Add some synchronization to hotspot callbacks (ffc63f45) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/statusbar/policy/HotspotControllerImpl.java

+14 −8

Original line number	Diff line number	Diff line
		@@ -69,19 +69,23 @@ public class HotspotControllerImpl implements HotspotController {

		@Override
		public void addCallback(Callback callback) {
		synchronized (mCallbacks) {
		if (callback == null \|\| mCallbacks.contains(callback)) return;
		if (DEBUG) Log.d(TAG, "addCallback " + callback);
		mCallbacks.add(callback);
		mReceiver.setListening(!mCallbacks.isEmpty());
		}
		}

		@Override
		public void removeCallback(Callback callback) {
		if (callback == null) return;
		if (DEBUG) Log.d(TAG, "removeCallback " + callback);
		synchronized (mCallbacks) {
		mCallbacks.remove(callback);
		mReceiver.setListening(!mCallbacks.isEmpty());
		}
		}

		@Override
		public boolean isHotspotEnabled() {
		@@ -110,10 +114,12 @@ public class HotspotControllerImpl implements HotspotController {
		}

		private void fireCallback(boolean isEnabled) {
		synchronized (mCallbacks) {
		for (Callback callback : mCallbacks) {
		callback.onHotspotChanged(isEnabled);
		}
		}
		}

		private final class Receiver extends BroadcastReceiver {
		private boolean mRegistered;