public static void RegisterDownload(MusixSongResult Download, CancellationTokenSource cancellationToken = null)
{
lock (Downloads)
{
Downloads.Add(new KeyValuePair <MusixSongResult, CancellationTokenSource>(Download, cancellationToken));
new Thread(x => { DownloadStarted?.Invoke(Download); DownloadsChanged?.Invoke(); }).Start();
}
}
public static void TryReleaseDownload(MusixSongResult Download)
{
lock (Downloads)
{
int st = Downloads.Count;
Downloads.RemoveAll(x => x.Key == Download);
if (Downloads.Count != st)
{
new Thread(x => { DownloadFinished?.Invoke(Download); DownloadsChanged?.Invoke(); }).Start();
}
}
}
public ManagedDownload QueueImport(string name, Func <CancellationToken, IProgress <double>, Task <FileSample> > getImportTask)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentException($"'{nameof (name)}' cannot be null or whitespace.", nameof(name));
}
if (getImportTask is null)
{
throw new ArgumentNullException(nameof(getImportTask));
}
var source = new CancellationTokenSource();
var download = new ManagedDownload(name);
download.Task = SampleToHashTask(getImportTask(source.Token, download));
lock (this.downloads)
this.downloads.Add(download);
DownloadsChanged?.Invoke(this, EventArgs.Empty);
return(download);
}
public ManagedDownload QueueDownload(string id, string name, Task <Stream> stream, long length, string contentHash = null, IProgress <double> progress = null, CancellationToken cancellation = default)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentException($"'{nameof (name)}' cannot be null or whitespace", nameof(name));
}
if (string.IsNullOrWhiteSpace(id))
{
throw new ArgumentException($"'{nameof (id)}' cannot be null or whitespace", nameof(id));
}
if (stream is null)
{
throw new ArgumentNullException(nameof(stream));
}
var download = new ManagedDownload(id, name);
download.Task = DownloadCoreAsync(download, stream, length, contentHash, cancellation);
lock (this.downloads)
this.downloads.Add(download);
DownloadsChanged?.Invoke(this, EventArgs.Empty);
return(download);
}