1/* 2 * Copyright (C) 2012 Google 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 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * 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 THE COPYRIGHT HOLDERS ``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 GestureEvent_h 27#define GestureEvent_h 28 29#if ENABLE(GESTURE_EVENTS) 30 31#include "EventDispatcher.h" 32#include "EventNames.h" 33#include "Frame.h" 34#include "FrameView.h" 35#include "MouseRelatedEvent.h" 36#include "PlatformEvent.h" 37#include "PlatformGestureEvent.h" 38 39namespace WebCore { 40 41class GestureEvent : public MouseRelatedEvent { 42public: 43 virtual ~GestureEvent() { } 44 45 static PassRefPtr<GestureEvent> create(); 46 static PassRefPtr<GestureEvent> create(PassRefPtr<AbstractView>, const PlatformGestureEvent&); 47 48 void initGestureEvent(const AtomicString& type, PassRefPtr<AbstractView>, int screenX, int screenY, int clientX, int clientY, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, float deltaX, float deltaY); 49 50 virtual const AtomicString& interfaceName() const; 51 52 float deltaX() const { return m_deltaX; } 53 float deltaY() const { return m_deltaY; } 54 55private: 56 GestureEvent(); 57 GestureEvent(const AtomicString& type, PassRefPtr<AbstractView>, int screenX, int screenY, int clientX, int clientY, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, float deltaX, float deltaY); 58 59 float m_deltaX; 60 float m_deltaY; 61}; 62 63class GestureEventDispatchMediator : public EventDispatchMediator { 64public: 65 static PassRefPtr<GestureEventDispatchMediator> create(PassRefPtr<GestureEvent> gestureEvent) 66 { 67 return adoptRef(new GestureEventDispatchMediator(gestureEvent)); 68 } 69 70private: 71 explicit GestureEventDispatchMediator(PassRefPtr<GestureEvent>); 72 73 GestureEvent* event() const; 74 75 virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE; 76}; 77 78} // namespace WebCore 79 80#endif // ENABLE(GESTURE_EVENTS) 81 82#endif // GestureEvent_h 83