-void client_add_destructor(ObClientCallback func, gpointer data);
-void client_remove_destructor(ObClientCallback func);
-
-/*! Get notified when the client is hidden */
-void client_add_hide_notify(ObClientCallback func, gpointer data);
-void client_remove_hide_notify(ObClientCallback func);
+void client_add_destroy_notify(ObClientCallback func, gpointer data);
+void client_remove_destroy_notify(ObClientCallback func);