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) 2005-2008 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  * $Id$ */
  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.url == NULL) {
  72                 ptr->xmms2.url = malloc(TEXT_BUFFER_SIZE);
  73                 ptr->xmms2.url[0] = '\0';
  74         }
  75
  76         if (ptr->xmms2.date == NULL) {
  77                 ptr->xmms2.date = malloc(TEXT_BUFFER_SIZE);
  78                 ptr->xmms2.date[0] = '\0';
  79         }
  80 }
  81
  82 static void xmms_clear(struct information *ptr)
  83 {
  84         xmms_alloc(ptr);
  85         ptr->xmms2.artist[0] = '\0';
  86         ptr->xmms2.album[0] = '\0';
  87         ptr->xmms2.title[0] = '\0';
  88         ptr->xmms2.genre[0] = '\0';
  89         ptr->xmms2.comment[0] = '\0';
  90         ptr->xmms2.url[0] = '\0';
  91         ptr->xmms2.date[0] = '\0';
  92
  93         ptr->xmms2.tracknr = 0;
  94         ptr->xmms2.id = 0;
  95         ptr->xmms2.bitrate = 0;
  96         ptr->xmms2.duration = 0;
  97         ptr->xmms2.elapsed = 0;
  98         ptr->xmms2.size = 0;
  99         ptr->xmms2.progress = 0;
 100         ptr->xmms2.timesplayed = -1;
 101 }
 102
 103 void connection_lost(void *p)
 104 {
 105         struct information *ptr = p;
 106         ptr->xmms2_conn_state = CONN_NO;
 107
 108         fprintf(stderr,"Conky: xmms2 connection failed. %s\n",
 109                     xmmsc_get_last_error ( ptr->xmms2_conn ));
 110         fflush(stderr);
 111
 112         xmms_clear(ptr);
 113 }
 114
 115 void handle_curent_id(xmmsc_result_t *res, void *p)
 116 {
 117         uint current_id;
 118         struct information *ptr = p;
 119
 120         if (xmmsc_result_get_uint(res, &current_id)) {
 121
 122                 xmmsc_result_t *res2;
 123
 124                 res2 = xmmsc_medialib_get_info(ptr->xmms2_conn, current_id);
 125                 xmmsc_result_wait(res2);
 126
 127                 xmms_clear(ptr);
 128
 129                 ptr->xmms2.id = current_id;
 130
 131                 char *temp;
 132
 133                 xmmsc_result_get_dict_entry_string(res2, "artist", &temp);
 134                 if (temp != NULL) {
 135                         strncpy(ptr->xmms2.artist, temp, TEXT_BUFFER_SIZE - 1);
 136                 } else {
 137                         strncpy(ptr->xmms2.artist, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 138                 }
 139
 140                 xmmsc_result_get_dict_entry_string(res2, "title", &temp);
 141                 if (temp != NULL) {
 142                         strncpy(ptr->xmms2.title, temp, TEXT_BUFFER_SIZE - 1);
 143                 } else {
 144                         strncpy(ptr->xmms2.title, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 145                 }
 146
 147                 xmmsc_result_get_dict_entry_string(res2, "album", &temp);
 148                 if (temp != NULL) {
 149                         strncpy(ptr->xmms2.album, temp, TEXT_BUFFER_SIZE - 1);
 150                 } else {
 151                         strncpy(ptr->xmms2.album, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 152                 }
 153
 154                 xmmsc_result_get_dict_entry_string(res2, "genre", &temp);
 155                 if (temp != NULL) {
 156
 157                         strncpy(ptr->xmms2.genre, temp, TEXT_BUFFER_SIZE - 1);
 158                 } else {
 159                         strncpy(ptr->xmms2.genre, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 160                 }
 161
 162                 xmmsc_result_get_dict_entry_string(res2, "comment", &temp);
 163                 if (temp != NULL) {
 164                         strncpy(ptr->xmms2.comment, temp, TEXT_BUFFER_SIZE - 1);
 165                 } else {
 166                         strncpy(ptr->xmms2.comment, "", TEXT_BUFFER_SIZE - 1);
 167                 }
 168
 169                 xmmsc_result_get_dict_entry_string(res2, "url", &temp);
 170                 if (temp != NULL) {
 171                         strncpy(ptr->xmms2.url, temp, TEXT_BUFFER_SIZE - 1);
 172                 } else {
 173                         strncpy(ptr->xmms2.url, "[Unknown]", TEXT_BUFFER_SIZE - 1);
 174                 }
 175
 176                 xmmsc_result_get_dict_entry_string(res2, "date", &temp);
 177                 if (temp != NULL) {
 178                         strncpy(ptr->xmms2.date, temp, TEXT_BUFFER_SIZE - 1);
 179                 } else {
 180                         strncpy(ptr->xmms2.date, "????", TEXT_BUFFER_SIZE - 1);
 181                 }
 182
 183                 int itemp;
 184
 185                 xmmsc_result_get_dict_entry_int(res2, "tracknr", &itemp);
 186                 ptr->xmms2.tracknr = itemp;
 187
 188                 xmmsc_result_get_dict_entry_int(res2, "duration", &itemp);
 189                 ptr->xmms2.duration = itemp;
 190
 191                 xmmsc_result_get_dict_entry_int(res2, "bitrate", &itemp);
 192                 ptr->xmms2.bitrate = itemp / 1000;
 193
 194                 xmmsc_result_get_dict_entry_int(res2, "size", &itemp);
 195                 ptr->xmms2.size = (float) itemp / 1048576;
 196
 197                 xmmsc_result_get_dict_entry_int( res2, "timesplayed", &itemp );
 198                 ptr->xmms2.timesplayed = itemp;
 199
 200                 xmmsc_result_unref(res2);
 201         }
 202 }
 203
 204 void handle_playtime(xmmsc_result_t *res, void *p)
 205 {
 206         struct information *ptr = p;
 207         xmmsc_result_t *res2;
 208         uint play_time;
 209
 210         if (xmmsc_result_iserror(res)) {
 211                 return;
 212         }
 213
 214         if (!xmmsc_result_get_uint(res, &play_time)) {
 215                 return;
 216         }
 217
 218         res2 = xmmsc_result_restart(res);
 219         xmmsc_result_unref(res2);
 220
 221         ptr->xmms2.elapsed = play_time;
 222         ptr->xmms2.progress = (float) play_time / ptr->xmms2.duration;
 223 }
 224
 225 void handle_playback_state_change(xmmsc_result_t *res, void *p)
 226 {
 227         struct information *ptr = p;
 228         uint pb_state = 0;
 229
 230         if (xmmsc_result_iserror(res)) {
 231                 return;
 232         }
 233
 234         if (!xmmsc_result_get_uint(res, &pb_state)) {
 235                 return;
 236         }
 237
 238         switch (pb_state) {
 239                 case XMMS_PLAYBACK_STATUS_PLAY:
 240                         strncpy(ptr->xmms2.status, "Playing", TEXT_BUFFER_SIZE - 1);
 241                         break;
 242                 case XMMS_PLAYBACK_STATUS_PAUSE:
 243                         strncpy(ptr->xmms2.status, "Paused", TEXT_BUFFER_SIZE - 1);
 244                         break;
 245                 case XMMS_PLAYBACK_STATUS_STOP:
 246                         strncpy(ptr->xmms2.status, "Stopped", TEXT_BUFFER_SIZE - 1);
 247                         break;
 248                 default:
 249                         strncpy(ptr->xmms2.status, "Unknown", TEXT_BUFFER_SIZE - 1);
 250         }
 251 }
 252
 253 void handle_playlist_loaded(xmmsc_result_t *res, void *p) {
 254         struct information *ptr = p;
 255
 256         if (ptr->xmms2.playlist == NULL) {
 257                 ptr->xmms2.playlist = malloc(TEXT_BUFFER_SIZE);
 258                 ptr->xmms2.playlist[0] = '\0';
 259         }
 260
 261         if (!xmmsc_result_get_string(res, &ptr->xmms2.playlist))  {
 262                 ptr->xmms2.playlist[0] = '\0';
 263         }
 264
 265 }
 266
 267 void update_xmms2()
 268 {
 269         struct information *current_info = &info;
 270
 271         /* initialize connection */
 272         if (current_info->xmms2_conn_state == CONN_INIT) {
 273
 274                 if (current_info->xmms2_conn == NULL) {
 275                         current_info->xmms2_conn = xmmsc_init("conky");
 276                 }
 277
 278                 /* did init fail? */
 279                 if (current_info->xmms2_conn == NULL) {
 280                         fprintf(stderr, "Conky: xmms2 init failed. %s\n",
 281                                         xmmsc_get_last_error(current_info->xmms2_conn));
 282                         fflush(stderr);
 283                         return;
 284                 }
 285
 286                 /* init ok but not connected yet.. */
 287                 current_info->xmms2_conn_state = CONN_NO;
 288
 289                 /* clear all values */
 290                 xmms_clear(current_info);
 291
 292                 /* fprintf(stderr, "Conky: xmms2 init ok.\n");
 293                 fflush(stderr); */
 294         }
 295
 296         /* connect */
 297         if (current_info->xmms2_conn_state == CONN_NO) {
 298
 299                 char *path = getenv("XMMS_PATH");
 300
 301                 if (!xmmsc_connect(current_info->xmms2_conn, path)) {
 302                         fprintf(stderr, "Conky: xmms2 connection failed. %s\n",
 303                                 xmmsc_get_last_error(current_info->xmms2_conn));
 304                         fflush(stderr);
 305                         current_info->xmms2_conn_state = CONN_NO;
 306                         return;
 307                 }
 308
 309                 /* set callbacks */
 310                 xmmsc_disconnect_callback_set(current_info->xmms2_conn, connection_lost,
 311                         current_info);
 312                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 313                         xmmsc_broadcast_playback_current_id, handle_curent_id,
 314                         current_info);
 315                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 316                         xmmsc_signal_playback_playtime, handle_playtime, current_info);
 317                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 318                         xmmsc_broadcast_playback_status, handle_playback_state_change,
 319                         current_info);
 320                 XMMS_CALLBACK_SET(current_info->xmms2_conn,
 321                                 xmmsc_broadcast_playlist_loaded, handle_playlist_loaded,
 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, "Conky: xmms2 connected.\n");
 336                 fflush(stderr); */
 337         }
 338
 339         /* handle callbacks */
 340         if (current_info->xmms2_conn_state == CONN_OK) {
 341                 struct timeval tmout;
 342
 343                 tmout.tv_sec = 0;
 344                 tmout.tv_usec = 100;
 345
 346                 select(current_info->xmms2_fd + 1, &current_info->xmms2_fdset, NULL,
 347                         NULL, &tmout);
 348
 349                 xmmsc_io_in_handle(current_info->xmms2_conn);
 350                 if (xmmsc_io_want_out(current_info->xmms2_conn)) {
 351                         xmmsc_io_out_handle(current_info->xmms2_conn);
 352                 }
 353         }
 354 }