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) throws DBus.Error;
  26     public abstract void ReleaseMediaPlayerKeys (string application) throws DBus.Error;
  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             try{
  41                 keys.GrabMediaPlayerKeys("gmpc", (uint)0);
  42             } catch (DBus.Error error) {
  43                warning("Failed to grab media keys: %s\n", error.message);
  44             }
  45         }else if (enabled == false && old == true){
  46             try{
  47                 keys.ReleaseMediaPlayerKeys("gmpc");
  48             } catch (DBus.Error error) {
  49                warning("Failed to release media keys: %s\n", error.message);
  50             }
  51         }
  52     }
  53     /* Name */
  54     public override weak string get_name() {
  55         return "Gnome multimedia keys plugin";
  56     }
  57     /* Version */
  58     public override  weak int[] get_version() {
  59         return pversion;
  60     }
  61     private void callback (MediaKeys mkeys, string application, string keys) {
  62         if(this.get_enabled() == false) return;
  63         if(application != "gmpc") return;
  64         if(keys == "Play") {
  65             if(MPD.Player.get_state(server) == MPD.Player.State.PLAY)
  66                 MPD.Player.pause(server);
  67             else
  68                 MPD.Player.play(server);
  69         }
  70         else if(keys == "Pause") MPD.Player.pause(server);
  71         else if(keys == "Next") MPD.Player.next(server);
  72         else if(keys == "Previous") MPD.Player.prev(server);
  73         else if(keys == "Stop")  MPD.Player.stop(server);
  74     }
  75     construct {
  76         /* Set the plugin as an internal one and of type pl_browser */
  77         this.plugin_type = 4;
  78         conn =  DBus.Bus.get (DBus.BusType.SESSION);
  79         keys = (MediaKeys) conn.get_object ( "org.gnome.SettingsDaemon",
  80                 "/org/gnome/SettingsDaemon/MediaKeys");
  81
  82         if(this.get_enabled()) {
  83             try {
  84                 keys.GrabMediaPlayerKeys("gmpc", (uint)0);
  85             } catch (DBus.Error error) {
  86                 warning("Failed to grab media keys: %s\n", error.message);
  87             }
  88         }
  89         keys.MediaPlayerKeyPressed += callback;
  90     }
  91     ~MMKeys() {
  92         if(this.get_enabled()) {
  93             try {
  94                 keys.ReleaseMediaPlayerKeys("gmpc");
  95             } catch (DBus.Error error) {
  96                warning("Failed to release media keys: %s\n", error.message);
  97             }
  98         }
  99     }
 100 }
 101 public Type plugin_get_type () {
 102         return typeof (MMKeys);
 103 }