/* -*- 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) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Don Cone <dcone@netscape.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
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"


/**
 * The nsIPrintPreviewNavigation
 */
[scriptable, uuid(8148E3F1-2E8B-11d5-A86C-00105A183419)]
interface nsIPrintPreviewNavigation  : nsISupports
{

  readonly attribute long pageCount;


  /**
   * Preview the next Page
   *
   * Return - PR_TRUE if success
   */
  boolean	nextPage();
  
  /**
   * Preview the previous Page
   *
   * Return - PR_TRUE if success
   */
  boolean	previousPage();

  /**
   * Go to a page to preview
   *
   * aPageNumber - Page to go preview
   * Return - PR_TRUE if success
   */
  boolean	goToPage(unsigned long aPageNumber);


  /**
   * Skip pages
   *
   * aNumPages - number of pages to skip including the current page. Neg. goes back
   * Return - true if success
   */
  boolean	skipPages(long aNumPages);


};