ladybird/Userland/Libraries/LibWeb/HighResolutionTime/Performance.h
2022-09-06 00:27:09 +02:00

40 lines
909 B
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/StdLibExtras.h>
#include <LibCore/ElapsedTimer.h>
#include <LibWeb/Bindings/Wrappable.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 m_timer.elapsed(); }
double time_origin() const;
JS::GCPtr<NavigationTiming::PerformanceTiming> timing();
private:
explicit Performance(HTML::Window&);
virtual void visit_edges(Cell::Visitor&) override;
JS::NonnullGCPtr<HTML::Window> m_window;
JS::GCPtr<NavigationTiming::PerformanceTiming> m_timing;
Core::ElapsedTimer m_timer;
};
}
WRAPPER_HACK(Performance, Web::HighResolutionTime)