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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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