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LibWeb: Implement performance.{measure,clearMeasures}
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10 changed files with 371 additions and 4 deletions
51
Userland/Libraries/LibWeb/UserTiming/PerformanceMeasure.cpp
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51
Userland/Libraries/LibWeb/UserTiming/PerformanceMeasure.cpp
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/*
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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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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Bindings/PerformanceMeasurePrototype.h>
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#include <LibWeb/HTML/StructuredSerialize.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/HighResolutionTime/TimeOrigin.h>
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#include <LibWeb/NavigationTiming/EntryNames.h>
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#include <LibWeb/PerformanceTimeline/EntryTypes.h>
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#include <LibWeb/UserTiming/PerformanceMeasure.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::UserTiming {
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PerformanceMeasure::PerformanceMeasure(JS::Realm& realm, String const& name, HighResolutionTime::DOMHighResTimeStamp start_time, HighResolutionTime::DOMHighResTimeStamp duration, JS::Value detail)
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: PerformanceTimeline::PerformanceEntry(realm, name, start_time, duration)
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, m_detail(detail)
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{
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}
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PerformanceMeasure::~PerformanceMeasure() = default;
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WebIDL::ExceptionOr<JS::NonnullGCPtr<PerformanceMeasure>> PerformanceMeasure::create(JS::Realm& realm, String const& measure_name, HighResolutionTime::DOMHighResTimeStamp start_time, HighResolutionTime::DOMHighResTimeStamp duration, JS::Value detail)
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{
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return MUST_OR_THROW_OOM(realm.heap().allocate<PerformanceMeasure>(realm, realm, measure_name, start_time, duration, detail));
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}
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FlyString const& PerformanceMeasure::entry_type() const
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{
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return PerformanceTimeline::EntryTypes::measure;
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}
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JS::ThrowCompletionOr<void> PerformanceMeasure::initialize(JS::Realm& realm)
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{
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MUST_OR_THROW_OOM(Base::initialize(realm));
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set_prototype(&Bindings::ensure_web_prototype<Bindings::PerformanceMeasurePrototype>(realm, "PerformanceMeasure"));
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return {};
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}
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void PerformanceMeasure::visit_edges(JS::Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_detail);
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}
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}
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57
Userland/Libraries/LibWeb/UserTiming/PerformanceMeasure.h
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57
Userland/Libraries/LibWeb/UserTiming/PerformanceMeasure.h
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/*
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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 <LibWeb/PerformanceTimeline/PerformanceEntry.h>
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namespace Web::UserTiming {
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// https://w3c.github.io/user-timing/#dom-performancemeasureoptions
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struct PerformanceMeasureOptions {
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JS::Value detail { JS::js_undefined() };
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Optional<Variant<String, HighResolutionTime::DOMHighResTimeStamp>> start;
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Optional<HighResolutionTime::DOMHighResTimeStamp> duration;
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Optional<Variant<String, HighResolutionTime::DOMHighResTimeStamp>> end;
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};
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// https://w3c.github.io/user-timing/#dom-performancemeasure
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class PerformanceMeasure final : public PerformanceTimeline::PerformanceEntry {
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WEB_PLATFORM_OBJECT(PerformanceMeasure, PerformanceTimeline::PerformanceEntry);
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public:
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virtual ~PerformanceMeasure();
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<PerformanceMeasure>> create(JS::Realm&, String const& measure_name, HighResolutionTime::DOMHighResTimeStamp start_time, HighResolutionTime::DOMHighResTimeStamp duration, JS::Value detail);
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// NOTE: These three functions are answered by the registry for the given entry type.
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// https://w3c.github.io/timing-entrytypes-registry/#registry
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// https://w3c.github.io/timing-entrytypes-registry/#dfn-availablefromtimeline
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static PerformanceTimeline::AvailableFromTimeline available_from_timeline() { return PerformanceTimeline::AvailableFromTimeline::Yes; }
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// https://w3c.github.io/timing-entrytypes-registry/#dfn-maxbuffersize
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// NOTE: The empty state represents Infinite size.
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static Optional<u64> max_buffer_size() { return OptionalNone {}; }
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// https://w3c.github.io/timing-entrytypes-registry/#dfn-should-add-entry
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virtual PerformanceTimeline::ShouldAddEntry should_add_entry() const override { return PerformanceTimeline::ShouldAddEntry::Yes; }
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virtual FlyString const& entry_type() const override;
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JS::Value detail() const { return m_detail; }
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private:
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PerformanceMeasure(JS::Realm&, String const& name, HighResolutionTime::DOMHighResTimeStamp start_time, HighResolutionTime::DOMHighResTimeStamp duration, JS::Value detail);
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virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
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virtual void visit_edges(JS::Cell::Visitor&) override;
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// https://w3c.github.io/user-timing/#dom-performancemeasure-detail
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JS::Value m_detail { JS::js_null() };
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};
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}
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13
Userland/Libraries/LibWeb/UserTiming/PerformanceMeasure.idl
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Userland/Libraries/LibWeb/UserTiming/PerformanceMeasure.idl
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#import <PerformanceTimeline/PerformanceEntry.idl>
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[Exposed=(Window,Worker), UseNewAKString]
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interface PerformanceMeasure : PerformanceEntry {
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readonly attribute any detail;
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};
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dictionary PerformanceMeasureOptions {
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any detail;
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(DOMString or DOMHighResTimeStamp) start;
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DOMHighResTimeStamp duration;
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(DOMString or DOMHighResTimeStamp) end;
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};
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