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cllbklst.h

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00001 #ifndef __CLLBKLST_H_INCLUDED__
00002 #define __CLLBKLST_H_INCLUDED__
00003 
00004 // $Id$
00005 
00006 //**********************************************************************
00007 //                                                                     *
00008 //    Description:   Callback list class.                              *
00009 //                                                                     *
00010 //    Author:        Chris White (whitecf@bcs.org.uk)                  *
00011 //                                                                     *
00012 //    Copyright (C) 2003  Monitor Computing Services Ltd.              *
00013 //                                                                     *
00014 //    This program is free software; you can redistribute it and/or    *
00015 //    modify it under the terms of the GNU General Public License      *
00016 //    as published by the Free Software Foundation; either version 2   *
00017 //    of the License, or any later version.                            *
00018 //                                                                     *
00019 //    This program is distributed in the hope that it will be useful,  *
00020 //    but WITHOUT ANY WARRANTY; without even the implied warranty of   *
00021 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    *
00022 //    GNU General Public License for more details.                     *
00023 //                                                                     *
00024 //    You should have received a copy of the GNU General Public        *
00025 //    License (http://www.gnu.org/copyleft/gpl.html) along with this   *
00026 //    program; if not, write to:                                       *
00027 //       The Free Software Foundation Inc.,                            *
00028 //       59 Temple Place - Suite 330,                                  *
00029 //       Boston, MA  02111-1307,                                       *
00030 //       USA.                                                          *
00031 //                                                                     *
00032 //**********************************************************************
00033 //                                                                     *
00034 //    Notes:                                                           *
00035 //                                                                     *
00036 //**********************************************************************
00037 
00038 
00039 // Forward declerations
00040 template <class T> class TIListImp;
00041 template <class T> class TIListIteratorImp;
00042 
00043 #include <callback.h>
00044 
00045 
00046 namespace Monitor {
00047 namespace Utility {
00048 
00052 class CallbackList
00053 {
00054 public:
00058     CallbackList();
00059 
00063     virtual ~CallbackList();
00064 
00065 
00073     const CallbackBase&
00074     addCallback(const CallbackBase&    newCallback);
00075 
00081     void
00082     removeCallback(const CallbackBase&    oldCallback);
00083 
00089     void
00090     removeTarget(const void*    target);
00091 
00097     virtual void
00098     invoke(const void*    invocationData = 0);
00099 
00100 
00101 private:
00105     typedef TIListImp< CallbackBase >            List;
00109     typedef TIListIteratorImp< CallbackBase >    ListIterator;
00110 
00114     List*    myList;
00115 };
00116 
00117 };  // namespace Utility
00118 };  // namespace Monitor
00119 
00120 #endif // __CLLBKLST_H_INCLUDED__
00121 

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