private bool ValidateSubTree(VisualElement root)
{
if (root.renderData.lastLayout != new Rect(root.cssNode.LayoutX, root.cssNode.LayoutY, root.cssNode.LayoutWidth, root.cssNode.LayoutHeight))
{
root.Dirty(ChangeType.Transform);
root.renderData.lastLayout = new Rect(root.cssNode.LayoutX, root.cssNode.LayoutY, root.cssNode.LayoutWidth, root.cssNode.LayoutHeight);
}
bool flag = root.cssNode.HasNewLayout;
if (flag)
{
VisualContainer visualContainer = root as VisualContainer;
if (visualContainer != null)
{
foreach (VisualElement current in visualContainer)
{
flag |= this.ValidateSubTree(current);
}
}
}
root.OnPostLayout(flag);
root.ClearDirty(ChangeType.Layout);
root.cssNode.MarkLayoutSeen();
return(flag);
}