ladybird/Libraries/LibWeb/CSS/StyleValues/ShadowStyleValue.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

68 lines
2.7 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 <LibWeb/CSS/Serialize.h>
#include <LibWeb/CSS/StyleValues/KeywordStyleValue.h>
#include <LibWeb/CSS/StyleValues/LengthStyleValue.h>
#include <LibWeb/CSS/StyleValues/ShadowStyleValue.h>
namespace Web::CSS {
String ShadowStyleValue::to_string(SerializationMode mode) const
{
StringBuilder builder;
if (m_properties.color)
builder.append(m_properties.color->to_string(mode));
if (!builder.is_empty())
builder.append(' ');
builder.appendff("{} {}", m_properties.offset_x->to_string(mode), m_properties.offset_y->to_string(mode));
if (m_properties.blur_radius)
builder.appendff(" {}", m_properties.blur_radius->to_string(mode));
if (m_properties.spread_distance && m_properties.shadow_type == ShadowType::Normal)
builder.appendff(" {}", m_properties.spread_distance->to_string(mode));
if (m_properties.placement == ShadowPlacement::Inner)
builder.append(" inset"sv);
return MUST(builder.to_string());
}
ValueComparingNonnullRefPtr<StyleValue const> ShadowStyleValue::color() const
{
if (!m_properties.color)
return KeywordStyleValue::create(Keyword::Currentcolor);
return *m_properties.color;
}
ValueComparingNonnullRefPtr<StyleValue const> ShadowStyleValue::blur_radius() const
{
if (!m_properties.blur_radius)
return LengthStyleValue::create(Length::make_px(0));
return *m_properties.blur_radius;
}
ValueComparingNonnullRefPtr<StyleValue const> ShadowStyleValue::spread_distance() const
{
if (!m_properties.spread_distance)
return LengthStyleValue::create(Length::make_px(0));
return *m_properties.spread_distance;
}
ValueComparingNonnullRefPtr<StyleValue const> ShadowStyleValue::absolutized(ComputationContext const& computation_context, PropertyComputationDependencies& property_computation_dependencies) const
{
auto absolutized_offset_x = offset_x()->absolutized(computation_context, property_computation_dependencies);
auto absolutized_offset_y = offset_y()->absolutized(computation_context, property_computation_dependencies);
auto absolutized_blur_radius = blur_radius()->absolutized(computation_context, property_computation_dependencies);
auto absolutized_spread_distance = spread_distance()->absolutized(computation_context, property_computation_dependencies);
return create(m_properties.shadow_type, color(), absolutized_offset_x, absolutized_offset_y, absolutized_blur_radius, absolutized_spread_distance, placement());
}
}