def __init__(self):
gobject.GObject.__init__(self)
self._xsmp_client = XSMPClient()
self._xsmp_client.connect('quit-requested',
self.__sm_quit_requested_cb)
self._xsmp_client.connect('quit', self.__sm_quit_cb)
self._xsmp_client.startup()
self._activities = []
self._will_quit = []
