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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All Rights Reserved. | 2 * Copyright (C) 2012 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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45 DECLARE_TRACE(); | 45 DECLARE_TRACE(); |
46 void notifyObservers(const AtomicString& id); | 46 void notifyObservers(const AtomicString& id); |
47 bool hasObservers(const AtomicString& id) const; | 47 bool hasObservers(const AtomicString& id) const; |
48 | 48 |
49 private: | 49 private: |
50 IdTargetObserverRegistry() : m_notifyingObserversInSet(nullptr) { } | 50 IdTargetObserverRegistry() : m_notifyingObserversInSet(nullptr) { } |
51 void addObserver(const AtomicString& id, IdTargetObserver*); | 51 void addObserver(const AtomicString& id, IdTargetObserver*); |
52 void removeObserver(const AtomicString& id, IdTargetObserver*); | 52 void removeObserver(const AtomicString& id, IdTargetObserver*); |
53 void notifyObserversInternal(const AtomicString& id); | 53 void notifyObserversInternal(const AtomicString& id); |
54 | 54 |
55 typedef WillBeHeapHashSet<RawPtrWillBeMember<IdTargetObserver> > ObserverSet
; | 55 typedef WillBeHeapHashSet<RawPtrWillBeMember<IdTargetObserver>> ObserverSet; |
56 typedef WillBeHeapHashMap<StringImpl*, OwnPtrWillBeMember<ObserverSet> > IdT
oObserverSetMap; | 56 typedef WillBeHeapHashMap<StringImpl*, OwnPtrWillBeMember<ObserverSet>> IdTo
ObserverSetMap; |
57 IdToObserverSetMap m_registry; | 57 IdToObserverSetMap m_registry; |
58 RawPtrWillBeMember<ObserverSet> m_notifyingObserversInSet; | 58 RawPtrWillBeMember<ObserverSet> m_notifyingObserversInSet; |
59 }; | 59 }; |
60 | 60 |
61 inline void IdTargetObserverRegistry::notifyObservers(const AtomicString& id) | 61 inline void IdTargetObserverRegistry::notifyObservers(const AtomicString& id) |
62 { | 62 { |
63 ASSERT(!m_notifyingObserversInSet); | 63 ASSERT(!m_notifyingObserversInSet); |
64 if (id.isEmpty() || m_registry.isEmpty()) | 64 if (id.isEmpty() || m_registry.isEmpty()) |
65 return; | 65 return; |
66 IdTargetObserverRegistry::notifyObserversInternal(id); | 66 IdTargetObserverRegistry::notifyObserversInternal(id); |
67 } | 67 } |
68 | 68 |
69 } // namespace blink | 69 } // namespace blink |
70 | 70 |
71 #endif // IdTargetObserverRegistry_h | 71 #endif // IdTargetObserverRegistry_h |
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