/* This file is part of Ingen.
 * Copyright 2007-2011 David 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 INGEN_CLIENT_PATCHMODEL_HPP
#define INGEN_CLIENT_PATCHMODEL_HPP

#include "raul/SharedPtr.hpp"

#include "ingen/Patch.hpp"
#include "NodeModel.hpp"

namespace Ingen {

class Port;

namespace Client {

class ClientStore;
class ConnectionModel;

/** Client's model of a patch.
 *
 * \ingroup IngenClient
 */
class PatchModel : public NodeModel, public Ingen::Patch
{
public:
	/* WARNING: Copy constructor creates a shallow copy WRT connections */

	const Connections& connections() const { return *_connections.get(); }

	SharedPtr<ConnectionModel> get_connection(const Ingen::Port* src_port,
	                                          const Ingen::Port* dst_port);

	bool     enabled()       const;
	bool     polyphonic()    const;
	uint32_t internal_poly() const;

	/** "editable" = arranging,connecting,adding,deleting,etc
	 * not editable (control mode) you can just change controllers (performing)
	 */
	bool get_editable() const { return _editable; }
	void set_editable(bool e) const {
		if (_editable != e) {
			_editable = e;
			const_cast<PatchModel*>(this)->signal_editable().emit(e);
		}
	}

	// Signals
	INGEN_SIGNAL(new_node, void, SharedPtr<NodeModel>);
	INGEN_SIGNAL(removed_node, void, SharedPtr<NodeModel>);
	INGEN_SIGNAL(new_connection, void, SharedPtr<ConnectionModel>);
	INGEN_SIGNAL(removed_connection, void, SharedPtr<ConnectionModel>);
	INGEN_SIGNAL(editable, void, bool);

private:
	friend class ClientStore;

	PatchModel(Shared::LV2URIMap& uris, const Raul::Path& patch_path)
		: NodeModel(uris, "http://drobilla.net/ns/ingen#Patch", patch_path)
		, _connections(new Connections())
		, _editable(true)
	{
	}

	void clear();
	void add_child(SharedPtr<ObjectModel> c);
	bool remove_child(SharedPtr<ObjectModel> c);

	void add_connection(SharedPtr<ConnectionModel> cm);
	void remove_connection(const Ingen::Port* src_port,
	                       const Ingen::Port* dst_port);

	SharedPtr<Connections> _connections;
	mutable bool           _editable;
};

} // namespace Client
} // namespace Ingen

#endif // INGEN_CLIENT_PATCHMODEL_HPP