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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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117 LayoutRect flowThreadPortionOverflowRect() const; | 117 LayoutRect flowThreadPortionOverflowRect() const; |
118 LayoutRect overflowRectForFlowThreadPortion(const LayoutRect& flowThreadPort
ionRect, bool isFirstPortion, bool isLastPortion) const; | 118 LayoutRect overflowRectForFlowThreadPortion(const LayoutRect& flowThreadPort
ionRect, bool isFirstPortion, bool isLastPortion) const; |
119 | 119 |
120 // The used CSS value of column-count, i.e. how many columns there are room
for without overflowing. | 120 // The used CSS value of column-count, i.e. how many columns there are room
for without overflowing. |
121 unsigned usedColumnCount() const { return multiColumnFlowThread()->columnCou
nt(); } | 121 unsigned usedColumnCount() const { return multiColumnFlowThread()->columnCou
nt(); } |
122 | 122 |
123 bool heightIsAuto() const; | 123 bool heightIsAuto() const; |
124 | 124 |
125 // Find the column that contains the given block offset, and return the tran
slation needed to | 125 // Find the column that contains the given block offset, and return the tran
slation needed to |
126 // get from flow thread coordinates to visual coordinates. | 126 // get from flow thread coordinates to visual coordinates. |
127 LayoutSize flowThreadTranslationAtOffset(LayoutUnit, CoordinateSpaceConversi
on) const; | 127 LayoutSize flowThreadTranslationAtOffset(LayoutUnit, PageBoundaryRule, Coord
inateSpaceConversion) const; |
128 | 128 |
129 LayoutPoint visualPointToFlowThreadPoint(const LayoutPoint& visualPoint) con
st; | 129 LayoutPoint visualPointToFlowThreadPoint(const LayoutPoint& visualPoint) con
st; |
130 | 130 |
131 // (Re-)calculate the column height if it's auto. This is first and foremost
needed by sets that | 131 // (Re-)calculate the column height if it's auto. This is first and foremost
needed by sets that |
132 // are to balance the column height, but even when it isn't to be balanced,
this is necessary if | 132 // are to balance the column height, but even when it isn't to be balanced,
this is necessary if |
133 // the multicol container's height is constrained. | 133 // the multicol container's height is constrained. |
134 bool recalculateColumnHeight(); | 134 bool recalculateColumnHeight(); |
135 | 135 |
136 // Reset previously calculated column height. Will mark for layout if needed
. | 136 // Reset previously calculated column height. Will mark for layout if needed
. |
137 void resetColumnHeight(); | 137 void resetColumnHeight(); |
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207 | 207 |
208 bool m_initialHeightCalculated; | 208 bool m_initialHeightCalculated; |
209 }; | 209 }; |
210 | 210 |
211 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutMultiColumnSet, isLayoutMultiColumnSet()); | 211 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutMultiColumnSet, isLayoutMultiColumnSet()); |
212 | 212 |
213 } // namespace blink | 213 } // namespace blink |
214 | 214 |
215 #endif // LayoutMultiColumnSet_h | 215 #endif // LayoutMultiColumnSet_h |
216 | 216 |
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