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104 lines
3 KiB
C++
104 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_PerformanceEntry_h___
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#define mozilla_dom_PerformanceEntry_h___
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#include "nsDOMNavigationTiming.h"
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#include "nsString.h"
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#include "nsWrapperCache.h"
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#include "nsAtom.h"
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#include "mozilla/dom/PerformanceObserverBinding.h"
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class nsISupports;
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namespace mozilla::dom {
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class PerformanceResourceTiming;
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// http://www.w3.org/TR/performance-timeline/#performanceentry
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class PerformanceEntry : public nsISupports, public nsWrapperCache {
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protected:
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virtual ~PerformanceEntry();
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public:
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PerformanceEntry(nsISupports* aParent, const nsAString& aName,
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const nsAString& aEntryType);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(PerformanceEntry)
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nsISupports* GetParentObject() const { return mParent; }
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void GetName(nsAString& aName) const {
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if (mName) {
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mName->ToString(aName);
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}
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}
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const nsAtom* GetName() const { return mName; }
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void GetEntryType(nsAString& aEntryType) const {
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if (mEntryType) {
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mEntryType->ToString(aEntryType);
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}
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}
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const nsAtom* GetEntryType() const { return mEntryType; }
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void SetEntryType(const nsAString& aEntryType) {
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mEntryType = NS_Atomize(aEntryType);
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}
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virtual DOMHighResTimeStamp StartTime() const { return 0; }
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// This is used by the Gecko Profiler only for adding precise markers.
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// It's not exposed to JS.
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virtual DOMHighResTimeStamp UnclampedStartTime() const {
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MOZ_ASSERT(false, "UnclampedStartTime should not be called on this class.");
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return 0;
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}
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virtual DOMHighResTimeStamp Duration() const { return 0; }
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virtual const PerformanceResourceTiming* ToResourceTiming() const {
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return nullptr;
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}
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virtual bool ShouldAddEntryToObserverBuffer(
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PerformanceObserverInit& aOption) const;
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virtual void BufferEntryIfNeeded() {}
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
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protected:
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virtual size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
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private:
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nsCOMPtr<nsISupports> mParent;
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RefPtr<nsAtom> mName;
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RefPtr<nsAtom> mEntryType;
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};
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// Helper classes
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class MOZ_STACK_CLASS PerformanceEntryComparator final {
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public:
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bool Equals(const PerformanceEntry* aElem1,
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const PerformanceEntry* aElem2) const {
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MOZ_ASSERT(aElem1 && aElem2, "Trying to compare null performance entries");
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return aElem1->StartTime() == aElem2->StartTime();
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}
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bool LessThan(const PerformanceEntry* aElem1,
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const PerformanceEntry* aElem2) const {
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MOZ_ASSERT(aElem1 && aElem2, "Trying to compare null performance entries");
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return aElem1->StartTime() < aElem2->StartTime();
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}
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};
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} // namespace mozilla::dom
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#endif /* mozilla_dom_PerformanceEntry_h___ */
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