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/* -*- 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_PerformanceObserver_h__
#define mozilla_dom_PerformanceObserver_h__
#include "nsCOMPtr.h"
#include "nsISupports.h"
#include "mozilla/RefPtr.h"
#include "nsString.h"
#include "nsTArray.h"
#include "nsWrapperCache.h"
class nsPIDOMWindowInner;
namespace mozilla {
class ErrorResult;
namespace dom {
class GlobalObject;
class Performance;
class PerformanceEntry;
class PerformanceObserverCallback;
struct PerformanceObserverInit;
namespace workers {
class WorkerPrivate;
} // namespace workers
class PerformanceObserver final : public nsISupports,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(PerformanceObserver)
static already_AddRefed<PerformanceObserver>
Constructor(const GlobalObject& aGlobal,
PerformanceObserverCallback& aCb,
ErrorResult& aRv);
PerformanceObserver(nsPIDOMWindowInner* aOwner,
PerformanceObserverCallback& aCb);
PerformanceObserver(workers::WorkerPrivate* aWorkerPrivate,
PerformanceObserverCallback& aCb);
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
nsISupports* GetParentObject() const { return mOwner; }
void Observe(const PerformanceObserverInit& aOptions,
mozilla::ErrorResult& aRv);
static void GetSupportedEntryTypes(const GlobalObject& aGlobal,
JS::MutableHandle<JSObject*> aObject);
void Disconnect();
void TakeRecords(nsTArray<RefPtr<PerformanceEntry>>& aRetval);
void Notify();
void QueueEntry(PerformanceEntry* aEntry);
bool ObservesTypeOfEntry(PerformanceEntry* aEntry);
private:
void ReportUnsupportedTypesErrorToConsole(bool aIsMainThread,
const char* msgId,
const nsString& aInvalidTypes);
~PerformanceObserver();
nsCOMPtr<nsISupports> mOwner;
RefPtr<PerformanceObserverCallback> mCallback;
RefPtr<Performance> mPerformance;
nsTArray<nsString> mEntryTypes;
nsTArray<PerformanceObserverInit> mOptions;
enum {
ObserverTypeUndefined,
ObserverTypeSingle,
ObserverTypeMultiple,
} mObserverType;
/*
* This is also known as registered, in the spec.
*/
bool mConnected;
nsTArray<RefPtr<PerformanceEntry>> mQueuedEntries;
};
} // namespace dom
} // namespace mozilla
#endif
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