private void FolderFolderScannedEvent(object sender, Folder.FolderScannedEventArgs e)
{
_folderScanCounter++;
//UpdateScanStatusText();
}
public FileEventArgs(File file, Folder folder)
{
File = file;
Folder = folder;
}
private void FolderFileActionEvent(object sender, Folder.FileActionEventArgs e)
{
FileEventText = e.Message;
OnPropertyChanged("FileEventText");
}
private static IEnumerable<Folder> GetSubfolders(Folder root, string folder, Folder parent)
{
var directories = Directory.GetDirectories(folder);
foreach (var directory in directories)
yield return Folder.CreateFolder(root, directory, parent);
}
private static Folder CreateFolder(Folder root, string folderPath, Folder parent)
{
if (folderPath.EndsWith(@":\")) throw new InvalidOperationException();
return new Folder(folderPath, root, parent);
}
//Factory
private static Folder CreateDrive(string driveLetter, bool loadTreeAsync)
{
if (!driveLetter.EndsWith(@":\")) throw new InvalidOperationException();
//Look for folder in the loaded static list (Repository)
var folder = RootFolderList.FirstOrDefault(itm => string.Compare(itm.FullName, driveLetter) == 0);
if (folder == null)
{
lock (RootFolderList) //Check-lock-check pattern
{
folder = RootFolderList.FirstOrDefault(itm => string.Compare(itm.FullName, driveLetter) == 0);
if (folder == null)
{
folder = new Folder(driveLetter, loadTreeAsync);
RootFolderList.Add(folder);
}
}
}
return folder;
}
/// <summary>
/// Drive
/// </summary>
/// <param name="driveLetter"></param>
/// <param name="loadTreeAsync"></param>
private Folder(string driveLetter, bool loadTreeAsync)
: this()
{
_root = this;
_parent = null;
_syncRootChildren = new object();
_syncRootFiles = new object();
FullName = driveLetter;
if (!IsDrive ) throw new InvalidOperationException();
//If the folder is a drive, start a thread that loads subfolders
try
{
//Start listening to events on the drive
_fileSystemWatcher = new FileSystemWatcher();
_fileSystemWatcher.Path = FullName;
_fileSystemWatcher.Filter = "*.*";
_fileSystemWatcher.IncludeSubdirectories = true;
_fileSystemWatcher.EnableRaisingEvents = true;
_fileSystemWatcher.Changed += FileSystemWatcherChanged;
_fileSystemWatcher.Created += FileSystemWatcherCreated;
//_fileSystemWatcher.Renamed += _fileSystemWatcher_Renamed;
_fileSystemWatcher.Deleted += FileSystemWatcherDeleted;
_thread = new Thread(LoadSizeEngine) { Name = string.Format("LoadDrive{0}", FullName.Substring(0, 1)), IsBackground = true, Priority = ThreadPriority.BelowNormal };
if (loadTreeAsync)
{
//Automatically starts a new scanner thread for each logical drive.
//Only do this for the C-drive, others have to be started manually
if (driveLetter.StartsWith("C"))
_thread.Start();
}
}
catch(ArgumentException exp)
{
if (string.Compare( exp.Message, string.Format( "The directory name {0} is invalid.", FullName )) == 0 )
{
Message = exp.Message;
_fileSystemWatcher = null;
}
else
throw;
}
}
/// <summary>
/// Subfolder
/// </summary>
/// <param name="fullName"></param>
/// <param name="root"></param>
/// <param name="parent"></param>
private Folder(string fullName, Folder root, Folder parent)
: this()
{
_root = root;
_parent = parent;
FullName = fullName;
if (IsDrive) throw new InvalidOperationException();
}