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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
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 * for the specific language governing rights and limitations under the
 * License.
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 * The Original Code is Oracle Corporation code.
 *
 * The Initial Developer of the Original Code is Oracle Corporation
 * Portions created by the Initial Developer are Copyright (C) 2005
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Stuart Parmenter <stuart.parmenter@oracle.com>
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#include "nsISupports.idl"

interface calIItemBase;
interface calIDateTime;

[scriptable,uuid(c9c97643-db45-4790-9441-05384ae5c272)]
interface calIAlarmServiceObserver : nsISupports
{
  /* Alarm has fired -- Bring up a dialog or play a sound */
  void onAlarm(in calIItemBase item);
};

[scriptable,uuid(03669cf3-bf4f-4692-97a1-cca891964a1d)]
interface calIAlarmService : nsISupports
{
  /* add and remove observers that will be notified when an
     alarm has gone off.  It is up to the application to display
     the alarm.
  */
  void addObserver(in calIAlarmServiceObserver observer);
  void removeObserver(in calIAlarmServiceObserver observer);

  /* Call to reschedule an alarm to be notified at a later point.
     This _will_ modify the event's alarmTime.  It will not currently
     change the way the alarm time was initially computed.

     The alarm will instead fire at "now + duration"

     This will cause an event to be scheduled even if it was not
     previously scheduled.
  */
  void snoozeEvent(in calIItemBase item, in calIDateTime duration);
};