Merge "Re-land "Animate overivew actions view hiding on scroll."" into tm-dev (d9ddf6c1) · Commits · e / os / android_packages_apps_Trebuchet

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

+1 −3

Original line number	Diff line number	Diff line
		@@ -56,7 +56,6 @@ public class OverviewActionsView<T extends OverlayUICallbacks> extends FrameLayo
		HIDDEN_NON_ZERO_ROTATION,
		HIDDEN_NO_TASKS,
		HIDDEN_NO_RECENTS,
		HIDDEN_FOCUSED_SCROLL,
		HIDDEN_SPLIT_SCREEN})
		@Retention(RetentionPolicy.SOURCE)
		public @interface ActionsHiddenFlags { }
		@@ -64,8 +63,7 @@ public class OverviewActionsView<T extends OverlayUICallbacks> extends FrameLayo
		public static final int HIDDEN_NON_ZERO_ROTATION = 1 << 0;
		public static final int HIDDEN_NO_TASKS = 1 << 1;
		public static final int HIDDEN_NO_RECENTS = 1 << 2;
		public static final int HIDDEN_FOCUSED_SCROLL = 1 << 3;
		public static final int HIDDEN_SPLIT_SCREEN = 1 << 4;
		public static final int HIDDEN_SPLIT_SCREEN = 1 << 3;

		@IntDef(flag = true, value = {
		DISABLED_SCROLLING,

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

+33 −15

Original line number	Diff line number	Diff line
		@@ -378,6 +378,8 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
		// OverScroll constants
		private static final int OVERSCROLL_PAGE_SNAP_ANIMATION_DURATION = 270;

		private static final int DEFAULT_ACTIONS_VIEW_ALPHA_ANIMATION_DURATION = 300;

		private static final int DISMISS_TASK_DURATION = 300;
		private static final int ADDITION_TASK_DURATION = 200;
		private static final float INITIAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET = 0.55f;
		@@ -652,6 +654,8 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
		private TaskView mMovingTaskView;

		private OverviewActionsView mActionsView;
		private ObjectAnimator mActionsViewAlphaAnimator;
		private float mActionsViewAlphaAnimatorFinalValue;

		private MultiWindowModeChangedListener mMultiWindowModeChangedListener =
		new MultiWindowModeChangedListener() {
		@@ -1145,6 +1149,11 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
		return getScrollForPage(taskIndex) == getPagedOrientationHandler().getPrimaryScroll(this);
		}

		private boolean isFocusedTaskInExpectedScrollPosition() {
		TaskView focusedTask = getFocusedTaskView();
		return focusedTask != null && isTaskInExpectedScrollPosition(indexOfChild(focusedTask));
		}

		/**
		* Returns a {@link TaskView} that has taskId matching {@code taskId} or null if no match.
		*/
		@@ -1191,13 +1200,15 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
		@Override
		protected void onPageBeginTransition() {
		super.onPageBeginTransition();
		if (!mActivity.getDeviceProfile().isTablet) {
		mActionsView.updateDisabledFlags(OverviewActionsView.DISABLED_SCROLLING, true);
		}
		}

		@Override
		protected void onPageEndTransition() {
		super.onPageEndTransition();
		if (isClearAllHidden()) {
		if (isClearAllHidden() && !mActivity.getDeviceProfile().isTablet) {
		mActionsView.updateDisabledFlags(OverviewActionsView.DISABLED_SCROLLING, false);
		}
		if (getNextPage() > 0) {
		@@ -1808,16 +1819,24 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
		}

		private void updateActionsViewFocusedScroll() {
		boolean hiddenFocusedScroll;
		if (showAsGrid()) {
		TaskView focusedTaskView = getFocusedTaskView();
		hiddenFocusedScroll = focusedTaskView == null
		\|\| !isTaskInExpectedScrollPosition(indexOfChild(focusedTaskView));
		} else {
		hiddenFocusedScroll = false;
		float actionsViewAlphaValue = isFocusedTaskInExpectedScrollPosition() ? 1 : 0;
		// If animation is already in progress towards the same end value, do not restart.
		if (mActionsViewAlphaAnimator == null \|\| !mActionsViewAlphaAnimator.isStarted()
		\|\| (mActionsViewAlphaAnimator.isStarted()
		&& mActionsViewAlphaAnimatorFinalValue != actionsViewAlphaValue)) {
		animateActionsViewAlpha(actionsViewAlphaValue,
		DEFAULT_ACTIONS_VIEW_ALPHA_ANIMATION_DURATION);
		}
		}
		}
		mActionsView.updateHiddenFlags(OverviewActionsView.HIDDEN_FOCUSED_SCROLL,
		hiddenFocusedScroll);

		private void animateActionsViewAlpha(float alphaValue, long duration) {
		mActionsViewAlphaAnimator = ObjectAnimator.ofFloat(
		mActionsView.getVisibilityAlpha(), MultiValueAlpha.VALUE, alphaValue);
		mActionsViewAlphaAnimatorFinalValue = alphaValue;
		mActionsViewAlphaAnimator.setDuration(duration);
		mActionsViewAlphaAnimator.start();
		}

		/**
		@@ -2346,10 +2365,9 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
		}

		private void animateActionsViewIn() {
		ObjectAnimator anim = ObjectAnimator.ofFloat(
		mActionsView.getVisibilityAlpha(), MultiValueAlpha.VALUE, 0, 1);
		anim.setDuration(TaskView.SCALE_ICON_DURATION);
		anim.start();
		if (!showAsGrid() \|\| isFocusedTaskInExpectedScrollPosition()) {
		animateActionsViewAlpha(1, TaskView.SCALE_ICON_DURATION);
		}
		}

		public void animateUpTaskIconScale() {
		@@ -3292,7 +3310,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
		// Update various scroll-dependent UI.
		dispatchScrollChanged();
		updateActionsViewFocusedScroll();
		if (isClearAllHidden()) {
		if (isClearAllHidden() && !mActivity.getDeviceProfile().isTablet) {
		mActionsView.updateDisabledFlags(OverviewActionsView.DISABLED_SCROLLING,
		false);
		}