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author | Moonchild <moonchild@palemoon.org> | 2022-02-12 17:47:03 +0000 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2022-02-12 14:23:18 -0600 |
commit | f66babd8b8368ada3e5aa29cdef1c77291ee4ddd (patch) | |
tree | e3842e2a6bf19090185f9c475b3846e1bb79ac97 /dom/performance/Performance.h | |
download | GRE-f66babd8b8368ada3e5aa29cdef1c77291ee4ddd.tar.gz |
Create the Goanna Runtime Environment
Diffstat (limited to 'dom/performance/Performance.h')
-rw-r--r-- | dom/performance/Performance.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/dom/performance/Performance.h b/dom/performance/Performance.h new file mode 100644 index 000000000..2574fcdd3 --- /dev/null +++ b/dom/performance/Performance.h @@ -0,0 +1,171 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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 "nsDOMNavigationTiming.h" + +class nsITimedChannel; +class nsIHttpChannel; + +namespace mozilla { + +class ErrorResult; + +namespace dom { + +class PerformanceEntry; +class PerformanceNavigation; +class PerformanceObserver; +class PerformanceService; +class PerformanceTiming; + +namespace workers { +class WorkerPrivate; +} + +// 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 IsEnabled(JSContext* aCx, JSObject* aGlobal); + + static bool IsObserverEnabled(JSContext* aCx, JSObject* aGlobal); + + static already_AddRefed<Performance> + CreateForMainThread(nsPIDOMWindowInner* aWindow, + nsDOMNavigationTiming* aDOMTiming, + nsITimedChannel* aChannel); + + static already_AddRefed<Performance> + CreateForWorker(workers::WorkerPrivate* aWorkerPrivate); + + 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 GetEntriesByName(const nsAString& aName, + const Optional<nsAString>& aEntryType, + nsTArray<RefPtr<PerformanceEntry>>& aRetval); + + virtual void AddEntry(nsIHttpChannel* channel, + nsITimedChannel* timedChannel) = 0; + + void ClearResourceTimings(); + + DOMHighResTimeStamp Now() const; + + DOMHighResTimeStamp TimeOrigin(); + + void Mark(const nsAString& aName, ErrorResult& aRv); + + void ClearMarks(const Optional<nsAString>& aName); + + void Measure(const nsAString& aName, + const Optional<nsAString>& aStartMark, + 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); + void NotifyObservers(); + void CancelNotificationObservers(); + + virtual PerformanceTiming* Timing() = 0; + + virtual PerformanceNavigation* Navigation() = 0; + + IMPL_EVENT_HANDLER(resourcetimingbufferfull) + +#ifdef MOZ_DEVTOOLS_SERVER + virtual void GetMozMemory(JSContext *aCx, + JS::MutableHandle<JSObject*> aObj) = 0; +#endif + + virtual nsDOMNavigationTiming* GetDOMTiming() const = 0; + + virtual nsITimedChannel* GetChannel() const = 0; + +protected: + Performance(); + explicit Performance(nsPIDOMWindowInner* aWindow); + + virtual ~Performance(); + + virtual void InsertUserEntry(PerformanceEntry* aEntry); + void InsertResourceEntry(PerformanceEntry* aEntry); + + void ClearUserEntries(const Optional<nsAString>& aEntryName, + const nsAString& aEntryType); + + DOMHighResTimeStamp ResolveTimestampFromName(const nsAString& aName, + ErrorResult& aRv); + + virtual nsISupports* GetAsISupports() = 0; + + virtual void DispatchBufferFullEvent() = 0; + + virtual TimeStamp CreationTimeStamp() const = 0; + + virtual DOMHighResTimeStamp CreationTime() const = 0; + + virtual bool IsPerformanceTimingAttribute(const nsAString& aName) + { + return false; + } + + virtual DOMHighResTimeStamp + GetPerformanceTimingFromString(const nsAString& aTimingName) + { + return 0; + } + + bool IsResourceEntryLimitReached() const + { + return mResourceEntries.Length() >= mResourceTimingBufferSize; + } + + void LogEntry(PerformanceEntry* aEntry, const nsACString& aOwner) const; + void TimingNotification(PerformanceEntry* aEntry, const nsACString& aOwner, + uint64_t epoch); + + void RunNotificationObserversTask(); + void QueueEntry(PerformanceEntry* aEntry); + + DOMHighResTimeStamp RoundTime(double aTime) const; + + nsTObserverArray<PerformanceObserver*> mObservers; + +protected: + nsTArray<RefPtr<PerformanceEntry>> mUserEntries; + nsTArray<RefPtr<PerformanceEntry>> mResourceEntries; + + uint64_t mResourceTimingBufferSize; + static const uint64_t kDefaultResourceTimingBufferSize = 150; + bool mPendingNotificationObserversTask; + + RefPtr<PerformanceService> mPerformanceService; +}; + +} // namespace dom +} // namespace mozilla + +#endif // mozilla_dom_Performance_h |