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/*
Copyright (C) 2012 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_automation_watch_h__
#define __ardour_automation_watch_h__
#include <set>
#include <boost/shared_ptr.hpp>
#include <glibmm/threads.h>
#include <sigc++/signal.h>
#include "pbd/signals.h"
#include "ardour/session_handle.h"
#include "ardour/types.h"
namespace ARDOUR {
class AutomationControl;
class LIBARDOUR_API AutomationWatch : public sigc::trackable, public ARDOUR::SessionHandlePtr
{
public:
static AutomationWatch& instance();
void add_automation_watch (boost::shared_ptr<ARDOUR::AutomationControl>);
void remove_automation_watch (boost::shared_ptr<ARDOUR::AutomationControl>);
void transport_stop_automation_watches (ARDOUR::samplepos_t);
void set_session (ARDOUR::Session*);
gint timer ();
private:
typedef std::set<boost::shared_ptr<ARDOUR::AutomationControl> > AutomationWatches;
typedef std::map<boost::shared_ptr<ARDOUR::AutomationControl>, PBD::ScopedConnection> AutomationConnection;
AutomationWatch ();
~AutomationWatch();
static AutomationWatch* _instance;
Glib::Threads::Thread* _thread;
samplepos_t _last_time;
bool _run_thread;
AutomationWatches automation_watches;
AutomationConnection automation_connections;
Glib::Threads::Mutex automation_watch_lock;
PBD::ScopedConnection transport_connection;
void transport_state_change ();
void remove_weak_automation_watch (boost::weak_ptr<ARDOUR::AutomationControl>);
void thread ();
};
} /* namespace */
#endif // __ardour_automation_watch_h__
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