Merge "Update ActivityEmbedding split open/close animation adapter for legacy"... (5956628e) · Commits · e / os / android_frameworks_base

libs/WindowManager/Jetpack/src/androidx/window/extensions/embedding/TaskFragmentAnimationAdapter.java

+37 −61

Original line number	Diff line number	Diff line
		@@ -16,7 +16,6 @@

		package androidx.window.extensions.embedding;

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

		@@ -41,30 +40,44 @@ class TaskFragmentAnimationAdapter {
		*/
		private static final int LAYER_NO_OVERRIDE = -1;

		@NonNull
		final Animation mAnimation;
		@NonNull
		final RemoteAnimationTarget mTarget;
		@NonNull
		final SurfaceControl mLeash;
		/** Area in absolute coordinate that the animation surface shouldn't go beyond. */
		@NonNull
		private final Rect mWholeAnimationBounds = new Rect();

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

		TaskFragmentAnimationAdapter(@NonNull Animation animation,
		@NonNull RemoteAnimationTarget target) {
		this(animation, target, target.leash);
		this(animation, target, target.leash, target.screenSpaceBounds);
		}

		/**
		* @param leash the surface to animate.
		* @param wholeAnimationBounds area in absolute coordinate that the animation surface shouldn't
		* go beyond.
		*/
		TaskFragmentAnimationAdapter(@NonNull Animation animation,
		@NonNull RemoteAnimationTarget target, @NonNull SurfaceControl leash) {
		@NonNull RemoteAnimationTarget target, @NonNull SurfaceControl leash,
		@NonNull Rect wholeAnimationBounds) {
		mAnimation = animation;
		mTarget = target;
		mLeash = leash;
		mWholeAnimationBounds.set(wholeAnimationBounds);
		}

		/**
		@@ -94,23 +107,32 @@ class TaskFragmentAnimationAdapter {

		/** To be overridden by subclasses to adjust the animation surface change. */
		void onAnimationUpdateInner(@NonNull SurfaceControl.Transaction t) {
		// Update the surface position and alpha.
		mTransformation.getMatrix().postTranslate(
		mTarget.localBounds.left, mTarget.localBounds.top);
		t.setMatrix(mLeash, mTransformation.getMatrix(), mMatrix);
		t.setAlpha(mLeash, mTransformation.getAlpha());
		// Get current animation position.

		// Get current surface bounds in absolute coordinate.
		// positionX/Y are in local coordinate, so minus the local offset to get the slide amount.
		final int positionX = Math.round(mMatrix[MTRANS_X]);
		final int positionY = Math.round(mMatrix[MTRANS_Y]);
		// The exiting surface starts at position: mTarget.localBounds 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 = mTarget.localBounds.left - positionX;
		final int cropOffsetY = mTarget.localBounds.top - positionY;
		final Rect cropRect = new Rect();
		cropRect.set(mTarget.localBounds);
		// Because window crop uses absolute position.
		cropRect.offsetTo(0, 0);
		cropRect.offset(cropOffsetX, cropOffsetY);
		final Rect cropRect = new Rect(mTarget.screenSpaceBounds);
		final Rect localBounds = mTarget.localBounds;
		cropRect.offset(positionX - localBounds.left, positionY - localBounds.top);

		// Store the current offset of the surface top left from (0,0) in absolute coordinate.
		final int offsetX = cropRect.left;
		final int offsetY = cropRect.top;

		// Intersect to make sure the animation happens within the whole animation bounds.
		if (!cropRect.intersect(mWholeAnimationBounds)) {
		// Hide the surface when it is outside of the animation area.
		t.setAlpha(mLeash, 0);
		}

		// cropRect is in absolute coordinate, so we need to translate it to surface top left.
		cropRect.offset(-offsetX, -offsetY);
		t.setCrop(mLeash, cropRect);
		}

		@@ -123,52 +145,6 @@ class TaskFragmentAnimationAdapter {
		return mAnimation.computeDurationHint();
		}

		/**
		* Should be used when the {@link RemoteAnimationTarget} is in split with others, and want 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 TaskFragmentAnimationAdapter {
		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 RemoteAnimationTarget target,
		boolean isLeftHalf, int wholeAnimationWidth) {
		super(animation, target);
		mIsLeftHalf = isLeftHalf;
		mWholeAnimationWidth = wholeAnimationWidth;
		if (wholeAnimationWidth == 0) {
		throw new IllegalArgumentException("SplitAdapter must provide wholeAnimationWidth");
		}
		}

		@Override
		void onAnimationUpdateInner(@NonNull SurfaceControl.Transaction t) {
		float posX = mTarget.localBounds.left;
		final float posY = mTarget.localBounds.top;
		// 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 targetWidth = mTarget.localBounds.width();
		final float scaleX = mMatrix[MSCALE_X];
		final float totalOffset = mWholeAnimationWidth * (1 - scaleX) / 2;
		final float curOffset = targetWidth * (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 RemoteAnimationTarget} that has
		* size change.
		@@ -177,7 +153,7 @@ class TaskFragmentAnimationAdapter {

		SnapshotAdapter(@NonNull Animation animation, @NonNull RemoteAnimationTarget target) {
		// Start leash is the snapshot of the starting surface.
		super(animation, target, target.startLeash);
		super(animation, target, target.startLeash, target.screenSpaceBounds);
		}

		@Override

libs/WindowManager/Jetpack/src/androidx/window/extensions/embedding/TaskFragmentAnimationRunner.java

+4 −16

Original line number	Diff line number	Diff line
		@@ -213,10 +213,10 @@ class TaskFragmentAnimationRunner extends IRemoteAnimationRunner.Stub {
		for (RemoteAnimationTarget target : targets) {
		if (target.mode != MODE_CLOSING) {
		openingTargets.add(target);
		openingWholeScreenBounds.union(target.localBounds);
		openingWholeScreenBounds.union(target.screenSpaceBounds);
		} else {
		closingTargets.add(target);
		closingWholeScreenBounds.union(target.localBounds);
		closingWholeScreenBounds.union(target.screenSpaceBounds);
		}
		}

		@@ -249,20 +249,8 @@ class TaskFragmentAnimationRunner extends IRemoteAnimationRunner.Stub {
		@NonNull BiFunction<RemoteAnimationTarget, Rect, Animation> animationProvider,
		@NonNull Rect wholeAnimationBounds) {
		final Animation animation = animationProvider.apply(target, wholeAnimationBounds);
		final Rect targetBounds = target.localBounds;
		if (targetBounds.left == wholeAnimationBounds.left
		&& targetBounds.right != wholeAnimationBounds.right) {
		// This is the left split of the whole animation window.
		return new TaskFragmentAnimationAdapter.SplitAdapter(animation, target,
		true /* isLeftHalf */, wholeAnimationBounds.width());
		} else if (targetBounds.left != wholeAnimationBounds.left
		&& targetBounds.right == wholeAnimationBounds.right) {
		// This is the right split of the whole animation window.
		return new TaskFragmentAnimationAdapter.SplitAdapter(animation, target,
		false /* isLeftHalf */, wholeAnimationBounds.width());
		}
		// Open/close window that fills the whole animation.
		return new TaskFragmentAnimationAdapter(animation, target);
		return new TaskFragmentAnimationAdapter(animation, target, target.leash,
		wholeAnimationBounds);
		}

		@NonNull

libs/WindowManager/Jetpack/src/androidx/window/extensions/embedding/TaskFragmentAnimationSpec.java

+8 −2

Original line number	Diff line number	Diff line
		@@ -195,7 +195,10 @@ class TaskFragmentAnimationSpec {
		? com.android.internal.R.anim.task_fragment_open_enter
		: com.android.internal.R.anim.task_fragment_open_exit);
		}
		animation.initialize(target.localBounds.width(), target.localBounds.height(),
		// Use the whole animation bounds instead of the change bounds, so that when multiple change
		// targets are opening at the same time, the animation applied to each will be the same.
		// Otherwise, we may see gap between the activities that are launching together.
		animation.initialize(wholeAnimationBounds.width(), wholeAnimationBounds.height(),
		wholeAnimationBounds.width(), wholeAnimationBounds.height());
		animation.scaleCurrentDuration(mTransitionAnimationScaleSetting);
		return animation;
		@@ -215,7 +218,10 @@ class TaskFragmentAnimationSpec {
		? com.android.internal.R.anim.task_fragment_close_enter
		: com.android.internal.R.anim.task_fragment_close_exit);
		}
		animation.initialize(target.localBounds.width(), target.localBounds.height(),
		// Use the whole animation bounds instead of the change bounds, so that when multiple change
		// targets are closing at the same time, the animation applied to each will be the same.
		// Otherwise, we may see gap between the activities that are finishing together.
		animation.initialize(wholeAnimationBounds.width(), wholeAnimationBounds.height(),
		wholeAnimationBounds.width(), wholeAnimationBounds.height());
		animation.scaleCurrentDuration(mTransitionAnimationScaleSetting);
		return animation;