647 lines
19 KiB
C++
647 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.
|
|
*/
|
|
|
|
#define LOG_TAG "Input"
|
|
//#define LOG_NDEBUG 0
|
|
|
|
#include <math.h>
|
|
#include <limits.h>
|
|
|
|
#include <input/Input.h>
|
|
|
|
#ifdef HAVE_ANDROID_OS
|
|
#include <binder/Parcel.h>
|
|
#endif
|
|
|
|
namespace android {
|
|
|
|
// --- InputEvent ---
|
|
|
|
void InputEvent::initialize(int32_t deviceId, int32_t source) {
|
|
mDeviceId = deviceId;
|
|
mSource = source;
|
|
}
|
|
|
|
void InputEvent::initialize(const InputEvent& from) {
|
|
mDeviceId = from.mDeviceId;
|
|
mSource = from.mSource;
|
|
}
|
|
|
|
// --- KeyEvent ---
|
|
|
|
bool KeyEvent::hasDefaultAction(int32_t keyCode) {
|
|
switch (keyCode) {
|
|
case AKEYCODE_HOME:
|
|
case AKEYCODE_BACK:
|
|
case AKEYCODE_CALL:
|
|
case AKEYCODE_ENDCALL:
|
|
case AKEYCODE_VOLUME_UP:
|
|
case AKEYCODE_VOLUME_DOWN:
|
|
case AKEYCODE_VOLUME_MUTE:
|
|
case AKEYCODE_POWER:
|
|
case AKEYCODE_CAMERA:
|
|
case AKEYCODE_HEADSETHOOK:
|
|
case AKEYCODE_MENU:
|
|
case AKEYCODE_NOTIFICATION:
|
|
case AKEYCODE_FOCUS:
|
|
case AKEYCODE_SEARCH:
|
|
case AKEYCODE_MEDIA_PLAY:
|
|
case AKEYCODE_MEDIA_PAUSE:
|
|
case AKEYCODE_MEDIA_PLAY_PAUSE:
|
|
case AKEYCODE_MEDIA_STOP:
|
|
case AKEYCODE_MEDIA_NEXT:
|
|
case AKEYCODE_MEDIA_PREVIOUS:
|
|
case AKEYCODE_MEDIA_REWIND:
|
|
case AKEYCODE_MEDIA_RECORD:
|
|
case AKEYCODE_MEDIA_FAST_FORWARD:
|
|
case AKEYCODE_MUTE:
|
|
case AKEYCODE_BRIGHTNESS_DOWN:
|
|
case AKEYCODE_BRIGHTNESS_UP:
|
|
case AKEYCODE_MEDIA_AUDIO_TRACK:
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool KeyEvent::hasDefaultAction() const {
|
|
return hasDefaultAction(getKeyCode());
|
|
}
|
|
|
|
bool KeyEvent::isSystemKey(int32_t keyCode) {
|
|
switch (keyCode) {
|
|
case AKEYCODE_MENU:
|
|
case AKEYCODE_SOFT_RIGHT:
|
|
case AKEYCODE_HOME:
|
|
case AKEYCODE_BACK:
|
|
case AKEYCODE_CALL:
|
|
case AKEYCODE_ENDCALL:
|
|
case AKEYCODE_VOLUME_UP:
|
|
case AKEYCODE_VOLUME_DOWN:
|
|
case AKEYCODE_VOLUME_MUTE:
|
|
case AKEYCODE_MUTE:
|
|
case AKEYCODE_POWER:
|
|
case AKEYCODE_HEADSETHOOK:
|
|
case AKEYCODE_MEDIA_PLAY:
|
|
case AKEYCODE_MEDIA_PAUSE:
|
|
case AKEYCODE_MEDIA_PLAY_PAUSE:
|
|
case AKEYCODE_MEDIA_STOP:
|
|
case AKEYCODE_MEDIA_NEXT:
|
|
case AKEYCODE_MEDIA_PREVIOUS:
|
|
case AKEYCODE_MEDIA_REWIND:
|
|
case AKEYCODE_MEDIA_RECORD:
|
|
case AKEYCODE_MEDIA_FAST_FORWARD:
|
|
case AKEYCODE_CAMERA:
|
|
case AKEYCODE_FOCUS:
|
|
case AKEYCODE_SEARCH:
|
|
case AKEYCODE_BRIGHTNESS_DOWN:
|
|
case AKEYCODE_BRIGHTNESS_UP:
|
|
case AKEYCODE_MEDIA_AUDIO_TRACK:
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool KeyEvent::isSystemKey() const {
|
|
return isSystemKey(getKeyCode());
|
|
}
|
|
|
|
void KeyEvent::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) {
|
|
InputEvent::initialize(deviceId, source);
|
|
mAction = action;
|
|
mFlags = flags;
|
|
mKeyCode = keyCode;
|
|
mScanCode = scanCode;
|
|
mMetaState = metaState;
|
|
mRepeatCount = repeatCount;
|
|
mDownTime = downTime;
|
|
mEventTime = eventTime;
|
|
}
|
|
|
|
void KeyEvent::initialize(const KeyEvent& from) {
|
|
InputEvent::initialize(from);
|
|
mAction = from.mAction;
|
|
mFlags = from.mFlags;
|
|
mKeyCode = from.mKeyCode;
|
|
mScanCode = from.mScanCode;
|
|
mMetaState = from.mMetaState;
|
|
mRepeatCount = from.mRepeatCount;
|
|
mDownTime = from.mDownTime;
|
|
mEventTime = from.mEventTime;
|
|
}
|
|
|
|
|
|
// --- PointerCoords ---
|
|
|
|
float PointerCoords::getAxisValue(int32_t axis) const {
|
|
if (axis < 0 || axis > 63 || !BitSet64::hasBit(bits, axis)){
|
|
return 0;
|
|
}
|
|
return values[BitSet64::getIndexOfBit(bits, axis)];
|
|
}
|
|
|
|
status_t PointerCoords::setAxisValue(int32_t axis, float value) {
|
|
if (axis < 0 || axis > 63) {
|
|
return NAME_NOT_FOUND;
|
|
}
|
|
|
|
uint32_t index = BitSet64::getIndexOfBit(bits, axis);
|
|
if (!BitSet64::hasBit(bits, axis)) {
|
|
if (value == 0) {
|
|
return OK; // axes with value 0 do not need to be stored
|
|
}
|
|
|
|
uint32_t count = BitSet64::count(bits);
|
|
if (count >= MAX_AXES) {
|
|
tooManyAxes(axis);
|
|
return NO_MEMORY;
|
|
}
|
|
BitSet64::markBit(bits, axis);
|
|
for (uint32_t i = count; i > index; i--) {
|
|
values[i] = values[i - 1];
|
|
}
|
|
}
|
|
|
|
values[index] = value;
|
|
return OK;
|
|
}
|
|
|
|
static inline void scaleAxisValue(PointerCoords& c, int axis, float scaleFactor) {
|
|
float value = c.getAxisValue(axis);
|
|
if (value != 0) {
|
|
c.setAxisValue(axis, value * scaleFactor);
|
|
}
|
|
}
|
|
|
|
void PointerCoords::scale(float scaleFactor) {
|
|
// No need to scale pressure or size since they are normalized.
|
|
// No need to scale orientation since it is meaningless to do so.
|
|
scaleAxisValue(*this, AMOTION_EVENT_AXIS_X, scaleFactor);
|
|
scaleAxisValue(*this, AMOTION_EVENT_AXIS_Y, scaleFactor);
|
|
scaleAxisValue(*this, AMOTION_EVENT_AXIS_TOUCH_MAJOR, scaleFactor);
|
|
scaleAxisValue(*this, AMOTION_EVENT_AXIS_TOUCH_MINOR, scaleFactor);
|
|
scaleAxisValue(*this, AMOTION_EVENT_AXIS_TOOL_MAJOR, scaleFactor);
|
|
scaleAxisValue(*this, AMOTION_EVENT_AXIS_TOOL_MINOR, scaleFactor);
|
|
}
|
|
|
|
void PointerCoords::applyOffset(float xOffset, float yOffset) {
|
|
setAxisValue(AMOTION_EVENT_AXIS_X, getX() + xOffset);
|
|
setAxisValue(AMOTION_EVENT_AXIS_Y, getY() + yOffset);
|
|
}
|
|
|
|
#ifdef HAVE_ANDROID_OS
|
|
status_t PointerCoords::readFromParcel(Parcel* parcel) {
|
|
bits = parcel->readInt64();
|
|
|
|
uint32_t count = BitSet64::count(bits);
|
|
if (count > MAX_AXES) {
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
for (uint32_t i = 0; i < count; i++) {
|
|
values[i] = parcel->readFloat();
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
status_t PointerCoords::writeToParcel(Parcel* parcel) const {
|
|
parcel->writeInt64(bits);
|
|
|
|
uint32_t count = BitSet64::count(bits);
|
|
for (uint32_t i = 0; i < count; i++) {
|
|
parcel->writeFloat(values[i]);
|
|
}
|
|
return OK;
|
|
}
|
|
#endif
|
|
|
|
void PointerCoords::tooManyAxes(int axis) {
|
|
ALOGW("Could not set value for axis %d because the PointerCoords structure is full and "
|
|
"cannot contain more than %d axis values.", axis, int(MAX_AXES));
|
|
}
|
|
|
|
bool PointerCoords::operator==(const PointerCoords& other) const {
|
|
if (bits != other.bits) {
|
|
return false;
|
|
}
|
|
uint32_t count = BitSet64::count(bits);
|
|
for (uint32_t i = 0; i < count; i++) {
|
|
if (values[i] != other.values[i]) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void PointerCoords::copyFrom(const PointerCoords& other) {
|
|
bits = other.bits;
|
|
uint32_t count = BitSet64::count(bits);
|
|
for (uint32_t i = 0; i < count; i++) {
|
|
values[i] = other.values[i];
|
|
}
|
|
}
|
|
|
|
|
|
// --- PointerProperties ---
|
|
|
|
bool PointerProperties::operator==(const PointerProperties& other) const {
|
|
return id == other.id
|
|
&& toolType == other.toolType;
|
|
}
|
|
|
|
void PointerProperties::copyFrom(const PointerProperties& other) {
|
|
id = other.id;
|
|
toolType = other.toolType;
|
|
}
|
|
|
|
|
|
// --- MotionEvent ---
|
|
|
|
void MotionEvent::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) {
|
|
InputEvent::initialize(deviceId, source);
|
|
mAction = action;
|
|
mFlags = flags;
|
|
mEdgeFlags = edgeFlags;
|
|
mMetaState = metaState;
|
|
mButtonState = buttonState;
|
|
mXOffset = xOffset;
|
|
mYOffset = yOffset;
|
|
mXPrecision = xPrecision;
|
|
mYPrecision = yPrecision;
|
|
mDownTime = downTime;
|
|
mPointerProperties.clear();
|
|
mPointerProperties.appendArray(pointerProperties, pointerCount);
|
|
mSampleEventTimes.clear();
|
|
mSamplePointerCoords.clear();
|
|
addSample(eventTime, pointerCoords);
|
|
}
|
|
|
|
void MotionEvent::copyFrom(const MotionEvent* other, bool keepHistory) {
|
|
InputEvent::initialize(other->mDeviceId, other->mSource);
|
|
mAction = other->mAction;
|
|
mFlags = other->mFlags;
|
|
mEdgeFlags = other->mEdgeFlags;
|
|
mMetaState = other->mMetaState;
|
|
mButtonState = other->mButtonState;
|
|
mXOffset = other->mXOffset;
|
|
mYOffset = other->mYOffset;
|
|
mXPrecision = other->mXPrecision;
|
|
mYPrecision = other->mYPrecision;
|
|
mDownTime = other->mDownTime;
|
|
mPointerProperties = other->mPointerProperties;
|
|
|
|
if (keepHistory) {
|
|
mSampleEventTimes = other->mSampleEventTimes;
|
|
mSamplePointerCoords = other->mSamplePointerCoords;
|
|
} else {
|
|
mSampleEventTimes.clear();
|
|
mSampleEventTimes.push(other->getEventTime());
|
|
mSamplePointerCoords.clear();
|
|
size_t pointerCount = other->getPointerCount();
|
|
size_t historySize = other->getHistorySize();
|
|
mSamplePointerCoords.appendArray(other->mSamplePointerCoords.array()
|
|
+ (historySize * pointerCount), pointerCount);
|
|
}
|
|
}
|
|
|
|
void MotionEvent::addSample(
|
|
int64_t eventTime,
|
|
const PointerCoords* pointerCoords) {
|
|
mSampleEventTimes.push(eventTime);
|
|
mSamplePointerCoords.appendArray(pointerCoords, getPointerCount());
|
|
}
|
|
|
|
const PointerCoords* MotionEvent::getRawPointerCoords(size_t pointerIndex) const {
|
|
return &mSamplePointerCoords[getHistorySize() * getPointerCount() + pointerIndex];
|
|
}
|
|
|
|
float MotionEvent::getRawAxisValue(int32_t axis, size_t pointerIndex) const {
|
|
return getRawPointerCoords(pointerIndex)->getAxisValue(axis);
|
|
}
|
|
|
|
float MotionEvent::getAxisValue(int32_t axis, size_t pointerIndex) const {
|
|
float value = getRawPointerCoords(pointerIndex)->getAxisValue(axis);
|
|
switch (axis) {
|
|
case AMOTION_EVENT_AXIS_X:
|
|
return value + mXOffset;
|
|
case AMOTION_EVENT_AXIS_Y:
|
|
return value + mYOffset;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
const PointerCoords* MotionEvent::getHistoricalRawPointerCoords(
|
|
size_t pointerIndex, size_t historicalIndex) const {
|
|
return &mSamplePointerCoords[historicalIndex * getPointerCount() + pointerIndex];
|
|
}
|
|
|
|
float MotionEvent::getHistoricalRawAxisValue(int32_t axis, size_t pointerIndex,
|
|
size_t historicalIndex) const {
|
|
return getHistoricalRawPointerCoords(pointerIndex, historicalIndex)->getAxisValue(axis);
|
|
}
|
|
|
|
float MotionEvent::getHistoricalAxisValue(int32_t axis, size_t pointerIndex,
|
|
size_t historicalIndex) const {
|
|
float value = getHistoricalRawPointerCoords(pointerIndex, historicalIndex)->getAxisValue(axis);
|
|
switch (axis) {
|
|
case AMOTION_EVENT_AXIS_X:
|
|
return value + mXOffset;
|
|
case AMOTION_EVENT_AXIS_Y:
|
|
return value + mYOffset;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
ssize_t MotionEvent::findPointerIndex(int32_t pointerId) const {
|
|
size_t pointerCount = mPointerProperties.size();
|
|
for (size_t i = 0; i < pointerCount; i++) {
|
|
if (mPointerProperties.itemAt(i).id == pointerId) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void MotionEvent::offsetLocation(float xOffset, float yOffset) {
|
|
mXOffset += xOffset;
|
|
mYOffset += yOffset;
|
|
}
|
|
|
|
void MotionEvent::scale(float scaleFactor) {
|
|
mXOffset *= scaleFactor;
|
|
mYOffset *= scaleFactor;
|
|
mXPrecision *= scaleFactor;
|
|
mYPrecision *= scaleFactor;
|
|
|
|
size_t numSamples = mSamplePointerCoords.size();
|
|
for (size_t i = 0; i < numSamples; i++) {
|
|
mSamplePointerCoords.editItemAt(i).scale(scaleFactor);
|
|
}
|
|
}
|
|
|
|
static void transformPoint(const float matrix[9], float x, float y, float *outX, float *outY) {
|
|
// Apply perspective transform like Skia.
|
|
float newX = matrix[0] * x + matrix[1] * y + matrix[2];
|
|
float newY = matrix[3] * x + matrix[4] * y + matrix[5];
|
|
float newZ = matrix[6] * x + matrix[7] * y + matrix[8];
|
|
if (newZ) {
|
|
newZ = 1.0f / newZ;
|
|
}
|
|
*outX = newX * newZ;
|
|
*outY = newY * newZ;
|
|
}
|
|
|
|
static float transformAngle(const float matrix[9], float angleRadians,
|
|
float originX, float originY) {
|
|
// Construct and transform a vector oriented at the specified clockwise angle from vertical.
|
|
// Coordinate system: down is increasing Y, right is increasing X.
|
|
float x = sinf(angleRadians);
|
|
float y = -cosf(angleRadians);
|
|
transformPoint(matrix, x, y, &x, &y);
|
|
x -= originX;
|
|
y -= originY;
|
|
|
|
// Derive the transformed vector's clockwise angle from vertical.
|
|
float result = atan2f(x, -y);
|
|
if (result < - M_PI_2) {
|
|
result += M_PI;
|
|
} else if (result > M_PI_2) {
|
|
result -= M_PI;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void MotionEvent::transform(const float matrix[9]) {
|
|
// The tricky part of this implementation is to preserve the value of
|
|
// rawX and rawY. So we apply the transformation to the first point
|
|
// then derive an appropriate new X/Y offset that will preserve rawX
|
|
// and rawY for that point.
|
|
float oldXOffset = mXOffset;
|
|
float oldYOffset = mYOffset;
|
|
float newX, newY;
|
|
float rawX = getRawX(0);
|
|
float rawY = getRawY(0);
|
|
transformPoint(matrix, rawX + oldXOffset, rawY + oldYOffset, &newX, &newY);
|
|
mXOffset = newX - rawX;
|
|
mYOffset = newY - rawY;
|
|
|
|
// Determine how the origin is transformed by the matrix so that we
|
|
// can transform orientation vectors.
|
|
float originX, originY;
|
|
transformPoint(matrix, 0, 0, &originX, &originY);
|
|
|
|
// Apply the transformation to all samples.
|
|
size_t numSamples = mSamplePointerCoords.size();
|
|
for (size_t i = 0; i < numSamples; i++) {
|
|
PointerCoords& c = mSamplePointerCoords.editItemAt(i);
|
|
float x = c.getAxisValue(AMOTION_EVENT_AXIS_X) + oldXOffset;
|
|
float y = c.getAxisValue(AMOTION_EVENT_AXIS_Y) + oldYOffset;
|
|
transformPoint(matrix, x, y, &x, &y);
|
|
c.setAxisValue(AMOTION_EVENT_AXIS_X, x - mXOffset);
|
|
c.setAxisValue(AMOTION_EVENT_AXIS_Y, y - mYOffset);
|
|
|
|
float orientation = c.getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION);
|
|
c.setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION,
|
|
transformAngle(matrix, orientation, originX, originY));
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_ANDROID_OS
|
|
status_t MotionEvent::readFromParcel(Parcel* parcel) {
|
|
size_t pointerCount = parcel->readInt32();
|
|
size_t sampleCount = parcel->readInt32();
|
|
if (pointerCount == 0 || pointerCount > MAX_POINTERS || sampleCount == 0) {
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
mDeviceId = parcel->readInt32();
|
|
mSource = parcel->readInt32();
|
|
mAction = parcel->readInt32();
|
|
mFlags = parcel->readInt32();
|
|
mEdgeFlags = parcel->readInt32();
|
|
mMetaState = parcel->readInt32();
|
|
mButtonState = parcel->readInt32();
|
|
mXOffset = parcel->readFloat();
|
|
mYOffset = parcel->readFloat();
|
|
mXPrecision = parcel->readFloat();
|
|
mYPrecision = parcel->readFloat();
|
|
mDownTime = parcel->readInt64();
|
|
|
|
mPointerProperties.clear();
|
|
mPointerProperties.setCapacity(pointerCount);
|
|
mSampleEventTimes.clear();
|
|
mSampleEventTimes.setCapacity(sampleCount);
|
|
mSamplePointerCoords.clear();
|
|
mSamplePointerCoords.setCapacity(sampleCount * pointerCount);
|
|
|
|
for (size_t i = 0; i < pointerCount; i++) {
|
|
mPointerProperties.push();
|
|
PointerProperties& properties = mPointerProperties.editTop();
|
|
properties.id = parcel->readInt32();
|
|
properties.toolType = parcel->readInt32();
|
|
}
|
|
|
|
while (sampleCount-- > 0) {
|
|
mSampleEventTimes.push(parcel->readInt64());
|
|
for (size_t i = 0; i < pointerCount; i++) {
|
|
mSamplePointerCoords.push();
|
|
status_t status = mSamplePointerCoords.editTop().readFromParcel(parcel);
|
|
if (status) {
|
|
return status;
|
|
}
|
|
}
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
status_t MotionEvent::writeToParcel(Parcel* parcel) const {
|
|
size_t pointerCount = mPointerProperties.size();
|
|
size_t sampleCount = mSampleEventTimes.size();
|
|
|
|
parcel->writeInt32(pointerCount);
|
|
parcel->writeInt32(sampleCount);
|
|
|
|
parcel->writeInt32(mDeviceId);
|
|
parcel->writeInt32(mSource);
|
|
parcel->writeInt32(mAction);
|
|
parcel->writeInt32(mFlags);
|
|
parcel->writeInt32(mEdgeFlags);
|
|
parcel->writeInt32(mMetaState);
|
|
parcel->writeInt32(mButtonState);
|
|
parcel->writeFloat(mXOffset);
|
|
parcel->writeFloat(mYOffset);
|
|
parcel->writeFloat(mXPrecision);
|
|
parcel->writeFloat(mYPrecision);
|
|
parcel->writeInt64(mDownTime);
|
|
|
|
for (size_t i = 0; i < pointerCount; i++) {
|
|
const PointerProperties& properties = mPointerProperties.itemAt(i);
|
|
parcel->writeInt32(properties.id);
|
|
parcel->writeInt32(properties.toolType);
|
|
}
|
|
|
|
const PointerCoords* pc = mSamplePointerCoords.array();
|
|
for (size_t h = 0; h < sampleCount; h++) {
|
|
parcel->writeInt64(mSampleEventTimes.itemAt(h));
|
|
for (size_t i = 0; i < pointerCount; i++) {
|
|
status_t status = (pc++)->writeToParcel(parcel);
|
|
if (status) {
|
|
return status;
|
|
}
|
|
}
|
|
}
|
|
return OK;
|
|
}
|
|
#endif
|
|
|
|
bool MotionEvent::isTouchEvent(int32_t source, int32_t action) {
|
|
if (source & AINPUT_SOURCE_CLASS_POINTER) {
|
|
// Specifically excludes HOVER_MOVE and SCROLL.
|
|
switch (action & AMOTION_EVENT_ACTION_MASK) {
|
|
case AMOTION_EVENT_ACTION_DOWN:
|
|
case AMOTION_EVENT_ACTION_MOVE:
|
|
case AMOTION_EVENT_ACTION_UP:
|
|
case AMOTION_EVENT_ACTION_POINTER_DOWN:
|
|
case AMOTION_EVENT_ACTION_POINTER_UP:
|
|
case AMOTION_EVENT_ACTION_CANCEL:
|
|
case AMOTION_EVENT_ACTION_OUTSIDE:
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// --- PooledInputEventFactory ---
|
|
|
|
PooledInputEventFactory::PooledInputEventFactory(size_t maxPoolSize) :
|
|
mMaxPoolSize(maxPoolSize) {
|
|
}
|
|
|
|
PooledInputEventFactory::~PooledInputEventFactory() {
|
|
for (size_t i = 0; i < mKeyEventPool.size(); i++) {
|
|
delete mKeyEventPool.itemAt(i);
|
|
}
|
|
for (size_t i = 0; i < mMotionEventPool.size(); i++) {
|
|
delete mMotionEventPool.itemAt(i);
|
|
}
|
|
}
|
|
|
|
KeyEvent* PooledInputEventFactory::createKeyEvent() {
|
|
if (!mKeyEventPool.isEmpty()) {
|
|
KeyEvent* event = mKeyEventPool.top();
|
|
mKeyEventPool.pop();
|
|
return event;
|
|
}
|
|
return new KeyEvent();
|
|
}
|
|
|
|
MotionEvent* PooledInputEventFactory::createMotionEvent() {
|
|
if (!mMotionEventPool.isEmpty()) {
|
|
MotionEvent* event = mMotionEventPool.top();
|
|
mMotionEventPool.pop();
|
|
return event;
|
|
}
|
|
return new MotionEvent();
|
|
}
|
|
|
|
void PooledInputEventFactory::recycle(InputEvent* event) {
|
|
switch (event->getType()) {
|
|
case AINPUT_EVENT_TYPE_KEY:
|
|
if (mKeyEventPool.size() < mMaxPoolSize) {
|
|
mKeyEventPool.push(static_cast<KeyEvent*>(event));
|
|
return;
|
|
}
|
|
break;
|
|
case AINPUT_EVENT_TYPE_MOTION:
|
|
if (mMotionEventPool.size() < mMaxPoolSize) {
|
|
mMotionEventPool.push(static_cast<MotionEvent*>(event));
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
delete event;
|
|
}
|
|
|
|
} // namespace android
|