src/mpdclient.h

   1 #ifndef MPDCLIENT_H
   2 #define MPDCLIENT_H
   3
   4 #include "config.h"
   5 #include "playlist.h"
   6 #include "Compiler.h"
   7
   8 #include <mpd/client.h>
   9
  10 struct filelist;
  11
  12 struct mpdclient {
  13 #ifdef ENABLE_ASYNC_CONNECT
  14         struct mpd_settings *settings;
  15 #else
  16         const char *host;
  17         unsigned port;
  18 #endif
  19
  20         unsigned timeout_ms;
  21
  22         const char *password;
  23
  24         /* playlist */
  25         struct mpdclient_playlist playlist;
  26
  27 #ifdef ENABLE_ASYNC_CONNECT
  28         struct aconnect *async_connect;
  29 #endif
  30
  31         struct mpd_connection *connection;
  32
  33         /**
  34          * Tracks idle events.  It is automatically called by
  35          * mpdclient_get_connection().
  36          */
  37         struct mpd_glib_source *source;
  38
  39         struct mpd_status *status;
  40         const struct mpd_song *song;
  41
  42         /**
  43          * The GLib source id which re-enters MPD idle mode before the
  44          * next main loop interation.
  45          */
  46         unsigned enter_idle_source_id;
  47
  48         /**
  49          * This attribute is incremented whenever the connection changes
  50          * (i.e. on disconnection and (re-)connection).
  51          */
  52         unsigned connection_id;
  53
  54         int volume;
  55
  56         /**
  57          * A bit mask of idle events occurred since the last update.
  58          */
  59         enum mpd_idle events;
  60
  61         /**
  62          * This attribute is true when the connection is currently in
  63          * "idle" mode, and the #mpd_glib_source waits for an event.
  64          */
  65         bool idle;
  66
  67         /**
  68          * Is MPD currently playing?
  69          */
  70         bool playing;
  71 };
  72
  73 enum {
  74         /**
  75          * all idle events the version of libmpdclient, ncmpc is compiled
  76          * against, supports
  77          */
  78         MPD_IDLE_ALL = MPD_IDLE_DATABASE
  79                 | MPD_IDLE_STORED_PLAYLIST
  80                 | MPD_IDLE_QUEUE
  81                 | MPD_IDLE_PLAYER
  82                 | MPD_IDLE_MIXER
  83                 | MPD_IDLE_OUTPUT
  84                 | MPD_IDLE_OPTIONS
  85                 | MPD_IDLE_UPDATE
  86                 | MPD_IDLE_STICKER
  87                 | MPD_IDLE_SUBSCRIPTION
  88                 | MPD_IDLE_MESSAGE
  89 };
  90
  91 /** functions ***************************************************************/
  92
  93 bool
  94 mpdclient_handle_error(struct mpdclient *c);
  95
  96 static inline bool
  97 mpdclient_finish_command(struct mpdclient *c)
  98 {
  99         return mpd_response_finish(c->connection)
 100                 ? true : mpdclient_handle_error(c);
 101 }
 102
 103 struct mpdclient *
 104 mpdclient_new(const gchar *host, unsigned port,
 105               unsigned timeout_ms, const gchar *password);
 106
 107 void mpdclient_free(struct mpdclient *c);
 108
 109 gcc_pure
 110 static inline bool
 111 mpdclient_is_connected(const struct mpdclient *c)
 112 {
 113         return c->connection != NULL;
 114 }
 115
 116 /**
 117  * Is this object "dead"?  i.e. not connected and not currently doing
 118  * anything to connect.
 119  */
 120 gcc_pure
 121 static inline bool
 122 mpdclient_is_dead(const struct mpdclient *c)
 123 {
 124         return c->connection == NULL
 125 #ifdef ENABLE_ASYNC_CONNECT
 126                 && c->async_connect == NULL
 127 #endif
 128                 ;
 129 }
 130
 131 gcc_pure
 132 static inline bool
 133 mpdclient_is_playing(const struct mpdclient *c)
 134 {
 135         return c->status != NULL &&
 136                 (mpd_status_get_state(c->status) == MPD_STATE_PLAY ||
 137                  mpd_status_get_state(c->status) == MPD_STATE_PAUSE);
 138 }
 139
 140 gcc_pure
 141 static inline const struct mpd_song *
 142 mpdclient_get_current_song(const struct mpdclient *c)
 143 {
 144         return c->song != NULL && mpdclient_is_playing(c)
 145                 ? c->song
 146                 : NULL;
 147 }
 148
 149 void
 150 mpdclient_connect(struct mpdclient *c);
 151
 152 void
 153 mpdclient_disconnect(struct mpdclient *c);
 154
 155 bool
 156 mpdclient_update(struct mpdclient *c);
 157
 158 struct mpd_connection *
 159 mpdclient_get_connection(struct mpdclient *c);
 160
 161 /*** MPD Commands  **********************************************************/
 162
 163 bool
 164 mpdclient_cmd_crop(struct mpdclient *c);
 165
 166 bool
 167 mpdclient_cmd_clear(struct mpdclient *c);
 168
 169 bool
 170 mpdclient_cmd_volume(struct mpdclient *c, gint value);
 171
 172 bool
 173 mpdclient_cmd_volume_up(struct mpdclient *c);
 174
 175 bool
 176 mpdclient_cmd_volume_down(struct mpdclient *c);
 177
 178 bool
 179 mpdclient_cmd_add_path(struct mpdclient *c, const gchar *path);
 180
 181 bool
 182 mpdclient_cmd_add(struct mpdclient *c, const struct mpd_song *song);
 183
 184 bool
 185 mpdclient_cmd_delete(struct mpdclient *c, gint index);
 186
 187 bool
 188 mpdclient_cmd_delete_range(struct mpdclient *c, unsigned start, unsigned end);
 189
 190 bool
 191 mpdclient_cmd_move(struct mpdclient *c, unsigned dest, unsigned src);
 192
 193 bool
 194 mpdclient_cmd_subscribe(struct mpdclient *c, const char *channel);
 195
 196 bool
 197 mpdclient_cmd_unsubscribe(struct mpdclient *c, const char *channel);
 198
 199 bool
 200 mpdclient_cmd_send_message(struct mpdclient *c, const char *channel,
 201                            const char *text);
 202
 203 bool
 204 mpdclient_send_read_messages(struct mpdclient *c);
 205
 206 struct mpd_message *
 207 mpdclient_recv_message(struct mpdclient *c);
 208
 209 /*** playlist functions  **************************************************/
 210
 211 /* update the complete playlist */
 212 bool
 213 mpdclient_playlist_update(struct mpdclient *c);
 214
 215 /* get playlist changes */
 216 bool
 217 mpdclient_playlist_update_changes(struct mpdclient *c);
 218
 219 /* add all songs in filelist to the playlist */
 220 bool
 221 mpdclient_filelist_add_all(struct mpdclient *c, struct filelist *fl);
 222
 223 #endif