public async Task <TransferInfo> AddTransfer(DownloadDefinition request)
{
await AssureInit();
StorageFolder destinationFolder;
switch (request.Storage)
{
case StorageType.AudioLibrary:
destinationFolder = KnownFolders.MusicLibrary;
break;
default:
destinationFolder = KnownFolders.VideosLibrary;
break;
}
var destinationFile = await destinationFolder.CreateFileAsync(request.Filename, CreationCollisionOption.GenerateUniqueName);
var downloader = new BackgroundDownloader();
if (!string.IsNullOrEmpty(request.Username) && !string.IsNullOrEmpty(request.Password))
{
downloader.ServerCredential = new PasswordCredential(request.Source.ToString(), request.Username,
request.Password);
}
var download = downloader.CreateDownload(request.Source, destinationFile);
var progress = new DownloadProgress(download);
download.StartAsync().AsTask(progress);
_activeDownloads.Add(download.Guid, progress);
return(progress.TransferInfo);
}
private async Task Init()
{
var activeDownloads = await BackgroundDownloader.GetCurrentDownloadsAsync();
var progresses = new Dictionary <Guid, DownloadProgress>();
foreach (var downloadOperation in activeDownloads)
{
var progress = new DownloadProgress(downloadOperation);
downloadOperation.AttachAsync().AsTask(progress);
progresses.Add(downloadOperation.Guid, progress);
}
_activeDownloads = progresses;
}