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Diffstat (limited to 'dom/performance/Performance.h')
| -rw-r--r-- | dom/performance/Performance.h | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/dom/performance/Performance.h b/dom/performance/Performance.h new file mode 100644 index 0000000000..42cb975aeb --- /dev/null +++ b/dom/performance/Performance.h @@ -0,0 +1,243 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_dom_Performance_h +#define mozilla_dom_Performance_h + +#include "mozilla/Attributes.h" +#include "mozilla/DOMEventTargetHelper.h" +#include "nsCOMPtr.h" +#include "nsContentUtils.h" +#include "nsDOMNavigationTiming.h" +#include "nsTObserverArray.h" + +class nsITimedChannel; + +namespace mozilla { + +class ErrorResult; + +namespace dom { + +class OwningStringOrDouble; +class StringOrPerformanceMeasureOptions; +class PerformanceEntry; +class PerformanceMark; +struct PerformanceMarkOptions; +struct PerformanceMeasureOptions; +class PerformanceMeasure; +class PerformanceNavigation; +class PerformancePaintTiming; +class PerformanceObserver; +class PerformanceService; +class PerformanceStorage; +class PerformanceTiming; +class PerformanceEventTiming; +class WorkerPrivate; +class EventCounts; + +// Base class for main-thread and worker Performance API +class Performance : public DOMEventTargetHelper { + public: + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(Performance, DOMEventTargetHelper) + + static bool IsObserverEnabled(JSContext* aCx, JSObject* aGlobal); + + static already_AddRefed<Performance> CreateForMainThread( + nsPIDOMWindowInner* aWindow, nsIPrincipal* aPrincipal, + nsDOMNavigationTiming* aDOMTiming, nsITimedChannel* aChannel); + + static already_AddRefed<Performance> CreateForWorker( + WorkerPrivate* aWorkerPrivate); + + // This will return nullptr if called outside of a Window or Worker. + static already_AddRefed<Performance> Get(JSContext* aCx, + nsIGlobalObject* aGlobal); + + JSObject* WrapObject(JSContext* cx, + JS::Handle<JSObject*> aGivenProto) override; + + virtual void GetEntries(nsTArray<RefPtr<PerformanceEntry>>& aRetval); + + virtual void GetEntriesByType(const nsAString& aEntryType, + nsTArray<RefPtr<PerformanceEntry>>& aRetval); + + virtual void GetEntriesByTypeForObserver( + const nsAString& aEntryType, nsTArray<RefPtr<PerformanceEntry>>& aRetval); + + virtual void GetEntriesByName(const nsAString& aName, + const Optional<nsAString>& aEntryType, + nsTArray<RefPtr<PerformanceEntry>>& aRetval); + + virtual PerformanceStorage* AsPerformanceStorage() = 0; + + void ClearResourceTimings(); + + DOMHighResTimeStamp Now(); + + DOMHighResTimeStamp NowUnclamped() const; + + DOMHighResTimeStamp TimeOrigin(); + + already_AddRefed<PerformanceMark> Mark( + JSContext* aCx, const nsAString& aName, + const PerformanceMarkOptions& aMarkOptions, ErrorResult& aRv); + + void ClearMarks(const Optional<nsAString>& aName); + + already_AddRefed<PerformanceMeasure> Measure( + JSContext* aCx, const nsAString& aName, + const StringOrPerformanceMeasureOptions& aStartOrMeasureOptions, + const Optional<nsAString>& aEndMark, ErrorResult& aRv); + + void ClearMeasures(const Optional<nsAString>& aName); + + void SetResourceTimingBufferSize(uint64_t aMaxSize); + + void AddObserver(PerformanceObserver* aObserver); + void RemoveObserver(PerformanceObserver* aObserver); + MOZ_CAN_RUN_SCRIPT void NotifyObservers(); + void CancelNotificationObservers(); + + virtual PerformanceTiming* Timing() = 0; + + virtual PerformanceNavigation* Navigation() = 0; + + virtual void SetFCPTimingEntry(PerformancePaintTiming* aEntry) = 0; + + IMPL_EVENT_HANDLER(resourcetimingbufferfull) + + virtual void GetMozMemory(JSContext* aCx, + JS::MutableHandle<JSObject*> aObj) = 0; + + virtual nsDOMNavigationTiming* GetDOMTiming() const = 0; + + virtual nsITimedChannel* GetChannel() const = 0; + + virtual TimeStamp CreationTimeStamp() const = 0; + + RTPCallerType GetRTPCallerType() const { return mRTPCallerType; } + + DOMHighResTimeStamp TimeStampToDOMHighResForRendering(TimeStamp) const; + + virtual uint64_t GetRandomTimelineSeed() = 0; + + void MemoryPressure(); + + size_t SizeOfUserEntries(mozilla::MallocSizeOf aMallocSizeOf) const; + size_t SizeOfResourceEntries(mozilla::MallocSizeOf aMallocSizeOf) const; + virtual size_t SizeOfEventEntries(mozilla::MallocSizeOf aMallocSizeOf) const { + return 0; + } + + void InsertResourceEntry(PerformanceEntry* aEntry); + + virtual void InsertEventTimingEntry(PerformanceEventTiming* aEntry) = 0; + + virtual void BufferEventTimingEntryIfNeeded( + PerformanceEventTiming* aEntry) = 0; + + virtual class EventCounts* EventCounts() = 0; + + virtual void QueueNavigationTimingEntry() = 0; + + virtual void UpdateNavigationTimingEntry() = 0; + + virtual bool CrossOriginIsolated() const = 0; + + virtual void DispatchPendingEventTimingEntries() = 0; + + void QueueNotificationObserversTask(); + + bool IsPerformanceTimingAttribute(const nsAString& aName) const; + + virtual bool IsGlobalObjectWindow() const { return false; }; + + protected: + Performance(nsIGlobalObject* aGlobal); + Performance(nsPIDOMWindowInner* aWindow); + + virtual ~Performance(); + + virtual void InsertUserEntry(PerformanceEntry* aEntry); + + void ClearUserEntries(const Optional<nsAString>& aEntryName, + const nsAString& aEntryType); + + virtual void DispatchBufferFullEvent() = 0; + + virtual DOMHighResTimeStamp CreationTime() const = 0; + + virtual DOMHighResTimeStamp GetPerformanceTimingFromString( + const nsAString& aTimingName) { + return 0; + } + + void LogEntry(PerformanceEntry* aEntry, const nsACString& aOwner) const; + void TimingNotification(PerformanceEntry* aEntry, const nsACString& aOwner, + const double aEpoch); + + void RunNotificationObserversTask(); + void QueueEntry(PerformanceEntry* aEntry); + + nsTObserverArray<RefPtr<PerformanceObserver>> mObservers; + + protected: + static const uint64_t kDefaultResourceTimingBufferSize = 250; + + // When kDefaultResourceTimingBufferSize is increased or removed, these should + // be changed to use SegmentedVector + AutoTArray<RefPtr<PerformanceEntry>, kDefaultResourceTimingBufferSize> + mUserEntries; + AutoTArray<RefPtr<PerformanceEntry>, kDefaultResourceTimingBufferSize> + mResourceEntries; + AutoTArray<RefPtr<PerformanceEntry>, kDefaultResourceTimingBufferSize> + mSecondaryResourceEntries; + + uint64_t mResourceTimingBufferSize; + bool mPendingNotificationObserversTask; + + bool mPendingResourceTimingBufferFullEvent; + + RefPtr<PerformanceService> mPerformanceService; + + enum RTPCallerType mRTPCallerType; + + private: + MOZ_ALWAYS_INLINE bool CanAddResourceTimingEntry(); + void BufferEvent(); + + // The attributes of a PerformanceMeasureOptions that we call + // ResolveTimestamp* on. + enum class ResolveTimestampAttribute; + + DOMHighResTimeStamp ConvertMarkToTimestampWithString(const nsAString& aName, + ErrorResult& aRv); + DOMHighResTimeStamp ConvertMarkToTimestampWithDOMHighResTimeStamp( + const ResolveTimestampAttribute aAttribute, const double aTimestamp, + ErrorResult& aRv); + DOMHighResTimeStamp ConvertMarkToTimestamp( + const ResolveTimestampAttribute aAttribute, + const OwningStringOrDouble& aMarkNameOrTimestamp, ErrorResult& aRv); + + DOMHighResTimeStamp ConvertNameToTimestamp(const nsAString& aName, + ErrorResult& aRv); + + DOMHighResTimeStamp ResolveEndTimeForMeasure( + const Optional<nsAString>& aEndMark, + const Maybe<const PerformanceMeasureOptions&>& aOptions, + ErrorResult& aRv); + DOMHighResTimeStamp ResolveStartTimeForMeasure( + const Maybe<const nsAString&>& aStartMark, + const Maybe<const PerformanceMeasureOptions&>& aOptions, + ErrorResult& aRv); +}; + +} // namespace dom +} // namespace mozilla + +#endif // mozilla_dom_Performance_h |