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      1 /*
      2  * Copyright (C) 2004, 2005, 2006, 2009 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 PlatformMouseEvent_h
     27 #define PlatformMouseEvent_h
     28 
     29 #include "core/platform/PlatformEvent.h"
     30 #include "core/platform/graphics/IntPoint.h"
     31 
     32 namespace WebCore {
     33 
     34     // These button numbers match the ones used in the DOM API, 0 through 2, except for NoButton which isn't specified.
     35     enum MouseButton { NoButton = -1, LeftButton, MiddleButton, RightButton };
     36 
     37     class PlatformMouseEvent : public PlatformEvent {
     38     public:
     39         PlatformMouseEvent()
     40             : PlatformEvent(PlatformEvent::MouseMoved)
     41             , m_button(NoButton)
     42             , m_clickCount(0)
     43             , m_modifierFlags(0)
     44         {
     45         }
     46 
     47         PlatformMouseEvent(const IntPoint& position, const IntPoint& globalPosition, MouseButton button, PlatformEvent::Type type,
     48                            int clickCount, bool shiftKey, bool ctrlKey, bool altKey, bool metaKey, double timestamp)
     49             : PlatformEvent(type, shiftKey, ctrlKey, altKey, metaKey, timestamp)
     50             , m_position(position)
     51             , m_globalPosition(globalPosition)
     52             , m_button(button)
     53             , m_clickCount(clickCount)
     54             , m_modifierFlags(0)
     55         {
     56         }
     57 
     58         const IntPoint& position() const { return m_position; }
     59         const IntPoint& globalPosition() const { return m_globalPosition; }
     60         const IntPoint& movementDelta() const { return m_movementDelta; }
     61 
     62         MouseButton button() const { return m_button; }
     63         int clickCount() const { return m_clickCount; }
     64         unsigned modifierFlags() const { return m_modifierFlags; }
     65 
     66     protected:
     67         IntPoint m_position;
     68         IntPoint m_globalPosition;
     69         IntPoint m_movementDelta;
     70         MouseButton m_button;
     71         int m_clickCount;
     72         unsigned m_modifierFlags;
     73     };
     74 
     75 } // namespace WebCore
     76 
     77 #endif // PlatformMouseEvent_h
     78