Source/WebCore/css/CSSContentDistributionValue.cpp

/*
 * Copyright (C) 2015 Igalia S.L. 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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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#include "config.h"
#include "CSSContentDistributionValue.h"

#include "CSSValueKeywords.h"
#include <wtf/text/MakeString.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

CSSContentDistributionValue::CSSContentDistributionValue(CSSValueID distribution, CSSValueID position, CSSValueID overflow)
    : CSSValue(ClassType::ContentDistribution)
    , m_distribution(distribution)
    , m_position(position)
    , m_overflow(overflow)
{
}

Ref<CSSContentDistributionValue> CSSContentDistributionValue::create(CSSValueID distribution, CSSValueID position, CSSValueID overflow)
{
    return adoptRef(*new CSSContentDistributionValue(distribution, position, overflow));
}

String CSSContentDistributionValue::customCSSText(const CSS::SerializationContext&) const
{
    auto word1 = m_distribution;
    CSSValueID word2;
    CSSValueID word3;
    switch (m_position) {
    case CSSValueFirstBaseline:
        word2 = CSSValueFirst;
        word3 = CSSValueBaseline;
        break;
    case CSSValueLastBaseline:
        word2 = CSSValueLast;
        word3 = CSSValueBaseline;
        break;
    default:
        word2 = m_overflow;
        word3 = m_position;
        break;
    }
    return makeString(
        word1 == CSSValueInvalid ? ""_s : nameLiteral(word1),
        word1 != CSSValueInvalid && word2 != CSSValueInvalid ? " "_s : ""_s,
        word2 == CSSValueInvalid ? ""_s : nameLiteral(word2),
        word2 != CSSValueInvalid && word3 != CSSValueInvalid ? " "_s : ""_s,
        word3 == CSSValueInvalid ? ""_s : nameLiteral(word3)
    );
}

bool CSSContentDistributionValue::equals(const CSSContentDistributionValue& other) const
{
    return m_distribution == other.m_distribution && m_position == other.m_position && m_overflow == other.m_overflow;
}

}