public IStorageTransferTask DownloadFile(string destinationPath)
{
var wrapper = new StorageTransferTaskWrapper <StorageDownloadTask, NSUrl>();
wrapper.TransferTask = _wrapped.WriteToFile(NSUrl.FromFilename(destinationPath), (x, e) => wrapper.CompletionHandler(x, e));
return(wrapper);
}
public Task GetFileAsync(string filePath, IProgress <IDownloadState> progress = null, CancellationToken cancellationToken = default(CancellationToken))
{
if (filePath == null)
{
throw new ArgumentNullException(nameof(filePath));
}
var url = NSUrl.FromFilename(filePath);
var tcs = new TaskCompletionSource <bool>();
var downloadTask = _storageReference.WriteToFile(url, (data, error) =>
{
if (error != null)
{
tcs.SetException(ExceptionMapper.Map(new NSErrorException(error)));
}
else
{
tcs.SetResult(true);
}
});
if (progress != null)
{
downloadTask.ObserveStatus(StorageTaskStatus.Progress, snapshot => progress.Report(new StorageTaskSnapshotWrapper(snapshot)));
}
if (cancellationToken != default(CancellationToken))
{
cancellationToken.Register(downloadTask.Cancel);
}
return(tcs.Task);
}
