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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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145 | 145 |
146 virtual LayoutSize columnOffset(const LayoutPoint&) const override final; | 146 virtual LayoutSize columnOffset(const LayoutPoint&) const override final; |
147 | 147 |
148 // Do we need to set a new width and lay out? | 148 // Do we need to set a new width and lay out? |
149 virtual bool needsNewWidth() const; | 149 virtual bool needsNewWidth() const; |
150 | 150 |
151 void layoutColumns(bool relayoutChildren, SubtreeLayoutScope&); | 151 void layoutColumns(bool relayoutChildren, SubtreeLayoutScope&); |
152 | 152 |
153 bool recalculateColumnHeights(); | 153 bool recalculateColumnHeights(); |
154 | 154 |
| 155 void columnRuleStyleDidChange(); |
| 156 |
155 protected: | 157 protected: |
156 RenderMultiColumnFlowThread(); | 158 RenderMultiColumnFlowThread(); |
157 void setProgressionIsInline(bool isInline) { m_progressionIsInline = isInlin
e; } | 159 void setProgressionIsInline(bool isInline) { m_progressionIsInline = isInlin
e; } |
158 | 160 |
159 virtual void layout() override; | 161 virtual void layout() override; |
160 | 162 |
161 private: | 163 private: |
162 void calculateColumnCountAndWidth(LayoutUnit& width, unsigned& count) const; | 164 void calculateColumnCountAndWidth(LayoutUnit& width, unsigned& count) const; |
163 void createAndInsertMultiColumnSet(); | 165 void createAndInsertMultiColumnSet(); |
164 void createAndInsertSpannerPlaceholder(RenderBox* spanner); | 166 void createAndInsertSpannerPlaceholder(RenderBox* spanner); |
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181 LayoutUnit m_columnHeightAvailable; // Total height available to columns, or
0 if auto. | 183 LayoutUnit m_columnHeightAvailable; // Total height available to columns, or
0 if auto. |
182 bool m_inBalancingPass; // Set when relayouting for column balancing. | 184 bool m_inBalancingPass; // Set when relayouting for column balancing. |
183 bool m_needsColumnHeightsRecalculation; // Set when we need to recalculate t
he column set heights after layout. | 185 bool m_needsColumnHeightsRecalculation; // Set when we need to recalculate t
he column set heights after layout. |
184 bool m_progressionIsInline; // Always true for regular multicol. False for p
aged-y overflow. | 186 bool m_progressionIsInline; // Always true for regular multicol. False for p
aged-y overflow. |
185 bool m_isBeingEvacuated; | 187 bool m_isBeingEvacuated; |
186 }; | 188 }; |
187 | 189 |
188 } // namespace blink | 190 } // namespace blink |
189 | 191 |
190 #endif // RenderMultiColumnFlowThread_h | 192 #endif // RenderMultiColumnFlowThread_h |
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