Merge "Treat two TaskFragment leashes as one for TASK_FRAGMENT_OPEN/CLOSE"... (a6a90c62) · Commits · e / os / android_frameworks_base

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

+119 −34

Original line number	Diff line number	Diff line
		@@ -16,7 +16,8 @@

		package androidx.window.extensions.embedding;

		import android.graphics.Point;
		import static android.graphics.Matrix.MSCALE_X;

		import android.graphics.Rect;
		import android.view.Choreographer;
		import android.view.RemoteAnimationTarget;
		@@ -25,58 +26,151 @@ import android.view.animation.Animation;
		import android.view.animation.Transformation;

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

		/**
		* Wrapper to handle the TaskFragment animation update in one {@link SurfaceControl.Transaction}.
		*
		* The base adapter can be used for {@link RemoteAnimationTarget} that is simple open/close.
		*/
		class TaskFragmentAnimationAdapter {
		private final Animation mAnimation;
		private final RemoteAnimationTarget mTarget;
		private final SurfaceControl mLeash;
		private final boolean mSizeChanged;
		private final Point mPosition;
		private final Transformation mTransformation = new Transformation();
		private final float[] mMatrix = new float[9];
		private final float[] mVecs = new float[4];
		private final Rect mRect = new Rect();
		final Animation mAnimation;
		final RemoteAnimationTarget mTarget;
		final SurfaceControl mLeash;

		final Transformation mTransformation = new Transformation();
		final float[] mMatrix = new float[9];
		private boolean mIsFirstFrame = true;

		TaskFragmentAnimationAdapter(@NonNull Animation animation,
		@NonNull RemoteAnimationTarget target) {
		this(animation, target, target.leash, false /* sizeChanged /, null / position */);
		this(animation, target, target.leash);
		}

		/**
		* @param sizeChanged whether the surface size needs to be changed.
		* @param leash the surface to animate.
		*/
		TaskFragmentAnimationAdapter(@NonNull Animation animation,
		@NonNull RemoteAnimationTarget target, @NonNull SurfaceControl leash,
		boolean sizeChanged, @Nullable Point position) {
		@NonNull RemoteAnimationTarget target, @NonNull SurfaceControl leash) {
		mAnimation = animation;
		mTarget = target;
		mLeash = leash;
		mSizeChanged = sizeChanged;
		mPosition = position != null
		? position
		: new Point(target.localBounds.left, target.localBounds.top);
		}

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

		currentPlayTime = Math.min(currentPlayTime, mAnimation.getDuration());
		mAnimation.getTransformation(currentPlayTime, mTransformation);
		mTransformation.getMatrix().postTranslate(mPosition.x, mPosition.y);
		// 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) {
		mTransformation.getMatrix().postTranslate(
		mTarget.localBounds.left, mTarget.localBounds.top);
		t.setMatrix(mLeash, mTransformation.getMatrix(), mMatrix);
		t.setAlpha(mLeash, mTransformation.getAlpha());
		}

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

		final long getDurationHint() {
		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.
		*/
		static class SnapshotAdapter extends TaskFragmentAnimationAdapter {

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

		@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());
		}
		}

		/**
		* Should be used for the animation of the {@link RemoteAnimationTarget} that has size change.
		*/
		static class BoundsChangeAdapter extends TaskFragmentAnimationAdapter {
		private final float[] mVecs = new float[4];
		private final Rect mRect = new Rect();

		BoundsChangeAdapter(@NonNull Animation animation, @NonNull RemoteAnimationTarget target) {
		super(animation, target);
		}

		@Override
		void onAnimationUpdateInner(@NonNull SurfaceControl.Transaction t) {
		mTransformation.getMatrix().postTranslate(
		mTarget.localBounds.left, mTarget.localBounds.top);
		t.setMatrix(mLeash, mTransformation.getMatrix(), mMatrix);
		t.setAlpha(mLeash, mTransformation.getAlpha());
		t.setFrameTimelineVsync(Choreographer.getInstance().getVsyncId());

		if (mSizeChanged) {
		// 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;
		@@ -92,13 +186,4 @@ class TaskFragmentAnimationAdapter {
		t.setWindowCrop(mLeash, mRect);
		}
		}

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

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

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

+0 −1

Original line number	Diff line number	Diff line
		@@ -29,7 +29,6 @@ import android.window.TaskFragmentOrganizer;
		class TaskFragmentAnimationController {

		private static final String TAG = "TaskFragAnimationCtrl";
		// TODO(b/196173550) turn off when finalize
		static final boolean DEBUG = false;

		private final TaskFragmentOrganizer mOrganizer;

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

+63 −18

Original line number	Diff line number	Diff line
		@@ -23,7 +23,7 @@ import static android.view.WindowManager.TRANSIT_OLD_TASK_FRAGMENT_OPEN;

		import android.animation.Animator;
		import android.animation.ValueAnimator;
		import android.graphics.Point;
		import android.graphics.Rect;
		import android.os.Handler;
		import android.os.Looper;
		import android.os.RemoteException;
		@@ -40,6 +40,7 @@ import androidx.annotation.Nullable;

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

		/** To run the TaskFragment animations. */
		class TaskFragmentAnimationRunner extends IRemoteAnimationRunner.Stub {
		@@ -167,42 +168,86 @@ class TaskFragmentAnimationRunner extends IRemoteAnimationRunner.Stub {

		private List<TaskFragmentAnimationAdapter> createOpenAnimationAdapters(
		@NonNull RemoteAnimationTarget[] targets) {
		final List<TaskFragmentAnimationAdapter> adapters = new ArrayList<>();
		for (RemoteAnimationTarget target : targets) {
		final Animation animation =
		mAnimationSpec.loadOpenAnimation(target.mode != MODE_CLOSING /* isEnter */);
		adapters.add(new TaskFragmentAnimationAdapter(animation, target));
		}
		return adapters;
		return createOpenCloseAnimationAdapters(targets,
		mAnimationSpec::loadOpenAnimation);
		}

		private List<TaskFragmentAnimationAdapter> createCloseAnimationAdapters(
		@NonNull RemoteAnimationTarget[] targets) {
		final List<TaskFragmentAnimationAdapter> adapters = new ArrayList<>();
		return createOpenCloseAnimationAdapters(targets,
		mAnimationSpec::loadCloseAnimation);
		}

		private List<TaskFragmentAnimationAdapter> createOpenCloseAnimationAdapters(
		@NonNull RemoteAnimationTarget[] targets,
		@NonNull BiFunction<RemoteAnimationTarget, Rect, Animation> animationProvider) {
		// We need to know if the target 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<RemoteAnimationTarget> openingTargets = new ArrayList<>();
		final List<RemoteAnimationTarget> closingTargets = new ArrayList<>();
		final Rect openingWholeScreenBounds = new Rect();
		final Rect closingWholeScreenBounds = new Rect();
		for (RemoteAnimationTarget target : targets) {
		final Animation animation =
		mAnimationSpec.loadCloseAnimation(target.mode != MODE_CLOSING /* isEnter */);
		adapters.add(new TaskFragmentAnimationAdapter(animation, target));
		if (target.mode != MODE_CLOSING) {
		openingTargets.add(target);
		openingWholeScreenBounds.union(target.localBounds);
		} else {
		closingTargets.add(target);
		closingWholeScreenBounds.union(target.localBounds);
		}
		}

		final List<TaskFragmentAnimationAdapter> adapters = new ArrayList<>();
		for (RemoteAnimationTarget target : openingTargets) {
		adapters.add(createOpenCloseAnimationAdapter(target, animationProvider,
		openingWholeScreenBounds));
		}
		for (RemoteAnimationTarget target : closingTargets) {
		adapters.add(createOpenCloseAnimationAdapter(target, animationProvider,
		closingWholeScreenBounds));
		}
		return adapters;
		}

		private TaskFragmentAnimationAdapter createOpenCloseAnimationAdapter(
		@NonNull RemoteAnimationTarget target,
		@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);
		}

		private List<TaskFragmentAnimationAdapter> createChangeAnimationAdapters(
		@NonNull RemoteAnimationTarget[] targets) {
		final List<TaskFragmentAnimationAdapter> adapters = new ArrayList<>();
		for (RemoteAnimationTarget target : targets) {
		if (target.startBounds != null) {
		// This is the target with bounds change.
		final Animation[] animations =
		mAnimationSpec.createChangeBoundsChangeAnimations(target);
		// The snapshot surface will always be at (0, 0) of its parent.
		adapters.add(new TaskFragmentAnimationAdapter(animations[0], target,
		target.startLeash, false /* sizeChanged */, new Point(0, 0)));
		// The end surface will have size change for scaling.
		adapters.add(new TaskFragmentAnimationAdapter(animations[1], target,
		target.leash, true /* sizeChanged /, null / position */));
		// Adapter for the starting snapshot leash.
		adapters.add(new TaskFragmentAnimationAdapter.SnapshotAdapter(
		animations[0], target));
		// Adapter for the ending bounds changed leash.
		adapters.add(new TaskFragmentAnimationAdapter.BoundsChangeAdapter(
		animations[1], target));
		continue;
		}

		// These are the other targets that don't have bounds change in the same transition.
		final Animation animation;
		if (target.hasAnimatingParent) {
		// No-op if it will be covered by the changing parent window.

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

+16 −6

Original line number	Diff line number	Diff line
		@@ -176,18 +176,28 @@ class TaskFragmentAnimationSpec {
		return new Animation[]{startSet, endSet};
		}

		Animation loadOpenAnimation(boolean isEnter) {
		// TODO(b/196173550) We need to customize the animation to handle two open window as one.
		return mTransitionAnimation.loadDefaultAnimationAttr(isEnter
		Animation loadOpenAnimation(@NonNull RemoteAnimationTarget target,
		@NonNull Rect wholeAnimationBounds) {
		final boolean isEnter = target.mode != MODE_CLOSING;
		final Animation animation = mTransitionAnimation.loadDefaultAnimationAttr(isEnter
		? R.styleable.WindowAnimation_activityOpenEnterAnimation
		: R.styleable.WindowAnimation_activityOpenExitAnimation);
		animation.initialize(target.localBounds.width(), target.localBounds.height(),
		wholeAnimationBounds.width(), wholeAnimationBounds.height());
		animation.scaleCurrentDuration(mTransitionAnimationScaleSetting);
		return animation;
		}

		Animation loadCloseAnimation(boolean isEnter) {
		// TODO(b/196173550) We need to customize the animation to handle two open window as one.
		return mTransitionAnimation.loadDefaultAnimationAttr(isEnter
		Animation loadCloseAnimation(@NonNull RemoteAnimationTarget target,
		@NonNull Rect wholeAnimationBounds) {
		final boolean isEnter = target.mode != MODE_CLOSING;
		final Animation animation = mTransitionAnimation.loadDefaultAnimationAttr(isEnter
		? R.styleable.WindowAnimation_activityCloseEnterAnimation
		: R.styleable.WindowAnimation_activityCloseExitAnimation);
		animation.initialize(target.localBounds.width(), target.localBounds.height(),
		wholeAnimationBounds.width(), wholeAnimationBounds.height());
		animation.scaleCurrentDuration(mTransitionAnimationScaleSetting);
		return animation;
		}

		private class SettingsObserver extends ContentObserver {