Shift only tasks within current grid row upon task dismissal. (5921dd65) · Commits · e / os / android_packages_apps_Trebuchet

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

+14 −4

Original line number	Diff line number	Diff line
		@@ -355,6 +355,8 @@ public abstract class RecentsView<T extends StatefulActivity> extends PagedView
		// The GestureEndTarget that is still in progress.
		private GestureState.GestureEndTarget mCurrentGestureEndTarget;

		IntSet mTopIdSet = new IntSet();

		/**
		* TODO: Call reloadIdNeeded in onTaskStackChanged.
		*/
		@@ -1201,7 +1203,7 @@ public abstract class RecentsView<T extends StatefulActivity> extends PagedView
		fullscreenTranslations[i] - fullscreenTranslations[firstNonHomeTaskIndex]);
		}

		updateGridProperties();
		updateGridProperties(false);
		}

		public void getTaskSize(Rect outRect) {
		@@ -1674,7 +1676,7 @@ public abstract class RecentsView<T extends StatefulActivity> extends PagedView
		* This method only calculates the potential position and depends on {@link #setGridProgress} to
		* apply the actual scaling and translation.
		*/
		private void updateGridProperties() {
		private void updateGridProperties(boolean isTaskDismissal) {
		int taskCount = getTaskViewCount();
		if (taskCount == 0) {
		return;
		@@ -1690,6 +1692,10 @@ public abstract class RecentsView<T extends StatefulActivity> extends PagedView
		IntSet bottomSet = new IntSet();
		float[] gridTranslations = new float[taskCount];
		int firstNonHomeTaskIndex = 0;

		if (!isTaskDismissal) {
		mTopIdSet.clear();
		}
		for (int i = 0; i < taskCount; i++) {
		TaskView taskView = getTaskViewAt(i);
		if (isHomeTask(taskView)) {
		@@ -1699,10 +1705,14 @@ public abstract class RecentsView<T extends StatefulActivity> extends PagedView
		continue;
		}

		if (topRowWidth <= bottomRowWidth) {
		// Evenly distribute tasks between rows unless rearranging due to task dismissal, in
		// which case keep tasks in their respective rows.
		if ((!isTaskDismissal && topRowWidth <= bottomRowWidth) \|\| (isTaskDismissal && mTopIdSet
		.contains(taskView.getTask().key.id))) {
		gridTranslations[i] += topAccumulatedTranslationX;
		topRowWidth += taskView.getLayoutParams().width + mPageSpacing;
		topSet.add(i);
		mTopIdSet.add(taskView.getTask().key.id);

		taskView.setGridTranslationY(0);

		@@ -2066,7 +2076,7 @@ public abstract class RecentsView<T extends StatefulActivity> extends PagedView
		} else {
		snapToPageImmediately(pageToSnapTo);
		// Grid got messed up, reapply.
		updateGridProperties();
		updateGridProperties(true);
		}
		// Update the layout synchronously so that the position of next view is
		// immediately available.