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      1 /*
      2  * (C) 1999-2003 Lars Knoll (knoll (at) kde.org)
      3  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 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 CSSValueList_h
     22 #define CSSValueList_h
     23 
     24 #include "CSSValue.h"
     25 #include <wtf/PassRefPtr.h>
     26 #include <wtf/Vector.h>
     27 
     28 namespace WebCore {
     29 
     30 class CSSParserValueList;
     31 
     32 class CSSValueList : public CSSValue {
     33 public:
     34     static PassRefPtr<CSSValueList> createCommaSeparated()
     35     {
     36         return adoptRef(new CSSValueList(false));
     37     }
     38     static PassRefPtr<CSSValueList> createSpaceSeparated()
     39     {
     40         return adoptRef(new CSSValueList(true));
     41     }
     42     static PassRefPtr<CSSValueList> createFromParserValueList(CSSParserValueList* list)
     43     {
     44         return adoptRef(new CSSValueList(list));
     45     }
     46 
     47     virtual ~CSSValueList();
     48 
     49     size_t length() const { return m_values.size(); }
     50     CSSValue* item(unsigned);
     51     CSSValue* itemWithoutBoundsCheck(unsigned index) { return m_values[index].get(); }
     52 
     53     void append(PassRefPtr<CSSValue>);
     54     void prepend(PassRefPtr<CSSValue>);
     55     bool removeAll(CSSValue*);
     56     bool hasValue(CSSValue*);
     57     PassRefPtr<CSSValueList> copy();
     58 
     59     virtual String cssText() const;
     60 
     61     virtual void addSubresourceStyleURLs(ListHashSet<KURL>&, const CSSStyleSheet*);
     62 
     63 protected:
     64     CSSValueList(bool isSpaceSeparated);
     65     CSSValueList(CSSParserValueList*);
     66 
     67 private:
     68     virtual bool isValueList() const { return true; }
     69 
     70     virtual unsigned short cssValueType() const;
     71 
     72     Vector<RefPtr<CSSValue> > m_values;
     73     bool m_isSpaceSeparated;
     74 };
     75 
     76 } // namespace WebCore
     77 
     78 #endif // CSSValueList_h
     79