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      1 /*
      2  * Copyright (C) 2011 Apple Inc.  All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef PlatformGestureEvent_h
     27 #define PlatformGestureEvent_h
     28 
     29 #include "core/platform/PlatformEvent.h"
     30 #include "core/platform/graphics/FloatPoint.h"
     31 #include "core/platform/graphics/IntPoint.h"
     32 #include "core/platform/graphics/IntSize.h"
     33 
     34 namespace WebCore {
     35 
     36 class PlatformGestureEvent : public PlatformEvent {
     37 public:
     38     PlatformGestureEvent()
     39         : PlatformEvent(PlatformEvent::GestureScrollBegin)
     40         , m_deltaX(0)
     41         , m_deltaY(0)
     42     {
     43     }
     44 
     45     PlatformGestureEvent(Type type, const IntPoint& position, const IntPoint& globalPosition, double timestamp, float deltaX, float deltaY, bool shiftKey, bool ctrlKey, bool altKey, bool metaKey)
     46         : PlatformEvent(type, shiftKey, ctrlKey, altKey, metaKey, timestamp)
     47         , m_position(position)
     48         , m_globalPosition(globalPosition)
     49         , m_deltaX(deltaX)
     50         , m_deltaY(deltaY)
     51     {
     52     }
     53 
     54     PlatformGestureEvent(Type type, const IntPoint& position, const IntPoint& globalPosition, double timestamp, const IntSize& area, const FloatPoint& delta, bool shiftKey, bool ctrlKey, bool altKey, bool metaKey)
     55         : PlatformEvent(type, shiftKey, ctrlKey, altKey, metaKey, timestamp)
     56         , m_position(position)
     57         , m_globalPosition(globalPosition)
     58         , m_area(area)
     59         , m_deltaX(delta.x())
     60         , m_deltaY(delta.y())
     61     {
     62     }
     63 
     64     const IntPoint& position() const { return m_position; } // PlatformWindow coordinates.
     65     const IntPoint& globalPosition() const { return m_globalPosition; } // Screen coordinates.
     66 
     67     const IntSize& area() const { return m_area; }
     68 
     69     float deltaX() const { return m_deltaX; }
     70     float deltaY() const { return m_deltaY; }
     71 
     72 protected:
     73     IntPoint m_position;
     74     IntPoint m_globalPosition;
     75     IntSize m_area;
     76     float m_deltaX;
     77     float m_deltaY;
     78 };
     79 
     80 } // namespace WebCore
     81 
     82 #endif // PlatformGestureEvent_h
     83