/// <summary>
/// Specific version optimized for a read-only Html document
/// </summary>
public ICssStyleDeclaration GetComputedStyleInReadOnlyDocument(IElement element, String pseudo = null)
{
if (styleRulesCache == null)
{
styleRulesCache = this.GetStyleCollection();
styleRulesCache.FreezeForReuse();
}
var pseudoElement = PseudoElement.Create(element, pseudo);
if (pseudoElement != null)
{
element = pseudoElement;
}
var computedStyle = new CssStyleDeclaration();
var elementStyle = this.ComputeCascadedStyleInReadOnlyDocument(styleRulesCache, element);
computedStyle.SetDeclarations(elementStyle.Declarations);
var ancestorElements = element.GetAncestors().OfType <IElement>();
foreach (var ancestorElement in ancestorElements)
{
var ancestorStyle = ComputeCascadedStyleInReadOnlyDocument(styleRulesCache, ancestorElement);
computedStyle.UpdateDeclarations(ancestorStyle.Declarations);
}
return(computedStyle);
}
/// <summary>
/// Creates a pseudo element for the current element.
/// </summary>
/// <param name="pseudoElement">
/// The element to create (e.g. ::after).
/// </param>
/// <returns>The created element or null, if not possible.</returns>
public IPseudoElement Pseudo(String pseudoElement)
{
return(PseudoElement.Create(this, pseudoElement));
}