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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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36 #include "platform/Timer.h" | 36 #include "platform/Timer.h" |
37 #include "wtf/HashCountedSet.h" | 37 #include "wtf/HashCountedSet.h" |
38 #include "wtf/HashSet.h" | 38 #include "wtf/HashSet.h" |
39 #include "wtf/RefPtr.h" | 39 #include "wtf/RefPtr.h" |
40 #include "wtf/Vector.h" | 40 #include "wtf/Vector.h" |
41 #include "wtf/WeakPtr.h" | 41 #include "wtf/WeakPtr.h" |
42 #include "wtf/text/WTFString.h" | 42 #include "wtf/text/WTFString.h" |
43 | 43 |
44 namespace WebCore { | 44 namespace WebCore { |
45 | 45 |
46 class CSSSelectorWatch : public DocumentSupplement { | 46 class CSSSelectorWatch FINAL : public NoBaseWillBeGarbageCollectedFinalized<CSSS electorWatch>, public DocumentSupplement { |
47 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(CSSSelectorWatch); | |
47 public: | 48 public: |
48 virtual ~CSSSelectorWatch() { } | 49 virtual ~CSSSelectorWatch() { } |
49 | 50 |
50 static CSSSelectorWatch& from(Document&); | 51 static CSSSelectorWatch& from(Document&); |
51 | 52 |
52 void watchCSSSelectors(const Vector<String>& selectors); | 53 void watchCSSSelectors(const Vector<String>& selectors); |
53 const WillBeHeapVector<RefPtrWillBeMember<StyleRule> >& watchedCallbackSelec tors() const { return m_watchedCallbackSelectors; } | 54 const WillBeHeapVector<RefPtrWillBeMember<StyleRule> >& watchedCallbackSelec tors() const { return m_watchedCallbackSelectors; } |
54 | 55 |
55 void updateSelectorMatches(const Vector<String>& removedSelectors, const Vec tor<String>& addedSelectors); | 56 void updateSelectorMatches(const Vector<String>& removedSelectors, const Vec tor<String>& addedSelectors); |
56 | 57 |
57 virtual void trace(Visitor*) OVERRIDE { } | 58 virtual void trace(Visitor*) OVERRIDE; |
58 | 59 |
59 private: | 60 private: |
60 CSSSelectorWatch(Document&); | 61 CSSSelectorWatch(Document&); |
haraken
2014/04/30 02:41:22
Add explicit.
zerny-chromium
2014/04/30 08:29:34
Done.
| |
61 void callbackSelectorChangeTimerFired(Timer<CSSSelectorWatch>*); | 62 void callbackSelectorChangeTimerFired(Timer<CSSSelectorWatch>*); |
62 | 63 |
63 Document& m_document; | 64 Document& m_document; |
64 | 65 |
65 WillBePersistentHeapVector<RefPtrWillBeMember<StyleRule> > m_watchedCallback Selectors; | 66 WillBeHeapVector<RefPtrWillBeMember<StyleRule> > m_watchedCallbackSelectors; |
66 | 67 |
67 // Maps a CSS selector string with a -webkit-callback property to the number | 68 // Maps a CSS selector string with a -webkit-callback property to the number |
68 // of matching RenderStyle objects in this document. | 69 // of matching RenderStyle objects in this document. |
69 HashCountedSet<String> m_matchingCallbackSelectors; | 70 HashCountedSet<String> m_matchingCallbackSelectors; |
70 // Selectors are relative to m_matchingCallbackSelectors's contents at | 71 // Selectors are relative to m_matchingCallbackSelectors's contents at |
71 // the previous call to selectorMatchChanged. | 72 // the previous call to selectorMatchChanged. |
72 HashSet<String> m_addedSelectors; | 73 HashSet<String> m_addedSelectors; |
73 HashSet<String> m_removedSelectors; | 74 HashSet<String> m_removedSelectors; |
74 | 75 |
75 Timer<CSSSelectorWatch> m_callbackSelectorChangeTimer; | 76 Timer<CSSSelectorWatch> m_callbackSelectorChangeTimer; |
76 | 77 |
77 // When an element is reparented, the new location's style is evaluated afte r the expriation of the relayout timer. | 78 // When an element is reparented, the new location's style is evaluated afte r the expriation of the relayout timer. |
78 // We don't want to send redundant callbacks to the embedder, so this counte r lets us wait another time around the event loop. | 79 // We don't want to send redundant callbacks to the embedder, so this counte r lets us wait another time around the event loop. |
79 int m_timerExpirations; | 80 int m_timerExpirations; |
80 }; | 81 }; |
81 | 82 |
82 } // namespace WebCore | 83 } // namespace WebCore |
83 | 84 |
84 #endif // CSSSelectorWatch_h | 85 #endif // CSSSelectorWatch_h |
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