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      1 /*
      2  * (C) 1999-2003 Lars Knoll (knoll (at) kde.org)
      3  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  */
     20 
     21 #ifndef StyleSheetList_h
     22 #define StyleSheetList_h
     23 
     24 #include "core/css/CSSStyleSheet.h"
     25 #include "core/dom/TreeScope.h"
     26 #include "wtf/Forward.h"
     27 #include "wtf/PassRefPtr.h"
     28 #include "wtf/RefCounted.h"
     29 #include "wtf/Vector.h"
     30 
     31 namespace WebCore {
     32 
     33 class HTMLStyleElement;
     34 class StyleSheet;
     35 
     36 class StyleSheetList : public RefCountedWillBeGarbageCollectedFinalized<StyleSheetList> {
     37 public:
     38     static PassRefPtrWillBeRawPtr<StyleSheetList> create(TreeScope* treeScope) { return adoptRefWillBeNoop(new StyleSheetList(treeScope)); }
     39     ~StyleSheetList();
     40 
     41     unsigned length();
     42     StyleSheet* item(unsigned index);
     43 
     44     HTMLStyleElement* getNamedItem(const AtomicString&) const;
     45 
     46     Document* document() { return m_treeScope ? &m_treeScope->document() : 0; }
     47 
     48 #if !ENABLE(OILPAN)
     49     void detachFromDocument();
     50 #endif
     51 
     52     CSSStyleSheet* anonymousNamedGetter(const AtomicString&);
     53 
     54     void trace(Visitor*);
     55 
     56 private:
     57     StyleSheetList(TreeScope*);
     58     const WillBeHeapVector<RefPtrWillBeMember<StyleSheet> >& styleSheets();
     59 
     60     RawPtrWillBeMember<TreeScope> m_treeScope;
     61 #if !ENABLE(OILPAN)
     62     Vector<RefPtr<StyleSheet> > m_detachedStyleSheets;
     63 #endif
     64 };
     65 
     66 } // namespace WebCore
     67 
     68 #endif // StyleSheetList_h
     69