xref: /external/chromium_org/third_party/WebKit/Source/core/css/CSSSupportsRule.cpp

/* Copyright (C) 2012 Motorola Mobility Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above
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 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"
#include "core/css/CSSSupportsRule.h"

#include "core/css/CSSRule.h"
#include "core/css/StyleRule.h"
#include "wtf/text/StringBuilder.h"

namespace WebCore {

CSSSupportsRule::CSSSupportsRule(StyleRuleSupports* supportsRule, CSSStyleSheet* parent)
    : CSSGroupingRule(supportsRule, parent)
{
}

String CSSSupportsRule::cssText() const
{
    StringBuilder result;

    result.append("@supports ");
    result.append(conditionText());
    result.append(" {\n");
    appendCssTextForItems(result);
    result.append('}');

    return result.toString();
}

String CSSSupportsRule::conditionText() const
{
    return toStyleRuleSupports(m_groupRule.get())->conditionText();
}

} // namespace WebCore