mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-10-04 23:29:52 +00:00
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++
/*
|
||
* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#include "StylePropertyMapReadOnly.h"
|
||
#include <LibWeb/Bindings/Intrinsics.h>
|
||
#include <LibWeb/Bindings/StylePropertyMapReadOnlyPrototype.h>
|
||
#include <LibWeb/CSS/CSSStyleDeclaration.h>
|
||
#include <LibWeb/CSS/PropertyName.h>
|
||
#include <LibWeb/WebIDL/ExceptionOr.h>
|
||
|
||
namespace Web::CSS {
|
||
|
||
GC_DEFINE_ALLOCATOR(StylePropertyMapReadOnly);
|
||
|
||
GC::Ref<StylePropertyMapReadOnly> StylePropertyMapReadOnly::create_computed_style(JS::Realm& realm, DOM::AbstractElement element)
|
||
{
|
||
return realm.create<StylePropertyMapReadOnly>(realm, element);
|
||
}
|
||
|
||
StylePropertyMapReadOnly::StylePropertyMapReadOnly(JS::Realm& realm, Optional<DOM::AbstractElement> element)
|
||
: Bindings::PlatformObject(realm)
|
||
, m_source_element(move(element))
|
||
{
|
||
}
|
||
|
||
StylePropertyMapReadOnly::StylePropertyMapReadOnly(JS::Realm& realm, GC::Ref<CSSStyleDeclaration> declaration)
|
||
: Bindings::PlatformObject(realm)
|
||
, m_source_declaration(declaration)
|
||
{
|
||
}
|
||
|
||
StylePropertyMapReadOnly::~StylePropertyMapReadOnly() = default;
|
||
|
||
void StylePropertyMapReadOnly::initialize(JS::Realm& realm)
|
||
{
|
||
WEB_SET_PROTOTYPE_FOR_INTERFACE(StylePropertyMapReadOnly);
|
||
Base::initialize(realm);
|
||
}
|
||
|
||
void StylePropertyMapReadOnly::visit_edges(Cell::Visitor& visitor)
|
||
{
|
||
Base::visit_edges(visitor);
|
||
|
||
visitor.visit(m_source_declaration);
|
||
if (m_source_element.has_value())
|
||
m_source_element->visit(visitor);
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymapreadonly-get
|
||
WebIDL::ExceptionOr<Variant<GC::Ref<CSSStyleValue>, Empty>> StylePropertyMapReadOnly::get(String property)
|
||
{
|
||
// The get(property) method, when called on a StylePropertyMapReadOnly this, must perform the following steps:
|
||
|
||
// 1. If property is not a custom property name string, set property to property ASCII lowercased.
|
||
if (!is_a_custom_property_name_string(property))
|
||
property = property.to_ascii_lowercase();
|
||
|
||
// 2. If property is not a valid CSS property, throw a TypeError.
|
||
if (!is_a_valid_css_property(property))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, MUST(String::formatted("'{}' is not a valid CSS property", property)) };
|
||
|
||
// 3. Let props be the value of this’s [[declarations]] internal slot.
|
||
auto& props = m_declarations;
|
||
|
||
// FIXME: 4. If props[property] exists, subdivide into iterations props[property], then reify the first item of the result and return it.
|
||
(void)props;
|
||
|
||
// 5. Otherwise, return undefined.
|
||
return Empty {};
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymapreadonly-getall
|
||
WebIDL::ExceptionOr<Vector<GC::Ref<CSSStyleValue>>> StylePropertyMapReadOnly::get_all(String property)
|
||
{
|
||
// The getAll(property) method, when called on a StylePropertyMap this, must perform the following steps:
|
||
|
||
// 1. If property is not a custom property name string, set property to property ASCII lowercased.
|
||
if (!is_a_custom_property_name_string(property))
|
||
property = property.to_ascii_lowercase();
|
||
|
||
// 2. If property is not a valid CSS property, throw a TypeError.
|
||
if (!is_a_valid_css_property(property))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, MUST(String::formatted("'{}' is not a valid CSS property", property)) };
|
||
|
||
// 3. Let props be the value of this’s [[declarations]] internal slot.
|
||
auto& props = m_declarations;
|
||
|
||
// FIXME: 4. If props[property] exists, subdivide into iterations props[property], then reify each item of the result, and return the list.
|
||
(void)props;
|
||
|
||
// 5. Otherwise, return an empty list.
|
||
return Vector<GC::Ref<CSSStyleValue>> {};
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymapreadonly-has
|
||
WebIDL::ExceptionOr<bool> StylePropertyMapReadOnly::has(String property)
|
||
{
|
||
// The has(property) method, when called on a StylePropertyMapReadOnly this, must perform the following steps:
|
||
|
||
// 1. If property is not a custom property name string, set property to property ASCII lowercased.
|
||
if (!is_a_custom_property_name_string(property))
|
||
property = property.to_ascii_lowercase();
|
||
|
||
// 2. If property is not a valid CSS property, throw a TypeError.
|
||
if (!is_a_valid_css_property(property))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, MUST(String::formatted("'{}' is not a valid CSS property", property)) };
|
||
|
||
// 3. Let props be the value of this’s [[declarations]] internal slot.
|
||
auto& props = m_declarations;
|
||
|
||
// 4. If props[property] exists, return true. Otherwise, return false.
|
||
return props.contains(property);
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymapreadonly-size
|
||
WebIDL::UnsignedLong StylePropertyMapReadOnly::size() const
|
||
{
|
||
// The size attribute, on getting from a StylePropertyMapReadOnly this, must perform the following steps:
|
||
|
||
// 1. Return the size of the value of this’s [[declarations]] internal slot.
|
||
return m_declarations.size();
|
||
}
|
||
|
||
}
|