PerformanceTiming.cpp [plain text]
#include "config.h"
#include "PerformanceTiming.h"
#if ENABLE(WEB_TIMING)
#include "Document.h"
#include "DocumentLoadTiming.h"
#include "DocumentLoader.h"
#include "DocumentTiming.h"
#include "Frame.h"
#include "ResourceLoadTiming.h"
#include "ResourceResponse.h"
#include <wtf/CurrentTime.h>
namespace WebCore {
static unsigned long long toIntegerMilliseconds(double seconds)
{
ASSERT(seconds >= 0);
return static_cast<unsigned long long>(seconds * 1000.0);
}
PerformanceTiming::PerformanceTiming(Frame* frame)
: DOMWindowProperty(frame)
{
}
unsigned long long PerformanceTiming::navigationStart() const
{
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
return toIntegerMilliseconds(timing->navigationStart());
}
unsigned long long PerformanceTiming::unloadEventStart() const
{
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
if (timing->hasCrossOriginRedirect() || !timing->hasSameOriginAsPreviousDocument())
return 0;
return toIntegerMilliseconds(timing->unloadEventStart());
}
unsigned long long PerformanceTiming::unloadEventEnd() const
{
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
if (timing->hasCrossOriginRedirect() || !timing->hasSameOriginAsPreviousDocument())
return 0;
return toIntegerMilliseconds(timing->unloadEventEnd());
}
unsigned long long PerformanceTiming::redirectStart() const
{
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
if (timing->hasCrossOriginRedirect())
return 0;
return toIntegerMilliseconds(timing->redirectStart());
}
unsigned long long PerformanceTiming::redirectEnd() const
{
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
if (timing->hasCrossOriginRedirect())
return 0;
return toIntegerMilliseconds(timing->redirectEnd());
}
unsigned long long PerformanceTiming::fetchStart() const
{
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
return toIntegerMilliseconds(timing->fetchStart());
}
unsigned long long PerformanceTiming::domainLookupStart() const
{
ResourceLoadTiming* timing = resourceLoadTiming();
if (!timing)
return fetchStart();
int dnsStart = timing->dnsStart;
if (dnsStart < 0)
return fetchStart();
return resourceLoadTimeRelativeToAbsolute(dnsStart);
}
unsigned long long PerformanceTiming::domainLookupEnd() const
{
ResourceLoadTiming* timing = resourceLoadTiming();
if (!timing)
return domainLookupStart();
int dnsEnd = timing->dnsEnd;
if (dnsEnd < 0)
return domainLookupStart();
return resourceLoadTimeRelativeToAbsolute(dnsEnd);
}
unsigned long long PerformanceTiming::connectStart() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return domainLookupEnd();
ResourceLoadTiming* timing = loader->response().resourceLoadTiming();
if (!timing)
return domainLookupEnd();
int connectStart = timing->connectStart;
if (connectStart < 0 || loader->response().connectionReused())
return domainLookupEnd();
if (timing->dnsEnd >= 0 && timing->dnsEnd > connectStart)
connectStart = timing->dnsEnd;
return resourceLoadTimeRelativeToAbsolute(connectStart);
}
unsigned long long PerformanceTiming::connectEnd() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return connectStart();
ResourceLoadTiming* timing = loader->response().resourceLoadTiming();
if (!timing)
return connectStart();
int connectEnd = timing->connectEnd;
if (connectEnd < 0 || loader->response().connectionReused())
return connectStart();
return resourceLoadTimeRelativeToAbsolute(connectEnd);
}
unsigned long long PerformanceTiming::secureConnectionStart() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return 0;
ResourceLoadTiming* timing = loader->response().resourceLoadTiming();
if (!timing)
return 0;
int sslStart = timing->sslStart;
if (sslStart < 0)
return 0;
return resourceLoadTimeRelativeToAbsolute(sslStart);
}
unsigned long long PerformanceTiming::requestStart() const
{
ResourceLoadTiming* timing = resourceLoadTiming();
if (!timing)
return connectEnd();
ASSERT(timing->sendStart >= 0);
return resourceLoadTimeRelativeToAbsolute(timing->sendStart);
}
unsigned long long PerformanceTiming::responseStart() const
{
ResourceLoadTiming* timing = resourceLoadTiming();
if (!timing)
return requestStart();
ASSERT(timing->receiveHeadersEnd >= 0);
return resourceLoadTimeRelativeToAbsolute(timing->receiveHeadersEnd);
}
unsigned long long PerformanceTiming::responseEnd() const
{
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
return toIntegerMilliseconds(timing->responseEnd());
}
unsigned long long PerformanceTiming::domLoading() const
{
const DocumentTiming* timing = documentTiming();
if (!timing)
return fetchStart();
return monotonicTimeToIntegerMilliseconds(timing->domLoading);
}
unsigned long long PerformanceTiming::domInteractive() const
{
const DocumentTiming* timing = documentTiming();
if (!timing)
return 0;
return monotonicTimeToIntegerMilliseconds(timing->domInteractive);
}
unsigned long long PerformanceTiming::domContentLoadedEventStart() const
{
const DocumentTiming* timing = documentTiming();
if (!timing)
return 0;
return monotonicTimeToIntegerMilliseconds(timing->domContentLoadedEventStart);
}
unsigned long long PerformanceTiming::domContentLoadedEventEnd() const
{
const DocumentTiming* timing = documentTiming();
if (!timing)
return 0;
return monotonicTimeToIntegerMilliseconds(timing->domContentLoadedEventEnd);
}
unsigned long long PerformanceTiming::domComplete() const
{
const DocumentTiming* timing = documentTiming();
if (!timing)
return 0;
return monotonicTimeToIntegerMilliseconds(timing->domComplete);
}
unsigned long long PerformanceTiming::loadEventStart() const
{
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
return toIntegerMilliseconds(timing->loadEventStart());
}
unsigned long long PerformanceTiming::loadEventEnd() const
{
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
return toIntegerMilliseconds(timing->loadEventEnd());
}
DocumentLoader* PerformanceTiming::documentLoader() const
{
if (!m_frame)
return 0;
return m_frame->loader()->documentLoader();
}
const DocumentTiming* PerformanceTiming::documentTiming() const
{
if (!m_frame)
return 0;
Document* document = m_frame->document();
if (!document)
return 0;
return document->timing();
}
DocumentLoadTiming* PerformanceTiming::documentLoadTiming() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return 0;
return loader->timing();
}
ResourceLoadTiming* PerformanceTiming::resourceLoadTiming() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return 0;
return loader->response().resourceLoadTiming();
}
unsigned long long PerformanceTiming::resourceLoadTimeRelativeToAbsolute(int relativeMilliseconds) const
{
ASSERT(relativeMilliseconds >= 0);
ResourceLoadTiming* resourceTiming = resourceLoadTiming();
ASSERT(resourceTiming);
return toIntegerMilliseconds(resourceTiming->convertResourceLoadTimeToDocumentTime(documentLoadTiming(), relativeMilliseconds));
}
unsigned long long PerformanceTiming::monotonicTimeToIntegerMilliseconds(double monotonicSeconds) const
{
ASSERT(monotonicSeconds >= 0);
const DocumentLoadTiming* timing = documentLoadTiming();
ASSERT(timing);
return toIntegerMilliseconds(timing->convertMonotonicTimeToDocumentTime(monotonicSeconds));
}
}
#endif // ENABLE(WEB_TIMING)