1 /* 2 * Copyright (C) 2006, 2007, 2008 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 #ifndef OverflowEvent_h 27 #define OverflowEvent_h 28 29 #include "Event.h" 30 31 namespace WebCore { 32 33 class OverflowEvent : public Event { 34 public: 35 enum orientType { 36 HORIZONTAL = 0, 37 VERTICAL = 1, 38 BOTH = 2 39 }; 40 41 static PassRefPtr<OverflowEvent> create() 42 { 43 return adoptRef(new OverflowEvent); 44 } 45 static PassRefPtr<OverflowEvent> create(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow) 46 { 47 return adoptRef(new OverflowEvent(horizontalOverflowChanged, horizontalOverflow, verticalOverflowChanged, verticalOverflow)); 48 } 49 50 void initOverflowEvent(unsigned short orient, bool horizontalOverflow, bool verticalOverflow); 51 52 unsigned short orient() const { return m_orient; } 53 bool horizontalOverflow() const { return m_horizontalOverflow; } 54 bool verticalOverflow() const { return m_verticalOverflow; } 55 56 virtual bool isOverflowEvent() const; 57 58 private: 59 OverflowEvent(); 60 OverflowEvent(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow); 61 62 unsigned short m_orient; 63 bool m_horizontalOverflow; 64 bool m_verticalOverflow; 65 }; 66 } 67 68 #endif // OverflowEvent_h 69 70
