Animate ActivityEmbedding transition with Shell Transition (bdfb18ab) · Commits · e / os / android_frameworks_base

libs/WindowManager/Shell/src/com/android/wm/shell/activityembedding/ActivityEmbeddingAnimationAdapter.java

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		/*
		* Copyright (C) 2022 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.wm.shell.activityembedding;

		import static android.graphics.Matrix.MSCALE_X;
		import static android.graphics.Matrix.MTRANS_X;
		import static android.graphics.Matrix.MTRANS_Y;

		import android.annotation.CallSuper;
		import android.graphics.Point;
		import android.graphics.Rect;
		import android.view.Choreographer;
		import android.view.SurfaceControl;
		import android.view.animation.Animation;
		import android.view.animation.Transformation;
		import android.window.TransitionInfo;

		import androidx.annotation.NonNull;

		/**
		* Wrapper to handle the ActivityEmbedding animation update in one
		* {@link SurfaceControl.Transaction}.
		*/
		class ActivityEmbeddingAnimationAdapter {

		/**
		* If {@link #mOverrideLayer} is set to this value, we don't want to override the surface layer.
		*/
		private static final int LAYER_NO_OVERRIDE = -1;

		final Animation mAnimation;
		final TransitionInfo.Change mChange;
		final SurfaceControl mLeash;

		final Transformation mTransformation = new Transformation();
		final float[] mMatrix = new float[9];
		final float[] mVecs = new float[4];
		final Rect mRect = new Rect();
		private boolean mIsFirstFrame = true;
		private int mOverrideLayer = LAYER_NO_OVERRIDE;

		ActivityEmbeddingAnimationAdapter(@NonNull Animation animation,
		@NonNull TransitionInfo.Change change) {
		this(animation, change, change.getLeash());
		}

		/**
		* @param leash the surface to animate, which is not necessary the same as
		* {@link TransitionInfo.Change#getLeash()}, it can be a screenshot for example.
		*/
		ActivityEmbeddingAnimationAdapter(@NonNull Animation animation,
		@NonNull TransitionInfo.Change change, @NonNull SurfaceControl leash) {
		mAnimation = animation;
		mChange = change;
		mLeash = leash;
		}

		/**
		* Surface layer to be set at the first frame of the animation. We will not set the layer if it
		* is set to {@link #LAYER_NO_OVERRIDE}.
		*/
		final void overrideLayer(int layer) {
		mOverrideLayer = layer;
		}

		/** Called on frame update. */
		final void onAnimationUpdate(@NonNull SurfaceControl.Transaction t, long currentPlayTime) {
		if (mIsFirstFrame) {
		t.show(mLeash);
		if (mOverrideLayer != LAYER_NO_OVERRIDE) {
		t.setLayer(mLeash, mOverrideLayer);
		}
		mIsFirstFrame = false;
		}

		// Extract the transformation to the current time.
		mAnimation.getTransformation(Math.min(currentPlayTime, mAnimation.getDuration()),
		mTransformation);
		t.setFrameTimelineVsync(Choreographer.getInstance().getVsyncId());
		onAnimationUpdateInner(t);
		}

		/** To be overridden by subclasses to adjust the animation surface change. */
		void onAnimationUpdateInner(@NonNull SurfaceControl.Transaction t) {
		final Point offset = mChange.getEndRelOffset();
		mTransformation.getMatrix().postTranslate(offset.x, offset.y);
		t.setMatrix(mLeash, mTransformation.getMatrix(), mMatrix);
		t.setAlpha(mLeash, mTransformation.getAlpha());
		// Get current animation position.
		final int positionX = Math.round(mMatrix[MTRANS_X]);
		final int positionY = Math.round(mMatrix[MTRANS_Y]);
		// The exiting surface starts at position: Change#getEndRelOffset() and moves with
		// positionX varying. Offset our crop region by the amount we have slided so crop
		// regions stays exactly on the original container in split.
		final int cropOffsetX = offset.x - positionX;
		final int cropOffsetY = offset.y - positionY;
		final Rect cropRect = new Rect();
		cropRect.set(mChange.getEndAbsBounds());
		// Because window crop uses absolute position.
		cropRect.offsetTo(0, 0);
		cropRect.offset(cropOffsetX, cropOffsetY);
		t.setCrop(mLeash, cropRect);
		}

		/** Called after animation finished. */
		@CallSuper
		void onAnimationEnd(@NonNull SurfaceControl.Transaction t) {
		onAnimationUpdate(t, mAnimation.getDuration());
		}

		final long getDurationHint() {
		return mAnimation.computeDurationHint();
		}

		/**
		* Should be used when the {@link TransitionInfo.Change} is in split with others, and wants to
		* animate together as one. This adapter will offset the animation leash to make the animate of
		* two windows look like a single window.
		*/
		static class SplitAdapter extends ActivityEmbeddingAnimationAdapter {
		private final boolean mIsLeftHalf;
		private final int mWholeAnimationWidth;

		/**
		* @param isLeftHalf whether this is the left half of the animation.
		* @param wholeAnimationWidth the whole animation windows width.
		*/
		SplitAdapter(@NonNull Animation animation, @NonNull TransitionInfo.Change change,
		boolean isLeftHalf, int wholeAnimationWidth) {
		super(animation, change);
		mIsLeftHalf = isLeftHalf;
		mWholeAnimationWidth = wholeAnimationWidth;
		if (wholeAnimationWidth == 0) {
		throw new IllegalArgumentException("SplitAdapter must provide wholeAnimationWidth");
		}
		}

		@Override
		void onAnimationUpdateInner(@NonNull SurfaceControl.Transaction t) {
		final Point offset = mChange.getEndRelOffset();
		float posX = offset.x;
		final float posY = offset.y;
		// This window is half of the whole animation window. Offset left/right to make it
		// look as one with the other half.
		mTransformation.getMatrix().getValues(mMatrix);
		final int changeWidth = mChange.getEndAbsBounds().width();
		final float scaleX = mMatrix[MSCALE_X];
		final float totalOffset = mWholeAnimationWidth * (1 - scaleX) / 2;
		final float curOffset = changeWidth * (1 - scaleX) / 2;
		final float offsetDiff = totalOffset - curOffset;
		if (mIsLeftHalf) {
		posX += offsetDiff;
		} else {
		posX -= offsetDiff;
		}
		mTransformation.getMatrix().postTranslate(posX, posY);
		t.setMatrix(mLeash, mTransformation.getMatrix(), mMatrix);
		t.setAlpha(mLeash, mTransformation.getAlpha());
		}
		}

		/**
		* Should be used for the animation of the snapshot of a {@link TransitionInfo.Change} that has
		* size change.
		*/
		static class SnapshotAdapter extends ActivityEmbeddingAnimationAdapter {

		SnapshotAdapter(@NonNull Animation animation, @NonNull TransitionInfo.Change change,
		@NonNull SurfaceControl snapshotLeash) {
		super(animation, change, snapshotLeash);
		}

		@Override
		void onAnimationUpdateInner(@NonNull SurfaceControl.Transaction t) {
		// Snapshot should always be placed at the top left of the animation leash.
		mTransformation.getMatrix().postTranslate(0, 0);
		t.setMatrix(mLeash, mTransformation.getMatrix(), mMatrix);
		t.setAlpha(mLeash, mTransformation.getAlpha());
		}

		@Override
		void onAnimationEnd(@NonNull SurfaceControl.Transaction t) {
		super.onAnimationEnd(t);
		// Remove the screenshot leash after animation is finished.
		t.remove(mLeash);
		}
		}

		/**
		* Should be used for the animation of the {@link TransitionInfo.Change} that has size change.
		*/
		static class BoundsChangeAdapter extends ActivityEmbeddingAnimationAdapter {

		BoundsChangeAdapter(@NonNull Animation animation, @NonNull TransitionInfo.Change change) {
		super(animation, change);
		}

		@Override
		void onAnimationUpdateInner(@NonNull SurfaceControl.Transaction t) {
		final Point offset = mChange.getEndRelOffset();
		mTransformation.getMatrix().postTranslate(offset.x, offset.y);
		t.setMatrix(mLeash, mTransformation.getMatrix(), mMatrix);
		t.setAlpha(mLeash, mTransformation.getAlpha());

		// The following applies an inverse scale to the clip-rect so that it crops "after" the
		// scale instead of before.
		mVecs[1] = mVecs[2] = 0;
		mVecs[0] = mVecs[3] = 1;
		mTransformation.getMatrix().mapVectors(mVecs);
		mVecs[0] = 1.f / mVecs[0];
		mVecs[3] = 1.f / mVecs[3];
		final Rect clipRect = mTransformation.getClipRect();
		mRect.left = (int) (clipRect.left * mVecs[0] + 0.5f);
		mRect.right = (int) (clipRect.right * mVecs[0] + 0.5f);
		mRect.top = (int) (clipRect.top * mVecs[3] + 0.5f);
		mRect.bottom = (int) (clipRect.bottom * mVecs[3] + 0.5f);
		t.setCrop(mLeash, mRect);
		}
		}
		}

libs/WindowManager/Shell/src/com/android/wm/shell/activityembedding/ActivityEmbeddingAnimationRunner.java

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		/*
		* Copyright (C) 2022 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.wm.shell.activityembedding;

		import static android.view.WindowManager.TRANSIT_CHANGE;
		import static android.view.WindowManagerPolicyConstants.TYPE_LAYER_OFFSET;

		import android.animation.Animator;
		import android.animation.ValueAnimator;
		import android.content.Context;
		import android.graphics.Point;
		import android.graphics.Rect;
		import android.os.IBinder;
		import android.util.Log;
		import android.view.SurfaceControl;
		import android.view.animation.Animation;
		import android.window.TransitionInfo;
		import android.window.WindowContainerToken;

		import androidx.annotation.NonNull;
		import androidx.annotation.Nullable;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.wm.shell.common.ScreenshotUtils;
		import com.android.wm.shell.transition.Transitions;

		import java.util.ArrayList;
		import java.util.List;
		import java.util.function.BiFunction;

		/** To run the ActivityEmbedding animations. */
		class ActivityEmbeddingAnimationRunner {

		private static final String TAG = "ActivityEmbeddingAnimR";

		private final ActivityEmbeddingController mController;
		@VisibleForTesting
		final ActivityEmbeddingAnimationSpec mAnimationSpec;

		ActivityEmbeddingAnimationRunner(@NonNull Context context,
		@NonNull ActivityEmbeddingController controller) {
		mController = controller;
		mAnimationSpec = new ActivityEmbeddingAnimationSpec(context);
		}

		/** Creates and starts animation for ActivityEmbedding transition. */
		void startAnimation(@NonNull IBinder transition, @NonNull TransitionInfo info,
		@NonNull SurfaceControl.Transaction startTransaction,
		@NonNull SurfaceControl.Transaction finishTransaction) {
		final Animator animator = createAnimator(info, startTransaction, finishTransaction,
		() -> mController.onAnimationFinished(transition));
		startTransaction.apply();
		animator.start();
		}

		/**
		* Sets transition animation scale settings value.
		* @param scale The setting value of transition animation scale.
		*/
		void setAnimScaleSetting(float scale) {
		mAnimationSpec.setAnimScaleSetting(scale);
		}

		/** Creates the animator for the given {@link TransitionInfo}. */
		@VisibleForTesting
		@NonNull
		Animator createAnimator(@NonNull TransitionInfo info,
		@NonNull SurfaceControl.Transaction startTransaction,
		@NonNull SurfaceControl.Transaction finishTransaction,
		@NonNull Runnable animationFinishCallback) {
		final List<ActivityEmbeddingAnimationAdapter> adapters =
		createAnimationAdapters(info, startTransaction);
		long duration = 0;
		for (ActivityEmbeddingAnimationAdapter adapter : adapters) {
		duration = Math.max(duration, adapter.getDurationHint());
		}
		final ValueAnimator animator = ValueAnimator.ofFloat(0, 1);
		animator.setDuration(duration);
		animator.addUpdateListener((anim) -> {
		// Update all adapters in the same transaction.
		final SurfaceControl.Transaction t = new SurfaceControl.Transaction();
		for (ActivityEmbeddingAnimationAdapter adapter : adapters) {
		adapter.onAnimationUpdate(t, animator.getCurrentPlayTime());
		}
		t.apply();
		});
		animator.addListener(new Animator.AnimatorListener() {
		@Override
		public void onAnimationStart(Animator animation) {}

		@Override
		public void onAnimationEnd(Animator animation) {
		final SurfaceControl.Transaction t = new SurfaceControl.Transaction();
		for (ActivityEmbeddingAnimationAdapter adapter : adapters) {
		adapter.onAnimationEnd(t);
		}
		t.apply();
		animationFinishCallback.run();
		}

		@Override
		public void onAnimationCancel(Animator animation) {}

		@Override
		public void onAnimationRepeat(Animator animation) {}
		});
		return animator;
		}

		/**
		* Creates list of {@link ActivityEmbeddingAnimationAdapter} to handle animations on all window
		* changes.
		*/
		@NonNull
		private List<ActivityEmbeddingAnimationAdapter> createAnimationAdapters(
		@NonNull TransitionInfo info, @NonNull SurfaceControl.Transaction startTransaction) {
		for (TransitionInfo.Change change : info.getChanges()) {
		if (change.getMode() == TRANSIT_CHANGE
		&& !change.getStartAbsBounds().equals(change.getEndAbsBounds())) {
		return createChangeAnimationAdapters(info, startTransaction);
		}
		}
		if (Transitions.isClosingType(info.getType())) {
		return createCloseAnimationAdapters(info);
		}
		return createOpenAnimationAdapters(info);
		}

		@NonNull
		private List<ActivityEmbeddingAnimationAdapter> createOpenAnimationAdapters(
		@NonNull TransitionInfo info) {
		return createOpenCloseAnimationAdapters(info, true /* isOpening */,
		mAnimationSpec::loadOpenAnimation);
		}

		@NonNull
		private List<ActivityEmbeddingAnimationAdapter> createCloseAnimationAdapters(
		@NonNull TransitionInfo info) {
		return createOpenCloseAnimationAdapters(info, false /* isOpening */,
		mAnimationSpec::loadCloseAnimation);
		}

		/**
		* Creates {@link ActivityEmbeddingAnimationAdapter} for OPEN and CLOSE types of transition.
		* @param isOpening {@code true} for OPEN type, {@code false} for CLOSE type.
		*/
		@NonNull
		private List<ActivityEmbeddingAnimationAdapter> createOpenCloseAnimationAdapters(
		@NonNull TransitionInfo info, boolean isOpening,
		@NonNull BiFunction<TransitionInfo.Change, Rect, Animation> animationProvider) {
		// We need to know if the change window is only a partial of the whole animation screen.
		// If so, we will need to adjust it to make the whole animation screen looks like one.
		final List<TransitionInfo.Change> openingChanges = new ArrayList<>();
		final List<TransitionInfo.Change> closingChanges = new ArrayList<>();
		final Rect openingWholeScreenBounds = new Rect();
		final Rect closingWholeScreenBounds = new Rect();
		for (TransitionInfo.Change change : info.getChanges()) {
		final Rect bounds = new Rect(change.getEndAbsBounds());
		final Point offset = change.getEndRelOffset();
		bounds.offsetTo(offset.x, offset.y);
		if (Transitions.isOpeningType(change.getMode())) {
		openingChanges.add(change);
		openingWholeScreenBounds.union(bounds);
		} else {
		closingChanges.add(change);
		closingWholeScreenBounds.union(bounds);
		}
		}

		// For OPEN transition, open windows should be above close windows.
		// For CLOSE transition, open windows should be below close windows.
		int offsetLayer = TYPE_LAYER_OFFSET;
		final List<ActivityEmbeddingAnimationAdapter> adapters = new ArrayList<>();
		for (TransitionInfo.Change change : openingChanges) {
		final ActivityEmbeddingAnimationAdapter adapter = createOpenCloseAnimationAdapter(
		change, animationProvider, openingWholeScreenBounds);
		if (isOpening) {
		adapter.overrideLayer(offsetLayer++);
		}
		adapters.add(adapter);
		}
		for (TransitionInfo.Change change : closingChanges) {
		final ActivityEmbeddingAnimationAdapter adapter = createOpenCloseAnimationAdapter(
		change, animationProvider, closingWholeScreenBounds);
		if (!isOpening) {
		adapter.overrideLayer(offsetLayer++);
		}
		adapters.add(adapter);
		}
		return adapters;
		}

		@NonNull
		private ActivityEmbeddingAnimationAdapter createOpenCloseAnimationAdapter(
		@NonNull TransitionInfo.Change change,
		@NonNull BiFunction<TransitionInfo.Change, Rect, Animation> animationProvider,
		@NonNull Rect wholeAnimationBounds) {
		final Animation animation = animationProvider.apply(change, wholeAnimationBounds);
		final Rect bounds = new Rect(change.getEndAbsBounds());
		final Point offset = change.getEndRelOffset();
		bounds.offsetTo(offset.x, offset.y);
		if (bounds.left == wholeAnimationBounds.left
		&& bounds.right != wholeAnimationBounds.right) {
		// This is the left split of the whole animation window.
		return new ActivityEmbeddingAnimationAdapter.SplitAdapter(animation, change,
		true /* isLeftHalf */, wholeAnimationBounds.width());
		} else if (bounds.left != wholeAnimationBounds.left
		&& bounds.right == wholeAnimationBounds.right) {
		// This is the right split of the whole animation window.
		return new ActivityEmbeddingAnimationAdapter.SplitAdapter(animation, change,
		false /* isLeftHalf */, wholeAnimationBounds.width());
		}
		// Open/close window that fills the whole animation.
		return new ActivityEmbeddingAnimationAdapter(animation, change);
		}

		@NonNull
		private List<ActivityEmbeddingAnimationAdapter> createChangeAnimationAdapters(
		@NonNull TransitionInfo info, @NonNull SurfaceControl.Transaction startTransaction) {
		final List<ActivityEmbeddingAnimationAdapter> adapters = new ArrayList<>();
		for (TransitionInfo.Change change : info.getChanges()) {
		if (change.getMode() == TRANSIT_CHANGE
		&& !change.getStartAbsBounds().equals(change.getEndAbsBounds())) {
		// This is the window with bounds change.
		final WindowContainerToken parentToken = change.getParent();
		final Rect parentBounds;
		if (parentToken != null) {
		TransitionInfo.Change parentChange = info.getChange(parentToken);
		parentBounds = parentChange != null
		? parentChange.getEndAbsBounds()
		: change.getEndAbsBounds();
		} else {
		parentBounds = change.getEndAbsBounds();
		}
		final Animation[] animations =
		mAnimationSpec.createChangeBoundsChangeAnimations(change, parentBounds);
		// Adapter for the starting screenshot leash.
		final SurfaceControl screenshotLeash = createScreenshot(change, startTransaction);
		if (screenshotLeash != null) {
		// The screenshot leash will be removed in SnapshotAdapter#onAnimationEnd
		adapters.add(new ActivityEmbeddingAnimationAdapter.SnapshotAdapter(
		animations[0], change, screenshotLeash));
		} else {
		Log.e(TAG, "Failed to take screenshot for change=" + change);
		}
		// Adapter for the ending bounds changed leash.
		adapters.add(new ActivityEmbeddingAnimationAdapter.BoundsChangeAdapter(
		animations[1], change));
		continue;
		}

		// These are the other windows that don't have bounds change in the same transition.
		final Animation animation;
		if (!TransitionInfo.isIndependent(change, info)) {
		// No-op if it will be covered by the changing parent window.
		animation = ActivityEmbeddingAnimationSpec.createNoopAnimation(change);
		} else if (Transitions.isClosingType(change.getMode())) {
		animation = mAnimationSpec.createChangeBoundsCloseAnimation(change);
		} else {
		animation = mAnimationSpec.createChangeBoundsOpenAnimation(change);
		}
		adapters.add(new ActivityEmbeddingAnimationAdapter(animation, change));
		}
		return adapters;
		}

		/** Takes a screenshot of the given {@link TransitionInfo.Change} surface. */
		@Nullable
		private SurfaceControl createScreenshot(@NonNull TransitionInfo.Change change,
		@NonNull SurfaceControl.Transaction startTransaction) {
		final Rect cropBounds = new Rect(change.getStartAbsBounds());
		cropBounds.offsetTo(0, 0);
		return ScreenshotUtils.takeScreenshot(startTransaction, change.getLeash(), cropBounds,
		Integer.MAX_VALUE);
		}
		}

libs/WindowManager/Shell/src/com/android/wm/shell/activityembedding/ActivityEmbeddingAnimationSpec.java

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+212 −0

File added.

Preview size limit exceeded, changes collapsed.

libs/WindowManager/Shell/src/com/android/wm/shell/activityembedding/ActivityEmbeddingController.java

+53 −12

File changed.

Preview size limit exceeded, changes collapsed.

libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellBaseModule.java

+4 −3

Original line number	Diff line number	Diff line
		@@ -627,11 +627,12 @@ public abstract class WMShellBaseModule {

		@WMSingleton
		@Provides
		static ActivityEmbeddingController provideActivityEmbeddingController(
		static Optional<ActivityEmbeddingController> provideActivityEmbeddingController(
		Context context,
		ShellInit shellInit,
		Transitions transitions) {
		return new ActivityEmbeddingController(context, shellInit, transitions);
		return Optional.ofNullable(
		ActivityEmbeddingController.create(context, shellInit, transitions));
		}

		//
		@@ -686,7 +687,7 @@ public abstract class WMShellBaseModule {
		Optional<RecentTasksController> recentTasksOptional,
		Optional<OneHandedController> oneHandedControllerOptional,
		Optional<HideDisplayCutoutController> hideDisplayCutoutControllerOptional,
		ActivityEmbeddingController activityEmbeddingOptional,
		Optional<ActivityEmbeddingController> activityEmbeddingOptional,
		Transitions transitions,
		StartingWindowController startingWindow,
		@ShellCreateTriggerOverride Optional<Object> overriddenCreateTrigger) {