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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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49 // is unbreakable and cannot fully fit in the same column as the preceding piece of | 49 // is unbreakable and cannot fully fit in the same column as the preceding piece of |
50 // content. Although a RenderMultiColumnFlowThread is laid out, it does not take up any space in its | 50 // content. Although a RenderMultiColumnFlowThread is laid out, it does not take up any space in its |
51 // container. It's the RenderMultiColumnSet objects that take up the necessary a mount of space, and | 51 // container. It's the RenderMultiColumnSet objects that take up the necessary a mount of space, and |
52 // make sure that the columns are painted and hit-tested correctly. | 52 // make sure that the columns are painted and hit-tested correctly. |
53 class RenderMultiColumnFlowThread FINAL : public RenderFlowThread { | 53 class RenderMultiColumnFlowThread FINAL : public RenderFlowThread { |
54 public: | 54 public: |
55 virtual ~RenderMultiColumnFlowThread(); | 55 virtual ~RenderMultiColumnFlowThread(); |
56 | 56 |
57 static RenderMultiColumnFlowThread* createAnonymous(Document&, RenderStyle* parentStyle); | 57 static RenderMultiColumnFlowThread* createAnonymous(Document&, RenderStyle* parentStyle); |
58 | 58 |
59 #ifndef NDEBUG | |
60 // This one is only used in assertions at the moment. | |
rune
2014/04/30 11:00:12
"one" -> "method"?
mstensho (USE GERRIT)
2014/04/30 11:05:06
Done.
| |
61 virtual bool isRenderMultiColumnFlowThread() const OVERRIDE FINAL { return t rue; } | |
62 #endif // NDEBUG | |
63 | |
59 RenderBlockFlow* multiColumnBlockFlow() const { return toRenderBlockFlow(par ent()); } | 64 RenderBlockFlow* multiColumnBlockFlow() const { return toRenderBlockFlow(par ent()); } |
60 | 65 |
61 RenderMultiColumnSet* firstMultiColumnSet() const; | 66 RenderMultiColumnSet* firstMultiColumnSet() const; |
62 RenderMultiColumnSet* lastMultiColumnSet() const; | 67 RenderMultiColumnSet* lastMultiColumnSet() const; |
63 | 68 |
64 virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) OVERRIDE; | 69 virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) OVERRIDE; |
65 | 70 |
66 // Populate the flow thread with what's currently its siblings. Called when a regular block | 71 // Populate the flow thread with what's currently its siblings. Called when a regular block |
67 // becomes a multicol container. | 72 // becomes a multicol container. |
68 void populate(); | 73 void populate(); |
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100 LayoutUnit m_columnWidth; // The used value of column-width | 105 LayoutUnit m_columnWidth; // The used value of column-width |
101 LayoutUnit m_columnHeightAvailable; // Total height available to columns, or 0 if auto. | 106 LayoutUnit m_columnHeightAvailable; // Total height available to columns, or 0 if auto. |
102 bool m_inBalancingPass; // Set when relayouting for column balancing. | 107 bool m_inBalancingPass; // Set when relayouting for column balancing. |
103 bool m_needsRebalancing; | 108 bool m_needsRebalancing; |
104 }; | 109 }; |
105 | 110 |
106 } // namespace WebCore | 111 } // namespace WebCore |
107 | 112 |
108 #endif // RenderMultiColumnFlowThread_h | 113 #endif // RenderMultiColumnFlowThread_h |
109 | 114 |
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