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LibWeb: Implement performance.mark and performance.clearMarks

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Luke Wilde 2023-03-23 17:07:52 +00:00 • committed by Linus Groh
parent 89ebef9730
commit cbe0901706
13 changed files with 341 additions and 0 deletions
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55
Userland/Libraries/LibWeb/UserTiming/PerformanceMark.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/PerformanceTimeline/PerformanceEntry.h>
namespace Web::UserTiming {
// https://w3c.github.io/user-timing/#ref-for-dom-performancemarkoptions-1
struct PerformanceMarkOptions {
JS::Value detail { JS::js_null() };
Optional<HighResolutionTime::DOMHighResTimeStamp> start_time;
};
// https://w3c.github.io/user-timing/#dom-performancemark
class PerformanceMark final : public PerformanceTimeline::PerformanceEntry {
WEB_PLATFORM_OBJECT(PerformanceMark, PerformanceTimeline::PerformanceEntry);
public:
virtual ~PerformanceMark();
static WebIDL::ExceptionOr<JS::NonnullGCPtr<PerformanceMark>> construct_impl(JS::Realm&, String const& mark_name, PerformanceMarkOptions const& mark_options = {});
// NOTE: These three functions are answered by the registry for the given entry type.
// https://w3c.github.io/timing-entrytypes-registry/#registry
// https://w3c.github.io/timing-entrytypes-registry/#dfn-availablefromtimeline
static PerformanceTimeline::AvailableFromTimeline available_from_timeline() { return PerformanceTimeline::AvailableFromTimeline::Yes; }
// https://w3c.github.io/timing-entrytypes-registry/#dfn-maxbuffersize
// NOTE: The empty state represents Infinite size.
static Optional<u64> max_buffer_size() { return OptionalNone {}; }
// https://w3c.github.io/timing-entrytypes-registry/#dfn-should-add-entry
virtual PerformanceTimeline::ShouldAddEntry should_add_entry() const override { return PerformanceTimeline::ShouldAddEntry::Yes; }
virtual FlyString const& entry_type() const override;
JS::Value detail() const { return m_detail; }
private:
PerformanceMark(JS::Realm&, String const& name, HighResolutionTime::DOMHighResTimeStamp start_time, HighResolutionTime::DOMHighResTimeStamp duration, JS::Value detail);
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
virtual void visit_edges(JS::Cell::Visitor&) override;
// https://w3c.github.io/user-timing/#dom-performancemark-detail
JS::Value m_detail { JS::js_null() };
};
}