162 lines
6.2 KiB
C++
162 lines
6.2 KiB
C++
/*
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* Copyright (C) 2010 Google Inc. All rights reserved.
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* Copyright (C) 2012 Intel Inc. All rights reserved.
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* Copyright (C) 2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "ContextDestructionObserver.h"
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#include "DOMHighResTimeStamp.h"
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#include "EventTarget.h"
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#include "ExceptionOr.h"
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#include "ReducedResolutionSeconds.h"
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#include "ScriptExecutionContext.h"
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#include "Timer.h"
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#include <wtf/ListHashSet.h>
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#include <wtf/Variant.h>
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namespace JSC {
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class JSGlobalObject;
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}
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namespace WebCore {
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class CachedResource;
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class Document;
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class DocumentLoadTiming;
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class DocumentLoader;
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class NetworkLoadMetrics;
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class PerformanceUserTiming;
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class PerformanceEntry;
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class PerformanceMark;
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class PerformanceMeasure;
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class PerformanceNavigation;
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class PerformanceNavigationTiming;
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class PerformanceObserver;
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class PerformancePaintTiming;
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class PerformanceTiming;
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class ResourceResponse;
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class ResourceTiming;
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class ScriptExecutionContext;
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struct PerformanceMarkOptions;
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struct PerformanceMeasureOptions;
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class Performance final : public RefCounted<Performance>, public ContextDestructionObserver, public EventTargetWithInlineData {
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WTF_MAKE_ISO_ALLOCATED(Performance);
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public:
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static Ref<Performance> create(ScriptExecutionContext* context, MonotonicTime timeOrigin) { return adoptRef(*new Performance(context, timeOrigin)); }
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~Performance();
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DOMHighResTimeStamp now() const;
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DOMHighResTimeStamp timeOrigin() const;
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ReducedResolutionSeconds nowInReducedResolutionSeconds() const;
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PerformanceNavigation* navigation();
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PerformanceTiming* timing();
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Vector<RefPtr<PerformanceEntry>> getEntries() const;
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Vector<RefPtr<PerformanceEntry>> getEntriesByType(const String& entryType) const;
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Vector<RefPtr<PerformanceEntry>> getEntriesByName(const String& name, const String& entryType) const;
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void appendBufferedEntriesByType(const String& entryType, Vector<RefPtr<PerformanceEntry>>&, PerformanceObserver&) const;
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void clearResourceTimings();
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void setResourceTimingBufferSize(unsigned);
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ExceptionOr<Ref<PerformanceMark>> mark(JSC::JSGlobalObject&, const String& markName, std::optional<PerformanceMarkOptions>&&);
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void clearMarks(const String& markName);
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using StartOrMeasureOptions = Variant<String, PerformanceMeasureOptions>;
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ExceptionOr<Ref<PerformanceMeasure>> measure(JSC::JSGlobalObject&, const String& measureName, std::optional<StartOrMeasureOptions>&&, const String& endMark);
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void clearMeasures(const String& measureName);
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void addNavigationTiming(DocumentLoader&, Document&, CachedResource&, const DocumentLoadTiming&, const NetworkLoadMetrics&);
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void addResourceTiming(ResourceTiming&&);
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void reportFirstContentfulPaint();
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void removeAllObservers();
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void registerPerformanceObserver(PerformanceObserver&);
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void unregisterPerformanceObserver(PerformanceObserver&);
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static Seconds reduceTimeResolution(Seconds);
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DOMHighResTimeStamp relativeTimeFromTimeOriginInReducedResolution(MonotonicTime) const;
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ScriptExecutionContext* scriptExecutionContext() const final { return ContextDestructionObserver::scriptExecutionContext(); }
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using RefCounted::ref;
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using RefCounted::deref;
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void scheduleNavigationObservationTaskIfNeeded();
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PerformanceNavigationTiming* navigationTiming() { return m_navigationTiming.get(); }
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private:
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Performance(ScriptExecutionContext*, MonotonicTime timeOrigin);
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void contextDestroyed() override;
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EventTargetInterface eventTargetInterface() const final { return PerformanceEventTargetInterfaceType; }
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void refEventTarget() final { ref(); }
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void derefEventTarget() final { deref(); }
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bool isResourceTimingBufferFull() const;
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void resourceTimingBufferFullTimerFired();
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void queueEntry(PerformanceEntry&);
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void scheduleTaskIfNeeded();
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mutable RefPtr<PerformanceNavigation> m_navigation;
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mutable RefPtr<PerformanceTiming> m_timing;
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// https://w3c.github.io/resource-timing/#extensions-performance-interface recommends size of 150.
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Vector<RefPtr<PerformanceEntry>> m_resourceTimingBuffer;
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unsigned m_resourceTimingBufferSize { 150 };
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Timer m_resourceTimingBufferFullTimer;
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Vector<RefPtr<PerformanceEntry>> m_backupResourceTimingBuffer;
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// https://w3c.github.io/resource-timing/#dfn-resource-timing-buffer-full-flag
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bool m_resourceTimingBufferFullFlag { false };
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bool m_waitingForBackupBufferToBeProcessed { false };
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bool m_hasScheduledTimingBufferDeliveryTask { false };
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MonotonicTime m_timeOrigin;
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RefPtr<PerformanceNavigationTiming> m_navigationTiming;
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RefPtr<PerformancePaintTiming> m_firstContentfulPaint;
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std::unique_ptr<PerformanceUserTiming> m_userTiming;
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ListHashSet<RefPtr<PerformanceObserver>> m_observers;
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};
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}
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