private void setAlarm(int trigId, TimeTrigDesc desc) {
// Cancel the pending intent and the existing alarm first
cancelAlarm(trigId, desc.toString());
Log.v(TAG, "TimeTriggerService: Attempting to set trigger " + trigId);
Intent i = createAlarmIntent(trigId, desc.toString());
PendingIntent pi = PendingIntent.getBroadcast(this, 0, i, PendingIntent.FLAG_CANCEL_CURRENT);
long alarmTime = getAlarmTimeInMillis(trigId, desc);
if (alarmTime == -1) {
Log.v(TAG, "TimeTriggerService: No valid time found for " + trigId);
return;
}
/* Convert the alarm time to elapsed real time.
* If we dont do this, a time change in the system might
* set off all the alarms and a trigger might go off before
* we get a chance to cancel it
*/
long elapsedRT = alarmTime - System.currentTimeMillis();
if (elapsedRT <= 0) {
Log.v(
TAG, "TimeTriggerService: negative elapsed realtime - " + "alarm not setting: " + trigId);
return;
}
Log.v(TAG, "TimeTriggerService: Setting alarm for " + elapsedRT + " millis into the future");
mAlarmMan.set(
AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + elapsedRT, pi);
}
private Calendar getTriggerTimeForDay(int trigId, TimeTrigDesc trigDesc, int dayOffset) {
Calendar target = Calendar.getInstance();
target.add(Calendar.DAY_OF_YEAR, dayOffset);
String dayStr = TimeTrigDesc.getDayOfWeekString(target.get(Calendar.DAY_OF_WEEK));
if (!trigDesc.doesRepeatOnDay(dayStr)) {
return null;
}
if (dayOffset == 0) {
return getTriggerTimeForToday(trigId, trigDesc);
}
target.set(Calendar.SECOND, 0);
if (!trigDesc.isRandomized()) {
target.set(Calendar.HOUR_OF_DAY, trigDesc.getTriggerTime().getHour());
target.set(Calendar.MINUTE, trigDesc.getTriggerTime().getMinute());
} else {
target.set(Calendar.HOUR_OF_DAY, trigDesc.getRangeStart().getHour());
target.set(Calendar.MINUTE, trigDesc.getRangeStart().getMinute());
int diff = trigDesc.getRangeStart().differenceInMinutes(trigDesc.getRangeEnd());
Random rand = new Random();
// Generate a random number (both ranges inclusive)
target.add(Calendar.MINUTE, rand.nextInt(diff + 1));
}
return target;
}
private void setTrigger(int trigId, String trigDesc) {
Log.v(TAG, "TimeTriggerService: Attempting to set " + "the trigger: " + trigId);
TimeTrigDesc desc = new TimeTrigDesc();
if (desc.loadString(trigDesc)) {
setAlarm(trigId, desc);
} else {
Log.e(TAG, "TimeTriggerService: Failed to parse" + " trigger config: id = " + trigId);
}
}
private Calendar getTriggerTimeForToday(int trigId, TimeTrigDesc trigDesc) {
TimeTrigger timeTrig = new TimeTrigger();
if (timeTrig.hasTriggeredToday(this, trigId)) {
return null;
}
Calendar now = Calendar.getInstance();
Calendar target = Calendar.getInstance();
target.set(Calendar.SECOND, 0);
if (!trigDesc.isRandomized()) {
target.set(Calendar.HOUR_OF_DAY, trigDesc.getTriggerTime().getHour());
target.set(Calendar.MINUTE, trigDesc.getTriggerTime().getMinute());
if (now.before(target)) {
return target;
}
} else { // if randomized, check if there is any more time left in the interval
SimpleTime tCurr = new SimpleTime();
SimpleTime tStart = trigDesc.getRangeStart();
SimpleTime tEnd = trigDesc.getRangeEnd();
if (tCurr.isBefore(tEnd)) {
int diff;
if (tCurr.isAfter(tStart)) {
diff = tCurr.differenceInMinutes(tEnd);
target.set(Calendar.HOUR_OF_DAY, tCurr.getHour());
target.set(Calendar.MINUTE, tCurr.getMinute());
} else {
diff = tStart.differenceInMinutes(tEnd);
target.set(Calendar.HOUR_OF_DAY, tStart.getHour());
target.set(Calendar.MINUTE, tStart.getMinute());
}
Random rand = new Random();
// Generate a random number (both ranges inclusive)
target.add(Calendar.MINUTE, rand.nextInt(diff + 1));
return target;
}
}
return null;
}
