public MusicInfo(FileInfoEx file)
{
UniqueId = Guid.NewGuid();
if (!file.Exists)
throw new FileNotFoundException("File not found: " + file.FullName);
FilePath = file.FullName;
GetInfoFromTag();
}
public static void AttachPreview(IntPtr handler, FileInfoEx file, Rectangle viewRect)
{
if (pHandler != null)
{
pHandler.Unload();
}
string fileName = file.FullName;
string CLSID = "8895b1c6-b41f-4c1c-a562-0d564250836f";
Guid g = new Guid(CLSID);
string[] exts = fileName.Split('.');
string ext = exts[exts.Length - 1];
using (RegistryKey hk = Registry.ClassesRoot.OpenSubKey(string.Format(@".{0}\ShellEx\{1:B}", ext, g)))
{
if (hk != null)
{
g = new Guid(hk.GetValue("").ToString());
Type a = Type.GetTypeFromCLSID(g, true);
object o = Activator.CreateInstance(a);
IInitializeWithFile fileInit = o as IInitializeWithFile;
IInitializeWithStream streamInit = o as IInitializeWithStream;
bool isInitialized = false;
if (fileInit != null)
{
fileInit.Initialize(fileName, 0);
isInitialized = true;
}
else if (streamInit != null)
{
FileStreamEx stream = file.OpenRead();
//COMStream stream = new COMStream(File.Open(fileName, FileMode.Open));
streamInit.Initialize((IStream)streamInit, 0);
isInitialized = true;
}
if (isInitialized)
{
pHandler = o as IPreviewHandler;
if (pHandler != null)
{
ShellAPI.RECT r = new ShellAPI.RECT(viewRect);
pHandler.SetWindow(handler, ref r);
pHandler.SetRect(ref r);
pHandler.DoPreview();
}
}
}
}
}
public static MusicInfo Create(FileInfoEx file, Action<Exception, string> errorCallback)
{
try
{
return new MusicInfo(file);
}
catch (Exception ex)
{
errorCallback(ex, file.FullName);
return null;
}
}
public bool GetPlaylistFiles(string path, out IEnumerable<string> entries)
{
try
{
var dir = new FileInfoEx(path).DirectoryName.TrimEnd('\\');
entries = new List<string>(from f in FileEx.ReadAllLines(path)
where !string.IsNullOrWhiteSpace(f) && !f.StartsWith("#EXT")
select f[1] == ':' || f.StartsWith("\\\\") ? f : (dir + "\\" + f));
return true;
}
catch
{
entries = null;
return false;
}
}
public static FileSystemInfoEx ResolveSymLink(this FileSystemInfoEx info)
{
var path = info.FullName;
string directory = Path.GetDirectoryName(path);
string file = Path.GetFileName(path);
Shell32.Shell shell = new Shell32.Shell();
Shell32.Folder folder = shell.NameSpace(directory);
Shell32.FolderItem folderItem = folder.ParseName(file);
Shell32.ShellLinkObject link = (Shell32.ShellLinkObject)folderItem.GetLink;
FileSystemInfoEx ret = null;
if (Path.GetDirectoryName(link.Path) == link.Path)
{
ret = new DirectoryInfoEx(link.Path);
}
else
{
ret = new FileInfoEx(link.Path);
}
return(ret);
}
public static FileModel FromExEntry(FileInfoEx entry)
{
return new FileModel(entry as FileInfoEx);
}
public FileModel(FileInfoEx file)
: base(file)
{
this._length = file.Length;
}
//0.17: Added DirectoryInfoEx.EnumerateFiles/EnumerateDirectories/EnumerateFileSystemInfos() methods which work similar as the one in .Net4
public IEnumerable <FileInfoEx> EnumerateFiles(String searchPattern, SearchOption searchOption, CancelDelegate cancel)
{
IntPtr ptrEnum = IntPtr.Zero;
IEnumIDList IEnum = null;
PIDL parentPIDL = this.PIDL;
using (ShellFolder2 sf = this.ShellFolder)
try
{
if (sf.EnumObjects(IntPtr.Zero, flag, out ptrEnum) == ShellAPI.S_OK)
{
IEnum = (IEnumIDList)Marshal.GetTypedObjectForIUnknown(ptrEnum, typeof(IEnumIDList));
IntPtr pidlSubItem;
int celtFetched;
while (!IOTools.IsCancelTriggered(cancel) && IEnum.Next(1, out pidlSubItem, out celtFetched) == ShellAPI.S_OK && celtFetched == 1)
{
ShellAPI.SFGAO attribs = ShellAPI.SFGAO.FOLDER | ShellAPI.SFGAO.FILESYSTEM | ShellAPI.SFGAO.STREAM;
sf.GetAttributesOf(1, new IntPtr[] { pidlSubItem }, ref attribs);
//http://www.eggheadcafe.com/aspnet_answers/platformsdkshell/Mar2006/post26165601.asp
bool isZip = ((attribs & ShellAPI.SFGAO.FOLDER) != 0 && (attribs & ShellAPI.SFGAO.STREAM) != 0);
bool isDir = ((attribs & ShellAPI.SFGAO.FOLDER) != 0);
if (isZip || !isDir)
{
PIDL subRelPidl = new PIDL(pidlSubItem, false);
//FileInfoEx fi = new FileInfoEx(sf, this, subRelPidl);
FileInfoEx fi = new FileInfoEx(sf, parentPIDL, subRelPidl);
if (IOTools.MatchFileMask(fi.Name, searchPattern))
{
yield return(fi);
}
//0.18: Fixed DirectoryInfoEx.EnumerateFiles, SearchPattern is ignored.
}
}
if (searchOption == SearchOption.AllDirectories)
{
IEnumerator <DirectoryInfoEx> dirEnumerator = EnumerateDirectories("*", SearchOption.TopDirectoryOnly, cancel).GetEnumerator();
while (!IOTools.IsCancelTriggered(cancel) && dirEnumerator.MoveNext())
{
IEnumerator <FileInfoEx> fileEnumerator = dirEnumerator.Current.EnumerateFiles(searchPattern, searchOption, cancel).GetEnumerator();
while (fileEnumerator.MoveNext())
{
//Debug.Assert(!fileEnumerator.Current.IsFolder);
yield return(fileEnumerator.Current);
}
}
}
}
}
finally
{
if (parentPIDL != null)
{
parentPIDL.Free();
parentPIDL = null;
}
if (IEnum != null)
{
Marshal.ReleaseComObject(IEnum);
Marshal.Release(ptrEnum);
}
}
}
//0.17: Added DirectoryInfoEx.EnumerateFiles/EnumerateDirectories/EnumerateFileSystemInfos() methods which work similar as the one in .Net4
public IEnumerable<FileInfoEx> EnumerateFiles(String searchPattern, SearchOption searchOption, CancelDelegate cancel)
{
IntPtr ptrEnum = IntPtr.Zero;
IEnumIDList IEnum = null;
PIDL parentPIDL = this.PIDL;
using (ShellFolder2 sf = this.ShellFolder)
try
{
if (sf.EnumObjects(IntPtr.Zero, flag, out ptrEnum) == ShellAPI.S_OK)
{
IEnum = (IEnumIDList)Marshal.GetTypedObjectForIUnknown(ptrEnum, typeof(IEnumIDList));
IntPtr pidlSubItem;
int celtFetched;
while (!IOTools.IsCancelTriggered(cancel) && IEnum.Next(1, out pidlSubItem, out celtFetched) == ShellAPI.S_OK && celtFetched == 1)
{
ShellAPI.SFGAO attribs = ShellAPI.SFGAO.FOLDER | ShellAPI.SFGAO.FILESYSTEM | ShellAPI.SFGAO.STREAM;
sf.GetAttributesOf(1, new IntPtr[] { pidlSubItem }, ref attribs);
//http://www.eggheadcafe.com/aspnet_answers/platformsdkshell/Mar2006/post26165601.asp
bool isZip = ((attribs & ShellAPI.SFGAO.FOLDER) != 0 && (attribs & ShellAPI.SFGAO.STREAM) != 0);
bool isDir = ((attribs & ShellAPI.SFGAO.FOLDER) != 0);
if (isZip || !isDir)
{
PIDL subRelPidl = new PIDL(pidlSubItem, false);
//FileInfoEx fi = new FileInfoEx(sf, this, subRelPidl);
FileInfoEx fi = new FileInfoEx(sf, parentPIDL, subRelPidl);
if (IOTools.MatchFileMask(fi.Name, searchPattern))
yield return fi;
//0.18: Fixed DirectoryInfoEx.EnumerateFiles, SearchPattern is ignored.
}
}
if (searchOption == SearchOption.AllDirectories)
{
IEnumerator<DirectoryInfoEx> dirEnumerator = EnumerateDirectories("*", SearchOption.TopDirectoryOnly, cancel).GetEnumerator();
while (!IOTools.IsCancelTriggered(cancel) && dirEnumerator.MoveNext())
{
IEnumerator<FileInfoEx> fileEnumerator = dirEnumerator.Current.EnumerateFiles(searchPattern, searchOption, cancel).GetEnumerator();
while (fileEnumerator.MoveNext())
{
//Debug.Assert(!fileEnumerator.Current.IsFolder);
yield return fileEnumerator.Current;
}
}
}
}
}
finally
{
if (parentPIDL != null)
{
parentPIDL.Free();
parentPIDL = null;
}
if (IEnum != null)
{
Marshal.ReleaseComObject(IEnum);
Marshal.Release(ptrEnum);
}
}
}