2 Copyright (C) 2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __pbd_event_loop_h__
21 #define __pbd_event_loop_h__
23 #include <boost/function.hpp>
24 #include <boost/bind.hpp> /* we don't need this here, but anything calling call_slot() probably will, so this is convenient */
25 #include <glibmm/thread.h>
34 virtual ~EventLoop() {}
40 struct BaseRequestObject;
42 struct InvalidationRecord {
43 std::list<BaseRequestObject*> requests;
44 PBD::EventLoop* event_loop;
48 InvalidationRecord() : event_loop (0) {}
51 static void* invalidate_request (void* data);
53 struct BaseRequestObject {
56 InvalidationRecord* invalidation;
57 boost::function<void()> the_slot;
59 BaseRequestObject() : valid (true), invalidation (0) {}
62 virtual void call_slot (InvalidationRecord*, const boost::function<void()>&) = 0;
63 virtual Glib::Mutex& slot_invalidation_mutex() = 0;
65 static EventLoop* get_event_loop_for_thread();
66 static void set_event_loop_for_thread (EventLoop* ui);
69 static Glib::StaticPrivate<EventLoop> thread_event_loop;
75 #define MISSING_INVALIDATOR 0 // used to mark places where we fail to provide an invalidator
77 #endif /* __pbd_event_loop_h__ */