Source/WebCore/css/typedom/numeric/CSSMathNegate.h

/*
 * Copyright (C) 2021 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 * 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
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 */

#pragma once

#if ENABLE(CSS_TYPED_OM)

#include "CSSMathValue.h"
#include "CSSNumericValue.h"

namespace WebCore {

class CSSNumericValue;

class CSSMathNegate final : public CSSMathValue {
    WTF_MAKE_ISO_ALLOCATED(CSSMathNegate);
public:
    template<typename... Args> static Ref<CSSMathNegate> create(Args&&... args) { return adoptRef(*new CSSMathNegate(std::forward<Args>(args)...)); }
    CSSNumericValue& value() { return m_value.get(); }
    const CSSNumericValue& value() const { return m_value.get(); }

private:
    CSSMathOperator getOperator() const final { return CSSMathOperator::Negate; }
    CSSStyleValueType getType() const final { return CSSStyleValueType::CSSMathNegate; }
    void serialize(StringBuilder&, OptionSet<SerializationArguments>) const final;
    std::optional<SumValue> toSumValue() const final;
    bool equals(const CSSNumericValue& other) const final;

    CSSMathNegate(CSSNumberish&&);
    Ref<CSSNumericValue> m_value;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::CSSMathNegate)
static bool isType(const WebCore::CSSStyleValue& styleValue) { return styleValue.getType() == WebCore::CSSStyleValueType::CSSMathNegate; }
static bool isType(const WebCore::CSSNumericValue& numericValue) { return numericValue.getType() == WebCore::CSSStyleValueType::CSSMathNegate; }
static bool isType(const WebCore::CSSMathValue& mathValue) { return mathValue.getType() == WebCore::CSSStyleValueType::CSSMathNegate; }
SPECIALIZE_TYPE_TRAITS_END()

#endif