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1 /* | 1 /* |
2 * Copyright (C) 2014 Google Inc. All rights reserved. | 2 * Copyright (C) 2014 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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50 { | 50 { |
51 return adoptRef(new DescendantInvalidationSet); | 51 return adoptRef(new DescendantInvalidationSet); |
52 } | 52 } |
53 | 53 |
54 void combine(const DescendantInvalidationSet& other); | 54 void combine(const DescendantInvalidationSet& other); |
55 | 55 |
56 void addClass(const AtomicString& className); | 56 void addClass(const AtomicString& className); |
57 void addId(const AtomicString& id); | 57 void addId(const AtomicString& id); |
58 void addTagName(const AtomicString& tagName); | 58 void addTagName(const AtomicString& tagName); |
59 | 59 |
| 60 // Appends the classes in this DescendantInvalidationSet to the vector. |
| 61 void getClasses(Vector<AtomicString>& classes); |
| 62 |
60 void setWholeSubtreeInvalid() { m_allDescendantsMightBeInvalid = true; }; | 63 void setWholeSubtreeInvalid() { m_allDescendantsMightBeInvalid = true; }; |
61 | 64 bool wholeSubtreeInvalid() { return m_allDescendantsMightBeInvalid; } |
62 private: | 65 private: |
63 DescendantInvalidationSet(); | 66 DescendantInvalidationSet(); |
64 | 67 |
65 bool invalidateElementSubtreeInternal(Element*); | 68 bool invalidateElementSubtreeInternal(Element*); |
66 // If true, all descendants might be invalidated, so a full subtree recalc i
s required. | 69 // If true, all descendants might be invalidated, so a full subtree recalc i
s required. |
67 bool m_allDescendantsMightBeInvalid; | 70 bool m_allDescendantsMightBeInvalid; |
68 | 71 |
69 // FIXME: optimize this if it becomes a memory issue. | 72 // FIXME: optimize this if it becomes a memory issue. |
70 HashSet<AtomicString> m_classes; | 73 HashSet<AtomicString> m_classes; |
71 HashSet<AtomicString> m_ids; | 74 HashSet<AtomicString> m_ids; |
72 HashSet<AtomicString> m_tagNames; | 75 HashSet<AtomicString> m_tagNames; |
73 }; | 76 }; |
74 | 77 |
75 } // namespace WebCore | 78 } // namespace WebCore |
76 | 79 |
77 #endif // DescendantInvalidationSet_h | 80 #endif // DescendantInvalidationSet_h |
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