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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  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  */
     21 
     22 #ifndef CSSImportRule_h
     23 #define CSSImportRule_h
     24 
     25 #include "core/css/CSSRule.h"
     26 #include "platform/heap/Handle.h"
     27 
     28 namespace WebCore {
     29 
     30 class CSSStyleSheetResource;
     31 class MediaList;
     32 class MediaQuerySet;
     33 class StyleRuleImport;
     34 
     35 class CSSImportRule FINAL : public CSSRule {
     36 public:
     37     static PassRefPtrWillBeRawPtr<CSSImportRule> create(StyleRuleImport* rule, CSSStyleSheet* sheet)
     38     {
     39         return adoptRefWillBeNoop(new CSSImportRule(rule, sheet));
     40     }
     41 
     42     virtual ~CSSImportRule();
     43 
     44     virtual CSSRule::Type type() const OVERRIDE { return IMPORT_RULE; }
     45     virtual String cssText() const OVERRIDE;
     46     virtual void reattach(StyleRuleBase*) OVERRIDE;
     47 
     48     String href() const;
     49     MediaList* media() const;
     50     CSSStyleSheet* styleSheet() const;
     51 
     52     virtual void trace(Visitor*) OVERRIDE;
     53 
     54 private:
     55     CSSImportRule(StyleRuleImport*, CSSStyleSheet*);
     56 
     57     RefPtrWillBeMember<StyleRuleImport> m_importRule;
     58     mutable RefPtrWillBeMember<MediaList> m_mediaCSSOMWrapper;
     59     mutable RefPtrWillBeMember<CSSStyleSheet> m_styleSheetCSSOMWrapper;
     60 };
     61 
     62 DEFINE_CSS_RULE_TYPE_CASTS(CSSImportRule, IMPORT_RULE);
     63 
     64 } // namespace WebCore
     65 
     66 #endif // CSSImportRule_h
     67