Fixing animation when dismissing certain tasks. (d6c3db5e) · Commits · e / os / android_frameworks_base

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

+2 −2

Original line number	Diff line number	Diff line
		@@ -296,8 +296,8 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal
		if (transform.t < 0) {
		mTmpTransform = mStackAlgorithm.getStackTransform(tasks.get(0), stackScroll, mTmpTransform);
		} else {
		mTmpTransform = mStackAlgorithm.getStackTransform(tasks.get(Math.min(tasks.size() - 1, visibleRange[0] + 1)),
		stackScroll, mTmpTransform);
		int nextTaskStackScroll = mStackAlgorithm.getStackScrollForTaskIndex(task, 1);
		mStackAlgorithm.getStackTransform(nextTaskStackScroll, stackScroll, mTmpTransform);
		}
		tv.updateViewPropertiesToTaskTransform(mTmpTransform, 0);
		}

+15 −3

Original line number	Diff line number	Diff line
		@@ -103,12 +103,16 @@ public class TaskStackViewLayoutAlgorithm {
		transformOut.reset();
		return transformOut;
		}
		return getStackTransform(getStackScrollForTaskIndex(task), stackScroll, transformOut);
		}

		/** Update/get the transform */
		public TaskViewTransform getStackTransform(int taskStackScroll, int stackScroll, TaskViewTransform transformOut) {
		// Map the items to an continuous position relative to the specified scroll
		int numPeekCards = StackPeekNumCards;
		float overlapHeight = StackOverlapPct * mTaskRect.height();
		float peekHeight = StackPeekHeightPct * mStackRect.height();
		float t = (getStackScrollForTaskIndex(task) - stackScroll) / overlapHeight;
		float t = (taskStackScroll - stackScroll) / overlapHeight;
		float boundedT = Math.max(t, -(numPeekCards + 1));

		// Set the scale relative to its position
		@@ -168,6 +172,14 @@ public class TaskStackViewLayoutAlgorithm {
		return mTaskOffsetMap.get(t.key);
		}

		/**
		* Returns the scroll to such that the task transform at that task + index will have t=0.
		* (If the scroll is not bounded)
		*/
		int getStackScrollForTaskIndex(Task t, int relativeIndexOffset) {
		return mTaskOffsetMap.get(t.key) + (int) (relativeIndexOffset * getTaskOverlapHeight());
		}

		/**
		* Updates the cache of tasks to offsets.
		*/