/*
  This file is part of Ingen.
  Copyright 2007-2012 David Robillard <http://drobilla.net/>

  Ingen is free software: you can redistribute it and/or modify it under the
  terms of the GNU Affero General Public License as published by the Free
  Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.

  You should have received a copy of the GNU Affero General Public License
  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef INGEN_INTERFACE_PATCH_HPP
#define INGEN_INTERFACE_PATCH_HPP

#include <map>
#include <utility>

#include "raul/SharedPtr.hpp"

#include "ingen/Node.hpp"

namespace Ingen {

class Connection;

/** A Path (graph of Nodes/Connections)
 *
 * \ingroup interface
 */
class Patch : virtual public Node
{
public:
	typedef std::pair<const Port*, const Port*> ConnectionsKey;
	typedef std::map< ConnectionsKey, SharedPtr<Connection> > Connections;

	virtual const Connections& connections() const = 0;

	virtual bool     enabled()       const = 0;
	virtual uint32_t internal_poly() const = 0;
};

} // namespace Ingen

#endif // INGEN_INTERFACE_PATCH_HPP