18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2001 Peter Kelly (pmk@post.com) 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de) 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) 5dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block * Copyright (C) 2003, 2005, 2006, 2008, 2010 Apple Inc. All rights reserved. 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is free software; you can redistribute it and/or 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modify it under the terms of the GNU Library General Public 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * License as published by the Free Software Foundation; either 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * version 2 of the License, or (at your option) any later version. 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is distributed in the hope that it will be useful, 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * but WITHOUT ANY WARRANTY; without even the implied warranty of 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Library General Public License for more details. 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * You should have received a copy of the GNU Library General Public License 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * along with this library; see the file COPYING.LIB. If not, write to 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Boston, MA 02110-1301, USA. 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "WheelEvent.h" 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 262daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch#include "EventDispatcher.h" 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "EventNames.h" 282daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch#include "PlatformWheelEvent.h" 292daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <wtf/MathExtras.h> 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectWheelEvent::WheelEvent() 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project : m_wheelDeltaX(0) 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project , m_wheelDeltaY(0) 37dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block , m_rawDeltaX(0) 38dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block , m_rawDeltaY(0) 39dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block , m_granularity(Pixel) 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 43dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve BlockWheelEvent::WheelEvent(float wheelTicksX, float wheelTicksY, float rawDeltaX, float rawDeltaY, 44dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block Granularity granularity, PassRefPtr<AbstractView> view, 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int screenX, int screenY, int pageX, int pageY, 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project : MouseRelatedEvent(eventNames().mousewheelEvent, 48dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block true, true, view, 0, screenX, screenY, pageX, pageY, 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ctrlKey, altKey, shiftKey, metaKey) 508f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian , m_wheelDeltaX(lroundf(wheelTicksX * 120)) 518f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian , m_wheelDeltaY(lroundf(wheelTicksY * 120)) // Normalize to the Windows 120 multiple 52dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block , m_rawDeltaX(rawDeltaX) 53dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block , m_rawDeltaY(rawDeltaY) 54dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block , m_granularity(granularity) 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 58dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Blockvoid WheelEvent::initWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtr<AbstractView> view, 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int screenX, int screenY, int pageX, int pageY, 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (dispatched()) 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return; 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project initUIEvent(eventNames().mousewheelEvent, true, true, view, 0); 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_screenX = screenX; 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_screenY = screenY; 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_ctrlKey = ctrlKey; 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_altKey = altKey; 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_shiftKey = shiftKey; 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_metaKey = metaKey; 73dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block 74dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block // Normalize to the Windows 120 multiple 75dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block m_wheelDeltaX = rawDeltaX * 120; 76dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block m_wheelDeltaY = rawDeltaY * 120; 77dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block 78dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block m_rawDeltaX = rawDeltaX; 79dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block m_rawDeltaY = rawDeltaY; 80dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block m_granularity = Pixel; 818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project initCoordinates(pageX, pageY); 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 85dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Blockvoid WheelEvent::initWebKitWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtr<AbstractView> view, 86dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block int screenX, int screenY, int pageX, int pageY, 87dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) 88dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block{ 89dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block initWheelEvent(rawDeltaX, rawDeltaY, view, screenX, screenY, pageX, pageY, 90dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block ctrlKey, altKey, shiftKey, metaKey); 91dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block} 928e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 938e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectbool WheelEvent::isWheelEvent() const 948e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 958e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return true; 968e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 982daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdochinline static WheelEvent::Granularity granularity(const PlatformWheelEvent& event) 992daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch{ 1002daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return event.granularity() == ScrollByPageWheelEvent ? WheelEvent::Page : WheelEvent::Pixel; 1012daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch} 1022daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 1032daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben MurdochWheelEventDispatchMediator::WheelEventDispatchMediator(const PlatformWheelEvent& event, PassRefPtr<AbstractView> view) 1042daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch{ 1052daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch if (!(event.deltaX() || event.deltaY())) 1062daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return; 1072daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 1082daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch setEvent(WheelEvent::create(event.wheelTicksX(), event.wheelTicksY(), event.deltaX(), event.deltaY(), granularity(event), 1092daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch view, event.globalX(), event.globalY(), event.x(), event.y(), event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey())); 1102daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 1112daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch} 1122daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 1132daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben MurdochWheelEvent* WheelEventDispatchMediator::event() const 1142daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch{ 1152daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return static_cast<WheelEvent*>(EventDispatchMediator::event()); 1162daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch} 1172daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 1182daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdochbool WheelEventDispatchMediator::dispatchEvent(EventDispatcher* dispatcher) const 1192daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch{ 1202daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch if (!event()) 1212daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return true; 1222daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 1232daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return EventDispatchMediator::dispatchEvent(dispatcher) && !event()->defaultHandled(); 1242daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch} 1252daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 1268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace WebCore 127