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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <WebCore/StyleLengthWrapper.h>
namespace WebCore {
namespace Style {
struct BorderImageWidthValueLength : LengthWrapperBase<LengthPercentage<CSS::Nonnegative>> {
using Base::Base;
};
// <border-image-width-value> = <length-percentage [0,∞]> | <number [0,∞]> | auto
struct BorderImageWidthValue {
using LengthPercentage = BorderImageWidthValueLength;
using Number = Style::Number<CSS::Nonnegative, float>;
BorderImageWidthValue(CSS::Keyword::Auto keyword)
: m_value { keyword }
{
}
BorderImageWidthValue(LengthPercentage&& length)
: m_value { WTFMove(length) }
{
}
BorderImageWidthValue(CSS::ValueLiteral<CSS::LengthUnit::Px> literal)
: m_value { LengthPercentage { literal } }
{
}
BorderImageWidthValue(CSS::ValueLiteral<CSS::PercentageUnit::Percentage> literal)
: m_value { LengthPercentage { literal } }
{
}
BorderImageWidthValue(Number number)
: m_value { number }
{
}
BorderImageWidthValue(CSS::ValueLiteral<CSS::NumberUnit::Number> literal)
: m_value { Number { literal } }
{
}
bool isAuto() const { return WTF::holdsAlternative<CSS::Keyword::Auto>(m_value); }
bool isLengthPercentage() const { return WTF::holdsAlternative<LengthPercentage>(m_value); }
bool isNumber() const { return WTF::holdsAlternative<Number>(m_value); }
std::optional<LengthPercentage::Fixed> tryFixed() const
{
if (auto* length = std::get_if<LengthPercentage>(&m_value))
return length->tryFixed();
return { };
}
bool isFixed() const
{
if (auto* length = std::get_if<LengthPercentage>(&m_value))
return length->isFixed();
return false;
}
bool isCalculated() const
{
if (auto* length = std::get_if<LengthPercentage>(&m_value))
return length->isCalculated();
return false;
}
template<typename... F> decltype(auto) switchOn(F&&... f) const
{
return WTF::switchOn(m_value, std::forward<F>(f)...);
}
bool operator==(const BorderImageWidthValue&) const = default;
bool hasSameType(const BorderImageWidthValue& other) const { return m_value.index() == other.m_value.index(); }
private:
friend struct Blending<BorderImageWidthValue>;
Variant<CSS::Keyword::Auto, LengthPercentage, Number> m_value { Number { 1 } };
};
// <'border-image-width'> = [ <length-percentage [0,∞]> | <number [0,∞]> | auto ]{1,4}
// https://drafts.csswg.org/css-backgrounds/#propdef-border-image-width
struct BorderImageWidth {
using Value = BorderImageWidthValue;
using Edges = MinimallySerializingSpaceSeparatedRectEdges<Value>;
Edges values { Value::Number { 1 } };
bool legacyWebkitBorderImage { false };
BorderImageWidth(Edges values, bool legacyWebkitBorderImage = false)
: values { WTFMove(values) }
, legacyWebkitBorderImage { legacyWebkitBorderImage }
{
}
BorderImageWidth(Value top, Value right, Value bottom, Value left, bool legacyWebkitBorderImage = false)
: values { WTFMove(top), WTFMove(right), WTFMove(bottom), WTFMove(left) }
, legacyWebkitBorderImage { legacyWebkitBorderImage }
{
}
BorderImageWidth(Value value, bool legacyWebkitBorderImage = false)
: values { WTFMove(value) }
, legacyWebkitBorderImage { legacyWebkitBorderImage }
{
}
BorderImageWidth(CSS::Keyword::Auto keyword, bool legacyWebkitBorderImage = false)
: values { keyword }
, legacyWebkitBorderImage { legacyWebkitBorderImage }
{
}
BorderImageWidth(Value::LengthPercentage&& lengthPercentage, bool legacyWebkitBorderImage = false)
: values { WTFMove(lengthPercentage) }
, legacyWebkitBorderImage { legacyWebkitBorderImage }
{
}
BorderImageWidth(CSS::ValueLiteral<CSS::LengthUnit::Px> literal, bool legacyWebkitBorderImage = false)
: values { literal }
, legacyWebkitBorderImage { legacyWebkitBorderImage }
{
}
BorderImageWidth(CSS::ValueLiteral<CSS::PercentageUnit::Percentage> literal, bool legacyWebkitBorderImage = false)
: values { literal }
, legacyWebkitBorderImage { legacyWebkitBorderImage }
{
}
BorderImageWidth(Value::Number number, bool legacyWebkitBorderImage = false)
: values { number }
, legacyWebkitBorderImage { legacyWebkitBorderImage }
{
}
BorderImageWidth(CSS::ValueLiteral<CSS::NumberUnit::Number> literal, bool legacyWebkitBorderImage = false)
: values { literal }
, legacyWebkitBorderImage { legacyWebkitBorderImage }
{
}
bool overridesBorderWidths() const { return legacyWebkitBorderImage; }
bool operator==(const BorderImageWidth&) const = default;
};
DEFINE_TYPE_WRAPPER_GET(BorderImageWidth, values);
// MARK: - Conversion
template<> struct CSSValueConversion<BorderImageWidth> { auto operator()(BuilderState&, const CSSValue&) -> BorderImageWidth; };
template<> struct CSSValueCreation<BorderImageWidth> { auto operator()(CSSValuePool&, const RenderStyle&, const BorderImageWidth&) -> Ref<CSSValue>; };
// MARK: - Blending
template<> struct Blending<BorderImageWidthValue> {
auto canBlend(const BorderImageWidthValue&, const BorderImageWidthValue&) -> bool;
auto requiresInterpolationForAccumulativeIteration(const BorderImageWidthValue&, const BorderImageWidthValue&) -> bool;
auto blend(const BorderImageWidthValue&, const BorderImageWidthValue&, const BlendingContext&) -> BorderImageWidthValue;
};
template<> struct Blending<BorderImageWidth> {
auto canBlend(const BorderImageWidth&, const BorderImageWidth&) -> bool;
auto requiresInterpolationForAccumulativeIteration(const BorderImageWidth&, const BorderImageWidth&) -> bool;
auto blend(const BorderImageWidth&, const BorderImageWidth&, const BlendingContext&) -> BorderImageWidth;
};
} // namespace Style
} // namespace WebCore
DEFINE_TUPLE_LIKE_CONFORMANCE_FOR_TYPE_WRAPPER(WebCore::Style::BorderImageWidth)
DEFINE_VARIANT_LIKE_CONFORMANCE(WebCore::Style::BorderImageWidthValueLength)
DEFINE_VARIANT_LIKE_CONFORMANCE(WebCore::Style::BorderImageWidthValue)
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