/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * 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"


/**
 * 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);


};
