ladybird/Libraries/LibWeb/CSS/StyleValues/CSSHWB.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
2.1 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/#csshwb
class CSSHWB final : public CSSColorValue {
public:
static ValueComparingNonnullRefPtr<CSSHWB const> create(ValueComparingNonnullRefPtr<CSSStyleValue const> h, ValueComparingNonnullRefPtr<CSSStyleValue const> w, ValueComparingNonnullRefPtr<CSSStyleValue const> b, ValueComparingRefPtr<CSSStyleValue const> alpha = {})
{
// alpha defaults to 1
if (!alpha)
return adopt_ref(*new (nothrow) CSSHWB(move(h), move(w), move(b), NumberStyleValue::create(1)));
return adopt_ref(*new (nothrow) CSSHWB(move(h), move(w), move(b), alpha.release_nonnull()));
}
virtual ~CSSHWB() override = default;
CSSStyleValue const& h() const { return *m_properties.h; }
CSSStyleValue const& w() const { return *m_properties.w; }
CSSStyleValue const& b() const { return *m_properties.b; }
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:
CSSHWB(ValueComparingNonnullRefPtr<CSSStyleValue const> h, ValueComparingNonnullRefPtr<CSSStyleValue const> w, ValueComparingNonnullRefPtr<CSSStyleValue const> b, ValueComparingNonnullRefPtr<CSSStyleValue const> alpha)
: CSSColorValue(ColorType::HWB, ColorSyntax::Modern)
, m_properties { .h = move(h), .w = move(w), .b = move(b), .alpha = move(alpha) }
{
}
struct Properties {
ValueComparingNonnullRefPtr<CSSStyleValue const> h;
ValueComparingNonnullRefPtr<CSSStyleValue const> w;
ValueComparingNonnullRefPtr<CSSStyleValue const> b;
ValueComparingNonnullRefPtr<CSSStyleValue const> alpha;
bool operator==(Properties const&) const = default;
} m_properties;
};
}