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- /*
- * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #pragma once
- #include <LibCore/ElapsedTimer.h>
- #include <LibWeb/DOM/EventTarget.h>
- namespace Web::HighResolutionTime {
- class Performance final : public DOM::EventTarget {
- WEB_PLATFORM_OBJECT(Performance, DOM::EventTarget);
- public:
- virtual ~Performance() override;
- double now() const { return static_cast<double>(m_timer.elapsed()); }
- double time_origin() const;
- JS::GCPtr<NavigationTiming::PerformanceTiming> timing();
- private:
- explicit Performance(HTML::Window&);
- virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
- virtual void visit_edges(Cell::Visitor&) override;
- JS::NonnullGCPtr<HTML::Window> m_window;
- JS::GCPtr<NavigationTiming::PerformanceTiming> m_timing;
- Core::ElapsedTimer m_timer;
- };
- }
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