Implement resize enter animation (e5bca046) · Commits · e / os / android_frameworks_base

libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitDecorManager.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -22,6 +22,8 @@ import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_NO_MOVE_ANIMA
		import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_TRUSTED_OVERLAY;
		import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;

		import static com.android.wm.shell.common.split.SplitScreenConstants.FADE_DURATION;

		import android.animation.Animator;
		import android.animation.AnimatorListenerAdapter;
		import android.animation.ValueAnimator;
		@@ -58,7 +60,6 @@ public class SplitDecorManager extends WindowlessWindowManager {
		private static final String TAG = SplitDecorManager.class.getSimpleName();
		private static final String RESIZING_BACKGROUND_SURFACE_NAME = "ResizingBackground";
		private static final String GAP_BACKGROUND_SURFACE_NAME = "GapBackground";
		private static final long FADE_DURATION = 133;

		private final IconProvider mIconProvider;
		private final SurfaceSession mSurfaceSession;
		@@ -261,6 +262,7 @@ public class SplitDecorManager extends WindowlessWindowManager {

		final SurfaceControl.Transaction animT = new SurfaceControl.Transaction();
		mScreenshotAnimator = ValueAnimator.ofFloat(1, 0);
		mScreenshotAnimator.setDuration(FADE_DURATION);
		mScreenshotAnimator.addUpdateListener(valueAnimator -> {
		final float progress = (float) valueAnimator.getAnimatedValue();
		animT.setAlpha(mScreenshot, progress);

libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitScreenConstants.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -43,6 +43,11 @@ public class SplitScreenConstants {
		*/
		public static final int SPLIT_POSITION_BOTTOM_OR_RIGHT = 1;

		/**
		* Duration used for every split fade-in or fade-out.
		*/
		public static final int FADE_DURATION = 133;

		@IntDef(prefix = {"SPLIT_POSITION_"}, value = {
		SPLIT_POSITION_UNDEFINED,
		SPLIT_POSITION_TOP_OR_LEFT,

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenTransitions.java

+65 −79

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import static android.view.WindowManager.TRANSIT_OPEN;
		import static android.view.WindowManager.TRANSIT_TO_BACK;
		import static android.view.WindowManager.TRANSIT_TO_FRONT;

		import static com.android.wm.shell.common.split.SplitScreenConstants.FADE_DURATION;
		import static com.android.wm.shell.common.split.SplitScreenConstants.FLAG_IS_DIVIDER_BAR;
		import static com.android.wm.shell.splitscreen.SplitScreen.stageTypeToString;
		import static com.android.wm.shell.splitscreen.SplitScreenController.EXIT_REASON_DRAG_DIVIDER;
		@@ -34,7 +35,6 @@ import android.animation.AnimatorListenerAdapter;
		import android.animation.ValueAnimator;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.graphics.Rect;
		import android.os.IBinder;
		import android.view.SurfaceControl;
		import android.view.WindowManager;
		@@ -63,7 +63,7 @@ class SplitScreenTransitions {
		private final Runnable mOnFinish;

		DismissSession mPendingDismiss = null;
		TransitSession mPendingEnter = null;
		EnterSession mPendingEnter = null;
		TransitSession mPendingResize = null;

		private IBinder mAnimatingTransition = null;
		@@ -120,6 +120,7 @@ class SplitScreenTransitions {
		@NonNull SurfaceControl.Transaction t, @NonNull WindowContainerToken mainRoot,
		@NonNull WindowContainerToken sideRoot, @NonNull WindowContainerToken topRoot) {
		// Play some place-holder fade animations
		final boolean isEnter = isPendingEnter(transition);
		for (int i = info.getChanges().size() - 1; i >= 0; --i) {
		final TransitionInfo.Change change = info.getChanges().get(i);
		final SurfaceControl leash = change.getLeash();
		@@ -142,17 +143,23 @@ class SplitScreenTransitions {
		change.getEndRelOffset().x, change.getEndRelOffset().y);
		}
		}
		boolean isRootOrSplitSideRoot = change.getParent() == null
		\|\| topRoot.equals(change.getParent());
		boolean isDivider = change.getFlags() == FLAG_IS_DIVIDER_BAR;
		// For enter or exit, we only want to animate side roots and the divider but not the
		// top-root.
		if (!isRootOrSplitSideRoot \|\| topRoot.equals(change.getContainer()) \|\| isDivider) {
		continue;
		}

		if (isPendingEnter(transition) && (mainRoot.equals(change.getContainer())
		\|\| sideRoot.equals(change.getContainer()))) {
		final boolean isTopRoot = topRoot.equals(change.getContainer());
		final boolean isMainRoot = mainRoot.equals(change.getContainer());
		final boolean isSideRoot = sideRoot.equals(change.getContainer());
		final boolean isDivider = change.getFlags() == FLAG_IS_DIVIDER_BAR;
		final boolean isMainChild = mainRoot.equals(change.getParent());
		final boolean isSideChild = sideRoot.equals(change.getParent());
		if (isEnter && (isMainChild \|\| isSideChild)) {
		// Reset child tasks bounds on finish.
		mFinishTransaction.setPosition(leash,
		change.getEndRelOffset().x, change.getEndRelOffset().y);
		mFinishTransaction.setCrop(leash, null);
		} else if (isEnter && isTopRoot) {
		// Ensure top root is visible at start.
		t.setAlpha(leash, 1.f);
		t.show(leash);
		} else if (isEnter && isMainRoot \|\| isSideRoot) {
		t.setPosition(leash, change.getEndAbsBounds().left, change.getEndAbsBounds().top);
		t.setWindowCrop(leash, change.getEndAbsBounds().width(),
		change.getEndAbsBounds().height());
		@@ -161,10 +168,24 @@ class SplitScreenTransitions {
		t.setLayer(leash, Integer.MAX_VALUE);
		t.show(leash);
		}
		// These container changes we don't want to animate them.
		// We should only animate stage root, divider and child tasks are not under stage root.
		if (isTopRoot \|\| isMainChild \|\| isSideChild \|\| change.getTaskInfo() == null) {
		continue;
		}

		if (isEnter && mPendingEnter.mResizeAnim) {
		// We will run animation in next transition so skip anim here
		continue;
		} else if (isEnter && isMainRoot) {
		// Main stage already on top so skip fade in animation to reduce flicker.
		continue;
		}

		boolean isOpening = TransitionUtil.isOpeningType(info.getType());
		if (isOpening && (mode == TRANSIT_OPEN \|\| mode == TRANSIT_TO_FRONT)) {
		// fade in
		startExampleAnimation(leash, true /* show */);
		startFadeAnimation(leash, true /* show */);
		} else if (!isOpening && (mode == TRANSIT_CLOSE \|\| mode == TRANSIT_TO_BACK)) {
		// fade out
		if (info.getType() == TRANSIT_SPLIT_DISMISS_SNAP) {
		@@ -173,7 +194,7 @@ class SplitScreenTransitions {
		// and don't animate it so it doesn't pop-in when reparented.
		t.setAlpha(leash, 0.f);
		} else {
		startExampleAnimation(leash, false /* show */);
		startFadeAnimation(leash, false /* show */);
		}
		}
		}
		@@ -265,7 +286,7 @@ class SplitScreenTransitions {
		Transitions.TransitionHandler handler,
		@Nullable TransitionConsumedCallback consumedCallback,
		@Nullable TransitionFinishedCallback finishedCallback,
		int extraTransitType) {
		int extraTransitType, boolean resizeAnim) {
		if (mPendingEnter != null) {
		ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS, " splitTransition "
		+ " skip to start enter split transition since it already exist. ");
		@@ -273,7 +294,7 @@ class SplitScreenTransitions {
		}
		final IBinder transition = mTransitions.startTransition(transitType, wct, handler);
		setEnterTransition(transition, remoteTransition, consumedCallback, finishedCallback,
		extraTransitType);
		extraTransitType, resizeAnim);
		return transition;
		}

		@@ -282,9 +303,10 @@ class SplitScreenTransitions {
		@Nullable RemoteTransition remoteTransition,
		@Nullable TransitionConsumedCallback consumedCallback,
		@Nullable TransitionFinishedCallback finishedCallback,
		int extraTransitType) {
		mPendingEnter = new TransitSession(
		transition, consumedCallback, finishedCallback, remoteTransition, extraTransitType);
		int extraTransitType, boolean resizeAnim) {
		mPendingEnter = new EnterSession(
		transition, consumedCallback, finishedCallback, remoteTransition, extraTransitType,
		resizeAnim);

		ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS, " splitTransition "
		+ " deduced Enter split screen");
		@@ -407,78 +429,27 @@ class SplitScreenTransitions {
		}
		}

		// TODO(shell-transitions): real animations
		private void startExampleAnimation(@NonNull SurfaceControl leash, boolean show) {
		private void startFadeAnimation(@NonNull SurfaceControl leash, boolean show) {
		final float end = show ? 1.f : 0.f;
		final float start = 1.f - end;
		final SurfaceControl.Transaction transaction = mTransactionPool.acquire();
		final ValueAnimator va = ValueAnimator.ofFloat(start, end);
		va.setDuration(500);
		va.setDuration(FADE_DURATION);
		va.addUpdateListener(animation -> {
		float fraction = animation.getAnimatedFraction();
		transaction.setAlpha(leash, start * (1.f - fraction) + end * fraction);
		transaction.apply();
		});
		final Runnable finisher = () -> {
		transaction.setAlpha(leash, end);
		transaction.apply();
		mTransactionPool.release(transaction);
		mTransitions.getMainExecutor().execute(() -> {
		mAnimations.remove(va);
		onFinish(null /* wct /, null / wctCB */);
		});
		};
		va.addListener(new AnimatorListenerAdapter() {
		@Override
		public void onAnimationEnd(Animator animation) {
		finisher.run();
		}

		@Override
		public void onAnimationCancel(Animator animation) {
		finisher.run();
		}
		});
		mAnimations.add(va);
		mTransitions.getAnimExecutor().execute(va::start);
		}

		// TODO(shell-transitions): real animations
		private void startExampleResizeAnimation(@NonNull SurfaceControl leash,
		@NonNull Rect startBounds, @NonNull Rect endBounds) {
		final SurfaceControl.Transaction transaction = mTransactionPool.acquire();
		final ValueAnimator va = ValueAnimator.ofFloat(0.f, 1.f);
		va.setDuration(500);
		va.addUpdateListener(animation -> {
		float fraction = animation.getAnimatedFraction();
		transaction.setWindowCrop(leash,
		(int) (startBounds.width() * (1.f - fraction) + endBounds.width() * fraction),
		(int) (startBounds.height() * (1.f - fraction)
		+ endBounds.height() * fraction));
		transaction.setPosition(leash,
		startBounds.left * (1.f - fraction) + endBounds.left * fraction,
		startBounds.top * (1.f - fraction) + endBounds.top * fraction);
		transaction.apply();
		});
		final Runnable finisher = () -> {
		transaction.setWindowCrop(leash, 0, 0);
		transaction.setPosition(leash, endBounds.left, endBounds.top);
		transaction.setAlpha(leash, end);
		transaction.apply();
		mTransactionPool.release(transaction);
		mTransitions.getMainExecutor().execute(() -> {
		mAnimations.remove(va);
		onFinish(null /* wct /, null / wctCB */);
		});
		};
		va.addListener(new AnimatorListenerAdapter() {
		@Override
		public void onAnimationEnd(Animator animation) {
		finisher.run();
		}

		@Override
		public void onAnimationCancel(Animator animation) {
		finisher.run();
		}
		});
		mAnimations.add(va);
		@@ -567,6 +538,21 @@ class SplitScreenTransitions {
		}
		}

		/** Bundled information of enter transition. */
		class EnterSession extends TransitSession {
		final boolean mResizeAnim;

		EnterSession(IBinder transition,
		@Nullable TransitionConsumedCallback consumedCallback,
		@Nullable TransitionFinishedCallback finishedCallback,
		@Nullable RemoteTransition remoteTransition,
		int extraTransitType, boolean resizeAnim) {
		super(transition, consumedCallback, finishedCallback, remoteTransition,
		extraTransitType);
		this.mResizeAnim = resizeAnim;
		}
		}

		/** Bundled information of dismiss transition. */
		class DismissSession extends TransitSession {
		final int mReason;

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java

+32 −45

Original line number	Diff line number	Diff line
		@@ -394,7 +394,8 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		mSplitTransitions.startEnterTransition(TRANSIT_TO_FRONT, wct,
		null, this, null /* consumedCallback /, null / finishedCallback */,
		isSplitScreenVisible()
		? TRANSIT_SPLIT_SCREEN_OPEN_TO_SIDE : TRANSIT_SPLIT_SCREEN_PAIR_OPEN);
		? TRANSIT_SPLIT_SCREEN_OPEN_TO_SIDE : TRANSIT_SPLIT_SCREEN_PAIR_OPEN,
		!mIsDropEntering);
		} else {
		mSyncQueue.queue(wct);
		mSyncQueue.runInSync(t -> {
		@@ -502,7 +503,8 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		prepareEnterSplitScreen(wct, null /* taskInfo */, position);

		mSplitTransitions.startEnterTransition(TRANSIT_TO_FRONT, wct, null, this,
		null /* consumedCallback /, null / finishedCallback */, extraTransitType);
		null /* consumedCallback /, null / finishedCallback */, extraTransitType,
		!mIsDropEntering);
		}

		/** Launches an activity into split by legacy transition. */
		@@ -660,7 +662,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,

		mSplitTransitions.startEnterTransition(
		TRANSIT_TO_FRONT, wct, remoteTransition, this, null, null,
		TRANSIT_SPLIT_SCREEN_PAIR_OPEN);
		TRANSIT_SPLIT_SCREEN_PAIR_OPEN, false);
		setEnterInstanceId(instanceId);
		}

		@@ -712,7 +714,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,

		mSplitTransitions.startEnterTransition(
		TRANSIT_TO_FRONT, wct, remoteTransition, this, null, null,
		TRANSIT_SPLIT_SCREEN_PAIR_OPEN);
		TRANSIT_SPLIT_SCREEN_PAIR_OPEN, false);
		setEnterInstanceId(instanceId);
		}

		@@ -1493,14 +1495,6 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,

		private void prepareBringSplit(WindowContainerTransaction wct,
		@Nullable ActivityManager.RunningTaskInfo taskInfo, @SplitPosition int startPosition) {
		StageTaskListener targetStage;
		if (isSplitScreenVisible()) {
		// If the split screen is foreground, retrieves target stage based on position.
		targetStage = startPosition == mSideStagePosition ? mSideStage : mMainStage;
		} else {
		targetStage = mSideStage;
		}

		if (taskInfo != null) {
		wct.startTask(taskInfo.taskId,
		resolveStartStage(STAGE_TYPE_UNDEFINED, startPosition, null, wct));
		@@ -1509,13 +1503,8 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		// and evict all tasks current under its.
		if (!isSplitScreenVisible()) {
		// Recreate so we need to reset position rather than keep position of background split.
		mSplitLayout.resetDividerPosition();
		updateWindowBounds(mSplitLayout, wct);
		final StageTaskListener anotherStage = targetStage == mMainStage
		? mSideStage : mMainStage;
		anotherStage.reparentTopTask(wct);
		wct.reorder(mRootTaskInfo.token, true);
		setRootForceTranslucent(false, wct);
		mMainStage.reparentTopTask(wct);
		prepareSplitLayout(wct);
		}
		}

		@@ -1531,8 +1520,22 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		mSideStage.addTask(taskInfo, wct);
		}
		mMainStage.activate(wct, true /* includingTopTask */);
		prepareSplitLayout(wct);
		}

		private void prepareSplitLayout(WindowContainerTransaction wct) {
		if (mIsDropEntering) {
		mSplitLayout.resetDividerPosition();
		} else {
		mSplitLayout.setDividerAtBorder(mSideStagePosition == SPLIT_POSITION_TOP_OR_LEFT);
		}
		updateWindowBounds(mSplitLayout, wct);
		if (!mIsDropEntering) {
		// Reset its smallest width dp to avoid is change layout before it actually resized to
		// split bounds.
		wct.setSmallestScreenWidthDp(mMainStage.mRootTaskInfo.token,
		SMALLEST_SCREEN_WIDTH_DP_UNDEFINED);
		}
		wct.reorder(mRootTaskInfo.token, true);
		setRootForceTranslucent(false, wct);
		}
		@@ -1547,6 +1550,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		updateSurfaceBounds(mSplitLayout, t, false /* applyResizingOffset */);
		t.show(mRootTaskLeash);
		setSplitsVisible(true);
		mIsDropEntering = false;
		updateRecentTasksSplitPair();
		if (!mLogger.hasStartedSession()) {
		mLogger.logEnter(mSplitLayout.getDividerPositionAsFraction(),
		@@ -1776,18 +1780,10 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		// Handle entering split screen while there is a split pair running in the background.
		if (stageListener == mSideStageListener && !isSplitScreenVisible() && isSplitActive()
		&& mSplitRequest == null) {
		if (mIsDropEntering) {
		mSplitLayout.resetDividerPosition();
		} else {
		mSplitLayout.setDividerAtBorder(mSideStagePosition == SPLIT_POSITION_TOP_OR_LEFT);
		}
		final WindowContainerTransaction wct = new WindowContainerTransaction();
		mMainStage.reparentTopTask(wct);
		prepareEnterSplitScreen(wct);
		mMainStage.evictAllChildren(wct);
		mSideStage.evictOtherChildren(wct, taskId);
		updateWindowBounds(mSplitLayout, wct);
		wct.reorder(mRootTaskInfo.token, true);
		setRootForceTranslucent(false, wct);

		mSyncQueue.queue(wct);
		mSyncQueue.runInSync(t -> {
		@@ -1982,20 +1978,8 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		exitSplitScreen(null /* childrenToTop */, EXIT_REASON_APP_FINISHED);
		}
		} else if (isSideStage && hasChildren && !mMainStage.isActive()) {
		mSplitLayout.init();

		final WindowContainerTransaction wct = new WindowContainerTransaction();
		if (mIsDropEntering) {
		prepareEnterSplitScreen(wct);
		} else {
		// TODO (b/238697912) : Add the validation to prevent entering non-recovered status
		onSplitScreenEnter();
		mSplitLayout.setDividerAtBorder(mSideStagePosition == SPLIT_POSITION_TOP_OR_LEFT);
		mMainStage.activate(wct, true /* includingTopTask */);
		updateWindowBounds(mSplitLayout, wct);
		wct.reorder(mRootTaskInfo.token, true);
		setRootForceTranslucent(false, wct);
		}

		mSyncQueue.queue(wct);
		mSyncQueue.runInSync(t -> {
		@@ -2344,7 +2328,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		prepareEnterSplitScreen(out);
		mSplitTransitions.setEnterTransition(transition, request.getRemoteTransition(),
		null /* consumedCallback /, null / finishedCallback */,
		0 /* extraTransitType */);
		0 /* extraTransitType */, !mIsDropEntering);
		}
		}
		return out;
		@@ -2583,7 +2567,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		}

		private boolean startPendingEnterAnimation(
		@NonNull SplitScreenTransitions.TransitSession enterTransition,
		@NonNull SplitScreenTransitions.EnterSession enterTransition,
		@NonNull TransitionInfo info, @NonNull SurfaceControl.Transaction t,
		@NonNull SurfaceControl.Transaction finishT) {
		// First, verify that we actually have opened apps in both splits.
		@@ -2641,7 +2625,6 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		+ " to have been called with " + sideChild.getTaskInfo().taskId
		+ " before startAnimation().");
		}

		final TransitionInfo.Change finalMainChild = mainChild;
		final TransitionInfo.Change finalSideChild = sideChild;
		enterTransition.setFinishedCallback((callbackWct, callbackT) -> {
		@@ -2651,6 +2634,10 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		if (finalSideChild != null) {
		mSideStage.evictOtherChildren(callbackWct, finalSideChild.getTaskInfo().taskId);
		}
		if (enterTransition.mResizeAnim) {
		mShowDecorImmediately = true;
		mSplitLayout.flingDividerToCenter();
		}
		});

		finishEnterSplitScreen(finishT);

libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/splitscreen/SplitTransitionTests.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -182,7 +182,7 @@ public class SplitTransitionTests extends ShellTestCase {
		IBinder transition = mSplitScreenTransitions.startEnterTransition(
		TRANSIT_OPEN, new WindowContainerTransaction(),
		new RemoteTransition(testRemote, "Test"), mStageCoordinator, null, null,
		TRANSIT_SPLIT_SCREEN_PAIR_OPEN);
		TRANSIT_SPLIT_SCREEN_PAIR_OPEN, false);
		mMainStage.onTaskAppeared(mMainChild, createMockSurface());
		mSideStage.onTaskAppeared(mSideChild, createMockSurface());
		boolean accepted = mStageCoordinator.startAnimation(transition, info,
		@@ -408,7 +408,7 @@ public class SplitTransitionTests extends ShellTestCase {
		IBinder enterTransit = mSplitScreenTransitions.startEnterTransition(
		TRANSIT_OPEN, new WindowContainerTransaction(),
		new RemoteTransition(new TestRemoteTransition(), "Test"),
		mStageCoordinator, null, null, TRANSIT_SPLIT_SCREEN_PAIR_OPEN);
		mStageCoordinator, null, null, TRANSIT_SPLIT_SCREEN_PAIR_OPEN, false);
		mMainStage.onTaskAppeared(mMainChild, createMockSurface());
		mSideStage.onTaskAppeared(mSideChild, createMockSurface());
		mStageCoordinator.startAnimation(enterTransit, enterInfo,