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https://github.com/LadybirdBrowser/ladybird.git
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a6dfc74e93
Before this change, we were going through the chain of base classes for each IDL interface object and having them set the prototype to their prototype. Instead of doing that, reorder things so that we set the right prototype immediately in Foo::initialize(), and then don't bother in all the base class overrides. This knocks off a ~1% profile item on Speedometer 3.
92 lines
4.1 KiB
C++
92 lines
4.1 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 <AK/QuickSort.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Bindings/PerformanceObserverEntryListPrototype.h>
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#include <LibWeb/PerformanceTimeline/PerformanceEntry.h>
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#include <LibWeb/PerformanceTimeline/PerformanceObserverEntryList.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::PerformanceTimeline {
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GC_DEFINE_ALLOCATOR(PerformanceObserverEntryList);
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PerformanceObserverEntryList::PerformanceObserverEntryList(JS::Realm& realm, Vector<GC::Ref<PerformanceTimeline::PerformanceEntry>>&& entry_list)
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: Bindings::PlatformObject(realm)
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, m_entry_list(move(entry_list))
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{
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}
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PerformanceObserverEntryList::~PerformanceObserverEntryList() = default;
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void PerformanceObserverEntryList::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(PerformanceObserverEntryList);
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Base::initialize(realm);
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}
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void PerformanceObserverEntryList::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_entry_list);
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}
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// https://www.w3.org/TR/performance-timeline/#dfn-filter-buffer-by-name-and-type
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ErrorOr<Vector<GC::Root<PerformanceTimeline::PerformanceEntry>>> filter_buffer_by_name_and_type(Vector<GC::Ref<PerformanceTimeline::PerformanceEntry>> const& buffer, Optional<String> name, Optional<String> type)
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{
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// 1. Let result be an initially empty list.
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Vector<GC::Root<PerformanceTimeline::PerformanceEntry>> result;
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// 2. For each PerformanceEntry entry in buffer, run the following steps:
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for (auto const& entry : buffer) {
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// 1. If type is not null and if type is not identical to entry's entryType attribute, continue to next entry.
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if (type.has_value() && type.value() != entry->entry_type())
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continue;
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// 2. If name is not null and if name is not identical to entry's name attribute, continue to next entry.
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if (name.has_value() && name.value() != entry->name())
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continue;
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// 3. append entry to result.
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TRY(result.try_append(entry));
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}
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// 3. Sort results's entries in chronological order with respect to startTime
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quick_sort(result, [](auto const& left_entry, auto const& right_entry) {
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return left_entry->start_time() < right_entry->start_time();
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});
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// 4. Return result.
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return result;
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}
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// https://w3c.github.io/performance-timeline/#dom-performanceobserverentrylist-getentries
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WebIDL::ExceptionOr<Vector<GC::Root<PerformanceTimeline::PerformanceEntry>>> PerformanceObserverEntryList::get_entries() const
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{
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// Returns a PerformanceEntryList object returned by filter buffer by name and type algorithm with this's entry list,
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// name and type set to null.
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return TRY_OR_THROW_OOM(vm(), filter_buffer_by_name_and_type(m_entry_list, /* name= */ Optional<String> {}, /* type= */ Optional<String> {}));
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}
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// https://w3c.github.io/performance-timeline/#dom-performanceobserverentrylist-getentriesbytype
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WebIDL::ExceptionOr<Vector<GC::Root<PerformanceTimeline::PerformanceEntry>>> PerformanceObserverEntryList::get_entries_by_type(String const& type) const
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{
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// Returns a PerformanceEntryList object returned by filter buffer by name and type algorithm with this's entry list,
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// name set to null, and type set to the method's input type parameter.
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return TRY_OR_THROW_OOM(vm(), filter_buffer_by_name_and_type(m_entry_list, /* name= */ Optional<String> {}, type));
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}
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// https://w3c.github.io/performance-timeline/#dom-performanceobserverentrylist-getentriesbyname
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WebIDL::ExceptionOr<Vector<GC::Root<PerformanceTimeline::PerformanceEntry>>> PerformanceObserverEntryList::get_entries_by_name(String const& name, Optional<String> type) const
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{
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// Returns a PerformanceEntryList object returned by filter buffer by name and type algorithm with this's entry list,
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// name set to the method input name parameter, and type set to null if optional entryType is omitted, or set to the
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// method's input type parameter otherwise.
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return TRY_OR_THROW_OOM(vm(), filter_buffer_by_name_and_type(m_entry_list, name, type));
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}
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}
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