nevrax.org : docs

00001 
00007 /* Copyright, 2000 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #ifndef NL_EVENT_SERVER_H
00027 #define NL_EVENT_SERVER_H
00028 
00029 #include "nel/misc/types_nl.h"
00030 #include "nel/misc/class_id.h"
00031 #include <map>
00032 #include <list>
00033 
00034 
00035 namespace NLMISC {
00036 
00037 class IEventEmitter;
00038 class IEventListener;
00039 class CEvent;
00040 
00041 /*===================================================================*/
00042 
00043 typedef std::multimap<CClassId, IEventListener*> mapListener;
00044 
00045 
00052 class CEventServer
00053 {
00054         mapListener _Listeners;
00055         std::list<IEventEmitter*> _Emitters;
00056         std::list<CEvent*> _Events;
00057 
00058 public:
00059         virtual ~CEventServer() {}
00060 
00065         void postEvent(CEvent * event);
00066 
00071         void pump();
00072                 
00078         void addListener(CClassId id, IEventListener* listener );
00079         
00085         void removeListener(CClassId id, IEventListener* listener );
00086 
00091         void addEmitter(IEventEmitter * emitter);
00092         
00097         void removeEmitter(IEventEmitter * emitter);
00098 
00099 protected:
00105         virtual bool pumpEvent(CEvent* event);
00106 };
00107 
00108 
00109 /*===================================================================*/
00110 
00111 } // NLMISC
00112 
00113 
00114 #endif // NL_EVENT_SERVER_H
00115 
00116 /* End of event_server.h */