private void ScanDirectory(object basePathObject)
{
int totalFiles = 0;
ObservableCollection<Track> trackList = new ObservableCollection<Track>();
try
{
string basePath = (string)basePathObject;
DirectoryInfo di = new DirectoryInfo(basePath);
FileInfo[] fileList = di.GetFiles("*.mp3", SearchOption.AllDirectories);
totalFiles = fileList.Length;
for (int i = 0; i < totalFiles; i++)
{
if (_cancelScanning)
{
totalFiles = i;
break;
}
IID3v2Tag id3 = new ID3v2Tag(fileList[i].FullName);
Track track = new Track
{
Artist = id3.Artist,
Title = id3.Title,
Album = id3.Album,
Year = id3.Year,
Genre = id3.Genre,
FullFileName = fileList[i].FullName
};
if (id3.PictureList != null && id3.PictureList.Count > 0)
{
IAttachedPicture picture = id3.PictureList[0];
if (picture.PictureType != PictureType.CoverFront)
{
foreach (var apic in id3.PictureList)
{
if (apic.PictureType == PictureType.CoverFront)
{
picture = apic;
break;
}
}
}
CreatePictureOnUIThread(track, picture);
}
trackList.Add(track);
double percent = i * 100.0 / totalFiles;
if (percent - PercentComplete >= 0.9 || (i % 100) == 0)
{
UpdateProgress(percent);
}
}
if (!_cancelScanning)
{
UpdateProgress(100);
}
}
finally
{
EndRecursiveScanning(totalFiles, trackList);
}
}
private static void CreatePictureOnUIThread(Track track, IAttachedPicture picture)
{
if (track == null)
throw new ArgumentNullException("track");
if (picture == null)
throw new ArgumentNullException("picture");
if (!Application.Current.Dispatcher.CheckAccess())
{
Application.Current.Dispatcher.Invoke(new Action<Track, IAttachedPicture>(CreatePictureOnUIThread), track, picture);
return;
}
track.Picture = new Picture(picture);
}
