/* This file is part of Patchage.
 * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
 * 
 * Patchage 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.
 * 
 * Patchage 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 PATCHAGECANVAS_H
#define PATCHAGECANVAS_H

#include CONFIG_H_PATH
#include <string>
#ifdef HAVE_ALSA
#include <alsa/asoundlib.h>
#endif
#include <flowcanvas/Canvas.hpp>
#include "StateManager.hpp"

class Patchage;
class PatchageModule;
class PatchagePort;

using std::string;
using namespace FlowCanvas;

class PatchageCanvas : public Canvas {
public:
	PatchageCanvas(Patchage* _app, int width, int height);
	
	boost::shared_ptr<PatchageModule> find_module(const string& name, ModuleType type);
#ifdef HAVE_ALSA
	boost::shared_ptr<PatchagePort> find_port(snd_seq_addr_t alsa_addr, bool input);
#endif
	void connect(boost::shared_ptr<Connectable> port1, boost::shared_ptr<Connectable> port2);
	void disconnect(boost::shared_ptr<Connectable> port1, boost::shared_ptr<Connectable> port2);

	void status_message(const string& msg);
	
	boost::shared_ptr<Item> get_item(const string& name);
	boost::shared_ptr<Port> get_port(const string& module_name,
                                     const string& port_name);

private:
	Patchage* _app;
};


#endif // PATCHAGECANVAS_H