2 Copyright 2007 Chris Tallon
4 This file is part of VOMP.
6 VOMP is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 VOMP is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with VOMP; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 #ifndef EVENTDISPATCHER_H
22 #define EVENTDISPATCHER_H
30 #include "threadwin.h"
38 class EDReceiver //(implementation in eventdispatcher.cc)
40 friend class EventDispatcher;
44 virtual ~EDReceiver();
47 virtual bool call(void* userTag)=0; // Implementor must override this and do the actual call
48 // return true to have EventDispatcher remove receiver from list after call
63 typedef list<EDReceiver*> EDRL;
66 virtual ~EventDispatcher() {};
69 void edRegister(EDReceiver* edr);
70 void edUnregister(EDReceiver* edr);
71 bool edFindAndCall(void* userTag);
74 void edSleepThisReceiver(EDReceiver* edr);
76 // EventDispatcher implementor must override the following. When edFindAndCall is called,
77 // The EventDispatcher class will call ed_cb_find() on each receiver until the implementor
78 // returns true = this is the receiver to call.
79 virtual bool ed_cb_find(EDReceiver* edr, void* userTag)=0;
84 pthread_mutex_t mutex;