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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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86 bool hasValidColumnSetInfo() const { return !m_columnSetsInvalidated && !m_m
ultiColumnSetList.isEmpty(); } | 86 bool hasValidColumnSetInfo() const { return !m_columnSetsInvalidated && !m_m
ultiColumnSetList.isEmpty(); } |
87 | 87 |
88 virtual void mapRectToPaintInvalidationBacking(const LayoutBoxModelObject* p
aintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const ove
rride; | 88 virtual void mapRectToPaintInvalidationBacking(const LayoutBoxModelObject* p
aintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const ove
rride; |
89 | 89 |
90 LayoutUnit pageLogicalHeightForOffset(LayoutUnit); | 90 LayoutUnit pageLogicalHeightForOffset(LayoutUnit); |
91 LayoutUnit pageRemainingLogicalHeightForOffset(LayoutUnit, PageBoundaryRule
= IncludePageBoundary); | 91 LayoutUnit pageRemainingLogicalHeightForOffset(LayoutUnit, PageBoundaryRule
= IncludePageBoundary); |
92 | 92 |
93 virtual void setPageBreak(LayoutUnit /*offset*/, LayoutUnit /*spaceShortage*
/) { } | 93 virtual void setPageBreak(LayoutUnit /*offset*/, LayoutUnit /*spaceShortage*
/) { } |
94 virtual void updateMinimumPageHeight(LayoutUnit /*offset*/, LayoutUnit /*min
Height*/) { } | 94 virtual void updateMinimumPageHeight(LayoutUnit /*offset*/, LayoutUnit /*min
Height*/) { } |
95 | 95 |
96 bool columnSetsHaveUniformLogicalHeight() const { return m_columnSetsHaveUni
formLogicalHeight; } | |
97 | |
98 virtual bool addForcedColumnBreak(LayoutUnit, LayoutObject* breakChild, bool
isBefore, LayoutUnit* offsetBreakAdjustment = nullptr) { return false; } | 96 virtual bool addForcedColumnBreak(LayoutUnit, LayoutObject* breakChild, bool
isBefore, LayoutUnit* offsetBreakAdjustment = nullptr) { return false; } |
99 | 97 |
100 virtual bool isPageLogicalHeightKnown() const { return true; } | 98 virtual bool isPageLogicalHeightKnown() const { return true; } |
101 bool pageLogicalSizeChanged() const { return m_pageLogicalSizeChanged; } | 99 bool pageLogicalSizeChanged() const { return m_pageLogicalSizeChanged; } |
102 | 100 |
103 void collectLayerFragments(DeprecatedPaintLayerFragments&, const LayoutRect&
layerBoundingBox, const LayoutRect& dirtyRect); | 101 void collectLayerFragments(DeprecatedPaintLayerFragments&, const LayoutRect&
layerBoundingBox, const LayoutRect& dirtyRect); |
104 | 102 |
105 // Return the visual bounding box based on the supplied flow-thread bounding
box. Both | 103 // Return the visual bounding box based on the supplied flow-thread bounding
box. Both |
106 // rectangles are completely physical in terms of writing mode. | 104 // rectangles are completely physical in terms of writing mode. |
107 LayoutRect fragmentsBoundingBox(const LayoutRect& layerBoundingBox) const; | 105 LayoutRect fragmentsBoundingBox(const LayoutRect& layerBoundingBox) const; |
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140 LayoutMultiColumnSet* result() const { return m_result; } | 138 LayoutMultiColumnSet* result() const { return m_result; } |
141 | 139 |
142 private: | 140 private: |
143 LayoutUnit m_offset; | 141 LayoutUnit m_offset; |
144 LayoutMultiColumnSet* m_result; | 142 LayoutMultiColumnSet* m_result; |
145 }; | 143 }; |
146 | 144 |
147 MultiColumnSetIntervalTree m_multiColumnSetIntervalTree; | 145 MultiColumnSetIntervalTree m_multiColumnSetIntervalTree; |
148 | 146 |
149 bool m_columnSetsInvalidated : 1; | 147 bool m_columnSetsInvalidated : 1; |
150 bool m_columnSetsHaveUniformLogicalHeight : 1; | |
151 bool m_pageLogicalSizeChanged : 1; | 148 bool m_pageLogicalSizeChanged : 1; |
152 }; | 149 }; |
153 | 150 |
154 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutFlowThread, isLayoutFlowThread()); | 151 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutFlowThread, isLayoutFlowThread()); |
155 | 152 |
156 // These structures are used by PODIntervalTree for debugging. | 153 // These structures are used by PODIntervalTree for debugging. |
157 #ifndef NDEBUG | 154 #ifndef NDEBUG |
158 template <> struct ValueToString<LayoutUnit> { | 155 template <> struct ValueToString<LayoutUnit> { |
159 static String string(const LayoutUnit value) { return String::number(value.t
oFloat()); } | 156 static String string(const LayoutUnit value) { return String::number(value.t
oFloat()); } |
160 }; | 157 }; |
161 | 158 |
162 template <> struct ValueToString<LayoutMultiColumnSet*> { | 159 template <> struct ValueToString<LayoutMultiColumnSet*> { |
163 static String string(const LayoutMultiColumnSet* value) { return String::for
mat("%p", value); } | 160 static String string(const LayoutMultiColumnSet* value) { return String::for
mat("%p", value); } |
164 }; | 161 }; |
165 #endif | 162 #endif |
166 | 163 |
167 } // namespace blink | 164 } // namespace blink |
168 | 165 |
169 #endif // LayoutFlowThread_h | 166 #endif // LayoutFlowThread_h |
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