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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/
#ifndef _SVT_LISTENER_HXX
#define _SVT_LISTENER_HXX

#include "svl/svldllapi.h"
#include <tools/rtti.hxx>

class SvtBroadcaster;
class SfxHint;
class SvtListenerBase;

//-------------------------------------------------------------------------

class SVL_DLLPUBLIC SvtListener
{
    friend class SvtListenerBase;
    SvtListenerBase *pBrdCastLst;

    const SvtListener&  operator=(const SvtListener &); // n.i., ist verboten

public:
    TYPEINFO();

                        SvtListener();
                        SvtListener( const SvtListener &rCopy );
    virtual             ~SvtListener();

    BOOL                StartListening( SvtBroadcaster& rBroadcaster );
    BOOL                EndListening( SvtBroadcaster& rBroadcaster );
    void                EndListeningAll();
    BOOL                IsListening( SvtBroadcaster& rBroadcaster ) const;

    BOOL                HasBroadcaster() const { return 0 != pBrdCastLst; }

    virtual void        Notify( SvtBroadcaster& rBC, const SfxHint& rHint );
};


#endif