Source/WebCore/css/CSSCrossfadeValue.cpp

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#include "config.h"
#include "CSSCrossfadeValue.h"

#include "StyleBuilderState.h"
#include "StyleCrossfadeImage.h"
#include <wtf/text/MakeString.h>

namespace WebCore {

inline CSSCrossfadeValue::CSSCrossfadeValue(Ref<CSSValue>&& fromValueOrNone, Ref<CSSValue>&& toValueOrNone, Ref<CSSPrimitiveValue>&& percentageValue, bool isPrefixed)
    : CSSValue { ClassType::Crossfade }
    , m_fromValueOrNone { WTF::move(fromValueOrNone) }
    , m_toValueOrNone { WTF::move(toValueOrNone) }
    , m_percentageValue { WTF::move(percentageValue) }
    , m_isPrefixed { isPrefixed }
{
}

Ref<CSSCrossfadeValue> CSSCrossfadeValue::create(Ref<CSSValue>&& fromValueOrNone, Ref<CSSValue>&& toValueOrNone, Ref<CSSPrimitiveValue>&& percentageValue, bool isPrefixed)
{
    return adoptRef(*new CSSCrossfadeValue(WTF::move(fromValueOrNone), WTF::move(toValueOrNone), WTF::move(percentageValue), isPrefixed));
}

CSSCrossfadeValue::~CSSCrossfadeValue() = default;

bool CSSCrossfadeValue::equals(const CSSCrossfadeValue& other) const
{
    return equalInputImages(other) && compareCSSValue(m_percentageValue, other.m_percentageValue);
}

bool CSSCrossfadeValue::equalInputImages(const CSSCrossfadeValue& other) const
{
    return compareCSSValue(m_fromValueOrNone, other.m_fromValueOrNone) && compareCSSValue(m_toValueOrNone, other.m_toValueOrNone);
}

String CSSCrossfadeValue::customCSSText(const CSS::SerializationContext& context) const
{
    return makeString(m_isPrefixed ? "-webkit-"_s : ""_s, "cross-fade("_s, m_fromValueOrNone->cssText(context), ", "_s, m_toValueOrNone->cssText(context), ", "_s, m_percentageValue->cssText(context), ')');
}

RefPtr<StyleImage> CSSCrossfadeValue::createStyleImage(const Style::BuilderState& state) const
{
    return StyleCrossfadeImage::create(
        state.createStyleImage(m_fromValueOrNone),
        state.createStyleImage(m_toValueOrNone),
        clampTo<double>(m_percentageValue->valueDividingBy100IfPercentage<double>(state.cssToLengthConversionData()), 0, 1),
        m_isPrefixed
    );
}

} // namespace WebCore