Maybe<nsStyleLinkElement::SheetInfo> SVGStyleElement::GetStyleSheetInfo() {
if (!IsCSSMimeTypeAttribute(*this)) {
return Nothing();
}
nsAutoString title;
nsAutoString media;
GetTitleAndMediaForElement(*this, title, media);
return Some(SheetInfo{
*OwnerDoc(),
this,
nullptr,
// FIXME(bug 1459822): Why doesn't this need a principal, but
// HTMLStyleElement does?
nullptr,
net::ReferrerPolicy::RP_Unset,
// FIXME(bug 1459822): Why does this need a crossorigin attribute, but
// HTMLStyleElement doesn't?
AttrValueToCORSMode(GetParsedAttr(nsGkAtoms::crossorigin)),
title,
media,
HasAlternateRel::No,
IsInline::Yes,
});
}
Maybe<nsStyleLinkElement::SheetInfo> HTMLLinkElement::GetStyleSheetInfo() {
nsAutoString rel;
GetAttr(kNameSpaceID_None, nsGkAtoms::rel, rel);
uint32_t linkTypes = nsStyleLinkElement::ParseLinkTypes(rel);
if (!(linkTypes & nsStyleLinkElement::eSTYLESHEET)) {
return Nothing();
}
if (!IsCSSMimeTypeAttribute(*this)) {
return Nothing();
}
nsAutoString title;
nsAutoString media;
GetTitleAndMediaForElement(*this, title, media);
bool alternate = linkTypes & nsStyleLinkElement::eALTERNATE;
if (alternate && title.IsEmpty()) {
// alternates must have title.
return Nothing();
}
nsAutoString href;
GetAttr(kNameSpaceID_None, nsGkAtoms::href, href);
if (href.IsEmpty()) {
return Nothing();
}
nsCOMPtr<nsIURI> uri = Link::GetURI();
nsCOMPtr<nsIPrincipal> prin = mTriggeringPrincipal;
return Some(SheetInfo{
*OwnerDoc(),
this,
uri.forget(),
prin.forget(),
GetReferrerPolicyAsEnum(),
GetCORSMode(),
title,
media,
alternate ? HasAlternateRel::Yes : HasAlternateRel::No,
IsInline::No,
});
}