Processes a received STATUS message and notifies listeners.

def _process_get_status(self, data):
        """ Processes a received STATUS message and notifies listeners. """
        status = self._parse_status(data, self.cast_type)
        is_new_app = self.app_id != status.app_id and self.app_to_launch
        self.status = status

        self.logger.debug("Received status: %s", self.status)
        self._report_status()

        if is_new_app and self.app_to_launch == self.app_id:
            self.app_to_launch = None
            self.app_launch_event.set()
            if self.app_launch_event_function:
                self.logger.debug("Start app_launch_event_function...")
                self.app_launch_event_function()
                self.app_launch_event_function = None