/* -*- Mode: idl; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * 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
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 * The Original Code is Oracle Corporation code.
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 * 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.
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 * Contributor(s):
 *   Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
 *
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 * either the GNU General Public License Version 2 or later (the "GPL"), or
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#include "nsISupports.idl"

#include "calIRecurrenceItem.idl"

interface calIItemBase;
interface calIDateTime;

// an interface implementing a RRULE

[scriptable, uuid(e965a91a-49fa-41b5-b668-1a824a73bdbf)]
interface calIRecurrenceRule : calIRecurrenceItem
{
  //
  // rule-based recurrence
  //

  // null/"", "SECONDLY", "MINUTELY", "HOURLY", "DAILY", "WEEKLY",
  // "MONTHLY", "YEARLY"
  attribute AUTF8String type;

  // repeat every N of type
  // XXX Please mind an implementation detail:
  // the underlying libical currently only supports C short values for interval,
  // i.e. commonly 16 bits on most platforms, thus please use only 0 <= interval <= 0x7fff.
  // It is open whether we go with IDL short here or tweak libical to support at least 32 bits.
  attribute long interval;

  // These two are mutually exclusive; whichever is set
  // invalidates the other.  It's only valid to read the one
  // that was set; the other will throw NS_ERROR_FAILURE.  Use
  // isByCount to figure out whether count or untilDate is valid.
  // Setting count to -1 or untilDate to null indicates infinite
  // recurrence.
  attribute long count;
  attribute calIDateTime untilDate;

  // if this isn't infinite recurrence, this flag indicates whether
  // it was set by count or not
  readonly attribute boolean isByCount;

  // the components defining the recurrence
  // "BYSECOND", "BYMINUTE", "BYHOUR", "BYDAY",
  // "BYMONTHDAY", "BYYEARDAY", "BYWEEKNO", "BYMONTH",
  // "BYSETPOS"
  void getComponent (in AUTF8String aComponentType,
                     out unsigned long aCount, [array,size_is(aCount),retval] out short aValues);
  void setComponent (in AUTF8String aComponentType,
                     in unsigned long aCount, [array,size_is(aCount)] in short aValues);

};
