/* -*- Mode: idl; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * 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
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * 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) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * decision by deleting the provisions above and replace them with the notice
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 * the provisions above, a recipient may use your version of this file under
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 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

interface calIItemBase;
interface calIDateTime;
interface calIItemOccurrence;

[scriptable, uuid(a6a458cf-052c-45d1-bee7-b700ad21109a)]
interface calIRecurrenceInfo : nsISupports
{
  // returns true if this thing is able to be modified;
  // if the item is not mutable, attempts to modify
  // any data will throw CAL_ERROR_ITEM_IS_IMMUTABLE
  readonly attribute boolean isMutable;

  // makes this item immutable
  void makeImmutable();

  // clone always returns a mutable event
  calIRecurrenceInfo clone();

  //
  // recurrence
  //

  const long CAL_RECUR_INVALID = 0;
  const long CAL_RECUR_SECONDLY = 1;
  const long CAL_RECUR_MINUTELY = 2;
  const long CAL_RECUR_HOURLY = 3;
  const long CAL_RECUR_DAILY = 4;
  const long CAL_RECUR_WEEKLY = 5;
  const long CAL_RECUR_MONTHLY = 6;
  const long CAL_RECUR_YEARLY = 7;

  attribute long recurType;

  // setting either of these attributes calculates the other.
  // recurCount of -1 or null recurEnd means "forever"
  attribute long recurCount;
  attribute calIDateTime recurEnd;

  // skip every N 
  attribute long interval;

  // the components defining the recurrence
  const long CAL_RECUR_BYSECOND = 8;
  const long CAL_RECUR_BYMINUTE = 9;
  const long CAL_RECUR_BYHOUR = 10;
  const long CAL_RECUR_BYDAY = 11;
  const long CAL_RECUR_BYMONTHDAY = 12;
  const long CAL_RECUR_BYYEARDAY = 13;
  const long CAL_RECUR_BYWEEKNO = 14;
  const long CAL_RECUR_BYMONTH = 15;
  const long CAL_RECUR_BYSETPOS = 16;

  void getComponent (in long aComponentType,
                     out unsigned long aCount, [array,size_is(aCount),retval] out short aValues);
  void setComponent (in long aComponentType,
                     in unsigned long aCount, [array,size_is(aCount)] in short aValues);

  // exceptions
  void getExceptions (out unsigned long aCount, [array,size_is(aCount),retval] out calIDateTime aDates);
  void setExceptions (in unsigned long aCount, [array, size_is(aCount)] in calIDateTime aDates);

  // return the next display item for the event,
  // where the start time is >= aStartTime
  calIItemOccurrence getNextOccurrence (in calIItemBase aItem, in calIDateTime aStartTime);

  // return array of calIItemOccurrence representing all
  // occurrences of this event between start and end.
  void getOccurrencesBetween (in calIItemBase aItem,
                              in calIDateTime aStartTime,
                              in calIDateTime aEndTime,
                              out unsigned long aCount, [array,size_is(aCount),retval] out calIItemOccurrence aItems);

  // return array of calIItemOccurrence representing all occurrences
  // of this event, starting at the given time.  if aMaxCount is not
  // 0, a max of aMaxCount occurrences is returned
  void getOccurrences (in calIItemBase aItem,
                       in calIDateTime aStartTime,
                       in unsigned long aMaxCount,
                       out unsigned long aCount, [array,size_is(aCount),retval] out calIItemOccurrence aItems);
};