forked from mirrors/gecko-dev
6ebcecc30e
We attach it to WorkerPrivate and DOMNavigationTiming so it will be re-used when it should. WorkerPrivate is used in the Performance APIs, Performance Storage Worker, and Event. DOMNavigationTiming is used only in the Performance APIs, but the crucial part is that when the individual DOMNavigationTiming object is re-used, so will the context seed. This in particular came up with the nav2_test_document_open.html Web Platform Test which illustrated the fact that even if you .open() a new document, the performance navigation data is not supposed to change. MozReview-Commit-ID: GIv6biEo2jY --HG-- extra : rebase_source : da2ad8d9d6e0172679c6af14dba72938e9d2012c
95 lines
3 KiB
C++
95 lines
3 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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#ifndef mozilla_dom_PerformanceMainThread_h
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#define mozilla_dom_PerformanceMainThread_h
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#include "Performance.h"
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#include "PerformanceStorage.h"
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namespace mozilla {
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namespace dom {
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class PerformanceMainThread final : public Performance
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, public PerformanceStorage
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{
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public:
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PerformanceMainThread(nsPIDOMWindowInner* aWindow,
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nsDOMNavigationTiming* aDOMTiming,
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nsITimedChannel* aChannel);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(PerformanceMainThread,
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Performance)
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PerformanceStorage* AsPerformanceStorage() override
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{
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return this;
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}
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virtual PerformanceTiming* Timing() override;
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virtual PerformanceNavigation* Navigation() override;
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virtual void AddEntry(nsIHttpChannel* channel,
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nsITimedChannel* timedChannel) override;
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TimeStamp CreationTimeStamp() const override;
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DOMHighResTimeStamp CreationTime() const override;
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virtual void GetMozMemory(JSContext *aCx,
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JS::MutableHandle<JSObject*> aObj) override;
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virtual nsDOMNavigationTiming* GetDOMTiming() const override
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{
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return mDOMTiming;
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}
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virtual uint64_t GetRandomTimelineSeed() override
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{
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return GetDOMTiming()->GetRandomTimelineSeed();
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}
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virtual nsITimedChannel* GetChannel() const override
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{
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return mChannel;
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}
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// The GetEntries* methods need to be overriden in order to add the
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// the document entry of type navigation.
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virtual void GetEntries(nsTArray<RefPtr<PerformanceEntry>>& aRetval) override;
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virtual void GetEntriesByType(const nsAString& aEntryType,
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nsTArray<RefPtr<PerformanceEntry>>& aRetval) override;
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virtual void GetEntriesByName(const nsAString& aName,
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const Optional<nsAString>& aEntryType,
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nsTArray<RefPtr<PerformanceEntry>>& aRetval) override;
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protected:
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~PerformanceMainThread();
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void InsertUserEntry(PerformanceEntry* aEntry) override;
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bool IsPerformanceTimingAttribute(const nsAString& aName) override;
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DOMHighResTimeStamp
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GetPerformanceTimingFromString(const nsAString& aTimingName) override;
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void DispatchBufferFullEvent() override;
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void EnsureDocEntry();
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RefPtr<PerformanceEntry> mDocEntry;
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RefPtr<nsDOMNavigationTiming> mDOMTiming;
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nsCOMPtr<nsITimedChannel> mChannel;
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RefPtr<PerformanceTiming> mTiming;
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RefPtr<PerformanceNavigation> mNavigation;
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JS::Heap<JSObject*> mMozMemory;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_PerformanceMainThread_h
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