void TrackDownloadClient_DownloadDataCompleted(object sender, DownloadDataCompletedEventArgs e)
{
if (e.Cancelled)
{
TaskbarUtils.SetProgressState(Handle, TaskbarUtils.ProgressState.NoProgress);
SetFormEnabled(true);
SetDataGridRowColor(Color.LightCoral, null, DownloadData.CurrentTrack.Title);
}
else if (e.Error != null)
{
TaskbarUtils.SetProgressState(Handle, TaskbarUtils.ProgressState.Error);
TaskbarUtils.Flash(Handle);
ShowEx("Failed to download track", e.Error);
TaskbarUtils.SetProgressState(Handle, TaskbarUtils.ProgressState.NoProgress);
SetFormEnabled(true);
}
else
{
if (DownloadData.Step++ == 0)
{
string page = Encoding.ASCII.GetString(e.Result);
var match = TrackUriRegex.Match(page);
if (match.Success)
{
var filepath = match.Groups["file"].Value;
var index = filepath.LastIndexOf('/');
if (index >= 0)
{
DownloadData.Filename = Uri.UnescapeDataString(filepath.Substring(index + 1));
TrackDownloadClient.DownloadDataAsync(new Uri(filepath));
}
}
}
else
{
// write track to disk
File.WriteAllBytes(Path.Combine(DownloadData.FolderPath, DownloadData.Filename), e.Result);
// mark track in list as finished
SetDataGridRowColor(ProgressTrackProgressBar.ForeColor, null, DownloadData.CurrentTrack.Title);
// download next
StartDownload();
}
}
}
private void StartDownload()
{
if (DownloadData.RemainingTracks.Count > 0)
{
DownloadData.CurrentTrack = DownloadData.RemainingTracks[0];
DownloadData.RemainingTracks.RemoveAt(0);
DownloadData.TrackBytes = 0;
DownloadData.Step = 0;
UpdateProgressUI();
TrackDownloadClient.DownloadDataAsync(DownloadData.CurrentTrack.Address);
}
else
{
ProgressOverallValueLabel.Text = ProgressTrackValueLabel.Text = "100 %";
ProgressOverallProgressBar.Value = ProgressTrackProgressBar.Value = 100;
SetFormEnabled(true);
TaskbarUtils.SetProgressState(Handle, TaskbarUtils.ProgressState.NoProgress);
TaskbarUtils.Flash(Handle);
}
}
