text: /**
   * (C) 1999-2003 Lars Knoll (knoll@kde.org)
   * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
   * Copyright (C) 2002, 2005, 2006, 2012 Apple Computer, Inc.
   * Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Library General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Library General Public License for more details.
   *
   * You should have received a copy of the GNU Library General Public License
   * along with this library; see the file COPYING.LIB.  If not, write to
   * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   */
  
  #include "config.h"
  #include "core/css/CSSMediaRule.h"
  
  #include "core/css/StyleRule.h"
  #include "wtf/text/StringBuilder.h"
  
  namespace blink {
  
  CSSMediaRule::CSSMediaRule(StyleRuleMedia* mediaRule, CSSStyleSheet* parent)
      : CSSGroupingRule(mediaRule, parent)
  {
  }
  
  CSSMediaRule::~CSSMediaRule()
  {
  #if !ENABLE(OILPAN)
      if (m_mediaCSSOMWrapper)
          m_mediaCSSOMWrapper->clearParentRule();
  #endif
  }
  
  MediaQuerySet* CSSMediaRule::mediaQueries() const
  {
      return toStyleRuleMedia(m_groupRule.get())->mediaQueries();
  }
  
  String CSSMediaRule::cssText() const
  {
      StringBuilder result;
      result.appendLiteral("@media ");
      if (mediaQueries()) {
          result.append(mediaQueries()->mediaText());
          result.append(' ');
      }
      result.appendLiteral("{ \n");
      appendCSSTextForItems(result);
      result.append('}');
      return result.toString();
  }
  
  MediaList* CSSMediaRule::media() const
  {
      if (!mediaQueries())
          return 0;
      if (!m_mediaCSSOMWrapper)
          m_mediaCSSOMWrapper = MediaList::create(mediaQueries(), const_cast<CSSMediaRule*>(this));
      return m_mediaCSSOMWrapper.get();
  }
  
  void CSSMediaRule::reattach(StyleRuleBase* rule)
  {
      CSSGroupingRule::reattach(rule);
      if (m_mediaCSSOMWrapper && mediaQueries())
          m_mediaCSSOMWrapper->reattach(mediaQueries());
  }
  
  } // namespace blink
  