/* -*- Mode: IDL; tab-width: 2; 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 mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Mozilla.org.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * 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
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 * 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"

interface nsIDOMWindow;
interface nsIURI;
interface nsIFrameLoaderOwner;

[scriptable, uuid(3ab89888-eb41-4dc8-b347-115555f47c80)]

/**
 * The C++ source has access to the browser script source through
 * nsIBrowserDOMWindow. It is intended to be attached to the chrome DOMWindow
 * of a toplevel browser window (a XUL window). A DOMWindow that does not
 * happen to be a browser chrome window will simply have no access to any such
 * interface.
 */
interface nsIBrowserDOMWindow : nsISupports
{
  /**
   * Values for openURI's aWhere parameter.
   */
  /**
   * Do whatever the default is based on application state, user preferences,
   * and the value of the aContext parameter to openURI.
   */
  const short OPEN_DEFAULTWINDOW = 0;
  /**
   * Open in the "current window".  If aOpener is provided, this should be the
   * top window in aOpener's window hierarchy, but exact behavior is
   * application-dependent.  If aOpener is not provided, it's up to the
   * application to decide what constitutes a "current window".
   */
  const short OPEN_CURRENTWINDOW = 1;
  /**
   * Open in a new window.
   */
  const short OPEN_NEWWINDOW     = 2;
  /**
   * Open in a new content tab in the toplevel browser window corresponding to
   * this nsIBrowserDOMWindow.
   */
  const short OPEN_NEWTAB        = 3;
  /**
   * Open in an existing content tab based on the URI. If a match can't be
   * found, revert to OPEN_NEWTAB behavior.
   */
  const short OPEN_SWITCHTAB     = 4;

  /**
   * Values for openURI's aContext parameter.  These affect the behavior of
   * OPEN_DEFAULTWINDOW.
   */
  /**
   * external link (load request from another application, xremote, etc).
   */
  const short OPEN_EXTERNAL      = 1;
  /**
   * internal open new window
   */
  const short OPEN_NEW           = 2; 

  /**
   * Load a URI

   * @param aURI the URI to open. null is allowed.  If null is passed in, no
   *             load will be done, though the window the load would have
   *             happened in will be returned.
   * @param aWhere see possible values described above.
   * @param aOpener window requesting the open (can be null).
   * @param aContext the context in which the URI is being opened. This
   *                 is used only when aWhere == OPEN_DEFAULTWINDOW.
   * @return the window into which the URI was opened.
  */
  nsIDOMWindow openURI(in nsIURI aURI, in nsIDOMWindow aOpener,
                       in short aWhere, in short aContext);

  /**
   * As above, but return the nsIFrameLoaderOwner for the new window.
   // XXXbz is this the right API? Do we really need the opener here?
   // See bug 537428
   */
  nsIFrameLoaderOwner openURIInFrame(in nsIURI aURI, in nsIDOMWindow aOpener,
                                     in short aWhere, in short aContext);

  /**
   * @param  aWindow the window to test.
   * @return whether the window is the main content window for any
   *         currently open tab in this toplevel browser window.
   */
  boolean      isTabContentWindow(in nsIDOMWindow aWindow);
};

