unsigned long long PerformanceTiming::redirectEnd() const
{
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
if (timing->hasCrossOriginRedirect())
return 0;
return monotonicTimeToIntegerMilliseconds(timing->redirectEnd());
}
unsigned long long PerformanceTiming::unloadEventEnd() const {
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
if (timing->hasCrossOriginRedirect() ||
!timing->hasSameOriginAsPreviousDocument())
return 0;
return monotonicTimeToIntegerMilliseconds(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::unloadEventStart() const
{
DocumentLoadTiming* timing = documentLoadTiming();
if (!timing)
return 0;
if (timing->hasCrossOriginRedirect || !timing->hasSameOriginAsPreviousDocument)
return 0;
return toIntegerMilliseconds(timing->unloadEventStart);
}
unsigned long long PerformanceTiming::resourceLoadTimeRelativeToAbsolute(int relativeSeconds) const
{
ASSERT(relativeSeconds >= 0);
ResourceLoadTiming* resourceTiming = resourceLoadTiming();
ASSERT(resourceTiming);
DocumentLoadTiming* documentTiming = documentLoadTiming();
ASSERT(documentTiming);
// The ResourceLoadTiming API's requestTime is the base time to which all
// other marks are relative. So to get an absolute time, we must add it to
// the relative marks.
//
// Since ResourceLoadTimings came from the network platform layer, we must
// check them for skew because they may be from another thread/process.
double baseTime = getPossiblySkewedTimeInKnownRange(resourceTiming->requestTime, documentTiming->fetchStart, documentTiming->responseEnd);
return toIntegerMilliseconds(baseTime) + relativeSeconds;
}
