ResourceTimingInformation.cpp [plain text]
#include "config.h"
#include "ResourceTimingInformation.h"
#include "CachedResource.h"
#include "DOMWindow.h"
#include "Document.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "HTMLFrameOwnerElement.h"
#include "LoadTiming.h"
#include "Performance.h"
#include "ResourceTiming.h"
#include "RuntimeEnabledFeatures.h"
namespace WebCore {
bool ResourceTimingInformation::shouldAddResourceTiming(CachedResource& resource)
{
if (!resource.resourceRequest().url().protocolIsInHTTPFamily())
return false;
if (resource.errorOccurred())
return false;
if (resource.wasCanceled())
return false;
if (resource.options().loadedFromOpaqueSource == LoadedFromOpaqueSource::Yes)
return false;
return true;
}
void ResourceTimingInformation::addResourceTiming(CachedResource& resource, Document& document, ResourceTiming&& resourceTiming)
{
ASSERT(RuntimeEnabledFeatures::sharedFeatures().resourceTimingEnabled());
if (!ResourceTimingInformation::shouldAddResourceTiming(resource))
return;
auto iterator = m_initiatorMap.find(&resource);
if (iterator == m_initiatorMap.end())
return;
InitiatorInfo& info = iterator->value;
if (info.added == Added)
return;
Document* initiatorDocument = &document;
if (resource.type() == CachedResource::Type::MainResource && document.frame() && document.frame()->loader().shouldReportResourceTimingToParentFrame())
initiatorDocument = document.parentDocument();
if (!initiatorDocument)
return;
auto* initiatorWindow = initiatorDocument->domWindow();
if (!initiatorWindow)
return;
resourceTiming.overrideInitiatorName(info.name);
initiatorWindow->performance().addResourceTiming(WTFMove(resourceTiming));
info.added = Added;
}
void ResourceTimingInformation::storeResourceTimingInitiatorInformation(const CachedResourceHandle<CachedResource>& resource, const AtomString& initiatorName, Frame* frame)
{
ASSERT(RuntimeEnabledFeatures::sharedFeatures().resourceTimingEnabled());
ASSERT(resource.get());
if (resource->type() == CachedResource::Type::MainResource) {
ASSERT(frame);
if (frame->ownerElement()) {
InitiatorInfo info = { frame->ownerElement()->localName(), NotYetAdded };
m_initiatorMap.add(resource.get(), info);
}
} else {
InitiatorInfo info = { initiatorName, NotYetAdded };
m_initiatorMap.add(resource.get(), info);
}
}
}