/// <summary>
/// Creates a new shadow root.
/// </summary>
internal ShadowRoot(Element host, ShadowRootMode mode)
: base(host.Owner, "#shadow-root", NodeType.DocumentFragment)
{
_host = host;
_styleSheets = this.CreateStyleSheets();
_mode = mode;
}
/// <summary>
/// Creates a new shadow root.
/// </summary>
internal ShadowRoot(Element host, ShadowRootMode mode)
: base(host.Owner, "#shadow-root", NodeType.DocumentFragment)
{
_host = host;
_styleSheets = this.CreateStyleSheets();
_mode = mode;
}
public IShadowRoot AttachShadow(ShadowRootMode mode = ShadowRootMode.Open)
{
if (TagNames.AllNoShadowRoot.Contains(_localName))
{
throw new DomException(DomError.NotSupported);
}
else if (ShadowRoot != null)
{
throw new DomException(DomError.InvalidState);
}
var root = new ShadowRoot(this, mode);
ShadowRoots.Add(this, root);
return(root);
}
public IShadowRoot AttachShadow(ShadowRootMode mode = ShadowRootMode.Open)
{
return(_host.AttachShadow(mode));
}
public IShadowRoot AttachShadow(ShadowRootMode mode = ShadowRootMode.Open)
{
throw new NotImplementedException();
}
public IShadowRoot AttachShadow(ShadowRootMode mode = ShadowRootMode.Open)
{
return _host.AttachShadow(mode);
}
/// <summary>
/// Creates a new shadow root for the current element, if there is none
/// already.
/// </summary>
/// <param name="mode">The mode of the shadow root.</param>
/// <returns>The new shadow root.</returns>
public IShadowRoot AttachShadow(ShadowRootMode mode = ShadowRootMode.Open)
{
if (Tags.AllNoShadowRoot.Contains(_localName))
throw new DomException(DomError.NotSupported);
else if (ShadowRoot != null)
throw new DomException(DomError.InvalidState);
var root = new ShadowRoot(this, mode);
shadowRoots.Add(this, root);
return root;
}
public IShadowRoot AttachShadow(ShadowRootMode mode = ShadowRootMode.Open)
{
return(null);
}
