mirror of
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.
81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
/*
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* Copyright (c) 2022, Andrew Kaster <akaster@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 <LibJS/Runtime/Realm.h>
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#include <LibWeb/Bindings/FileListPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/FileAPI/FileList.h>
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#include <LibWeb/HTML/StructuredSerialize.h>
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namespace Web::FileAPI {
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GC_DEFINE_ALLOCATOR(FileList);
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GC::Ref<FileList> FileList::create(JS::Realm& realm)
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{
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return realm.create<FileList>(realm);
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}
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FileList::FileList(JS::Realm& realm)
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: Bindings::PlatformObject(realm)
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{
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m_legacy_platform_object_flags = LegacyPlatformObjectFlags { .supports_indexed_properties = 1 };
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}
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FileList::~FileList() = default;
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void FileList::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(FileList);
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Base::initialize(realm);
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}
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Optional<JS::Value> FileList::item_value(size_t index) const
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{
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if (index >= m_files.size())
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return {};
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return m_files[index].ptr();
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}
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void FileList::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_files);
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}
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WebIDL::ExceptionOr<void> FileList::serialization_steps(HTML::SerializationRecord& serialized, bool for_storage, HTML::SerializationMemory& memory)
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{
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auto& vm = this->vm();
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// 1. Set serialized.[[Files]] to an empty list.
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// 2. For each file in value, append the sub-serialization of file to serialized.[[Files]].
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HTML::serialize_primitive_type(serialized, m_files.size());
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for (auto& file : m_files)
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serialized.extend(TRY(HTML::structured_serialize_internal(vm, file, for_storage, memory)));
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return {};
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}
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WebIDL::ExceptionOr<void> FileList::deserialization_steps(ReadonlySpan<u32> const& serialized, size_t& position, HTML::DeserializationMemory& memory)
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{
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auto& vm = this->vm();
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auto& realm = *vm.current_realm();
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// 1. For each file of serialized.[[Files]], add the sub-deserialization of file to value.
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auto size = HTML::deserialize_primitive_type<size_t>(serialized, position);
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for (size_t i = 0; i < size; ++i) {
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auto deserialized_record = TRY(HTML::structured_deserialize_internal(vm, serialized, realm, memory, position));
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if (deserialized_record.value.has_value() && is<File>(deserialized_record.value.value().as_object()))
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m_files.append(dynamic_cast<File&>(deserialized_record.value.release_value().as_object()));
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position = deserialized_record.position;
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}
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return {};
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}
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}
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