public void SetElement(VisualElement element)
{
if (Element != null)
{
throw new NotSupportedException("Reuse of the Shell Renderer is not supported");
}
Element = element;
OnElementSet((Shell)Element);
ElementChanged?.Invoke(this, new VisualElementChangedEventArgs(null, Element));
Mapper.UpdateProperties(this, Element);
}
public virtual void SetVirtualView(IElement view)
{
_ = view ?? throw new ArgumentNullException(nameof(view));
if (VirtualView == view)
{
return;
}
var oldVirtualView = VirtualView;
if (oldVirtualView?.Handler != null)
{
oldVirtualView.Handler = null;
}
bool setupNativeView = oldVirtualView == null;
VirtualView = view;
NativeView ??= CreateNativeElement();
if (VirtualView.Handler != this)
{
VirtualView.Handler = this;
}
if (setupNativeView)
{
ConnectHandler(NativeView);
}
_mapper = _defaultMapper;
if (VirtualView is IPropertyMapperView imv)
{
var map = imv.GetPropertyMapperOverrides();
if (map is not null)
{
map.Chained = new[] { _defaultMapper };
_mapper = map;
}
}
_mapper.UpdateProperties(this, VirtualView);
}
