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/*
    Copyright (C) 2016 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.
*/

#include "ardour/monitor_control.h"

#include "pbd/i18n.h"

using namespace ARDOUR;
using namespace PBD;

MonitorControl::MonitorControl (Session& session, std::string const & name, Monitorable& m)
	: SlavableAutomationControl (session, MonitoringAutomation, ParameterDescriptor (MonitoringAutomation),
	                             boost::shared_ptr<AutomationList>(new AutomationList(Evoral::Parameter(MonitoringAutomation))),
	                             name)

	, _monitorable (m)
	, _monitoring (MonitorAuto)
{
	_list->set_interpolation(Evoral::ControlList::Discrete);
	/* monitoring changes must be synchronized by the process cycle */
	set_flags (Controllable::Flag (flags() | Controllable::RealTime));
}

void
MonitorControl::actually_set_value (double val, Controllable::GroupControlDisposition gcd)
{
	int v = (int) val;
	switch (v) {
	case MonitorAuto:
	case MonitorInput:
	case MonitorDisk:
	case MonitorCue:
		break;
	default:
		/* illegal value */
		return;
	}

	_monitoring = MonitorChoice (v);
	AutomationControl::actually_set_value (val, gcd);
}

XMLNode&
MonitorControl::get_state ()
{
	XMLNode& node (SlavableAutomationControl::get_state());
	node.add_property (X_("monitoring"), enum_2_string (_monitoring));
	return node;
}

int
MonitorControl::set_state (XMLNode const & node, int version)
{
	SlavableAutomationControl::set_state (node, version);

	const XMLProperty* prop;

	if ((prop = node.property (X_("monitoring"))) != 0) {
		_monitoring = MonitorChoice (string_2_enum (prop->value(), _monitoring));
	} else {
		_monitoring = MonitorAuto;
	}

	return 0;
}