/**
* Schedules alarms for a single task
*
* @param shouldPerformPropertyCheck whether to check if task has requisite properties
*/
private void scheduleAlarm(Task task, boolean shouldPerformPropertyCheck) {
if (task == null || !task.isSaved()) return;
// read data if necessary
if (shouldPerformPropertyCheck) {
for (Property<?> property : NOTIFICATION_PROPERTIES) {
if (!task.containsValue(property)) {
task = taskDao.fetch(task.getId(), NOTIFICATION_PROPERTIES);
if (task == null) return;
break;
}
}
}
// Make sure no alarms are scheduled other than the next one. When that one is shown, it
// will schedule the next one after it, and so on and so forth.
clearAllAlarms(task);
if (task.isCompleted()
|| task.isDeleted()
|| !Task.USER_ID_SELF.equals(task.getValue(Task.USER_ID))) {
return;
}
// snooze reminder
long whenSnooze = calculateNextSnoozeReminder(task);
// random reminders
long whenRandom = calculateNextRandomReminder(task);
// notifications at due date
long whenDueDate = calculateNextDueDateReminder(task);
// notifications after due date
long whenOverdue = calculateNextOverdueReminder(task);
// For alarms around/before now, increment the now value so the next one will be later
if (whenDueDate <= now || whenOverdue <= now) {
whenDueDate = now;
whenOverdue = now;
now +=
30 * DateUtilities.ONE_MINUTE; // Prevents overdue tasks from being scheduled all at once
}
// if random reminders are too close to due date, favor due date
if (whenRandom != NO_ALARM && whenDueDate - whenRandom < DateUtilities.ONE_DAY)
whenRandom = NO_ALARM;
// snooze trumps all
if (whenSnooze != NO_ALARM) {
scheduler.createAlarm(task, whenSnooze, TYPE_SNOOZE);
} else if (whenRandom < whenDueDate && whenRandom < whenOverdue) {
scheduler.createAlarm(task, whenRandom, TYPE_RANDOM);
} else if (whenDueDate < whenOverdue) {
scheduler.createAlarm(task, whenDueDate, TYPE_DUE);
} else if (whenOverdue != NO_ALARM) {
scheduler.createAlarm(task, whenOverdue, TYPE_OVERDUE);
} else {
scheduler.createAlarm(task, 0, 0);
}
}
/**
* Show a new notification about the given task. Returns false if there was some sort of error or
* the alarm should be disabled.
*/
public boolean showTaskNotification(long id, int type, String reminder) {
Task task;
try {
task =
taskDao.fetch(
id,
Task.ID,
Task.TITLE,
Task.HIDE_UNTIL,
Task.COMPLETION_DATE,
Task.DUE_DATE,
Task.DELETION_DATE,
Task.REMINDER_FLAGS);
if (task == null)
throw new IllegalArgumentException("cound not find item with id"); // $NON-NLS-1$
} catch (Exception e) {
exceptionService.reportError("show-notif", e); // $NON-NLS-1$
return false;
}
// you're done - don't sound, do delete
if (task.isCompleted() || task.isDeleted()) return false;
// it's hidden - don't sound, don't delete
if (task.isHidden() && type == ReminderService.TYPE_RANDOM) return true;
// task due date was changed, but alarm wasn't rescheduled
if ((type == ReminderService.TYPE_DUE || type == ReminderService.TYPE_OVERDUE)
&& (!task.hasDueDate() || task.getValue(Task.DUE_DATE) > DateUtilities.now())) return true;
// read properties
String taskTitle = task.getValue(Task.TITLE);
boolean nonstopMode = task.getFlag(Task.REMINDER_FLAGS, Task.NOTIFY_MODE_NONSTOP);
boolean ringFiveMode = task.getFlag(Task.REMINDER_FLAGS, Task.NOTIFY_MODE_FIVE);
int ringTimes = nonstopMode ? -1 : (ringFiveMode ? 5 : 1);
// update last reminder time
task.setValue(Task.REMINDER_LAST, DateUtilities.now());
taskDao.saveExisting(task);
Context context = ContextManager.getContext();
String title = context.getString(R.string.app_name);
String text = reminder + " " + taskTitle; // $NON-NLS-1$
Intent notifyIntent = new Intent(context, NotificationActivity.class);
notifyIntent.setAction("NOTIFY" + id); // $NON-NLS-1$
notifyIntent.putExtra(NotificationActivity.TOKEN_ID, id);
notifyIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
showNotification((int) id, notifyIntent, type, title, text, ringTimes);
return true;
}