Merge "Switch to callback animation" (51060f3f) · Commits · e / os / android_frameworks_base

libs/input/MouseCursorController.cpp

+40 −11

Original line number	Diff line number	Diff line
		@@ -168,7 +168,7 @@ void MouseCursorController::fade(PointerControllerInterface::Transition transiti
		updatePointerLocked();
		} else {
		mLocked.pointerFadeDirection = -1;
		mContext.startAnimation();
		startAnimationLocked();
		}
		}

		@@ -185,7 +185,7 @@ void MouseCursorController::unfade(PointerControllerInterface::Transition transi
		updatePointerLocked();
		} else {
		mLocked.pointerFadeDirection = 1;
		mContext.startAnimation();
		startAnimationLocked();
		}
		}

		@@ -312,10 +312,9 @@ void MouseCursorController::setCustomPointerIcon(const SpriteIcon& icon) {
		updatePointerLocked();
		}

		bool MouseCursorController::doFadingAnimation(nsecs_t timestamp, bool keepAnimating) {
		bool MouseCursorController::doFadingAnimationLocked(nsecs_t timestamp) REQUIRES(mLock) {
		nsecs_t frameDelay = timestamp - mContext.getAnimationTime();

		std::scoped_lock lock(mLock);
		bool keepAnimating = false;

		// Animate pointer fade.
		if (mLocked.pointerFadeDirection < 0) {
		@@ -337,13 +336,10 @@ bool MouseCursorController::doFadingAnimation(nsecs_t timestamp, bool keepAnimat
		}
		updatePointerLocked();
		}

		return keepAnimating;
		}

		bool MouseCursorController::doBitmapAnimation(nsecs_t timestamp) {
		std::scoped_lock lock(mLock);

		bool MouseCursorController::doBitmapAnimationLocked(nsecs_t timestamp) REQUIRES(mLock) {
		std::map<int32_t, PointerAnimation>::const_iterator iter =
		mLocked.animationResources.find(mLocked.requestedPointerType);
		if (iter == mLocked.animationResources.end()) {
		@@ -364,7 +360,6 @@ bool MouseCursorController::doBitmapAnimation(nsecs_t timestamp) {

		spriteController->closeTransaction();
		}

		// Keep animating.
		return true;
		}
		@@ -399,7 +394,7 @@ void MouseCursorController::updatePointerLocked() REQUIRES(mLock) {
		if (anim_iter != mLocked.animationResources.end()) {
		mLocked.animationFrameIndex = 0;
		mLocked.lastFrameUpdatedTime = systemTime(SYSTEM_TIME_MONOTONIC);
		mContext.startAnimation();
		startAnimationLocked();
		}
		mLocked.pointerSprite->setIcon(iter->second);
		} else {
		@@ -457,4 +452,38 @@ bool MouseCursorController::resourcesLoaded() {
		return mLocked.resourcesLoaded;
		}

		bool MouseCursorController::doAnimations(nsecs_t timestamp) {
		std::scoped_lock lock(mLock);
		bool keepFading = doFadingAnimationLocked(timestamp);
		bool keepBitmap = doBitmapAnimationLocked(timestamp);
		bool keepAnimating = keepFading \|\| keepBitmap;
		if (!keepAnimating) {
		/*
		* We know that this callback will be removed before another
		* is added. mLock in PointerAnimator will not be released
		* until after this is removed, and adding another callback
		* requires that lock. Thus it's safe to set mLocked.animating
		* here.
		*/
		mLocked.animating = false;
		}
		return keepAnimating;
		}

		void MouseCursorController::startAnimationLocked() REQUIRES(mLock) {
		using namespace std::placeholders;

		if (mLocked.animating) {
		return;
		}
		mLocked.animating = true;

		std::function<bool(nsecs_t)> func = std::bind(&MouseCursorController::doAnimations, this, _1);
		/*
		* Using -1 for displayId here to avoid removing the callback
		* if a TouchSpotController with the same display is removed.
		*/
		mContext.addAnimationCallback(-1, func);
		}

		} // namespace android

libs/input/MouseCursorController.h

+9 −2

Original line number	Diff line number	Diff line
		@@ -25,6 +25,7 @@
		#include <utils/Looper.h>
		#include <utils/RefBase.h>

		#include <functional>
		#include <map>
		#include <memory>
		#include <vector>
		@@ -61,8 +62,7 @@ public:
		void getAdditionalMouseResources();
		bool isViewportValid();

		bool doBitmapAnimation(nsecs_t timestamp);
		bool doFadingAnimation(nsecs_t timestamp, bool keepAnimating);
		bool doAnimations(nsecs_t timestamp);

		bool resourcesLoaded();

		@@ -96,6 +96,8 @@ private:

		int32_t buttonState;

		bool animating{false};

		} mLocked GUARDED_BY(mLock);

		bool getBoundsLocked(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const;
		@@ -104,6 +106,11 @@ private:
		void updatePointerLocked();

		void loadResourcesLocked(bool getAdditionalMouseResources);

		bool doBitmapAnimationLocked(nsecs_t timestamp);
		bool doFadingAnimationLocked(nsecs_t timestamp);

		void startAnimationLocked();
		};

		} // namespace android

libs/input/PointerController.cpp

+5 −19

Original line number	Diff line number	Diff line
		@@ -57,7 +57,6 @@ std::shared_ptr<PointerController> PointerController::create(

		controller->mContext.setHandlerController(controller);
		controller->mContext.setCallbackController(controller);
		controller->mContext.initializeDisplayEventReceiver();
		return controller;
		}

		@@ -189,24 +188,6 @@ void PointerController::setCustomPointerIcon(const SpriteIcon& icon) {
		mCursorController.setCustomPointerIcon(icon);
		}

		void PointerController::doAnimate(nsecs_t timestamp) {
		std::scoped_lock lock(mLock);

		mContext.setAnimationPending(false);

		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) {
		mContext.startAnimation();
		}
		}

		void PointerController::doInactivityTimeout() {
		fade(Transition::GRADUAL);
		}
		@@ -221,6 +202,11 @@ void PointerController::onDisplayViewportsUpdated(std::vector<DisplayViewport>&
		for (auto it = mLocked.spotControllers.begin(); it != mLocked.spotControllers.end();) {
		int32_t displayID = it->first;
		if (!displayIdSet.count(displayID)) {
		/*
		* Ensures that an in-progress animation won't dereference
		* a null pointer to TouchSpotController.
		*/
		mContext.removeAnimationCallback(displayID);
		it = mLocked.spotControllers.erase(it);
		} else {
		++it;

libs/input/PointerController.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -70,7 +70,6 @@ public:
		void setCustomPointerIcon(const SpriteIcon& icon);
		void setInactivityTimeout(InactivityTimeout inactivityTimeout);
		void doInactivityTimeout();
		void doAnimate(nsecs_t timestamp);
		void reloadPointerResources();
		void onDisplayViewportsUpdated(std::vector<DisplayViewport>& viewports);

libs/input/PointerControllerContext.cpp

+92 −43

Original line number	Diff line number	Diff line
		@@ -38,10 +38,10 @@ PointerControllerContext::PointerControllerContext(
		mSpriteController(spriteController),
		mHandler(new MessageHandler()),
		mCallback(new LooperCallback()),
		mController(controller) {
		mController(controller),
		mAnimator(*this) {
		std::scoped_lock lock(mLock);
		mLocked.inactivityTimeout = InactivityTimeout::NORMAL;
		mLocked.animationPending = false;
		}

		PointerControllerContext::~PointerControllerContext() {
		@@ -57,15 +57,6 @@ void PointerControllerContext::setInactivityTimeout(InactivityTimeout inactivity
		}
		}

		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();
		@@ -85,14 +76,8 @@ void PointerControllerContext::removeInactivityTimeout() {
		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;
		nsecs_t PointerControllerContext::getAnimationTime() REQUIRES(mAnimator.mLock) {
		return mAnimator.getAnimationTimeLocked();
		}

		void PointerControllerContext::setHandlerController(std::shared_ptr<PointerController> controller) {
		@@ -112,31 +97,8 @@ 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);
		}
		mAnimator.handleVsyncEvents();
		}

		void PointerControllerContext::MessageHandler::handleMessage(const Message& message) {
		@@ -176,4 +138,91 @@ int PointerControllerContext::LooperCallback::handleEvent(int /* fd */, int even
		return 1; // keep the callback
		}

		void PointerControllerContext::addAnimationCallback(int32_t displayId,
		std::function<bool(nsecs_t)> callback) {
		mAnimator.addCallback(displayId, callback);
		}

		void PointerControllerContext::removeAnimationCallback(int32_t displayId) {
		mAnimator.removeCallback(displayId);
		}

		PointerControllerContext::PointerAnimator::PointerAnimator(PointerControllerContext& context)
		: mContext(context) {
		initializeDisplayEventReceiver();
		}

		void PointerControllerContext::PointerAnimator::initializeDisplayEventReceiver() {
		if (mDisplayEventReceiver.initCheck() == NO_ERROR) {
		mContext.mLooper->addFd(mDisplayEventReceiver.getFd(), Looper::POLL_CALLBACK,
		Looper::EVENT_INPUT, mContext.mCallback, nullptr);
		} else {
		ALOGE("Failed to initialize DisplayEventReceiver.");
		}
		}

		void PointerControllerContext::PointerAnimator::addCallback(int32_t displayId,
		std::function<bool(nsecs_t)> callback) {
		std::scoped_lock lock(mLock);
		mLocked.callbacks[displayId] = callback;
		startAnimationLocked();
		}

		void PointerControllerContext::PointerAnimator::removeCallback(int32_t displayId) {
		std::scoped_lock lock(mLock);
		auto it = mLocked.callbacks.find(displayId);
		if (it == mLocked.callbacks.end()) {
		return;
		}
		mLocked.callbacks.erase(it);
		}

		void PointerControllerContext::PointerAnimator::handleVsyncEvents() {
		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) {
		std::scoped_lock lock(mLock);
		mLocked.animationPending = false;
		handleCallbacksLocked(timestamp);
		}
		}

		nsecs_t PointerControllerContext::PointerAnimator::getAnimationTimeLocked() REQUIRES(mLock) {
		return mLocked.animationTime;
		}

		void PointerControllerContext::PointerAnimator::startAnimationLocked() REQUIRES(mLock) {
		if (!mLocked.animationPending) {
		mLocked.animationPending = true;
		mLocked.animationTime = systemTime(SYSTEM_TIME_MONOTONIC);
		mDisplayEventReceiver.requestNextVsync();
		}
		}

		void PointerControllerContext::PointerAnimator::handleCallbacksLocked(nsecs_t timestamp)
		REQUIRES(mLock) {
		for (auto it = mLocked.callbacks.begin(); it != mLocked.callbacks.end();) {
		bool keepCallback = it->second(timestamp);
		if (!keepCallback) {
		it = mLocked.callbacks.erase(it);
		} else {
		++it;
		}
		}

		if (!mLocked.callbacks.empty()) {
		startAnimationLocked();
		}
		}

		} // namespace android