#ifndef NAVIT_AUDIO_H
#define NAVIT_AUDIO_H
#include "glib_slice.h"
#include "attr.h"
#include "item.h"
#include "xmlconfig.h"
#include <callback.h>

#ifdef __cplusplus
extern "C" {
#endif


#define AUDIO_PLAYBACK_TOGGLE -1
#define AUDIO_PLAYBACK_NEXT_TRACK -2
#define AUDIO_PLAYBACK_PREVIOUS_TRACK -3
#define AUDIO_PLAYBACK_NEXT_PLAYLIST -4
#define AUDIO_PLAYBACK_PREVIOUS_PLAYLIST -5
#define AUDIO_PLAYBACK_NEXT_ARTIST -6
#define AUDIO_PLAYBACK_PREVIOUS_ARTIST -7
#define AUDIO_MODE_TOGGLE_SHUFFLE -8
#define AUDIO_MODE_TOGGLE_REPEAT -9
#define AUDIO_MISC_DELETE_PLAYLIST -10
#define AUDIO_MISC_RELOAD_PLAYLISTS -11
#define AUDIO_PLAYBACK_PLAY -12
#define AUDIO_PLAYBACK_PAUSE -13

#define AUDIO_RAISE_VOLUME -1
#define AUDIO_LOWER_VOLUME -2
#define AUDIO_MUTE 0

#define STATUS_PLAYING 1
#define STATUS_RATING_POOR 2
#define STATUS_RATING_NORMAL 4
#define STATUS_RATING_GOOD 6

//#define AUDIO_MISC_DELETE_PLAYLIST -10
	struct audio_priv;

	struct audio_methods {
		int (*volume) (struct audio_priv * this_,
			       const int direction);
		int (*playback) (struct audio_priv * this_,
				 const int action);
		int (*action_do) (struct audio_priv * this_,
				  const int action);
		GList *(*tracks) (struct audio_priv * this_,
				  int playlist_index);
		GList *(*playlists) (struct audio_priv * this_);
		GList *(*actions) (struct audio_priv * this_);
		char *(*current_track) (struct audio_priv * this_);
		char *(*current_playlist) (struct audio_priv * this_);
		int (*attr_get) (struct audio_priv * priv,
				 enum attr_type type, struct attr * attr);
		int (*attr_set) (struct audio_priv * priv,
				 struct attr * attr);
	};


	struct audio {
		NAVIT_OBJECT char *name;
		struct callback_list *cbl;
		struct audio_methods meth;
		struct audio_priv *priv;
	};


	struct audio_playlist {
		char *name;
		char *icon;
		int index;
		int status;
	};

	struct audio_track {
		char *name;
		char *icon;
		int index;
		int status;
	};


/** actions which will be visible as a player toolbar in gui
 * 
 * */
	struct audio_actions {
		char *icon;
		int action;
	};



	int audio_get_attr(struct audio *this_, enum attr_type type,
			   struct attr *attr, struct attr_iter *iter);
	int audio_set_attr(struct audio *this_, struct attr *attr);
	int audio_add_attr(struct audio *this_, struct attr *attr);
	int audio_remove_attr(struct audio *this_, struct attr *attr);
/*
int audio_register_callback(struct audio* this_, enum attr_type *type, struct callback *cb);
int audio_unregister_callback(struct audio* this_, enum attr_type *type, struct callback *cb);
//*/
	struct audio *audio_new(struct attr *parent, struct attr **attrs);
//int change_volume(struct audio *this_, const int direction);
	void audio_play_track(struct navit *this, int track_index);
	GList *audio_get_playlists(struct navit *this);
	GList *audio_get_tracks(struct navit *this,
				const int playlist_index);
	void audio_set_volume(struct navit *this, int action);
	void audio_do_action(struct navit *this, int action);
	char *audio_get_current_playlist(struct navit *this);
	char *audio_get_current_track(struct navit *this);


#ifdef __cplusplus
}
#endif
#endif