2D Recents: polish the app -> recents transition am: fc6ac0a78a (529ced99) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java

+6 −3

Original line number	Diff line number	Diff line
		@@ -745,7 +745,11 @@ public class RecentsImpl implements ActivityOptions.OnAnimationFinishedListener
		Task toTask = new Task();
		TaskViewTransform toTransform = getThumbnailTransitionTransform(stackView, toTask,
		windowOverrideRect);
		Bitmap thumbnail = drawThumbnailTransitionBitmap(toTask, toTransform,
		// When using a grid layout, the header is already visible on screen at the target
		// location, making it unnecessary to draw it in the transition thumbnail.
		Bitmap thumbnail = stackView.useGridLayout()
		? mThumbTransitionBitmapCache.createAshmemBitmap()
		: drawThumbnailTransitionBitmap(toTask, toTransform,
		mThumbTransitionBitmapCache);
		if (thumbnail != null) {
		RectF toTaskRect = toTransform.rect;
		@@ -777,7 +781,6 @@ public class RecentsImpl implements ActivityOptions.OnAnimationFinishedListener
		// Get the transform for the running task
		stackView.updateLayoutAlgorithm(true /* boundScroll */);
		stackView.updateToInitialState();
		boolean isInSplitScreen = Recents.getSystemServices().hasDockedTask();
		stackView.getStackAlgorithm().getStackTransformScreenCoordinates(launchTask,
		stackView.getScroller().getStackScroll(), mTmpTransform, null, windowOverrideRect);
		return mTmpTransform;

packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java

+17 −1

Original line number	Diff line number	Diff line
		@@ -291,6 +291,9 @@ public class TaskStackLayoutAlgorithm {
		@ViewDebug.ExportedProperty(category="recents")
		private int mStackBottomOffset;

		/** The height, in pixels, of each task view's title bar. */
		private int mTitleBarHeight;

		// The paths defining the motion of the tasks when the stack is focused and unfocused
		private Path mUnfocusedCurve;
		private Path mFocusedCurve;
		@@ -403,6 +406,14 @@ public class TaskStackLayoutAlgorithm {
		mBaseBottomMargin = res.getDimensionPixelSize(R.dimen.recents_layout_bottom_margin);
		mFreeformStackGap =
		res.getDimensionPixelSize(R.dimen.recents_freeform_layout_bottom_margin);
		mTitleBarHeight = getDimensionForDevice(mContext,
		R.dimen.recents_task_view_header_height,
		R.dimen.recents_task_view_header_height,
		R.dimen.recents_task_view_header_height,
		R.dimen.recents_task_view_header_height_tablet_land,
		R.dimen.recents_task_view_header_height,
		R.dimen.recents_task_view_header_height_tablet_land,
		R.dimen.recents_grid_task_view_header_height);
		}

		/**
		@@ -903,12 +914,17 @@ public class TaskStackLayoutAlgorithm {
		* Transforms the given {@param transformOut} to the screen coordinates, overriding the current
		* window rectangle with {@param windowOverrideRect} if non-null.
		*/
		public TaskViewTransform transformToScreenCoordinates(TaskViewTransform transformOut,
		TaskViewTransform transformToScreenCoordinates(TaskViewTransform transformOut,
		Rect windowOverrideRect) {
		Rect windowRect = windowOverrideRect != null
		? windowOverrideRect
		: Recents.getSystemServices().getWindowRect();
		transformOut.rect.offset(windowRect.left, windowRect.top);
		if (useGridLayout()) {
		// Draw the thumbnail a little lower to perfectly coincide with the view we are
		// transitioning to, where the header bar has already been drawn.
		transformOut.rect.offset(0, mTitleBarHeight);
		}
		return transformOut;
		}