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 #include <wtf/Forward.h> 31 32 namespace WebCore { 33 34 class RenderObject; 35 36 class RenderObjectChildList { 37 public: RenderObjectChildList()38 RenderObjectChildList() 39 : m_firstChild(0) 40 , m_lastChild(0) 41 { 42 } 43 firstChild()44 RenderObject* firstChild() const { return m_firstChild; } lastChild()45 RenderObject* lastChild() const { return m_lastChild; } 46 47 // FIXME: Temporary while RenderBox still exists. Eventually this will just happen during insert/append/remove methods on the child list, and nobody 48 // will need to manipulate firstChild or lastChild directly. setFirstChild(RenderObject * child)49 void setFirstChild(RenderObject* child) { m_firstChild = child; } setLastChild(RenderObject * child)50 void setLastChild(RenderObject* child) { m_lastChild = child; } 51 52 void destroyLeftoverChildren(); 53 54 RenderObject* removeChildNode(RenderObject* owner, RenderObject*, bool fullRemove = true); 55 void appendChildNode(RenderObject* owner, RenderObject*, bool fullAppend = true); 56 void insertChildNode(RenderObject* owner, RenderObject* child, RenderObject* before, bool fullInsert = true); 57 58 void updateBeforeAfterContent(RenderObject* owner, PseudoId type, const RenderObject* styledObject = 0); 59 RenderObject* beforePseudoElementRenderer(const RenderObject* owner) const; 60 RenderObject* afterPseudoElementRenderer(const RenderObject* owner) const; 61 62 private: 63 RenderObject* m_firstChild; 64 RenderObject* m_lastChild; 65 }; 66 67 } // namespace WebCore 68 69 #endif // RenderObjectChildList_h 70