metadata being updated dynamically

1 files changed, 61 insertions, 0 deletions

diff --git a/src/mpris-controller.vala b/src/mpris-controller.vala
new file mode 100644
index 0000000..f606b32
--- /dev/null
+++ b/src/mpris-controller.vala
@@ -0,0 +1,61 @@
+/*
+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;
+  private dynamic DBus.Object mpris_player;
+	private PlayerController controller;
+	
+	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.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));
+	}
+
+	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;                          				
+	}
+	
+}