mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-10-05 07:39:16 +00:00
142 lines
6.4 KiB
C++
142 lines
6.4 KiB
C++
/*
|
||
* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#include "StylePropertyMap.h"
|
||
#include <LibWeb/Bindings/Intrinsics.h>
|
||
#include <LibWeb/Bindings/StylePropertyMapPrototype.h>
|
||
#include <LibWeb/CSS/PropertyName.h>
|
||
#include <LibWeb/WebIDL/ExceptionOr.h>
|
||
|
||
namespace Web::CSS {
|
||
|
||
GC_DEFINE_ALLOCATOR(StylePropertyMap);
|
||
|
||
GC::Ref<StylePropertyMap> StylePropertyMap::create(JS::Realm& realm, GC::Ref<CSSStyleDeclaration> declaration)
|
||
{
|
||
return realm.create<StylePropertyMap>(realm, declaration);
|
||
}
|
||
|
||
StylePropertyMap::StylePropertyMap(JS::Realm& realm, GC::Ref<CSSStyleDeclaration> declaration)
|
||
: StylePropertyMapReadOnly(realm, declaration)
|
||
{
|
||
}
|
||
|
||
StylePropertyMap::~StylePropertyMap() = default;
|
||
|
||
void StylePropertyMap::initialize(JS::Realm& realm)
|
||
{
|
||
WEB_SET_PROTOTYPE_FOR_INTERFACE(StylePropertyMap);
|
||
Base::initialize(realm);
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-set
|
||
WebIDL::ExceptionOr<void> StylePropertyMap::set(String property, Vector<Variant<GC::Root<CSSStyleValue>, String>> values)
|
||
{
|
||
// The set(property, ...values) 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)) };
|
||
|
||
// FIXME: 3. If property is a single-valued property and values has more than one item, throw a TypeError.
|
||
|
||
// FIXME: 4. If any of the items in values have a non-null [[associatedProperty]] internal slot, and that slot’s value is anything other than property, throw a TypeError.
|
||
|
||
// FIXME: 5. If the size of values is two or more, and one or more of the items are a CSSUnparsedValue or CSSVariableReferenceValue object, throw a TypeError.
|
||
// NOTE: Having 2+ values implies that you’re setting multiple items of a list-valued property, but the presence of
|
||
// a var() function in the string-based OM disables all syntax parsing, including splitting into individual
|
||
// iterations (because there might be more commas inside of the var() value, so you can’t tell how many items
|
||
// are actually going to show up). This step’s restriction preserves the same semantics in the Typed OM.
|
||
|
||
// 6. Let props be the value of this’s [[declarations]] internal slot.
|
||
auto& props = m_declarations;
|
||
|
||
// 7. If props[property] exists, remove it.
|
||
props.remove(property);
|
||
|
||
// FIXME: 8. Let values to set be an empty list.
|
||
|
||
// FIXME: 9. For each value in values, create an internal representation for property and value, and append the result to values to set.
|
||
(void)values;
|
||
|
||
// FIXME: 10. Set props[property] to values to set.
|
||
// NOTE: The property is deleted then added back so that it gets put at the end of the ordered map, which gives the
|
||
// expected behavior in the face of shorthand properties.
|
||
|
||
return {};
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-append
|
||
WebIDL::ExceptionOr<void> StylePropertyMap::append(String property, Vector<Variant<GC::Root<CSSStyleValue>, String>> values)
|
||
{
|
||
// The append(property, ...values) 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)) };
|
||
|
||
// FIXME: 3. If property is not a list-valued property, throw a TypeError.
|
||
|
||
// FIXME: 4. If any of the items in values have a non-null [[associatedProperty]] internal slot, and that slot’s value is anything other than property, throw a TypeError.
|
||
|
||
// FIXME: 5. If any of the items in values are a CSSUnparsedValue or CSSVariableReferenceValue object, throw a TypeError.
|
||
|
||
// NOTE: When a property is set via string-based APIs, the presence of var() in a property prevents the entire thing from being interpreted. In other words, everything besides the var() is a plain component value, not a meaningful type. This step’s restriction preserves the same semantics in the Typed OM.
|
||
|
||
// 6. Let props be the value of this’s [[declarations]] internal slot.
|
||
auto& props = m_declarations;
|
||
|
||
// FIXME: 7. If props[property] does not exist, set props[property] to an empty list.
|
||
(void)props;
|
||
|
||
// FIXME: 8. If props[property] contains a var() reference, throw a TypeError.
|
||
|
||
// FIXME: 9. Let temp values be an empty list.
|
||
|
||
// FIXME: 10. For each value in values, create an internal representation with property and value, and append the returned value to temp values.
|
||
(void)values;
|
||
|
||
// FIXME: 11. Append the entries of temp values to props[property].
|
||
|
||
return {};
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-delete
|
||
WebIDL::ExceptionOr<void> StylePropertyMap::delete_(String property)
|
||
{
|
||
// The delete(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. If this’s [[declarations]] internal slot contains property, remove it.
|
||
m_declarations.remove(property);
|
||
return {};
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-clear
|
||
void StylePropertyMap::clear()
|
||
{
|
||
// The clear() method, when called on a StylePropertyMap this, must perform the following steps:
|
||
|
||
// 1. Remove all of the declarations in this’s [[declarations]] internal slot.
|
||
m_declarations.clear();
|
||
}
|
||
|
||
}
|