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https://github.com/RGBCube/serenity
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834202aeb9
This needs to happen before prototype/constructor intitialization can be made lazy. Otherwise, GC could run during the C++ constructor and try to collect the object currently being created.
37 lines
860 B
C++
37 lines
860 B
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibCore/ElapsedTimer.h>
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#include <LibWeb/DOM/EventTarget.h>
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namespace Web::HighResolutionTime {
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class Performance final : public DOM::EventTarget {
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WEB_PLATFORM_OBJECT(Performance, DOM::EventTarget);
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public:
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virtual ~Performance() override;
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double now() const { return static_cast<double>(m_timer.elapsed()); }
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double time_origin() const;
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JS::GCPtr<NavigationTiming::PerformanceTiming> timing();
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private:
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explicit Performance(HTML::Window&);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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JS::NonnullGCPtr<HTML::Window> m_window;
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JS::GCPtr<NavigationTiming::PerformanceTiming> m_timing;
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Core::ElapsedTimer m_timer;
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};
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}
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