Home | History | Annotate | Download | only in svg 
      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 #if ENABLE(SVG)
     24 #include "SVGPathElement.h"
     25 
     26 namespace WebCore {
     27 
     28 class SVGPathSegWithContext : public SVGPathSeg {
     29 public:
     30     SVGPathSegWithContext(SVGPathElement* element, SVGPathSegRole role)
     31         : m_role(role)
     32         , m_element(element)
     33     {
     34     }
     35 
     36     SVGAnimatedProperty* animatedProperty() const
     37     {
     38         switch (m_role) {
     39         case PathSegUndefinedRole:
     40             return 0;
     41         case PathSegUnalteredRole:
     42             return m_element->animatablePathSegList();
     43         case PathSegNormalizedRole:
     44             // FIXME: https://bugs.webkit.org/show_bug.cgi?id=15412 - Implement normalized path segment lists!
     45             return 0;
     46         };
     47 
     48         return 0;
     49     }
     50 
     51     SVGPathElement* contextElement() const { return m_element.get(); }
     52     SVGPathSegRole role() const { return m_role; }
     53 
     54     void setContextAndRole(SVGPathElement* element, SVGPathSegRole role)
     55     {
     56         m_role = role;
     57         m_element = element;
     58     }
     59 
     60 protected:
     61     void commitChange()
     62     {
     63         if (!m_element) {
     64             ASSERT(m_role == PathSegUndefinedRole);
     65             return;
     66         }
     67 
     68         ASSERT(m_role != PathSegUndefinedRole);
     69         m_element->pathSegListChanged(m_role);
     70     }
     71 
     72 private:
     73     SVGPathSegRole m_role;
     74     RefPtr<SVGPathElement> m_element;
     75 };
     76 
     77 class SVGPathSegSingleCoordinate : public SVGPathSegWithContext {
     78 public:
     79     float x() const { return m_x; }
     80     void setX(float x)
     81     {
     82         m_x = x;
     83         commitChange();
     84     }
     85 
     86     float y() const { return m_y; }
     87     void setY(float y)
     88     {
     89         m_y = y;
     90         commitChange();
     91     }
     92 
     93 protected:
     94     SVGPathSegSingleCoordinate(SVGPathElement* element, SVGPathSegRole role, float x, float y)
     95         : SVGPathSegWithContext(element, role)
     96         , m_x(x)
     97         , m_y(y)
     98     {
     99     }
    100 
    101 private:
    102     float m_x;
    103     float m_y;
    104 };
    105 
    106 } // namespace WebCore
    107 
    108 #endif // ENABLE(SVG)
    109 #endif
    110