private DrawableNode PrecalculateMeasures(CoreUIDomNode node, DrawableNode closestBlockParent)
{
var drawable = new DrawableNode {
OriginalNode = node,
ClosestBlockParent = closestBlockParent,
};
var nodeAsElement = node as CoreUIDomElement;
var childrensClosestBlockParent = closestBlockParent;
if (nodeAsElement != null)
{
drawable.Style = new Style(nodeAsElement.Style);
if (nodeAsElement.Style.Display == DisplayStyle.Block)
{
childrensClosestBlockParent = drawable;
}
}
// Do the pre-calculation here.
var children = node.Children.Where(child =>
{
var element = child as CoreUIDomElement;
return(element == null || element.Style.Display != DisplayStyle.None);
}).Select(child => PrecalculateMeasures(child, childrensClosestBlockParent));
foreach (var child in children)
{
drawable.Add(child);
}
return(drawable);
}
public DrawableNode Add(DrawableNode node)
{
if (node == this)
{
throw new InvalidOperationException("Adding a node to itself can cause infinite recursion!");
}
node.Parent = this;
_children.Add(node);
return(this);
}
internal DrawableNode CalculateDrawableDom(CoreUIDomDocument document)
{
var documentNode = new DrawableNode
{
PartialDrawBox = new PartialDrawBox(document.DrawBox),
OriginalNode = document,
};
var drawableNode = PrecalculateMeasures(document.Body, documentNode);
drawableNode = CompleteMeasures(drawableNode);
drawableNode = CalculatePositions(drawableNode);
drawableNode = Reflow(drawableNode);
return(drawableNode);
}
private DrawableNode Reflow(DrawableNode drawableTree)
{
throw new NotImplementedException();
}
private DrawableNode CalculatePositions(DrawableNode drawableTree)
{
throw new NotImplementedException();
}
private DrawableNode CompleteMeasures(DrawableNode drawableTree)
{
throw new NotImplementedException();
}