Use dbus activation to start the presence service

shell/PresenceService/PresenceService.py

@@ -231,6 +231,9 @@ class PresenceServiceDBusHelper(dbus.service.Object):
 	def unregisterServiceType(self, stype):
 		self._parent.unregister_service_type(stype)
 
+	@dbus.service.method(_PRESENCE_DBUS_INTERFACE)
+	def start(self):
+		self._parent.start()
 
 class PresenceService(object):
 	def __init__(self):
@@ -262,6 +265,7 @@ class PresenceService(object):
 		self._bus_name = dbus.service.BusName(_PRESENCE_SERVICE, bus=self._session_bus)		
 		self._dbus_helper = PresenceServiceDBusHelper(self, self._bus_name)
 
+	def start(self):
 		# Connect to Avahi for mDNS stuff
 		self._system_bus = dbus.SystemBus()
 		self._mdns_service = dbus.Interface(self._system_bus.get_object(avahi.DBUS_NAME,

shell/session/Session.py

@@ -55,7 +55,9 @@ class Session:
 		process.start()
 
 		console = ConsoleWindow()
-		#sugar.logger.start('Shell', console)
+		sugar.logger.start('Shell', console)
+
+		PresenceService.start()
 
 		process = MatchboxProcess()
 		process.start()

sugar/presence/PresenceService.py

@@ -205,3 +205,8 @@ class PresenceService(gobject.GObject):
 
 	def unregister_service_type(self, stype):
 		self._ps.unregisterServiceType(stype)
+
+def start():
+	bus = dbus.SessionBus()
+	ps = dbus.Interface(bus.get_object(DBUS_SERVICE, DBUS_PATH), DBUS_INTERFACE)
+	ps.start()