/* This file is part of Patchage.
 * Copyright (C) 2008 Nedko Arnaudov <nedko@arnaudov.name>
 *
 * 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 PATCHAGE_JACKDBUSDRIVER_HPP
#define PATCHAGE_JACKDBUSDRIVER_HPP

#include <string>
#include <boost/shared_ptr.hpp>
#include <jack/jack.h>
#include <jack/statistics.h>
#include <glibmm/thread.h>
#include <dbus/dbus.h>
#include "Driver.hpp"
#include "Patchage.hpp"
#include "PatchageModule.hpp"

class PatchageEvent;
class PatchageFlowCanvas;
class PatchagePort;

class JackDriver : public Driver
{
public:
	explicit JackDriver(Patchage* app);
	~JackDriver();

	void attach(bool launch_daemon);
	void detach();

	bool is_attached() const;
	bool is_realtime() const;

	void refresh();
	void destroy_all();

	bool connect(
		boost::shared_ptr<PatchagePort> src,
		boost::shared_ptr<PatchagePort> dst);

	bool disconnect(
		boost::shared_ptr<PatchagePort> src,
		boost::shared_ptr<PatchagePort> dst);

	size_t get_xruns();
	void   reset_xruns();

	float get_max_dsp_load();
	void  reset_max_dsp_load();

	float          sample_rate();
	jack_nframes_t buffer_size();
	bool           set_buffer_size(jack_nframes_t size);

	void process_events(Patchage* app) {}

	boost::shared_ptr<PatchagePort> create_port_view(
			Patchage*     patchage,
			const PortID& ref);

private:
	void error_msg(const std::string& msg) const;
	void info_msg(const std::string& msg) const;

	boost::shared_ptr<PatchageModule> find_or_create_module(
		ModuleType type,
		const std::string& name);

	void add_port(
		boost::shared_ptr<PatchageModule>& module,
		PortType type,
		const std::string& name,
		bool is_input);

	void add_port(
		dbus_uint64_t client_id,
		const char *client_name,
		dbus_uint64_t port_id,
		const char *port_name,
		dbus_uint32_t port_flags,
		dbus_uint32_t port_type);

	void remove_port(
		dbus_uint64_t client_id,
		const char *client_name,
		dbus_uint64_t port_id,
		const char *port_name);

	void connect_ports(
		dbus_uint64_t connection_id,
		dbus_uint64_t client1_id,
		const char *client1_name,
		dbus_uint64_t port1_id,
		const char *port1_name,
		dbus_uint64_t client2_id,
		const char *client2_name,
		dbus_uint64_t port2_id,
		const char *port2_name);

	void disconnect_ports(
		dbus_uint64_t connection_id,
		dbus_uint64_t client1_id,
		const char *client1_name,
		dbus_uint64_t port1_id,
		const char *port1_name,
		dbus_uint64_t client2_id,
		const char *client2_name,
		dbus_uint64_t port2_id,
		const char *port2_name);

	bool call(
		bool response_expected,
		const char* iface,
		const char* method,
		DBusMessage ** reply_ptr_ptr,
		int in_type,
		...);

	void update_attached();

	bool is_started();

	void start_server();

	void stop_server();

	void refresh_internal(bool force);

	static DBusHandlerResult dbus_message_hook(
		DBusConnection *connection,
		DBusMessage *message,
		void *me);

	void on_jack_appeared();

	void on_jack_disappeared();

private:
	Patchage*       _app;
	DBusError       _dbus_error;
	DBusConnection* _dbus_connection;

	bool _server_responding;
	bool _server_started;

	dbus_uint64_t _graph_version;

	float _max_dsp_load;
};

#endif // PATCHAGE_JACKDBUSDRIVER_HPP