private async Task <LiveDownloadOperationResult> ExecuteAsync(bool start, CancellationToken cancellationToken, IProgress <LiveOperationProgress> progressHandler)
{
LiveDownloadOperationResult result = null;
Exception error = null;
try
{
var progressHandlerWrapper = new Progress <DownloadOperation>(t => {
if (progressHandler != null)
{
progressHandler.Report(
new LiveOperationProgress(
(long)t.Progress.BytesReceived,
(long)t.Progress.TotalBytesToReceive));
}
});
IAsyncOperationWithProgress <DownloadOperation, DownloadOperation> asyncOperation = start ? this.downloadOperation.StartAsync() : this.downloadOperation.AttachAsync();
await asyncOperation.AsTask(cancellationToken, progressHandlerWrapper);
result = this.downloadOperation.ResultFile != null ?
new LiveDownloadOperationResult(this.downloadOperation.ResultFile) :
new LiveDownloadOperationResult(this.downloadOperation.GetResultStreamAt(0));
return(result);
}
catch (TaskCanceledException)
{
throw;
}
catch (Exception ex)
{
error = ex;
}
error = await this.ProcessDownloadErrorResponse(error);
throw error;
}
private void LiveConnector_DownloadCompleted(LiveDownloadOperationResult e, MemoryStream userState)
{
System.Action action = null;
System.Action action2 = null;
if (null == null)
{
if (action == null)
{
action = delegate
{
this.datatransferingStep.Success();
this.dataCheckingStep.Start();
};
}
this.StatusUpdatingCallBack(action);
try
{
System.IO.MemoryStream result = e.Stream as System.IO.MemoryStream;
if (result == null)
{
if (action2 == null)
{
action2 = delegate
{
this.OnSyncingFinished(System.EventArgs.Empty);
this.dataCheckingStep.Success();
};
}
this.StatusUpdatingCallBack(action2);
}
else
{
this.ProcessRestoreData(result);
}
}
catch (System.Exception exception)
{
this.OnReportingStatus(new ReportStatusHandlerEventArgs("RestoreDataFromSkyDriveFailedMessage", exception.Message));
AppUpdater.AddErrorLog("RestoreDataFromSkyDriveFailedMessage", exception.ToString(), new string[0]);
}
}
else
{
this.StatusUpdatingCallBack(new System.Action(this.datatransferingStep.Failed));
//this.OnReportingStatus(new ReportStatusHandlerEventArgs("DownloadDataFromSkyDriveFailedMessage", e.Error.Message));
}
this.OnSyncingFinished(System.EventArgs.Empty);
}