third_party/WebKit/Source/core/html/LinkResource.cpp

/*
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#include "core/html/LinkResource.h"

#include "core/HTMLNames.h"
#include "core/dom/Document.h"
#include "core/html/HTMLLinkElement.h"
#include "core/html/imports/HTMLImportsController.h"

namespace blink {

using namespace HTMLNames;

LinkResource::LinkResource(HTMLLinkElement* owner) : m_owner(owner) {}

LinkResource::~LinkResource() {}

bool LinkResource::shouldLoadResource() const {
  return m_owner->document().frame() || m_owner->document().importsController();
}

LocalFrame* LinkResource::loadingFrame() const {
  HTMLImportsController* importsController =
      m_owner->document().importsController();
  if (!importsController)
    return m_owner->document().frame();
  return importsController->master()->frame();
}

DEFINE_TRACE(LinkResource) {
  visitor->trace(m_owner);
}

LinkRequestBuilder::LinkRequestBuilder(HTMLLinkElement* owner)
    : m_owner(owner), m_url(owner->getNonEmptyURLAttribute(hrefAttr)) {
  m_charset = m_owner->getAttribute(charsetAttr);
  if (m_charset.isEmpty() && m_owner->document().frame())
    m_charset = m_owner->document().characterSet();
}

FetchRequest LinkRequestBuilder::build(bool lowPriority) const {
  FetchRequest request(ResourceRequest(m_owner->document().completeURL(m_url)),
                       m_owner->localName(), m_charset);
  if (lowPriority)
    request.setDefer(FetchRequest::LazyLoad);
  request.setContentSecurityPolicyNonce(
      m_owner->fastGetAttribute(HTMLNames::nonceAttr));
  return request;
}

}  // namespace blink