private void AddDapProperties()
{
if (AudioFolders.Length > 0 && !String.IsNullOrEmpty(AudioFolders[0]))
{
AddDapProperty(String.Format(
Catalog.GetPluralString("Audio Folder", "Audio Folders", AudioFolders.Length), AudioFolders.Length),
System.String.Join("\n", AudioFolders)
);
}
if (VideoFolders.Length > 0 && !String.IsNullOrEmpty(VideoFolders[0]))
{
AddDapProperty(String.Format(
Catalog.GetPluralString("Video Folder", "Video Folders", VideoFolders.Length), VideoFolders.Length),
System.String.Join("\n", VideoFolders)
);
}
if (FolderDepth != -1)
{
AddDapProperty(Catalog.GetString("Required Folder Depth"), FolderDepth.ToString());
}
AddYesNoDapProperty(Catalog.GetString("Supports Playlists"), PlaylistTypes.Count > 0);
/*if (AcceptableMimeTypes.Length > 0) {
* AddDapProperty (String.Format (
* Catalog.GetPluralString ("Audio Format", "Audio Formats", PlaybackFormats.Length), PlaybackFormats.Length),
* System.String.Join (", ", PlaybackFormats)
* );
* }*/
}
private static IReadOnlyList <string> GetFilesCore(string directory, FolderDepth folderDepth, string userSearchFilter, string applicationSearchFilter,
CancellationToken cancellationToken)
{
// This method is run in an task (not in the UI thread) => static ensures some thread-safety.
var folder = StorageFolder.GetFolderFromPathAsync(directory).GetResult(cancellationToken);
var queryOptions = new QueryOptions(CommonFileQuery.OrderByName, SupportedFileTypes.MusicFileExtensions)
{
UserSearchFilter = userSearchFilter ?? "",
ApplicationSearchFilter = applicationSearchFilter ?? "",
FolderDepth = folderDepth
};
var result = folder.CreateFileQueryWithOptions(queryOptions);
// It seems that GetFilesAsync does not check the cancellationToken; so get only parts of the file results in a loop.
Logger.Verbose("ManagerController.UpdateMusicFiles:GetFilesAsync Start");
List <string> files = new List <string>();
uint index = 0;
int resultCount = 0;
const uint maxFiles = 100;
do
{
var filesResult = result.GetFilesAsync(index, maxFiles).GetResult(cancellationToken);
resultCount = filesResult.Count;
files.AddRange(filesResult.Select(x => x.Path));
index += maxFiles;
}while (resultCount == maxFiles);
Logger.Verbose("ManagerController.UpdateMusicFiles:GetFilesAsync End");
return(files);
}
private async void UpdateMusicFiles(FolderDepth folderDepth)
{
if (updateMusicFilesCancellation != null)
{
updateMusicFilesCancellation.Cancel();
}
var cancellation = new CancellationTokenSource();
updateMusicFilesCancellation = cancellation;
Logger.Verbose("ManagerController.UpdateMusicFiles:Start");
managerStatusService.StartUpdatingFilesList();
musicFiles.Clear();
var path = ManagerViewModel.FolderBrowser.CurrentPath;
try
{
var filesCount = 0;
if (Directory.Exists(path))
{
var userSearchFilter = ManagerViewModel.SearchFilter.UserSearchFilter;
var applicationSearchFilter = ManagerViewModel.SearchFilter.ApplicationSearchFilter;
var files = await GetFilesAsync(path, folderDepth, userSearchFilter, applicationSearchFilter, cancellation.Token);
filesCount = files.Count();
var newFiles = files.Select(x => musicFileContext.Create(x)).ToArray();
foreach (var newFile in newFiles)
{
musicFiles.Add(newFile);
}
if (selectionService.MusicFiles.Any())
{
selectionService.SelectedMusicFiles.Clear();
selectionService.SelectedMusicFiles.Add(selectionService.MusicFiles.First());
}
}
managerStatusService.FinishUpdatingFilesList(filesCount);
}
catch (OperationCanceledException)
{
Logger.Verbose("ManagerController.UpdateMusicFiles:Canceled");
}
if (cancellation == updateMusicFilesCancellation)
{
updateMusicFilesCancellation = null;
}
Logger.Verbose("ManagerController.UpdateMusicFiles:End");
}
private Task <IReadOnlyList <string> > GetFilesAsync(string directory, FolderDepth folderDepth, string userSearchFilter, string applicationSearchFilter, CancellationToken cancellationToken)
{
if (folderDepth == FolderDepth.Shallow)
{
fileSystemWatcherService.Path = directory;
fileSystemWatcherService.EnableRaisingEvents = true;
}
else
{
fileSystemWatcherService.EnableRaisingEvents = false;
}
// It is necessary to run this in an own task => otherwise, reentrance would block the UI thread although this should not happen.
return(Task.Run(() => GetFilesCore(directory, folderDepth, userSearchFilter, applicationSearchFilter, cancellationToken)));
}
private static IReadOnlyList<string> GetFilesCore(string directory, FolderDepth folderDepth, string userSearchFilter, string applicationSearchFilter,
CancellationToken cancellationToken)
{
// This method is run in an task (not in the UI thread) => static ensures some thread-safety.
var folder = StorageFolder.GetFolderFromPathAsync(directory).GetResult(cancellationToken);
var queryOptions = new QueryOptions(CommonFileQuery.OrderByName, SupportedFileTypes.MusicFileExtensions)
{
UserSearchFilter = userSearchFilter ?? "",
ApplicationSearchFilter = applicationSearchFilter ?? "",
FolderDepth = folderDepth
};
var result = folder.CreateFileQueryWithOptions(queryOptions);
// It seems that GetFilesAsync does not check the cancellationToken; so get only parts of the file results in a loop.
Logger.Verbose("ManagerController.UpdateMusicFiles:GetFilesAsync Start");
List<string> files = new List<string>();
uint index = 0;
int resultCount = 0;
const uint maxFiles = 100;
do
{
var filesResult = result.GetFilesAsync(index, maxFiles).GetResult(cancellationToken);
resultCount = filesResult.Count;
files.AddRange(filesResult.Select(x => x.Path));
index += maxFiles;
}
while (resultCount == maxFiles);
Logger.Verbose("ManagerController.UpdateMusicFiles:GetFilesAsync End");
return files;
}
private Task<IReadOnlyList<string>> GetFilesAsync(string directory, FolderDepth folderDepth, string userSearchFilter, string applicationSearchFilter, CancellationToken cancellationToken)
{
if (folderDepth == FolderDepth.Shallow)
{
fileSystemWatcherService.Path = directory;
fileSystemWatcherService.EnableRaisingEvents = true;
}
else
{
fileSystemWatcherService.EnableRaisingEvents = false;
}
// It is necessary to run this in an own task => otherwise, reentrance would block the UI thread although this should not happen.
return Task<IReadOnlyList<string>>.Factory.StartNew(() =>
{
return GetFilesCore(directory, folderDepth, userSearchFilter, applicationSearchFilter, cancellationToken);
},
TaskCreationOptions.LongRunning);
}
private async void UpdateMusicFiles(FolderDepth folderDepth)
{
if (updateMusicFilesCancellation != null)
{
updateMusicFilesCancellation.Cancel();
}
var cancellation = new CancellationTokenSource();
updateMusicFilesCancellation = cancellation;
Logger.Verbose("ManagerController.UpdateMusicFiles:Start");
managerStatusService.StartUpdatingFilesList();
musicFiles.Clear();
var path = ManagerViewModel.FolderBrowser.CurrentPath;
try
{
var filesCount = 0;
if (Directory.Exists(path))
{
var userSearchFilter = ManagerViewModel.SearchFilter.UserSearchFilter;
var applicationSearchFilter = ManagerViewModel.SearchFilter.ApplicationSearchFilter;
var files = await GetFilesAsync(path, folderDepth, userSearchFilter, applicationSearchFilter, cancellation.Token);
filesCount = files.Count();
var newFiles = files.Select(x => musicFileContext.Create(x)).ToArray();
foreach (var newFile in newFiles)
{
musicFiles.Add(newFile);
}
if (selectionService.MusicFiles.Any())
{
selectionService.SelectedMusicFiles.Clear();
selectionService.SelectedMusicFiles.Add(selectionService.MusicFiles.First());
}
}
managerStatusService.FinishUpdatingFilesList(filesCount);
}
catch (OperationCanceledException)
{
Logger.Verbose("ManagerController.UpdateMusicFiles:Canceled");
}
if (cancellation == updateMusicFilesCancellation)
{
updateMusicFilesCancellation = null;
}
Logger.Verbose("ManagerController.UpdateMusicFiles:End");
}
public static QueryOptions GetQueryOptions(string aqsQuery = null, bool useIndexer = true, FolderDepth folderDepth = FolderDepth.Deep)
{
QueryOptions options = new QueryOptions(CommonFileQuery.OrderByName,
new[] { ".mp3", ".wav", ".ogg", ".flac", ".m4a", ".aif", ".wma", ".aac", ".mp4" });
options.FolderDepth = folderDepth;
options.IndexerOption = useIndexer ? IndexerOption.UseIndexerWhenAvailable : IndexerOption.DoNotUseIndexer;
options.SetThumbnailPrefetch(ThumbnailMode.MusicView, 512, ThumbnailOptions.ReturnOnlyIfCached);
options.SetPropertyPrefetch(PropertyPrefetchOptions.MusicProperties, TagReaderHelper.GetExtraPropertiesNames());
//options.ApplicationSearchFilter += "System.Kind:=System.Kind#Music" + aqsQuery;
return(options);
}
