Merge "Split out whether frame callback and tick is scheduled" into oc-dev (756efea1) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/WindowAnimator.java

+24 −7

Original line number	Diff line number	Diff line
		@@ -87,8 +87,18 @@ public class WindowAnimator {
		private final SurfaceFlingerVsyncChoreographer mSfChoreographer;

		private Choreographer mChoreographer;
		private boolean mAnimationScheduled;

		/**
		* Indicates whether we have an animation frame callback scheduled, which will happen at
		* vsync-app and then schedule the animation tick at the right time (vsync-sf).
		*/
		private boolean mAnimationFrameCallbackScheduled;

		/**
		* Indicates whether we have an animation tick scheduled. The tick is the thing that actually
		* executes the animation step, which will happen at vsync-sf.
		*/
		private boolean mAnimationTickScheduled;

		WindowAnimator(final WindowManagerService service) {
		mService = service;
		@@ -104,13 +114,20 @@ public class WindowAnimator {
		mService.getDefaultDisplayContentLocked().getDisplay(), mChoreographer);
		mAnimationTick = () -> {
		synchronized (mService.mWindowMap) {
		mAnimationScheduled = false;
		mAnimationTickScheduled = false;
		animateLocked(mCurrentFrameTime);
		}
		};
		mAnimationFrameCallback = frameTimeNs -> {
		synchronized (mService.mWindowMap) {
		mCurrentFrameTime = frameTimeNs;
		mAnimationFrameCallbackScheduled = false;
		if (mAnimationTickScheduled) {
		return;
		}
		mAnimationTickScheduled = true;
		mSfChoreographer.scheduleAtSfVsync(mAnimationTick);
		}
		};
		}

		@@ -371,8 +388,8 @@ public class WindowAnimator {
		}

		void scheduleAnimation() {
		if (!mAnimationScheduled) {
		mAnimationScheduled = true;
		if (!mAnimationFrameCallbackScheduled) {
		mAnimationFrameCallbackScheduled = true;
		mChoreographer.postFrameCallback(mAnimationFrameCallback);
		}
		}
		@@ -386,7 +403,7 @@ public class WindowAnimator {
		}

		boolean isAnimationScheduled() {
		return mAnimationScheduled;
		return mAnimationFrameCallbackScheduled \|\| mAnimationTickScheduled;
		}

		Choreographer getChoreographer() {