/* -*- Mode: IDL; tab-width: 4; 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 the Mozilla browser.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications, Inc.
 * Portions created by the Initial Developer are Copyright (C) 1999
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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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 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"
interface nsISHEntry;

[scriptable, uuid(077af5fd-7450-48db-8f03-16617d441141)]
interface nsIDocShellHistory : nsISupports
{
  /**
   * Get the SHEntry associated with a child docshell
   */
  nsISHEntry getChildSHEntry(in long aChildOffset);

  /**
   * Add a Child SHEntry for a frameset page, given the child's loadtype.
   * If aCloneChildren is true, then aCloneReference's children will be
   * cloned onto aHistoryEntry.
   */
  void addChildSHEntry(in nsISHEntry aCloneReference,
                       in nsISHEntry aHistoryEntry,
                       in long aChildOffset,
                       in unsigned long aLoadType,
                       in boolean aCloneChilden);

  /**
   * Whether this docshell should save entries in global history.
   */
  attribute boolean useGlobalHistory;

  /**
   * Removes nsISHEntry objects related to this docshell from session history.
   * Use this only with subdocuments, like iframes.
   */
  void removeFromSessionHistory();

  /**
   * Set when an iframe/frame is added dynamically.
   */
  attribute boolean createdDynamically;

  /**
   * Returns false for mLSHE, true for mOSHE
   */
  boolean getCurrentSHEntry(out nsISHEntry aEntry);
};

