third_party/WebKit/Source/platform/PlatformTouchPoint.h

   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 "platform/geometry/FloatPoint.h"
  24 #include "public/platform/WebPointerProperties.h"
  25
  26 namespace blink {
  27
  28 class PlatformTouchPoint {
  29 public:
  30     enum State {
  31         TouchReleased,
  32         TouchPressed,
  33         TouchMoved,
  34         TouchStationary,
  35         TouchCancelled,
  36         TouchStateEnd // Placeholder: must remain the last item.
  37     };
  38
  39     // This is necessary for us to be able to build synthetic events.
  40     PlatformTouchPoint()
  41         : m_rotationAngle(0)
  42     {
  43     }
  44
  45     const WebPointerProperties& pointerProperties() const { return m_pointerProperties; }
  46     int id() const { return pointerProperties().id; }
  47     State state() const { return m_state; }
  48     FloatPoint screenPos() const { return m_screenPos; }
  49     FloatPoint pos() const { return m_pos; }
  50     FloatSize radius() const { return m_radius; }
  51     float rotationAngle() const { return m_rotationAngle; }
  52     float force() const { return pointerProperties().force; }
  53
  54 protected:
  55     WebPointerProperties m_pointerProperties;
  56
  57     State m_state;
  58     FloatPoint m_screenPos;
  59     FloatPoint m_pos;
  60     FloatSize m_radius;
  61     float m_rotationAngle;
  62 };
  63
  64 }
  65
  66 #endif // PlatformTouchPoint_h