void HTMLAnchorElement::parseAttribute(Attribute* attr)
{
if (attr->name() == hrefAttr) {
bool wasLink = isLink();
setIsLink(!attr->isNull());
if (wasLink != isLink())
setNeedsStyleRecalc();
if (isLink()) {
String parsedURL = stripLeadingAndTrailingHTMLSpaces(attr->value());
if (document()->isDNSPrefetchEnabled()) {
if (protocolIs(parsedURL, "http") || protocolIs(parsedURL, "https") || parsedURL.startsWith("//"))
prefetchDNS(document()->completeURL(parsedURL).host());
}
if (document()->page() && !document()->page()->javaScriptURLsAreAllowed() && protocolIsJavaScript(parsedURL)) {
clearIsLink();
// FIXME: This is horribly factored.
if (Attribute* hrefAttribute = getAttributeItem(hrefAttr))
hrefAttribute->setValue(nullAtom);
}
#ifdef ARTEMIS
else if(protocolIsJavaScript(parsedURL) && !hasEventListeners(eventNames().clickEvent)) {
// Don't set the onclick event handler if it already has one.
setAttributeEventListener(eventNames().clickEvent, createAttributeEventListener(this, attr));
}
#endif
}
invalidateCachedVisitedLinkHash();
} else if (attr->name() == nameAttr || attr->name() == titleAttr) {
// Do nothing.
} else if (attr->name() == relAttr)
setRel(attr->value());
else
HTMLElement::parseAttribute(attr);
}
void HTMLAnchorElement::parseAttribute(Attribute* attr)
{
if (attr->name() == hrefAttr) {
bool wasLink = isLink();
setIsLink(!attr->isNull());
if (wasLink != isLink())
setNeedsStyleRecalc();
if (isLink()) {
String parsedURL = stripLeadingAndTrailingHTMLSpaces(attr->value());
if (document()->isDNSPrefetchEnabled()) {
if (protocolIs(parsedURL, "http") || protocolIs(parsedURL, "https") || parsedURL.startsWith("//"))
prefetchDNS(document()->completeURL(parsedURL).host());
}
if (document()->page() && !document()->page()->javaScriptURLsAreAllowed() && protocolIsJavaScript(parsedURL)) {
clearIsLink();
attr->setValue(nullAtom);
}
}
invalidateCachedVisitedLinkHash();
} else if (attr->name() == nameAttr || attr->name() == titleAttr) {
// Do nothing.
} else if (attr->name() == relAttr)
setRel(attr->value());
else
HTMLElement::parseAttribute(attr);
}
void HTMLAnchorElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == hrefAttr) {
bool wasLink = isLink();
setIsLink(!value.isNull() && !shouldProhibitLinks(this));
if (wasLink != isLink())
setNeedsStyleRecalc();
if (isLink()) {
String parsedURL = stripLeadingAndTrailingHTMLSpaces(value);
if (document().isDNSPrefetchEnabled()) {
if (protocolIsInHTTPFamily(parsedURL) || parsedURL.startsWith("//"))
prefetchDNS(document().completeURL(parsedURL).host());
}
}
invalidateCachedVisitedLinkHash();
} else if (name == nameAttr || name == titleAttr) {
// Do nothing.
} else if (name == relAttr) {
if (SpaceSplitString::spaceSplitStringContainsValue(value, "noreferrer", true))
m_linkRelations |= RelationNoReferrer;
if (m_relList)
m_relList->updateRelAttribute(value);
}
else
HTMLElement::parseAttribute(name, value);
}
bool LinkLoader::loadLink(const LinkRelAttribute& relAttribute, const AtomicString& crossOriginMode, const String& type, const KURL& href, Document& document)
{
if (relAttribute.isDNSPrefetch()) {
Settings* settings = document.settings();
// FIXME: The href attribute of the link element can be in "//hostname" form, and we shouldn't attempt
// to complete that as URL <https://bugs.webkit.org/show_bug.cgi?id=48857>.
if (settings && settings->dnsPrefetchingEnabled() && href.isValid() && !href.isEmpty())
prefetchDNS(href.host());
}
// FIXME(crbug.com/323096): Should take care of import.
if ((relAttribute.isLinkPrefetch() || relAttribute.isLinkSubresource()) && href.isValid() && document.frame()) {
if (!m_client->shouldLoadLink())
return false;
Resource::Type type = relAttribute.isLinkSubresource() ? Resource::LinkSubresource : Resource::LinkPrefetch;
FetchRequest linkRequest(ResourceRequest(document.completeURL(href)), FetchInitiatorTypeNames::link);
if (!crossOriginMode.isNull())
linkRequest.setCrossOriginAccessControl(document.securityOrigin(), crossOriginMode);
setResource(document.fetcher()->fetchLinkResource(type, linkRequest));
}
if (const unsigned prerenderRelTypes = prerenderRelTypesFromRelAttribute(relAttribute)) {
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;
}
void ChromeClient::mouseDidMoveOverElement(const HitTestResult& result)
{
if (result.innerNode() && result.innerNode()->document().isDNSPrefetchEnabled())
prefetchDNS(result.absoluteLinkURL().host());
showMouseOverURL(result);
setToolTip(result);
}
static void dnsPrefetchIfNeeded(const LinkRelAttribute& relAttribute, const KURL& href, Document& document)
{
if (relAttribute.isDNSPrefetch()) {
Settings* settings = document.settings();
// FIXME: The href attribute of the link element can be in "//hostname" form, and we shouldn't attempt
// to complete that as URL <https://bugs.webkit.org/show_bug.cgi?id=48857>.
if (settings && settings->dnsPrefetchingEnabled() && href.isValid() && !href.isEmpty()) {
if (settings->logDnsPrefetchAndPreconnect())
document.addConsoleMessage(ConsoleMessage::create(OtherMessageSource, DebugMessageLevel, String("DNS prefetch triggered for " + href.host())));
prefetchDNS(href.host());
}
}
}
bool LinkLoader::loadLink(const LinkRelAttribute& relAttribute, const String& type,
const String& sizes, const KURL& href, Document* document)
{
// We'll record this URL per document, even if we later only use it in top level frames
if (relAttribute.m_iconType != InvalidIcon && href.isValid() && !href.isEmpty()) {
if (!m_client->shouldLoadLink())
return false;
document->addIconURL(href.string(), type, sizes, relAttribute.m_iconType);
}
if (relAttribute.m_isDNSPrefetch) {
Settings* settings = document->settings();
// FIXME: The href attribute of the link element can be in "//hostname" form, and we shouldn't attempt
// to complete that as URL <https://bugs.webkit.org/show_bug.cgi?id=48857>.
if (settings && settings->dnsPrefetchingEnabled() && href.isValid() && !href.isEmpty())
prefetchDNS(href.host());
}
#if ENABLE(LINK_PREFETCH)
if ((relAttribute.m_isLinkPrefetch || relAttribute.m_isLinkPrerender || relAttribute.m_isLinkSubresource) && href.isValid() && document->frame()) {
if (!m_client->shouldLoadLink())
return false;
ResourceLoadPriority priority = ResourceLoadPriorityUnresolved;
CachedResource::Type type = CachedResource::LinkPrefetch;
// We only make one request to the cachedresourcelodaer if multiple rel types are
// specified,
if (relAttribute.m_isLinkSubresource) {
priority = ResourceLoadPriorityLow;
type = CachedResource::LinkSubresource;
} else if (relAttribute.m_isLinkPrerender)
type = CachedResource::LinkPrerender;
ResourceRequest linkRequest(document->completeURL(href));
if (m_cachedLinkResource) {
m_cachedLinkResource->removeClient(this);
m_cachedLinkResource = 0;
}
m_cachedLinkResource = document->cachedResourceLoader()->requestLinkResource(type, linkRequest, priority);
if (m_cachedLinkResource)
m_cachedLinkResource->addClient(this);
}
#endif
return true;
}
void HTMLAnchorElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == hrefAttr) {
bool wasLink = isLink();
setIsLink(!value.isNull() && !shouldProhibitLinks(this));
if (wasLink != isLink())
didAffectSelector(AffectedSelectorLink | AffectedSelectorVisited | AffectedSelectorEnabled);
if (isLink()) {
String parsedURL = stripLeadingAndTrailingHTMLSpaces(value);
if (document().isDNSPrefetchEnabled()) {
if (protocolIsInHTTPFamily(parsedURL) || parsedURL.startsWith("//"))
prefetchDNS(document().completeURL(parsedURL).host());
}
}
invalidateCachedVisitedLinkHash();
} else if (name == nameAttr || name == titleAttr) {
// Do nothing.
} else if (name == relAttr)
setRel(value);
else
HTMLElement::parseAttribute(name, value);
}
void HTMLAnchorElement::parseAttribute(const Attribute& attribute)
{
if (attribute.name() == hrefAttr) {
bool wasLink = isLink();
setIsLink(!attribute.isNull());
if (wasLink != isLink())
setNeedsStyleRecalc();
if (isLink()) {
String parsedURL = stripLeadingAndTrailingHTMLSpaces(attribute.value());
if (document()->isDNSPrefetchEnabled()) {
if (protocolIs(parsedURL, "http") || protocolIs(parsedURL, "https") || parsedURL.startsWith("//"))
prefetchDNS(document()->completeURL(parsedURL).host());
}
}
invalidateCachedVisitedLinkHash();
} else if (attribute.name() == nameAttr || attribute.name() == titleAttr) {
// Do nothing.
} else if (attribute.name() == relAttr)
setRel(attribute.value());
else
HTMLElement::parseAttribute(attribute);
}
void HTMLAnchorElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == hrefAttr) {
bool wasLink = isLink();
setIsLink(!value.isNull());
if (wasLink != isLink()) {
setNeedsStyleRecalc();
invalidateParentDistributionIfNecessary(this, SelectRuleFeatureSet::RuleFeatureLink | SelectRuleFeatureSet::RuleFeatureVisited | SelectRuleFeatureSet::RuleFeatureEnabled);
}
if (isLink()) {
String parsedURL = stripLeadingAndTrailingHTMLSpaces(value);
if (document()->isDNSPrefetchEnabled()) {
if (protocolIs(parsedURL, "http") || protocolIs(parsedURL, "https") || parsedURL.startsWith("//"))
prefetchDNS(document()->completeURL(parsedURL).host());
}
}
invalidateCachedVisitedLinkHash();
} else if (name == nameAttr || name == titleAttr) {
// Do nothing.
} else if (name == relAttr)
setRel(value);
else
HTMLElement::parseAttribute(name, value);
}
void ResourceHandle::prepareForURL(const KURL& url)
{
return prefetchDNS(url.host());
}
