/* -*- Mode: C++; 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 Communicator client 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):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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
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 * ***** END LICENSE BLOCK ***** */

#ifndef __nsAppShellService_h
#define __nsAppShellService_h

#include "nsIAppShellService.h"
#include "nsIObserver.h"

//Interfaces Needed
#include "nsWebShellWindow.h"
#include "nsStringFwd.h"
#include "nsAutoPtr.h"

// {0099907D-123C-4853-A46A-43098B5FB68C}
#define NS_APPSHELLSERVICE_CID \
{ 0x99907d, 0x123c, 0x4853, { 0xa4, 0x6a, 0x43, 0x9, 0x8b, 0x5f, 0xb6, 0x8c } }

class nsAppShellService : public nsIAppShellService,
                          public nsIObserver
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSIAPPSHELLSERVICE
  NS_DECL_NSIOBSERVER

  nsAppShellService();

protected:
  ~nsAppShellService();

  nsresult JustCreateTopWindow(nsIXULWindow *aParent,
                               nsIURI *aUrl, 
                               PRUint32 aChromeMask,
                               PRInt32 aInitialWidth, PRInt32 aInitialHeight,
                               PRBool aIsHiddenWindow, nsIAppShell* aAppShell,
                               nsWebShellWindow **aResult);
  PRUint32 CalculateWindowZLevel(nsIXULWindow *aParent, PRUint32 aChromeMask);
  nsresult SetXPConnectSafeContext();
  nsresult ClearXPConnectSafeContext();

  nsRefPtr<nsWebShellWindow>  mHiddenWindow;
  PRPackedBool                mXPCOMShuttingDown;
  PRUint16                    mModalWindowCount;
};

#endif
