本文整理汇总了C++中LinkRelAttribute::isLinkPrefetch方法的典型用法代码示例。如果您正苦于以下问题：C++ LinkRelAttribute::isLinkPrefetch方法的具体用法？C++ LinkRelAttribute::isLinkPrefetch怎么用？C++ LinkRelAttribute::isLinkPrefetch使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LinkRelAttribute的用法示例。
在下文中一共展示了LinkRelAttribute::isLinkPrefetch方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: loadLink
bool LinkLoader::loadLink(const LinkRelAttribute& relAttribute, const AtomicString& crossOriginMode, const String& type, const String& as, const KURL& href, Document& document)
{
// TODO(yoav): Convert all uses of the CrossOriginAttribute to CrossOriginAttributeValue. crbug.com/486689
// FIXME(crbug.com/463266): We're ignoring type here. Maybe we shouldn't.
dnsPrefetchIfNeeded(relAttribute, href, document);
preconnectIfNeeded(relAttribute, href, document, crossOriginAttributeValue(crossOriginMode));
preloadIfNeeded(relAttribute, href, document, as);
// FIXME(crbug.com/323096): Should take care of import.
if ((relAttribute.isLinkPrefetch() || relAttribute.isLinkSubresource() || relAttribute.isTransitionExitingStylesheet()) && 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;
}示例2: loadLink
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;
}示例3: loadLink
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;
}