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path: root/chromium/third_party/WebKit/Source/core/css/CSSRegionRule.cpp
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/*
 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
 * Copyright (C) 2012 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer.
 * 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 THE COPYRIGHT HOLDER "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 THE COPYRIGHT HOLDER BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "config.h"

#include "core/css/CSSRegionRule.h"

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

namespace WebCore {
CSSRegionRule::CSSRegionRule(StyleRuleRegion* regionRule, CSSStyleSheet* parent)
    : CSSGroupingRule(regionRule, parent)
{
    ASSERT(RuntimeEnabledFeatures::cssRegionsEnabled());
}

String CSSRegionRule::cssText() const
{
    StringBuilder result;
    result.appendLiteral("@-webkit-region ");

    // First add the selectors.
    result.append(toStyleRuleRegion(m_groupRule.get())->selectorList().selectorsText());

    // Then add the rules.
    result.appendLiteral(" { \n");
    appendCssTextForItems(result);
    result.append('}');
    return result.toString();
}

} // namespace WebCore