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1 /* | 1 /* |
2 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved. | 2 * Copyright (C) 2011 Adobe Systems Incorporated. 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 * | 7 * |
8 * 1. Redistributions of source code must retain the above | 8 * 1. Redistributions of source code must retain the above |
9 * copyright notice, this list of conditions and the following | 9 * copyright notice, this list of conditions and the following |
10 * disclaimer. | 10 * disclaimer. |
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90 m_columnSetsInvalidated = true; | 90 m_columnSetsInvalidated = true; |
91 } | 91 } |
92 | 92 |
93 void LayoutFlowThread::validateColumnSets() | 93 void LayoutFlowThread::validateColumnSets() |
94 { | 94 { |
95 m_columnSetsInvalidated = false; | 95 m_columnSetsInvalidated = false; |
96 updateLogicalWidth(); // Called to get the maximum logical width for the col
umnSet. | 96 updateLogicalWidth(); // Called to get the maximum logical width for the col
umnSet. |
97 generateColumnSetIntervalTree(); | 97 generateColumnSetIntervalTree(); |
98 } | 98 } |
99 | 99 |
100 void LayoutFlowThread::mapToVisibleRectInAncestorSpace(const LayoutBoxModelObjec
t* ancestor, LayoutRect& rect, const PaintInvalidationState* paintInvalidationSt
ate) const | 100 bool LayoutFlowThread::mapToVisibleRectInAncestorSpace(const LayoutBoxModelObjec
t* ancestor, LayoutRect& rect, const PaintInvalidationState* paintInvalidationSt
ate, VisibleRectFlags visibleRectFlags) const |
101 { | 101 { |
102 ASSERT(ancestor != this); // A flow thread should never be an invalidation c
ontainer. | 102 ASSERT(ancestor != this); // A flow thread should never be an invalidation c
ontainer. |
103 // |rect| is a layout rectangle, where the block direction coordinate is fli
pped for writing | 103 // |rect| is a layout rectangle, where the block direction coordinate is fli
pped for writing |
104 // mode. fragmentsBoundingBox(), on the other hand, works on physical rectan
gles, so we need to | 104 // mode. fragmentsBoundingBox(), on the other hand, works on physical rectan
gles, so we need to |
105 // flip the rectangle before and after calling it. | 105 // flip the rectangle before and after calling it. |
106 flipForWritingMode(rect); | 106 flipForWritingMode(rect); |
107 rect = fragmentsBoundingBox(rect); | 107 rect = fragmentsBoundingBox(rect); |
108 flipForWritingMode(rect); | 108 flipForWritingMode(rect); |
109 LayoutBlockFlow::mapToVisibleRectInAncestorSpace(ancestor, rect, paintInvali
dationState); | 109 return LayoutBlockFlow::mapToVisibleRectInAncestorSpace(ancestor, rect, pain
tInvalidationState, visibleRectFlags); |
110 } | 110 } |
111 | 111 |
112 void LayoutFlowThread::layout() | 112 void LayoutFlowThread::layout() |
113 { | 113 { |
114 m_pageLogicalSizeChanged = m_columnSetsInvalidated && everHadLayout(); | 114 m_pageLogicalSizeChanged = m_columnSetsInvalidated && everHadLayout(); |
115 LayoutBlockFlow::layout(); | 115 LayoutBlockFlow::layout(); |
116 m_pageLogicalSizeChanged = false; | 116 m_pageLogicalSizeChanged = false; |
117 } | 117 } |
118 | 118 |
119 void LayoutFlowThread::computeLogicalHeight(LayoutUnit, LayoutUnit logicalTop, L
ogicalExtentComputedValues& computedValues) const | 119 void LayoutFlowThread::computeLogicalHeight(LayoutUnit, LayoutUnit logicalTop, L
ogicalExtentComputedValues& computedValues) const |
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195 | 195 |
196 void LayoutFlowThread::MultiColumnSetSearchAdapter::collectIfNeeded(const MultiC
olumnSetInterval& interval) | 196 void LayoutFlowThread::MultiColumnSetSearchAdapter::collectIfNeeded(const MultiC
olumnSetInterval& interval) |
197 { | 197 { |
198 if (m_result) | 198 if (m_result) |
199 return; | 199 return; |
200 if (interval.low() <= m_offset && interval.high() > m_offset) | 200 if (interval.low() <= m_offset && interval.high() > m_offset) |
201 m_result = interval.data(); | 201 m_result = interval.data(); |
202 } | 202 } |
203 | 203 |
204 } // namespace blink | 204 } // namespace blink |
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