git.maemo.org Git - monky/blob - src/xmms2.c

   1 /* Conky, a system monitor, based on torsmo
   2  *
   3  * Any original torsmo code is licensed under the BSD license
   4  *
   5  * All code written since the fork of torsmo is licensed under the GPL
   6  *
   7  * Please see COPYING for details
   8  *
   9  * Copyright (c) 2005-2008 Brenden Matthews, Philip Kovacs, et. al.
  10  *      (see AUTHORS)
  11  * All rights reserved.
  12  *
  13  * This program is free software: you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation, either version 3 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24  *
  25  */
  26
  27 #include "conky.h"
  28 #include <xmmsclient/xmmsclient.h>
  29
  30 #define CONN_INIT       0
  31 #define CONN_OK         1
  32 #define CONN_NO         2
  33
  34 /* callbacks */
  35
  36 static void xmms_alloc(struct information *ptr)
  37 {
  38         if (ptr->xmms2.status == NULL) {
  39                 ptr->xmms2.status = malloc(text_buffer_size);
  40                 ptr->xmms2.status[0] = '\0';
  41         }
  42
  43         if (ptr->xmms2.artist == NULL) {
  44                 ptr->xmms2.artist = malloc(text_buffer_size);
  45                 ptr->xmms2.artist[0] = '\0';
  46         }
  47
  48         if (ptr->xmms2.album == NULL) {
  49                 ptr->xmms2.album = malloc(text_buffer_size);
  50                 ptr->xmms2.album[0] = '\0';
  51         }
  52
  53         if (ptr->xmms2.title == NULL) {
  54                 ptr->xmms2.title = malloc(text_buffer_size);
  55                 ptr->xmms2.title[0] = '\0';
  56         }
  57
  58         if (ptr->xmms2.genre == NULL) {
  59                 ptr->xmms2.genre = malloc(text_buffer_size);
  60                 ptr->xmms2.genre[0] = '\0';
  61         }
  62
  63         if (ptr->xmms2.comment == NULL) {
  64                 ptr->xmms2.comment = malloc(text_buffer_size);
  65                 ptr->xmms2.comment[0] = '\0';
  66         }
  67
  68         if (ptr->xmms2.url == NULL) {
  69                 ptr->xmms2.url = malloc(text_buffer_size);
  70                 ptr->xmms2.url[0] = '\0';
  71         }
  72
  73         if (ptr->xmms2.date == NULL) {
  74                 ptr->xmms2.date = malloc(text_buffer_size);
  75                 ptr->xmms2.date[0] = '\0';
  76         }
  77 }
  78
  79 static void xmms_clear(struct information *ptr)
  80 {
  81         xmms_alloc(ptr);
  82         ptr->xmms2.artist[0] = '\0';
  83         ptr->xmms2.album[0] = '\0';
  84         ptr->xmms2.title[0] = '\0';
  85         ptr->xmms2.genre[0] = '\0';
  86         ptr->xmms2.comment[0] = '\0';
  87         ptr->xmms2.url[0] = '\0';
  88         ptr->xmms2.date[0] = '\0';
  89
  90         ptr->xmms2.tracknr = 0;
  91         ptr->xmms2.id = 0;
  92         ptr->xmms2.bitrate = 0;
  93         ptr->xmms2.duration = 0;
  94         ptr->xmms2.elapsed = 0;
  95         ptr->xmms2.size = 0;
  96         ptr->xmms2.progress = 0;
  97         ptr->xmms2.timesplayed = -1;
  98 }
  99
 100 void connection_lost(void *p)
 101 {
 102         struct information *ptr = p;
 103         ptr->xmms2_conn_state = CONN_NO;
 104
 105         fprintf(stderr,PACKAGE_NAME": xmms2 connection failed. %s\n",
 106                     xmmsc_get_last_error ( ptr->xmms2_conn ));
 107         fflush(stderr);
 108
 109         xmms_clear(ptr);
 110 }
 111
 112 void handle_curent_id(xmmsc_result_t *res, void *p)
 113 {
 114         uint current_id;
 115         struct information *ptr = p;
 116
 117         if (xmmsc_result_get_uint(res, &current_id)) {
 118
 119                 xmmsc_result_t *res2;
 120
 121                 res2 = xmmsc_medialib_get_info(ptr->xmms2_conn, current_id);
 122                 xmmsc_result_wait(res2);
 123
 124                 xmms_clear(ptr);
 125
 126                 ptr->xmms2.id = current_id;
 127
 128                 char *temp;
 129
 130                 xmmsc_result_get_dict_entry_string(res2, "artist", &temp);
 131                 if (temp != NULL) {
 132                         strncpy(ptr->xmms2.artist, temp, text_buffer_size - 1);
 133                 } else {
 134                         strncpy(ptr->xmms2.artist, "[Unknown]", text_buffer_size - 1);
 135                 }
 136
 137                 xmmsc_result_get_dict_entry_string(res2, "title", &temp);
 138                 if (temp != NULL) {
 139                         strncpy(ptr->xmms2.title, temp, text_buffer_size - 1);
 140                 } else {
 141                         strncpy(ptr->xmms2.title, "[Unknown]", text_buffer_size - 1);
 142                 }
 143
 144                 xmmsc_result_get_dict_entry_string(res2, "album", &temp);
 145                 if (temp != NULL) {
 146                         strncpy(ptr->xmms2.album, temp, text_buffer_size - 1);
 147                 } else {
 148                         strncpy(ptr->xmms2.album, "[Unknown]", text_buffer_size - 1);
 149                 }
 150
 151                 xmmsc_result_get_dict_entry_string(res2, "genre", &temp);
 152                 if (temp != NULL) {
 153
 154                         strncpy(ptr->xmms2.genre, temp, text_buffer_size - 1);
 155                 } else {
 156                         strncpy(ptr->xmms2.genre, "[Unknown]", text_buffer_size - 1);
 157                 }
 158
 159                 xmmsc_result_get_dict_entry_string(res2, "comment", &temp);
 160                 if (temp != NULL) {
 161                         strncpy(ptr->xmms2.comment, temp, text_buffer_size - 1);
 162                 } else {
 163                         strncpy(ptr->xmms2.comment, "", text_buffer_size - 1);
 164                 }
 165
 166                 xmmsc_result_get_dict_entry_string(res2, "url", &temp);
 167                 if (temp != NULL) {
 168                         strncpy(ptr->xmms2.url, temp, text_buffer_size - 1);
 169                 } else {
 170                         strncpy(ptr->xmms2.url, "[Unknown]", text_buffer_size - 1);
 171                 }
 172
 173                 xmmsc_result_get_dict_entry_string(res2, "date", &temp);
 174                 if (temp != NULL) {
 175                         strncpy(ptr->xmms2.date, temp, text_buffer_size - 1);
 176                 } else {
 177                         strncpy(ptr->xmms2.date, "????", text_buffer_size - 1);
 178                 }
 179
 180                 int itemp;
 181
 182                 xmmsc_result_get_dict_entry_int(res2, "tracknr", &itemp);
 183                 ptr->xmms2.tracknr = itemp;
 184
 185                 xmmsc_result_get_dict_entry_int(res2, "duration", &itemp);
 186                 ptr->xmms2.duration = itemp;
 187
 188                 xmmsc_result_get_dict_entry_int(res2, "bitrate", &itemp);
 189                 ptr->xmms2.bitrate = itemp / 1000;
 190
 191                 xmmsc_result_get_dict_entry_int(res2, "size", &itemp);
 192                 ptr->xmms2.size = (float) itemp / 1048576;
 193
 194                 xmmsc_result_get_dict_entry_int( res2, "timesplayed", &itemp );
 195                 ptr->xmms2.timesplayed = itemp;
 196
 197                 xmmsc_result_unref(res2);
 198         }
 199 }
 200
 201 void handle_playtime(xmmsc_result_t *res, void *p)
 202 {
 203         struct information *ptr = p;
 204         xmmsc_result_t *res2;
 205         uint play_time;
 206
 207         if (xmmsc_result_iserror(res)) {
 208                 return;
 209         }
 210
 211         if (!xmmsc_result_get_uint(res, &play_time)) {
 212                 return;
 213         }
 214
 215         res2 = xmmsc_result_restart(res);
 216         xmmsc_result_unref(res2);
 217
 218         ptr->xmms2.elapsed = play_time;
 219         ptr->xmms2.progress = (float) play_time / ptr->xmms2.duration;
 220 }
 221
 222 void handle_playback_state_change(xmmsc_result_t *res, void *p)
 223 {
 224         struct information *ptr = p;
 225         uint pb_state = 0;
 226
 227         if (xmmsc_result_iserror(res)) {
 228                 return;
 229         }
 230
 231         if (!xmmsc_result_get_uint(res, &pb_state)) {
 232                 return;
 233         }
 234
 235         switch (pb_state) {
 236                 case XMMS_PLAYBACK_STATUS_PLAY:
 237                         strncpy(ptr->xmms2.status, "Playing", text_buffer_size - 1);
 238                         break;
 239                 case XMMS_PLAYBACK_STATUS_PAUSE:
 240                         strncpy(ptr->xmms2.status, "Paused", text_buffer_size - 1);
 241                         break;
 242                 case XMMS_PLAYBACK_STATUS_STOP:
 243                         strncpy(ptr->xmms2.status, "Stopped", text_buffer_size - 1);
 244                         break;
 245                 default:
 246                         strncpy(ptr->xmms2.status, "Unknown", text_buffer_size - 1);
 247         }
 248 }
 249
 250 void handle_playlist_loaded(xmmsc_result_t *res, void *p) {
 251         struct information *ptr = p;
 252
 253         if (ptr->xmms2.playlist == NULL) {
 254                 ptr->xmms2.playlist = malloc(text_buffer_size);
 255                 ptr->xmms2.playlist[0] = '\0';
 256         }
 257
 258         if (!xmmsc_result_get_string(res, &ptr->xmms2.playlist))  {
 259                 ptr->xmms2.playlist[0] = '\0';
 260         }
 261
 262 }
 263
 264 void update_xmms2()
 265 {
 266         struct information *current_info = &info;
 267
 268         /* initialize connection */
 269         if (current_info->xmms2_conn_state == CONN_INIT) {
 270
 271                 if (current_info->xmms2_conn == NULL) {
 272                         current_info->xmms2_conn = xmmsc_init(PACKAGE);
 273                 }
 274
 275                 /* did init fail? */
 276                 if (current_info->xmms2_conn == NULL) {
 277                         fprintf(stderr, PACKAGE_NAME": xmms2 init failed. %s\n",
 278                                         xmmsc_get_last_error(current_info->xmms2_conn));
 279                         fflush(stderr);
 280                         return;
 281                 }
 282
 283                 /* init ok but not connected yet.. */
 284                 current_info->xmms2_conn_state = CONN_NO;
 285
 286                 /* clear all values */
 287                 xmms_clear(current_info);
 288
 289                 /* fprintf(stderr, PACKAGE_NAME": xmms2 init ok.\n");
 290                 fflush(stderr); */
 291         }
 292
 293         /* connect */
 294         if (current_info->xmms2_conn_state == CONN_NO) {
 295
 296                 char *path = getenv("XMMS_PATH");
 297
 298                 if (!xmmsc_connect(current_info->xmms2_conn, path)) {
 299                         fprintf(stderr, PACKAGE_NAME": xmms2 connection failed. %s\n",
 300                                 xmmsc_get_last_error(current_info->xmms2_conn));
 301                         fflush(stderr);
 302                         current_info->xmms2_conn_state = CONN_NO;
 303                         return;
 304                 }
 305
 306                 /* set callbacks */
 307                 xmmsc_disconnect_callback_set(current_info->xmms2_conn, connection_lost,
 308                         current_info);
 309                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 310                         xmmsc_broadcast_playback_current_id, handle_curent_id,
 311                         current_info);
 312                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 313                         xmmsc_signal_playback_playtime, handle_playtime, current_info);
 314                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 315                         xmmsc_broadcast_playback_status, handle_playback_state_change,
 316                         current_info);
 317                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 318                         xmmsc_broadcast_playlist_loaded, handle_playlist_loaded,
 319                         current_info);
 320                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 321                         xmmsc_broadcast_medialib_entry_changed, handle_curent_id,
 322                         current_info);
 323
 324                 /* get playback status, current id and active playlist */
 325                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 326                                 xmmsc_playback_current_id, handle_curent_id, current_info);
 327                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 328                                 xmmsc_playback_status, handle_playback_state_change, current_info);
 329                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 330                                 xmmsc_playlist_current_active, handle_playlist_loaded, current_info);
 331
 332                 /* everything seems to be ok */
 333                 current_info->xmms2_conn_state = CONN_OK;
 334
 335                 /* fprintf(stderr, PACKAGE_NAME": xmms2 connected.\n");
 336                 fflush(stderr); */
 337         }
 338
 339         /* handle callbacks */
 340         if (current_info->xmms2_conn_state == CONN_OK) {
 341
 342                 xmmsc_io_in_handle(current_info->xmms2_conn);
 343                 if (xmmsc_io_want_out(current_info->xmms2_conn)) {
 344                         xmmsc_io_out_handle(current_info->xmms2_conn);
 345                 }
 346         }
 347 }