Move focused task to front when attaching RecentsView (86ac8250) · Commits · e / os / android_packages_apps_Trebuchet

quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java

+15 −3

Original line number	Diff line number	Diff line
		@@ -539,7 +539,7 @@ public abstract class AbsSwipeUpHandler<T extends StatefulActivity<S>,
		@Override
		public void onMotionPauseDetected() {
		mHasMotionEverBeenPaused = true;
		maybeUpdateRecentsAttachedState();
		maybeUpdateRecentsAttachedState(true/* animate /, true/ moveFocusedTask */);
		performHapticFeedback();
		}

		@@ -550,18 +550,24 @@ public abstract class AbsSwipeUpHandler<T extends StatefulActivity<S>,
		};
		}

		public void maybeUpdateRecentsAttachedState() {
		private void maybeUpdateRecentsAttachedState() {
		maybeUpdateRecentsAttachedState(true /* animate */);
		}

		private void maybeUpdateRecentsAttachedState(boolean animate) {
		maybeUpdateRecentsAttachedState(animate, false /* moveFocusedTask */);
		}

		/**
		* Determines whether to show or hide RecentsView. The window is always
		* synchronized with its corresponding TaskView in RecentsView, so if
		* RecentsView is shown, it will appear to be attached to the window.
		*
		* Note this method has no effect unless the navigation mode is NO_BUTTON.
		* @param animate whether to animate when attaching RecentsView
		* @param moveFocusedTask whether to move focused task to front when attaching
		*/
		private void maybeUpdateRecentsAttachedState(boolean animate) {
		private void maybeUpdateRecentsAttachedState(boolean animate, boolean moveFocusedTask) {
		if (!mDeviceState.isFullyGesturalNavMode() \|\| mRecentsView == null) {
		return;
		}
		@@ -580,6 +586,12 @@ public abstract class AbsSwipeUpHandler<T extends StatefulActivity<S>,
		} else {
		recentsAttachedToAppWindow = mHasMotionEverBeenPaused \|\| mIsLikelyToStartNewTask;
		}
		if (moveFocusedTask && !mAnimationFactory.hasRecentsEverAttachedToAppWindow()
		&& recentsAttachedToAppWindow) {
		// Only move focused task if RecentsView has never been attached before, to avoid
		// TaskView jumping to new position as we move the tasks.
		mRecentsView.moveFocusedTaskToFront();
		}
		mAnimationFactory.setRecentsAttachedToAppWindow(recentsAttachedToAppWindow, animate);

		// Reapply window transform throughout the attach animation, as the animation affects how

quickstep/src/com/android/quickstep/BaseActivityInterface.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -396,6 +396,10 @@ public abstract class BaseActivityInterface<STATE_TYPE extends BaseState<STATE_T
		default boolean isRecentsAttachedToAppWindow() {
		return false;
		}

		default boolean hasRecentsEverAttachedToAppWindow() {
		return false;
		}
		}

		class DefaultAnimationFactory implements AnimationFactory {
		@@ -405,6 +409,7 @@ public abstract class BaseActivityInterface<STATE_TYPE extends BaseState<STATE_T
		private final Consumer<AnimatorControllerWithResistance> mCallback;

		private boolean mIsAttachedToWindow;
		private boolean mHasEverAttachedToWindow;

		DefaultAnimationFactory(Consumer<AnimatorControllerWithResistance> callback) {
		mCallback = callback;
		@@ -458,6 +463,9 @@ public abstract class BaseActivityInterface<STATE_TYPE extends BaseState<STATE_T
		}
		mIsAttachedToWindow = attached;
		RecentsView recentsView = mActivity.getOverviewPanel();
		if (attached) {
		mHasEverAttachedToWindow = true;
		}
		Animator fadeAnim = mActivity.getStateManager()
		.createStateElementAnimation(INDEX_RECENTS_FADE_ANIM, attached ? 1 : 0);

		@@ -487,6 +495,11 @@ public abstract class BaseActivityInterface<STATE_TYPE extends BaseState<STATE_T
		return mIsAttachedToWindow;
		}

		@Override
		public boolean hasRecentsEverAttachedToAppWindow() {
		return mHasEverAttachedToWindow;
		}

		protected void createBackgroundToOverviewAnim(ACTIVITY_TYPE activity, PendingAnimation pa) {
		// Scale down recents from being full screen to being in overview.
		RecentsView recentsView = activity.getOverviewPanel();

quickstep/src/com/android/quickstep/views/RecentsView.java

+29 −0

Original line number	Diff line number	Diff line
		@@ -1111,6 +1111,35 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
		}
		}

		/**
		* Moves the focused task to the front of the carousel in tablets, to minimize animation
		* required to focus the task in grid.
		*/
		public void moveFocusedTaskToFront() {
		if (!(mActivity.getDeviceProfile().isTablet && FeatureFlags.ENABLE_OVERVIEW_GRID.get())) {
		return;
		}

		TaskView focusedTaskView = getFocusedTaskView();
		if (focusedTaskView == null) {
		return;
		}

		if (indexOfChild(focusedTaskView) != mCurrentPage) {
		return;
		}

		int primaryScroll = mOrientationHandler.getPrimaryScroll(this);
		int currentPageScroll = getScrollForPage(mCurrentPage);
		mCurrentPageScrollDiff = primaryScroll - currentPageScroll;

		removeView(focusedTaskView);
		addView(focusedTaskView, mTaskViewStartIndex);
		setCurrentPage(0);

		updateGridProperties();
		}

		protected void applyLoadPlan(ArrayList<Task> tasks) {
		if (mPendingAnimation != null) {
		mPendingAnimation.addEndListener(success -> applyLoadPlan(tasks));