/** Schedules an alarm to go off a few minutes before this talk. */
private void scheduleNotification(Talk talk) {
// We need to know the time slot of the talk, so fetch its data if we haven't already.
if (!talk.isDataAvailable()) {
Talk.getInBackground(
talk.getObjectId(),
new GetCallback<Talk>() {
@Override
public void done(Talk talk, ParseException e) {
if (talk != null) {
scheduleNotification(talk);
}
}
});
return;
}
// Figure out what time we need to set the alarm for.
Date talkStart = null != talk.getSlot() ? talk.getSlot().getStartTime() : null;
if (BuildConfig.DEBUG) {
Logger.getLogger(getClass().getName()).log(Level.INFO, "Registering alarm for " + talkStart);
}
long fiveMinutesBefore = null != talkStart ? talkStart.getTime() - (5000 * 60) : Long.MAX_VALUE;
if (fiveMinutesBefore < System.currentTimeMillis()) {
return;
}
// Register the actual alarm.
AlarmManager manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
PendingIntent pendingIntent = getPendingIntent(talk);
manager.set(AlarmManager.RTC_WAKEUP, fiveMinutesBefore, pendingIntent);
}
/** Creates a PendingIntent to be sent when the alarm for this talk goes off. */
private PendingIntent getPendingIntent(Talk talk) {
Intent intent = new Intent();
intent.setClass(context, FavoritesNotificationReceiver.class);
intent.setData(talk.getUri());
return PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_ONE_SHOT);
}