Move input library code from frameworks/base.
Change-Id: I4983db61b53e28479fc90d9211fafff68f7f49a6
diff --git a/include/input/Keyboard.h b/include/input/Keyboard.h
new file mode 100644
index 0000000..846cb0c
--- /dev/null
+++ b/include/input/Keyboard.h
@@ -0,0 +1,120 @@
+/*
+ * 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 _LIBINPUT_KEYBOARD_H
+#define _LIBINPUT_KEYBOARD_H
+
+#include <input/Input.h>
+#include <input/InputDevice.h>
+#include <utils/Errors.h>
+#include <utils/String8.h>
+#include <utils/PropertyMap.h>
+
+namespace android {
+
+enum {
+ /* Device id of the built in keyboard. */
+ DEVICE_ID_BUILT_IN_KEYBOARD = 0,
+
+ /* Device id of a generic virtual keyboard with a full layout that can be used
+ * to synthesize key events. */
+ DEVICE_ID_VIRTUAL_KEYBOARD = -1,
+};
+
+class KeyLayoutMap;
+class KeyCharacterMap;
+
+/**
+ * Loads the key layout map and key character map for a keyboard device.
+ */
+class KeyMap {
+public:
+ String8 keyLayoutFile;
+ sp<KeyLayoutMap> keyLayoutMap;
+
+ String8 keyCharacterMapFile;
+ sp<KeyCharacterMap> keyCharacterMap;
+
+ KeyMap();
+ ~KeyMap();
+
+ status_t load(const InputDeviceIdentifier& deviceIdenfier,
+ const PropertyMap* deviceConfiguration);
+
+ inline bool haveKeyLayout() const {
+ return !keyLayoutFile.isEmpty();
+ }
+
+ inline bool haveKeyCharacterMap() const {
+ return !keyCharacterMapFile.isEmpty();
+ }
+
+ inline bool isComplete() const {
+ return haveKeyLayout() && haveKeyCharacterMap();
+ }
+
+private:
+ bool probeKeyMap(const InputDeviceIdentifier& deviceIdentifier, const String8& name);
+ status_t loadKeyLayout(const InputDeviceIdentifier& deviceIdentifier, const String8& name);
+ status_t loadKeyCharacterMap(const InputDeviceIdentifier& deviceIdentifier,
+ const String8& name);
+ String8 getPath(const InputDeviceIdentifier& deviceIdentifier,
+ const String8& name, InputDeviceConfigurationFileType type);
+};
+
+/**
+ * Returns true if the keyboard is eligible for use as a built-in keyboard.
+ */
+extern bool isEligibleBuiltInKeyboard(const InputDeviceIdentifier& deviceIdentifier,
+ const PropertyMap* deviceConfiguration, const KeyMap* keyMap);
+
+/**
+ * Gets a key code by its short form label, eg. "HOME".
+ * Returns 0 if unknown.
+ */
+extern int32_t getKeyCodeByLabel(const char* label);
+
+/**
+ * Gets a key flag by its short form label, eg. "WAKE".
+ * Returns 0 if unknown.
+ */
+extern uint32_t getKeyFlagByLabel(const char* label);
+
+/**
+ * Gets a axis by its short form label, eg. "X".
+ * Returns -1 if unknown.
+ */
+extern int32_t getAxisByLabel(const char* label);
+
+/**
+ * Gets a axis label by its id.
+ * Returns NULL if unknown.
+ */
+extern const char* getAxisLabel(int32_t axisId);
+
+/**
+ * Updates a meta state field when a key is pressed or released.
+ */
+extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
+
+/**
+ * Returns true if a key is a meta key like ALT or CAPS_LOCK.
+ */
+extern bool isMetaKey(int32_t keyCode);
+
+} // namespace android
+
+#endif // _LIBINPUT_KEYBOARD_H