mmkeys.vala

   1 /* Gnome Music Player Client Multimedia Keys plugin (gmpc-mmkeys)
   2  * Copyright (C) 2009 Qball Cow <qball@sarine.nl>
   3  * Project homepage: http://gmpc.wikia.com/
   4
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19 using GLib;
  20 using Gmpc;
  21 using Gmpc.Plugin;
  22
  23 [DBus (name = "org.gnome.SettingsDaemon.MediaKeys")]
  24 interface MediaKeys : GLib.Object {
  25     public abstract void GrabMediaPlayerKeys (string application, uint32 time);
  26     public abstract void ReleaseMediaPlayerKeys (string application);
  27     public signal void MediaPlayerKeyPressed (string application, string keys);
  28 }
  29
  30 public class MMKeys : Gmpc.Plugin.Base {
  31     public const int[] pversion = {0,0,0};
  32     private DBus.Connection conn;
  33     private MediaKeys keys;
  34
  35     public override void set_enabled(bool enabled) {
  36         var old = this.get_enabled();
  37         if(this.get_name() != null)
  38             Gmpc.config.set_int(this.get_name(), "enabled", (int)enabled);
  39         if(enabled == true && old == false) {
  40             keys.GrabMediaPlayerKeys("gmpc", (uint)0);
  41         }else if (enabled == false && old == true){
  42             keys.ReleaseMediaPlayerKeys("gmpc");
  43         }
  44     }
  45     /* Name */
  46     public override weak string get_name() {
  47         return "Gnome multimedia keys plugin";
  48     }
  49     /* Version */
  50     public override  weak int[] get_version() {
  51         return pversion;
  52     }
  53     private void callback (MediaKeys mkeys, string application, string keys) {
  54         if(this.get_enabled() == false) return;
  55         if(application != "gmpc") return;
  56         if(keys == "Play") {
  57             if(MPD.Player.get_state(server) == MPD.Player.State.PLAY)
  58                 MPD.Player.pause(server);
  59             else
  60                 MPD.Player.play(server);
  61         }
  62         else if(keys == "Pause") MPD.Player.pause(server);
  63         else if(keys == "Next") MPD.Player.next(server);
  64         else if(keys == "Previous") MPD.Player.prev(server);
  65         else if(keys == "Stop")  MPD.Player.stop(server);
  66     }
  67     construct {
  68         /* Set the plugin as an internal one and of type pl_browser */
  69         this.plugin_type = 4;
  70         conn =  DBus.Bus.get (DBus.BusType.SESSION);
  71         keys = (MediaKeys) conn.get_object ( "org.gnome.SettingsDaemon",
  72                 "/org/gnome/SettingsDaemon/MediaKeys");
  73
  74         if(this.get_enabled()) {
  75             keys.GrabMediaPlayerKeys("gmpc", (uint)0);
  76         }
  77         keys.MediaPlayerKeyPressed += callback;
  78     }
  79     ~MMKeys() {
  80         if(this.get_enabled()) {
  81             keys.ReleaseMediaPlayerKeys("gmpc");
  82         }
  83     }
  84 }
  85 [ModuleInit]
  86 public Type plugin_get_type () {
  87         return typeof (MMKeys);
  88 }