#include "config.h"
#if ENABLE(WEB_TIMING)
#include "Performance.h"
#include "Document.h"
#include "DocumentLoader.h"
#include "EventNames.h"
#include "Frame.h"
#include "PerformanceEntry.h"
#include "PerformanceNavigation.h"
#include "PerformanceResourceTiming.h"
#include "PerformanceTiming.h"
#include "PerformanceUserTiming.h"
#include "ResourceResponse.h"
#include <wtf/CurrentTime.h>
namespace WebCore {
static const size_t defaultResourceTimingBufferSize = 150;
Performance::Performance(Frame& frame)
: DOMWindowProperty(&frame)
, m_resourceTimingBufferSize(defaultResourceTimingBufferSize)
, m_referenceTime(frame.document()->loader() ? frame.document()->loader()->timing().referenceMonotonicTime() : monotonicallyIncreasingTime())
#if ENABLE(USER_TIMING)
, m_userTiming(nullptr)
#endif // ENABLE(USER_TIMING)
{
ASSERT(m_referenceTime);
}
Performance::~Performance()
{
}
ScriptExecutionContext* Performance::scriptExecutionContext() const
{
if (!frame())
return nullptr;
return frame()->document();
}
PerformanceNavigation* Performance::navigation() const
{
if (!m_navigation)
m_navigation = PerformanceNavigation::create(m_frame);
return m_navigation.get();
}
PerformanceTiming* Performance::timing() const
{
if (!m_timing)
m_timing = PerformanceTiming::create(m_frame);
return m_timing.get();
}
RefPtr<PerformanceEntryList> Performance::getEntries() const
{
RefPtr<PerformanceEntryList> entries = PerformanceEntryList::create();
entries->appendAll(m_resourceTimingBuffer);
#if ENABLE(USER_TIMING)
if (m_userTiming) {
entries->appendAll(m_userTiming->getMarks());
entries->appendAll(m_userTiming->getMeasures());
}
#endif // ENABLE(USER_TIMING)
entries->sort();
return entries;
}
RefPtr<PerformanceEntryList> Performance::getEntriesByType(const String& entryType)
{
RefPtr<PerformanceEntryList> entries = PerformanceEntryList::create();
if (equalLettersIgnoringASCIICase(entryType, "resource")) {
for (auto& resource : m_resourceTimingBuffer)
entries->append(resource);
}
#if ENABLE(USER_TIMING)
if (m_userTiming) {
if (equalLettersIgnoringASCIICase(entryType, "mark"))
entries->appendAll(m_userTiming->getMarks());
else if (equalLettersIgnoringASCIICase(entryType, "measure"))
entries->appendAll(m_userTiming->getMeasures());
}
#endif
entries->sort();
return entries;
}
RefPtr<PerformanceEntryList> Performance::getEntriesByName(const String& name, const String& entryType)
{
RefPtr<PerformanceEntryList> entries = PerformanceEntryList::create();
if (entryType.isNull() || equalLettersIgnoringASCIICase(entryType, "resource")) {
for (auto& resource : m_resourceTimingBuffer) {
if (resource->name() == name)
entries->append(resource);
}
}
#if ENABLE(USER_TIMING)
if (m_userTiming) {
if (entryType.isNull() || equalLettersIgnoringASCIICase(entryType, "mark"))
entries->appendAll(m_userTiming->getMarks(name));
if (entryType.isNull() || equalLettersIgnoringASCIICase(entryType, "measure"))
entries->appendAll(m_userTiming->getMeasures(name));
}
#endif
entries->sort();
return entries;
}
void Performance::clearResourceTimings()
{
m_resourceTimingBuffer.clear();
}
void Performance::setResourceTimingBufferSize(unsigned size)
{
m_resourceTimingBufferSize = size;
if (isResourceTimingBufferFull())
dispatchEvent(Event::create(eventNames().resourcetimingbufferfullEvent, false, false));
}
void Performance::addResourceTiming(const String& initiatorName, Document* initiatorDocument, const ResourceRequest& request, const ResourceResponse& response, double initiationTime, double finishTime)
{
if (isResourceTimingBufferFull())
return;
RefPtr<PerformanceEntry> entry = PerformanceResourceTiming::create(initiatorName, request, response, initiationTime, finishTime, initiatorDocument);
m_resourceTimingBuffer.append(entry);
if (isResourceTimingBufferFull())
dispatchEvent(Event::create(eventNames().resourcetimingbufferfullEvent, false, false));
}
bool Performance::isResourceTimingBufferFull()
{
return m_resourceTimingBuffer.size() >= m_resourceTimingBufferSize;
}
#if ENABLE(USER_TIMING)
void Performance::webkitMark(const String& markName, ExceptionCode& ec)
{
ec = 0;
if (!m_userTiming)
m_userTiming = UserTiming::create(this);
m_userTiming->mark(markName, ec);
}
void Performance::webkitClearMarks(const String& markName)
{
if (!m_userTiming)
m_userTiming = UserTiming::create(this);
m_userTiming->clearMarks(markName);
}
void Performance::webkitMeasure(const String& measureName, const String& startMark, const String& endMark, ExceptionCode& ec)
{
ec = 0;
if (!m_userTiming)
m_userTiming = UserTiming::create(this);
m_userTiming->measure(measureName, startMark, endMark, ec);
}
void Performance::webkitClearMeasures(const String& measureName)
{
if (!m_userTiming)
m_userTiming = UserTiming::create(this);
m_userTiming->clearMeasures(measureName);
}
#endif // ENABLE(USER_TIMING)
double Performance::now() const
{
double nowSeconds = monotonicallyIncreasingTime() - m_referenceTime;
const double resolutionSeconds = 0.000005;
return 1000.0 * floor(nowSeconds / resolutionSeconds) * resolutionSeconds;
}
}
#endif // ENABLE(WEB_TIMING)