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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 | 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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39 class DocumentLifecycleNotifier : public LifecycleNotifier<Document> { | 39 class DocumentLifecycleNotifier : public LifecycleNotifier<Document> { |
40 public: | 40 public: |
41 void notifyDocumentWasDetached(); | 41 void notifyDocumentWasDetached(); |
42 #if !ENABLE(OILPAN) | 42 #if !ENABLE(OILPAN) |
43 void notifyDocumentWasDisposed(); | 43 void notifyDocumentWasDisposed(); |
44 #endif | 44 #endif |
45 | 45 |
46 virtual void addObserver(Observer*) override final; | 46 virtual void addObserver(Observer*) override final; |
47 virtual void removeObserver(Observer*) override final; | 47 virtual void removeObserver(Observer*) override final; |
48 | 48 |
| 49 virtual void trace(Visitor*) override; |
| 50 |
49 protected: | 51 protected: |
50 explicit DocumentLifecycleNotifier(Document*); | 52 explicit DocumentLifecycleNotifier(Document*); |
51 | 53 |
52 private: | 54 private: |
53 using DocumentObserverSet = HashSet<DocumentLifecycleObserver*>; | 55 using DocumentObserverSet = WillBeHeapHashSet<RawPtrWillBeWeakMember<Documen
tLifecycleObserver>>; |
54 DocumentObserverSet m_documentObservers; | 56 DocumentObserverSet m_documentObservers; |
55 }; | 57 }; |
56 | 58 |
57 } // namespace blink | 59 } // namespace blink |
58 | 60 |
59 #endif // DocumentLifecycleNotifier_h | 61 #endif // DocumentLifecycleNotifier_h |
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