/// <summary>
/// Any setting that is derived from the homepage html needs to be in this function. This function is turned
/// on and off when detecting blog settings through the IncludeHomePageSettings. None of these checks will be run
/// if the internet is not active. As each check is made, it does not need to be applied back the _content until the end
/// at which time it will write the settings back to the registry.
/// </summary>
private void DetectHomePageSettings()
{
if (_homepageAccessor.HtmlDocument == null)
{
return;
}
IDictionary homepageSettings = new Hashtable();
Debug.Assert(!UseManifestCache, "This code will not run correctly under the manifest cache, due to option overrides not being set");
LightWeightHTMLMetaData metaData = new LightWeightHTMLMetaData(_homepageAccessor.HtmlDocument);
if (metaData.Charset != null)
{
try
{
homepageSettings.Add(BlogClientOptions.CHARACTER_SET, metaData.Charset);
}
catch (NotSupportedException)
{
//not an actual encoding
}
}
string docType = new LightWeightHTMLMetaData(_homepageAccessor.HtmlDocument).DocType;
if (docType != null)
{
bool xhtml = docType.IndexOf("xhtml", StringComparison.OrdinalIgnoreCase) >= 0;
if (xhtml)
{
homepageSettings.Add(BlogClientOptions.REQUIRES_XHTML, true.ToString(CultureInfo.InvariantCulture));
}
}
//checking whether blog is rtl
HtmlExtractor extractor = new HtmlExtractor(_homepageAccessor.HtmlDocument.RawHtml);
if (extractor.Seek(new OrPredicate(
new SmartPredicate("<html dir>"),
new SmartPredicate("<body dir>"))).Success)
{
BeginTag tag = (BeginTag)extractor.Element;
string dir = tag.GetAttributeValue("dir");
if (String.Compare(dir, "rtl", StringComparison.OrdinalIgnoreCase) == 0)
{
homepageSettings.Add(BlogClientOptions.TEMPLATE_IS_RTL, true.ToString(CultureInfo.InvariantCulture));
}
}
if (_homepageAccessor.HtmlDocument != null)
{
string html = _homepageAccessor.OriginalHtml;
ImageViewer viewer = DhtmlImageViewers.DetectImageViewer(html, _context.HomepageUrl);
if (viewer != null)
{
homepageSettings.Add(BlogClientOptions.DHTML_IMAGE_VIEWER, viewer.Name);
}
}
_context.HomePageOverrides = homepageSettings;
}
