add: bacon_video_widget_properties_update (props->props, props->bvw, FALSE);
context: set_property(BonoboPropertyBag *bag,	     const BonoboArg   *arg,	     guint              arg_id,	     CORBA_Environment *ev,	     TotemPropertiesPage *props){	if (arg_id == PROP_URI) {		g_free(props->location);		bacon_video_widget_close (props->bvw);		props->location = g_strdup(BONOBO_ARG_GET_STRING(arg));		bacon_video_widget_properties_update (props->props,				props->bvw, TRUE);		bacon_video_widget_open (props->bvw, props->location, NULL);		bacon_video_widget_play (props->bvw, NULL);	}}