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82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
/*
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* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "CSSNumericArray.h"
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#include <LibWeb/Bindings/CSSNumericArrayPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/CSSNumericValue.h>
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namespace Web::CSS {
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GC_DEFINE_ALLOCATOR(CSSNumericArray);
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GC::Ref<CSSNumericArray> CSSNumericArray::create(JS::Realm& realm, Vector<GC::Ref<CSSNumericValue>> values)
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{
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return realm.create<CSSNumericArray>(realm, move(values));
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}
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CSSNumericArray::CSSNumericArray(JS::Realm& realm, Vector<GC::Ref<CSSNumericValue>> values)
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: Bindings::PlatformObject(realm)
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, m_values(move(values))
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{
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m_legacy_platform_object_flags = LegacyPlatformObjectFlags {
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.supports_indexed_properties = true,
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};
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}
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CSSNumericArray::~CSSNumericArray() = default;
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void CSSNumericArray::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSNumericArray);
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Base::initialize(realm);
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}
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void CSSNumericArray::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_values);
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-cssnumericarray-length
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WebIDL::UnsignedLong CSSNumericArray::length() const
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{
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// The length attribute of CSSNumericArray indicates how many CSSNumericValues are contained within the CSSNumericArray.
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return m_values.size();
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#cssnumericarray-indexed-property-getter
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Optional<JS::Value> CSSNumericArray::item_value(size_t index) const
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{
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// The indexed property getter of CSSNumericArray retrieves the CSSNumericValue at the provided index.
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if (auto item = m_values.get(index); item.has_value())
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return item.release_value();
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return {};
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#equal-numeric-value
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bool CSSNumericArray::is_equal_numeric_values(GC::Ref<CSSNumericArray> other) const
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{
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// NB: This is just step 3, moved here to reduce repetition.
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// 3. If value1 and value2 are both CSSMathSums, CSSMathProducts, CSSMathMins, or CSSMathMaxs:
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{
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// 1. If value1’s values and value2s values internal slots have different sizes, return false.
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if (m_values.size() != other->m_values.size())
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return false;
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// 2. If any item in value1’s values internal slot is not an equal numeric value to the item in value2’s values
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// internal slot at the same index, return false.
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for (auto index = 0u; index < m_values.size(); ++index) {
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if (!m_values[index]->is_equal_numeric_value(other->m_values[index]))
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return false;
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}
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// 3. Return true.
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return true;
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}
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}
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}
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