def METHOD_NAME(self, message):
    self.label.set_markup(_("<b>Processing action {num} of {total}</b>:"
                            "\n<i>{action}</i>").format(num=self.finished_actions,
                                                        total=len(self.actions),
                                                        action=message))
    if self.finished_actions:
        self._set_applied_icon(self.finished_actions - 1)
    self.progressbar.set_fraction(self.finished_actions / len(self.actions))
    self.finished_actions += 1