/*
	Copyright (C) 2006,2007 John Anderson
	Copyright (C) 2012 Paul Davis
	Copyright (C) 2017 Ben Loftis


	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_us2400_control_protocol_meter_h__
#define __ardour_us2400_control_protocol_meter_h__

#include "controls.h"
#include "midi_byte_array.h"

namespace ArdourSurface {

namespace US2400 {

class SurfacePort;

class Meter : public Control
{
public:
	Meter (int id, std::string name, Group & group)
		: Control  (id, name, group)
		, _enabled (false)
		, overload_on (false),
		last_update_segment (-1),
		llast_update_segment (-1)
		 {}


	void send_update (Surface&, float dB);
	bool enabled () const { return _enabled; }

	MidiByteArray zero();

	static Control* factory (Surface&, int id, const char*, Group&);

	void notify_metering_state_changed(Surface& surface, bool transport_is_rolling, bool metering_active);

  private:
	bool _enabled;
	bool overload_on;

	int	last_update_segment;
	int	llast_update_segment;
};

} // US2400 namespace
} // ArdourSurface namespace

#endif /* __ardour_us2400_control_protocol_meter_h__ */