ladybird/Libraries/LibWeb/CSS/StyleValues/CSSHSL.h
Andrew Kaster 6d11414957 LibWeb: Make storage of CSS::StyleValues const-correct
Now we consistently use `RefPtr<StyleValue const>` for all StyleValues.
2025-04-16 10:41:44 -06:00

54 lines
2.2 KiB
C++

/*
* Copyright (c) 2024, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/StyleValues/CSSColorValue.h>
#include <LibWeb/CSS/StyleValues/NumberStyleValue.h>
namespace Web::CSS {
// https://drafts.css-houdini.org/css-typed-om-1/#csshsl
class CSSHSL final : public CSSColorValue {
public:
static ValueComparingNonnullRefPtr<CSSHSL const> create(ValueComparingNonnullRefPtr<CSSStyleValue const> h, ValueComparingNonnullRefPtr<CSSStyleValue const> s, ValueComparingNonnullRefPtr<CSSStyleValue const> l, ValueComparingRefPtr<CSSStyleValue const> alpha, ColorSyntax color_syntax)
{
// alpha defaults to 1
if (!alpha)
return adopt_ref(*new (nothrow) CSSHSL(move(h), move(s), move(l), NumberStyleValue::create(1), color_syntax));
return adopt_ref(*new (nothrow) CSSHSL(move(h), move(s), move(l), alpha.release_nonnull(), color_syntax));
}
virtual ~CSSHSL() override = default;
CSSStyleValue const& h() const { return *m_properties.h; }
CSSStyleValue const& s() const { return *m_properties.s; }
CSSStyleValue const& l() const { return *m_properties.l; }
CSSStyleValue const& alpha() const { return *m_properties.alpha; }
virtual Color to_color(Optional<Layout::NodeWithStyle const&>) const override;
virtual String to_string(SerializationMode) const override;
virtual bool equals(CSSStyleValue const& other) const override;
private:
CSSHSL(ValueComparingNonnullRefPtr<CSSStyleValue const> h, ValueComparingNonnullRefPtr<CSSStyleValue const> s, ValueComparingNonnullRefPtr<CSSStyleValue const> l, ValueComparingNonnullRefPtr<CSSStyleValue const> alpha, ColorSyntax color_syntax)
: CSSColorValue(ColorType::HSL, color_syntax)
, m_properties { .h = move(h), .s = move(s), .l = move(l), .alpha = move(alpha) }
{
}
struct Properties {
ValueComparingNonnullRefPtr<CSSStyleValue const> h;
ValueComparingNonnullRefPtr<CSSStyleValue const> s;
ValueComparingNonnullRefPtr<CSSStyleValue const> l;
ValueComparingNonnullRefPtr<CSSStyleValue const> alpha;
bool operator==(Properties const&) const = default;
} m_properties;
};
}