RenderObjectChildList.h revision 8f72e70a9fd78eec56623b3a62e68f16b7b27e28
1/* 2 * Copyright (C) 2009 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 RenderObjectChildList_h 27#define RenderObjectChildList_h 28 29#include "RenderStyleConstants.h" 30 31namespace WebCore { 32 33class RenderObject; 34 35class RenderObjectChildList { 36public: 37 RenderObjectChildList() 38 : m_firstChild(0) 39 , m_lastChild(0) 40 { 41 } 42 43 RenderObject* firstChild() const { return m_firstChild; } 44 RenderObject* lastChild() const { return m_lastChild; } 45 46 // FIXME: Temporary while RenderBox still exists. Eventually this will just happen during insert/append/remove methods on the child list, and nobody 47 // will need to manipulate firstChild or lastChild directly. 48 void setFirstChild(RenderObject* child) { m_firstChild = child; } 49 void setLastChild(RenderObject* child) { m_lastChild = child; } 50 51 void destroyLeftoverChildren(); 52 53 RenderObject* removeChildNode(RenderObject* owner, RenderObject*, bool fullRemove = true); 54 void appendChildNode(RenderObject* owner, RenderObject*, bool fullAppend = true); 55 void insertChildNode(RenderObject* owner, RenderObject* child, RenderObject* before, bool fullInsert = true); 56 57 void updateBeforeAfterContent(RenderObject* owner, PseudoId type, RenderObject* styledObject = 0); 58 void invalidateCounters(RenderObject* owner); 59 60private: 61 RenderObject* m_firstChild; 62 RenderObject* m_lastChild; 63}; 64 65} // namespace WebCore 66 67#endif // RenderObjectChildList_h 68