/// <summary>
/// Dereferences a child element (use when removing any child).
/// </summary>
/// <param name="node">The node to be removed.</param>
internal override void DereferenceNode(Node node)
{
base.DereferenceNode(node);
if (node is Element)
{
if (node is HTMLFormElement)
{
var form = (HTMLFormElement)node;
_forms.Remove(form);
}
else if (node is HTMLImageElement)
{
var img = (HTMLImageElement)node;
_images.Remove(img);
}
else if (node is HTMLScriptElement)
{
var script = (HTMLScriptElement)node;
_scripts.Remove(script);
}
else if (_body == node)
{
_body = FindChild <HTMLBodyElement>(_documentElement);
}
else if (_head == node)
{
_head = FindChild <HTMLHeadElement>(_documentElement);
}
else if (_title == node)
{
_title = FindChild <HTMLTitleElement>(_head);
}
}
}
/// <summary>
/// References a child element (use when adding any child).
/// </summary>
/// <param name="node">The node to be added.</param>
internal override void ReferenceNode(Node node)
{
base.ReferenceNode(node);
if (node is Element)
{
if (node is HTMLFormElement)
{
var form = (HTMLFormElement)node;
_forms.Add(form);
}
else if (node is HTMLImageElement)
{
var img = (HTMLImageElement)node;
_images.Add(img);
}
else if (node is HTMLScriptElement)
{
var script = (HTMLScriptElement)node;
_scripts.Add(script);
}
else if (_body == null && node is HTMLBodyElement)
{
_body = (HTMLBodyElement)node;
}
else if (_head == null && node is HTMLHeadElement)
{
_head = (HTMLHeadElement)node;
}
else if (_title == null && node is HTMLTitleElement)
{
_title = (HTMLTitleElement)node;
}
}
}
/// <summary>
/// References a child element (use when adding any child).
/// </summary>
/// <param name="node">The node to be added.</param>
internal override void ReferenceNode(Node node)
{
base.ReferenceNode(node);
if (node is Element)
{
if (node is HTMLFormElement)
{
var form = (HTMLFormElement)node;
forms.Add(form);
}
else if (node is HTMLImageElement)
{
var img = (HTMLImageElement)node;
images.Add(img);
}
else if (node is HTMLScriptElement)
{
var script = (HTMLScriptElement)node;
scripts.Add(script);
}
else if (body == null && node is HTMLBodyElement)
{
body = (HTMLBodyElement)node;
}
else if (head == null && node is HTMLHeadElement)
{
head = (HTMLHeadElement)node;
}
else if (title == null && node is HTMLTitleElement)
{
title = (HTMLTitleElement)node;
}
}
}
/// <summary>
/// Dereferences a child element (use when removing any child).
/// </summary>
/// <param name="node">The node to be removed.</param>
internal override void DereferenceNode(Node node)
{
base.DereferenceNode(node);
if (node is Element)
{
if (node is HTMLFormElement)
{
var form = (HTMLFormElement)node;
forms.Remove(form);
}
else if (node is HTMLImageElement)
{
var img = (HTMLImageElement)node;
images.Remove(img);
}
else if (node is HTMLScriptElement)
{
var script = (HTMLScriptElement)node;
scripts.Remove(script);
}
else if (body == node)
{
body = FindChild<HTMLBodyElement>(documentElement);
}
else if (head == node)
{
head = FindChild<HTMLHeadElement>(documentElement);
}
else if (title == node)
{
title = FindChild<HTMLTitleElement>(head);
}
}
}
