/* This file is part of Ingen.
 * Copyright (C) 2007-2009 Dave Robillard <http://drobilla.net>
 *
 * Ingen 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.
 *
 * Ingen 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 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.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef DISCONNECTNODEEVENT_H
#define DISCONNECTNODEEVENT_H

#include "raul/List.hpp"
#include "raul/Path.hpp"
#include "QueuedEvent.hpp"

namespace Ingen {

class PatchImpl;
class NodeImpl;
class Connection;
class PortImpl;
class InputPort;
class OutputPort;

namespace Events {

class Disconnect;


/** An event to disconnect all connections to a Node.
 *
 * \ingroup engine
 */
class DisconnectAll : public QueuedEvent
{
public:
	DisconnectAll(
			Engine&              engine,
			SharedPtr<Responder> responder,
			SampleCount          timestamp,
			const Raul::Path&    parent_path,
			const Raul::Path&    node_path);

	DisconnectAll(
			Engine&          engine,
			PatchImpl*       parent,
			GraphObjectImpl* object);

	~DisconnectAll();

	void pre_process();
	void execute(ProcessContext& context);
	void post_process();

private:
	enum ErrorType {
		NO_ERROR,
		INVALID_PARENT_PATH,
		PARENT_NOT_FOUND,
		OBJECT_NOT_FOUND,
	};

	Raul::Path              _parent_path;
	Raul::Path              _path;
	PatchImpl*              _parent;
	NodeImpl*               _node;
	PortImpl*               _port;
	Raul::List<Disconnect*> _disconnect_events;

	bool _lookup;
	bool _disconnect_parent;

	ErrorType _error;
};


} // namespace Ingen
} // namespace Events


#endif // DISCONNECTNODEEVENT_H