Improve AnimatorSet seekability. (936e3551) · Commits · e / os / android_frameworks_base

core/java/android/animation/Animator.java

+30 −2

Original line number	Diff line number	Diff line
		@@ -23,6 +23,7 @@ import android.compat.annotation.UnsupportedAppUsage;
		import android.content.pm.ActivityInfo.Config;
		import android.content.res.ConstantState;
		import android.os.Build;
		import android.util.LongArray;

		import java.util.ArrayList;

		@@ -559,9 +560,36 @@ public abstract class Animator implements Cloneable {
		}

		/**
		* Internal use only.
		* Internal use only. Changes the value of the animator as if currentPlayTime has passed since
		* the start of the animation. Therefore, currentPlayTime includes the start delay, and any
		* repetition. lastPlayTime is similar and is used to calculate how many repeats have been
		* done between the two times.
		*/
		void animateValuesInRange(long currentPlayTime, long lastPlayTime) {}

		/**
		* Internal use only. This animates any animation that has ended since lastPlayTime.
		* If an animation hasn't been finished, no change will be made.
		*/
		void animateBasedOnPlayTime(long currentPlayTime, long lastPlayTime, boolean inReverse) {}
		void animateSkipToEnds(long currentPlayTime, long lastPlayTime) {}

		/**
		* Internal use only. Adds all start times (after delay) to and end times to times.
		* The value must include offset.
		*/
		void getStartAndEndTimes(LongArray times, long offset) {
		long startTime = offset + getStartDelay();
		if (times.indexOf(startTime) < 0) {
		times.add(startTime);
		}
		long duration = getTotalDuration();
		if (duration != DURATION_INFINITE) {
		long endTime = duration + offset;
		if (times.indexOf(endTime) < 0) {
		times.add(endTime);
		}
		}
		}

		/**
		* <p>An animation listener receives notifications from an animation.

core/java/android/animation/AnimatorSet.java

+195 −90

Original line number	Diff line number	Diff line
		@@ -23,9 +23,11 @@ import android.os.Looper;
		import android.util.AndroidRuntimeException;
		import android.util.ArrayMap;
		import android.util.Log;
		import android.util.LongArray;
		import android.view.animation.Animation;

		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.Collection;
		import java.util.Comparator;
		import java.util.HashMap;
		@@ -181,6 +183,11 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		*/
		private long mPauseTime = -1;

		/**
		* The start and stop times of all descendant animators.
		*/
		private long[] mChildStartAndStopTimes;

		// This is to work around a bug in b/34736819. This needs to be removed once app team
		// fixes their side.
		private AnimatorListenerAdapter mAnimationEndListener = new AnimatorListenerAdapter() {
		@@ -779,26 +786,25 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim

		@Override
		void skipToEndValue(boolean inReverse) {
		if (!isInitialized()) {
		throw new UnsupportedOperationException("Children must be initialized.");
		}

		// This makes sure the animation events are sorted an up to date.
		initAnimation();
		initChildren();

		// Calling skip to the end in the sequence that they would be called in a forward/reverse
		// run, such that the sequential animations modifying the same property would have
		// the right value in the end.
		if (inReverse) {
		for (int i = mEvents.size() - 1; i >= 0; i--) {
		if (mEvents.get(i).mEvent == AnimationEvent.ANIMATION_DELAY_ENDED) {
		mEvents.get(i).mNode.mAnimation.skipToEndValue(true);
		AnimationEvent event = mEvents.get(i);
		if (event.mEvent == AnimationEvent.ANIMATION_DELAY_ENDED) {
		event.mNode.mAnimation.skipToEndValue(true);
		}
		}
		} else {
		for (int i = 0; i < mEvents.size(); i++) {
		if (mEvents.get(i).mEvent == AnimationEvent.ANIMATION_END) {
		mEvents.get(i).mNode.mAnimation.skipToEndValue(false);
		AnimationEvent event = mEvents.get(i);
		if (event.mEvent == AnimationEvent.ANIMATION_END) {
		event.mNode.mAnimation.skipToEndValue(false);
		}
		}
		}
		@@ -814,72 +820,181 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		* {@link android.view.animation.Animation.AnimationListener#onAnimationRepeat(Animation)},
		* as needed, based on the last play time and current play time.
		*/
		@Override
		void animateBasedOnPlayTime(long currentPlayTime, long lastPlayTime, boolean inReverse) {
		if (currentPlayTime < 0 \|\| lastPlayTime < 0) {
		private void animateBasedOnPlayTime(
		long currentPlayTime,
		long lastPlayTime,
		boolean inReverse
		) {
		if (currentPlayTime < 0 \|\| lastPlayTime < -1) {
		throw new UnsupportedOperationException("Error: Play time should never be negative.");
		}
		// TODO: take into account repeat counts and repeat callback when repeat is implemented.
		// Clamp currentPlayTime and lastPlayTime

		// TODO: Make this more efficient

		// Convert the play times to the forward direction.
		if (inReverse) {
		if (getTotalDuration() == DURATION_INFINITE) {
		throw new UnsupportedOperationException("Cannot reverse AnimatorSet with infinite"
		+ " duration");
		long duration = getTotalDuration();
		if (duration == DURATION_INFINITE) {
		throw new UnsupportedOperationException(
		"Cannot reverse AnimatorSet with infinite duration"
		);
		}
		long duration = getTotalDuration() - mStartDelay;
		// Convert the play times to the forward direction.
		currentPlayTime = Math.min(currentPlayTime, duration);
		currentPlayTime = duration - currentPlayTime;
		lastPlayTime = duration - lastPlayTime;
		inReverse = false;
		}

		ArrayList<Node> unfinishedNodes = new ArrayList<>();
		// Assumes forward playing from here on.
		for (int i = 0; i < mEvents.size(); i++) {
		long[] startEndTimes = ensureChildStartAndEndTimes();
		int index = findNextIndex(lastPlayTime, startEndTimes);
		int endIndex = findNextIndex(currentPlayTime, startEndTimes);

		// Change values at the start/end times so that values are set in the right order.
		// We don't want an animator that would finish before another to override the value
		// set by another animator that finishes earlier.
		if (currentPlayTime >= lastPlayTime) {
		while (index < endIndex) {
		long playTime = startEndTimes[index];
		if (lastPlayTime != playTime) {
		animateSkipToEnds(playTime, lastPlayTime);
		animateValuesInRange(playTime, lastPlayTime);
		lastPlayTime = playTime;
		}
		index++;
		}
		} else {
		while (index > endIndex) {
		index--;
		long playTime = startEndTimes[index];
		if (lastPlayTime != playTime) {
		animateSkipToEnds(playTime, lastPlayTime);
		animateValuesInRange(playTime, lastPlayTime);
		lastPlayTime = playTime;
		}
		}
		}
		if (currentPlayTime != lastPlayTime) {
		animateSkipToEnds(currentPlayTime, lastPlayTime);
		animateValuesInRange(currentPlayTime, lastPlayTime);
		}
		}

		/**
		* Looks through startEndTimes for playTime. If it is in startEndTimes, the index after
		* is returned. Otherwise, it returns the index at which it would be placed if it were
		* to be inserted.
		*/
		private int findNextIndex(long playTime, long[] startEndTimes) {
		int index = Arrays.binarySearch(startEndTimes, playTime);
		if (index < 0) {
		index = -index - 1;
		} else {
		index++;
		}
		return index;
		}

		@Override
		void animateSkipToEnds(long currentPlayTime, long lastPlayTime) {
		initAnimation();

		if (lastPlayTime > currentPlayTime) {
		for (int i = mEvents.size() - 1; i >= 0; i--) {
		AnimationEvent event = mEvents.get(i);
		if (event.getTime() > currentPlayTime \|\| event.getTime() == DURATION_INFINITE) {
		break;
		Node node = event.mNode;
		if (event.mEvent == AnimationEvent.ANIMATION_END
		&& node.mStartTime != DURATION_INFINITE
		) {
		Animator animator = node.mAnimation;
		long start = node.mStartTime + animator.getStartDelay();
		long end = node.mTotalDuration == DURATION_INFINITE
		? Long.MAX_VALUE : node.mEndTime;
		if (currentPlayTime <= start && start < lastPlayTime) {
		animator.animateSkipToEnds(
		start - node.mStartTime,
		lastPlayTime - node.mStartTime
		);
		} else if (start <= currentPlayTime && currentPlayTime <= end) {
		animator.animateSkipToEnds(
		currentPlayTime - node.mStartTime,
		lastPlayTime - node.mStartTime
		);
		}
		}
		}
		} else {
		int eventsSize = mEvents.size();
		for (int i = 0; i < eventsSize; i++) {
		AnimationEvent event = mEvents.get(i);
		Node node = event.mNode;
		if (event.mEvent == AnimationEvent.ANIMATION_DELAY_ENDED
		&& node.mStartTime != DURATION_INFINITE
		) {
		Animator animator = node.mAnimation;
		long start = node.mStartTime + animator.getStartDelay();
		long end = node.mTotalDuration == DURATION_INFINITE
		? Long.MAX_VALUE : node.mEndTime;
		if (lastPlayTime < end && end <= currentPlayTime) {
		animator.animateSkipToEnds(
		end - node.mStartTime,
		lastPlayTime - node.mStartTime
		);
		} else if (start <= currentPlayTime && currentPlayTime <= end) {
		animator.animateSkipToEnds(
		currentPlayTime - node.mStartTime,
		lastPlayTime - node.mStartTime
		);
		}
		}
		}
		}
		}

		// This animation started prior to the current play time, and won't finish before the
		// play time, add to the unfinished list.
		if (event.mEvent == AnimationEvent.ANIMATION_DELAY_ENDED) {
		if (event.mNode.mEndTime == DURATION_INFINITE
		\|\| event.mNode.mEndTime > currentPlayTime) {
		unfinishedNodes.add(event.mNode);
		@Override
		void animateValuesInRange(long currentPlayTime, long lastPlayTime) {
		initAnimation();

		int eventsSize = mEvents.size();
		for (int i = 0; i < eventsSize; i++) {
		AnimationEvent event = mEvents.get(i);
		Node node = event.mNode;
		if (event.mEvent == AnimationEvent.ANIMATION_DELAY_ENDED
		&& node.mStartTime != DURATION_INFINITE
		) {
		Animator animator = node.mAnimation;
		long start = node.mStartTime + animator.getStartDelay();
		long end = node.mTotalDuration == DURATION_INFINITE
		? Long.MAX_VALUE : node.mEndTime;
		if (start < currentPlayTime && currentPlayTime < end) {
		animator.animateValuesInRange(
		currentPlayTime - node.mStartTime,
		Math.max(-1, lastPlayTime - node.mStartTime)
		);
		}
		}
		// For animations that do finish before the play time, end them in the sequence that
		// they would in a normal run.
		if (event.mEvent == AnimationEvent.ANIMATION_END) {
		// Skip to the end of the animation.
		event.mNode.mAnimation.skipToEndValue(false);
		}
		}

		// Seek unfinished animation to the right time.
		for (int i = 0; i < unfinishedNodes.size(); i++) {
		Node node = unfinishedNodes.get(i);
		long playTime = getPlayTimeForNode(currentPlayTime, node, inReverse);
		if (!inReverse) {
		playTime -= node.mAnimation.getStartDelay();
		private long[] ensureChildStartAndEndTimes() {
		if (mChildStartAndStopTimes == null) {
		LongArray startAndEndTimes = new LongArray();
		getStartAndEndTimes(startAndEndTimes, 0);
		long[] times = startAndEndTimes.toArray();
		Arrays.sort(times);
		mChildStartAndStopTimes = times;
		}
		node.mAnimation.animateBasedOnPlayTime(playTime, lastPlayTime, inReverse);
		return mChildStartAndStopTimes;
		}

		// Seek not yet started animations.
		for (int i = 0; i < mEvents.size(); i++) {
		@Override
		void getStartAndEndTimes(LongArray times, long offset) {
		int eventsSize = mEvents.size();
		for (int i = 0; i < eventsSize; i++) {
		AnimationEvent event = mEvents.get(i);
		if (event.getTime() > currentPlayTime
		&& event.mEvent == AnimationEvent.ANIMATION_DELAY_ENDED) {
		event.mNode.mAnimation.skipToEndValue(true);
		if (event.mEvent == AnimationEvent.ANIMATION_DELAY_ENDED
		&& event.mNode.mStartTime != DURATION_INFINITE
		) {
		event.mNode.mAnimation.getStartAndEndTimes(times, offset + event.mNode.mStartTime);
		}
		}

		}

		@Override
		@@ -899,10 +1014,6 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		return mChildrenInitialized;
		}

		private void skipToStartValue(boolean inReverse) {
		skipToEndValue(!inReverse);
		}

		/**
		* Sets the position of the animation to the specified point in time. This time should
		* be between 0 and the total duration of the animation, including any repetition. If
		@@ -932,17 +1043,19 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		initAnimation();

		if (!isStarted() \|\| isPaused()) {
		if (mReversing) {
		if (mReversing && !isStarted()) {
		throw new UnsupportedOperationException("Error: Something went wrong. mReversing"
		+ " should not be set when AnimatorSet is not started.");
		}
		long lastPlayTime = mSeekState.getPlayTime();
		if (!mSeekState.isActive()) {
		findLatestEventIdForTime(0);
		// Set all the values to start values.
		initChildren();
		// Set all the values to start values.
		skipToEndValue(!mReversing);
		mSeekState.setPlayTime(0, mReversing);
		}
		animateBasedOnPlayTime(playTime, 0, mReversing);
		animateBasedOnPlayTime(playTime, lastPlayTime, mReversing);
		mSeekState.setPlayTime(playTime, mReversing);
		} else {
		// If the animation is running, just set the seek time and wait until the next frame
		@@ -981,10 +1094,16 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		private void initChildren() {
		if (!isInitialized()) {
		mChildrenInitialized = true;
		// Forcefully initialize all children based on their end time, so that if the start
		// value of a child is dependent on a previous animation, the animation will be
		// initialized after the the previous animations have been advanced to the end.
		skipToEndValue(false);

		// We have to initialize all the start values so that they are based on the previous
		// values.
		long[] times = ensureChildStartAndEndTimes();

		long previousTime = -1;
		for (long time : times) {
		animateBasedOnPlayTime(time, previousTime, false);
		previousTime = time;
		}
		}
		}

		@@ -1058,7 +1177,7 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		for (int i = 0; i < mPlayingSet.size(); i++) {
		Node node = mPlayingSet.get(i);
		if (!node.mEnded) {
		pulseFrame(node, getPlayTimeForNode(unscaledPlayTime, node));
		pulseFrame(node, getPlayTimeForNodeIncludingDelay(unscaledPlayTime, node));
		}
		}

		@@ -1129,7 +1248,7 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		pulseFrame(node, 0);
		} else if (event.mEvent == AnimationEvent.ANIMATION_DELAY_ENDED && !node.mEnded) {
		// end event:
		pulseFrame(node, getPlayTimeForNode(playTime, node));
		pulseFrame(node, getPlayTimeForNodeIncludingDelay(playTime, node));
		}
		}
		} else {
		@@ -1150,7 +1269,7 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		pulseFrame(node, 0);
		} else if (event.mEvent == AnimationEvent.ANIMATION_END && !node.mEnded) {
		// start event:
		pulseFrame(node, getPlayTimeForNode(playTime, node));
		pulseFrame(node, getPlayTimeForNodeIncludingDelay(playTime, node));
		}
		}
		}
		@@ -1172,11 +1291,15 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		}
		}

		private long getPlayTimeForNode(long overallPlayTime, Node node) {
		return getPlayTimeForNode(overallPlayTime, node, mReversing);
		private long getPlayTimeForNodeIncludingDelay(long overallPlayTime, Node node) {
		return getPlayTimeForNodeIncludingDelay(overallPlayTime, node, mReversing);
		}

		private long getPlayTimeForNode(long overallPlayTime, Node node, boolean inReverse) {
		private long getPlayTimeForNodeIncludingDelay(
		long overallPlayTime,
		Node node,
		boolean inReverse
		) {
		if (inReverse) {
		overallPlayTime = getTotalDuration() - overallPlayTime;
		return node.mEndTime - overallPlayTime;
		@@ -1198,26 +1321,8 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		}
		// Set the child animators to the right end:
		if (mShouldResetValuesAtStart) {
		if (isInitialized()) {
		skipToEndValue(!mReversing);
		} else if (mReversing) {
		// Reversing but haven't initialized all the children yet.
		initChildren();
		skipToEndValue(!mReversing);
		} else {
		// If not all children are initialized and play direction is forward
		for (int i = mEvents.size() - 1; i >= 0; i--) {
		if (mEvents.get(i).mEvent == AnimationEvent.ANIMATION_DELAY_ENDED) {
		Animator anim = mEvents.get(i).mNode.mAnimation;
		// Only reset the animations that have been initialized to start value,
		// so that if they are defined without a start value, they will get the
		// values set at the right time (i.e. the next animation run)
		if (anim.isInitialized()) {
		anim.skipToEndValue(true);
		}
		}
		}
		}
		}

		if (mReversing \|\| mStartDelay == 0 \|\| mSeekState.isActive()) {
		@@ -1922,11 +2027,11 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		}

		void setPlayTime(long playTime, boolean inReverse) {
		// TODO: This can be simplified.

		// Clamp the play time
		if (getTotalDuration() != DURATION_INFINITE) {
		mPlayTime = Math.min(playTime, getTotalDuration() - mStartDelay);
		} else {
		mPlayTime = playTime;
		}
		mPlayTime = Math.max(0, mPlayTime);
		mSeekingInReverse = inReverse;

core/java/android/animation/ValueAnimator.java

+43 −14

Original line number	Diff line number	Diff line
		@@ -324,8 +324,9 @@ public class ValueAnimator extends Animator implements AnimationHandler.Animatio
		listenerCopy = new ArrayList<>(sDurationScaleChangeListeners);
		}

		for (WeakReference<DurationScaleChangeListener> listenerRef : listenerCopy) {
		final DurationScaleChangeListener listener = listenerRef.get();
		int listenersSize = listenerCopy.size();
		for (int i = 0; i < listenersSize; i++) {
		final DurationScaleChangeListener listener = listenerCopy.get(i).get();
		if (listener != null) {
		listener.onChanged(durationScale);
		}
		@@ -624,7 +625,7 @@ public class ValueAnimator extends Animator implements AnimationHandler.Animatio
		public void setValues(PropertyValuesHolder... values) {
		int numValues = values.length;
		mValues = values;
		mValuesMap = new HashMap<String, PropertyValuesHolder>(numValues);
		mValuesMap = new HashMap<>(numValues);
		for (int i = 0; i < numValues; ++i) {
		PropertyValuesHolder valuesHolder = values[i];
		mValuesMap.put(valuesHolder.getPropertyName(), valuesHolder);
		@@ -658,10 +659,12 @@ public class ValueAnimator extends Animator implements AnimationHandler.Animatio
		@CallSuper
		void initAnimation() {
		if (!mInitialized) {
		if (mValues != null) {
		int numValues = mValues.length;
		for (int i = 0; i < numValues; ++i) {
		mValues[i].init();
		}
		}
		mInitialized = true;
		}
		}
		@@ -1209,12 +1212,16 @@ public class ValueAnimator extends Animator implements AnimationHandler.Animatio
		// If it's not yet running, then start listeners weren't called. Call them now.
		notifyStartListeners();
		}
		int listenersSize = mListeners.size();
		if (listenersSize > 0) {
		ArrayList<AnimatorListener> tmpListeners =
		(ArrayList<AnimatorListener>) mListeners.clone();
		for (AnimatorListener listener : tmpListeners) {
		for (int i = 0; i < listenersSize; i++) {
		AnimatorListener listener = tmpListeners.get(i);
		listener.onAnimationCancel(this);
		}
		}
		}
		endAnimation();

		}
		@@ -1452,12 +1459,19 @@ public class ValueAnimator extends Animator implements AnimationHandler.Animatio
		* will be called.
		*/
		@Override
		void animateBasedOnPlayTime(long currentPlayTime, long lastPlayTime, boolean inReverse) {
		if (currentPlayTime < 0 \|\| lastPlayTime < 0) {
		void animateValuesInRange(long currentPlayTime, long lastPlayTime) {
		if (currentPlayTime < mStartDelay \|\| lastPlayTime < -1) {
		throw new UnsupportedOperationException("Error: Play time should never be negative.");
		}

		initAnimation();
		long duration = getTotalDuration();
		if (duration >= 0) {
		lastPlayTime = Math.min(duration, lastPlayTime);
		}
		lastPlayTime -= mStartDelay;
		currentPlayTime -= mStartDelay;

		// Check whether repeat callback is needed only when repeat count is non-zero
		if (mRepeatCount > 0) {
		int iteration = (int) (currentPlayTime / mDuration);
		@@ -1478,15 +1492,27 @@ public class ValueAnimator extends Animator implements AnimationHandler.Animatio
		}

		if (mRepeatCount != INFINITE && currentPlayTime >= (mRepeatCount + 1) * mDuration) {
		skipToEndValue(inReverse);
		throw new IllegalStateException("Can't animate a value outside of the duration");
		} else {
		// Find the current fraction:
		float fraction = currentPlayTime / (float) mDuration;
		fraction = getCurrentIterationFraction(fraction, inReverse);
		fraction = getCurrentIterationFraction(fraction, false);
		animateValue(fraction);
		}
		}

		@Override
		void animateSkipToEnds(long currentPlayTime, long lastPlayTime) {
		if (currentPlayTime <= mStartDelay && lastPlayTime > mStartDelay) {
		skipToEndValue(true);
		} else {
		long duration = getTotalDuration();
		if (duration >= 0 && currentPlayTime >= duration && lastPlayTime < duration) {
		skipToEndValue(false);
		}
		}
		}

		/**
		* Internal use only.
		* Skips the animation value to end/start, depending on whether the play direction is forward
		@@ -1641,6 +1667,9 @@ public class ValueAnimator extends Animator implements AnimationHandler.Animatio
		Trace.traceCounter(Trace.TRACE_TAG_VIEW, getNameForTrace() + hashCode(),
		(int) (fraction * 1000));
		}
		if (mValues == null) {
		return;
		}
		fraction = mInterpolator.getInterpolation(fraction);
		mCurrentFraction = fraction;
		int numValues = mValues.length;