2 Copyright (C) 2012 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.
21 #include <boost/shared_ptr.hpp>
22 #include <glibmm/threads.h>
23 #include <sigc++/signal.h>
25 #include "pbd/signals.h"
27 #include "ardour/session_handle.h"
31 class AutomationControl;
33 class LIBARDOUR_API AutomationWatch : public sigc::trackable, public ARDOUR::SessionHandlePtr, public PBD::ScopedConnectionList {
35 static AutomationWatch& instance();
37 void add_automation_watch (boost::shared_ptr<ARDOUR::AutomationControl>);
38 void remove_automation_watch (boost::shared_ptr<ARDOUR::AutomationControl>);
39 void set_session (ARDOUR::Session*);
44 typedef std::set<boost::shared_ptr<ARDOUR::AutomationControl> > AutomationWatches;
49 static AutomationWatch* _instance;
50 Glib::Threads::Thread* _thread;
51 framepos_t _last_time;
53 AutomationWatches automation_watches;
54 Glib::Threads::Mutex automation_watch_lock;
55 PBD::ScopedConnection transport_connection;
57 void transport_state_change ();
58 void remove_weak_automation_watch (boost::weak_ptr<ARDOUR::AutomationControl>);