LCOV - code coverage report
Current view: top level - dom/performance - Performance.h (source / functions) Hit Total Coverage
Test: output.info Lines: 3 8 37.5 %
Date: 2017-07-14 16:53:18 Functions: 2 9 22.2 %
Legend: Lines: hit not hit

          Line data    Source code
       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_dom_Performance_h
       8             : #define mozilla_dom_Performance_h
       9             : 
      10             : #include "mozilla/Attributes.h"
      11             : #include "mozilla/DOMEventTargetHelper.h"
      12             : #include "nsCOMPtr.h"
      13             : #include "nsDOMNavigationTiming.h"
      14             : 
      15             : class nsITimedChannel;
      16             : class nsIHttpChannel;
      17             : 
      18             : namespace mozilla {
      19             : 
      20             : class ErrorResult;
      21             : 
      22             : namespace dom {
      23             : 
      24             : class PerformanceEntry;
      25             : class PerformanceNavigation;
      26             : class PerformanceObserver;
      27             : class PerformanceService;
      28             : class PerformanceTiming;
      29             : 
      30             : namespace workers {
      31             : class WorkerPrivate;
      32             : }
      33             : 
      34             : // Base class for main-thread and worker Performance API
      35             : class Performance : public DOMEventTargetHelper
      36             : {
      37             : public:
      38             :   NS_DECL_ISUPPORTS_INHERITED
      39          28 :   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(Performance,
      40             :                                            DOMEventTargetHelper)
      41             : 
      42             :   static bool IsObserverEnabled(JSContext* aCx, JSObject* aGlobal);
      43             : 
      44             :   static already_AddRefed<Performance>
      45             :   CreateForMainThread(nsPIDOMWindowInner* aWindow,
      46             :                       nsDOMNavigationTiming* aDOMTiming,
      47             :                       nsITimedChannel* aChannel);
      48             : 
      49             :   static already_AddRefed<Performance>
      50             :   CreateForWorker(workers::WorkerPrivate* aWorkerPrivate);
      51             : 
      52             :   JSObject* WrapObject(JSContext *cx,
      53             :                        JS::Handle<JSObject*> aGivenProto) override;
      54             : 
      55             :   void GetEntries(nsTArray<RefPtr<PerformanceEntry>>& aRetval);
      56             : 
      57             :   void GetEntriesByType(const nsAString& aEntryType,
      58             :                         nsTArray<RefPtr<PerformanceEntry>>& aRetval);
      59             : 
      60             :   void GetEntriesByName(const nsAString& aName,
      61             :                         const Optional<nsAString>& aEntryType,
      62             :                         nsTArray<RefPtr<PerformanceEntry>>& aRetval);
      63             : 
      64             :   virtual void AddEntry(nsIHttpChannel* channel,
      65             :                         nsITimedChannel* timedChannel) = 0;
      66             : 
      67             :   void ClearResourceTimings();
      68             : 
      69             :   DOMHighResTimeStamp Now() const;
      70             : 
      71             :   DOMHighResTimeStamp TimeOrigin();
      72             : 
      73             :   void Mark(const nsAString& aName, ErrorResult& aRv);
      74             : 
      75             :   void ClearMarks(const Optional<nsAString>& aName);
      76             : 
      77             :   void Measure(const nsAString& aName,
      78             :                const Optional<nsAString>& aStartMark,
      79             :                const Optional<nsAString>& aEndMark,
      80             :                ErrorResult& aRv);
      81             : 
      82             :   void ClearMeasures(const Optional<nsAString>& aName);
      83             : 
      84             :   void SetResourceTimingBufferSize(uint64_t aMaxSize);
      85             : 
      86             :   void AddObserver(PerformanceObserver* aObserver);
      87             :   void RemoveObserver(PerformanceObserver* aObserver);
      88             :   void NotifyObservers();
      89             :   void CancelNotificationObservers();
      90             : 
      91             :   virtual PerformanceTiming* Timing() = 0;
      92             : 
      93             :   virtual PerformanceNavigation* Navigation() = 0;
      94             : 
      95           0 :   IMPL_EVENT_HANDLER(resourcetimingbufferfull)
      96             : 
      97             :   virtual void GetMozMemory(JSContext *aCx,
      98             :                             JS::MutableHandle<JSObject*> aObj) = 0;
      99             : 
     100             :   virtual nsDOMNavigationTiming* GetDOMTiming() const = 0;
     101             : 
     102             :   virtual nsITimedChannel* GetChannel() const = 0;
     103             : 
     104             : protected:
     105             :   Performance();
     106             :   explicit Performance(nsPIDOMWindowInner* aWindow);
     107             : 
     108             :   virtual ~Performance();
     109             : 
     110             :   virtual void InsertUserEntry(PerformanceEntry* aEntry);
     111             :   void InsertResourceEntry(PerformanceEntry* aEntry);
     112             : 
     113             :   void ClearUserEntries(const Optional<nsAString>& aEntryName,
     114             :                         const nsAString& aEntryType);
     115             : 
     116             :   DOMHighResTimeStamp ResolveTimestampFromName(const nsAString& aName,
     117             :                                                ErrorResult& aRv);
     118             : 
     119             :   virtual nsISupports* GetAsISupports() = 0;
     120             : 
     121             :   virtual void DispatchBufferFullEvent() = 0;
     122             : 
     123             :   virtual TimeStamp CreationTimeStamp() const = 0;
     124             : 
     125             :   virtual DOMHighResTimeStamp CreationTime() const = 0;
     126             : 
     127           0 :   virtual bool IsPerformanceTimingAttribute(const nsAString& aName)
     128             :   {
     129           0 :     return false;
     130             :   }
     131             : 
     132             :   virtual DOMHighResTimeStamp
     133           0 :   GetPerformanceTimingFromString(const nsAString& aTimingName)
     134             :   {
     135           0 :     return 0;
     136             :   }
     137             : 
     138           2 :   bool IsResourceEntryLimitReached() const
     139             :   {
     140           2 :     return mResourceEntries.Length() >= mResourceTimingBufferSize;
     141             :   }
     142             : 
     143             :   void LogEntry(PerformanceEntry* aEntry, const nsACString& aOwner) const;
     144             :   void TimingNotification(PerformanceEntry* aEntry, const nsACString& aOwner,
     145             :                           uint64_t epoch);
     146             : 
     147             :   void RunNotificationObserversTask();
     148             :   void QueueEntry(PerformanceEntry* aEntry);
     149             : 
     150             :   DOMHighResTimeStamp RoundTime(double aTime) const;
     151             : 
     152             :   nsTObserverArray<PerformanceObserver*> mObservers;
     153             : 
     154             : private:
     155             :   static const uint64_t kDefaultResourceTimingBufferSize = 150;
     156             : 
     157             :   // When kDefaultResourceTimingBufferSize is increased or removed, these should
     158             :   // be changed to use SegmentedVector
     159             :   AutoTArray<RefPtr<PerformanceEntry>, kDefaultResourceTimingBufferSize> mUserEntries;
     160             :   AutoTArray<RefPtr<PerformanceEntry>, kDefaultResourceTimingBufferSize> mResourceEntries;
     161             : 
     162             :   uint64_t mResourceTimingBufferSize;
     163             :   bool mPendingNotificationObserversTask;
     164             : 
     165             :   RefPtr<PerformanceService> mPerformanceService;
     166             : };
     167             : 
     168             : } // namespace dom
     169             : } // namespace mozilla
     170             : 
     171             : #endif // mozilla_dom_Performance_h

Generated by: LCOV version 1.13