mirror of
https://github.com/LadybirdBrowser/ladybird
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fd44da6829
Previously, the LibWeb bindings generator would output multiple per interface files like Prototype/Constructor/Namespace/GlobalMixin depending on the contents of that IDL file. This complicates the build system as it means that it does not know what files will be generated without knowledge of the contents of that IDL file. Instead, for each IDL file only generate a single Bindings/<IDLFile>.h and Bindings/<IDLFile>.cpp.
114 lines
4.4 KiB
C++
114 lines
4.4 KiB
C++
/*
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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/PerformanceMark.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/Performance.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/PerformanceMark.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::UserTiming {
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GC_DEFINE_ALLOCATOR(PerformanceMark);
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PerformanceMark::PerformanceMark(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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PerformanceMark::~PerformanceMark() = default;
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// https://w3c.github.io/user-timing/#dfn-performancemark-constructor
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WebIDL::ExceptionOr<GC::Ref<PerformanceMark>> PerformanceMark::construct_impl(JS::Realm& realm, String const& mark_name, Web::UserTiming::PerformanceMarkOptions const& mark_options)
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{
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auto& current_global_object = HTML::current_global_object();
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auto& vm = realm.vm();
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// 1. If the current global object is a Window object and markName uses the same name as a read only attribute in the PerformanceTiming interface, throw a SyntaxError.
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if (is<HTML::Window>(current_global_object)) {
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bool matched = false;
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#define __ENUMERATE_NAVIGATION_TIMING_ENTRY_NAME(name, _) \
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if (mark_name == NavigationTiming::EntryNames::name) \
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matched = true;
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ENUMERATE_NAVIGATION_TIMING_ENTRY_NAMES
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#undef __ENUMERATE_NAVIGATION_TIMING_ENTRY_NAME
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if (matched)
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return WebIDL::SyntaxError::create(realm, Utf16String::formatted("'{}' markName cannot be used in a Window context because it is part of the PerformanceTiming interface", mark_name));
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}
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// NOTE: Step 2 (creating the entry) is done after determining values, as we set the values once during creation and never change them after.
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// 3. Set entry's name attribute to markName.
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auto const& name = mark_name;
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// 4. Set entry's entryType attribute to DOMString "mark".
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// NOTE: Already done via the `entry_type` virtual function.
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// 5. Set entry's startTime attribute as follows:
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HighResolutionTime::DOMHighResTimeStamp start_time { 0.0 };
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// 1. If markOptions's startTime member is present, then:
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if (mark_options.start_time.has_value()) {
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// 1. If markOptions's startTime is negative, throw a TypeError.
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if (mark_options.start_time.value() < 0.0)
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return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "startTime cannot be negative"sv };
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// 2. Otherwise, set entry's startTime to the value of markOptions's startTime.
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start_time = mark_options.start_time.value();
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}
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// 2. Otherwise, set it to the value that would be returned by the Performance object's now() method.
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else {
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start_time = HighResolutionTime::current_high_resolution_time(current_global_object);
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}
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// 6. Set entry's duration attribute to 0.
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constexpr HighResolutionTime::DOMHighResTimeStamp duration = 0.0;
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// 7. If markOptions's detail is null, set entry's detail to null.
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JS::Value detail;
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if (mark_options.detail.is_null()) {
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detail = JS::js_null();
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}
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// 8. Otherwise:
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else {
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// 1. Let record be the result of calling the StructuredSerialize algorithm on markOptions's detail.
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auto record = TRY(HTML::structured_serialize(vm, mark_options.detail));
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// 2. Set entry's detail to the result of calling the StructuredDeserialize algorithm on record and the current realm.
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detail = TRY(HTML::structured_deserialize(vm, record, realm));
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}
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// 2. Create a new PerformanceMark object (entry) with the current global object's realm.
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return realm.create<PerformanceMark>(realm, name, start_time, duration, detail);
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}
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FlyString const& PerformanceMark::entry_type() const
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{
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return PerformanceTimeline::EntryTypes::mark;
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}
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void PerformanceMark::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(PerformanceMark);
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Base::initialize(realm);
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}
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void PerformanceMark::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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