internal static void RaiseFtpChangedEvent(WatcherChangeTypes changeType, Uri uri, string newName)
{
if (ChangedListeners != null)
{
List<EventHandler<FtpChangedEventArg>> list;
FtpChangedEventArg arg;
Uri parent = FtpItemInfo.GetParent(uri);
if (parent == null)
{
throw new ArgumentException("Cannot get parent from this uri");
}
ChangedLock.AcquireReaderLock(-1);
try
{
list = new List<EventHandler<FtpChangedEventArg>>(ChangedListeners.Count);
foreach (WeakReference reference in ChangedListeners)
{
if (reference.IsAlive)
{
list.Add((EventHandler<FtpChangedEventArg>) reference.Target);
}
}
}
finally
{
ChangedLock.ReleaseReaderLock();
}
if (changeType == WatcherChangeTypes.Renamed)
{
arg = new FtpChangedEventArg(uri, parent, newName);
}
else
{
arg = new FtpChangedEventArg(changeType, uri, parent);
}
foreach (EventHandler<FtpChangedEventArg> handler in list)
{
if (handler != null)
{
handler(null, arg);
}
}
}
}
private void OnFtpChanged(object sender, FtpChangedEventArg e)
{
this.Cache.Lock.AcquireWriterLock(-1);
try
{
this.Cache.Remove(e.BaseUri);
if (e.ChangeType != WatcherChangeTypes.Created)
{
this.Cache.Remove(e.AbsoluteUri);
}
}
finally
{
this.Cache.Lock.ReleaseWriterLock();
}
}