/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * 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 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Peter Annema <disttsc@bart.nl>
 *
 * 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 NPL, 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 NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

const nsIDOMWindowInternal = Components.interfaces.nsIDOMWindowInternal;
const nsIWindowMediator = Components.interfaces.nsIWindowMediator;
const nsIWindowDataSource = Components.interfaces.nsIWindowDataSource;

function toNavigator()
{
  if (!CycleWindow("navigator:browser"))
    OpenBrowserWindow();
}

function toDownloadManager()
{
  var dlmgr = Components.classes['@mozilla.org/download-manager;1'].getService();
  dlmgr = dlmgr.QueryInterface(Components.interfaces.nsIDownloadManager);

  var windowMediator = Components.classes['@mozilla.org/appshell/window-mediator;1'].getService();
  windowMediator = windowMediator.QueryInterface(nsIWindowMediator);

  var dlmgrWindow = windowMediator.getMostRecentWindow("Download:Manager");
  if (dlmgrWindow) {
    dlmgrWindow.focus();
  }
  else {
    dlmgr.open(window, null);
  }
}
  
function toJavaScriptConsole()
{
    toOpenWindowByType("global:console", "chrome://global/content/console.xul");
}

function javaItemEnabling()
{
    var element = document.getElementById("java");
    if (navigator.javaEnabled())
      element.removeAttribute("disabled");
    else
      element.setAttribute("disabled", "true");
}
            
function toJavaConsole()
{
    var jvmMgr = Components.classes['@mozilla.org/oji/jvm-mgr;1']
                            .getService(Components.interfaces.nsIJVMManager)
    jvmMgr.showJavaConsole();
}

function toOpenWindowByType( inType, uri )
{
	var windowManager = Components.classes['@mozilla.org/appshell/window-mediator;1'].getService();

	var	windowManagerInterface = windowManager.QueryInterface(nsIWindowMediator);

	var topWindow = windowManagerInterface.getMostRecentWindow( inType );
	
	if ( topWindow )
		topWindow.focus();
	else
		window.open(uri, "_blank", "chrome,extrachrome,menubar,resizable,scrollbars,status,toolbar");
}


function OpenBrowserWindow()
{
  var charsetArg = new String();
  var handler = Components.classes['@mozilla.org/commandlinehandler/general-startup;1?type=browser'];
  handler = handler.getService();
  handler = handler.QueryInterface(Components.interfaces.nsICmdLineHandler);
  var startpage = handler.defaultArgs;
  var url = handler.chromeUrlForTask;
  var wintype = document.firstChild.getAttribute('windowtype');

  // if and only if the current window is a browser window and it has a document with a character
  // set, then extract the current charset menu setting from the current document and use it to
  // initialize the new browser window...
  if (window && (wintype == "navigator:browser") && window._content && window._content.document)
  {
    var DocCharset = window._content.document.characterSet;
    charsetArg = "charset="+DocCharset;

    //we should "inherit" the charset menu setting in a new window
    window.openDialog(url, "_blank", "chrome,all,dialog=no", startpage, charsetArg);
  }
  else // forget about the charset information.
  {
    window.openDialog(url, "_blank", "chrome,all,dialog=no", startpage);
  }
}

function CycleWindow( aType )
{
  var windowManager = Components.classes['@mozilla.org/appshell/window-mediator;1'].getService();
  var windowManagerInterface = windowManager.QueryInterface(nsIWindowMediator);

  var topWindowOfType = windowManagerInterface.getMostRecentWindow( aType );
  var topWindow = windowManagerInterface.getMostRecentWindow( null );

  if ( topWindowOfType == null )
    return null;

  if ( topWindowOfType != topWindow ) {
    topWindowOfType.focus();
    return topWindowOfType;
  }

  var enumerator = windowManagerInterface.getEnumerator( aType );
  var firstWindow = enumerator.getNext().QueryInterface(nsIDOMWindowInternal);
  var iWindow = firstWindow;
  while (iWindow != topWindow && enumerator.hasMoreElements())
    iWindow = enumerator.getNext().QueryInterface(nsIDOMWindowInternal);

  if (enumerator.hasMoreElements()) {
    iWindow = enumerator.getNext().QueryInterface(nsIDOMWindowInternal);
    iWindow.focus();
    return iWindow;
  }

  if (firstWindow == topWindow) // Only one window
    return null;

  firstWindow.focus();
  return firstWindow;
}

function ShowWindowFromResource( node )
{
	var windowManagerDS = Components.classes['@mozilla.org/rdf/datasource;1?name=window-mediator'].getService(nsIWindowDataSource);
    
    var desiredWindow = null;
    var url = node.getAttribute('id');
	desiredWindow = windowManagerDS.getWindowForResource( url );
	if ( desiredWindow )
	{
		desiredWindow.focus();
	}
}

function OpenTaskURL( inURL )
{
	
	window.open( inURL );
}

function ShowUpdateFromResource( node )
{
	var url = node.getAttribute('url');
        // hack until I get a new interface on xpiflash to do a 
        // look up on the name/url pair.
	OpenTaskURL( "http://www.mozilla.org/binaries.html");
}

function checkFocusedWindow()
{
  var windowManagerDS = Components.classes['@mozilla.org/rdf/datasource;1?name=window-mediator'].getService(nsIWindowDataSource);

  var sep = document.getElementById("sep-window-list");
  // Using double parens to avoid warning
  while ((sep = sep.nextSibling)) {
    var url = sep.getAttribute('id');
    var win = windowManagerDS.getWindowForResource(url);
    if (win == window) {
      sep.setAttribute("checked", "true");
      break;
    }
  }
}


