bool LinkLoader::loadLink(const LinkRelAttribute& relAttribute,
CrossOriginAttributeValue crossOrigin,
const String& type,
const String& as,
const String& media,
ReferrerPolicy referrerPolicy,
const KURL& href,
Document& document,
const NetworkHintsInterface& networkHintsInterface) {
if (!m_client->shouldLoadLink())
return false;
dnsPrefetchIfNeeded(relAttribute, href, document, networkHintsInterface,
LinkCalledFromMarkup);
preconnectIfNeeded(relAttribute, href, document, crossOrigin,
networkHintsInterface, LinkCalledFromMarkup);
bool errorOccurred = false;
createLinkPreloadResourceClient(preloadIfNeeded(
relAttribute, href, document, as, type, media, crossOrigin,
LinkCalledFromMarkup, errorOccurred, nullptr, referrerPolicy));
if (errorOccurred)
m_linkLoadingErrorTimer.startOneShot(0, BLINK_FROM_HERE);
if (href.isEmpty() || !href.isValid())
released();
prefetchIfNeeded(document, href, relAttribute, crossOrigin, referrerPolicy);
if (const unsigned prerenderRelTypes =
prerenderRelTypesFromRelAttribute(relAttribute, document)) {
if (!m_prerender) {
m_prerender =
PrerenderHandle::create(document, this, href, prerenderRelTypes);
} else if (m_prerender->url() != href) {
m_prerender->cancel();
m_prerender =
PrerenderHandle::create(document, this, href, prerenderRelTypes);
}
// TODO(gavinp): Handle changes to rel types of existing prerenders.
} else if (m_prerender) {
m_prerender->cancel();
m_prerender.clear();
}
return true;
}
bool LinkLoader::loadLink(const LinkRelAttribute& relAttribute, CrossOriginAttributeValue crossOrigin, const String& type,
const String& as, const String& media, const KURL& href, Document& document, const NetworkHintsInterface& networkHintsInterface)
{
// TODO(yoav): Do all links need to load only after they're in document???
// TODO(yoav): Convert all uses of the CrossOriginAttribute to CrossOriginAttributeValue. crbug.com/486689
// FIXME(crbug.com/463266): We're ignoring type here, for everything but preload. Maybe we shouldn't.
dnsPrefetchIfNeeded(relAttribute, href, document, networkHintsInterface, LinkCalledFromMarkup);
preconnectIfNeeded(relAttribute, href, document, crossOrigin, networkHintsInterface, LinkCalledFromMarkup);
bool errorOccurred = false;
if (m_client->shouldLoadLink())
createLinkPreloadResourceClient(preloadIfNeeded(relAttribute, href, document, as, type, media, crossOrigin, LinkCalledFromMarkup, errorOccurred, nullptr));
if (errorOccurred)
m_linkLoadingErrorTimer.startOneShot(0, BLINK_FROM_HERE);
if (href.isEmpty() || !href.isValid())
released();
// FIXME(crbug.com/323096): Should take care of import.
if (relAttribute.isLinkPrefetch() && href.isValid() && document.frame()) {
if (!m_client->shouldLoadLink())
return false;
UseCounter::count(document, UseCounter::LinkRelPrefetch);
FetchRequest linkRequest(ResourceRequest(document.completeURL(href)), FetchInitiatorTypeNames::link);
if (crossOrigin != CrossOriginAttributeNotSet)
linkRequest.setCrossOriginAccessControl(document.getSecurityOrigin(), crossOrigin);
setResource(LinkFetchResource::fetch(Resource::LinkPrefetch, linkRequest, document.fetcher()));
}
if (const unsigned prerenderRelTypes = prerenderRelTypesFromRelAttribute(relAttribute, document)) {
if (!m_prerender) {
m_prerender = PrerenderHandle::create(document, this, href, prerenderRelTypes);
} else if (m_prerender->url() != href) {
m_prerender->cancel();
m_prerender = PrerenderHandle::create(document, this, href, prerenderRelTypes);
}
// TODO(gavinp): Handle changes to rel types of existing prerenders.
} else if (m_prerender) {
m_prerender->cancel();
m_prerender.clear();
}
return true;
}
