private void InternalSetContent(UIElement content)
{
if (_window == null)
{
_rootBorder = new Border();
_rootScrollViewer = new ScrollViewer()
{
VerticalScrollBarVisibility = ScrollBarVisibility.Disabled,
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled,
VerticalScrollMode = ScrollMode.Disabled,
HorizontalScrollMode = ScrollMode.Disabled,
Content = _rootBorder
};
_popupRoot = new PopupRoot();
FocusVisualLayer = new Canvas();
_window = new Grid()
{
IsVisualTreeRoot = true,
Children =
{
_rootScrollViewer,
_popupRoot,
FocusVisualLayer
}
};
}
_rootBorder.Child = _content = content;
if (content != null)
{
if (FeatureConfiguration.FrameworkElement.WasmUseManagedLoadedUnloaded && !_window.IsLoaded)
{
UIElement.LoadingRootElement(_window);
}
WebAssemblyRuntime.InvokeJS($"Uno.UI.WindowManager.current.setRootContent({_window.HtmlId});");
if (FeatureConfiguration.FrameworkElement.WasmUseManagedLoadedUnloaded && !_window.IsLoaded)
{
UIElement.RootElementLoaded(_window);
}
}
else
{
WebAssemblyRuntime.InvokeJS($"Uno.UI.WindowManager.current.setRootContent();");
if (FeatureConfiguration.FrameworkElement.WasmUseManagedLoadedUnloaded && _window.IsLoaded)
{
UIElement.RootElementUnloaded(_window);
}
}
}
private void InternalSetContent(UIElement content)
{
if (_rootVisual == null)
{
_rootBorder = new Border();
_rootScrollViewer = new ScrollViewer()
{
VerticalScrollBarVisibility = ScrollBarVisibility.Disabled,
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled,
VerticalScrollMode = ScrollMode.Disabled,
HorizontalScrollMode = ScrollMode.Disabled,
Content = _rootBorder
};
//TODO Uno: We can set and RootScrollViewer properly in case of WASM
CoreServices.Instance.PutVisualRoot(_rootScrollViewer);
_rootVisual = CoreServices.Instance.MainRootVisual;
if (_rootVisual == null)
{
throw new InvalidOperationException("The root visual could not be created.");
}
}
_rootBorder.Child = _content = content;
if (content != null)
{
if (FeatureConfiguration.FrameworkElement.WasmUseManagedLoadedUnloaded && !_rootVisual.IsLoaded)
{
UIElement.LoadingRootElement(_rootVisual);
}
WebAssemblyRuntime.InvokeJS($"Uno.UI.WindowManager.current.setRootContent({_rootVisual.HtmlId});");
if (FeatureConfiguration.FrameworkElement.WasmUseManagedLoadedUnloaded && !_rootVisual.IsLoaded)
{
UIElement.RootElementLoaded(_rootVisual);
}
}
else
{
WebAssemblyRuntime.InvokeJS($"Uno.UI.WindowManager.current.setRootContent();");
if (FeatureConfiguration.FrameworkElement.WasmUseManagedLoadedUnloaded && _rootVisual.IsLoaded)
{
UIElement.RootElementUnloaded(_rootVisual);
}
}
UpdateRootAttributes();
}
