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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * 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 the Mozilla browser.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications, Inc.  Portions created by Netscape are
 * Copyright (C) 1999, Mozilla.  All Rights Reserved.
 * 
 * Contributor(s):
 *   Travis Bogard <travis@netscape.com>
 */

#ifndef nsDSURIContentListener_h__
#define nsDSURIContentListener_h__

#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsIURIContentListener.h"
#include "nsICategoryManager.h"
#include "nsWeakReference.h"

class nsDocShell;

class nsDSURIContentListener :
    public nsIURIContentListener,
    public nsSupportsWeakReference

{
friend class nsDocShell;
public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSIURICONTENTLISTENER

    nsresult Init();

protected:
    nsDSURIContentListener();
    virtual ~nsDSURIContentListener();

    void DocShell(nsDocShell* aDocShell);
    nsDocShell* DocShell();

protected:
    nsDocShell*                      mDocShell;

    // Store the parent listener in either of these depending on
    // if supports weak references or not. Proper weak refs are
    // preferred and encouraged!
    nsWeakPtr                        mWeakParentContentListener;
    nsIURIContentListener*           mParentContentListener;

    nsCOMPtr<nsICategoryManager>     mCatMgr;
};

#endif /* nsDSURIContentListener_h__ */