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1620fc5bf6
Nothing yet produces this, and the useful parts of get() and get_all() will have to wait until type reification is implemented.
127 lines
5 KiB
C++
127 lines
5 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 "StylePropertyMapReadOnly.h"
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Bindings/StylePropertyMapReadOnlyPrototype.h>
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#include <LibWeb/CSS/CSSStyleDeclaration.h>
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#include <LibWeb/CSS/PropertyName.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::CSS {
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GC_DEFINE_ALLOCATOR(StylePropertyMapReadOnly);
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GC::Ref<StylePropertyMapReadOnly> StylePropertyMapReadOnly::create_computed_style(JS::Realm& realm, DOM::AbstractElement element)
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{
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return realm.create<StylePropertyMapReadOnly>(realm, element);
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}
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StylePropertyMapReadOnly::StylePropertyMapReadOnly(JS::Realm& realm, Optional<DOM::AbstractElement> element)
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: Bindings::PlatformObject(realm)
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, m_source_element(move(element))
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{
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}
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StylePropertyMapReadOnly::StylePropertyMapReadOnly(JS::Realm& realm, GC::Ref<CSSStyleDeclaration> declaration)
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: Bindings::PlatformObject(realm)
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, m_source_declaration(declaration)
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{
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}
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StylePropertyMapReadOnly::~StylePropertyMapReadOnly() = default;
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void StylePropertyMapReadOnly::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(StylePropertyMapReadOnly);
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Base::initialize(realm);
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}
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void StylePropertyMapReadOnly::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_source_declaration);
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if (m_source_element.has_value())
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m_source_element->visit(visitor);
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymapreadonly-get
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WebIDL::ExceptionOr<Variant<GC::Ref<CSSStyleValue>, Empty>> StylePropertyMapReadOnly::get(String property)
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{
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// The get(property) method, when called on a StylePropertyMapReadOnly this, must perform the following steps:
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// 1. If property is not a custom property name string, set property to property ASCII lowercased.
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if (!is_a_custom_property_name_string(property))
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property = property.to_ascii_lowercase();
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// 2. If property is not a valid CSS property, throw a TypeError.
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if (!is_a_valid_css_property(property))
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return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, MUST(String::formatted("'{}' is not a valid CSS property", property)) };
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// 3. Let props be the value of this’s [[declarations]] internal slot.
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auto& props = m_declarations;
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// FIXME: 4. If props[property] exists, subdivide into iterations props[property], then reify the first item of the result and return it.
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(void)props;
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// 5. Otherwise, return undefined.
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return Empty {};
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymapreadonly-getall
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WebIDL::ExceptionOr<Vector<GC::Ref<CSSStyleValue>>> StylePropertyMapReadOnly::get_all(String property)
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{
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// The getAll(property) method, when called on a StylePropertyMap this, must perform the following steps:
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// 1. If property is not a custom property name string, set property to property ASCII lowercased.
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if (!is_a_custom_property_name_string(property))
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property = property.to_ascii_lowercase();
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// 2. If property is not a valid CSS property, throw a TypeError.
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if (!is_a_valid_css_property(property))
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return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, MUST(String::formatted("'{}' is not a valid CSS property", property)) };
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// 3. Let props be the value of this’s [[declarations]] internal slot.
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auto& props = m_declarations;
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// FIXME: 4. If props[property] exists, subdivide into iterations props[property], then reify each item of the result, and return the list.
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(void)props;
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// 5. Otherwise, return an empty list.
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return Vector<GC::Ref<CSSStyleValue>> {};
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymapreadonly-has
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WebIDL::ExceptionOr<bool> StylePropertyMapReadOnly::has(String property)
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{
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// The has(property) method, when called on a StylePropertyMapReadOnly this, must perform the following steps:
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// 1. If property is not a custom property name string, set property to property ASCII lowercased.
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if (!is_a_custom_property_name_string(property))
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property = property.to_ascii_lowercase();
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// 2. If property is not a valid CSS property, throw a TypeError.
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if (!is_a_valid_css_property(property))
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return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, MUST(String::formatted("'{}' is not a valid CSS property", property)) };
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// 3. Let props be the value of this’s [[declarations]] internal slot.
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auto& props = m_declarations;
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// 4. If props[property] exists, return true. Otherwise, return false.
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return props.contains(property);
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymapreadonly-size
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WebIDL::UnsignedLong StylePropertyMapReadOnly::size() const
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{
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// The size attribute, on getting from a StylePropertyMapReadOnly this, must perform the following steps:
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// 1. Return the size of the value of this’s [[declarations]] internal slot.
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return m_declarations.size();
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}
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}
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