Add sequence number to events in inputflinger
This adds a sequece number field to NotifyArgs and EventEntry in order to
uniquely track individual events.
The sequence number for the events is added in InputReader, where the next
sequence number is an increment of the previous event's sequence number.
Synthesized events have a sequence number of 0.
Bug: 119312685
Test: inputflinger_tests
Change-Id: I1690979a5aa019e99ab89f5f7279a1b42068e658
diff --git a/services/inputflinger/InputDispatcher.cpp b/services/inputflinger/InputDispatcher.cpp
index ac17dca..6879a73 100644
--- a/services/inputflinger/InputDispatcher.cpp
+++ b/services/inputflinger/InputDispatcher.cpp
@@ -97,6 +97,9 @@
// Number of recent events to keep for debugging purposes.
constexpr size_t RECENT_QUEUE_MAX_SIZE = 10;
+// Sequence number for synthesized or injected events.
+constexpr uint32_t SYNTHESIZED_EVENT_SEQUENCE_NUM = 0;
+
static inline nsecs_t now() {
return systemTime(SYSTEM_TIME_MONOTONIC);
@@ -710,7 +713,7 @@
entry->policyFlags = policyFlags;
entry->repeatCount += 1;
} else {
- KeyEntry* newEntry = new KeyEntry(currentTime,
+ KeyEntry* newEntry = new KeyEntry(SYNTHESIZED_EVENT_SEQUENCE_NUM, currentTime,
entry->deviceId, entry->source, entry->displayId, policyFlags,
entry->action, entry->flags, entry->keyCode, entry->scanCode,
entry->metaState, entry->repeatCount + 1, entry->downTime);
@@ -2474,6 +2477,7 @@
}
MotionEntry* splitMotionEntry = new MotionEntry(
+ originalMotionEntry->sequenceNum,
originalMotionEntry->eventTime,
originalMotionEntry->deviceId,
originalMotionEntry->source,
@@ -2507,7 +2511,8 @@
{ // acquire lock
AutoMutex _l(mLock);
- ConfigurationChangedEntry* newEntry = new ConfigurationChangedEntry(args->eventTime);
+ ConfigurationChangedEntry* newEntry =
+ new ConfigurationChangedEntry(args->sequenceNum, args->eventTime);
needWake = enqueueInboundEventLocked(newEntry);
} // release lock
@@ -2612,7 +2617,7 @@
mLock.lock();
}
- KeyEntry* newEntry = new KeyEntry(args->eventTime,
+ KeyEntry* newEntry = new KeyEntry(args->sequenceNum, args->eventTime,
args->deviceId, args->source, args->displayId, policyFlags,
args->action, flags, keyCode, args->scanCode,
metaState, repeatCount, args->downTime);
@@ -2696,7 +2701,7 @@
}
// Just enqueue a new motion event.
- MotionEntry* newEntry = new MotionEntry(args->eventTime,
+ MotionEntry* newEntry = new MotionEntry(args->sequenceNum, args->eventTime,
args->deviceId, args->source, args->displayId, policyFlags,
args->action, args->actionButton, args->flags,
args->metaState, args->buttonState,
@@ -2740,7 +2745,8 @@
{ // acquire lock
AutoMutex _l(mLock);
- DeviceResetEntry* newEntry = new DeviceResetEntry(args->eventTime, args->deviceId);
+ DeviceResetEntry* newEntry =
+ new DeviceResetEntry(args->sequenceNum, args->eventTime, args->deviceId);
needWake = enqueueInboundEventLocked(newEntry);
} // release lock
@@ -2799,7 +2805,7 @@
}
mLock.lock();
- firstInjectedEntry = new KeyEntry(keyEvent.getEventTime(),
+ firstInjectedEntry = new KeyEntry(SYNTHESIZED_EVENT_SEQUENCE_NUM, keyEvent.getEventTime(),
keyEvent.getDeviceId(), keyEvent.getSource(), keyEvent.getDisplayId(),
policyFlags, action, flags,
keyEvent.getKeyCode(), keyEvent.getScanCode(), keyEvent.getMetaState(),
@@ -2831,7 +2837,7 @@
mLock.lock();
const nsecs_t* sampleEventTimes = motionEvent->getSampleEventTimes();
const PointerCoords* samplePointerCoords = motionEvent->getSamplePointerCoords();
- firstInjectedEntry = new MotionEntry(*sampleEventTimes,
+ firstInjectedEntry = new MotionEntry(SYNTHESIZED_EVENT_SEQUENCE_NUM, *sampleEventTimes,
motionEvent->getDeviceId(), motionEvent->getSource(), motionEvent->getDisplayId(),
policyFlags,
action, actionButton, motionEvent->getFlags(),
@@ -2845,7 +2851,8 @@
for (size_t i = motionEvent->getHistorySize(); i > 0; i--) {
sampleEventTimes += 1;
samplePointerCoords += pointerCount;
- MotionEntry* nextInjectedEntry = new MotionEntry(*sampleEventTimes,
+ MotionEntry* nextInjectedEntry = new MotionEntry(SYNTHESIZED_EVENT_SEQUENCE_NUM,
+ *sampleEventTimes,
motionEvent->getDeviceId(), motionEvent->getSource(),
motionEvent->getDisplayId(), policyFlags,
action, actionButton, motionEvent->getFlags(),
@@ -4279,9 +4286,10 @@
// --- InputDispatcher::EventEntry ---
-InputDispatcher::EventEntry::EventEntry(int32_t type, nsecs_t eventTime, uint32_t policyFlags) :
- refCount(1), type(type), eventTime(eventTime), policyFlags(policyFlags),
- injectionState(nullptr), dispatchInProgress(false) {
+InputDispatcher::EventEntry::EventEntry(uint32_t sequenceNum, int32_t type,
+ nsecs_t eventTime, uint32_t policyFlags) :
+ sequenceNum(sequenceNum), refCount(1), type(type), eventTime(eventTime),
+ policyFlags(policyFlags), injectionState(nullptr), dispatchInProgress(false) {
}
InputDispatcher::EventEntry::~EventEntry() {
@@ -4307,8 +4315,9 @@
// --- InputDispatcher::ConfigurationChangedEntry ---
-InputDispatcher::ConfigurationChangedEntry::ConfigurationChangedEntry(nsecs_t eventTime) :
- EventEntry(TYPE_CONFIGURATION_CHANGED, eventTime, 0) {
+InputDispatcher::ConfigurationChangedEntry::ConfigurationChangedEntry(
+ uint32_t sequenceNum, nsecs_t eventTime) :
+ EventEntry(sequenceNum, TYPE_CONFIGURATION_CHANGED, eventTime, 0) {
}
InputDispatcher::ConfigurationChangedEntry::~ConfigurationChangedEntry() {
@@ -4321,8 +4330,9 @@
// --- InputDispatcher::DeviceResetEntry ---
-InputDispatcher::DeviceResetEntry::DeviceResetEntry(nsecs_t eventTime, int32_t deviceId) :
- EventEntry(TYPE_DEVICE_RESET, eventTime, 0),
+InputDispatcher::DeviceResetEntry::DeviceResetEntry(
+ uint32_t sequenceNum, nsecs_t eventTime, int32_t deviceId) :
+ EventEntry(sequenceNum, TYPE_DEVICE_RESET, eventTime, 0),
deviceId(deviceId) {
}
@@ -4337,11 +4347,11 @@
// --- InputDispatcher::KeyEntry ---
-InputDispatcher::KeyEntry::KeyEntry(nsecs_t eventTime,
+InputDispatcher::KeyEntry::KeyEntry(uint32_t sequenceNum, nsecs_t eventTime,
int32_t deviceId, uint32_t source, int32_t displayId, uint32_t policyFlags, int32_t action,
int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
int32_t repeatCount, nsecs_t downTime) :
- EventEntry(TYPE_KEY, eventTime, policyFlags),
+ EventEntry(sequenceNum, TYPE_KEY, eventTime, policyFlags),
deviceId(deviceId), source(source), displayId(displayId), action(action), flags(flags),
keyCode(keyCode), scanCode(scanCode), metaState(metaState),
repeatCount(repeatCount), downTime(downTime),
@@ -4372,7 +4382,7 @@
// --- InputDispatcher::MotionEntry ---
-InputDispatcher::MotionEntry::MotionEntry(nsecs_t eventTime, int32_t deviceId,
+InputDispatcher::MotionEntry::MotionEntry(uint32_t sequenceNum, nsecs_t eventTime, int32_t deviceId,
uint32_t source, int32_t displayId, uint32_t policyFlags, int32_t action,
int32_t actionButton,
int32_t flags, int32_t metaState, int32_t buttonState, int32_t edgeFlags,
@@ -4380,7 +4390,7 @@
uint32_t pointerCount,
const PointerProperties* pointerProperties, const PointerCoords* pointerCoords,
float xOffset, float yOffset) :
- EventEntry(TYPE_MOTION, eventTime, policyFlags),
+ EventEntry(sequenceNum, TYPE_MOTION, eventTime, policyFlags),
eventTime(eventTime),
deviceId(deviceId), source(source), displayId(displayId), action(action),
actionButton(actionButton), flags(flags), metaState(metaState), buttonState(buttonState),
@@ -4694,7 +4704,7 @@
for (size_t i = 0; i < mKeyMementos.size(); i++) {
const KeyMemento& memento = mKeyMementos.itemAt(i);
if (shouldCancelKey(memento, options)) {
- outEvents.push(new KeyEntry(currentTime,
+ outEvents.push(new KeyEntry(SYNTHESIZED_EVENT_SEQUENCE_NUM, currentTime,
memento.deviceId, memento.source, memento.displayId, memento.policyFlags,
AKEY_EVENT_ACTION_UP, memento.flags | AKEY_EVENT_FLAG_CANCELED,
memento.keyCode, memento.scanCode, memento.metaState, 0, memento.downTime));
@@ -4704,7 +4714,7 @@
for (size_t i = 0; i < mMotionMementos.size(); i++) {
const MotionMemento& memento = mMotionMementos.itemAt(i);
if (shouldCancelMotion(memento, options)) {
- outEvents.push(new MotionEntry(currentTime,
+ outEvents.push(new MotionEntry(SYNTHESIZED_EVENT_SEQUENCE_NUM, currentTime,
memento.deviceId, memento.source, memento.displayId, memento.policyFlags,
memento.hovering
? AMOTION_EVENT_ACTION_HOVER_EXIT
diff --git a/services/inputflinger/InputDispatcher.h b/services/inputflinger/InputDispatcher.h
index 73bcc25..05b5dad 100644
--- a/services/inputflinger/InputDispatcher.h
+++ b/services/inputflinger/InputDispatcher.h
@@ -454,6 +454,7 @@
TYPE_MOTION
};
+ uint32_t sequenceNum;
mutable int32_t refCount;
int32_t type;
nsecs_t eventTime;
@@ -469,13 +470,13 @@
virtual void appendDescription(std::string& msg) const = 0;
protected:
- EventEntry(int32_t type, nsecs_t eventTime, uint32_t policyFlags);
+ EventEntry(uint32_t sequenceNum, int32_t type, nsecs_t eventTime, uint32_t policyFlags);
virtual ~EventEntry();
void releaseInjectionState();
};
struct ConfigurationChangedEntry : EventEntry {
- explicit ConfigurationChangedEntry(nsecs_t eventTime);
+ explicit ConfigurationChangedEntry(uint32_t sequenceNum, nsecs_t eventTime);
virtual void appendDescription(std::string& msg) const;
protected:
@@ -485,7 +486,7 @@
struct DeviceResetEntry : EventEntry {
int32_t deviceId;
- DeviceResetEntry(nsecs_t eventTime, int32_t deviceId);
+ DeviceResetEntry(uint32_t sequenceNum, nsecs_t eventTime, int32_t deviceId);
virtual void appendDescription(std::string& msg) const;
protected:
@@ -515,7 +516,7 @@
InterceptKeyResult interceptKeyResult; // set based on the interception result
nsecs_t interceptKeyWakeupTime; // used with INTERCEPT_KEY_RESULT_TRY_AGAIN_LATER
- KeyEntry(nsecs_t eventTime,
+ KeyEntry(uint32_t sequenceNum, nsecs_t eventTime,
int32_t deviceId, uint32_t source, int32_t displayId, uint32_t policyFlags,
int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
int32_t repeatCount, nsecs_t downTime);
@@ -544,7 +545,7 @@
PointerProperties pointerProperties[MAX_POINTERS];
PointerCoords pointerCoords[MAX_POINTERS];
- MotionEntry(nsecs_t eventTime,
+ MotionEntry(uint32_t sequenceNum, nsecs_t eventTime,
int32_t deviceId, uint32_t source, int32_t displayId, uint32_t policyFlags,
int32_t action, int32_t actionButton, int32_t flags,
int32_t metaState, int32_t buttonState, int32_t edgeFlags,
diff --git a/services/inputflinger/InputListener.cpp b/services/inputflinger/InputListener.cpp
index 25a39a8..23cceb4 100644
--- a/services/inputflinger/InputListener.cpp
+++ b/services/inputflinger/InputListener.cpp
@@ -26,13 +26,14 @@
// --- NotifyConfigurationChangedArgs ---
-NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(nsecs_t eventTime) :
- eventTime(eventTime) {
+NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(
+ uint32_t sequenceNum, nsecs_t eventTime) :
+ NotifyArgs(sequenceNum), eventTime(eventTime) {
}
NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(
const NotifyConfigurationChangedArgs& other) :
- eventTime(other.eventTime) {
+ NotifyArgs(other.sequenceNum), eventTime(other.eventTime) {
}
void NotifyConfigurationChangedArgs::notify(const sp<InputListenerInterface>& listener) const {
@@ -42,19 +43,19 @@
// --- NotifyKeyArgs ---
-NotifyKeyArgs::NotifyKeyArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source,
- int32_t displayId, uint32_t policyFlags,
+NotifyKeyArgs::NotifyKeyArgs(uint32_t sequenceNum, nsecs_t eventTime, int32_t deviceId,
+ uint32_t source, int32_t displayId, uint32_t policyFlags,
int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode,
int32_t metaState, nsecs_t downTime) :
- eventTime(eventTime), deviceId(deviceId), source(source), displayId(displayId),
- policyFlags(policyFlags),
+ NotifyArgs(sequenceNum), eventTime(eventTime), deviceId(deviceId), source(source),
+ displayId(displayId), policyFlags(policyFlags),
action(action), flags(flags), keyCode(keyCode), scanCode(scanCode),
metaState(metaState), downTime(downTime) {
}
NotifyKeyArgs::NotifyKeyArgs(const NotifyKeyArgs& other) :
- eventTime(other.eventTime), deviceId(other.deviceId), source(other.source),
- displayId(other.displayId), policyFlags(other.policyFlags),
+ NotifyArgs(other.sequenceNum), eventTime(other.eventTime), deviceId(other.deviceId),
+ source(other.source), displayId(other.displayId), policyFlags(other.policyFlags),
action(other.action), flags(other.flags),
keyCode(other.keyCode), scanCode(other.scanCode),
metaState(other.metaState), downTime(other.downTime) {
@@ -67,15 +68,15 @@
// --- NotifyMotionArgs ---
-NotifyMotionArgs::NotifyMotionArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source,
- int32_t displayId, uint32_t policyFlags,
+NotifyMotionArgs::NotifyMotionArgs(uint32_t sequenceNum, nsecs_t eventTime, int32_t deviceId,
+ uint32_t source, int32_t displayId, uint32_t policyFlags,
int32_t action, int32_t actionButton, int32_t flags, int32_t metaState,
int32_t buttonState, int32_t edgeFlags, uint32_t deviceTimestamp,
uint32_t pointerCount,
const PointerProperties* pointerProperties, const PointerCoords* pointerCoords,
float xPrecision, float yPrecision, nsecs_t downTime) :
- eventTime(eventTime), deviceId(deviceId), source(source), displayId(displayId),
- policyFlags(policyFlags),
+ NotifyArgs(sequenceNum), eventTime(eventTime), deviceId(deviceId), source(source),
+ displayId(displayId), policyFlags(policyFlags),
action(action), actionButton(actionButton),
flags(flags), metaState(metaState), buttonState(buttonState),
edgeFlags(edgeFlags), deviceTimestamp(deviceTimestamp),
@@ -88,8 +89,8 @@
}
NotifyMotionArgs::NotifyMotionArgs(const NotifyMotionArgs& other) :
- eventTime(other.eventTime), deviceId(other.deviceId), source(other.source),
- displayId(other.displayId), policyFlags(other.policyFlags),
+ NotifyArgs(other.sequenceNum), eventTime(other.eventTime), deviceId(other.deviceId),
+ source(other.source), displayId(other.displayId), policyFlags(other.policyFlags),
action(other.action), actionButton(other.actionButton), flags(other.flags),
metaState(other.metaState), buttonState(other.buttonState),
edgeFlags(other.edgeFlags),
@@ -108,14 +109,14 @@
// --- NotifySwitchArgs ---
-NotifySwitchArgs::NotifySwitchArgs(nsecs_t eventTime, uint32_t policyFlags,
+NotifySwitchArgs::NotifySwitchArgs(uint32_t sequenceNum, nsecs_t eventTime, uint32_t policyFlags,
uint32_t switchValues, uint32_t switchMask) :
- eventTime(eventTime), policyFlags(policyFlags),
+ NotifyArgs(sequenceNum), eventTime(eventTime), policyFlags(policyFlags),
switchValues(switchValues), switchMask(switchMask) {
}
NotifySwitchArgs::NotifySwitchArgs(const NotifySwitchArgs& other) :
- eventTime(other.eventTime), policyFlags(other.policyFlags),
+ NotifyArgs(other.sequenceNum), eventTime(other.eventTime), policyFlags(other.policyFlags),
switchValues(other.switchValues), switchMask(other.switchMask) {
}
@@ -126,12 +127,13 @@
// --- NotifyDeviceResetArgs ---
-NotifyDeviceResetArgs::NotifyDeviceResetArgs(nsecs_t eventTime, int32_t deviceId) :
- eventTime(eventTime), deviceId(deviceId) {
+NotifyDeviceResetArgs::NotifyDeviceResetArgs(
+ uint32_t sequenceNum, nsecs_t eventTime, int32_t deviceId) :
+ NotifyArgs(sequenceNum), eventTime(eventTime), deviceId(deviceId) {
}
NotifyDeviceResetArgs::NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other) :
- eventTime(other.eventTime), deviceId(other.deviceId) {
+ NotifyArgs(other.sequenceNum), eventTime(other.eventTime), deviceId(other.deviceId) {
}
void NotifyDeviceResetArgs::notify(const sp<InputListenerInterface>& listener) const {
diff --git a/services/inputflinger/InputReader.cpp b/services/inputflinger/InputReader.cpp
index 9ba4140..7e00f42 100644
--- a/services/inputflinger/InputReader.cpp
+++ b/services/inputflinger/InputReader.cpp
@@ -236,8 +236,8 @@
|| (action == AKEY_EVENT_ACTION_UP
&& (lastButtonState & buttonState)
&& !(currentButtonState & buttonState))) {
- NotifyKeyArgs args(when, deviceId, source, displayId, policyFlags,
- action, 0, keyCode, 0, context->getGlobalMetaState(), when);
+ NotifyKeyArgs args(context->getNextSequenceNum(), when, deviceId, source, displayId,
+ policyFlags, action, 0, keyCode, 0, context->getGlobalMetaState(), when);
context->getListener()->notifyKey(&args);
}
}
@@ -261,7 +261,7 @@
const sp<InputReaderPolicyInterface>& policy,
const sp<InputListenerInterface>& listener) :
mContext(this), mEventHub(eventHub), mPolicy(policy),
- mGlobalMetaState(0), mGeneration(1),
+ mNextSequenceNum(1), mGlobalMetaState(0), mGeneration(1),
mDisableVirtualKeysTimeout(LLONG_MIN), mNextTimeout(LLONG_MAX),
mConfigurationChangesToRefresh(0) {
mQueuedListener = new QueuedInputListener(listener);
@@ -547,7 +547,7 @@
updateGlobalMetaStateLocked();
// Enqueue configuration changed.
- NotifyConfigurationChangedArgs args(when);
+ NotifyConfigurationChangedArgs args(mContext.getNextSequenceNum(), when);
mQueuedListener->notifyConfigurationChanged(&args);
}
@@ -945,6 +945,9 @@
return mReader->mEventHub.get();
}
+uint32_t InputReader::ContextImpl::getNextSequenceNum() {
+ return (mReader->mNextSequenceNum)++;
+}
// --- InputDevice ---
@@ -1265,7 +1268,7 @@
}
void InputDevice::notifyReset(nsecs_t when) {
- NotifyDeviceResetArgs args(when, mId);
+ NotifyDeviceResetArgs args(mContext->getNextSequenceNum(), when, mId);
mContext->getListener()->notifyDeviceReset(&args);
}
@@ -2038,7 +2041,8 @@
void SwitchInputMapper::sync(nsecs_t when) {
if (mUpdatedSwitchMask) {
uint32_t updatedSwitchValues = mSwitchValues & mUpdatedSwitchMask;
- NotifySwitchArgs args(when, 0, updatedSwitchValues, mUpdatedSwitchMask);
+ NotifySwitchArgs args(mContext->getNextSequenceNum(), when, 0, updatedSwitchValues,
+ mUpdatedSwitchMask);
getListener()->notifySwitch(&args);
mUpdatedSwitchMask = 0;
@@ -2420,8 +2424,8 @@
policyFlags |= POLICY_FLAG_DISABLE_KEY_REPEAT;
}
- NotifyKeyArgs args(when, getDeviceId(), mSource, getDisplayId(), policyFlags,
- down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
+ NotifyKeyArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), mSource,
+ getDisplayId(), policyFlags, down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, keyMetaState, downTime);
getListener()->notifyKey(&args);
}
@@ -2824,7 +2828,8 @@
while (!released.isEmpty()) {
int32_t actionButton = BitSet32::valueForBit(released.clearFirstMarkedBit());
buttonState &= ~actionButton;
- NotifyMotionArgs releaseArgs(when, getDeviceId(), mSource, displayId, policyFlags,
+ NotifyMotionArgs releaseArgs(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags,
AMOTION_EVENT_ACTION_BUTTON_RELEASE, actionButton, 0,
metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
/* deviceTimestamp */ 0, 1, &pointerProperties, &pointerCoords,
@@ -2833,8 +2838,8 @@
}
}
- NotifyMotionArgs args(when, getDeviceId(), mSource, displayId, policyFlags,
- motionEventAction, 0, 0, metaState, currentButtonState,
+ NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), mSource,
+ displayId, policyFlags, motionEventAction, 0, 0, metaState, currentButtonState,
AMOTION_EVENT_EDGE_FLAG_NONE,
/* deviceTimestamp */ 0, 1, &pointerProperties, &pointerCoords,
mXPrecision, mYPrecision, downTime);
@@ -2845,9 +2850,9 @@
while (!pressed.isEmpty()) {
int32_t actionButton = BitSet32::valueForBit(pressed.clearFirstMarkedBit());
buttonState |= actionButton;
- NotifyMotionArgs pressArgs(when, getDeviceId(), mSource, displayId, policyFlags,
- AMOTION_EVENT_ACTION_BUTTON_PRESS, actionButton, 0,
- metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+ NotifyMotionArgs pressArgs(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags, AMOTION_EVENT_ACTION_BUTTON_PRESS,
+ actionButton, 0, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
/* deviceTimestamp */ 0, 1, &pointerProperties, &pointerCoords,
mXPrecision, mYPrecision, downTime);
getListener()->notifyMotion(&pressArgs);
@@ -2859,8 +2864,8 @@
// Send hover move after UP to tell the application that the mouse is hovering now.
if (motionEventAction == AMOTION_EVENT_ACTION_UP
&& (mSource == AINPUT_SOURCE_MOUSE)) {
- NotifyMotionArgs hoverArgs(when, getDeviceId(), mSource, displayId, policyFlags,
- AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0,
+ NotifyMotionArgs hoverArgs(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0,
metaState, currentButtonState, AMOTION_EVENT_EDGE_FLAG_NONE,
/* deviceTimestamp */ 0, 1, &pointerProperties, &pointerCoords,
mXPrecision, mYPrecision, downTime);
@@ -2872,7 +2877,8 @@
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
- NotifyMotionArgs scrollArgs(when, getDeviceId(), mSource, displayId, policyFlags,
+ NotifyMotionArgs scrollArgs(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags,
AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState, currentButtonState,
AMOTION_EVENT_EDGE_FLAG_NONE,
/* deviceTimestamp */ 0, 1, &pointerProperties, &pointerCoords,
@@ -3003,7 +3009,8 @@
int32_t metaState = mContext->getGlobalMetaState();
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_SCROLL, scroll * mScalingFactor);
- NotifyMotionArgs scrollArgs(when, getDeviceId(), mSource, displayId, policyFlags,
+ NotifyMotionArgs scrollArgs(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags,
AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState, 0,
AMOTION_EVENT_EDGE_FLAG_NONE,
/* deviceTimestamp */ 0, 1, &pointerProperties, &pointerCoords,
@@ -4698,7 +4705,8 @@
int32_t metaState = mContext->getGlobalMetaState();
policyFlags |= POLICY_FLAG_VIRTUAL;
- NotifyKeyArgs args(when, getDeviceId(), AINPUT_SOURCE_KEYBOARD, mViewport.displayId,
+ NotifyKeyArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), AINPUT_SOURCE_KEYBOARD,
+ mViewport.displayId,
policyFlags, keyEventAction, keyEventFlags, keyCode, scanCode, metaState, downTime);
getListener()->notifyKey(&args);
}
@@ -5392,8 +5400,8 @@
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
int32_t displayId = mPointerController->getDisplayId();
- NotifyMotionArgs args(when, getDeviceId(), mSource, displayId, policyFlags,
- AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0,
+ NotifyMotionArgs args(mContext->getNextSequenceNum(), when, displayId, mSource,
+ mViewport.displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0,
metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
/* deviceTimestamp */ 0, 1, &pointerProperties, &pointerCoords,
0, 0, mPointerGesture.downTime);
@@ -6317,7 +6325,8 @@
mPointerSimple.down = false;
// Send up.
- NotifyMotionArgs args(when, getDeviceId(), mSource, displayId, policyFlags,
+ NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags,
AMOTION_EVENT_ACTION_UP, 0, 0, metaState, mLastRawState.buttonState, 0,
/* deviceTimestamp */ 0,
1, &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
@@ -6330,7 +6339,8 @@
mPointerSimple.hovering = false;
// Send hover exit.
- NotifyMotionArgs args(when, getDeviceId(), mSource, displayId, policyFlags,
+ NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags,
AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0, metaState, mLastRawState.buttonState, 0,
/* deviceTimestamp */ 0,
1, &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
@@ -6345,7 +6355,8 @@
mPointerSimple.downTime = when;
// Send down.
- NotifyMotionArgs args(when, getDeviceId(), mSource, displayId, policyFlags,
+ NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags,
AMOTION_EVENT_ACTION_DOWN, 0, 0, metaState, mCurrentRawState.buttonState, 0,
/* deviceTimestamp */ 0,
1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
@@ -6355,7 +6366,8 @@
}
// Send move.
- NotifyMotionArgs args(when, getDeviceId(), mSource, displayId, policyFlags,
+ NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags,
AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState, mCurrentRawState.buttonState, 0,
/* deviceTimestamp */ 0,
1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
@@ -6369,7 +6381,8 @@
mPointerSimple.hovering = true;
// Send hover enter.
- NotifyMotionArgs args(when, getDeviceId(), mSource, displayId, policyFlags,
+ NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags,
AMOTION_EVENT_ACTION_HOVER_ENTER, 0, 0, metaState,
mCurrentRawState.buttonState, 0,
/* deviceTimestamp */ 0,
@@ -6380,7 +6393,8 @@
}
// Send hover move.
- NotifyMotionArgs args(when, getDeviceId(), mSource, displayId, policyFlags,
+ NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags,
AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, metaState,
mCurrentRawState.buttonState, 0,
/* deviceTimestamp */ 0,
@@ -6402,7 +6416,8 @@
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
- NotifyMotionArgs args(when, getDeviceId(), mSource, displayId, policyFlags,
+ NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+ mSource, displayId, policyFlags,
AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState, mCurrentRawState.buttonState, 0,
/* deviceTimestamp */ 0,
1, &mPointerSimple.currentProperties, &pointerCoords,
@@ -6466,7 +6481,8 @@
}
int32_t displayId = mPointerController != nullptr ?
mPointerController->getDisplayId() : mViewport.displayId;
- NotifyMotionArgs args(when, getDeviceId(), source, displayId, policyFlags,
+ NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+ source, displayId, policyFlags,
action, actionButton, flags, metaState, buttonState, edgeFlags,
deviceTimestamp, pointerCount, pointerProperties, pointerCoords,
xPrecision, yPrecision, downTime);
@@ -7390,8 +7406,8 @@
// TODO: Use the input device configuration to control this behavior more finely.
uint32_t policyFlags = 0;
- NotifyMotionArgs args(when, getDeviceId(), AINPUT_SOURCE_JOYSTICK, ADISPLAY_ID_NONE,
- policyFlags,
+ NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+ AINPUT_SOURCE_JOYSTICK, ADISPLAY_ID_NONE, policyFlags,
AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
/* deviceTimestamp */ 0, 1, &pointerProperties, &pointerCoords,
0, 0, 0);
diff --git a/services/inputflinger/InputReader.h b/services/inputflinger/InputReader.h
index 13f1bed..35f3c23 100644
--- a/services/inputflinger/InputReader.h
+++ b/services/inputflinger/InputReader.h
@@ -96,6 +96,8 @@
virtual InputReaderPolicyInterface* getPolicy() = 0;
virtual InputListenerInterface* getListener() = 0;
virtual EventHubInterface* getEventHub() = 0;
+
+ virtual uint32_t getNextSequenceNum() = 0;
};
@@ -168,6 +170,7 @@
virtual InputReaderPolicyInterface* getPolicy();
virtual InputListenerInterface* getListener();
virtual EventHubInterface* getEventHub();
+ virtual uint32_t getNextSequenceNum();
} mContext;
friend class ContextImpl;
@@ -183,6 +186,9 @@
InputReaderConfiguration mConfig;
+ // used by InputReaderContext::getNextSequenceNum() as a counter for event sequence numbers
+ uint32_t mNextSequenceNum;
+
// The event queue.
static const int EVENT_BUFFER_SIZE = 256;
RawEvent mEventBuffer[EVENT_BUFFER_SIZE];
diff --git a/services/inputflinger/include/InputListener.h b/services/inputflinger/include/InputListener.h
index a3d919b..f3a30ab 100644
--- a/services/inputflinger/include/InputListener.h
+++ b/services/inputflinger/include/InputListener.h
@@ -28,6 +28,12 @@
/* Superclass of all input event argument objects */
struct NotifyArgs {
+ uint32_t sequenceNum;
+
+ inline NotifyArgs() : sequenceNum(0) { }
+
+ inline explicit NotifyArgs(uint32_t sequenceNum) : sequenceNum(sequenceNum) { }
+
virtual ~NotifyArgs() { }
virtual void notify(const sp<InputListenerInterface>& listener) const = 0;
@@ -40,7 +46,7 @@
inline NotifyConfigurationChangedArgs() { }
- explicit NotifyConfigurationChangedArgs(nsecs_t eventTime);
+ NotifyConfigurationChangedArgs(uint32_t sequenceNum, nsecs_t eventTime);
NotifyConfigurationChangedArgs(const NotifyConfigurationChangedArgs& other);
@@ -66,9 +72,9 @@
inline NotifyKeyArgs() { }
- NotifyKeyArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source, int32_t displayId,
- uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode,
- int32_t metaState, nsecs_t downTime);
+ NotifyKeyArgs(uint32_t sequenceNum, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ int32_t displayId, uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode,
+ int32_t scanCode, int32_t metaState, nsecs_t downTime);
NotifyKeyArgs(const NotifyKeyArgs& other);
@@ -107,8 +113,8 @@
inline NotifyMotionArgs() { }
- NotifyMotionArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source, int32_t displayId,
- uint32_t policyFlags,
+ NotifyMotionArgs(uint32_t sequenceNum, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ int32_t displayId, uint32_t policyFlags,
int32_t action, int32_t actionButton, int32_t flags,
int32_t metaState, int32_t buttonState,
int32_t edgeFlags, uint32_t deviceTimestamp, uint32_t pointerCount,
@@ -132,7 +138,7 @@
inline NotifySwitchArgs() { }
- NotifySwitchArgs(nsecs_t eventTime, uint32_t policyFlags,
+ NotifySwitchArgs(uint32_t sequenceNum, nsecs_t eventTime, uint32_t policyFlags,
uint32_t switchValues, uint32_t switchMask);
NotifySwitchArgs(const NotifySwitchArgs& other);
@@ -151,7 +157,7 @@
inline NotifyDeviceResetArgs() { }
- NotifyDeviceResetArgs(nsecs_t eventTime, int32_t deviceId);
+ NotifyDeviceResetArgs(uint32_t sequenceNum, nsecs_t eventTime, int32_t deviceId);
NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other);
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index b18cae3..855247f 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -853,13 +853,14 @@
int32_t mGlobalMetaState;
bool mUpdateGlobalMetaStateWasCalled;
int32_t mGeneration;
+ uint32_t mNextSequenceNum;
public:
FakeInputReaderContext(const sp<EventHubInterface>& eventHub,
const sp<InputReaderPolicyInterface>& policy,
const sp<InputListenerInterface>& listener) :
mEventHub(eventHub), mPolicy(policy), mListener(listener),
- mGlobalMetaState(0) {
+ mGlobalMetaState(0), mNextSequenceNum(1) {
}
virtual ~FakeInputReaderContext() { }
@@ -923,6 +924,10 @@
virtual void dispatchExternalStylusState(const StylusState&) {
}
+
+ virtual uint32_t getNextSequenceNum() {
+ return mNextSequenceNum++;
+ }
};
@@ -1568,6 +1573,39 @@
ASSERT_EQ(1, event.value);
}
+TEST_F(InputReaderTest, DeviceReset_IncrementsSequenceNumber) {
+ constexpr int32_t deviceId = 1;
+ constexpr uint32_t deviceClass = INPUT_DEVICE_CLASS_KEYBOARD;
+ InputDevice* device = mReader->newDevice(deviceId, 0, "fake", deviceClass);
+ // Must add at least one mapper or the device will be ignored!
+ FakeInputMapper* mapper = new FakeInputMapper(device, AINPUT_SOURCE_KEYBOARD);
+ device->addMapper(mapper);
+ mReader->setNextDevice(device);
+ addDevice(deviceId, "fake", deviceClass, nullptr);
+
+ NotifyDeviceResetArgs resetArgs;
+ ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
+ uint32_t prevSequenceNum = resetArgs.sequenceNum;
+
+ disableDevice(deviceId, device);
+ mReader->loopOnce();
+ mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs);
+ ASSERT_TRUE(prevSequenceNum < resetArgs.sequenceNum);
+ prevSequenceNum = resetArgs.sequenceNum;
+
+ enableDevice(deviceId, device);
+ mReader->loopOnce();
+ mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs);
+ ASSERT_TRUE(prevSequenceNum < resetArgs.sequenceNum);
+ prevSequenceNum = resetArgs.sequenceNum;
+
+ disableDevice(deviceId, device);
+ mReader->loopOnce();
+ mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs);
+ ASSERT_TRUE(prevSequenceNum < resetArgs.sequenceNum);
+ prevSequenceNum = resetArgs.sequenceNum;
+}
+
// --- InputDeviceTest ---