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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibCore/ElapsedTimer.h>
#include <LibWeb/DOM/EventTarget.h>
#include <LibWeb/UserTiming/PerformanceMark.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();
WebIDL::ExceptionOr<JS::NonnullGCPtr<UserTiming::PerformanceMark>> mark(String const& mark_name, UserTiming::PerformanceMarkOptions const& mark_options = {});
void clear_marks(Optional<String> mark_name);
WebIDL::ExceptionOr<Vector<JS::Handle<PerformanceTimeline::PerformanceEntry>>> get_entries() const;
WebIDL::ExceptionOr<Vector<JS::Handle<PerformanceTimeline::PerformanceEntry>>> get_entries_by_type(String const& type) const;
WebIDL::ExceptionOr<Vector<JS::Handle<PerformanceTimeline::PerformanceEntry>>> get_entries_by_name(String const& name, Optional<String> type) const;
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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