/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
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 * 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
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 *
 * 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):
 *
 * 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
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#ifndef nsBrowserInstance_h___
#define nsBrowserInstance_h___

// Helper Classes
#include "nsCOMPtr.h"
#include "nsWeakReference.h"

// Interfaces Needed
#include "nsIBrowserInstance.h"

#include "nscore.h"
#include "nsString.h"
#include "nsISupports.h"

#include "nsIRequestObserver.h"
#include "nsIInputStream.h"
#include "nsIObserver.h"
#include "nsICmdLineHandler.h"
#include "nsIWebShell.h"
#include "nsIUrlbarHistory.h"

class nsIDocShell;
class nsIScriptContext;
class nsIDOMWindowInternal;
class nsIDOMNode;
class nsIURI;
class nsIWebShellWindow;
class nsIFindComponent;


////////////////////////////////////////////////////////////////////////////////
// nsBrowserInstance:
////////////////////////////////////////////////////////////////////////////////

class nsBrowserInstance : public nsIBrowserInstance,
                          public nsSupportsWeakReference 
{
  public:

    nsBrowserInstance();
    virtual ~nsBrowserInstance();
    
    NS_DEFINE_STATIC_CID_ACCESSOR( NS_BROWSERINSTANCE_CID )
                 
    NS_DECL_ISUPPORTS

    NS_DECL_NSIBROWSERINSTANCE


  protected:

    nsresult GetContentAreaDocShell(nsIDocShell** outDocShell);
    nsresult GetContentWindow(nsIDOMWindowInternal** outContentWindow);
    
    nsresult GetFocussedContentWindow(nsIDOMWindowInternal** outFocussedWindow);
    
    void ReinitializeContentVariables();
    
    PRBool              mIsClosed;
    static PRBool       sCmdLineURLUsed;

    nsWeakPtr          mContentAreaDocShellWeak;

    nsIWebShellWindow  *mWebShellWin;								// weak reference
    nsIDocShell *       mDocShell;									// weak reference
    nsIDOMWindowInternal*       mDOMWindow;                         // weak reference

    nsCOMPtr<nsIUrlbarHistory> mUrlbarHistory;                  //We own this
    nsCOMPtr<nsISupports>  mSearchContext;				// at last, something we really own
#ifdef DEBUG_warren
    PRIntervalTime      mLoadStartTime;
#endif
};

#endif // nsBrowserInstance_h___