SVGDecoratedEnumeration.h   [plain text]


/*
 * Copyright (C) 2019 Apple Inc.  All rights reserved.
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#pragma once

#include "SVGDecoratedPrimitive.h"

namespace WebCore {

template<typename DecorationType, typename EnumType>
class SVGDecoratedEnumeration : public SVGDecoratedPrimitive<DecorationType, EnumType> {
    using Base = SVGDecoratedPrimitive<DecorationType, EnumType>;
    using Base::Base;
    using Base::m_value;

public:
    static auto create(const EnumType& value)
    {
        static_assert(std::is_integral<DecorationType>::value, "DecorationType form enum should be integral.");
        return adoptRef(*new SVGDecoratedEnumeration(value));
    }

private:
    bool setValue(const DecorationType& value) override
    {
        if (!value || value > SVGIDLEnumLimits<EnumType>::highestExposedEnumValue())
            return false;
        Base::setValueInternal(value);
        return true;
    }

    DecorationType value() const override
    {
        if (Base::value() > SVGIDLEnumLimits<EnumType>::highestExposedEnumValue())
            return m_outOfRangeEnumValue;
        return Base::value();
    }

    Ref<SVGDecoratedProperty<DecorationType>> clone() override
    {
        return create(m_value);
    }

    static const DecorationType m_outOfRangeEnumValue = 0;
};

}