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LibWeb: Introduce Performance Timeline and its Performance functions

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Luke Wilde 2023-03-22 19:12:57 +00:00 • committed by Linus Groh
parent 4c3f1481ea
commit 31b507afbf
16 changed files with 381 additions and 1 deletions
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56
Userland/Libraries/LibWeb/PerformanceTimeline/PerformanceEntry.h Normal file
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/*
* Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/HighResolutionTime/DOMHighResTimeStamp.h>
namespace Web::PerformanceTimeline {
enum class AvailableFromTimeline {
No,
Yes,
};
enum class ShouldAddEntry {
No,
Yes,
};
// https://www.w3.org/TR/performance-timeline/#dom-performanceentry
class PerformanceEntry : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(PerformanceEntry, Bindings::PlatformObject);
public:
virtual ~PerformanceEntry();
// https://www.w3.org/TR/performance-timeline/#dom-performanceentry-entrytype
virtual FlyString const& entry_type() const = 0;
String const& name() const { return m_name; }
HighResolutionTime::DOMHighResTimeStamp start_time() const { return m_start_time; }
HighResolutionTime::DOMHighResTimeStamp duration() const { return m_duration; }
// https://w3c.github.io/timing-entrytypes-registry/#dfn-should-add-entry
virtual PerformanceTimeline::ShouldAddEntry should_add_entry() const = 0;
protected:
PerformanceEntry(JS::Realm&, String const& name, HighResolutionTime::DOMHighResTimeStamp start_time, HighResolutionTime::DOMHighResTimeStamp duration);
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
private:
// https://www.w3.org/TR/performance-timeline/#dom-performanceentry-name
String m_name;
// https://www.w3.org/TR/performance-timeline/#dom-performanceentry-starttime
HighResolutionTime::DOMHighResTimeStamp m_start_time { 0.0 };
// https://www.w3.org/TR/performance-timeline/#dom-performanceentry-duration
HighResolutionTime::DOMHighResTimeStamp m_duration { 0.0 };
};
}