/// <summary>
/// Construct a DownloadManager which can add pending downloads, and create threads to start downloading them
/// </summary>
/// <param name="threadHandler">The main ThreadHandler of the application</param>
/// /// <param name="applicationInterface">The frontend interface of the application</param>
public DownloadManager(ThreadHandler threadHandler, iGui applicationInterface)
{
this.threadHandler = threadHandler;
this.downloader = new Downloader(threadHandler, applicationInterface, this);
this.pendingDownloads = new List <Download>();
this.activeDownloads = new List <Download>();
for (int i = 0; i < 4; i++)
{
Thread listener = new Thread(WaitForDownload);
listener.Name = String.Format("{0} listener created by constructor", i);
threadHandler.AddActive(listener);
listener.Start();
}
//check if downloads folder is there and try to create it if not
try
{
VerifyDownloadDirectory();
}
catch
{
applicationInterface.DisplayMessage("Unable to create downloads directory!");
}
}
public void CancelDownload(Download video)
{
if (!video.Completed && activeDownloads.Contains(video))
{
int threadID = video.DownloadThread != null ? video.DownloadThread.ManagedThreadId : -1;
while (video.DownloadThread != null && video.DownloadThread.IsAlive)
{
Debug.WriteLine("Attempting download termination");
if (video.DownloadThread != null)
{
video.DownloadThread.Abort();
}
}
threadHandler.RemoveActive(threadID);
activeDownloads.Remove(video);
Debug.WriteLine("Download terminated");
Thread listener = new Thread(WaitForDownload);
listener.Name = String.Format("Re-listener: {0}", video.VideoData.Title);
threadHandler.AddActive(listener);
listener.Start();
}
}