/* 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 NODEFACTORY_H
#define NODEFACTORY_H

#include <list>
#include <map>
#include <string>
#include <pthread.h>
#include <glibmm/module.h>
#include "raul/SharedPtr.hpp"
#include "raul/URI.hpp"
#include "module/World.hpp"
#include "ingen-config.h"

namespace Ingen {

class NodeImpl;
class PatchImpl;
class PluginImpl;
#ifdef HAVE_SLV2
class LV2Info;
#endif


/** Loads plugins and creates Nodes from them.
 *
 * NodeFactory's responsibility is to get enough information to allow the
 * loading of a plugin possible (ie finding/opening shared libraries etc)
 *
 * The constructor of various Node types (ie LADSPANode) are responsible
 * for actually creating a Node instance of the plugin.
 *
 * \ingroup engine
 */
class NodeFactory
{
public:
	NodeFactory(Ingen::Shared::World* world);
	~NodeFactory();

	void load_plugins();

	typedef std::map<Raul::URI, PluginImpl*> Plugins;
	const Plugins& plugins() const { return _plugins; }

	PluginImpl* plugin(const Raul::URI& uri);

	/** DEPRECATED */
	PluginImpl* plugin(const std::string& type,
	                   const std::string& lib,
	                   const std::string& label);

private:
#ifdef HAVE_LADSPA_H
	void load_ladspa_plugins();
#endif

#ifdef HAVE_SLV2
	void load_lv2_plugins();
#endif

	void load_internal_plugins();

	Plugins               _plugins;
	Ingen::Shared::World* _world;
	bool                  _has_loaded;
#ifdef HAVE_SLV2
	SharedPtr<LV2Info>    _lv2_info;
#endif
};


} // namespace Ingen

#endif // NODEFACTORY_H