/*
  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_CLIENT_PATCHMODEL_HPP
#define INGEN_CLIENT_PATCHMODEL_HPP

#include "raul/SharedPtr.hpp"

#include "ingen/Patch.hpp"
#include "ingen/client/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::URIs& 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