/// <summary>Called when this element got removed from the DOM.</summary>
internal override void RemovedFromDOM()
{
Css.ReflowDocument reflowDocument = document as Css.ReflowDocument;
if (reflowDocument.AttributeIndex != null)
{
// Remove this from the DOM attribute cache:
reflowDocument.RemoveCachedElement(this);
}
// Remove handler:
// OnRemovedFromDOM();
// Let the style know we went offscreen:
RenderableData renderable = RenderData;
renderable.WentOffScreen();
// Apply to all virtual elements:
VirtualElements virts = renderable.Virtuals;
if (virts != null)
{
foreach (KeyValuePair <int, Node> kvp in virts.Elements)
{
// Remove it:
kvp.Value.RemovedFromDOM();
}
}
base.RemovedFromDOM();
// Request a layout:
reflowDocument.RequestLayout();
}
public override ApplyState Apply(ComputedStyle style, Value value)
{
// Request a shortform redraw:
style.RequestFastLayout();
// Grab the virtual elements:
VirtualElements virts = style.RenderData.Virtuals;
// Update them:
if (virts != null)
{
// H:
HtmlScrollbarElement scroll = virts.Get(ComputedStyle.HorizontalScrollPriority) as HtmlScrollbarElement;
if (scroll != null)
{
scroll.ElementScrolled();
}
// V:
scroll = virts.Get(ComputedStyle.VerticalScrollPriority) as HtmlScrollbarElement;
if (scroll != null)
{
scroll.ElementScrolled();
}
}
// Ok!
return(ApplyState.Ok);
}
/// <summary>Called when this element goes offscreen.</summary>
public void WentOffScreen()
{
RenderableData renderable = RenderData;
renderable.WentOffScreen();
// Apply to all virtual elements:
VirtualElements virts = renderable.Virtuals;
if (virts != null)
{
foreach (KeyValuePair <int, Node> kvp in virts.Elements)
{
// Tell it that it's gone offscreen:
IRenderableNode irn = (kvp.Value as IRenderableNode);
if (irn != null)
{
irn.WentOffScreen();
}
}
}
if (childNodes_ != null)
{
for (int i = 0; i < childNodes_.length; i++)
{
// Get as a HTML node:
IRenderableNode htmlNode = (childNodes_[i] as IRenderableNode);
if (htmlNode == null)
{
return;
}
// Call offscreen:
htmlNode.WentOffScreen();
}
}
}