Merge "Limit the number of commands in OverviewCommandHelper" into tm-dev (c55c9488) · Commits · e / os / android_packages_apps_Trebuchet

quickstep/src/com/android/quickstep/OverviewCommandHelper.java

+12 −1

Original line number	Diff line number	Diff line
		@@ -54,6 +54,12 @@ public class OverviewCommandHelper {
		public static final int TYPE_TOGGLE = 4;
		public static final int TYPE_HOME = 5;

		/**
		* Use case for needing a queue is double tapping recents button in 3 button nav.
		* Size of 2 should be enough. We'll toss in one more because we're kind hearted.
		*/
		private final static int MAX_QUEUE_SIZE = 3;

		private static final String TRANSITION_NAME = "Transition:toOverview";

		private final TouchInteractionService mService;
		@@ -105,10 +111,15 @@ public class OverviewCommandHelper {
		}

		/**
		* Adds a command to be executed next, after all pending tasks are completed
		* Adds a command to be executed next, after all pending tasks are completed.
		* Max commands that can be queued is {@link #MAX_QUEUE_SIZE}.
		* Requests after reaching that limit will be silently dropped.
		*/
		@BinderThread
		public void addCommand(int type) {
		if (mPendingCommands.size() > MAX_QUEUE_SIZE) {
		return;
		}
		CommandInfo cmd = new CommandInfo(type);
		MAIN_EXECUTOR.execute(() -> addCommand(cmd));
		}