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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) 2007 David Smith (catfish.man@gmail.com) | 4 * (C) 2007 David Smith (catfish.man@gmail.com) |
5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. | 5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. |
6 * All rights reserved. | 6 * All rights reserved. |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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101 // // Handle out-of-flow positioned objects. | 101 // // Handle out-of-flow positioned objects. |
102 // ... | 102 // ... |
103 // } | 103 // } |
104 class CORE_EXPORT LayoutBlock : public LayoutBox { | 104 class CORE_EXPORT LayoutBlock : public LayoutBox { |
105 protected: | 105 protected: |
106 explicit LayoutBlock(ContainerNode*); | 106 explicit LayoutBlock(ContainerNode*); |
107 ~LayoutBlock() override; | 107 ~LayoutBlock() override; |
108 | 108 |
109 public: | 109 public: |
110 LayoutObject* firstChild() const { | 110 LayoutObject* firstChild() const { |
111 ASSERT(children() == virtualChildren()); | 111 DCHECK_EQ(children(), virtualChildren()); |
112 return children()->firstChild(); | 112 return children()->firstChild(); |
113 } | 113 } |
114 LayoutObject* lastChild() const { | 114 LayoutObject* lastChild() const { |
115 ASSERT(children() == virtualChildren()); | 115 DCHECK_EQ(children(), virtualChildren()); |
116 return children()->lastChild(); | 116 return children()->lastChild(); |
117 } | 117 } |
118 | 118 |
119 // If you have a LayoutBlock, use firstChild or lastChild instead. | 119 // If you have a LayoutBlock, use firstChild or lastChild instead. |
120 void slowFirstChild() const = delete; | 120 void slowFirstChild() const = delete; |
121 void slowLastChild() const = delete; | 121 void slowLastChild() const = delete; |
122 | 122 |
123 const LayoutObjectChildList* children() const { return &m_children; } | 123 const LayoutObjectChildList* children() const { return &m_children; } |
124 LayoutObjectChildList* children() { return &m_children; } | 124 LayoutObjectChildList* children() { return &m_children; } |
125 | 125 |
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158 | 158 |
159 void insertPositionedObject(LayoutBox*); | 159 void insertPositionedObject(LayoutBox*); |
160 static void removePositionedObject(LayoutBox*); | 160 static void removePositionedObject(LayoutBox*); |
161 void removePositionedObjects(LayoutObject*, | 161 void removePositionedObjects(LayoutObject*, |
162 ContainingBlockState = SameContainingBlock); | 162 ContainingBlockState = SameContainingBlock); |
163 | 163 |
164 TrackedLayoutBoxListHashSet* positionedObjects() const { | 164 TrackedLayoutBoxListHashSet* positionedObjects() const { |
165 return hasPositionedObjects() ? positionedObjectsInternal() : nullptr; | 165 return hasPositionedObjects() ? positionedObjectsInternal() : nullptr; |
166 } | 166 } |
167 bool hasPositionedObjects() const { | 167 bool hasPositionedObjects() const { |
168 ASSERT(m_hasPositionedObjects ? (positionedObjectsInternal() && | 168 DCHECK(m_hasPositionedObjects ? (positionedObjectsInternal() && |
169 !positionedObjectsInternal()->isEmpty()) | 169 !positionedObjectsInternal()->isEmpty()) |
170 : !positionedObjectsInternal()); | 170 : !positionedObjectsInternal()); |
171 return m_hasPositionedObjects; | 171 return m_hasPositionedObjects; |
172 } | 172 } |
173 | 173 |
174 void addPercentHeightDescendant(LayoutBox*); | 174 void addPercentHeightDescendant(LayoutBox*); |
175 void removePercentHeightDescendant(LayoutBox*); | 175 void removePercentHeightDescendant(LayoutBox*); |
176 bool hasPercentHeightDescendant(LayoutBox* o) const { | 176 bool hasPercentHeightDescendant(LayoutBox* o) const { |
177 return hasPercentHeightDescendants() && | 177 return hasPercentHeightDescendants() && |
178 percentHeightDescendantsInternal()->contains(o); | 178 percentHeightDescendantsInternal()->contains(o); |
179 } | 179 } |
180 | 180 |
181 TrackedLayoutBoxListHashSet* percentHeightDescendants() const { | 181 TrackedLayoutBoxListHashSet* percentHeightDescendants() const { |
182 return hasPercentHeightDescendants() ? percentHeightDescendantsInternal() | 182 return hasPercentHeightDescendants() ? percentHeightDescendantsInternal() |
183 : nullptr; | 183 : nullptr; |
184 } | 184 } |
185 bool hasPercentHeightDescendants() const { | 185 bool hasPercentHeightDescendants() const { |
186 ASSERT(m_hasPercentHeightDescendants | 186 DCHECK(m_hasPercentHeightDescendants |
187 ? (percentHeightDescendantsInternal() && | 187 ? (percentHeightDescendantsInternal() && |
188 !percentHeightDescendantsInternal()->isEmpty()) | 188 !percentHeightDescendantsInternal()->isEmpty()) |
189 : !percentHeightDescendantsInternal()); | 189 : !percentHeightDescendantsInternal()); |
190 return m_hasPercentHeightDescendants; | 190 return m_hasPercentHeightDescendants; |
191 } | 191 } |
192 | 192 |
193 void notifyScrollbarThicknessChanged() { | 193 void notifyScrollbarThicknessChanged() { |
194 m_widthAvailableToChildrenChanged = true; | 194 m_widthAvailableToChildrenChanged = true; |
195 } | 195 } |
196 | 196 |
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564 // TODO(lunalu): Temporary in order to ensure compatibility with existing | 564 // TODO(lunalu): Temporary in order to ensure compatibility with existing |
565 // layout test results. | 565 // layout test results. |
566 virtual void adjustChildDebugRect(LayoutRect&) const {} | 566 virtual void adjustChildDebugRect(LayoutRect&) const {} |
567 }; | 567 }; |
568 | 568 |
569 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlock, isLayoutBlock()); | 569 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlock, isLayoutBlock()); |
570 | 570 |
571 } // namespace blink | 571 } // namespace blink |
572 | 572 |
573 #endif // LayoutBlock_h | 573 #endif // LayoutBlock_h |
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