/// <summary>
/// will exit if a download has started
/// or calls the complete if there is no download next
/// or sets the next download to start and call StartNextDownload()
/// finally each protocol has a different implementation
/// </summary>
protected void ProtocolStartDownloading()
{
BeforeStartDownloading();
//process not started || download pending
if (DownloadsController.CurrentDownload?.DownloadState == DownloadState.Started || ProtocolDownloaderManager.Shutdown)
{
return;
}
//the waiting list has been completely served
if (DownloadsController.NextDownload == null)
{
DownloadsController.ClearDownloads();
OnDownloadsControllerCompleted();
return;
}
//else, we have our next download to start
DownloadsController.CurrentDownload = DownloadsController.NextDownload;
DownloadsController.CurrentDownload.ChangeState(DownloadState.Started);
//the second event
OnProcessStarted();
//depending on the url, the correct protocol will be assigned for the task
((Downloader)ProtocolDownloaderManager.GetInstance(DownloadsController.CurrentDownload.RemoteFileInfo.Url)).StartNextDownload();
}
public void ProtocolAbortCurrentDownload(bool shutdown)
{
ProtocolDownloaderManager.Shutdown = shutdown;
string file = Path.Combine(DownloadsController.CurrentDownload.Destination.FullPath, DownloadsController.CurrentDownload.RemoteFileInfo.FileFullName);
//depending on the url, the correct protocol will be assigned for the task
((Downloader)ProtocolDownloaderManager.GetInstance(DownloadsController.CurrentDownload.RemoteFileInfo.Url)).AbortCurrentDownload();
//async calls might need a few seconds to marshal
Thread.Sleep(2000);
}
