OLD | NEW |
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. |
(...skipping 49 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
60 virtual bool isRenderFlowThread() const override final { return true; } | 60 virtual bool isRenderFlowThread() const override final { return true; } |
61 virtual bool isRenderMultiColumnFlowThread() const { return false; } | 61 virtual bool isRenderMultiColumnFlowThread() const { return false; } |
62 virtual bool isRenderPagedFlowThread() const { return false; } | 62 virtual bool isRenderPagedFlowThread() const { return false; } |
63 | 63 |
64 virtual void layout() override; | 64 virtual void layout() override; |
65 | 65 |
66 // Always create a RenderLayer for the RenderFlowThread so that we | 66 // Always create a RenderLayer for the RenderFlowThread so that we |
67 // can easily avoid drawing the children directly. | 67 // can easily avoid drawing the children directly. |
68 virtual LayerType layerTypeRequired() const override final { return NormalLa
yer; } | 68 virtual LayerType layerTypeRequired() const override final { return NormalLa
yer; } |
69 | 69 |
| 70 virtual bool isColumnSpanner(const RenderObject*) const { return false; } |
| 71 |
| 72 // Is the specified renderer a column spanner or inside one? |
| 73 virtual bool isInsideColumnSpanner(const RenderObject*) const { return false
; } |
| 74 |
| 75 // Enter the specified column spanner for layout. |
| 76 virtual LayoutUnit enterColumnSpanner(RenderBox*, LayoutUnit logicalTop, Sub
treeLayoutScope&) { return LayoutUnit(); } |
| 77 |
| 78 // Leave the specified column spanner when layout has finished. |
| 79 virtual void leaveColumnSpanner(RenderBox*, LayoutUnit logicalBottom) { } |
| 80 |
| 81 virtual void flowThreadDescendantInserted(RenderObject*) { } |
| 82 virtual void flowThreadDescendantWillBeRemoved(RenderObject*) { } |
| 83 virtual void flowThreadDescendantStyleDidChange(RenderObject*) { } |
| 84 |
70 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTes
tLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAct
ion) override final; | 85 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTes
tLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAct
ion) override final; |
71 | 86 |
72 virtual void addRegionToThread(RenderMultiColumnSet*) = 0; | 87 virtual void addRegionToThread(RenderMultiColumnSet*) = 0; |
73 virtual void removeRegionFromThread(RenderMultiColumnSet*); | 88 virtual void removeRegionFromThread(RenderMultiColumnSet*); |
74 | 89 |
75 virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logic
alTop, LogicalExtentComputedValues&) const override; | 90 virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logic
alTop, LogicalExtentComputedValues&) const override; |
76 | 91 |
77 bool hasRegions() const { return m_multiColumnSetList.size(); } | 92 bool hasRegions() const { return m_multiColumnSetList.size(); } |
78 | 93 |
79 void validateRegions(); | 94 void validateRegions(); |
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
126 void setOffsetFromLogicalTopOfFirstRegion(const RenderBox*, LayoutUnit); | 141 void setOffsetFromLogicalTopOfFirstRegion(const RenderBox*, LayoutUnit); |
127 void clearOffsetFromLogicalTopOfFirstRegion(const RenderBox*); | 142 void clearOffsetFromLogicalTopOfFirstRegion(const RenderBox*); |
128 | 143 |
129 const RenderBox* currentStatePusherRenderBox() const; | 144 const RenderBox* currentStatePusherRenderBox() const; |
130 | 145 |
131 RenderMultiColumnSetList m_multiColumnSetList; | 146 RenderMultiColumnSetList m_multiColumnSetList; |
132 | 147 |
133 typedef PODInterval<LayoutUnit, RenderMultiColumnSet*> MultiColumnSetInterva
l; | 148 typedef PODInterval<LayoutUnit, RenderMultiColumnSet*> MultiColumnSetInterva
l; |
134 typedef PODIntervalTree<LayoutUnit, RenderMultiColumnSet*> MultiColumnSetInt
ervalTree; | 149 typedef PODIntervalTree<LayoutUnit, RenderMultiColumnSet*> MultiColumnSetInt
ervalTree; |
135 | 150 |
136 class RegionSearchAdapter { | 151 class MultiColumnSetSearchAdapter { |
137 public: | 152 public: |
138 RegionSearchAdapter(LayoutUnit offset) | 153 MultiColumnSetSearchAdapter(LayoutUnit offset) |
139 : m_offset(offset) | 154 : m_offset(offset) |
140 , m_result(0) | 155 , m_result(0) |
141 { | 156 { |
142 } | 157 } |
143 | 158 |
144 const LayoutUnit& lowValue() const { return m_offset; } | 159 const LayoutUnit& lowValue() const { return m_offset; } |
145 const LayoutUnit& highValue() const { return m_offset; } | 160 const LayoutUnit& highValue() const { return m_offset; } |
146 void collectIfNeeded(const MultiColumnSetInterval&); | 161 void collectIfNeeded(const MultiColumnSetInterval&); |
147 | 162 |
148 RenderRegion* result() const { return m_result; } | 163 RenderMultiColumnSet* result() const { return m_result; } |
149 | 164 |
150 private: | 165 private: |
151 LayoutUnit m_offset; | 166 LayoutUnit m_offset; |
152 RenderRegion* m_result; | 167 RenderMultiColumnSet* m_result; |
153 }; | 168 }; |
154 | 169 |
155 // Stack of objects that pushed a LayoutState object on the RenderView. The | 170 // Stack of objects that pushed a LayoutState object on the RenderView. The |
156 // objects on the stack are the ones that are curently in the process of bei
ng | 171 // objects on the stack are the ones that are curently in the process of bei
ng |
157 // laid out. | 172 // laid out. |
158 ListHashSet<const RenderObject*> m_statePusherObjectsStack; | 173 ListHashSet<const RenderObject*> m_statePusherObjectsStack; |
159 typedef HashMap<const RenderBox*, LayoutUnit> RenderBoxToOffsetMap; | 174 typedef HashMap<const RenderBox*, LayoutUnit> RenderBoxToOffsetMap; |
160 RenderBoxToOffsetMap m_boxesToOffsetMap; | 175 RenderBoxToOffsetMap m_boxesToOffsetMap; |
161 | 176 |
162 MultiColumnSetIntervalTree m_multiColumnSetIntervalTree; | 177 MultiColumnSetIntervalTree m_multiColumnSetIntervalTree; |
(...skipping 22 matching lines...) Expand all Loading... |
185 }; | 200 }; |
186 | 201 |
187 template <> struct ValueToString<RenderMultiColumnSet*> { | 202 template <> struct ValueToString<RenderMultiColumnSet*> { |
188 static String string(const RenderMultiColumnSet* value) { return String::for
mat("%p", value); } | 203 static String string(const RenderMultiColumnSet* value) { return String::for
mat("%p", value); } |
189 }; | 204 }; |
190 #endif | 205 #endif |
191 | 206 |
192 } // namespace blink | 207 } // namespace blink |
193 | 208 |
194 #endif // RenderFlowThread_h | 209 #endif // RenderFlowThread_h |
OLD | NEW |