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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 SVGPathSegWithContext_h
     21 #define SVGPathSegWithContext_h
     22 
     23 #include "core/svg/properties/SVGAnimatedPathSegListPropertyTearOff.h"
     24 
     25 namespace WebCore {
     26 
     27 class SVGPathSegWithContext : public SVGPathSeg {
     28 public:
     29     SVGPathSegWithContext(SVGPathElement* element, SVGPathSegRole role)
     30         : m_role(role)
     31         , m_element(element)
     32     {
     33     }
     34 
     35     SVGAnimatedProperty* animatedProperty() const
     36     {
     37         switch (m_role) {
     38         case PathSegUndefinedRole:
     39             return 0;
     40         case PathSegUnalteredRole:
     41             return SVGAnimatedProperty::lookupWrapper<SVGPathElement, SVGAnimatedPathSegListPropertyTearOff>(m_element, SVGPathElement::dPropertyInfo());
     42         case PathSegNormalizedRole:
     43             // FIXME: https://bugs.webkit.org/show_bug.cgi?id=15412 - Implement normalized path segment lists!
     44             return 0;
     45         };
     46 
     47         return 0;
     48     }
     49 
     50     SVGPathElement* contextElement() const { return m_element; }
     51     SVGPathSegRole role() const { return m_role; }
     52 
     53     void setContextAndRole(SVGPathElement* element, SVGPathSegRole role)
     54     {
     55         m_role = role;
     56         m_element = element;
     57     }
     58 
     59 protected:
     60     void commitChange()
     61     {
     62         if (!m_element) {
     63             ASSERT(m_role == PathSegUndefinedRole);
     64             return;
     65         }
     66 
     67         m_element->pathSegListChanged(m_role);
     68     }
     69 
     70 private:
     71     SVGPathSegRole m_role;
     72     SVGPathElement* m_element;
     73 };
     74 
     75 class SVGPathSegSingleCoordinate : public SVGPathSegWithContext {
     76 public:
     77     float x() const { return m_x; }
     78     void setX(float x)
     79     {
     80         m_x = x;
     81         commitChange();
     82     }
     83 
     84     float y() const { return m_y; }
     85     void setY(float y)
     86     {
     87         m_y = y;
     88         commitChange();
     89     }
     90 
     91 protected:
     92     SVGPathSegSingleCoordinate(SVGPathElement* element, SVGPathSegRole role, float x, float y)
     93         : SVGPathSegWithContext(element, role)
     94         , m_x(x)
     95         , m_y(y)
     96     {
     97     }
     98 
     99 private:
    100     float m_x;
    101     float m_y;
    102 };
    103 
    104 } // namespace WebCore
    105 
    106 #endif
    107