private Task Upload(UploadTask uploadTask, IProgress <IUploadState> progress = null, CancellationToken cancellationToken = default(CancellationToken), PauseToken pauseToken = default(PauseToken))
{
var tcs = new TaskCompletionSource <bool>();
uploadTask.AddOnCompleteListener(new OnCompleteHandlerListener(task =>
{
if (task.IsSuccessful)
{
tcs.SetResult(true);
}
else
{
tcs.SetException(ExceptionMapper.Map(task.Exception));
}
}));
if (progress != null)
{
uploadTask.AddOnProgressListener(new OnProgressHandlerListener(snapshot =>
{
var uploadTaskSnapshot = snapshot.JavaCast <UploadTask.TaskSnapshot>();
progress.Report(new UploadTaskSnapshotWrapper(uploadTaskSnapshot));
}));
}
if (cancellationToken != default(CancellationToken))
{
cancellationToken.Register(() => uploadTask.Cancel());
}
if (pauseToken != default(PauseToken))
{
pauseToken.SetStorageTask(new StorageTaskWrapper(uploadTask));
}
return(tcs.Task);
}