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/* -*- 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"
#include "nsIURI.idl"
#include "nsIDOMNode.idl"

interface nsIRequest;
interface nsIDOMElement;
interface nsIInputStream;
interface nsIDocShell;

/**
 * The nsIXULBrowserWindow supplies the methods that may be called from the
 * internals of the browser area to tell the containing xul window to update
 * its ui. 
 */
[scriptable, uuid(162d3378-a7d5-410c-8635-fe80e32020fc)]
interface nsIXULBrowserWindow : nsISupports
{
  /**
   * Sets the status according to JS' version of status.
   */
  void setJSStatus(in AString status);

  /**
   * Tells the object implementing this function what link we are currently
   * over.
   */
  void setOverLink(in AString link, in nsIDOMElement element);

  /**
   * Determines the appropriate target for a link.
   */
  AString onBeforeLinkTraversal(in AString originalTarget,
                                in nsIURI linkURI,
                                in nsIDOMNode linkNode,
                                in boolean isAppTab);

  /**
   * Determines whether a load should continue.
   *
   * @param aDocShell
   *        The docshell performing the load.
   * @param aURI
   *        The URI being loaded.
   * @param aReferrer
   *        The referrer of the load.
   */
  bool shouldLoadURI(in nsIDocShell    aDocShell,
                     in nsIURI         aURI,
                     in nsIURI         aReferrer);
  /**
   * Show/hide a tooltip (when the user mouses over a link, say).
   */
  void showTooltip(in long x, in long y, in AString tooltip);
  void hideTooltip();
};