Merge "Offer a NOTIFY_NO_DELAY flag for notifications." into rvc-dev am:... (c7d4dcad) · Commits · e / os / android_frameworks_base

core/java/android/content/ContentResolver.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -686,6 +686,19 @@ public abstract class ContentResolver implements ContentInterface {
		*/
		public static final int NOTIFY_DELETE = 1 << 4;

		/**
		* Flag for {@link #notifyChange(Uri, ContentObserver, int)}: typically set
		* by a {@link ContentProvider} to indicate that this notification should
		* not be subject to any delays when dispatching to apps running in the
		* background.
		* <p>
		* Using this flag may negatively impact system health and performance, and
		* should be used sparingly.
		*
		* @hide
		*/
		public static final int NOTIFY_NO_DELAY = 1 << 15;

		/**
		* No exception, throttled by app standby normally.
		* @hide

+2 −1

Original line number	Diff line number	Diff line
		@@ -569,9 +569,10 @@ public final class ContentService extends IContentService.Stub {
		// Immediately dispatch notifications to foreground apps that
		// are important to the user; all other background observers are
		// delayed to avoid stampeding
		final boolean noDelay = (key.flags & ContentResolver.NOTIFY_NO_DELAY) != 0;
		final int procState = LocalServices.getService(ActivityManagerInternal.class)
		.getUidProcessState(key.uid);
		if (procState <= ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND) {
		if (procState <= ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND \|\| noDelay) {
		task.run();
		} else {
		BackgroundThread.getHandler().postDelayed(task, BACKGROUND_OBSERVER_DELAY);