46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2023, Luke Wilde <lukew@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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#include <LibWeb/UserTiming/PerformanceMark.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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WebIDL::ExceptionOr<JS::NonnullGCPtr<UserTiming::PerformanceMark>> mark(String const& mark_name, UserTiming::PerformanceMarkOptions const& mark_options = {});
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void clear_marks(Optional<String> mark_name);
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WebIDL::ExceptionOr<Vector<JS::Handle<PerformanceTimeline::PerformanceEntry>>> get_entries() const;
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WebIDL::ExceptionOr<Vector<JS::Handle<PerformanceTimeline::PerformanceEntry>>> get_entries_by_type(String const& type) const;
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WebIDL::ExceptionOr<Vector<JS::Handle<PerformanceTimeline::PerformanceEntry>>> get_entries_by_name(String const& name, Optional<String> type) const;
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private:
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explicit Performance(HTML::Window&);
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virtual JS::ThrowCompletionOr<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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