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-rw-r--r--dom/performance/PerformanceObserver.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/dom/performance/PerformanceObserver.h b/dom/performance/PerformanceObserver.h
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+++ b/dom/performance/PerformanceObserver.h
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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_PerformanceObserver_h__
+#define mozilla_dom_PerformanceObserver_h__
+
+#include "nsCOMPtr.h"
+#include "nsISupports.h"
+#include "mozilla/dom/PerformanceObserverBinding.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;
+class WorkerPrivate;
+
+class PerformanceObserver final : public nsISupports, public nsWrapperCache {
+ public:
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+ NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(PerformanceObserver)
+
+ static already_AddRefed<PerformanceObserver> Constructor(
+ const GlobalObject& aGlobal, PerformanceObserverCallback& aCb,
+ ErrorResult& aRv);
+
+ PerformanceObserver(nsPIDOMWindowInner* aOwner,
+ PerformanceObserverCallback& aCb);
+
+ PerformanceObserver(WorkerPrivate* aWorkerPrivate,
+ PerformanceObserverCallback& aCb);
+
+ virtual JSObject* WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) override;
+
+ nsISupports* GetParentObject() const { return mOwner; }
+
+ void Observe(const PerformanceObserverInit& aOptions, ErrorResult& aRv);
+ static void GetSupportedEntryTypes(const GlobalObject& aGlobal,
+ JS::MutableHandle<JSObject*> aObject);
+
+ void Disconnect();
+
+ void TakeRecords(nsTArray<RefPtr<PerformanceEntry>>& aRetval);
+
+ MOZ_CAN_RUN_SCRIPT 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