src/music.c

   1 /* logjam - a GTK client for LiveJournal.
   2  * Copyright (C) 2000-2003 Evan Martin <evan@livejournal.com>
   3  */
   4 #include "gtk-all.h"
   5
   6 #include <ctype.h>
   7 #include <string.h>
   8
   9 #include "conf.h"
  10 #include "music.h"
  11
  12
  13 const CommandList music_commands[] = {
  14   {N_("None"), NULL},
  15   {"Music Player Daemon", "sh -c \"mpc | grep -v '^volume: .* repeat: .* random: .*'\""},
  16   {"Rhythmbox", "rhythmbox --print-playing"},
  17   {"XMMS / Beep", "logjam-xmms-client"},
  18   {"amaroK", "dcop amarok player nowPlaying"},
  19   {NULL, NULL}
  20 };
  21
  22
  23 MusicSource music_current_source (void) {
  24   if (!conf.music_command) return MUSIC_SOURCE_NONE;
  25   for (int i = 0; i < MUSIC_SOURCE_COUNT; ++i) {
  26     if (music_commands[i].label && music_commands[i].command && (strcmp(music_commands[i].command, conf.music_command) == 0)) return i;
  27   }
  28   return MUSIC_SOURCE_CUSTOM;
  29 }
  30
  31
  32 GQuark music_error_quark (void) {
  33   static GQuark quark = 0;
  34   if (quark == 0) quark = g_quark_from_static_string("music-error-quark");
  35   return quark;
  36 }
  37
  38
  39 static gboolean music_command_can_detect (GError **err) {
  40   if (!conf.music_command || !conf.music_command[0]) {
  41     g_set_error(err, MUSIC_ERROR, MUSIC_COMMAND_LINE_ERROR, "%s", _("No music command line is set."));
  42     return FALSE;
  43   }
  44   return TRUE;
  45 }
  46
  47
  48 static char *music_command_detect (const char *command, GError **err) {
  49   gchar *std_out, *std_err, *p, *cnv;
  50   gint exit_status;
  51   if (!g_spawn_command_line_sync(command, &std_out, &std_err, &exit_status, err)) return NULL;
  52   if (exit_status != 0) {
  53     g_set_error(err, MUSIC_ERROR, MUSIC_COMMAND_ERROR, "%s", std_err);
  54     g_free(std_err);
  55     return NULL;
  56   }
  57   g_free(std_err);
  58   /* we take the first line of this output. */
  59   for (p = std_out; *p; ++p) if (*p == '\n') break;
  60   /* remove trailing spaces */
  61   while (p > std_out && isspace(p[-1])) --p;
  62   *p = 0;
  63   if (std_out[0] && isspace(std_out[0])) memmove(std_out, std_out+1, strlen(std_out)+1);
  64   if (!std_out[0]) {
  65     g_set_error(err, MUSIC_ERROR, MUSIC_COMMAND_ERROR, "%s", _("Command produced no output."));
  66     g_free(std_out);
  67     return NULL;
  68   }
  69   /* Check if result is correct UTF-8 */
  70   if (g_utf8_validate(std_out, -1, NULL)) return std_out;
  71   /* Try converting from the current locale to UTF-8 */
  72   cnv = g_locale_to_utf8(std_out, -1, NULL, NULL, err);
  73   g_free(std_out);
  74   return cnv;
  75 }
  76
  77
  78 gboolean music_can_detect (GError **err) {
  79   return music_command_can_detect(err);
  80 }
  81
  82
  83 char *music_detect (GError **err) {
  84   if (conf.music_command) return music_command_detect(conf.music_command, err);
  85   return NULL;
  86 }