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      1 /*
      2  * (C) 1999-2003 Lars Knoll (knoll (at) kde.org)
      3  * (C) 2002-2003 Dirk Mueller (mueller (at) kde.org)
      4  * Copyright (C) 2002, 2006, 2008, 2012 Apple Inc. All rights reserved.
      5  * Copyright (C) 2006 Samuel Weinig (sam (at) webkit.org)
      6  *
      7  * This library is free software; you can redistribute it and/or
      8  * modify it under the terms of the GNU Library General Public
      9  * License as published by the Free Software Foundation; either
     10  * version 2 of the License, or (at your option) any later version.
     11  *
     12  * This library is distributed in the hope that it will be useful,
     13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15  * Library General Public License for more details.
     16  *
     17  * You should have received a copy of the GNU Library General Public License
     18  * along with this library; see the file COPYING.LIB.  If not, write to
     19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     20  * Boston, MA 02110-1301, USA.
     21  */
     22 
     23 #ifndef CSSMediaRule_h
     24 #define CSSMediaRule_h
     25 
     26 #include "core/css/CSSGroupingRule.h"
     27 #include "core/css/MediaList.h"
     28 
     29 namespace WebCore {
     30 
     31 class StyleRuleMedia;
     32 
     33 class CSSMediaRule FINAL : public CSSGroupingRule {
     34 public:
     35     static PassRefPtrWillBeRawPtr<CSSMediaRule> create(StyleRuleMedia* rule, CSSStyleSheet* sheet)
     36     {
     37         return adoptRefWillBeNoop(new CSSMediaRule(rule, sheet));
     38     }
     39 
     40     virtual ~CSSMediaRule();
     41 
     42     virtual CSSRule::Type type() const OVERRIDE { return MEDIA_RULE; }
     43     virtual void reattach(StyleRuleBase*) OVERRIDE;
     44     virtual String cssText() const OVERRIDE;
     45 
     46     MediaList* media() const;
     47 
     48     virtual void trace(Visitor*) OVERRIDE;
     49 
     50 private:
     51     CSSMediaRule(StyleRuleMedia*, CSSStyleSheet*);
     52 
     53     MediaQuerySet* mediaQueries() const;
     54 
     55     mutable RefPtrWillBeMember<MediaList> m_mediaCSSOMWrapper;
     56 };
     57 
     58 DEFINE_CSS_RULE_TYPE_CASTS(CSSMediaRule, MEDIA_RULE);
     59 
     60 } // namespace WebCore
     61 
     62 #endif // CSSMediaRule_h
     63