+ GtkWidget *folder_view;
+ GObject *object;
+
+ object = modest_mail_operation_get_source (mail_op);
+ folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(object),
+ MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
+ g_object_ref (folder_view);
+ g_object_unref (object);