def download_status_changed(self, ident, isPaused):
"""暂停或重启一个任务。"""
work = self.allDownloadWorks[ident][0]
if isPaused:
if work.downloadStatus != Configures.DownloadCompleted:
work.pause()
else:
args = [
work.title, work.album, work.songLink, work.musicPath,
work.musicId, work.length, work.lock
]
newDownloadWork = DownloadThread(*args)
newDownloadWork.setName(ident)
newDownloadWork.setDaemon(True)
self.allDownloadWorks[ident][0] = newDownloadWork
newDownloadWork.start()
if not self.timer.isActive():
self.timer.start(self.timeSpan)
def add_a_download_work(self, songLink, musicPath, title, album, musicId,
size, lock):
"""开始一个下载任务。"""
if musicPath in self.allDownloadWorks:
print('下载任务已存在%s' % musicPath)
return
downloadWork = DownloadThread(title, album, songLink, musicPath,
musicId, size, lock)
downloadWork.setDaemon(True)
downloadWork.setName(musicPath)
downloadListItem = DownloadListItem(musicPath, title, self.timeSpan)
downloadListItem.downloadStatusChanged.connect(
self.download_status_changed)
downloadListItem.killWork.connect(self.kill_a_download_work)
self.downloadList.add_item(downloadListItem, 86)
self.allDownloadWorks[musicPath] = [downloadWork, downloadListItem]
downloadWork.start()
if not self.timer.isActive():
self.timer.start(self.timeSpan)
