private void DeleteDownload(Model.Download download)
        {
            download.ResetDownloadPart();
            download.TotalFileSize = 0;

            DownloadCancel?.Invoke(this, new MyDownloadEventArgs());
        }
        private void DownloadServiceOnDownloadCancel(object sender, MyDownloadEventArgs myDownloadEventArgs)
        {
            Download.State = CurrentDownloadState.Cancel;
            Debug.WriteLine("Download cancel");

            DownloadCancel?.Invoke(sender, myDownloadEventArgs);
        }
Exemplo n.º 3
0
 private void WebClientOnDownloadFileCompleted(object sender, AsyncCompletedEventArgs asyncCompletedEventArgs)
 {
     if (asyncCompletedEventArgs.Cancelled == true)
     {
         DownloadCancel?.Invoke(this, new MyDownloadEventArgs());
     }
     else
     {
         DownloadComplete?.Invoke(this, new MyDownloadEventArgs());
     }
 }
        private async Task RunDownload(Model.Download download, Action <HttpWebRequest> configureRequest, FileRenameStreamer fileRenameStreamer)
        {
            try
            {
                _cancellationTokenSource = new CancellationTokenSource();

                var request = (HttpWebRequest)WebRequest.Create(new Uri(download.SourcePath));

                configureRequest(request);

                using (var response = await request.GetResponseAsync())
                {
                    fileRenameStreamer.SetContentLength(response.ContentLength);

                    var data = response.GetResponseStream();

                    using (fileRenameStreamer)
                    {
                        var byteBuffer = fileRenameStreamer.GetByteBuffer();
                        fileRenameStreamer.SetStreamPosition(download.GetBytesFromAllParts());
                        download.TotalFileSize = fileRenameStreamer.GetTotalFileSize();

                        await MakeDownload(download, data, byteBuffer, _cancellationTokenSource.Token, fileRenameStreamer);
                    }
                }
            }
            catch (IOException)
            {
                DownloadCancel?.Invoke(this, new MyDownloadEventArgs());
            }
            catch (OperationCanceledException)
            {
                if (download.State == CurrentDownloadState.Cancel)
                {
                    DeleteDownload(download);
                }
                else if (download.State == CurrentDownloadState.Pause)
                {
                    DownloadPause?.Invoke(this, new MyDownloadEventArgs());
                }
                else
                {
                    DeleteDownload(download);
                }
            }
            catch (WebException)
            {
                DownloadCancel?.Invoke(this, new MyDownloadEventArgs());
            }
        }
Exemplo n.º 5
0
 public async void DownloadFile(Model.Download download)
 {
     try
     {
         using (_webClient = new WebClient())
         {
             _webClient.DownloadFileCompleted   += WebClientOnDownloadFileCompleted;
             _webClient.DownloadProgressChanged += WebClientOnDownloadProgressChanged;
             await _webClient.DownloadFileTaskAsync(new Uri(download.SourcePath),
                                                    download.TargetPathWithFileName);
         }
     }
     catch (Exception e)
     {
         DownloadCancel?.Invoke(this, new MyDownloadEventArgs());
     }
 }