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       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef mozilla_DocLoadingTimelineMarker_h_
       8             : #define mozilla_DocLoadingTimelineMarker_h_
       9             : 
      10             : #include "TimelineMarker.h"
      11             : #include "mozilla/dom/ProfileTimelineMarkerBinding.h"
      12             : 
      13             : namespace mozilla {
      14             : 
      15           0 : class DocLoadingTimelineMarker : public TimelineMarker
      16             : {
      17             : public:
      18           0 :   explicit DocLoadingTimelineMarker(const char* aName)
      19           0 :     : TimelineMarker(aName, MarkerTracingType::TIMESTAMP)
      20           0 :     , mUnixTime(PR_Now())
      21           0 :   {}
      22             : 
      23           0 :   virtual void AddDetails(JSContext* aCx, dom::ProfileTimelineMarker& aMarker) override
      24             :   {
      25           0 :     TimelineMarker::AddDetails(aCx, aMarker);
      26           0 :     aMarker.mUnixTime.Construct(mUnixTime);
      27           0 :   }
      28             : 
      29             : private:
      30             :   // Certain consumers might use Date.now() or similar for tracing time.
      31             :   // However, TimelineMarkers use process creation as an epoch, which provides
      32             :   // more precision. To allow syncing, attach an additional unix timestamp.
      33             :   // Using this instead of `AbstractTimelineMarker::GetTime()'s` timestamp
      34             :   // is strongly discouraged.
      35             :   PRTime mUnixTime;
      36             : };
      37             : 
      38             : } // namespace mozilla
      39             : 
      40             : #endif // mozilla_DocLoadingTimelineMarker_h_