public void RemoveChild(object child)
{
IHtmlRenderElement childElement = (IHtmlRenderElement)child;
if (child is IHtmlDeferredRenderElement)
{
((IHtmlDeferredRenderElement)child).HtmlElementCreated -= OnChildHtmlElementCreated;
}
if (IsLoaded)
{
childElement.Unload();
}
int childIndex = children.IndexOf(childElement);
if (childIndex == -1)
{
return;
}
children.RemoveAt(childIndex);
if (childElement.HtmlElement != null)
{
renderQueue.InvokeAsync(() => HtmlElement.RemoveChild(((HtmlRenderElement)child).HtmlElement));
}
else
{
deferredChildrenCount--;
}
}
public void InsertChild(int index, object child)
{
IHtmlRenderElement childElement = (IHtmlRenderElement)child;
if (child is IHtmlDeferredRenderElement)
{
((IHtmlDeferredRenderElement)child).HtmlElementCreated += OnChildHtmlElementCreated;
}
if (IsLoaded)
{
childElement.Load();
}
children.Insert(index, childElement);
if (childElement.HtmlElement != null)
{
if (index > lastDeferredChildIndex)
{
index = index - deferredChildrenCount;
}
else
{
lastDeferredChildIndex++;
index = children.Take(index).Count(c => c.HtmlElement != null);
}
renderQueue.InvokeAsync(() => HtmlElement.InsertChild(index, childElement.HtmlElement));
}
else
{
lastDeferredChildIndex = lastDeferredChildIndex.Max(index);
deferredChildrenCount++;
}
}
private void OnChildHtmlElementCreated(object sender, EventArgs e)
{
IHtmlRenderElement childElement = (IHtmlRenderElement)sender;
int index = children.IndexOf(childElement);
index = children.Take(index).Count(c => c.HtmlElement != null);
renderQueue.InvokeAsync(() => HtmlElement.InsertChild(index, childElement.HtmlElement));
deferredChildrenCount--;
}
public PresentationSource(UIElement rootElement, HtmlRenderElementFactory htmlRenderElementFactory, HtmlValueConverter converter, ImageElementContainer imageElementContainer, SvgDefinitionContainer svgDefinitionContainer)
{
this.RootElement = rootElement;
this.converter = converter;
RootElement.IsRootElement = true;
MouseDevice = new MouseDevice(this);
KeyboardDevice = new KeyboardDevice(this);
window = Bridge.Html5.Window.Instance;
MouseDevice.CursorChanged += (sender, e) => Bridge.Html5.Window.Document.Body.SetHtmlStyleProperty("cursor", converter.ToCursorString(MouseDevice.Cursor, htmlRenderElementFactory));
Bridge.Html5.Window.Document.Body.SetHtmlStyleProperty("cursor", converter.ToCursorString(MouseDevice.Cursor, htmlRenderElementFactory));
Bridge.Html5.Window.OnKeyDown = OnKeyDown;
Bridge.Html5.Window.OnKeyUp = OnKeyUp;
Bridge.Html5.Window.OnKeyPress = PreventKeyboardHandled;
Bridge.Html5.Window.OnMouseMove = OnMouseMove;
Bridge.Html5.Window.OnMouseDown = OnMouseDown;
Bridge.Html5.Window.OnMouseUp = OnMouseUp;
Bridge.Html5.Window.OnScroll = OnMouseWheel;
Bridge.Html5.Window.OnFocus = e => MouseDevice.Activate();
Bridge.Html5.Window.OnBlur = e => MouseDevice.Deactivate();
Bridge.Html5.Window.OnResize = e => SetRootElementSize();
Bridge.Html5.Window.OnClick = PreventMouseHandled;
Bridge.Html5.Window.OnContextMenu = PreventMouseHandled;
Bridge.Html5.Window.AddEventListener("ondblclick", PreventMouseHandled);
Bridge.Html5.Window.AddEventListener("wheel", OnMouseWheel);
SetRootElementSize();
((FrameworkElement)RootElement).Arrange(new Rect(window.InnerWidth, window.InnerHeight));
IHtmlRenderElement renderElement = ((IHtmlRenderElement)RootElement.GetRenderElement(htmlRenderElementFactory));
renderElement.Load();
Bridge.Html5.Window.Document.Body.Style.Overflow = Overflow.Hidden;
Bridge.Html5.Window.Document.Body.AppendChild(imageElementContainer.HtmlElement);
Bridge.Html5.Window.Document.Body.AppendChild(svgDefinitionContainer.HtmlElement);
Bridge.Html5.Window.Document.Body.AppendChild(renderElement.HtmlElement);
MouseDevice.Activate();
KeyboardDevice.Activate();
}
public PresentationSource(
UIElement rootElement,
HtmlRenderElementFactory htmlRenderElementFactory,
HtmlValueConverter converter,
ImageElementContainer imageElementContainer,
SvgDefinitionContainer svgDefinitionContainer)
{
// TODO: Set SynchronizationContext so that all messages get flushed when async callbacks get completed
this.RootElement = rootElement;
this.converter = converter;
RootElement.IsRootElement = true;
MouseDevice = new MouseDevice(this);
KeyboardDevice = new KeyboardDevice(this);
MouseDevice.CursorChanged += (sender, e) => Window.Body.SetHtmlStyleProperty("cursor", converter.ToCursorString(MouseDevice.Cursor, htmlRenderElementFactory));
Window.Body.SetHtmlStyleProperty("cursor", converter.ToCursorString(MouseDevice.Cursor, htmlRenderElementFactory));
Window.SetApplicationListener(this);
var dimensions = SetRootElementSize();
((FrameworkElement)RootElement).Arrange(new Rect(dimensions.width, dimensions.height));
IHtmlRenderElement renderElement = ((IHtmlRenderElement)RootElement.GetRenderElement(htmlRenderElementFactory));
renderElement.Load();
Window.Body.SetHtmlStyleProperty("overflow", "hidden");
Window.Body.AppendChild(imageElementContainer.HtmlElement);
Window.Body.AppendChild(svgDefinitionContainer.HtmlElement);
Window.Body.AppendChild(renderElement.HtmlElement);
MouseDevice.Activate();
KeyboardDevice.Activate();
}
