Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2001 Peter Kelly (pmk@post.com) |
| 3 | * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de) |
| 4 | * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
| 5 | * Copyright (C) 2003, 2005, 2006, 2008, 2010 Apple Inc. All rights reserved. |
| 6 | * |
| 7 | * This library is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Library General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This library is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Library General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Library General Public License |
| 18 | * along with this library; see the file COPYING.LIB. If not, write to |
| 19 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 20 | * Boston, MA 02110-1301, USA. |
| 21 | */ |
| 22 | |
| 23 | #include "config.h" |
| 24 | #include "core/dom/WheelEvent.h" |
| 25 | |
| 26 | #include "core/dom/Clipboard.h" |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 27 | #include "core/dom/EventNames.h" |
| 28 | #include "core/platform/PlatformWheelEvent.h" |
| 29 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 30 | namespace WebCore { |
| 31 | |
| 32 | WheelEventInit::WheelEventInit() |
| 33 | : wheelDeltaX(0) |
| 34 | , wheelDeltaY(0) |
| 35 | , deltaMode(WheelEvent::DOM_DELTA_PIXEL) |
| 36 | { |
| 37 | } |
| 38 | |
| 39 | WheelEvent::WheelEvent() |
| 40 | : m_deltaMode(DOM_DELTA_PIXEL) |
| 41 | , m_directionInvertedFromDevice(false) |
| 42 | { |
| 43 | ScriptWrappable::init(this); |
| 44 | } |
| 45 | |
| 46 | WheelEvent::WheelEvent(const AtomicString& type, const WheelEventInit& initializer) |
| 47 | : MouseEvent(type, initializer) |
| 48 | , m_wheelDelta(IntPoint(initializer.wheelDeltaX, initializer.wheelDeltaY)) |
| 49 | , m_deltaMode(initializer.deltaMode) |
| 50 | { |
| 51 | ScriptWrappable::init(this); |
| 52 | } |
| 53 | |
| 54 | WheelEvent::WheelEvent(const FloatPoint& wheelTicks, const FloatPoint& rawDelta, unsigned deltaMode, |
| 55 | PassRefPtr<AbstractView> view, const IntPoint& screenLocation, const IntPoint& pageLocation, |
| 56 | bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool directionInvertedFromDevice) |
| 57 | : MouseEvent(eventNames().mousewheelEvent, |
| 58 | true, true, view, 0, screenLocation.x(), screenLocation.y(), |
| 59 | pageLocation.x(), pageLocation.y(), |
| 60 | 0, 0, |
| 61 | ctrlKey, altKey, shiftKey, metaKey, 0, 0, 0, false) |
| 62 | , m_wheelDelta(IntPoint(static_cast<int>(wheelTicks.x() * TickMultiplier), static_cast<int>(wheelTicks.y() * TickMultiplier))) |
| 63 | , m_rawDelta(roundedIntPoint(rawDelta)) |
| 64 | , m_deltaMode(deltaMode) |
| 65 | , m_directionInvertedFromDevice(directionInvertedFromDevice) |
| 66 | { |
| 67 | ScriptWrappable::init(this); |
| 68 | } |
| 69 | |
| 70 | void WheelEvent::initWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtr<AbstractView> view, |
| 71 | int screenX, int screenY, int pageX, int pageY, |
| 72 | bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) |
| 73 | { |
| 74 | if (dispatched()) |
| 75 | return; |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 76 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 77 | initUIEvent(eventNames().mousewheelEvent, true, true, view, 0); |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 78 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 79 | m_screenLocation = IntPoint(screenX, screenY); |
| 80 | m_ctrlKey = ctrlKey; |
| 81 | m_altKey = altKey; |
| 82 | m_shiftKey = shiftKey; |
| 83 | m_metaKey = metaKey; |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 84 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 85 | // Normalize to the Windows 120 multiple |
| 86 | m_wheelDelta = IntPoint(rawDeltaX * TickMultiplier, rawDeltaY * TickMultiplier); |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 87 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 88 | m_rawDelta = IntPoint(rawDeltaX, rawDeltaY); |
| 89 | m_deltaMode = DOM_DELTA_PIXEL; |
| 90 | m_directionInvertedFromDevice = false; |
| 91 | |
| 92 | initCoordinates(IntPoint(pageX, pageY)); |
| 93 | } |
| 94 | |
| 95 | void WheelEvent::initWebKitWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtr<AbstractView> view, |
| 96 | int screenX, int screenY, int pageX, int pageY, |
| 97 | bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) |
| 98 | { |
| 99 | initWheelEvent(rawDeltaX, rawDeltaY, view, screenX, screenY, pageX, pageY, |
| 100 | ctrlKey, altKey, shiftKey, metaKey); |
| 101 | } |
| 102 | |
| 103 | const AtomicString& WheelEvent::interfaceName() const |
| 104 | { |
| 105 | return eventNames().interfaceForWheelEvent; |
| 106 | } |
| 107 | |
| 108 | bool WheelEvent::isMouseEvent() const |
| 109 | { |
| 110 | return false; |
| 111 | } |
| 112 | |
| 113 | inline static unsigned deltaMode(const PlatformWheelEvent& event) |
| 114 | { |
| 115 | return event.granularity() == ScrollByPageWheelEvent ? WheelEvent::DOM_DELTA_PAGE : WheelEvent::DOM_DELTA_PIXEL; |
| 116 | } |
| 117 | |
| 118 | PassRefPtr<WheelEventDispatchMediator> WheelEventDispatchMediator::create(const PlatformWheelEvent& event, PassRefPtr<AbstractView> view) |
| 119 | { |
| 120 | return adoptRef(new WheelEventDispatchMediator(event, view)); |
| 121 | } |
| 122 | |
| 123 | WheelEventDispatchMediator::WheelEventDispatchMediator(const PlatformWheelEvent& event, PassRefPtr<AbstractView> view) |
| 124 | { |
| 125 | if (!(event.deltaX() || event.deltaY())) |
| 126 | return; |
| 127 | |
| 128 | setEvent(WheelEvent::create(FloatPoint(event.wheelTicksX(), event.wheelTicksY()), FloatPoint(event.deltaX(), event.deltaY()), |
| 129 | deltaMode(event), view, event.globalPosition(), event.position(), |
| 130 | event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(), event.directionInvertedFromDevice())); |
| 131 | } |
| 132 | |
| 133 | WheelEvent* WheelEventDispatchMediator::event() const |
| 134 | { |
| 135 | return static_cast<WheelEvent*>(EventDispatchMediator::event()); |
| 136 | } |
| 137 | |
| 138 | bool WheelEventDispatchMediator::dispatchEvent(EventDispatcher* dispatcher) const |
| 139 | { |
| 140 | ASSERT(event()); |
| 141 | return EventDispatchMediator::dispatchEvent(dispatcher) && !event()->defaultHandled(); |
| 142 | } |
| 143 | |
| 144 | } // namespace WebCore |