forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			89 lines
		
	
	
	
		
			3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
	
		
			3 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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