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+/*
+This service primarily controls PulseAudio and is driven by the sound indicator menu on the panel.
+Copyright 2010 Canonical Ltd.
+
+Authors:
+ Conor Curran <conor.curran@canonical.com>
+
+This program is free software: you can redistribute it and/or modify it
+under the terms of the GNU General Public License version 3, as published
+by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranties of
+MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+using Gee;
+
+
+public class MprisController : GLib.Object
+{
+ private DBus.Connection connection;
+ public dynamic DBus.Object mpris_player;
+ private PlayerController controller;
+ struct status {
+ public int32 playback;
+ public int32 shuffle;
+ public int32 repeat;
+ public int32 endless;
+ }
+
+
+ public MprisController(string name, PlayerController controller, string mpris_interface="org.freedesktop.MediaPlayer"){
+ try {
+ this.connection = DBus.Bus.get (DBus.BusType.SESSION);
+ } catch (Error e) {
+ error("Problems connecting to the session bus - %s", e.message);
+ }
+ this.controller = controller;
+ this.mpris_player = this.connection.get_object ("org.mpris.".concat(name.down()) , "/Player", mpris_interface);
+ this.mpris_player.TrackChange += onTrackChange;
+ this.mpris_player.StatusChange += onStatusChange;
+ this.controller.update_playing_info(get_track_data());
+ }
+
+ public HashMap<string, string> get_track_data()
+ {
+ return format_metadata(this.mpris_player.GetMetadata());
+ }
+
+ private void onTrackChange(dynamic DBus.Object mpris_client, HashTable<string,Value?> ht)
+ {
+ this.controller.update_playing_info(format_metadata(ht));
+ }
+
+ /**
+ * TRUE => Playing
+ * FALSE => Paused
+ **/
+ public void toggle_playback(bool state)
+ {
+ if(state == true){
+ debug("about to play");
+ this.mpris_player.Play();
+ }
+ else{
+ debug("about to pause");
+ this.mpris_player.Pause();
+ }
+ }
+
+ private void onStatusChange(dynamic DBus.Object mpris_client, status st)
+ {
+ debug("onStatusChange - signal received");
+ //ValueArray a = new ValueArray(4);
+ //Value v = new Value(typeof(int32));
+ //v.set_int(st.playback);
+ //a.append(v);
+ //debug("onStatusChange - play %i", a.get_nth(0).get_int());
+ //int playback = (ValueArray)st.get_nth(0).get_int();
+ //int shuffle = ar.get_nth(1).get_int();
+ //int repeat = ar.get_nth(2).get_int();
+ //int endless = ar.get_nth(3).get_int();
+ }
+
+ private static HashMap<string, string> format_metadata(HashTable<string,Value?> data)
+ {
+ HashMap<string,string> results = new HashMap<string, string>();
+ debug("format_metadata - title = %s", (string)data.lookup("title"));
+ results.set("title", (string)data.lookup("title"));
+ results.set("artist", (string)data.lookup("artist"));
+ results.set("album", (string)data.lookup("album"));
+ results.set("arturl", (string)data.lookup("arturl"));
+ return results;
+ }
+
+}