1/* 2 * Copyright (C) 2006, 2007 Apple 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. 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 APPLE INC. ``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 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#include "config.h" 27#include "OverflowEvent.h" 28 29#include "EventNames.h" 30 31namespace WebCore { 32 33OverflowEventInit::OverflowEventInit() 34 : orient(0) 35 , horizontalOverflow(false) 36 , verticalOverflow(false) 37{ 38} 39 40OverflowEvent::OverflowEvent() 41 : Event(eventNames().overflowchangedEvent, false, false) 42 , m_orient(VERTICAL) 43 , m_horizontalOverflow(false) 44 , m_verticalOverflow(false) 45{ 46} 47 48OverflowEvent::OverflowEvent(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow) 49 : Event(eventNames().overflowchangedEvent, false, false) 50 , m_horizontalOverflow(horizontalOverflow) 51 , m_verticalOverflow(verticalOverflow) 52{ 53 ASSERT(horizontalOverflowChanged || verticalOverflowChanged); 54 55 if (horizontalOverflowChanged && verticalOverflowChanged) 56 m_orient = BOTH; 57 else if (horizontalOverflowChanged) 58 m_orient = HORIZONTAL; 59 else 60 m_orient = VERTICAL; 61} 62 63OverflowEvent::OverflowEvent(const AtomicString& type, const OverflowEventInit& initializer) 64 : Event(type, initializer) 65 , m_orient(initializer.orient) 66 , m_horizontalOverflow(initializer.horizontalOverflow) 67 , m_verticalOverflow(initializer.verticalOverflow) 68{ 69} 70 71EventInterface OverflowEvent::eventInterface() const 72{ 73 return OverflowEventInterfaceType; 74} 75 76void OverflowEvent::initOverflowEvent(unsigned short orient, bool horizontalOverflow, bool verticalOverflow) 77{ 78 if (dispatched()) 79 return; 80 81 m_orient = orient; 82 m_horizontalOverflow = horizontalOverflow; 83 m_verticalOverflow = verticalOverflow; 84} 85 86} 87