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ladybird/Libraries/LibWeb/CSS/CSSMarginRule.cpp
Sam Atkins 870f24f181 LibWeb/CSS: Add basic implementation of CSSMarginRule
This is a bit under-specced, specifically there's no definition of
CSSMarginDescriptors so I've gone with CSSStyleProperties for now. Gets
us 17 WPT subtests.
2025-05-16 11:01:39 +01:00

77 lines
2.5 KiB
C++

/*
* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/CSSMarginRulePrototype.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/CSS/CSSMarginRule.h>
#include <LibWeb/CSS/CSSStyleProperties.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::CSS {
GC_DEFINE_ALLOCATOR(CSSMarginRule);
GC::Ref<CSSMarginRule> CSSMarginRule::create(JS::Realm& realm, FlyString name, GC::Ref<CSSStyleProperties> style)
{
return realm.create<CSSMarginRule>(realm, move(name), style);
}
CSSMarginRule::CSSMarginRule(JS::Realm& realm, FlyString name, GC::Ref<CSSStyleProperties> style)
: CSSRule(realm, Type::Margin)
, m_name(name.to_ascii_lowercase())
, m_style(style)
{
m_style->set_parent_rule(*this);
}
void CSSMarginRule::initialize(JS::Realm& realm)
{
WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSMarginRule);
Base::initialize(realm);
}
String CSSMarginRule::serialized() const
{
// AD-HOC: There is currently no spec for serializing CSSMarginRule.
StringBuilder builder;
builder.appendff("@{} {{ ", m_name);
if (m_style->length() > 0) {
builder.append(m_style->serialized());
builder.append(' ');
}
builder.append('}');
return builder.to_string_without_validation();
}
void CSSMarginRule::visit_edges(Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_style);
}
// https://drafts.csswg.org/css-page-3/#syntax-page-selector
bool is_margin_rule_name(StringView name)
{
return name.equals_ignoring_ascii_case("top-left-corner"sv)
|| name.equals_ignoring_ascii_case("top-left"sv)
|| name.equals_ignoring_ascii_case("top-center"sv)
|| name.equals_ignoring_ascii_case("top-right"sv)
|| name.equals_ignoring_ascii_case("top-right-corner"sv)
|| name.equals_ignoring_ascii_case("bottom-left-corner"sv)
|| name.equals_ignoring_ascii_case("bottom-left"sv)
|| name.equals_ignoring_ascii_case("bottom-center"sv)
|| name.equals_ignoring_ascii_case("bottom-right"sv)
|| name.equals_ignoring_ascii_case("bottom-right-corner"sv)
|| name.equals_ignoring_ascii_case("left-top"sv)
|| name.equals_ignoring_ascii_case("left-middle"sv)
|| name.equals_ignoring_ascii_case("left-bottom"sv)
|| name.equals_ignoring_ascii_case("right-top"sv)
|| name.equals_ignoring_ascii_case("right-middle"sv)
|| name.equals_ignoring_ascii_case("right-bottom"sv);
}
}