db1972bd8e
* commit '26063a9155ddd18d858cea7fac7c1ddf71e1bcb7': x86_64: Align uint64_t/int64_t structure member to 8 bytes
643 lines
19 KiB
C++
643 lines
19 KiB
C++
/*
|
|
* 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_INPUT_H
|
|
#define _LIBINPUT_INPUT_H
|
|
|
|
/**
|
|
* Native input event structures.
|
|
*/
|
|
|
|
#include <android/input.h>
|
|
#include <utils/BitSet.h>
|
|
#include <utils/KeyedVector.h>
|
|
#include <utils/RefBase.h>
|
|
#include <utils/String8.h>
|
|
#include <utils/Timers.h>
|
|
#include <utils/Vector.h>
|
|
|
|
/*
|
|
* Additional private constants not defined in ndk/ui/input.h.
|
|
*/
|
|
enum {
|
|
/* Signifies that the key is being predispatched */
|
|
AKEY_EVENT_FLAG_PREDISPATCH = 0x20000000,
|
|
|
|
/* Private control to determine when an app is tracking a key sequence. */
|
|
AKEY_EVENT_FLAG_START_TRACKING = 0x40000000,
|
|
|
|
/* Key event is inconsistent with previously sent key events. */
|
|
AKEY_EVENT_FLAG_TAINTED = 0x80000000,
|
|
};
|
|
|
|
enum {
|
|
/* Motion event is inconsistent with previously sent motion events. */
|
|
AMOTION_EVENT_FLAG_TAINTED = 0x80000000,
|
|
};
|
|
|
|
enum {
|
|
/* Used when a motion event is not associated with any display.
|
|
* Typically used for non-pointer events. */
|
|
ADISPLAY_ID_NONE = -1,
|
|
|
|
/* The default display id. */
|
|
ADISPLAY_ID_DEFAULT = 0,
|
|
};
|
|
|
|
enum {
|
|
/*
|
|
* Indicates that an input device has switches.
|
|
* This input source flag is hidden from the API because switches are only used by the system
|
|
* and applications have no way to interact with them.
|
|
*/
|
|
AINPUT_SOURCE_SWITCH = 0x80000000,
|
|
};
|
|
|
|
enum {
|
|
/**
|
|
* Constants for LEDs. Hidden from the API since we don't actually expose a way to interact
|
|
* with LEDs to developers
|
|
*
|
|
* NOTE: If you add LEDs here, you must also add them to InputEventLabels.h
|
|
*/
|
|
|
|
ALED_NUM_LOCK = 0x00,
|
|
ALED_CAPS_LOCK = 0x01,
|
|
ALED_SCROLL_LOCK = 0x02,
|
|
ALED_COMPOSE = 0x03,
|
|
ALED_KANA = 0x04,
|
|
ALED_SLEEP = 0x05,
|
|
ALED_SUSPEND = 0x06,
|
|
ALED_MUTE = 0x07,
|
|
ALED_MISC = 0x08,
|
|
ALED_MAIL = 0x09,
|
|
ALED_CHARGING = 0x0a,
|
|
ALED_CONTROLLER_1 = 0x10,
|
|
ALED_CONTROLLER_2 = 0x11,
|
|
ALED_CONTROLLER_3 = 0x12,
|
|
ALED_CONTROLLER_4 = 0x13,
|
|
};
|
|
|
|
/* Maximum number of controller LEDs we support */
|
|
#define MAX_CONTROLLER_LEDS 4
|
|
|
|
/*
|
|
* SystemUiVisibility constants from View.
|
|
*/
|
|
enum {
|
|
ASYSTEM_UI_VISIBILITY_STATUS_BAR_VISIBLE = 0,
|
|
ASYSTEM_UI_VISIBILITY_STATUS_BAR_HIDDEN = 0x00000001,
|
|
};
|
|
|
|
/*
|
|
* Maximum number of pointers supported per motion event.
|
|
* Smallest number of pointers is 1.
|
|
* (We want at least 10 but some touch controllers obstensibly configured for 10 pointers
|
|
* will occasionally emit 11. There is not much harm making this constant bigger.)
|
|
*/
|
|
#define MAX_POINTERS 16
|
|
|
|
/*
|
|
* Maximum pointer id value supported in a motion event.
|
|
* Smallest pointer id is 0.
|
|
* (This is limited by our use of BitSet32 to track pointer assignments.)
|
|
*/
|
|
#define MAX_POINTER_ID 31
|
|
|
|
/*
|
|
* Declare a concrete type for the NDK's input event forward declaration.
|
|
*/
|
|
struct AInputEvent {
|
|
virtual ~AInputEvent() { }
|
|
};
|
|
|
|
/*
|
|
* Declare a concrete type for the NDK's input device forward declaration.
|
|
*/
|
|
struct AInputDevice {
|
|
virtual ~AInputDevice() { }
|
|
};
|
|
|
|
|
|
namespace android {
|
|
|
|
#ifdef HAVE_ANDROID_OS
|
|
class Parcel;
|
|
#endif
|
|
|
|
/*
|
|
* Flags that flow alongside events in the input dispatch system to help with certain
|
|
* policy decisions such as waking from device sleep.
|
|
*
|
|
* These flags are also defined in frameworks/base/core/java/android/view/WindowManagerPolicy.java.
|
|
*/
|
|
enum {
|
|
/* These flags originate in RawEvents and are generally set in the key map.
|
|
* NOTE: If you want a flag to be able to set in a keylayout file, then you must add it to
|
|
* InputEventLabels.h as well. */
|
|
|
|
POLICY_FLAG_WAKE = 0x00000001,
|
|
POLICY_FLAG_VIRTUAL = 0x00000002,
|
|
POLICY_FLAG_FUNCTION = 0x00000004,
|
|
|
|
POLICY_FLAG_RAW_MASK = 0x0000ffff,
|
|
|
|
/* These flags are set by the input dispatcher. */
|
|
|
|
// Indicates that the input event was injected.
|
|
POLICY_FLAG_INJECTED = 0x01000000,
|
|
|
|
// Indicates that the input event is from a trusted source such as a directly attached
|
|
// input device or an application with system-wide event injection permission.
|
|
POLICY_FLAG_TRUSTED = 0x02000000,
|
|
|
|
// Indicates that the input event has passed through an input filter.
|
|
POLICY_FLAG_FILTERED = 0x04000000,
|
|
|
|
// Disables automatic key repeating behavior.
|
|
POLICY_FLAG_DISABLE_KEY_REPEAT = 0x08000000,
|
|
|
|
/* These flags are set by the input reader policy as it intercepts each event. */
|
|
|
|
// Indicates that the device was in an interactive state when the
|
|
// event was intercepted.
|
|
POLICY_FLAG_INTERACTIVE = 0x20000000,
|
|
|
|
// Indicates that the event should be dispatched to applications.
|
|
// The input event should still be sent to the InputDispatcher so that it can see all
|
|
// input events received include those that it will not deliver.
|
|
POLICY_FLAG_PASS_TO_USER = 0x40000000,
|
|
};
|
|
|
|
/*
|
|
* Pointer coordinate data.
|
|
*/
|
|
struct PointerCoords {
|
|
enum { MAX_AXES = 14 }; // 14 so that sizeof(PointerCoords) == 64
|
|
|
|
// Bitfield of axes that are present in this structure.
|
|
uint64_t bits __attribute__((aligned(8)));
|
|
|
|
// Values of axes that are stored in this structure packed in order by axis id
|
|
// for each axis that is present in the structure according to 'bits'.
|
|
float values[MAX_AXES];
|
|
|
|
inline void clear() {
|
|
BitSet64::clear(bits);
|
|
}
|
|
|
|
bool isEmpty() const {
|
|
return BitSet64::isEmpty(bits);
|
|
}
|
|
|
|
float getAxisValue(int32_t axis) const;
|
|
status_t setAxisValue(int32_t axis, float value);
|
|
|
|
void scale(float scale);
|
|
void applyOffset(float xOffset, float yOffset);
|
|
|
|
inline float getX() const {
|
|
return getAxisValue(AMOTION_EVENT_AXIS_X);
|
|
}
|
|
|
|
inline float getY() const {
|
|
return getAxisValue(AMOTION_EVENT_AXIS_Y);
|
|
}
|
|
|
|
#ifdef HAVE_ANDROID_OS
|
|
status_t readFromParcel(Parcel* parcel);
|
|
status_t writeToParcel(Parcel* parcel) const;
|
|
#endif
|
|
|
|
bool operator==(const PointerCoords& other) const;
|
|
inline bool operator!=(const PointerCoords& other) const {
|
|
return !(*this == other);
|
|
}
|
|
|
|
void copyFrom(const PointerCoords& other);
|
|
|
|
private:
|
|
void tooManyAxes(int axis);
|
|
};
|
|
|
|
/*
|
|
* Pointer property data.
|
|
*/
|
|
struct PointerProperties {
|
|
// The id of the pointer.
|
|
int32_t id;
|
|
|
|
// The pointer tool type.
|
|
int32_t toolType;
|
|
|
|
inline void clear() {
|
|
id = -1;
|
|
toolType = 0;
|
|
}
|
|
|
|
bool operator==(const PointerProperties& other) const;
|
|
inline bool operator!=(const PointerProperties& other) const {
|
|
return !(*this == other);
|
|
}
|
|
|
|
void copyFrom(const PointerProperties& other);
|
|
};
|
|
|
|
/*
|
|
* Input events.
|
|
*/
|
|
class InputEvent : public AInputEvent {
|
|
public:
|
|
virtual ~InputEvent() { }
|
|
|
|
virtual int32_t getType() const = 0;
|
|
|
|
inline int32_t getDeviceId() const { return mDeviceId; }
|
|
|
|
inline int32_t getSource() const { return mSource; }
|
|
|
|
inline void setSource(int32_t source) { mSource = source; }
|
|
|
|
protected:
|
|
void initialize(int32_t deviceId, int32_t source);
|
|
void initialize(const InputEvent& from);
|
|
|
|
int32_t mDeviceId;
|
|
int32_t mSource;
|
|
};
|
|
|
|
/*
|
|
* Key events.
|
|
*/
|
|
class KeyEvent : public InputEvent {
|
|
public:
|
|
virtual ~KeyEvent() { }
|
|
|
|
virtual int32_t getType() const { return AINPUT_EVENT_TYPE_KEY; }
|
|
|
|
inline int32_t getAction() const { return mAction; }
|
|
|
|
inline int32_t getFlags() const { return mFlags; }
|
|
|
|
inline void setFlags(int32_t flags) { mFlags = flags; }
|
|
|
|
inline int32_t getKeyCode() const { return mKeyCode; }
|
|
|
|
inline int32_t getScanCode() const { return mScanCode; }
|
|
|
|
inline int32_t getMetaState() const { return mMetaState; }
|
|
|
|
inline int32_t getRepeatCount() const { return mRepeatCount; }
|
|
|
|
inline nsecs_t getDownTime() const { return mDownTime; }
|
|
|
|
inline nsecs_t getEventTime() const { return mEventTime; }
|
|
|
|
static const char* getLabel(int32_t keyCode);
|
|
static int32_t getKeyCodeFromLabel(const char* label);
|
|
|
|
void initialize(
|
|
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,
|
|
nsecs_t eventTime);
|
|
void initialize(const KeyEvent& from);
|
|
|
|
protected:
|
|
int32_t mAction;
|
|
int32_t mFlags;
|
|
int32_t mKeyCode;
|
|
int32_t mScanCode;
|
|
int32_t mMetaState;
|
|
int32_t mRepeatCount;
|
|
nsecs_t mDownTime;
|
|
nsecs_t mEventTime;
|
|
};
|
|
|
|
/*
|
|
* Motion events.
|
|
*/
|
|
class MotionEvent : public InputEvent {
|
|
public:
|
|
virtual ~MotionEvent() { }
|
|
|
|
virtual int32_t getType() const { return AINPUT_EVENT_TYPE_MOTION; }
|
|
|
|
inline int32_t getAction() const { return mAction; }
|
|
|
|
inline int32_t getActionMasked() const { return mAction & AMOTION_EVENT_ACTION_MASK; }
|
|
|
|
inline int32_t getActionIndex() const {
|
|
return (mAction & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK)
|
|
>> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
|
|
}
|
|
|
|
inline void setAction(int32_t action) { mAction = action; }
|
|
|
|
inline int32_t getFlags() const { return mFlags; }
|
|
|
|
inline void setFlags(int32_t flags) { mFlags = flags; }
|
|
|
|
inline int32_t getEdgeFlags() const { return mEdgeFlags; }
|
|
|
|
inline void setEdgeFlags(int32_t edgeFlags) { mEdgeFlags = edgeFlags; }
|
|
|
|
inline int32_t getMetaState() const { return mMetaState; }
|
|
|
|
inline void setMetaState(int32_t metaState) { mMetaState = metaState; }
|
|
|
|
inline int32_t getButtonState() const { return mButtonState; }
|
|
|
|
inline float getXOffset() const { return mXOffset; }
|
|
|
|
inline float getYOffset() const { return mYOffset; }
|
|
|
|
inline float getXPrecision() const { return mXPrecision; }
|
|
|
|
inline float getYPrecision() const { return mYPrecision; }
|
|
|
|
inline nsecs_t getDownTime() const { return mDownTime; }
|
|
|
|
inline void setDownTime(nsecs_t downTime) { mDownTime = downTime; }
|
|
|
|
inline size_t getPointerCount() const { return mPointerProperties.size(); }
|
|
|
|
inline const PointerProperties* getPointerProperties(size_t pointerIndex) const {
|
|
return &mPointerProperties[pointerIndex];
|
|
}
|
|
|
|
inline int32_t getPointerId(size_t pointerIndex) const {
|
|
return mPointerProperties[pointerIndex].id;
|
|
}
|
|
|
|
inline int32_t getToolType(size_t pointerIndex) const {
|
|
return mPointerProperties[pointerIndex].toolType;
|
|
}
|
|
|
|
inline nsecs_t getEventTime() const { return mSampleEventTimes[getHistorySize()]; }
|
|
|
|
const PointerCoords* getRawPointerCoords(size_t pointerIndex) const;
|
|
|
|
float getRawAxisValue(int32_t axis, size_t pointerIndex) const;
|
|
|
|
inline float getRawX(size_t pointerIndex) const {
|
|
return getRawAxisValue(AMOTION_EVENT_AXIS_X, pointerIndex);
|
|
}
|
|
|
|
inline float getRawY(size_t pointerIndex) const {
|
|
return getRawAxisValue(AMOTION_EVENT_AXIS_Y, pointerIndex);
|
|
}
|
|
|
|
float getAxisValue(int32_t axis, size_t pointerIndex) const;
|
|
|
|
inline float getX(size_t pointerIndex) const {
|
|
return getAxisValue(AMOTION_EVENT_AXIS_X, pointerIndex);
|
|
}
|
|
|
|
inline float getY(size_t pointerIndex) const {
|
|
return getAxisValue(AMOTION_EVENT_AXIS_Y, pointerIndex);
|
|
}
|
|
|
|
inline float getPressure(size_t pointerIndex) const {
|
|
return getAxisValue(AMOTION_EVENT_AXIS_PRESSURE, pointerIndex);
|
|
}
|
|
|
|
inline float getSize(size_t pointerIndex) const {
|
|
return getAxisValue(AMOTION_EVENT_AXIS_SIZE, pointerIndex);
|
|
}
|
|
|
|
inline float getTouchMajor(size_t pointerIndex) const {
|
|
return getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, pointerIndex);
|
|
}
|
|
|
|
inline float getTouchMinor(size_t pointerIndex) const {
|
|
return getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, pointerIndex);
|
|
}
|
|
|
|
inline float getToolMajor(size_t pointerIndex) const {
|
|
return getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, pointerIndex);
|
|
}
|
|
|
|
inline float getToolMinor(size_t pointerIndex) const {
|
|
return getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, pointerIndex);
|
|
}
|
|
|
|
inline float getOrientation(size_t pointerIndex) const {
|
|
return getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, pointerIndex);
|
|
}
|
|
|
|
inline size_t getHistorySize() const { return mSampleEventTimes.size() - 1; }
|
|
|
|
inline nsecs_t getHistoricalEventTime(size_t historicalIndex) const {
|
|
return mSampleEventTimes[historicalIndex];
|
|
}
|
|
|
|
const PointerCoords* getHistoricalRawPointerCoords(
|
|
size_t pointerIndex, size_t historicalIndex) const;
|
|
|
|
float getHistoricalRawAxisValue(int32_t axis, size_t pointerIndex,
|
|
size_t historicalIndex) const;
|
|
|
|
inline float getHistoricalRawX(size_t pointerIndex, size_t historicalIndex) const {
|
|
return getHistoricalRawAxisValue(
|
|
AMOTION_EVENT_AXIS_X, pointerIndex, historicalIndex);
|
|
}
|
|
|
|
inline float getHistoricalRawY(size_t pointerIndex, size_t historicalIndex) const {
|
|
return getHistoricalRawAxisValue(
|
|
AMOTION_EVENT_AXIS_Y, pointerIndex, historicalIndex);
|
|
}
|
|
|
|
float getHistoricalAxisValue(int32_t axis, size_t pointerIndex, size_t historicalIndex) const;
|
|
|
|
inline float getHistoricalX(size_t pointerIndex, size_t historicalIndex) const {
|
|
return getHistoricalAxisValue(
|
|
AMOTION_EVENT_AXIS_X, pointerIndex, historicalIndex);
|
|
}
|
|
|
|
inline float getHistoricalY(size_t pointerIndex, size_t historicalIndex) const {
|
|
return getHistoricalAxisValue(
|
|
AMOTION_EVENT_AXIS_Y, pointerIndex, historicalIndex);
|
|
}
|
|
|
|
inline float getHistoricalPressure(size_t pointerIndex, size_t historicalIndex) const {
|
|
return getHistoricalAxisValue(
|
|
AMOTION_EVENT_AXIS_PRESSURE, pointerIndex, historicalIndex);
|
|
}
|
|
|
|
inline float getHistoricalSize(size_t pointerIndex, size_t historicalIndex) const {
|
|
return getHistoricalAxisValue(
|
|
AMOTION_EVENT_AXIS_SIZE, pointerIndex, historicalIndex);
|
|
}
|
|
|
|
inline float getHistoricalTouchMajor(size_t pointerIndex, size_t historicalIndex) const {
|
|
return getHistoricalAxisValue(
|
|
AMOTION_EVENT_AXIS_TOUCH_MAJOR, pointerIndex, historicalIndex);
|
|
}
|
|
|
|
inline float getHistoricalTouchMinor(size_t pointerIndex, size_t historicalIndex) const {
|
|
return getHistoricalAxisValue(
|
|
AMOTION_EVENT_AXIS_TOUCH_MINOR, pointerIndex, historicalIndex);
|
|
}
|
|
|
|
inline float getHistoricalToolMajor(size_t pointerIndex, size_t historicalIndex) const {
|
|
return getHistoricalAxisValue(
|
|
AMOTION_EVENT_AXIS_TOOL_MAJOR, pointerIndex, historicalIndex);
|
|
}
|
|
|
|
inline float getHistoricalToolMinor(size_t pointerIndex, size_t historicalIndex) const {
|
|
return getHistoricalAxisValue(
|
|
AMOTION_EVENT_AXIS_TOOL_MINOR, pointerIndex, historicalIndex);
|
|
}
|
|
|
|
inline float getHistoricalOrientation(size_t pointerIndex, size_t historicalIndex) const {
|
|
return getHistoricalAxisValue(
|
|
AMOTION_EVENT_AXIS_ORIENTATION, pointerIndex, historicalIndex);
|
|
}
|
|
|
|
ssize_t findPointerIndex(int32_t pointerId) const;
|
|
|
|
void initialize(
|
|
int32_t deviceId,
|
|
int32_t source,
|
|
int32_t action,
|
|
int32_t flags,
|
|
int32_t edgeFlags,
|
|
int32_t metaState,
|
|
int32_t buttonState,
|
|
float xOffset,
|
|
float yOffset,
|
|
float xPrecision,
|
|
float yPrecision,
|
|
nsecs_t downTime,
|
|
nsecs_t eventTime,
|
|
size_t pointerCount,
|
|
const PointerProperties* pointerProperties,
|
|
const PointerCoords* pointerCoords);
|
|
|
|
void copyFrom(const MotionEvent* other, bool keepHistory);
|
|
|
|
void addSample(
|
|
nsecs_t eventTime,
|
|
const PointerCoords* pointerCoords);
|
|
|
|
void offsetLocation(float xOffset, float yOffset);
|
|
|
|
void scale(float scaleFactor);
|
|
|
|
// Apply 3x3 perspective matrix transformation.
|
|
// Matrix is in row-major form and compatible with SkMatrix.
|
|
void transform(const float matrix[9]);
|
|
|
|
#ifdef HAVE_ANDROID_OS
|
|
status_t readFromParcel(Parcel* parcel);
|
|
status_t writeToParcel(Parcel* parcel) const;
|
|
#endif
|
|
|
|
static bool isTouchEvent(int32_t source, int32_t action);
|
|
inline bool isTouchEvent() const {
|
|
return isTouchEvent(mSource, mAction);
|
|
}
|
|
|
|
// Low-level accessors.
|
|
inline const PointerProperties* getPointerProperties() const {
|
|
return mPointerProperties.array();
|
|
}
|
|
inline const nsecs_t* getSampleEventTimes() const { return mSampleEventTimes.array(); }
|
|
inline const PointerCoords* getSamplePointerCoords() const {
|
|
return mSamplePointerCoords.array();
|
|
}
|
|
|
|
static const char* getLabel(int32_t axis);
|
|
static int32_t getAxisFromLabel(const char* label);
|
|
|
|
protected:
|
|
int32_t mAction;
|
|
int32_t mFlags;
|
|
int32_t mEdgeFlags;
|
|
int32_t mMetaState;
|
|
int32_t mButtonState;
|
|
float mXOffset;
|
|
float mYOffset;
|
|
float mXPrecision;
|
|
float mYPrecision;
|
|
nsecs_t mDownTime;
|
|
Vector<PointerProperties> mPointerProperties;
|
|
Vector<nsecs_t> mSampleEventTimes;
|
|
Vector<PointerCoords> mSamplePointerCoords;
|
|
};
|
|
|
|
/*
|
|
* Input event factory.
|
|
*/
|
|
class InputEventFactoryInterface {
|
|
protected:
|
|
virtual ~InputEventFactoryInterface() { }
|
|
|
|
public:
|
|
InputEventFactoryInterface() { }
|
|
|
|
virtual KeyEvent* createKeyEvent() = 0;
|
|
virtual MotionEvent* createMotionEvent() = 0;
|
|
};
|
|
|
|
/*
|
|
* A simple input event factory implementation that uses a single preallocated instance
|
|
* of each type of input event that are reused for each request.
|
|
*/
|
|
class PreallocatedInputEventFactory : public InputEventFactoryInterface {
|
|
public:
|
|
PreallocatedInputEventFactory() { }
|
|
virtual ~PreallocatedInputEventFactory() { }
|
|
|
|
virtual KeyEvent* createKeyEvent() { return & mKeyEvent; }
|
|
virtual MotionEvent* createMotionEvent() { return & mMotionEvent; }
|
|
|
|
private:
|
|
KeyEvent mKeyEvent;
|
|
MotionEvent mMotionEvent;
|
|
};
|
|
|
|
/*
|
|
* An input event factory implementation that maintains a pool of input events.
|
|
*/
|
|
class PooledInputEventFactory : public InputEventFactoryInterface {
|
|
public:
|
|
PooledInputEventFactory(size_t maxPoolSize = 20);
|
|
virtual ~PooledInputEventFactory();
|
|
|
|
virtual KeyEvent* createKeyEvent();
|
|
virtual MotionEvent* createMotionEvent();
|
|
|
|
void recycle(InputEvent* event);
|
|
|
|
private:
|
|
const size_t mMaxPoolSize;
|
|
|
|
Vector<KeyEvent*> mKeyEventPool;
|
|
Vector<MotionEvent*> mMotionEventPool;
|
|
};
|
|
|
|
} // namespace android
|
|
|
|
#endif // _LIBINPUT_INPUT_H
|