def METHOD_NAME(self, terminal):
    """Check if this terminal has gone silent"""
    time_now = time.mktime(time.gmtime())
    if terminal not in self.last_activities:
        dbg('Terminal %s has no last activity' % terminal)
        return True
    dbg('seconds since last activity: %f (%s)' % (time_now - self.last_activities[terminal], terminal))
    if time_now - self.last_activities[terminal] >= inactive_period:
        del(self.last_activities[terminal])
        note = Notify.Notification.new(_('Terminator'), _('Silence in: %s') % 
                                     terminal.get_window_title(), 'terminator')
        note.show()
    return True