/// <summary>
/// Clear the content of the HTML container releasing any resources used to render previously existing content.
/// </summary>
public void Clear()
{
if (_root != null)
{
_root.Dispose();
_root = null;
if (_selectionHandler != null)
_selectionHandler.Dispose();
_selectionHandler = null;
if (_imageDownloader != null)
_imageDownloader.Dispose();
_imageDownloader = null;
_hoverBoxes = null;
}
}
/// <summary>
/// Init with optional document and stylesheet.
/// </summary>
/// <param name="htmlSource">the html to init with, init empty if not given</param>
/// <param name="baseCssData">optional: the stylesheet to init with, init default if not given</param>
public void SetHtml(string htmlSource, CssData baseCssData = null)
{
Clear();
if (!string.IsNullOrEmpty(htmlSource))
{
_loadComplete = false;
_cssData = baseCssData ?? _adapter.DefaultCssData;
DomParser parser = new DomParser(_cssParser);
_root = parser.GenerateCssTree(htmlSource, this, ref _cssData);
if (_root != null)
{
_selectionHandler = new SelectionHandler(_root);
_imageDownloader = new ImageDownloader();
}
}
}
/// <summary>
/// Init.
/// </summary>
/// <param name="selectionHandler">the selection handler linked to the context menu handler</param>
/// <param name="htmlContainer">the html container the handler is on</param>
public ContextMenuHandler(SelectionHandler selectionHandler, HtmlContainerInt htmlContainer)
{
ArgChecker.AssertArgNotNull(selectionHandler, "selectionHandler");
ArgChecker.AssertArgNotNull(htmlContainer, "htmlContainer");
_selectionHandler = selectionHandler;
_htmlContainer = htmlContainer;
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
private void Dispose(bool all)
{
try
{
if (all)
{
LinkClicked = null;
Refresh = null;
RenderError = null;
StylesheetLoad = null;
ImageLoad = null;
}
_cssData = null;
if (_root != null)
_root.Dispose();
_root = null;
if (_selectionHandler != null)
_selectionHandler.Dispose();
_selectionHandler = null;
}
catch
{ }
}
/// <summary>
/// Clear the content of the HTML container releasing any resources used to render previously existing content.
/// </summary>
public void Clear()
{
_hoverBoxes.Clear();
if (_root != null)
{
_root.Dispose();
_root = null;
if (_selectionHandler != null)
_selectionHandler.Dispose();
_selectionHandler = null;
}
}