PerformanceTiming.cpp [plain text]
#include "config.h"
#include "PerformanceTiming.h"
#include "Document.h"
#include "DocumentLoader.h"
#include "DocumentTiming.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "LoadTiming.h"
#include "NetworkLoadMetrics.h"
#include "Performance.h"
#include "ResourceResponse.h"
namespace WebCore {
PerformanceTiming::PerformanceTiming(DOMWindow* window)
: DOMWindowProperty(window)
{
}
unsigned long long PerformanceTiming::navigationStart() const
{
LoadTiming* timing = loadTiming();
if (!timing)
return 0;
return monotonicTimeToIntegerMilliseconds(timing->startTime());
}
unsigned long long PerformanceTiming::unloadEventStart() const
{
LoadTiming* timing = loadTiming();
if (!timing)
return 0;
if (timing->hasCrossOriginRedirect() || !timing->hasSameOriginAsPreviousDocument())
return 0;
return monotonicTimeToIntegerMilliseconds(timing->unloadEventStart());
}
unsigned long long PerformanceTiming::unloadEventEnd() const
{
LoadTiming* timing = loadTiming();
if (!timing)
return 0;
if (timing->hasCrossOriginRedirect() || !timing->hasSameOriginAsPreviousDocument())
return 0;
return monotonicTimeToIntegerMilliseconds(timing->unloadEventEnd());
}
unsigned long long PerformanceTiming::redirectStart() const
{
LoadTiming* timing = loadTiming();
if (!timing)
return 0;
if (timing->hasCrossOriginRedirect())
return 0;
return monotonicTimeToIntegerMilliseconds(timing->redirectStart());
}
unsigned long long PerformanceTiming::redirectEnd() const
{
LoadTiming* timing = loadTiming();
if (!timing)
return 0;
if (timing->hasCrossOriginRedirect())
return 0;
return monotonicTimeToIntegerMilliseconds(timing->redirectEnd());
}
unsigned long long PerformanceTiming::fetchStart() const
{
LoadTiming* timing = loadTiming();
if (!timing)
return 0;
return monotonicTimeToIntegerMilliseconds(timing->fetchStart());
}
unsigned long long PerformanceTiming::domainLookupStart() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return fetchStart();
const NetworkLoadMetrics* timing = loader->response().deprecatedNetworkLoadMetricsOrNull();
if (!timing || timing->domainLookupStart < 0_ms)
return fetchStart();
return resourceLoadTimeRelativeToFetchStart(timing->domainLookupStart);
}
unsigned long long PerformanceTiming::domainLookupEnd() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return domainLookupStart();
const NetworkLoadMetrics* timing = loader->response().deprecatedNetworkLoadMetricsOrNull();
if (!timing || timing->domainLookupEnd < 0_ms)
return domainLookupStart();
return resourceLoadTimeRelativeToFetchStart(timing->domainLookupEnd);
}
unsigned long long PerformanceTiming::connectStart() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return domainLookupEnd();
const NetworkLoadMetrics* timing = loader->response().deprecatedNetworkLoadMetricsOrNull();
if (!timing)
return domainLookupEnd();
Seconds connectStart = timing->connectStart;
if (connectStart < 0_ms)
return domainLookupEnd();
if (timing->domainLookupEnd >= 0_ms && timing->domainLookupEnd > connectStart)
connectStart = timing->domainLookupEnd;
return resourceLoadTimeRelativeToFetchStart(connectStart);
}
unsigned long long PerformanceTiming::connectEnd() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return connectStart();
const NetworkLoadMetrics* timing = loader->response().deprecatedNetworkLoadMetricsOrNull();
if (!timing || timing->connectEnd < 0_ms)
return connectStart();
return resourceLoadTimeRelativeToFetchStart(timing->connectEnd);
}
unsigned long long PerformanceTiming::secureConnectionStart() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return 0;
const NetworkLoadMetrics* timing = loader->response().deprecatedNetworkLoadMetricsOrNull();
if (!timing || timing->secureConnectionStart < 0_ms)
return 0;
return resourceLoadTimeRelativeToFetchStart(timing->secureConnectionStart);
}
unsigned long long PerformanceTiming::requestStart() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return connectEnd();
Seconds requestStart = 0_ms;
if (const NetworkLoadMetrics* timing = loader->response().deprecatedNetworkLoadMetricsOrNull())
requestStart = timing->requestStart;
ASSERT(requestStart >= 0_ms);
return resourceLoadTimeRelativeToFetchStart(requestStart);
}
unsigned long long PerformanceTiming::responseStart() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return requestStart();
Seconds responseStart = 0_ms;
if (const NetworkLoadMetrics* timing = loader->response().deprecatedNetworkLoadMetricsOrNull())
responseStart = timing->responseStart;
ASSERT(responseStart >= 0_ms);
return resourceLoadTimeRelativeToFetchStart(responseStart);
}
unsigned long long PerformanceTiming::responseEnd() const
{
LoadTiming* timing = loadTiming();
if (!timing)
return 0;
return monotonicTimeToIntegerMilliseconds(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
{
LoadTiming* timing = loadTiming();
if (!timing)
return 0;
return monotonicTimeToIntegerMilliseconds(timing->loadEventStart());
}
unsigned long long PerformanceTiming::loadEventEnd() const
{
LoadTiming* timing = loadTiming();
if (!timing)
return 0;
return monotonicTimeToIntegerMilliseconds(timing->loadEventEnd());
}
DocumentLoader* PerformanceTiming::documentLoader() const
{
auto* frame = this->frame();
if (!frame)
return nullptr;
return frame->loader().documentLoader();
}
const DocumentTiming* PerformanceTiming::documentTiming() const
{
auto* frame = this->frame();
if (!frame)
return nullptr;
Document* document = frame->document();
if (!document)
return nullptr;
return &document->timing();
}
LoadTiming* PerformanceTiming::loadTiming() const
{
DocumentLoader* loader = documentLoader();
if (!loader)
return nullptr;
return &loader->timing();
}
unsigned long long PerformanceTiming::resourceLoadTimeRelativeToFetchStart(Seconds delta) const
{
ASSERT(delta >= 0_ms);
LoadTiming* timing = loadTiming();
if (!timing)
return 0;
WallTime fetchStart = timing->monotonicTimeToPseudoWallTime(timing->fetchStart());
WallTime combined = fetchStart + delta;
Seconds reduced = Performance::reduceTimeResolution(combined.secondsSinceEpoch());
return static_cast<unsigned long long>(reduced.milliseconds());
}
unsigned long long PerformanceTiming::monotonicTimeToIntegerMilliseconds(MonotonicTime timeStamp) const
{
ASSERT(timeStamp.secondsSinceEpoch().seconds() >= 0);
LoadTiming* timing = loadTiming();
if (!timing)
return 0;
WallTime wallTime = timing->monotonicTimeToPseudoWallTime(timeStamp);
Seconds reduced = Performance::reduceTimeResolution(wallTime.secondsSinceEpoch());
return static_cast<unsigned long long>(reduced.milliseconds());
}
}