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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google 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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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31 #ifndef SubtreeLayoutScope_h | 31 #ifndef SubtreeLayoutScope_h |
32 #define SubtreeLayoutScope_h | 32 #define SubtreeLayoutScope_h |
33 | 33 |
34 #include "core/inspector/InspectorTraceEvents.h" | 34 #include "core/inspector/InspectorTraceEvents.h" |
35 #include "wtf/HashSet.h" | 35 #include "wtf/HashSet.h" |
36 | 36 |
37 // This is the way to mark a subtree as needing layout during layout, | 37 // This is the way to mark a subtree as needing layout during layout, |
38 // e.g. for the purposes of doing a multipass layout. | 38 // e.g. for the purposes of doing a multipass layout. |
39 // | 39 // |
40 // It should only be used during layout. Outside of layout, you should | 40 // It should only be used during layout. Outside of layout, you should |
41 // just call renderer->setNeedsLayout() directly. | 41 // just call layoutObject->setNeedsLayout() directly. |
42 // | 42 // |
43 // It ensures that you don't accidentally mark part of the tree as | 43 // It ensures that you don't accidentally mark part of the tree as |
44 // needing layout and not actually lay it out. | 44 // needing layout and not actually lay it out. |
45 | 45 |
46 namespace blink { | 46 namespace blink { |
47 | 47 |
48 class LayoutObject; | 48 class LayoutObject; |
49 | 49 |
50 class SubtreeLayoutScope { | 50 class SubtreeLayoutScope { |
51 public: | 51 public: |
52 SubtreeLayoutScope(LayoutObject& root); | 52 SubtreeLayoutScope(LayoutObject& root); |
53 ~SubtreeLayoutScope(); | 53 ~SubtreeLayoutScope(); |
54 | 54 |
55 void setNeedsLayout(LayoutObject* descendant, LayoutInvalidationReasonForTra
cing); | 55 void setNeedsLayout(LayoutObject* descendant, LayoutInvalidationReasonForTra
cing); |
56 void setChildNeedsLayout(LayoutObject* descendant); | 56 void setChildNeedsLayout(LayoutObject* descendant); |
57 | 57 |
58 LayoutObject& root() { return m_root; } | 58 LayoutObject& root() { return m_root; } |
59 void addRendererToLayout(LayoutObject* renderer); | 59 void recordObjectMarkedForLayout(LayoutObject*); |
60 | 60 |
61 private: | 61 private: |
62 LayoutObject& m_root; | 62 LayoutObject& m_root; |
63 | 63 |
64 #if ENABLE(ASSERT) | 64 #if ENABLE(ASSERT) |
65 HashSet<LayoutObject*> m_renderersToLayout; | 65 HashSet<LayoutObject*> m_layoutObjectsToLayout; |
66 #endif | 66 #endif |
67 }; | 67 }; |
68 | 68 |
69 } | 69 } |
70 | 70 |
71 #endif | 71 #endif |
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