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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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130 // Layout of flow thread content that's to be rendered inside this column se
t begins. This | 130 // Layout of flow thread content that's to be rendered inside this column se
t begins. This |
131 // happens at the beginning of flow thread layout, and when advancing from a
previous column set | 131 // happens at the beginning of flow thread layout, and when advancing from a
previous column set |
132 // or spanner to this one. | 132 // or spanner to this one. |
133 void beginFlow(LayoutUnit offsetInFlowThread); | 133 void beginFlow(LayoutUnit offsetInFlowThread); |
134 | 134 |
135 // Layout of flow thread content that was to be rendered inside this column
set has | 135 // Layout of flow thread content that was to be rendered inside this column
set has |
136 // finished. This happens at end of flow thread layout, and when advancing t
o the next column | 136 // finished. This happens at end of flow thread layout, and when advancing t
o the next column |
137 // set or spanner. | 137 // set or spanner. |
138 void endFlow(LayoutUnit offsetInFlowThread); | 138 void endFlow(LayoutUnit offsetInFlowThread); |
139 | 139 |
140 // Expand this set's flow thread portion rectangle to contain all trailing f
low thread | |
141 // overflow. Only to be called on the last set. | |
142 void expandToEncompassFlowThreadContentsIfNeeded(); | |
143 | |
144 void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit&
maxLogicalWidth) const final; | 140 void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit&
maxLogicalWidth) const final; |
145 | 141 |
146 void attachToFlowThread(); | 142 void attachToFlowThread(); |
147 void detachFromFlowThread(); | 143 void detachFromFlowThread(); |
148 | 144 |
149 // The top of the page nearest to the specified block offset. All in flowthr
ead coordinates. | 145 // The top of the page nearest to the specified block offset. All in flowthr
ead coordinates. |
150 LayoutUnit pageLogicalTopForOffset(LayoutUnit offset) const; | 146 LayoutUnit pageLogicalTopForOffset(LayoutUnit offset) const; |
151 | 147 |
152 void collectLayerFragments(DeprecatedPaintLayerFragments&, const LayoutRect&
layerBoundingBox, const LayoutRect& dirtyRect); | 148 void collectLayerFragments(DeprecatedPaintLayerFragments&, const LayoutRect&
layerBoundingBox, const LayoutRect& dirtyRect); |
153 | 149 |
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177 MultiColumnFragmentainerGroupList m_fragmentainerGroups; | 173 MultiColumnFragmentainerGroupList m_fragmentainerGroups; |
178 LayoutFlowThread* m_flowThread; | 174 LayoutFlowThread* m_flowThread; |
179 }; | 175 }; |
180 | 176 |
181 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutMultiColumnSet, isLayoutMultiColumnSet()); | 177 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutMultiColumnSet, isLayoutMultiColumnSet()); |
182 | 178 |
183 } // namespace blink | 179 } // namespace blink |
184 | 180 |
185 #endif // LayoutMultiColumnSet_h | 181 #endif // LayoutMultiColumnSet_h |
186 | 182 |
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