ladybird/Userland/Libraries/LibWeb/CSS/CSSRule.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

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/*
* Copyright (c) 2021, the SerenityOS developers.
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/CSS/CSSRule.h>
#include <LibWeb/CSS/CSSStyleSheet.h>
namespace Web::CSS {
// https://www.w3.org/TR/cssom/#dom-cssrule-csstext
String CSSRule::css_text() const
{
// The cssText attribute must return a serialization of the CSS rule.
return serialized();
}
// https://www.w3.org/TR/cssom/#dom-cssrule-csstext
void CSSRule::set_css_text(StringView)
{
// On setting the cssText attribute must do nothing.
}
void CSSRule::set_parent_rule(CSSRule* parent_rule)
{
if (parent_rule)
m_parent_rule = parent_rule->make_weak_ptr();
else
m_parent_rule = nullptr;
}
void CSSRule::set_parent_style_sheet(CSSStyleSheet* parent_style_sheet)
{
if (parent_style_sheet)
m_parent_style_sheet = parent_style_sheet->make_weak_ptr();
else
m_parent_style_sheet = nullptr;
}
}