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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 "platform/geometry/FloatPoint.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.
PlatformTouchPoint()42     PlatformTouchPoint()
43         : m_id(0)
44         , m_rotationAngle(0)
45         , m_force(0)
46     {
47     }
48 
id()49     unsigned id() const { return m_id; }
state()50     State state() const { return m_state; }
screenPos()51     FloatPoint screenPos() const { return m_screenPos; }
pos()52     FloatPoint pos() const { return m_pos; }
radius()53     FloatSize radius() const { return m_radius; }
rotationAngle()54     float rotationAngle() const { return m_rotationAngle; }
force()55     float force() const { return m_force; }
56 
57 protected:
58     unsigned m_id;
59     State m_state;
60     FloatPoint m_screenPos;
61     FloatPoint m_pos;
62     FloatSize m_radius;
63     float m_rotationAngle;
64     float m_force;
65 };
66 
67 }
68 
69 #endif // PlatformTouchPoint_h
70