Mouse pointer integration.
Added support for loading the pointer icon from a resource.
Moved the system server related bits of the input manager out
of libui and into libinput since they do not need to be linked into
applications.
Change-Id: Iec11e0725b3add2b905c51f8ea2c3b4b0d1a2d67
diff --git a/services/input/Android.mk b/services/input/Android.mk
new file mode 100644
index 0000000..37804ff
--- /dev/null
+++ b/services/input/Android.mk
@@ -0,0 +1,56 @@
+# Copyright (C) 2010 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+ EventHub.cpp \
+ InputDispatcher.cpp \
+ InputManager.cpp \
+ InputReader.cpp \
+ PointerController.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+ libcutils \
+ libutils \
+ libhardware \
+ libhardware_legacy \
+ libsurfaceflinger_client \
+ libskia \
+ libui
+
+LOCAL_C_INCLUDES := \
+ external/skia/include/core
+
+LOCAL_MODULE:= libinput
+
+LOCAL_MODULE_TAGS := optional
+
+ifeq ($(TARGET_SIMULATOR),true)
+ LOCAL_LDLIBS += -lpthread
+endif
+
+include $(BUILD_SHARED_LIBRARY)
+
+
+# Include subdirectory makefiles
+# ============================================================
+
+# If we're building with ONE_SHOT_MAKEFILE (mm, mmm), then what the framework
+# team really wants is to build the stuff defined by this makefile.
+ifeq (,$(ONE_SHOT_MAKEFILE))
+include $(call first-makefiles-under,$(LOCAL_PATH))
+endif
diff --git a/services/input/EventHub.cpp b/services/input/EventHub.cpp
new file mode 100644
index 0000000..487e73f
--- /dev/null
+++ b/services/input/EventHub.cpp
@@ -0,0 +1,1095 @@
+/*
+ * Copyright (C) 2005 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Handle events, like key input and vsync.
+//
+// The goal is to provide an optimized solution for Linux, not an
+// implementation that works well across all platforms. We expect
+// events to arrive on file descriptors, so that we can use a select()
+// select() call to sleep.
+//
+// We can't select() on anything but network sockets in Windows, so we
+// provide an alternative implementation of waitEvent for that platform.
+//
+#define LOG_TAG "EventHub"
+
+//#define LOG_NDEBUG 0
+
+#include "EventHub.h"
+
+#include <hardware_legacy/power.h>
+
+#include <cutils/properties.h>
+#include <utils/Log.h>
+#include <utils/Timers.h>
+#include <utils/threads.h>
+#include <utils/Errors.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <memory.h>
+#include <errno.h>
+#include <assert.h>
+
+#include <ui/KeyLayoutMap.h>
+#include <ui/KeyCharacterMap.h>
+#include <ui/VirtualKeyMap.h>
+
+#include <string.h>
+#include <stdint.h>
+#include <dirent.h>
+#ifdef HAVE_INOTIFY
+# include <sys/inotify.h>
+#endif
+#ifdef HAVE_ANDROID_OS
+# include <sys/limits.h> /* not part of Linux */
+#endif
+#include <sys/poll.h>
+#include <sys/ioctl.h>
+
+/* this macro is used to tell if "bit" is set in "array"
+ * it selects a byte from the array, and does a boolean AND
+ * operation with a byte that only has the relevant bit set.
+ * eg. to check for the 12th bit, we do (array[1] & 1<<4)
+ */
+#define test_bit(bit, array) (array[bit/8] & (1<<(bit%8)))
+
+/* this macro computes the number of bytes needed to represent a bit array of the specified size */
+#define sizeof_bit_array(bits) ((bits + 7) / 8)
+
+// Fd at index 0 is always reserved for inotify
+#define FIRST_ACTUAL_DEVICE_INDEX 1
+
+#define INDENT " "
+#define INDENT2 " "
+#define INDENT3 " "
+
+namespace android {
+
+static const char *WAKE_LOCK_ID = "KeyEvents";
+static const char *DEVICE_PATH = "/dev/input";
+
+/* return the larger integer */
+static inline int max(int v1, int v2)
+{
+ return (v1 > v2) ? v1 : v2;
+}
+
+static inline const char* toString(bool value) {
+ return value ? "true" : "false";
+}
+
+// --- EventHub::Device ---
+
+EventHub::Device::Device(int fd, int32_t id, const String8& path,
+ const InputDeviceIdentifier& identifier) :
+ next(NULL),
+ fd(fd), id(id), path(path), identifier(identifier),
+ classes(0), keyBitmask(NULL), configuration(NULL), virtualKeyMap(NULL) {
+}
+
+EventHub::Device::~Device() {
+ close();
+ delete[] keyBitmask;
+ delete configuration;
+ delete virtualKeyMap;
+}
+
+void EventHub::Device::close() {
+ if (fd >= 0) {
+ ::close(fd);
+ fd = -1;
+ }
+}
+
+
+// --- EventHub ---
+
+EventHub::EventHub(void) :
+ mError(NO_INIT), mBuiltInKeyboardId(-1), mNextDeviceId(1),
+ mOpeningDevices(0), mClosingDevices(0),
+ mOpened(false), mNeedToSendFinishedDeviceScan(false),
+ mInputBufferIndex(0), mInputBufferCount(0), mInputFdIndex(0) {
+ acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID);
+#ifdef EV_SW
+ memset(mSwitches, 0, sizeof(mSwitches));
+#endif
+}
+
+EventHub::~EventHub(void) {
+ release_wake_lock(WAKE_LOCK_ID);
+ // we should free stuff here...
+}
+
+status_t EventHub::errorCheck() const {
+ return mError;
+}
+
+String8 EventHub::getDeviceName(int32_t deviceId) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device == NULL) return String8();
+ return device->identifier.name;
+}
+
+uint32_t EventHub::getDeviceClasses(int32_t deviceId) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device == NULL) return 0;
+ return device->classes;
+}
+
+void EventHub::getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device && device->configuration) {
+ *outConfiguration = *device->configuration;
+ } else {
+ outConfiguration->clear();
+ }
+}
+
+status_t EventHub::getAbsoluteAxisInfo(int32_t deviceId, int axis,
+ RawAbsoluteAxisInfo* outAxisInfo) const {
+ outAxisInfo->clear();
+
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device == NULL) return -1;
+
+ struct input_absinfo info;
+
+ if(ioctl(device->fd, EVIOCGABS(axis), &info)) {
+ LOGW("Error reading absolute controller %d for device %s fd %d\n",
+ axis, device->identifier.name.string(), device->fd);
+ return -errno;
+ }
+
+ if (info.minimum != info.maximum) {
+ outAxisInfo->valid = true;
+ outAxisInfo->minValue = info.minimum;
+ outAxisInfo->maxValue = info.maximum;
+ outAxisInfo->flat = info.flat;
+ outAxisInfo->fuzz = info.fuzz;
+ }
+ return OK;
+}
+
+int32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const {
+ if (scanCode >= 0 && scanCode <= KEY_MAX) {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device != NULL) {
+ return getScanCodeStateLocked(device, scanCode);
+ }
+ }
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getScanCodeStateLocked(Device* device, int32_t scanCode) const {
+ uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
+ memset(key_bitmask, 0, sizeof(key_bitmask));
+ if (ioctl(device->fd,
+ EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
+ return test_bit(scanCode, key_bitmask) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
+ }
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device != NULL) {
+ return getKeyCodeStateLocked(device, keyCode);
+ }
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getKeyCodeStateLocked(Device* device, int32_t keyCode) const {
+ if (!device->keyMap.haveKeyLayout()) {
+ return AKEY_STATE_UNKNOWN;
+ }
+
+ Vector<int32_t> scanCodes;
+ device->keyMap.keyLayoutMap->findScanCodes(keyCode, &scanCodes);
+
+ uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
+ memset(key_bitmask, 0, sizeof(key_bitmask));
+ if (ioctl(device->fd, EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
+ #if 0
+ for (size_t i=0; i<=KEY_MAX; i++) {
+ LOGI("(Scan code %d: down=%d)", i, test_bit(i, key_bitmask));
+ }
+ #endif
+ const size_t N = scanCodes.size();
+ for (size_t i=0; i<N && i<=KEY_MAX; i++) {
+ int32_t sc = scanCodes.itemAt(i);
+ //LOGI("Code %d: down=%d", sc, test_bit(sc, key_bitmask));
+ if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, key_bitmask)) {
+ return AKEY_STATE_DOWN;
+ }
+ }
+ return AKEY_STATE_UP;
+ }
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const {
+#ifdef EV_SW
+ if (sw >= 0 && sw <= SW_MAX) {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device != NULL) {
+ return getSwitchStateLocked(device, sw);
+ }
+ }
+#endif
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getSwitchStateLocked(Device* device, int32_t sw) const {
+ uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
+ memset(sw_bitmask, 0, sizeof(sw_bitmask));
+ if (ioctl(device->fd,
+ EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) {
+ return test_bit(sw, sw_bitmask) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
+ }
+ return AKEY_STATE_UNKNOWN;
+}
+
+bool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) const {
+ AutoMutex _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ if (device != NULL) {
+ return markSupportedKeyCodesLocked(device, numCodes, keyCodes, outFlags);
+ }
+ return false;
+}
+
+bool EventHub::markSupportedKeyCodesLocked(Device* device, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) const {
+ if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) {
+ return false;
+ }
+
+ Vector<int32_t> scanCodes;
+ for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) {
+ scanCodes.clear();
+
+ status_t err = device->keyMap.keyLayoutMap->findScanCodes(keyCodes[codeIndex], &scanCodes);
+ if (! err) {
+ // check the possible scan codes identified by the layout map against the
+ // map of codes actually emitted by the driver
+ for (size_t sc = 0; sc < scanCodes.size(); sc++) {
+ if (test_bit(scanCodes[sc], device->keyBitmask)) {
+ outFlags[codeIndex] = 1;
+ break;
+ }
+ }
+ }
+ }
+ return true;
+}
+
+status_t EventHub::scancodeToKeycode(int32_t deviceId, int scancode,
+ int32_t* outKeycode, uint32_t* outFlags) const
+{
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+
+ if (device && device->keyMap.haveKeyLayout()) {
+ status_t err = device->keyMap.keyLayoutMap->map(scancode, outKeycode, outFlags);
+ if (err == NO_ERROR) {
+ return NO_ERROR;
+ }
+ }
+
+ if (mBuiltInKeyboardId != -1) {
+ device = getDeviceLocked(mBuiltInKeyboardId);
+
+ if (device && device->keyMap.haveKeyLayout()) {
+ status_t err = device->keyMap.keyLayoutMap->map(scancode, outKeycode, outFlags);
+ if (err == NO_ERROR) {
+ return NO_ERROR;
+ }
+ }
+ }
+
+ *outKeycode = 0;
+ *outFlags = 0;
+ return NAME_NOT_FOUND;
+}
+
+void EventHub::addExcludedDevice(const char* deviceName)
+{
+ AutoMutex _l(mLock);
+
+ String8 name(deviceName);
+ mExcludedDevices.push_back(name);
+}
+
+bool EventHub::hasLed(int32_t deviceId, int32_t led) const {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device) {
+ uint8_t bitmask[sizeof_bit_array(LED_MAX + 1)];
+ memset(bitmask, 0, sizeof(bitmask));
+ if (ioctl(device->fd, EVIOCGBIT(EV_LED, sizeof(bitmask)), bitmask) >= 0) {
+ if (test_bit(led, bitmask)) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+void EventHub::setLedState(int32_t deviceId, int32_t led, bool on) {
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device) {
+ struct input_event ev;
+ ev.time.tv_sec = 0;
+ ev.time.tv_usec = 0;
+ ev.type = EV_LED;
+ ev.code = led;
+ ev.value = on ? 1 : 0;
+
+ ssize_t nWrite;
+ do {
+ nWrite = write(device->fd, &ev, sizeof(struct input_event));
+ } while (nWrite == -1 && errno == EINTR);
+ }
+}
+
+void EventHub::getVirtualKeyDefinitions(int32_t deviceId,
+ Vector<VirtualKeyDefinition>& outVirtualKeys) const {
+ outVirtualKeys.clear();
+
+ AutoMutex _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+ if (device && device->virtualKeyMap) {
+ outVirtualKeys.appendVector(device->virtualKeyMap->getVirtualKeys());
+ }
+}
+
+EventHub::Device* EventHub::getDeviceLocked(int32_t deviceId) const {
+ if (deviceId == 0) {
+ deviceId = mBuiltInKeyboardId;
+ }
+
+ size_t numDevices = mDevices.size();
+ for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < numDevices; i++) {
+ Device* device = mDevices[i];
+ if (device->id == deviceId) {
+ return device;
+ }
+ }
+ return NULL;
+}
+
+bool EventHub::getEvent(RawEvent* outEvent) {
+ outEvent->deviceId = 0;
+ outEvent->type = 0;
+ outEvent->scanCode = 0;
+ outEvent->keyCode = 0;
+ outEvent->flags = 0;
+ outEvent->value = 0;
+ outEvent->when = 0;
+
+ // Note that we only allow one caller to getEvent(), so don't need
+ // to do locking here... only when adding/removing devices.
+
+ if (!mOpened) {
+ mError = openPlatformInput() ? NO_ERROR : UNKNOWN_ERROR;
+ mOpened = true;
+ mNeedToSendFinishedDeviceScan = true;
+ }
+
+ for (;;) {
+ // Report any devices that had last been added/removed.
+ if (mClosingDevices != NULL) {
+ Device* device = mClosingDevices;
+ LOGV("Reporting device closed: id=%d, name=%s\n",
+ device->id, device->path.string());
+ mClosingDevices = device->next;
+ if (device->id == mBuiltInKeyboardId) {
+ outEvent->deviceId = 0;
+ } else {
+ outEvent->deviceId = device->id;
+ }
+ outEvent->type = DEVICE_REMOVED;
+ outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC);
+ delete device;
+ mNeedToSendFinishedDeviceScan = true;
+ return true;
+ }
+
+ if (mOpeningDevices != NULL) {
+ Device* device = mOpeningDevices;
+ LOGV("Reporting device opened: id=%d, name=%s\n",
+ device->id, device->path.string());
+ mOpeningDevices = device->next;
+ if (device->id == mBuiltInKeyboardId) {
+ outEvent->deviceId = 0;
+ } else {
+ outEvent->deviceId = device->id;
+ }
+ outEvent->type = DEVICE_ADDED;
+ outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC);
+ mNeedToSendFinishedDeviceScan = true;
+ return true;
+ }
+
+ if (mNeedToSendFinishedDeviceScan) {
+ mNeedToSendFinishedDeviceScan = false;
+ outEvent->type = FINISHED_DEVICE_SCAN;
+ outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC);
+ return true;
+ }
+
+ // Grab the next input event.
+ for (;;) {
+ // Consume buffered input events, if any.
+ if (mInputBufferIndex < mInputBufferCount) {
+ const struct input_event& iev = mInputBufferData[mInputBufferIndex++];
+ const Device* device = mDevices[mInputFdIndex];
+
+ LOGV("%s got: t0=%d, t1=%d, type=%d, code=%d, v=%d", device->path.string(),
+ (int) iev.time.tv_sec, (int) iev.time.tv_usec, iev.type, iev.code, iev.value);
+ if (device->id == mBuiltInKeyboardId) {
+ outEvent->deviceId = 0;
+ } else {
+ outEvent->deviceId = device->id;
+ }
+ outEvent->type = iev.type;
+ outEvent->scanCode = iev.code;
+ outEvent->flags = 0;
+ if (iev.type == EV_KEY) {
+ outEvent->keyCode = AKEYCODE_UNKNOWN;
+ if (device->keyMap.haveKeyLayout()) {
+ status_t err = device->keyMap.keyLayoutMap->map(iev.code,
+ &outEvent->keyCode, &outEvent->flags);
+ LOGV("iev.code=%d keyCode=%d flags=0x%08x err=%d\n",
+ iev.code, outEvent->keyCode, outEvent->flags, err);
+ }
+ } else {
+ outEvent->keyCode = iev.code;
+ }
+ outEvent->value = iev.value;
+
+ // Use an event timestamp in the same timebase as
+ // java.lang.System.nanoTime() and android.os.SystemClock.uptimeMillis()
+ // as expected by the rest of the system.
+ outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC);
+ return true;
+ }
+
+ // Finish reading all events from devices identified in previous poll().
+ // This code assumes that mInputDeviceIndex is initially 0 and that the
+ // revents member of pollfd is initialized to 0 when the device is first added.
+ // Since mFds[0] is used for inotify, we process regular events starting at index 1.
+ mInputFdIndex += 1;
+ if (mInputFdIndex >= mFds.size()) {
+ break;
+ }
+
+ const struct pollfd& pfd = mFds[mInputFdIndex];
+ if (pfd.revents & POLLIN) {
+ int32_t readSize = read(pfd.fd, mInputBufferData,
+ sizeof(struct input_event) * INPUT_BUFFER_SIZE);
+ if (readSize < 0) {
+ if (errno != EAGAIN && errno != EINTR) {
+ LOGW("could not get event (errno=%d)", errno);
+ }
+ } else if ((readSize % sizeof(struct input_event)) != 0) {
+ LOGE("could not get event (wrong size: %d)", readSize);
+ } else {
+ mInputBufferCount = size_t(readSize) / sizeof(struct input_event);
+ mInputBufferIndex = 0;
+ }
+ }
+ }
+
+#if HAVE_INOTIFY
+ // readNotify() will modify mFDs and mFDCount, so this must be done after
+ // processing all other events.
+ if(mFds[0].revents & POLLIN) {
+ readNotify(mFds[0].fd);
+ mFds.editItemAt(0).revents = 0;
+ continue; // report added or removed devices immediately
+ }
+#endif
+
+ mInputFdIndex = 0;
+
+ // Poll for events. Mind the wake lock dance!
+ // We hold a wake lock at all times except during poll(). This works due to some
+ // subtle choreography. When a device driver has pending (unread) events, it acquires
+ // a kernel wake lock. However, once the last pending event has been read, the device
+ // driver will release the kernel wake lock. To prevent the system from going to sleep
+ // when this happens, the EventHub holds onto its own user wake lock while the client
+ // is processing events. Thus the system can only sleep if there are no events
+ // pending or currently being processed.
+ release_wake_lock(WAKE_LOCK_ID);
+
+ int pollResult = poll(mFds.editArray(), mFds.size(), -1);
+
+ acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID);
+
+ if (pollResult <= 0) {
+ if (errno != EINTR) {
+ LOGW("poll failed (errno=%d)\n", errno);
+ usleep(100000);
+ }
+ }
+ }
+}
+
+/*
+ * Open the platform-specific input device.
+ */
+bool EventHub::openPlatformInput(void) {
+ /*
+ * Open platform-specific input device(s).
+ */
+ int res, fd;
+
+#ifdef HAVE_INOTIFY
+ fd = inotify_init();
+ res = inotify_add_watch(fd, DEVICE_PATH, IN_DELETE | IN_CREATE);
+ if(res < 0) {
+ LOGE("could not add watch for %s, %s\n", DEVICE_PATH, strerror(errno));
+ }
+#else
+ /*
+ * The code in EventHub::getEvent assumes that mFDs[0] is an inotify fd.
+ * We allocate space for it and set it to something invalid.
+ */
+ fd = -1;
+#endif
+
+ // Reserve fd index 0 for inotify.
+ struct pollfd pollfd;
+ pollfd.fd = fd;
+ pollfd.events = POLLIN;
+ pollfd.revents = 0;
+ mFds.push(pollfd);
+ mDevices.push(NULL);
+
+ res = scanDir(DEVICE_PATH);
+ if(res < 0) {
+ LOGE("scan dir failed for %s\n", DEVICE_PATH);
+ }
+
+ return true;
+}
+
+// ----------------------------------------------------------------------------
+
+static bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) {
+ const uint8_t* end = array + endIndex;
+ array += startIndex;
+ while (array != end) {
+ if (*(array++) != 0) {
+ return true;
+ }
+ }
+ return false;
+}
+
+static const int32_t GAMEPAD_KEYCODES[] = {
+ AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C,
+ AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z,
+ AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1,
+ AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2,
+ AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR,
+ AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE
+};
+
+int EventHub::openDevice(const char *devicePath) {
+ char buffer[80];
+
+ LOGV("Opening device: %s", devicePath);
+
+ AutoMutex _l(mLock);
+
+ int fd = open(devicePath, O_RDWR);
+ if(fd < 0) {
+ LOGE("could not open %s, %s\n", devicePath, strerror(errno));
+ return -1;
+ }
+
+ InputDeviceIdentifier identifier;
+
+ // Get device name.
+ if(ioctl(fd, EVIOCGNAME(sizeof(buffer) - 1), &buffer) < 1) {
+ //fprintf(stderr, "could not get device name for %s, %s\n", devicePath, strerror(errno));
+ } else {
+ buffer[sizeof(buffer) - 1] = '\0';
+ identifier.name.setTo(buffer);
+ }
+
+ // Check to see if the device is on our excluded list
+ List<String8>::iterator iter = mExcludedDevices.begin();
+ List<String8>::iterator end = mExcludedDevices.end();
+ for ( ; iter != end; iter++) {
+ const char* test = *iter;
+ if (identifier.name == test) {
+ LOGI("ignoring event id %s driver %s\n", devicePath, test);
+ close(fd);
+ return -1;
+ }
+ }
+
+ // Get device driver version.
+ int driverVersion;
+ if(ioctl(fd, EVIOCGVERSION, &driverVersion)) {
+ LOGE("could not get driver version for %s, %s\n", devicePath, strerror(errno));
+ close(fd);
+ return -1;
+ }
+
+ // Get device identifier.
+ struct input_id inputId;
+ if(ioctl(fd, EVIOCGID, &inputId)) {
+ LOGE("could not get device input id for %s, %s\n", devicePath, strerror(errno));
+ close(fd);
+ return -1;
+ }
+ identifier.bus = inputId.bustype;
+ identifier.product = inputId.product;
+ identifier.vendor = inputId.vendor;
+ identifier.version = inputId.version;
+
+ // Get device physical location.
+ if(ioctl(fd, EVIOCGPHYS(sizeof(buffer) - 1), &buffer) < 1) {
+ //fprintf(stderr, "could not get location for %s, %s\n", devicePath, strerror(errno));
+ } else {
+ buffer[sizeof(buffer) - 1] = '\0';
+ identifier.location.setTo(buffer);
+ }
+
+ // Get device unique id.
+ if(ioctl(fd, EVIOCGUNIQ(sizeof(buffer) - 1), &buffer) < 1) {
+ //fprintf(stderr, "could not get idstring for %s, %s\n", devicePath, strerror(errno));
+ } else {
+ buffer[sizeof(buffer) - 1] = '\0';
+ identifier.uniqueId.setTo(buffer);
+ }
+
+ // Make file descriptor non-blocking for use with poll().
+ if (fcntl(fd, F_SETFL, O_NONBLOCK)) {
+ LOGE("Error %d making device file descriptor non-blocking.", errno);
+ close(fd);
+ return -1;
+ }
+
+ // Allocate device. (The device object takes ownership of the fd at this point.)
+ int32_t deviceId = mNextDeviceId++;
+ Device* device = new Device(fd, deviceId, String8(devicePath), identifier);
+
+#if 0
+ LOGI("add device %d: %s\n", deviceId, devicePath);
+ LOGI(" bus: %04x\n"
+ " vendor %04x\n"
+ " product %04x\n"
+ " version %04x\n",
+ identifier.bus, identifier.vendor, identifier.product, identifier.version);
+ LOGI(" name: \"%s\"\n", identifier.name.string());
+ LOGI(" location: \"%s\"\n", identifier.location.string());
+ LOGI(" unique id: \"%s\"\n", identifier.uniqueId.string());
+ LOGI(" driver: v%d.%d.%d\n",
+ driverVersion >> 16, (driverVersion >> 8) & 0xff, driverVersion & 0xff);
+#endif
+
+ // Load the configuration file for the device.
+ loadConfiguration(device);
+
+ // Figure out the kinds of events the device reports.
+
+ uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
+ memset(key_bitmask, 0, sizeof(key_bitmask));
+
+ LOGV("Getting keys...");
+ if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask) >= 0) {
+ //LOGI("MAP\n");
+ //for (int i = 0; i < sizeof(key_bitmask); i++) {
+ // LOGI("%d: 0x%02x\n", i, key_bitmask[i]);
+ //}
+
+ // See if this is a keyboard. Ignore everything in the button range except for
+ // gamepads which are also considered keyboards.
+ if (containsNonZeroByte(key_bitmask, 0, sizeof_bit_array(BTN_MISC))
+ || containsNonZeroByte(key_bitmask, sizeof_bit_array(BTN_GAMEPAD),
+ sizeof_bit_array(BTN_DIGI))
+ || containsNonZeroByte(key_bitmask, sizeof_bit_array(KEY_OK),
+ sizeof_bit_array(KEY_MAX + 1))) {
+ device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
+
+ device->keyBitmask = new uint8_t[sizeof(key_bitmask)];
+ if (device->keyBitmask != NULL) {
+ memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask));
+ } else {
+ delete device;
+ LOGE("out of memory allocating key bitmask");
+ return -1;
+ }
+ }
+ }
+
+ // See if this is a cursor device such as a trackball or mouse.
+ if (test_bit(BTN_MOUSE, key_bitmask)) {
+ uint8_t rel_bitmask[sizeof_bit_array(REL_MAX + 1)];
+ memset(rel_bitmask, 0, sizeof(rel_bitmask));
+ LOGV("Getting relative controllers...");
+ if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) >= 0) {
+ if (test_bit(REL_X, rel_bitmask) && test_bit(REL_Y, rel_bitmask)) {
+ device->classes |= INPUT_DEVICE_CLASS_CURSOR;
+ }
+ }
+ }
+
+ // See if this is a touch pad.
+ uint8_t abs_bitmask[sizeof_bit_array(ABS_MAX + 1)];
+ memset(abs_bitmask, 0, sizeof(abs_bitmask));
+ LOGV("Getting absolute controllers...");
+ if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask) >= 0) {
+ // Is this a new modern multi-touch driver?
+ if (test_bit(ABS_MT_POSITION_X, abs_bitmask)
+ && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) {
+ device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT;
+
+ // Is this an old style single-touch driver?
+ } else if (test_bit(BTN_TOUCH, key_bitmask)
+ && test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) {
+ device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN;
+ }
+ }
+
+#ifdef EV_SW
+ // figure out the switches this device reports
+ uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
+ memset(sw_bitmask, 0, sizeof(sw_bitmask));
+ bool hasSwitches = false;
+ if (ioctl(fd, EVIOCGBIT(EV_SW, sizeof(sw_bitmask)), sw_bitmask) >= 0) {
+ for (int i=0; i<EV_SW; i++) {
+ //LOGI("Device %d sw %d: has=%d", device->id, i, test_bit(i, sw_bitmask));
+ if (test_bit(i, sw_bitmask)) {
+ hasSwitches = true;
+ if (mSwitches[i] == 0) {
+ mSwitches[i] = device->id;
+ }
+ }
+ }
+ }
+ if (hasSwitches) {
+ device->classes |= INPUT_DEVICE_CLASS_SWITCH;
+ }
+#endif
+
+ if ((device->classes & INPUT_DEVICE_CLASS_TOUCHSCREEN)) {
+ // Load the virtual keys for the touch screen, if any.
+ // We do this now so that we can make sure to load the keymap if necessary.
+ status_t status = loadVirtualKeyMap(device);
+ if (!status) {
+ device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
+ }
+ }
+
+ if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) {
+ // Load the keymap for the device.
+ status_t status = loadKeyMap(device);
+
+ // Set system properties for the keyboard.
+ setKeyboardProperties(device, false);
+
+ // Register the keyboard as a built-in keyboard if it is eligible.
+ if (!status
+ && mBuiltInKeyboardId == -1
+ && isEligibleBuiltInKeyboard(device->identifier,
+ device->configuration, &device->keyMap)) {
+ mBuiltInKeyboardId = device->id;
+ setKeyboardProperties(device, true);
+ }
+
+ // 'Q' key support = cheap test of whether this is an alpha-capable kbd
+ if (hasKeycodeLocked(device, AKEYCODE_Q)) {
+ device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY;
+ }
+
+ // See if this device has a DPAD.
+ if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) &&
+ hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) &&
+ hasKeycodeLocked(device, AKEYCODE_DPAD_LEFT) &&
+ hasKeycodeLocked(device, AKEYCODE_DPAD_RIGHT) &&
+ hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) {
+ device->classes |= INPUT_DEVICE_CLASS_DPAD;
+ }
+
+ // See if this device has a gamepad.
+ for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) {
+ if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) {
+ device->classes |= INPUT_DEVICE_CLASS_GAMEPAD;
+ break;
+ }
+ }
+ }
+
+ // If the device isn't recognized as something we handle, don't monitor it.
+ if (device->classes == 0) {
+ LOGV("Dropping device: id=%d, path='%s', name='%s'",
+ deviceId, devicePath, device->identifier.name.string());
+ delete device;
+ return -1;
+ }
+
+ LOGI("New device: id=%d, fd=%d, path='%s', name='%s', classes=0x%x, "
+ "configuration='%s', keyLayout='%s', keyCharacterMap='%s', builtinKeyboard=%s",
+ deviceId, fd, devicePath, device->identifier.name.string(),
+ device->classes,
+ device->configurationFile.string(),
+ device->keyMap.keyLayoutFile.string(),
+ device->keyMap.keyCharacterMapFile.string(),
+ toString(mBuiltInKeyboardId == deviceId));
+
+ struct pollfd pollfd;
+ pollfd.fd = fd;
+ pollfd.events = POLLIN;
+ pollfd.revents = 0;
+ mFds.push(pollfd);
+ mDevices.push(device);
+
+ device->next = mOpeningDevices;
+ mOpeningDevices = device;
+ return 0;
+}
+
+void EventHub::loadConfiguration(Device* device) {
+ device->configurationFile = getInputDeviceConfigurationFilePathByDeviceIdentifier(
+ device->identifier, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION);
+ if (device->configurationFile.isEmpty()) {
+ LOGD("No input device configuration file found for device '%s'.",
+ device->identifier.name.string());
+ } else {
+ status_t status = PropertyMap::load(device->configurationFile,
+ &device->configuration);
+ if (status) {
+ LOGE("Error loading input device configuration file for device '%s'. "
+ "Using default configuration.",
+ device->identifier.name.string());
+ }
+ }
+}
+
+status_t EventHub::loadVirtualKeyMap(Device* device) {
+ // The virtual key map is supplied by the kernel as a system board property file.
+ String8 path;
+ path.append("/sys/board_properties/virtualkeys.");
+ path.append(device->identifier.name);
+ if (access(path.string(), R_OK)) {
+ return NAME_NOT_FOUND;
+ }
+ return VirtualKeyMap::load(path, &device->virtualKeyMap);
+}
+
+status_t EventHub::loadKeyMap(Device* device) {
+ return device->keyMap.load(device->identifier, device->configuration);
+}
+
+void EventHub::setKeyboardProperties(Device* device, bool builtInKeyboard) {
+ int32_t id = builtInKeyboard ? 0 : device->id;
+ android::setKeyboardProperties(id, device->identifier,
+ device->keyMap.keyLayoutFile, device->keyMap.keyCharacterMapFile);
+}
+
+void EventHub::clearKeyboardProperties(Device* device, bool builtInKeyboard) {
+ int32_t id = builtInKeyboard ? 0 : device->id;
+ android::clearKeyboardProperties(id);
+}
+
+bool EventHub::hasKeycodeLocked(Device* device, int keycode) const {
+ if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) {
+ return false;
+ }
+
+ Vector<int32_t> scanCodes;
+ device->keyMap.keyLayoutMap->findScanCodes(keycode, &scanCodes);
+ const size_t N = scanCodes.size();
+ for (size_t i=0; i<N && i<=KEY_MAX; i++) {
+ int32_t sc = scanCodes.itemAt(i);
+ if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, device->keyBitmask)) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+int EventHub::closeDevice(const char *devicePath) {
+ AutoMutex _l(mLock);
+
+ for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < mDevices.size(); i++) {
+ Device* device = mDevices[i];
+ if (device->path == devicePath) {
+ LOGI("Removed device: path=%s name=%s id=%d fd=%d classes=0x%x\n",
+ device->path.string(), device->identifier.name.string(), device->id,
+ device->fd, device->classes);
+
+#ifdef EV_SW
+ for (int j=0; j<EV_SW; j++) {
+ if (mSwitches[j] == device->id) {
+ mSwitches[j] = 0;
+ }
+ }
+#endif
+
+ if (device->id == mBuiltInKeyboardId) {
+ LOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this",
+ device->path.string(), mBuiltInKeyboardId);
+ mBuiltInKeyboardId = -1;
+ clearKeyboardProperties(device, true);
+ }
+ clearKeyboardProperties(device, false);
+
+ mFds.removeAt(i);
+ mDevices.removeAt(i);
+ device->close();
+
+ device->next = mClosingDevices;
+ mClosingDevices = device;
+ return 0;
+ }
+ }
+ LOGE("remove device: %s not found\n", devicePath);
+ return -1;
+}
+
+int EventHub::readNotify(int nfd) {
+#ifdef HAVE_INOTIFY
+ int res;
+ char devname[PATH_MAX];
+ char *filename;
+ char event_buf[512];
+ int event_size;
+ int event_pos = 0;
+ struct inotify_event *event;
+
+ LOGV("EventHub::readNotify nfd: %d\n", nfd);
+ res = read(nfd, event_buf, sizeof(event_buf));
+ if(res < (int)sizeof(*event)) {
+ if(errno == EINTR)
+ return 0;
+ LOGW("could not get event, %s\n", strerror(errno));
+ return 1;
+ }
+ //printf("got %d bytes of event information\n", res);
+
+ strcpy(devname, DEVICE_PATH);
+ filename = devname + strlen(devname);
+ *filename++ = '/';
+
+ while(res >= (int)sizeof(*event)) {
+ event = (struct inotify_event *)(event_buf + event_pos);
+ //printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : "");
+ if(event->len) {
+ strcpy(filename, event->name);
+ if(event->mask & IN_CREATE) {
+ openDevice(devname);
+ }
+ else {
+ closeDevice(devname);
+ }
+ }
+ event_size = sizeof(*event) + event->len;
+ res -= event_size;
+ event_pos += event_size;
+ }
+#endif
+ return 0;
+}
+
+int EventHub::scanDir(const char *dirname)
+{
+ char devname[PATH_MAX];
+ char *filename;
+ DIR *dir;
+ struct dirent *de;
+ dir = opendir(dirname);
+ if(dir == NULL)
+ return -1;
+ strcpy(devname, dirname);
+ filename = devname + strlen(devname);
+ *filename++ = '/';
+ while((de = readdir(dir))) {
+ if(de->d_name[0] == '.' &&
+ (de->d_name[1] == '\0' ||
+ (de->d_name[1] == '.' && de->d_name[2] == '\0')))
+ continue;
+ strcpy(filename, de->d_name);
+ openDevice(devname);
+ }
+ closedir(dir);
+ return 0;
+}
+
+void EventHub::dump(String8& dump) {
+ dump.append("Event Hub State:\n");
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ dump.appendFormat(INDENT "BuiltInKeyboardId: %d\n", mBuiltInKeyboardId);
+
+ dump.append(INDENT "Devices:\n");
+
+ for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < mDevices.size(); i++) {
+ const Device* device = mDevices[i];
+ if (device) {
+ if (mBuiltInKeyboardId == device->id) {
+ dump.appendFormat(INDENT2 "%d: %s (aka device 0 - built-in keyboard)\n",
+ device->id, device->identifier.name.string());
+ } else {
+ dump.appendFormat(INDENT2 "%d: %s\n", device->id,
+ device->identifier.name.string());
+ }
+ dump.appendFormat(INDENT3 "Classes: 0x%08x\n", device->classes);
+ dump.appendFormat(INDENT3 "Path: %s\n", device->path.string());
+ dump.appendFormat(INDENT3 "Location: %s\n", device->identifier.location.string());
+ dump.appendFormat(INDENT3 "UniqueId: %s\n", device->identifier.uniqueId.string());
+ dump.appendFormat(INDENT3 "Identifier: bus=0x%04x, vendor=0x%04x, "
+ "product=0x%04x, version=0x%04x\n",
+ device->identifier.bus, device->identifier.vendor,
+ device->identifier.product, device->identifier.version);
+ dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n",
+ device->keyMap.keyLayoutFile.string());
+ dump.appendFormat(INDENT3 "KeyCharacterMapFile: %s\n",
+ device->keyMap.keyCharacterMapFile.string());
+ dump.appendFormat(INDENT3 "ConfigurationFile: %s\n",
+ device->configurationFile.string());
+ }
+ }
+ } // release lock
+}
+
+}; // namespace android
diff --git a/services/input/EventHub.h b/services/input/EventHub.h
new file mode 100644
index 0000000..74b7ec5
--- /dev/null
+++ b/services/input/EventHub.h
@@ -0,0 +1,327 @@
+/*
+ * Copyright (C) 2005 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+#ifndef _RUNTIME_EVENT_HUB_H
+#define _RUNTIME_EVENT_HUB_H
+
+#include <ui/Input.h>
+#include <ui/Keyboard.h>
+#include <ui/KeyLayoutMap.h>
+#include <ui/KeyCharacterMap.h>
+#include <ui/VirtualKeyMap.h>
+#include <utils/String8.h>
+#include <utils/threads.h>
+#include <utils/Log.h>
+#include <utils/threads.h>
+#include <utils/List.h>
+#include <utils/Errors.h>
+#include <utils/PropertyMap.h>
+#include <utils/Vector.h>
+
+#include <linux/input.h>
+
+/* These constants are not defined in linux/input.h but they are part of the multitouch
+ * input protocol. */
+
+#define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */
+#define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */
+#define ABS_MT_WIDTH_MAJOR 0x32 /* Major axis of approaching ellipse */
+#define ABS_MT_WIDTH_MINOR 0x33 /* Minor axis (omit if circular) */
+#define ABS_MT_ORIENTATION 0x34 /* Ellipse orientation */
+#define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */
+#define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */
+#define ABS_MT_TOOL_TYPE 0x37 /* Type of touching device (finger, pen, ...) */
+#define ABS_MT_BLOB_ID 0x38 /* Group a set of packets as a blob */
+#define ABS_MT_TRACKING_ID 0x39 /* Unique ID of initiated contact */
+#define ABS_MT_PRESSURE 0x3a /* Pressure on contact area */
+
+#define MT_TOOL_FINGER 0 /* Identifies a finger */
+#define MT_TOOL_PEN 1 /* Identifies a pen */
+
+#define SYN_MT_REPORT 2
+
+/* Convenience constants. */
+
+#define BTN_FIRST 0x100 // first button scancode
+#define BTN_LAST 0x15f // last button scancode
+
+struct pollfd;
+
+namespace android {
+
+/*
+ * A raw event as retrieved from the EventHub.
+ */
+struct RawEvent {
+ nsecs_t when;
+ int32_t deviceId;
+ int32_t type;
+ int32_t scanCode;
+ int32_t keyCode;
+ int32_t value;
+ uint32_t flags;
+};
+
+/* Describes an absolute axis. */
+struct RawAbsoluteAxisInfo {
+ bool valid; // true if the information is valid, false otherwise
+
+ int32_t minValue; // minimum value
+ int32_t maxValue; // maximum value
+ int32_t flat; // center flat position, eg. flat == 8 means center is between -8 and 8
+ int32_t fuzz; // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise
+
+ inline int32_t getRange() { return maxValue - minValue; }
+
+ inline void clear() {
+ valid = false;
+ minValue = 0;
+ maxValue = 0;
+ flat = 0;
+ fuzz = 0;
+ }
+};
+
+/*
+ * Input device classes.
+ */
+enum {
+ /* The input device is a keyboard. */
+ INPUT_DEVICE_CLASS_KEYBOARD = 0x00000001,
+
+ /* The input device is an alpha-numeric keyboard (not just a dial pad). */
+ INPUT_DEVICE_CLASS_ALPHAKEY = 0x00000002,
+
+ /* The input device is a touchscreen (either single-touch or multi-touch). */
+ INPUT_DEVICE_CLASS_TOUCHSCREEN = 0x00000004,
+
+ /* The input device is a cursor device such as a trackball or mouse. */
+ INPUT_DEVICE_CLASS_CURSOR = 0x00000008,
+
+ /* The input device is a multi-touch touchscreen. */
+ INPUT_DEVICE_CLASS_TOUCHSCREEN_MT= 0x00000010,
+
+ /* The input device is a directional pad (implies keyboard, has DPAD keys). */
+ INPUT_DEVICE_CLASS_DPAD = 0x00000020,
+
+ /* The input device is a gamepad (implies keyboard, has BUTTON keys). */
+ INPUT_DEVICE_CLASS_GAMEPAD = 0x00000040,
+
+ /* The input device has switches. */
+ INPUT_DEVICE_CLASS_SWITCH = 0x00000080,
+};
+
+/*
+ * Grand Central Station for events.
+ *
+ * The event hub aggregates input events received across all known input
+ * devices on the system, including devices that may be emulated by the simulator
+ * environment. In addition, the event hub generates fake input events to indicate
+ * when devices are added or removed.
+ *
+ * The event hub provides a stream of input events (via the getEvent function).
+ * It also supports querying the current actual state of input devices such as identifying
+ * which keys are currently down. Finally, the event hub keeps track of the capabilities of
+ * individual input devices, such as their class and the set of key codes that they support.
+ */
+class EventHubInterface : public virtual RefBase {
+protected:
+ EventHubInterface() { }
+ virtual ~EventHubInterface() { }
+
+public:
+ // Synthetic raw event type codes produced when devices are added or removed.
+ enum {
+ // Sent when a device is added.
+ DEVICE_ADDED = 0x10000000,
+ // Sent when a device is removed.
+ DEVICE_REMOVED = 0x20000000,
+ // Sent when all added/removed devices from the most recent scan have been reported.
+ // This event is always sent at least once.
+ FINISHED_DEVICE_SCAN = 0x30000000,
+ };
+
+ virtual uint32_t getDeviceClasses(int32_t deviceId) const = 0;
+
+ virtual String8 getDeviceName(int32_t deviceId) const = 0;
+
+ virtual void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const = 0;
+
+ virtual status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
+ RawAbsoluteAxisInfo* outAxisInfo) const = 0;
+
+ virtual status_t scancodeToKeycode(int32_t deviceId, int scancode,
+ int32_t* outKeycode, uint32_t* outFlags) const = 0;
+
+ // exclude a particular device from opening
+ // this can be used to ignore input devices for sensors
+ virtual void addExcludedDevice(const char* deviceName) = 0;
+
+ /*
+ * Wait for the next event to become available and return it.
+ * After returning, the EventHub holds onto a wake lock until the next call to getEvent.
+ * This ensures that the device will not go to sleep while the event is being processed.
+ * If the device needs to remain awake longer than that, then the caller is responsible
+ * for taking care of it (say, by poking the power manager user activity timer).
+ */
+ virtual bool getEvent(RawEvent* outEvent) = 0;
+
+ /*
+ * Query current input state.
+ */
+ virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const = 0;
+ virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const = 0;
+ virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const = 0;
+
+ /*
+ * Examine key input devices for specific framework keycode support
+ */
+ virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
+ uint8_t* outFlags) const = 0;
+
+ virtual bool hasLed(int32_t deviceId, int32_t led) const = 0;
+ virtual void setLedState(int32_t deviceId, int32_t led, bool on) = 0;
+
+ virtual void getVirtualKeyDefinitions(int32_t deviceId,
+ Vector<VirtualKeyDefinition>& outVirtualKeys) const = 0;
+
+ virtual void dump(String8& dump) = 0;
+};
+
+class EventHub : public EventHubInterface
+{
+public:
+ EventHub();
+
+ status_t errorCheck() const;
+
+ virtual uint32_t getDeviceClasses(int32_t deviceId) const;
+
+ virtual String8 getDeviceName(int32_t deviceId) const;
+
+ virtual void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const;
+
+ virtual status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
+ RawAbsoluteAxisInfo* outAxisInfo) const;
+
+ virtual status_t scancodeToKeycode(int32_t deviceId, int scancode,
+ int32_t* outKeycode, uint32_t* outFlags) const;
+
+ virtual void addExcludedDevice(const char* deviceName);
+
+ virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const;
+ virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const;
+ virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const;
+
+ virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) const;
+
+ virtual bool getEvent(RawEvent* outEvent);
+
+ virtual bool hasLed(int32_t deviceId, int32_t led) const;
+ virtual void setLedState(int32_t deviceId, int32_t led, bool on);
+
+ virtual void getVirtualKeyDefinitions(int32_t deviceId,
+ Vector<VirtualKeyDefinition>& outVirtualKeys) const;
+
+ virtual void dump(String8& dump);
+
+protected:
+ virtual ~EventHub();
+
+private:
+ bool openPlatformInput(void);
+
+ int openDevice(const char *devicePath);
+ int closeDevice(const char *devicePath);
+ int scanDir(const char *dirname);
+ int readNotify(int nfd);
+
+ status_t mError;
+
+ struct Device {
+ Device* next;
+
+ int fd;
+ const int32_t id;
+ const String8 path;
+ const InputDeviceIdentifier identifier;
+
+ uint32_t classes;
+ uint8_t* keyBitmask;
+ String8 configurationFile;
+ PropertyMap* configuration;
+ VirtualKeyMap* virtualKeyMap;
+ KeyMap keyMap;
+
+ Device(int fd, int32_t id, const String8& path, const InputDeviceIdentifier& identifier);
+ ~Device();
+
+ void close();
+ };
+
+ Device* getDeviceLocked(int32_t deviceId) const;
+ bool hasKeycodeLocked(Device* device, int keycode) const;
+
+ int32_t getScanCodeStateLocked(Device* device, int32_t scanCode) const;
+ int32_t getKeyCodeStateLocked(Device* device, int32_t keyCode) const;
+ int32_t getSwitchStateLocked(Device* device, int32_t sw) const;
+ bool markSupportedKeyCodesLocked(Device* device, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) const;
+
+ void loadConfiguration(Device* device);
+ status_t loadVirtualKeyMap(Device* device);
+ status_t loadKeyMap(Device* device);
+ void setKeyboardProperties(Device* device, bool builtInKeyboard);
+ void clearKeyboardProperties(Device* device, bool builtInKeyboard);
+
+ // Protect all internal state.
+ mutable Mutex mLock;
+
+ // The actual id of the built-in keyboard, or -1 if none.
+ // EventHub remaps the built-in keyboard to id 0 externally as required by the API.
+ int32_t mBuiltInKeyboardId;
+
+ int32_t mNextDeviceId;
+
+ // Parallel arrays of fds and devices.
+ // First index is reserved for inotify.
+ Vector<struct pollfd> mFds;
+ Vector<Device*> mDevices;
+
+ Device *mOpeningDevices;
+ Device *mClosingDevices;
+
+ bool mOpened;
+ bool mNeedToSendFinishedDeviceScan;
+ List<String8> mExcludedDevices;
+
+ // device ids that report particular switches.
+#ifdef EV_SW
+ int32_t mSwitches[SW_MAX + 1];
+#endif
+
+ static const int INPUT_BUFFER_SIZE = 64;
+ struct input_event mInputBufferData[INPUT_BUFFER_SIZE];
+ size_t mInputBufferIndex;
+ size_t mInputBufferCount;
+ size_t mInputFdIndex;
+};
+
+}; // namespace android
+
+#endif // _RUNTIME_EVENT_HUB_H
diff --git a/services/input/InputDispatcher.cpp b/services/input/InputDispatcher.cpp
new file mode 100644
index 0000000..3675021
--- /dev/null
+++ b/services/input/InputDispatcher.cpp
@@ -0,0 +1,3722 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputDispatcher"
+
+//#define LOG_NDEBUG 0
+
+// Log detailed debug messages about each inbound event notification to the dispatcher.
+#define DEBUG_INBOUND_EVENT_DETAILS 0
+
+// Log detailed debug messages about each outbound event processed by the dispatcher.
+#define DEBUG_OUTBOUND_EVENT_DETAILS 0
+
+// Log debug messages about batching.
+#define DEBUG_BATCHING 0
+
+// Log debug messages about the dispatch cycle.
+#define DEBUG_DISPATCH_CYCLE 0
+
+// Log debug messages about registrations.
+#define DEBUG_REGISTRATION 0
+
+// Log debug messages about performance statistics.
+#define DEBUG_PERFORMANCE_STATISTICS 0
+
+// Log debug messages about input event injection.
+#define DEBUG_INJECTION 0
+
+// Log debug messages about input event throttling.
+#define DEBUG_THROTTLING 0
+
+// Log debug messages about input focus tracking.
+#define DEBUG_FOCUS 0
+
+// Log debug messages about the app switch latency optimization.
+#define DEBUG_APP_SWITCH 0
+
+#include "InputDispatcher.h"
+
+#include <cutils/log.h>
+#include <ui/PowerManager.h>
+
+#include <stddef.h>
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+
+#define INDENT " "
+#define INDENT2 " "
+
+namespace android {
+
+// Default input dispatching timeout if there is no focused application or paused window
+// from which to determine an appropriate dispatching timeout.
+const nsecs_t DEFAULT_INPUT_DISPATCHING_TIMEOUT = 5000 * 1000000LL; // 5 sec
+
+// Amount of time to allow for all pending events to be processed when an app switch
+// key is on the way. This is used to preempt input dispatch and drop input events
+// when an application takes too long to respond and the user has pressed an app switch key.
+const nsecs_t APP_SWITCH_TIMEOUT = 500 * 1000000LL; // 0.5sec
+
+
+static inline nsecs_t now() {
+ return systemTime(SYSTEM_TIME_MONOTONIC);
+}
+
+static inline const char* toString(bool value) {
+ return value ? "true" : "false";
+}
+
+static inline int32_t getMotionEventActionPointerIndex(int32_t action) {
+ return (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK)
+ >> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
+}
+
+static bool isValidKeyAction(int32_t action) {
+ switch (action) {
+ case AKEY_EVENT_ACTION_DOWN:
+ case AKEY_EVENT_ACTION_UP:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool validateKeyEvent(int32_t action) {
+ if (! isValidKeyAction(action)) {
+ LOGE("Key event has invalid action code 0x%x", action);
+ return false;
+ }
+ return true;
+}
+
+static bool isValidMotionAction(int32_t action, size_t pointerCount) {
+ switch (action & AMOTION_EVENT_ACTION_MASK) {
+ case AMOTION_EVENT_ACTION_DOWN:
+ case AMOTION_EVENT_ACTION_UP:
+ case AMOTION_EVENT_ACTION_CANCEL:
+ case AMOTION_EVENT_ACTION_MOVE:
+ case AMOTION_EVENT_ACTION_OUTSIDE:
+ return true;
+ case AMOTION_EVENT_ACTION_POINTER_DOWN:
+ case AMOTION_EVENT_ACTION_POINTER_UP: {
+ int32_t index = getMotionEventActionPointerIndex(action);
+ return index >= 0 && size_t(index) < pointerCount;
+ }
+ default:
+ return false;
+ }
+}
+
+static bool validateMotionEvent(int32_t action, size_t pointerCount,
+ const int32_t* pointerIds) {
+ if (! isValidMotionAction(action, pointerCount)) {
+ LOGE("Motion event has invalid action code 0x%x", action);
+ return false;
+ }
+ if (pointerCount < 1 || pointerCount > MAX_POINTERS) {
+ LOGE("Motion event has invalid pointer count %d; value must be between 1 and %d.",
+ pointerCount, MAX_POINTERS);
+ return false;
+ }
+ BitSet32 pointerIdBits;
+ for (size_t i = 0; i < pointerCount; i++) {
+ int32_t id = pointerIds[i];
+ if (id < 0 || id > MAX_POINTER_ID) {
+ LOGE("Motion event has invalid pointer id %d; value must be between 0 and %d",
+ id, MAX_POINTER_ID);
+ return false;
+ }
+ if (pointerIdBits.hasBit(id)) {
+ LOGE("Motion event has duplicate pointer id %d", id);
+ return false;
+ }
+ pointerIdBits.markBit(id);
+ }
+ return true;
+}
+
+
+// --- InputWindow ---
+
+bool InputWindow::touchableAreaContainsPoint(int32_t x, int32_t y) const {
+ return x >= touchableAreaLeft && x <= touchableAreaRight
+ && y >= touchableAreaTop && y <= touchableAreaBottom;
+}
+
+bool InputWindow::frameContainsPoint(int32_t x, int32_t y) const {
+ return x >= frameLeft && x <= frameRight
+ && y >= frameTop && y <= frameBottom;
+}
+
+bool InputWindow::isTrustedOverlay() const {
+ return layoutParamsType == TYPE_INPUT_METHOD
+ || layoutParamsType == TYPE_INPUT_METHOD_DIALOG
+ || layoutParamsType == TYPE_SECURE_SYSTEM_OVERLAY;
+}
+
+bool InputWindow::supportsSplitTouch() const {
+ return layoutParamsFlags & InputWindow::FLAG_SPLIT_TOUCH;
+}
+
+
+// --- InputDispatcher ---
+
+InputDispatcher::InputDispatcher(const sp<InputDispatcherPolicyInterface>& policy) :
+ mPolicy(policy),
+ mPendingEvent(NULL), mAppSwitchDueTime(LONG_LONG_MAX),
+ mDispatchEnabled(true), mDispatchFrozen(false),
+ mFocusedWindow(NULL),
+ mFocusedApplication(NULL),
+ mCurrentInputTargetsValid(false),
+ mInputTargetWaitCause(INPUT_TARGET_WAIT_CAUSE_NONE) {
+ mLooper = new Looper(false);
+
+ mInboundQueue.headSentinel.refCount = -1;
+ mInboundQueue.headSentinel.type = EventEntry::TYPE_SENTINEL;
+ mInboundQueue.headSentinel.eventTime = LONG_LONG_MIN;
+
+ mInboundQueue.tailSentinel.refCount = -1;
+ mInboundQueue.tailSentinel.type = EventEntry::TYPE_SENTINEL;
+ mInboundQueue.tailSentinel.eventTime = LONG_LONG_MAX;
+
+ mKeyRepeatState.lastKeyEntry = NULL;
+
+ int32_t maxEventsPerSecond = policy->getMaxEventsPerSecond();
+ mThrottleState.minTimeBetweenEvents = 1000000000LL / maxEventsPerSecond;
+ mThrottleState.lastDeviceId = -1;
+
+#if DEBUG_THROTTLING
+ mThrottleState.originalSampleCount = 0;
+ LOGD("Throttling - Max events per second = %d", maxEventsPerSecond);
+#endif
+}
+
+InputDispatcher::~InputDispatcher() {
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ resetKeyRepeatLocked();
+ releasePendingEventLocked();
+ drainInboundQueueLocked();
+ }
+
+ while (mConnectionsByReceiveFd.size() != 0) {
+ unregisterInputChannel(mConnectionsByReceiveFd.valueAt(0)->inputChannel);
+ }
+}
+
+void InputDispatcher::dispatchOnce() {
+ nsecs_t keyRepeatTimeout = mPolicy->getKeyRepeatTimeout();
+ nsecs_t keyRepeatDelay = mPolicy->getKeyRepeatDelay();
+
+ nsecs_t nextWakeupTime = LONG_LONG_MAX;
+ { // acquire lock
+ AutoMutex _l(mLock);
+ dispatchOnceInnerLocked(keyRepeatTimeout, keyRepeatDelay, & nextWakeupTime);
+
+ if (runCommandsLockedInterruptible()) {
+ nextWakeupTime = LONG_LONG_MIN; // force next poll to wake up immediately
+ }
+ } // release lock
+
+ // Wait for callback or timeout or wake. (make sure we round up, not down)
+ nsecs_t currentTime = now();
+ int32_t timeoutMillis;
+ if (nextWakeupTime > currentTime) {
+ uint64_t timeout = uint64_t(nextWakeupTime - currentTime);
+ timeout = (timeout + 999999LL) / 1000000LL;
+ timeoutMillis = timeout > INT_MAX ? -1 : int32_t(timeout);
+ } else {
+ timeoutMillis = 0;
+ }
+
+ mLooper->pollOnce(timeoutMillis);
+}
+
+void InputDispatcher::dispatchOnceInnerLocked(nsecs_t keyRepeatTimeout,
+ nsecs_t keyRepeatDelay, nsecs_t* nextWakeupTime) {
+ nsecs_t currentTime = now();
+
+ // Reset the key repeat timer whenever we disallow key events, even if the next event
+ // is not a key. This is to ensure that we abort a key repeat if the device is just coming
+ // out of sleep.
+ if (keyRepeatTimeout < 0) {
+ resetKeyRepeatLocked();
+ }
+
+ // If dispatching is frozen, do not process timeouts or try to deliver any new events.
+ if (mDispatchFrozen) {
+#if DEBUG_FOCUS
+ LOGD("Dispatch frozen. Waiting some more.");
+#endif
+ return;
+ }
+
+ // Optimize latency of app switches.
+ // Essentially we start a short timeout when an app switch key (HOME / ENDCALL) has
+ // been pressed. When it expires, we preempt dispatch and drop all other pending events.
+ bool isAppSwitchDue = mAppSwitchDueTime <= currentTime;
+ if (mAppSwitchDueTime < *nextWakeupTime) {
+ *nextWakeupTime = mAppSwitchDueTime;
+ }
+
+ // Ready to start a new event.
+ // If we don't already have a pending event, go grab one.
+ if (! mPendingEvent) {
+ if (mInboundQueue.isEmpty()) {
+ if (isAppSwitchDue) {
+ // The inbound queue is empty so the app switch key we were waiting
+ // for will never arrive. Stop waiting for it.
+ resetPendingAppSwitchLocked(false);
+ isAppSwitchDue = false;
+ }
+
+ // Synthesize a key repeat if appropriate.
+ if (mKeyRepeatState.lastKeyEntry) {
+ if (currentTime >= mKeyRepeatState.nextRepeatTime) {
+ mPendingEvent = synthesizeKeyRepeatLocked(currentTime, keyRepeatDelay);
+ } else {
+ if (mKeyRepeatState.nextRepeatTime < *nextWakeupTime) {
+ *nextWakeupTime = mKeyRepeatState.nextRepeatTime;
+ }
+ }
+ }
+ if (! mPendingEvent) {
+ return;
+ }
+ } else {
+ // Inbound queue has at least one entry.
+ EventEntry* entry = mInboundQueue.headSentinel.next;
+
+ // Throttle the entry if it is a move event and there are no
+ // other events behind it in the queue. Due to movement batching, additional
+ // samples may be appended to this event by the time the throttling timeout
+ // expires.
+ // TODO Make this smarter and consider throttling per device independently.
+ if (entry->type == EventEntry::TYPE_MOTION
+ && !isAppSwitchDue
+ && mDispatchEnabled
+ && (entry->policyFlags & POLICY_FLAG_PASS_TO_USER)
+ && !entry->isInjected()) {
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(entry);
+ int32_t deviceId = motionEntry->deviceId;
+ uint32_t source = motionEntry->source;
+ if (! isAppSwitchDue
+ && motionEntry->next == & mInboundQueue.tailSentinel // exactly one event
+ && motionEntry->action == AMOTION_EVENT_ACTION_MOVE
+ && deviceId == mThrottleState.lastDeviceId
+ && source == mThrottleState.lastSource) {
+ nsecs_t nextTime = mThrottleState.lastEventTime
+ + mThrottleState.minTimeBetweenEvents;
+ if (currentTime < nextTime) {
+ // Throttle it!
+#if DEBUG_THROTTLING
+ LOGD("Throttling - Delaying motion event for "
+ "device %d, source 0x%08x by up to %0.3fms.",
+ deviceId, source, (nextTime - currentTime) * 0.000001);
+#endif
+ if (nextTime < *nextWakeupTime) {
+ *nextWakeupTime = nextTime;
+ }
+ if (mThrottleState.originalSampleCount == 0) {
+ mThrottleState.originalSampleCount =
+ motionEntry->countSamples();
+ }
+ return;
+ }
+ }
+
+#if DEBUG_THROTTLING
+ if (mThrottleState.originalSampleCount != 0) {
+ uint32_t count = motionEntry->countSamples();
+ LOGD("Throttling - Motion event sample count grew by %d from %d to %d.",
+ count - mThrottleState.originalSampleCount,
+ mThrottleState.originalSampleCount, count);
+ mThrottleState.originalSampleCount = 0;
+ }
+#endif
+
+ mThrottleState.lastEventTime = entry->eventTime < currentTime
+ ? entry->eventTime : currentTime;
+ mThrottleState.lastDeviceId = deviceId;
+ mThrottleState.lastSource = source;
+ }
+
+ mInboundQueue.dequeue(entry);
+ mPendingEvent = entry;
+ }
+
+ // Poke user activity for this event.
+ if (mPendingEvent->policyFlags & POLICY_FLAG_PASS_TO_USER) {
+ pokeUserActivityLocked(mPendingEvent);
+ }
+ }
+
+ // Now we have an event to dispatch.
+ assert(mPendingEvent != NULL);
+ bool done = false;
+ DropReason dropReason = DROP_REASON_NOT_DROPPED;
+ if (!(mPendingEvent->policyFlags & POLICY_FLAG_PASS_TO_USER)) {
+ dropReason = DROP_REASON_POLICY;
+ } else if (!mDispatchEnabled) {
+ dropReason = DROP_REASON_DISABLED;
+ }
+ switch (mPendingEvent->type) {
+ case EventEntry::TYPE_CONFIGURATION_CHANGED: {
+ ConfigurationChangedEntry* typedEntry =
+ static_cast<ConfigurationChangedEntry*>(mPendingEvent);
+ done = dispatchConfigurationChangedLocked(currentTime, typedEntry);
+ dropReason = DROP_REASON_NOT_DROPPED; // configuration changes are never dropped
+ break;
+ }
+
+ case EventEntry::TYPE_KEY: {
+ KeyEntry* typedEntry = static_cast<KeyEntry*>(mPendingEvent);
+ if (isAppSwitchDue) {
+ if (isAppSwitchKeyEventLocked(typedEntry)) {
+ resetPendingAppSwitchLocked(true);
+ isAppSwitchDue = false;
+ } else if (dropReason == DROP_REASON_NOT_DROPPED) {
+ dropReason = DROP_REASON_APP_SWITCH;
+ }
+ }
+ done = dispatchKeyLocked(currentTime, typedEntry, keyRepeatTimeout,
+ &dropReason, nextWakeupTime);
+ break;
+ }
+
+ case EventEntry::TYPE_MOTION: {
+ MotionEntry* typedEntry = static_cast<MotionEntry*>(mPendingEvent);
+ if (dropReason == DROP_REASON_NOT_DROPPED && isAppSwitchDue) {
+ dropReason = DROP_REASON_APP_SWITCH;
+ }
+ done = dispatchMotionLocked(currentTime, typedEntry,
+ &dropReason, nextWakeupTime);
+ break;
+ }
+
+ default:
+ assert(false);
+ break;
+ }
+
+ if (done) {
+ if (dropReason != DROP_REASON_NOT_DROPPED) {
+ dropInboundEventLocked(mPendingEvent, dropReason);
+ }
+
+ releasePendingEventLocked();
+ *nextWakeupTime = LONG_LONG_MIN; // force next poll to wake up immediately
+ }
+}
+
+bool InputDispatcher::enqueueInboundEventLocked(EventEntry* entry) {
+ bool needWake = mInboundQueue.isEmpty();
+ mInboundQueue.enqueueAtTail(entry);
+
+ switch (entry->type) {
+ case EventEntry::TYPE_KEY: {
+ KeyEntry* keyEntry = static_cast<KeyEntry*>(entry);
+ if (isAppSwitchKeyEventLocked(keyEntry)) {
+ if (keyEntry->action == AKEY_EVENT_ACTION_DOWN) {
+ mAppSwitchSawKeyDown = true;
+ } else if (keyEntry->action == AKEY_EVENT_ACTION_UP) {
+ if (mAppSwitchSawKeyDown) {
+#if DEBUG_APP_SWITCH
+ LOGD("App switch is pending!");
+#endif
+ mAppSwitchDueTime = keyEntry->eventTime + APP_SWITCH_TIMEOUT;
+ mAppSwitchSawKeyDown = false;
+ needWake = true;
+ }
+ }
+ }
+ break;
+ }
+ }
+
+ return needWake;
+}
+
+void InputDispatcher::dropInboundEventLocked(EventEntry* entry, DropReason dropReason) {
+ const char* reason;
+ switch (dropReason) {
+ case DROP_REASON_POLICY:
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("Dropped event because policy consumed it.");
+#endif
+ reason = "inbound event was dropped because the policy consumed it";
+ break;
+ case DROP_REASON_DISABLED:
+ LOGI("Dropped event because input dispatch is disabled.");
+ reason = "inbound event was dropped because input dispatch is disabled";
+ break;
+ case DROP_REASON_APP_SWITCH:
+ LOGI("Dropped event because of pending overdue app switch.");
+ reason = "inbound event was dropped because of pending overdue app switch";
+ break;
+ default:
+ assert(false);
+ return;
+ }
+
+ switch (entry->type) {
+ case EventEntry::TYPE_KEY:
+ synthesizeCancelationEventsForAllConnectionsLocked(
+ InputState::CANCEL_NON_POINTER_EVENTS, reason);
+ break;
+ case EventEntry::TYPE_MOTION: {
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(entry);
+ if (motionEntry->source & AINPUT_SOURCE_CLASS_POINTER) {
+ synthesizeCancelationEventsForAllConnectionsLocked(
+ InputState::CANCEL_POINTER_EVENTS, reason);
+ } else {
+ synthesizeCancelationEventsForAllConnectionsLocked(
+ InputState::CANCEL_NON_POINTER_EVENTS, reason);
+ }
+ break;
+ }
+ }
+}
+
+bool InputDispatcher::isAppSwitchKeyCode(int32_t keyCode) {
+ return keyCode == AKEYCODE_HOME || keyCode == AKEYCODE_ENDCALL;
+}
+
+bool InputDispatcher::isAppSwitchKeyEventLocked(KeyEntry* keyEntry) {
+ return ! (keyEntry->flags & AKEY_EVENT_FLAG_CANCELED)
+ && isAppSwitchKeyCode(keyEntry->keyCode)
+ && (keyEntry->policyFlags & POLICY_FLAG_TRUSTED)
+ && (keyEntry->policyFlags & POLICY_FLAG_PASS_TO_USER);
+}
+
+bool InputDispatcher::isAppSwitchPendingLocked() {
+ return mAppSwitchDueTime != LONG_LONG_MAX;
+}
+
+void InputDispatcher::resetPendingAppSwitchLocked(bool handled) {
+ mAppSwitchDueTime = LONG_LONG_MAX;
+
+#if DEBUG_APP_SWITCH
+ if (handled) {
+ LOGD("App switch has arrived.");
+ } else {
+ LOGD("App switch was abandoned.");
+ }
+#endif
+}
+
+bool InputDispatcher::runCommandsLockedInterruptible() {
+ if (mCommandQueue.isEmpty()) {
+ return false;
+ }
+
+ do {
+ CommandEntry* commandEntry = mCommandQueue.dequeueAtHead();
+
+ Command command = commandEntry->command;
+ (this->*command)(commandEntry); // commands are implicitly 'LockedInterruptible'
+
+ commandEntry->connection.clear();
+ mAllocator.releaseCommandEntry(commandEntry);
+ } while (! mCommandQueue.isEmpty());
+ return true;
+}
+
+InputDispatcher::CommandEntry* InputDispatcher::postCommandLocked(Command command) {
+ CommandEntry* commandEntry = mAllocator.obtainCommandEntry(command);
+ mCommandQueue.enqueueAtTail(commandEntry);
+ return commandEntry;
+}
+
+void InputDispatcher::drainInboundQueueLocked() {
+ while (! mInboundQueue.isEmpty()) {
+ EventEntry* entry = mInboundQueue.dequeueAtHead();
+ releaseInboundEventLocked(entry);
+ }
+}
+
+void InputDispatcher::releasePendingEventLocked() {
+ if (mPendingEvent) {
+ releaseInboundEventLocked(mPendingEvent);
+ mPendingEvent = NULL;
+ }
+}
+
+void InputDispatcher::releaseInboundEventLocked(EventEntry* entry) {
+ InjectionState* injectionState = entry->injectionState;
+ if (injectionState && injectionState->injectionResult == INPUT_EVENT_INJECTION_PENDING) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("Injected inbound event was dropped.");
+#endif
+ setInjectionResultLocked(entry, INPUT_EVENT_INJECTION_FAILED);
+ }
+ mAllocator.releaseEventEntry(entry);
+}
+
+void InputDispatcher::resetKeyRepeatLocked() {
+ if (mKeyRepeatState.lastKeyEntry) {
+ mAllocator.releaseKeyEntry(mKeyRepeatState.lastKeyEntry);
+ mKeyRepeatState.lastKeyEntry = NULL;
+ }
+}
+
+InputDispatcher::KeyEntry* InputDispatcher::synthesizeKeyRepeatLocked(
+ nsecs_t currentTime, nsecs_t keyRepeatDelay) {
+ KeyEntry* entry = mKeyRepeatState.lastKeyEntry;
+
+ // Reuse the repeated key entry if it is otherwise unreferenced.
+ uint32_t policyFlags = (entry->policyFlags & POLICY_FLAG_RAW_MASK)
+ | POLICY_FLAG_PASS_TO_USER | POLICY_FLAG_TRUSTED;
+ if (entry->refCount == 1) {
+ mAllocator.recycleKeyEntry(entry);
+ entry->eventTime = currentTime;
+ entry->policyFlags = policyFlags;
+ entry->repeatCount += 1;
+ } else {
+ KeyEntry* newEntry = mAllocator.obtainKeyEntry(currentTime,
+ entry->deviceId, entry->source, policyFlags,
+ entry->action, entry->flags, entry->keyCode, entry->scanCode,
+ entry->metaState, entry->repeatCount + 1, entry->downTime);
+
+ mKeyRepeatState.lastKeyEntry = newEntry;
+ mAllocator.releaseKeyEntry(entry);
+
+ entry = newEntry;
+ }
+ entry->syntheticRepeat = true;
+
+ // Increment reference count since we keep a reference to the event in
+ // mKeyRepeatState.lastKeyEntry in addition to the one we return.
+ entry->refCount += 1;
+
+ if (entry->repeatCount == 1) {
+ entry->flags |= AKEY_EVENT_FLAG_LONG_PRESS;
+ }
+
+ mKeyRepeatState.nextRepeatTime = currentTime + keyRepeatDelay;
+ return entry;
+}
+
+bool InputDispatcher::dispatchConfigurationChangedLocked(
+ nsecs_t currentTime, ConfigurationChangedEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ LOGD("dispatchConfigurationChanged - eventTime=%lld", entry->eventTime);
+#endif
+
+ // Reset key repeating in case a keyboard device was added or removed or something.
+ resetKeyRepeatLocked();
+
+ // Enqueue a command to run outside the lock to tell the policy that the configuration changed.
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doNotifyConfigurationChangedInterruptible);
+ commandEntry->eventTime = entry->eventTime;
+ return true;
+}
+
+bool InputDispatcher::dispatchKeyLocked(
+ nsecs_t currentTime, KeyEntry* entry, nsecs_t keyRepeatTimeout,
+ DropReason* dropReason, nsecs_t* nextWakeupTime) {
+ // Preprocessing.
+ if (! entry->dispatchInProgress) {
+ if (entry->repeatCount == 0
+ && entry->action == AKEY_EVENT_ACTION_DOWN
+ && (entry->policyFlags & POLICY_FLAG_TRUSTED)
+ && !entry->isInjected()) {
+ if (mKeyRepeatState.lastKeyEntry
+ && mKeyRepeatState.lastKeyEntry->keyCode == entry->keyCode) {
+ // We have seen two identical key downs in a row which indicates that the device
+ // driver is automatically generating key repeats itself. We take note of the
+ // repeat here, but we disable our own next key repeat timer since it is clear that
+ // we will not need to synthesize key repeats ourselves.
+ entry->repeatCount = mKeyRepeatState.lastKeyEntry->repeatCount + 1;
+ resetKeyRepeatLocked();
+ mKeyRepeatState.nextRepeatTime = LONG_LONG_MAX; // don't generate repeats ourselves
+ } else {
+ // Not a repeat. Save key down state in case we do see a repeat later.
+ resetKeyRepeatLocked();
+ mKeyRepeatState.nextRepeatTime = entry->eventTime + keyRepeatTimeout;
+ }
+ mKeyRepeatState.lastKeyEntry = entry;
+ entry->refCount += 1;
+ } else if (! entry->syntheticRepeat) {
+ resetKeyRepeatLocked();
+ }
+
+ entry->dispatchInProgress = true;
+ resetTargetsLocked();
+
+ logOutboundKeyDetailsLocked("dispatchKey - ", entry);
+ }
+
+ // Give the policy a chance to intercept the key.
+ if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN) {
+ if (entry->policyFlags & POLICY_FLAG_PASS_TO_USER) {
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible);
+ if (mFocusedWindow) {
+ commandEntry->inputChannel = mFocusedWindow->inputChannel;
+ }
+ commandEntry->keyEntry = entry;
+ entry->refCount += 1;
+ return false; // wait for the command to run
+ } else {
+ entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_CONTINUE;
+ }
+ } else if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_SKIP) {
+ if (*dropReason == DROP_REASON_NOT_DROPPED) {
+ *dropReason = DROP_REASON_POLICY;
+ }
+ }
+
+ // Clean up if dropping the event.
+ if (*dropReason != DROP_REASON_NOT_DROPPED) {
+ resetTargetsLocked();
+ setInjectionResultLocked(entry, *dropReason == DROP_REASON_POLICY
+ ? INPUT_EVENT_INJECTION_SUCCEEDED : INPUT_EVENT_INJECTION_FAILED);
+ return true;
+ }
+
+ // Identify targets.
+ if (! mCurrentInputTargetsValid) {
+ int32_t injectionResult = findFocusedWindowTargetsLocked(currentTime,
+ entry, nextWakeupTime);
+ if (injectionResult == INPUT_EVENT_INJECTION_PENDING) {
+ return false;
+ }
+
+ setInjectionResultLocked(entry, injectionResult);
+ if (injectionResult != INPUT_EVENT_INJECTION_SUCCEEDED) {
+ return true;
+ }
+
+ addMonitoringTargetsLocked();
+ commitTargetsLocked();
+ }
+
+ // Dispatch the key.
+ dispatchEventToCurrentInputTargetsLocked(currentTime, entry, false);
+ return true;
+}
+
+void InputDispatcher::logOutboundKeyDetailsLocked(const char* prefix, const KeyEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ LOGD("%seventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, "
+ "action=0x%x, flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, "
+ "repeatCount=%d, downTime=%lld",
+ prefix,
+ entry->eventTime, entry->deviceId, entry->source, entry->policyFlags,
+ entry->action, entry->flags, entry->keyCode, entry->scanCode, entry->metaState,
+ entry->repeatCount, entry->downTime);
+#endif
+}
+
+bool InputDispatcher::dispatchMotionLocked(
+ nsecs_t currentTime, MotionEntry* entry, DropReason* dropReason, nsecs_t* nextWakeupTime) {
+ // Preprocessing.
+ if (! entry->dispatchInProgress) {
+ entry->dispatchInProgress = true;
+ resetTargetsLocked();
+
+ logOutboundMotionDetailsLocked("dispatchMotion - ", entry);
+ }
+
+ // Clean up if dropping the event.
+ if (*dropReason != DROP_REASON_NOT_DROPPED) {
+ resetTargetsLocked();
+ setInjectionResultLocked(entry, *dropReason == DROP_REASON_POLICY
+ ? INPUT_EVENT_INJECTION_SUCCEEDED : INPUT_EVENT_INJECTION_FAILED);
+ return true;
+ }
+
+ bool isPointerEvent = entry->source & AINPUT_SOURCE_CLASS_POINTER;
+
+ // Identify targets.
+ if (! mCurrentInputTargetsValid) {
+ int32_t injectionResult;
+ if (isPointerEvent) {
+ // Pointer event. (eg. touchscreen)
+ injectionResult = findTouchedWindowTargetsLocked(currentTime,
+ entry, nextWakeupTime);
+ } else {
+ // Non touch event. (eg. trackball)
+ injectionResult = findFocusedWindowTargetsLocked(currentTime,
+ entry, nextWakeupTime);
+ }
+ if (injectionResult == INPUT_EVENT_INJECTION_PENDING) {
+ return false;
+ }
+
+ setInjectionResultLocked(entry, injectionResult);
+ if (injectionResult != INPUT_EVENT_INJECTION_SUCCEEDED) {
+ return true;
+ }
+
+ addMonitoringTargetsLocked();
+ commitTargetsLocked();
+ }
+
+ // Dispatch the motion.
+ dispatchEventToCurrentInputTargetsLocked(currentTime, entry, false);
+ return true;
+}
+
+
+void InputDispatcher::logOutboundMotionDetailsLocked(const char* prefix, const MotionEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ LOGD("%seventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, "
+ "action=0x%x, flags=0x%x, "
+ "metaState=0x%x, edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, downTime=%lld",
+ prefix,
+ entry->eventTime, entry->deviceId, entry->source, entry->policyFlags,
+ entry->action, entry->flags,
+ entry->metaState, entry->edgeFlags, entry->xPrecision, entry->yPrecision,
+ entry->downTime);
+
+ // Print the most recent sample that we have available, this may change due to batching.
+ size_t sampleCount = 1;
+ const MotionSample* sample = & entry->firstSample;
+ for (; sample->next != NULL; sample = sample->next) {
+ sampleCount += 1;
+ }
+ for (uint32_t i = 0; i < entry->pointerCount; i++) {
+ LOGD(" Pointer %d: id=%d, x=%f, y=%f, pressure=%f, size=%f, "
+ "touchMajor=%f, touchMinor=%f, toolMajor=%f, toolMinor=%f, "
+ "orientation=%f",
+ i, entry->pointerIds[i],
+ sample->pointerCoords[i].x, sample->pointerCoords[i].y,
+ sample->pointerCoords[i].pressure, sample->pointerCoords[i].size,
+ sample->pointerCoords[i].touchMajor, sample->pointerCoords[i].touchMinor,
+ sample->pointerCoords[i].toolMajor, sample->pointerCoords[i].toolMinor,
+ sample->pointerCoords[i].orientation);
+ }
+
+ // Keep in mind that due to batching, it is possible for the number of samples actually
+ // dispatched to change before the application finally consumed them.
+ if (entry->action == AMOTION_EVENT_ACTION_MOVE) {
+ LOGD(" ... Total movement samples currently batched %d ...", sampleCount);
+ }
+#endif
+}
+
+void InputDispatcher::dispatchEventToCurrentInputTargetsLocked(nsecs_t currentTime,
+ EventEntry* eventEntry, bool resumeWithAppendedMotionSample) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("dispatchEventToCurrentInputTargets - "
+ "resumeWithAppendedMotionSample=%s",
+ toString(resumeWithAppendedMotionSample));
+#endif
+
+ assert(eventEntry->dispatchInProgress); // should already have been set to true
+
+ pokeUserActivityLocked(eventEntry);
+
+ for (size_t i = 0; i < mCurrentInputTargets.size(); i++) {
+ const InputTarget& inputTarget = mCurrentInputTargets.itemAt(i);
+
+ ssize_t connectionIndex = getConnectionIndexLocked(inputTarget.inputChannel);
+ if (connectionIndex >= 0) {
+ sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+ prepareDispatchCycleLocked(currentTime, connection, eventEntry, & inputTarget,
+ resumeWithAppendedMotionSample);
+ } else {
+#if DEBUG_FOCUS
+ LOGD("Dropping event delivery to target with channel '%s' because it "
+ "is no longer registered with the input dispatcher.",
+ inputTarget.inputChannel->getName().string());
+#endif
+ }
+ }
+}
+
+void InputDispatcher::resetTargetsLocked() {
+ mCurrentInputTargetsValid = false;
+ mCurrentInputTargets.clear();
+ mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_NONE;
+}
+
+void InputDispatcher::commitTargetsLocked() {
+ mCurrentInputTargetsValid = true;
+}
+
+int32_t InputDispatcher::handleTargetsNotReadyLocked(nsecs_t currentTime,
+ const EventEntry* entry, const InputApplication* application, const InputWindow* window,
+ nsecs_t* nextWakeupTime) {
+ if (application == NULL && window == NULL) {
+ if (mInputTargetWaitCause != INPUT_TARGET_WAIT_CAUSE_SYSTEM_NOT_READY) {
+#if DEBUG_FOCUS
+ LOGD("Waiting for system to become ready for input.");
+#endif
+ mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_SYSTEM_NOT_READY;
+ mInputTargetWaitStartTime = currentTime;
+ mInputTargetWaitTimeoutTime = LONG_LONG_MAX;
+ mInputTargetWaitTimeoutExpired = false;
+ }
+ } else {
+ if (mInputTargetWaitCause != INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY) {
+#if DEBUG_FOCUS
+ LOGD("Waiting for application to become ready for input: %s",
+ getApplicationWindowLabelLocked(application, window).string());
+#endif
+ nsecs_t timeout = window ? window->dispatchingTimeout :
+ application ? application->dispatchingTimeout : DEFAULT_INPUT_DISPATCHING_TIMEOUT;
+
+ mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY;
+ mInputTargetWaitStartTime = currentTime;
+ mInputTargetWaitTimeoutTime = currentTime + timeout;
+ mInputTargetWaitTimeoutExpired = false;
+ }
+ }
+
+ if (mInputTargetWaitTimeoutExpired) {
+ return INPUT_EVENT_INJECTION_TIMED_OUT;
+ }
+
+ if (currentTime >= mInputTargetWaitTimeoutTime) {
+ onANRLocked(currentTime, application, window, entry->eventTime, mInputTargetWaitStartTime);
+
+ // Force poll loop to wake up immediately on next iteration once we get the
+ // ANR response back from the policy.
+ *nextWakeupTime = LONG_LONG_MIN;
+ return INPUT_EVENT_INJECTION_PENDING;
+ } else {
+ // Force poll loop to wake up when timeout is due.
+ if (mInputTargetWaitTimeoutTime < *nextWakeupTime) {
+ *nextWakeupTime = mInputTargetWaitTimeoutTime;
+ }
+ return INPUT_EVENT_INJECTION_PENDING;
+ }
+}
+
+void InputDispatcher::resumeAfterTargetsNotReadyTimeoutLocked(nsecs_t newTimeout,
+ const sp<InputChannel>& inputChannel) {
+ if (newTimeout > 0) {
+ // Extend the timeout.
+ mInputTargetWaitTimeoutTime = now() + newTimeout;
+ } else {
+ // Give up.
+ mInputTargetWaitTimeoutExpired = true;
+
+ // Release the touch targets.
+ mTouchState.reset();
+
+ // Input state will not be realistic. Mark it out of sync.
+ if (inputChannel.get()) {
+ ssize_t connectionIndex = getConnectionIndexLocked(inputChannel);
+ if (connectionIndex >= 0) {
+ sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+ if (connection->status == Connection::STATUS_NORMAL) {
+ synthesizeCancelationEventsForConnectionLocked(
+ connection, InputState::CANCEL_ALL_EVENTS,
+ "application not responding");
+ }
+ }
+ }
+ }
+}
+
+nsecs_t InputDispatcher::getTimeSpentWaitingForApplicationLocked(
+ nsecs_t currentTime) {
+ if (mInputTargetWaitCause == INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY) {
+ return currentTime - mInputTargetWaitStartTime;
+ }
+ return 0;
+}
+
+void InputDispatcher::resetANRTimeoutsLocked() {
+#if DEBUG_FOCUS
+ LOGD("Resetting ANR timeouts.");
+#endif
+
+ // Reset input target wait timeout.
+ mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_NONE;
+}
+
+int32_t InputDispatcher::findFocusedWindowTargetsLocked(nsecs_t currentTime,
+ const EventEntry* entry, nsecs_t* nextWakeupTime) {
+ mCurrentInputTargets.clear();
+
+ int32_t injectionResult;
+
+ // If there is no currently focused window and no focused application
+ // then drop the event.
+ if (! mFocusedWindow) {
+ if (mFocusedApplication) {
+#if DEBUG_FOCUS
+ LOGD("Waiting because there is no focused window but there is a "
+ "focused application that may eventually add a window: %s.",
+ getApplicationWindowLabelLocked(mFocusedApplication, NULL).string());
+#endif
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ mFocusedApplication, NULL, nextWakeupTime);
+ goto Unresponsive;
+ }
+
+ LOGI("Dropping event because there is no focused window or focused application.");
+ injectionResult = INPUT_EVENT_INJECTION_FAILED;
+ goto Failed;
+ }
+
+ // Check permissions.
+ if (! checkInjectionPermission(mFocusedWindow, entry->injectionState)) {
+ injectionResult = INPUT_EVENT_INJECTION_PERMISSION_DENIED;
+ goto Failed;
+ }
+
+ // If the currently focused window is paused then keep waiting.
+ if (mFocusedWindow->paused) {
+#if DEBUG_FOCUS
+ LOGD("Waiting because focused window is paused.");
+#endif
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ mFocusedApplication, mFocusedWindow, nextWakeupTime);
+ goto Unresponsive;
+ }
+
+ // If the currently focused window is still working on previous events then keep waiting.
+ if (! isWindowFinishedWithPreviousInputLocked(mFocusedWindow)) {
+#if DEBUG_FOCUS
+ LOGD("Waiting because focused window still processing previous input.");
+#endif
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ mFocusedApplication, mFocusedWindow, nextWakeupTime);
+ goto Unresponsive;
+ }
+
+ // Success! Output targets.
+ injectionResult = INPUT_EVENT_INJECTION_SUCCEEDED;
+ addWindowTargetLocked(mFocusedWindow, InputTarget::FLAG_FOREGROUND, BitSet32(0));
+
+ // Done.
+Failed:
+Unresponsive:
+ nsecs_t timeSpentWaitingForApplication = getTimeSpentWaitingForApplicationLocked(currentTime);
+ updateDispatchStatisticsLocked(currentTime, entry,
+ injectionResult, timeSpentWaitingForApplication);
+#if DEBUG_FOCUS
+ LOGD("findFocusedWindow finished: injectionResult=%d, "
+ "timeSpendWaitingForApplication=%0.1fms",
+ injectionResult, timeSpentWaitingForApplication / 1000000.0);
+#endif
+ return injectionResult;
+}
+
+int32_t InputDispatcher::findTouchedWindowTargetsLocked(nsecs_t currentTime,
+ const MotionEntry* entry, nsecs_t* nextWakeupTime) {
+ enum InjectionPermission {
+ INJECTION_PERMISSION_UNKNOWN,
+ INJECTION_PERMISSION_GRANTED,
+ INJECTION_PERMISSION_DENIED
+ };
+
+ mCurrentInputTargets.clear();
+
+ nsecs_t startTime = now();
+
+ // For security reasons, we defer updating the touch state until we are sure that
+ // event injection will be allowed.
+ //
+ // FIXME In the original code, screenWasOff could never be set to true.
+ // The reason is that the POLICY_FLAG_WOKE_HERE
+ // and POLICY_FLAG_BRIGHT_HERE flags were set only when preprocessing raw
+ // EV_KEY, EV_REL and EV_ABS events. As it happens, the touch event was
+ // actually enqueued using the policyFlags that appeared in the final EV_SYN
+ // events upon which no preprocessing took place. So policyFlags was always 0.
+ // In the new native input dispatcher we're a bit more careful about event
+ // preprocessing so the touches we receive can actually have non-zero policyFlags.
+ // Unfortunately we obtain undesirable behavior.
+ //
+ // Here's what happens:
+ //
+ // When the device dims in anticipation of going to sleep, touches
+ // in windows which have FLAG_TOUCHABLE_WHEN_WAKING cause
+ // the device to brighten and reset the user activity timer.
+ // Touches on other windows (such as the launcher window)
+ // are dropped. Then after a moment, the device goes to sleep. Oops.
+ //
+ // Also notice how screenWasOff was being initialized using POLICY_FLAG_BRIGHT_HERE
+ // instead of POLICY_FLAG_WOKE_HERE...
+ //
+ bool screenWasOff = false; // original policy: policyFlags & POLICY_FLAG_BRIGHT_HERE;
+
+ int32_t action = entry->action;
+ int32_t maskedAction = action & AMOTION_EVENT_ACTION_MASK;
+
+ // Update the touch state as needed based on the properties of the touch event.
+ int32_t injectionResult = INPUT_EVENT_INJECTION_PENDING;
+ InjectionPermission injectionPermission = INJECTION_PERMISSION_UNKNOWN;
+ if (maskedAction == AMOTION_EVENT_ACTION_DOWN) {
+ mTempTouchState.reset();
+ mTempTouchState.down = true;
+ } else {
+ mTempTouchState.copyFrom(mTouchState);
+ }
+
+ bool isSplit = mTempTouchState.split && mTempTouchState.down;
+ if (maskedAction == AMOTION_EVENT_ACTION_DOWN
+ || (isSplit && maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN)) {
+ /* Case 1: New splittable pointer going down. */
+
+ int32_t pointerIndex = getMotionEventActionPointerIndex(action);
+ int32_t x = int32_t(entry->firstSample.pointerCoords[pointerIndex].x);
+ int32_t y = int32_t(entry->firstSample.pointerCoords[pointerIndex].y);
+ const InputWindow* newTouchedWindow = NULL;
+ const InputWindow* topErrorWindow = NULL;
+
+ // Traverse windows from front to back to find touched window and outside targets.
+ size_t numWindows = mWindows.size();
+ for (size_t i = 0; i < numWindows; i++) {
+ const InputWindow* window = & mWindows.editItemAt(i);
+ int32_t flags = window->layoutParamsFlags;
+
+ if (flags & InputWindow::FLAG_SYSTEM_ERROR) {
+ if (! topErrorWindow) {
+ topErrorWindow = window;
+ }
+ }
+
+ if (window->visible) {
+ if (! (flags & InputWindow::FLAG_NOT_TOUCHABLE)) {
+ bool isTouchModal = (flags & (InputWindow::FLAG_NOT_FOCUSABLE
+ | InputWindow::FLAG_NOT_TOUCH_MODAL)) == 0;
+ if (isTouchModal || window->touchableAreaContainsPoint(x, y)) {
+ if (! screenWasOff || flags & InputWindow::FLAG_TOUCHABLE_WHEN_WAKING) {
+ newTouchedWindow = window;
+ }
+ break; // found touched window, exit window loop
+ }
+ }
+
+ if (maskedAction == AMOTION_EVENT_ACTION_DOWN
+ && (flags & InputWindow::FLAG_WATCH_OUTSIDE_TOUCH)) {
+ int32_t outsideTargetFlags = InputTarget::FLAG_OUTSIDE;
+ if (isWindowObscuredAtPointLocked(window, x, y)) {
+ outsideTargetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
+ }
+
+ mTempTouchState.addOrUpdateWindow(window, outsideTargetFlags, BitSet32(0));
+ }
+ }
+ }
+
+ // If there is an error window but it is not taking focus (typically because
+ // it is invisible) then wait for it. Any other focused window may in
+ // fact be in ANR state.
+ if (topErrorWindow && newTouchedWindow != topErrorWindow) {
+#if DEBUG_FOCUS
+ LOGD("Waiting because system error window is pending.");
+#endif
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ NULL, NULL, nextWakeupTime);
+ injectionPermission = INJECTION_PERMISSION_UNKNOWN;
+ goto Unresponsive;
+ }
+
+ // Figure out whether splitting will be allowed for this window.
+ if (newTouchedWindow && newTouchedWindow->supportsSplitTouch()) {
+ // New window supports splitting.
+ isSplit = true;
+ } else if (isSplit) {
+ // New window does not support splitting but we have already split events.
+ // Assign the pointer to the first foreground window we find.
+ // (May be NULL which is why we put this code block before the next check.)
+ newTouchedWindow = mTempTouchState.getFirstForegroundWindow();
+ }
+
+ // If we did not find a touched window then fail.
+ if (! newTouchedWindow) {
+ if (mFocusedApplication) {
+#if DEBUG_FOCUS
+ LOGD("Waiting because there is no touched window but there is a "
+ "focused application that may eventually add a new window: %s.",
+ getApplicationWindowLabelLocked(mFocusedApplication, NULL).string());
+#endif
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ mFocusedApplication, NULL, nextWakeupTime);
+ goto Unresponsive;
+ }
+
+ LOGI("Dropping event because there is no touched window or focused application.");
+ injectionResult = INPUT_EVENT_INJECTION_FAILED;
+ goto Failed;
+ }
+
+ // Set target flags.
+ int32_t targetFlags = InputTarget::FLAG_FOREGROUND;
+ if (isSplit) {
+ targetFlags |= InputTarget::FLAG_SPLIT;
+ }
+ if (isWindowObscuredAtPointLocked(newTouchedWindow, x, y)) {
+ targetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
+ }
+
+ // Update the temporary touch state.
+ BitSet32 pointerIds;
+ if (isSplit) {
+ uint32_t pointerId = entry->pointerIds[pointerIndex];
+ pointerIds.markBit(pointerId);
+ }
+ mTempTouchState.addOrUpdateWindow(newTouchedWindow, targetFlags, pointerIds);
+ } else {
+ /* Case 2: Pointer move, up, cancel or non-splittable pointer down. */
+
+ // If the pointer is not currently down, then ignore the event.
+ if (! mTempTouchState.down) {
+#if DEBUG_INPUT_DISPATCHER_POLICY
+ LOGD("Dropping event because the pointer is not down or we previously "
+ "dropped the pointer down event.");
+#endif
+ injectionResult = INPUT_EVENT_INJECTION_FAILED;
+ goto Failed;
+ }
+ }
+
+ // Check permission to inject into all touched foreground windows and ensure there
+ // is at least one touched foreground window.
+ {
+ bool haveForegroundWindow = false;
+ for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTempTouchState.windows[i];
+ if (touchedWindow.targetFlags & InputTarget::FLAG_FOREGROUND) {
+ haveForegroundWindow = true;
+ if (! checkInjectionPermission(touchedWindow.window, entry->injectionState)) {
+ injectionResult = INPUT_EVENT_INJECTION_PERMISSION_DENIED;
+ injectionPermission = INJECTION_PERMISSION_DENIED;
+ goto Failed;
+ }
+ }
+ }
+ if (! haveForegroundWindow) {
+#if DEBUG_INPUT_DISPATCHER_POLICY
+ LOGD("Dropping event because there is no touched foreground window to receive it.");
+#endif
+ injectionResult = INPUT_EVENT_INJECTION_FAILED;
+ goto Failed;
+ }
+
+ // Permission granted to injection into all touched foreground windows.
+ injectionPermission = INJECTION_PERMISSION_GRANTED;
+ }
+
+ // Ensure all touched foreground windows are ready for new input.
+ for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTempTouchState.windows[i];
+ if (touchedWindow.targetFlags & InputTarget::FLAG_FOREGROUND) {
+ // If the touched window is paused then keep waiting.
+ if (touchedWindow.window->paused) {
+#if DEBUG_INPUT_DISPATCHER_POLICY
+ LOGD("Waiting because touched window is paused.");
+#endif
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ NULL, touchedWindow.window, nextWakeupTime);
+ goto Unresponsive;
+ }
+
+ // If the touched window is still working on previous events then keep waiting.
+ if (! isWindowFinishedWithPreviousInputLocked(touchedWindow.window)) {
+#if DEBUG_FOCUS
+ LOGD("Waiting because touched window still processing previous input.");
+#endif
+ injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
+ NULL, touchedWindow.window, nextWakeupTime);
+ goto Unresponsive;
+ }
+ }
+ }
+
+ // If this is the first pointer going down and the touched window has a wallpaper
+ // then also add the touched wallpaper windows so they are locked in for the duration
+ // of the touch gesture.
+ if (maskedAction == AMOTION_EVENT_ACTION_DOWN) {
+ const InputWindow* foregroundWindow = mTempTouchState.getFirstForegroundWindow();
+ if (foregroundWindow->hasWallpaper) {
+ for (size_t i = 0; i < mWindows.size(); i++) {
+ const InputWindow* window = & mWindows[i];
+ if (window->layoutParamsType == InputWindow::TYPE_WALLPAPER) {
+ mTempTouchState.addOrUpdateWindow(window,
+ InputTarget::FLAG_WINDOW_IS_OBSCURED, BitSet32(0));
+ }
+ }
+ }
+ }
+
+ // Success! Output targets.
+ injectionResult = INPUT_EVENT_INJECTION_SUCCEEDED;
+
+ for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTempTouchState.windows.itemAt(i);
+ addWindowTargetLocked(touchedWindow.window, touchedWindow.targetFlags,
+ touchedWindow.pointerIds);
+ }
+
+ // Drop the outside touch window since we will not care about them in the next iteration.
+ mTempTouchState.removeOutsideTouchWindows();
+
+Failed:
+ // Check injection permission once and for all.
+ if (injectionPermission == INJECTION_PERMISSION_UNKNOWN) {
+ if (checkInjectionPermission(NULL, entry->injectionState)) {
+ injectionPermission = INJECTION_PERMISSION_GRANTED;
+ } else {
+ injectionPermission = INJECTION_PERMISSION_DENIED;
+ }
+ }
+
+ // Update final pieces of touch state if the injector had permission.
+ if (injectionPermission == INJECTION_PERMISSION_GRANTED) {
+ if (maskedAction == AMOTION_EVENT_ACTION_UP
+ || maskedAction == AMOTION_EVENT_ACTION_CANCEL) {
+ // All pointers up or canceled.
+ mTempTouchState.reset();
+ } else if (maskedAction == AMOTION_EVENT_ACTION_DOWN) {
+ // First pointer went down.
+ if (mTouchState.down) {
+#if DEBUG_FOCUS
+ LOGD("Pointer down received while already down.");
+#endif
+ }
+ } else if (maskedAction == AMOTION_EVENT_ACTION_POINTER_UP) {
+ // One pointer went up.
+ if (isSplit) {
+ int32_t pointerIndex = getMotionEventActionPointerIndex(action);
+ uint32_t pointerId = entry->pointerIds[pointerIndex];
+
+ for (size_t i = 0; i < mTempTouchState.windows.size(); ) {
+ TouchedWindow& touchedWindow = mTempTouchState.windows.editItemAt(i);
+ if (touchedWindow.targetFlags & InputTarget::FLAG_SPLIT) {
+ touchedWindow.pointerIds.clearBit(pointerId);
+ if (touchedWindow.pointerIds.isEmpty()) {
+ mTempTouchState.windows.removeAt(i);
+ continue;
+ }
+ }
+ i += 1;
+ }
+ }
+ }
+
+ // Save changes to touch state.
+ mTouchState.copyFrom(mTempTouchState);
+ } else {
+#if DEBUG_FOCUS
+ LOGD("Not updating touch focus because injection was denied.");
+#endif
+ }
+
+Unresponsive:
+ // Reset temporary touch state to ensure we release unnecessary references to input channels.
+ mTempTouchState.reset();
+
+ nsecs_t timeSpentWaitingForApplication = getTimeSpentWaitingForApplicationLocked(currentTime);
+ updateDispatchStatisticsLocked(currentTime, entry,
+ injectionResult, timeSpentWaitingForApplication);
+#if DEBUG_FOCUS
+ LOGD("findTouchedWindow finished: injectionResult=%d, injectionPermission=%d, "
+ "timeSpentWaitingForApplication=%0.1fms",
+ injectionResult, injectionPermission, timeSpentWaitingForApplication / 1000000.0);
+#endif
+ return injectionResult;
+}
+
+void InputDispatcher::addWindowTargetLocked(const InputWindow* window, int32_t targetFlags,
+ BitSet32 pointerIds) {
+ mCurrentInputTargets.push();
+
+ InputTarget& target = mCurrentInputTargets.editTop();
+ target.inputChannel = window->inputChannel;
+ target.flags = targetFlags;
+ target.xOffset = - window->frameLeft;
+ target.yOffset = - window->frameTop;
+ target.pointerIds = pointerIds;
+}
+
+void InputDispatcher::addMonitoringTargetsLocked() {
+ for (size_t i = 0; i < mMonitoringChannels.size(); i++) {
+ mCurrentInputTargets.push();
+
+ InputTarget& target = mCurrentInputTargets.editTop();
+ target.inputChannel = mMonitoringChannels[i];
+ target.flags = 0;
+ target.xOffset = 0;
+ target.yOffset = 0;
+ }
+}
+
+bool InputDispatcher::checkInjectionPermission(const InputWindow* window,
+ const InjectionState* injectionState) {
+ if (injectionState
+ && (window == NULL || window->ownerUid != injectionState->injectorUid)
+ && !hasInjectionPermission(injectionState->injectorPid, injectionState->injectorUid)) {
+ if (window) {
+ LOGW("Permission denied: injecting event from pid %d uid %d to window "
+ "with input channel %s owned by uid %d",
+ injectionState->injectorPid, injectionState->injectorUid,
+ window->inputChannel->getName().string(),
+ window->ownerUid);
+ } else {
+ LOGW("Permission denied: injecting event from pid %d uid %d",
+ injectionState->injectorPid, injectionState->injectorUid);
+ }
+ return false;
+ }
+ return true;
+}
+
+bool InputDispatcher::isWindowObscuredAtPointLocked(
+ const InputWindow* window, int32_t x, int32_t y) const {
+ size_t numWindows = mWindows.size();
+ for (size_t i = 0; i < numWindows; i++) {
+ const InputWindow* other = & mWindows.itemAt(i);
+ if (other == window) {
+ break;
+ }
+ if (other->visible && ! other->isTrustedOverlay() && other->frameContainsPoint(x, y)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool InputDispatcher::isWindowFinishedWithPreviousInputLocked(const InputWindow* window) {
+ ssize_t connectionIndex = getConnectionIndexLocked(window->inputChannel);
+ if (connectionIndex >= 0) {
+ sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+ return connection->outboundQueue.isEmpty();
+ } else {
+ return true;
+ }
+}
+
+String8 InputDispatcher::getApplicationWindowLabelLocked(const InputApplication* application,
+ const InputWindow* window) {
+ if (application) {
+ if (window) {
+ String8 label(application->name);
+ label.append(" - ");
+ label.append(window->name);
+ return label;
+ } else {
+ return application->name;
+ }
+ } else if (window) {
+ return window->name;
+ } else {
+ return String8("<unknown application or window>");
+ }
+}
+
+void InputDispatcher::pokeUserActivityLocked(const EventEntry* eventEntry) {
+ int32_t eventType = POWER_MANAGER_BUTTON_EVENT;
+ switch (eventEntry->type) {
+ case EventEntry::TYPE_MOTION: {
+ const MotionEntry* motionEntry = static_cast<const MotionEntry*>(eventEntry);
+ if (motionEntry->action == AMOTION_EVENT_ACTION_CANCEL) {
+ return;
+ }
+
+ if (motionEntry->source & AINPUT_SOURCE_CLASS_POINTER) {
+ eventType = POWER_MANAGER_TOUCH_EVENT;
+ }
+ break;
+ }
+ case EventEntry::TYPE_KEY: {
+ const KeyEntry* keyEntry = static_cast<const KeyEntry*>(eventEntry);
+ if (keyEntry->flags & AKEY_EVENT_FLAG_CANCELED) {
+ return;
+ }
+ break;
+ }
+ }
+
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doPokeUserActivityLockedInterruptible);
+ commandEntry->eventTime = eventEntry->eventTime;
+ commandEntry->userActivityEventType = eventType;
+}
+
+void InputDispatcher::prepareDispatchCycleLocked(nsecs_t currentTime,
+ const sp<Connection>& connection, EventEntry* eventEntry, const InputTarget* inputTarget,
+ bool resumeWithAppendedMotionSample) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ prepareDispatchCycle - flags=%d, "
+ "xOffset=%f, yOffset=%f, "
+ "pointerIds=0x%x, "
+ "resumeWithAppendedMotionSample=%s",
+ connection->getInputChannelName(), inputTarget->flags,
+ inputTarget->xOffset, inputTarget->yOffset,
+ inputTarget->pointerIds.value,
+ toString(resumeWithAppendedMotionSample));
+#endif
+
+ // Make sure we are never called for streaming when splitting across multiple windows.
+ bool isSplit = inputTarget->flags & InputTarget::FLAG_SPLIT;
+ assert(! (resumeWithAppendedMotionSample && isSplit));
+
+ // Skip this event if the connection status is not normal.
+ // We don't want to enqueue additional outbound events if the connection is broken.
+ if (connection->status != Connection::STATUS_NORMAL) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ Dropping event because the channel status is %s",
+ connection->getInputChannelName(), connection->getStatusLabel());
+#endif
+ return;
+ }
+
+ // Split a motion event if needed.
+ if (isSplit) {
+ assert(eventEntry->type == EventEntry::TYPE_MOTION);
+
+ MotionEntry* originalMotionEntry = static_cast<MotionEntry*>(eventEntry);
+ if (inputTarget->pointerIds.count() != originalMotionEntry->pointerCount) {
+ MotionEntry* splitMotionEntry = splitMotionEvent(
+ originalMotionEntry, inputTarget->pointerIds);
+#if DEBUG_FOCUS
+ LOGD("channel '%s' ~ Split motion event.",
+ connection->getInputChannelName());
+ logOutboundMotionDetailsLocked(" ", splitMotionEntry);
+#endif
+ eventEntry = splitMotionEntry;
+ }
+ }
+
+ // Resume the dispatch cycle with a freshly appended motion sample.
+ // First we check that the last dispatch entry in the outbound queue is for the same
+ // motion event to which we appended the motion sample. If we find such a dispatch
+ // entry, and if it is currently in progress then we try to stream the new sample.
+ bool wasEmpty = connection->outboundQueue.isEmpty();
+
+ if (! wasEmpty && resumeWithAppendedMotionSample) {
+ DispatchEntry* motionEventDispatchEntry =
+ connection->findQueuedDispatchEntryForEvent(eventEntry);
+ if (motionEventDispatchEntry) {
+ // If the dispatch entry is not in progress, then we must be busy dispatching an
+ // earlier event. Not a problem, the motion event is on the outbound queue and will
+ // be dispatched later.
+ if (! motionEventDispatchEntry->inProgress) {
+#if DEBUG_BATCHING
+ LOGD("channel '%s' ~ Not streaming because the motion event has "
+ "not yet been dispatched. "
+ "(Waiting for earlier events to be consumed.)",
+ connection->getInputChannelName());
+#endif
+ return;
+ }
+
+ // If the dispatch entry is in progress but it already has a tail of pending
+ // motion samples, then it must mean that the shared memory buffer filled up.
+ // Not a problem, when this dispatch cycle is finished, we will eventually start
+ // a new dispatch cycle to process the tail and that tail includes the newly
+ // appended motion sample.
+ if (motionEventDispatchEntry->tailMotionSample) {
+#if DEBUG_BATCHING
+ LOGD("channel '%s' ~ Not streaming because no new samples can "
+ "be appended to the motion event in this dispatch cycle. "
+ "(Waiting for next dispatch cycle to start.)",
+ connection->getInputChannelName());
+#endif
+ return;
+ }
+
+ // The dispatch entry is in progress and is still potentially open for streaming.
+ // Try to stream the new motion sample. This might fail if the consumer has already
+ // consumed the motion event (or if the channel is broken).
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(eventEntry);
+ MotionSample* appendedMotionSample = motionEntry->lastSample;
+ status_t status = connection->inputPublisher.appendMotionSample(
+ appendedMotionSample->eventTime, appendedMotionSample->pointerCoords);
+ if (status == OK) {
+#if DEBUG_BATCHING
+ LOGD("channel '%s' ~ Successfully streamed new motion sample.",
+ connection->getInputChannelName());
+#endif
+ return;
+ }
+
+#if DEBUG_BATCHING
+ if (status == NO_MEMORY) {
+ LOGD("channel '%s' ~ Could not append motion sample to currently "
+ "dispatched move event because the shared memory buffer is full. "
+ "(Waiting for next dispatch cycle to start.)",
+ connection->getInputChannelName());
+ } else if (status == status_t(FAILED_TRANSACTION)) {
+ LOGD("channel '%s' ~ Could not append motion sample to currently "
+ "dispatched move event because the event has already been consumed. "
+ "(Waiting for next dispatch cycle to start.)",
+ connection->getInputChannelName());
+ } else {
+ LOGD("channel '%s' ~ Could not append motion sample to currently "
+ "dispatched move event due to an error, status=%d. "
+ "(Waiting for next dispatch cycle to start.)",
+ connection->getInputChannelName(), status);
+ }
+#endif
+ // Failed to stream. Start a new tail of pending motion samples to dispatch
+ // in the next cycle.
+ motionEventDispatchEntry->tailMotionSample = appendedMotionSample;
+ return;
+ }
+ }
+
+ // This is a new event.
+ // Enqueue a new dispatch entry onto the outbound queue for this connection.
+ DispatchEntry* dispatchEntry = mAllocator.obtainDispatchEntry(eventEntry, // increments ref
+ inputTarget->flags, inputTarget->xOffset, inputTarget->yOffset);
+ if (dispatchEntry->hasForegroundTarget()) {
+ incrementPendingForegroundDispatchesLocked(eventEntry);
+ }
+
+ // Handle the case where we could not stream a new motion sample because the consumer has
+ // already consumed the motion event (otherwise the corresponding dispatch entry would
+ // still be in the outbound queue for this connection). We set the head motion sample
+ // to the list starting with the newly appended motion sample.
+ if (resumeWithAppendedMotionSample) {
+#if DEBUG_BATCHING
+ LOGD("channel '%s' ~ Preparing a new dispatch cycle for additional motion samples "
+ "that cannot be streamed because the motion event has already been consumed.",
+ connection->getInputChannelName());
+#endif
+ MotionSample* appendedMotionSample = static_cast<MotionEntry*>(eventEntry)->lastSample;
+ dispatchEntry->headMotionSample = appendedMotionSample;
+ }
+
+ // Enqueue the dispatch entry.
+ connection->outboundQueue.enqueueAtTail(dispatchEntry);
+
+ // If the outbound queue was previously empty, start the dispatch cycle going.
+ if (wasEmpty) {
+ activateConnectionLocked(connection.get());
+ startDispatchCycleLocked(currentTime, connection);
+ }
+}
+
+void InputDispatcher::startDispatchCycleLocked(nsecs_t currentTime,
+ const sp<Connection>& connection) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ startDispatchCycle",
+ connection->getInputChannelName());
+#endif
+
+ assert(connection->status == Connection::STATUS_NORMAL);
+ assert(! connection->outboundQueue.isEmpty());
+
+ DispatchEntry* dispatchEntry = connection->outboundQueue.headSentinel.next;
+ assert(! dispatchEntry->inProgress);
+
+ // Mark the dispatch entry as in progress.
+ dispatchEntry->inProgress = true;
+
+ // Update the connection's input state.
+ EventEntry* eventEntry = dispatchEntry->eventEntry;
+ InputState::Consistency consistency = connection->inputState.trackEvent(eventEntry);
+
+#if FILTER_INPUT_EVENTS
+ // Filter out inconsistent sequences of input events.
+ // The input system may drop or inject events in a way that could violate implicit
+ // invariants on input state and potentially cause an application to crash
+ // or think that a key or pointer is stuck down. Technically we make no guarantees
+ // of consistency but it would be nice to improve on this where possible.
+ // XXX: This code is a proof of concept only. Not ready for prime time.
+ if (consistency == InputState::TOLERABLE) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ Sending an event that is inconsistent with the connection's "
+ "current input state but that is likely to be tolerated by the application.",
+ connection->getInputChannelName());
+#endif
+ } else if (consistency == InputState::BROKEN) {
+ LOGI("channel '%s' ~ Dropping an event that is inconsistent with the connection's "
+ "current input state and that is likely to cause the application to crash.",
+ connection->getInputChannelName());
+ startNextDispatchCycleLocked(currentTime, connection);
+ return;
+ }
+#endif
+
+ // Publish the event.
+ status_t status;
+ switch (eventEntry->type) {
+ case EventEntry::TYPE_KEY: {
+ KeyEntry* keyEntry = static_cast<KeyEntry*>(eventEntry);
+
+ // Apply target flags.
+ int32_t action = keyEntry->action;
+ int32_t flags = keyEntry->flags;
+
+ // Publish the key event.
+ status = connection->inputPublisher.publishKeyEvent(keyEntry->deviceId, keyEntry->source,
+ action, flags, keyEntry->keyCode, keyEntry->scanCode,
+ keyEntry->metaState, keyEntry->repeatCount, keyEntry->downTime,
+ keyEntry->eventTime);
+
+ if (status) {
+ LOGE("channel '%s' ~ Could not publish key event, "
+ "status=%d", connection->getInputChannelName(), status);
+ abortBrokenDispatchCycleLocked(currentTime, connection);
+ return;
+ }
+ break;
+ }
+
+ case EventEntry::TYPE_MOTION: {
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(eventEntry);
+
+ // Apply target flags.
+ int32_t action = motionEntry->action;
+ int32_t flags = motionEntry->flags;
+ if (dispatchEntry->targetFlags & InputTarget::FLAG_OUTSIDE) {
+ action = AMOTION_EVENT_ACTION_OUTSIDE;
+ }
+ if (dispatchEntry->targetFlags & InputTarget::FLAG_WINDOW_IS_OBSCURED) {
+ flags |= AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
+ }
+
+ // If headMotionSample is non-NULL, then it points to the first new sample that we
+ // were unable to dispatch during the previous cycle so we resume dispatching from
+ // that point in the list of motion samples.
+ // Otherwise, we just start from the first sample of the motion event.
+ MotionSample* firstMotionSample = dispatchEntry->headMotionSample;
+ if (! firstMotionSample) {
+ firstMotionSample = & motionEntry->firstSample;
+ }
+
+ // Set the X and Y offset depending on the input source.
+ float xOffset, yOffset;
+ if (motionEntry->source & AINPUT_SOURCE_CLASS_POINTER) {
+ xOffset = dispatchEntry->xOffset;
+ yOffset = dispatchEntry->yOffset;
+ } else {
+ xOffset = 0.0f;
+ yOffset = 0.0f;
+ }
+
+ // Publish the motion event and the first motion sample.
+ status = connection->inputPublisher.publishMotionEvent(motionEntry->deviceId,
+ motionEntry->source, action, flags, motionEntry->edgeFlags, motionEntry->metaState,
+ xOffset, yOffset,
+ motionEntry->xPrecision, motionEntry->yPrecision,
+ motionEntry->downTime, firstMotionSample->eventTime,
+ motionEntry->pointerCount, motionEntry->pointerIds,
+ firstMotionSample->pointerCoords);
+
+ if (status) {
+ LOGE("channel '%s' ~ Could not publish motion event, "
+ "status=%d", connection->getInputChannelName(), status);
+ abortBrokenDispatchCycleLocked(currentTime, connection);
+ return;
+ }
+
+ // Append additional motion samples.
+ MotionSample* nextMotionSample = firstMotionSample->next;
+ for (; nextMotionSample != NULL; nextMotionSample = nextMotionSample->next) {
+ status = connection->inputPublisher.appendMotionSample(
+ nextMotionSample->eventTime, nextMotionSample->pointerCoords);
+ if (status == NO_MEMORY) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ Shared memory buffer full. Some motion samples will "
+ "be sent in the next dispatch cycle.",
+ connection->getInputChannelName());
+#endif
+ break;
+ }
+ if (status != OK) {
+ LOGE("channel '%s' ~ Could not append motion sample "
+ "for a reason other than out of memory, status=%d",
+ connection->getInputChannelName(), status);
+ abortBrokenDispatchCycleLocked(currentTime, connection);
+ return;
+ }
+ }
+
+ // Remember the next motion sample that we could not dispatch, in case we ran out
+ // of space in the shared memory buffer.
+ dispatchEntry->tailMotionSample = nextMotionSample;
+ break;
+ }
+
+ default: {
+ assert(false);
+ }
+ }
+
+ // Send the dispatch signal.
+ status = connection->inputPublisher.sendDispatchSignal();
+ if (status) {
+ LOGE("channel '%s' ~ Could not send dispatch signal, status=%d",
+ connection->getInputChannelName(), status);
+ abortBrokenDispatchCycleLocked(currentTime, connection);
+ return;
+ }
+
+ // Record information about the newly started dispatch cycle.
+ connection->lastEventTime = eventEntry->eventTime;
+ connection->lastDispatchTime = currentTime;
+
+ // Notify other system components.
+ onDispatchCycleStartedLocked(currentTime, connection);
+}
+
+void InputDispatcher::finishDispatchCycleLocked(nsecs_t currentTime,
+ const sp<Connection>& connection, bool handled) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ finishDispatchCycle - %01.1fms since event, "
+ "%01.1fms since dispatch, handled=%s",
+ connection->getInputChannelName(),
+ connection->getEventLatencyMillis(currentTime),
+ connection->getDispatchLatencyMillis(currentTime),
+ toString(handled));
+#endif
+
+ if (connection->status == Connection::STATUS_BROKEN
+ || connection->status == Connection::STATUS_ZOMBIE) {
+ return;
+ }
+
+ // Reset the publisher since the event has been consumed.
+ // We do this now so that the publisher can release some of its internal resources
+ // while waiting for the next dispatch cycle to begin.
+ status_t status = connection->inputPublisher.reset();
+ if (status) {
+ LOGE("channel '%s' ~ Could not reset publisher, status=%d",
+ connection->getInputChannelName(), status);
+ abortBrokenDispatchCycleLocked(currentTime, connection);
+ return;
+ }
+
+ // Notify other system components and prepare to start the next dispatch cycle.
+ onDispatchCycleFinishedLocked(currentTime, connection, handled);
+}
+
+void InputDispatcher::startNextDispatchCycleLocked(nsecs_t currentTime,
+ const sp<Connection>& connection) {
+ // Start the next dispatch cycle for this connection.
+ while (! connection->outboundQueue.isEmpty()) {
+ DispatchEntry* dispatchEntry = connection->outboundQueue.headSentinel.next;
+ if (dispatchEntry->inProgress) {
+ // Finish or resume current event in progress.
+ if (dispatchEntry->tailMotionSample) {
+ // We have a tail of undispatched motion samples.
+ // Reuse the same DispatchEntry and start a new cycle.
+ dispatchEntry->inProgress = false;
+ dispatchEntry->headMotionSample = dispatchEntry->tailMotionSample;
+ dispatchEntry->tailMotionSample = NULL;
+ startDispatchCycleLocked(currentTime, connection);
+ return;
+ }
+ // Finished.
+ connection->outboundQueue.dequeueAtHead();
+ if (dispatchEntry->hasForegroundTarget()) {
+ decrementPendingForegroundDispatchesLocked(dispatchEntry->eventEntry);
+ }
+ mAllocator.releaseDispatchEntry(dispatchEntry);
+ } else {
+ // If the head is not in progress, then we must have already dequeued the in
+ // progress event, which means we actually aborted it.
+ // So just start the next event for this connection.
+ startDispatchCycleLocked(currentTime, connection);
+ return;
+ }
+ }
+
+ // Outbound queue is empty, deactivate the connection.
+ deactivateConnectionLocked(connection.get());
+}
+
+void InputDispatcher::abortBrokenDispatchCycleLocked(nsecs_t currentTime,
+ const sp<Connection>& connection) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ abortBrokenDispatchCycle",
+ connection->getInputChannelName());
+#endif
+
+ // Clear the outbound queue.
+ drainOutboundQueueLocked(connection.get());
+
+ // The connection appears to be unrecoverably broken.
+ // Ignore already broken or zombie connections.
+ if (connection->status == Connection::STATUS_NORMAL) {
+ connection->status = Connection::STATUS_BROKEN;
+
+ // Notify other system components.
+ onDispatchCycleBrokenLocked(currentTime, connection);
+ }
+}
+
+void InputDispatcher::drainOutboundQueueLocked(Connection* connection) {
+ while (! connection->outboundQueue.isEmpty()) {
+ DispatchEntry* dispatchEntry = connection->outboundQueue.dequeueAtHead();
+ if (dispatchEntry->hasForegroundTarget()) {
+ decrementPendingForegroundDispatchesLocked(dispatchEntry->eventEntry);
+ }
+ mAllocator.releaseDispatchEntry(dispatchEntry);
+ }
+
+ deactivateConnectionLocked(connection);
+}
+
+int InputDispatcher::handleReceiveCallback(int receiveFd, int events, void* data) {
+ InputDispatcher* d = static_cast<InputDispatcher*>(data);
+
+ { // acquire lock
+ AutoMutex _l(d->mLock);
+
+ ssize_t connectionIndex = d->mConnectionsByReceiveFd.indexOfKey(receiveFd);
+ if (connectionIndex < 0) {
+ LOGE("Received spurious receive callback for unknown input channel. "
+ "fd=%d, events=0x%x", receiveFd, events);
+ return 0; // remove the callback
+ }
+
+ nsecs_t currentTime = now();
+
+ sp<Connection> connection = d->mConnectionsByReceiveFd.valueAt(connectionIndex);
+ if (events & (ALOOPER_EVENT_ERROR | ALOOPER_EVENT_HANGUP)) {
+ LOGE("channel '%s' ~ Consumer closed input channel or an error occurred. "
+ "events=0x%x", connection->getInputChannelName(), events);
+ d->abortBrokenDispatchCycleLocked(currentTime, connection);
+ d->runCommandsLockedInterruptible();
+ return 0; // remove the callback
+ }
+
+ if (! (events & ALOOPER_EVENT_INPUT)) {
+ LOGW("channel '%s' ~ Received spurious callback for unhandled poll event. "
+ "events=0x%x", connection->getInputChannelName(), events);
+ return 1;
+ }
+
+ bool handled = false;
+ status_t status = connection->inputPublisher.receiveFinishedSignal(&handled);
+ if (status) {
+ LOGE("channel '%s' ~ Failed to receive finished signal. status=%d",
+ connection->getInputChannelName(), status);
+ d->abortBrokenDispatchCycleLocked(currentTime, connection);
+ d->runCommandsLockedInterruptible();
+ return 0; // remove the callback
+ }
+
+ d->finishDispatchCycleLocked(currentTime, connection, handled);
+ d->runCommandsLockedInterruptible();
+ return 1;
+ } // release lock
+}
+
+void InputDispatcher::synthesizeCancelationEventsForAllConnectionsLocked(
+ InputState::CancelationOptions options, const char* reason) {
+ for (size_t i = 0; i < mConnectionsByReceiveFd.size(); i++) {
+ synthesizeCancelationEventsForConnectionLocked(
+ mConnectionsByReceiveFd.valueAt(i), options, reason);
+ }
+}
+
+void InputDispatcher::synthesizeCancelationEventsForInputChannelLocked(
+ const sp<InputChannel>& channel, InputState::CancelationOptions options,
+ const char* reason) {
+ ssize_t index = getConnectionIndexLocked(channel);
+ if (index >= 0) {
+ synthesizeCancelationEventsForConnectionLocked(
+ mConnectionsByReceiveFd.valueAt(index), options, reason);
+ }
+}
+
+void InputDispatcher::synthesizeCancelationEventsForConnectionLocked(
+ const sp<Connection>& connection, InputState::CancelationOptions options,
+ const char* reason) {
+ nsecs_t currentTime = now();
+
+ mTempCancelationEvents.clear();
+ connection->inputState.synthesizeCancelationEvents(currentTime, & mAllocator,
+ mTempCancelationEvents, options);
+
+ if (! mTempCancelationEvents.isEmpty()
+ && connection->status != Connection::STATUS_BROKEN) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ LOGD("channel '%s' ~ Synthesized %d cancelation events to bring channel back in sync "
+ "with reality: %s, options=%d.",
+ connection->getInputChannelName(), mTempCancelationEvents.size(), reason, options);
+#endif
+ for (size_t i = 0; i < mTempCancelationEvents.size(); i++) {
+ EventEntry* cancelationEventEntry = mTempCancelationEvents.itemAt(i);
+ switch (cancelationEventEntry->type) {
+ case EventEntry::TYPE_KEY:
+ logOutboundKeyDetailsLocked("cancel - ",
+ static_cast<KeyEntry*>(cancelationEventEntry));
+ break;
+ case EventEntry::TYPE_MOTION:
+ logOutboundMotionDetailsLocked("cancel - ",
+ static_cast<MotionEntry*>(cancelationEventEntry));
+ break;
+ }
+
+ int32_t xOffset, yOffset;
+ const InputWindow* window = getWindowLocked(connection->inputChannel);
+ if (window) {
+ xOffset = -window->frameLeft;
+ yOffset = -window->frameTop;
+ } else {
+ xOffset = 0;
+ yOffset = 0;
+ }
+
+ DispatchEntry* cancelationDispatchEntry =
+ mAllocator.obtainDispatchEntry(cancelationEventEntry, // increments ref
+ 0, xOffset, yOffset);
+ connection->outboundQueue.enqueueAtTail(cancelationDispatchEntry);
+
+ mAllocator.releaseEventEntry(cancelationEventEntry);
+ }
+
+ if (!connection->outboundQueue.headSentinel.next->inProgress) {
+ startDispatchCycleLocked(currentTime, connection);
+ }
+ }
+}
+
+InputDispatcher::MotionEntry*
+InputDispatcher::splitMotionEvent(const MotionEntry* originalMotionEntry, BitSet32 pointerIds) {
+ assert(pointerIds.value != 0);
+
+ uint32_t splitPointerIndexMap[MAX_POINTERS];
+ int32_t splitPointerIds[MAX_POINTERS];
+ PointerCoords splitPointerCoords[MAX_POINTERS];
+
+ uint32_t originalPointerCount = originalMotionEntry->pointerCount;
+ uint32_t splitPointerCount = 0;
+
+ for (uint32_t originalPointerIndex = 0; originalPointerIndex < originalPointerCount;
+ originalPointerIndex++) {
+ int32_t pointerId = uint32_t(originalMotionEntry->pointerIds[originalPointerIndex]);
+ if (pointerIds.hasBit(pointerId)) {
+ splitPointerIndexMap[splitPointerCount] = originalPointerIndex;
+ splitPointerIds[splitPointerCount] = pointerId;
+ splitPointerCoords[splitPointerCount] =
+ originalMotionEntry->firstSample.pointerCoords[originalPointerIndex];
+ splitPointerCount += 1;
+ }
+ }
+ assert(splitPointerCount == pointerIds.count());
+
+ int32_t action = originalMotionEntry->action;
+ int32_t maskedAction = action & AMOTION_EVENT_ACTION_MASK;
+ if (maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN
+ || maskedAction == AMOTION_EVENT_ACTION_POINTER_UP) {
+ int32_t originalPointerIndex = getMotionEventActionPointerIndex(action);
+ int32_t pointerId = originalMotionEntry->pointerIds[originalPointerIndex];
+ if (pointerIds.hasBit(pointerId)) {
+ if (pointerIds.count() == 1) {
+ // The first/last pointer went down/up.
+ action = maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN
+ ? AMOTION_EVENT_ACTION_DOWN : AMOTION_EVENT_ACTION_UP;
+ } else {
+ // A secondary pointer went down/up.
+ uint32_t splitPointerIndex = 0;
+ while (pointerId != splitPointerIds[splitPointerIndex]) {
+ splitPointerIndex += 1;
+ }
+ action = maskedAction | (splitPointerIndex
+ << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+ }
+ } else {
+ // An unrelated pointer changed.
+ action = AMOTION_EVENT_ACTION_MOVE;
+ }
+ }
+
+ MotionEntry* splitMotionEntry = mAllocator.obtainMotionEntry(
+ originalMotionEntry->eventTime,
+ originalMotionEntry->deviceId,
+ originalMotionEntry->source,
+ originalMotionEntry->policyFlags,
+ action,
+ originalMotionEntry->flags,
+ originalMotionEntry->metaState,
+ originalMotionEntry->edgeFlags,
+ originalMotionEntry->xPrecision,
+ originalMotionEntry->yPrecision,
+ originalMotionEntry->downTime,
+ splitPointerCount, splitPointerIds, splitPointerCoords);
+
+ for (MotionSample* originalMotionSample = originalMotionEntry->firstSample.next;
+ originalMotionSample != NULL; originalMotionSample = originalMotionSample->next) {
+ for (uint32_t splitPointerIndex = 0; splitPointerIndex < splitPointerCount;
+ splitPointerIndex++) {
+ uint32_t originalPointerIndex = splitPointerIndexMap[splitPointerIndex];
+ splitPointerCoords[splitPointerIndex] =
+ originalMotionSample->pointerCoords[originalPointerIndex];
+ }
+
+ mAllocator.appendMotionSample(splitMotionEntry, originalMotionSample->eventTime,
+ splitPointerCoords);
+ }
+
+ return splitMotionEntry;
+}
+
+void InputDispatcher::notifyConfigurationChanged(nsecs_t eventTime) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("notifyConfigurationChanged - eventTime=%lld", eventTime);
+#endif
+
+ bool needWake;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ ConfigurationChangedEntry* newEntry = mAllocator.obtainConfigurationChangedEntry(eventTime);
+ needWake = enqueueInboundEventLocked(newEntry);
+ } // release lock
+
+ if (needWake) {
+ mLooper->wake();
+ }
+}
+
+void InputDispatcher::notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t source,
+ uint32_t policyFlags, int32_t action, int32_t flags,
+ int32_t keyCode, int32_t scanCode, int32_t metaState, nsecs_t downTime) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("notifyKey - eventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, action=0x%x, "
+ "flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, downTime=%lld",
+ eventTime, deviceId, source, policyFlags, action, flags,
+ keyCode, scanCode, metaState, downTime);
+#endif
+ if (! validateKeyEvent(action)) {
+ return;
+ }
+
+ if ((policyFlags & POLICY_FLAG_VIRTUAL) || (flags & AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY)) {
+ policyFlags |= POLICY_FLAG_VIRTUAL;
+ flags |= AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY;
+ }
+
+ policyFlags |= POLICY_FLAG_TRUSTED;
+
+ KeyEvent event;
+ event.initialize(deviceId, source, action, flags, keyCode, scanCode,
+ metaState, 0, downTime, eventTime);
+
+ mPolicy->interceptKeyBeforeQueueing(&event, /*byref*/ policyFlags);
+
+ if (policyFlags & POLICY_FLAG_WOKE_HERE) {
+ flags |= AKEY_EVENT_FLAG_WOKE_HERE;
+ }
+
+ bool needWake;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ int32_t repeatCount = 0;
+ KeyEntry* newEntry = mAllocator.obtainKeyEntry(eventTime,
+ deviceId, source, policyFlags, action, flags, keyCode, scanCode,
+ metaState, repeatCount, downTime);
+
+ needWake = enqueueInboundEventLocked(newEntry);
+ } // release lock
+
+ if (needWake) {
+ mLooper->wake();
+ }
+}
+
+void InputDispatcher::notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
+ uint32_t policyFlags, int32_t action, int32_t flags, int32_t metaState, int32_t edgeFlags,
+ uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
+ float xPrecision, float yPrecision, nsecs_t downTime) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("notifyMotion - eventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, "
+ "action=0x%x, flags=0x%x, metaState=0x%x, edgeFlags=0x%x, "
+ "xPrecision=%f, yPrecision=%f, downTime=%lld",
+ eventTime, deviceId, source, policyFlags, action, flags, metaState, edgeFlags,
+ xPrecision, yPrecision, downTime);
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ LOGD(" Pointer %d: id=%d, x=%f, y=%f, pressure=%f, size=%f, "
+ "touchMajor=%f, touchMinor=%f, toolMajor=%f, toolMinor=%f, "
+ "orientation=%f",
+ i, pointerIds[i], pointerCoords[i].x, pointerCoords[i].y,
+ pointerCoords[i].pressure, pointerCoords[i].size,
+ pointerCoords[i].touchMajor, pointerCoords[i].touchMinor,
+ pointerCoords[i].toolMajor, pointerCoords[i].toolMinor,
+ pointerCoords[i].orientation);
+ }
+#endif
+ if (! validateMotionEvent(action, pointerCount, pointerIds)) {
+ return;
+ }
+
+ policyFlags |= POLICY_FLAG_TRUSTED;
+ mPolicy->interceptGenericBeforeQueueing(eventTime, /*byref*/ policyFlags);
+
+ bool needWake;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ // Attempt batching and streaming of move events.
+ if (action == AMOTION_EVENT_ACTION_MOVE) {
+ // BATCHING CASE
+ //
+ // Try to append a move sample to the tail of the inbound queue for this device.
+ // Give up if we encounter a non-move motion event for this device since that
+ // means we cannot append any new samples until a new motion event has started.
+ for (EventEntry* entry = mInboundQueue.tailSentinel.prev;
+ entry != & mInboundQueue.headSentinel; entry = entry->prev) {
+ if (entry->type != EventEntry::TYPE_MOTION) {
+ // Keep looking for motion events.
+ continue;
+ }
+
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(entry);
+ if (motionEntry->deviceId != deviceId) {
+ // Keep looking for this device.
+ continue;
+ }
+
+ if (motionEntry->action != AMOTION_EVENT_ACTION_MOVE
+ || motionEntry->pointerCount != pointerCount
+ || motionEntry->isInjected()) {
+ // Last motion event in the queue for this device is not compatible for
+ // appending new samples. Stop here.
+ goto NoBatchingOrStreaming;
+ }
+
+ // The last motion event is a move and is compatible for appending.
+ // Do the batching magic.
+ mAllocator.appendMotionSample(motionEntry, eventTime, pointerCoords);
+#if DEBUG_BATCHING
+ LOGD("Appended motion sample onto batch for most recent "
+ "motion event for this device in the inbound queue.");
+#endif
+ return; // done!
+ }
+
+ // STREAMING CASE
+ //
+ // There is no pending motion event (of any kind) for this device in the inbound queue.
+ // Search the outbound queue for the current foreground targets to find a dispatched
+ // motion event that is still in progress. If found, then, appen the new sample to
+ // that event and push it out to all current targets. The logic in
+ // prepareDispatchCycleLocked takes care of the case where some targets may
+ // already have consumed the motion event by starting a new dispatch cycle if needed.
+ if (mCurrentInputTargetsValid) {
+ for (size_t i = 0; i < mCurrentInputTargets.size(); i++) {
+ const InputTarget& inputTarget = mCurrentInputTargets[i];
+ if ((inputTarget.flags & InputTarget::FLAG_FOREGROUND) == 0) {
+ // Skip non-foreground targets. We only want to stream if there is at
+ // least one foreground target whose dispatch is still in progress.
+ continue;
+ }
+
+ ssize_t connectionIndex = getConnectionIndexLocked(inputTarget.inputChannel);
+ if (connectionIndex < 0) {
+ // Connection must no longer be valid.
+ continue;
+ }
+
+ sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+ if (connection->outboundQueue.isEmpty()) {
+ // This foreground target has an empty outbound queue.
+ continue;
+ }
+
+ DispatchEntry* dispatchEntry = connection->outboundQueue.headSentinel.next;
+ if (! dispatchEntry->inProgress
+ || dispatchEntry->eventEntry->type != EventEntry::TYPE_MOTION
+ || dispatchEntry->isSplit()) {
+ // No motion event is being dispatched, or it is being split across
+ // windows in which case we cannot stream.
+ continue;
+ }
+
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(
+ dispatchEntry->eventEntry);
+ if (motionEntry->action != AMOTION_EVENT_ACTION_MOVE
+ || motionEntry->deviceId != deviceId
+ || motionEntry->pointerCount != pointerCount
+ || motionEntry->isInjected()) {
+ // The motion event is not compatible with this move.
+ continue;
+ }
+
+ // Hurray! This foreground target is currently dispatching a move event
+ // that we can stream onto. Append the motion sample and resume dispatch.
+ mAllocator.appendMotionSample(motionEntry, eventTime, pointerCoords);
+#if DEBUG_BATCHING
+ LOGD("Appended motion sample onto batch for most recently dispatched "
+ "motion event for this device in the outbound queues. "
+ "Attempting to stream the motion sample.");
+#endif
+ nsecs_t currentTime = now();
+ dispatchEventToCurrentInputTargetsLocked(currentTime, motionEntry,
+ true /*resumeWithAppendedMotionSample*/);
+
+ runCommandsLockedInterruptible();
+ return; // done!
+ }
+ }
+
+NoBatchingOrStreaming:;
+ }
+
+ // Just enqueue a new motion event.
+ MotionEntry* newEntry = mAllocator.obtainMotionEntry(eventTime,
+ deviceId, source, policyFlags, action, flags, metaState, edgeFlags,
+ xPrecision, yPrecision, downTime,
+ pointerCount, pointerIds, pointerCoords);
+
+ needWake = enqueueInboundEventLocked(newEntry);
+ } // release lock
+
+ if (needWake) {
+ mLooper->wake();
+ }
+}
+
+void InputDispatcher::notifySwitch(nsecs_t when, int32_t switchCode, int32_t switchValue,
+ uint32_t policyFlags) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("notifySwitch - switchCode=%d, switchValue=%d, policyFlags=0x%x",
+ switchCode, switchValue, policyFlags);
+#endif
+
+ policyFlags |= POLICY_FLAG_TRUSTED;
+ mPolicy->notifySwitch(when, switchCode, switchValue, policyFlags);
+}
+
+int32_t InputDispatcher::injectInputEvent(const InputEvent* event,
+ int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("injectInputEvent - eventType=%d, injectorPid=%d, injectorUid=%d, "
+ "syncMode=%d, timeoutMillis=%d",
+ event->getType(), injectorPid, injectorUid, syncMode, timeoutMillis);
+#endif
+
+ nsecs_t endTime = now() + milliseconds_to_nanoseconds(timeoutMillis);
+
+ uint32_t policyFlags = POLICY_FLAG_INJECTED;
+ if (hasInjectionPermission(injectorPid, injectorUid)) {
+ policyFlags |= POLICY_FLAG_TRUSTED;
+ }
+
+ EventEntry* injectedEntry;
+ switch (event->getType()) {
+ case AINPUT_EVENT_TYPE_KEY: {
+ const KeyEvent* keyEvent = static_cast<const KeyEvent*>(event);
+ int32_t action = keyEvent->getAction();
+ if (! validateKeyEvent(action)) {
+ return INPUT_EVENT_INJECTION_FAILED;
+ }
+
+ int32_t flags = keyEvent->getFlags();
+ if (flags & AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY) {
+ policyFlags |= POLICY_FLAG_VIRTUAL;
+ }
+
+ mPolicy->interceptKeyBeforeQueueing(keyEvent, /*byref*/ policyFlags);
+
+ if (policyFlags & POLICY_FLAG_WOKE_HERE) {
+ flags |= AKEY_EVENT_FLAG_WOKE_HERE;
+ }
+
+ mLock.lock();
+ injectedEntry = mAllocator.obtainKeyEntry(keyEvent->getEventTime(),
+ keyEvent->getDeviceId(), keyEvent->getSource(),
+ policyFlags, action, flags,
+ keyEvent->getKeyCode(), keyEvent->getScanCode(), keyEvent->getMetaState(),
+ keyEvent->getRepeatCount(), keyEvent->getDownTime());
+ break;
+ }
+
+ case AINPUT_EVENT_TYPE_MOTION: {
+ const MotionEvent* motionEvent = static_cast<const MotionEvent*>(event);
+ int32_t action = motionEvent->getAction();
+ size_t pointerCount = motionEvent->getPointerCount();
+ const int32_t* pointerIds = motionEvent->getPointerIds();
+ if (! validateMotionEvent(action, pointerCount, pointerIds)) {
+ return INPUT_EVENT_INJECTION_FAILED;
+ }
+
+ nsecs_t eventTime = motionEvent->getEventTime();
+ mPolicy->interceptGenericBeforeQueueing(eventTime, /*byref*/ policyFlags);
+
+ mLock.lock();
+ const nsecs_t* sampleEventTimes = motionEvent->getSampleEventTimes();
+ const PointerCoords* samplePointerCoords = motionEvent->getSamplePointerCoords();
+ MotionEntry* motionEntry = mAllocator.obtainMotionEntry(*sampleEventTimes,
+ motionEvent->getDeviceId(), motionEvent->getSource(), policyFlags,
+ action, motionEvent->getFlags(),
+ motionEvent->getMetaState(), motionEvent->getEdgeFlags(),
+ motionEvent->getXPrecision(), motionEvent->getYPrecision(),
+ motionEvent->getDownTime(), uint32_t(pointerCount),
+ pointerIds, samplePointerCoords);
+ for (size_t i = motionEvent->getHistorySize(); i > 0; i--) {
+ sampleEventTimes += 1;
+ samplePointerCoords += pointerCount;
+ mAllocator.appendMotionSample(motionEntry, *sampleEventTimes, samplePointerCoords);
+ }
+ injectedEntry = motionEntry;
+ break;
+ }
+
+ default:
+ LOGW("Cannot inject event of type %d", event->getType());
+ return INPUT_EVENT_INJECTION_FAILED;
+ }
+
+ InjectionState* injectionState = mAllocator.obtainInjectionState(injectorPid, injectorUid);
+ if (syncMode == INPUT_EVENT_INJECTION_SYNC_NONE) {
+ injectionState->injectionIsAsync = true;
+ }
+
+ injectionState->refCount += 1;
+ injectedEntry->injectionState = injectionState;
+
+ bool needWake = enqueueInboundEventLocked(injectedEntry);
+ mLock.unlock();
+
+ if (needWake) {
+ mLooper->wake();
+ }
+
+ int32_t injectionResult;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (syncMode == INPUT_EVENT_INJECTION_SYNC_NONE) {
+ injectionResult = INPUT_EVENT_INJECTION_SUCCEEDED;
+ } else {
+ for (;;) {
+ injectionResult = injectionState->injectionResult;
+ if (injectionResult != INPUT_EVENT_INJECTION_PENDING) {
+ break;
+ }
+
+ nsecs_t remainingTimeout = endTime - now();
+ if (remainingTimeout <= 0) {
+#if DEBUG_INJECTION
+ LOGD("injectInputEvent - Timed out waiting for injection result "
+ "to become available.");
+#endif
+ injectionResult = INPUT_EVENT_INJECTION_TIMED_OUT;
+ break;
+ }
+
+ mInjectionResultAvailableCondition.waitRelative(mLock, remainingTimeout);
+ }
+
+ if (injectionResult == INPUT_EVENT_INJECTION_SUCCEEDED
+ && syncMode == INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISHED) {
+ while (injectionState->pendingForegroundDispatches != 0) {
+#if DEBUG_INJECTION
+ LOGD("injectInputEvent - Waiting for %d pending foreground dispatches.",
+ injectionState->pendingForegroundDispatches);
+#endif
+ nsecs_t remainingTimeout = endTime - now();
+ if (remainingTimeout <= 0) {
+#if DEBUG_INJECTION
+ LOGD("injectInputEvent - Timed out waiting for pending foreground "
+ "dispatches to finish.");
+#endif
+ injectionResult = INPUT_EVENT_INJECTION_TIMED_OUT;
+ break;
+ }
+
+ mInjectionSyncFinishedCondition.waitRelative(mLock, remainingTimeout);
+ }
+ }
+ }
+
+ mAllocator.releaseInjectionState(injectionState);
+ } // release lock
+
+#if DEBUG_INJECTION
+ LOGD("injectInputEvent - Finished with result %d. "
+ "injectorPid=%d, injectorUid=%d",
+ injectionResult, injectorPid, injectorUid);
+#endif
+
+ return injectionResult;
+}
+
+bool InputDispatcher::hasInjectionPermission(int32_t injectorPid, int32_t injectorUid) {
+ return injectorUid == 0
+ || mPolicy->checkInjectEventsPermissionNonReentrant(injectorPid, injectorUid);
+}
+
+void InputDispatcher::setInjectionResultLocked(EventEntry* entry, int32_t injectionResult) {
+ InjectionState* injectionState = entry->injectionState;
+ if (injectionState) {
+#if DEBUG_INJECTION
+ LOGD("Setting input event injection result to %d. "
+ "injectorPid=%d, injectorUid=%d",
+ injectionResult, injectionState->injectorPid, injectionState->injectorUid);
+#endif
+
+ if (injectionState->injectionIsAsync) {
+ // Log the outcome since the injector did not wait for the injection result.
+ switch (injectionResult) {
+ case INPUT_EVENT_INJECTION_SUCCEEDED:
+ LOGV("Asynchronous input event injection succeeded.");
+ break;
+ case INPUT_EVENT_INJECTION_FAILED:
+ LOGW("Asynchronous input event injection failed.");
+ break;
+ case INPUT_EVENT_INJECTION_PERMISSION_DENIED:
+ LOGW("Asynchronous input event injection permission denied.");
+ break;
+ case INPUT_EVENT_INJECTION_TIMED_OUT:
+ LOGW("Asynchronous input event injection timed out.");
+ break;
+ }
+ }
+
+ injectionState->injectionResult = injectionResult;
+ mInjectionResultAvailableCondition.broadcast();
+ }
+}
+
+void InputDispatcher::incrementPendingForegroundDispatchesLocked(EventEntry* entry) {
+ InjectionState* injectionState = entry->injectionState;
+ if (injectionState) {
+ injectionState->pendingForegroundDispatches += 1;
+ }
+}
+
+void InputDispatcher::decrementPendingForegroundDispatchesLocked(EventEntry* entry) {
+ InjectionState* injectionState = entry->injectionState;
+ if (injectionState) {
+ injectionState->pendingForegroundDispatches -= 1;
+
+ if (injectionState->pendingForegroundDispatches == 0) {
+ mInjectionSyncFinishedCondition.broadcast();
+ }
+ }
+}
+
+const InputWindow* InputDispatcher::getWindowLocked(const sp<InputChannel>& inputChannel) {
+ for (size_t i = 0; i < mWindows.size(); i++) {
+ const InputWindow* window = & mWindows[i];
+ if (window->inputChannel == inputChannel) {
+ return window;
+ }
+ }
+ return NULL;
+}
+
+void InputDispatcher::setInputWindows(const Vector<InputWindow>& inputWindows) {
+#if DEBUG_FOCUS
+ LOGD("setInputWindows");
+#endif
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ // Clear old window pointers.
+ sp<InputChannel> oldFocusedWindowChannel;
+ if (mFocusedWindow) {
+ oldFocusedWindowChannel = mFocusedWindow->inputChannel;
+ mFocusedWindow = NULL;
+ }
+
+ mWindows.clear();
+
+ // Loop over new windows and rebuild the necessary window pointers for
+ // tracking focus and touch.
+ mWindows.appendVector(inputWindows);
+
+ size_t numWindows = mWindows.size();
+ for (size_t i = 0; i < numWindows; i++) {
+ const InputWindow* window = & mWindows.itemAt(i);
+ if (window->hasFocus) {
+ mFocusedWindow = window;
+ break;
+ }
+ }
+
+ if (oldFocusedWindowChannel != NULL) {
+ if (!mFocusedWindow || oldFocusedWindowChannel != mFocusedWindow->inputChannel) {
+#if DEBUG_FOCUS
+ LOGD("Focus left window: %s",
+ oldFocusedWindowChannel->getName().string());
+#endif
+ synthesizeCancelationEventsForInputChannelLocked(oldFocusedWindowChannel,
+ InputState::CANCEL_NON_POINTER_EVENTS, "focus left window");
+ oldFocusedWindowChannel.clear();
+ }
+ }
+ if (mFocusedWindow && oldFocusedWindowChannel == NULL) {
+#if DEBUG_FOCUS
+ LOGD("Focus entered window: %s",
+ mFocusedWindow->inputChannel->getName().string());
+#endif
+ }
+
+ for (size_t i = 0; i < mTouchState.windows.size(); ) {
+ TouchedWindow& touchedWindow = mTouchState.windows.editItemAt(i);
+ const InputWindow* window = getWindowLocked(touchedWindow.channel);
+ if (window) {
+ touchedWindow.window = window;
+ i += 1;
+ } else {
+#if DEBUG_FOCUS
+ LOGD("Touched window was removed: %s", touchedWindow.channel->getName().string());
+#endif
+ synthesizeCancelationEventsForInputChannelLocked(touchedWindow.channel,
+ InputState::CANCEL_POINTER_EVENTS, "touched window was removed");
+ mTouchState.windows.removeAt(i);
+ }
+ }
+
+#if DEBUG_FOCUS
+ //logDispatchStateLocked();
+#endif
+ } // release lock
+
+ // Wake up poll loop since it may need to make new input dispatching choices.
+ mLooper->wake();
+}
+
+void InputDispatcher::setFocusedApplication(const InputApplication* inputApplication) {
+#if DEBUG_FOCUS
+ LOGD("setFocusedApplication");
+#endif
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ releaseFocusedApplicationLocked();
+
+ if (inputApplication) {
+ mFocusedApplicationStorage = *inputApplication;
+ mFocusedApplication = & mFocusedApplicationStorage;
+ }
+
+#if DEBUG_FOCUS
+ //logDispatchStateLocked();
+#endif
+ } // release lock
+
+ // Wake up poll loop since it may need to make new input dispatching choices.
+ mLooper->wake();
+}
+
+void InputDispatcher::releaseFocusedApplicationLocked() {
+ if (mFocusedApplication) {
+ mFocusedApplication = NULL;
+ mFocusedApplicationStorage.handle.clear();
+ }
+}
+
+void InputDispatcher::setInputDispatchMode(bool enabled, bool frozen) {
+#if DEBUG_FOCUS
+ LOGD("setInputDispatchMode: enabled=%d, frozen=%d", enabled, frozen);
+#endif
+
+ bool changed;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (mDispatchEnabled != enabled || mDispatchFrozen != frozen) {
+ if (mDispatchFrozen && !frozen) {
+ resetANRTimeoutsLocked();
+ }
+
+ if (mDispatchEnabled && !enabled) {
+ resetAndDropEverythingLocked("dispatcher is being disabled");
+ }
+
+ mDispatchEnabled = enabled;
+ mDispatchFrozen = frozen;
+ changed = true;
+ } else {
+ changed = false;
+ }
+
+#if DEBUG_FOCUS
+ //logDispatchStateLocked();
+#endif
+ } // release lock
+
+ if (changed) {
+ // Wake up poll loop since it may need to make new input dispatching choices.
+ mLooper->wake();
+ }
+}
+
+bool InputDispatcher::transferTouchFocus(const sp<InputChannel>& fromChannel,
+ const sp<InputChannel>& toChannel) {
+#if DEBUG_FOCUS
+ LOGD("transferTouchFocus: fromChannel=%s, toChannel=%s",
+ fromChannel->getName().string(), toChannel->getName().string());
+#endif
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ const InputWindow* fromWindow = getWindowLocked(fromChannel);
+ const InputWindow* toWindow = getWindowLocked(toChannel);
+ if (! fromWindow || ! toWindow) {
+#if DEBUG_FOCUS
+ LOGD("Cannot transfer focus because from or to window not found.");
+#endif
+ return false;
+ }
+ if (fromWindow == toWindow) {
+#if DEBUG_FOCUS
+ LOGD("Trivial transfer to same window.");
+#endif
+ return true;
+ }
+
+ bool found = false;
+ for (size_t i = 0; i < mTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTouchState.windows[i];
+ if (touchedWindow.window == fromWindow) {
+ int32_t oldTargetFlags = touchedWindow.targetFlags;
+ BitSet32 pointerIds = touchedWindow.pointerIds;
+
+ mTouchState.windows.removeAt(i);
+
+ int32_t newTargetFlags = oldTargetFlags
+ & (InputTarget::FLAG_FOREGROUND | InputTarget::FLAG_SPLIT);
+ mTouchState.addOrUpdateWindow(toWindow, newTargetFlags, pointerIds);
+
+ found = true;
+ break;
+ }
+ }
+
+ if (! found) {
+#if DEBUG_FOCUS
+ LOGD("Focus transfer failed because from window did not have focus.");
+#endif
+ return false;
+ }
+
+ ssize_t fromConnectionIndex = getConnectionIndexLocked(fromChannel);
+ ssize_t toConnectionIndex = getConnectionIndexLocked(toChannel);
+ if (fromConnectionIndex >= 0 && toConnectionIndex >= 0) {
+ sp<Connection> fromConnection = mConnectionsByReceiveFd.valueAt(fromConnectionIndex);
+ sp<Connection> toConnection = mConnectionsByReceiveFd.valueAt(toConnectionIndex);
+
+ fromConnection->inputState.copyPointerStateTo(toConnection->inputState);
+ synthesizeCancelationEventsForConnectionLocked(fromConnection,
+ InputState::CANCEL_POINTER_EVENTS,
+ "transferring touch focus from this window to another window");
+ }
+
+#if DEBUG_FOCUS
+ logDispatchStateLocked();
+#endif
+ } // release lock
+
+ // Wake up poll loop since it may need to make new input dispatching choices.
+ mLooper->wake();
+ return true;
+}
+
+void InputDispatcher::resetAndDropEverythingLocked(const char* reason) {
+#if DEBUG_FOCUS
+ LOGD("Resetting and dropping all events (%s).", reason);
+#endif
+
+ synthesizeCancelationEventsForAllConnectionsLocked(InputState::CANCEL_ALL_EVENTS, reason);
+
+ resetKeyRepeatLocked();
+ releasePendingEventLocked();
+ drainInboundQueueLocked();
+ resetTargetsLocked();
+
+ mTouchState.reset();
+}
+
+void InputDispatcher::logDispatchStateLocked() {
+ String8 dump;
+ dumpDispatchStateLocked(dump);
+
+ char* text = dump.lockBuffer(dump.size());
+ char* start = text;
+ while (*start != '\0') {
+ char* end = strchr(start, '\n');
+ if (*end == '\n') {
+ *(end++) = '\0';
+ }
+ LOGD("%s", start);
+ start = end;
+ }
+}
+
+void InputDispatcher::dumpDispatchStateLocked(String8& dump) {
+ dump.appendFormat(INDENT "DispatchEnabled: %d\n", mDispatchEnabled);
+ dump.appendFormat(INDENT "DispatchFrozen: %d\n", mDispatchFrozen);
+
+ if (mFocusedApplication) {
+ dump.appendFormat(INDENT "FocusedApplication: name='%s', dispatchingTimeout=%0.3fms\n",
+ mFocusedApplication->name.string(),
+ mFocusedApplication->dispatchingTimeout / 1000000.0);
+ } else {
+ dump.append(INDENT "FocusedApplication: <null>\n");
+ }
+ dump.appendFormat(INDENT "FocusedWindow: name='%s'\n",
+ mFocusedWindow != NULL ? mFocusedWindow->name.string() : "<null>");
+
+ dump.appendFormat(INDENT "TouchDown: %s\n", toString(mTouchState.down));
+ dump.appendFormat(INDENT "TouchSplit: %s\n", toString(mTouchState.split));
+ if (!mTouchState.windows.isEmpty()) {
+ dump.append(INDENT "TouchedWindows:\n");
+ for (size_t i = 0; i < mTouchState.windows.size(); i++) {
+ const TouchedWindow& touchedWindow = mTouchState.windows[i];
+ dump.appendFormat(INDENT2 "%d: name='%s', pointerIds=0x%0x, targetFlags=0x%x\n",
+ i, touchedWindow.window->name.string(), touchedWindow.pointerIds.value,
+ touchedWindow.targetFlags);
+ }
+ } else {
+ dump.append(INDENT "TouchedWindows: <none>\n");
+ }
+
+ if (!mWindows.isEmpty()) {
+ dump.append(INDENT "Windows:\n");
+ for (size_t i = 0; i < mWindows.size(); i++) {
+ const InputWindow& window = mWindows[i];
+ dump.appendFormat(INDENT2 "%d: name='%s', paused=%s, hasFocus=%s, hasWallpaper=%s, "
+ "visible=%s, canReceiveKeys=%s, flags=0x%08x, type=0x%08x, layer=%d, "
+ "frame=[%d,%d][%d,%d], "
+ "visibleFrame=[%d,%d][%d,%d], "
+ "touchableArea=[%d,%d][%d,%d], "
+ "ownerPid=%d, ownerUid=%d, dispatchingTimeout=%0.3fms\n",
+ i, window.name.string(),
+ toString(window.paused),
+ toString(window.hasFocus),
+ toString(window.hasWallpaper),
+ toString(window.visible),
+ toString(window.canReceiveKeys),
+ window.layoutParamsFlags, window.layoutParamsType,
+ window.layer,
+ window.frameLeft, window.frameTop,
+ window.frameRight, window.frameBottom,
+ window.visibleFrameLeft, window.visibleFrameTop,
+ window.visibleFrameRight, window.visibleFrameBottom,
+ window.touchableAreaLeft, window.touchableAreaTop,
+ window.touchableAreaRight, window.touchableAreaBottom,
+ window.ownerPid, window.ownerUid,
+ window.dispatchingTimeout / 1000000.0);
+ }
+ } else {
+ dump.append(INDENT "Windows: <none>\n");
+ }
+
+ if (!mMonitoringChannels.isEmpty()) {
+ dump.append(INDENT "MonitoringChannels:\n");
+ for (size_t i = 0; i < mMonitoringChannels.size(); i++) {
+ const sp<InputChannel>& channel = mMonitoringChannels[i];
+ dump.appendFormat(INDENT2 "%d: '%s'\n", i, channel->getName().string());
+ }
+ } else {
+ dump.append(INDENT "MonitoringChannels: <none>\n");
+ }
+
+ dump.appendFormat(INDENT "InboundQueue: length=%u\n", mInboundQueue.count());
+
+ if (!mActiveConnections.isEmpty()) {
+ dump.append(INDENT "ActiveConnections:\n");
+ for (size_t i = 0; i < mActiveConnections.size(); i++) {
+ const Connection* connection = mActiveConnections[i];
+ dump.appendFormat(INDENT2 "%d: '%s', status=%s, outboundQueueLength=%u, "
+ "inputState.isNeutral=%s\n",
+ i, connection->getInputChannelName(), connection->getStatusLabel(),
+ connection->outboundQueue.count(),
+ toString(connection->inputState.isNeutral()));
+ }
+ } else {
+ dump.append(INDENT "ActiveConnections: <none>\n");
+ }
+
+ if (isAppSwitchPendingLocked()) {
+ dump.appendFormat(INDENT "AppSwitch: pending, due in %01.1fms\n",
+ (mAppSwitchDueTime - now()) / 1000000.0);
+ } else {
+ dump.append(INDENT "AppSwitch: not pending\n");
+ }
+}
+
+status_t InputDispatcher::registerInputChannel(const sp<InputChannel>& inputChannel, bool monitor) {
+#if DEBUG_REGISTRATION
+ LOGD("channel '%s' ~ registerInputChannel - monitor=%s", inputChannel->getName().string(),
+ toString(monitor));
+#endif
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (getConnectionIndexLocked(inputChannel) >= 0) {
+ LOGW("Attempted to register already registered input channel '%s'",
+ inputChannel->getName().string());
+ return BAD_VALUE;
+ }
+
+ sp<Connection> connection = new Connection(inputChannel);
+ status_t status = connection->initialize();
+ if (status) {
+ LOGE("Failed to initialize input publisher for input channel '%s', status=%d",
+ inputChannel->getName().string(), status);
+ return status;
+ }
+
+ int32_t receiveFd = inputChannel->getReceivePipeFd();
+ mConnectionsByReceiveFd.add(receiveFd, connection);
+
+ if (monitor) {
+ mMonitoringChannels.push(inputChannel);
+ }
+
+ mLooper->addFd(receiveFd, 0, ALOOPER_EVENT_INPUT, handleReceiveCallback, this);
+
+ runCommandsLockedInterruptible();
+ } // release lock
+ return OK;
+}
+
+status_t InputDispatcher::unregisterInputChannel(const sp<InputChannel>& inputChannel) {
+#if DEBUG_REGISTRATION
+ LOGD("channel '%s' ~ unregisterInputChannel", inputChannel->getName().string());
+#endif
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ ssize_t connectionIndex = getConnectionIndexLocked(inputChannel);
+ if (connectionIndex < 0) {
+ LOGW("Attempted to unregister already unregistered input channel '%s'",
+ inputChannel->getName().string());
+ return BAD_VALUE;
+ }
+
+ sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+ mConnectionsByReceiveFd.removeItemsAt(connectionIndex);
+
+ connection->status = Connection::STATUS_ZOMBIE;
+
+ for (size_t i = 0; i < mMonitoringChannels.size(); i++) {
+ if (mMonitoringChannels[i] == inputChannel) {
+ mMonitoringChannels.removeAt(i);
+ break;
+ }
+ }
+
+ mLooper->removeFd(inputChannel->getReceivePipeFd());
+
+ nsecs_t currentTime = now();
+ abortBrokenDispatchCycleLocked(currentTime, connection);
+
+ runCommandsLockedInterruptible();
+ } // release lock
+
+ // Wake the poll loop because removing the connection may have changed the current
+ // synchronization state.
+ mLooper->wake();
+ return OK;
+}
+
+ssize_t InputDispatcher::getConnectionIndexLocked(const sp<InputChannel>& inputChannel) {
+ ssize_t connectionIndex = mConnectionsByReceiveFd.indexOfKey(inputChannel->getReceivePipeFd());
+ if (connectionIndex >= 0) {
+ sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+ if (connection->inputChannel.get() == inputChannel.get()) {
+ return connectionIndex;
+ }
+ }
+
+ return -1;
+}
+
+void InputDispatcher::activateConnectionLocked(Connection* connection) {
+ for (size_t i = 0; i < mActiveConnections.size(); i++) {
+ if (mActiveConnections.itemAt(i) == connection) {
+ return;
+ }
+ }
+ mActiveConnections.add(connection);
+}
+
+void InputDispatcher::deactivateConnectionLocked(Connection* connection) {
+ for (size_t i = 0; i < mActiveConnections.size(); i++) {
+ if (mActiveConnections.itemAt(i) == connection) {
+ mActiveConnections.removeAt(i);
+ return;
+ }
+ }
+}
+
+void InputDispatcher::onDispatchCycleStartedLocked(
+ nsecs_t currentTime, const sp<Connection>& connection) {
+}
+
+void InputDispatcher::onDispatchCycleFinishedLocked(
+ nsecs_t currentTime, const sp<Connection>& connection, bool handled) {
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doDispatchCycleFinishedLockedInterruptible);
+ commandEntry->connection = connection;
+ commandEntry->handled = handled;
+}
+
+void InputDispatcher::onDispatchCycleBrokenLocked(
+ nsecs_t currentTime, const sp<Connection>& connection) {
+ LOGE("channel '%s' ~ Channel is unrecoverably broken and will be disposed!",
+ connection->getInputChannelName());
+
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doNotifyInputChannelBrokenLockedInterruptible);
+ commandEntry->connection = connection;
+}
+
+void InputDispatcher::onANRLocked(
+ nsecs_t currentTime, const InputApplication* application, const InputWindow* window,
+ nsecs_t eventTime, nsecs_t waitStartTime) {
+ LOGI("Application is not responding: %s. "
+ "%01.1fms since event, %01.1fms since wait started",
+ getApplicationWindowLabelLocked(application, window).string(),
+ (currentTime - eventTime) / 1000000.0,
+ (currentTime - waitStartTime) / 1000000.0);
+
+ CommandEntry* commandEntry = postCommandLocked(
+ & InputDispatcher::doNotifyANRLockedInterruptible);
+ if (application) {
+ commandEntry->inputApplicationHandle = application->handle;
+ }
+ if (window) {
+ commandEntry->inputChannel = window->inputChannel;
+ }
+}
+
+void InputDispatcher::doNotifyConfigurationChangedInterruptible(
+ CommandEntry* commandEntry) {
+ mLock.unlock();
+
+ mPolicy->notifyConfigurationChanged(commandEntry->eventTime);
+
+ mLock.lock();
+}
+
+void InputDispatcher::doNotifyInputChannelBrokenLockedInterruptible(
+ CommandEntry* commandEntry) {
+ sp<Connection> connection = commandEntry->connection;
+
+ if (connection->status != Connection::STATUS_ZOMBIE) {
+ mLock.unlock();
+
+ mPolicy->notifyInputChannelBroken(connection->inputChannel);
+
+ mLock.lock();
+ }
+}
+
+void InputDispatcher::doNotifyANRLockedInterruptible(
+ CommandEntry* commandEntry) {
+ mLock.unlock();
+
+ nsecs_t newTimeout = mPolicy->notifyANR(
+ commandEntry->inputApplicationHandle, commandEntry->inputChannel);
+
+ mLock.lock();
+
+ resumeAfterTargetsNotReadyTimeoutLocked(newTimeout, commandEntry->inputChannel);
+}
+
+void InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible(
+ CommandEntry* commandEntry) {
+ KeyEntry* entry = commandEntry->keyEntry;
+
+ KeyEvent event;
+ initializeKeyEvent(&event, entry);
+
+ mLock.unlock();
+
+ bool consumed = mPolicy->interceptKeyBeforeDispatching(commandEntry->inputChannel,
+ &event, entry->policyFlags);
+
+ mLock.lock();
+
+ entry->interceptKeyResult = consumed
+ ? KeyEntry::INTERCEPT_KEY_RESULT_SKIP
+ : KeyEntry::INTERCEPT_KEY_RESULT_CONTINUE;
+ mAllocator.releaseKeyEntry(entry);
+}
+
+void InputDispatcher::doDispatchCycleFinishedLockedInterruptible(
+ CommandEntry* commandEntry) {
+ sp<Connection> connection = commandEntry->connection;
+ bool handled = commandEntry->handled;
+
+ if (!connection->outboundQueue.isEmpty()) {
+ DispatchEntry* dispatchEntry = connection->outboundQueue.headSentinel.next;
+ if (dispatchEntry->inProgress
+ && dispatchEntry->hasForegroundTarget()
+ && dispatchEntry->eventEntry->type == EventEntry::TYPE_KEY) {
+ KeyEntry* keyEntry = static_cast<KeyEntry*>(dispatchEntry->eventEntry);
+ if (!(keyEntry->flags & AKEY_EVENT_FLAG_FALLBACK)) {
+ if (handled) {
+ // If the application handled a non-fallback key, then immediately
+ // cancel all fallback keys previously dispatched to the application.
+ // This behavior will prevent chording with fallback keys (so they cannot
+ // be used as modifiers) but it will ensure that fallback keys do not
+ // get stuck. This takes care of the case where the application does not handle
+ // the original DOWN so we generate a fallback DOWN but it does handle
+ // the original UP in which case we would not generate the fallback UP.
+ synthesizeCancelationEventsForConnectionLocked(connection,
+ InputState::CANCEL_FALLBACK_EVENTS,
+ "application handled a non-fallback event, canceling all fallback events");
+ } else {
+ // If the application did not handle a non-fallback key, then ask
+ // the policy what to do with it. We might generate a fallback key
+ // event here.
+ KeyEvent event;
+ initializeKeyEvent(&event, keyEntry);
+
+ mLock.unlock();
+
+ bool fallback = mPolicy->dispatchUnhandledKey(connection->inputChannel,
+ &event, keyEntry->policyFlags, &event);
+
+ mLock.lock();
+
+ if (connection->status != Connection::STATUS_NORMAL) {
+ return;
+ }
+
+ assert(connection->outboundQueue.headSentinel.next == dispatchEntry);
+
+ if (fallback) {
+ // Restart the dispatch cycle using the fallback key.
+ keyEntry->eventTime = event.getEventTime();
+ keyEntry->deviceId = event.getDeviceId();
+ keyEntry->source = event.getSource();
+ keyEntry->flags = event.getFlags() | AKEY_EVENT_FLAG_FALLBACK;
+ keyEntry->keyCode = event.getKeyCode();
+ keyEntry->scanCode = event.getScanCode();
+ keyEntry->metaState = event.getMetaState();
+ keyEntry->repeatCount = event.getRepeatCount();
+ keyEntry->downTime = event.getDownTime();
+ keyEntry->syntheticRepeat = false;
+
+ dispatchEntry->inProgress = false;
+ startDispatchCycleLocked(now(), connection);
+ return;
+ }
+ }
+ }
+ }
+ }
+
+ startNextDispatchCycleLocked(now(), connection);
+}
+
+void InputDispatcher::doPokeUserActivityLockedInterruptible(CommandEntry* commandEntry) {
+ mLock.unlock();
+
+ mPolicy->pokeUserActivity(commandEntry->eventTime, commandEntry->userActivityEventType);
+
+ mLock.lock();
+}
+
+void InputDispatcher::initializeKeyEvent(KeyEvent* event, const KeyEntry* entry) {
+ event->initialize(entry->deviceId, entry->source, entry->action, entry->flags,
+ entry->keyCode, entry->scanCode, entry->metaState, entry->repeatCount,
+ entry->downTime, entry->eventTime);
+}
+
+void InputDispatcher::updateDispatchStatisticsLocked(nsecs_t currentTime, const EventEntry* entry,
+ int32_t injectionResult, nsecs_t timeSpentWaitingForApplication) {
+ // TODO Write some statistics about how long we spend waiting.
+}
+
+void InputDispatcher::dump(String8& dump) {
+ dump.append("Input Dispatcher State:\n");
+ dumpDispatchStateLocked(dump);
+}
+
+
+// --- InputDispatcher::Queue ---
+
+template <typename T>
+uint32_t InputDispatcher::Queue<T>::count() const {
+ uint32_t result = 0;
+ for (const T* entry = headSentinel.next; entry != & tailSentinel; entry = entry->next) {
+ result += 1;
+ }
+ return result;
+}
+
+
+// --- InputDispatcher::Allocator ---
+
+InputDispatcher::Allocator::Allocator() {
+}
+
+InputDispatcher::InjectionState*
+InputDispatcher::Allocator::obtainInjectionState(int32_t injectorPid, int32_t injectorUid) {
+ InjectionState* injectionState = mInjectionStatePool.alloc();
+ injectionState->refCount = 1;
+ injectionState->injectorPid = injectorPid;
+ injectionState->injectorUid = injectorUid;
+ injectionState->injectionIsAsync = false;
+ injectionState->injectionResult = INPUT_EVENT_INJECTION_PENDING;
+ injectionState->pendingForegroundDispatches = 0;
+ return injectionState;
+}
+
+void InputDispatcher::Allocator::initializeEventEntry(EventEntry* entry, int32_t type,
+ nsecs_t eventTime, uint32_t policyFlags) {
+ entry->type = type;
+ entry->refCount = 1;
+ entry->dispatchInProgress = false;
+ entry->eventTime = eventTime;
+ entry->policyFlags = policyFlags;
+ entry->injectionState = NULL;
+}
+
+void InputDispatcher::Allocator::releaseEventEntryInjectionState(EventEntry* entry) {
+ if (entry->injectionState) {
+ releaseInjectionState(entry->injectionState);
+ entry->injectionState = NULL;
+ }
+}
+
+InputDispatcher::ConfigurationChangedEntry*
+InputDispatcher::Allocator::obtainConfigurationChangedEntry(nsecs_t eventTime) {
+ ConfigurationChangedEntry* entry = mConfigurationChangeEntryPool.alloc();
+ initializeEventEntry(entry, EventEntry::TYPE_CONFIGURATION_CHANGED, eventTime, 0);
+ return entry;
+}
+
+InputDispatcher::KeyEntry* InputDispatcher::Allocator::obtainKeyEntry(nsecs_t eventTime,
+ int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action,
+ int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
+ int32_t repeatCount, nsecs_t downTime) {
+ KeyEntry* entry = mKeyEntryPool.alloc();
+ initializeEventEntry(entry, EventEntry::TYPE_KEY, eventTime, policyFlags);
+
+ entry->deviceId = deviceId;
+ entry->source = source;
+ entry->action = action;
+ entry->flags = flags;
+ entry->keyCode = keyCode;
+ entry->scanCode = scanCode;
+ entry->metaState = metaState;
+ entry->repeatCount = repeatCount;
+ entry->downTime = downTime;
+ entry->syntheticRepeat = false;
+ entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN;
+ return entry;
+}
+
+InputDispatcher::MotionEntry* InputDispatcher::Allocator::obtainMotionEntry(nsecs_t eventTime,
+ int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action, int32_t flags,
+ int32_t metaState, int32_t edgeFlags, float xPrecision, float yPrecision,
+ nsecs_t downTime, uint32_t pointerCount,
+ const int32_t* pointerIds, const PointerCoords* pointerCoords) {
+ MotionEntry* entry = mMotionEntryPool.alloc();
+ initializeEventEntry(entry, EventEntry::TYPE_MOTION, eventTime, policyFlags);
+
+ entry->eventTime = eventTime;
+ entry->deviceId = deviceId;
+ entry->source = source;
+ entry->action = action;
+ entry->flags = flags;
+ entry->metaState = metaState;
+ entry->edgeFlags = edgeFlags;
+ entry->xPrecision = xPrecision;
+ entry->yPrecision = yPrecision;
+ entry->downTime = downTime;
+ entry->pointerCount = pointerCount;
+ entry->firstSample.eventTime = eventTime;
+ entry->firstSample.next = NULL;
+ entry->lastSample = & entry->firstSample;
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ entry->pointerIds[i] = pointerIds[i];
+ entry->firstSample.pointerCoords[i] = pointerCoords[i];
+ }
+ return entry;
+}
+
+InputDispatcher::DispatchEntry* InputDispatcher::Allocator::obtainDispatchEntry(
+ EventEntry* eventEntry,
+ int32_t targetFlags, float xOffset, float yOffset) {
+ DispatchEntry* entry = mDispatchEntryPool.alloc();
+ entry->eventEntry = eventEntry;
+ eventEntry->refCount += 1;
+ entry->targetFlags = targetFlags;
+ entry->xOffset = xOffset;
+ entry->yOffset = yOffset;
+ entry->inProgress = false;
+ entry->headMotionSample = NULL;
+ entry->tailMotionSample = NULL;
+ return entry;
+}
+
+InputDispatcher::CommandEntry* InputDispatcher::Allocator::obtainCommandEntry(Command command) {
+ CommandEntry* entry = mCommandEntryPool.alloc();
+ entry->command = command;
+ return entry;
+}
+
+void InputDispatcher::Allocator::releaseInjectionState(InjectionState* injectionState) {
+ injectionState->refCount -= 1;
+ if (injectionState->refCount == 0) {
+ mInjectionStatePool.free(injectionState);
+ } else {
+ assert(injectionState->refCount > 0);
+ }
+}
+
+void InputDispatcher::Allocator::releaseEventEntry(EventEntry* entry) {
+ switch (entry->type) {
+ case EventEntry::TYPE_CONFIGURATION_CHANGED:
+ releaseConfigurationChangedEntry(static_cast<ConfigurationChangedEntry*>(entry));
+ break;
+ case EventEntry::TYPE_KEY:
+ releaseKeyEntry(static_cast<KeyEntry*>(entry));
+ break;
+ case EventEntry::TYPE_MOTION:
+ releaseMotionEntry(static_cast<MotionEntry*>(entry));
+ break;
+ default:
+ assert(false);
+ break;
+ }
+}
+
+void InputDispatcher::Allocator::releaseConfigurationChangedEntry(
+ ConfigurationChangedEntry* entry) {
+ entry->refCount -= 1;
+ if (entry->refCount == 0) {
+ releaseEventEntryInjectionState(entry);
+ mConfigurationChangeEntryPool.free(entry);
+ } else {
+ assert(entry->refCount > 0);
+ }
+}
+
+void InputDispatcher::Allocator::releaseKeyEntry(KeyEntry* entry) {
+ entry->refCount -= 1;
+ if (entry->refCount == 0) {
+ releaseEventEntryInjectionState(entry);
+ mKeyEntryPool.free(entry);
+ } else {
+ assert(entry->refCount > 0);
+ }
+}
+
+void InputDispatcher::Allocator::releaseMotionEntry(MotionEntry* entry) {
+ entry->refCount -= 1;
+ if (entry->refCount == 0) {
+ releaseEventEntryInjectionState(entry);
+ for (MotionSample* sample = entry->firstSample.next; sample != NULL; ) {
+ MotionSample* next = sample->next;
+ mMotionSamplePool.free(sample);
+ sample = next;
+ }
+ mMotionEntryPool.free(entry);
+ } else {
+ assert(entry->refCount > 0);
+ }
+}
+
+void InputDispatcher::Allocator::releaseDispatchEntry(DispatchEntry* entry) {
+ releaseEventEntry(entry->eventEntry);
+ mDispatchEntryPool.free(entry);
+}
+
+void InputDispatcher::Allocator::releaseCommandEntry(CommandEntry* entry) {
+ mCommandEntryPool.free(entry);
+}
+
+void InputDispatcher::Allocator::appendMotionSample(MotionEntry* motionEntry,
+ nsecs_t eventTime, const PointerCoords* pointerCoords) {
+ MotionSample* sample = mMotionSamplePool.alloc();
+ sample->eventTime = eventTime;
+ uint32_t pointerCount = motionEntry->pointerCount;
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ sample->pointerCoords[i] = pointerCoords[i];
+ }
+
+ sample->next = NULL;
+ motionEntry->lastSample->next = sample;
+ motionEntry->lastSample = sample;
+}
+
+void InputDispatcher::Allocator::recycleKeyEntry(KeyEntry* keyEntry) {
+ releaseEventEntryInjectionState(keyEntry);
+
+ keyEntry->dispatchInProgress = false;
+ keyEntry->syntheticRepeat = false;
+ keyEntry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN;
+}
+
+
+// --- InputDispatcher::MotionEntry ---
+
+uint32_t InputDispatcher::MotionEntry::countSamples() const {
+ uint32_t count = 1;
+ for (MotionSample* sample = firstSample.next; sample != NULL; sample = sample->next) {
+ count += 1;
+ }
+ return count;
+}
+
+
+// --- InputDispatcher::InputState ---
+
+InputDispatcher::InputState::InputState() {
+}
+
+InputDispatcher::InputState::~InputState() {
+}
+
+bool InputDispatcher::InputState::isNeutral() const {
+ return mKeyMementos.isEmpty() && mMotionMementos.isEmpty();
+}
+
+InputDispatcher::InputState::Consistency InputDispatcher::InputState::trackEvent(
+ const EventEntry* entry) {
+ switch (entry->type) {
+ case EventEntry::TYPE_KEY:
+ return trackKey(static_cast<const KeyEntry*>(entry));
+
+ case EventEntry::TYPE_MOTION:
+ return trackMotion(static_cast<const MotionEntry*>(entry));
+
+ default:
+ return CONSISTENT;
+ }
+}
+
+InputDispatcher::InputState::Consistency InputDispatcher::InputState::trackKey(
+ const KeyEntry* entry) {
+ int32_t action = entry->action;
+ for (size_t i = 0; i < mKeyMementos.size(); i++) {
+ KeyMemento& memento = mKeyMementos.editItemAt(i);
+ if (memento.deviceId == entry->deviceId
+ && memento.source == entry->source
+ && memento.keyCode == entry->keyCode
+ && memento.scanCode == entry->scanCode) {
+ switch (action) {
+ case AKEY_EVENT_ACTION_UP:
+ mKeyMementos.removeAt(i);
+ return CONSISTENT;
+
+ case AKEY_EVENT_ACTION_DOWN:
+ return TOLERABLE;
+
+ default:
+ return BROKEN;
+ }
+ }
+ }
+
+ switch (action) {
+ case AKEY_EVENT_ACTION_DOWN: {
+ mKeyMementos.push();
+ KeyMemento& memento = mKeyMementos.editTop();
+ memento.deviceId = entry->deviceId;
+ memento.source = entry->source;
+ memento.keyCode = entry->keyCode;
+ memento.scanCode = entry->scanCode;
+ memento.flags = entry->flags;
+ memento.downTime = entry->downTime;
+ return CONSISTENT;
+ }
+
+ default:
+ return BROKEN;
+ }
+}
+
+InputDispatcher::InputState::Consistency InputDispatcher::InputState::trackMotion(
+ const MotionEntry* entry) {
+ int32_t action = entry->action & AMOTION_EVENT_ACTION_MASK;
+ for (size_t i = 0; i < mMotionMementos.size(); i++) {
+ MotionMemento& memento = mMotionMementos.editItemAt(i);
+ if (memento.deviceId == entry->deviceId
+ && memento.source == entry->source) {
+ switch (action) {
+ case AMOTION_EVENT_ACTION_UP:
+ case AMOTION_EVENT_ACTION_CANCEL:
+ mMotionMementos.removeAt(i);
+ return CONSISTENT;
+
+ case AMOTION_EVENT_ACTION_DOWN:
+ return TOLERABLE;
+
+ case AMOTION_EVENT_ACTION_POINTER_DOWN:
+ if (entry->pointerCount == memento.pointerCount + 1) {
+ memento.setPointers(entry);
+ return CONSISTENT;
+ }
+ return BROKEN;
+
+ case AMOTION_EVENT_ACTION_POINTER_UP:
+ if (entry->pointerCount == memento.pointerCount - 1) {
+ memento.setPointers(entry);
+ return CONSISTENT;
+ }
+ return BROKEN;
+
+ case AMOTION_EVENT_ACTION_MOVE:
+ if (entry->pointerCount == memento.pointerCount) {
+ return CONSISTENT;
+ }
+ return BROKEN;
+
+ default:
+ return BROKEN;
+ }
+ }
+ }
+
+ switch (action) {
+ case AMOTION_EVENT_ACTION_DOWN: {
+ mMotionMementos.push();
+ MotionMemento& memento = mMotionMementos.editTop();
+ memento.deviceId = entry->deviceId;
+ memento.source = entry->source;
+ memento.xPrecision = entry->xPrecision;
+ memento.yPrecision = entry->yPrecision;
+ memento.downTime = entry->downTime;
+ memento.setPointers(entry);
+ return CONSISTENT;
+ }
+
+ default:
+ return BROKEN;
+ }
+}
+
+void InputDispatcher::InputState::MotionMemento::setPointers(const MotionEntry* entry) {
+ pointerCount = entry->pointerCount;
+ for (uint32_t i = 0; i < entry->pointerCount; i++) {
+ pointerIds[i] = entry->pointerIds[i];
+ pointerCoords[i] = entry->lastSample->pointerCoords[i];
+ }
+}
+
+void InputDispatcher::InputState::synthesizeCancelationEvents(nsecs_t currentTime,
+ Allocator* allocator, Vector<EventEntry*>& outEvents,
+ CancelationOptions options) {
+ for (size_t i = 0; i < mKeyMementos.size(); ) {
+ const KeyMemento& memento = mKeyMementos.itemAt(i);
+ if (shouldCancelKey(memento, options)) {
+ outEvents.push(allocator->obtainKeyEntry(currentTime,
+ memento.deviceId, memento.source, 0,
+ AKEY_EVENT_ACTION_UP, memento.flags | AKEY_EVENT_FLAG_CANCELED,
+ memento.keyCode, memento.scanCode, 0, 0, memento.downTime));
+ mKeyMementos.removeAt(i);
+ } else {
+ i += 1;
+ }
+ }
+
+ for (size_t i = 0; i < mMotionMementos.size(); ) {
+ const MotionMemento& memento = mMotionMementos.itemAt(i);
+ if (shouldCancelMotion(memento, options)) {
+ outEvents.push(allocator->obtainMotionEntry(currentTime,
+ memento.deviceId, memento.source, 0,
+ AMOTION_EVENT_ACTION_CANCEL, 0, 0, 0,
+ memento.xPrecision, memento.yPrecision, memento.downTime,
+ memento.pointerCount, memento.pointerIds, memento.pointerCoords));
+ mMotionMementos.removeAt(i);
+ } else {
+ i += 1;
+ }
+ }
+}
+
+void InputDispatcher::InputState::clear() {
+ mKeyMementos.clear();
+ mMotionMementos.clear();
+}
+
+void InputDispatcher::InputState::copyPointerStateTo(InputState& other) const {
+ for (size_t i = 0; i < mMotionMementos.size(); i++) {
+ const MotionMemento& memento = mMotionMementos.itemAt(i);
+ if (memento.source & AINPUT_SOURCE_CLASS_POINTER) {
+ for (size_t j = 0; j < other.mMotionMementos.size(); ) {
+ const MotionMemento& otherMemento = other.mMotionMementos.itemAt(j);
+ if (memento.deviceId == otherMemento.deviceId
+ && memento.source == otherMemento.source) {
+ other.mMotionMementos.removeAt(j);
+ } else {
+ j += 1;
+ }
+ }
+ other.mMotionMementos.push(memento);
+ }
+ }
+}
+
+bool InputDispatcher::InputState::shouldCancelKey(const KeyMemento& memento,
+ CancelationOptions options) {
+ switch (options) {
+ case CANCEL_ALL_EVENTS:
+ case CANCEL_NON_POINTER_EVENTS:
+ return true;
+ case CANCEL_FALLBACK_EVENTS:
+ return memento.flags & AKEY_EVENT_FLAG_FALLBACK;
+ default:
+ return false;
+ }
+}
+
+bool InputDispatcher::InputState::shouldCancelMotion(const MotionMemento& memento,
+ CancelationOptions options) {
+ switch (options) {
+ case CANCEL_ALL_EVENTS:
+ return true;
+ case CANCEL_POINTER_EVENTS:
+ return memento.source & AINPUT_SOURCE_CLASS_POINTER;
+ case CANCEL_NON_POINTER_EVENTS:
+ return !(memento.source & AINPUT_SOURCE_CLASS_POINTER);
+ default:
+ return false;
+ }
+}
+
+
+// --- InputDispatcher::Connection ---
+
+InputDispatcher::Connection::Connection(const sp<InputChannel>& inputChannel) :
+ status(STATUS_NORMAL), inputChannel(inputChannel), inputPublisher(inputChannel),
+ lastEventTime(LONG_LONG_MAX), lastDispatchTime(LONG_LONG_MAX) {
+}
+
+InputDispatcher::Connection::~Connection() {
+}
+
+status_t InputDispatcher::Connection::initialize() {
+ return inputPublisher.initialize();
+}
+
+const char* InputDispatcher::Connection::getStatusLabel() const {
+ switch (status) {
+ case STATUS_NORMAL:
+ return "NORMAL";
+
+ case STATUS_BROKEN:
+ return "BROKEN";
+
+ case STATUS_ZOMBIE:
+ return "ZOMBIE";
+
+ default:
+ return "UNKNOWN";
+ }
+}
+
+InputDispatcher::DispatchEntry* InputDispatcher::Connection::findQueuedDispatchEntryForEvent(
+ const EventEntry* eventEntry) const {
+ for (DispatchEntry* dispatchEntry = outboundQueue.tailSentinel.prev;
+ dispatchEntry != & outboundQueue.headSentinel; dispatchEntry = dispatchEntry->prev) {
+ if (dispatchEntry->eventEntry == eventEntry) {
+ return dispatchEntry;
+ }
+ }
+ return NULL;
+}
+
+
+// --- InputDispatcher::CommandEntry ---
+
+InputDispatcher::CommandEntry::CommandEntry() :
+ keyEntry(NULL) {
+}
+
+InputDispatcher::CommandEntry::~CommandEntry() {
+}
+
+
+// --- InputDispatcher::TouchState ---
+
+InputDispatcher::TouchState::TouchState() :
+ down(false), split(false) {
+}
+
+InputDispatcher::TouchState::~TouchState() {
+}
+
+void InputDispatcher::TouchState::reset() {
+ down = false;
+ split = false;
+ windows.clear();
+}
+
+void InputDispatcher::TouchState::copyFrom(const TouchState& other) {
+ down = other.down;
+ split = other.split;
+ windows.clear();
+ windows.appendVector(other.windows);
+}
+
+void InputDispatcher::TouchState::addOrUpdateWindow(const InputWindow* window,
+ int32_t targetFlags, BitSet32 pointerIds) {
+ if (targetFlags & InputTarget::FLAG_SPLIT) {
+ split = true;
+ }
+
+ for (size_t i = 0; i < windows.size(); i++) {
+ TouchedWindow& touchedWindow = windows.editItemAt(i);
+ if (touchedWindow.window == window) {
+ touchedWindow.targetFlags |= targetFlags;
+ touchedWindow.pointerIds.value |= pointerIds.value;
+ return;
+ }
+ }
+
+ windows.push();
+
+ TouchedWindow& touchedWindow = windows.editTop();
+ touchedWindow.window = window;
+ touchedWindow.targetFlags = targetFlags;
+ touchedWindow.pointerIds = pointerIds;
+ touchedWindow.channel = window->inputChannel;
+}
+
+void InputDispatcher::TouchState::removeOutsideTouchWindows() {
+ for (size_t i = 0 ; i < windows.size(); ) {
+ if (windows[i].targetFlags & InputTarget::FLAG_OUTSIDE) {
+ windows.removeAt(i);
+ } else {
+ i += 1;
+ }
+ }
+}
+
+const InputWindow* InputDispatcher::TouchState::getFirstForegroundWindow() {
+ for (size_t i = 0; i < windows.size(); i++) {
+ if (windows[i].targetFlags & InputTarget::FLAG_FOREGROUND) {
+ return windows[i].window;
+ }
+ }
+ return NULL;
+}
+
+
+// --- InputDispatcherThread ---
+
+InputDispatcherThread::InputDispatcherThread(const sp<InputDispatcherInterface>& dispatcher) :
+ Thread(/*canCallJava*/ true), mDispatcher(dispatcher) {
+}
+
+InputDispatcherThread::~InputDispatcherThread() {
+}
+
+bool InputDispatcherThread::threadLoop() {
+ mDispatcher->dispatchOnce();
+ return true;
+}
+
+} // namespace android
diff --git a/services/input/InputDispatcher.h b/services/input/InputDispatcher.h
new file mode 100644
index 0000000..7305601
--- /dev/null
+++ b/services/input/InputDispatcher.h
@@ -0,0 +1,1110 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_DISPATCHER_H
+#define _UI_INPUT_DISPATCHER_H
+
+#include <ui/Input.h>
+#include <ui/InputTransport.h>
+#include <utils/KeyedVector.h>
+#include <utils/Vector.h>
+#include <utils/threads.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/Looper.h>
+#include <utils/Pool.h>
+#include <utils/BitSet.h>
+
+#include <stddef.h>
+#include <unistd.h>
+#include <limits.h>
+
+
+namespace android {
+
+/*
+ * Constants used to report the outcome of input event injection.
+ */
+enum {
+ /* (INTERNAL USE ONLY) Specifies that injection is pending and its outcome is unknown. */
+ INPUT_EVENT_INJECTION_PENDING = -1,
+
+ /* Injection succeeded. */
+ INPUT_EVENT_INJECTION_SUCCEEDED = 0,
+
+ /* Injection failed because the injector did not have permission to inject
+ * into the application with input focus. */
+ INPUT_EVENT_INJECTION_PERMISSION_DENIED = 1,
+
+ /* Injection failed because there were no available input targets. */
+ INPUT_EVENT_INJECTION_FAILED = 2,
+
+ /* Injection failed due to a timeout. */
+ INPUT_EVENT_INJECTION_TIMED_OUT = 3
+};
+
+/*
+ * Constants used to determine the input event injection synchronization mode.
+ */
+enum {
+ /* Injection is asynchronous and is assumed always to be successful. */
+ INPUT_EVENT_INJECTION_SYNC_NONE = 0,
+
+ /* Waits for previous events to be dispatched so that the input dispatcher can determine
+ * whether input event injection willbe permitted based on the current input focus.
+ * Does not wait for the input event to finish processing. */
+ INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_RESULT = 1,
+
+ /* Waits for the input event to be completely processed. */
+ INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISHED = 2,
+};
+
+
+/*
+ * An input target specifies how an input event is to be dispatched to a particular window
+ * including the window's input channel, control flags, a timeout, and an X / Y offset to
+ * be added to input event coordinates to compensate for the absolute position of the
+ * window area.
+ */
+struct InputTarget {
+ enum {
+ /* This flag indicates that the event is being delivered to a foreground application. */
+ FLAG_FOREGROUND = 0x01,
+
+ /* This flag indicates that a MotionEvent with AMOTION_EVENT_ACTION_DOWN falls outside
+ * of the area of this target and so should instead be delivered as an
+ * AMOTION_EVENT_ACTION_OUTSIDE to this target. */
+ FLAG_OUTSIDE = 0x02,
+
+ /* This flag indicates that the target of a MotionEvent is partly or wholly
+ * obscured by another visible window above it. The motion event should be
+ * delivered with flag AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED. */
+ FLAG_WINDOW_IS_OBSCURED = 0x04,
+
+ /* This flag indicates that a motion event is being split across multiple windows. */
+ FLAG_SPLIT = 0x08,
+ };
+
+ // The input channel to be targeted.
+ sp<InputChannel> inputChannel;
+
+ // Flags for the input target.
+ int32_t flags;
+
+ // The x and y offset to add to a MotionEvent as it is delivered.
+ // (ignored for KeyEvents)
+ float xOffset, yOffset;
+
+ // The subset of pointer ids to include in motion events dispatched to this input target
+ // if FLAG_SPLIT is set.
+ BitSet32 pointerIds;
+};
+
+
+/*
+ * An input window describes the bounds of a window that can receive input.
+ */
+struct InputWindow {
+ // Window flags from WindowManager.LayoutParams
+ enum {
+ FLAG_ALLOW_LOCK_WHILE_SCREEN_ON = 0x00000001,
+ FLAG_DIM_BEHIND = 0x00000002,
+ FLAG_BLUR_BEHIND = 0x00000004,
+ FLAG_NOT_FOCUSABLE = 0x00000008,
+ FLAG_NOT_TOUCHABLE = 0x00000010,
+ FLAG_NOT_TOUCH_MODAL = 0x00000020,
+ FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040,
+ FLAG_KEEP_SCREEN_ON = 0x00000080,
+ FLAG_LAYOUT_IN_SCREEN = 0x00000100,
+ FLAG_LAYOUT_NO_LIMITS = 0x00000200,
+ FLAG_FULLSCREEN = 0x00000400,
+ FLAG_FORCE_NOT_FULLSCREEN = 0x00000800,
+ FLAG_DITHER = 0x00001000,
+ FLAG_SECURE = 0x00002000,
+ FLAG_SCALED = 0x00004000,
+ FLAG_IGNORE_CHEEK_PRESSES = 0x00008000,
+ FLAG_LAYOUT_INSET_DECOR = 0x00010000,
+ FLAG_ALT_FOCUSABLE_IM = 0x00020000,
+ FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000,
+ FLAG_SHOW_WHEN_LOCKED = 0x00080000,
+ FLAG_SHOW_WALLPAPER = 0x00100000,
+ FLAG_TURN_SCREEN_ON = 0x00200000,
+ FLAG_DISMISS_KEYGUARD = 0x00400000,
+ FLAG_SPLIT_TOUCH = 0x00800000,
+ FLAG_KEEP_SURFACE_WHILE_ANIMATING = 0x10000000,
+ FLAG_COMPATIBLE_WINDOW = 0x20000000,
+ FLAG_SYSTEM_ERROR = 0x40000000,
+ };
+
+ // Window types from WindowManager.LayoutParams
+ enum {
+ FIRST_APPLICATION_WINDOW = 1,
+ TYPE_BASE_APPLICATION = 1,
+ TYPE_APPLICATION = 2,
+ TYPE_APPLICATION_STARTING = 3,
+ LAST_APPLICATION_WINDOW = 99,
+ FIRST_SUB_WINDOW = 1000,
+ TYPE_APPLICATION_PANEL = FIRST_SUB_WINDOW,
+ TYPE_APPLICATION_MEDIA = FIRST_SUB_WINDOW+1,
+ TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2,
+ TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3,
+ TYPE_APPLICATION_MEDIA_OVERLAY = FIRST_SUB_WINDOW+4,
+ LAST_SUB_WINDOW = 1999,
+ FIRST_SYSTEM_WINDOW = 2000,
+ TYPE_STATUS_BAR = FIRST_SYSTEM_WINDOW,
+ TYPE_SEARCH_BAR = FIRST_SYSTEM_WINDOW+1,
+ TYPE_PHONE = FIRST_SYSTEM_WINDOW+2,
+ TYPE_SYSTEM_ALERT = FIRST_SYSTEM_WINDOW+3,
+ TYPE_KEYGUARD = FIRST_SYSTEM_WINDOW+4,
+ TYPE_TOAST = FIRST_SYSTEM_WINDOW+5,
+ TYPE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+6,
+ TYPE_PRIORITY_PHONE = FIRST_SYSTEM_WINDOW+7,
+ TYPE_SYSTEM_DIALOG = FIRST_SYSTEM_WINDOW+8,
+ TYPE_KEYGUARD_DIALOG = FIRST_SYSTEM_WINDOW+9,
+ TYPE_SYSTEM_ERROR = FIRST_SYSTEM_WINDOW+10,
+ TYPE_INPUT_METHOD = FIRST_SYSTEM_WINDOW+11,
+ TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12,
+ TYPE_WALLPAPER = FIRST_SYSTEM_WINDOW+13,
+ TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+14,
+ TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15,
+ TYPE_DRAG = FIRST_SYSTEM_WINDOW+16,
+ TYPE_STATUS_BAR_PANEL = FIRST_SYSTEM_WINDOW+17,
+ LAST_SYSTEM_WINDOW = 2999,
+ };
+
+ sp<InputChannel> inputChannel;
+ String8 name;
+ int32_t layoutParamsFlags;
+ int32_t layoutParamsType;
+ nsecs_t dispatchingTimeout;
+ int32_t frameLeft;
+ int32_t frameTop;
+ int32_t frameRight;
+ int32_t frameBottom;
+ int32_t visibleFrameLeft;
+ int32_t visibleFrameTop;
+ int32_t visibleFrameRight;
+ int32_t visibleFrameBottom;
+ int32_t touchableAreaLeft;
+ int32_t touchableAreaTop;
+ int32_t touchableAreaRight;
+ int32_t touchableAreaBottom;
+ bool visible;
+ bool canReceiveKeys;
+ bool hasFocus;
+ bool hasWallpaper;
+ bool paused;
+ int32_t layer;
+ int32_t ownerPid;
+ int32_t ownerUid;
+
+ bool touchableAreaContainsPoint(int32_t x, int32_t y) const;
+ bool frameContainsPoint(int32_t x, int32_t y) const;
+
+ /* Returns true if the window is of a trusted type that is allowed to silently
+ * overlay other windows for the purpose of implementing the secure views feature.
+ * Trusted overlays, such as IME windows, can partly obscure other windows without causing
+ * motion events to be delivered to them with AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED.
+ */
+ bool isTrustedOverlay() const;
+
+ bool supportsSplitTouch() const;
+};
+
+
+/*
+ * A private handle type used by the input manager to track the window.
+ */
+class InputApplicationHandle : public RefBase {
+protected:
+ InputApplicationHandle() { }
+ virtual ~InputApplicationHandle() { }
+};
+
+
+/*
+ * An input application describes properties of an application that can receive input.
+ */
+struct InputApplication {
+ String8 name;
+ nsecs_t dispatchingTimeout;
+ sp<InputApplicationHandle> handle;
+};
+
+
+/*
+ * Input dispatcher policy interface.
+ *
+ * The input reader policy is used by the input reader to interact with the Window Manager
+ * and other system components.
+ *
+ * The actual implementation is partially supported by callbacks into the DVM
+ * via JNI. This interface is also mocked in the unit tests.
+ */
+class InputDispatcherPolicyInterface : public virtual RefBase {
+protected:
+ InputDispatcherPolicyInterface() { }
+ virtual ~InputDispatcherPolicyInterface() { }
+
+public:
+ /* Notifies the system that a configuration change has occurred. */
+ virtual void notifyConfigurationChanged(nsecs_t when) = 0;
+
+ /* Notifies the system that an application is not responding.
+ * Returns a new timeout to continue waiting, or 0 to abort dispatch. */
+ virtual nsecs_t notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle,
+ const sp<InputChannel>& inputChannel) = 0;
+
+ /* Notifies the system that an input channel is unrecoverably broken. */
+ virtual void notifyInputChannelBroken(const sp<InputChannel>& inputChannel) = 0;
+
+ /* Gets the key repeat initial timeout or -1 if automatic key repeating is disabled. */
+ virtual nsecs_t getKeyRepeatTimeout() = 0;
+
+ /* Gets the key repeat inter-key delay. */
+ virtual nsecs_t getKeyRepeatDelay() = 0;
+
+ /* Gets the maximum suggested event delivery rate per second.
+ * This value is used to throttle motion event movement actions on a per-device
+ * basis. It is not intended to be a hard limit.
+ */
+ virtual int32_t getMaxEventsPerSecond() = 0;
+
+ /* Intercepts a key event immediately before queueing it.
+ * The policy can use this method as an opportunity to perform power management functions
+ * and early event preprocessing such as updating policy flags.
+ *
+ * This method is expected to set the POLICY_FLAG_PASS_TO_USER policy flag if the event
+ * should be dispatched to applications.
+ */
+ virtual void interceptKeyBeforeQueueing(const KeyEvent* keyEvent, uint32_t& policyFlags) = 0;
+
+ /* Intercepts a generic touch, trackball or other event before queueing it.
+ * The policy can use this method as an opportunity to perform power management functions
+ * and early event preprocessing such as updating policy flags.
+ *
+ * This method is expected to set the POLICY_FLAG_PASS_TO_USER policy flag if the event
+ * should be dispatched to applications.
+ */
+ virtual void interceptGenericBeforeQueueing(nsecs_t when, uint32_t& policyFlags) = 0;
+
+ /* Allows the policy a chance to intercept a key before dispatching. */
+ virtual bool interceptKeyBeforeDispatching(const sp<InputChannel>& inputChannel,
+ const KeyEvent* keyEvent, uint32_t policyFlags) = 0;
+
+ /* Allows the policy a chance to perform default processing for an unhandled key.
+ * Returns an alternate keycode to redispatch as a fallback, or 0 to give up. */
+ virtual bool dispatchUnhandledKey(const sp<InputChannel>& inputChannel,
+ const KeyEvent* keyEvent, uint32_t policyFlags, KeyEvent* outFallbackKeyEvent) = 0;
+
+ /* Notifies the policy about switch events.
+ */
+ virtual void notifySwitch(nsecs_t when,
+ int32_t switchCode, int32_t switchValue, uint32_t policyFlags) = 0;
+
+ /* Poke user activity for an event dispatched to a window. */
+ virtual void pokeUserActivity(nsecs_t eventTime, int32_t eventType) = 0;
+
+ /* Checks whether a given application pid/uid has permission to inject input events
+ * into other applications.
+ *
+ * This method is special in that its implementation promises to be non-reentrant and
+ * is safe to call while holding other locks. (Most other methods make no such guarantees!)
+ */
+ virtual bool checkInjectEventsPermissionNonReentrant(
+ int32_t injectorPid, int32_t injectorUid) = 0;
+};
+
+
+/* Notifies the system about input events generated by the input reader.
+ * The dispatcher is expected to be mostly asynchronous. */
+class InputDispatcherInterface : public virtual RefBase {
+protected:
+ InputDispatcherInterface() { }
+ virtual ~InputDispatcherInterface() { }
+
+public:
+ /* Dumps the state of the input dispatcher.
+ *
+ * This method may be called on any thread (usually by the input manager). */
+ virtual void dump(String8& dump) = 0;
+
+ /* Runs a single iteration of the dispatch loop.
+ * Nominally processes one queued event, a timeout, or a response from an input consumer.
+ *
+ * This method should only be called on the input dispatcher thread.
+ */
+ virtual void dispatchOnce() = 0;
+
+ /* Notifies the dispatcher about new events.
+ *
+ * These methods should only be called on the input reader thread.
+ */
+ virtual void notifyConfigurationChanged(nsecs_t eventTime) = 0;
+ virtual void notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t source,
+ uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode,
+ int32_t scanCode, int32_t metaState, nsecs_t downTime) = 0;
+ virtual void notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
+ uint32_t policyFlags, int32_t action, int32_t flags,
+ int32_t metaState, int32_t edgeFlags,
+ uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
+ float xPrecision, float yPrecision, nsecs_t downTime) = 0;
+ virtual void notifySwitch(nsecs_t when,
+ int32_t switchCode, int32_t switchValue, uint32_t policyFlags) = 0;
+
+ /* Injects an input event and optionally waits for sync.
+ * The synchronization mode determines whether the method blocks while waiting for
+ * input injection to proceed.
+ * Returns one of the INPUT_EVENT_INJECTION_XXX constants.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual int32_t injectInputEvent(const InputEvent* event,
+ int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis) = 0;
+
+ /* Sets the list of input windows.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual void setInputWindows(const Vector<InputWindow>& inputWindows) = 0;
+
+ /* Sets the focused application.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual void setFocusedApplication(const InputApplication* inputApplication) = 0;
+
+ /* Sets the input dispatching mode.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual void setInputDispatchMode(bool enabled, bool frozen) = 0;
+
+ /* Transfers touch focus from the window associated with one channel to the
+ * window associated with the other channel.
+ *
+ * Returns true on success. False if the window did not actually have touch focus.
+ */
+ virtual bool transferTouchFocus(const sp<InputChannel>& fromChannel,
+ const sp<InputChannel>& toChannel) = 0;
+
+ /* Registers or unregister input channels that may be used as targets for input events.
+ * If monitor is true, the channel will receive a copy of all input events.
+ *
+ * These methods may be called on any thread (usually by the input manager).
+ */
+ virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel, bool monitor) = 0;
+ virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel) = 0;
+};
+
+/* Dispatches events to input targets. Some functions of the input dispatcher, such as
+ * identifying input targets, are controlled by a separate policy object.
+ *
+ * IMPORTANT INVARIANT:
+ * Because the policy can potentially block or cause re-entrance into the input dispatcher,
+ * the input dispatcher never calls into the policy while holding its internal locks.
+ * The implementation is also carefully designed to recover from scenarios such as an
+ * input channel becoming unregistered while identifying input targets or processing timeouts.
+ *
+ * Methods marked 'Locked' must be called with the lock acquired.
+ *
+ * Methods marked 'LockedInterruptible' must be called with the lock acquired but
+ * may during the course of their execution release the lock, call into the policy, and
+ * then reacquire the lock. The caller is responsible for recovering gracefully.
+ *
+ * A 'LockedInterruptible' method may called a 'Locked' method, but NOT vice-versa.
+ */
+class InputDispatcher : public InputDispatcherInterface {
+protected:
+ virtual ~InputDispatcher();
+
+public:
+ explicit InputDispatcher(const sp<InputDispatcherPolicyInterface>& policy);
+
+ virtual void dump(String8& dump);
+
+ virtual void dispatchOnce();
+
+ virtual void notifyConfigurationChanged(nsecs_t eventTime);
+ virtual void notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t source,
+ uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode,
+ int32_t scanCode, int32_t metaState, nsecs_t downTime);
+ virtual void notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
+ uint32_t policyFlags, int32_t action, int32_t flags,
+ int32_t metaState, int32_t edgeFlags,
+ uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
+ float xPrecision, float yPrecision, nsecs_t downTime);
+ virtual void notifySwitch(nsecs_t when,
+ int32_t switchCode, int32_t switchValue, uint32_t policyFlags) ;
+
+ virtual int32_t injectInputEvent(const InputEvent* event,
+ int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis);
+
+ virtual void setInputWindows(const Vector<InputWindow>& inputWindows);
+ virtual void setFocusedApplication(const InputApplication* inputApplication);
+ virtual void setInputDispatchMode(bool enabled, bool frozen);
+
+ virtual bool transferTouchFocus(const sp<InputChannel>& fromChannel,
+ const sp<InputChannel>& toChannel);
+
+ virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel, bool monitor);
+ virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel);
+
+private:
+ template <typename T>
+ struct Link {
+ T* next;
+ T* prev;
+ };
+
+ struct InjectionState {
+ mutable int32_t refCount;
+
+ int32_t injectorPid;
+ int32_t injectorUid;
+ int32_t injectionResult; // initially INPUT_EVENT_INJECTION_PENDING
+ bool injectionIsAsync; // set to true if injection is not waiting for the result
+ int32_t pendingForegroundDispatches; // the number of foreground dispatches in progress
+ };
+
+ struct EventEntry : Link<EventEntry> {
+ enum {
+ TYPE_SENTINEL,
+ TYPE_CONFIGURATION_CHANGED,
+ TYPE_KEY,
+ TYPE_MOTION
+ };
+
+ mutable int32_t refCount;
+ int32_t type;
+ nsecs_t eventTime;
+ uint32_t policyFlags;
+ InjectionState* injectionState;
+
+ bool dispatchInProgress; // initially false, set to true while dispatching
+
+ inline bool isInjected() { return injectionState != NULL; }
+ };
+
+ struct ConfigurationChangedEntry : EventEntry {
+ };
+
+ struct KeyEntry : EventEntry {
+ int32_t deviceId;
+ int32_t source;
+ int32_t action;
+ int32_t flags;
+ int32_t keyCode;
+ int32_t scanCode;
+ int32_t metaState;
+ int32_t repeatCount;
+ nsecs_t downTime;
+
+ bool syntheticRepeat; // set to true for synthetic key repeats
+
+ enum InterceptKeyResult {
+ INTERCEPT_KEY_RESULT_UNKNOWN,
+ INTERCEPT_KEY_RESULT_SKIP,
+ INTERCEPT_KEY_RESULT_CONTINUE,
+ };
+ InterceptKeyResult interceptKeyResult; // set based on the interception result
+ };
+
+ struct MotionSample {
+ MotionSample* next;
+
+ nsecs_t eventTime;
+ PointerCoords pointerCoords[MAX_POINTERS];
+ };
+
+ struct MotionEntry : EventEntry {
+ int32_t deviceId;
+ int32_t source;
+ int32_t action;
+ int32_t flags;
+ int32_t metaState;
+ int32_t edgeFlags;
+ float xPrecision;
+ float yPrecision;
+ nsecs_t downTime;
+ uint32_t pointerCount;
+ int32_t pointerIds[MAX_POINTERS];
+
+ // Linked list of motion samples associated with this motion event.
+ MotionSample firstSample;
+ MotionSample* lastSample;
+
+ uint32_t countSamples() const;
+ };
+
+ // Tracks the progress of dispatching a particular event to a particular connection.
+ struct DispatchEntry : Link<DispatchEntry> {
+ EventEntry* eventEntry; // the event to dispatch
+ int32_t targetFlags;
+ float xOffset;
+ float yOffset;
+
+ // True if dispatch has started.
+ bool inProgress;
+
+ // For motion events:
+ // Pointer to the first motion sample to dispatch in this cycle.
+ // Usually NULL to indicate that the list of motion samples begins at
+ // MotionEntry::firstSample. Otherwise, some samples were dispatched in a previous
+ // cycle and this pointer indicates the location of the first remainining sample
+ // to dispatch during the current cycle.
+ MotionSample* headMotionSample;
+ // Pointer to a motion sample to dispatch in the next cycle if the dispatcher was
+ // unable to send all motion samples during this cycle. On the next cycle,
+ // headMotionSample will be initialized to tailMotionSample and tailMotionSample
+ // will be set to NULL.
+ MotionSample* tailMotionSample;
+
+ inline bool hasForegroundTarget() const {
+ return targetFlags & InputTarget::FLAG_FOREGROUND;
+ }
+
+ inline bool isSplit() const {
+ return targetFlags & InputTarget::FLAG_SPLIT;
+ }
+ };
+
+ // A command entry captures state and behavior for an action to be performed in the
+ // dispatch loop after the initial processing has taken place. It is essentially
+ // a kind of continuation used to postpone sensitive policy interactions to a point
+ // in the dispatch loop where it is safe to release the lock (generally after finishing
+ // the critical parts of the dispatch cycle).
+ //
+ // The special thing about commands is that they can voluntarily release and reacquire
+ // the dispatcher lock at will. Initially when the command starts running, the
+ // dispatcher lock is held. However, if the command needs to call into the policy to
+ // do some work, it can release the lock, do the work, then reacquire the lock again
+ // before returning.
+ //
+ // This mechanism is a bit clunky but it helps to preserve the invariant that the dispatch
+ // never calls into the policy while holding its lock.
+ //
+ // Commands are implicitly 'LockedInterruptible'.
+ struct CommandEntry;
+ typedef void (InputDispatcher::*Command)(CommandEntry* commandEntry);
+
+ class Connection;
+ struct CommandEntry : Link<CommandEntry> {
+ CommandEntry();
+ ~CommandEntry();
+
+ Command command;
+
+ // parameters for the command (usage varies by command)
+ sp<Connection> connection;
+ nsecs_t eventTime;
+ KeyEntry* keyEntry;
+ sp<InputChannel> inputChannel;
+ sp<InputApplicationHandle> inputApplicationHandle;
+ int32_t userActivityEventType;
+ bool handled;
+ };
+
+ // Generic queue implementation.
+ template <typename T>
+ struct Queue {
+ T headSentinel;
+ T tailSentinel;
+
+ inline Queue() {
+ headSentinel.prev = NULL;
+ headSentinel.next = & tailSentinel;
+ tailSentinel.prev = & headSentinel;
+ tailSentinel.next = NULL;
+ }
+
+ inline bool isEmpty() const {
+ return headSentinel.next == & tailSentinel;
+ }
+
+ inline void enqueueAtTail(T* entry) {
+ T* last = tailSentinel.prev;
+ last->next = entry;
+ entry->prev = last;
+ entry->next = & tailSentinel;
+ tailSentinel.prev = entry;
+ }
+
+ inline void enqueueAtHead(T* entry) {
+ T* first = headSentinel.next;
+ headSentinel.next = entry;
+ entry->prev = & headSentinel;
+ entry->next = first;
+ first->prev = entry;
+ }
+
+ inline void dequeue(T* entry) {
+ entry->prev->next = entry->next;
+ entry->next->prev = entry->prev;
+ }
+
+ inline T* dequeueAtHead() {
+ T* first = headSentinel.next;
+ dequeue(first);
+ return first;
+ }
+
+ uint32_t count() const;
+ };
+
+ /* Allocates queue entries and performs reference counting as needed. */
+ class Allocator {
+ public:
+ Allocator();
+
+ InjectionState* obtainInjectionState(int32_t injectorPid, int32_t injectorUid);
+ ConfigurationChangedEntry* obtainConfigurationChangedEntry(nsecs_t eventTime);
+ KeyEntry* obtainKeyEntry(nsecs_t eventTime,
+ int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action,
+ int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
+ int32_t repeatCount, nsecs_t downTime);
+ MotionEntry* obtainMotionEntry(nsecs_t eventTime,
+ int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action,
+ int32_t flags, int32_t metaState, int32_t edgeFlags,
+ float xPrecision, float yPrecision,
+ nsecs_t downTime, uint32_t pointerCount,
+ const int32_t* pointerIds, const PointerCoords* pointerCoords);
+ DispatchEntry* obtainDispatchEntry(EventEntry* eventEntry,
+ int32_t targetFlags, float xOffset, float yOffset);
+ CommandEntry* obtainCommandEntry(Command command);
+
+ void releaseInjectionState(InjectionState* injectionState);
+ void releaseEventEntry(EventEntry* entry);
+ void releaseConfigurationChangedEntry(ConfigurationChangedEntry* entry);
+ void releaseKeyEntry(KeyEntry* entry);
+ void releaseMotionEntry(MotionEntry* entry);
+ void releaseDispatchEntry(DispatchEntry* entry);
+ void releaseCommandEntry(CommandEntry* entry);
+
+ void recycleKeyEntry(KeyEntry* entry);
+
+ void appendMotionSample(MotionEntry* motionEntry,
+ nsecs_t eventTime, const PointerCoords* pointerCoords);
+
+ private:
+ Pool<InjectionState> mInjectionStatePool;
+ Pool<ConfigurationChangedEntry> mConfigurationChangeEntryPool;
+ Pool<KeyEntry> mKeyEntryPool;
+ Pool<MotionEntry> mMotionEntryPool;
+ Pool<MotionSample> mMotionSamplePool;
+ Pool<DispatchEntry> mDispatchEntryPool;
+ Pool<CommandEntry> mCommandEntryPool;
+
+ void initializeEventEntry(EventEntry* entry, int32_t type, nsecs_t eventTime,
+ uint32_t policyFlags);
+ void releaseEventEntryInjectionState(EventEntry* entry);
+ };
+
+ /* Tracks dispatched key and motion event state so that cancelation events can be
+ * synthesized when events are dropped. */
+ class InputState {
+ public:
+ // Specifies whether a given event will violate input state consistency.
+ enum Consistency {
+ // The event is consistent with the current input state.
+ CONSISTENT,
+ // The event is inconsistent with the current input state but applications
+ // will tolerate it. eg. Down followed by another down.
+ TOLERABLE,
+ // The event is inconsistent with the current input state and will probably
+ // cause applications to crash. eg. Up without prior down, move with
+ // unexpected number of pointers.
+ BROKEN
+ };
+
+ // Specifies the sources to cancel.
+ enum CancelationOptions {
+ CANCEL_ALL_EVENTS = 0,
+ CANCEL_POINTER_EVENTS = 1,
+ CANCEL_NON_POINTER_EVENTS = 2,
+ CANCEL_FALLBACK_EVENTS = 3,
+ };
+
+ InputState();
+ ~InputState();
+
+ // Returns true if there is no state to be canceled.
+ bool isNeutral() const;
+
+ // Records tracking information for an event that has just been published.
+ // Returns whether the event is consistent with the current input state.
+ Consistency trackEvent(const EventEntry* entry);
+
+ // Records tracking information for a key event that has just been published.
+ // Returns whether the event is consistent with the current input state.
+ Consistency trackKey(const KeyEntry* entry);
+
+ // Records tracking information for a motion event that has just been published.
+ // Returns whether the event is consistent with the current input state.
+ Consistency trackMotion(const MotionEntry* entry);
+
+ // Synthesizes cancelation events for the current state and resets the tracked state.
+ void synthesizeCancelationEvents(nsecs_t currentTime, Allocator* allocator,
+ Vector<EventEntry*>& outEvents, CancelationOptions options);
+
+ // Clears the current state.
+ void clear();
+
+ // Copies pointer-related parts of the input state to another instance.
+ void copyPointerStateTo(InputState& other) const;
+
+ private:
+ struct KeyMemento {
+ int32_t deviceId;
+ int32_t source;
+ int32_t keyCode;
+ int32_t scanCode;
+ int32_t flags;
+ nsecs_t downTime;
+ };
+
+ struct MotionMemento {
+ int32_t deviceId;
+ int32_t source;
+ float xPrecision;
+ float yPrecision;
+ nsecs_t downTime;
+ uint32_t pointerCount;
+ int32_t pointerIds[MAX_POINTERS];
+ PointerCoords pointerCoords[MAX_POINTERS];
+
+ void setPointers(const MotionEntry* entry);
+ };
+
+ Vector<KeyMemento> mKeyMementos;
+ Vector<MotionMemento> mMotionMementos;
+
+ static bool shouldCancelKey(const KeyMemento& memento,
+ CancelationOptions options);
+ static bool shouldCancelMotion(const MotionMemento& memento,
+ CancelationOptions options);
+ };
+
+ /* Manages the dispatch state associated with a single input channel. */
+ class Connection : public RefBase {
+ protected:
+ virtual ~Connection();
+
+ public:
+ enum Status {
+ // Everything is peachy.
+ STATUS_NORMAL,
+ // An unrecoverable communication error has occurred.
+ STATUS_BROKEN,
+ // The input channel has been unregistered.
+ STATUS_ZOMBIE
+ };
+
+ Status status;
+ sp<InputChannel> inputChannel;
+ InputPublisher inputPublisher;
+ InputState inputState;
+ Queue<DispatchEntry> outboundQueue;
+
+ nsecs_t lastEventTime; // the time when the event was originally captured
+ nsecs_t lastDispatchTime; // the time when the last event was dispatched
+
+ explicit Connection(const sp<InputChannel>& inputChannel);
+
+ inline const char* getInputChannelName() const { return inputChannel->getName().string(); }
+
+ const char* getStatusLabel() const;
+
+ // Finds a DispatchEntry in the outbound queue associated with the specified event.
+ // Returns NULL if not found.
+ DispatchEntry* findQueuedDispatchEntryForEvent(const EventEntry* eventEntry) const;
+
+ // Gets the time since the current event was originally obtained from the input driver.
+ inline double getEventLatencyMillis(nsecs_t currentTime) const {
+ return (currentTime - lastEventTime) / 1000000.0;
+ }
+
+ // Gets the time since the current event entered the outbound dispatch queue.
+ inline double getDispatchLatencyMillis(nsecs_t currentTime) const {
+ return (currentTime - lastDispatchTime) / 1000000.0;
+ }
+
+ status_t initialize();
+ };
+
+ enum DropReason {
+ DROP_REASON_NOT_DROPPED = 0,
+ DROP_REASON_POLICY = 1,
+ DROP_REASON_APP_SWITCH = 2,
+ DROP_REASON_DISABLED = 3,
+ };
+
+ sp<InputDispatcherPolicyInterface> mPolicy;
+
+ Mutex mLock;
+
+ Allocator mAllocator;
+ sp<Looper> mLooper;
+
+ EventEntry* mPendingEvent;
+ Queue<EventEntry> mInboundQueue;
+ Queue<CommandEntry> mCommandQueue;
+
+ Vector<EventEntry*> mTempCancelationEvents;
+
+ void dispatchOnceInnerLocked(nsecs_t keyRepeatTimeout, nsecs_t keyRepeatDelay,
+ nsecs_t* nextWakeupTime);
+
+ // Enqueues an inbound event. Returns true if mLooper->wake() should be called.
+ bool enqueueInboundEventLocked(EventEntry* entry);
+
+ // Cleans up input state when dropping an inbound event.
+ void dropInboundEventLocked(EventEntry* entry, DropReason dropReason);
+
+ // App switch latency optimization.
+ bool mAppSwitchSawKeyDown;
+ nsecs_t mAppSwitchDueTime;
+
+ static bool isAppSwitchKeyCode(int32_t keyCode);
+ bool isAppSwitchKeyEventLocked(KeyEntry* keyEntry);
+ bool isAppSwitchPendingLocked();
+ void resetPendingAppSwitchLocked(bool handled);
+
+ // All registered connections mapped by receive pipe file descriptor.
+ KeyedVector<int, sp<Connection> > mConnectionsByReceiveFd;
+
+ ssize_t getConnectionIndexLocked(const sp<InputChannel>& inputChannel);
+
+ // Active connections are connections that have a non-empty outbound queue.
+ // We don't use a ref-counted pointer here because we explicitly abort connections
+ // during unregistration which causes the connection's outbound queue to be cleared
+ // and the connection itself to be deactivated.
+ Vector<Connection*> mActiveConnections;
+
+ // Input channels that will receive a copy of all input events.
+ Vector<sp<InputChannel> > mMonitoringChannels;
+
+ // Event injection and synchronization.
+ Condition mInjectionResultAvailableCondition;
+ bool hasInjectionPermission(int32_t injectorPid, int32_t injectorUid);
+ void setInjectionResultLocked(EventEntry* entry, int32_t injectionResult);
+
+ Condition mInjectionSyncFinishedCondition;
+ void incrementPendingForegroundDispatchesLocked(EventEntry* entry);
+ void decrementPendingForegroundDispatchesLocked(EventEntry* entry);
+
+ // Throttling state.
+ struct ThrottleState {
+ nsecs_t minTimeBetweenEvents;
+
+ nsecs_t lastEventTime;
+ int32_t lastDeviceId;
+ uint32_t lastSource;
+
+ uint32_t originalSampleCount; // only collected during debugging
+ } mThrottleState;
+
+ // Key repeat tracking.
+ struct KeyRepeatState {
+ KeyEntry* lastKeyEntry; // or null if no repeat
+ nsecs_t nextRepeatTime;
+ } mKeyRepeatState;
+
+ void resetKeyRepeatLocked();
+ KeyEntry* synthesizeKeyRepeatLocked(nsecs_t currentTime, nsecs_t keyRepeatTimeout);
+
+ // Deferred command processing.
+ bool runCommandsLockedInterruptible();
+ CommandEntry* postCommandLocked(Command command);
+
+ // Inbound event processing.
+ void drainInboundQueueLocked();
+ void releasePendingEventLocked();
+ void releaseInboundEventLocked(EventEntry* entry);
+
+ // Dispatch state.
+ bool mDispatchEnabled;
+ bool mDispatchFrozen;
+
+ Vector<InputWindow> mWindows;
+
+ const InputWindow* getWindowLocked(const sp<InputChannel>& inputChannel);
+
+ // Focus tracking for keys, trackball, etc.
+ const InputWindow* mFocusedWindow;
+
+ // Focus tracking for touch.
+ struct TouchedWindow {
+ const InputWindow* window;
+ int32_t targetFlags;
+ BitSet32 pointerIds; // zero unless target flag FLAG_SPLIT is set
+ sp<InputChannel> channel;
+ };
+ struct TouchState {
+ bool down;
+ bool split;
+ Vector<TouchedWindow> windows;
+
+ TouchState();
+ ~TouchState();
+ void reset();
+ void copyFrom(const TouchState& other);
+ void addOrUpdateWindow(const InputWindow* window, int32_t targetFlags, BitSet32 pointerIds);
+ void removeOutsideTouchWindows();
+ const InputWindow* getFirstForegroundWindow();
+ };
+
+ TouchState mTouchState;
+ TouchState mTempTouchState;
+
+ // Focused application.
+ InputApplication* mFocusedApplication;
+ InputApplication mFocusedApplicationStorage; // preallocated storage for mFocusedApplication
+ void releaseFocusedApplicationLocked();
+
+ // Dispatch inbound events.
+ bool dispatchConfigurationChangedLocked(
+ nsecs_t currentTime, ConfigurationChangedEntry* entry);
+ bool dispatchKeyLocked(
+ nsecs_t currentTime, KeyEntry* entry, nsecs_t keyRepeatTimeout,
+ DropReason* dropReason, nsecs_t* nextWakeupTime);
+ bool dispatchMotionLocked(
+ nsecs_t currentTime, MotionEntry* entry,
+ DropReason* dropReason, nsecs_t* nextWakeupTime);
+ void dispatchEventToCurrentInputTargetsLocked(
+ nsecs_t currentTime, EventEntry* entry, bool resumeWithAppendedMotionSample);
+
+ void logOutboundKeyDetailsLocked(const char* prefix, const KeyEntry* entry);
+ void logOutboundMotionDetailsLocked(const char* prefix, const MotionEntry* entry);
+
+ // The input targets that were most recently identified for dispatch.
+ bool mCurrentInputTargetsValid; // false while targets are being recomputed
+ Vector<InputTarget> mCurrentInputTargets;
+
+ enum InputTargetWaitCause {
+ INPUT_TARGET_WAIT_CAUSE_NONE,
+ INPUT_TARGET_WAIT_CAUSE_SYSTEM_NOT_READY,
+ INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY,
+ };
+
+ InputTargetWaitCause mInputTargetWaitCause;
+ nsecs_t mInputTargetWaitStartTime;
+ nsecs_t mInputTargetWaitTimeoutTime;
+ bool mInputTargetWaitTimeoutExpired;
+
+ // Finding targets for input events.
+ void resetTargetsLocked();
+ void commitTargetsLocked();
+ int32_t handleTargetsNotReadyLocked(nsecs_t currentTime, const EventEntry* entry,
+ const InputApplication* application, const InputWindow* window,
+ nsecs_t* nextWakeupTime);
+ void resumeAfterTargetsNotReadyTimeoutLocked(nsecs_t newTimeout,
+ const sp<InputChannel>& inputChannel);
+ nsecs_t getTimeSpentWaitingForApplicationLocked(nsecs_t currentTime);
+ void resetANRTimeoutsLocked();
+
+ int32_t findFocusedWindowTargetsLocked(nsecs_t currentTime, const EventEntry* entry,
+ nsecs_t* nextWakeupTime);
+ int32_t findTouchedWindowTargetsLocked(nsecs_t currentTime, const MotionEntry* entry,
+ nsecs_t* nextWakeupTime);
+
+ void addWindowTargetLocked(const InputWindow* window, int32_t targetFlags,
+ BitSet32 pointerIds);
+ void addMonitoringTargetsLocked();
+ void pokeUserActivityLocked(const EventEntry* eventEntry);
+ bool checkInjectionPermission(const InputWindow* window, const InjectionState* injectionState);
+ bool isWindowObscuredAtPointLocked(const InputWindow* window, int32_t x, int32_t y) const;
+ bool isWindowFinishedWithPreviousInputLocked(const InputWindow* window);
+ String8 getApplicationWindowLabelLocked(const InputApplication* application,
+ const InputWindow* window);
+
+ // Manage the dispatch cycle for a single connection.
+ // These methods are deliberately not Interruptible because doing all of the work
+ // with the mutex held makes it easier to ensure that connection invariants are maintained.
+ // If needed, the methods post commands to run later once the critical bits are done.
+ void prepareDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection,
+ EventEntry* eventEntry, const InputTarget* inputTarget,
+ bool resumeWithAppendedMotionSample);
+ void startDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection);
+ void finishDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection,
+ bool handled);
+ void startNextDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection);
+ void abortBrokenDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection);
+ void drainOutboundQueueLocked(Connection* connection);
+ static int handleReceiveCallback(int receiveFd, int events, void* data);
+
+ void synthesizeCancelationEventsForAllConnectionsLocked(
+ InputState::CancelationOptions options, const char* reason);
+ void synthesizeCancelationEventsForInputChannelLocked(const sp<InputChannel>& channel,
+ InputState::CancelationOptions options, const char* reason);
+ void synthesizeCancelationEventsForConnectionLocked(const sp<Connection>& connection,
+ InputState::CancelationOptions options, const char* reason);
+
+ // Splitting motion events across windows.
+ MotionEntry* splitMotionEvent(const MotionEntry* originalMotionEntry, BitSet32 pointerIds);
+
+ // Reset and drop everything the dispatcher is doing.
+ void resetAndDropEverythingLocked(const char* reason);
+
+ // Dump state.
+ void dumpDispatchStateLocked(String8& dump);
+ void logDispatchStateLocked();
+
+ // Add or remove a connection to the mActiveConnections vector.
+ void activateConnectionLocked(Connection* connection);
+ void deactivateConnectionLocked(Connection* connection);
+
+ // Interesting events that we might like to log or tell the framework about.
+ void onDispatchCycleStartedLocked(
+ nsecs_t currentTime, const sp<Connection>& connection);
+ void onDispatchCycleFinishedLocked(
+ nsecs_t currentTime, const sp<Connection>& connection, bool handled);
+ void onDispatchCycleBrokenLocked(
+ nsecs_t currentTime, const sp<Connection>& connection);
+ void onANRLocked(
+ nsecs_t currentTime, const InputApplication* application, const InputWindow* window,
+ nsecs_t eventTime, nsecs_t waitStartTime);
+
+ // Outbound policy interactions.
+ void doNotifyConfigurationChangedInterruptible(CommandEntry* commandEntry);
+ void doNotifyInputChannelBrokenLockedInterruptible(CommandEntry* commandEntry);
+ void doNotifyANRLockedInterruptible(CommandEntry* commandEntry);
+ void doInterceptKeyBeforeDispatchingLockedInterruptible(CommandEntry* commandEntry);
+ void doDispatchCycleFinishedLockedInterruptible(CommandEntry* commandEntry);
+ void doPokeUserActivityLockedInterruptible(CommandEntry* commandEntry);
+ void initializeKeyEvent(KeyEvent* event, const KeyEntry* entry);
+
+ // Statistics gathering.
+ void updateDispatchStatisticsLocked(nsecs_t currentTime, const EventEntry* entry,
+ int32_t injectionResult, nsecs_t timeSpentWaitingForApplication);
+};
+
+/* Enqueues and dispatches input events, endlessly. */
+class InputDispatcherThread : public Thread {
+public:
+ explicit InputDispatcherThread(const sp<InputDispatcherInterface>& dispatcher);
+ ~InputDispatcherThread();
+
+private:
+ virtual bool threadLoop();
+
+ sp<InputDispatcherInterface> mDispatcher;
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_DISPATCHER_H
diff --git a/services/input/InputManager.cpp b/services/input/InputManager.cpp
new file mode 100644
index 0000000..5dfa5d5
--- /dev/null
+++ b/services/input/InputManager.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputManager"
+
+//#define LOG_NDEBUG 0
+
+#include "InputManager.h"
+
+#include <cutils/log.h>
+
+namespace android {
+
+InputManager::InputManager(
+ const sp<EventHubInterface>& eventHub,
+ const sp<InputReaderPolicyInterface>& readerPolicy,
+ const sp<InputDispatcherPolicyInterface>& dispatcherPolicy) {
+ mDispatcher = new InputDispatcher(dispatcherPolicy);
+ mReader = new InputReader(eventHub, readerPolicy, mDispatcher);
+ initialize();
+}
+
+InputManager::InputManager(
+ const sp<InputReaderInterface>& reader,
+ const sp<InputDispatcherInterface>& dispatcher) :
+ mReader(reader),
+ mDispatcher(dispatcher) {
+ initialize();
+}
+
+InputManager::~InputManager() {
+ stop();
+}
+
+void InputManager::initialize() {
+ mReaderThread = new InputReaderThread(mReader);
+ mDispatcherThread = new InputDispatcherThread(mDispatcher);
+}
+
+status_t InputManager::start() {
+ status_t result = mDispatcherThread->run("InputDispatcher", PRIORITY_URGENT_DISPLAY);
+ if (result) {
+ LOGE("Could not start InputDispatcher thread due to error %d.", result);
+ return result;
+ }
+
+ result = mReaderThread->run("InputReader", PRIORITY_URGENT_DISPLAY);
+ if (result) {
+ LOGE("Could not start InputReader thread due to error %d.", result);
+
+ mDispatcherThread->requestExit();
+ return result;
+ }
+
+ return OK;
+}
+
+status_t InputManager::stop() {
+ status_t result = mReaderThread->requestExitAndWait();
+ if (result) {
+ LOGW("Could not stop InputReader thread due to error %d.", result);
+ }
+
+ result = mDispatcherThread->requestExitAndWait();
+ if (result) {
+ LOGW("Could not stop InputDispatcher thread due to error %d.", result);
+ }
+
+ return OK;
+}
+
+sp<InputReaderInterface> InputManager::getReader() {
+ return mReader;
+}
+
+sp<InputDispatcherInterface> InputManager::getDispatcher() {
+ return mDispatcher;
+}
+
+} // namespace android
diff --git a/services/input/InputManager.h b/services/input/InputManager.h
new file mode 100644
index 0000000..df4d299e
--- /dev/null
+++ b/services/input/InputManager.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_MANAGER_H
+#define _UI_INPUT_MANAGER_H
+
+/**
+ * Native input manager.
+ */
+
+#include "EventHub.h"
+#include "InputReader.h"
+#include "InputDispatcher.h"
+
+#include <ui/Input.h>
+#include <ui/InputTransport.h>
+#include <utils/Errors.h>
+#include <utils/Vector.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+namespace android {
+
+/*
+ * The input manager is the core of the system event processing.
+ *
+ * The input manager uses two threads.
+ *
+ * 1. The InputReaderThread (called "InputReader") reads and preprocesses raw input events,
+ * applies policy, and posts messages to a queue managed by the DispatcherThread.
+ * 2. The InputDispatcherThread (called "InputDispatcher") thread waits for new events on the
+ * queue and asynchronously dispatches them to applications.
+ *
+ * By design, the InputReaderThread class and InputDispatcherThread class do not share any
+ * internal state. Moreover, all communication is done one way from the InputReaderThread
+ * into the InputDispatcherThread and never the reverse. Both classes may interact with the
+ * InputDispatchPolicy, however.
+ *
+ * The InputManager class never makes any calls into Java itself. Instead, the
+ * InputDispatchPolicy is responsible for performing all external interactions with the
+ * system, including calling DVM services.
+ */
+class InputManagerInterface : public virtual RefBase {
+protected:
+ InputManagerInterface() { }
+ virtual ~InputManagerInterface() { }
+
+public:
+ /* Starts the input manager threads. */
+ virtual status_t start() = 0;
+
+ /* Stops the input manager threads and waits for them to exit. */
+ virtual status_t stop() = 0;
+
+ /* Gets the input reader. */
+ virtual sp<InputReaderInterface> getReader() = 0;
+
+ /* Gets the input dispatcher. */
+ virtual sp<InputDispatcherInterface> getDispatcher() = 0;
+};
+
+class InputManager : public InputManagerInterface {
+protected:
+ virtual ~InputManager();
+
+public:
+ InputManager(
+ const sp<EventHubInterface>& eventHub,
+ const sp<InputReaderPolicyInterface>& readerPolicy,
+ const sp<InputDispatcherPolicyInterface>& dispatcherPolicy);
+
+ // (used for testing purposes)
+ InputManager(
+ const sp<InputReaderInterface>& reader,
+ const sp<InputDispatcherInterface>& dispatcher);
+
+ virtual status_t start();
+ virtual status_t stop();
+
+ virtual sp<InputReaderInterface> getReader();
+ virtual sp<InputDispatcherInterface> getDispatcher();
+
+private:
+ sp<InputReaderInterface> mReader;
+ sp<InputReaderThread> mReaderThread;
+
+ sp<InputDispatcherInterface> mDispatcher;
+ sp<InputDispatcherThread> mDispatcherThread;
+
+ void initialize();
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_MANAGER_H
diff --git a/services/input/InputReader.cpp b/services/input/InputReader.cpp
new file mode 100644
index 0000000..7a45de6
--- /dev/null
+++ b/services/input/InputReader.cpp
@@ -0,0 +1,3620 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputReader"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages for each raw event received from the EventHub.
+#define DEBUG_RAW_EVENTS 0
+
+// Log debug messages about touch screen filtering hacks.
+#define DEBUG_HACKS 0
+
+// Log debug messages about virtual key processing.
+#define DEBUG_VIRTUAL_KEYS 0
+
+// Log debug messages about pointers.
+#define DEBUG_POINTERS 0
+
+// Log debug messages about pointer assignment calculations.
+#define DEBUG_POINTER_ASSIGNMENT 0
+
+#include "InputReader.h"
+
+#include <cutils/log.h>
+#include <ui/Keyboard.h>
+#include <ui/VirtualKeyMap.h>
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+#include <math.h>
+
+#define INDENT " "
+#define INDENT2 " "
+#define INDENT3 " "
+#define INDENT4 " "
+
+namespace android {
+
+// --- Static Functions ---
+
+template<typename T>
+inline static T abs(const T& value) {
+ return value < 0 ? - value : value;
+}
+
+template<typename T>
+inline static T min(const T& a, const T& b) {
+ return a < b ? a : b;
+}
+
+template<typename T>
+inline static void swap(T& a, T& b) {
+ T temp = a;
+ a = b;
+ b = temp;
+}
+
+inline static float avg(float x, float y) {
+ return (x + y) / 2;
+}
+
+inline static float pythag(float x, float y) {
+ return sqrtf(x * x + y * y);
+}
+
+static inline const char* toString(bool value) {
+ return value ? "true" : "false";
+}
+
+static const int32_t keyCodeRotationMap[][4] = {
+ // key codes enumerated counter-clockwise with the original (unrotated) key first
+ // no rotation, 90 degree rotation, 180 degree rotation, 270 degree rotation
+ { AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT },
+ { AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN },
+ { AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT },
+ { AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP },
+};
+static const int keyCodeRotationMapSize =
+ sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);
+
+int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {
+ if (orientation != DISPLAY_ORIENTATION_0) {
+ for (int i = 0; i < keyCodeRotationMapSize; i++) {
+ if (keyCode == keyCodeRotationMap[i][0]) {
+ return keyCodeRotationMap[i][orientation];
+ }
+ }
+ }
+ return keyCode;
+}
+
+static inline bool sourcesMatchMask(uint32_t sources, uint32_t sourceMask) {
+ return (sources & sourceMask & ~ AINPUT_SOURCE_CLASS_MASK) != 0;
+}
+
+
+// --- InputReader ---
+
+InputReader::InputReader(const sp<EventHubInterface>& eventHub,
+ const sp<InputReaderPolicyInterface>& policy,
+ const sp<InputDispatcherInterface>& dispatcher) :
+ mEventHub(eventHub), mPolicy(policy), mDispatcher(dispatcher),
+ mGlobalMetaState(0) {
+ configureExcludedDevices();
+ updateGlobalMetaState();
+ updateInputConfiguration();
+}
+
+InputReader::~InputReader() {
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ delete mDevices.valueAt(i);
+ }
+}
+
+void InputReader::loopOnce() {
+ RawEvent rawEvent;
+ mEventHub->getEvent(& rawEvent);
+
+#if DEBUG_RAW_EVENTS
+ LOGD("Input event: device=%d type=0x%x scancode=%d keycode=%d value=%d",
+ rawEvent.deviceId, rawEvent.type, rawEvent.scanCode, rawEvent.keyCode,
+ rawEvent.value);
+#endif
+
+ process(& rawEvent);
+}
+
+void InputReader::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EventHubInterface::DEVICE_ADDED:
+ addDevice(rawEvent->deviceId);
+ break;
+
+ case EventHubInterface::DEVICE_REMOVED:
+ removeDevice(rawEvent->deviceId);
+ break;
+
+ case EventHubInterface::FINISHED_DEVICE_SCAN:
+ handleConfigurationChanged(rawEvent->when);
+ break;
+
+ default:
+ consumeEvent(rawEvent);
+ break;
+ }
+}
+
+void InputReader::addDevice(int32_t deviceId) {
+ String8 name = mEventHub->getDeviceName(deviceId);
+ uint32_t classes = mEventHub->getDeviceClasses(deviceId);
+
+ InputDevice* device = createDevice(deviceId, name, classes);
+ device->configure();
+
+ if (device->isIgnored()) {
+ LOGI("Device added: id=%d, name='%s' (ignored non-input device)", deviceId, name.string());
+ } else {
+ LOGI("Device added: id=%d, name='%s', sources=0x%08x", deviceId, name.string(),
+ device->getSources());
+ }
+
+ bool added = false;
+ { // acquire device registry writer lock
+ RWLock::AutoWLock _wl(mDeviceRegistryLock);
+
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex < 0) {
+ mDevices.add(deviceId, device);
+ added = true;
+ }
+ } // release device registry writer lock
+
+ if (! added) {
+ LOGW("Ignoring spurious device added event for deviceId %d.", deviceId);
+ delete device;
+ return;
+ }
+}
+
+void InputReader::removeDevice(int32_t deviceId) {
+ bool removed = false;
+ InputDevice* device = NULL;
+ { // acquire device registry writer lock
+ RWLock::AutoWLock _wl(mDeviceRegistryLock);
+
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex >= 0) {
+ device = mDevices.valueAt(deviceIndex);
+ mDevices.removeItemsAt(deviceIndex, 1);
+ removed = true;
+ }
+ } // release device registry writer lock
+
+ if (! removed) {
+ LOGW("Ignoring spurious device removed event for deviceId %d.", deviceId);
+ return;
+ }
+
+ if (device->isIgnored()) {
+ LOGI("Device removed: id=%d, name='%s' (ignored non-input device)",
+ device->getId(), device->getName().string());
+ } else {
+ LOGI("Device removed: id=%d, name='%s', sources=0x%08x",
+ device->getId(), device->getName().string(), device->getSources());
+ }
+
+ device->reset();
+
+ delete device;
+}
+
+InputDevice* InputReader::createDevice(int32_t deviceId, const String8& name, uint32_t classes) {
+ InputDevice* device = new InputDevice(this, deviceId, name);
+
+ // Switch-like devices.
+ if (classes & INPUT_DEVICE_CLASS_SWITCH) {
+ device->addMapper(new SwitchInputMapper(device));
+ }
+
+ // Keyboard-like devices.
+ uint32_t keyboardSources = 0;
+ int32_t keyboardType = AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC;
+ if (classes & INPUT_DEVICE_CLASS_KEYBOARD) {
+ keyboardSources |= AINPUT_SOURCE_KEYBOARD;
+ }
+ if (classes & INPUT_DEVICE_CLASS_ALPHAKEY) {
+ keyboardType = AINPUT_KEYBOARD_TYPE_ALPHABETIC;
+ }
+ if (classes & INPUT_DEVICE_CLASS_DPAD) {
+ keyboardSources |= AINPUT_SOURCE_DPAD;
+ }
+
+ if (keyboardSources != 0) {
+ device->addMapper(new KeyboardInputMapper(device, keyboardSources, keyboardType));
+ }
+
+ // Cursor-like devices.
+ if (classes & INPUT_DEVICE_CLASS_CURSOR) {
+ device->addMapper(new CursorInputMapper(device));
+ }
+
+ // Touchscreen-like devices.
+ if (classes & INPUT_DEVICE_CLASS_TOUCHSCREEN_MT) {
+ device->addMapper(new MultiTouchInputMapper(device));
+ } else if (classes & INPUT_DEVICE_CLASS_TOUCHSCREEN) {
+ device->addMapper(new SingleTouchInputMapper(device));
+ }
+
+ return device;
+}
+
+void InputReader::consumeEvent(const RawEvent* rawEvent) {
+ int32_t deviceId = rawEvent->deviceId;
+
+ { // acquire device registry reader lock
+ RWLock::AutoRLock _rl(mDeviceRegistryLock);
+
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex < 0) {
+ LOGW("Discarding event for unknown deviceId %d.", deviceId);
+ return;
+ }
+
+ InputDevice* device = mDevices.valueAt(deviceIndex);
+ if (device->isIgnored()) {
+ //LOGD("Discarding event for ignored deviceId %d.", deviceId);
+ return;
+ }
+
+ device->process(rawEvent);
+ } // release device registry reader lock
+}
+
+void InputReader::handleConfigurationChanged(nsecs_t when) {
+ // Reset global meta state because it depends on the list of all configured devices.
+ updateGlobalMetaState();
+
+ // Update input configuration.
+ updateInputConfiguration();
+
+ // Enqueue configuration changed.
+ mDispatcher->notifyConfigurationChanged(when);
+}
+
+void InputReader::configureExcludedDevices() {
+ Vector<String8> excludedDeviceNames;
+ mPolicy->getExcludedDeviceNames(excludedDeviceNames);
+
+ for (size_t i = 0; i < excludedDeviceNames.size(); i++) {
+ mEventHub->addExcludedDevice(excludedDeviceNames[i]);
+ }
+}
+
+void InputReader::updateGlobalMetaState() {
+ { // acquire state lock
+ AutoMutex _l(mStateLock);
+
+ mGlobalMetaState = 0;
+
+ { // acquire device registry reader lock
+ RWLock::AutoRLock _rl(mDeviceRegistryLock);
+
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ mGlobalMetaState |= device->getMetaState();
+ }
+ } // release device registry reader lock
+ } // release state lock
+}
+
+int32_t InputReader::getGlobalMetaState() {
+ { // acquire state lock
+ AutoMutex _l(mStateLock);
+
+ return mGlobalMetaState;
+ } // release state lock
+}
+
+void InputReader::updateInputConfiguration() {
+ { // acquire state lock
+ AutoMutex _l(mStateLock);
+
+ int32_t touchScreenConfig = InputConfiguration::TOUCHSCREEN_NOTOUCH;
+ int32_t keyboardConfig = InputConfiguration::KEYBOARD_NOKEYS;
+ int32_t navigationConfig = InputConfiguration::NAVIGATION_NONAV;
+ { // acquire device registry reader lock
+ RWLock::AutoRLock _rl(mDeviceRegistryLock);
+
+ InputDeviceInfo deviceInfo;
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ device->getDeviceInfo(& deviceInfo);
+ uint32_t sources = deviceInfo.getSources();
+
+ if ((sources & AINPUT_SOURCE_TOUCHSCREEN) == AINPUT_SOURCE_TOUCHSCREEN) {
+ touchScreenConfig = InputConfiguration::TOUCHSCREEN_FINGER;
+ }
+ if ((sources & AINPUT_SOURCE_TRACKBALL) == AINPUT_SOURCE_TRACKBALL) {
+ navigationConfig = InputConfiguration::NAVIGATION_TRACKBALL;
+ } else if ((sources & AINPUT_SOURCE_DPAD) == AINPUT_SOURCE_DPAD) {
+ navigationConfig = InputConfiguration::NAVIGATION_DPAD;
+ }
+ if (deviceInfo.getKeyboardType() == AINPUT_KEYBOARD_TYPE_ALPHABETIC) {
+ keyboardConfig = InputConfiguration::KEYBOARD_QWERTY;
+ }
+ }
+ } // release device registry reader lock
+
+ mInputConfiguration.touchScreen = touchScreenConfig;
+ mInputConfiguration.keyboard = keyboardConfig;
+ mInputConfiguration.navigation = navigationConfig;
+ } // release state lock
+}
+
+void InputReader::getInputConfiguration(InputConfiguration* outConfiguration) {
+ { // acquire state lock
+ AutoMutex _l(mStateLock);
+
+ *outConfiguration = mInputConfiguration;
+ } // release state lock
+}
+
+status_t InputReader::getInputDeviceInfo(int32_t deviceId, InputDeviceInfo* outDeviceInfo) {
+ { // acquire device registry reader lock
+ RWLock::AutoRLock _rl(mDeviceRegistryLock);
+
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex < 0) {
+ return NAME_NOT_FOUND;
+ }
+
+ InputDevice* device = mDevices.valueAt(deviceIndex);
+ if (device->isIgnored()) {
+ return NAME_NOT_FOUND;
+ }
+
+ device->getDeviceInfo(outDeviceInfo);
+ return OK;
+ } // release device registy reader lock
+}
+
+void InputReader::getInputDeviceIds(Vector<int32_t>& outDeviceIds) {
+ outDeviceIds.clear();
+
+ { // acquire device registry reader lock
+ RWLock::AutoRLock _rl(mDeviceRegistryLock);
+
+ size_t numDevices = mDevices.size();
+ for (size_t i = 0; i < numDevices; i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ if (! device->isIgnored()) {
+ outDeviceIds.add(device->getId());
+ }
+ }
+ } // release device registy reader lock
+}
+
+int32_t InputReader::getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t keyCode) {
+ return getState(deviceId, sourceMask, keyCode, & InputDevice::getKeyCodeState);
+}
+
+int32_t InputReader::getScanCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t scanCode) {
+ return getState(deviceId, sourceMask, scanCode, & InputDevice::getScanCodeState);
+}
+
+int32_t InputReader::getSwitchState(int32_t deviceId, uint32_t sourceMask, int32_t switchCode) {
+ return getState(deviceId, sourceMask, switchCode, & InputDevice::getSwitchState);
+}
+
+int32_t InputReader::getState(int32_t deviceId, uint32_t sourceMask, int32_t code,
+ GetStateFunc getStateFunc) {
+ { // acquire device registry reader lock
+ RWLock::AutoRLock _rl(mDeviceRegistryLock);
+
+ int32_t result = AKEY_STATE_UNKNOWN;
+ if (deviceId >= 0) {
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex >= 0) {
+ InputDevice* device = mDevices.valueAt(deviceIndex);
+ if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
+ result = (device->*getStateFunc)(sourceMask, code);
+ }
+ }
+ } else {
+ size_t numDevices = mDevices.size();
+ for (size_t i = 0; i < numDevices; i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
+ result = (device->*getStateFunc)(sourceMask, code);
+ if (result >= AKEY_STATE_DOWN) {
+ return result;
+ }
+ }
+ }
+ }
+ return result;
+ } // release device registy reader lock
+}
+
+bool InputReader::hasKeys(int32_t deviceId, uint32_t sourceMask,
+ size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) {
+ memset(outFlags, 0, numCodes);
+ return markSupportedKeyCodes(deviceId, sourceMask, numCodes, keyCodes, outFlags);
+}
+
+bool InputReader::markSupportedKeyCodes(int32_t deviceId, uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) {
+ { // acquire device registry reader lock
+ RWLock::AutoRLock _rl(mDeviceRegistryLock);
+ bool result = false;
+ if (deviceId >= 0) {
+ ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
+ if (deviceIndex >= 0) {
+ InputDevice* device = mDevices.valueAt(deviceIndex);
+ if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
+ result = device->markSupportedKeyCodes(sourceMask,
+ numCodes, keyCodes, outFlags);
+ }
+ }
+ } else {
+ size_t numDevices = mDevices.size();
+ for (size_t i = 0; i < numDevices; i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
+ result |= device->markSupportedKeyCodes(sourceMask,
+ numCodes, keyCodes, outFlags);
+ }
+ }
+ }
+ return result;
+ } // release device registy reader lock
+}
+
+void InputReader::dump(String8& dump) {
+ mEventHub->dump(dump);
+ dump.append("\n");
+
+ dump.append("Input Reader State:\n");
+
+ { // acquire device registry reader lock
+ RWLock::AutoRLock _rl(mDeviceRegistryLock);
+
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ mDevices.valueAt(i)->dump(dump);
+ }
+ } // release device registy reader lock
+}
+
+
+// --- InputReaderThread ---
+
+InputReaderThread::InputReaderThread(const sp<InputReaderInterface>& reader) :
+ Thread(/*canCallJava*/ true), mReader(reader) {
+}
+
+InputReaderThread::~InputReaderThread() {
+}
+
+bool InputReaderThread::threadLoop() {
+ mReader->loopOnce();
+ return true;
+}
+
+
+// --- InputDevice ---
+
+InputDevice::InputDevice(InputReaderContext* context, int32_t id, const String8& name) :
+ mContext(context), mId(id), mName(name), mSources(0) {
+}
+
+InputDevice::~InputDevice() {
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ delete mMappers[i];
+ }
+ mMappers.clear();
+}
+
+static void dumpMotionRange(String8& dump, const InputDeviceInfo& deviceInfo,
+ int32_t rangeType, const char* name) {
+ const InputDeviceInfo::MotionRange* range = deviceInfo.getMotionRange(rangeType);
+ if (range) {
+ dump.appendFormat(INDENT3 "%s: min=%0.3f, max=%0.3f, flat=%0.3f, fuzz=%0.3f\n",
+ name, range->min, range->max, range->flat, range->fuzz);
+ }
+}
+
+void InputDevice::dump(String8& dump) {
+ InputDeviceInfo deviceInfo;
+ getDeviceInfo(& deviceInfo);
+
+ dump.appendFormat(INDENT "Device %d: %s\n", deviceInfo.getId(),
+ deviceInfo.getName().string());
+ dump.appendFormat(INDENT2 "Sources: 0x%08x\n", deviceInfo.getSources());
+ dump.appendFormat(INDENT2 "KeyboardType: %d\n", deviceInfo.getKeyboardType());
+ if (!deviceInfo.getMotionRanges().isEmpty()) {
+ dump.append(INDENT2 "Motion Ranges:\n");
+ dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_X, "X");
+ dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_Y, "Y");
+ dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_PRESSURE, "Pressure");
+ dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_SIZE, "Size");
+ dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_TOUCH_MAJOR, "TouchMajor");
+ dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_TOUCH_MINOR, "TouchMinor");
+ dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_TOOL_MAJOR, "ToolMajor");
+ dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_TOOL_MINOR, "ToolMinor");
+ dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_ORIENTATION, "Orientation");
+ }
+
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->dump(dump);
+ }
+}
+
+void InputDevice::addMapper(InputMapper* mapper) {
+ mMappers.add(mapper);
+}
+
+void InputDevice::configure() {
+ if (! isIgnored()) {
+ mContext->getEventHub()->getConfiguration(mId, &mConfiguration);
+ }
+
+ mSources = 0;
+
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->configure();
+ mSources |= mapper->getSources();
+ }
+}
+
+void InputDevice::reset() {
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->reset();
+ }
+}
+
+void InputDevice::process(const RawEvent* rawEvent) {
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->process(rawEvent);
+ }
+}
+
+void InputDevice::getDeviceInfo(InputDeviceInfo* outDeviceInfo) {
+ outDeviceInfo->initialize(mId, mName);
+
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ mapper->populateDeviceInfo(outDeviceInfo);
+ }
+}
+
+int32_t InputDevice::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
+ return getState(sourceMask, keyCode, & InputMapper::getKeyCodeState);
+}
+
+int32_t InputDevice::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+ return getState(sourceMask, scanCode, & InputMapper::getScanCodeState);
+}
+
+int32_t InputDevice::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
+ return getState(sourceMask, switchCode, & InputMapper::getSwitchState);
+}
+
+int32_t InputDevice::getState(uint32_t sourceMask, int32_t code, GetStateFunc getStateFunc) {
+ int32_t result = AKEY_STATE_UNKNOWN;
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ if (sourcesMatchMask(mapper->getSources(), sourceMask)) {
+ result = (mapper->*getStateFunc)(sourceMask, code);
+ if (result >= AKEY_STATE_DOWN) {
+ return result;
+ }
+ }
+ }
+ return result;
+}
+
+bool InputDevice::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) {
+ bool result = false;
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ if (sourcesMatchMask(mapper->getSources(), sourceMask)) {
+ result |= mapper->markSupportedKeyCodes(sourceMask, numCodes, keyCodes, outFlags);
+ }
+ }
+ return result;
+}
+
+int32_t InputDevice::getMetaState() {
+ int32_t result = 0;
+ size_t numMappers = mMappers.size();
+ for (size_t i = 0; i < numMappers; i++) {
+ InputMapper* mapper = mMappers[i];
+ result |= mapper->getMetaState();
+ }
+ return result;
+}
+
+
+// --- InputMapper ---
+
+InputMapper::InputMapper(InputDevice* device) :
+ mDevice(device), mContext(device->getContext()) {
+}
+
+InputMapper::~InputMapper() {
+}
+
+void InputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ info->addSource(getSources());
+}
+
+void InputMapper::dump(String8& dump) {
+}
+
+void InputMapper::configure() {
+}
+
+void InputMapper::reset() {
+}
+
+int32_t InputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t InputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t InputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
+ return AKEY_STATE_UNKNOWN;
+}
+
+bool InputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) {
+ return false;
+}
+
+int32_t InputMapper::getMetaState() {
+ return 0;
+}
+
+
+// --- SwitchInputMapper ---
+
+SwitchInputMapper::SwitchInputMapper(InputDevice* device) :
+ InputMapper(device) {
+}
+
+SwitchInputMapper::~SwitchInputMapper() {
+}
+
+uint32_t SwitchInputMapper::getSources() {
+ return 0;
+}
+
+void SwitchInputMapper::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EV_SW:
+ processSwitch(rawEvent->when, rawEvent->scanCode, rawEvent->value);
+ break;
+ }
+}
+
+void SwitchInputMapper::processSwitch(nsecs_t when, int32_t switchCode, int32_t switchValue) {
+ getDispatcher()->notifySwitch(when, switchCode, switchValue, 0);
+}
+
+int32_t SwitchInputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
+ return getEventHub()->getSwitchState(getDeviceId(), switchCode);
+}
+
+
+// --- KeyboardInputMapper ---
+
+KeyboardInputMapper::KeyboardInputMapper(InputDevice* device,
+ uint32_t sources, int32_t keyboardType) :
+ InputMapper(device), mSources(sources),
+ mKeyboardType(keyboardType) {
+ initializeLocked();
+}
+
+KeyboardInputMapper::~KeyboardInputMapper() {
+}
+
+void KeyboardInputMapper::initializeLocked() {
+ mLocked.metaState = AMETA_NONE;
+ mLocked.downTime = 0;
+}
+
+uint32_t KeyboardInputMapper::getSources() {
+ return mSources;
+}
+
+void KeyboardInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ InputMapper::populateDeviceInfo(info);
+
+ info->setKeyboardType(mKeyboardType);
+}
+
+void KeyboardInputMapper::dump(String8& dump) {
+ { // acquire lock
+ AutoMutex _l(mLock);
+ dump.append(INDENT2 "Keyboard Input Mapper:\n");
+ dumpParameters(dump);
+ dump.appendFormat(INDENT3 "KeyboardType: %d\n", mKeyboardType);
+ dump.appendFormat(INDENT3 "KeyDowns: %d keys currently down\n", mLocked.keyDowns.size());
+ dump.appendFormat(INDENT3 "MetaState: 0x%0x\n", mLocked.metaState);
+ dump.appendFormat(INDENT3 "DownTime: %lld\n", mLocked.downTime);
+ } // release lock
+}
+
+
+void KeyboardInputMapper::configure() {
+ InputMapper::configure();
+
+ // Configure basic parameters.
+ configureParameters();
+
+ // Reset LEDs.
+ {
+ AutoMutex _l(mLock);
+ resetLedStateLocked();
+ }
+}
+
+void KeyboardInputMapper::configureParameters() {
+ mParameters.orientationAware = false;
+ getDevice()->getConfiguration().tryGetProperty(String8("keyboard.orientationAware"),
+ mParameters.orientationAware);
+
+ mParameters.associatedDisplayId = mParameters.orientationAware ? 0 : -1;
+}
+
+void KeyboardInputMapper::dumpParameters(String8& dump) {
+ dump.append(INDENT3 "Parameters:\n");
+ dump.appendFormat(INDENT4 "AssociatedDisplayId: %d\n",
+ mParameters.associatedDisplayId);
+ dump.appendFormat(INDENT4 "OrientationAware: %s\n",
+ toString(mParameters.orientationAware));
+}
+
+void KeyboardInputMapper::reset() {
+ for (;;) {
+ int32_t keyCode, scanCode;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ // Synthesize key up event on reset if keys are currently down.
+ if (mLocked.keyDowns.isEmpty()) {
+ initializeLocked();
+ resetLedStateLocked();
+ break; // done
+ }
+
+ const KeyDown& keyDown = mLocked.keyDowns.top();
+ keyCode = keyDown.keyCode;
+ scanCode = keyDown.scanCode;
+ } // release lock
+
+ nsecs_t when = systemTime(SYSTEM_TIME_MONOTONIC);
+ processKey(when, false, keyCode, scanCode, 0);
+ }
+
+ InputMapper::reset();
+ getContext()->updateGlobalMetaState();
+}
+
+void KeyboardInputMapper::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EV_KEY: {
+ int32_t scanCode = rawEvent->scanCode;
+ if (isKeyboardOrGamepadKey(scanCode)) {
+ processKey(rawEvent->when, rawEvent->value != 0, rawEvent->keyCode, scanCode,
+ rawEvent->flags);
+ }
+ break;
+ }
+ }
+}
+
+bool KeyboardInputMapper::isKeyboardOrGamepadKey(int32_t scanCode) {
+ return scanCode < BTN_MOUSE
+ || scanCode >= KEY_OK
+ || (scanCode >= BTN_GAMEPAD && scanCode < BTN_DIGI);
+}
+
+void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t keyCode,
+ int32_t scanCode, uint32_t policyFlags) {
+ int32_t newMetaState;
+ nsecs_t downTime;
+ bool metaStateChanged = false;
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (down) {
+ // Rotate key codes according to orientation if needed.
+ // Note: getDisplayInfo is non-reentrant so we can continue holding the lock.
+ if (mParameters.orientationAware && mParameters.associatedDisplayId >= 0) {
+ int32_t orientation;
+ if (!getPolicy()->getDisplayInfo(mParameters.associatedDisplayId,
+ NULL, NULL, & orientation)) {
+ orientation = DISPLAY_ORIENTATION_0;
+ }
+
+ keyCode = rotateKeyCode(keyCode, orientation);
+ }
+
+ // Add key down.
+ ssize_t keyDownIndex = findKeyDownLocked(scanCode);
+ if (keyDownIndex >= 0) {
+ // key repeat, be sure to use same keycode as before in case of rotation
+ keyCode = mLocked.keyDowns.itemAt(keyDownIndex).keyCode;
+ } else {
+ // key down
+ mLocked.keyDowns.push();
+ KeyDown& keyDown = mLocked.keyDowns.editTop();
+ keyDown.keyCode = keyCode;
+ keyDown.scanCode = scanCode;
+ }
+
+ mLocked.downTime = when;
+ } else {
+ // Remove key down.
+ ssize_t keyDownIndex = findKeyDownLocked(scanCode);
+ if (keyDownIndex >= 0) {
+ // key up, be sure to use same keycode as before in case of rotation
+ keyCode = mLocked.keyDowns.itemAt(keyDownIndex).keyCode;
+ mLocked.keyDowns.removeAt(size_t(keyDownIndex));
+ } else {
+ // key was not actually down
+ LOGI("Dropping key up from device %s because the key was not down. "
+ "keyCode=%d, scanCode=%d",
+ getDeviceName().string(), keyCode, scanCode);
+ return;
+ }
+ }
+
+ int32_t oldMetaState = mLocked.metaState;
+ newMetaState = updateMetaState(keyCode, down, oldMetaState);
+ if (oldMetaState != newMetaState) {
+ mLocked.metaState = newMetaState;
+ metaStateChanged = true;
+ updateLedStateLocked(false);
+ }
+
+ downTime = mLocked.downTime;
+ } // release lock
+
+ if (metaStateChanged) {
+ getContext()->updateGlobalMetaState();
+ }
+
+ if (policyFlags & POLICY_FLAG_FUNCTION) {
+ newMetaState |= AMETA_FUNCTION_ON;
+ }
+ getDispatcher()->notifyKey(when, getDeviceId(), mSources, policyFlags,
+ down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
+ AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, newMetaState, downTime);
+}
+
+ssize_t KeyboardInputMapper::findKeyDownLocked(int32_t scanCode) {
+ size_t n = mLocked.keyDowns.size();
+ for (size_t i = 0; i < n; i++) {
+ if (mLocked.keyDowns[i].scanCode == scanCode) {
+ return i;
+ }
+ }
+ return -1;
+}
+
+int32_t KeyboardInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
+ return getEventHub()->getKeyCodeState(getDeviceId(), keyCode);
+}
+
+int32_t KeyboardInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+ return getEventHub()->getScanCodeState(getDeviceId(), scanCode);
+}
+
+bool KeyboardInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) {
+ return getEventHub()->markSupportedKeyCodes(getDeviceId(), numCodes, keyCodes, outFlags);
+}
+
+int32_t KeyboardInputMapper::getMetaState() {
+ { // acquire lock
+ AutoMutex _l(mLock);
+ return mLocked.metaState;
+ } // release lock
+}
+
+void KeyboardInputMapper::resetLedStateLocked() {
+ initializeLedStateLocked(mLocked.capsLockLedState, LED_CAPSL);
+ initializeLedStateLocked(mLocked.numLockLedState, LED_NUML);
+ initializeLedStateLocked(mLocked.scrollLockLedState, LED_SCROLLL);
+
+ updateLedStateLocked(true);
+}
+
+void KeyboardInputMapper::initializeLedStateLocked(LockedState::LedState& ledState, int32_t led) {
+ ledState.avail = getEventHub()->hasLed(getDeviceId(), led);
+ ledState.on = false;
+}
+
+void KeyboardInputMapper::updateLedStateLocked(bool reset) {
+ updateLedStateForModifierLocked(mLocked.capsLockLedState, LED_CAPSL,
+ AMETA_CAPS_LOCK_ON, reset);
+ updateLedStateForModifierLocked(mLocked.numLockLedState, LED_NUML,
+ AMETA_NUM_LOCK_ON, reset);
+ updateLedStateForModifierLocked(mLocked.scrollLockLedState, LED_SCROLLL,
+ AMETA_SCROLL_LOCK_ON, reset);
+}
+
+void KeyboardInputMapper::updateLedStateForModifierLocked(LockedState::LedState& ledState,
+ int32_t led, int32_t modifier, bool reset) {
+ if (ledState.avail) {
+ bool desiredState = (mLocked.metaState & modifier) != 0;
+ if (reset || ledState.on != desiredState) {
+ getEventHub()->setLedState(getDeviceId(), led, desiredState);
+ ledState.on = desiredState;
+ }
+ }
+}
+
+
+// --- CursorInputMapper ---
+
+CursorInputMapper::CursorInputMapper(InputDevice* device) :
+ InputMapper(device) {
+ initializeLocked();
+}
+
+CursorInputMapper::~CursorInputMapper() {
+}
+
+uint32_t CursorInputMapper::getSources() {
+ return mSources;
+}
+
+void CursorInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ InputMapper::populateDeviceInfo(info);
+
+ if (mParameters.mode == Parameters::MODE_POINTER) {
+ float minX, minY, maxX, maxY;
+ if (mPointerController->getBounds(&minX, &minY, &maxX, &maxY)) {
+ info->addMotionRange(AINPUT_MOTION_RANGE_X, minX, maxX, 0.0f, 0.0f);
+ info->addMotionRange(AINPUT_MOTION_RANGE_Y, minY, maxY, 0.0f, 0.0f);
+ }
+ } else {
+ info->addMotionRange(AINPUT_MOTION_RANGE_X, -1.0f, 1.0f, 0.0f, mXScale);
+ info->addMotionRange(AINPUT_MOTION_RANGE_Y, -1.0f, 1.0f, 0.0f, mYScale);
+ }
+ info->addMotionRange(AINPUT_MOTION_RANGE_PRESSURE, 0.0f, 1.0f, 0.0f, 0.0f);
+}
+
+void CursorInputMapper::dump(String8& dump) {
+ { // acquire lock
+ AutoMutex _l(mLock);
+ dump.append(INDENT2 "Cursor Input Mapper:\n");
+ dumpParameters(dump);
+ dump.appendFormat(INDENT3 "XPrecision: %0.3f\n", mXPrecision);
+ dump.appendFormat(INDENT3 "YPrecision: %0.3f\n", mYPrecision);
+ dump.appendFormat(INDENT3 "Down: %s\n", toString(mLocked.down));
+ dump.appendFormat(INDENT3 "DownTime: %lld\n", mLocked.downTime);
+ } // release lock
+}
+
+void CursorInputMapper::configure() {
+ InputMapper::configure();
+
+ // Configure basic parameters.
+ configureParameters();
+
+ // Configure device mode.
+ switch (mParameters.mode) {
+ case Parameters::MODE_POINTER:
+ mSources = AINPUT_SOURCE_MOUSE;
+ mXPrecision = 1.0f;
+ mYPrecision = 1.0f;
+ mXScale = 1.0f;
+ mYScale = 1.0f;
+ mPointerController = getPolicy()->obtainPointerController(getDeviceId());
+ break;
+ case Parameters::MODE_NAVIGATION:
+ mSources = AINPUT_SOURCE_TRACKBALL;
+ mXPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
+ mYPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
+ mXScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
+ mYScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
+ break;
+ }
+}
+
+void CursorInputMapper::configureParameters() {
+ mParameters.mode = Parameters::MODE_POINTER;
+ String8 cursorModeString;
+ if (getDevice()->getConfiguration().tryGetProperty(String8("cursor.mode"), cursorModeString)) {
+ if (cursorModeString == "navigation") {
+ mParameters.mode = Parameters::MODE_NAVIGATION;
+ } else if (cursorModeString != "pointer" && cursorModeString != "default") {
+ LOGW("Invalid value for cursor.mode: '%s'", cursorModeString.string());
+ }
+ }
+
+ mParameters.orientationAware = false;
+ getDevice()->getConfiguration().tryGetProperty(String8("cursor.orientationAware"),
+ mParameters.orientationAware);
+
+ mParameters.associatedDisplayId = mParameters.mode == Parameters::MODE_POINTER
+ || mParameters.orientationAware ? 0 : -1;
+}
+
+void CursorInputMapper::dumpParameters(String8& dump) {
+ dump.append(INDENT3 "Parameters:\n");
+ dump.appendFormat(INDENT4 "AssociatedDisplayId: %d\n",
+ mParameters.associatedDisplayId);
+
+ switch (mParameters.mode) {
+ case Parameters::MODE_POINTER:
+ dump.append(INDENT4 "Mode: pointer\n");
+ break;
+ case Parameters::MODE_NAVIGATION:
+ dump.append(INDENT4 "Mode: navigation\n");
+ break;
+ default:
+ assert(false);
+ }
+
+ dump.appendFormat(INDENT4 "OrientationAware: %s\n",
+ toString(mParameters.orientationAware));
+}
+
+void CursorInputMapper::initializeLocked() {
+ mAccumulator.clear();
+
+ mLocked.down = false;
+ mLocked.downTime = 0;
+}
+
+void CursorInputMapper::reset() {
+ for (;;) {
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (! mLocked.down) {
+ initializeLocked();
+ break; // done
+ }
+ } // release lock
+
+ // Synthesize button up event on reset.
+ nsecs_t when = systemTime(SYSTEM_TIME_MONOTONIC);
+ mAccumulator.fields = Accumulator::FIELD_BTN_MOUSE;
+ mAccumulator.btnMouse = false;
+ sync(when);
+ }
+
+ InputMapper::reset();
+}
+
+void CursorInputMapper::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EV_KEY:
+ switch (rawEvent->scanCode) {
+ case BTN_MOUSE:
+ mAccumulator.fields |= Accumulator::FIELD_BTN_MOUSE;
+ mAccumulator.btnMouse = rawEvent->value != 0;
+ // Sync now since BTN_MOUSE is not necessarily followed by SYN_REPORT and
+ // we need to ensure that we report the up/down promptly.
+ sync(rawEvent->when);
+ break;
+ }
+ break;
+
+ case EV_REL:
+ switch (rawEvent->scanCode) {
+ case REL_X:
+ mAccumulator.fields |= Accumulator::FIELD_REL_X;
+ mAccumulator.relX = rawEvent->value;
+ break;
+ case REL_Y:
+ mAccumulator.fields |= Accumulator::FIELD_REL_Y;
+ mAccumulator.relY = rawEvent->value;
+ break;
+ }
+ break;
+
+ case EV_SYN:
+ switch (rawEvent->scanCode) {
+ case SYN_REPORT:
+ sync(rawEvent->when);
+ break;
+ }
+ break;
+ }
+}
+
+void CursorInputMapper::sync(nsecs_t when) {
+ uint32_t fields = mAccumulator.fields;
+ if (fields == 0) {
+ return; // no new state changes, so nothing to do
+ }
+
+ int motionEventAction;
+ PointerCoords pointerCoords;
+ nsecs_t downTime;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ bool downChanged = fields & Accumulator::FIELD_BTN_MOUSE;
+
+ if (downChanged) {
+ if (mAccumulator.btnMouse) {
+ mLocked.down = true;
+ mLocked.downTime = when;
+ } else {
+ mLocked.down = false;
+ }
+ }
+
+ downTime = mLocked.downTime;
+ float deltaX = fields & Accumulator::FIELD_REL_X ? mAccumulator.relX * mXScale : 0.0f;
+ float deltaY = fields & Accumulator::FIELD_REL_Y ? mAccumulator.relY * mYScale : 0.0f;
+
+ if (downChanged) {
+ motionEventAction = mLocked.down ? AMOTION_EVENT_ACTION_DOWN : AMOTION_EVENT_ACTION_UP;
+ } else {
+ motionEventAction = AMOTION_EVENT_ACTION_MOVE;
+ }
+
+ if (mParameters.orientationAware && mParameters.associatedDisplayId >= 0
+ && (deltaX != 0.0f || deltaY != 0.0f)) {
+ // Rotate motion based on display orientation if needed.
+ // Note: getDisplayInfo is non-reentrant so we can continue holding the lock.
+ int32_t orientation;
+ if (! getPolicy()->getDisplayInfo(mParameters.associatedDisplayId,
+ NULL, NULL, & orientation)) {
+ orientation = DISPLAY_ORIENTATION_0;
+ }
+
+ float temp;
+ switch (orientation) {
+ case DISPLAY_ORIENTATION_90:
+ temp = deltaX;
+ deltaX = deltaY;
+ deltaY = -temp;
+ break;
+
+ case DISPLAY_ORIENTATION_180:
+ deltaX = -deltaX;
+ deltaY = -deltaY;
+ break;
+
+ case DISPLAY_ORIENTATION_270:
+ temp = deltaX;
+ deltaX = -deltaY;
+ deltaY = temp;
+ break;
+ }
+ }
+
+ if (mPointerController != NULL) {
+ mPointerController->move(deltaX, deltaY);
+ if (downChanged) {
+ mPointerController->setButtonState(mLocked.down ? POINTER_BUTTON_1 : 0);
+ }
+ mPointerController->getPosition(&pointerCoords.x, &pointerCoords.y);
+ } else {
+ pointerCoords.x = deltaX;
+ pointerCoords.y = deltaY;
+ }
+
+ pointerCoords.pressure = mLocked.down ? 1.0f : 0.0f;
+ pointerCoords.size = 0;
+ pointerCoords.touchMajor = 0;
+ pointerCoords.touchMinor = 0;
+ pointerCoords.toolMajor = 0;
+ pointerCoords.toolMinor = 0;
+ pointerCoords.orientation = 0;
+ } // release lock
+
+ int32_t metaState = mContext->getGlobalMetaState();
+ int32_t pointerId = 0;
+ getDispatcher()->notifyMotion(when, getDeviceId(), mSources, 0,
+ motionEventAction, 0, metaState, AMOTION_EVENT_EDGE_FLAG_NONE,
+ 1, &pointerId, &pointerCoords, mXPrecision, mYPrecision, downTime);
+
+ mAccumulator.clear();
+}
+
+int32_t CursorInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+ if (scanCode >= BTN_MOUSE && scanCode < BTN_JOYSTICK) {
+ return getEventHub()->getScanCodeState(getDeviceId(), scanCode);
+ } else {
+ return AKEY_STATE_UNKNOWN;
+ }
+}
+
+
+// --- TouchInputMapper ---
+
+TouchInputMapper::TouchInputMapper(InputDevice* device) :
+ InputMapper(device) {
+ mLocked.surfaceOrientation = -1;
+ mLocked.surfaceWidth = -1;
+ mLocked.surfaceHeight = -1;
+
+ initializeLocked();
+}
+
+TouchInputMapper::~TouchInputMapper() {
+}
+
+uint32_t TouchInputMapper::getSources() {
+ return mSources;
+}
+
+void TouchInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ InputMapper::populateDeviceInfo(info);
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ // Ensure surface information is up to date so that orientation changes are
+ // noticed immediately.
+ configureSurfaceLocked();
+
+ info->addMotionRange(AINPUT_MOTION_RANGE_X, mLocked.orientedRanges.x);
+ info->addMotionRange(AINPUT_MOTION_RANGE_Y, mLocked.orientedRanges.y);
+
+ if (mLocked.orientedRanges.havePressure) {
+ info->addMotionRange(AINPUT_MOTION_RANGE_PRESSURE,
+ mLocked.orientedRanges.pressure);
+ }
+
+ if (mLocked.orientedRanges.haveSize) {
+ info->addMotionRange(AINPUT_MOTION_RANGE_SIZE,
+ mLocked.orientedRanges.size);
+ }
+
+ if (mLocked.orientedRanges.haveTouchSize) {
+ info->addMotionRange(AINPUT_MOTION_RANGE_TOUCH_MAJOR,
+ mLocked.orientedRanges.touchMajor);
+ info->addMotionRange(AINPUT_MOTION_RANGE_TOUCH_MINOR,
+ mLocked.orientedRanges.touchMinor);
+ }
+
+ if (mLocked.orientedRanges.haveToolSize) {
+ info->addMotionRange(AINPUT_MOTION_RANGE_TOOL_MAJOR,
+ mLocked.orientedRanges.toolMajor);
+ info->addMotionRange(AINPUT_MOTION_RANGE_TOOL_MINOR,
+ mLocked.orientedRanges.toolMinor);
+ }
+
+ if (mLocked.orientedRanges.haveOrientation) {
+ info->addMotionRange(AINPUT_MOTION_RANGE_ORIENTATION,
+ mLocked.orientedRanges.orientation);
+ }
+ } // release lock
+}
+
+void TouchInputMapper::dump(String8& dump) {
+ { // acquire lock
+ AutoMutex _l(mLock);
+ dump.append(INDENT2 "Touch Input Mapper:\n");
+ dumpParameters(dump);
+ dumpVirtualKeysLocked(dump);
+ dumpRawAxes(dump);
+ dumpCalibration(dump);
+ dumpSurfaceLocked(dump);
+ dump.appendFormat(INDENT3 "Translation and Scaling Factors:\n");
+ dump.appendFormat(INDENT4 "XOrigin: %d\n", mLocked.xOrigin);
+ dump.appendFormat(INDENT4 "YOrigin: %d\n", mLocked.yOrigin);
+ dump.appendFormat(INDENT4 "XScale: %0.3f\n", mLocked.xScale);
+ dump.appendFormat(INDENT4 "YScale: %0.3f\n", mLocked.yScale);
+ dump.appendFormat(INDENT4 "XPrecision: %0.3f\n", mLocked.xPrecision);
+ dump.appendFormat(INDENT4 "YPrecision: %0.3f\n", mLocked.yPrecision);
+ dump.appendFormat(INDENT4 "GeometricScale: %0.3f\n", mLocked.geometricScale);
+ dump.appendFormat(INDENT4 "ToolSizeLinearScale: %0.3f\n", mLocked.toolSizeLinearScale);
+ dump.appendFormat(INDENT4 "ToolSizeLinearBias: %0.3f\n", mLocked.toolSizeLinearBias);
+ dump.appendFormat(INDENT4 "ToolSizeAreaScale: %0.3f\n", mLocked.toolSizeAreaScale);
+ dump.appendFormat(INDENT4 "ToolSizeAreaBias: %0.3f\n", mLocked.toolSizeAreaBias);
+ dump.appendFormat(INDENT4 "PressureScale: %0.3f\n", mLocked.pressureScale);
+ dump.appendFormat(INDENT4 "SizeScale: %0.3f\n", mLocked.sizeScale);
+ dump.appendFormat(INDENT4 "OrientationSCale: %0.3f\n", mLocked.orientationScale);
+ } // release lock
+}
+
+void TouchInputMapper::initializeLocked() {
+ mCurrentTouch.clear();
+ mLastTouch.clear();
+ mDownTime = 0;
+
+ for (uint32_t i = 0; i < MAX_POINTERS; i++) {
+ mAveragingTouchFilter.historyStart[i] = 0;
+ mAveragingTouchFilter.historyEnd[i] = 0;
+ }
+
+ mJumpyTouchFilter.jumpyPointsDropped = 0;
+
+ mLocked.currentVirtualKey.down = false;
+
+ mLocked.orientedRanges.havePressure = false;
+ mLocked.orientedRanges.haveSize = false;
+ mLocked.orientedRanges.haveTouchSize = false;
+ mLocked.orientedRanges.haveToolSize = false;
+ mLocked.orientedRanges.haveOrientation = false;
+}
+
+void TouchInputMapper::configure() {
+ InputMapper::configure();
+
+ // Configure basic parameters.
+ configureParameters();
+
+ // Configure sources.
+ switch (mParameters.deviceType) {
+ case Parameters::DEVICE_TYPE_TOUCH_SCREEN:
+ mSources = AINPUT_SOURCE_TOUCHSCREEN;
+ break;
+ case Parameters::DEVICE_TYPE_TOUCH_PAD:
+ mSources = AINPUT_SOURCE_TOUCHPAD;
+ break;
+ default:
+ assert(false);
+ }
+
+ // Configure absolute axis information.
+ configureRawAxes();
+
+ // Prepare input device calibration.
+ parseCalibration();
+ resolveCalibration();
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ // Configure surface dimensions and orientation.
+ configureSurfaceLocked();
+ } // release lock
+}
+
+void TouchInputMapper::configureParameters() {
+ mParameters.useBadTouchFilter = getPolicy()->filterTouchEvents();
+ mParameters.useAveragingTouchFilter = getPolicy()->filterTouchEvents();
+ mParameters.useJumpyTouchFilter = getPolicy()->filterJumpyTouchEvents();
+
+ String8 deviceTypeString;
+ mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_SCREEN;
+ if (getDevice()->getConfiguration().tryGetProperty(String8("touch.deviceType"),
+ deviceTypeString)) {
+ if (deviceTypeString == "touchPad") {
+ mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_PAD;
+ } else if (deviceTypeString != "touchScreen") {
+ LOGW("Invalid value for touch.deviceType: '%s'", deviceTypeString.string());
+ }
+ }
+ bool isTouchScreen = mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN;
+
+ mParameters.orientationAware = isTouchScreen;
+ getDevice()->getConfiguration().tryGetProperty(String8("touch.orientationAware"),
+ mParameters.orientationAware);
+
+ mParameters.associatedDisplayId = mParameters.orientationAware || isTouchScreen ? 0 : -1;
+}
+
+void TouchInputMapper::dumpParameters(String8& dump) {
+ dump.append(INDENT3 "Parameters:\n");
+
+ switch (mParameters.deviceType) {
+ case Parameters::DEVICE_TYPE_TOUCH_SCREEN:
+ dump.append(INDENT4 "DeviceType: touchScreen\n");
+ break;
+ case Parameters::DEVICE_TYPE_TOUCH_PAD:
+ dump.append(INDENT4 "DeviceType: touchPad\n");
+ break;
+ default:
+ assert(false);
+ }
+
+ dump.appendFormat(INDENT4 "AssociatedDisplayId: %d\n",
+ mParameters.associatedDisplayId);
+ dump.appendFormat(INDENT4 "OrientationAware: %s\n",
+ toString(mParameters.orientationAware));
+
+ dump.appendFormat(INDENT4 "UseBadTouchFilter: %s\n",
+ toString(mParameters.useBadTouchFilter));
+ dump.appendFormat(INDENT4 "UseAveragingTouchFilter: %s\n",
+ toString(mParameters.useAveragingTouchFilter));
+ dump.appendFormat(INDENT4 "UseJumpyTouchFilter: %s\n",
+ toString(mParameters.useJumpyTouchFilter));
+}
+
+void TouchInputMapper::configureRawAxes() {
+ mRawAxes.x.clear();
+ mRawAxes.y.clear();
+ mRawAxes.pressure.clear();
+ mRawAxes.touchMajor.clear();
+ mRawAxes.touchMinor.clear();
+ mRawAxes.toolMajor.clear();
+ mRawAxes.toolMinor.clear();
+ mRawAxes.orientation.clear();
+}
+
+static void dumpAxisInfo(String8& dump, RawAbsoluteAxisInfo axis, const char* name) {
+ if (axis.valid) {
+ dump.appendFormat(INDENT4 "%s: min=%d, max=%d, flat=%d, fuzz=%d\n",
+ name, axis.minValue, axis.maxValue, axis.flat, axis.fuzz);
+ } else {
+ dump.appendFormat(INDENT4 "%s: unknown range\n", name);
+ }
+}
+
+void TouchInputMapper::dumpRawAxes(String8& dump) {
+ dump.append(INDENT3 "Raw Axes:\n");
+ dumpAxisInfo(dump, mRawAxes.x, "X");
+ dumpAxisInfo(dump, mRawAxes.y, "Y");
+ dumpAxisInfo(dump, mRawAxes.pressure, "Pressure");
+ dumpAxisInfo(dump, mRawAxes.touchMajor, "TouchMajor");
+ dumpAxisInfo(dump, mRawAxes.touchMinor, "TouchMinor");
+ dumpAxisInfo(dump, mRawAxes.toolMajor, "ToolMajor");
+ dumpAxisInfo(dump, mRawAxes.toolMinor, "ToolMinor");
+ dumpAxisInfo(dump, mRawAxes.orientation, "Orientation");
+}
+
+bool TouchInputMapper::configureSurfaceLocked() {
+ // Update orientation and dimensions if needed.
+ int32_t orientation = DISPLAY_ORIENTATION_0;
+ int32_t width = mRawAxes.x.getRange();
+ int32_t height = mRawAxes.y.getRange();
+
+ if (mParameters.associatedDisplayId >= 0) {
+ bool wantSize = mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN;
+ bool wantOrientation = mParameters.orientationAware;
+
+ // Note: getDisplayInfo is non-reentrant so we can continue holding the lock.
+ if (! getPolicy()->getDisplayInfo(mParameters.associatedDisplayId,
+ wantSize ? &width : NULL, wantSize ? &height : NULL,
+ wantOrientation ? &orientation : NULL)) {
+ return false;
+ }
+ }
+
+ bool orientationChanged = mLocked.surfaceOrientation != orientation;
+ if (orientationChanged) {
+ mLocked.surfaceOrientation = orientation;
+ }
+
+ bool sizeChanged = mLocked.surfaceWidth != width || mLocked.surfaceHeight != height;
+ if (sizeChanged) {
+ LOGI("Device reconfigured: id=%d, name='%s', display size is now %dx%d",
+ getDeviceId(), getDeviceName().string(), width, height);
+
+ mLocked.surfaceWidth = width;
+ mLocked.surfaceHeight = height;
+
+ // Configure X and Y factors.
+ if (mRawAxes.x.valid && mRawAxes.y.valid) {
+ mLocked.xOrigin = mCalibration.haveXOrigin
+ ? mCalibration.xOrigin
+ : mRawAxes.x.minValue;
+ mLocked.yOrigin = mCalibration.haveYOrigin
+ ? mCalibration.yOrigin
+ : mRawAxes.y.minValue;
+ mLocked.xScale = mCalibration.haveXScale
+ ? mCalibration.xScale
+ : float(width) / mRawAxes.x.getRange();
+ mLocked.yScale = mCalibration.haveYScale
+ ? mCalibration.yScale
+ : float(height) / mRawAxes.y.getRange();
+ mLocked.xPrecision = 1.0f / mLocked.xScale;
+ mLocked.yPrecision = 1.0f / mLocked.yScale;
+
+ configureVirtualKeysLocked();
+ } else {
+ LOGW(INDENT "Touch device did not report support for X or Y axis!");
+ mLocked.xOrigin = 0;
+ mLocked.yOrigin = 0;
+ mLocked.xScale = 1.0f;
+ mLocked.yScale = 1.0f;
+ mLocked.xPrecision = 1.0f;
+ mLocked.yPrecision = 1.0f;
+ }
+
+ // Scale factor for terms that are not oriented in a particular axis.
+ // If the pixels are square then xScale == yScale otherwise we fake it
+ // by choosing an average.
+ mLocked.geometricScale = avg(mLocked.xScale, mLocked.yScale);
+
+ // Size of diagonal axis.
+ float diagonalSize = pythag(width, height);
+
+ // TouchMajor and TouchMinor factors.
+ if (mCalibration.touchSizeCalibration != Calibration::TOUCH_SIZE_CALIBRATION_NONE) {
+ mLocked.orientedRanges.haveTouchSize = true;
+ mLocked.orientedRanges.touchMajor.min = 0;
+ mLocked.orientedRanges.touchMajor.max = diagonalSize;
+ mLocked.orientedRanges.touchMajor.flat = 0;
+ mLocked.orientedRanges.touchMajor.fuzz = 0;
+ mLocked.orientedRanges.touchMinor = mLocked.orientedRanges.touchMajor;
+ }
+
+ // ToolMajor and ToolMinor factors.
+ mLocked.toolSizeLinearScale = 0;
+ mLocked.toolSizeLinearBias = 0;
+ mLocked.toolSizeAreaScale = 0;
+ mLocked.toolSizeAreaBias = 0;
+ if (mCalibration.toolSizeCalibration != Calibration::TOOL_SIZE_CALIBRATION_NONE) {
+ if (mCalibration.toolSizeCalibration == Calibration::TOOL_SIZE_CALIBRATION_LINEAR) {
+ if (mCalibration.haveToolSizeLinearScale) {
+ mLocked.toolSizeLinearScale = mCalibration.toolSizeLinearScale;
+ } else if (mRawAxes.toolMajor.valid && mRawAxes.toolMajor.maxValue != 0) {
+ mLocked.toolSizeLinearScale = float(min(width, height))
+ / mRawAxes.toolMajor.maxValue;
+ }
+
+ if (mCalibration.haveToolSizeLinearBias) {
+ mLocked.toolSizeLinearBias = mCalibration.toolSizeLinearBias;
+ }
+ } else if (mCalibration.toolSizeCalibration ==
+ Calibration::TOOL_SIZE_CALIBRATION_AREA) {
+ if (mCalibration.haveToolSizeLinearScale) {
+ mLocked.toolSizeLinearScale = mCalibration.toolSizeLinearScale;
+ } else {
+ mLocked.toolSizeLinearScale = min(width, height);
+ }
+
+ if (mCalibration.haveToolSizeLinearBias) {
+ mLocked.toolSizeLinearBias = mCalibration.toolSizeLinearBias;
+ }
+
+ if (mCalibration.haveToolSizeAreaScale) {
+ mLocked.toolSizeAreaScale = mCalibration.toolSizeAreaScale;
+ } else if (mRawAxes.toolMajor.valid && mRawAxes.toolMajor.maxValue != 0) {
+ mLocked.toolSizeAreaScale = 1.0f / mRawAxes.toolMajor.maxValue;
+ }
+
+ if (mCalibration.haveToolSizeAreaBias) {
+ mLocked.toolSizeAreaBias = mCalibration.toolSizeAreaBias;
+ }
+ }
+
+ mLocked.orientedRanges.haveToolSize = true;
+ mLocked.orientedRanges.toolMajor.min = 0;
+ mLocked.orientedRanges.toolMajor.max = diagonalSize;
+ mLocked.orientedRanges.toolMajor.flat = 0;
+ mLocked.orientedRanges.toolMajor.fuzz = 0;
+ mLocked.orientedRanges.toolMinor = mLocked.orientedRanges.toolMajor;
+ }
+
+ // Pressure factors.
+ mLocked.pressureScale = 0;
+ if (mCalibration.pressureCalibration != Calibration::PRESSURE_CALIBRATION_NONE) {
+ RawAbsoluteAxisInfo rawPressureAxis;
+ switch (mCalibration.pressureSource) {
+ case Calibration::PRESSURE_SOURCE_PRESSURE:
+ rawPressureAxis = mRawAxes.pressure;
+ break;
+ case Calibration::PRESSURE_SOURCE_TOUCH:
+ rawPressureAxis = mRawAxes.touchMajor;
+ break;
+ default:
+ rawPressureAxis.clear();
+ }
+
+ if (mCalibration.pressureCalibration == Calibration::PRESSURE_CALIBRATION_PHYSICAL
+ || mCalibration.pressureCalibration
+ == Calibration::PRESSURE_CALIBRATION_AMPLITUDE) {
+ if (mCalibration.havePressureScale) {
+ mLocked.pressureScale = mCalibration.pressureScale;
+ } else if (rawPressureAxis.valid && rawPressureAxis.maxValue != 0) {
+ mLocked.pressureScale = 1.0f / rawPressureAxis.maxValue;
+ }
+ }
+
+ mLocked.orientedRanges.havePressure = true;
+ mLocked.orientedRanges.pressure.min = 0;
+ mLocked.orientedRanges.pressure.max = 1.0;
+ mLocked.orientedRanges.pressure.flat = 0;
+ mLocked.orientedRanges.pressure.fuzz = 0;
+ }
+
+ // Size factors.
+ mLocked.sizeScale = 0;
+ if (mCalibration.sizeCalibration != Calibration::SIZE_CALIBRATION_NONE) {
+ if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_NORMALIZED) {
+ if (mRawAxes.toolMajor.valid && mRawAxes.toolMajor.maxValue != 0) {
+ mLocked.sizeScale = 1.0f / mRawAxes.toolMajor.maxValue;
+ }
+ }
+
+ mLocked.orientedRanges.haveSize = true;
+ mLocked.orientedRanges.size.min = 0;
+ mLocked.orientedRanges.size.max = 1.0;
+ mLocked.orientedRanges.size.flat = 0;
+ mLocked.orientedRanges.size.fuzz = 0;
+ }
+
+ // Orientation
+ mLocked.orientationScale = 0;
+ if (mCalibration.orientationCalibration != Calibration::ORIENTATION_CALIBRATION_NONE) {
+ if (mCalibration.orientationCalibration
+ == Calibration::ORIENTATION_CALIBRATION_INTERPOLATED) {
+ if (mRawAxes.orientation.valid && mRawAxes.orientation.maxValue != 0) {
+ mLocked.orientationScale = float(M_PI_2) / mRawAxes.orientation.maxValue;
+ }
+ }
+
+ mLocked.orientedRanges.orientation.min = - M_PI_2;
+ mLocked.orientedRanges.orientation.max = M_PI_2;
+ mLocked.orientedRanges.orientation.flat = 0;
+ mLocked.orientedRanges.orientation.fuzz = 0;
+ }
+ }
+
+ if (orientationChanged || sizeChanged) {
+ // Compute oriented surface dimensions, precision, and scales.
+ float orientedXScale, orientedYScale;
+ switch (mLocked.surfaceOrientation) {
+ case DISPLAY_ORIENTATION_90:
+ case DISPLAY_ORIENTATION_270:
+ mLocked.orientedSurfaceWidth = mLocked.surfaceHeight;
+ mLocked.orientedSurfaceHeight = mLocked.surfaceWidth;
+ mLocked.orientedXPrecision = mLocked.yPrecision;
+ mLocked.orientedYPrecision = mLocked.xPrecision;
+ orientedXScale = mLocked.yScale;
+ orientedYScale = mLocked.xScale;
+ break;
+ default:
+ mLocked.orientedSurfaceWidth = mLocked.surfaceWidth;
+ mLocked.orientedSurfaceHeight = mLocked.surfaceHeight;
+ mLocked.orientedXPrecision = mLocked.xPrecision;
+ mLocked.orientedYPrecision = mLocked.yPrecision;
+ orientedXScale = mLocked.xScale;
+ orientedYScale = mLocked.yScale;
+ break;
+ }
+
+ // Configure position ranges.
+ mLocked.orientedRanges.x.min = 0;
+ mLocked.orientedRanges.x.max = mLocked.orientedSurfaceWidth;
+ mLocked.orientedRanges.x.flat = 0;
+ mLocked.orientedRanges.x.fuzz = orientedXScale;
+
+ mLocked.orientedRanges.y.min = 0;
+ mLocked.orientedRanges.y.max = mLocked.orientedSurfaceHeight;
+ mLocked.orientedRanges.y.flat = 0;
+ mLocked.orientedRanges.y.fuzz = orientedYScale;
+ }
+
+ return true;
+}
+
+void TouchInputMapper::dumpSurfaceLocked(String8& dump) {
+ dump.appendFormat(INDENT3 "SurfaceWidth: %dpx\n", mLocked.surfaceWidth);
+ dump.appendFormat(INDENT3 "SurfaceHeight: %dpx\n", mLocked.surfaceHeight);
+ dump.appendFormat(INDENT3 "SurfaceOrientation: %d\n", mLocked.surfaceOrientation);
+}
+
+void TouchInputMapper::configureVirtualKeysLocked() {
+ assert(mRawAxes.x.valid && mRawAxes.y.valid);
+
+ Vector<VirtualKeyDefinition> virtualKeyDefinitions;
+ getEventHub()->getVirtualKeyDefinitions(getDeviceId(), virtualKeyDefinitions);
+
+ mLocked.virtualKeys.clear();
+
+ if (virtualKeyDefinitions.size() == 0) {
+ return;
+ }
+
+ mLocked.virtualKeys.setCapacity(virtualKeyDefinitions.size());
+
+ int32_t touchScreenLeft = mRawAxes.x.minValue;
+ int32_t touchScreenTop = mRawAxes.y.minValue;
+ int32_t touchScreenWidth = mRawAxes.x.getRange();
+ int32_t touchScreenHeight = mRawAxes.y.getRange();
+
+ for (size_t i = 0; i < virtualKeyDefinitions.size(); i++) {
+ const VirtualKeyDefinition& virtualKeyDefinition =
+ virtualKeyDefinitions[i];
+
+ mLocked.virtualKeys.add();
+ VirtualKey& virtualKey = mLocked.virtualKeys.editTop();
+
+ virtualKey.scanCode = virtualKeyDefinition.scanCode;
+ int32_t keyCode;
+ uint32_t flags;
+ if (getEventHub()->scancodeToKeycode(getDeviceId(), virtualKey.scanCode,
+ & keyCode, & flags)) {
+ LOGW(INDENT "VirtualKey %d: could not obtain key code, ignoring",
+ virtualKey.scanCode);
+ mLocked.virtualKeys.pop(); // drop the key
+ continue;
+ }
+
+ virtualKey.keyCode = keyCode;
+ virtualKey.flags = flags;
+
+ // convert the key definition's display coordinates into touch coordinates for a hit box
+ int32_t halfWidth = virtualKeyDefinition.width / 2;
+ int32_t halfHeight = virtualKeyDefinition.height / 2;
+
+ virtualKey.hitLeft = (virtualKeyDefinition.centerX - halfWidth)
+ * touchScreenWidth / mLocked.surfaceWidth + touchScreenLeft;
+ virtualKey.hitRight= (virtualKeyDefinition.centerX + halfWidth)
+ * touchScreenWidth / mLocked.surfaceWidth + touchScreenLeft;
+ virtualKey.hitTop = (virtualKeyDefinition.centerY - halfHeight)
+ * touchScreenHeight / mLocked.surfaceHeight + touchScreenTop;
+ virtualKey.hitBottom = (virtualKeyDefinition.centerY + halfHeight)
+ * touchScreenHeight / mLocked.surfaceHeight + touchScreenTop;
+
+ }
+}
+
+void TouchInputMapper::dumpVirtualKeysLocked(String8& dump) {
+ if (!mLocked.virtualKeys.isEmpty()) {
+ dump.append(INDENT3 "Virtual Keys:\n");
+
+ for (size_t i = 0; i < mLocked.virtualKeys.size(); i++) {
+ const VirtualKey& virtualKey = mLocked.virtualKeys.itemAt(i);
+ dump.appendFormat(INDENT4 "%d: scanCode=%d, keyCode=%d, "
+ "hitLeft=%d, hitRight=%d, hitTop=%d, hitBottom=%d\n",
+ i, virtualKey.scanCode, virtualKey.keyCode,
+ virtualKey.hitLeft, virtualKey.hitRight,
+ virtualKey.hitTop, virtualKey.hitBottom);
+ }
+ }
+}
+
+void TouchInputMapper::parseCalibration() {
+ const PropertyMap& in = getDevice()->getConfiguration();
+ Calibration& out = mCalibration;
+
+ // Position
+ out.haveXOrigin = in.tryGetProperty(String8("touch.position.xOrigin"), out.xOrigin);
+ out.haveYOrigin = in.tryGetProperty(String8("touch.position.yOrigin"), out.yOrigin);
+ out.haveXScale = in.tryGetProperty(String8("touch.position.xScale"), out.xScale);
+ out.haveYScale = in.tryGetProperty(String8("touch.position.yScale"), out.yScale);
+
+ // Touch Size
+ out.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_DEFAULT;
+ String8 touchSizeCalibrationString;
+ if (in.tryGetProperty(String8("touch.touchSize.calibration"), touchSizeCalibrationString)) {
+ if (touchSizeCalibrationString == "none") {
+ out.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_NONE;
+ } else if (touchSizeCalibrationString == "geometric") {
+ out.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_GEOMETRIC;
+ } else if (touchSizeCalibrationString == "pressure") {
+ out.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_PRESSURE;
+ } else if (touchSizeCalibrationString != "default") {
+ LOGW("Invalid value for touch.touchSize.calibration: '%s'",
+ touchSizeCalibrationString.string());
+ }
+ }
+
+ // Tool Size
+ out.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_DEFAULT;
+ String8 toolSizeCalibrationString;
+ if (in.tryGetProperty(String8("touch.toolSize.calibration"), toolSizeCalibrationString)) {
+ if (toolSizeCalibrationString == "none") {
+ out.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_NONE;
+ } else if (toolSizeCalibrationString == "geometric") {
+ out.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_GEOMETRIC;
+ } else if (toolSizeCalibrationString == "linear") {
+ out.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_LINEAR;
+ } else if (toolSizeCalibrationString == "area") {
+ out.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_AREA;
+ } else if (toolSizeCalibrationString != "default") {
+ LOGW("Invalid value for touch.toolSize.calibration: '%s'",
+ toolSizeCalibrationString.string());
+ }
+ }
+
+ out.haveToolSizeLinearScale = in.tryGetProperty(String8("touch.toolSize.linearScale"),
+ out.toolSizeLinearScale);
+ out.haveToolSizeLinearBias = in.tryGetProperty(String8("touch.toolSize.linearBias"),
+ out.toolSizeLinearBias);
+ out.haveToolSizeAreaScale = in.tryGetProperty(String8("touch.toolSize.areaScale"),
+ out.toolSizeAreaScale);
+ out.haveToolSizeAreaBias = in.tryGetProperty(String8("touch.toolSize.areaBias"),
+ out.toolSizeAreaBias);
+ out.haveToolSizeIsSummed = in.tryGetProperty(String8("touch.toolSize.isSummed"),
+ out.toolSizeIsSummed);
+
+ // Pressure
+ out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_DEFAULT;
+ String8 pressureCalibrationString;
+ if (in.tryGetProperty(String8("touch.pressure.calibration"), pressureCalibrationString)) {
+ if (pressureCalibrationString == "none") {
+ out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_NONE;
+ } else if (pressureCalibrationString == "physical") {
+ out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_PHYSICAL;
+ } else if (pressureCalibrationString == "amplitude") {
+ out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_AMPLITUDE;
+ } else if (pressureCalibrationString != "default") {
+ LOGW("Invalid value for touch.pressure.calibration: '%s'",
+ pressureCalibrationString.string());
+ }
+ }
+
+ out.pressureSource = Calibration::PRESSURE_SOURCE_DEFAULT;
+ String8 pressureSourceString;
+ if (in.tryGetProperty(String8("touch.pressure.source"), pressureSourceString)) {
+ if (pressureSourceString == "pressure") {
+ out.pressureSource = Calibration::PRESSURE_SOURCE_PRESSURE;
+ } else if (pressureSourceString == "touch") {
+ out.pressureSource = Calibration::PRESSURE_SOURCE_TOUCH;
+ } else if (pressureSourceString != "default") {
+ LOGW("Invalid value for touch.pressure.source: '%s'",
+ pressureSourceString.string());
+ }
+ }
+
+ out.havePressureScale = in.tryGetProperty(String8("touch.pressure.scale"),
+ out.pressureScale);
+
+ // Size
+ out.sizeCalibration = Calibration::SIZE_CALIBRATION_DEFAULT;
+ String8 sizeCalibrationString;
+ if (in.tryGetProperty(String8("touch.size.calibration"), sizeCalibrationString)) {
+ if (sizeCalibrationString == "none") {
+ out.sizeCalibration = Calibration::SIZE_CALIBRATION_NONE;
+ } else if (sizeCalibrationString == "normalized") {
+ out.sizeCalibration = Calibration::SIZE_CALIBRATION_NORMALIZED;
+ } else if (sizeCalibrationString != "default") {
+ LOGW("Invalid value for touch.size.calibration: '%s'",
+ sizeCalibrationString.string());
+ }
+ }
+
+ // Orientation
+ out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_DEFAULT;
+ String8 orientationCalibrationString;
+ if (in.tryGetProperty(String8("touch.orientation.calibration"), orientationCalibrationString)) {
+ if (orientationCalibrationString == "none") {
+ out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_NONE;
+ } else if (orientationCalibrationString == "interpolated") {
+ out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_INTERPOLATED;
+ } else if (orientationCalibrationString != "default") {
+ LOGW("Invalid value for touch.orientation.calibration: '%s'",
+ orientationCalibrationString.string());
+ }
+ }
+}
+
+void TouchInputMapper::resolveCalibration() {
+ // Pressure
+ switch (mCalibration.pressureSource) {
+ case Calibration::PRESSURE_SOURCE_DEFAULT:
+ if (mRawAxes.pressure.valid) {
+ mCalibration.pressureSource = Calibration::PRESSURE_SOURCE_PRESSURE;
+ } else if (mRawAxes.touchMajor.valid) {
+ mCalibration.pressureSource = Calibration::PRESSURE_SOURCE_TOUCH;
+ }
+ break;
+
+ case Calibration::PRESSURE_SOURCE_PRESSURE:
+ if (! mRawAxes.pressure.valid) {
+ LOGW("Calibration property touch.pressure.source is 'pressure' but "
+ "the pressure axis is not available.");
+ }
+ break;
+
+ case Calibration::PRESSURE_SOURCE_TOUCH:
+ if (! mRawAxes.touchMajor.valid) {
+ LOGW("Calibration property touch.pressure.source is 'touch' but "
+ "the touchMajor axis is not available.");
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ switch (mCalibration.pressureCalibration) {
+ case Calibration::PRESSURE_CALIBRATION_DEFAULT:
+ if (mCalibration.pressureSource != Calibration::PRESSURE_SOURCE_DEFAULT) {
+ mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_AMPLITUDE;
+ } else {
+ mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_NONE;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ // Tool Size
+ switch (mCalibration.toolSizeCalibration) {
+ case Calibration::TOOL_SIZE_CALIBRATION_DEFAULT:
+ if (mRawAxes.toolMajor.valid) {
+ mCalibration.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_LINEAR;
+ } else {
+ mCalibration.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_NONE;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ // Touch Size
+ switch (mCalibration.touchSizeCalibration) {
+ case Calibration::TOUCH_SIZE_CALIBRATION_DEFAULT:
+ if (mCalibration.pressureCalibration != Calibration::PRESSURE_CALIBRATION_NONE
+ && mCalibration.toolSizeCalibration != Calibration::TOOL_SIZE_CALIBRATION_NONE) {
+ mCalibration.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_PRESSURE;
+ } else {
+ mCalibration.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_NONE;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ // Size
+ switch (mCalibration.sizeCalibration) {
+ case Calibration::SIZE_CALIBRATION_DEFAULT:
+ if (mRawAxes.toolMajor.valid) {
+ mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_NORMALIZED;
+ } else {
+ mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_NONE;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ // Orientation
+ switch (mCalibration.orientationCalibration) {
+ case Calibration::ORIENTATION_CALIBRATION_DEFAULT:
+ if (mRawAxes.orientation.valid) {
+ mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_INTERPOLATED;
+ } else {
+ mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_NONE;
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+void TouchInputMapper::dumpCalibration(String8& dump) {
+ dump.append(INDENT3 "Calibration:\n");
+
+ // Position
+ if (mCalibration.haveXOrigin) {
+ dump.appendFormat(INDENT4 "touch.position.xOrigin: %d\n", mCalibration.xOrigin);
+ }
+ if (mCalibration.haveYOrigin) {
+ dump.appendFormat(INDENT4 "touch.position.yOrigin: %d\n", mCalibration.yOrigin);
+ }
+ if (mCalibration.haveXScale) {
+ dump.appendFormat(INDENT4 "touch.position.xScale: %0.3f\n", mCalibration.xScale);
+ }
+ if (mCalibration.haveYScale) {
+ dump.appendFormat(INDENT4 "touch.position.yScale: %0.3f\n", mCalibration.yScale);
+ }
+
+ // Touch Size
+ switch (mCalibration.touchSizeCalibration) {
+ case Calibration::TOUCH_SIZE_CALIBRATION_NONE:
+ dump.append(INDENT4 "touch.touchSize.calibration: none\n");
+ break;
+ case Calibration::TOUCH_SIZE_CALIBRATION_GEOMETRIC:
+ dump.append(INDENT4 "touch.touchSize.calibration: geometric\n");
+ break;
+ case Calibration::TOUCH_SIZE_CALIBRATION_PRESSURE:
+ dump.append(INDENT4 "touch.touchSize.calibration: pressure\n");
+ break;
+ default:
+ assert(false);
+ }
+
+ // Tool Size
+ switch (mCalibration.toolSizeCalibration) {
+ case Calibration::TOOL_SIZE_CALIBRATION_NONE:
+ dump.append(INDENT4 "touch.toolSize.calibration: none\n");
+ break;
+ case Calibration::TOOL_SIZE_CALIBRATION_GEOMETRIC:
+ dump.append(INDENT4 "touch.toolSize.calibration: geometric\n");
+ break;
+ case Calibration::TOOL_SIZE_CALIBRATION_LINEAR:
+ dump.append(INDENT4 "touch.toolSize.calibration: linear\n");
+ break;
+ case Calibration::TOOL_SIZE_CALIBRATION_AREA:
+ dump.append(INDENT4 "touch.toolSize.calibration: area\n");
+ break;
+ default:
+ assert(false);
+ }
+
+ if (mCalibration.haveToolSizeLinearScale) {
+ dump.appendFormat(INDENT4 "touch.toolSize.linearScale: %0.3f\n",
+ mCalibration.toolSizeLinearScale);
+ }
+
+ if (mCalibration.haveToolSizeLinearBias) {
+ dump.appendFormat(INDENT4 "touch.toolSize.linearBias: %0.3f\n",
+ mCalibration.toolSizeLinearBias);
+ }
+
+ if (mCalibration.haveToolSizeAreaScale) {
+ dump.appendFormat(INDENT4 "touch.toolSize.areaScale: %0.3f\n",
+ mCalibration.toolSizeAreaScale);
+ }
+
+ if (mCalibration.haveToolSizeAreaBias) {
+ dump.appendFormat(INDENT4 "touch.toolSize.areaBias: %0.3f\n",
+ mCalibration.toolSizeAreaBias);
+ }
+
+ if (mCalibration.haveToolSizeIsSummed) {
+ dump.appendFormat(INDENT4 "touch.toolSize.isSummed: %s\n",
+ toString(mCalibration.toolSizeIsSummed));
+ }
+
+ // Pressure
+ switch (mCalibration.pressureCalibration) {
+ case Calibration::PRESSURE_CALIBRATION_NONE:
+ dump.append(INDENT4 "touch.pressure.calibration: none\n");
+ break;
+ case Calibration::PRESSURE_CALIBRATION_PHYSICAL:
+ dump.append(INDENT4 "touch.pressure.calibration: physical\n");
+ break;
+ case Calibration::PRESSURE_CALIBRATION_AMPLITUDE:
+ dump.append(INDENT4 "touch.pressure.calibration: amplitude\n");
+ break;
+ default:
+ assert(false);
+ }
+
+ switch (mCalibration.pressureSource) {
+ case Calibration::PRESSURE_SOURCE_PRESSURE:
+ dump.append(INDENT4 "touch.pressure.source: pressure\n");
+ break;
+ case Calibration::PRESSURE_SOURCE_TOUCH:
+ dump.append(INDENT4 "touch.pressure.source: touch\n");
+ break;
+ case Calibration::PRESSURE_SOURCE_DEFAULT:
+ break;
+ default:
+ assert(false);
+ }
+
+ if (mCalibration.havePressureScale) {
+ dump.appendFormat(INDENT4 "touch.pressure.scale: %0.3f\n",
+ mCalibration.pressureScale);
+ }
+
+ // Size
+ switch (mCalibration.sizeCalibration) {
+ case Calibration::SIZE_CALIBRATION_NONE:
+ dump.append(INDENT4 "touch.size.calibration: none\n");
+ break;
+ case Calibration::SIZE_CALIBRATION_NORMALIZED:
+ dump.append(INDENT4 "touch.size.calibration: normalized\n");
+ break;
+ default:
+ assert(false);
+ }
+
+ // Orientation
+ switch (mCalibration.orientationCalibration) {
+ case Calibration::ORIENTATION_CALIBRATION_NONE:
+ dump.append(INDENT4 "touch.orientation.calibration: none\n");
+ break;
+ case Calibration::ORIENTATION_CALIBRATION_INTERPOLATED:
+ dump.append(INDENT4 "touch.orientation.calibration: interpolated\n");
+ break;
+ default:
+ assert(false);
+ }
+}
+
+void TouchInputMapper::reset() {
+ // Synthesize touch up event if touch is currently down.
+ // This will also take care of finishing virtual key processing if needed.
+ if (mLastTouch.pointerCount != 0) {
+ nsecs_t when = systemTime(SYSTEM_TIME_MONOTONIC);
+ mCurrentTouch.clear();
+ syncTouch(when, true);
+ }
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+ initializeLocked();
+ } // release lock
+
+ InputMapper::reset();
+}
+
+void TouchInputMapper::syncTouch(nsecs_t when, bool havePointerIds) {
+ uint32_t policyFlags = 0;
+
+ // Preprocess pointer data.
+
+ if (mParameters.useBadTouchFilter) {
+ if (applyBadTouchFilter()) {
+ havePointerIds = false;
+ }
+ }
+
+ if (mParameters.useJumpyTouchFilter) {
+ if (applyJumpyTouchFilter()) {
+ havePointerIds = false;
+ }
+ }
+
+ if (! havePointerIds) {
+ calculatePointerIds();
+ }
+
+ TouchData temp;
+ TouchData* savedTouch;
+ if (mParameters.useAveragingTouchFilter) {
+ temp.copyFrom(mCurrentTouch);
+ savedTouch = & temp;
+
+ applyAveragingTouchFilter();
+ } else {
+ savedTouch = & mCurrentTouch;
+ }
+
+ // Process touches and virtual keys.
+
+ TouchResult touchResult = consumeOffScreenTouches(when, policyFlags);
+ if (touchResult == DISPATCH_TOUCH) {
+ dispatchTouches(when, policyFlags);
+ }
+
+ // Copy current touch to last touch in preparation for the next cycle.
+
+ if (touchResult == DROP_STROKE) {
+ mLastTouch.clear();
+ } else {
+ mLastTouch.copyFrom(*savedTouch);
+ }
+}
+
+TouchInputMapper::TouchResult TouchInputMapper::consumeOffScreenTouches(
+ nsecs_t when, uint32_t policyFlags) {
+ int32_t keyEventAction, keyEventFlags;
+ int32_t keyCode, scanCode, downTime;
+ TouchResult touchResult;
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ // Update surface size and orientation, including virtual key positions.
+ if (! configureSurfaceLocked()) {
+ return DROP_STROKE;
+ }
+
+ // Check for virtual key press.
+ if (mLocked.currentVirtualKey.down) {
+ if (mCurrentTouch.pointerCount == 0) {
+ // Pointer went up while virtual key was down.
+ mLocked.currentVirtualKey.down = false;
+#if DEBUG_VIRTUAL_KEYS
+ LOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
+ mLocked.currentVirtualKey.keyCode, mLocked.currentVirtualKey.scanCode);
+#endif
+ keyEventAction = AKEY_EVENT_ACTION_UP;
+ keyEventFlags = AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY;
+ touchResult = SKIP_TOUCH;
+ goto DispatchVirtualKey;
+ }
+
+ if (mCurrentTouch.pointerCount == 1) {
+ int32_t x = mCurrentTouch.pointers[0].x;
+ int32_t y = mCurrentTouch.pointers[0].y;
+ const VirtualKey* virtualKey = findVirtualKeyHitLocked(x, y);
+ if (virtualKey && virtualKey->keyCode == mLocked.currentVirtualKey.keyCode) {
+ // Pointer is still within the space of the virtual key.
+ return SKIP_TOUCH;
+ }
+ }
+
+ // Pointer left virtual key area or another pointer also went down.
+ // Send key cancellation and drop the stroke so subsequent motions will be
+ // considered fresh downs. This is useful when the user swipes away from the
+ // virtual key area into the main display surface.
+ mLocked.currentVirtualKey.down = false;
+#if DEBUG_VIRTUAL_KEYS
+ LOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
+ mLocked.currentVirtualKey.keyCode, mLocked.currentVirtualKey.scanCode);
+#endif
+ keyEventAction = AKEY_EVENT_ACTION_UP;
+ keyEventFlags = AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY
+ | AKEY_EVENT_FLAG_CANCELED;
+
+ // Check whether the pointer moved inside the display area where we should
+ // start a new stroke.
+ int32_t x = mCurrentTouch.pointers[0].x;
+ int32_t y = mCurrentTouch.pointers[0].y;
+ if (isPointInsideSurfaceLocked(x, y)) {
+ mLastTouch.clear();
+ touchResult = DISPATCH_TOUCH;
+ } else {
+ touchResult = DROP_STROKE;
+ }
+ } else {
+ if (mCurrentTouch.pointerCount >= 1 && mLastTouch.pointerCount == 0) {
+ // Pointer just went down. Handle off-screen touches, if needed.
+ int32_t x = mCurrentTouch.pointers[0].x;
+ int32_t y = mCurrentTouch.pointers[0].y;
+ if (! isPointInsideSurfaceLocked(x, y)) {
+ // If exactly one pointer went down, check for virtual key hit.
+ // Otherwise we will drop the entire stroke.
+ if (mCurrentTouch.pointerCount == 1) {
+ const VirtualKey* virtualKey = findVirtualKeyHitLocked(x, y);
+ if (virtualKey) {
+ mLocked.currentVirtualKey.down = true;
+ mLocked.currentVirtualKey.downTime = when;
+ mLocked.currentVirtualKey.keyCode = virtualKey->keyCode;
+ mLocked.currentVirtualKey.scanCode = virtualKey->scanCode;
+#if DEBUG_VIRTUAL_KEYS
+ LOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
+ mLocked.currentVirtualKey.keyCode,
+ mLocked.currentVirtualKey.scanCode);
+#endif
+ keyEventAction = AKEY_EVENT_ACTION_DOWN;
+ keyEventFlags = AKEY_EVENT_FLAG_FROM_SYSTEM
+ | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY;
+ touchResult = SKIP_TOUCH;
+ goto DispatchVirtualKey;
+ }
+ }
+ return DROP_STROKE;
+ }
+ }
+ return DISPATCH_TOUCH;
+ }
+
+ DispatchVirtualKey:
+ // Collect remaining state needed to dispatch virtual key.
+ keyCode = mLocked.currentVirtualKey.keyCode;
+ scanCode = mLocked.currentVirtualKey.scanCode;
+ downTime = mLocked.currentVirtualKey.downTime;
+ } // release lock
+
+ // Dispatch virtual key.
+ int32_t metaState = mContext->getGlobalMetaState();
+ policyFlags |= POLICY_FLAG_VIRTUAL;
+ getDispatcher()->notifyKey(when, getDeviceId(), AINPUT_SOURCE_KEYBOARD, policyFlags,
+ keyEventAction, keyEventFlags, keyCode, scanCode, metaState, downTime);
+ return touchResult;
+}
+
+void TouchInputMapper::dispatchTouches(nsecs_t when, uint32_t policyFlags) {
+ uint32_t currentPointerCount = mCurrentTouch.pointerCount;
+ uint32_t lastPointerCount = mLastTouch.pointerCount;
+ if (currentPointerCount == 0 && lastPointerCount == 0) {
+ return; // nothing to do!
+ }
+
+ BitSet32 currentIdBits = mCurrentTouch.idBits;
+ BitSet32 lastIdBits = mLastTouch.idBits;
+
+ if (currentIdBits == lastIdBits) {
+ // No pointer id changes so this is a move event.
+ // The dispatcher takes care of batching moves so we don't have to deal with that here.
+ int32_t motionEventAction = AMOTION_EVENT_ACTION_MOVE;
+ dispatchTouch(when, policyFlags, & mCurrentTouch,
+ currentIdBits, -1, currentPointerCount, motionEventAction);
+ } else {
+ // There may be pointers going up and pointers going down and pointers moving
+ // all at the same time.
+ BitSet32 upIdBits(lastIdBits.value & ~ currentIdBits.value);
+ BitSet32 downIdBits(currentIdBits.value & ~ lastIdBits.value);
+ BitSet32 activeIdBits(lastIdBits.value);
+ uint32_t pointerCount = lastPointerCount;
+
+ // Produce an intermediate representation of the touch data that consists of the
+ // old location of pointers that have just gone up and the new location of pointers that
+ // have just moved but omits the location of pointers that have just gone down.
+ TouchData interimTouch;
+ interimTouch.copyFrom(mLastTouch);
+
+ BitSet32 moveIdBits(lastIdBits.value & currentIdBits.value);
+ bool moveNeeded = false;
+ while (!moveIdBits.isEmpty()) {
+ uint32_t moveId = moveIdBits.firstMarkedBit();
+ moveIdBits.clearBit(moveId);
+
+ int32_t oldIndex = mLastTouch.idToIndex[moveId];
+ int32_t newIndex = mCurrentTouch.idToIndex[moveId];
+ if (mLastTouch.pointers[oldIndex] != mCurrentTouch.pointers[newIndex]) {
+ interimTouch.pointers[oldIndex] = mCurrentTouch.pointers[newIndex];
+ moveNeeded = true;
+ }
+ }
+
+ // Dispatch pointer up events using the interim pointer locations.
+ while (!upIdBits.isEmpty()) {
+ uint32_t upId = upIdBits.firstMarkedBit();
+ upIdBits.clearBit(upId);
+ BitSet32 oldActiveIdBits = activeIdBits;
+ activeIdBits.clearBit(upId);
+
+ int32_t motionEventAction;
+ if (activeIdBits.isEmpty()) {
+ motionEventAction = AMOTION_EVENT_ACTION_UP;
+ } else {
+ motionEventAction = AMOTION_EVENT_ACTION_POINTER_UP;
+ }
+
+ dispatchTouch(when, policyFlags, &interimTouch,
+ oldActiveIdBits, upId, pointerCount, motionEventAction);
+ pointerCount -= 1;
+ }
+
+ // Dispatch move events if any of the remaining pointers moved from their old locations.
+ // Although applications receive new locations as part of individual pointer up
+ // events, they do not generally handle them except when presented in a move event.
+ if (moveNeeded) {
+ dispatchTouch(when, policyFlags, &mCurrentTouch,
+ activeIdBits, -1, pointerCount, AMOTION_EVENT_ACTION_MOVE);
+ }
+
+ // Dispatch pointer down events using the new pointer locations.
+ while (!downIdBits.isEmpty()) {
+ uint32_t downId = downIdBits.firstMarkedBit();
+ downIdBits.clearBit(downId);
+ BitSet32 oldActiveIdBits = activeIdBits;
+ activeIdBits.markBit(downId);
+
+ int32_t motionEventAction;
+ if (oldActiveIdBits.isEmpty()) {
+ motionEventAction = AMOTION_EVENT_ACTION_DOWN;
+ mDownTime = when;
+ } else {
+ motionEventAction = AMOTION_EVENT_ACTION_POINTER_DOWN;
+ }
+
+ pointerCount += 1;
+ dispatchTouch(when, policyFlags, &mCurrentTouch,
+ activeIdBits, downId, pointerCount, motionEventAction);
+ }
+ }
+}
+
+void TouchInputMapper::dispatchTouch(nsecs_t when, uint32_t policyFlags,
+ TouchData* touch, BitSet32 idBits, uint32_t changedId, uint32_t pointerCount,
+ int32_t motionEventAction) {
+ int32_t pointerIds[MAX_POINTERS];
+ PointerCoords pointerCoords[MAX_POINTERS];
+ int32_t motionEventEdgeFlags = 0;
+ float xPrecision, yPrecision;
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ // Walk through the the active pointers and map touch screen coordinates (TouchData) into
+ // display coordinates (PointerCoords) and adjust for display orientation.
+ for (uint32_t outIndex = 0; ! idBits.isEmpty(); outIndex++) {
+ uint32_t id = idBits.firstMarkedBit();
+ idBits.clearBit(id);
+ uint32_t inIndex = touch->idToIndex[id];
+
+ const PointerData& in = touch->pointers[inIndex];
+
+ // X and Y
+ float x = float(in.x - mLocked.xOrigin) * mLocked.xScale;
+ float y = float(in.y - mLocked.yOrigin) * mLocked.yScale;
+
+ // ToolMajor and ToolMinor
+ float toolMajor, toolMinor;
+ switch (mCalibration.toolSizeCalibration) {
+ case Calibration::TOOL_SIZE_CALIBRATION_GEOMETRIC:
+ toolMajor = in.toolMajor * mLocked.geometricScale;
+ if (mRawAxes.toolMinor.valid) {
+ toolMinor = in.toolMinor * mLocked.geometricScale;
+ } else {
+ toolMinor = toolMajor;
+ }
+ break;
+ case Calibration::TOOL_SIZE_CALIBRATION_LINEAR:
+ toolMajor = in.toolMajor != 0
+ ? in.toolMajor * mLocked.toolSizeLinearScale + mLocked.toolSizeLinearBias
+ : 0;
+ if (mRawAxes.toolMinor.valid) {
+ toolMinor = in.toolMinor != 0
+ ? in.toolMinor * mLocked.toolSizeLinearScale
+ + mLocked.toolSizeLinearBias
+ : 0;
+ } else {
+ toolMinor = toolMajor;
+ }
+ break;
+ case Calibration::TOOL_SIZE_CALIBRATION_AREA:
+ if (in.toolMajor != 0) {
+ float diameter = sqrtf(in.toolMajor
+ * mLocked.toolSizeAreaScale + mLocked.toolSizeAreaBias);
+ toolMajor = diameter * mLocked.toolSizeLinearScale + mLocked.toolSizeLinearBias;
+ } else {
+ toolMajor = 0;
+ }
+ toolMinor = toolMajor;
+ break;
+ default:
+ toolMajor = 0;
+ toolMinor = 0;
+ break;
+ }
+
+ if (mCalibration.haveToolSizeIsSummed && mCalibration.toolSizeIsSummed) {
+ toolMajor /= pointerCount;
+ toolMinor /= pointerCount;
+ }
+
+ // Pressure
+ float rawPressure;
+ switch (mCalibration.pressureSource) {
+ case Calibration::PRESSURE_SOURCE_PRESSURE:
+ rawPressure = in.pressure;
+ break;
+ case Calibration::PRESSURE_SOURCE_TOUCH:
+ rawPressure = in.touchMajor;
+ break;
+ default:
+ rawPressure = 0;
+ }
+
+ float pressure;
+ switch (mCalibration.pressureCalibration) {
+ case Calibration::PRESSURE_CALIBRATION_PHYSICAL:
+ case Calibration::PRESSURE_CALIBRATION_AMPLITUDE:
+ pressure = rawPressure * mLocked.pressureScale;
+ break;
+ default:
+ pressure = 1;
+ break;
+ }
+
+ // TouchMajor and TouchMinor
+ float touchMajor, touchMinor;
+ switch (mCalibration.touchSizeCalibration) {
+ case Calibration::TOUCH_SIZE_CALIBRATION_GEOMETRIC:
+ touchMajor = in.touchMajor * mLocked.geometricScale;
+ if (mRawAxes.touchMinor.valid) {
+ touchMinor = in.touchMinor * mLocked.geometricScale;
+ } else {
+ touchMinor = touchMajor;
+ }
+ break;
+ case Calibration::TOUCH_SIZE_CALIBRATION_PRESSURE:
+ touchMajor = toolMajor * pressure;
+ touchMinor = toolMinor * pressure;
+ break;
+ default:
+ touchMajor = 0;
+ touchMinor = 0;
+ break;
+ }
+
+ if (touchMajor > toolMajor) {
+ touchMajor = toolMajor;
+ }
+ if (touchMinor > toolMinor) {
+ touchMinor = toolMinor;
+ }
+
+ // Size
+ float size;
+ switch (mCalibration.sizeCalibration) {
+ case Calibration::SIZE_CALIBRATION_NORMALIZED: {
+ float rawSize = mRawAxes.toolMinor.valid
+ ? avg(in.toolMajor, in.toolMinor)
+ : in.toolMajor;
+ size = rawSize * mLocked.sizeScale;
+ break;
+ }
+ default:
+ size = 0;
+ break;
+ }
+
+ // Orientation
+ float orientation;
+ switch (mCalibration.orientationCalibration) {
+ case Calibration::ORIENTATION_CALIBRATION_INTERPOLATED:
+ orientation = in.orientation * mLocked.orientationScale;
+ break;
+ default:
+ orientation = 0;
+ }
+
+ // Adjust coords for orientation.
+ switch (mLocked.surfaceOrientation) {
+ case DISPLAY_ORIENTATION_90: {
+ float xTemp = x;
+ x = y;
+ y = mLocked.surfaceWidth - xTemp;
+ orientation -= M_PI_2;
+ if (orientation < - M_PI_2) {
+ orientation += M_PI;
+ }
+ break;
+ }
+ case DISPLAY_ORIENTATION_180: {
+ x = mLocked.surfaceWidth - x;
+ y = mLocked.surfaceHeight - y;
+ orientation = - orientation;
+ break;
+ }
+ case DISPLAY_ORIENTATION_270: {
+ float xTemp = x;
+ x = mLocked.surfaceHeight - y;
+ y = xTemp;
+ orientation += M_PI_2;
+ if (orientation > M_PI_2) {
+ orientation -= M_PI;
+ }
+ break;
+ }
+ }
+
+ // Write output coords.
+ PointerCoords& out = pointerCoords[outIndex];
+ out.x = x;
+ out.y = y;
+ out.pressure = pressure;
+ out.size = size;
+ out.touchMajor = touchMajor;
+ out.touchMinor = touchMinor;
+ out.toolMajor = toolMajor;
+ out.toolMinor = toolMinor;
+ out.orientation = orientation;
+
+ pointerIds[outIndex] = int32_t(id);
+
+ if (id == changedId) {
+ motionEventAction |= outIndex << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
+ }
+ }
+
+ // Check edge flags by looking only at the first pointer since the flags are
+ // global to the event.
+ if (motionEventAction == AMOTION_EVENT_ACTION_DOWN) {
+ if (pointerCoords[0].x <= 0) {
+ motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_LEFT;
+ } else if (pointerCoords[0].x >= mLocked.orientedSurfaceWidth) {
+ motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_RIGHT;
+ }
+ if (pointerCoords[0].y <= 0) {
+ motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_TOP;
+ } else if (pointerCoords[0].y >= mLocked.orientedSurfaceHeight) {
+ motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_BOTTOM;
+ }
+ }
+
+ xPrecision = mLocked.orientedXPrecision;
+ yPrecision = mLocked.orientedYPrecision;
+ } // release lock
+
+ getDispatcher()->notifyMotion(when, getDeviceId(), mSources, policyFlags,
+ motionEventAction, 0, getContext()->getGlobalMetaState(), motionEventEdgeFlags,
+ pointerCount, pointerIds, pointerCoords,
+ xPrecision, yPrecision, mDownTime);
+}
+
+bool TouchInputMapper::isPointInsideSurfaceLocked(int32_t x, int32_t y) {
+ if (mRawAxes.x.valid && mRawAxes.y.valid) {
+ return x >= mRawAxes.x.minValue && x <= mRawAxes.x.maxValue
+ && y >= mRawAxes.y.minValue && y <= mRawAxes.y.maxValue;
+ }
+ return true;
+}
+
+const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHitLocked(
+ int32_t x, int32_t y) {
+ size_t numVirtualKeys = mLocked.virtualKeys.size();
+ for (size_t i = 0; i < numVirtualKeys; i++) {
+ const VirtualKey& virtualKey = mLocked.virtualKeys[i];
+
+#if DEBUG_VIRTUAL_KEYS
+ LOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
+ "left=%d, top=%d, right=%d, bottom=%d",
+ x, y,
+ virtualKey.keyCode, virtualKey.scanCode,
+ virtualKey.hitLeft, virtualKey.hitTop,
+ virtualKey.hitRight, virtualKey.hitBottom);
+#endif
+
+ if (virtualKey.isHit(x, y)) {
+ return & virtualKey;
+ }
+ }
+
+ return NULL;
+}
+
+void TouchInputMapper::calculatePointerIds() {
+ uint32_t currentPointerCount = mCurrentTouch.pointerCount;
+ uint32_t lastPointerCount = mLastTouch.pointerCount;
+
+ if (currentPointerCount == 0) {
+ // No pointers to assign.
+ mCurrentTouch.idBits.clear();
+ } else if (lastPointerCount == 0) {
+ // All pointers are new.
+ mCurrentTouch.idBits.clear();
+ for (uint32_t i = 0; i < currentPointerCount; i++) {
+ mCurrentTouch.pointers[i].id = i;
+ mCurrentTouch.idToIndex[i] = i;
+ mCurrentTouch.idBits.markBit(i);
+ }
+ } else if (currentPointerCount == 1 && lastPointerCount == 1) {
+ // Only one pointer and no change in count so it must have the same id as before.
+ uint32_t id = mLastTouch.pointers[0].id;
+ mCurrentTouch.pointers[0].id = id;
+ mCurrentTouch.idToIndex[id] = 0;
+ mCurrentTouch.idBits.value = BitSet32::valueForBit(id);
+ } else {
+ // General case.
+ // We build a heap of squared euclidean distances between current and last pointers
+ // associated with the current and last pointer indices. Then, we find the best
+ // match (by distance) for each current pointer.
+ PointerDistanceHeapElement heap[MAX_POINTERS * MAX_POINTERS];
+
+ uint32_t heapSize = 0;
+ for (uint32_t currentPointerIndex = 0; currentPointerIndex < currentPointerCount;
+ currentPointerIndex++) {
+ for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount;
+ lastPointerIndex++) {
+ int64_t deltaX = mCurrentTouch.pointers[currentPointerIndex].x
+ - mLastTouch.pointers[lastPointerIndex].x;
+ int64_t deltaY = mCurrentTouch.pointers[currentPointerIndex].y
+ - mLastTouch.pointers[lastPointerIndex].y;
+
+ uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
+
+ // Insert new element into the heap (sift up).
+ heap[heapSize].currentPointerIndex = currentPointerIndex;
+ heap[heapSize].lastPointerIndex = lastPointerIndex;
+ heap[heapSize].distance = distance;
+ heapSize += 1;
+ }
+ }
+
+ // Heapify
+ for (uint32_t startIndex = heapSize / 2; startIndex != 0; ) {
+ startIndex -= 1;
+ for (uint32_t parentIndex = startIndex; ;) {
+ uint32_t childIndex = parentIndex * 2 + 1;
+ if (childIndex >= heapSize) {
+ break;
+ }
+
+ if (childIndex + 1 < heapSize
+ && heap[childIndex + 1].distance < heap[childIndex].distance) {
+ childIndex += 1;
+ }
+
+ if (heap[parentIndex].distance <= heap[childIndex].distance) {
+ break;
+ }
+
+ swap(heap[parentIndex], heap[childIndex]);
+ parentIndex = childIndex;
+ }
+ }
+
+#if DEBUG_POINTER_ASSIGNMENT
+ LOGD("calculatePointerIds - initial distance min-heap: size=%d", heapSize);
+ for (size_t i = 0; i < heapSize; i++) {
+ LOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
+ i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
+ heap[i].distance);
+ }
+#endif
+
+ // Pull matches out by increasing order of distance.
+ // To avoid reassigning pointers that have already been matched, the loop keeps track
+ // of which last and current pointers have been matched using the matchedXXXBits variables.
+ // It also tracks the used pointer id bits.
+ BitSet32 matchedLastBits(0);
+ BitSet32 matchedCurrentBits(0);
+ BitSet32 usedIdBits(0);
+ bool first = true;
+ for (uint32_t i = min(currentPointerCount, lastPointerCount); i > 0; i--) {
+ for (;;) {
+ if (first) {
+ // The first time through the loop, we just consume the root element of
+ // the heap (the one with smallest distance).
+ first = false;
+ } else {
+ // Previous iterations consumed the root element of the heap.
+ // Pop root element off of the heap (sift down).
+ heapSize -= 1;
+ assert(heapSize > 0);
+
+ // Sift down.
+ heap[0] = heap[heapSize];
+ for (uint32_t parentIndex = 0; ;) {
+ uint32_t childIndex = parentIndex * 2 + 1;
+ if (childIndex >= heapSize) {
+ break;
+ }
+
+ if (childIndex + 1 < heapSize
+ && heap[childIndex + 1].distance < heap[childIndex].distance) {
+ childIndex += 1;
+ }
+
+ if (heap[parentIndex].distance <= heap[childIndex].distance) {
+ break;
+ }
+
+ swap(heap[parentIndex], heap[childIndex]);
+ parentIndex = childIndex;
+ }
+
+#if DEBUG_POINTER_ASSIGNMENT
+ LOGD("calculatePointerIds - reduced distance min-heap: size=%d", heapSize);
+ for (size_t i = 0; i < heapSize; i++) {
+ LOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
+ i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
+ heap[i].distance);
+ }
+#endif
+ }
+
+ uint32_t currentPointerIndex = heap[0].currentPointerIndex;
+ if (matchedCurrentBits.hasBit(currentPointerIndex)) continue; // already matched
+
+ uint32_t lastPointerIndex = heap[0].lastPointerIndex;
+ if (matchedLastBits.hasBit(lastPointerIndex)) continue; // already matched
+
+ matchedCurrentBits.markBit(currentPointerIndex);
+ matchedLastBits.markBit(lastPointerIndex);
+
+ uint32_t id = mLastTouch.pointers[lastPointerIndex].id;
+ mCurrentTouch.pointers[currentPointerIndex].id = id;
+ mCurrentTouch.idToIndex[id] = currentPointerIndex;
+ usedIdBits.markBit(id);
+
+#if DEBUG_POINTER_ASSIGNMENT
+ LOGD("calculatePointerIds - matched: cur=%d, last=%d, id=%d, distance=%lld",
+ lastPointerIndex, currentPointerIndex, id, heap[0].distance);
+#endif
+ break;
+ }
+ }
+
+ // Assign fresh ids to new pointers.
+ if (currentPointerCount > lastPointerCount) {
+ for (uint32_t i = currentPointerCount - lastPointerCount; ;) {
+ uint32_t currentPointerIndex = matchedCurrentBits.firstUnmarkedBit();
+ uint32_t id = usedIdBits.firstUnmarkedBit();
+
+ mCurrentTouch.pointers[currentPointerIndex].id = id;
+ mCurrentTouch.idToIndex[id] = currentPointerIndex;
+ usedIdBits.markBit(id);
+
+#if DEBUG_POINTER_ASSIGNMENT
+ LOGD("calculatePointerIds - assigned: cur=%d, id=%d",
+ currentPointerIndex, id);
+#endif
+
+ if (--i == 0) break; // done
+ matchedCurrentBits.markBit(currentPointerIndex);
+ }
+ }
+
+ // Fix id bits.
+ mCurrentTouch.idBits = usedIdBits;
+ }
+}
+
+/* Special hack for devices that have bad screen data: if one of the
+ * points has moved more than a screen height from the last position,
+ * then drop it. */
+bool TouchInputMapper::applyBadTouchFilter() {
+ // This hack requires valid axis parameters.
+ if (! mRawAxes.y.valid) {
+ return false;
+ }
+
+ uint32_t pointerCount = mCurrentTouch.pointerCount;
+
+ // Nothing to do if there are no points.
+ if (pointerCount == 0) {
+ return false;
+ }
+
+ // Don't do anything if a finger is going down or up. We run
+ // here before assigning pointer IDs, so there isn't a good
+ // way to do per-finger matching.
+ if (pointerCount != mLastTouch.pointerCount) {
+ return false;
+ }
+
+ // We consider a single movement across more than a 7/16 of
+ // the long size of the screen to be bad. This was a magic value
+ // determined by looking at the maximum distance it is feasible
+ // to actually move in one sample.
+ int32_t maxDeltaY = mRawAxes.y.getRange() * 7 / 16;
+
+ // XXX The original code in InputDevice.java included commented out
+ // code for testing the X axis. Note that when we drop a point
+ // we don't actually restore the old X either. Strange.
+ // The old code also tries to track when bad points were previously
+ // detected but it turns out that due to the placement of a "break"
+ // at the end of the loop, we never set mDroppedBadPoint to true
+ // so it is effectively dead code.
+ // Need to figure out if the old code is busted or just overcomplicated
+ // but working as intended.
+
+ // Look through all new points and see if any are farther than
+ // acceptable from all previous points.
+ for (uint32_t i = pointerCount; i-- > 0; ) {
+ int32_t y = mCurrentTouch.pointers[i].y;
+ int32_t closestY = INT_MAX;
+ int32_t closestDeltaY = 0;
+
+#if DEBUG_HACKS
+ LOGD("BadTouchFilter: Looking at next point #%d: y=%d", i, y);
+#endif
+
+ for (uint32_t j = pointerCount; j-- > 0; ) {
+ int32_t lastY = mLastTouch.pointers[j].y;
+ int32_t deltaY = abs(y - lastY);
+
+#if DEBUG_HACKS
+ LOGD("BadTouchFilter: Comparing with last point #%d: y=%d deltaY=%d",
+ j, lastY, deltaY);
+#endif
+
+ if (deltaY < maxDeltaY) {
+ goto SkipSufficientlyClosePoint;
+ }
+ if (deltaY < closestDeltaY) {
+ closestDeltaY = deltaY;
+ closestY = lastY;
+ }
+ }
+
+ // Must not have found a close enough match.
+#if DEBUG_HACKS
+ LOGD("BadTouchFilter: Dropping bad point #%d: newY=%d oldY=%d deltaY=%d maxDeltaY=%d",
+ i, y, closestY, closestDeltaY, maxDeltaY);
+#endif
+
+ mCurrentTouch.pointers[i].y = closestY;
+ return true; // XXX original code only corrects one point
+
+ SkipSufficientlyClosePoint: ;
+ }
+
+ // No change.
+ return false;
+}
+
+/* Special hack for devices that have bad screen data: drop points where
+ * the coordinate value for one axis has jumped to the other pointer's location.
+ */
+bool TouchInputMapper::applyJumpyTouchFilter() {
+ // This hack requires valid axis parameters.
+ if (! mRawAxes.y.valid) {
+ return false;
+ }
+
+ uint32_t pointerCount = mCurrentTouch.pointerCount;
+ if (mLastTouch.pointerCount != pointerCount) {
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Different pointer count %d -> %d",
+ mLastTouch.pointerCount, pointerCount);
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ LOGD(" Pointer %d (%d, %d)", i,
+ mCurrentTouch.pointers[i].x, mCurrentTouch.pointers[i].y);
+ }
+#endif
+
+ if (mJumpyTouchFilter.jumpyPointsDropped < JUMPY_TRANSITION_DROPS) {
+ if (mLastTouch.pointerCount == 1 && pointerCount == 2) {
+ // Just drop the first few events going from 1 to 2 pointers.
+ // They're bad often enough that they're not worth considering.
+ mCurrentTouch.pointerCount = 1;
+ mJumpyTouchFilter.jumpyPointsDropped += 1;
+
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Pointer 2 dropped");
+#endif
+ return true;
+ } else if (mLastTouch.pointerCount == 2 && pointerCount == 1) {
+ // The event when we go from 2 -> 1 tends to be messed up too
+ mCurrentTouch.pointerCount = 2;
+ mCurrentTouch.pointers[0] = mLastTouch.pointers[0];
+ mCurrentTouch.pointers[1] = mLastTouch.pointers[1];
+ mJumpyTouchFilter.jumpyPointsDropped += 1;
+
+#if DEBUG_HACKS
+ for (int32_t i = 0; i < 2; i++) {
+ LOGD("JumpyTouchFilter: Pointer %d replaced (%d, %d)", i,
+ mCurrentTouch.pointers[i].x, mCurrentTouch.pointers[i].y);
+ }
+#endif
+ return true;
+ }
+ }
+ // Reset jumpy points dropped on other transitions or if limit exceeded.
+ mJumpyTouchFilter.jumpyPointsDropped = 0;
+
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Transition - drop limit reset");
+#endif
+ return false;
+ }
+
+ // We have the same number of pointers as last time.
+ // A 'jumpy' point is one where the coordinate value for one axis
+ // has jumped to the other pointer's location. No need to do anything
+ // else if we only have one pointer.
+ if (pointerCount < 2) {
+ return false;
+ }
+
+ if (mJumpyTouchFilter.jumpyPointsDropped < JUMPY_DROP_LIMIT) {
+ int jumpyEpsilon = mRawAxes.y.getRange() / JUMPY_EPSILON_DIVISOR;
+
+ // We only replace the single worst jumpy point as characterized by pointer distance
+ // in a single axis.
+ int32_t badPointerIndex = -1;
+ int32_t badPointerReplacementIndex = -1;
+ int32_t badPointerDistance = INT_MIN; // distance to be corrected
+
+ for (uint32_t i = pointerCount; i-- > 0; ) {
+ int32_t x = mCurrentTouch.pointers[i].x;
+ int32_t y = mCurrentTouch.pointers[i].y;
+
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Point %d (%d, %d)", i, x, y);
+#endif
+
+ // Check if a touch point is too close to another's coordinates
+ bool dropX = false, dropY = false;
+ for (uint32_t j = 0; j < pointerCount; j++) {
+ if (i == j) {
+ continue;
+ }
+
+ if (abs(x - mCurrentTouch.pointers[j].x) <= jumpyEpsilon) {
+ dropX = true;
+ break;
+ }
+
+ if (abs(y - mCurrentTouch.pointers[j].y) <= jumpyEpsilon) {
+ dropY = true;
+ break;
+ }
+ }
+ if (! dropX && ! dropY) {
+ continue; // not jumpy
+ }
+
+ // Find a replacement candidate by comparing with older points on the
+ // complementary (non-jumpy) axis.
+ int32_t distance = INT_MIN; // distance to be corrected
+ int32_t replacementIndex = -1;
+
+ if (dropX) {
+ // X looks too close. Find an older replacement point with a close Y.
+ int32_t smallestDeltaY = INT_MAX;
+ for (uint32_t j = 0; j < pointerCount; j++) {
+ int32_t deltaY = abs(y - mLastTouch.pointers[j].y);
+ if (deltaY < smallestDeltaY) {
+ smallestDeltaY = deltaY;
+ replacementIndex = j;
+ }
+ }
+ distance = abs(x - mLastTouch.pointers[replacementIndex].x);
+ } else {
+ // Y looks too close. Find an older replacement point with a close X.
+ int32_t smallestDeltaX = INT_MAX;
+ for (uint32_t j = 0; j < pointerCount; j++) {
+ int32_t deltaX = abs(x - mLastTouch.pointers[j].x);
+ if (deltaX < smallestDeltaX) {
+ smallestDeltaX = deltaX;
+ replacementIndex = j;
+ }
+ }
+ distance = abs(y - mLastTouch.pointers[replacementIndex].y);
+ }
+
+ // If replacing this pointer would correct a worse error than the previous ones
+ // considered, then use this replacement instead.
+ if (distance > badPointerDistance) {
+ badPointerIndex = i;
+ badPointerReplacementIndex = replacementIndex;
+ badPointerDistance = distance;
+ }
+ }
+
+ // Correct the jumpy pointer if one was found.
+ if (badPointerIndex >= 0) {
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Replacing bad pointer %d with (%d, %d)",
+ badPointerIndex,
+ mLastTouch.pointers[badPointerReplacementIndex].x,
+ mLastTouch.pointers[badPointerReplacementIndex].y);
+#endif
+
+ mCurrentTouch.pointers[badPointerIndex].x =
+ mLastTouch.pointers[badPointerReplacementIndex].x;
+ mCurrentTouch.pointers[badPointerIndex].y =
+ mLastTouch.pointers[badPointerReplacementIndex].y;
+ mJumpyTouchFilter.jumpyPointsDropped += 1;
+ return true;
+ }
+ }
+
+ mJumpyTouchFilter.jumpyPointsDropped = 0;
+ return false;
+}
+
+/* Special hack for devices that have bad screen data: aggregate and
+ * compute averages of the coordinate data, to reduce the amount of
+ * jitter seen by applications. */
+void TouchInputMapper::applyAveragingTouchFilter() {
+ for (uint32_t currentIndex = 0; currentIndex < mCurrentTouch.pointerCount; currentIndex++) {
+ uint32_t id = mCurrentTouch.pointers[currentIndex].id;
+ int32_t x = mCurrentTouch.pointers[currentIndex].x;
+ int32_t y = mCurrentTouch.pointers[currentIndex].y;
+ int32_t pressure;
+ switch (mCalibration.pressureSource) {
+ case Calibration::PRESSURE_SOURCE_PRESSURE:
+ pressure = mCurrentTouch.pointers[currentIndex].pressure;
+ break;
+ case Calibration::PRESSURE_SOURCE_TOUCH:
+ pressure = mCurrentTouch.pointers[currentIndex].touchMajor;
+ break;
+ default:
+ pressure = 1;
+ break;
+ }
+
+ if (mLastTouch.idBits.hasBit(id)) {
+ // Pointer was down before and is still down now.
+ // Compute average over history trace.
+ uint32_t start = mAveragingTouchFilter.historyStart[id];
+ uint32_t end = mAveragingTouchFilter.historyEnd[id];
+
+ int64_t deltaX = x - mAveragingTouchFilter.historyData[end].pointers[id].x;
+ int64_t deltaY = y - mAveragingTouchFilter.historyData[end].pointers[id].y;
+ uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
+
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - Distance from last sample: %lld",
+ id, distance);
+#endif
+
+ if (distance < AVERAGING_DISTANCE_LIMIT) {
+ // Increment end index in preparation for recording new historical data.
+ end += 1;
+ if (end > AVERAGING_HISTORY_SIZE) {
+ end = 0;
+ }
+
+ // If the end index has looped back to the start index then we have filled
+ // the historical trace up to the desired size so we drop the historical
+ // data at the start of the trace.
+ if (end == start) {
+ start += 1;
+ if (start > AVERAGING_HISTORY_SIZE) {
+ start = 0;
+ }
+ }
+
+ // Add the raw data to the historical trace.
+ mAveragingTouchFilter.historyStart[id] = start;
+ mAveragingTouchFilter.historyEnd[id] = end;
+ mAveragingTouchFilter.historyData[end].pointers[id].x = x;
+ mAveragingTouchFilter.historyData[end].pointers[id].y = y;
+ mAveragingTouchFilter.historyData[end].pointers[id].pressure = pressure;
+
+ // Average over all historical positions in the trace by total pressure.
+ int32_t averagedX = 0;
+ int32_t averagedY = 0;
+ int32_t totalPressure = 0;
+ for (;;) {
+ int32_t historicalX = mAveragingTouchFilter.historyData[start].pointers[id].x;
+ int32_t historicalY = mAveragingTouchFilter.historyData[start].pointers[id].y;
+ int32_t historicalPressure = mAveragingTouchFilter.historyData[start]
+ .pointers[id].pressure;
+
+ averagedX += historicalX * historicalPressure;
+ averagedY += historicalY * historicalPressure;
+ totalPressure += historicalPressure;
+
+ if (start == end) {
+ break;
+ }
+
+ start += 1;
+ if (start > AVERAGING_HISTORY_SIZE) {
+ start = 0;
+ }
+ }
+
+ if (totalPressure != 0) {
+ averagedX /= totalPressure;
+ averagedY /= totalPressure;
+
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - "
+ "totalPressure=%d, averagedX=%d, averagedY=%d", id, totalPressure,
+ averagedX, averagedY);
+#endif
+
+ mCurrentTouch.pointers[currentIndex].x = averagedX;
+ mCurrentTouch.pointers[currentIndex].y = averagedY;
+ }
+ } else {
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - Exceeded max distance", id);
+#endif
+ }
+ } else {
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - Pointer went up", id);
+#endif
+ }
+
+ // Reset pointer history.
+ mAveragingTouchFilter.historyStart[id] = 0;
+ mAveragingTouchFilter.historyEnd[id] = 0;
+ mAveragingTouchFilter.historyData[0].pointers[id].x = x;
+ mAveragingTouchFilter.historyData[0].pointers[id].y = y;
+ mAveragingTouchFilter.historyData[0].pointers[id].pressure = pressure;
+ }
+}
+
+int32_t TouchInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (mLocked.currentVirtualKey.down && mLocked.currentVirtualKey.keyCode == keyCode) {
+ return AKEY_STATE_VIRTUAL;
+ }
+
+ size_t numVirtualKeys = mLocked.virtualKeys.size();
+ for (size_t i = 0; i < numVirtualKeys; i++) {
+ const VirtualKey& virtualKey = mLocked.virtualKeys[i];
+ if (virtualKey.keyCode == keyCode) {
+ return AKEY_STATE_UP;
+ }
+ }
+ } // release lock
+
+ return AKEY_STATE_UNKNOWN;
+}
+
+int32_t TouchInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (mLocked.currentVirtualKey.down && mLocked.currentVirtualKey.scanCode == scanCode) {
+ return AKEY_STATE_VIRTUAL;
+ }
+
+ size_t numVirtualKeys = mLocked.virtualKeys.size();
+ for (size_t i = 0; i < numVirtualKeys; i++) {
+ const VirtualKey& virtualKey = mLocked.virtualKeys[i];
+ if (virtualKey.scanCode == scanCode) {
+ return AKEY_STATE_UP;
+ }
+ }
+ } // release lock
+
+ return AKEY_STATE_UNKNOWN;
+}
+
+bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) {
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ size_t numVirtualKeys = mLocked.virtualKeys.size();
+ for (size_t i = 0; i < numVirtualKeys; i++) {
+ const VirtualKey& virtualKey = mLocked.virtualKeys[i];
+
+ for (size_t i = 0; i < numCodes; i++) {
+ if (virtualKey.keyCode == keyCodes[i]) {
+ outFlags[i] = 1;
+ }
+ }
+ }
+ } // release lock
+
+ return true;
+}
+
+
+// --- SingleTouchInputMapper ---
+
+SingleTouchInputMapper::SingleTouchInputMapper(InputDevice* device) :
+ TouchInputMapper(device) {
+ initialize();
+}
+
+SingleTouchInputMapper::~SingleTouchInputMapper() {
+}
+
+void SingleTouchInputMapper::initialize() {
+ mAccumulator.clear();
+
+ mDown = false;
+ mX = 0;
+ mY = 0;
+ mPressure = 0; // default to 0 for devices that don't report pressure
+ mToolWidth = 0; // default to 0 for devices that don't report tool width
+}
+
+void SingleTouchInputMapper::reset() {
+ TouchInputMapper::reset();
+
+ initialize();
+ }
+
+void SingleTouchInputMapper::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EV_KEY:
+ switch (rawEvent->scanCode) {
+ case BTN_TOUCH:
+ mAccumulator.fields |= Accumulator::FIELD_BTN_TOUCH;
+ mAccumulator.btnTouch = rawEvent->value != 0;
+ // Don't sync immediately. Wait until the next SYN_REPORT since we might
+ // not have received valid position information yet. This logic assumes that
+ // BTN_TOUCH is always followed by SYN_REPORT as part of a complete packet.
+ break;
+ }
+ break;
+
+ case EV_ABS:
+ switch (rawEvent->scanCode) {
+ case ABS_X:
+ mAccumulator.fields |= Accumulator::FIELD_ABS_X;
+ mAccumulator.absX = rawEvent->value;
+ break;
+ case ABS_Y:
+ mAccumulator.fields |= Accumulator::FIELD_ABS_Y;
+ mAccumulator.absY = rawEvent->value;
+ break;
+ case ABS_PRESSURE:
+ mAccumulator.fields |= Accumulator::FIELD_ABS_PRESSURE;
+ mAccumulator.absPressure = rawEvent->value;
+ break;
+ case ABS_TOOL_WIDTH:
+ mAccumulator.fields |= Accumulator::FIELD_ABS_TOOL_WIDTH;
+ mAccumulator.absToolWidth = rawEvent->value;
+ break;
+ }
+ break;
+
+ case EV_SYN:
+ switch (rawEvent->scanCode) {
+ case SYN_REPORT:
+ sync(rawEvent->when);
+ break;
+ }
+ break;
+ }
+}
+
+void SingleTouchInputMapper::sync(nsecs_t when) {
+ uint32_t fields = mAccumulator.fields;
+ if (fields == 0) {
+ return; // no new state changes, so nothing to do
+ }
+
+ if (fields & Accumulator::FIELD_BTN_TOUCH) {
+ mDown = mAccumulator.btnTouch;
+ }
+
+ if (fields & Accumulator::FIELD_ABS_X) {
+ mX = mAccumulator.absX;
+ }
+
+ if (fields & Accumulator::FIELD_ABS_Y) {
+ mY = mAccumulator.absY;
+ }
+
+ if (fields & Accumulator::FIELD_ABS_PRESSURE) {
+ mPressure = mAccumulator.absPressure;
+ }
+
+ if (fields & Accumulator::FIELD_ABS_TOOL_WIDTH) {
+ mToolWidth = mAccumulator.absToolWidth;
+ }
+
+ mCurrentTouch.clear();
+
+ if (mDown) {
+ mCurrentTouch.pointerCount = 1;
+ mCurrentTouch.pointers[0].id = 0;
+ mCurrentTouch.pointers[0].x = mX;
+ mCurrentTouch.pointers[0].y = mY;
+ mCurrentTouch.pointers[0].pressure = mPressure;
+ mCurrentTouch.pointers[0].touchMajor = 0;
+ mCurrentTouch.pointers[0].touchMinor = 0;
+ mCurrentTouch.pointers[0].toolMajor = mToolWidth;
+ mCurrentTouch.pointers[0].toolMinor = mToolWidth;
+ mCurrentTouch.pointers[0].orientation = 0;
+ mCurrentTouch.idToIndex[0] = 0;
+ mCurrentTouch.idBits.markBit(0);
+ }
+
+ syncTouch(when, true);
+
+ mAccumulator.clear();
+}
+
+void SingleTouchInputMapper::configureRawAxes() {
+ TouchInputMapper::configureRawAxes();
+
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_X, & mRawAxes.x);
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_Y, & mRawAxes.y);
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_PRESSURE, & mRawAxes.pressure);
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_TOOL_WIDTH, & mRawAxes.toolMajor);
+}
+
+
+// --- MultiTouchInputMapper ---
+
+MultiTouchInputMapper::MultiTouchInputMapper(InputDevice* device) :
+ TouchInputMapper(device) {
+ initialize();
+}
+
+MultiTouchInputMapper::~MultiTouchInputMapper() {
+}
+
+void MultiTouchInputMapper::initialize() {
+ mAccumulator.clear();
+}
+
+void MultiTouchInputMapper::reset() {
+ TouchInputMapper::reset();
+
+ initialize();
+}
+
+void MultiTouchInputMapper::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EV_ABS: {
+ uint32_t pointerIndex = mAccumulator.pointerCount;
+ Accumulator::Pointer* pointer = & mAccumulator.pointers[pointerIndex];
+
+ switch (rawEvent->scanCode) {
+ case ABS_MT_POSITION_X:
+ pointer->fields |= Accumulator::FIELD_ABS_MT_POSITION_X;
+ pointer->absMTPositionX = rawEvent->value;
+ break;
+ case ABS_MT_POSITION_Y:
+ pointer->fields |= Accumulator::FIELD_ABS_MT_POSITION_Y;
+ pointer->absMTPositionY = rawEvent->value;
+ break;
+ case ABS_MT_TOUCH_MAJOR:
+ pointer->fields |= Accumulator::FIELD_ABS_MT_TOUCH_MAJOR;
+ pointer->absMTTouchMajor = rawEvent->value;
+ break;
+ case ABS_MT_TOUCH_MINOR:
+ pointer->fields |= Accumulator::FIELD_ABS_MT_TOUCH_MINOR;
+ pointer->absMTTouchMinor = rawEvent->value;
+ break;
+ case ABS_MT_WIDTH_MAJOR:
+ pointer->fields |= Accumulator::FIELD_ABS_MT_WIDTH_MAJOR;
+ pointer->absMTWidthMajor = rawEvent->value;
+ break;
+ case ABS_MT_WIDTH_MINOR:
+ pointer->fields |= Accumulator::FIELD_ABS_MT_WIDTH_MINOR;
+ pointer->absMTWidthMinor = rawEvent->value;
+ break;
+ case ABS_MT_ORIENTATION:
+ pointer->fields |= Accumulator::FIELD_ABS_MT_ORIENTATION;
+ pointer->absMTOrientation = rawEvent->value;
+ break;
+ case ABS_MT_TRACKING_ID:
+ pointer->fields |= Accumulator::FIELD_ABS_MT_TRACKING_ID;
+ pointer->absMTTrackingId = rawEvent->value;
+ break;
+ case ABS_MT_PRESSURE:
+ pointer->fields |= Accumulator::FIELD_ABS_MT_PRESSURE;
+ pointer->absMTPressure = rawEvent->value;
+ break;
+ }
+ break;
+ }
+
+ case EV_SYN:
+ switch (rawEvent->scanCode) {
+ case SYN_MT_REPORT: {
+ // MultiTouch Sync: The driver has returned all data for *one* of the pointers.
+ uint32_t pointerIndex = mAccumulator.pointerCount;
+
+ if (mAccumulator.pointers[pointerIndex].fields) {
+ if (pointerIndex == MAX_POINTERS) {
+ LOGW("MultiTouch device driver returned more than maximum of %d pointers.",
+ MAX_POINTERS);
+ } else {
+ pointerIndex += 1;
+ mAccumulator.pointerCount = pointerIndex;
+ }
+ }
+
+ mAccumulator.pointers[pointerIndex].clear();
+ break;
+ }
+
+ case SYN_REPORT:
+ sync(rawEvent->when);
+ break;
+ }
+ break;
+ }
+}
+
+void MultiTouchInputMapper::sync(nsecs_t when) {
+ static const uint32_t REQUIRED_FIELDS =
+ Accumulator::FIELD_ABS_MT_POSITION_X | Accumulator::FIELD_ABS_MT_POSITION_Y;
+
+ uint32_t inCount = mAccumulator.pointerCount;
+ uint32_t outCount = 0;
+ bool havePointerIds = true;
+
+ mCurrentTouch.clear();
+
+ for (uint32_t inIndex = 0; inIndex < inCount; inIndex++) {
+ const Accumulator::Pointer& inPointer = mAccumulator.pointers[inIndex];
+ uint32_t fields = inPointer.fields;
+
+ if ((fields & REQUIRED_FIELDS) != REQUIRED_FIELDS) {
+ // Some drivers send empty MT sync packets without X / Y to indicate a pointer up.
+ // Drop this finger.
+ continue;
+ }
+
+ PointerData& outPointer = mCurrentTouch.pointers[outCount];
+ outPointer.x = inPointer.absMTPositionX;
+ outPointer.y = inPointer.absMTPositionY;
+
+ if (fields & Accumulator::FIELD_ABS_MT_PRESSURE) {
+ if (inPointer.absMTPressure <= 0) {
+ // Some devices send sync packets with X / Y but with a 0 pressure to indicate
+ // a pointer going up. Drop this finger.
+ continue;
+ }
+ outPointer.pressure = inPointer.absMTPressure;
+ } else {
+ // Default pressure to 0 if absent.
+ outPointer.pressure = 0;
+ }
+
+ if (fields & Accumulator::FIELD_ABS_MT_TOUCH_MAJOR) {
+ if (inPointer.absMTTouchMajor <= 0) {
+ // Some devices send sync packets with X / Y but with a 0 touch major to indicate
+ // a pointer going up. Drop this finger.
+ continue;
+ }
+ outPointer.touchMajor = inPointer.absMTTouchMajor;
+ } else {
+ // Default touch area to 0 if absent.
+ outPointer.touchMajor = 0;
+ }
+
+ if (fields & Accumulator::FIELD_ABS_MT_TOUCH_MINOR) {
+ outPointer.touchMinor = inPointer.absMTTouchMinor;
+ } else {
+ // Assume touch area is circular.
+ outPointer.touchMinor = outPointer.touchMajor;
+ }
+
+ if (fields & Accumulator::FIELD_ABS_MT_WIDTH_MAJOR) {
+ outPointer.toolMajor = inPointer.absMTWidthMajor;
+ } else {
+ // Default tool area to 0 if absent.
+ outPointer.toolMajor = 0;
+ }
+
+ if (fields & Accumulator::FIELD_ABS_MT_WIDTH_MINOR) {
+ outPointer.toolMinor = inPointer.absMTWidthMinor;
+ } else {
+ // Assume tool area is circular.
+ outPointer.toolMinor = outPointer.toolMajor;
+ }
+
+ if (fields & Accumulator::FIELD_ABS_MT_ORIENTATION) {
+ outPointer.orientation = inPointer.absMTOrientation;
+ } else {
+ // Default orientation to vertical if absent.
+ outPointer.orientation = 0;
+ }
+
+ // Assign pointer id using tracking id if available.
+ if (havePointerIds) {
+ if (fields & Accumulator::FIELD_ABS_MT_TRACKING_ID) {
+ uint32_t id = uint32_t(inPointer.absMTTrackingId);
+
+ if (id > MAX_POINTER_ID) {
+#if DEBUG_POINTERS
+ LOGD("Pointers: Ignoring driver provided pointer id %d because "
+ "it is larger than max supported id %d",
+ id, MAX_POINTER_ID);
+#endif
+ havePointerIds = false;
+ }
+ else {
+ outPointer.id = id;
+ mCurrentTouch.idToIndex[id] = outCount;
+ mCurrentTouch.idBits.markBit(id);
+ }
+ } else {
+ havePointerIds = false;
+ }
+ }
+
+ outCount += 1;
+ }
+
+ mCurrentTouch.pointerCount = outCount;
+
+ syncTouch(when, havePointerIds);
+
+ mAccumulator.clear();
+}
+
+void MultiTouchInputMapper::configureRawAxes() {
+ TouchInputMapper::configureRawAxes();
+
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_POSITION_X, & mRawAxes.x);
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_POSITION_Y, & mRawAxes.y);
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_TOUCH_MAJOR, & mRawAxes.touchMajor);
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_TOUCH_MINOR, & mRawAxes.touchMinor);
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_WIDTH_MAJOR, & mRawAxes.toolMajor);
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_WIDTH_MINOR, & mRawAxes.toolMinor);
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_ORIENTATION, & mRawAxes.orientation);
+ getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_PRESSURE, & mRawAxes.pressure);
+}
+
+
+} // namespace android
diff --git a/services/input/InputReader.h b/services/input/InputReader.h
new file mode 100644
index 0000000..8c849c4
--- /dev/null
+++ b/services/input/InputReader.h
@@ -0,0 +1,955 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_READER_H
+#define _UI_INPUT_READER_H
+
+#include "EventHub.h"
+#include "InputDispatcher.h"
+#include "PointerController.h"
+
+#include <ui/Input.h>
+#include <ui/DisplayInfo.h>
+#include <utils/KeyedVector.h>
+#include <utils/threads.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/BitSet.h>
+
+#include <stddef.h>
+#include <unistd.h>
+
+namespace android {
+
+class InputDevice;
+class InputMapper;
+
+
+/*
+ * Input reader policy interface.
+ *
+ * The input reader policy is used by the input reader to interact with the Window Manager
+ * and other system components.
+ *
+ * The actual implementation is partially supported by callbacks into the DVM
+ * via JNI. This interface is also mocked in the unit tests.
+ */
+class InputReaderPolicyInterface : public virtual RefBase {
+protected:
+ InputReaderPolicyInterface() { }
+ virtual ~InputReaderPolicyInterface() { }
+
+public:
+ /* Display orientations. */
+ enum {
+ ROTATION_0 = 0,
+ ROTATION_90 = 1,
+ ROTATION_180 = 2,
+ ROTATION_270 = 3
+ };
+
+ /* Gets information about the display with the specified id.
+ * Returns true if the display info is available, false otherwise.
+ */
+ virtual bool getDisplayInfo(int32_t displayId,
+ int32_t* width, int32_t* height, int32_t* orientation) = 0;
+
+ /* Determines whether to turn on some hacks we have to improve the touch interaction with a
+ * certain device whose screen currently is not all that good.
+ */
+ virtual bool filterTouchEvents() = 0;
+
+ /* Determines whether to turn on some hacks to improve touch interaction with another device
+ * where touch coordinate data can get corrupted.
+ */
+ virtual bool filterJumpyTouchEvents() = 0;
+
+ /* Gets the excluded device names for the platform. */
+ virtual void getExcludedDeviceNames(Vector<String8>& outExcludedDeviceNames) = 0;
+
+ /* Gets a pointer controller associated with the specified cursor device (ie. a mouse). */
+ virtual sp<PointerControllerInterface> obtainPointerController(int32_t deviceId) = 0;
+};
+
+
+/* Processes raw input events and sends cooked event data to an input dispatcher. */
+class InputReaderInterface : public virtual RefBase {
+protected:
+ InputReaderInterface() { }
+ virtual ~InputReaderInterface() { }
+
+public:
+ /* Dumps the state of the input reader.
+ *
+ * This method may be called on any thread (usually by the input manager). */
+ virtual void dump(String8& dump) = 0;
+
+ /* Runs a single iteration of the processing loop.
+ * Nominally reads and processes one incoming message from the EventHub.
+ *
+ * This method should be called on the input reader thread.
+ */
+ virtual void loopOnce() = 0;
+
+ /* Gets the current input device configuration.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual void getInputConfiguration(InputConfiguration* outConfiguration) = 0;
+
+ /* Gets information about the specified input device.
+ * Returns OK if the device information was obtained or NAME_NOT_FOUND if there
+ * was no such device.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual status_t getInputDeviceInfo(int32_t deviceId, InputDeviceInfo* outDeviceInfo) = 0;
+
+ /* Gets the list of all registered device ids. */
+ virtual void getInputDeviceIds(Vector<int32_t>& outDeviceIds) = 0;
+
+ /* Query current input state. */
+ virtual int32_t getScanCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t scanCode) = 0;
+ virtual int32_t getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t keyCode) = 0;
+ virtual int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask,
+ int32_t sw) = 0;
+
+ /* Determine whether physical keys exist for the given framework-domain key codes. */
+ virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask,
+ size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) = 0;
+};
+
+
+/* Internal interface used by individual input devices to access global input device state
+ * and parameters maintained by the input reader.
+ */
+class InputReaderContext {
+public:
+ InputReaderContext() { }
+ virtual ~InputReaderContext() { }
+
+ virtual void updateGlobalMetaState() = 0;
+ virtual int32_t getGlobalMetaState() = 0;
+
+ virtual InputReaderPolicyInterface* getPolicy() = 0;
+ virtual InputDispatcherInterface* getDispatcher() = 0;
+ virtual EventHubInterface* getEventHub() = 0;
+};
+
+
+/* The input reader reads raw event data from the event hub and processes it into input events
+ * that it sends to the input dispatcher. Some functions of the input reader, such as early
+ * event filtering in low power states, are controlled by a separate policy object.
+ *
+ * IMPORTANT INVARIANT:
+ * Because the policy and dispatcher can potentially block or cause re-entrance into
+ * the input reader, the input reader never calls into other components while holding
+ * an exclusive internal lock whenever re-entrance can happen.
+ */
+class InputReader : public InputReaderInterface, protected InputReaderContext {
+public:
+ InputReader(const sp<EventHubInterface>& eventHub,
+ const sp<InputReaderPolicyInterface>& policy,
+ const sp<InputDispatcherInterface>& dispatcher);
+ virtual ~InputReader();
+
+ virtual void dump(String8& dump);
+
+ virtual void loopOnce();
+
+ virtual void getInputConfiguration(InputConfiguration* outConfiguration);
+
+ virtual status_t getInputDeviceInfo(int32_t deviceId, InputDeviceInfo* outDeviceInfo);
+ virtual void getInputDeviceIds(Vector<int32_t>& outDeviceIds);
+
+ virtual int32_t getScanCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t scanCode);
+ virtual int32_t getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
+ int32_t keyCode);
+ virtual int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask,
+ int32_t sw);
+
+ virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask,
+ size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags);
+
+protected:
+ // These methods are protected virtual so they can be overridden and instrumented
+ // by test cases.
+ virtual InputDevice* createDevice(int32_t deviceId, const String8& name, uint32_t classes);
+
+private:
+ sp<EventHubInterface> mEventHub;
+ sp<InputReaderPolicyInterface> mPolicy;
+ sp<InputDispatcherInterface> mDispatcher;
+
+ virtual InputReaderPolicyInterface* getPolicy() { return mPolicy.get(); }
+ virtual InputDispatcherInterface* getDispatcher() { return mDispatcher.get(); }
+ virtual EventHubInterface* getEventHub() { return mEventHub.get(); }
+
+ // This reader/writer lock guards the list of input devices.
+ // The writer lock must be held whenever the list of input devices is modified
+ // and then promptly released.
+ // The reader lock must be held whenever the list of input devices is traversed or an
+ // input device in the list is accessed.
+ // This lock only protects the registry and prevents inadvertent deletion of device objects
+ // that are in use. Individual devices are responsible for guarding their own internal state
+ // as needed for concurrent operation.
+ RWLock mDeviceRegistryLock;
+ KeyedVector<int32_t, InputDevice*> mDevices;
+
+ // low-level input event decoding and device management
+ void process(const RawEvent* rawEvent);
+
+ void addDevice(int32_t deviceId);
+ void removeDevice(int32_t deviceId);
+ void configureExcludedDevices();
+
+ void consumeEvent(const RawEvent* rawEvent);
+
+ void handleConfigurationChanged(nsecs_t when);
+
+ // state management for all devices
+ Mutex mStateLock;
+
+ int32_t mGlobalMetaState;
+ virtual void updateGlobalMetaState();
+ virtual int32_t getGlobalMetaState();
+
+ InputConfiguration mInputConfiguration;
+ void updateInputConfiguration();
+
+ // state queries
+ typedef int32_t (InputDevice::*GetStateFunc)(uint32_t sourceMask, int32_t code);
+ int32_t getState(int32_t deviceId, uint32_t sourceMask, int32_t code,
+ GetStateFunc getStateFunc);
+ bool markSupportedKeyCodes(int32_t deviceId, uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags);
+};
+
+
+/* Reads raw events from the event hub and processes them, endlessly. */
+class InputReaderThread : public Thread {
+public:
+ InputReaderThread(const sp<InputReaderInterface>& reader);
+ virtual ~InputReaderThread();
+
+private:
+ sp<InputReaderInterface> mReader;
+
+ virtual bool threadLoop();
+};
+
+
+/* Represents the state of a single input device. */
+class InputDevice {
+public:
+ InputDevice(InputReaderContext* context, int32_t id, const String8& name);
+ ~InputDevice();
+
+ inline InputReaderContext* getContext() { return mContext; }
+ inline int32_t getId() { return mId; }
+ inline const String8& getName() { return mName; }
+ inline uint32_t getSources() { return mSources; }
+
+ inline bool isIgnored() { return mMappers.isEmpty(); }
+
+ void dump(String8& dump);
+ void addMapper(InputMapper* mapper);
+ void configure();
+ void reset();
+ void process(const RawEvent* rawEvent);
+
+ void getDeviceInfo(InputDeviceInfo* outDeviceInfo);
+ int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
+ int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
+ int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
+ bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags);
+
+ int32_t getMetaState();
+
+ inline const PropertyMap& getConfiguration() {
+ return mConfiguration;
+ }
+
+private:
+ InputReaderContext* mContext;
+ int32_t mId;
+
+ Vector<InputMapper*> mMappers;
+
+ String8 mName;
+ uint32_t mSources;
+
+ typedef int32_t (InputMapper::*GetStateFunc)(uint32_t sourceMask, int32_t code);
+ int32_t getState(uint32_t sourceMask, int32_t code, GetStateFunc getStateFunc);
+
+ PropertyMap mConfiguration;
+};
+
+
+/* An input mapper transforms raw input events into cooked event data.
+ * A single input device can have multiple associated input mappers in order to interpret
+ * different classes of events.
+ */
+class InputMapper {
+public:
+ InputMapper(InputDevice* device);
+ virtual ~InputMapper();
+
+ inline InputDevice* getDevice() { return mDevice; }
+ inline int32_t getDeviceId() { return mDevice->getId(); }
+ inline const String8 getDeviceName() { return mDevice->getName(); }
+ inline InputReaderContext* getContext() { return mContext; }
+ inline InputReaderPolicyInterface* getPolicy() { return mContext->getPolicy(); }
+ inline InputDispatcherInterface* getDispatcher() { return mContext->getDispatcher(); }
+ inline EventHubInterface* getEventHub() { return mContext->getEventHub(); }
+
+ virtual uint32_t getSources() = 0;
+ virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
+ virtual void dump(String8& dump);
+ virtual void configure();
+ virtual void reset();
+ virtual void process(const RawEvent* rawEvent) = 0;
+
+ virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
+ virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
+ virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
+ virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags);
+
+ virtual int32_t getMetaState();
+
+protected:
+ InputDevice* mDevice;
+ InputReaderContext* mContext;
+};
+
+
+class SwitchInputMapper : public InputMapper {
+public:
+ SwitchInputMapper(InputDevice* device);
+ virtual ~SwitchInputMapper();
+
+ virtual uint32_t getSources();
+ virtual void process(const RawEvent* rawEvent);
+
+ virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
+
+private:
+ void processSwitch(nsecs_t when, int32_t switchCode, int32_t switchValue);
+};
+
+
+class KeyboardInputMapper : public InputMapper {
+public:
+ KeyboardInputMapper(InputDevice* device, uint32_t sources, int32_t keyboardType);
+ virtual ~KeyboardInputMapper();
+
+ virtual uint32_t getSources();
+ virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
+ virtual void dump(String8& dump);
+ virtual void configure();
+ virtual void reset();
+ virtual void process(const RawEvent* rawEvent);
+
+ virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
+ virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
+ virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags);
+
+ virtual int32_t getMetaState();
+
+private:
+ Mutex mLock;
+
+ struct KeyDown {
+ int32_t keyCode;
+ int32_t scanCode;
+ };
+
+ uint32_t mSources;
+ int32_t mKeyboardType;
+
+ // Immutable configuration parameters.
+ struct Parameters {
+ int32_t associatedDisplayId;
+ bool orientationAware;
+ } mParameters;
+
+ struct LockedState {
+ Vector<KeyDown> keyDowns; // keys that are down
+ int32_t metaState;
+ nsecs_t downTime; // time of most recent key down
+
+ struct LedState {
+ bool avail; // led is available
+ bool on; // we think the led is currently on
+ };
+ LedState capsLockLedState;
+ LedState numLockLedState;
+ LedState scrollLockLedState;
+ } mLocked;
+
+ void initializeLocked();
+
+ void configureParameters();
+ void dumpParameters(String8& dump);
+
+ bool isKeyboardOrGamepadKey(int32_t scanCode);
+
+ void processKey(nsecs_t when, bool down, int32_t keyCode, int32_t scanCode,
+ uint32_t policyFlags);
+
+ ssize_t findKeyDownLocked(int32_t scanCode);
+
+ void resetLedStateLocked();
+ void initializeLedStateLocked(LockedState::LedState& ledState, int32_t led);
+ void updateLedStateLocked(bool reset);
+ void updateLedStateForModifierLocked(LockedState::LedState& ledState, int32_t led,
+ int32_t modifier, bool reset);
+};
+
+
+class CursorInputMapper : public InputMapper {
+public:
+ CursorInputMapper(InputDevice* device);
+ virtual ~CursorInputMapper();
+
+ virtual uint32_t getSources();
+ virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
+ virtual void dump(String8& dump);
+ virtual void configure();
+ virtual void reset();
+ virtual void process(const RawEvent* rawEvent);
+
+ virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
+
+private:
+ // Amount that trackball needs to move in order to generate a key event.
+ static const int32_t TRACKBALL_MOVEMENT_THRESHOLD = 6;
+
+ Mutex mLock;
+
+ // Immutable configuration parameters.
+ struct Parameters {
+ enum Mode {
+ MODE_POINTER,
+ MODE_NAVIGATION,
+ };
+
+ Mode mode;
+ int32_t associatedDisplayId;
+ bool orientationAware;
+ } mParameters;
+
+ struct Accumulator {
+ enum {
+ FIELD_BTN_MOUSE = 1,
+ FIELD_REL_X = 2,
+ FIELD_REL_Y = 4
+ };
+
+ uint32_t fields;
+
+ bool btnMouse;
+ int32_t relX;
+ int32_t relY;
+
+ inline void clear() {
+ fields = 0;
+ }
+ } mAccumulator;
+
+ int32_t mSources;
+ float mXScale;
+ float mYScale;
+ float mXPrecision;
+ float mYPrecision;
+ sp<PointerControllerInterface> mPointerController;
+
+ struct LockedState {
+ bool down;
+ nsecs_t downTime;
+ } mLocked;
+
+ void initializeLocked();
+
+ void configureParameters();
+ void dumpParameters(String8& dump);
+
+ void sync(nsecs_t when);
+};
+
+
+class TouchInputMapper : public InputMapper {
+public:
+ TouchInputMapper(InputDevice* device);
+ virtual ~TouchInputMapper();
+
+ virtual uint32_t getSources();
+ virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
+ virtual void dump(String8& dump);
+ virtual void configure();
+ virtual void reset();
+
+ virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
+ virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
+ virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags);
+
+protected:
+ Mutex mLock;
+
+ struct VirtualKey {
+ int32_t keyCode;
+ int32_t scanCode;
+ uint32_t flags;
+
+ // computed hit box, specified in touch screen coords based on known display size
+ int32_t hitLeft;
+ int32_t hitTop;
+ int32_t hitRight;
+ int32_t hitBottom;
+
+ inline bool isHit(int32_t x, int32_t y) const {
+ return x >= hitLeft && x <= hitRight && y >= hitTop && y <= hitBottom;
+ }
+ };
+
+ // Raw data for a single pointer.
+ struct PointerData {
+ uint32_t id;
+ int32_t x;
+ int32_t y;
+ int32_t pressure;
+ int32_t touchMajor;
+ int32_t touchMinor;
+ int32_t toolMajor;
+ int32_t toolMinor;
+ int32_t orientation;
+
+ inline bool operator== (const PointerData& other) const {
+ return id == other.id
+ && x == other.x
+ && y == other.y
+ && pressure == other.pressure
+ && touchMajor == other.touchMajor
+ && touchMinor == other.touchMinor
+ && toolMajor == other.toolMajor
+ && toolMinor == other.toolMinor
+ && orientation == other.orientation;
+ }
+ inline bool operator!= (const PointerData& other) const {
+ return !(*this == other);
+ }
+ };
+
+ // Raw data for a collection of pointers including a pointer id mapping table.
+ struct TouchData {
+ uint32_t pointerCount;
+ PointerData pointers[MAX_POINTERS];
+ BitSet32 idBits;
+ uint32_t idToIndex[MAX_POINTER_ID + 1];
+
+ void copyFrom(const TouchData& other) {
+ pointerCount = other.pointerCount;
+ idBits = other.idBits;
+
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ pointers[i] = other.pointers[i];
+
+ int id = pointers[i].id;
+ idToIndex[id] = other.idToIndex[id];
+ }
+ }
+
+ inline void clear() {
+ pointerCount = 0;
+ idBits.clear();
+ }
+ };
+
+ // Input sources supported by the device.
+ int32_t mSources;
+
+ // Immutable configuration parameters.
+ struct Parameters {
+ enum DeviceType {
+ DEVICE_TYPE_TOUCH_SCREEN,
+ DEVICE_TYPE_TOUCH_PAD,
+ };
+
+ DeviceType deviceType;
+ int32_t associatedDisplayId;
+ bool orientationAware;
+
+ bool useBadTouchFilter;
+ bool useJumpyTouchFilter;
+ bool useAveragingTouchFilter;
+ } mParameters;
+
+ // Immutable calibration parameters in parsed form.
+ struct Calibration {
+ // Position
+ bool haveXOrigin;
+ int32_t xOrigin;
+ bool haveYOrigin;
+ int32_t yOrigin;
+ bool haveXScale;
+ float xScale;
+ bool haveYScale;
+ float yScale;
+
+ // Touch Size
+ enum TouchSizeCalibration {
+ TOUCH_SIZE_CALIBRATION_DEFAULT,
+ TOUCH_SIZE_CALIBRATION_NONE,
+ TOUCH_SIZE_CALIBRATION_GEOMETRIC,
+ TOUCH_SIZE_CALIBRATION_PRESSURE,
+ };
+
+ TouchSizeCalibration touchSizeCalibration;
+
+ // Tool Size
+ enum ToolSizeCalibration {
+ TOOL_SIZE_CALIBRATION_DEFAULT,
+ TOOL_SIZE_CALIBRATION_NONE,
+ TOOL_SIZE_CALIBRATION_GEOMETRIC,
+ TOOL_SIZE_CALIBRATION_LINEAR,
+ TOOL_SIZE_CALIBRATION_AREA,
+ };
+
+ ToolSizeCalibration toolSizeCalibration;
+ bool haveToolSizeLinearScale;
+ float toolSizeLinearScale;
+ bool haveToolSizeLinearBias;
+ float toolSizeLinearBias;
+ bool haveToolSizeAreaScale;
+ float toolSizeAreaScale;
+ bool haveToolSizeAreaBias;
+ float toolSizeAreaBias;
+ bool haveToolSizeIsSummed;
+ bool toolSizeIsSummed;
+
+ // Pressure
+ enum PressureCalibration {
+ PRESSURE_CALIBRATION_DEFAULT,
+ PRESSURE_CALIBRATION_NONE,
+ PRESSURE_CALIBRATION_PHYSICAL,
+ PRESSURE_CALIBRATION_AMPLITUDE,
+ };
+ enum PressureSource {
+ PRESSURE_SOURCE_DEFAULT,
+ PRESSURE_SOURCE_PRESSURE,
+ PRESSURE_SOURCE_TOUCH,
+ };
+
+ PressureCalibration pressureCalibration;
+ PressureSource pressureSource;
+ bool havePressureScale;
+ float pressureScale;
+
+ // Size
+ enum SizeCalibration {
+ SIZE_CALIBRATION_DEFAULT,
+ SIZE_CALIBRATION_NONE,
+ SIZE_CALIBRATION_NORMALIZED,
+ };
+
+ SizeCalibration sizeCalibration;
+
+ // Orientation
+ enum OrientationCalibration {
+ ORIENTATION_CALIBRATION_DEFAULT,
+ ORIENTATION_CALIBRATION_NONE,
+ ORIENTATION_CALIBRATION_INTERPOLATED,
+ };
+
+ OrientationCalibration orientationCalibration;
+ } mCalibration;
+
+ // Raw axis information from the driver.
+ struct RawAxes {
+ RawAbsoluteAxisInfo x;
+ RawAbsoluteAxisInfo y;
+ RawAbsoluteAxisInfo pressure;
+ RawAbsoluteAxisInfo touchMajor;
+ RawAbsoluteAxisInfo touchMinor;
+ RawAbsoluteAxisInfo toolMajor;
+ RawAbsoluteAxisInfo toolMinor;
+ RawAbsoluteAxisInfo orientation;
+ } mRawAxes;
+
+ // Current and previous touch sample data.
+ TouchData mCurrentTouch;
+ TouchData mLastTouch;
+
+ // The time the primary pointer last went down.
+ nsecs_t mDownTime;
+
+ struct LockedState {
+ Vector<VirtualKey> virtualKeys;
+
+ // The surface orientation and width and height set by configureSurfaceLocked().
+ int32_t surfaceOrientation;
+ int32_t surfaceWidth, surfaceHeight;
+
+ // Translation and scaling factors, orientation-independent.
+ int32_t xOrigin;
+ float xScale;
+ float xPrecision;
+
+ int32_t yOrigin;
+ float yScale;
+ float yPrecision;
+
+ float geometricScale;
+
+ float toolSizeLinearScale;
+ float toolSizeLinearBias;
+ float toolSizeAreaScale;
+ float toolSizeAreaBias;
+
+ float pressureScale;
+
+ float sizeScale;
+
+ float orientationScale;
+
+ // Oriented motion ranges for input device info.
+ struct OrientedRanges {
+ InputDeviceInfo::MotionRange x;
+ InputDeviceInfo::MotionRange y;
+
+ bool havePressure;
+ InputDeviceInfo::MotionRange pressure;
+
+ bool haveSize;
+ InputDeviceInfo::MotionRange size;
+
+ bool haveTouchSize;
+ InputDeviceInfo::MotionRange touchMajor;
+ InputDeviceInfo::MotionRange touchMinor;
+
+ bool haveToolSize;
+ InputDeviceInfo::MotionRange toolMajor;
+ InputDeviceInfo::MotionRange toolMinor;
+
+ bool haveOrientation;
+ InputDeviceInfo::MotionRange orientation;
+ } orientedRanges;
+
+ // Oriented dimensions and precision.
+ float orientedSurfaceWidth, orientedSurfaceHeight;
+ float orientedXPrecision, orientedYPrecision;
+
+ struct CurrentVirtualKeyState {
+ bool down;
+ nsecs_t downTime;
+ int32_t keyCode;
+ int32_t scanCode;
+ } currentVirtualKey;
+ } mLocked;
+
+ virtual void configureParameters();
+ virtual void dumpParameters(String8& dump);
+ virtual void configureRawAxes();
+ virtual void dumpRawAxes(String8& dump);
+ virtual bool configureSurfaceLocked();
+ virtual void dumpSurfaceLocked(String8& dump);
+ virtual void configureVirtualKeysLocked();
+ virtual void dumpVirtualKeysLocked(String8& dump);
+ virtual void parseCalibration();
+ virtual void resolveCalibration();
+ virtual void dumpCalibration(String8& dump);
+
+ enum TouchResult {
+ // Dispatch the touch normally.
+ DISPATCH_TOUCH,
+ // Do not dispatch the touch, but keep tracking the current stroke.
+ SKIP_TOUCH,
+ // Do not dispatch the touch, and drop all information associated with the current stoke
+ // so the next movement will appear as a new down.
+ DROP_STROKE
+ };
+
+ void syncTouch(nsecs_t when, bool havePointerIds);
+
+private:
+ /* Maximum number of historical samples to average. */
+ static const uint32_t AVERAGING_HISTORY_SIZE = 5;
+
+ /* Slop distance for jumpy pointer detection.
+ * The vertical range of the screen divided by this is our epsilon value. */
+ static const uint32_t JUMPY_EPSILON_DIVISOR = 212;
+
+ /* Number of jumpy points to drop for touchscreens that need it. */
+ static const uint32_t JUMPY_TRANSITION_DROPS = 3;
+ static const uint32_t JUMPY_DROP_LIMIT = 3;
+
+ /* Maximum squared distance for averaging.
+ * If moving farther than this, turn of averaging to avoid lag in response. */
+ static const uint64_t AVERAGING_DISTANCE_LIMIT = 75 * 75;
+
+ struct AveragingTouchFilterState {
+ // Individual history tracks are stored by pointer id
+ uint32_t historyStart[MAX_POINTERS];
+ uint32_t historyEnd[MAX_POINTERS];
+ struct {
+ struct {
+ int32_t x;
+ int32_t y;
+ int32_t pressure;
+ } pointers[MAX_POINTERS];
+ } historyData[AVERAGING_HISTORY_SIZE];
+ } mAveragingTouchFilter;
+
+ struct JumpyTouchFilterState {
+ uint32_t jumpyPointsDropped;
+ } mJumpyTouchFilter;
+
+ struct PointerDistanceHeapElement {
+ uint32_t currentPointerIndex : 8;
+ uint32_t lastPointerIndex : 8;
+ uint64_t distance : 48; // squared distance
+ };
+
+ void initializeLocked();
+
+ TouchResult consumeOffScreenTouches(nsecs_t when, uint32_t policyFlags);
+ void dispatchTouches(nsecs_t when, uint32_t policyFlags);
+ void dispatchTouch(nsecs_t when, uint32_t policyFlags, TouchData* touch,
+ BitSet32 idBits, uint32_t changedId, uint32_t pointerCount,
+ int32_t motionEventAction);
+
+ bool isPointInsideSurfaceLocked(int32_t x, int32_t y);
+ const VirtualKey* findVirtualKeyHitLocked(int32_t x, int32_t y);
+
+ bool applyBadTouchFilter();
+ bool applyJumpyTouchFilter();
+ void applyAveragingTouchFilter();
+ void calculatePointerIds();
+};
+
+
+class SingleTouchInputMapper : public TouchInputMapper {
+public:
+ SingleTouchInputMapper(InputDevice* device);
+ virtual ~SingleTouchInputMapper();
+
+ virtual void reset();
+ virtual void process(const RawEvent* rawEvent);
+
+protected:
+ virtual void configureRawAxes();
+
+private:
+ struct Accumulator {
+ enum {
+ FIELD_BTN_TOUCH = 1,
+ FIELD_ABS_X = 2,
+ FIELD_ABS_Y = 4,
+ FIELD_ABS_PRESSURE = 8,
+ FIELD_ABS_TOOL_WIDTH = 16
+ };
+
+ uint32_t fields;
+
+ bool btnTouch;
+ int32_t absX;
+ int32_t absY;
+ int32_t absPressure;
+ int32_t absToolWidth;
+
+ inline void clear() {
+ fields = 0;
+ }
+ } mAccumulator;
+
+ bool mDown;
+ int32_t mX;
+ int32_t mY;
+ int32_t mPressure;
+ int32_t mToolWidth;
+
+ void initialize();
+
+ void sync(nsecs_t when);
+};
+
+
+class MultiTouchInputMapper : public TouchInputMapper {
+public:
+ MultiTouchInputMapper(InputDevice* device);
+ virtual ~MultiTouchInputMapper();
+
+ virtual void reset();
+ virtual void process(const RawEvent* rawEvent);
+
+protected:
+ virtual void configureRawAxes();
+
+private:
+ struct Accumulator {
+ enum {
+ FIELD_ABS_MT_POSITION_X = 1,
+ FIELD_ABS_MT_POSITION_Y = 2,
+ FIELD_ABS_MT_TOUCH_MAJOR = 4,
+ FIELD_ABS_MT_TOUCH_MINOR = 8,
+ FIELD_ABS_MT_WIDTH_MAJOR = 16,
+ FIELD_ABS_MT_WIDTH_MINOR = 32,
+ FIELD_ABS_MT_ORIENTATION = 64,
+ FIELD_ABS_MT_TRACKING_ID = 128,
+ FIELD_ABS_MT_PRESSURE = 256,
+ };
+
+ uint32_t pointerCount;
+ struct Pointer {
+ uint32_t fields;
+
+ int32_t absMTPositionX;
+ int32_t absMTPositionY;
+ int32_t absMTTouchMajor;
+ int32_t absMTTouchMinor;
+ int32_t absMTWidthMajor;
+ int32_t absMTWidthMinor;
+ int32_t absMTOrientation;
+ int32_t absMTTrackingId;
+ int32_t absMTPressure;
+
+ inline void clear() {
+ fields = 0;
+ }
+ } pointers[MAX_POINTERS + 1]; // + 1 to remove the need for extra range checks
+
+ inline void clear() {
+ pointerCount = 0;
+ pointers[0].clear();
+ }
+ } mAccumulator;
+
+ void initialize();
+
+ void sync(nsecs_t when);
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_READER_H
diff --git a/services/input/PointerController.cpp b/services/input/PointerController.cpp
new file mode 100644
index 0000000..ebc58ee
--- /dev/null
+++ b/services/input/PointerController.cpp
@@ -0,0 +1,407 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "PointerController"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages about pointer updates
+#define DEBUG_POINTER_UPDATES 0
+
+#include "PointerController.h"
+
+#include <cutils/log.h>
+
+#include <SkBitmap.h>
+#include <SkCanvas.h>
+#include <SkColor.h>
+#include <SkPaint.h>
+#include <SkXfermode.h>
+
+namespace android {
+
+// --- PointerController ---
+
+PointerController::PointerController(int32_t pointerLayer) :
+ mPointerLayer(pointerLayer) {
+ AutoMutex _l(mLock);
+
+ mLocked.displayWidth = -1;
+ mLocked.displayHeight = -1;
+ mLocked.displayOrientation = DISPLAY_ORIENTATION_0;
+
+ mLocked.pointerX = 0;
+ mLocked.pointerY = 0;
+ mLocked.buttonState = 0;
+
+ mLocked.iconBitmap = NULL;
+ mLocked.iconHotSpotX = 0;
+ mLocked.iconHotSpotY = 0;
+
+ mLocked.wantVisible = false;
+ mLocked.visible = false;
+ mLocked.drawn = false;
+}
+
+PointerController::~PointerController() {
+ if (mSurfaceControl != NULL) {
+ mSurfaceControl->clear();
+ mSurfaceControl.clear();
+ }
+
+ if (mSurfaceComposerClient != NULL) {
+ mSurfaceComposerClient->dispose();
+ mSurfaceComposerClient.clear();
+ }
+
+ delete mLocked.iconBitmap;
+}
+
+bool PointerController::getBounds(float* outMinX, float* outMinY,
+ float* outMaxX, float* outMaxY) const {
+ AutoMutex _l(mLock);
+
+ return getBoundsLocked(outMinX, outMinY, outMaxX, outMaxY);
+}
+
+bool PointerController::getBoundsLocked(float* outMinX, float* outMinY,
+ float* outMaxX, float* outMaxY) const {
+ if (mLocked.displayWidth <= 0 || mLocked.displayHeight <= 0) {
+ return false;
+ }
+
+ *outMinX = 0;
+ *outMinY = 0;
+ switch (mLocked.displayOrientation) {
+ case DISPLAY_ORIENTATION_90:
+ case DISPLAY_ORIENTATION_270:
+ *outMaxX = mLocked.displayHeight;
+ *outMaxY = mLocked.displayWidth;
+ break;
+ default:
+ *outMaxX = mLocked.displayWidth;
+ *outMaxY = mLocked.displayHeight;
+ break;
+ }
+ return true;
+}
+
+void PointerController::move(float deltaX, float deltaY) {
+#if DEBUG_POINTER_UPDATES
+ LOGD("Move pointer by deltaX=%0.3f, deltaY=%0.3f", deltaX, deltaY);
+#endif
+ if (deltaX == 0.0f && deltaY == 0.0f) {
+ return;
+ }
+
+ AutoMutex _l(mLock);
+
+ setPositionLocked(mLocked.pointerX + deltaX, mLocked.pointerY + deltaY);
+}
+
+void PointerController::setButtonState(uint32_t buttonState) {
+#if DEBUG_POINTER_UPDATES
+ LOGD("Set button state 0x%08x", buttonState);
+#endif
+ AutoMutex _l(mLock);
+
+ if (mLocked.buttonState != buttonState) {
+ mLocked.buttonState = buttonState;
+ mLocked.wantVisible = true;
+ updateLocked();
+ }
+}
+
+uint32_t PointerController::getButtonState() const {
+ AutoMutex _l(mLock);
+
+ return mLocked.buttonState;
+}
+
+void PointerController::setPosition(float x, float y) {
+#if DEBUG_POINTER_UPDATES
+ LOGD("Set pointer position to x=%0.3f, y=%0.3f", x, y);
+#endif
+ AutoMutex _l(mLock);
+
+ setPositionLocked(x, y);
+}
+
+void PointerController::setPositionLocked(float x, float y) {
+ float minX, minY, maxX, maxY;
+ if (getBoundsLocked(&minX, &minY, &maxX, &maxY)) {
+ if (x <= minX) {
+ mLocked.pointerX = minX;
+ } else if (x >= maxX) {
+ mLocked.pointerX = maxX;
+ } else {
+ mLocked.pointerX = x;
+ }
+ if (y <= minY) {
+ mLocked.pointerY = minY;
+ } else if (y >= maxY) {
+ mLocked.pointerY = maxY;
+ } else {
+ mLocked.pointerY = y;
+ }
+ mLocked.wantVisible = true;
+ updateLocked();
+ }
+}
+
+void PointerController::getPosition(float* outX, float* outY) const {
+ AutoMutex _l(mLock);
+
+ *outX = mLocked.pointerX;
+ *outY = mLocked.pointerY;
+}
+
+void PointerController::updateLocked() {
+ bool wantVisibleAndHavePointerIcon = mLocked.wantVisible && mLocked.iconBitmap;
+
+ if (wantVisibleAndHavePointerIcon) {
+ // Want the pointer to be visible.
+ // Ensure the surface is created and drawn.
+ if (!createSurfaceIfNeededLocked() || !drawPointerIfNeededLocked()) {
+ return;
+ }
+ } else {
+ // Don't want the pointer to be visible.
+ // If it is not visible then we are done.
+ if (mSurfaceControl == NULL || !mLocked.visible) {
+ return;
+ }
+ }
+
+ status_t status = mSurfaceComposerClient->openTransaction();
+ if (status) {
+ LOGE("Error opening surface transaction to update pointer surface.");
+ return;
+ }
+
+ if (wantVisibleAndHavePointerIcon) {
+ status = mSurfaceControl->setPosition(
+ mLocked.pointerX - mLocked.iconHotSpotX,
+ mLocked.pointerY - mLocked.iconHotSpotY);
+ if (status) {
+ LOGE("Error %d moving pointer surface.", status);
+ goto CloseTransaction;
+ }
+
+ if (!mLocked.visible) {
+ status = mSurfaceControl->setLayer(mPointerLayer);
+ if (status) {
+ LOGE("Error %d setting pointer surface layer.", status);
+ goto CloseTransaction;
+ }
+
+ status = mSurfaceControl->show(mPointerLayer);
+ if (status) {
+ LOGE("Error %d showing pointer surface.", status);
+ goto CloseTransaction;
+ }
+
+ mLocked.visible = true;
+ }
+ } else {
+ if (mLocked.visible) {
+ status = mSurfaceControl->hide();
+ if (status) {
+ LOGE("Error %d hiding pointer surface.", status);
+ goto CloseTransaction;
+ }
+
+ mLocked.visible = false;
+ }
+ }
+
+CloseTransaction:
+ status = mSurfaceComposerClient->closeTransaction();
+ if (status) {
+ LOGE("Error closing surface transaction to update pointer surface.");
+ }
+}
+
+void PointerController::setDisplaySize(int32_t width, int32_t height) {
+ AutoMutex _l(mLock);
+
+ if (mLocked.displayWidth != width || mLocked.displayHeight != height) {
+ mLocked.displayWidth = width;
+ mLocked.displayHeight = height;
+
+ float minX, minY, maxX, maxY;
+ if (getBoundsLocked(&minX, &minY, &maxX, &maxY)) {
+ mLocked.pointerX = (minX + maxX) * 0.5f;
+ mLocked.pointerY = (minY + maxY) * 0.5f;
+ } else {
+ mLocked.pointerX = 0;
+ mLocked.pointerY = 0;
+ }
+
+ updateLocked();
+ }
+}
+
+void PointerController::setDisplayOrientation(int32_t orientation) {
+ AutoMutex _l(mLock);
+
+ if (mLocked.displayOrientation != orientation) {
+ float absoluteX, absoluteY;
+
+ // Map from oriented display coordinates to absolute display coordinates.
+ switch (mLocked.displayOrientation) {
+ case DISPLAY_ORIENTATION_90:
+ absoluteX = mLocked.displayWidth - mLocked.pointerY;
+ absoluteY = mLocked.pointerX;
+ break;
+ case DISPLAY_ORIENTATION_180:
+ absoluteX = mLocked.displayWidth - mLocked.pointerX;
+ absoluteY = mLocked.displayHeight - mLocked.pointerY;
+ break;
+ case DISPLAY_ORIENTATION_270:
+ absoluteX = mLocked.pointerY;
+ absoluteY = mLocked.displayHeight - mLocked.pointerX;
+ break;
+ default:
+ absoluteX = mLocked.pointerX;
+ absoluteY = mLocked.pointerY;
+ break;
+ }
+
+ // Map from absolute display coordinates to oriented display coordinates.
+ switch (orientation) {
+ case DISPLAY_ORIENTATION_90:
+ mLocked.pointerX = absoluteY;
+ mLocked.pointerY = mLocked.displayWidth - absoluteX;
+ break;
+ case DISPLAY_ORIENTATION_180:
+ mLocked.pointerX = mLocked.displayWidth - absoluteX;
+ mLocked.pointerY = mLocked.displayHeight - absoluteY;
+ break;
+ case DISPLAY_ORIENTATION_270:
+ mLocked.pointerX = mLocked.displayHeight - absoluteY;
+ mLocked.pointerY = absoluteX;
+ break;
+ default:
+ mLocked.pointerX = absoluteX;
+ mLocked.pointerY = absoluteY;
+ break;
+ }
+
+ mLocked.displayOrientation = orientation;
+
+ updateLocked();
+ }
+}
+
+void PointerController::setPointerIcon(const SkBitmap* bitmap, float hotSpotX, float hotSpotY) {
+ AutoMutex _l(mLock);
+
+ delete mLocked.iconBitmap;
+ mLocked.iconBitmap = bitmap ? new SkBitmap(*bitmap) : NULL;
+ mLocked.iconHotSpotX = hotSpotX;
+ mLocked.iconHotSpotY = hotSpotY;
+ mLocked.drawn = false;
+}
+
+bool PointerController::createSurfaceIfNeededLocked() {
+ if (!mLocked.iconBitmap) {
+ // If we don't have a pointer icon, then no point allocating a surface now.
+ return false;
+ }
+
+ if (mSurfaceComposerClient == NULL) {
+ mSurfaceComposerClient = new SurfaceComposerClient();
+ }
+
+ if (mSurfaceControl == NULL) {
+ mSurfaceControl = mSurfaceComposerClient->createSurface(getpid(),
+ String8("Pointer Icon"), 0,
+ mLocked.iconBitmap->width(), mLocked.iconBitmap->height(),
+ PIXEL_FORMAT_RGBA_8888);
+ if (mSurfaceControl == NULL) {
+ LOGE("Error creating pointer surface.");
+ return false;
+ }
+ }
+ return true;
+}
+
+bool PointerController::drawPointerIfNeededLocked() {
+ if (!mLocked.drawn) {
+ if (!mLocked.iconBitmap) {
+ return false;
+ }
+
+ if (!resizeSurfaceLocked(mLocked.iconBitmap->width(), mLocked.iconBitmap->height())) {
+ return false;
+ }
+
+ sp<Surface> surface = mSurfaceControl->getSurface();
+
+ Surface::SurfaceInfo surfaceInfo;
+ status_t status = surface->lock(&surfaceInfo);
+ if (status) {
+ LOGE("Error %d locking pointer surface before drawing.", status);
+ return false;
+ }
+
+ SkBitmap surfaceBitmap;
+ ssize_t bpr = surfaceInfo.s * bytesPerPixel(surfaceInfo.format);
+ surfaceBitmap.setConfig(SkBitmap::kARGB_8888_Config, surfaceInfo.w, surfaceInfo.h, bpr);
+ surfaceBitmap.setPixels(surfaceInfo.bits);
+
+ SkCanvas surfaceCanvas;
+ surfaceCanvas.setBitmapDevice(surfaceBitmap);
+
+ SkPaint paint;
+ paint.setXfermodeMode(SkXfermode::kSrc_Mode);
+ surfaceCanvas.drawBitmap(*mLocked.iconBitmap, 0, 0, &paint);
+
+ status = surface->unlockAndPost();
+ if (status) {
+ LOGE("Error %d unlocking pointer surface after drawing.", status);
+ return false;
+ }
+ }
+
+ mLocked.drawn = true;
+ return true;
+}
+
+bool PointerController::resizeSurfaceLocked(int32_t width, int32_t height) {
+ status_t status = mSurfaceComposerClient->openTransaction();
+ if (status) {
+ LOGE("Error opening surface transaction to resize pointer surface.");
+ return false;
+ }
+
+ status = mSurfaceControl->setSize(width, height);
+ if (status) {
+ LOGE("Error %d setting pointer surface size.", status);
+ return false;
+ }
+
+ status = mSurfaceComposerClient->closeTransaction();
+ if (status) {
+ LOGE("Error closing surface transaction to resize pointer surface.");
+ return false;
+ }
+
+ return true;
+}
+
+} // namespace android
diff --git a/services/input/PointerController.h b/services/input/PointerController.h
new file mode 100644
index 0000000..a2a9955
--- /dev/null
+++ b/services/input/PointerController.h
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_POINTER_CONTROLLER_H
+#define _UI_POINTER_CONTROLLER_H
+
+#include <ui/DisplayInfo.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+#include <surfaceflinger/Surface.h>
+#include <surfaceflinger/SurfaceComposerClient.h>
+#include <surfaceflinger/ISurfaceComposer.h>
+
+#include <SkBitmap.h>
+
+namespace android {
+
+enum {
+ POINTER_BUTTON_1 = 1 << 0,
+};
+
+/**
+ * Interface for tracking a single (mouse) pointer.
+ *
+ * The pointer controller is responsible for providing synchronization and for tracking
+ * display orientation changes if needed.
+ */
+class PointerControllerInterface : public virtual RefBase {
+protected:
+ PointerControllerInterface() { }
+ virtual ~PointerControllerInterface() { }
+
+public:
+ /* Gets the bounds of the region that the pointer can traverse.
+ * Returns true if the bounds are available. */
+ virtual bool getBounds(float* outMinX, float* outMinY,
+ float* outMaxX, float* outMaxY) const = 0;
+
+ /* Move the pointer. */
+ virtual void move(float deltaX, float deltaY) = 0;
+
+ /* Sets a mask that indicates which buttons are pressed. */
+ virtual void setButtonState(uint32_t buttonState) = 0;
+
+ /* Gets a mask that indicates which buttons are pressed. */
+ virtual uint32_t getButtonState() const = 0;
+
+ /* Sets the absolute location of the pointer. */
+ virtual void setPosition(float x, float y) = 0;
+
+ /* Gets the absolute location of the pointer. */
+ virtual void getPosition(float* outX, float* outY) const = 0;
+};
+
+
+/*
+ * Tracks pointer movements and draws the pointer sprite to a surface.
+ *
+ * Handles pointer acceleration and animation.
+ */
+class PointerController : public PointerControllerInterface {
+protected:
+ virtual ~PointerController();
+
+public:
+ PointerController(int32_t pointerLayer);
+
+ virtual bool getBounds(float* outMinX, float* outMinY,
+ float* outMaxX, float* outMaxY) const;
+ virtual void move(float deltaX, float deltaY);
+ virtual void setButtonState(uint32_t buttonState);
+ virtual uint32_t getButtonState() const;
+ virtual void setPosition(float x, float y);
+ virtual void getPosition(float* outX, float* outY) const;
+
+ void setDisplaySize(int32_t width, int32_t height);
+ void setDisplayOrientation(int32_t orientation);
+ void setPointerIcon(const SkBitmap* bitmap, float hotSpotX, float hotSpotY);
+
+private:
+ mutable Mutex mLock;
+
+ int32_t mPointerLayer;
+ sp<SurfaceComposerClient> mSurfaceComposerClient;
+ sp<SurfaceControl> mSurfaceControl;
+
+ struct Locked {
+ int32_t displayWidth;
+ int32_t displayHeight;
+ int32_t displayOrientation;
+
+ float pointerX;
+ float pointerY;
+ uint32_t buttonState;
+
+ SkBitmap* iconBitmap;
+ float iconHotSpotX;
+ float iconHotSpotY;
+
+ bool wantVisible;
+ bool visible;
+ bool drawn;
+ } mLocked;
+
+ bool getBoundsLocked(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const;
+ void setPositionLocked(float x, float y);
+ void updateLocked();
+ bool createSurfaceIfNeededLocked();
+ bool drawPointerIfNeededLocked();
+ bool resizeSurfaceLocked(int32_t width, int32_t height);
+};
+
+} // namespace android
+
+#endif // _UI_POINTER_CONTROLLER_H
diff --git a/services/input/tests/Android.mk b/services/input/tests/Android.mk
new file mode 100644
index 0000000..799eb76
--- /dev/null
+++ b/services/input/tests/Android.mk
@@ -0,0 +1,50 @@
+# Build the unit tests.
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+ifneq ($(TARGET_SIMULATOR),true)
+
+# Build the unit tests.
+test_src_files := \
+ InputReader_test.cpp \
+ InputDispatcher_test.cpp
+
+shared_libraries := \
+ libcutils \
+ libutils \
+ libhardware \
+ libhardware_legacy \
+ libui \
+ libsurfaceflinger_client \
+ libskia \
+ libstlport \
+ libinput
+
+static_libraries := \
+ libgtest \
+ libgtest_main
+
+c_includes := \
+ bionic \
+ bionic/libstdc++/include \
+ external/gtest/include \
+ external/stlport/stlport \
+ external/skia/include/core
+
+module_tags := eng tests
+
+$(foreach file,$(test_src_files), \
+ $(eval include $(CLEAR_VARS)) \
+ $(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
+ $(eval LOCAL_STATIC_LIBRARIES := $(static_libraries)) \
+ $(eval LOCAL_C_INCLUDES := $(c_includes)) \
+ $(eval LOCAL_SRC_FILES := $(file)) \
+ $(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
+ $(eval LOCAL_MODULE_TAGS := $(module_tags)) \
+ $(eval include $(BUILD_EXECUTABLE)) \
+)
+
+# Build the manual test programs.
+include $(call all-subdir-makefiles)
+
+endif
\ No newline at end of file
diff --git a/services/input/tests/InputDispatcher_test.cpp b/services/input/tests/InputDispatcher_test.cpp
new file mode 100644
index 0000000..b79633a
--- /dev/null
+++ b/services/input/tests/InputDispatcher_test.cpp
@@ -0,0 +1,230 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+
+#include "../InputDispatcher.h"
+
+#include <gtest/gtest.h>
+#include <linux/input.h>
+
+namespace android {
+
+// An arbitrary time value.
+static const nsecs_t ARBITRARY_TIME = 1234;
+
+// An arbitrary device id.
+static const int32_t DEVICE_ID = 1;
+
+// An arbitrary injector pid / uid pair that has permission to inject events.
+static const int32_t INJECTOR_PID = 999;
+static const int32_t INJECTOR_UID = 1001;
+
+
+// --- FakeInputDispatcherPolicy ---
+
+class FakeInputDispatcherPolicy : public InputDispatcherPolicyInterface {
+protected:
+ virtual ~FakeInputDispatcherPolicy() {
+ }
+
+public:
+ FakeInputDispatcherPolicy() {
+ }
+
+private:
+ virtual void notifyConfigurationChanged(nsecs_t when) {
+ }
+
+ virtual nsecs_t notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle,
+ const sp<InputChannel>& inputChannel) {
+ return 0;
+ }
+
+ virtual void notifyInputChannelBroken(const sp<InputChannel>& inputChannel) {
+ }
+
+ virtual nsecs_t getKeyRepeatTimeout() {
+ return 500 * 1000000LL;
+ }
+
+ virtual nsecs_t getKeyRepeatDelay() {
+ return 50 * 1000000LL;
+ }
+
+ virtual int32_t getMaxEventsPerSecond() {
+ return 60;
+ }
+
+ virtual void interceptKeyBeforeQueueing(const KeyEvent* keyEvent, uint32_t& policyFlags) {
+ }
+
+ virtual void interceptGenericBeforeQueueing(nsecs_t when, uint32_t& policyFlags) {
+ }
+
+ virtual bool interceptKeyBeforeDispatching(const sp<InputChannel>& inputChannel,
+ const KeyEvent* keyEvent, uint32_t policyFlags) {
+ return false;
+ }
+
+ virtual bool dispatchUnhandledKey(const sp<InputChannel>& inputChannel,
+ const KeyEvent* keyEvent, uint32_t policyFlags, KeyEvent* outFallbackKeyEvent) {
+ return false;
+ }
+
+ virtual void notifySwitch(nsecs_t when,
+ int32_t switchCode, int32_t switchValue, uint32_t policyFlags) {
+ }
+
+ virtual void pokeUserActivity(nsecs_t eventTime, int32_t eventType) {
+ }
+
+ virtual bool checkInjectEventsPermissionNonReentrant(
+ int32_t injectorPid, int32_t injectorUid) {
+ return false;
+ }
+};
+
+
+// --- InputDispatcherTest ---
+
+class InputDispatcherTest : public testing::Test {
+protected:
+ sp<FakeInputDispatcherPolicy> mFakePolicy;
+ sp<InputDispatcher> mDispatcher;
+
+ virtual void SetUp() {
+ mFakePolicy = new FakeInputDispatcherPolicy();
+ mDispatcher = new InputDispatcher(mFakePolicy);
+ }
+
+ virtual void TearDown() {
+ mFakePolicy.clear();
+ mDispatcher.clear();
+ }
+};
+
+
+TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesKeyEvents) {
+ KeyEvent event;
+
+ // Rejects undefined key actions.
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD,
+ /*action*/ -1, 0,
+ AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject key events with undefined action.";
+
+ // Rejects ACTION_MULTIPLE since it is not supported despite being defined in the API.
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD,
+ AKEY_EVENT_ACTION_MULTIPLE, 0,
+ AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject key events with ACTION_MULTIPLE.";
+}
+
+TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesMotionEvents) {
+ MotionEvent event;
+ int32_t pointerIds[MAX_POINTERS + 1];
+ PointerCoords pointerCoords[MAX_POINTERS + 1];
+ for (int i = 0; i <= MAX_POINTERS; i++) {
+ pointerIds[i] = i;
+ }
+
+ // Rejects undefined motion actions.
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+ /*action*/ -1, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+ ARBITRARY_TIME, ARBITRARY_TIME,
+ /*pointerCount*/ 1, pointerIds, pointerCoords);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject motion events with undefined action.";
+
+ // Rejects pointer down with invalid index.
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+ AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ 0, 0, AMETA_NONE, 0, 0, 0, 0,
+ ARBITRARY_TIME, ARBITRARY_TIME,
+ /*pointerCount*/ 1, pointerIds, pointerCoords);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject motion events with pointer down index too large.";
+
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+ AMOTION_EVENT_ACTION_POINTER_DOWN | (-1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ 0, 0, AMETA_NONE, 0, 0, 0, 0,
+ ARBITRARY_TIME, ARBITRARY_TIME,
+ /*pointerCount*/ 1, pointerIds, pointerCoords);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject motion events with pointer down index too small.";
+
+ // Rejects pointer up with invalid index.
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+ AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ 0, 0, AMETA_NONE, 0, 0, 0, 0,
+ ARBITRARY_TIME, ARBITRARY_TIME,
+ /*pointerCount*/ 1, pointerIds, pointerCoords);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject motion events with pointer up index too large.";
+
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+ AMOTION_EVENT_ACTION_POINTER_UP | (-1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ 0, 0, AMETA_NONE, 0, 0, 0, 0,
+ ARBITRARY_TIME, ARBITRARY_TIME,
+ /*pointerCount*/ 1, pointerIds, pointerCoords);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject motion events with pointer up index too small.";
+
+ // Rejects motion events with invalid number of pointers.
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+ AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+ ARBITRARY_TIME, ARBITRARY_TIME,
+ /*pointerCount*/ 0, pointerIds, pointerCoords);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject motion events with 0 pointers.";
+
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+ AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+ ARBITRARY_TIME, ARBITRARY_TIME,
+ /*pointerCount*/ MAX_POINTERS + 1, pointerIds, pointerCoords);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject motion events with more than MAX_POINTERS pointers.";
+
+ // Rejects motion events with invalid pointer ids.
+ pointerIds[0] = -1;
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+ AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+ ARBITRARY_TIME, ARBITRARY_TIME,
+ /*pointerCount*/ 1, pointerIds, pointerCoords);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject motion events with pointer ids less than 0.";
+
+ pointerIds[0] = MAX_POINTER_ID + 1;
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+ AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+ ARBITRARY_TIME, ARBITRARY_TIME,
+ /*pointerCount*/ 1, pointerIds, pointerCoords);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject motion events with pointer ids greater than MAX_POINTER_ID.";
+
+ // Rejects motion events with duplicate pointer ids.
+ pointerIds[0] = 1;
+ pointerIds[1] = 1;
+ event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+ AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+ ARBITRARY_TIME, ARBITRARY_TIME,
+ /*pointerCount*/ 2, pointerIds, pointerCoords);
+ ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+ INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+ << "Should reject motion events with duplicate pointer ids.";
+}
+
+} // namespace android
diff --git a/services/input/tests/InputReader_test.cpp b/services/input/tests/InputReader_test.cpp
new file mode 100644
index 0000000..9d2c52f
--- /dev/null
+++ b/services/input/tests/InputReader_test.cpp
@@ -0,0 +1,3643 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+
+#include "../InputReader.h"
+
+#include <utils/List.h>
+#include <gtest/gtest.h>
+#include <math.h>
+
+namespace android {
+
+// An arbitrary time value.
+static const nsecs_t ARBITRARY_TIME = 1234;
+
+// Arbitrary display properties.
+static const int32_t DISPLAY_ID = 0;
+static const int32_t DISPLAY_WIDTH = 480;
+static const int32_t DISPLAY_HEIGHT = 800;
+
+// Error tolerance for floating point assertions.
+static const float EPSILON = 0.001f;
+
+template<typename T>
+static inline T min(T a, T b) {
+ return a < b ? a : b;
+}
+
+static inline float avg(float x, float y) {
+ return (x + y) / 2;
+}
+
+
+// --- FakePointerController ---
+
+class FakePointerController : public PointerControllerInterface {
+ bool mHaveBounds;
+ float mMinX, mMinY, mMaxX, mMaxY;
+
+protected:
+ virtual ~FakePointerController() { }
+
+public:
+ FakePointerController() :
+ mHaveBounds(false), mMinX(0), mMinY(0), mMaxX(0), mMaxY(0) {
+ }
+
+ void setBounds(float minX, float minY, float maxX, float maxY) {
+ mHaveBounds = true;
+ mMinX = minX;
+ mMinY = minY;
+ mMaxX = maxX;
+ mMaxY = maxY;
+ }
+
+private:
+ virtual bool getBounds(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const {
+ *outMinX = mMinX;
+ *outMinY = mMinY;
+ *outMaxX = mMaxX;
+ *outMaxY = mMaxY;
+ return mHaveBounds;
+ }
+
+ virtual void move(float deltaX, float deltaY) {
+ }
+
+ virtual void setButtonState(uint32_t buttonState) {
+ }
+
+ virtual uint32_t getButtonState() const {
+ return 0;
+ }
+
+ virtual void setPosition(float x, float y) {
+ }
+
+ virtual void getPosition(float* outX, float* outY) const {
+ *outX = 0;
+ *outY = 0;
+ }
+};
+
+
+// --- FakeInputReaderPolicy ---
+
+class FakeInputReaderPolicy : public InputReaderPolicyInterface {
+ struct DisplayInfo {
+ int32_t width;
+ int32_t height;
+ int32_t orientation;
+ };
+
+ KeyedVector<int32_t, DisplayInfo> mDisplayInfos;
+ bool mFilterTouchEvents;
+ bool mFilterJumpyTouchEvents;
+ Vector<String8> mExcludedDeviceNames;
+ KeyedVector<int32_t, sp<FakePointerController> > mPointerControllers;
+
+protected:
+ virtual ~FakeInputReaderPolicy() { }
+
+public:
+ FakeInputReaderPolicy() :
+ mFilterTouchEvents(false), mFilterJumpyTouchEvents(false) {
+ }
+
+ void removeDisplayInfo(int32_t displayId) {
+ mDisplayInfos.removeItem(displayId);
+ }
+
+ void setDisplayInfo(int32_t displayId, int32_t width, int32_t height, int32_t orientation) {
+ removeDisplayInfo(displayId);
+
+ DisplayInfo info;
+ info.width = width;
+ info.height = height;
+ info.orientation = orientation;
+ mDisplayInfos.add(displayId, info);
+ }
+
+ void setFilterTouchEvents(bool enabled) {
+ mFilterTouchEvents = enabled;
+ }
+
+ void setFilterJumpyTouchEvents(bool enabled) {
+ mFilterJumpyTouchEvents = enabled;
+ }
+
+ void addExcludedDeviceName(const String8& deviceName) {
+ mExcludedDeviceNames.push(deviceName);
+ }
+
+ void setPointerController(int32_t deviceId, const sp<FakePointerController>& controller) {
+ mPointerControllers.add(deviceId, controller);
+ }
+
+private:
+ virtual bool getDisplayInfo(int32_t displayId,
+ int32_t* width, int32_t* height, int32_t* orientation) {
+ ssize_t index = mDisplayInfos.indexOfKey(displayId);
+ if (index >= 0) {
+ const DisplayInfo& info = mDisplayInfos.valueAt(index);
+ if (width) {
+ *width = info.width;
+ }
+ if (height) {
+ *height = info.height;
+ }
+ if (orientation) {
+ *orientation = info.orientation;
+ }
+ return true;
+ }
+ return false;
+ }
+
+ virtual bool filterTouchEvents() {
+ return mFilterTouchEvents;
+ }
+
+ virtual bool filterJumpyTouchEvents() {
+ return mFilterJumpyTouchEvents;
+ }
+
+ virtual void getExcludedDeviceNames(Vector<String8>& outExcludedDeviceNames) {
+ outExcludedDeviceNames.appendVector(mExcludedDeviceNames);
+ }
+
+ virtual sp<PointerControllerInterface> obtainPointerController(int32_t deviceId) {
+ return mPointerControllers.valueFor(deviceId);
+ }
+};
+
+
+// --- FakeInputDispatcher ---
+
+class FakeInputDispatcher : public InputDispatcherInterface {
+public:
+ struct NotifyConfigurationChangedArgs {
+ nsecs_t eventTime;
+ };
+
+ struct NotifyKeyArgs {
+ nsecs_t eventTime;
+ int32_t deviceId;
+ int32_t source;
+ uint32_t policyFlags;
+ int32_t action;
+ int32_t flags;
+ int32_t keyCode;
+ int32_t scanCode;
+ int32_t metaState;
+ nsecs_t downTime;
+ };
+
+ struct NotifyMotionArgs {
+ nsecs_t eventTime;
+ int32_t deviceId;
+ int32_t source;
+ uint32_t policyFlags;
+ int32_t action;
+ int32_t flags;
+ int32_t metaState;
+ int32_t edgeFlags;
+ uint32_t pointerCount;
+ Vector<int32_t> pointerIds;
+ Vector<PointerCoords> pointerCoords;
+ float xPrecision;
+ float yPrecision;
+ nsecs_t downTime;
+ };
+
+ struct NotifySwitchArgs {
+ nsecs_t when;
+ int32_t switchCode;
+ int32_t switchValue;
+ uint32_t policyFlags;
+ };
+
+private:
+ List<NotifyConfigurationChangedArgs> mNotifyConfigurationChangedArgs;
+ List<NotifyKeyArgs> mNotifyKeyArgs;
+ List<NotifyMotionArgs> mNotifyMotionArgs;
+ List<NotifySwitchArgs> mNotifySwitchArgs;
+
+protected:
+ virtual ~FakeInputDispatcher() { }
+
+public:
+ FakeInputDispatcher() {
+ }
+
+ void assertNotifyConfigurationChangedWasCalled(NotifyConfigurationChangedArgs* outArgs = NULL) {
+ ASSERT_FALSE(mNotifyConfigurationChangedArgs.empty())
+ << "Expected notifyConfigurationChanged() to have been called.";
+ if (outArgs) {
+ *outArgs = *mNotifyConfigurationChangedArgs.begin();
+ }
+ mNotifyConfigurationChangedArgs.erase(mNotifyConfigurationChangedArgs.begin());
+ }
+
+ void assertNotifyKeyWasCalled(NotifyKeyArgs* outArgs = NULL) {
+ ASSERT_FALSE(mNotifyKeyArgs.empty())
+ << "Expected notifyKey() to have been called.";
+ if (outArgs) {
+ *outArgs = *mNotifyKeyArgs.begin();
+ }
+ mNotifyKeyArgs.erase(mNotifyKeyArgs.begin());
+ }
+
+ void assertNotifyKeyWasNotCalled() {
+ ASSERT_TRUE(mNotifyKeyArgs.empty())
+ << "Expected notifyKey() to not have been called.";
+ }
+
+ void assertNotifyMotionWasCalled(NotifyMotionArgs* outArgs = NULL) {
+ ASSERT_FALSE(mNotifyMotionArgs.empty())
+ << "Expected notifyMotion() to have been called.";
+ if (outArgs) {
+ *outArgs = *mNotifyMotionArgs.begin();
+ }
+ mNotifyMotionArgs.erase(mNotifyMotionArgs.begin());
+ }
+
+ void assertNotifyMotionWasNotCalled() {
+ ASSERT_TRUE(mNotifyMotionArgs.empty())
+ << "Expected notifyMotion() to not have been called.";
+ }
+
+ void assertNotifySwitchWasCalled(NotifySwitchArgs* outArgs = NULL) {
+ ASSERT_FALSE(mNotifySwitchArgs.empty())
+ << "Expected notifySwitch() to have been called.";
+ if (outArgs) {
+ *outArgs = *mNotifySwitchArgs.begin();
+ }
+ mNotifySwitchArgs.erase(mNotifySwitchArgs.begin());
+ }
+
+private:
+ virtual void notifyConfigurationChanged(nsecs_t eventTime) {
+ NotifyConfigurationChangedArgs args;
+ args.eventTime = eventTime;
+ mNotifyConfigurationChangedArgs.push_back(args);
+ }
+
+ virtual void notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t source,
+ uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode,
+ int32_t scanCode, int32_t metaState, nsecs_t downTime) {
+ NotifyKeyArgs args;
+ args.eventTime = eventTime;
+ args.deviceId = deviceId;
+ args.source = source;
+ args.policyFlags = policyFlags;
+ args.action = action;
+ args.flags = flags;
+ args.keyCode = keyCode;
+ args.scanCode = scanCode;
+ args.metaState = metaState;
+ args.downTime = downTime;
+ mNotifyKeyArgs.push_back(args);
+ }
+
+ virtual void notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
+ uint32_t policyFlags, int32_t action, int32_t flags,
+ int32_t metaState, int32_t edgeFlags,
+ uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
+ float xPrecision, float yPrecision, nsecs_t downTime) {
+ NotifyMotionArgs args;
+ args.eventTime = eventTime;
+ args.deviceId = deviceId;
+ args.source = source;
+ args.policyFlags = policyFlags;
+ args.action = action;
+ args.flags = flags;
+ args.metaState = metaState;
+ args.edgeFlags = edgeFlags;
+ args.pointerCount = pointerCount;
+ args.pointerIds.clear();
+ args.pointerIds.appendArray(pointerIds, pointerCount);
+ args.pointerCoords.clear();
+ args.pointerCoords.appendArray(pointerCoords, pointerCount);
+ args.xPrecision = xPrecision;
+ args.yPrecision = yPrecision;
+ args.downTime = downTime;
+ mNotifyMotionArgs.push_back(args);
+ }
+
+ virtual void notifySwitch(nsecs_t when,
+ int32_t switchCode, int32_t switchValue, uint32_t policyFlags) {
+ NotifySwitchArgs args;
+ args.when = when;
+ args.switchCode = switchCode;
+ args.switchValue = switchValue;
+ args.policyFlags = policyFlags;
+ mNotifySwitchArgs.push_back(args);
+ }
+
+ virtual void dump(String8& dump) {
+ ADD_FAILURE() << "Should never be called by input reader.";
+ }
+
+ virtual void dispatchOnce() {
+ ADD_FAILURE() << "Should never be called by input reader.";
+ }
+
+ virtual int32_t injectInputEvent(const InputEvent* event,
+ int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis) {
+ ADD_FAILURE() << "Should never be called by input reader.";
+ return INPUT_EVENT_INJECTION_FAILED;
+ }
+
+ virtual void setInputWindows(const Vector<InputWindow>& inputWindows) {
+ ADD_FAILURE() << "Should never be called by input reader.";
+ }
+
+ virtual void setFocusedApplication(const InputApplication* inputApplication) {
+ ADD_FAILURE() << "Should never be called by input reader.";
+ }
+
+ virtual void setInputDispatchMode(bool enabled, bool frozen) {
+ ADD_FAILURE() << "Should never be called by input reader.";
+ }
+
+ virtual bool transferTouchFocus(const sp<InputChannel>& fromChannel,
+ const sp<InputChannel>& toChannel) {
+ ADD_FAILURE() << "Should never be called by input reader.";
+ return 0;
+ }
+
+ virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel, bool monitor) {
+ ADD_FAILURE() << "Should never be called by input reader.";
+ return 0;
+ }
+
+ virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel) {
+ ADD_FAILURE() << "Should never be called by input reader.";
+ return 0;
+ }
+};
+
+
+// --- FakeEventHub ---
+
+class FakeEventHub : public EventHubInterface {
+ struct KeyInfo {
+ int32_t keyCode;
+ uint32_t flags;
+ };
+
+ struct Device {
+ String8 name;
+ uint32_t classes;
+ PropertyMap configuration;
+ KeyedVector<int, RawAbsoluteAxisInfo> axes;
+ KeyedVector<int32_t, int32_t> keyCodeStates;
+ KeyedVector<int32_t, int32_t> scanCodeStates;
+ KeyedVector<int32_t, int32_t> switchStates;
+ KeyedVector<int32_t, KeyInfo> keys;
+ KeyedVector<int32_t, bool> leds;
+ Vector<VirtualKeyDefinition> virtualKeys;
+
+ Device(const String8& name, uint32_t classes) :
+ name(name), classes(classes) {
+ }
+ };
+
+ KeyedVector<int32_t, Device*> mDevices;
+ Vector<String8> mExcludedDevices;
+ List<RawEvent> mEvents;
+
+protected:
+ virtual ~FakeEventHub() {
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ delete mDevices.valueAt(i);
+ }
+ }
+
+public:
+ FakeEventHub() { }
+
+ void addDevice(int32_t deviceId, const String8& name, uint32_t classes) {
+ Device* device = new Device(name, classes);
+ mDevices.add(deviceId, device);
+
+ enqueueEvent(ARBITRARY_TIME, deviceId, EventHubInterface::DEVICE_ADDED, 0, 0, 0, 0);
+ }
+
+ void removeDevice(int32_t deviceId) {
+ delete mDevices.valueFor(deviceId);
+ mDevices.removeItem(deviceId);
+
+ enqueueEvent(ARBITRARY_TIME, deviceId, EventHubInterface::DEVICE_REMOVED, 0, 0, 0, 0);
+ }
+
+ void finishDeviceScan() {
+ enqueueEvent(ARBITRARY_TIME, 0, EventHubInterface::FINISHED_DEVICE_SCAN, 0, 0, 0, 0);
+ }
+
+ void addConfigurationProperty(int32_t deviceId, const String8& key, const String8& value) {
+ Device* device = getDevice(deviceId);
+ device->configuration.addProperty(key, value);
+ }
+
+ void addConfigurationMap(int32_t deviceId, const PropertyMap* configuration) {
+ Device* device = getDevice(deviceId);
+ device->configuration.addAll(configuration);
+ }
+
+ void addAxis(int32_t deviceId, int axis,
+ int32_t minValue, int32_t maxValue, int flat, int fuzz) {
+ Device* device = getDevice(deviceId);
+
+ RawAbsoluteAxisInfo info;
+ info.valid = true;
+ info.minValue = minValue;
+ info.maxValue = maxValue;
+ info.flat = flat;
+ info.fuzz = fuzz;
+ device->axes.add(axis, info);
+ }
+
+ void setKeyCodeState(int32_t deviceId, int32_t keyCode, int32_t state) {
+ Device* device = getDevice(deviceId);
+ device->keyCodeStates.replaceValueFor(keyCode, state);
+ }
+
+ void setScanCodeState(int32_t deviceId, int32_t scanCode, int32_t state) {
+ Device* device = getDevice(deviceId);
+ device->scanCodeStates.replaceValueFor(scanCode, state);
+ }
+
+ void setSwitchState(int32_t deviceId, int32_t switchCode, int32_t state) {
+ Device* device = getDevice(deviceId);
+ device->switchStates.replaceValueFor(switchCode, state);
+ }
+
+ void addKey(int32_t deviceId, int32_t scanCode, int32_t keyCode, uint32_t flags) {
+ Device* device = getDevice(deviceId);
+ KeyInfo info;
+ info.keyCode = keyCode;
+ info.flags = flags;
+ device->keys.add(scanCode, info);
+ }
+
+ void addLed(int32_t deviceId, int32_t led, bool initialState) {
+ Device* device = getDevice(deviceId);
+ device->leds.add(led, initialState);
+ }
+
+ bool getLedState(int32_t deviceId, int32_t led) {
+ Device* device = getDevice(deviceId);
+ return device->leds.valueFor(led);
+ }
+
+ Vector<String8>& getExcludedDevices() {
+ return mExcludedDevices;
+ }
+
+ void addVirtualKeyDefinition(int32_t deviceId, const VirtualKeyDefinition& definition) {
+ Device* device = getDevice(deviceId);
+ device->virtualKeys.push(definition);
+ }
+
+ void enqueueEvent(nsecs_t when, int32_t deviceId, int32_t type,
+ int32_t scanCode, int32_t keyCode, int32_t value, uint32_t flags) {
+ RawEvent event;
+ event.when = when;
+ event.deviceId = deviceId;
+ event.type = type;
+ event.scanCode = scanCode;
+ event.keyCode = keyCode;
+ event.value = value;
+ event.flags = flags;
+ mEvents.push_back(event);
+ }
+
+ void assertQueueIsEmpty() {
+ ASSERT_EQ(size_t(0), mEvents.size())
+ << "Expected the event queue to be empty (fully consumed).";
+ }
+
+private:
+ Device* getDevice(int32_t deviceId) const {
+ ssize_t index = mDevices.indexOfKey(deviceId);
+ return index >= 0 ? mDevices.valueAt(index) : NULL;
+ }
+
+ virtual uint32_t getDeviceClasses(int32_t deviceId) const {
+ Device* device = getDevice(deviceId);
+ return device ? device->classes : 0;
+ }
+
+ virtual String8 getDeviceName(int32_t deviceId) const {
+ Device* device = getDevice(deviceId);
+ return device ? device->name : String8("unknown");
+ }
+
+ virtual void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const {
+ Device* device = getDevice(deviceId);
+ if (device) {
+ *outConfiguration = device->configuration;
+ }
+ }
+
+ virtual status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
+ RawAbsoluteAxisInfo* outAxisInfo) const {
+ Device* device = getDevice(deviceId);
+ if (device) {
+ ssize_t index = device->axes.indexOfKey(axis);
+ if (index >= 0) {
+ *outAxisInfo = device->axes.valueAt(index);
+ return OK;
+ }
+ }
+ return -1;
+ }
+
+ virtual status_t scancodeToKeycode(int32_t deviceId, int scancode,
+ int32_t* outKeycode, uint32_t* outFlags) const {
+ Device* device = getDevice(deviceId);
+ if (device) {
+ ssize_t index = device->keys.indexOfKey(scancode);
+ if (index >= 0) {
+ if (outKeycode) {
+ *outKeycode = device->keys.valueAt(index).keyCode;
+ }
+ if (outFlags) {
+ *outFlags = device->keys.valueAt(index).flags;
+ }
+ return OK;
+ }
+ }
+ return NAME_NOT_FOUND;
+ }
+
+ virtual void addExcludedDevice(const char* deviceName) {
+ mExcludedDevices.add(String8(deviceName));
+ }
+
+ virtual bool getEvent(RawEvent* outEvent) {
+ if (mEvents.empty()) {
+ return false;
+ }
+
+ *outEvent = *mEvents.begin();
+ mEvents.erase(mEvents.begin());
+ return true;
+ }
+
+ virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const {
+ Device* device = getDevice(deviceId);
+ if (device) {
+ ssize_t index = device->scanCodeStates.indexOfKey(scanCode);
+ if (index >= 0) {
+ return device->scanCodeStates.valueAt(index);
+ }
+ }
+ return AKEY_STATE_UNKNOWN;
+ }
+
+ virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const {
+ Device* device = getDevice(deviceId);
+ if (device) {
+ ssize_t index = device->keyCodeStates.indexOfKey(keyCode);
+ if (index >= 0) {
+ return device->keyCodeStates.valueAt(index);
+ }
+ }
+ return AKEY_STATE_UNKNOWN;
+ }
+
+ virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const {
+ Device* device = getDevice(deviceId);
+ if (device) {
+ ssize_t index = device->switchStates.indexOfKey(sw);
+ if (index >= 0) {
+ return device->switchStates.valueAt(index);
+ }
+ }
+ return AKEY_STATE_UNKNOWN;
+ }
+
+ virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
+ uint8_t* outFlags) const {
+ bool result = false;
+ Device* device = getDevice(deviceId);
+ if (device) {
+ for (size_t i = 0; i < numCodes; i++) {
+ for (size_t j = 0; j < device->keys.size(); j++) {
+ if (keyCodes[i] == device->keys.valueAt(j).keyCode) {
+ outFlags[i] = 1;
+ result = true;
+ }
+ }
+ }
+ }
+ return result;
+ }
+
+ virtual bool hasLed(int32_t deviceId, int32_t led) const {
+ Device* device = getDevice(deviceId);
+ return device && device->leds.indexOfKey(led) >= 0;
+ }
+
+ virtual void setLedState(int32_t deviceId, int32_t led, bool on) {
+ Device* device = getDevice(deviceId);
+ if (device) {
+ ssize_t index = device->leds.indexOfKey(led);
+ if (index >= 0) {
+ device->leds.replaceValueAt(led, on);
+ } else {
+ ADD_FAILURE()
+ << "Attempted to set the state of an LED that the EventHub declared "
+ "was not present. led=" << led;
+ }
+ }
+ }
+
+ virtual void getVirtualKeyDefinitions(int32_t deviceId,
+ Vector<VirtualKeyDefinition>& outVirtualKeys) const {
+ outVirtualKeys.clear();
+
+ Device* device = getDevice(deviceId);
+ if (device) {
+ outVirtualKeys.appendVector(device->virtualKeys);
+ }
+ }
+
+ virtual void dump(String8& dump) {
+ }
+};
+
+
+// --- FakeInputReaderContext ---
+
+class FakeInputReaderContext : public InputReaderContext {
+ sp<EventHubInterface> mEventHub;
+ sp<InputReaderPolicyInterface> mPolicy;
+ sp<InputDispatcherInterface> mDispatcher;
+ int32_t mGlobalMetaState;
+ bool mUpdateGlobalMetaStateWasCalled;
+
+public:
+ FakeInputReaderContext(const sp<EventHubInterface>& eventHub,
+ const sp<InputReaderPolicyInterface>& policy,
+ const sp<InputDispatcherInterface>& dispatcher) :
+ mEventHub(eventHub), mPolicy(policy), mDispatcher(dispatcher),
+ mGlobalMetaState(0) {
+ }
+
+ virtual ~FakeInputReaderContext() { }
+
+ void assertUpdateGlobalMetaStateWasCalled() {
+ ASSERT_TRUE(mUpdateGlobalMetaStateWasCalled)
+ << "Expected updateGlobalMetaState() to have been called.";
+ mUpdateGlobalMetaStateWasCalled = false;
+ }
+
+ void setGlobalMetaState(int32_t state) {
+ mGlobalMetaState = state;
+ }
+
+private:
+ virtual void updateGlobalMetaState() {
+ mUpdateGlobalMetaStateWasCalled = true;
+ }
+
+ virtual int32_t getGlobalMetaState() {
+ return mGlobalMetaState;
+ }
+
+ virtual EventHubInterface* getEventHub() {
+ return mEventHub.get();
+ }
+
+ virtual InputReaderPolicyInterface* getPolicy() {
+ return mPolicy.get();
+ }
+
+ virtual InputDispatcherInterface* getDispatcher() {
+ return mDispatcher.get();
+ }
+};
+
+
+// --- FakeInputMapper ---
+
+class FakeInputMapper : public InputMapper {
+ uint32_t mSources;
+ int32_t mKeyboardType;
+ int32_t mMetaState;
+ KeyedVector<int32_t, int32_t> mKeyCodeStates;
+ KeyedVector<int32_t, int32_t> mScanCodeStates;
+ KeyedVector<int32_t, int32_t> mSwitchStates;
+ Vector<int32_t> mSupportedKeyCodes;
+ RawEvent mLastEvent;
+
+ bool mConfigureWasCalled;
+ bool mResetWasCalled;
+ bool mProcessWasCalled;
+
+public:
+ FakeInputMapper(InputDevice* device, uint32_t sources) :
+ InputMapper(device),
+ mSources(sources), mKeyboardType(AINPUT_KEYBOARD_TYPE_NONE),
+ mMetaState(0),
+ mConfigureWasCalled(false), mResetWasCalled(false), mProcessWasCalled(false) {
+ }
+
+ virtual ~FakeInputMapper() { }
+
+ void setKeyboardType(int32_t keyboardType) {
+ mKeyboardType = keyboardType;
+ }
+
+ void setMetaState(int32_t metaState) {
+ mMetaState = metaState;
+ }
+
+ void assertConfigureWasCalled() {
+ ASSERT_TRUE(mConfigureWasCalled)
+ << "Expected configure() to have been called.";
+ mConfigureWasCalled = false;
+ }
+
+ void assertResetWasCalled() {
+ ASSERT_TRUE(mResetWasCalled)
+ << "Expected reset() to have been called.";
+ mResetWasCalled = false;
+ }
+
+ void assertProcessWasCalled(RawEvent* outLastEvent = NULL) {
+ ASSERT_TRUE(mProcessWasCalled)
+ << "Expected process() to have been called.";
+ if (outLastEvent) {
+ *outLastEvent = mLastEvent;
+ }
+ mProcessWasCalled = false;
+ }
+
+ void setKeyCodeState(int32_t keyCode, int32_t state) {
+ mKeyCodeStates.replaceValueFor(keyCode, state);
+ }
+
+ void setScanCodeState(int32_t scanCode, int32_t state) {
+ mScanCodeStates.replaceValueFor(scanCode, state);
+ }
+
+ void setSwitchState(int32_t switchCode, int32_t state) {
+ mSwitchStates.replaceValueFor(switchCode, state);
+ }
+
+ void addSupportedKeyCode(int32_t keyCode) {
+ mSupportedKeyCodes.add(keyCode);
+ }
+
+private:
+ virtual uint32_t getSources() {
+ return mSources;
+ }
+
+ virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) {
+ InputMapper::populateDeviceInfo(deviceInfo);
+
+ if (mKeyboardType != AINPUT_KEYBOARD_TYPE_NONE) {
+ deviceInfo->setKeyboardType(mKeyboardType);
+ }
+ }
+
+ virtual void configure() {
+ mConfigureWasCalled = true;
+ }
+
+ virtual void reset() {
+ mResetWasCalled = true;
+ }
+
+ virtual void process(const RawEvent* rawEvent) {
+ mLastEvent = *rawEvent;
+ mProcessWasCalled = true;
+ }
+
+ virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
+ ssize_t index = mKeyCodeStates.indexOfKey(keyCode);
+ return index >= 0 ? mKeyCodeStates.valueAt(index) : AKEY_STATE_UNKNOWN;
+ }
+
+ virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+ ssize_t index = mScanCodeStates.indexOfKey(scanCode);
+ return index >= 0 ? mScanCodeStates.valueAt(index) : AKEY_STATE_UNKNOWN;
+ }
+
+ virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode) {
+ ssize_t index = mSwitchStates.indexOfKey(switchCode);
+ return index >= 0 ? mSwitchStates.valueAt(index) : AKEY_STATE_UNKNOWN;
+ }
+
+ virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+ const int32_t* keyCodes, uint8_t* outFlags) {
+ bool result = false;
+ for (size_t i = 0; i < numCodes; i++) {
+ for (size_t j = 0; j < mSupportedKeyCodes.size(); j++) {
+ if (keyCodes[i] == mSupportedKeyCodes[j]) {
+ outFlags[i] = 1;
+ result = true;
+ }
+ }
+ }
+ return result;
+ }
+
+ virtual int32_t getMetaState() {
+ return mMetaState;
+ }
+};
+
+
+// --- InstrumentedInputReader ---
+
+class InstrumentedInputReader : public InputReader {
+ InputDevice* mNextDevice;
+
+public:
+ InstrumentedInputReader(const sp<EventHubInterface>& eventHub,
+ const sp<InputReaderPolicyInterface>& policy,
+ const sp<InputDispatcherInterface>& dispatcher) :
+ InputReader(eventHub, policy, dispatcher) {
+ }
+
+ virtual ~InstrumentedInputReader() {
+ if (mNextDevice) {
+ delete mNextDevice;
+ }
+ }
+
+ void setNextDevice(InputDevice* device) {
+ mNextDevice = device;
+ }
+
+protected:
+ virtual InputDevice* createDevice(int32_t deviceId, const String8& name, uint32_t classes) {
+ if (mNextDevice) {
+ InputDevice* device = mNextDevice;
+ mNextDevice = NULL;
+ return device;
+ }
+ return InputReader::createDevice(deviceId, name, classes);
+ }
+
+ friend class InputReaderTest;
+};
+
+
+// --- InputReaderTest ---
+
+class InputReaderTest : public testing::Test {
+protected:
+ sp<FakeInputDispatcher> mFakeDispatcher;
+ sp<FakeInputReaderPolicy> mFakePolicy;
+ sp<FakeEventHub> mFakeEventHub;
+ sp<InstrumentedInputReader> mReader;
+
+ virtual void SetUp() {
+ mFakeEventHub = new FakeEventHub();
+ mFakePolicy = new FakeInputReaderPolicy();
+ mFakeDispatcher = new FakeInputDispatcher();
+
+ mReader = new InstrumentedInputReader(mFakeEventHub, mFakePolicy, mFakeDispatcher);
+ }
+
+ virtual void TearDown() {
+ mReader.clear();
+
+ mFakeDispatcher.clear();
+ mFakePolicy.clear();
+ mFakeEventHub.clear();
+ }
+
+ void addDevice(int32_t deviceId, const String8& name, uint32_t classes,
+ const PropertyMap* configuration) {
+ mFakeEventHub->addDevice(deviceId, name, classes);
+ if (configuration) {
+ mFakeEventHub->addConfigurationMap(deviceId, configuration);
+ }
+ mFakeEventHub->finishDeviceScan();
+ mReader->loopOnce();
+ mReader->loopOnce();
+ mFakeEventHub->assertQueueIsEmpty();
+ }
+
+ FakeInputMapper* addDeviceWithFakeInputMapper(int32_t deviceId,
+ const String8& name, uint32_t classes, uint32_t sources,
+ const PropertyMap* configuration) {
+ InputDevice* device = new InputDevice(mReader.get(), deviceId, name);
+ FakeInputMapper* mapper = new FakeInputMapper(device, sources);
+ device->addMapper(mapper);
+ mReader->setNextDevice(device);
+ addDevice(deviceId, name, classes, configuration);
+ return mapper;
+ }
+};
+
+TEST_F(InputReaderTest, GetInputConfiguration_WhenNoDevices_ReturnsDefaults) {
+ InputConfiguration config;
+ mReader->getInputConfiguration(&config);
+
+ ASSERT_EQ(InputConfiguration::KEYBOARD_NOKEYS, config.keyboard);
+ ASSERT_EQ(InputConfiguration::NAVIGATION_NONAV, config.navigation);
+ ASSERT_EQ(InputConfiguration::TOUCHSCREEN_NOTOUCH, config.touchScreen);
+}
+
+TEST_F(InputReaderTest, GetInputConfiguration_WhenAlphabeticKeyboardPresent_ReturnsQwertyKeyboard) {
+ ASSERT_NO_FATAL_FAILURE(addDevice(0, String8("keyboard"),
+ INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_ALPHAKEY, NULL));
+
+ InputConfiguration config;
+ mReader->getInputConfiguration(&config);
+
+ ASSERT_EQ(InputConfiguration::KEYBOARD_QWERTY, config.keyboard);
+ ASSERT_EQ(InputConfiguration::NAVIGATION_NONAV, config.navigation);
+ ASSERT_EQ(InputConfiguration::TOUCHSCREEN_NOTOUCH, config.touchScreen);
+}
+
+TEST_F(InputReaderTest, GetInputConfiguration_WhenTouchScreenPresent_ReturnsFingerTouchScreen) {
+ ASSERT_NO_FATAL_FAILURE(addDevice(0, String8("touchscreen"),
+ INPUT_DEVICE_CLASS_TOUCHSCREEN, NULL));
+
+ InputConfiguration config;
+ mReader->getInputConfiguration(&config);
+
+ ASSERT_EQ(InputConfiguration::KEYBOARD_NOKEYS, config.keyboard);
+ ASSERT_EQ(InputConfiguration::NAVIGATION_NONAV, config.navigation);
+ ASSERT_EQ(InputConfiguration::TOUCHSCREEN_FINGER, config.touchScreen);
+}
+
+TEST_F(InputReaderTest, GetInputConfiguration_WhenMousePresent_ReturnsNoNavigation) {
+ sp<FakePointerController> controller = new FakePointerController();
+ mFakePolicy->setPointerController(0, controller);
+
+ PropertyMap configuration;
+ configuration.addProperty(String8("cursor.mode"), String8("pointer"));
+ ASSERT_NO_FATAL_FAILURE(addDevice(0, String8("mouse"),
+ INPUT_DEVICE_CLASS_CURSOR, &configuration));
+
+ InputConfiguration config;
+ mReader->getInputConfiguration(&config);
+
+ ASSERT_EQ(InputConfiguration::KEYBOARD_NOKEYS, config.keyboard);
+ ASSERT_EQ(InputConfiguration::NAVIGATION_NONAV, config.navigation);
+ ASSERT_EQ(InputConfiguration::TOUCHSCREEN_NOTOUCH, config.touchScreen);
+}
+
+TEST_F(InputReaderTest, GetInputConfiguration_WhenTrackballPresent_ReturnsTrackballNavigation) {
+ PropertyMap configuration;
+ configuration.addProperty(String8("cursor.mode"), String8("navigation"));
+ ASSERT_NO_FATAL_FAILURE(addDevice(0, String8("trackball"),
+ INPUT_DEVICE_CLASS_CURSOR, &configuration));
+
+ InputConfiguration config;
+ mReader->getInputConfiguration(&config);
+
+ ASSERT_EQ(InputConfiguration::KEYBOARD_NOKEYS, config.keyboard);
+ ASSERT_EQ(InputConfiguration::NAVIGATION_TRACKBALL, config.navigation);
+ ASSERT_EQ(InputConfiguration::TOUCHSCREEN_NOTOUCH, config.touchScreen);
+}
+
+TEST_F(InputReaderTest, GetInputConfiguration_WhenDPadPresent_ReturnsDPadNavigation) {
+ ASSERT_NO_FATAL_FAILURE(addDevice(0, String8("dpad"),
+ INPUT_DEVICE_CLASS_DPAD, NULL));
+
+ InputConfiguration config;
+ mReader->getInputConfiguration(&config);
+
+ ASSERT_EQ(InputConfiguration::KEYBOARD_NOKEYS, config.keyboard);
+ ASSERT_EQ(InputConfiguration::NAVIGATION_DPAD, config.navigation);
+ ASSERT_EQ(InputConfiguration::TOUCHSCREEN_NOTOUCH, config.touchScreen);
+}
+
+TEST_F(InputReaderTest, GetInputDeviceInfo_WhenDeviceIdIsValid) {
+ ASSERT_NO_FATAL_FAILURE(addDevice(1, String8("keyboard"),
+ INPUT_DEVICE_CLASS_KEYBOARD, NULL));
+
+ InputDeviceInfo info;
+ status_t result = mReader->getInputDeviceInfo(1, &info);
+
+ ASSERT_EQ(OK, result);
+ ASSERT_EQ(1, info.getId());
+ ASSERT_STREQ("keyboard", info.getName().string());
+ ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, info.getKeyboardType());
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, info.getSources());
+ ASSERT_EQ(size_t(0), info.getMotionRanges().size());
+}
+
+TEST_F(InputReaderTest, GetInputDeviceInfo_WhenDeviceIdIsInvalid) {
+ InputDeviceInfo info;
+ status_t result = mReader->getInputDeviceInfo(-1, &info);
+
+ ASSERT_EQ(NAME_NOT_FOUND, result);
+}
+
+TEST_F(InputReaderTest, GetInputDeviceInfo_WhenDeviceIdIsIgnored) {
+ addDevice(1, String8("ignored"), 0, NULL); // no classes so device will be ignored
+
+ InputDeviceInfo info;
+ status_t result = mReader->getInputDeviceInfo(1, &info);
+
+ ASSERT_EQ(NAME_NOT_FOUND, result);
+}
+
+TEST_F(InputReaderTest, GetInputDeviceIds) {
+ sp<FakePointerController> controller = new FakePointerController();
+ mFakePolicy->setPointerController(2, controller);
+
+ ASSERT_NO_FATAL_FAILURE(addDevice(1, String8("keyboard"),
+ INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_ALPHAKEY, NULL));
+ ASSERT_NO_FATAL_FAILURE(addDevice(2, String8("mouse"),
+ INPUT_DEVICE_CLASS_CURSOR, NULL));
+
+ Vector<int32_t> ids;
+ mReader->getInputDeviceIds(ids);
+
+ ASSERT_EQ(size_t(2), ids.size());
+ ASSERT_EQ(1, ids[0]);
+ ASSERT_EQ(2, ids[1]);
+}
+
+TEST_F(InputReaderTest, GetKeyCodeState_ForwardsRequestsToMappers) {
+ FakeInputMapper* mapper = NULL;
+ ASSERT_NO_FATAL_FAILURE(mapper = addDeviceWithFakeInputMapper(1, String8("fake"),
+ INPUT_DEVICE_CLASS_KEYBOARD, AINPUT_SOURCE_KEYBOARD, NULL));
+ mapper->setKeyCodeState(AKEYCODE_A, AKEY_STATE_DOWN);
+
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getKeyCodeState(0,
+ AINPUT_SOURCE_ANY, AKEYCODE_A))
+ << "Should return unknown when the device id is >= 0 but unknown.";
+
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getKeyCodeState(1,
+ AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+ << "Should return unknown when the device id is valid but the sources are not supported by the device.";
+
+ ASSERT_EQ(AKEY_STATE_DOWN, mReader->getKeyCodeState(1,
+ AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+ << "Should return value provided by mapper when device id is valid and the device supports some of the sources.";
+
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getKeyCodeState(-1,
+ AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+ << "Should return unknown when the device id is < 0 but the sources are not supported by any device.";
+
+ ASSERT_EQ(AKEY_STATE_DOWN, mReader->getKeyCodeState(-1,
+ AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+ << "Should return value provided by mapper when device id is < 0 and one of the devices supports some of the sources.";
+}
+
+TEST_F(InputReaderTest, GetScanCodeState_ForwardsRequestsToMappers) {
+ FakeInputMapper* mapper = NULL;
+ ASSERT_NO_FATAL_FAILURE(mapper = addDeviceWithFakeInputMapper(1, String8("fake"),
+ INPUT_DEVICE_CLASS_KEYBOARD, AINPUT_SOURCE_KEYBOARD, NULL));
+ mapper->setScanCodeState(KEY_A, AKEY_STATE_DOWN);
+
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getScanCodeState(0,
+ AINPUT_SOURCE_ANY, KEY_A))
+ << "Should return unknown when the device id is >= 0 but unknown.";
+
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getScanCodeState(1,
+ AINPUT_SOURCE_TRACKBALL, KEY_A))
+ << "Should return unknown when the device id is valid but the sources are not supported by the device.";
+
+ ASSERT_EQ(AKEY_STATE_DOWN, mReader->getScanCodeState(1,
+ AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, KEY_A))
+ << "Should return value provided by mapper when device id is valid and the device supports some of the sources.";
+
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getScanCodeState(-1,
+ AINPUT_SOURCE_TRACKBALL, KEY_A))
+ << "Should return unknown when the device id is < 0 but the sources are not supported by any device.";
+
+ ASSERT_EQ(AKEY_STATE_DOWN, mReader->getScanCodeState(-1,
+ AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, KEY_A))
+ << "Should return value provided by mapper when device id is < 0 and one of the devices supports some of the sources.";
+}
+
+TEST_F(InputReaderTest, GetSwitchState_ForwardsRequestsToMappers) {
+ FakeInputMapper* mapper = NULL;
+ ASSERT_NO_FATAL_FAILURE(mapper = addDeviceWithFakeInputMapper(1, String8("fake"),
+ INPUT_DEVICE_CLASS_KEYBOARD, AINPUT_SOURCE_KEYBOARD, NULL));
+ mapper->setSwitchState(SW_LID, AKEY_STATE_DOWN);
+
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getSwitchState(0,
+ AINPUT_SOURCE_ANY, SW_LID))
+ << "Should return unknown when the device id is >= 0 but unknown.";
+
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getSwitchState(1,
+ AINPUT_SOURCE_TRACKBALL, SW_LID))
+ << "Should return unknown when the device id is valid but the sources are not supported by the device.";
+
+ ASSERT_EQ(AKEY_STATE_DOWN, mReader->getSwitchState(1,
+ AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, SW_LID))
+ << "Should return value provided by mapper when device id is valid and the device supports some of the sources.";
+
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getSwitchState(-1,
+ AINPUT_SOURCE_TRACKBALL, SW_LID))
+ << "Should return unknown when the device id is < 0 but the sources are not supported by any device.";
+
+ ASSERT_EQ(AKEY_STATE_DOWN, mReader->getSwitchState(-1,
+ AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, SW_LID))
+ << "Should return value provided by mapper when device id is < 0 and one of the devices supports some of the sources.";
+}
+
+TEST_F(InputReaderTest, MarkSupportedKeyCodes_ForwardsRequestsToMappers) {
+ FakeInputMapper* mapper = NULL;
+ ASSERT_NO_FATAL_FAILURE(mapper = addDeviceWithFakeInputMapper(1, String8("fake"),
+ INPUT_DEVICE_CLASS_KEYBOARD, AINPUT_SOURCE_KEYBOARD, NULL));
+ mapper->addSupportedKeyCode(AKEYCODE_A);
+ mapper->addSupportedKeyCode(AKEYCODE_B);
+
+ const int32_t keyCodes[4] = { AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2 };
+ uint8_t flags[4] = { 0, 0, 0, 1 };
+
+ ASSERT_FALSE(mReader->hasKeys(0, AINPUT_SOURCE_ANY, 4, keyCodes, flags))
+ << "Should return false when device id is >= 0 but unknown.";
+ ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
+
+ flags[3] = 1;
+ ASSERT_FALSE(mReader->hasKeys(1, AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+ << "Should return false when device id is valid but the sources are not supported by the device.";
+ ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
+
+ flags[3] = 1;
+ ASSERT_TRUE(mReader->hasKeys(1, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+ << "Should return value provided by mapper when device id is valid and the device supports some of the sources.";
+ ASSERT_TRUE(flags[0] && flags[1] && !flags[2] && !flags[3]);
+
+ flags[3] = 1;
+ ASSERT_FALSE(mReader->hasKeys(-1, AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+ << "Should return false when the device id is < 0 but the sources are not supported by any device.";
+ ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
+
+ flags[3] = 1;
+ ASSERT_TRUE(mReader->hasKeys(-1, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+ << "Should return value provided by mapper when device id is < 0 and one of the devices supports some of the sources.";
+ ASSERT_TRUE(flags[0] && flags[1] && !flags[2] && !flags[3]);
+}
+
+TEST_F(InputReaderTest, LoopOnce_WhenDeviceScanFinished_SendsConfigurationChanged) {
+ addDevice(1, String8("ignored"), INPUT_DEVICE_CLASS_KEYBOARD, NULL);
+
+ FakeInputDispatcher::NotifyConfigurationChangedArgs args;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyConfigurationChangedWasCalled(&args));
+ ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+}
+
+TEST_F(InputReaderTest, LoopOnce_ForwardsRawEventsToMappers) {
+ FakeInputMapper* mapper = NULL;
+ ASSERT_NO_FATAL_FAILURE(mapper = addDeviceWithFakeInputMapper(1, String8("fake"),
+ INPUT_DEVICE_CLASS_KEYBOARD, AINPUT_SOURCE_KEYBOARD, NULL));
+
+ mFakeEventHub->enqueueEvent(0, 1, EV_KEY, KEY_A, AKEYCODE_A, 1, POLICY_FLAG_WAKE);
+ mReader->loopOnce();
+ ASSERT_NO_FATAL_FAILURE(mFakeEventHub->assertQueueIsEmpty());
+
+ RawEvent event;
+ ASSERT_NO_FATAL_FAILURE(mapper->assertProcessWasCalled(&event));
+ ASSERT_EQ(0, event.when);
+ ASSERT_EQ(1, event.deviceId);
+ ASSERT_EQ(EV_KEY, event.type);
+ ASSERT_EQ(KEY_A, event.scanCode);
+ ASSERT_EQ(AKEYCODE_A, event.keyCode);
+ ASSERT_EQ(1, event.value);
+ ASSERT_EQ(POLICY_FLAG_WAKE, event.flags);
+}
+
+
+// --- InputDeviceTest ---
+
+class InputDeviceTest : public testing::Test {
+protected:
+ static const char* DEVICE_NAME;
+ static const int32_t DEVICE_ID;
+
+ sp<FakeEventHub> mFakeEventHub;
+ sp<FakeInputReaderPolicy> mFakePolicy;
+ sp<FakeInputDispatcher> mFakeDispatcher;
+ FakeInputReaderContext* mFakeContext;
+
+ InputDevice* mDevice;
+
+ virtual void SetUp() {
+ mFakeEventHub = new FakeEventHub();
+ mFakePolicy = new FakeInputReaderPolicy();
+ mFakeDispatcher = new FakeInputDispatcher();
+ mFakeContext = new FakeInputReaderContext(mFakeEventHub, mFakePolicy, mFakeDispatcher);
+
+ mFakeEventHub->addDevice(DEVICE_ID, String8(DEVICE_NAME), 0);
+ mDevice = new InputDevice(mFakeContext, DEVICE_ID, String8(DEVICE_NAME));
+ }
+
+ virtual void TearDown() {
+ delete mDevice;
+
+ delete mFakeContext;
+ mFakeDispatcher.clear();
+ mFakePolicy.clear();
+ mFakeEventHub.clear();
+ }
+};
+
+const char* InputDeviceTest::DEVICE_NAME = "device";
+const int32_t InputDeviceTest::DEVICE_ID = 1;
+
+TEST_F(InputDeviceTest, ImmutableProperties) {
+ ASSERT_EQ(DEVICE_ID, mDevice->getId());
+ ASSERT_STREQ(DEVICE_NAME, mDevice->getName());
+}
+
+TEST_F(InputDeviceTest, WhenNoMappersAreRegistered_DeviceIsIgnored) {
+ // Configuration.
+ mDevice->configure();
+
+ // Metadata.
+ ASSERT_TRUE(mDevice->isIgnored());
+ ASSERT_EQ(AINPUT_SOURCE_UNKNOWN, mDevice->getSources());
+
+ InputDeviceInfo info;
+ mDevice->getDeviceInfo(&info);
+ ASSERT_EQ(DEVICE_ID, info.getId());
+ ASSERT_STREQ(DEVICE_NAME, info.getName().string());
+ ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NONE, info.getKeyboardType());
+ ASSERT_EQ(AINPUT_SOURCE_UNKNOWN, info.getSources());
+
+ // State queries.
+ ASSERT_EQ(0, mDevice->getMetaState());
+
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getKeyCodeState(AINPUT_SOURCE_KEYBOARD, 0))
+ << "Ignored device should return unknown key code state.";
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getScanCodeState(AINPUT_SOURCE_KEYBOARD, 0))
+ << "Ignored device should return unknown scan code state.";
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getSwitchState(AINPUT_SOURCE_KEYBOARD, 0))
+ << "Ignored device should return unknown switch state.";
+
+ const int32_t keyCodes[2] = { AKEYCODE_A, AKEYCODE_B };
+ uint8_t flags[2] = { 0, 1 };
+ ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, 2, keyCodes, flags))
+ << "Ignored device should never mark any key codes.";
+ ASSERT_EQ(0, flags[0]) << "Flag for unsupported key should be unchanged.";
+ ASSERT_EQ(1, flags[1]) << "Flag for unsupported key should be unchanged.";
+
+ // Reset.
+ mDevice->reset();
+}
+
+TEST_F(InputDeviceTest, WhenMappersAreRegistered_DeviceIsNotIgnoredAndForwardsRequestsToMappers) {
+ // Configuration.
+ mFakeEventHub->addConfigurationProperty(DEVICE_ID, String8("key"), String8("value"));
+
+ FakeInputMapper* mapper1 = new FakeInputMapper(mDevice, AINPUT_SOURCE_KEYBOARD);
+ mapper1->setKeyboardType(AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ mapper1->setMetaState(AMETA_ALT_ON);
+ mapper1->addSupportedKeyCode(AKEYCODE_A);
+ mapper1->addSupportedKeyCode(AKEYCODE_B);
+ mapper1->setKeyCodeState(AKEYCODE_A, AKEY_STATE_DOWN);
+ mapper1->setKeyCodeState(AKEYCODE_B, AKEY_STATE_UP);
+ mapper1->setScanCodeState(2, AKEY_STATE_DOWN);
+ mapper1->setScanCodeState(3, AKEY_STATE_UP);
+ mapper1->setSwitchState(4, AKEY_STATE_DOWN);
+ mDevice->addMapper(mapper1);
+
+ FakeInputMapper* mapper2 = new FakeInputMapper(mDevice, AINPUT_SOURCE_TOUCHSCREEN);
+ mapper2->setMetaState(AMETA_SHIFT_ON);
+ mDevice->addMapper(mapper2);
+
+ mDevice->configure();
+
+ String8 propertyValue;
+ ASSERT_TRUE(mDevice->getConfiguration().tryGetProperty(String8("key"), propertyValue))
+ << "Device should have read configuration during configuration phase.";
+ ASSERT_STREQ("value", propertyValue.string());
+
+ ASSERT_NO_FATAL_FAILURE(mapper1->assertConfigureWasCalled());
+ ASSERT_NO_FATAL_FAILURE(mapper2->assertConfigureWasCalled());
+
+ // Metadata.
+ ASSERT_FALSE(mDevice->isIgnored());
+ ASSERT_EQ(uint32_t(AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TOUCHSCREEN), mDevice->getSources());
+
+ InputDeviceInfo info;
+ mDevice->getDeviceInfo(&info);
+ ASSERT_EQ(DEVICE_ID, info.getId());
+ ASSERT_STREQ(DEVICE_NAME, info.getName().string());
+ ASSERT_EQ(AINPUT_KEYBOARD_TYPE_ALPHABETIC, info.getKeyboardType());
+ ASSERT_EQ(uint32_t(AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TOUCHSCREEN), info.getSources());
+
+ // State queries.
+ ASSERT_EQ(AMETA_ALT_ON | AMETA_SHIFT_ON, mDevice->getMetaState())
+ << "Should query mappers and combine meta states.";
+
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getKeyCodeState(AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+ << "Should return unknown key code state when source not supported.";
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getScanCodeState(AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+ << "Should return unknown scan code state when source not supported.";
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getSwitchState(AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+ << "Should return unknown switch state when source not supported.";
+
+ ASSERT_EQ(AKEY_STATE_DOWN, mDevice->getKeyCodeState(AINPUT_SOURCE_KEYBOARD, AKEYCODE_A))
+ << "Should query mapper when source is supported.";
+ ASSERT_EQ(AKEY_STATE_UP, mDevice->getScanCodeState(AINPUT_SOURCE_KEYBOARD, 3))
+ << "Should query mapper when source is supported.";
+ ASSERT_EQ(AKEY_STATE_DOWN, mDevice->getSwitchState(AINPUT_SOURCE_KEYBOARD, 4))
+ << "Should query mapper when source is supported.";
+
+ const int32_t keyCodes[4] = { AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2 };
+ uint8_t flags[4] = { 0, 0, 0, 1 };
+ ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+ << "Should do nothing when source is unsupported.";
+ ASSERT_EQ(0, flags[0]) << "Flag should be unchanged when source is unsupported.";
+ ASSERT_EQ(0, flags[1]) << "Flag should be unchanged when source is unsupported.";
+ ASSERT_EQ(0, flags[2]) << "Flag should be unchanged when source is unsupported.";
+ ASSERT_EQ(1, flags[3]) << "Flag should be unchanged when source is unsupported.";
+
+ ASSERT_TRUE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, 4, keyCodes, flags))
+ << "Should query mapper when source is supported.";
+ ASSERT_EQ(1, flags[0]) << "Flag for supported key should be set.";
+ ASSERT_EQ(1, flags[1]) << "Flag for supported key should be set.";
+ ASSERT_EQ(0, flags[2]) << "Flag for unsupported key should be unchanged.";
+ ASSERT_EQ(1, flags[3]) << "Flag for unsupported key should be unchanged.";
+
+ // Event handling.
+ RawEvent event;
+ mDevice->process(&event);
+
+ ASSERT_NO_FATAL_FAILURE(mapper1->assertProcessWasCalled());
+ ASSERT_NO_FATAL_FAILURE(mapper2->assertProcessWasCalled());
+
+ // Reset.
+ mDevice->reset();
+
+ ASSERT_NO_FATAL_FAILURE(mapper1->assertResetWasCalled());
+ ASSERT_NO_FATAL_FAILURE(mapper2->assertResetWasCalled());
+}
+
+
+// --- InputMapperTest ---
+
+class InputMapperTest : public testing::Test {
+protected:
+ static const char* DEVICE_NAME;
+ static const int32_t DEVICE_ID;
+
+ sp<FakeEventHub> mFakeEventHub;
+ sp<FakeInputReaderPolicy> mFakePolicy;
+ sp<FakeInputDispatcher> mFakeDispatcher;
+ FakeInputReaderContext* mFakeContext;
+ InputDevice* mDevice;
+
+ virtual void SetUp() {
+ mFakeEventHub = new FakeEventHub();
+ mFakePolicy = new FakeInputReaderPolicy();
+ mFakeDispatcher = new FakeInputDispatcher();
+ mFakeContext = new FakeInputReaderContext(mFakeEventHub, mFakePolicy, mFakeDispatcher);
+ mDevice = new InputDevice(mFakeContext, DEVICE_ID, String8(DEVICE_NAME));
+
+ mFakeEventHub->addDevice(DEVICE_ID, String8(DEVICE_NAME), 0);
+ }
+
+ virtual void TearDown() {
+ delete mDevice;
+ delete mFakeContext;
+ mFakeDispatcher.clear();
+ mFakePolicy.clear();
+ mFakeEventHub.clear();
+ }
+
+ void addConfigurationProperty(const char* key, const char* value) {
+ mFakeEventHub->addConfigurationProperty(DEVICE_ID, String8(key), String8(value));
+ }
+
+ void addMapperAndConfigure(InputMapper* mapper) {
+ mDevice->addMapper(mapper);
+ mDevice->configure();
+ }
+
+ static void process(InputMapper* mapper, nsecs_t when, int32_t deviceId, int32_t type,
+ int32_t scanCode, int32_t keyCode, int32_t value, uint32_t flags) {
+ RawEvent event;
+ event.when = when;
+ event.deviceId = deviceId;
+ event.type = type;
+ event.scanCode = scanCode;
+ event.keyCode = keyCode;
+ event.value = value;
+ event.flags = flags;
+ mapper->process(&event);
+ }
+
+ static void assertMotionRange(const InputDeviceInfo& info,
+ int32_t rangeType, float min, float max, float flat, float fuzz) {
+ const InputDeviceInfo::MotionRange* range = info.getMotionRange(rangeType);
+ ASSERT_TRUE(range != NULL) << "Range: " << rangeType;
+ ASSERT_NEAR(min, range->min, EPSILON) << "Range: " << rangeType;
+ ASSERT_NEAR(max, range->max, EPSILON) << "Range: " << rangeType;
+ ASSERT_NEAR(flat, range->flat, EPSILON) << "Range: " << rangeType;
+ ASSERT_NEAR(fuzz, range->fuzz, EPSILON) << "Range: " << rangeType;
+ }
+
+ static void assertPointerCoords(const PointerCoords& coords,
+ float x, float y, float pressure, float size,
+ float touchMajor, float touchMinor, float toolMajor, float toolMinor,
+ float orientation) {
+ ASSERT_NEAR(x, coords.x, 1);
+ ASSERT_NEAR(y, coords.y, 1);
+ ASSERT_NEAR(pressure, coords.pressure, EPSILON);
+ ASSERT_NEAR(size, coords.size, EPSILON);
+ ASSERT_NEAR(touchMajor, coords.touchMajor, 1);
+ ASSERT_NEAR(touchMinor, coords.touchMinor, 1);
+ ASSERT_NEAR(toolMajor, coords.toolMajor, 1);
+ ASSERT_NEAR(toolMinor, coords.toolMinor, 1);
+ ASSERT_NEAR(orientation, coords.orientation, EPSILON);
+ }
+};
+
+const char* InputMapperTest::DEVICE_NAME = "device";
+const int32_t InputMapperTest::DEVICE_ID = 1;
+
+
+// --- SwitchInputMapperTest ---
+
+class SwitchInputMapperTest : public InputMapperTest {
+protected:
+};
+
+TEST_F(SwitchInputMapperTest, GetSources) {
+ SwitchInputMapper* mapper = new SwitchInputMapper(mDevice);
+ addMapperAndConfigure(mapper);
+
+ ASSERT_EQ(uint32_t(0), mapper->getSources());
+}
+
+TEST_F(SwitchInputMapperTest, GetSwitchState) {
+ SwitchInputMapper* mapper = new SwitchInputMapper(mDevice);
+ addMapperAndConfigure(mapper);
+
+ mFakeEventHub->setSwitchState(DEVICE_ID, SW_LID, 1);
+ ASSERT_EQ(1, mapper->getSwitchState(AINPUT_SOURCE_ANY, SW_LID));
+
+ mFakeEventHub->setSwitchState(DEVICE_ID, SW_LID, 0);
+ ASSERT_EQ(0, mapper->getSwitchState(AINPUT_SOURCE_ANY, SW_LID));
+}
+
+TEST_F(SwitchInputMapperTest, Process) {
+ SwitchInputMapper* mapper = new SwitchInputMapper(mDevice);
+ addMapperAndConfigure(mapper);
+
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SW, SW_LID, 0, 1, 0);
+
+ FakeInputDispatcher::NotifySwitchArgs args;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifySwitchWasCalled(&args));
+ ASSERT_EQ(ARBITRARY_TIME, args.when);
+ ASSERT_EQ(SW_LID, args.switchCode);
+ ASSERT_EQ(1, args.switchValue);
+ ASSERT_EQ(uint32_t(0), args.policyFlags);
+}
+
+
+// --- KeyboardInputMapperTest ---
+
+class KeyboardInputMapperTest : public InputMapperTest {
+protected:
+ void testDPadKeyRotation(KeyboardInputMapper* mapper,
+ int32_t originalScanCode, int32_t originalKeyCode, int32_t rotatedKeyCode);
+};
+
+void KeyboardInputMapperTest::testDPadKeyRotation(KeyboardInputMapper* mapper,
+ int32_t originalScanCode, int32_t originalKeyCode, int32_t rotatedKeyCode) {
+ FakeInputDispatcher::NotifyKeyArgs args;
+
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, originalScanCode, originalKeyCode, 1, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
+ ASSERT_EQ(originalScanCode, args.scanCode);
+ ASSERT_EQ(rotatedKeyCode, args.keyCode);
+
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, originalScanCode, originalKeyCode, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+ ASSERT_EQ(originalScanCode, args.scanCode);
+ ASSERT_EQ(rotatedKeyCode, args.keyCode);
+}
+
+
+TEST_F(KeyboardInputMapperTest, GetSources) {
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addMapperAndConfigure(mapper);
+
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, mapper->getSources());
+}
+
+TEST_F(KeyboardInputMapperTest, Process_SimpleKeyPress) {
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addMapperAndConfigure(mapper);
+
+ // Key down.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_HOME, AKEYCODE_HOME, 1, POLICY_FLAG_WAKE);
+ FakeInputDispatcher::NotifyKeyArgs args;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(DEVICE_ID, args.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+ ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+ ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
+ ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+ ASSERT_EQ(KEY_HOME, args.scanCode);
+ ASSERT_EQ(AMETA_NONE, args.metaState);
+ ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, args.flags);
+ ASSERT_EQ(POLICY_FLAG_WAKE, args.policyFlags);
+ ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+
+ // Key up.
+ process(mapper, ARBITRARY_TIME + 1, DEVICE_ID,
+ EV_KEY, KEY_HOME, AKEYCODE_HOME, 0, POLICY_FLAG_WAKE);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(DEVICE_ID, args.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+ ASSERT_EQ(ARBITRARY_TIME + 1, args.eventTime);
+ ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+ ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+ ASSERT_EQ(KEY_HOME, args.scanCode);
+ ASSERT_EQ(AMETA_NONE, args.metaState);
+ ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, args.flags);
+ ASSERT_EQ(POLICY_FLAG_WAKE, args.policyFlags);
+ ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+}
+
+TEST_F(KeyboardInputMapperTest, Reset_WhenKeysAreNotDown_DoesNotSynthesizeKeyUp) {
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addMapperAndConfigure(mapper);
+
+ // Key down.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_HOME, AKEYCODE_HOME, 1, POLICY_FLAG_WAKE);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+ // Key up.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_HOME, AKEYCODE_HOME, 0, POLICY_FLAG_WAKE);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+ // Reset. Since no keys still down, should not synthesize any key ups.
+ mapper->reset();
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+}
+
+TEST_F(KeyboardInputMapperTest, Reset_WhenKeysAreDown_SynthesizesKeyUps) {
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addMapperAndConfigure(mapper);
+
+ // Metakey down.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_LEFTSHIFT, AKEYCODE_SHIFT_LEFT, 1, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+ // Key down.
+ process(mapper, ARBITRARY_TIME + 1, DEVICE_ID,
+ EV_KEY, KEY_A, AKEYCODE_A, 1, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+ // Reset. Since two keys are still down, should synthesize two key ups in reverse order.
+ mapper->reset();
+
+ FakeInputDispatcher::NotifyKeyArgs args;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(DEVICE_ID, args.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+ ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+ ASSERT_EQ(AKEYCODE_A, args.keyCode);
+ ASSERT_EQ(KEY_A, args.scanCode);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+ ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, args.flags);
+ ASSERT_EQ(uint32_t(0), args.policyFlags);
+ ASSERT_EQ(ARBITRARY_TIME + 1, args.downTime);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(DEVICE_ID, args.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+ ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+ ASSERT_EQ(AKEYCODE_SHIFT_LEFT, args.keyCode);
+ ASSERT_EQ(KEY_LEFTSHIFT, args.scanCode);
+ ASSERT_EQ(AMETA_NONE, args.metaState);
+ ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, args.flags);
+ ASSERT_EQ(uint32_t(0), args.policyFlags);
+ ASSERT_EQ(ARBITRARY_TIME + 1, args.downTime);
+
+ // And that's it.
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+}
+
+TEST_F(KeyboardInputMapperTest, Process_ShouldUpdateMetaState) {
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addMapperAndConfigure(mapper);
+
+ // Initial metastate.
+ ASSERT_EQ(AMETA_NONE, mapper->getMetaState());
+
+ // Metakey down.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_LEFTSHIFT, AKEYCODE_SHIFT_LEFT, 1, 0);
+ FakeInputDispatcher::NotifyKeyArgs args;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, mapper->getMetaState());
+ ASSERT_NO_FATAL_FAILURE(mFakeContext->assertUpdateGlobalMetaStateWasCalled());
+
+ // Key down.
+ process(mapper, ARBITRARY_TIME + 1, DEVICE_ID,
+ EV_KEY, KEY_A, AKEYCODE_A, 1, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, mapper->getMetaState());
+
+ // Key up.
+ process(mapper, ARBITRARY_TIME + 2, DEVICE_ID,
+ EV_KEY, KEY_A, AKEYCODE_A, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, mapper->getMetaState());
+
+ // Metakey up.
+ process(mapper, ARBITRARY_TIME + 3, DEVICE_ID,
+ EV_KEY, KEY_LEFTSHIFT, AKEYCODE_SHIFT_LEFT, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(AMETA_NONE, args.metaState);
+ ASSERT_EQ(AMETA_NONE, mapper->getMetaState());
+ ASSERT_NO_FATAL_FAILURE(mFakeContext->assertUpdateGlobalMetaStateWasCalled());
+}
+
+TEST_F(KeyboardInputMapperTest, Process_WhenNotOrientationAware_ShouldNotRotateDPad) {
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addMapperAndConfigure(mapper);
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT,
+ DISPLAY_ORIENTATION_90);
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_UP));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_RIGHT, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_RIGHT));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_DOWN, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_DOWN));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_LEFT, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_LEFT));
+}
+
+TEST_F(KeyboardInputMapperTest, Process_WhenOrientationAware_ShouldRotateDPad) {
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addConfigurationProperty("keyboard.orientationAware", "1");
+ addMapperAndConfigure(mapper);
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT,
+ DISPLAY_ORIENTATION_0);
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_UP));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_RIGHT, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_RIGHT));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_DOWN, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_DOWN));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_LEFT, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_LEFT));
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT,
+ DISPLAY_ORIENTATION_90);
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_RIGHT, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_DOWN, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_LEFT, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN));
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT,
+ DISPLAY_ORIENTATION_180);
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_DOWN));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_RIGHT, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_LEFT));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_DOWN, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_UP));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_LEFT, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_RIGHT));
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT,
+ DISPLAY_ORIENTATION_270);
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_RIGHT));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_RIGHT, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_DOWN));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_DOWN, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_LEFT));
+ ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+ KEY_LEFT, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_UP));
+
+ // Special case: if orientation changes while key is down, we still emit the same keycode
+ // in the key up as we did in the key down.
+ FakeInputDispatcher::NotifyKeyArgs args;
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT,
+ DISPLAY_ORIENTATION_270);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, KEY_UP, AKEYCODE_DPAD_UP, 1, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
+ ASSERT_EQ(KEY_UP, args.scanCode);
+ ASSERT_EQ(AKEYCODE_DPAD_RIGHT, args.keyCode);
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT,
+ DISPLAY_ORIENTATION_180);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, KEY_UP, AKEYCODE_DPAD_UP, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+ ASSERT_EQ(KEY_UP, args.scanCode);
+ ASSERT_EQ(AKEYCODE_DPAD_RIGHT, args.keyCode);
+}
+
+TEST_F(KeyboardInputMapperTest, GetKeyCodeState) {
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addMapperAndConfigure(mapper);
+
+ mFakeEventHub->setKeyCodeState(DEVICE_ID, AKEYCODE_A, 1);
+ ASSERT_EQ(1, mapper->getKeyCodeState(AINPUT_SOURCE_ANY, AKEYCODE_A));
+
+ mFakeEventHub->setKeyCodeState(DEVICE_ID, AKEYCODE_A, 0);
+ ASSERT_EQ(0, mapper->getKeyCodeState(AINPUT_SOURCE_ANY, AKEYCODE_A));
+}
+
+TEST_F(KeyboardInputMapperTest, GetScanCodeState) {
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addMapperAndConfigure(mapper);
+
+ mFakeEventHub->setScanCodeState(DEVICE_ID, KEY_A, 1);
+ ASSERT_EQ(1, mapper->getScanCodeState(AINPUT_SOURCE_ANY, KEY_A));
+
+ mFakeEventHub->setScanCodeState(DEVICE_ID, KEY_A, 0);
+ ASSERT_EQ(0, mapper->getScanCodeState(AINPUT_SOURCE_ANY, KEY_A));
+}
+
+TEST_F(KeyboardInputMapperTest, MarkSupportedKeyCodes) {
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addMapperAndConfigure(mapper);
+
+ mFakeEventHub->addKey(DEVICE_ID, KEY_A, AKEYCODE_A, 0);
+
+ const int32_t keyCodes[2] = { AKEYCODE_A, AKEYCODE_B };
+ uint8_t flags[2] = { 0, 0 };
+ ASSERT_TRUE(mapper->markSupportedKeyCodes(AINPUT_SOURCE_ANY, 1, keyCodes, flags));
+ ASSERT_TRUE(flags[0]);
+ ASSERT_FALSE(flags[1]);
+}
+
+TEST_F(KeyboardInputMapperTest, Process_LockedKeysShouldToggleMetaStateAndLeds) {
+ mFakeEventHub->addLed(DEVICE_ID, LED_CAPSL, true /*initially on*/);
+ mFakeEventHub->addLed(DEVICE_ID, LED_NUML, false /*initially off*/);
+ mFakeEventHub->addLed(DEVICE_ID, LED_SCROLLL, false /*initially off*/);
+
+ KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice,
+ AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+ addMapperAndConfigure(mapper);
+
+ // Initialization should have turned all of the lights off.
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+
+ // Toggle caps lock on.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_CAPSLOCK, AKEYCODE_CAPS_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_CAPSLOCK, AKEYCODE_CAPS_LOCK, 0, 0);
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_CAPS_LOCK_ON, mapper->getMetaState());
+
+ // Toggle num lock on.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_NUMLOCK, AKEYCODE_NUM_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_NUMLOCK, AKEYCODE_NUM_LOCK, 0, 0);
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_CAPS_LOCK_ON | AMETA_NUM_LOCK_ON, mapper->getMetaState());
+
+ // Toggle caps lock off.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_CAPSLOCK, AKEYCODE_CAPS_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_CAPSLOCK, AKEYCODE_CAPS_LOCK, 0, 0);
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_NUM_LOCK_ON, mapper->getMetaState());
+
+ // Toggle scroll lock on.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_SCROLLLOCK, AKEYCODE_SCROLL_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_SCROLLLOCK, AKEYCODE_SCROLL_LOCK, 0, 0);
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_NUM_LOCK_ON | AMETA_SCROLL_LOCK_ON, mapper->getMetaState());
+
+ // Toggle num lock off.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_NUMLOCK, AKEYCODE_NUM_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_NUMLOCK, AKEYCODE_NUM_LOCK, 0, 0);
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_TRUE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_SCROLL_LOCK_ON, mapper->getMetaState());
+
+ // Toggle scroll lock off.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_SCROLLLOCK, AKEYCODE_SCROLL_LOCK, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID,
+ EV_KEY, KEY_SCROLLLOCK, AKEYCODE_SCROLL_LOCK, 0, 0);
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_CAPSL));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_NUML));
+ ASSERT_FALSE(mFakeEventHub->getLedState(DEVICE_ID, LED_SCROLLL));
+ ASSERT_EQ(AMETA_NONE, mapper->getMetaState());
+}
+
+
+// --- CursorInputMapperTest ---
+
+class CursorInputMapperTest : public InputMapperTest {
+protected:
+ static const int32_t TRACKBALL_MOVEMENT_THRESHOLD;
+
+ sp<FakePointerController> mFakePointerController;
+
+ virtual void SetUp() {
+ InputMapperTest::SetUp();
+
+ mFakePointerController = new FakePointerController();
+ mFakePolicy->setPointerController(DEVICE_ID, mFakePointerController);
+ }
+
+ void testMotionRotation(CursorInputMapper* mapper,
+ int32_t originalX, int32_t originalY, int32_t rotatedX, int32_t rotatedY);
+};
+
+const int32_t CursorInputMapperTest::TRACKBALL_MOVEMENT_THRESHOLD = 6;
+
+void CursorInputMapperTest::testMotionRotation(CursorInputMapper* mapper,
+ int32_t originalX, int32_t originalY, int32_t rotatedX, int32_t rotatedY) {
+ FakeInputDispatcher::NotifyMotionArgs args;
+
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_X, 0, originalX, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_Y, 0, originalY, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ float(rotatedX) / TRACKBALL_MOVEMENT_THRESHOLD,
+ float(rotatedY) / TRACKBALL_MOVEMENT_THRESHOLD,
+ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+TEST_F(CursorInputMapperTest, WhenModeIsPointer_GetSources_ReturnsMouse) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "pointer");
+ addMapperAndConfigure(mapper);
+
+ ASSERT_EQ(AINPUT_SOURCE_MOUSE, mapper->getSources());
+}
+
+TEST_F(CursorInputMapperTest, WhenModeIsNavigation_GetSources_ReturnsTrackball) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "navigation");
+ addMapperAndConfigure(mapper);
+
+ ASSERT_EQ(AINPUT_SOURCE_TRACKBALL, mapper->getSources());
+}
+
+TEST_F(CursorInputMapperTest, WhenModeIsPointer_PopulateDeviceInfo_ReturnsRangeFromPointerController) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "pointer");
+ addMapperAndConfigure(mapper);
+
+ InputDeviceInfo info;
+ mapper->populateDeviceInfo(&info);
+
+ // Initially there may not be a valid motion range.
+ ASSERT_EQ(NULL, info.getMotionRange(AINPUT_MOTION_RANGE_X));
+ ASSERT_EQ(NULL, info.getMotionRange(AINPUT_MOTION_RANGE_Y));
+ ASSERT_NO_FATAL_FAILURE(assertMotionRange(info, AINPUT_MOTION_RANGE_PRESSURE,
+ 0.0f, 1.0f, 0.0f, 0.0f));
+
+ // When the bounds are set, then there should be a valid motion range.
+ mFakePointerController->setBounds(1, 2, 800, 480);
+
+ InputDeviceInfo info2;
+ mapper->populateDeviceInfo(&info2);
+
+ ASSERT_NO_FATAL_FAILURE(assertMotionRange(info2, AINPUT_MOTION_RANGE_X,
+ 1, 800, 0.0f, 0.0f));
+ ASSERT_NO_FATAL_FAILURE(assertMotionRange(info2, AINPUT_MOTION_RANGE_Y,
+ 2, 480, 0.0f, 0.0f));
+ ASSERT_NO_FATAL_FAILURE(assertMotionRange(info2, AINPUT_MOTION_RANGE_PRESSURE,
+ 0.0f, 1.0f, 0.0f, 0.0f));
+}
+
+TEST_F(CursorInputMapperTest, WhenModeIsNavigation_PopulateDeviceInfo_ReturnsScaledRange) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "navigation");
+ addMapperAndConfigure(mapper);
+
+ InputDeviceInfo info;
+ mapper->populateDeviceInfo(&info);
+
+ ASSERT_NO_FATAL_FAILURE(assertMotionRange(info, AINPUT_MOTION_RANGE_X,
+ -1.0f, 1.0f, 0.0f, 1.0f / TRACKBALL_MOVEMENT_THRESHOLD));
+ ASSERT_NO_FATAL_FAILURE(assertMotionRange(info, AINPUT_MOTION_RANGE_Y,
+ -1.0f, 1.0f, 0.0f, 1.0f / TRACKBALL_MOVEMENT_THRESHOLD));
+ ASSERT_NO_FATAL_FAILURE(assertMotionRange(info, AINPUT_MOTION_RANGE_PRESSURE,
+ 0.0f, 1.0f, 0.0f, 0.0f));
+}
+
+TEST_F(CursorInputMapperTest, Process_ShouldSetAllFieldsAndIncludeGlobalMetaState) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "navigation");
+ addMapperAndConfigure(mapper);
+
+ mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+
+ // Button press.
+ // Mostly testing non x/y behavior here so we don't need to check again elsewhere.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 1, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+ ASSERT_EQ(DEVICE_ID, args.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TRACKBALL, args.source);
+ ASSERT_EQ(uint32_t(0), args.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
+ ASSERT_EQ(0, args.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+ ASSERT_EQ(0, args.edgeFlags);
+ ASSERT_EQ(uint32_t(1), args.pointerCount);
+ ASSERT_EQ(0, args.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+ ASSERT_EQ(TRACKBALL_MOVEMENT_THRESHOLD, args.xPrecision);
+ ASSERT_EQ(TRACKBALL_MOVEMENT_THRESHOLD, args.yPrecision);
+ ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+
+ // Button release. Should have same down time.
+ process(mapper, ARBITRARY_TIME + 1, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(ARBITRARY_TIME + 1, args.eventTime);
+ ASSERT_EQ(DEVICE_ID, args.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TRACKBALL, args.source);
+ ASSERT_EQ(uint32_t(0), args.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
+ ASSERT_EQ(0, args.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+ ASSERT_EQ(0, args.edgeFlags);
+ ASSERT_EQ(uint32_t(1), args.pointerCount);
+ ASSERT_EQ(0, args.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+ ASSERT_EQ(TRACKBALL_MOVEMENT_THRESHOLD, args.xPrecision);
+ ASSERT_EQ(TRACKBALL_MOVEMENT_THRESHOLD, args.yPrecision);
+ ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+}
+
+TEST_F(CursorInputMapperTest, Process_ShouldHandleIndependentXYUpdates) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "navigation");
+ addMapperAndConfigure(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+
+ // Motion in X but not Y.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_X, 0, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ 1.0f / TRACKBALL_MOVEMENT_THRESHOLD, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+
+ // Motion in Y but not X.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_Y, 0, -2, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+ ASSERT_NEAR(0.0f, args.pointerCoords[0].x, EPSILON);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ 0.0f, -2.0f / TRACKBALL_MOVEMENT_THRESHOLD, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+TEST_F(CursorInputMapperTest, Process_ShouldHandleIndependentButtonUpdates) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "navigation");
+ addMapperAndConfigure(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+
+ // Button press without following sync.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 1, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+
+ // Button release without following sync.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+TEST_F(CursorInputMapperTest, Process_ShouldHandleCombinedXYAndButtonUpdates) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "navigation");
+ addMapperAndConfigure(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+
+ // Combined X, Y and Button.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_X, 0, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_Y, 0, -2, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ 1.0f / TRACKBALL_MOVEMENT_THRESHOLD, -2.0f / TRACKBALL_MOVEMENT_THRESHOLD,
+ 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+
+ // Move X, Y a bit while pressed.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_X, 0, 2, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_Y, 0, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ 2.0f / TRACKBALL_MOVEMENT_THRESHOLD, 1.0f / TRACKBALL_MOVEMENT_THRESHOLD,
+ 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+
+ // Release Button.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+TEST_F(CursorInputMapperTest, Reset_WhenButtonIsNotDown_ShouldNotSynthesizeButtonUp) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "navigation");
+ addMapperAndConfigure(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+
+ // Button press.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 1, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+
+ // Button release.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 0, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+
+ // Reset. Should not synthesize button up since button is not pressed.
+ mapper->reset();
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(CursorInputMapperTest, Reset_WhenButtonIsDown_ShouldSynthesizeButtonUp) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "navigation");
+ addMapperAndConfigure(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+
+ // Button press.
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 1, 0);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+
+ // Reset. Should synthesize button up.
+ mapper->reset();
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+TEST_F(CursorInputMapperTest, Process_WhenNotOrientationAware_ShouldNotRotateMotions) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "navigation");
+ addMapperAndConfigure(mapper);
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT,
+ DISPLAY_ORIENTATION_90);
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 0, 1, 0, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, 1, 1, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, 0, 1, 0));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, -1, 1, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 0, -1, 0, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, -1, -1, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, 0, -1, 0));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, 1, -1, 1));
+}
+
+TEST_F(CursorInputMapperTest, Process_WhenOrientationAware_ShouldRotateMotions) {
+ CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+ addConfigurationProperty("cursor.mode", "navigation");
+ addConfigurationProperty("cursor.orientationAware", "1");
+ addMapperAndConfigure(mapper);
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_ORIENTATION_0);
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 0, 1, 0, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, 1, 1, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, 0, 1, 0));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, -1, 1, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 0, -1, 0, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, -1, -1, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, 0, -1, 0));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, 1, -1, 1));
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_ORIENTATION_90);
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 0, 1, 1, 0));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, 1, 1, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, 0, 0, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, -1, -1, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 0, -1, -1, 0));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, -1, -1, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, 0, 0, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, 1, 1, 1));
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_ORIENTATION_180);
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 0, 1, 0, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, 1, -1, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, 0, -1, 0));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, -1, -1, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 0, -1, 0, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, -1, 1, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, 0, 1, 0));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, 1, 1, -1));
+
+ mFakePolicy->setDisplayInfo(DISPLAY_ID,
+ DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_ORIENTATION_270);
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 0, 1, -1, 0));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, 1, -1, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, 0, 0, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 1, -1, 1, 1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, 0, -1, 1, 0));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, -1, 1, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, 0, 0, -1));
+ ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, 1, -1, -1));
+}
+
+
+// --- TouchInputMapperTest ---
+
+class TouchInputMapperTest : public InputMapperTest {
+protected:
+ static const int32_t RAW_X_MIN;
+ static const int32_t RAW_X_MAX;
+ static const int32_t RAW_Y_MIN;
+ static const int32_t RAW_Y_MAX;
+ static const int32_t RAW_TOUCH_MIN;
+ static const int32_t RAW_TOUCH_MAX;
+ static const int32_t RAW_TOOL_MIN;
+ static const int32_t RAW_TOOL_MAX;
+ static const int32_t RAW_PRESSURE_MIN;
+ static const int32_t RAW_PRESSURE_MAX;
+ static const int32_t RAW_ORIENTATION_MIN;
+ static const int32_t RAW_ORIENTATION_MAX;
+ static const int32_t RAW_ID_MIN;
+ static const int32_t RAW_ID_MAX;
+ static const float X_PRECISION;
+ static const float Y_PRECISION;
+
+ static const VirtualKeyDefinition VIRTUAL_KEYS[2];
+
+ enum Axes {
+ POSITION = 1 << 0,
+ TOUCH = 1 << 1,
+ TOOL = 1 << 2,
+ PRESSURE = 1 << 3,
+ ORIENTATION = 1 << 4,
+ MINOR = 1 << 5,
+ ID = 1 << 6,
+ };
+
+ void prepareDisplay(int32_t orientation);
+ void prepareVirtualKeys();
+ int32_t toRawX(float displayX);
+ int32_t toRawY(float displayY);
+ float toDisplayX(int32_t rawX);
+ float toDisplayY(int32_t rawY);
+};
+
+const int32_t TouchInputMapperTest::RAW_X_MIN = 25;
+const int32_t TouchInputMapperTest::RAW_X_MAX = 1020;
+const int32_t TouchInputMapperTest::RAW_Y_MIN = 30;
+const int32_t TouchInputMapperTest::RAW_Y_MAX = 1010;
+const int32_t TouchInputMapperTest::RAW_TOUCH_MIN = 0;
+const int32_t TouchInputMapperTest::RAW_TOUCH_MAX = 31;
+const int32_t TouchInputMapperTest::RAW_TOOL_MIN = 0;
+const int32_t TouchInputMapperTest::RAW_TOOL_MAX = 15;
+const int32_t TouchInputMapperTest::RAW_PRESSURE_MIN = RAW_TOUCH_MIN;
+const int32_t TouchInputMapperTest::RAW_PRESSURE_MAX = RAW_TOUCH_MAX;
+const int32_t TouchInputMapperTest::RAW_ORIENTATION_MIN = -7;
+const int32_t TouchInputMapperTest::RAW_ORIENTATION_MAX = 7;
+const int32_t TouchInputMapperTest::RAW_ID_MIN = 0;
+const int32_t TouchInputMapperTest::RAW_ID_MAX = 9;
+const float TouchInputMapperTest::X_PRECISION = float(RAW_X_MAX - RAW_X_MIN) / DISPLAY_WIDTH;
+const float TouchInputMapperTest::Y_PRECISION = float(RAW_Y_MAX - RAW_Y_MIN) / DISPLAY_HEIGHT;
+
+const VirtualKeyDefinition TouchInputMapperTest::VIRTUAL_KEYS[2] = {
+ { KEY_HOME, 60, DISPLAY_HEIGHT + 15, 20, 20 },
+ { KEY_MENU, DISPLAY_HEIGHT - 60, DISPLAY_WIDTH + 15, 20, 20 },
+};
+
+void TouchInputMapperTest::prepareDisplay(int32_t orientation) {
+ mFakePolicy->setDisplayInfo(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, orientation);
+}
+
+void TouchInputMapperTest::prepareVirtualKeys() {
+ mFakeEventHub->addVirtualKeyDefinition(DEVICE_ID, VIRTUAL_KEYS[0]);
+ mFakeEventHub->addVirtualKeyDefinition(DEVICE_ID, VIRTUAL_KEYS[1]);
+ mFakeEventHub->addKey(DEVICE_ID, KEY_HOME, AKEYCODE_HOME, POLICY_FLAG_WAKE);
+ mFakeEventHub->addKey(DEVICE_ID, KEY_MENU, AKEYCODE_MENU, POLICY_FLAG_WAKE);
+}
+
+int32_t TouchInputMapperTest::toRawX(float displayX) {
+ return int32_t(displayX * (RAW_X_MAX - RAW_X_MIN) / DISPLAY_WIDTH + RAW_X_MIN);
+}
+
+int32_t TouchInputMapperTest::toRawY(float displayY) {
+ return int32_t(displayY * (RAW_Y_MAX - RAW_Y_MIN) / DISPLAY_HEIGHT + RAW_Y_MIN);
+}
+
+float TouchInputMapperTest::toDisplayX(int32_t rawX) {
+ return float(rawX - RAW_X_MIN) * DISPLAY_WIDTH / (RAW_X_MAX - RAW_X_MIN);
+}
+
+float TouchInputMapperTest::toDisplayY(int32_t rawY) {
+ return float(rawY - RAW_Y_MIN) * DISPLAY_HEIGHT / (RAW_Y_MAX - RAW_Y_MIN);
+}
+
+
+// --- SingleTouchInputMapperTest ---
+
+class SingleTouchInputMapperTest : public TouchInputMapperTest {
+protected:
+ void prepareAxes(int axes);
+
+ void processDown(SingleTouchInputMapper* mapper, int32_t x, int32_t y);
+ void processMove(SingleTouchInputMapper* mapper, int32_t x, int32_t y);
+ void processUp(SingleTouchInputMapper* mappery);
+ void processPressure(SingleTouchInputMapper* mapper, int32_t pressure);
+ void processToolMajor(SingleTouchInputMapper* mapper, int32_t toolMajor);
+ void processSync(SingleTouchInputMapper* mapper);
+};
+
+void SingleTouchInputMapperTest::prepareAxes(int axes) {
+ if (axes & POSITION) {
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_X, RAW_X_MIN, RAW_X_MAX, 0, 0);
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_Y, RAW_Y_MIN, RAW_Y_MAX, 0, 0);
+ }
+ if (axes & PRESSURE) {
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_PRESSURE, RAW_PRESSURE_MIN, RAW_PRESSURE_MAX, 0, 0);
+ }
+ if (axes & TOOL) {
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_TOOL_WIDTH, RAW_TOOL_MIN, RAW_TOOL_MAX, 0, 0);
+ }
+}
+
+void SingleTouchInputMapperTest::processDown(SingleTouchInputMapper* mapper, int32_t x, int32_t y) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_TOUCH, 0, 1, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_X, 0, x, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_Y, 0, y, 0);
+}
+
+void SingleTouchInputMapperTest::processMove(SingleTouchInputMapper* mapper, int32_t x, int32_t y) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_X, 0, x, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_Y, 0, y, 0);
+}
+
+void SingleTouchInputMapperTest::processUp(SingleTouchInputMapper* mapper) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_TOUCH, 0, 0, 0);
+}
+
+void SingleTouchInputMapperTest::processPressure(
+ SingleTouchInputMapper* mapper, int32_t pressure) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_PRESSURE, 0, pressure, 0);
+}
+
+void SingleTouchInputMapperTest::processToolMajor(
+ SingleTouchInputMapper* mapper, int32_t toolMajor) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_TOOL_WIDTH, 0, toolMajor, 0);
+}
+
+void SingleTouchInputMapperTest::processSync(SingleTouchInputMapper* mapper) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+}
+
+
+TEST_F(SingleTouchInputMapperTest, GetSources_WhenDeviceTypeIsTouchPad_ReturnsTouchPad) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareAxes(POSITION);
+ addConfigurationProperty("touch.deviceType", "touchPad");
+ addMapperAndConfigure(mapper);
+
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, mapper->getSources());
+}
+
+TEST_F(SingleTouchInputMapperTest, GetSources_WhenDeviceTypeIsTouchScreen_ReturnsTouchScreen) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareAxes(POSITION);
+ addConfigurationProperty("touch.deviceType", "touchScreen");
+ addMapperAndConfigure(mapper);
+
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, mapper->getSources());
+}
+
+TEST_F(SingleTouchInputMapperTest, GetKeyCodeState) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION);
+ prepareVirtualKeys();
+ addMapperAndConfigure(mapper);
+
+ // Unknown key.
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mapper->getKeyCodeState(AINPUT_SOURCE_ANY, AKEYCODE_A));
+
+ // Virtual key is down.
+ int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+ int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+ processDown(mapper, x, y);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+ ASSERT_EQ(AKEY_STATE_VIRTUAL, mapper->getKeyCodeState(AINPUT_SOURCE_ANY, AKEYCODE_HOME));
+
+ // Virtual key is up.
+ processUp(mapper);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+ ASSERT_EQ(AKEY_STATE_UP, mapper->getKeyCodeState(AINPUT_SOURCE_ANY, AKEYCODE_HOME));
+}
+
+TEST_F(SingleTouchInputMapperTest, GetScanCodeState) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION);
+ prepareVirtualKeys();
+ addMapperAndConfigure(mapper);
+
+ // Unknown key.
+ ASSERT_EQ(AKEY_STATE_UNKNOWN, mapper->getScanCodeState(AINPUT_SOURCE_ANY, KEY_A));
+
+ // Virtual key is down.
+ int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+ int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+ processDown(mapper, x, y);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+ ASSERT_EQ(AKEY_STATE_VIRTUAL, mapper->getScanCodeState(AINPUT_SOURCE_ANY, KEY_HOME));
+
+ // Virtual key is up.
+ processUp(mapper);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+ ASSERT_EQ(AKEY_STATE_UP, mapper->getScanCodeState(AINPUT_SOURCE_ANY, KEY_HOME));
+}
+
+TEST_F(SingleTouchInputMapperTest, MarkSupportedKeyCodes) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION);
+ prepareVirtualKeys();
+ addMapperAndConfigure(mapper);
+
+ const int32_t keys[2] = { AKEYCODE_HOME, AKEYCODE_A };
+ uint8_t flags[2] = { 0, 0 };
+ ASSERT_TRUE(mapper->markSupportedKeyCodes(AINPUT_SOURCE_ANY, 2, keys, flags));
+ ASSERT_TRUE(flags[0]);
+ ASSERT_FALSE(flags[1]);
+}
+
+TEST_F(SingleTouchInputMapperTest, Reset_WhenVirtualKeysAreDown_SendsUp) {
+ // Note: Ideally we should send cancels but the implementation is more straightforward
+ // with up and this will only happen if a device is forcibly removed.
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION);
+ prepareVirtualKeys();
+ addMapperAndConfigure(mapper);
+
+ mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+ // Press virtual key.
+ int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+ int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+ processDown(mapper, x, y);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+ // Reset. Since key is down, synthesize key up.
+ mapper->reset();
+
+ FakeInputDispatcher::NotifyKeyArgs args;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ //ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+ ASSERT_EQ(DEVICE_ID, args.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+ ASSERT_EQ(POLICY_FLAG_VIRTUAL, args.policyFlags);
+ ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+ ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY, args.flags);
+ ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+ ASSERT_EQ(KEY_HOME, args.scanCode);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+ ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+}
+
+TEST_F(SingleTouchInputMapperTest, Reset_WhenNothingIsPressed_NothingMuchHappens) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION);
+ prepareVirtualKeys();
+ addMapperAndConfigure(mapper);
+
+ // Press virtual key.
+ int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+ int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+ processDown(mapper, x, y);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+ // Release virtual key.
+ processUp(mapper);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+ // Reset. Since no key is down, nothing happens.
+ mapper->reset();
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_WhenVirtualKeyIsPressedAndReleasedNormally_SendsKeyDownAndKeyUp) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION);
+ prepareVirtualKeys();
+ addMapperAndConfigure(mapper);
+
+ mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+ FakeInputDispatcher::NotifyKeyArgs args;
+
+ // Press virtual key.
+ int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+ int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+ processDown(mapper, x, y);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+ ASSERT_EQ(DEVICE_ID, args.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+ ASSERT_EQ(POLICY_FLAG_VIRTUAL, args.policyFlags);
+ ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
+ ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY, args.flags);
+ ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+ ASSERT_EQ(KEY_HOME, args.scanCode);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+ ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+
+ // Release virtual key.
+ processUp(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+ ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+ ASSERT_EQ(DEVICE_ID, args.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+ ASSERT_EQ(POLICY_FLAG_VIRTUAL, args.policyFlags);
+ ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+ ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY, args.flags);
+ ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+ ASSERT_EQ(KEY_HOME, args.scanCode);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+ ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+
+ // Should not have sent any motions.
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_WhenVirtualKeyIsPressedAndMovedOutOfBounds_SendsKeyDownAndKeyCancel) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION);
+ prepareVirtualKeys();
+ addMapperAndConfigure(mapper);
+
+ mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+ FakeInputDispatcher::NotifyKeyArgs keyArgs;
+
+ // Press virtual key.
+ int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+ int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+ processDown(mapper, x, y);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&keyArgs));
+ ASSERT_EQ(ARBITRARY_TIME, keyArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, keyArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, keyArgs.source);
+ ASSERT_EQ(POLICY_FLAG_VIRTUAL, keyArgs.policyFlags);
+ ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, keyArgs.action);
+ ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY, keyArgs.flags);
+ ASSERT_EQ(AKEYCODE_HOME, keyArgs.keyCode);
+ ASSERT_EQ(KEY_HOME, keyArgs.scanCode);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, keyArgs.metaState);
+ ASSERT_EQ(ARBITRARY_TIME, keyArgs.downTime);
+
+ // Move out of bounds. This should generate a cancel and a pointer down since we moved
+ // into the display area.
+ y -= 100;
+ processMove(mapper, x, y);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&keyArgs));
+ ASSERT_EQ(ARBITRARY_TIME, keyArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, keyArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, keyArgs.source);
+ ASSERT_EQ(POLICY_FLAG_VIRTUAL, keyArgs.policyFlags);
+ ASSERT_EQ(AKEY_EVENT_ACTION_UP, keyArgs.action);
+ ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY
+ | AKEY_EVENT_FLAG_CANCELED, keyArgs.flags);
+ ASSERT_EQ(AKEYCODE_HOME, keyArgs.keyCode);
+ ASSERT_EQ(KEY_HOME, keyArgs.scanCode);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, keyArgs.metaState);
+ ASSERT_EQ(ARBITRARY_TIME, keyArgs.downTime);
+
+ FakeInputDispatcher::NotifyMotionArgs motionArgs;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Keep moving out of bounds. Should generate a pointer move.
+ y -= 50;
+ processMove(mapper, x, y);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Release out of bounds. Should generate a pointer up.
+ processUp(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Should not have sent any more keys or motions.
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_WhenTouchStartsOutsideDisplayAndMovesIn_SendsDownAsTouchEntersDisplay) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION);
+ prepareVirtualKeys();
+ addMapperAndConfigure(mapper);
+
+ mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+ FakeInputDispatcher::NotifyMotionArgs motionArgs;
+
+ // Initially go down out of bounds.
+ int32_t x = -10;
+ int32_t y = -10;
+ processDown(mapper, x, y);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+
+ // Move into the display area. Should generate a pointer down.
+ x = 50;
+ y = 75;
+ processMove(mapper, x, y);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Release. Should generate a pointer up.
+ processUp(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Should not have sent any more keys or motions.
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_NormalSingleTouchGesture) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION);
+ prepareVirtualKeys();
+ addMapperAndConfigure(mapper);
+
+ mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+ FakeInputDispatcher::NotifyMotionArgs motionArgs;
+
+ // Down.
+ int32_t x = 100;
+ int32_t y = 125;
+ processDown(mapper, x, y);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Move.
+ x += 50;
+ y += 75;
+ processMove(mapper, x, y);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Up.
+ processUp(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Should not have sent any more keys or motions.
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_WhenNotOrientationAware_DoesNotRotateMotions) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareAxes(POSITION);
+ addConfigurationProperty("touch.orientationAware", "0");
+ addMapperAndConfigure(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+
+ // Rotation 90.
+ prepareDisplay(DISPLAY_ORIENTATION_90);
+ processDown(mapper, toRawX(50), toRawY(75));
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_NEAR(50, args.pointerCoords[0].x, 1);
+ ASSERT_NEAR(75, args.pointerCoords[0].y, 1);
+
+ processUp(mapper);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_WhenOrientationAware_RotatesMotions) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareAxes(POSITION);
+ addMapperAndConfigure(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+
+ // Rotation 0.
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ processDown(mapper, toRawX(50), toRawY(75));
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_NEAR(50, args.pointerCoords[0].x, 1);
+ ASSERT_NEAR(75, args.pointerCoords[0].y, 1);
+
+ processUp(mapper);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled());
+
+ // Rotation 90.
+ prepareDisplay(DISPLAY_ORIENTATION_90);
+ processDown(mapper, toRawX(50), toRawY(75));
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_NEAR(75, args.pointerCoords[0].x, 1);
+ ASSERT_NEAR(DISPLAY_WIDTH - 50, args.pointerCoords[0].y, 1);
+
+ processUp(mapper);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled());
+
+ // Rotation 180.
+ prepareDisplay(DISPLAY_ORIENTATION_180);
+ processDown(mapper, toRawX(50), toRawY(75));
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_NEAR(DISPLAY_WIDTH - 50, args.pointerCoords[0].x, 1);
+ ASSERT_NEAR(DISPLAY_HEIGHT - 75, args.pointerCoords[0].y, 1);
+
+ processUp(mapper);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled());
+
+ // Rotation 270.
+ prepareDisplay(DISPLAY_ORIENTATION_270);
+ processDown(mapper, toRawX(50), toRawY(75));
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_NEAR(DISPLAY_HEIGHT - 75, args.pointerCoords[0].x, 1);
+ ASSERT_NEAR(50, args.pointerCoords[0].y, 1);
+
+ processUp(mapper);
+ processSync(mapper);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_AllAxes_DefaultCalibration) {
+ SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION | PRESSURE | TOOL);
+ addMapperAndConfigure(mapper);
+
+ // These calculations are based on the input device calibration documentation.
+ int32_t rawX = 100;
+ int32_t rawY = 200;
+ int32_t rawPressure = 10;
+ int32_t rawToolMajor = 12;
+
+ float x = toDisplayX(rawX);
+ float y = toDisplayY(rawY);
+ float pressure = float(rawPressure) / RAW_PRESSURE_MAX;
+ float size = float(rawToolMajor) / RAW_TOOL_MAX;
+ float tool = min(DISPLAY_WIDTH, DISPLAY_HEIGHT) * size;
+ float touch = min(tool * pressure, tool);
+
+ processDown(mapper, rawX, rawY);
+ processPressure(mapper, rawPressure);
+ processToolMajor(mapper, rawToolMajor);
+ processSync(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ x, y, pressure, size, touch, touch, tool, tool, 0));
+}
+
+
+// --- MultiTouchInputMapperTest ---
+
+class MultiTouchInputMapperTest : public TouchInputMapperTest {
+protected:
+ void prepareAxes(int axes);
+
+ void processPosition(MultiTouchInputMapper* mapper, int32_t x, int32_t y);
+ void processTouchMajor(MultiTouchInputMapper* mapper, int32_t touchMajor);
+ void processTouchMinor(MultiTouchInputMapper* mapper, int32_t touchMinor);
+ void processToolMajor(MultiTouchInputMapper* mapper, int32_t toolMajor);
+ void processToolMinor(MultiTouchInputMapper* mapper, int32_t toolMinor);
+ void processOrientation(MultiTouchInputMapper* mapper, int32_t orientation);
+ void processPressure(MultiTouchInputMapper* mapper, int32_t pressure);
+ void processId(MultiTouchInputMapper* mapper, int32_t id);
+ void processMTSync(MultiTouchInputMapper* mapper);
+ void processSync(MultiTouchInputMapper* mapper);
+};
+
+void MultiTouchInputMapperTest::prepareAxes(int axes) {
+ if (axes & POSITION) {
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_POSITION_X, RAW_X_MIN, RAW_X_MAX, 0, 0);
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_POSITION_Y, RAW_Y_MIN, RAW_Y_MAX, 0, 0);
+ }
+ if (axes & TOUCH) {
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_TOUCH_MAJOR, RAW_TOUCH_MIN, RAW_TOUCH_MAX, 0, 0);
+ if (axes & MINOR) {
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_TOUCH_MINOR,
+ RAW_TOUCH_MIN, RAW_TOUCH_MAX, 0, 0);
+ }
+ }
+ if (axes & TOOL) {
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_WIDTH_MAJOR, RAW_TOOL_MIN, RAW_TOOL_MAX, 0, 0);
+ if (axes & MINOR) {
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_WIDTH_MINOR,
+ RAW_TOOL_MAX, RAW_TOOL_MAX, 0, 0);
+ }
+ }
+ if (axes & ORIENTATION) {
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_ORIENTATION,
+ RAW_ORIENTATION_MIN, RAW_ORIENTATION_MAX, 0, 0);
+ }
+ if (axes & PRESSURE) {
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_PRESSURE,
+ RAW_PRESSURE_MIN, RAW_PRESSURE_MAX, 0, 0);
+ }
+ if (axes & ID) {
+ mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_TRACKING_ID,
+ RAW_ID_MIN, RAW_ID_MAX, 0, 0);
+ }
+}
+
+void MultiTouchInputMapperTest::processPosition(
+ MultiTouchInputMapper* mapper, int32_t x, int32_t y) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_POSITION_X, 0, x, 0);
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_POSITION_Y, 0, y, 0);
+}
+
+void MultiTouchInputMapperTest::processTouchMajor(
+ MultiTouchInputMapper* mapper, int32_t touchMajor) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_TOUCH_MAJOR, 0, touchMajor, 0);
+}
+
+void MultiTouchInputMapperTest::processTouchMinor(
+ MultiTouchInputMapper* mapper, int32_t touchMinor) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_TOUCH_MINOR, 0, touchMinor, 0);
+}
+
+void MultiTouchInputMapperTest::processToolMajor(
+ MultiTouchInputMapper* mapper, int32_t toolMajor) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_WIDTH_MAJOR, 0, toolMajor, 0);
+}
+
+void MultiTouchInputMapperTest::processToolMinor(
+ MultiTouchInputMapper* mapper, int32_t toolMinor) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_WIDTH_MINOR, 0, toolMinor, 0);
+}
+
+void MultiTouchInputMapperTest::processOrientation(
+ MultiTouchInputMapper* mapper, int32_t orientation) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_ORIENTATION, 0, orientation, 0);
+}
+
+void MultiTouchInputMapperTest::processPressure(
+ MultiTouchInputMapper* mapper, int32_t pressure) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_PRESSURE, 0, pressure, 0);
+}
+
+void MultiTouchInputMapperTest::processId(
+ MultiTouchInputMapper* mapper, int32_t id) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_TRACKING_ID, 0, id, 0);
+}
+
+void MultiTouchInputMapperTest::processMTSync(MultiTouchInputMapper* mapper) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_MT_REPORT, 0, 0, 0);
+}
+
+void MultiTouchInputMapperTest::processSync(MultiTouchInputMapper* mapper) {
+ process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+}
+
+
+TEST_F(MultiTouchInputMapperTest, Process_NormalMultiTouchGesture_WithoutTrackingIds) {
+ MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION);
+ prepareVirtualKeys();
+ addMapperAndConfigure(mapper);
+
+ mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+ FakeInputDispatcher::NotifyMotionArgs motionArgs;
+
+ // Two fingers down at once.
+ int32_t x1 = 100, y1 = 125, x2 = 300, y2 = 500;
+ processPosition(mapper, x1, y1);
+ processMTSync(mapper);
+ processPosition(mapper, x2, y2);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_EQ(1, motionArgs.pointerIds[1]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Move.
+ x1 += 10; y1 += 15; x2 += 5; y2 -= 10;
+ processPosition(mapper, x1, y1);
+ processMTSync(mapper);
+ processPosition(mapper, x2, y2);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_EQ(1, motionArgs.pointerIds[1]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // First finger up.
+ x2 += 15; y2 -= 20;
+ processPosition(mapper, x2, y2);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_EQ(1, motionArgs.pointerIds[1]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(1, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Move.
+ x2 += 20; y2 -= 25;
+ processPosition(mapper, x2, y2);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(1, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // New finger down.
+ int32_t x3 = 700, y3 = 300;
+ processPosition(mapper, x2, y2);
+ processMTSync(mapper);
+ processPosition(mapper, x3, y3);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_EQ(1, motionArgs.pointerIds[1]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Second finger up.
+ x3 += 30; y3 -= 20;
+ processPosition(mapper, x3, y3);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_EQ(1, motionArgs.pointerIds[1]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Last finger up.
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+ ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+ ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+ ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+ ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+ ASSERT_EQ(0, motionArgs.flags);
+ ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+ ASSERT_EQ(0, motionArgs.edgeFlags);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(0, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+ ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+ ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+ // Should not have sent any more keys or motions.
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(MultiTouchInputMapperTest, Process_NormalMultiTouchGesture_WithTrackingIds) {
+ MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION | ID);
+ prepareVirtualKeys();
+ addMapperAndConfigure(mapper);
+
+ mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+ FakeInputDispatcher::NotifyMotionArgs motionArgs;
+
+ // Two fingers down at once.
+ int32_t x1 = 100, y1 = 125, x2 = 300, y2 = 500;
+ processPosition(mapper, x1, y1);
+ processId(mapper, 1);
+ processMTSync(mapper);
+ processPosition(mapper, x2, y2);
+ processId(mapper, 2);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(1, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ motionArgs.action);
+ ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+ ASSERT_EQ(1, motionArgs.pointerIds[0]);
+ ASSERT_EQ(2, motionArgs.pointerIds[1]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+
+ // Move.
+ x1 += 10; y1 += 15; x2 += 5; y2 -= 10;
+ processPosition(mapper, x1, y1);
+ processId(mapper, 1);
+ processMTSync(mapper);
+ processPosition(mapper, x2, y2);
+ processId(mapper, 2);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+ ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+ ASSERT_EQ(1, motionArgs.pointerIds[0]);
+ ASSERT_EQ(2, motionArgs.pointerIds[1]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+
+ // First finger up.
+ x2 += 15; y2 -= 20;
+ processPosition(mapper, x2, y2);
+ processId(mapper, 2);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ motionArgs.action);
+ ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+ ASSERT_EQ(1, motionArgs.pointerIds[0]);
+ ASSERT_EQ(2, motionArgs.pointerIds[1]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(2, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+
+ // Move.
+ x2 += 20; y2 -= 25;
+ processPosition(mapper, x2, y2);
+ processId(mapper, 2);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(2, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+
+ // New finger down.
+ int32_t x3 = 700, y3 = 300;
+ processPosition(mapper, x2, y2);
+ processId(mapper, 2);
+ processMTSync(mapper);
+ processPosition(mapper, x3, y3);
+ processId(mapper, 3);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ motionArgs.action);
+ ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+ ASSERT_EQ(2, motionArgs.pointerIds[0]);
+ ASSERT_EQ(3, motionArgs.pointerIds[1]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+ toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+
+ // Second finger up.
+ x3 += 30; y3 -= 20;
+ processPosition(mapper, x3, y3);
+ processId(mapper, 3);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ motionArgs.action);
+ ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+ ASSERT_EQ(2, motionArgs.pointerIds[0]);
+ ASSERT_EQ(3, motionArgs.pointerIds[1]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+ toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(3, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+
+ // Last finger up.
+ processMTSync(mapper);
+ processSync(mapper);
+
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+ ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+ ASSERT_EQ(3, motionArgs.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+ toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+
+ // Should not have sent any more keys or motions.
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(MultiTouchInputMapperTest, Process_AllAxes_WithDefaultCalibration) {
+ MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION | TOUCH | TOOL | PRESSURE | ORIENTATION | ID | MINOR);
+ addMapperAndConfigure(mapper);
+
+ // These calculations are based on the input device calibration documentation.
+ int32_t rawX = 100;
+ int32_t rawY = 200;
+ int32_t rawTouchMajor = 7;
+ int32_t rawTouchMinor = 6;
+ int32_t rawToolMajor = 9;
+ int32_t rawToolMinor = 8;
+ int32_t rawPressure = 11;
+ int32_t rawOrientation = 3;
+ int32_t id = 5;
+
+ float x = toDisplayX(rawX);
+ float y = toDisplayY(rawY);
+ float pressure = float(rawPressure) / RAW_PRESSURE_MAX;
+ float size = avg(rawToolMajor, rawToolMinor) / RAW_TOOL_MAX;
+ float toolMajor = float(min(DISPLAY_WIDTH, DISPLAY_HEIGHT)) * rawToolMajor / RAW_TOOL_MAX;
+ float toolMinor = float(min(DISPLAY_WIDTH, DISPLAY_HEIGHT)) * rawToolMinor / RAW_TOOL_MAX;
+ float touchMajor = min(toolMajor * pressure, toolMajor);
+ float touchMinor = min(toolMinor * pressure, toolMinor);
+ float orientation = float(rawOrientation) / RAW_ORIENTATION_MAX * M_PI_2;
+
+ processPosition(mapper, rawX, rawY);
+ processTouchMajor(mapper, rawTouchMajor);
+ processTouchMinor(mapper, rawTouchMinor);
+ processToolMajor(mapper, rawToolMajor);
+ processToolMinor(mapper, rawToolMinor);
+ processPressure(mapper, rawPressure);
+ processOrientation(mapper, rawOrientation);
+ processId(mapper, id);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(id, args.pointerIds[0]);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ x, y, pressure, size, touchMajor, touchMinor, toolMajor, toolMinor, orientation));
+}
+
+TEST_F(MultiTouchInputMapperTest, Process_TouchAndToolAxes_GeometricCalibration) {
+ MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION | TOUCH | TOOL | MINOR);
+ addConfigurationProperty("touch.touchSize.calibration", "geometric");
+ addConfigurationProperty("touch.toolSize.calibration", "geometric");
+ addMapperAndConfigure(mapper);
+
+ // These calculations are based on the input device calibration documentation.
+ int32_t rawX = 100;
+ int32_t rawY = 200;
+ int32_t rawTouchMajor = 140;
+ int32_t rawTouchMinor = 120;
+ int32_t rawToolMajor = 180;
+ int32_t rawToolMinor = 160;
+
+ float x = toDisplayX(rawX);
+ float y = toDisplayY(rawY);
+ float pressure = float(rawTouchMajor) / RAW_TOUCH_MAX;
+ float size = avg(rawToolMajor, rawToolMinor) / RAW_TOOL_MAX;
+ float scale = avg(float(DISPLAY_WIDTH) / (RAW_X_MAX - RAW_X_MIN),
+ float(DISPLAY_HEIGHT) / (RAW_Y_MAX - RAW_Y_MIN));
+ float toolMajor = float(rawToolMajor) * scale;
+ float toolMinor = float(rawToolMinor) * scale;
+ float touchMajor = min(float(rawTouchMajor) * scale, toolMajor);
+ float touchMinor = min(float(rawTouchMinor) * scale, toolMinor);
+
+ processPosition(mapper, rawX, rawY);
+ processTouchMajor(mapper, rawTouchMajor);
+ processTouchMinor(mapper, rawTouchMinor);
+ processToolMajor(mapper, rawToolMajor);
+ processToolMinor(mapper, rawToolMinor);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ x, y, pressure, size, touchMajor, touchMinor, toolMajor, toolMinor, 0));
+}
+
+TEST_F(MultiTouchInputMapperTest, Process_TouchToolPressureSizeAxes_SummedLinearCalibration) {
+ MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION | TOUCH | TOOL);
+ addConfigurationProperty("touch.touchSize.calibration", "pressure");
+ addConfigurationProperty("touch.toolSize.calibration", "linear");
+ addConfigurationProperty("touch.toolSize.linearScale", "10");
+ addConfigurationProperty("touch.toolSize.linearBias", "160");
+ addConfigurationProperty("touch.toolSize.isSummed", "1");
+ addConfigurationProperty("touch.pressure.calibration", "amplitude");
+ addConfigurationProperty("touch.pressure.source", "touch");
+ addConfigurationProperty("touch.pressure.scale", "0.01");
+ addMapperAndConfigure(mapper);
+
+ // These calculations are based on the input device calibration documentation.
+ // Note: We only provide a single common touch/tool value because the device is assumed
+ // not to emit separate values for each pointer (isSummed = 1).
+ int32_t rawX = 100;
+ int32_t rawY = 200;
+ int32_t rawX2 = 150;
+ int32_t rawY2 = 250;
+ int32_t rawTouchMajor = 60;
+ int32_t rawToolMajor = 5;
+
+ float x = toDisplayX(rawX);
+ float y = toDisplayY(rawY);
+ float x2 = toDisplayX(rawX2);
+ float y2 = toDisplayY(rawY2);
+ float pressure = float(rawTouchMajor) * 0.01f;
+ float size = float(rawToolMajor) / RAW_TOOL_MAX;
+ float tool = (float(rawToolMajor) * 10.0f + 160.0f) / 2;
+ float touch = min(tool * pressure, tool);
+
+ processPosition(mapper, rawX, rawY);
+ processTouchMajor(mapper, rawTouchMajor);
+ processToolMajor(mapper, rawToolMajor);
+ processMTSync(mapper);
+ processPosition(mapper, rawX2, rawY2);
+ processTouchMajor(mapper, rawTouchMajor);
+ processToolMajor(mapper, rawToolMajor);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ args.action);
+ ASSERT_EQ(size_t(2), args.pointerCount);
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ x, y, pressure, size, touch, touch, tool, tool, 0));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[1],
+ x2, y2, pressure, size, touch, touch, tool, tool, 0));
+}
+
+TEST_F(MultiTouchInputMapperTest, Process_TouchToolPressureSizeAxes_AreaCalibration) {
+ MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice);
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION | TOUCH | TOOL);
+ addConfigurationProperty("touch.touchSize.calibration", "pressure");
+ addConfigurationProperty("touch.toolSize.calibration", "area");
+ addConfigurationProperty("touch.toolSize.areaScale", "22");
+ addConfigurationProperty("touch.toolSize.areaBias", "1");
+ addConfigurationProperty("touch.toolSize.linearScale", "9.2");
+ addConfigurationProperty("touch.toolSize.linearBias", "3");
+ addConfigurationProperty("touch.pressure.calibration", "amplitude");
+ addConfigurationProperty("touch.pressure.source", "touch");
+ addConfigurationProperty("touch.pressure.scale", "0.01");
+ addMapperAndConfigure(mapper);
+
+ // These calculations are based on the input device calibration documentation.
+ int32_t rawX = 100;
+ int32_t rawY = 200;
+ int32_t rawTouchMajor = 60;
+ int32_t rawToolMajor = 5;
+
+ float x = toDisplayX(rawX);
+ float y = toDisplayY(rawY);
+ float pressure = float(rawTouchMajor) * 0.01f;
+ float size = float(rawToolMajor) / RAW_TOOL_MAX;
+ float tool = sqrtf(float(rawToolMajor) * 22.0f + 1.0f) * 9.2f + 3.0f;
+ float touch = min(tool * pressure, tool);
+
+ processPosition(mapper, rawX, rawY);
+ processTouchMajor(mapper, rawTouchMajor);
+ processToolMajor(mapper, rawToolMajor);
+ processMTSync(mapper);
+ processSync(mapper);
+
+ FakeInputDispatcher::NotifyMotionArgs args;
+ ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+ ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+ x, y, pressure, size, touch, touch, tool, tool, 0));
+}
+
+} // namespace android