vcs.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) 2005-2007 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  * $Id$ */
  26
  27 #include "conky.h"
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <stdlib.h>
  31 #include <xmmsclient/xmmsclient.h>
  32
  33 #define CONN_INIT       0
  34 #define CONN_OK         1
  35 #define CONN_NO         2
  36
  37 /* callbacks */
  38
  39 static void xmms_alloc(struct information *ptr)
  40 {
  41         if (ptr->xmms2.status == NULL) {
  42                 ptr->xmms2.status = malloc(TEXT_BUFFER_SIZE);
  43                 ptr->xmms2.status[0] = '\0';
  44         }
  45
  46         if (ptr->xmms2.artist == NULL) {
  47                 ptr->xmms2.artist = malloc(TEXT_BUFFER_SIZE);
  48                 ptr->xmms2.artist[0] = '\0';
  49         }
  50
  51         if (ptr->xmms2.album == NULL) {
  52                 ptr->xmms2.album = malloc(TEXT_BUFFER_SIZE);
  53                 ptr->xmms2.album[0] = '\0';
  54         }
  55
  56         if (ptr->xmms2.title == NULL) {
  57                 ptr->xmms2.title = malloc(TEXT_BUFFER_SIZE);
  58                 ptr->xmms2.title[0] = '\0';
  59         }
  60
  61         if (ptr->xmms2.genre == NULL) {
  62                 ptr->xmms2.genre = malloc(TEXT_BUFFER_SIZE);
  63                 ptr->xmms2.genre[0] = '\0';
  64         }
  65
  66         if (ptr->xmms2.comment == NULL) {
  67                 ptr->xmms2.comment = malloc(TEXT_BUFFER_SIZE);
  68                 ptr->xmms2.comment[0] = '\0';
  69         }
  70
  71         if (ptr->xmms2.decoder == NULL) {
  72                 ptr->xmms2.decoder = malloc(TEXT_BUFFER_SIZE);
  73                 ptr->xmms2.decoder[0] = '\0';
  74         }
  75
  76         if (ptr->xmms2.transport == NULL) {
  77                 ptr->xmms2.transport = malloc(TEXT_BUFFER_SIZE);
  78                 ptr->xmms2.transport[0] = '\0';
  79         }
  80
  81         if (ptr->xmms2.url == NULL) {
  82                 ptr->xmms2.url = malloc(TEXT_BUFFER_SIZE);
  83                 ptr->xmms2.url[0] = '\0';
  84         }
  85
  86         if (ptr->xmms2.date == NULL) {
  87                 ptr->xmms2.date = malloc(TEXT_BUFFER_SIZE);
  88                 ptr->xmms2.date[0] = '\0';
  89         }
  90 }
  91
  92 static void xmms_clear(struct information *ptr)
  93 {
  94         xmms_alloc(ptr);
  95         ptr->xmms2.status[0] = '\0';
  96         ptr->xmms2.artist[0] = '\0';
  97         ptr->xmms2.album[0] = '\0';
  98         ptr->xmms2.title[0] = '\0';
  99         ptr->xmms2.genre[0] = '\0';
 100         ptr->xmms2.comment[0] = '\0';
 101         ptr->xmms2.decoder[0] = '\0';
 102         ptr->xmms2.transport[0] = '\0';
 103         ptr->xmms2.url[0] = '\0';
 104         ptr->xmms2.date[0] = '\0';
 105 }
 106
 107 void connection_lost(void *p)
 108 {
 109         struct information *ptr = p;
 110
 111         ptr->xmms2_conn_state = CONN_NO;
 112
 113         xmms_clear(ptr);
 114         ptr->xmms2.tracknr = 0;
 115         ptr->xmms2.id = 0;
 116         ptr->xmms2.bitrate = 0;
 117         ptr->xmms2.duration = 0;
 118         ptr->xmms2.elapsed = 0;
 119         ptr->xmms2.size = 0;
 120         ptr->xmms2.progress = 0;
 121 }
 122
 123 void handle_curent_id(xmmsc_result_t *res, void *p)
 124 {
 125         uint current_id;
 126         struct information *ptr = p;
 127
 128         if (xmmsc_result_get_uint(res, &current_id)) {
 129
 130                 xmmsc_result_t *res2;
 131
 132                 res2 = xmmsc_medialib_get_info(ptr->xmms2_conn, current_id);
 133                 xmmsc_result_wait(res2);
 134
 135                 xmms_clear(ptr);
 136
 137                 ptr->xmms2.id = current_id;
 138
 139                 char *temp;
 140
 141                 xmmsc_result_get_dict_entry_string(res2, "artist", &temp);
 142                 if (temp != NULL) {
 143                         strncpy(ptr->xmms2.artist, temp, TEXT_BUFFER_SIZE - 1);
 144                 } else {
 145                         strncpy(ptr->xmms2.artist, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 146                 }
 147
 148                 xmmsc_result_get_dict_entry_string(res2, "title", &temp);
 149                 if (temp != NULL) {
 150                         strncpy(ptr->xmms2.title, temp, TEXT_BUFFER_SIZE - 1);
 151                 } else {
 152                         strncpy(ptr->xmms2.title, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 153                 }
 154
 155                 xmmsc_result_get_dict_entry_string(res2, "album", &temp);
 156                 if (temp != NULL) {
 157                         strncpy(ptr->xmms2.album, temp, TEXT_BUFFER_SIZE - 1);
 158                 } else {
 159                         strncpy(ptr->xmms2.album, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 160                 }
 161
 162                 xmmsc_result_get_dict_entry_string(res2, "genre", &temp);
 163                 if (temp != NULL) {
 164
 165                         strncpy(ptr->xmms2.genre, temp, TEXT_BUFFER_SIZE - 1);
 166                 } else {
 167                         strncpy(ptr->xmms2.genre, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 168                 }
 169
 170                 xmmsc_result_get_dict_entry_string(res2, "comment", &temp);
 171                 if (temp != NULL) {
 172                         strncpy(ptr->xmms2.comment, temp, TEXT_BUFFER_SIZE - 1);
 173                 } else {
 174                         strncpy(ptr->xmms2.comment, "", TEXT_BUFFER_SIZE - 1);
 175                 }
 176
 177                 xmmsc_result_get_dict_entry_string(res2, "decoder", &temp);
 178                 if (temp != NULL) {
 179                         strncpy(ptr->xmms2.decoder, temp, TEXT_BUFFER_SIZE - 1);
 180                 } else {
 181                         strncpy(ptr->xmms2.decoder, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 182                 }
 183
 184                 xmmsc_result_get_dict_entry_string(res2, "transport", &temp);
 185                 if (temp != NULL) {
 186                         strncpy(ptr->xmms2.transport, temp, TEXT_BUFFER_SIZE - 1);
 187                 } else {
 188                         strncpy(ptr->xmms2.transport, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 189                 }
 190
 191                 xmmsc_result_get_dict_entry_string(res2, "url", &temp);
 192                 if (temp != NULL) {
 193                         strncpy(ptr->xmms2.url, temp, TEXT_BUFFER_SIZE - 1);
 194                 } else {
 195                         strncpy(ptr->xmms2.url, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 196                 }
 197
 198                 xmmsc_result_get_dict_entry_string(res2, "date", &temp);
 199                 if (temp != NULL) {
 200                         strncpy(ptr->xmms2.date, temp, TEXT_BUFFER_SIZE - 1);
 201                 } else {
 202                         strncpy(ptr->xmms2.date, "????", TEXT_BUFFER_SIZE - 1);
 203                 }
 204
 205                 int itemp;
 206
 207                 xmmsc_result_get_dict_entry_int(res2, "tracknr", &itemp);
 208                 ptr->xmms2.tracknr = itemp;
 209
 210                 xmmsc_result_get_dict_entry_int(res2, "duration", &itemp);
 211                 ptr->xmms2.duration = itemp;
 212
 213                 xmmsc_result_get_dict_entry_int(res2, "bitrate", &itemp);
 214                 ptr->xmms2.bitrate = itemp / 1000;
 215
 216                 xmmsc_result_get_dict_entry_int(res2, "size", &itemp);
 217                 ptr->xmms2.size = (float) itemp / 1048576;
 218
 219                 xmmsc_result_unref(res2);
 220         }
 221 }
 222
 223 void handle_playtime(xmmsc_result_t *res, void *p)
 224 {
 225         struct information *ptr = p;
 226         xmmsc_result_t *res2;
 227         uint play_time;
 228
 229         if (xmmsc_result_iserror(res)) {
 230                 return;
 231         }
 232
 233         if (!xmmsc_result_get_uint(res, &play_time)) {
 234                 return;
 235         }
 236
 237         res2 = xmmsc_result_restart(res);
 238         xmmsc_result_unref(res2);
 239
 240         ptr->xmms2.elapsed = play_time;
 241         ptr->xmms2.progress = (float) play_time / ptr->xmms2.duration;
 242 }
 243
 244 void handle_playback_state_change(xmmsc_result_t *res, void *p)
 245 {
 246         struct information *ptr = p;
 247         uint pb_state = 0;
 248
 249         if (xmmsc_result_iserror(res)) {
 250                 return;
 251         }
 252
 253         if (!xmmsc_result_get_uint(res, &pb_state)) {
 254                 return;
 255         }
 256
 257         switch (pb_state) {
 258                 case XMMS_PLAYBACK_STATUS_PLAY:
 259                         strncpy(ptr->xmms2.status, "Playing", TEXT_BUFFER_SIZE - 1);
 260                         break;
 261                 case XMMS_PLAYBACK_STATUS_PAUSE:
 262                         strncpy(ptr->xmms2.status, "Paused", TEXT_BUFFER_SIZE - 1);
 263                         break;
 264                 case XMMS_PLAYBACK_STATUS_STOP:
 265                         strncpy(ptr->xmms2.status, "Stopped", TEXT_BUFFER_SIZE - 1);
 266                         break;
 267                 default:
 268                         strncpy(ptr->xmms2.status, "Unknown", TEXT_BUFFER_SIZE - 1);
 269         }
 270 }
 271
 272 void update_xmms2()
 273 {
 274         struct information *current_info = &info;
 275
 276         /* initialize connection */
 277         if (current_info->xmms2_conn_state == CONN_INIT) {
 278
 279                 if (current_info->xmms2_conn == NULL) {
 280                         current_info->xmms2_conn = xmmsc_init("conky");
 281                 }
 282
 283                 /* did init fail? */
 284                 if (current_info->xmms2_conn == NULL) {
 285                         fprintf(stderr, "Conky: xmms2 init failed. %s\n",
 286                                 xmmsc_get_last_error(current_info->xmms2_conn));
 287                         fflush(stderr);
 288                         return;
 289                 }
 290
 291                 /* init ok but not connected yet.. */
 292                 current_info->xmms2_conn_state = CONN_NO;
 293
 294                 /* clear all values */
 295                 xmms_clear(current_info);
 296
 297                 current_info->xmms2.tracknr = 0;
 298                 current_info->xmms2.id = 0;
 299                 current_info->xmms2.bitrate = 0;
 300                 current_info->xmms2.duration = 0;
 301                 current_info->xmms2.elapsed = 0;
 302                 current_info->xmms2.size = 0;
 303                 current_info->xmms2.progress = 0;
 304
 305                 /* fprintf(stderr, "Conky: xmms2 init ok.\n");
 306                 fflush(stderr); */
 307         }
 308
 309         /* connect */
 310         if (current_info->xmms2_conn_state == CONN_NO) {
 311
 312                 char *path = getenv("XMMS_PATH");
 313
 314                 if (!xmmsc_connect(current_info->xmms2_conn, path)) {
 315                         fprintf(stderr, "Conky: xmms2 connection failed. %s\n",
 316                                 xmmsc_get_last_error(current_info->xmms2_conn));
 317                         fflush(stderr);
 318                         current_info->xmms2_conn_state = CONN_NO;
 319                         return;
 320                 }
 321
 322                 /* set callbacks */
 323                 xmmsc_disconnect_callback_set(current_info->xmms2_conn, connection_lost,
 324                         current_info);
 325                 XMMS_CALLBACK_SET(current_info->xmms2_conn, xmmsc_playback_current_id,
 326                         handle_curent_id, current_info);
 327                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 328                         xmmsc_broadcast_playback_current_id, handle_curent_id,
 329                         current_info);
 330                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 331                         xmmsc_signal_playback_playtime, handle_playtime, current_info);
 332                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 333                         xmmsc_broadcast_playback_status, handle_playback_state_change,
 334                         current_info);
 335
 336                 /* get playback status, it wont be broadcasted untill it chages */
 337                 xmmsc_result_t *res = xmmsc_playback_status(current_info->xmms2_conn);
 338
 339                 xmmsc_result_wait(res);
 340                 unsigned int pb_state;
 341
 342                 xmmsc_result_get_uint(res, &pb_state);
 343                 switch (pb_state) {
 344                         case XMMS_PLAYBACK_STATUS_PLAY:
 345                                 strncpy(current_info->xmms2.status, "Playing",
 346                                         TEXT_BUFFER_SIZE - 1);
 347                                 break;
 348                         case XMMS_PLAYBACK_STATUS_PAUSE:
 349                                 strncpy(current_info->xmms2.status, "Paused",
 350                                         TEXT_BUFFER_SIZE - 1);
 351                                 break;
 352                         case XMMS_PLAYBACK_STATUS_STOP:
 353                                 strncpy(current_info->xmms2.status, "Stopped",
 354                                         TEXT_BUFFER_SIZE - 1);
 355                                 break;
 356                         default:
 357                                 strncpy(current_info->xmms2.status, "Unknown",
 358                                         TEXT_BUFFER_SIZE - 1);
 359                 }
 360                 xmmsc_result_unref(res);
 361
 362                 /* everything seems to be ok */
 363                 current_info->xmms2_conn_state = CONN_OK;
 364
 365                 /* fprintf(stderr, "Conky: xmms2 connected.\n");
 366                 fflush(stderr); */
 367         }
 368
 369         /* handle callbacks */
 370         if (current_info->xmms2_conn_state == CONN_OK) {
 371                 struct timeval tmout;
 372
 373                 tmout.tv_sec = 0;
 374                 tmout.tv_usec = 100;
 375
 376                 select(current_info->xmms2_fd + 1, &current_info->xmms2_fdset, NULL,
 377                         NULL, &tmout);
 378
 379                 xmmsc_io_in_handle(current_info->xmms2_conn);
 380                 if (xmmsc_io_want_out(current_info->xmms2_conn)) {
 381                         xmmsc_io_out_handle(current_info->xmms2_conn);
 382                 }
 383         }
 384 }