зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
3.0 KiB
C++
90 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_PerformanceNavigationTiming_h___
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#define mozilla_dom_PerformanceNavigationTiming_h___
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#include <stdint.h>
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#include <utility>
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#include "js/RootingAPI.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/dom/PerformanceNavigationTimingBinding.h"
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#include "mozilla/dom/PerformanceResourceTiming.h"
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#include "nsDOMNavigationTiming.h"
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#include "nsISupports.h"
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#include "nsLiteralString.h"
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#include "nsString.h"
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#include "nsTLiteralString.h"
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class JSObject;
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class nsIHttpChannel;
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class nsITimedChannel;
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struct JSContext;
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namespace mozilla {
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namespace dom {
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class Performance;
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class PerformanceTimingData;
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// https://www.w3.org/TR/navigation-timing-2/#sec-PerformanceNavigationTiming
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class PerformanceNavigationTiming final : public PerformanceResourceTiming {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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// Note that aPerformanceTiming must be initalized with zeroTime = 0
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// so that timestamps are relative to startTime, as opposed to the
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// performance.timing object for which timestamps are absolute and has a
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// zeroTime initialized to navigationStart
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// aPerformanceTiming and aPerformance must be non-null.
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PerformanceNavigationTiming(
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UniquePtr<PerformanceTimingData>&& aPerformanceTiming,
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Performance* aPerformance, const nsAString& aName)
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: PerformanceResourceTiming(std::move(aPerformanceTiming), aPerformance,
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aName) {
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SetEntryType(u"navigation"_ns);
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SetInitiatorType(u"navigation"_ns);
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}
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DOMHighResTimeStamp Duration() const override {
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return LoadEventEnd() - StartTime();
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}
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DOMHighResTimeStamp StartTime() const override { return 0; }
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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DOMHighResTimeStamp UnloadEventStart() const;
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DOMHighResTimeStamp UnloadEventEnd() const;
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DOMHighResTimeStamp DomInteractive() const;
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DOMHighResTimeStamp DomContentLoadedEventStart() const;
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DOMHighResTimeStamp DomContentLoadedEventEnd() const;
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DOMHighResTimeStamp DomComplete() const;
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DOMHighResTimeStamp LoadEventStart() const;
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DOMHighResTimeStamp LoadEventEnd() const;
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NavigationType Type() const;
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uint16_t RedirectCount() const;
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void UpdatePropertiesFromHttpChannel(nsIHttpChannel* aHttpChannel,
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nsITimedChannel* aChannel);
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/*
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* For use with the WebIDL Func attribute to determine whether
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* window.PerformanceNavigationTiming is exposed.
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*/
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static bool Enabled(JSContext* aCx, JSObject* aGlobal);
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private:
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~PerformanceNavigationTiming() = default;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_PerformanceNavigationTiming_h___
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