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/*
    Copyright (C) 2007 Paul Davis
    Author: David Robillard

    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_control_h__
#define __ardour_automation_control_h__

#include <boost/shared_ptr.hpp>
#include "pbd/controllable.h"
#include "evoral/Control.hpp"
#include "ardour/automation_list.h"

namespace ARDOUR {

class Session;
class Automatable;


/** A PBD::Controllable with associated automation data (AutomationList)
 */
class AutomationControl : public PBD::Controllable, public Evoral::Control
{
public:
	AutomationControl(ARDOUR::Session&,
			const Evoral::Parameter& parameter,
			boost::shared_ptr<ARDOUR::AutomationList> l=boost::shared_ptr<ARDOUR::AutomationList>(),
			const std::string& name="");

	boost::shared_ptr<AutomationList> alist() const {
		return boost::dynamic_pointer_cast<AutomationList>(_list);
	}

	void set_list(boost::shared_ptr<Evoral::ControlList>);

	inline bool automation_playback() const {
		return ((ARDOUR::AutomationList*)_list.get())->automation_playback();
	}

	inline bool automation_write() const {
		return ((ARDOUR::AutomationList*)_list.get())->automation_write();
	}

	inline AutoState automation_state() const {
		return ((ARDOUR::AutomationList*)_list.get())->automation_state();
	}

	inline void set_automation_state(AutoState as) {
		return ((ARDOUR::AutomationList*)_list.get())->set_automation_state(as);
	}

	inline void start_touch(double when) {
		set_touching (true);
		return ((ARDOUR::AutomationList*)_list.get())->start_touch(when);
	}

	inline void stop_touch(bool mark, double when) {
		set_touching (false);
		return ((ARDOUR::AutomationList*)_list.get())->stop_touch(mark, when);
	}

	void set_value (double);
	double get_value () const;

	double lower() const { return parameter().min(); }
	double upper() const { return parameter().max(); }

	const ARDOUR::Session& session() const { return _session; }

	/** Convert user values to UI values.  See pbd/controllable.h */
	virtual double user_to_ui (double val) const {
		return val;
	}

	/** Convert UI values to user values.  See pbd/controllable.h */
	virtual double ui_to_user (double val) const {
		return val;
	}

protected:

	ARDOUR::Session& _session;
};


} // namespace ARDOUR

#endif /* __ardour_automation_control_h__ */