1/* 2 * Copyright 2006-2007, Haiku. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Stephan A��mus <superstippi@gmx.de> 7 */ 8#ifndef LISTENER_H 9#define LISTENER_H 10 11#include <SupportDefs.h> 12 13class Notifier; 14 15class Listener { 16 public: 17 Listener(); 18 virtual ~Listener(); 19 20 virtual void ObjectChanged(const Notifier* object) = 0; 21}; 22 23#endif // LISTENER_H 24