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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 #include "core/fetch/ResourcePtr.h"
     27 #include "core/fetch/StyleSheetResourceClient.h"
     28 #include "core/xml/XSLStyleSheet.h"
     29 #include "platform/RuntimeEnabledFeatures.h"
     30 #include "wtf/PassOwnPtr.h"
     31 
     32 namespace WebCore {
     33 
     34 class XSLStyleSheetResource;
     35 
     36 class XSLImportRule FINAL : public NoBaseWillBeGarbageCollectedFinalized<XSLImportRule>, private StyleSheetResourceClient {
     37     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
     38 public:
     39     static PassOwnPtrWillBeRawPtr<XSLImportRule> create(XSLStyleSheet* parentSheet, const String& href)
     40     {
     41         ASSERT(RuntimeEnabledFeatures::xsltEnabled());
     42         return adoptPtrWillBeNoop(new XSLImportRule(parentSheet, href));
     43     }
     44 
     45     virtual ~XSLImportRule();
     46     virtual void trace(Visitor*);
     47 
     48     const String& href() const { return m_strHref; }
     49     XSLStyleSheet* styleSheet() const { return m_styleSheet.get(); }
     50 
     51     XSLStyleSheet* parentStyleSheet() const { return m_parentStyleSheet; }
     52     void setParentStyleSheet(XSLStyleSheet* styleSheet) { m_parentStyleSheet = styleSheet; }
     53 
     54     bool isLoading();
     55     void loadSheet();
     56 
     57 private:
     58     XSLImportRule(XSLStyleSheet* parentSheet, const String& href);
     59 
     60     virtual void setXSLStyleSheet(const String& href, const KURL& baseURL, const String& sheet) OVERRIDE;
     61 
     62     RawPtrWillBeMember<XSLStyleSheet> m_parentStyleSheet;
     63     String m_strHref;
     64     RefPtrWillBeMember<XSLStyleSheet> m_styleSheet;
     65     ResourcePtr<XSLStyleSheetResource> m_resource;
     66     bool m_loading;
     67 };
     68 
     69 } // namespace WebCore
     70 
     71 #endif // XSLImportRule_h
     72