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 #include "core/events/EventDispatcher.h" 30 #include "core/events/MouseRelatedEvent.h" 31 #include "platform/PlatformGestureEvent.h" 32 33 namespace blink { 34 35 class GestureEvent FINAL : public MouseRelatedEvent { 36 public: 37 virtual ~GestureEvent() { } 38 39 static PassRefPtrWillBeRawPtr<GestureEvent> create(PassRefPtrWillBeRawPtr<AbstractView>, const PlatformGestureEvent&); 40 41 virtual bool isGestureEvent() const OVERRIDE; 42 43 virtual const AtomicString& interfaceName() const OVERRIDE; 44 45 float deltaX() const { return m_deltaX; } 46 float deltaY() const { return m_deltaY; } 47 48 virtual void trace(Visitor*) OVERRIDE; 49 50 private: 51 GestureEvent(); 52 GestureEvent(const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView>, int screenX, int screenY, int clientX, int clientY, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, float deltaX, float deltaY); 53 54 float m_deltaX; 55 float m_deltaY; 56 }; 57 58 class GestureEventDispatchMediator FINAL : public EventDispatchMediator { 59 public: 60 static PassRefPtrWillBeRawPtr<GestureEventDispatchMediator> create(PassRefPtrWillBeRawPtr<GestureEvent> gestureEvent) 61 { 62 return adoptRefWillBeNoop(new GestureEventDispatchMediator(gestureEvent)); 63 } 64 65 private: 66 explicit GestureEventDispatchMediator(PassRefPtrWillBeRawPtr<GestureEvent>); 67 68 GestureEvent* event() const; 69 70 virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE; 71 }; 72 73 DEFINE_EVENT_TYPE_CASTS(GestureEvent); 74 75 } // namespace blink 76 77 #endif // GestureEvent_h 78
