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PerformanceNavigationTiming.h
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PerformanceNavigationTiming.h
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_PerformanceNavigationTiming_h___
#define mozilla_dom_PerformanceNavigationTiming_h___
#include "nsCOMPtr.h"
#include "nsIChannel.h"
#include "nsITimedChannel.h"
#include "nsRFPService.h"
#include "mozilla/dom/PerformanceResourceTiming.h"
#include "mozilla/dom/PerformanceNavigationTimingBinding.h"
#include "nsIHttpChannel.h"
namespace mozilla {
namespace dom {
// https://www.w3.org/TR/navigation-timing-2/#sec-PerformanceNavigationTiming
class PerformanceNavigationTiming final : public PerformanceResourceTiming {
public:
NS_DECL_ISUPPORTS_INHERITED
// Note that aPerformanceTiming must be initalized with zeroTime = 0
// so that timestamps are relative to startTime, as opposed to the
// performance.timing object for which timestamps are absolute and has a
// zeroTime initialized to navigationStart
PerformanceNavigationTiming(
UniquePtr<PerformanceTimingData>&& aPerformanceTiming,
Performance* aPerformance, const nsAString& aName)
: PerformanceResourceTiming(std::move(aPerformanceTiming), aPerformance,
aName) {
SetEntryType(NS_LITERAL_STRING("navigation"));
SetInitiatorType(NS_LITERAL_STRING("navigation"));
}
DOMHighResTimeStamp Duration() const override {
DOMHighResTimeStamp rawDuration = LoadEventEnd() - StartTime();
if (mPerformance->IsSystemPrincipal()) {
return rawDuration;
}
return nsRFPService::ReduceTimePrecisionAsMSecs(
rawDuration, mPerformance->GetRandomTimelineSeed());
}
DOMHighResTimeStamp StartTime() const override { return 0; }
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
DOMHighResTimeStamp UnloadEventStart() const;
DOMHighResTimeStamp UnloadEventEnd() const;
DOMHighResTimeStamp DomInteractive() const;
DOMHighResTimeStamp DomContentLoadedEventStart() const;
DOMHighResTimeStamp DomContentLoadedEventEnd() const;
DOMHighResTimeStamp DomComplete() const;
DOMHighResTimeStamp LoadEventStart() const;
DOMHighResTimeStamp LoadEventEnd() const;
NavigationType Type() const;
uint16_t RedirectCount() const;
void UpdatePropertiesFromHttpChannel(nsIHttpChannel* aHttpChannel,
nsITimedChannel* aChannel);
private:
~PerformanceNavigationTiming() {}
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_PerformanceNavigationTiming_h___