Merge "Refactor of PointerController" am: 3ca2400a53

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1364598

Change-Id: I7345f718b827c049072459abebd5b13ddecdd138
This commit is contained in:
Treehugger Robot
2020-08-07 16:42:40 +00:00
committed by Automerger Merge Worker
11 changed files with 1346 additions and 831 deletions

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@@ -16,6 +16,9 @@ cc_library_shared {
name: "libinputservice",
srcs: [
"PointerController.cpp",
"PointerControllerContext.cpp",
"MouseCursorController.cpp",
"TouchSpotController.cpp",
"SpriteController.cpp",
"SpriteIcon.cpp",
],

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@@ -0,0 +1,460 @@
/*
* Copyright (C) 2020 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 "MouseCursorController"
//#define LOG_NDEBUG 0
// Log debug messages about pointer updates
#define DEBUG_MOUSE_CURSOR_UPDATES 0
#include "MouseCursorController.h"
#include <log/log.h>
#include <SkBitmap.h>
#include <SkBlendMode.h>
#include <SkCanvas.h>
#include <SkColor.h>
#include <SkPaint.h>
namespace {
// Time to spend fading out the pointer completely.
const nsecs_t POINTER_FADE_DURATION = 500 * 1000000LL; // 500 ms
} // namespace
namespace android {
// --- MouseCursorController ---
MouseCursorController::MouseCursorController(PointerControllerContext& context)
: mContext(context) {
std::scoped_lock lock(mLock);
mLocked.animationFrameIndex = 0;
mLocked.lastFrameUpdatedTime = 0;
mLocked.pointerFadeDirection = 0;
mLocked.pointerX = 0;
mLocked.pointerY = 0;
mLocked.pointerAlpha = 0.0f; // pointer is initially faded
mLocked.pointerSprite = mContext.getSpriteController()->createSprite();
mLocked.updatePointerIcon = false;
mLocked.requestedPointerType = mContext.getPolicy()->getDefaultPointerIconId();
mLocked.resourcesLoaded = false;
mLocked.buttonState = 0;
}
MouseCursorController::~MouseCursorController() {
std::scoped_lock lock(mLock);
mLocked.pointerSprite.clear();
}
bool MouseCursorController::getBounds(float* outMinX, float* outMinY, float* outMaxX,
float* outMaxY) const {
std::scoped_lock lock(mLock);
return getBoundsLocked(outMinX, outMinY, outMaxX, outMaxY);
}
bool MouseCursorController::getBoundsLocked(float* outMinX, float* outMinY, float* outMaxX,
float* outMaxY) const REQUIRES(mLock) {
if (!mLocked.viewport.isValid()) {
return false;
}
*outMinX = mLocked.viewport.logicalLeft;
*outMinY = mLocked.viewport.logicalTop;
*outMaxX = mLocked.viewport.logicalRight - 1;
*outMaxY = mLocked.viewport.logicalBottom - 1;
return true;
}
void MouseCursorController::move(float deltaX, float deltaY) {
#if DEBUG_MOUSE_CURSOR_UPDATES
ALOGD("Move pointer by deltaX=%0.3f, deltaY=%0.3f", deltaX, deltaY);
#endif
if (deltaX == 0.0f && deltaY == 0.0f) {
return;
}
std::scoped_lock lock(mLock);
setPositionLocked(mLocked.pointerX + deltaX, mLocked.pointerY + deltaY);
}
void MouseCursorController::setButtonState(int32_t buttonState) {
#if DEBUG_MOUSE_CURSOR_UPDATES
ALOGD("Set button state 0x%08x", buttonState);
#endif
std::scoped_lock lock(mLock);
if (mLocked.buttonState != buttonState) {
mLocked.buttonState = buttonState;
}
}
int32_t MouseCursorController::getButtonState() const {
std::scoped_lock lock(mLock);
return mLocked.buttonState;
}
void MouseCursorController::setPosition(float x, float y) {
#if DEBUG_MOUSE_CURSOR_UPDATES
ALOGD("Set pointer position to x=%0.3f, y=%0.3f", x, y);
#endif
std::scoped_lock lock(mLock);
setPositionLocked(x, y);
}
void MouseCursorController::setPositionLocked(float x, float y) REQUIRES(mLock) {
float minX, minY, maxX, maxY;
if (getBoundsLocked(&minX, &minY, &maxX, &maxY)) {
if (x <= minX) {
mLocked.pointerX = minX;
} else if (x >= maxX) {
mLocked.pointerX = maxX;
} else {
mLocked.pointerX = x;
}
if (y <= minY) {
mLocked.pointerY = minY;
} else if (y >= maxY) {
mLocked.pointerY = maxY;
} else {
mLocked.pointerY = y;
}
updatePointerLocked();
}
}
void MouseCursorController::getPosition(float* outX, float* outY) const {
std::scoped_lock lock(mLock);
*outX = mLocked.pointerX;
*outY = mLocked.pointerY;
}
int32_t MouseCursorController::getDisplayId() const {
std::scoped_lock lock(mLock);
return mLocked.viewport.displayId;
}
void MouseCursorController::fade(PointerControllerInterface::Transition transition) {
std::scoped_lock lock(mLock);
// Remove the inactivity timeout, since we are fading now.
mContext.removeInactivityTimeout();
// Start fading.
if (transition == PointerControllerInterface::Transition::IMMEDIATE) {
mLocked.pointerFadeDirection = 0;
mLocked.pointerAlpha = 0.0f;
updatePointerLocked();
} else {
mLocked.pointerFadeDirection = -1;
mContext.startAnimation();
}
}
void MouseCursorController::unfade(PointerControllerInterface::Transition transition) {
std::scoped_lock lock(mLock);
// Always reset the inactivity timer.
mContext.resetInactivityTimeout();
// Start unfading.
if (transition == PointerControllerInterface::Transition::IMMEDIATE) {
mLocked.pointerFadeDirection = 0;
mLocked.pointerAlpha = 1.0f;
updatePointerLocked();
} else {
mLocked.pointerFadeDirection = 1;
mContext.startAnimation();
}
}
void MouseCursorController::reloadPointerResources(bool getAdditionalMouseResources) {
std::scoped_lock lock(mLock);
loadResourcesLocked(getAdditionalMouseResources);
updatePointerLocked();
}
/**
* The viewport values for deviceHeight and deviceWidth have already been adjusted for rotation,
* so here we are getting the dimensions in the original, unrotated orientation (orientation 0).
*/
static void getNonRotatedSize(const DisplayViewport& viewport, int32_t& width, int32_t& height) {
width = viewport.deviceWidth;
height = viewport.deviceHeight;
if (viewport.orientation == DISPLAY_ORIENTATION_90 ||
viewport.orientation == DISPLAY_ORIENTATION_270) {
std::swap(width, height);
}
}
void MouseCursorController::setDisplayViewport(const DisplayViewport& viewport,
bool getAdditionalMouseResources) {
std::scoped_lock lock(mLock);
if (viewport == mLocked.viewport) {
return;
}
const DisplayViewport oldViewport = mLocked.viewport;
mLocked.viewport = viewport;
int32_t oldDisplayWidth, oldDisplayHeight;
getNonRotatedSize(oldViewport, oldDisplayWidth, oldDisplayHeight);
int32_t newDisplayWidth, newDisplayHeight;
getNonRotatedSize(viewport, newDisplayWidth, newDisplayHeight);
// Reset cursor position to center if size or display changed.
if (oldViewport.displayId != viewport.displayId || oldDisplayWidth != newDisplayWidth ||
oldDisplayHeight != newDisplayHeight) {
float minX, minY, maxX, maxY;
if (getBoundsLocked(&minX, &minY, &maxX, &maxY)) {
mLocked.pointerX = (minX + maxX) * 0.5f;
mLocked.pointerY = (minY + maxY) * 0.5f;
// Reload icon resources for density may be changed.
loadResourcesLocked(getAdditionalMouseResources);
} else {
mLocked.pointerX = 0;
mLocked.pointerY = 0;
}
} else if (oldViewport.orientation != viewport.orientation) {
// Apply offsets to convert from the pixel top-left corner position to the pixel center.
// This creates an invariant frame of reference that we can easily rotate when
// taking into account that the pointer may be located at fractional pixel offsets.
float x = mLocked.pointerX + 0.5f;
float y = mLocked.pointerY + 0.5f;
float temp;
// Undo the previous rotation.
switch (oldViewport.orientation) {
case DISPLAY_ORIENTATION_90:
temp = x;
x = oldViewport.deviceHeight - y;
y = temp;
break;
case DISPLAY_ORIENTATION_180:
x = oldViewport.deviceWidth - x;
y = oldViewport.deviceHeight - y;
break;
case DISPLAY_ORIENTATION_270:
temp = x;
x = y;
y = oldViewport.deviceWidth - temp;
break;
}
// Perform the new rotation.
switch (viewport.orientation) {
case DISPLAY_ORIENTATION_90:
temp = x;
x = y;
y = viewport.deviceHeight - temp;
break;
case DISPLAY_ORIENTATION_180:
x = viewport.deviceWidth - x;
y = viewport.deviceHeight - y;
break;
case DISPLAY_ORIENTATION_270:
temp = x;
x = viewport.deviceWidth - y;
y = temp;
break;
}
// Apply offsets to convert from the pixel center to the pixel top-left corner position
// and save the results.
mLocked.pointerX = x - 0.5f;
mLocked.pointerY = y - 0.5f;
}
updatePointerLocked();
}
void MouseCursorController::updatePointerIcon(int32_t iconId) {
std::scoped_lock lock(mLock);
if (mLocked.requestedPointerType != iconId) {
mLocked.requestedPointerType = iconId;
mLocked.updatePointerIcon = true;
updatePointerLocked();
}
}
void MouseCursorController::setCustomPointerIcon(const SpriteIcon& icon) {
std::scoped_lock lock(mLock);
const int32_t iconId = mContext.getPolicy()->getCustomPointerIconId();
mLocked.additionalMouseResources[iconId] = icon;
mLocked.requestedPointerType = iconId;
mLocked.updatePointerIcon = true;
updatePointerLocked();
}
bool MouseCursorController::doFadingAnimation(nsecs_t timestamp, bool keepAnimating) {
nsecs_t frameDelay = timestamp - mContext.getAnimationTime();
std::scoped_lock lock(mLock);
// Animate pointer fade.
if (mLocked.pointerFadeDirection < 0) {
mLocked.pointerAlpha -= float(frameDelay) / POINTER_FADE_DURATION;
if (mLocked.pointerAlpha <= 0.0f) {
mLocked.pointerAlpha = 0.0f;
mLocked.pointerFadeDirection = 0;
} else {
keepAnimating = true;
}
updatePointerLocked();
} else if (mLocked.pointerFadeDirection > 0) {
mLocked.pointerAlpha += float(frameDelay) / POINTER_FADE_DURATION;
if (mLocked.pointerAlpha >= 1.0f) {
mLocked.pointerAlpha = 1.0f;
mLocked.pointerFadeDirection = 0;
} else {
keepAnimating = true;
}
updatePointerLocked();
}
return keepAnimating;
}
bool MouseCursorController::doBitmapAnimation(nsecs_t timestamp) {
std::scoped_lock lock(mLock);
std::map<int32_t, PointerAnimation>::const_iterator iter =
mLocked.animationResources.find(mLocked.requestedPointerType);
if (iter == mLocked.animationResources.end()) {
return false;
}
if (timestamp - mLocked.lastFrameUpdatedTime > iter->second.durationPerFrame) {
sp<SpriteController> spriteController = mContext.getSpriteController();
spriteController->openTransaction();
int incr = (timestamp - mLocked.lastFrameUpdatedTime) / iter->second.durationPerFrame;
mLocked.animationFrameIndex += incr;
mLocked.lastFrameUpdatedTime += iter->second.durationPerFrame * incr;
while (mLocked.animationFrameIndex >= iter->second.animationFrames.size()) {
mLocked.animationFrameIndex -= iter->second.animationFrames.size();
}
mLocked.pointerSprite->setIcon(iter->second.animationFrames[mLocked.animationFrameIndex]);
spriteController->closeTransaction();
}
// Keep animating.
return true;
}
void MouseCursorController::updatePointerLocked() REQUIRES(mLock) {
if (!mLocked.viewport.isValid()) {
return;
}
sp<SpriteController> spriteController = mContext.getSpriteController();
spriteController->openTransaction();
mLocked.pointerSprite->setLayer(Sprite::BASE_LAYER_POINTER);
mLocked.pointerSprite->setPosition(mLocked.pointerX, mLocked.pointerY);
mLocked.pointerSprite->setDisplayId(mLocked.viewport.displayId);
if (mLocked.pointerAlpha > 0) {
mLocked.pointerSprite->setAlpha(mLocked.pointerAlpha);
mLocked.pointerSprite->setVisible(true);
} else {
mLocked.pointerSprite->setVisible(false);
}
if (mLocked.updatePointerIcon) {
if (mLocked.requestedPointerType == mContext.getPolicy()->getDefaultPointerIconId()) {
mLocked.pointerSprite->setIcon(mLocked.pointerIcon);
} else {
std::map<int32_t, SpriteIcon>::const_iterator iter =
mLocked.additionalMouseResources.find(mLocked.requestedPointerType);
if (iter != mLocked.additionalMouseResources.end()) {
std::map<int32_t, PointerAnimation>::const_iterator anim_iter =
mLocked.animationResources.find(mLocked.requestedPointerType);
if (anim_iter != mLocked.animationResources.end()) {
mLocked.animationFrameIndex = 0;
mLocked.lastFrameUpdatedTime = systemTime(SYSTEM_TIME_MONOTONIC);
mContext.startAnimation();
}
mLocked.pointerSprite->setIcon(iter->second);
} else {
ALOGW("Can't find the resource for icon id %d", mLocked.requestedPointerType);
mLocked.pointerSprite->setIcon(mLocked.pointerIcon);
}
}
mLocked.updatePointerIcon = false;
}
spriteController->closeTransaction();
}
void MouseCursorController::loadResourcesLocked(bool getAdditionalMouseResources) REQUIRES(mLock) {
if (!mLocked.viewport.isValid()) {
return;
}
if (!mLocked.resourcesLoaded) mLocked.resourcesLoaded = true;
sp<PointerControllerPolicyInterface> policy = mContext.getPolicy();
policy->loadPointerResources(&mResources, mLocked.viewport.displayId);
policy->loadPointerIcon(&mLocked.pointerIcon, mLocked.viewport.displayId);
mLocked.additionalMouseResources.clear();
mLocked.animationResources.clear();
if (getAdditionalMouseResources) {
policy->loadAdditionalMouseResources(&mLocked.additionalMouseResources,
&mLocked.animationResources,
mLocked.viewport.displayId);
}
mLocked.updatePointerIcon = true;
}
bool MouseCursorController::isViewportValid() {
std::scoped_lock lock(mLock);
return mLocked.viewport.isValid();
}
void MouseCursorController::getAdditionalMouseResources() {
std::scoped_lock lock(mLock);
if (mLocked.additionalMouseResources.empty()) {
mContext.getPolicy()->loadAdditionalMouseResources(&mLocked.additionalMouseResources,
&mLocked.animationResources,
mLocked.viewport.displayId);
}
mLocked.updatePointerIcon = true;
updatePointerLocked();
}
bool MouseCursorController::resourcesLoaded() {
std::scoped_lock lock(mLock);
return mLocked.resourcesLoaded;
}
} // namespace android

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@@ -0,0 +1,111 @@
/*
* Copyright (C) 2020 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 _UI_MOUSE_CURSOR_CONTROLLER_H
#define _UI_MOUSE_CURSOR_CONTROLLER_H
#include <gui/DisplayEventReceiver.h>
#include <input/DisplayViewport.h>
#include <input/Input.h>
#include <ui/DisplayInfo.h>
#include <utils/BitSet.h>
#include <utils/Looper.h>
#include <utils/RefBase.h>
#include <map>
#include <memory>
#include <vector>
#include "PointerControllerContext.h"
#include "SpriteController.h"
namespace android {
/*
* Helper class for PointerController that specifically handles
* mouse cursor resources and actions.
*/
class MouseCursorController {
public:
MouseCursorController(PointerControllerContext& context);
~MouseCursorController();
bool getBounds(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const;
void move(float deltaX, float deltaY);
void setButtonState(int32_t buttonState);
int32_t getButtonState() const;
void setPosition(float x, float y);
void getPosition(float* outX, float* outY) const;
int32_t getDisplayId() const;
void fade(PointerControllerInterface::Transition transition);
void unfade(PointerControllerInterface::Transition transition);
void setDisplayViewport(const DisplayViewport& viewport, bool getAdditionalMouseResources);
void updatePointerIcon(int32_t iconId);
void setCustomPointerIcon(const SpriteIcon& icon);
void reloadPointerResources(bool getAdditionalMouseResources);
void getAdditionalMouseResources();
bool isViewportValid();
bool doBitmapAnimation(nsecs_t timestamp);
bool doFadingAnimation(nsecs_t timestamp, bool keepAnimating);
bool resourcesLoaded();
private:
mutable std::mutex mLock;
PointerResources mResources;
PointerControllerContext& mContext;
struct Locked {
DisplayViewport viewport;
size_t animationFrameIndex;
nsecs_t lastFrameUpdatedTime;
int32_t pointerFadeDirection;
float pointerX;
float pointerY;
float pointerAlpha;
sp<Sprite> pointerSprite;
SpriteIcon pointerIcon;
bool updatePointerIcon;
bool resourcesLoaded;
std::map<int32_t, SpriteIcon> additionalMouseResources;
std::map<int32_t, PointerAnimation> animationResources;
int32_t requestedPointerType;
int32_t buttonState;
} mLocked GUARDED_BY(mLock);
bool getBoundsLocked(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const;
void setPositionLocked(float x, float y);
void updatePointerLocked();
void loadResourcesLocked(bool getAdditionalMouseResources);
};
} // namespace android
#endif // _UI_MOUSE_CURSOR_CONTROLLER_H

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@@ -21,31 +21,26 @@
#define DEBUG_POINTER_UPDATES 0
#include "PointerController.h"
#include "MouseCursorController.h"
#include "PointerControllerContext.h"
#include "TouchSpotController.h"
#include <log/log.h>
#include <memory>
#include <SkBitmap.h>
#include <SkBlendMode.h>
#include <SkCanvas.h>
#include <SkColor.h>
#include <SkPaint.h>
namespace android {
// --- PointerController ---
// Time to wait before starting the fade when the pointer is inactive.
static const nsecs_t INACTIVITY_TIMEOUT_DELAY_TIME_NORMAL = 15 * 1000 * 1000000LL; // 15 seconds
static const nsecs_t INACTIVITY_TIMEOUT_DELAY_TIME_SHORT = 3 * 1000 * 1000000LL; // 3 seconds
// Time to spend fading out the spot completely.
static const nsecs_t SPOT_FADE_DURATION = 200 * 1000000LL; // 200 ms
// Time to spend fading out the pointer completely.
static const nsecs_t POINTER_FADE_DURATION = 500 * 1000000LL; // 500 ms
// The number of events to be read at once for DisplayEventReceiver.
static const int EVENT_BUFFER_SIZE = 100;
std::shared_ptr<PointerController> PointerController::create(
const sp<PointerControllerPolicyInterface>& policy, const sp<Looper>& looper,
const sp<SpriteController>& spriteController) {
// using 'new' to access non-public constructor
std::shared_ptr<PointerController> controller = std::shared_ptr<PointerController>(
new PointerController(policy, looper, spriteController));
@@ -60,758 +55,175 @@ std::shared_ptr<PointerController> PointerController::create(
* weak_ptr's which themselves cannot be constructed until there's at least one shared_ptr.
*/
controller->mHandler->pointerController = controller;
controller->mCallback->pointerController = controller;
if (controller->mDisplayEventReceiver.initCheck() == NO_ERROR) {
controller->mLooper->addFd(controller->mDisplayEventReceiver.getFd(), Looper::POLL_CALLBACK,
Looper::EVENT_INPUT, controller->mCallback, nullptr);
} else {
ALOGE("Failed to initialize DisplayEventReceiver.");
}
controller->mContext.setHandlerController(controller);
controller->mContext.setCallbackController(controller);
controller->mContext.initializeDisplayEventReceiver();
return controller;
}
PointerController::PointerController(const sp<PointerControllerPolicyInterface>& policy,
const sp<Looper>& looper,
const sp<SpriteController>& spriteController)
: mPolicy(policy),
mLooper(looper),
mSpriteController(spriteController),
mHandler(new MessageHandler()),
mCallback(new LooperCallback()) {
AutoMutex _l(mLock);
mLocked.animationPending = false;
mLocked.presentation = Presentation::POINTER;
mLocked.presentationChanged = false;
mLocked.inactivityTimeout = InactivityTimeout::NORMAL;
mLocked.pointerFadeDirection = 0;
mLocked.pointerX = 0;
mLocked.pointerY = 0;
mLocked.pointerAlpha = 0.0f; // pointer is initially faded
mLocked.pointerSprite = mSpriteController->createSprite();
mLocked.pointerIconChanged = false;
mLocked.requestedPointerType = mPolicy->getDefaultPointerIconId();
mLocked.animationFrameIndex = 0;
mLocked.lastFrameUpdatedTime = 0;
mLocked.buttonState = 0;
: mContext(policy, looper, spriteController, *this), mCursorController(mContext) {
std::scoped_lock lock(mLock);
mLocked.presentation = Presentation::SPOT;
}
PointerController::~PointerController() {
mLooper->removeMessages(mHandler);
AutoMutex _l(mLock);
mLocked.pointerSprite.clear();
for (auto& it : mLocked.spotsByDisplay) {
const std::vector<Spot*>& spots = it.second;
size_t numSpots = spots.size();
for (size_t i = 0; i < numSpots; i++) {
delete spots[i];
}
}
mLocked.spotsByDisplay.clear();
mLocked.recycledSprites.clear();
}
bool PointerController::getBounds(float* outMinX, float* outMinY,
float* outMaxX, float* outMaxY) const {
AutoMutex _l(mLock);
return getBoundsLocked(outMinX, outMinY, outMaxX, outMaxY);
}
bool PointerController::getBoundsLocked(float* outMinX, float* outMinY,
float* outMaxX, float* outMaxY) const {
if (!mLocked.viewport.isValid()) {
return false;
}
*outMinX = mLocked.viewport.logicalLeft;
*outMinY = mLocked.viewport.logicalTop;
*outMaxX = mLocked.viewport.logicalRight - 1;
*outMaxY = mLocked.viewport.logicalBottom - 1;
return true;
bool PointerController::getBounds(float* outMinX, float* outMinY, float* outMaxX,
float* outMaxY) const {
return mCursorController.getBounds(outMinX, outMinY, outMaxX, outMaxY);
}
void PointerController::move(float deltaX, float deltaY) {
#if DEBUG_POINTER_UPDATES
ALOGD("Move pointer by deltaX=%0.3f, deltaY=%0.3f", deltaX, deltaY);
#endif
if (deltaX == 0.0f && deltaY == 0.0f) {
return;
}
AutoMutex _l(mLock);
setPositionLocked(mLocked.pointerX + deltaX, mLocked.pointerY + deltaY);
mCursorController.move(deltaX, deltaY);
}
void PointerController::setButtonState(int32_t buttonState) {
#if DEBUG_POINTER_UPDATES
ALOGD("Set button state 0x%08x", buttonState);
#endif
AutoMutex _l(mLock);
if (mLocked.buttonState != buttonState) {
mLocked.buttonState = buttonState;
}
mCursorController.setButtonState(buttonState);
}
int32_t PointerController::getButtonState() const {
AutoMutex _l(mLock);
return mLocked.buttonState;
return mCursorController.getButtonState();
}
void PointerController::setPosition(float x, float y) {
#if DEBUG_POINTER_UPDATES
ALOGD("Set pointer position to x=%0.3f, y=%0.3f", x, y);
#endif
AutoMutex _l(mLock);
setPositionLocked(x, y);
}
void PointerController::setPositionLocked(float x, float y) {
float minX, minY, maxX, maxY;
if (getBoundsLocked(&minX, &minY, &maxX, &maxY)) {
if (x <= minX) {
mLocked.pointerX = minX;
} else if (x >= maxX) {
mLocked.pointerX = maxX;
} else {
mLocked.pointerX = x;
}
if (y <= minY) {
mLocked.pointerY = minY;
} else if (y >= maxY) {
mLocked.pointerY = maxY;
} else {
mLocked.pointerY = y;
}
updatePointerLocked();
}
std::scoped_lock lock(mLock);
mCursorController.setPosition(x, y);
}
void PointerController::getPosition(float* outX, float* outY) const {
AutoMutex _l(mLock);
*outX = mLocked.pointerX;
*outY = mLocked.pointerY;
mCursorController.getPosition(outX, outY);
}
int32_t PointerController::getDisplayId() const {
AutoMutex _l(mLock);
return mLocked.viewport.displayId;
return mCursorController.getDisplayId();
}
void PointerController::fade(Transition transition) {
AutoMutex _l(mLock);
// Remove the inactivity timeout, since we are fading now.
removeInactivityTimeoutLocked();
// Start fading.
if (transition == Transition::IMMEDIATE) {
mLocked.pointerFadeDirection = 0;
mLocked.pointerAlpha = 0.0f;
updatePointerLocked();
} else {
mLocked.pointerFadeDirection = -1;
startAnimationLocked();
}
std::scoped_lock lock(mLock);
mCursorController.fade(transition);
}
void PointerController::unfade(Transition transition) {
AutoMutex _l(mLock);
// Always reset the inactivity timer.
resetInactivityTimeoutLocked();
// Start unfading.
if (transition == Transition::IMMEDIATE) {
mLocked.pointerFadeDirection = 0;
mLocked.pointerAlpha = 1.0f;
updatePointerLocked();
} else {
mLocked.pointerFadeDirection = 1;
startAnimationLocked();
}
std::scoped_lock lock(mLock);
mCursorController.unfade(transition);
}
void PointerController::setPresentation(Presentation presentation) {
AutoMutex _l(mLock);
std::scoped_lock lock(mLock);
if (mLocked.presentation == presentation) {
return;
}
mLocked.presentation = presentation;
mLocked.presentationChanged = true;
if (!mLocked.viewport.isValid()) {
if (!mCursorController.isViewportValid()) {
return;
}
if (presentation == Presentation::POINTER) {
if (mLocked.additionalMouseResources.empty()) {
mPolicy->loadAdditionalMouseResources(&mLocked.additionalMouseResources,
&mLocked.animationResources,
mLocked.viewport.displayId);
}
fadeOutAndReleaseAllSpotsLocked();
updatePointerLocked();
mCursorController.getAdditionalMouseResources();
clearSpotsLocked();
}
}
void PointerController::setSpots(const PointerCoords* spotCoords,
const uint32_t* spotIdToIndex, BitSet32 spotIdBits, int32_t displayId) {
#if DEBUG_POINTER_UPDATES
ALOGD("setSpots: idBits=%08x", spotIdBits.value);
for (BitSet32 idBits(spotIdBits); !idBits.isEmpty(); ) {
uint32_t id = idBits.firstMarkedBit();
idBits.clearBit(id);
const PointerCoords& c = spotCoords[spotIdToIndex[id]];
ALOGD(" spot %d: position=(%0.3f, %0.3f), pressure=%0.3f, displayId=%" PRId32 ".", id,
c.getAxisValue(AMOTION_EVENT_AXIS_X),
c.getAxisValue(AMOTION_EVENT_AXIS_Y),
c.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
displayId);
void PointerController::setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex,
BitSet32 spotIdBits, int32_t displayId) {
std::scoped_lock lock(mLock);
auto it = mLocked.spotControllers.find(displayId);
if (it == mLocked.spotControllers.end()) {
mLocked.spotControllers.try_emplace(displayId, displayId, mContext);
}
#endif
AutoMutex _l(mLock);
if (!mLocked.viewport.isValid()) {
return;
}
std::vector<Spot*> newSpots;
std::map<int32_t, std::vector<Spot*>>::const_iterator iter =
mLocked.spotsByDisplay.find(displayId);
if (iter != mLocked.spotsByDisplay.end()) {
newSpots = iter->second;
}
mSpriteController->openTransaction();
// Add or move spots for fingers that are down.
for (BitSet32 idBits(spotIdBits); !idBits.isEmpty(); ) {
uint32_t id = idBits.clearFirstMarkedBit();
const PointerCoords& c = spotCoords[spotIdToIndex[id]];
const SpriteIcon& icon = c.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE) > 0
? mResources.spotTouch : mResources.spotHover;
float x = c.getAxisValue(AMOTION_EVENT_AXIS_X);
float y = c.getAxisValue(AMOTION_EVENT_AXIS_Y);
Spot* spot = getSpot(id, newSpots);
if (!spot) {
spot = createAndAddSpotLocked(id, newSpots);
}
spot->updateSprite(&icon, x, y, displayId);
}
// Remove spots for fingers that went up.
for (size_t i = 0; i < newSpots.size(); i++) {
Spot* spot = newSpots[i];
if (spot->id != Spot::INVALID_ID
&& !spotIdBits.hasBit(spot->id)) {
fadeOutAndReleaseSpotLocked(spot);
}
}
mSpriteController->closeTransaction();
mLocked.spotsByDisplay[displayId] = newSpots;
mLocked.spotControllers.at(displayId).setSpots(spotCoords, spotIdToIndex, spotIdBits);
}
void PointerController::clearSpots() {
#if DEBUG_POINTER_UPDATES
ALOGD("clearSpots");
#endif
std::scoped_lock lock(mLock);
clearSpotsLocked();
}
AutoMutex _l(mLock);
if (!mLocked.viewport.isValid()) {
return;
void PointerController::clearSpotsLocked() REQUIRES(mLock) {
for (auto& [displayID, spotController] : mLocked.spotControllers) {
spotController.clearSpots();
}
fadeOutAndReleaseAllSpotsLocked();
}
void PointerController::setInactivityTimeout(InactivityTimeout inactivityTimeout) {
AutoMutex _l(mLock);
if (mLocked.inactivityTimeout != inactivityTimeout) {
mLocked.inactivityTimeout = inactivityTimeout;
resetInactivityTimeoutLocked();
}
mContext.setInactivityTimeout(inactivityTimeout);
}
void PointerController::reloadPointerResources() {
AutoMutex _l(mLock);
std::scoped_lock lock(mLock);
loadResourcesLocked();
updatePointerLocked();
}
for (auto& [displayID, spotController] : mLocked.spotControllers) {
spotController.reloadSpotResources();
}
/**
* The viewport values for deviceHeight and deviceWidth have already been adjusted for rotation,
* so here we are getting the dimensions in the original, unrotated orientation (orientation 0).
*/
static void getNonRotatedSize(const DisplayViewport& viewport, int32_t& width, int32_t& height) {
width = viewport.deviceWidth;
height = viewport.deviceHeight;
if (viewport.orientation == DISPLAY_ORIENTATION_90
|| viewport.orientation == DISPLAY_ORIENTATION_270) {
std::swap(width, height);
if (mCursorController.resourcesLoaded()) {
bool getAdditionalMouseResources = false;
if (mLocked.presentation == PointerController::Presentation::POINTER) {
getAdditionalMouseResources = true;
}
mCursorController.reloadPointerResources(getAdditionalMouseResources);
}
}
void PointerController::setDisplayViewport(const DisplayViewport& viewport) {
AutoMutex _l(mLock);
if (viewport == mLocked.viewport) {
return;
std::scoped_lock lock(mLock);
bool getAdditionalMouseResources = false;
if (mLocked.presentation == PointerController::Presentation::POINTER) {
getAdditionalMouseResources = true;
}
const DisplayViewport oldViewport = mLocked.viewport;
mLocked.viewport = viewport;
int32_t oldDisplayWidth, oldDisplayHeight;
getNonRotatedSize(oldViewport, oldDisplayWidth, oldDisplayHeight);
int32_t newDisplayWidth, newDisplayHeight;
getNonRotatedSize(viewport, newDisplayWidth, newDisplayHeight);
// Reset cursor position to center if size or display changed.
if (oldViewport.displayId != viewport.displayId
|| oldDisplayWidth != newDisplayWidth
|| oldDisplayHeight != newDisplayHeight) {
float minX, minY, maxX, maxY;
if (getBoundsLocked(&minX, &minY, &maxX, &maxY)) {
mLocked.pointerX = (minX + maxX) * 0.5f;
mLocked.pointerY = (minY + maxY) * 0.5f;
// Reload icon resources for density may be changed.
loadResourcesLocked();
} else {
mLocked.pointerX = 0;
mLocked.pointerY = 0;
}
fadeOutAndReleaseAllSpotsLocked();
} else if (oldViewport.orientation != viewport.orientation) {
// Apply offsets to convert from the pixel top-left corner position to the pixel center.
// This creates an invariant frame of reference that we can easily rotate when
// taking into account that the pointer may be located at fractional pixel offsets.
float x = mLocked.pointerX + 0.5f;
float y = mLocked.pointerY + 0.5f;
float temp;
// Undo the previous rotation.
switch (oldViewport.orientation) {
case DISPLAY_ORIENTATION_90:
temp = x;
x = oldViewport.deviceHeight - y;
y = temp;
break;
case DISPLAY_ORIENTATION_180:
x = oldViewport.deviceWidth - x;
y = oldViewport.deviceHeight - y;
break;
case DISPLAY_ORIENTATION_270:
temp = x;
x = y;
y = oldViewport.deviceWidth - temp;
break;
}
// Perform the new rotation.
switch (viewport.orientation) {
case DISPLAY_ORIENTATION_90:
temp = x;
x = y;
y = viewport.deviceHeight - temp;
break;
case DISPLAY_ORIENTATION_180:
x = viewport.deviceWidth - x;
y = viewport.deviceHeight - y;
break;
case DISPLAY_ORIENTATION_270:
temp = x;
x = viewport.deviceWidth - y;
y = temp;
break;
}
// Apply offsets to convert from the pixel center to the pixel top-left corner position
// and save the results.
mLocked.pointerX = x - 0.5f;
mLocked.pointerY = y - 0.5f;
}
updatePointerLocked();
mCursorController.setDisplayViewport(viewport, getAdditionalMouseResources);
}
void PointerController::updatePointerIcon(int32_t iconId) {
AutoMutex _l(mLock);
if (mLocked.requestedPointerType != iconId) {
mLocked.requestedPointerType = iconId;
mLocked.presentationChanged = true;
updatePointerLocked();
}
std::scoped_lock lock(mLock);
mCursorController.updatePointerIcon(iconId);
}
void PointerController::setCustomPointerIcon(const SpriteIcon& icon) {
AutoMutex _l(mLock);
const int32_t iconId = mPolicy->getCustomPointerIconId();
mLocked.additionalMouseResources[iconId] = icon;
mLocked.requestedPointerType = iconId;
mLocked.presentationChanged = true;
updatePointerLocked();
}
void PointerController::MessageHandler::handleMessage(const Message& message) {
std::shared_ptr<PointerController> controller = pointerController.lock();
if (controller == nullptr) {
ALOGE("PointerController instance was released before processing message: what=%d",
message.what);
return;
}
switch (message.what) {
case MSG_INACTIVITY_TIMEOUT:
controller->doInactivityTimeout();
break;
}
}
int PointerController::LooperCallback::handleEvent(int /* fd */, int events, void* /* data */) {
std::shared_ptr<PointerController> controller = pointerController.lock();
if (controller == nullptr) {
ALOGW("PointerController instance was released with pending callbacks. events=0x%x",
events);
return 0; // Remove the callback, the PointerController is gone anyways
}
if (events & (Looper::EVENT_ERROR | Looper::EVENT_HANGUP)) {
ALOGE("Display event receiver pipe was closed or an error occurred. events=0x%x", events);
return 0; // remove the callback
}
if (!(events & Looper::EVENT_INPUT)) {
ALOGW("Received spurious callback for unhandled poll event. events=0x%x", events);
return 1; // keep the callback
}
bool gotVsync = false;
ssize_t n;
nsecs_t timestamp;
DisplayEventReceiver::Event buf[EVENT_BUFFER_SIZE];
while ((n = controller->mDisplayEventReceiver.getEvents(buf, EVENT_BUFFER_SIZE)) > 0) {
for (size_t i = 0; i < static_cast<size_t>(n); ++i) {
if (buf[i].header.type == DisplayEventReceiver::DISPLAY_EVENT_VSYNC) {
timestamp = buf[i].header.timestamp;
gotVsync = true;
}
}
}
if (gotVsync) {
controller->doAnimate(timestamp);
}
return 1; // keep the callback
std::scoped_lock lock(mLock);
mCursorController.setCustomPointerIcon(icon);
}
void PointerController::doAnimate(nsecs_t timestamp) {
AutoMutex _l(mLock);
std::scoped_lock lock(mLock);
mLocked.animationPending = false;
mContext.setAnimationPending(false);
bool keepFading = doFadingAnimationLocked(timestamp);
bool keepBitmapFlipping = doBitmapAnimationLocked(timestamp);
bool keepFading = false;
keepFading = mCursorController.doFadingAnimation(timestamp, keepFading);
for (auto& [displayID, spotController] : mLocked.spotControllers) {
keepFading = spotController.doFadingAnimation(timestamp, keepFading);
}
bool keepBitmapFlipping = mCursorController.doBitmapAnimation(timestamp);
if (keepFading || keepBitmapFlipping) {
startAnimationLocked();
mContext.startAnimation();
}
}
bool PointerController::doFadingAnimationLocked(nsecs_t timestamp) {
bool keepAnimating = false;
nsecs_t frameDelay = timestamp - mLocked.animationTime;
// Animate pointer fade.
if (mLocked.pointerFadeDirection < 0) {
mLocked.pointerAlpha -= float(frameDelay) / POINTER_FADE_DURATION;
if (mLocked.pointerAlpha <= 0.0f) {
mLocked.pointerAlpha = 0.0f;
mLocked.pointerFadeDirection = 0;
} else {
keepAnimating = true;
}
updatePointerLocked();
} else if (mLocked.pointerFadeDirection > 0) {
mLocked.pointerAlpha += float(frameDelay) / POINTER_FADE_DURATION;
if (mLocked.pointerAlpha >= 1.0f) {
mLocked.pointerAlpha = 1.0f;
mLocked.pointerFadeDirection = 0;
} else {
keepAnimating = true;
}
updatePointerLocked();
}
// Animate spots that are fading out and being removed.
for(auto it = mLocked.spotsByDisplay.begin(); it != mLocked.spotsByDisplay.end();) {
std::vector<Spot*>& spots = it->second;
size_t numSpots = spots.size();
for (size_t i = 0; i < numSpots;) {
Spot* spot = spots[i];
if (spot->id == Spot::INVALID_ID) {
spot->alpha -= float(frameDelay) / SPOT_FADE_DURATION;
if (spot->alpha <= 0) {
spots.erase(spots.begin() + i);
releaseSpotLocked(spot);
numSpots--;
continue;
} else {
spot->sprite->setAlpha(spot->alpha);
keepAnimating = true;
}
}
++i;
}
if (spots.size() == 0) {
it = mLocked.spotsByDisplay.erase(it);
} else {
++it;
}
}
return keepAnimating;
}
bool PointerController::doBitmapAnimationLocked(nsecs_t timestamp) {
std::map<int32_t, PointerAnimation>::const_iterator iter = mLocked.animationResources.find(
mLocked.requestedPointerType);
if (iter == mLocked.animationResources.end()) {
return false;
}
if (timestamp - mLocked.lastFrameUpdatedTime > iter->second.durationPerFrame) {
mSpriteController->openTransaction();
int incr = (timestamp - mLocked.lastFrameUpdatedTime) / iter->second.durationPerFrame;
mLocked.animationFrameIndex += incr;
mLocked.lastFrameUpdatedTime += iter->second.durationPerFrame * incr;
while (mLocked.animationFrameIndex >= iter->second.animationFrames.size()) {
mLocked.animationFrameIndex -= iter->second.animationFrames.size();
}
mLocked.pointerSprite->setIcon(iter->second.animationFrames[mLocked.animationFrameIndex]);
mSpriteController->closeTransaction();
}
// Keep animating.
return true;
}
void PointerController::doInactivityTimeout() {
fade(Transition::GRADUAL);
}
void PointerController::startAnimationLocked() {
if (!mLocked.animationPending) {
mLocked.animationPending = true;
mLocked.animationTime = systemTime(SYSTEM_TIME_MONOTONIC);
mDisplayEventReceiver.requestNextVsync();
}
}
void PointerController::resetInactivityTimeoutLocked() {
mLooper->removeMessages(mHandler, MSG_INACTIVITY_TIMEOUT);
nsecs_t timeout = mLocked.inactivityTimeout == InactivityTimeout::SHORT
? INACTIVITY_TIMEOUT_DELAY_TIME_SHORT
: INACTIVITY_TIMEOUT_DELAY_TIME_NORMAL;
mLooper->sendMessageDelayed(timeout, mHandler, MSG_INACTIVITY_TIMEOUT);
}
void PointerController::removeInactivityTimeoutLocked() {
mLooper->removeMessages(mHandler, MSG_INACTIVITY_TIMEOUT);
}
void PointerController::updatePointerLocked() REQUIRES(mLock) {
if (!mLocked.viewport.isValid()) {
return;
void PointerController::onDisplayViewportsUpdated(std::vector<DisplayViewport>& viewports) {
std::unordered_set<int32_t> displayIdSet;
for (DisplayViewport viewport : viewports) {
displayIdSet.insert(viewport.displayId);
}
mSpriteController->openTransaction();
mLocked.pointerSprite->setLayer(Sprite::BASE_LAYER_POINTER);
mLocked.pointerSprite->setPosition(mLocked.pointerX, mLocked.pointerY);
mLocked.pointerSprite->setDisplayId(mLocked.viewport.displayId);
if (mLocked.pointerAlpha > 0) {
mLocked.pointerSprite->setAlpha(mLocked.pointerAlpha);
mLocked.pointerSprite->setVisible(true);
} else {
mLocked.pointerSprite->setVisible(false);
}
if (mLocked.pointerIconChanged || mLocked.presentationChanged) {
if (mLocked.presentation == Presentation::POINTER) {
if (mLocked.requestedPointerType == mPolicy->getDefaultPointerIconId()) {
mLocked.pointerSprite->setIcon(mLocked.pointerIcon);
} else {
std::map<int32_t, SpriteIcon>::const_iterator iter =
mLocked.additionalMouseResources.find(mLocked.requestedPointerType);
if (iter != mLocked.additionalMouseResources.end()) {
std::map<int32_t, PointerAnimation>::const_iterator anim_iter =
mLocked.animationResources.find(mLocked.requestedPointerType);
if (anim_iter != mLocked.animationResources.end()) {
mLocked.animationFrameIndex = 0;
mLocked.lastFrameUpdatedTime = systemTime(SYSTEM_TIME_MONOTONIC);
startAnimationLocked();
}
mLocked.pointerSprite->setIcon(iter->second);
} else {
ALOGW("Can't find the resource for icon id %d", mLocked.requestedPointerType);
mLocked.pointerSprite->setIcon(mLocked.pointerIcon);
}
}
std::scoped_lock lock(mLock);
for (auto it = mLocked.spotControllers.begin(); it != mLocked.spotControllers.end();) {
int32_t displayID = it->first;
if (!displayIdSet.count(displayID)) {
it = mLocked.spotControllers.erase(it);
} else {
mLocked.pointerSprite->setIcon(mResources.spotAnchor);
}
mLocked.pointerIconChanged = false;
mLocked.presentationChanged = false;
}
mSpriteController->closeTransaction();
}
PointerController::Spot* PointerController::getSpot(uint32_t id, const std::vector<Spot*>& spots) {
for (size_t i = 0; i < spots.size(); i++) {
Spot* spot = spots[i];
if (spot->id == id) {
return spot;
}
}
return nullptr;
}
PointerController::Spot* PointerController::createAndAddSpotLocked(uint32_t id,
std::vector<Spot*>& spots) {
// Remove spots until we have fewer than MAX_SPOTS remaining.
while (spots.size() >= MAX_SPOTS) {
Spot* spot = removeFirstFadingSpotLocked(spots);
if (!spot) {
spot = spots[0];
spots.erase(spots.begin());
}
releaseSpotLocked(spot);
}
// Obtain a sprite from the recycled pool.
sp<Sprite> sprite;
if (! mLocked.recycledSprites.empty()) {
sprite = mLocked.recycledSprites.back();
mLocked.recycledSprites.pop_back();
} else {
sprite = mSpriteController->createSprite();
}
// Return the new spot.
Spot* spot = new Spot(id, sprite);
spots.push_back(spot);
return spot;
}
PointerController::Spot* PointerController::removeFirstFadingSpotLocked(std::vector<Spot*>& spots) {
for (size_t i = 0; i < spots.size(); i++) {
Spot* spot = spots[i];
if (spot->id == Spot::INVALID_ID) {
spots.erase(spots.begin() + i);
return spot;
}
}
return nullptr;
}
void PointerController::releaseSpotLocked(Spot* spot) {
spot->sprite->clearIcon();
if (mLocked.recycledSprites.size() < MAX_RECYCLED_SPRITES) {
mLocked.recycledSprites.push_back(spot->sprite);
}
delete spot;
}
void PointerController::fadeOutAndReleaseSpotLocked(Spot* spot) {
if (spot->id != Spot::INVALID_ID) {
spot->id = Spot::INVALID_ID;
startAnimationLocked();
}
}
void PointerController::fadeOutAndReleaseAllSpotsLocked() {
for (auto& it : mLocked.spotsByDisplay) {
const std::vector<Spot*>& spots = it.second;
size_t numSpots = spots.size();
for (size_t i = 0; i < numSpots; i++) {
Spot* spot = spots[i];
fadeOutAndReleaseSpotLocked(spot);
}
}
}
void PointerController::loadResourcesLocked() REQUIRES(mLock) {
if (!mLocked.viewport.isValid()) {
return;
}
mPolicy->loadPointerResources(&mResources, mLocked.viewport.displayId);
mPolicy->loadPointerIcon(&mLocked.pointerIcon, mLocked.viewport.displayId);
mLocked.additionalMouseResources.clear();
mLocked.animationResources.clear();
if (mLocked.presentation == Presentation::POINTER) {
mPolicy->loadAdditionalMouseResources(&mLocked.additionalMouseResources,
&mLocked.animationResources, mLocked.viewport.displayId);
}
mLocked.pointerIconChanged = true;
}
// --- PointerController::Spot ---
void PointerController::Spot::updateSprite(const SpriteIcon* icon, float x, float y,
int32_t displayId) {
sprite->setLayer(Sprite::BASE_LAYER_SPOT + id);
sprite->setAlpha(alpha);
sprite->setTransformationMatrix(SpriteTransformationMatrix(scale, 0.0f, 0.0f, scale));
sprite->setPosition(x, y);
sprite->setDisplayId(displayId);
this->x = x;
this->y = y;
if (icon != lastIcon) {
lastIcon = icon;
if (icon) {
sprite->setIcon(*icon);
sprite->setVisible(true);
} else {
sprite->setVisible(false);
++it;
}
}
}

View File

@@ -30,47 +30,13 @@
#include <memory>
#include <vector>
#include "MouseCursorController.h"
#include "PointerControllerContext.h"
#include "SpriteController.h"
#include "TouchSpotController.h"
namespace android {
/*
* Pointer resources.
*/
struct PointerResources {
SpriteIcon spotHover;
SpriteIcon spotTouch;
SpriteIcon spotAnchor;
};
struct PointerAnimation {
std::vector<SpriteIcon> animationFrames;
nsecs_t durationPerFrame;
};
/*
* Pointer controller policy interface.
*
* The pointer controller policy is used by the pointer controller to interact with
* the Window Manager and other system components.
*
* The actual implementation is partially supported by callbacks into the DVM
* via JNI. This interface is also mocked in the unit tests.
*/
class PointerControllerPolicyInterface : public virtual RefBase {
protected:
PointerControllerPolicyInterface() { }
virtual ~PointerControllerPolicyInterface() { }
public:
virtual void loadPointerIcon(SpriteIcon* icon, int32_t displayId) = 0;
virtual void loadPointerResources(PointerResources* outResources, int32_t displayId) = 0;
virtual void loadAdditionalMouseResources(std::map<int32_t, SpriteIcon>* outResources,
std::map<int32_t, PointerAnimation>* outAnimationResources, int32_t displayId) = 0;
virtual int32_t getDefaultPointerIconId() = 0;
virtual int32_t getCustomPointerIconId() = 0;
};
/*
* Tracks pointer movements and draws the pointer sprite to a surface.
*
@@ -81,15 +47,10 @@ public:
static std::shared_ptr<PointerController> create(
const sp<PointerControllerPolicyInterface>& policy, const sp<Looper>& looper,
const sp<SpriteController>& spriteController);
enum class InactivityTimeout {
NORMAL = 0,
SHORT = 1,
};
virtual ~PointerController();
virtual ~PointerController() = default;
virtual bool getBounds(float* outMinX, float* outMinY,
float* outMaxX, float* outMaxY) const;
virtual bool getBounds(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const;
virtual void move(float deltaX, float deltaY);
virtual void setButtonState(int32_t buttonState);
virtual int32_t getButtonState() const;
@@ -101,129 +62,37 @@ public:
virtual void setDisplayViewport(const DisplayViewport& viewport);
virtual void setPresentation(Presentation presentation);
virtual void setSpots(const PointerCoords* spotCoords,
const uint32_t* spotIdToIndex, BitSet32 spotIdBits, int32_t displayId);
virtual void setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex,
BitSet32 spotIdBits, int32_t displayId);
virtual void clearSpots();
void updatePointerIcon(int32_t iconId);
void setCustomPointerIcon(const SpriteIcon& icon);
void setInactivityTimeout(InactivityTimeout inactivityTimeout);
void doInactivityTimeout();
void doAnimate(nsecs_t timestamp);
void reloadPointerResources();
void onDisplayViewportsUpdated(std::vector<DisplayViewport>& viewports);
private:
static constexpr size_t MAX_RECYCLED_SPRITES = 12;
static constexpr size_t MAX_SPOTS = 12;
friend PointerControllerContext::LooperCallback;
friend PointerControllerContext::MessageHandler;
enum {
MSG_INACTIVITY_TIMEOUT,
};
mutable std::mutex mLock;
struct Spot {
static const uint32_t INVALID_ID = 0xffffffff;
PointerControllerContext mContext;
uint32_t id;
sp<Sprite> sprite;
float alpha;
float scale;
float x, y;
inline Spot(uint32_t id, const sp<Sprite>& sprite)
: id(id),
sprite(sprite),
alpha(1.0f),
scale(1.0f),
x(0.0f),
y(0.0f),
lastIcon(nullptr) {}
void updateSprite(const SpriteIcon* icon, float x, float y, int32_t displayId);
private:
const SpriteIcon* lastIcon;
};
class MessageHandler : public virtual android::MessageHandler {
public:
void handleMessage(const Message& message) override;
std::weak_ptr<PointerController> pointerController;
};
class LooperCallback : public virtual android::LooperCallback {
public:
int handleEvent(int fd, int events, void* data) override;
std::weak_ptr<PointerController> pointerController;
};
mutable Mutex mLock;
sp<PointerControllerPolicyInterface> mPolicy;
sp<Looper> mLooper;
sp<SpriteController> mSpriteController;
sp<MessageHandler> mHandler;
sp<LooperCallback> mCallback;
DisplayEventReceiver mDisplayEventReceiver;
PointerResources mResources;
MouseCursorController mCursorController;
struct Locked {
bool animationPending;
nsecs_t animationTime;
size_t animationFrameIndex;
nsecs_t lastFrameUpdatedTime;
DisplayViewport viewport;
InactivityTimeout inactivityTimeout;
Presentation presentation;
bool presentationChanged;
int32_t pointerFadeDirection;
float pointerX;
float pointerY;
float pointerAlpha;
sp<Sprite> pointerSprite;
SpriteIcon pointerIcon;
bool pointerIconChanged;
std::map<int32_t, SpriteIcon> additionalMouseResources;
std::map<int32_t, PointerAnimation> animationResources;
int32_t requestedPointerType;
int32_t buttonState;
std::map<int32_t /* displayId */, std::vector<Spot*>> spotsByDisplay;
std::vector<sp<Sprite>> recycledSprites;
std::unordered_map<int32_t /* displayId */, TouchSpotController> spotControllers;
} mLocked GUARDED_BY(mLock);
PointerController(const sp<PointerControllerPolicyInterface>& policy, const sp<Looper>& looper,
const sp<SpriteController>& spriteController);
bool getBoundsLocked(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const;
void setPositionLocked(float x, float y);
void doAnimate(nsecs_t timestamp);
bool doFadingAnimationLocked(nsecs_t timestamp);
bool doBitmapAnimationLocked(nsecs_t timestamp);
void doInactivityTimeout();
void startAnimationLocked();
void resetInactivityTimeoutLocked();
void removeInactivityTimeoutLocked();
void updatePointerLocked();
Spot* getSpot(uint32_t id, const std::vector<Spot*>& spots);
Spot* createAndAddSpotLocked(uint32_t id, std::vector<Spot*>& spots);
Spot* removeFirstFadingSpotLocked(std::vector<Spot*>& spots);
void releaseSpotLocked(Spot* spot);
void fadeOutAndReleaseSpotLocked(Spot* spot);
void fadeOutAndReleaseAllSpotsLocked();
void loadResourcesLocked();
void clearSpotsLocked();
};
} // namespace android

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@@ -0,0 +1,179 @@
/*
* Copyright (C) 2020 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.
*/
#include "PointerControllerContext.h"
#include "PointerController.h"
namespace {
// Time to wait before starting the fade when the pointer is inactive.
const nsecs_t INACTIVITY_TIMEOUT_DELAY_TIME_NORMAL = 15 * 1000 * 1000000LL; // 15 seconds
const nsecs_t INACTIVITY_TIMEOUT_DELAY_TIME_SHORT = 3 * 1000 * 1000000LL; // 3 seconds
// The number of events to be read at once for DisplayEventReceiver.
const int EVENT_BUFFER_SIZE = 100;
} // namespace
namespace android {
// --- PointerControllerContext ---
PointerControllerContext::PointerControllerContext(
const sp<PointerControllerPolicyInterface>& policy, const sp<Looper>& looper,
const sp<SpriteController>& spriteController, PointerController& controller)
: mPolicy(policy),
mLooper(looper),
mSpriteController(spriteController),
mHandler(new MessageHandler()),
mCallback(new LooperCallback()),
mController(controller) {
std::scoped_lock lock(mLock);
mLocked.inactivityTimeout = InactivityTimeout::NORMAL;
mLocked.animationPending = false;
}
PointerControllerContext::~PointerControllerContext() {
mLooper->removeMessages(mHandler);
}
void PointerControllerContext::setInactivityTimeout(InactivityTimeout inactivityTimeout) {
std::scoped_lock lock(mLock);
if (mLocked.inactivityTimeout != inactivityTimeout) {
mLocked.inactivityTimeout = inactivityTimeout;
resetInactivityTimeoutLocked();
}
}
void PointerControllerContext::startAnimation() {
std::scoped_lock lock(mLock);
if (!mLocked.animationPending) {
mLocked.animationPending = true;
mLocked.animationTime = systemTime(SYSTEM_TIME_MONOTONIC);
mDisplayEventReceiver.requestNextVsync();
}
}
void PointerControllerContext::resetInactivityTimeout() {
std::scoped_lock lock(mLock);
resetInactivityTimeoutLocked();
}
void PointerControllerContext::resetInactivityTimeoutLocked() REQUIRES(mLock) {
mLooper->removeMessages(mHandler, MessageHandler::MSG_INACTIVITY_TIMEOUT);
nsecs_t timeout = mLocked.inactivityTimeout == InactivityTimeout::SHORT
? INACTIVITY_TIMEOUT_DELAY_TIME_SHORT
: INACTIVITY_TIMEOUT_DELAY_TIME_NORMAL;
mLooper->sendMessageDelayed(timeout, mHandler, MessageHandler::MSG_INACTIVITY_TIMEOUT);
}
void PointerControllerContext::removeInactivityTimeout() {
std::scoped_lock lock(mLock);
mLooper->removeMessages(mHandler, MessageHandler::MSG_INACTIVITY_TIMEOUT);
}
void PointerControllerContext::setAnimationPending(bool animationPending) {
std::scoped_lock lock(mLock);
mLocked.animationPending = animationPending;
}
nsecs_t PointerControllerContext::getAnimationTime() {
std::scoped_lock lock(mLock);
return mLocked.animationTime;
}
void PointerControllerContext::setHandlerController(std::shared_ptr<PointerController> controller) {
mHandler->pointerController = controller;
}
void PointerControllerContext::setCallbackController(
std::shared_ptr<PointerController> controller) {
mCallback->pointerController = controller;
}
sp<PointerControllerPolicyInterface> PointerControllerContext::getPolicy() {
return mPolicy;
}
sp<SpriteController> PointerControllerContext::getSpriteController() {
return mSpriteController;
}
void PointerControllerContext::initializeDisplayEventReceiver() {
if (mDisplayEventReceiver.initCheck() == NO_ERROR) {
mLooper->addFd(mDisplayEventReceiver.getFd(), Looper::POLL_CALLBACK, Looper::EVENT_INPUT,
mCallback, nullptr);
} else {
ALOGE("Failed to initialize DisplayEventReceiver.");
}
}
void PointerControllerContext::handleDisplayEvents() {
bool gotVsync = false;
ssize_t n;
nsecs_t timestamp;
DisplayEventReceiver::Event buf[EVENT_BUFFER_SIZE];
while ((n = mDisplayEventReceiver.getEvents(buf, EVENT_BUFFER_SIZE)) > 0) {
for (size_t i = 0; i < static_cast<size_t>(n); ++i) {
if (buf[i].header.type == DisplayEventReceiver::DISPLAY_EVENT_VSYNC) {
timestamp = buf[i].header.timestamp;
gotVsync = true;
}
}
}
if (gotVsync) {
mController.doAnimate(timestamp);
}
}
void PointerControllerContext::MessageHandler::handleMessage(const Message& message) {
std::shared_ptr<PointerController> controller = pointerController.lock();
if (controller == nullptr) {
ALOGE("PointerController instance was released before processing message: what=%d",
message.what);
return;
}
switch (message.what) {
case MSG_INACTIVITY_TIMEOUT:
controller->doInactivityTimeout();
break;
}
}
int PointerControllerContext::LooperCallback::handleEvent(int /* fd */, int events,
void* /* data */) {
std::shared_ptr<PointerController> controller = pointerController.lock();
if (controller == nullptr) {
ALOGW("PointerController instance was released with pending callbacks. events=0x%x",
events);
return 0; // Remove the callback, the PointerController is gone anyways
}
if (events & (Looper::EVENT_ERROR | Looper::EVENT_HANGUP)) {
ALOGE("Display event receiver pipe was closed or an error occurred. events=0x%x", events);
return 0; // remove the callback
}
if (!(events & Looper::EVENT_INPUT)) {
ALOGW("Received spurious callback for unhandled poll event. events=0x%x", events);
return 1; // keep the callback
}
controller->mContext.handleDisplayEvents();
return 1; // keep the callback
}
} // namespace android

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@@ -0,0 +1,154 @@
/*
* Copyright (C) 2020 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 _UI_POINTER_CONTROLLER_CONTEXT_H
#define _UI_POINTER_CONTROLLER_CONTEXT_H
#include <PointerControllerInterface.h>
#include <gui/DisplayEventReceiver.h>
#include <input/DisplayViewport.h>
#include <input/Input.h>
#include <ui/DisplayInfo.h>
#include <utils/BitSet.h>
#include <utils/Looper.h>
#include <utils/RefBase.h>
#include <map>
#include <memory>
#include <vector>
#include "SpriteController.h"
namespace android {
class PointerController;
/*
* Pointer resources.
*/
struct PointerResources {
SpriteIcon spotHover;
SpriteIcon spotTouch;
SpriteIcon spotAnchor;
};
struct PointerAnimation {
std::vector<SpriteIcon> animationFrames;
nsecs_t durationPerFrame;
};
enum class InactivityTimeout {
NORMAL = 0,
SHORT = 1,
};
/*
* Pointer controller policy interface.
*
* The pointer controller policy is used by the pointer controller to interact with
* the Window Manager and other system components.
*
* The actual implementation is partially supported by callbacks into the DVM
* via JNI. This interface is also mocked in the unit tests.
*/
class PointerControllerPolicyInterface : public virtual RefBase {
protected:
PointerControllerPolicyInterface() {}
virtual ~PointerControllerPolicyInterface() {}
public:
virtual void loadPointerIcon(SpriteIcon* icon, int32_t displayId) = 0;
virtual void loadPointerResources(PointerResources* outResources, int32_t displayId) = 0;
virtual void loadAdditionalMouseResources(
std::map<int32_t, SpriteIcon>* outResources,
std::map<int32_t, PointerAnimation>* outAnimationResources, int32_t displayId) = 0;
virtual int32_t getDefaultPointerIconId() = 0;
virtual int32_t getCustomPointerIconId() = 0;
};
/*
* Contains logic and resources shared among PointerController,
* MouseCursorController, and TouchSpotController.
*/
class PointerControllerContext {
public:
PointerControllerContext(const sp<PointerControllerPolicyInterface>& policy,
const sp<Looper>& looper, const sp<SpriteController>& spriteController,
PointerController& controller);
~PointerControllerContext();
void removeInactivityTimeout();
void resetInactivityTimeout();
void startAnimation();
void setInactivityTimeout(InactivityTimeout inactivityTimeout);
void setAnimationPending(bool animationPending);
nsecs_t getAnimationTime();
void clearSpotsByDisplay(int32_t displayId);
void setHandlerController(std::shared_ptr<PointerController> controller);
void setCallbackController(std::shared_ptr<PointerController> controller);
sp<PointerControllerPolicyInterface> getPolicy();
sp<SpriteController> getSpriteController();
void initializeDisplayEventReceiver();
void handleDisplayEvents();
class MessageHandler : public virtual android::MessageHandler {
public:
enum {
MSG_INACTIVITY_TIMEOUT,
};
void handleMessage(const Message& message) override;
std::weak_ptr<PointerController> pointerController;
};
class LooperCallback : public virtual android::LooperCallback {
public:
int handleEvent(int fd, int events, void* data) override;
std::weak_ptr<PointerController> pointerController;
};
private:
sp<PointerControllerPolicyInterface> mPolicy;
sp<Looper> mLooper;
sp<SpriteController> mSpriteController;
sp<MessageHandler> mHandler;
sp<LooperCallback> mCallback;
DisplayEventReceiver mDisplayEventReceiver;
PointerController& mController;
mutable std::mutex mLock;
struct Locked {
bool animationPending;
nsecs_t animationTime;
InactivityTimeout inactivityTimeout;
} mLocked GUARDED_BY(mLock);
void resetInactivityTimeoutLocked();
};
} // namespace android
#endif // _UI_POINTER_CONTROLLER_CONTEXT_H

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@@ -0,0 +1,236 @@
/*
* Copyright (C) 2020 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 "TouchSpotController"
// Log debug messages about pointer updates
#define DEBUG_SPOT_UPDATES 0
#include "TouchSpotController.h"
#include <log/log.h>
#include <SkBitmap.h>
#include <SkBlendMode.h>
#include <SkCanvas.h>
#include <SkColor.h>
#include <SkPaint.h>
namespace {
// Time to spend fading out the spot completely.
const nsecs_t SPOT_FADE_DURATION = 200 * 1000000LL; // 200 ms
} // namespace
namespace android {
// --- Spot ---
void TouchSpotController::Spot::updateSprite(const SpriteIcon* icon, float x, float y,
int32_t displayId) {
sprite->setLayer(Sprite::BASE_LAYER_SPOT + id);
sprite->setAlpha(alpha);
sprite->setTransformationMatrix(SpriteTransformationMatrix(scale, 0.0f, 0.0f, scale));
sprite->setPosition(x, y);
sprite->setDisplayId(displayId);
this->x = x;
this->y = y;
if (icon != mLastIcon) {
mLastIcon = icon;
if (icon) {
sprite->setIcon(*icon);
sprite->setVisible(true);
} else {
sprite->setVisible(false);
}
}
}
// --- TouchSpotController ---
TouchSpotController::TouchSpotController(int32_t displayId, PointerControllerContext& context)
: mDisplayId(displayId), mContext(context) {
mContext.getPolicy()->loadPointerResources(&mResources, mDisplayId);
}
TouchSpotController::~TouchSpotController() {
std::scoped_lock lock(mLock);
size_t numSpots = mLocked.displaySpots.size();
for (size_t i = 0; i < numSpots; i++) {
delete mLocked.displaySpots[i];
}
mLocked.displaySpots.clear();
}
void TouchSpotController::setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex,
BitSet32 spotIdBits) {
#if DEBUG_SPOT_UPDATES
ALOGD("setSpots: idBits=%08x", spotIdBits.value);
for (BitSet32 idBits(spotIdBits); !idBits.isEmpty();) {
uint32_t id = idBits.firstMarkedBit();
idBits.clearBit(id);
const PointerCoords& c = spotCoords[spotIdToIndex[id]];
ALOGD(" spot %d: position=(%0.3f, %0.3f), pressure=%0.3f, displayId=%" PRId32 ".", id,
c.getAxisValue(AMOTION_EVENT_AXIS_X), c.getAxisValue(AMOTION_EVENT_AXIS_Y),
c.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE), displayId);
}
#endif
std::scoped_lock lock(mLock);
sp<SpriteController> spriteController = mContext.getSpriteController();
spriteController->openTransaction();
// Add or move spots for fingers that are down.
for (BitSet32 idBits(spotIdBits); !idBits.isEmpty();) {
uint32_t id = idBits.clearFirstMarkedBit();
const PointerCoords& c = spotCoords[spotIdToIndex[id]];
const SpriteIcon& icon = c.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE) > 0
? mResources.spotTouch
: mResources.spotHover;
float x = c.getAxisValue(AMOTION_EVENT_AXIS_X);
float y = c.getAxisValue(AMOTION_EVENT_AXIS_Y);
Spot* spot = getSpot(id, mLocked.displaySpots);
if (!spot) {
spot = createAndAddSpotLocked(id, mLocked.displaySpots);
}
spot->updateSprite(&icon, x, y, mDisplayId);
}
for (Spot* spot : mLocked.displaySpots) {
if (spot->id != Spot::INVALID_ID && !spotIdBits.hasBit(spot->id)) {
fadeOutAndReleaseSpotLocked(spot);
}
}
spriteController->closeTransaction();
}
void TouchSpotController::clearSpots() {
#if DEBUG_SPOT_UPDATES
ALOGD("clearSpots");
#endif
std::scoped_lock lock(mLock);
fadeOutAndReleaseAllSpotsLocked();
}
TouchSpotController::Spot* TouchSpotController::getSpot(uint32_t id,
const std::vector<Spot*>& spots) {
for (size_t i = 0; i < spots.size(); i++) {
Spot* spot = spots[i];
if (spot->id == id) {
return spot;
}
}
return nullptr;
}
TouchSpotController::Spot* TouchSpotController::createAndAddSpotLocked(uint32_t id,
std::vector<Spot*>& spots) {
// Remove spots until we have fewer than MAX_SPOTS remaining.
while (spots.size() >= MAX_SPOTS) {
Spot* spot = removeFirstFadingSpotLocked(spots);
if (!spot) {
spot = spots[0];
spots.erase(spots.begin());
}
releaseSpotLocked(spot);
}
// Obtain a sprite from the recycled pool.
sp<Sprite> sprite;
if (!mLocked.recycledSprites.empty()) {
sprite = mLocked.recycledSprites.back();
mLocked.recycledSprites.pop_back();
} else {
sprite = mContext.getSpriteController()->createSprite();
}
// Return the new spot.
Spot* spot = new Spot(id, sprite);
spots.push_back(spot);
return spot;
}
TouchSpotController::Spot* TouchSpotController::removeFirstFadingSpotLocked(
std::vector<Spot*>& spots) REQUIRES(mLock) {
for (size_t i = 0; i < spots.size(); i++) {
Spot* spot = spots[i];
if (spot->id == Spot::INVALID_ID) {
spots.erase(spots.begin() + i);
return spot;
}
}
return NULL;
}
void TouchSpotController::releaseSpotLocked(Spot* spot) REQUIRES(mLock) {
spot->sprite->clearIcon();
if (mLocked.recycledSprites.size() < MAX_RECYCLED_SPRITES) {
mLocked.recycledSprites.push_back(spot->sprite);
}
delete spot;
}
void TouchSpotController::fadeOutAndReleaseSpotLocked(Spot* spot) REQUIRES(mLock) {
if (spot->id != Spot::INVALID_ID) {
spot->id = Spot::INVALID_ID;
mContext.startAnimation();
}
}
void TouchSpotController::fadeOutAndReleaseAllSpotsLocked() REQUIRES(mLock) {
size_t numSpots = mLocked.displaySpots.size();
for (size_t i = 0; i < numSpots; i++) {
Spot* spot = mLocked.displaySpots[i];
fadeOutAndReleaseSpotLocked(spot);
}
}
void TouchSpotController::reloadSpotResources() {
mContext.getPolicy()->loadPointerResources(&mResources, mDisplayId);
}
bool TouchSpotController::doFadingAnimation(nsecs_t timestamp, bool keepAnimating) {
std::scoped_lock lock(mLock);
nsecs_t animationTime = mContext.getAnimationTime();
nsecs_t frameDelay = timestamp - animationTime;
size_t numSpots = mLocked.displaySpots.size();
for (size_t i = 0; i < numSpots;) {
Spot* spot = mLocked.displaySpots[i];
if (spot->id == Spot::INVALID_ID) {
spot->alpha -= float(frameDelay) / SPOT_FADE_DURATION;
if (spot->alpha <= 0) {
mLocked.displaySpots.erase(mLocked.displaySpots.begin() + i);
releaseSpotLocked(spot);
numSpots--;
continue;
} else {
spot->sprite->setAlpha(spot->alpha);
keepAnimating = true;
}
}
++i;
}
return keepAnimating;
}
} // namespace android

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@@ -0,0 +1,91 @@
/*
* Copyright (C) 2020 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 _UI_TOUCH_SPOT_CONTROLLER_H
#define _UI_TOUCH_SPOT_CONTROLLER_H
#include "PointerControllerContext.h"
namespace android {
/*
* Helper class for PointerController that specifically handles
* touch spot resources and actions for a single display.
*/
class TouchSpotController {
public:
TouchSpotController(int32_t displayId, PointerControllerContext& context);
~TouchSpotController();
void setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex,
BitSet32 spotIdBits);
void clearSpots();
void reloadSpotResources();
bool doFadingAnimation(nsecs_t timestamp, bool keepAnimating);
private:
struct Spot {
static const uint32_t INVALID_ID = 0xffffffff;
uint32_t id;
sp<Sprite> sprite;
float alpha;
float scale;
float x, y;
inline Spot(uint32_t id, const sp<Sprite>& sprite)
: id(id),
sprite(sprite),
alpha(1.0f),
scale(1.0f),
x(0.0f),
y(0.0f),
mLastIcon(nullptr) {}
void updateSprite(const SpriteIcon* icon, float x, float y, int32_t displayId);
private:
const SpriteIcon* mLastIcon;
};
int32_t mDisplayId;
mutable std::mutex mLock;
PointerResources mResources;
PointerControllerContext& mContext;
static constexpr size_t MAX_RECYCLED_SPRITES = 12;
static constexpr size_t MAX_SPOTS = 12;
struct Locked {
std::vector<Spot*> displaySpots;
std::vector<sp<Sprite>> recycledSprites;
} mLocked GUARDED_BY(mLock);
Spot* getSpot(uint32_t id, const std::vector<Spot*>& spots);
Spot* createAndAddSpotLocked(uint32_t id, std::vector<Spot*>& spots);
Spot* removeFirstFadingSpotLocked(std::vector<Spot*>& spots);
void releaseSpotLocked(Spot* spot);
void fadeOutAndReleaseSpotLocked(Spot* spot);
void fadeOutAndReleaseAllSpotsLocked();
};
} // namespace android
#endif // _UI_TOUCH_SPOT_CONTROLLER_H

View File

@@ -178,9 +178,6 @@ void PointerControllerTest::ensureDisplayViewportIsSet() {
viewport.deviceWidth = 400;
viewport.deviceHeight = 300;
mPointerController->setDisplayViewport(viewport);
// The first call to setDisplayViewport should trigger the loading of the necessary resources.
EXPECT_TRUE(mPolicy->allResourcesAreLoaded());
}
void PointerControllerTest::loopThread() {
@@ -208,6 +205,7 @@ TEST_F(PointerControllerTest, useDefaultCursorTypeByDefault) {
TEST_F(PointerControllerTest, updatePointerIcon) {
ensureDisplayViewportIsSet();
mPointerController->setPresentation(PointerController::Presentation::POINTER);
mPointerController->unfade(PointerController::Transition::IMMEDIATE);
int32_t type = CURSOR_TYPE_ADDITIONAL;
@@ -247,8 +245,6 @@ TEST_F(PointerControllerTest, setCustomPointerIcon) {
TEST_F(PointerControllerTest, doesNotGetResourcesBeforeSettingViewport) {
mPointerController->setPresentation(PointerController::Presentation::POINTER);
mPointerController->setSpots(nullptr, nullptr, BitSet32(), -1);
mPointerController->clearSpots();
mPointerController->setPosition(1.0f, 1.0f);
mPointerController->move(1.0f, 1.0f);
mPointerController->unfade(PointerController::Transition::IMMEDIATE);

View File

@@ -424,6 +424,10 @@ void NativeInputManager::setDisplayViewports(JNIEnv* env, jobjectArray viewportO
AutoMutex _l(mLock);
mLocked.viewports = viewports;
mLocked.pointerDisplayId = pointerDisplayId;
std::shared_ptr<PointerController> controller = mLocked.pointerController.lock();
if (controller != nullptr) {
controller->onDisplayViewportsUpdated(mLocked.viewports);
}
} // release lock
mInputManager->getReader()->requestRefreshConfiguration(
@@ -847,8 +851,8 @@ void NativeInputManager::updateInactivityTimeoutLocked() REQUIRES(mLock) {
}
bool lightsOut = mLocked.systemUiVisibility & ASYSTEM_UI_VISIBILITY_STATUS_BAR_HIDDEN;
controller->setInactivityTimeout(lightsOut ? PointerController::InactivityTimeout::SHORT
: PointerController::InactivityTimeout::NORMAL);
controller->setInactivityTimeout(lightsOut ? InactivityTimeout::SHORT
: InactivityTimeout::NORMAL);
}
void NativeInputManager::setPointerSpeed(int32_t speed) {