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1 /* | 1 /* |
2 * Copyright (C) 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2012 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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163 | 163 |
164 LayoutUnit tallestUnbreakableLogicalHeight(LayoutUnit offsetInFlowThread) co
nst; | 164 LayoutUnit tallestUnbreakableLogicalHeight(LayoutUnit offsetInFlowThread) co
nst; |
165 | 165 |
166 LayoutSize columnOffset(const LayoutPoint&) const final; | 166 LayoutSize columnOffset(const LayoutPoint&) const final; |
167 | 167 |
168 // Do we need to set a new width and lay out? | 168 // Do we need to set a new width and lay out? |
169 virtual bool needsNewWidth() const; | 169 virtual bool needsNewWidth() const; |
170 | 170 |
171 bool isPageLogicalHeightKnown() const final; | 171 bool isPageLogicalHeightKnown() const final; |
172 | 172 |
| 173 LayoutSize offsetFromContainer(const LayoutObject*, const LayoutPoint&, bool
* offsetDependsOnPoint = nullptr) const final; |
| 174 |
173 LayoutSize flowThreadTranslationAtOffset(LayoutUnit) const; | 175 LayoutSize flowThreadTranslationAtOffset(LayoutUnit) const; |
174 | 176 |
175 LayoutPoint visualPointToFlowThreadPoint(const LayoutPoint& visualPoint) con
st override; | 177 LayoutPoint visualPointToFlowThreadPoint(const LayoutPoint& visualPoint) con
st override; |
176 | 178 |
177 LayoutMultiColumnSet* columnSetAtBlockOffset(LayoutUnit) const final; | 179 LayoutMultiColumnSet* columnSetAtBlockOffset(LayoutUnit) const final; |
178 | 180 |
179 void layoutColumns(SubtreeLayoutScope&); | 181 void layoutColumns(SubtreeLayoutScope&); |
180 | 182 |
181 // Skip past a column spanner during flow thread layout. Spanners are not la
id out inside the | 183 // Skip past a column spanner during flow thread layout. Spanners are not la
id out inside the |
182 // flow thread, since the flow thread is not in a spanner's containing block
chain (since the | 184 // flow thread, since the flow thread is not in a spanner's containing block
chain (since the |
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249 bool m_isBeingEvacuated; | 251 bool m_isBeingEvacuated; |
250 }; | 252 }; |
251 | 253 |
252 // Cannot use DEFINE_LAYOUT_OBJECT_TYPE_CASTS here, because isMultiColumnFlowThr
ead() is defined in | 254 // Cannot use DEFINE_LAYOUT_OBJECT_TYPE_CASTS here, because isMultiColumnFlowThr
ead() is defined in |
253 // LayoutFlowThread, not in LayoutObject. | 255 // LayoutFlowThread, not in LayoutObject. |
254 DEFINE_TYPE_CASTS(LayoutMultiColumnFlowThread, LayoutFlowThread, object, object-
>isLayoutMultiColumnFlowThread(), object.isLayoutMultiColumnFlowThread()); | 256 DEFINE_TYPE_CASTS(LayoutMultiColumnFlowThread, LayoutFlowThread, object, object-
>isLayoutMultiColumnFlowThread(), object.isLayoutMultiColumnFlowThread()); |
255 | 257 |
256 } // namespace blink | 258 } // namespace blink |
257 | 259 |
258 #endif // LayoutMultiColumnFlowThread_h | 260 #endif // LayoutMultiColumnFlowThread_h |
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