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C++ LinkRelAttribute类代码示例

本文整理汇总了C++中LinkRelAttribute类的典型用法代码示例。如果您正苦于以下问题：C++ LinkRelAttribute类的具体用法？C++ LinkRelAttribute怎么用？C++ LinkRelAttribute使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了LinkRelAttribute类的9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;
}
开发者ID:joone，项目名称:blink-crosswalk，代码行数:35，代码来源:LinkLoader.cpp

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;
}
开发者ID:glenkim-dev，项目名称:blink-crosswalk，代码行数:35，代码来源:LinkLoader.cpp

示例3: prerenderRelTypesFromRelAttribute

static unsigned prerenderRelTypesFromRelAttribute(const LinkRelAttribute& relAttribute)
{
    unsigned result = 0;
    if (relAttribute.isLinkPrerender())
        result |= PrerenderRelTypePrerender;
    if (relAttribute.isLinkNext())
        result |= PrerenderRelTypeNext;

    return result;
}
开发者ID:joone，项目名称:blink-crosswalk，代码行数:10，代码来源:LinkLoader.cpp

示例4: prerenderRelTypesFromRelAttribute

static unsigned prerenderRelTypesFromRelAttribute(const LinkRelAttribute& relAttribute, Document& document)
{
    unsigned result = 0;
    if (relAttribute.isLinkPrerender()) {
        result |= PrerenderRelTypePrerender;
        UseCounter::count(document, UseCounter::LinkRelPrerender);
    }
    if (relAttribute.isLinkNext()) {
        result |= PrerenderRelTypeNext;
        UseCounter::count(document, UseCounter::LinkRelNext);
    }

    return result;
}
开发者ID:astojilj，项目名称:chromium-crosswalk，代码行数:14，代码来源:LinkLoader.cpp

示例5: preconnectIfNeeded

static void preconnectIfNeeded(const LinkRelAttribute& relAttribute, const KURL& href, Document& document)
{
    if (relAttribute.isPreconnect() && href.isValid()) {
        ASSERT(RuntimeEnabledFeatures::linkPreconnectEnabled());
        if (document.settings()->logDnsPrefetchAndPreconnect())
            document.addConsoleMessage(ConsoleMessage::create(OtherMessageSource, DebugMessageLevel, String("Preconnect triggered for " + href.host())));
        preconnect(href);
    }
}
开发者ID:kingysu，项目名称:blink-crosswalk，代码行数:9，代码来源:LinkLoader.cpp

示例6: dnsPrefetchIfNeeded

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());
        }
    }
}
开发者ID:joone，项目名称:blink-crosswalk，代码行数:13，代码来源:LinkLoader.cpp

示例7: preconnectIfNeeded

static void preconnectIfNeeded(const LinkRelAttribute& relAttribute, const KURL& href, Document& document, const CrossOriginAttributeValue crossOrigin)
{
    if (relAttribute.isPreconnect() && href.isValid()) {
        ASSERT(RuntimeEnabledFeatures::linkPreconnectEnabled());
        Settings* settings = document.settings();
        if (settings && settings->logDnsPrefetchAndPreconnect()) {
            document.addConsoleMessage(ConsoleMessage::create(OtherMessageSource, DebugMessageLevel, String("Preconnect triggered for " + href.host())));
            if (crossOrigin != CrossOriginAttributeNotSet) {
                document.addConsoleMessage(ConsoleMessage::create(OtherMessageSource, DebugMessageLevel,
                    String("Preconnect CORS setting is ") + String((crossOrigin == CrossOriginAttributeAnonymous) ? "anonymous" : "use-credentials")));
            }
        }
        preconnect(href, crossOrigin);
    }
}
开发者ID:joone，项目名称:blink-crosswalk，代码行数:15，代码来源:LinkLoader.cpp

示例8: 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;
}
开发者ID:endlessm，项目名称:chromium-browser，代码行数:46，代码来源:LinkLoader.cpp

示例9: preloadIfNeeded

void LinkLoader::preloadIfNeeded(const LinkRelAttribute& relAttribute, const KURL& href, Document& document, const String& as)
{
    if (relAttribute.isLinkPreload()) {
        ASSERT(RuntimeEnabledFeatures::linkPreloadEnabled());
        if (!href.isValid() || href.isEmpty()) {
            document.addConsoleMessage(ConsoleMessage::create(OtherMessageSource, WarningMessageLevel, String("<link rel=preload> has an invalid `href` value")));
            return;
        }
        Resource::Type type;
        if (!getTypeFromAsAttribute(as, type)) {
            document.addConsoleMessage(ConsoleMessage::create(OtherMessageSource, WarningMessageLevel, String("<link rel=preload> must have a valid `as` value")));
            return;
        }
        FetchRequest linkRequest(ResourceRequest(document.completeURL(href)), FetchInitiatorTypeNames::link);
        Settings* settings = document.settings();
        if (settings && settings->logPreload())
            document.addConsoleMessage(ConsoleMessage::create(OtherMessageSource, DebugMessageLevel, String("Preload triggered for " + href.host() + href.path())));
        setResource(document.fetcher()->fetchLinkPreloadResource(type, linkRequest));
    }
}
开发者ID:joone，项目名称:blink-crosswalk，代码行数:20，代码来源:LinkLoader.cpp


注：本文中的LinkRelAttribute类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。