Comment 51 for bug 1222021

(In reply to god12 from comment #12)
> I think instead of unconditional inhibition user got to have a choice in GUI
> whether to use systemd settings (this should gray-out x-p-m settings) or
> override them.

As far as I understand it, there's also the possibility to only delay the suspend from systemd, in order for xfpm to do something (for example locking the screen). That's what Gnome is doing right now, afaict.