base/EventListenerList

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/****************************************************************************
  Copyright (C)1996 David Jung <opensim@pobox.com>

  This program/file 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
  (at your option) 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. (http://www.gnu.org)
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  
  $Id: EventListenerList 1029 2004-02-11 20:45:54Z jungd $
  $Revision: 1.2 $
  $Date: 2004-02-11 15:45:54 -0500 (Wed, 11 Feb 2004) $
  $Author: jungd $
 
****************************************************************************/

#ifndef _BASE_EVENTLISTENERLIST_
#define _BASE_EVENTLISTENERLIST_

#include <base/base>
#include <base/Object>

#include <list>

#include <base/EventListener>

namespace base {

class EventListenerList : public base::Object
{
public:
  EventListenerList() {}
  virtual ~EventListenerList() {}

        /// !!! listener should be ref
  void addListener(EventListener& listener)
  { listeners.push_back(&listener); }

  void removeListener(EventListener& listener)
  { listeners.remove(&listener); }

  void notifyListeners(Object& src, int eventID, void* data=0) const;

private:
  std::list<EventListener*> listeners;
};


} // base

#endif

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