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      1 /*
      2  * This file is part of the XSL implementation.
      3  *
      4  * Copyright (C) 2004, 2006, 2008 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 
     23 #ifndef XSLImportRule_h
     24 #define XSLImportRule_h
     25 
     26 #if ENABLE(XSLT)
     27 
     28 #include "CachedResourceClient.h"
     29 #include "CachedResourceHandle.h"
     30 #include "StyleBase.h"
     31 #include "XSLStyleSheet.h"
     32 
     33 namespace WebCore {
     34 
     35 class CachedXSLStyleSheet;
     36 
     37 class XSLImportRule : public StyleBase, private CachedResourceClient {
     38     WTF_MAKE_FAST_ALLOCATED;
     39 public:
     40     static PassRefPtr<XSLImportRule> create(XSLStyleSheet* parentSheet, const String& href)
     41     {
     42         return adoptRef(new XSLImportRule(parentSheet, href));
     43     }
     44 
     45     virtual ~XSLImportRule();
     46 
     47     const String& href() const { return m_strHref; }
     48     XSLStyleSheet* styleSheet() const { return m_styleSheet.get(); }
     49 
     50     XSLStyleSheet* parentStyleSheet() const;
     51 
     52     bool isLoading();
     53     void loadSheet();
     54 
     55 private:
     56     XSLImportRule(XSLStyleSheet* parentSheet, const String& href);
     57 
     58     virtual bool isImportRule() { return true; }
     59 
     60     // from CachedResourceClient
     61     virtual void setXSLStyleSheet(const String& href, const KURL& baseURL, const String& sheet);
     62 
     63     String m_strHref;
     64     RefPtr<XSLStyleSheet> m_styleSheet;
     65     CachedResourceHandle<CachedXSLStyleSheet> m_cachedSheet;
     66     bool m_loading;
     67 };
     68 
     69 } // namespace WebCore
     70 
     71 #endif // ENABLE(XSLT)
     72 
     73 #endif // XSLImportRule_h
     74