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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 SVGAnimatedPropertyTearOff_h
     21 #define SVGAnimatedPropertyTearOff_h
     22 
     23 #if ENABLE(SVG)
     24 #include "SVGAnimatedProperty.h"
     25 #include "SVGPropertyTearOff.h"
     26 
     27 namespace WebCore {
     28 
     29 template<typename PropertyType>
     30 class SVGAnimatedPropertyTearOff : public SVGAnimatedProperty {
     31 public:
     32     SVGProperty* baseVal()
     33     {
     34         if (!m_baseVal)
     35             m_baseVal = SVGPropertyTearOff<PropertyType>::create(this, BaseValRole, m_property);
     36         return m_baseVal.get();
     37     }
     38 
     39     SVGProperty* animVal()
     40     {
     41         if (!m_animVal)
     42             m_animVal = SVGPropertyTearOff<PropertyType>::create(this, AnimValRole, m_property);
     43         return m_animVal.get();
     44     }
     45 
     46 private:
     47     friend class SVGAnimatedProperty;
     48 
     49     static PassRefPtr<SVGAnimatedPropertyTearOff<PropertyType> > create(SVGElement* contextElement, const QualifiedName& attributeName, PropertyType& property)
     50     {
     51         ASSERT(contextElement);
     52         return adoptRef(new SVGAnimatedPropertyTearOff<PropertyType>(contextElement, attributeName, property));
     53     }
     54 
     55     SVGAnimatedPropertyTearOff(SVGElement* contextElement, const QualifiedName& attributeName, PropertyType& property)
     56         : SVGAnimatedProperty(contextElement, attributeName)
     57         , m_property(property)
     58     {
     59     }
     60 
     61 private:
     62     PropertyType& m_property;
     63 
     64     RefPtr<SVGProperty> m_baseVal;
     65     RefPtr<SVGProperty> m_animVal;
     66 };
     67 
     68 }
     69 
     70 #endif // ENABLE(SVG)
     71 #endif // SVGAnimatedPropertyTearOff_h
     72