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cllbklst.h

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#ifndef __CLLBKLST_H_INCLUDED__
#define __CLLBKLST_H_INCLUDED__

// $Id$

//**********************************************************************
//                                                                     *
//    Description:   Callback list class.                              *
//                                                                     *
//    Author:        Chris White (whitecf@bcs.org.uk)                  *
//                                                                     *
//    Copyright (C) 2003  Monitor Computing Services Ltd.              *
//                                                                     *
//    This program is free software; you can redistribute it and/or    *
//    modify it under the terms of the GNU General Public License      *
//    as published by the Free Software Foundation; either version 2   *
//    of the License, or any later version.                            *
//                                                                     *
//    This program 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 General Public License for more details.                     *
//                                                                     *
//    You should have received a copy of the GNU General Public        *
//    License (http://www.gnu.org/copyleft/gpl.html) along with this   *
//    program; if not, write to:                                       *
//       The Free Software Foundation Inc.,                            *
//       59 Temple Place - Suite 330,                                  *
//       Boston, MA  02111-1307,                                       *
//       USA.                                                          *
//                                                                     *
//**********************************************************************
//                                                                     *
//    Notes:                                                           *
//                                                                     *
//**********************************************************************


// Forward declerations
template <class T> class TIListImp;
template <class T> class TIListIteratorImp;

#include <callback.h>


namespace Monitor {
namespace Utility {

class CallbackList
{
public:
    CallbackList();

    virtual ~CallbackList();


    const CallbackBase&
    addCallback(const CallbackBase&    newCallback);

    void
    removeCallback(const CallbackBase&    oldCallback);

    void
    removeTarget(const void*    target);

    virtual void
    invoke(const void*    invocationData = 0);


private:
    typedef TIListImp< CallbackBase >            List;
    typedef TIListIteratorImp< CallbackBase >    ListIterator;

    List*    myList;
};

};  // namespace Utility
};  // namespace Monitor

#endif // __CLLBKLST_H_INCLUDED__

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