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