public static IEnumerable <string> GetChildVideos(IFolderMediaLocation location, string[] ignore)
{
if (location.Path.EndsWith("$RECYCLE.BIN"))
{
yield break;
}
foreach (var child in location.Children)
{
// MCE plays vobs natively
if (child.IsVideo() || child.IsVob())
{
yield return(child.Path);
}
else if (child is IFolderMediaLocation && Kernel.Instance.ConfigData.EnableNestedMovieFolders)
{
if (ignore != null && ignore.Any(path => path.ToUpper() == child.Name.ToUpper()))
{
continue;
}
foreach (var grandChild in GetChildVideos(child as IFolderMediaLocation, null))
{
yield return(grandChild);
}
}
}
}
private IEnumerable<IMediaLocation> ChildVideos(IFolderMediaLocation location)
{
if (location.ContainsChild(FolderResolver.IGNORE_FOLDER) ) yield break;
if (location.ContainsChild("mymovies.xml")) yield return null;
if (location.ContainsChild("movie.xml")) yield return null;
foreach (var child in location.Children) {
// nested DVD or BD
if (GetSpecialMediaType(child.Path.ToUpper()) != null) {
yield return null;
}
if (child.IsHidden()) continue;
if (child.IsVideo()) {
yield return child;
}
var folder = child as IFolderMediaLocation;
if (folder != null) {
if (enableTrailerSupport &&
folder.Name.ToUpper() == TrailersPath) {
continue;
}
foreach (var grandChild in ChildVideos(folder)) {
yield return grandChild;
}
}
}
}
public static bool IsArtistFolder(this IMediaLocation location)
{
IFolderMediaLocation folder = location as IFolderMediaLocation;
if (folder != null)
{
if (Path.HasExtension(folder.Path))
{
return(false);
}
if (MusicHelper.IsAlbumFolder(folder.Path))
{
return(false);
}
DirectoryInfo directoryInfo = new DirectoryInfo(folder.Path);
foreach (DirectoryInfo directory in directoryInfo.GetDirectories())
{
if (IsAlbumFolder(directory.FullName))
{
return(true);
}
}
return(false);
}
return(false);
}
public MediaLocation(FileInfo info, IFolderMediaLocation parent) {
this.Path = info.Path;
this.Parent = parent;
this.DateCreated = info.DateCreated;
this.DateModified = info.DateModified;
this.Attributes = info.Attributes;
SetName();
}
public MediaLocation(FileInfo info, IFolderMediaLocation parent)
{
this.Path = info.Path;
this.Parent = parent;
this.DateCreated = info.DateCreated;
this.DateModified = info.DateModified;
SetName();
}
// special constructor used by the virtual folders (allows for folder relocation)
public FolderMediaLocation(FileInfo info, IFolderMediaLocation parent, IFolderMediaLocation location)
: base(info, parent) {
children = new MediaBrowser.Library.Util.Lazy<IList<IMediaLocation>>(GetChildren);
index = new MediaBrowser.Library.Util.Lazy<Dictionary<string, IMediaLocation>>(CreateIndex);
if (location == null) {
this.location = this;
} else {
this.location = location;
}
}
// special constructor used by the virtual folders (allows for folder relocation)
internal FolderMediaLocation(string path, IFolderMediaLocation parent, IFolderMediaLocation location)
: base(path, parent)
{
children = new Lazy<IList<IMediaLocation>>(GetChildren);
if (location == null) {
this.location = this;
} else {
this.location = location;
}
}
public static bool IsBoxSetFolder(this IMediaLocation location)
{
IFolderMediaLocation folder = location as IFolderMediaLocation;
if (folder != null)
{
int start = location.Path.TrimEnd('\\').LastIndexOf('\\');
return(location.Path.Substring(start).ToLower().Contains("[boxset]"));
}
return(false);
}
// special constructor used by the virtual folders (allows for folder relocation)
internal FolderMediaLocation(FileInfo info, IFolderMediaLocation parent, IFolderMediaLocation location)
: base(info, parent)
{
children = new Lazy <IList <IMediaLocation> >(GetChildren);
index = new Lazy <Dictionary <string, IMediaLocation> >(CreateIndex);
if (location == null)
{
this.location = this;
}
else
{
this.location = location;
}
}
private IEnumerable <IMediaLocation> ChildVideos(IFolderMediaLocation location)
{
if (location.ContainsChild(FolderResolver.IGNORE_FOLDER))
{
yield break;
}
if (location.ContainsChild("mymovies.xml"))
{
yield return(null);
}
if (location.ContainsChild("movie.xml"))
{
yield return(null);
}
foreach (var child in location.Children)
{
// nested DVD or BD
if (GetSpecialMediaType(child.Path.ToUpper()) != null)
{
yield return(null);
}
if (child.IsHidden())
{
continue;
}
if (child.IsVideo())
{
yield return(child);
}
var folder = child as IFolderMediaLocation;
if (folder != null)
{
if (enableTrailerSupport &&
folder.Name.ToUpper() == TrailersPath)
{
continue;
}
foreach (var grandChild in ChildVideos(folder))
{
yield return(grandChild);
}
}
}
}
private IEnumerable<IMediaLocation> ChildVideos(IFolderMediaLocation location)
{
if (location.ContainsChild(FolderResolver.IGNORE_FOLDER)) yield break;
foreach (var child in location.Children) {
if (child.IsVideo()) {
yield return child;
}
var folder = child as IFolderMediaLocation;
if (folder != null) {
foreach (var grandChild in ChildVideos(folder)) {
yield return grandChild;
}
}
}
}
public static bool IsSeriesFolder(this IMediaLocation location)
{
IFolderMediaLocation folder = location as IFolderMediaLocation;
if (folder != null)
{
if (TVUtils.IsSeasonFolder(folder.Path))
{
return(false);
}
int i = 0;
foreach (IMediaLocation child in folder.Children)
{
if (child is IFolderMediaLocation &&
TVUtils.IsSeasonFolder(child.Path))
{
return(true); // we have found at least one season folder
}
else
{
i++;
}
if (i >= 3)
{
return(false); // a folder with more than 3 non-season folders in will not be counted as a series
}
}
foreach (IMediaLocation child in folder.Children)
{
if (!(child is IFolderMediaLocation) &&
child.IsVideo() &&
TVUtils.EpisodeNumberFromFile(child.Path, false) != null)
{
return(true);
}
}
}
return(false);
}
IEnumerable <string> GetChildVideos(IFolderMediaLocation location)
{
if (location.Path.EndsWith("$RECYCLE.BIN"))
{
yield break;
}
foreach (var child in location.Children)
{
if (child.IsVideo())
{
yield return(child.Path);
}
else if (child is IFolderMediaLocation)
{
foreach (var grandChild in GetChildVideos(child as IFolderMediaLocation))
{
yield return(grandChild);
}
}
}
}
protected IEnumerable <string> GetChildFiles(IFolderMediaLocation location)
{
if (location.Path.EndsWith("$RECYCLE.BIN"))
{
yield break;
}
foreach (var child in location.Children)
{
if (MusicHelper.IsMusic(child.Path))
{
yield return(child.Path);
}
else if (child is IFolderMediaLocation)
{
foreach (var grandChild in GetChildFiles(child as IFolderMediaLocation))
{
yield return(grandChild);
}
}
}
}
private IEnumerable <IMediaLocation> ChildVideos(IFolderMediaLocation location)
{
if (location.ContainsChild(FolderResolver.IGNORE_FOLDER))
{
yield break;
}
foreach (var child in location.Children)
{
if (child.IsVideo())
{
yield return(child);
}
var folder = child as IFolderMediaLocation;
if (folder != null)
{
foreach (var grandChild in ChildVideos(folder))
{
yield return(grandChild);
}
}
}
}
public MBDirectoryWatcher(Folder aFolder, bool watchChanges)
{
lastRefresh = System.DateTime.Now.AddMilliseconds(-60000); //initialize this
this.folder = aFolder;
IFolderMediaLocation location = folder.FolderMediaLocation;
if (location is VirtualFolderMediaLocation)
{
//virtual folder
this.watchedFolders = ((VirtualFolderMediaLocation)location).VirtualFolder.Folders.ToArray();
}
else
{
if (location != null)
{
//regular folder
if (Directory.Exists(location.Path))
{
this.watchedFolders = new string[] { location.Path };
}
else
{
this.watchedFolders = new string[0];
Logger.ReportInfo("Cannot watch non-folder location " + aFolder.Name);
}
}
else
{
Logger.ReportInfo("Cannot watch non-folder location " + aFolder.Name);
return;
}
}
this.fileSystemWatchers = new List <FileSystemWatcher>();
InitFileSystemWatcher(this.watchedFolders, watchChanges);
Microsoft.MediaCenter.UI.Application.DeferredInvoke(_ => { InitTimers(); }); //timers only on app thread
}
IEnumerable<string> GetChildVideos(IFolderMediaLocation location)
{
if (location.Path.EndsWith("$RECYCLE.BIN")) yield break;
foreach (var child in location.Children)
{
if (child.IsVideo()) yield return child.Path;
else if (child is IFolderMediaLocation) {
foreach (var grandChild in GetChildVideos(child as IFolderMediaLocation)) {
yield return grandChild;
}
}
}
}
public MediaLocation(string path, IFolderMediaLocation parent)
{
this.Path = path;
this.Parent = parent;
id = new Lazy<Guid>(Path.GetMD5);
}
private void DetectFolderWhichIsMovie(IFolderMediaLocation folder, out bool isMovie, out MediaType mediaType, out List <IMediaLocation> volumes)
{
int isoCount = 0;
var childFolders = new List <IFolderMediaLocation>();
isMovie = false;
mediaType = MediaType.Unknown;
volumes = new List <IMediaLocation>();
foreach (var child in folder.Children)
{
var pathUpper = child.Path.ToUpper();
if (pathUpper.EndsWith("VIDEO_TS") || pathUpper.EndsWith(".VOB"))
{
isMovie = true;
mediaType = MediaType.DVD;
break;
}
if (pathUpper.EndsWith("HVDVD_TS"))
{
isMovie = true;
mediaType = MediaType.HDDVD;
break;
}
if (pathUpper.EndsWith("BDMV"))
{
isMovie = true;
mediaType = MediaType.BluRay;
break;
}
if (child.IsIso())
{
mediaType = MediaType.ISO;
isoCount++;
if (isoCount > 1)
{
break;
}
}
if (pathUpper.EndsWith("NOAUTOPLAYLIST"))
{
break;
}
var childFolder = child as IFolderMediaLocation;
if (childFolder != null)
{
childFolders.Add(childFolder);
}
if (child.IsVideo())
{
volumes.Add(child);
if (volumes.Count > maxVideosPerMovie || isoCount > 0)
{
break;
}
}
}
if (searchForVideosRecursively && isoCount == 0)
{
int currentCount = volumes.Count;
volumes.AddRange(childFolders
.Select(child => ChildVideos(child))
.SelectMany(x => x)
.Take((maxVideosPerMovie - currentCount) + 1));
}
if (volumes.Count > 0 && isoCount == 0)
{
if (volumes.Count <= maxVideosPerMovie)
{
isMovie = true;
}
}
if (volumes.Count == 0 && isoCount == 1)
{
isMovie = true;
}
return;
}
void ValidateChildrenImpl()
{
location = null;
// cache a copy of the children
var childrenCopy = Children;
var validChildren = GetChildren(false);
var currentChildren = new Dictionary <Guid, BaseItem>();
// in case some how we have a non distinct list
foreach (var item in childrenCopy)
{
currentChildren[item.Id] = item;
}
bool changed = false;
foreach (var item in validChildren)
{
BaseItem currentChild;
if (currentChildren.TryGetValue(item.Id, out currentChild))
{
if (currentChild != null)
{
changed |= currentChild.AssignFromItem(item);
currentChildren[item.Id] = null;
}
}
else
{
changed = true;
lock (ActualChildren) {
item.Parent = this;
ActualChildren.Add(item);
}
}
}
foreach (var item in currentChildren.Values.Where(item => item != null))
{
changed = true;
lock (ActualChildren) {
ActualChildren.RemoveAll(current => current.Id == item.Id);
}
}
// this is a rare concurrency bug workaround - which I already fixed (it protects against regressions)
if (!changed && childrenCopy.Count != validChildren.Count)
{
Debug.Assert(false, "For some reason we have duplicate items in our folder, fixing this up!");
childrenCopy = childrenCopy
.Distinct(i => i.Id)
.ToList();
lock (ActualChildren) {
ActualChildren.Clear();
ActualChildren.AddRange(childrenCopy);
}
changed = true;
}
if (changed)
{
SaveChildren(Children);
OnChildrenChanged(null);
}
}
public static IEnumerable<string> GetChildVideos(IFolderMediaLocation location, string[] ignore)
{
if (location.Path.EndsWith("$RECYCLE.BIN")) yield break;
foreach (var child in location.Children)
{
// MCE plays vobs natively
if (child.IsVideo() || child.IsVob()) yield return child.Path;
else if (child is IFolderMediaLocation && Kernel.Instance.ConfigData.EnableNestedMovieFolders) {
if (ignore != null && ignore.Any(path => path.ToUpper() == child.Name.ToUpper())) {
continue;
}
foreach (var grandChild in GetChildVideos(child as IFolderMediaLocation, null)) {
yield return grandChild;
}
}
}
}
internal FolderMediaLocation(string path, IFolderMediaLocation parent)
: this(path, parent, null)
{
}
private void DetectFolderWhichIsMovie(IFolderMediaLocation folder, out bool isMovie, out MediaType mediaType, out List<IMediaLocation> volumes)
{
int isoCount = 0;
var childFolders = new List<IFolderMediaLocation>();
isMovie = false;
mediaType = MediaType.Unknown;
volumes = new List<IMediaLocation>();
foreach (var child in folder.Children) {
var pathUpper = child.Path.ToUpper();
if (pathUpper.EndsWith("VIDEO_TS") || pathUpper.EndsWith(".VOB")) {
isMovie = true;
mediaType = MediaType.DVD;
break;
}
if (pathUpper.EndsWith("HVDVD_TS")) {
isMovie = true;
mediaType = MediaType.HDDVD;
break;
}
if (pathUpper.EndsWith("BDMV")) {
isMovie = true;
mediaType = MediaType.BluRay;
break;
}
if (child.IsIso()) {
mediaType = MediaType.ISO;
isoCount++;
if (isoCount > 1) {
break;
}
}
if (pathUpper.EndsWith("NOAUTOPLAYLIST")) {
break;
}
var childFolder = child as IFolderMediaLocation;
if (childFolder != null) {
childFolders.Add(childFolder);
}
if (child.IsVideo()) {
volumes.Add(child);
if (volumes.Count > maxVideosPerMovie || isoCount > 0) {
break;
}
}
}
if (searchForVideosRecursively && isoCount == 0) {
int currentCount = volumes.Count;
volumes.AddRange(childFolders
.Select(child => ChildVideos(child))
.SelectMany(x => x)
.Take((maxVideosPerMovie - currentCount) + 1));
}
if (volumes.Count > 0 && isoCount == 0) {
if (volumes.Count <= maxVideosPerMovie) {
isMovie = true;
}
}
if (volumes.Count == 0 && isoCount == 1) {
isMovie = true;
}
return;
}
public VirtualFolderMediaLocation(string path, IFolderMediaLocation parent)
: base(path, parent)
{
virtualFolder = new VirtualFolder(Contents);
children = new Lazy<IList<IMediaLocation>>(GetChildren);
}
internal FolderMediaLocation(FileInfo info, IFolderMediaLocation parent)
: this(info, parent, null)
{
}
public override void Assign(IMediaLocation location, IEnumerable<InitializationParameter> parameters, Guid id)
{
base.Assign(location, parameters, id);
this.location = location as IFolderMediaLocation;
}
public override void Assign(IMediaLocation location, IEnumerable <InitializationParameter> parameters, Guid id)
{
base.Assign(location, parameters, id);
this.location = location as IFolderMediaLocation;
}
private void DetectFolderWhichIsMovie(IFolderMediaLocation folder, out bool isMovie, out MediaType mediaType, out List <IMediaLocation> volumes)
{
int isoCount = 0;
var childFolders = new List <IFolderMediaLocation>();
isMovie = false;
mediaType = MediaType.Unknown;
volumes = new List <IMediaLocation>();
foreach (var child in folder.Children)
{
var pathUpper = child.Path.ToUpper();
var tmpMediaType = GetSpecialMediaType(pathUpper);
// DVD/ BD or ISO
if (tmpMediaType != null)
{
mediaType = tmpMediaType.Value;
if (tmpMediaType.Value == MediaType.ISO)
{
isoCount++;
if (isoCount > 1)
{
break;
}
}
else
{
isMovie = true;
break;
}
}
var childFolder = child as IFolderMediaLocation;
if (enableTrailerSupport &&
childFolder != null &&
childFolder.Name.ToUpper() == TrailersPath)
{
continue;
}
if (childFolder != null && !childFolder.IsHidden())
{
childFolders.Add(childFolder);
}
if (!child.IsHidden() && child.IsVideo())
{
volumes.Add(child);
if (volumes.Count > maxVideosPerMovie || isoCount > 0)
{
break;
}
}
}
if (searchForVideosRecursively && isoCount == 0)
{
foreach (var location in childFolders
.Select(child => ChildVideos(child))
.SelectMany(x => x))
{
// this should be refactored, but I prefer this to throwing exceptions
if (location == null)
{
// get out of here, recursive BD / DVD / ETC found
return;
}
else
{
// another video found
volumes.Add(location);
if (volumes.Count > maxVideosPerMovie)
{
break;
}
}
}
}
if (volumes.Count > 0 && isoCount == 0)
{
if (volumes.Count <= maxVideosPerMovie)
{
//figure out media type from file extension (first one will win...)
mediaType = volumes[0].GetVideoMediaType();
isMovie = true;
}
}
if (volumes.Count == 0 && isoCount == 1)
{
isMovie = true;
}
return;
}
protected IEnumerable<string> GetChildFiles(IFolderMediaLocation location)
{
if (location.Path.EndsWith("$RECYCLE.BIN")) yield break;
foreach (var child in location.Children)
{
if (MusicHelper.IsMusic(child.Path)) yield return child.Path;
else if (child is IFolderMediaLocation)
{
foreach (var grandChild in GetChildFiles(child as IFolderMediaLocation))
{
yield return grandChild;
}
}
}
}
private void DetectFolderWhichIsMovie(IFolderMediaLocation folder, out bool isMovie, out MediaType mediaType, out List<IMediaLocation> volumes)
{
int isoCount = 0;
var childFolders = new List<IFolderMediaLocation>();
isMovie = false;
mediaType = MediaType.Unknown;
volumes = new List<IMediaLocation>();
foreach (var child in folder.Children) {
var pathUpper = child.Path.ToUpper();
var tmpMediaType = GetSpecialMediaType(pathUpper);
// DVD/ BD or ISO
if (tmpMediaType != null) {
mediaType = tmpMediaType.Value;
if (tmpMediaType.Value == MediaType.ISO) {
isoCount++;
if (isoCount > 1) {
break;
}
} else {
isMovie = true;
break;
}
}
var childFolder = child as IFolderMediaLocation;
if (enableTrailerSupport &&
childFolder != null &&
childFolder.Name.ToUpper() == TrailersPath) {
continue;
}
if (childFolder != null && !childFolder.IsHidden()) {
childFolders.Add(childFolder);
}
if (!child.IsHidden() && child.IsVideo()) {
volumes.Add(child);
if (volumes.Count > maxVideosPerMovie || isoCount > 0) {
break;
}
}
}
if (searchForVideosRecursively && isoCount == 0) {
foreach (var location in childFolders
.Select(child => ChildVideos(child))
.SelectMany(x => x)) {
// this should be refactored, but I prefer this to throwing exceptions
if (location == null) {
// get out of here, recursive BD / DVD / ETC found
return;
} else {
// another video found
volumes.Add(location);
if (volumes.Count > maxVideosPerMovie) break;
}
}
}
if (volumes.Count > 0 && isoCount == 0) {
if (volumes.Count <= maxVideosPerMovie) {
//figure out media type from file extension (first one will win...)
mediaType = volumes[0].GetVideoMediaType();
isMovie = true;
}
}
if (volumes.Count == 0 && isoCount == 1) {
isMovie = true;
}
return;
}
public VirtualFolderMediaLocation(FileInfo info, IFolderMediaLocation parent)
: base(info, parent)
{
virtualFolder = new VirtualFolderContents(Contents);
}
bool ValidateChildrenImpl()
{
location = null;
int unavailableItems = 0;
// cache a copy of the children
var childrenCopy = ActualChildren.ToList(); //changed this to reference actual children so it wouldn't keep mucking up hidden ones -ebr
var validChildren = GetChildren(false);
var currentChildren = new Dictionary <Guid, BaseItem>();
// in case some how we have a non distinct list
foreach (var item in childrenCopy)
{
currentChildren[item.Id] = item;
}
if (currentChildren.Count != validChildren.Count)
{
Logger.ReportVerbose("Validating " + this.Name + ". CurrentChildren: " + currentChildren.Count + ". Physical Children: " + validChildren.Count);
}
bool changed = false;
foreach (var item in validChildren)
{
BaseItem currentChild;
if (currentChildren.TryGetValue(item.Id, out currentChild))
{
if (currentChild != null)
{
bool thisItemChanged = currentChild.AssignFromItem(item);
if (thisItemChanged)
{
item.RefreshMetadata(MediaBrowser.Library.Metadata.MetadataRefreshOptions.Default);
Kernel.Instance.ItemRepository.SaveItem(item);
}
currentChildren[item.Id] = null;
}
}
else
{
changed = true;
Logger.ReportInfo("Adding new item to library: " + item.Name + " (" + item.Path + ")");
lock (ActualChildren) {
item.Parent = this;
ActualChildren.Add(item);
item.RefreshMetadata(MediaBrowser.Library.Metadata.MetadataRefreshOptions.Force); //necessary to get it to show up without user intervention
Kernel.Instance.ItemRepository.SaveItem(item);
// Notify the kernel that a new item was added
Kernel.Instance.OnItemAddedToLibrary(item);
var folder = item as Folder;
if (folder != null)
{
Logger.ReportVerbose(item.Name + " is folder - validating and refreshing children...");
folder.ValidateChildren();
foreach (var child in folder.Children) //necessary to get new sub-items to refresh properly
{
child.RefreshMetadata(MediaBrowser.Library.Metadata.MetadataRefreshOptions.Force);
}
}
}
}
}
foreach (var item in currentChildren.Values.Where(item => item != null))
{
if (FolderMediaLocation != null && FolderMediaLocation.IsUnavailable(item.Path))
{
Logger.ReportInfo("Not removing missing item " + item.Name + " because its location is unavailable.");
unavailableItems++;
}
else
{
changed = true;
Logger.ReportInfo("Removing missing item from library: (" + item.Id + ") " + item.Path);
lock (ActualChildren)
{
ActualChildren.RemoveAll(current => current.Id == item.Id);
}
// Notify the kernel that an item was removed
Kernel.Instance.OnItemRemovedFromLibrary(item);
}
}
// this is a rare concurrency bug workaround - which I already fixed (it protects against regressions)
if (!changed && childrenCopy.Count != (validChildren.Count + unavailableItems))
{
Logger.ReportWarning("For some reason we have duplicate items in folder " + Name + ", fixing this up!");
Logger.ReportVerbose("ChildrenCopy count: " + childrenCopy.Count + " ValidChildren count: " + (validChildren.Count + unavailableItems));
//Logger.ReportVerbose("ChildrenCopy contents are: ");
//foreach (var item in childrenCopy) Logger.ReportVerbose(" --- " + item.Name + " Path: " + item.Path);
//Logger.ReportVerbose("ValidChildren contents are: ");
//foreach (var item in validChildren) Logger.ReportVerbose(" --- " + item.Name + " Path: " + item.Path);
childrenCopy = childrenCopy
.Distinct(i => i.Id)
.ToList();
lock (ActualChildren) {
ActualChildren.Clear();
ActualChildren.AddRange(childrenCopy);
}
changed = true;
}
if (changed)
{
lock (ActualChildren)
SaveChildren(ActualChildren);
//we need to blank out the persisted RAL items for the top level folder
var item = this;
while (item != null && item.Parent != Kernel.Instance.RootFolder)
{
item = item.Parent;
}
if (item != null)
{
item.RemoveQuicklist();
}
OnChildrenChanged(new ChildrenChangedEventArgs {
FolderContentChanged = true
});
}
return(changed);
}
void ValidateChildrenImpl()
{
location = null;
// cache a copy of the children
var childrenCopy = Children;
var validChildren = GetChildren(false);
var currentChildren = new Dictionary<Guid, BaseItem>();
// in case some how we have a non distinct list
foreach (var item in childrenCopy) {
currentChildren[item.Id] = item;
}
bool changed = false;
foreach (var item in validChildren) {
BaseItem currentChild;
if (currentChildren.TryGetValue(item.Id, out currentChild)) {
if (currentChild != null) {
changed |= currentChild.AssignFromItem(item);
currentChildren[item.Id] = null;
}
} else {
changed = true;
lock (ActualChildren) {
item.Parent = this;
ActualChildren.Add(item);
}
}
}
foreach (var item in currentChildren.Values.Where(item => item != null)) {
changed = true;
lock (ActualChildren) {
ActualChildren.RemoveAll(current => current.Id == item.Id);
}
}
// this is a rare concurrency bug workaround - which I already fixed (it protects against regressions)
if (!changed && childrenCopy.Count != validChildren.Count) {
Debug.Assert(false,"For some reason we have duplicate items in our folder, fixing this up!");
childrenCopy = childrenCopy
.Distinct(i => i.Id)
.ToList();
lock (ActualChildren) {
ActualChildren.Clear();
ActualChildren.AddRange(childrenCopy);
}
changed = true;
}
if (changed) {
SaveChildren(Children);
OnChildrenChanged(null);
}
}
internal FolderMediaLocation(FileInfo info, IFolderMediaLocation parent)
: this(info, parent, null)
{
}
public VirtualFolderMediaLocation(FileInfo info, IFolderMediaLocation parent)
: base(info, parent)
{
virtualFolder = new VirtualFolderContents(Contents);
}