Merge "Revert "DO NOT MERGE Revert "Fix activity leak bug""" into tm-qpr-dev

This commit is contained in:
Chet Haase
2022-12-14 23:50:42 +00:00
committed by Android (Google) Code Review
2 changed files with 51 additions and 37 deletions

View File

@@ -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 = true;
private static final boolean LOCAL_LOGV = false;
/**
* 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 ArraySet<Object> mAnimatorRequestors = new ArraySet<>();
private final ArrayList<WeakReference<Object>> mAnimatorRequestors = new ArrayList<>();
private final Choreographer.FrameCallback mFrameCallback = new Choreographer.FrameCallback() {
@Override
@@ -141,24 +141,9 @@ public class AnimationHandler {
* tracking obsolete+enabled requestors.
*/
public static void removeRequestor(Object 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));
getInstance().requestAnimatorsEnabledImpl(false, requestor);
if (LOCAL_LOGV) {
Log.v(TAG, "removeRequestorImpl for " + requestor);
for (int i = 0; i < mAnimatorRequestors.size(); ++i) {
Log.v(TAG, "animatorRequesters " + i + " = " + mAnimatorRequestors.valueAt(i));
}
Log.v(TAG, "removeRequestor for " + requestor);
}
}
@@ -176,25 +161,44 @@ public class AnimationHandler {
}
private void requestAnimatorsEnabledImpl(boolean enable, Object requestor) {
long startTime = System.nanoTime();
boolean wasEmpty = mAnimatorRequestors.isEmpty();
setAnimatorPausingEnabled(isPauseBgAnimationsEnabledInSystemProperties());
Log.d(TAG, "requestAnimatorsEnabledImpl called setAnimatorPausingEnabled after " +
(System.nanoTime() - startTime));
if (enable) {
mAnimatorRequestors.add(requestor);
} else {
mAnimatorRequestors.remove(requestor);
synchronized (mAnimatorRequestors) {
// Only store WeakRef objects to avoid leaks
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);
}
} 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
}
}
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();
@@ -209,12 +213,13 @@ 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);
Log.v(TAG, (enable ? "enable" : "disable") + " animators for " + requestor
+ " with pauseDelay of " + Animator.getBackgroundPauseDelay());
for (int i = 0; i < mAnimatorRequestors.size(); ++i) {
Log.v(TAG, "animatorRequesters " + i + " = " + mAnimatorRequestors.valueAt(i));
Log.v(TAG, "animatorRequestors " + i + " = "
+ mAnimatorRequestors.get(i) + " with referent "
+ mAnimatorRequestors.get(i).get());
}
}
}

View File

@@ -1417,7 +1417,11 @@ public final class ViewRootImpl implements ViewParent,
mFirstPostImeInputStage = earlyPostImeStage;
mPendingInputEventQueueLengthCounterName = "aq:pending:" + counterSuffix;
AnimationHandler.requestAnimatorsEnabled(mAppVisible, this);
if (!mRemoved || !mAppVisible) {
AnimationHandler.requestAnimatorsEnabled(mAppVisible, this);
} else if (LOCAL_LOGV) {
Log.v(mTag, "setView() enabling visibility when removed");
}
}
}
}
@@ -1755,7 +1759,12 @@ public final class ViewRootImpl implements ViewParent,
if (!mAppVisible) {
WindowManagerGlobal.trimForeground();
}
AnimationHandler.requestAnimatorsEnabled(mAppVisible, this);
// 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");
}
}
}