ladybird/Userland/Libraries/LibWeb/CSS/CSSGroupingRule.cpp
Sam Atkins c718ba5947 LibWeb: Implement CSSRule.parentRule and .parentStyleSheet
Both of these are supposed to be set when the CSSRule is created. The
spec is silent on setting it when a CSSRule is added to a parent. So,
this is a bit ad-hoc.

The parent rule gets set whenever a rule is added to a new parent. The
parent stylesheet gets set whenever the rule or one of its ancestors is
added to a different stylesheet. There may be some nuance there that
I'm missing, but I'm sure we'll find out quickly once we have WPT
running!
2022-05-11 20:16:10 +02:00

44 lines
1.2 KiB
C++

/*
* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/CSS/CSSGroupingRule.h>
#include <LibWeb/CSS/CSSRuleList.h>
namespace Web::CSS {
CSSGroupingRule::CSSGroupingRule(NonnullRefPtrVector<CSSRule>&& rules)
: m_rules(CSSRuleList::create(move(rules)))
{
for (auto& rule : *m_rules)
rule.set_parent_rule(this);
}
DOM::ExceptionOr<u32> CSSGroupingRule::insert_rule(StringView rule, u32 index)
{
TRY(m_rules->insert_a_css_rule(rule, index));
// NOTE: The spec doesn't say where to set the parent rule, so we'll do it here.
m_rules->item(index)->set_parent_rule(this);
return index;
}
DOM::ExceptionOr<void> CSSGroupingRule::delete_rule(u32 index)
{
return m_rules->remove_a_css_rule(index);
}
void CSSGroupingRule::for_each_effective_style_rule(Function<void(CSSStyleRule const&)> const& callback) const
{
m_rules->for_each_effective_style_rule(callback);
}
void CSSGroupingRule::set_parent_style_sheet(CSSStyleSheet* parent_style_sheet)
{
CSSRule::set_parent_style_sheet(parent_style_sheet);
for (auto& rule : *m_rules)
rule.set_parent_style_sheet(parent_style_sheet);
}
}