Please test and keyword on your respective archs. This is depended on by ~xfce-base/xfce4-extras-4.4.0, and is blocking unmasking.
Keyworded ~x86-fbsd
arm, this would be good to have included in xfce4-extras before stabilizing 4.4 because you had this plugin with 4.2.
Handled in bug 169790.