DO NOT MERGE Revert "Fix activity leak bug" (c199efbe) · Commits · e / os / android_frameworks_base

core/java/android/animation/AnimationHandler.java

+35 −40

Original line number	Diff line number	Diff line
		@@ -19,10 +19,10 @@ package android.animation;
		import android.os.SystemClock;
		import android.os.SystemProperties;
		import android.util.ArrayMap;
		import android.util.ArraySet;
		import android.util.Log;
		import android.view.Choreographer;

		import java.lang.ref.WeakReference;
		import java.util.ArrayList;

		/**
		@@ -40,7 +40,7 @@ import java.util.ArrayList;
		public class AnimationHandler {

		private static final String TAG = "AnimationHandler";
		private static final boolean LOCAL_LOGV = false;
		private static final boolean LOCAL_LOGV = true;

		/**
		* Internal per-thread collections used to avoid set collisions as animations start and end
		@@ -78,7 +78,7 @@ public class AnimationHandler {
		* store visible (foreground) requestors; if the set size reaches zero, there are no
		* objects in the foreground and it is time to pause animators.
		*/
		private final ArrayList<WeakReference<Object>> mAnimatorRequestors = new ArrayList<>();
		private final ArraySet<Object> mAnimatorRequestors = new ArraySet<>();

		private final Choreographer.FrameCallback mFrameCallback = new Choreographer.FrameCallback() {
		@Override
		@@ -141,9 +141,24 @@ public class AnimationHandler {
		* tracking obsolete+enabled requestors.
		*/
		public static void removeRequestor(Object requestor) {
		getInstance().requestAnimatorsEnabledImpl(false, requestor);
		getInstance().removeRequestorImpl(requestor);
		}

		private void removeRequestorImpl(Object requestor) {
		// Also request disablement, in case that requestor was the sole object keeping
		// animators un-paused
		long startTime = System.nanoTime();
		requestAnimatorsEnabled(false, requestor);
		Log.d(TAG, "removeRequestorImpl called requestAnimatorsEnabled after " +
		(System.nanoTime() - startTime));
		mAnimatorRequestors.remove(requestor);
		Log.d(TAG, "removeRequestorImpl removed requestor after " +
		(System.nanoTime() - startTime));
		if (LOCAL_LOGV) {
		Log.v(TAG, "removeRequestor for " + requestor);
		Log.v(TAG, "removeRequestorImpl for " + requestor);
		for (int i = 0; i < mAnimatorRequestors.size(); ++i) {
		Log.v(TAG, "animatorRequesters " + i + " = " + mAnimatorRequestors.valueAt(i));
		}
		}
		}

		@@ -161,44 +176,25 @@ public class AnimationHandler {
		}

		private void requestAnimatorsEnabledImpl(boolean enable, Object requestor) {
		long startTime = System.nanoTime();
		boolean wasEmpty = mAnimatorRequestors.isEmpty();
		setAnimatorPausingEnabled(isPauseBgAnimationsEnabledInSystemProperties());
		synchronized (mAnimatorRequestors) {
		// Only store WeakRef objects to avoid leaks
		Log.d(TAG, "requestAnimatorsEnabledImpl called setAnimatorPausingEnabled after " +
		(System.nanoTime() - startTime));
		if (enable) {
		// First, check whether such a reference is already on the list
		WeakReference<Object> weakRef = null;
		for (int i = mAnimatorRequestors.size() - 1; i >= 0; --i) {
		WeakReference<Object> ref = mAnimatorRequestors.get(i);
		Object referent = ref.get();
		if (referent == requestor) {
		weakRef = ref;
		} else if (referent == null) {
		// Remove any reference that has been cleared
		mAnimatorRequestors.remove(i);
		}
		}
		if (weakRef == null) {
		weakRef = new WeakReference<>(requestor);
		mAnimatorRequestors.add(weakRef);
		}
		mAnimatorRequestors.add(requestor);
		} else {
		for (int i = mAnimatorRequestors.size() - 1; i >= 0; --i) {
		WeakReference<Object> ref = mAnimatorRequestors.get(i);
		Object referent = ref.get();
		if (referent == requestor \|\| referent == null) {
		// remove requested item or item that has been cleared
		mAnimatorRequestors.remove(i);
		}
		}
		// If a reference to the requestor wasn't in the list, nothing to remove
		}
		mAnimatorRequestors.remove(requestor);
		}
		Log.d(TAG, "requestAnimatorsEnabledImpl added/removed after " +
		(System.nanoTime() - startTime));
		if (!sAnimatorPausingEnabled) {
		// Resume any animators that have been paused in the meantime, otherwise noop
		// Leave logic above so that if pausing gets re-enabled, the state of the requestors
		// list is valid
		resumeAnimators();
		Log.d(TAG, "requestAnimatorsEnabledImpl resumed, returning after " +
		(System.nanoTime() - startTime));
		return;
		}
		boolean isEmpty = mAnimatorRequestors.isEmpty();
		@@ -213,13 +209,12 @@ public class AnimationHandler {
		Animator.getBackgroundPauseDelay());
		}
		}
		Log.d(TAG, "requestAnimatorsEnabledImpl post was/is check after " +
		(System.nanoTime() - startTime));
		if (LOCAL_LOGV) {
		Log.v(TAG, (enable ? "enable" : "disable") + " animators for " + requestor
		+ " with pauseDelay of " + Animator.getBackgroundPauseDelay());
		Log.v(TAG, enable ? "enable" : "disable" + " animators for " + requestor);
		for (int i = 0; i < mAnimatorRequestors.size(); ++i) {
		Log.v(TAG, "animatorRequestors " + i + " = "
		+ mAnimatorRequestors.get(i) + " with referent "
		+ mAnimatorRequestors.get(i).get());
		Log.v(TAG, "animatorRequesters " + i + " = " + mAnimatorRequestors.valueAt(i));
		}
		}
		}

core/java/android/view/ViewRootImpl.java

+2 −11

Original line number	Diff line number	Diff line
		@@ -1409,11 +1409,7 @@ public final class ViewRootImpl implements ViewParent,
		mFirstPostImeInputStage = earlyPostImeStage;
		mPendingInputEventQueueLengthCounterName = "aq:pending:" + counterSuffix;

		if (!mRemoved \|\| !mAppVisible) {
		AnimationHandler.requestAnimatorsEnabled(mAppVisible, this);
		} else if (LOCAL_LOGV) {
		Log.v(mTag, "setView() enabling visibility when removed");
		}
		}
		}
		}
		@@ -1751,12 +1747,7 @@ public final class ViewRootImpl implements ViewParent,
		if (!mAppVisible) {
		WindowManagerGlobal.trimForeground();
		}
		// Only enable if the window is not already removed (via earlier call to doDie())
		if (!mRemoved \|\| !mAppVisible) {
		AnimationHandler.requestAnimatorsEnabled(mAppVisible, this);
		} else if (LOCAL_LOGV) {
		Log.v(mTag, "handleAppVisibility() enabling visibility when removed");
		}
		}
		}