speaker.h

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/*
 * Copyright (C) 2001-2006 Jacek Sieka, arnetheduck on gmail point com
 *
 * 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
 * (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.
 *
 * 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.
 */

#if !defined(SPEAKER_H)
#define SPEAKER_H

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "CriticalSection.h"

template<typename Listener>
class Speaker {
	typedef vector<Listener*> ListenerList;
	typedef typename ListenerList::iterator ListenerIter;

public:
	Speaker() throw() { }
	virtual ~Speaker() throw() { }

	template<typename T0>
	void fire(T0 type) throw() {
		Lock l(listenerCS);
		tmp = listeners;
		for(ListenerIter i=tmp.begin(); i != tmp.end(); ++i ) {
			(*i)->on(type);
		}
	}

	template<typename T0, class T1>
	void fire(T0 type, const T1& p1) throw() {
		Lock l(listenerCS);
		tmp = listeners;
		for(ListenerIter i=tmp.begin(); i != tmp.end(); ++i ) {
			(*i)->on(type, p1);
		}
	}

	template<typename T0, class T1, class T2>
	void fire(T0 type, const T1& p1, const T2& p2) throw() {
		Lock l(listenerCS);
		tmp = listeners;
		for(ListenerIter i=tmp.begin(); i != tmp.end(); ++i ) {
			(*i)->on(type, p1, p2);
		}
	}

	template<typename T0, class T1, class T2, class T3>
	void fire(T0 type, const T1& p1, const T2& p2, const T3& p3) throw() {
		Lock l(listenerCS);
		tmp = listeners;
		for(ListenerIter i=tmp.begin(); i != tmp.end(); ++i ) {
			(*i)->on(type, p1, p2, p3);
		}
	}

	template<typename T0, class T1, class T2, class T3, class T4>
	void fire(T0 type, const T1& p1, const T2& p2, const T3& p3, const T4& p4) throw() {
		Lock l(listenerCS);
		tmp = listeners;
		for(ListenerIter i=tmp.begin(); i != tmp.end(); ++i ) {
			(*i)->on(type, p1, p2, p3, p4);
		}
	}

	template<typename T0, class T1, class T2, class T3, class T4, class T5>
	void fire(T0 type, const T1& p1, const T2& p2, const T3& p3, const T4& p4, const T5& p5) throw() {
		Lock l(listenerCS);
		tmp = listeners;
		for(ListenerIter i=tmp.begin(); i != tmp.end(); ++i ) {
			(*i)->on(type, p1, p2, p3, p4, p5);
		}
	}

	template<typename T0, class T1, class T2, class T3, class T4, class T5, class T6>
	void fire(T0 type, const T1& p1, const T2& p2, const T3& p3, const T4& p4, const T5& p5, const T6& p6) throw() {
		Lock l(listenerCS);
		tmp = listeners;
		for(ListenerIter i=tmp.begin(); i != tmp.end(); ++i ) {
			(*i)->on(type, p1, p2, p3, p4, p5, p6);
		}
	}

	void addListener(Listener* aListener) {
		Lock l(listenerCS);
		if(find(listeners.begin(), listeners.end(), aListener) == listeners.end())
			listeners.push_back(aListener);
	}

	void removeListener(Listener* aListener) {
		Lock l(listenerCS);
		ListenerIter it = find(listeners.begin(), listeners.end(), aListener);
		if(it != listeners.end())
			listeners.erase(it);
	}

	void removeListeners() {
		Lock l(listenerCS);
		listeners.clear();
	}
	
protected:
	ListenerList listeners;
	ListenerList tmp;
	CriticalSection listenerCS;
};

#endif // !defined(SPEAKER_H)