private bool FindAndDownload()
{
var result = false;
lock (this)
{
var download = GetNextAvailableItemToDownload();
if (download != null)
{
var id = Utility.GetMacAddress();
#if DEBUG
id = "0123456789";
#endif
IMediaActivities activities;
download.PropertyChanged += (sender, args) => { _downloadDataChanged = true; };
_downloader = CreateDownloader();
try
{
ActivitiesFactory.A<IMediaActivities>().DownloadStarted(download);
_downloader.Download(download);
result = true;
ActivitiesFactory.A<IMediaActivities>().DownloadStopped(download);
}
catch (DeviceLocateException exception)
{
UpdateDownloadStoreWithError(download, string.Format("Cannot find the Media Server '{0}'", exception.DeviceName));
Logger.TraceErr(exception);
}
catch (PathLocateException exception)
{
var title = exception.Path.Split('\\').Last();
UpdateDownloadStoreWithError(download, string.Format("Cannot find media '{0}'", title));
Logger.TraceErr(exception);
}
catch (DownloadInterruptedException exception)
{
UpdateDownloadStoreWithError(download, string.Format("Error: {0}", exception.Message));
Logger.TraceErr(exception);
}
catch (Exception exception)
{
Logger.TraceErr(exception);
}
finally
{
CleanupDownloader(_downloader);
CleanupDownload(download);
_downloader = null;
}
}
}
return result;
}
public void Stop()
{
_watcher.EnableRaisingEvents = false;
Factory.InterruptConversionProcess = true;
if (_runDownloaderThread != null)
{
_done = true;
if (_downloader != null)
{
try
{
_downloader.Cancel();
}
catch (Exception exception)
{
// catch error if _downloader becomes null unexpectedly
Logger.TraceErr(exception);
}
}
_runDownloaderThread.Join(TimeSpan.FromSeconds(15D));
_runDownloaderThread = null;
_downloader = null;
}
if (_watcherPulseThread != null)
{
_watcherPulseThread.Join(TimeSpan.FromSeconds(1D));
_watcherPulseThread = null;
}
Utility.ClearAllDownloads();
IsStarted = false;
}
private void CleanupDownloader(IDownloadFromPath downloader)
{
downloader.DownloadingStopped -= DownloadingStopped;
downloader.GetDevice -= GetDevice;
downloader.SaveProgress -= SaveDownloadQueueStatus;
}