1 /* 2 * Copyright (C) 2010, 2011 Nokia Corporation and/or its subsidiary(-ies) 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21 #include "config.h" 22 #include "RenderDetails.h" 23 24 #include "CSSStyleSelector.h" 25 #include "HTMLDetailsElement.h" 26 #include "HTMLNames.h" 27 28 namespace WebCore { 29 30 using namespace HTMLNames; 31 32 RenderDetails::RenderDetails(Node* node) 33 : RenderBlock(node) 34 , m_summaryBlock(0) 35 , m_contentBlock(0) 36 , m_mainSummary(0) 37 { 38 } 39 40 RenderBlock* RenderDetails::summaryBlock() 41 { 42 if (!m_summaryBlock) { 43 m_summaryBlock = createAnonymousBlock(); 44 RenderBlock::addChild(m_summaryBlock, m_contentBlock); 45 } 46 return m_summaryBlock; 47 } 48 49 RenderBlock* RenderDetails::contentBlock() 50 { 51 if (!m_contentBlock) { 52 m_contentBlock = createAnonymousBlock(); 53 RenderBlock::addChild(m_contentBlock); 54 } 55 return m_contentBlock; 56 } 57 58 void RenderDetails::addChild(RenderObject* newChild, RenderObject* beforeChild) 59 { 60 if (beforeChild && beforeChild == m_mainSummary) 61 beforeChild = getRenderPosition(m_mainSummary); 62 contentBlock()->addChild(newChild, beforeChild); 63 } 64 65 void RenderDetails::removeChild(RenderObject* oldChild) 66 { 67 if (oldChild == m_summaryBlock) { 68 RenderBlock::removeChild(oldChild); 69 m_summaryBlock = 0; 70 return; 71 } 72 73 if (oldChild == m_contentBlock) { 74 RenderBlock::removeChild(oldChild); 75 m_contentBlock = 0; 76 return; 77 } 78 79 if (oldChild == m_mainSummary && m_summaryBlock) { 80 m_summaryBlock->removeChild(m_mainSummary); 81 return; 82 } 83 84 if (m_contentBlock) { 85 m_contentBlock->removeChild(oldChild); 86 return; 87 } 88 89 ASSERT_NOT_REACHED(); 90 } 91 92 void RenderDetails::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) 93 { 94 RenderBlock::styleDidChange(diff, oldStyle); 95 // Ensure that if we ended up being inline that we set our replaced flag 96 // so that we're treated like an inline-block. 97 setReplaced(isInline()); 98 } 99 100 RenderObject* RenderDetails::getRenderPosition(RenderObject* object) 101 { 102 if (!object || !object->node()) 103 return 0; 104 105 Node* element = object->node()->nextSibling(); 106 107 while (element && !element->renderer()) 108 element = element->nextSibling(); 109 110 return element ? element->renderer() : 0; 111 } 112 113 void RenderDetails::summaryDestroyed(RenderObject* summary) 114 { 115 if (summary == m_mainSummary) 116 m_mainSummary = 0; 117 } 118 119 void RenderDetails::moveSummaryToContents() 120 { 121 if (!m_mainSummary) 122 return; 123 124 m_mainSummary->remove(); 125 contentBlock()->addChild(m_mainSummary, getRenderPosition(m_mainSummary)); 126 m_mainSummary = 0; 127 } 128 129 void RenderDetails::replaceMainSummary(RenderObject* newSummary) 130 { 131 ASSERT(newSummary); 132 if (m_mainSummary == newSummary) 133 return; 134 135 moveSummaryToContents(); 136 newSummary->remove(); 137 summaryBlock()->addChild(newSummary); 138 m_mainSummary = newSummary; 139 } 140 141 void RenderDetails::checkMainSummary() 142 { 143 if (!node() || !node()->hasTagName(detailsTag)) 144 return; 145 146 Node* mainSummaryNode = static_cast<HTMLDetailsElement*>(node())->mainSummary(); 147 if (mainSummaryNode && mainSummaryNode->renderer()) 148 replaceMainSummary(mainSummaryNode->renderer()); 149 } 150 151 void RenderDetails::layout() 152 { 153 checkMainSummary(); 154 RenderBlock::layout(); 155 } 156 157 bool RenderDetails::isOpen() const 158 { 159 return node() && node()->isElementNode() ? !static_cast<Element*>(node())->getAttribute(openAttr).isNull() : false; 160 } 161 162 } // namespace WebCore 163