private void buttonScan_Click(object sender, EventArgs e) { Button button = (Button)sender; if (selectedVideoInfo != null && selectedVideoInfo.videoItem != null) { button.Enabled = false; button.Text = "Scanning.."; string directory = selectedVideoInfo.videoDirectory; MyLog.Add("Scanning: " + directory); ParseVideo parseVideo = new ParseVideo(); selectedVideoInfo = parseVideo.ReadDirectory(directory); subFormFileList.SetList(selectedVideoInfo); SetForm(selectedVideoInfo); ListVideoInfo.UpdateVideoInfoList(selectedVideoInfo); MyFormField.DelayButtonClick(button, "Scan"); } }
public List <VideoInfosScanSource> ScanSource(List <string> sources, DoWorkEventArgs doWorkEvent) { if (sources.Count() == 0) { throw new ArgumentException("sources cannot be empty", "sources"); } ParseVideo parseVideo = new ParseVideo(); // Abort the operation if the user has canceled. // Note that a call to CancelAsync may have set // CancellationPending to true just after the // last invocation of this method exits, so this // code will not have the opportunity to set the // DoWorkEventArgs.Cancel flag to true. This means // that RunWorkerCompletedEventArgs.Cancelled will // not be set to true in your RunWorkerCompleted // event handler. This is a race condition. if (backgroundWorker.CancellationPending) { doWorkEvent.Cancel = true; return(null); } // Data structure to hold names of subfolders to be examined for files. Stack <DirInfo> dirNodes = new Stack <DirInfo>(1000); List <VideoInfosScanSource> videoInfosScanSources = new List <VideoInfosScanSource>(); percentComplete = 0; backgroundWorker.ReportProgress(percentComplete, "Processing sources.."); // get the root dirs from each source int nbrSources = sources.Count(); int processingSource = 0; foreach (string source in sources) { percentComplete = (int)Math.Floor((double)processingSource / (double)nbrSources * 100); backgroundWorker.ReportProgress(percentComplete, "Scanning source " + source + ".."); List <VideoInfo> videoInfos = new List <VideoInfo>(10000); string sourceAlias = Config.SourceDirectory2Alias(source); IEnumerable <string> directories = MyFile.EnumerateDirectories(source, "*", SearchOption.AllDirectories); int nbrDirectories = directories.Count(); int processingDirectory = 0; foreach (string directory in directories) { MyLog.Add("Scanning: " + directory); VideoInfo videoInfo = parseVideo.ReadDirectory(directory); if (videoInfo == null || videoInfo.videoItem == null || videoInfo.videoItem.title == null || videoInfo.files == null || videoInfo.files.video == null) { processingDirectory++; continue; } videoInfo.sourceAlias = sourceAlias; videoInfo.videoDirectory = directory; // see if any existing item or new videoInfo.index = videoInfos.Count; string hash = ListVideoInfo.CreateHash(videoInfo); videoInfo.hash = hash; VideoInfo foundVideoInfo = ListVideoInfo.FindVideoInfo("hash", hash); bool bNew = false; if (foundVideoInfo == null) { bNew = true; } if (bNew || foundVideoInfo.added == null || foundVideoInfo.added == DateTime.MinValue) { videoInfo.added = DateTime.UtcNow; } if (bNew || foundVideoInfo.updated == null || foundVideoInfo.updated == DateTime.MinValue) { videoInfo.updated = videoInfo.added; } if (!bNew) { // TODO ? needed? found item in list, merge list item with scanned item, scanned item wins videoInfo = ListVideoInfo.MergeVideoInfos(foundVideoInfo, videoInfo); } videoInfos.Add(videoInfo); processingDirectory++; if (processingDirectory % 1 == 0) { percentComplete = (int)Math.Floor((double)processingDirectory / (double)nbrDirectories * 100); string progressMessage = "Scanned " + processingDirectory + " of " + nbrDirectories + " directories\n" + directory.Split(Path.DirectorySeparatorChar).Last() + ".."; // progressMessage = directory.Split(Path.DirectorySeparatorChar).Last() + ".."; backgroundWorker.ReportProgress(percentComplete, progressMessage); // Thread.Sleep(1000); // dev if (backgroundWorker.CancellationPending) { doWorkEvent.Cancel = true; return(null); } } } // foreach directory VideoInfosScanSource videoInfosScanSource = new VideoInfosScanSource(); videoInfosScanSource.videoInfos = videoInfos; videoInfosScanSource.sourceAlias = sourceAlias; videoInfosScanSources.Add(videoInfosScanSource); processingSource++; } // end foreach source // add items to main list .. but not here .. in completed event // ListVideoInfo.Clear(); // ListVideoInfo.AddItems(videoInfos); percentComplete = 100; backgroundWorker.ReportProgress(percentComplete, "Completed scan"); // meh, so completed msg shows Thread.Sleep(500); return(videoInfosScanSources); }