Merge "Avoid lock inversion." into qt-qpr1-dev (f63047c0) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/power/batterysaver/BatterySaverStateMachine.java

+40 −27

Original line number	Diff line number	Diff line
		@@ -773,9 +773,9 @@ public class BatterySaverStateMachine {

		// Handle triggering the notification to show/hide when appropriate
		if (intReason == BatterySaverController.REASON_DYNAMIC_POWER_SAVINGS_AUTOMATIC_ON) {
		runOnBgThread(this::triggerDynamicModeNotification);
		triggerDynamicModeNotification();
		} else if (!enable) {
		runOnBgThread(this::hideDynamicModeNotification);
		hideDynamicModeNotification();
		}

		if (DEBUG) {
		@@ -787,20 +787,28 @@ public class BatterySaverStateMachine {

		@VisibleForTesting
		void triggerDynamicModeNotification() {
		// The current lock is the PowerManager lock, which sits very low in the service lock
		// hierarchy. We shouldn't call out to NotificationManager with the PowerManager lock.
		runOnBgThread(() -> {
		NotificationManager manager = mContext.getSystemService(NotificationManager.class);
		ensureNotificationChannelExists(manager, DYNAMIC_MODE_NOTIF_CHANNEL_ID,
		R.string.dynamic_mode_notification_channel_name);

		manager.notifyAsUser(TAG, DYNAMIC_MODE_NOTIFICATION_ID,
		buildNotification(DYNAMIC_MODE_NOTIF_CHANNEL_ID,
		mContext.getResources().getString(R.string.dynamic_mode_notification_title),
		mContext.getResources().getString(
		R.string.dynamic_mode_notification_title),
		R.string.dynamic_mode_notification_summary,
		Intent.ACTION_POWER_USAGE_SUMMARY),
		UserHandle.ALL);
		});
		}

		@VisibleForTesting
		void triggerStickyDisabledNotification() {
		// The current lock is the PowerManager lock, which sits very low in the service lock
		// hierarchy. We shouldn't call out to NotificationManager with the PowerManager lock.
		runOnBgThread(() -> {
		NotificationManager manager = mContext.getSystemService(NotificationManager.class);
		ensureNotificationChannelExists(manager, BATTERY_SAVER_NOTIF_CHANNEL_ID,
		R.string.battery_saver_notification_channel_name);
		@@ -814,6 +822,7 @@ public class BatterySaverStateMachine {
		R.string.battery_saver_off_notification_summary,
		Settings.ACTION_BATTERY_SAVER_SETTINGS),
		UserHandle.ALL);
		});
		}

		private void ensureNotificationChannelExists(NotificationManager manager,
		@@ -854,8 +863,12 @@ public class BatterySaverStateMachine {
		}

		private void hideNotification(int notificationId) {
		// The current lock is the PowerManager lock, which sits very low in the service lock
		// hierarchy. We shouldn't call out to NotificationManager with the PowerManager lock.
		runOnBgThread(() -> {
		NotificationManager manager = mContext.getSystemService(NotificationManager.class);
		manager.cancel(notificationId);
		manager.cancelAsUser(TAG, notificationId, UserHandle.ALL);
		});
		}

		private void setStickyActive(boolean active) {