Move inputservice over to frameworks/native (d02c5b6a) · Commits · e / os / android_frameworks_native

include/powermanager/PowerManager.h

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		@@ -24,6 +24,14 @@ enum {
		POWERMANAGER_PARTIAL_WAKE_LOCK = 1, // equals PowerManager.PARTIAL_WAKE_LOCK constant
		};

		enum {
		USER_ACTIVITY_EVENT_OTHER = 0,
		USER_ACTIVITY_EVENT_BUTTON = 1,
		USER_ACTIVITY_EVENT_TOUCH = 2,

		USER_ACTIVITY_EVENT_LAST = USER_ACTIVITY_EVENT_TOUCH, // Last valid event code.
		};

		}; // namespace android

		#endif // ANDROID_POWERMANAGER_H

services/inputflinger/Android.mk

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		@@ -16,6 +16,13 @@ LOCAL_PATH:= $(call my-dir)
		include $(CLEAR_VARS)

		LOCAL_SRC_FILES:= \
		EventHub.cpp \
		InputApplication.cpp \
		InputDispatcher.cpp \
		InputListener.cpp \
		InputManager.cpp \
		InputReader.cpp \
		InputWindow.cpp \
		InputFlinger.cpp

		LOCAL_SHARED_LIBRARIES := \
		@@ -23,9 +30,15 @@ LOCAL_SHARED_LIBRARIES := \
		libcutils \
		libinput \
		liblog \
		libutils
		libutils \
		libui \
		libhardware_legacy


		# TODO: Move inputflinger to its own process and mark it hidden
		#LOCAL_CFLAGS += -fvisibility=hidden

		LOCAL_CFLAGS += -fvisibility=hidden
		LOCAL_CFLAGS += -Wno-unused-parameter

		LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)

services/inputflinger/EventHub.cpp

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services/inputflinger/EventHub.h

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		/*
		* 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 <input/Input.h>
		#include <input/InputDevice.h>
		#include <input/Keyboard.h>
		#include <input/KeyLayoutMap.h>
		#include <input/KeyCharacterMap.h>
		#include <input/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 <utils/KeyedVector.h>
		#include <utils/BitSet.h>

		#include <linux/input.h>
		#include <sys/epoll.h>

		/* Convenience constants. */

		#define BTN_FIRST 0x100 // first button code
		#define BTN_LAST 0x15f // last button code

		/*
		* These constants are used privately in Android to pass raw timestamps
		* through evdev from uinput device drivers because there is currently no
		* other way to transfer this information. The evdev driver automatically
		* timestamps all input events with the time they were posted and clobbers
		* whatever information was passed in.
		*
		* For the purposes of this hack, the timestamp is specified in the
		* CLOCK_MONOTONIC timebase and is split into two EV_MSC events specifying
		* seconds and microseconds.
		*/
		#define MSC_ANDROID_TIME_SEC 0x6
		#define MSC_ANDROID_TIME_USEC 0x7

		namespace android {

		enum {
		// Device id of a special "virtual" keyboard that is always present.
		VIRTUAL_KEYBOARD_ID = -1,
		// Device id of the "built-in" keyboard if there is one.
		BUILT_IN_KEYBOARD_ID = 0,
		};

		/*
		* A raw event as retrieved from the EventHub.
		*/
		struct RawEvent {
		nsecs_t when;
		int32_t deviceId;
		int32_t type;
		int32_t code;
		int32_t value;
		};

		/* 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
		int32_t resolution; // resolution in units per mm or radians per mm

		inline void clear() {
		valid = false;
		minValue = 0;
		maxValue = 0;
		flat = 0;
		fuzz = 0;
		resolution = 0;
		}
		};

		/*
		* Input device classes.
		*/
		enum {
		/* The input device is a keyboard or has buttons. */
		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 or a touchpad (either single-touch or multi-touch). */
		INPUT_DEVICE_CLASS_TOUCH = 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_TOUCH_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,

		/* The input device is a joystick (implies gamepad, has joystick absolute axes). */
		INPUT_DEVICE_CLASS_JOYSTICK = 0x00000100,

		/* The input device has a vibrator (supports FF_RUMBLE). */
		INPUT_DEVICE_CLASS_VIBRATOR = 0x00000200,

		/* The input device is virtual (not a real device, not part of UI configuration). */
		INPUT_DEVICE_CLASS_VIRTUAL = 0x40000000,

		/* The input device is external (not built-in). */
		INPUT_DEVICE_CLASS_EXTERNAL = 0x80000000,
		};

		/*
		* Gets the class that owns an axis, in cases where multiple classes might claim
		* the same axis for different purposes.
		*/
		extern uint32_t getAbsAxisUsage(int32_t axis, uint32_t deviceClasses);

		/*
		* 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,

		FIRST_SYNTHETIC_EVENT = DEVICE_ADDED,
		};

		virtual uint32_t getDeviceClasses(int32_t deviceId) const = 0;

		virtual InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const = 0;

		virtual int32_t getDeviceControllerNumber(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 bool hasRelativeAxis(int32_t deviceId, int axis) const = 0;

		virtual bool hasInputProperty(int32_t deviceId, int property) const = 0;

		virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
		int32_t* outKeycode, uint32_t* outFlags) const = 0;

		virtual status_t mapAxis(int32_t deviceId, int32_t scanCode,
		AxisInfo* outAxisInfo) const = 0;

		// Sets devices that are excluded from opening.
		// This can be used to ignore input devices for sensors.
		virtual void setExcludedDevices(const Vector<String8>& devices) = 0;

		/*
		* Wait for events to become available and returns them.
		* 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).
		*
		* The timeout is advisory only. If the device is asleep, it will not wake just to
		* service the timeout.
		*
		* Returns the number of events obtained, or 0 if the timeout expired.
		*/
		virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) = 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;
		virtual status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis,
		int32_t* outValue) 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 hasScanCode(int32_t deviceId, int32_t scanCode) const = 0;

		/* LED related functions expect Android LED constants, not scan codes or HID usages */
		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 sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const = 0;
		virtual bool setKeyboardLayoutOverlay(int32_t deviceId, const sp<KeyCharacterMap>& map) = 0;

		/* Control the vibrator. */
		virtual void vibrate(int32_t deviceId, nsecs_t duration) = 0;
		virtual void cancelVibrate(int32_t deviceId) = 0;

		/* Requests the EventHub to reopen all input devices on the next call to getEvents(). */
		virtual void requestReopenDevices() = 0;

		/* Wakes up getEvents() if it is blocked on a read. */
		virtual void wake() = 0;

		/* Dump EventHub state to a string. */
		virtual void dump(String8& dump) = 0;

		/* Called by the heatbeat to ensures that the reader has not deadlocked. */
		virtual void monitor() = 0;
		};

		class EventHub : public EventHubInterface
		{
		public:
		EventHub();

		virtual uint32_t getDeviceClasses(int32_t deviceId) const;

		virtual InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const;

		virtual int32_t getDeviceControllerNumber(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 bool hasRelativeAxis(int32_t deviceId, int axis) const;

		virtual bool hasInputProperty(int32_t deviceId, int property) const;

		virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
		int32_t* outKeycode, uint32_t* outFlags) const;

		virtual status_t mapAxis(int32_t deviceId, int32_t scanCode,
		AxisInfo* outAxisInfo) const;

		virtual void setExcludedDevices(const Vector<String8>& devices);

		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 status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const;

		virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes,
		const int32_t* keyCodes, uint8_t* outFlags) const;

		virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize);

		virtual bool hasScanCode(int32_t deviceId, int32_t scanCode) const;
		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 sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const;
		virtual bool setKeyboardLayoutOverlay(int32_t deviceId, const sp<KeyCharacterMap>& map);

		virtual void vibrate(int32_t deviceId, nsecs_t duration);
		virtual void cancelVibrate(int32_t deviceId);

		virtual void requestReopenDevices();

		virtual void wake();

		virtual void dump(String8& dump);
		virtual void monitor();

		protected:
		virtual ~EventHub();

		private:
		struct Device {
		Device* next;

		int fd; // may be -1 if device is virtual
		const int32_t id;
		const String8 path;
		const InputDeviceIdentifier identifier;

		uint32_t classes;

		uint8_t keyBitmask[(KEY_MAX + 1) / 8];
		uint8_t absBitmask[(ABS_MAX + 1) / 8];
		uint8_t relBitmask[(REL_MAX + 1) / 8];
		uint8_t swBitmask[(SW_MAX + 1) / 8];
		uint8_t ledBitmask[(LED_MAX + 1) / 8];
		uint8_t ffBitmask[(FF_MAX + 1) / 8];
		uint8_t propBitmask[(INPUT_PROP_MAX + 1) / 8];

		String8 configurationFile;
		PropertyMap* configuration;
		VirtualKeyMap* virtualKeyMap;
		KeyMap keyMap;

		sp<KeyCharacterMap> overlayKeyMap;
		sp<KeyCharacterMap> combinedKeyMap;

		bool ffEffectPlaying;
		int16_t ffEffectId; // initially -1

		int32_t controllerNumber;

		int32_t timestampOverrideSec;
		int32_t timestampOverrideUsec;

		Device(int fd, int32_t id, const String8& path, const InputDeviceIdentifier& identifier);
		~Device();

		void close();

		inline bool isVirtual() const { return fd < 0; }

		const sp<KeyCharacterMap>& getKeyCharacterMap() const {
		if (combinedKeyMap != NULL) {
		return combinedKeyMap;
		}
		return keyMap.keyCharacterMap;
		}
		};

		status_t openDeviceLocked(const char *devicePath);
		void createVirtualKeyboardLocked();
		void addDeviceLocked(Device* device);
		void assignDescriptorLocked(InputDeviceIdentifier& identifier);

		status_t closeDeviceByPathLocked(const char *devicePath);
		void closeDeviceLocked(Device* device);
		void closeAllDevicesLocked();

		status_t scanDirLocked(const char *dirname);
		void scanDevicesLocked();
		status_t readNotifyLocked();

		Device* getDeviceByDescriptorLocked(String8& descriptor) const;
		Device* getDeviceLocked(int32_t deviceId) const;
		Device* getDeviceByPathLocked(const char* devicePath) const;

		bool hasKeycodeLocked(Device* device, int keycode) const;

		void loadConfigurationLocked(Device* device);
		status_t loadVirtualKeyMapLocked(Device* device);
		status_t loadKeyMapLocked(Device* device);

		bool isExternalDeviceLocked(Device* device);

		int32_t getNextControllerNumberLocked(Device* device);
		void releaseControllerNumberLocked(Device* device);
		void setLedForController(Device* device);

		status_t mapLed(Device* device, int32_t led, int32_t* outScanCode) const;
		void setLedStateLocked(Device* device, int32_t led, bool on);

		// Protect all internal state.
		mutable Mutex mLock;

		// The actual id of the built-in keyboard, or NO_BUILT_IN_KEYBOARD if none.
		// EventHub remaps the built-in keyboard to id 0 externally as required by the API.
		enum {
		// Must not conflict with any other assigned device ids, including
		// the virtual keyboard id (-1).
		NO_BUILT_IN_KEYBOARD = -2,
		};
		int32_t mBuiltInKeyboardId;

		int32_t mNextDeviceId;

		BitSet32 mControllerNumbers;

		KeyedVector<int32_t, Device*> mDevices;

		Device *mOpeningDevices;
		Device *mClosingDevices;

		bool mNeedToSendFinishedDeviceScan;
		bool mNeedToReopenDevices;
		bool mNeedToScanDevices;
		Vector<String8> mExcludedDevices;

		int mEpollFd;
		int mINotifyFd;
		int mWakeReadPipeFd;
		int mWakeWritePipeFd;

		// Ids used for epoll notifications not associated with devices.
		static const uint32_t EPOLL_ID_INOTIFY = 0x80000001;
		static const uint32_t EPOLL_ID_WAKE = 0x80000002;

		// Epoll FD list size hint.
		static const int EPOLL_SIZE_HINT = 8;

		// Maximum number of signalled FDs to handle at a time.
		static const int EPOLL_MAX_EVENTS = 16;

		// The array of pending epoll events and the index of the next event to be handled.
		struct epoll_event mPendingEventItems[EPOLL_MAX_EVENTS];
		size_t mPendingEventCount;
		size_t mPendingEventIndex;
		bool mPendingINotify;

		bool mUsingEpollWakeup;
		};

		}; // namespace android

		#endif // _RUNTIME_EVENT_HUB_H

services/inputflinger/InputApplication.cpp

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		/*
		* Copyright (C) 2011 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 "InputApplication"

		#include "InputApplication.h"

		#include <cutils/log.h>

		namespace android {

		// --- InputApplicationHandle ---

		InputApplicationHandle::InputApplicationHandle() :
		mInfo(NULL) {
		}

		InputApplicationHandle::~InputApplicationHandle() {
		delete mInfo;
		}

		void InputApplicationHandle::releaseInfo() {
		if (mInfo) {
		delete mInfo;
		mInfo = NULL;
		}
		}

		} // namespace android