Method cancel

MCSL2Lib/ProgramControllers/downloadController.py:240–248

取消下载

(self)

            self.start_download()

    def cancel(self):
        """取消下载"""
        if self.is_cancelled:
            return
        self.is_cancelled = True
        self.progress_timer.stop()
        if self.downloader:
            self.downloader.stop()
        self._cleanup_files()

    def _update_progress(self):
        """更新下载进度 - 从 pypdl 获取"""