private void UnTrack(DirectoryWatcherItem watcher, bool removeWatcherFromGlobals)
{
foreach (var child in ListTrackedChildren(watcher))
{
UnTrack(child, true);
}
watcher.TrackCount--;
if (watcher.TrackCount == 0)
{
if (watcher.Watcher != null)
{
DisposeNativeWatcher(watcher.Watcher);
watcher.Watcher = null;
}
watcher.Parent = null;
if (removeWatcherFromGlobals)
{
watchers.Remove(watcher.Path);
}
}
}
private DirectoryWatcherItem Track(DirectoryInfo info, bool watcherNode)
{
DirectoryWatcherItem watcher;
if (watchers.TryGetValue(info.FullName, out watcher))
{
if (watcher.Watcher == null && watcherNode)
{
watcher.Watcher = CreateFileSystemWatcher(watcher.Path);
}
watcher.TrackCount++;
return(watcher);
}
var parent = info.Parent != null?Track(info.Parent, false) : null;
if (parent != null && watcherNode)
{
if (parent.Watcher != null)
{
return(parent);
}
var childrenDirectoryList = parent.ListChildrenDirectories().ToList();
var countTracked = CountTracked(childrenDirectoryList);
var newCount = (countTracked + 1);
if (newCount == childrenDirectoryList.Count && newCount > 1)
{
UnTrack(parent, false);
parent.Watcher = CreateFileSystemWatcher(parent.Path);
return(parent);
}
}
watcher = new DirectoryWatcherItem(info)
{
Parent = parent
};
if (watcherNode)
{
watcher.Watcher = CreateFileSystemWatcher(watcher.Path);
}
watchers.Add(watcher.Path, watcher);
watcher.TrackCount++;
return(watcher);
}
private IEnumerable <DirectoryWatcherItem> ListTrackedChildren(DirectoryWatcherItem watcher)
{
return(ListTracked(watcher.ListChildrenDirectories()));
}
private void UnTrack(DirectoryWatcherItem watcher, bool removeWatcherFromGlobals)
{
foreach (var child in ListTrackedChildren(watcher))
{
UnTrack(child, true);
}
watcher.TrackCount--;
if (watcher.TrackCount == 0)
{
if (watcher.Watcher != null)
{
DisposeNativeWatcher(watcher.Watcher);
watcher.Watcher = null;
}
watcher.Parent = null;
if (removeWatcherFromGlobals)
{
watchers.Remove(watcher.Path);
}
}
}
private DirectoryWatcherItem Track(DirectoryInfo info, bool watcherNode)
{
DirectoryWatcherItem watcher;
if (watchers.TryGetValue(info.FullName, out watcher))
{
if (watcher.Watcher == null && watcherNode)
{
watcher.Watcher = CreateFileSystemWatcher(watcher.Path);
}
watcher.TrackCount++;
return watcher;
}
var parent = info.Parent != null ? Track(info.Parent, false) : null;
if (parent != null && watcherNode)
{
if (parent.Watcher != null)
{
return parent;
}
var childrenDirectoryList = parent.ListChildrenDirectories().ToList();
var countTracked = CountTracked(childrenDirectoryList);
var newCount = (countTracked + 1);
if (newCount == childrenDirectoryList.Count && newCount > 1)
{
UnTrack(parent, false);
parent.Watcher = CreateFileSystemWatcher(parent.Path);
return parent;
}
}
watcher = new DirectoryWatcherItem(info) { Parent = parent };
if (watcherNode)
{
watcher.Watcher = CreateFileSystemWatcher(watcher.Path);
}
watchers.Add(watcher.Path, watcher);
watcher.TrackCount++;
return watcher;
}
private IEnumerable<DirectoryWatcherItem> ListTrackedChildren(DirectoryWatcherItem watcher)
{
return ListTracked(watcher.ListChildrenDirectories());
}