ladybird/Libraries/LibWeb/CSS/StyleValues/BackgroundSizeStyleValue.cpp
Callum Law 2404f95e03
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LibWeb: Invalidate style for tree counting functions when required
We mark any element that relies on tree counting functions as needing a
style update when a sibling is inserted/removed.
2025-10-20 16:12:08 +01:00

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1.6 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "BackgroundSizeStyleValue.h"
namespace Web::CSS {
BackgroundSizeStyleValue::BackgroundSizeStyleValue(ValueComparingNonnullRefPtr<StyleValue const> size_x, ValueComparingNonnullRefPtr<StyleValue const> size_y)
: StyleValueWithDefaultOperators(Type::BackgroundSize)
, m_properties { .size_x = move(size_x), .size_y = move(size_y) }
{
}
BackgroundSizeStyleValue::~BackgroundSizeStyleValue() = default;
String BackgroundSizeStyleValue::to_string(SerializationMode mode) const
{
if (m_properties.size_x->has_auto() && m_properties.size_y->has_auto())
return "auto"_string;
return MUST(String::formatted("{} {}", m_properties.size_x->to_string(mode), m_properties.size_y->to_string(mode)));
}
ValueComparingNonnullRefPtr<StyleValue const> BackgroundSizeStyleValue::absolutized(ComputationContext const& computation_context, PropertyComputationDependencies& property_computation_dependencies) const
{
auto absolutized_size_x = m_properties.size_x->absolutized(computation_context, property_computation_dependencies);
auto absolutized_size_y = m_properties.size_y->absolutized(computation_context, property_computation_dependencies);
if (absolutized_size_x == m_properties.size_x && absolutized_size_y == m_properties.size_y)
return *this;
return BackgroundSizeStyleValue::create(absolutized_size_x, absolutized_size_y);
}
}