Merge "Alarm: Add one more RTC alarm type for poweroff alarm." (e47ca644) · Commits · e / os / android_frameworks_base

core/java/android/app/AlarmManager.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -93,6 +93,12 @@ public class AlarmManager
		* wakes up.
		*/
		public static final int ELAPSED_REALTIME = 3;
		/** @hide
		* Alarm time in {@link System#currentTimeMillis System.currentTimeMillis()}
		* (wall clock time in UTC), which will wake up the device when
		* it goes off. And it will power on the devices when it shuts down.
		*/
		public static final int RTC_POWEROFF_WAKEUP = 4;

		/** @hide */
		public static final long WINDOW_EXACT = 0;

services/java/com/android/server/AlarmManagerService.java

+38 −5

Original line number	Diff line number	Diff line
		@@ -63,6 +63,7 @@ import static android.app.AlarmManager.RTC_WAKEUP;
		import static android.app.AlarmManager.RTC;
		import static android.app.AlarmManager.ELAPSED_REALTIME_WAKEUP;
		import static android.app.AlarmManager.ELAPSED_REALTIME;
		import static android.app.AlarmManager.RTC_POWEROFF_WAKEUP;

		import com.android.internal.util.LocalLog;

		@@ -75,6 +76,7 @@ class AlarmManagerService extends IAlarmManager.Stub {
		private static final int RTC_MASK = 1 << RTC;
		private static final int ELAPSED_REALTIME_WAKEUP_MASK = 1 << ELAPSED_REALTIME_WAKEUP;
		private static final int ELAPSED_REALTIME_MASK = 1 << ELAPSED_REALTIME;
		private static final int RTC_POWEROFF_WAKEUP_MASK = 1 << RTC_POWEROFF_WAKEUP;
		private static final int TIME_CHANGED_MASK = 1 << 16;
		private static final int IS_WAKEUP_MASK = RTC_WAKEUP_MASK\|ELAPSED_REALTIME_WAKEUP_MASK;

		@@ -106,6 +108,7 @@ class AlarmManagerService extends IAlarmManager.Stub {

		private int mDescriptor;
		private long mNextWakeup;
		private long mNextRtcWakeup;
		private long mNextNonWakeup;
		private int mBroadcastRefCount = 0;
		private PowerManager.WakeLock mWakeLock;
		@@ -292,6 +295,18 @@ class AlarmManagerService extends IAlarmManager.Stub {
		return false;
		}

		boolean isRtcPowerOffWakeup() {
		final int N = alarms.size();
		for (int i = 0; i < N; i++) {
		Alarm a = alarms.get(i);
		// non-wakeup alarms are types 1 and 3, i.e. have the low bit set
		if (a.type == RTC_POWEROFF_WAKEUP) {
		return true;
		}
		}
		return false;
		}

		@Override
		public String toString() {
		StringBuilder b = new StringBuilder(40);
		@@ -327,7 +342,7 @@ class AlarmManagerService extends IAlarmManager.Stub {
		private final ArrayList<Batch> mAlarmBatches = new ArrayList<Batch>();

		static long convertToElapsed(long when, int type) {
		final boolean isRtc = (type == RTC \|\| type == RTC_WAKEUP);
		final boolean isRtc = (type == RTC \|\| type == RTC_WAKEUP \|\| type == RTC_POWEROFF_WAKEUP);
		if (isRtc) {
		when -= System.currentTimeMillis() - SystemClock.elapsedRealtime();
		}
		@@ -470,7 +485,7 @@ class AlarmManagerService extends IAlarmManager.Stub {
		public AlarmManagerService(Context context) {
		mContext = context;
		mDescriptor = init();
		mNextWakeup = mNextNonWakeup = 0;
		mNextWakeup = mNextRtcWakeup = mNextNonWakeup = 0;

		// We have to set current TimeZone info to kernel
		// because kernel doesn't keep this after reboot
		@@ -540,7 +555,7 @@ class AlarmManagerService extends IAlarmManager.Stub {
		windowLength = AlarmManager.INTERVAL_HOUR;
		}

		if (type < RTC_WAKEUP \|\| type > ELAPSED_REALTIME) {
		if (type < RTC_WAKEUP \|\| type > RTC_POWEROFF_WAKEUP) {
		throw new IllegalArgumentException("Invalid alarm type " + type);
		}

		@@ -656,6 +671,17 @@ class AlarmManagerService extends IAlarmManager.Stub {
		}
		return null;
		}
		private Batch findFirstRtcWakeupBatchLocked() {
		final int N = mAlarmBatches.size();
		for (int i = 0; i < N; i++) {
		Batch b = mAlarmBatches.get(i);
		if (b.isRtcPowerOffWakeup()) {
		return b;
		}
		}
		return null;
		}


		private void rescheduleKernelAlarmsLocked() {
		// Schedule the next upcoming wakeup alarm. If there is a deliverable batch
		@@ -663,6 +689,7 @@ class AlarmManagerService extends IAlarmManager.Stub {
		if (mAlarmBatches.size() > 0) {
		final Batch firstWakeup = findFirstWakeupBatchLocked();
		final Batch firstBatch = mAlarmBatches.get(0);
		final Batch firstRtcWakeup = findFirstRtcWakeupBatchLocked();
		if (firstWakeup != null && mNextWakeup != firstWakeup.start) {
		mNextWakeup = firstWakeup.start;
		setLocked(ELAPSED_REALTIME_WAKEUP, firstWakeup.start);
		@@ -671,6 +698,11 @@ class AlarmManagerService extends IAlarmManager.Stub {
		mNextNonWakeup = firstBatch.start;
		setLocked(ELAPSED_REALTIME, firstBatch.start);
		}
		if (firstRtcWakeup != null && mNextRtcWakeup != firstRtcWakeup.start) {
		mNextRtcWakeup = firstRtcWakeup.start;
		setLocked(RTC_POWEROFF_WAKEUP, firstRtcWakeup.start - SystemClock.elapsedRealtime());
		}

		}
		}

		@@ -1046,6 +1078,7 @@ class AlarmManagerService extends IAlarmManager.Stub {
		case RTC_WAKEUP : return "RTC_WAKEUP";
		case ELAPSED_REALTIME : return "ELAPSED";
		case ELAPSED_REALTIME_WAKEUP: return "ELAPSED_WAKEUP";
		case RTC_POWEROFF_WAKEUP : return "RTC_POWEROFF_WAKEUP";
		default:
		break;
		}
		@@ -1252,7 +1285,6 @@ class AlarmManagerService extends IAlarmManager.Stub {
		recordWakeupAlarms(mAlarmBatches, nowELAPSED, nowRTC);
		}
		}

		triggerAlarmsLocked(triggerList, nowELAPSED, nowRTC);
		rescheduleKernelAlarmsLocked();

		@@ -1293,7 +1325,8 @@ class AlarmManagerService extends IAlarmManager.Stub {
		fs.nesting++;
		}
		if (alarm.type == ELAPSED_REALTIME_WAKEUP
		\|\| alarm.type == RTC_WAKEUP) {
		\|\| alarm.type == RTC_WAKEUP
		\|\| alarm.type == RTC_POWEROFF_WAKEUP) {
		bs.numWakeup++;
		fs.numWakeup++;
		ActivityManagerNative.noteWakeupAlarm(