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      1 /*
      2  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  */
     19 
     20 #ifndef SVGStaticListPropertyTearOff_h
     21 #define SVGStaticListPropertyTearOff_h
     22 
     23 #if ENABLE(SVG)
     24 #include "SVGListProperty.h"
     25 
     26 namespace WebCore {
     27 
     28 template<typename PropertyType>
     29 class SVGStaticListPropertyTearOff : public SVGListProperty<PropertyType> {
     30 public:
     31     typedef SVGListProperty<PropertyType> Base;
     32 
     33     typedef typename SVGPropertyTraits<PropertyType>::ListItemType ListItemType;
     34     typedef SVGPropertyTearOff<ListItemType> ListItemTearOff;
     35 
     36     static PassRefPtr<SVGStaticListPropertyTearOff<PropertyType> > create(SVGElement* contextElement, PropertyType& values)
     37     {
     38         ASSERT(contextElement);
     39         return adoptRef(new SVGStaticListPropertyTearOff<PropertyType>(contextElement, values));
     40     }
     41 
     42     // SVGList API
     43     void clear(ExceptionCode& ec)
     44     {
     45         Base::clearValues(m_values, ec);
     46     }
     47 
     48     unsigned numberOfItems() const
     49     {
     50         return Base::numberOfItemsValues(m_values);
     51     }
     52 
     53     ListItemType initialize(const ListItemType& newItem, ExceptionCode& ec)
     54     {
     55         return Base::initializeValues(m_values, newItem, ec);
     56     }
     57 
     58     ListItemType getItem(unsigned index, ExceptionCode& ec)
     59     {
     60         return Base::getItemValues(m_values, index, ec);
     61     }
     62 
     63     ListItemType insertItemBefore(const ListItemType& newItem, unsigned index, ExceptionCode& ec)
     64     {
     65         return Base::insertItemBeforeValues(m_values, newItem, index, ec);
     66     }
     67 
     68     ListItemType replaceItem(const ListItemType& newItem, unsigned index, ExceptionCode& ec)
     69     {
     70         return Base::replaceItemValues(m_values, newItem, index, ec);
     71     }
     72 
     73     ListItemType removeItem(unsigned index, ExceptionCode& ec)
     74     {
     75         return Base::removeItemValues(m_values, index, ec);
     76     }
     77 
     78     ListItemType appendItem(const ListItemType& newItem, ExceptionCode& ec)
     79     {
     80         return Base::appendItemValues(m_values, newItem, ec);
     81     }
     82 
     83 private:
     84     SVGStaticListPropertyTearOff(SVGElement* contextElement, PropertyType& values)
     85         : SVGListProperty<PropertyType>(UndefinedRole)
     86         , m_contextElement(contextElement)
     87         , m_values(values)
     88     {
     89     }
     90 
     91     virtual void commitChange()
     92     {
     93         m_values.commitChange(m_contextElement.get());
     94     }
     95 
     96     virtual void processIncomingListItemValue(const ListItemType&, unsigned*)
     97     {
     98         // no-op for static lists
     99     }
    100 
    101     virtual void processIncomingListItemWrapper(RefPtr<ListItemTearOff>&, unsigned*)
    102     {
    103         ASSERT_NOT_REACHED();
    104     }
    105 
    106 private:
    107     RefPtr<SVGElement> m_contextElement;
    108     PropertyType& m_values;
    109 };
    110 
    111 }
    112 
    113 #endif // ENABLE(SVG)
    114 #endif // SVGStaticListPropertyTearOff_h
    115