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 COMPUTER, 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 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 #include "config.h" 27 #include "core/events/OverflowEvent.h" 28 29 namespace blink { 30 31 OverflowEventInit::OverflowEventInit() 32 : orient(0) 33 , horizontalOverflow(false) 34 , verticalOverflow(false) 35 { 36 } 37 38 OverflowEvent::OverflowEvent() 39 : Event(EventTypeNames::overflowchanged, false, false) 40 , m_orient(VERTICAL) 41 , m_horizontalOverflow(false) 42 , m_verticalOverflow(false) 43 { 44 } 45 46 OverflowEvent::OverflowEvent(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow) 47 : Event(EventTypeNames::overflowchanged, false, false) 48 , m_horizontalOverflow(horizontalOverflow) 49 , m_verticalOverflow(verticalOverflow) 50 { 51 ASSERT(horizontalOverflowChanged || verticalOverflowChanged); 52 53 if (horizontalOverflowChanged && verticalOverflowChanged) 54 m_orient = BOTH; 55 else if (horizontalOverflowChanged) 56 m_orient = HORIZONTAL; 57 else 58 m_orient = VERTICAL; 59 } 60 61 OverflowEvent::OverflowEvent(const AtomicString& type, const OverflowEventInit& initializer) 62 : Event(type, initializer) 63 , m_orient(initializer.orient) 64 , m_horizontalOverflow(initializer.horizontalOverflow) 65 , m_verticalOverflow(initializer.verticalOverflow) 66 { 67 } 68 69 const AtomicString& OverflowEvent::interfaceName() const 70 { 71 return EventNames::OverflowEvent; 72 } 73 74 void OverflowEvent::trace(Visitor* visitor) 75 { 76 Event::trace(visitor); 77 } 78 79 } 80