From a86b4d3313c4bc4245dddc66123fec047ebbbcdb Mon Sep 17 00:00:00 2001
From: Stein Magnus Jodal <stein.magnus@jodal.no>
Date: Sat, 30 Oct 2010 18:09:18 +0200
Subject: [PATCH] Trigger PropertiesChanged signal

---
 mopidy/frontends/mpris.py | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/mopidy/frontends/mpris.py b/mopidy/frontends/mpris.py
index 07473f20..e00d3e0e 100644
--- a/mopidy/frontends/mpris.py
+++ b/mopidy/frontends/mpris.py
@@ -84,7 +84,7 @@ class MprisObject(dbus.service.Object):
 
     bus_name = 'org.mpris.MediaPlayer2.mopidy'
     object_path = '/org/mpris/MediaPlayer2'
-    property_interface = 'org.freedesktop.DBus.Properties'
+    properties_interface = 'org.freedesktop.DBus.Properties'
     root_interface = 'org.mpris.MediaPlayer2'
     player_interface = 'org.mpris.MediaPlayer2.Player'
     properties = {
@@ -149,13 +149,13 @@ class MprisObject(dbus.service.Object):
 
     ### Property interface
 
-    @dbus.service.method(dbus_interface=property_interface,
+    @dbus.service.method(dbus_interface=properties_interface,
         in_signature='ss', out_signature='v')
     def Get(self, interface, prop):
         getter, setter = self.properties[interface][prop]
         return getter() if callable(getter) else getter
 
-    @dbus.service.method(dbus_interface=property_interface,
+    @dbus.service.method(dbus_interface=properties_interface,
         in_signature='s', out_signature='a{sv}')
     def GetAll(self, interface):
         """
@@ -173,12 +173,20 @@ class MprisObject(dbus.service.Object):
             getters[key] = getter() if callable(getter) else getter
         return getters
 
-    @dbus.service.method(dbus_interface=property_interface,
+    @dbus.service.method(dbus_interface=properties_interface,
         in_signature='ssv', out_signature='')
     def Set(self, interface, prop, value):
         getter, setter = self.properties[interface][prop]
         if setter is not None:
             setter(value)
+            self.PropertiesChanged(interface,
+                {prop: self.Get(interface, prop)}, [])
+
+    @dbus.service.signal(dbus_interface=properties_interface,
+            signature='sa{sv}as')
+    def PropertiesChanged(self, interface, changed_properties,
+        invalidated_properties):
+        pass
 
 
     ### Root interface