15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2001 Peter Kelly (pmk@post.com) 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de) 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2010 Apple Inc. All rights reserved. 6e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) * Copyright (C) 2013 Samsung Electronics. All rights reserved. 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef WheelEvent_h 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define WheelEvent_h 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2806f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles)#include "core/events/EventDispatchMediator.h" 2906f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles)#include "core/events/MouseEvent.h" 301e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "platform/geometry/FloatPoint.h" 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 32c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 34926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)class PlatformWheelEvent; 35926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 36926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)struct WheelEventInit : public MouseEventInit { 37926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) WheelEventInit(); 38926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 39e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) double deltaX; 40e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) double deltaY; 41e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) double deltaZ; 42e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) int wheelDeltaX; // Deprecated. 43e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) int wheelDeltaY; // Deprecated. 44926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) unsigned deltaMode; 45926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)}; 46926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 4709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)class WheelEvent FINAL : public MouseEvent { 487242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci DEFINE_WRAPPERTYPEINFO(); 49926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)public: 50926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) enum { TickMultiplier = 120 }; 51926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 52926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) enum DeltaMode { 53926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) DOM_DELTA_PIXEL = 0, 54926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) DOM_DELTA_LINE, 55926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) DOM_DELTA_PAGE 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) }; 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5807a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch static PassRefPtrWillBeRawPtr<WheelEvent> create() 59926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) { 60a9984bf9ddc3cf73fdae3f29134a2bab379e7029Ben Murdoch return adoptRefWillBeNoop(new WheelEvent); 61926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 62926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 6307a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch static PassRefPtrWillBeRawPtr<WheelEvent> create(const AtomicString& type, const WheelEventInit& initializer) 64926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) { 65a9984bf9ddc3cf73fdae3f29134a2bab379e7029Ben Murdoch return adoptRefWillBeNoop(new WheelEvent(type, initializer)); 66926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 67926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 6807a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch static PassRefPtrWillBeRawPtr<WheelEvent> create(const FloatPoint& wheelTicks, 6907a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch const FloatPoint& rawDelta, unsigned deltaMode, PassRefPtrWillBeRawPtr<AbstractView> view, 70926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) const IntPoint& screenLocation, const IntPoint& pageLocation, 71c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) 72926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) { 73a9984bf9ddc3cf73fdae3f29134a2bab379e7029Ben Murdoch return adoptRefWillBeNoop(new WheelEvent(wheelTicks, rawDelta, deltaMode, view, 74c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) screenLocation, pageLocation, ctrlKey, altKey, shiftKey, metaKey)); 75926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 76926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 77e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) double deltaX() const { return m_deltaX; } // Positive when scrolling right. 78e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) double deltaY() const { return m_deltaY; } // Positive when scrolling down. 79e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) double deltaZ() const { return m_deltaZ; } 80e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) int wheelDelta() const { return wheelDeltaY() ? wheelDeltaY() : wheelDeltaX(); } // Deprecated. 81c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) int wheelDeltaX() const { return m_wheelDelta.x(); } // Deprecated, negative when scrolling right. 82c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) int wheelDeltaY() const { return m_wheelDelta.y(); } // Deprecated, negative when scrolling down. 83926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) unsigned deltaMode() const { return m_deltaMode; } 84c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) float ticksX() const { return static_cast<float>(m_wheelDelta.x()) / TickMultiplier; } 85c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) float ticksY() const { return static_cast<float>(m_wheelDelta.y()) / TickMultiplier; } 86926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 8709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual const AtomicString& interfaceName() const OVERRIDE; 881e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) virtual bool isMouseEvent() const OVERRIDE; 891e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) virtual bool isWheelEvent() const OVERRIDE; 90926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 91d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) virtual void trace(Visitor*) OVERRIDE; 92d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 93926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)private: 94926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) WheelEvent(); 95926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) WheelEvent(const AtomicString&, const WheelEventInit&); 96926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) WheelEvent(const FloatPoint& wheelTicks, const FloatPoint& rawDelta, 9707a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch unsigned, PassRefPtrWillBeRawPtr<AbstractView>, const IntPoint& screenLocation, const IntPoint& pageLocation, 98c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) bool ctrlKey, bool altKey, bool shiftKey, bool metaKey); 99926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 100c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) IntPoint m_wheelDelta; 101e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) double m_deltaX; 102e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) double m_deltaY; 103e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) double m_deltaZ; 104926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) unsigned m_deltaMode; 105926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)}; 106926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 107f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)DEFINE_EVENT_TYPE_CASTS(WheelEvent); 1081e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) 10909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)class WheelEventDispatchMediator FINAL : public EventDispatchMediator { 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 1115d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) static PassRefPtrWillBeRawPtr<WheelEventDispatchMediator> create(const PlatformWheelEvent&, PassRefPtrWillBeRawPtr<AbstractView>); 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 11307a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch WheelEventDispatchMediator(const PlatformWheelEvent&, PassRefPtrWillBeRawPtr<AbstractView>); 1145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) WheelEvent* event() const; 115926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE; 1165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 118c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 1195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // WheelEvent_h 121