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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2001 Dirk Mueller (mueller@kde.org) | 4 * (C) 2001 Dirk Mueller (mueller@kde.org) |
5 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ights reserved. | 5 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ights reserved. |
6 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t
orchmobile.com/) | 6 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t
orchmobile.com/) |
7 * Copyright (C) 2011 Google Inc. All rights reserved. | 7 * Copyright (C) 2011 Google Inc. All rights reserved. |
8 * | 8 * |
9 * This library is free software; you can redistribute it and/or | 9 * This library is free software; you can redistribute it and/or |
10 * modify it under the terms of the GNU Library General Public | 10 * modify it under the terms of the GNU Library General Public |
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36 #include "core/dom/Text.h" | 36 #include "core/dom/Text.h" |
37 #include "core/layout/LayoutFullScreen.h" | 37 #include "core/layout/LayoutFullScreen.h" |
38 #include "core/layout/LayoutObject.h" | 38 #include "core/layout/LayoutObject.h" |
39 #include "core/layout/LayoutText.h" | 39 #include "core/layout/LayoutText.h" |
40 #include "core/layout/LayoutView.h" | 40 #include "core/layout/LayoutView.h" |
41 #include "core/svg/SVGElement.h" | 41 #include "core/svg/SVGElement.h" |
42 #include "platform/RuntimeEnabledFeatures.h" | 42 #include "platform/RuntimeEnabledFeatures.h" |
43 | 43 |
44 namespace blink { | 44 namespace blink { |
45 | 45 |
46 LayoutTreeBuilderForElement::LayoutTreeBuilderForElement(Element& element, Layou
tStyle* style) | 46 LayoutTreeBuilderForElement::LayoutTreeBuilderForElement(Element& element, Compu
tedStyle* style) |
47 : LayoutTreeBuilder(element, nullptr) | 47 : LayoutTreeBuilder(element, nullptr) |
48 , m_style(style) | 48 , m_style(style) |
49 { | 49 { |
50 if (element.isFirstLetterPseudoElement()) { | 50 if (element.isFirstLetterPseudoElement()) { |
51 if (LayoutObject* nextLayoutObject = FirstLetterPseudoElement::firstLett
erTextRenderer(element)) | 51 if (LayoutObject* nextLayoutObject = FirstLetterPseudoElement::firstLett
erTextRenderer(element)) |
52 m_layoutObjectParent = nextLayoutObject->parent(); | 52 m_layoutObjectParent = nextLayoutObject->parent(); |
53 } else if (ContainerNode* containerNode = NodeRenderingTraversal::parent(ele
ment)) { | 53 } else if (ContainerNode* containerNode = NodeRenderingTraversal::parent(ele
ment)) { |
54 m_layoutObjectParent = containerNode->layoutObject(); | 54 m_layoutObjectParent = containerNode->layoutObject(); |
55 } | 55 } |
56 } | 56 } |
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99 | 99 |
100 LayoutObject* parentLayoutObject = this->parentLayoutObject(); | 100 LayoutObject* parentLayoutObject = this->parentLayoutObject(); |
101 if (!parentLayoutObject) | 101 if (!parentLayoutObject) |
102 return false; | 102 return false; |
103 if (!parentLayoutObject->canHaveChildren()) | 103 if (!parentLayoutObject->canHaveChildren()) |
104 return false; | 104 return false; |
105 | 105 |
106 return m_node->layoutObjectIsNeeded(style()); | 106 return m_node->layoutObjectIsNeeded(style()); |
107 } | 107 } |
108 | 108 |
109 LayoutStyle& LayoutTreeBuilderForElement::style() const | 109 ComputedStyle& LayoutTreeBuilderForElement::style() const |
110 { | 110 { |
111 if (!m_style) | 111 if (!m_style) |
112 m_style = m_node->styleForLayoutObject(); | 112 m_style = m_node->styleForLayoutObject(); |
113 return *m_style; | 113 return *m_style; |
114 } | 114 } |
115 | 115 |
116 void LayoutTreeBuilderForElement::createLayoutObject() | 116 void LayoutTreeBuilderForElement::createLayoutObject() |
117 { | 117 { |
118 LayoutStyle& style = this->style(); | 118 ComputedStyle& style = this->style(); |
119 | 119 |
120 LayoutObject* newLayoutObject = m_node->createLayoutObject(style); | 120 LayoutObject* newLayoutObject = m_node->createLayoutObject(style); |
121 if (!newLayoutObject) | 121 if (!newLayoutObject) |
122 return; | 122 return; |
123 | 123 |
124 LayoutObject* parentLayoutObject = this->parentLayoutObject(); | 124 LayoutObject* parentLayoutObject = this->parentLayoutObject(); |
125 | 125 |
126 if (!parentLayoutObject->isChildAllowed(newLayoutObject, style)) { | 126 if (!parentLayoutObject->isChildAllowed(newLayoutObject, style)) { |
127 newLayoutObject->destroy(); | 127 newLayoutObject->destroy(); |
128 return; | 128 return; |
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142 return; | 142 return; |
143 } | 143 } |
144 | 144 |
145 // Note: Adding newLayoutObject instead of layoutObject(). layoutObject() ma
y be a child of newLayoutObject. | 145 // Note: Adding newLayoutObject instead of layoutObject(). layoutObject() ma
y be a child of newLayoutObject. |
146 parentLayoutObject->addChild(newLayoutObject, nextLayoutObject); | 146 parentLayoutObject->addChild(newLayoutObject, nextLayoutObject); |
147 } | 147 } |
148 | 148 |
149 void LayoutTreeBuilderForText::createLayoutObject() | 149 void LayoutTreeBuilderForText::createLayoutObject() |
150 { | 150 { |
151 LayoutObject* parentLayoutObject = this->parentLayoutObject(); | 151 LayoutObject* parentLayoutObject = this->parentLayoutObject(); |
152 LayoutStyle& style = parentLayoutObject->mutableStyleRef(); | 152 ComputedStyle& style = parentLayoutObject->mutableStyleRef(); |
153 | 153 |
154 ASSERT(m_node->textRendererIsNeeded(style, *parentLayoutObject)); | 154 ASSERT(m_node->textRendererIsNeeded(style, *parentLayoutObject)); |
155 | 155 |
156 LayoutText* newLayoutObject = m_node->createTextRenderer(style); | 156 LayoutText* newLayoutObject = m_node->createTextRenderer(style); |
157 if (!parentLayoutObject->isChildAllowed(newLayoutObject, style)) { | 157 if (!parentLayoutObject->isChildAllowed(newLayoutObject, style)) { |
158 newLayoutObject->destroy(); | 158 newLayoutObject->destroy(); |
159 return; | 159 return; |
160 } | 160 } |
161 | 161 |
162 // Make sure the LayoutObject already knows it is going to be added to a Lay
outFlowThread before we set the style | 162 // Make sure the LayoutObject already knows it is going to be added to a Lay
outFlowThread before we set the style |
163 // for the first time. Otherwise code using inLayoutFlowThread() in the styl
eWillChange and styleDidChange will fail. | 163 // for the first time. Otherwise code using inLayoutFlowThread() in the styl
eWillChange and styleDidChange will fail. |
164 newLayoutObject->setFlowThreadState(parentLayoutObject->flowThreadState()); | 164 newLayoutObject->setFlowThreadState(parentLayoutObject->flowThreadState()); |
165 | 165 |
166 LayoutObject* nextLayoutObject = this->nextLayoutObject(); | 166 LayoutObject* nextLayoutObject = this->nextLayoutObject(); |
167 m_node->setLayoutObject(newLayoutObject); | 167 m_node->setLayoutObject(newLayoutObject); |
168 // Parent takes care of the animations, no need to call setAnimatableStyle. | 168 // Parent takes care of the animations, no need to call setAnimatableStyle. |
169 newLayoutObject->setStyle(&style); | 169 newLayoutObject->setStyle(&style); |
170 parentLayoutObject->addChild(newLayoutObject, nextLayoutObject); | 170 parentLayoutObject->addChild(newLayoutObject, nextLayoutObject); |
171 } | 171 } |
172 | 172 |
173 } | 173 } |
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