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      1 /*
      2     Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
      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 PlatformTouchPoint_h
     21 #define PlatformTouchPoint_h
     22 
     23 #include "core/platform/graphics/IntPoint.h"
     24 #include "wtf/Vector.h"
     25 
     26 namespace WebCore {
     27 
     28 class PlatformTouchEvent;
     29 
     30 class PlatformTouchPoint {
     31 public:
     32     enum State {
     33         TouchReleased,
     34         TouchPressed,
     35         TouchMoved,
     36         TouchStationary,
     37         TouchCancelled,
     38         TouchStateEnd // Placeholder: must remain the last item.
     39     };
     40 
     41     // This is necessary for us to be able to build synthetic events.
     42     PlatformTouchPoint()
     43         : m_id(0)
     44         , m_radiusY(0)
     45         , m_radiusX(0)
     46         , m_rotationAngle(0)
     47         , m_force(0)
     48     {
     49     }
     50 
     51     unsigned id() const { return m_id; }
     52     State state() const { return m_state; }
     53     IntPoint screenPos() const { return m_screenPos; }
     54     IntPoint pos() const { return m_pos; }
     55     int radiusX() const { return m_radiusX; }
     56     int radiusY() const { return m_radiusY; }
     57     float rotationAngle() const { return m_rotationAngle; }
     58     float force() const { return m_force; }
     59 
     60 protected:
     61     unsigned m_id;
     62     State m_state;
     63     IntPoint m_screenPos;
     64     IntPoint m_pos;
     65     int m_radiusY;
     66     int m_radiusX;
     67     float m_rotationAngle;
     68     float m_force;
     69 };
     70 
     71 }
     72 
     73 #endif // PlatformTouchPoint_h
     74