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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 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 "wtf/HashSet.h" | 36 #include "wtf/HashSet.h" |
37 #include "wtf/text/AtomicString.h" | 37 #include "wtf/text/AtomicString.h" |
38 #include "wtf/text/AtomicStringHash.h" | 38 #include "wtf/text/AtomicStringHash.h" |
39 | 39 |
40 namespace WebCore { | 40 namespace WebCore { |
41 | 41 |
42 class QualifiedName; | 42 class QualifiedName; |
43 | 43 |
44 class MutationObserverRegistration FINAL : public NoBaseWillBeGarbageCollectedFi
nalized<MutationObserverRegistration> { | 44 class MutationObserverRegistration FINAL : public NoBaseWillBeGarbageCollectedFi
nalized<MutationObserverRegistration> { |
45 public: | 45 public: |
46 static PassOwnPtrWillBeRawPtr<MutationObserverRegistration> create(MutationO
bserver&, Node&, MutationObserverOptions, const HashSet<AtomicString>& attribute
Filter); | 46 static PassOwnPtrWillBeRawPtr<MutationObserverRegistration> create(MutationO
bserver&, Node*, MutationObserverOptions, const HashSet<AtomicString>& attribute
Filter); |
47 ~MutationObserverRegistration(); | 47 ~MutationObserverRegistration(); |
48 | 48 |
49 void resetObservation(MutationObserverOptions, const HashSet<AtomicString>&
attributeFilter); | 49 void resetObservation(MutationObserverOptions, const HashSet<AtomicString>&
attributeFilter); |
50 void observedSubtreeNodeWillDetach(Node&); | 50 void observedSubtreeNodeWillDetach(Node&); |
51 void clearTransientRegistrations(); | 51 void clearTransientRegistrations(); |
52 bool hasTransientRegistrations() const { return m_transientRegistrationNodes
&& !m_transientRegistrationNodes->isEmpty(); } | 52 bool hasTransientRegistrations() const { return m_transientRegistrationNodes
&& !m_transientRegistrationNodes->isEmpty(); } |
53 void unregister(); | 53 void unregister(); |
54 | 54 |
55 bool shouldReceiveMutationFrom(Node&, MutationObserver::MutationType, const
QualifiedName* attributeName) const; | 55 bool shouldReceiveMutationFrom(Node&, MutationObserver::MutationType, const
QualifiedName* attributeName) const; |
56 bool isSubtree() const { return m_options & MutationObserver::Subtree; } | 56 bool isSubtree() const { return m_options & MutationObserver::Subtree; } |
57 | 57 |
58 MutationObserver& observer() const { return *m_observer; } | 58 MutationObserver& observer() const { return *m_observer; } |
59 MutationRecordDeliveryOptions deliveryOptions() const { return m_options & (
MutationObserver::AttributeOldValue | MutationObserver::CharacterDataOldValue);
} | 59 MutationRecordDeliveryOptions deliveryOptions() const { return m_options & (
MutationObserver::AttributeOldValue | MutationObserver::CharacterDataOldValue);
} |
60 MutationObserverOptions mutationTypes() const { return m_options & MutationO
bserver::AllMutationTypes; } | 60 MutationObserverOptions mutationTypes() const { return m_options & MutationO
bserver::AllMutationTypes; } |
61 | 61 |
62 void addRegistrationNodesToSet(HashSet<Node*>&) const; | 62 void addRegistrationNodesToSet(HashSet<Node*>&) const; |
63 | 63 |
64 void trace(Visitor*); | 64 void trace(Visitor*); |
| 65 #if ENABLE(OILPAN) |
| 66 void clearWeakMembers(Visitor*); |
| 67 #endif |
65 | 68 |
66 void dispose(); | 69 void dispose(); |
67 | 70 |
68 private: | 71 private: |
69 MutationObserverRegistration(MutationObserver&, Node&, MutationObserverOptio
ns, const HashSet<AtomicString>& attributeFilter); | 72 MutationObserverRegistration(MutationObserver&, Node*, MutationObserverOptio
ns, const HashSet<AtomicString>& attributeFilter); |
70 | 73 |
71 RefPtrWillBeMember<MutationObserver> m_observer; | 74 RefPtrWillBeMember<MutationObserver> m_observer; |
72 Node& m_registrationNode; | 75 RawPtrWillBeMember<Node> m_registrationNode; |
| 76 #if ENABLE(OILPAN) |
| 77 bool m_keepAlive; |
| 78 #else |
73 RefPtr<Node> m_registrationNodeKeepAlive; | 79 RefPtr<Node> m_registrationNodeKeepAlive; |
| 80 #endif |
74 typedef HashSet<RefPtr<Node> > NodeHashSet; | 81 typedef HashSet<RefPtr<Node> > NodeHashSet; |
75 OwnPtr<NodeHashSet> m_transientRegistrationNodes; | 82 OwnPtr<NodeHashSet> m_transientRegistrationNodes; |
76 | 83 |
77 MutationObserverOptions m_options; | 84 MutationObserverOptions m_options; |
78 HashSet<AtomicString> m_attributeFilter; | 85 HashSet<AtomicString> m_attributeFilter; |
79 }; | 86 }; |
80 | 87 |
81 } // namespace WebCore | 88 } // namespace WebCore |
82 | 89 |
83 #endif // MutationObserverRegistration_h | 90 #endif // MutationObserverRegistration_h |
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