Source/WebCore/css/CSSCustomPropertyDeclaration.h

// Copyright 2015 The Chromium Authors. All rights reserved.
// Copyright (C) 2016 Apple Inc. All rights reserved.
//
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#pragma once

#include "CSSValue.h"
#include "CSSVariableData.h"
#include <wtf/RefPtr.h>
#include <wtf/text/AtomicString.h>

namespace WebCore {

class CSSCustomPropertyDeclaration : public CSSValue {
public:
    static Ref<CSSCustomPropertyDeclaration> create(const AtomicString& name, Ref<CSSVariableData>&& value)
    {
        return adoptRef(*new CSSCustomPropertyDeclaration(name, WTFMove(value)));
    }

    static Ref<CSSCustomPropertyDeclaration> create(const AtomicString& name, CSSValueID id)
    {
        return adoptRef(*new CSSCustomPropertyDeclaration(name, id));
    }

    const AtomicString& name() const { return m_name; }
    CSSVariableData* value() const { return m_value.get(); }
    CSSValueID id() const { return m_valueId; }
    String customCSSText() const;

    bool equals(const CSSCustomPropertyDeclaration& other) const { return this == &other; }

private:
    CSSCustomPropertyDeclaration(const AtomicString& name, CSSValueID id)
        : CSSValue(CustomPropertyDeclarationClass)
        , m_name(name)
        , m_value(nullptr)
        , m_valueId(id)
    {
        ASSERT(id == CSSValueInherit || id == CSSValueInitial || id == CSSValueUnset || id == CSSValueRevert);
    }

    CSSCustomPropertyDeclaration(const AtomicString& name, Ref<CSSVariableData>&& value)
        : CSSValue(CustomPropertyDeclarationClass)
        , m_name(name)
        , m_value(WTFMove(value))
        , m_valueId(CSSValueInternalVariableValue)
    {
    }

    const AtomicString m_name;
    RefPtr<CSSVariableData> m_value;
    CSSValueID m_valueId;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSCustomPropertyDeclaration, isCustomPropertyDeclaration())