third_party/WebKit/Source/core/css/CSSSupportsRule.cpp

   1 /* Copyright (C) 2012 Motorola Mobility Inc. All rights reserved.
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   3  * Redistribution and use in source and binary forms, with or without
   4  * modification, are permitted provided that the following conditions are
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   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above
  10  *    copyright notice, this list of conditions and the following disclaimer in
  11  *    the documentation and/or other materials provided with the distribution.
  12  * 3. Neither the name of Motorola Mobility Inc. nor the names of its
  13  *    contributors may be used to endorse or promote products derived from this
  14  *    software without specific prior written permission.
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  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include "config.h"
  30 #include "core/css/CSSSupportsRule.h"
  31
  32 #include "core/css/CSSRule.h"
  33 #include "core/css/StyleRule.h"
  34 #include "wtf/text/StringBuilder.h"
  35
  36 namespace blink {
  37
  38 CSSSupportsRule::CSSSupportsRule(StyleRuleSupports* supportsRule, CSSStyleSheet* parent)
  39     : CSSGroupingRule(supportsRule, parent)
  40 {
  41 }
  42
  43 String CSSSupportsRule::cssText() const
  44 {
  45     StringBuilder result;
  46
  47     result.appendLiteral("@supports ");
  48     result.append(conditionText());
  49     result.appendLiteral(" {\n");
  50     appendCSSTextForItems(result);
  51     result.append('}');
  52
  53     return result.toString();
  54 }
  55
  56 String CSSSupportsRule::conditionText() const
  57 {
  58     return toStyleRuleSupports(m_groupRule.get())->conditionText();
  59 }
  60
  61 } // namespace blink