public void Handle(object sender, PropertyChangedEventArgs args)
{
bool hasDeadRef = false;
var listeners = _listeners;
for (int i = 0; i < listeners.Length; i++)
{
if (i >= _size)
{
break;
}
var pair = listeners[i];
if (pair.Key.IsEmpty)
{
hasDeadRef = true;
continue;
}
if (ToolkitExtensions.MemberNameEqual(args.PropertyName, pair.Value, true))
{
if (!pair.Key.EventListener.TryHandle(sender, args))
{
hasDeadRef = true;
}
}
}
if (hasDeadRef)
{
lock (this)
Cleanup();
}
}
private bool MemberNameEqual(string memberName, IBindingSourceAccessor accessor)
{
if (string.IsNullOrEmpty(memberName))
{
return(true);
}
var paths = ErrorPaths;
bool hasPaths = paths != null && paths.Length != 0;
if (hasPaths)
{
for (int i = 0; i < paths.Length; i++)
{
if (ToolkitExtensions.MemberNameEqual(memberName, paths[i], true))
{
return(true);
}
}
}
else if (IsDirectSource)
{
return(true);
}
var singleAccessor = accessor as ISingleBindingSourceAccessor;
string path;
if (singleAccessor != null)
{
path = singleAccessor.Source.Path.Parts.LastOrDefault();
if (hasPaths && string.IsNullOrEmpty(path))
{
return(false);
}
return(ToolkitExtensions.MemberNameEqual(memberName, path, true));
}
for (int i = 0; i < accessor.Sources.Count; i++)
{
path = accessor.Sources[i].Path.Parts.LastOrDefault();
if (hasPaths && string.IsNullOrEmpty(path))
{
continue;
}
if (ToolkitExtensions.MemberNameEqual(memberName, path, true))
{
return(true);
}
}
return(false);
}
public void Handle(object sender, PropertyChangedEventArgs args)
{
bool hasDeadRef = false;
var listeners = _listeners;
for (int i = 0; i < listeners.Length; i++)
{
var pair = listeners[i];
if (ToolkitExtensions.MemberNameEqual(args.PropertyName, pair.Value, true))
{
if (!pair.Key.EventListener.TryHandle(sender, args))
{
hasDeadRef = true;
}
}
}
if (hasDeadRef)
{
lock (_propertyChanged)
Update(WeakEventListenerWrapper.Empty, null);
}
}
protected static bool MemberNameEqual <T>(string memberName, Func <Expression <Func <T, object> > > getMember)
{
return(ToolkitExtensions.MemberNameEqual(memberName, getMember));
}
