src/Tools/gmpc-metadata-prefetcher.vala

   1
   2 /* Gnome Music Player Client (GMPC)
   3  * Copyright (C) 2004-2012 Qball Cow <qball@gmpclient.org>
   4  * Project homepage: http://gmpclient.org/
   5
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20 using Config;
  21 using Gtk;
  22 using Gmpc;
  23
  24 private const bool use_transition_mpf = Gmpc.use_transition;
  25
  26 public class  Gmpc.Tools.MetadataPrefetcher : Gmpc.Plugin.Base
  27 {
  28     private const int[] version = {0,0,2};
  29
  30     public override unowned int[] get_version()
  31     {
  32         return this.version;
  33     }
  34
  35     public override unowned string get_name()
  36     {
  37         return "Metadata pre-fetcher";
  38     }
  39
  40     construct
  41     {
  42         /* Mark the plugin as an internal dummy */
  43         this.plugin_type = 8+4;
  44         /* Attach status changed signal */
  45         gmpcconn.status_changed.connect(status_changed);
  46     }
  47
  48
  49     private void status_changed(Connection conn, MPD.Server server, MPD.Status.Changed what)
  50     {
  51         if(!this.get_enabled()) return;
  52         if((what&MPD.Status.Changed.NEXTSONG) == MPD.Status.Changed.NEXTSONG)
  53         {
  54             int next_song_id = server.player_get_next_song_id();
  55             if(next_song_id > 0)
  56             {
  57                 MPD.Song? song = server.playlist_get_song(next_song_id);
  58                 if(song != null)
  59                 {
  60                     Gmpc.MetaData.Item met = null;
  61                     Gmpc.MetaData.Result md_result;
  62
  63                     GLib.log("MetadataPrefetcher", GLib.LogLevelFlags.LEVEL_DEBUG, "Pre-fetching %s", song.file);
  64                     /* Query artist */
  65                     md_result = Gmpc.MetaData.get_path(song, Gmpc.MetaData.Type.ARTIST_ART, out met);
  66                     /* Query album art */
  67                     md_result = Gmpc.MetaData.get_path(song, Gmpc.MetaData.Type.ALBUM_ART, out met);
  68                 }
  69             }
  70         }
  71     }
  72
  73 }