private LinkEntry CreateLinkEntry(ResultExecutingContext context, string href, string rel, string sizes = null, string type = null, string colour = null)
{
var entry = new LinkEntry {
Href = $"{context.HttpContext.Request.PathBase}/{href}", Rel = rel
};
if (!string.IsNullOrWhiteSpace(type))
{
entry.Type = type;
}
if (!string.IsNullOrWhiteSpace(sizes))
{
entry.AddAttribute("sizes", sizes);
}
if (!string.IsNullOrWhiteSpace(colour))
{
entry.AddAttribute("color", colour);
}
return(entry);
}
public void Displaying(ShapeDisplayingContext context)
{
if (!IsMobileDevice())
{
return;
}
var shapeMetadata = context.ShapeMetadata;
if (shapeMetadata.Type != "HeadLinks" && shapeMetadata.Type != "Metas")
{
return;
}
var workContext = _workContextAccessor.GetContext(_httpContextAccessor.Current());
var resourceManager = workContext.Resolve <IResourceManager>();
if (shapeMetadata.Type == "HeadLinks")
{
// <link rel="alternate" type="text/html" media="handheld" href="" />
var handheldLink = new LinkEntry
{
Type = "text/html",
Rel = "alternate",
Href = ""
};
handheldLink.AddAttribute("media", "handheld");
resourceManager.RegisterLink(handheldLink);
// Set the transcoding protection http response headers
workContext.HttpContext.Response.Cache.SetNoTransforms();
workContext.HttpContext.Response.AppendHeader("Vary", "User-Agent");
}
else if (shapeMetadata.Type == "Metas")
{
resourceManager.SetMeta(new MetaEntry
{
// HACK: Orchard doesn't allow metas without a name.
Name = "no-transform",
HttpEquiv = "Cache-control",
Content = "no-transform"
});
}
}
