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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

interface calIDateTime;
interface calIDuration;

[scriptable,uuid(ace2a74c-bd08-476f-be8b-6565abc50339)]
interface calIPeriod : nsISupports
{
  attribute jsval icalPeriod;

  /**
   * isMutable is true if this instance is modifiable.
   * If isMutable is false, any attempts to modify
   * the object will throw NS_ERROR_OBJECT_IS_IMMUTABLE.
   */
  readonly attribute boolean isMutable;

  /**
   * Make this calIPeriod instance immutable.
   */
  void makeImmutable();

  /**
   * Clone this calIPeriod instance into a new
   * mutable object.
   */
  calIPeriod clone();

  /**
   * The start datetime of this period
   */
  attribute calIDateTime start;

  /**
   * The end datetime of this period
   */
  attribute calIDateTime end;

  /**
   * The duration, equal to end-start
   */
  readonly attribute calIDuration duration;


  /**
   * Return a string representation of this instance.
   */
  AUTF8String toString();

  /**
   * This object as an iCalendar DURATION string
   */
  attribute ACString icalString;
};

/** Libical specific interfaces */

[ptr] native icalperiodtypeptr(struct icalperiodtype);
[scriptable,uuid(04ee525f-96db-4731-8d61-688e754df24f)]
interface calIPeriodLibical : calIPeriod
{
  [noscript,notxpcom] void toIcalPeriod(in icalperiodtypeptr idt);
};