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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 "public/platform/WebPointerProperties.h" | |
25 | |
26 namespace blink { | |
27 | |
28 class PlatformTouchPoint { | |
29 public: | |
30 enum TouchState { | |
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() : m_rotationAngle(0) {} | |
41 | |
42 const WebPointerProperties& pointerProperties() const { | |
43 return m_pointerProperties; | |
44 } | |
45 int id() const { return pointerProperties().id; } | |
46 TouchState state() const { return m_state; } | |
47 FloatPoint screenPos() const { return m_screenPos; } | |
48 FloatPoint pos() const { return m_pos; } | |
49 FloatSize radius() const { return m_radius; } | |
50 float rotationAngle() const { return m_rotationAngle; } | |
51 float force() const { | |
52 ASSERT(!std::isnan(pointerProperties().force)); | |
53 return pointerProperties().force; | |
54 } | |
55 | |
56 protected: | |
57 WebPointerProperties m_pointerProperties; | |
58 | |
59 TouchState m_state; | |
60 FloatPoint m_screenPos; | |
61 FloatPoint m_pos; | |
62 FloatSize m_radius; | |
63 float m_rotationAngle; | |
64 }; | |
65 | |
66 } // namespace blink | |
67 | |
68 #endif // PlatformTouchPoint_h | |
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