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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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
61 typedef list<EDReceiver*> EDRL;
65 virtual ~EventDispatcher() {};
68 void edRegister(EDReceiver* edr);
69 void edUnregister(EDReceiver* edr);
70 bool edFindAndCall(void* userTag);
73 void edSleepThisReceiver(EDReceiver* edr);
75 // EventDispatcher implementor must override the following. When edFindAndCall is called,
76 // The EventDispatcher class will call ed_cb_find() on each receiver until the implementor
77 // returns true = this is the receiver to call.
78 virtual bool ed_cb_find(EDReceiver* edr, void* userTag)=0;
83 pthread_mutex_t mutex;