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	 265e672179
			
		
	
	
		265e672179
		
	
	
	
	
		
			
			# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
		
			
				
	
	
		
			75 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
	
		
			2.7 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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| 
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| #ifndef mozilla_dom_PerformanceNavigationTiming_h___
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| #define mozilla_dom_PerformanceNavigationTiming_h___
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| 
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| #include "nsCOMPtr.h"
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| #include "nsIChannel.h"
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| #include "nsITimedChannel.h"
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| #include "nsRFPService.h"
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| #include "mozilla/dom/PerformanceResourceTiming.h"
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| #include "mozilla/dom/PerformanceNavigationTimingBinding.h"
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| #include "nsIHttpChannel.h"
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| 
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| namespace mozilla {
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| namespace dom {
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| 
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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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| 
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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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|   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(NS_LITERAL_STRING("navigation"));
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|     SetInitiatorType(NS_LITERAL_STRING("navigation"));
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|   }
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| 
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|   DOMHighResTimeStamp Duration() const override {
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|     DOMHighResTimeStamp rawDuration = LoadEventEnd() - StartTime();
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|     if (mPerformance->IsSystemPrincipal()) {
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|       return rawDuration;
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|     }
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|     return nsRFPService::ReduceTimePrecisionAsMSecs(
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|         rawDuration, mPerformance->GetRandomTimelineSeed());
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|   }
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| 
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|   DOMHighResTimeStamp StartTime() const override { return 0; }
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| 
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|   JSObject* WrapObject(JSContext* aCx,
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|                        JS::Handle<JSObject*> aGivenProto) override;
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| 
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|   DOMHighResTimeStamp UnloadEventStart() const;
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|   DOMHighResTimeStamp UnloadEventEnd() const;
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| 
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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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| 
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|   void UpdatePropertiesFromHttpChannel(nsIHttpChannel* aHttpChannel,
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|                                        nsITimedChannel* aChannel);
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| 
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|  private:
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|   ~PerformanceNavigationTiming() {}
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| };
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| 
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| }  // namespace dom
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| }  // namespace mozilla
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| 
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| #endif  // mozilla_dom_PerformanceNavigationTiming_h___
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