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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 |
| (...skipping 23 matching lines...) Expand all Loading... |
| 34 #include "core/dom/MutationObserver.h" | 34 #include "core/dom/MutationObserver.h" |
| 35 #include "platform/heap/Handle.h" | 35 #include "platform/heap/Handle.h" |
| 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 blink { | 40 namespace blink { |
| 41 | 41 |
| 42 class QualifiedName; | 42 class QualifiedName; |
| 43 | 43 |
| 44 class MutationObserverRegistration final : public NoBaseWillBeGarbageCollectedFi
nalized<MutationObserverRegistration> { | 44 class MutationObserverRegistration final : public GarbageCollectedFinalized<Muta
tionObserverRegistration> { |
| 45 USING_FAST_MALLOC_WILL_BE_REMOVED(MutationObserverRegistration); | |
| 46 public: | 45 public: |
| 47 static PassOwnPtrWillBeRawPtr<MutationObserverRegistration> create(MutationO
bserver&, Node*, MutationObserverOptions, const HashSet<AtomicString>& attribute
Filter); | 46 static RawPtr<MutationObserverRegistration> create(MutationObserver&, Node*,
MutationObserverOptions, const HashSet<AtomicString>& attributeFilter); |
| 48 ~MutationObserverRegistration(); | 47 ~MutationObserverRegistration(); |
| 49 | 48 |
| 50 void resetObservation(MutationObserverOptions, const HashSet<AtomicString>&
attributeFilter); | 49 void resetObservation(MutationObserverOptions, const HashSet<AtomicString>&
attributeFilter); |
| 51 void observedSubtreeNodeWillDetach(Node&); | 50 void observedSubtreeNodeWillDetach(Node&); |
| 52 void clearTransientRegistrations(); | 51 void clearTransientRegistrations(); |
| 53 bool hasTransientRegistrations() const { return m_transientRegistrationNodes
&& !m_transientRegistrationNodes->isEmpty(); } | 52 bool hasTransientRegistrations() const { return m_transientRegistrationNodes
&& !m_transientRegistrationNodes->isEmpty(); } |
| 54 void unregister(); | 53 void unregister(); |
| 55 | 54 |
| 56 bool shouldReceiveMutationFrom(Node&, MutationObserver::MutationType, const
QualifiedName* attributeName) const; | 55 bool shouldReceiveMutationFrom(Node&, MutationObserver::MutationType, const
QualifiedName* attributeName) const; |
| 57 bool isSubtree() const { return m_options & MutationObserver::Subtree; } | 56 bool isSubtree() const { return m_options & MutationObserver::Subtree; } |
| 58 | 57 |
| 59 MutationObserver& observer() const { return *m_observer; } | 58 MutationObserver& observer() const { return *m_observer; } |
| 60 MutationRecordDeliveryOptions deliveryOptions() const { return m_options & (
MutationObserver::AttributeOldValue | MutationObserver::CharacterDataOldValue);
} | 59 MutationRecordDeliveryOptions deliveryOptions() const { return m_options & (
MutationObserver::AttributeOldValue | MutationObserver::CharacterDataOldValue);
} |
| 61 MutationObserverOptions mutationTypes() const { return m_options & MutationO
bserver::AllMutationTypes; } | 60 MutationObserverOptions mutationTypes() const { return m_options & MutationO
bserver::AllMutationTypes; } |
| 62 | 61 |
| 63 void addRegistrationNodesToSet(WillBeHeapHashSet<RawPtrWillBeMember<Node>>&)
const; | 62 void addRegistrationNodesToSet(HeapHashSet<Member<Node>>&) const; |
| 64 | 63 |
| 65 DECLARE_TRACE(); | 64 DECLARE_TRACE(); |
| 66 | 65 |
| 67 void dispose(); | 66 void dispose(); |
| 68 | 67 |
| 69 private: | 68 private: |
| 70 MutationObserverRegistration(MutationObserver&, Node*, MutationObserverOptio
ns, const HashSet<AtomicString>& attributeFilter); | 69 MutationObserverRegistration(MutationObserver&, Node*, MutationObserverOptio
ns, const HashSet<AtomicString>& attributeFilter); |
| 71 | 70 |
| 72 RefPtrWillBeMember<MutationObserver> m_observer; | 71 Member<MutationObserver> m_observer; |
| 73 RawPtrWillBeWeakMember<Node> m_registrationNode; | 72 WeakMember<Node> m_registrationNode; |
| 74 RefPtrWillBeMember<Node> m_registrationNodeKeepAlive; | 73 Member<Node> m_registrationNodeKeepAlive; |
| 75 typedef WillBeHeapHashSet<RefPtrWillBeMember<Node>> NodeHashSet; | 74 typedef HeapHashSet<Member<Node>> NodeHashSet; |
| 76 OwnPtrWillBeMember<NodeHashSet> m_transientRegistrationNodes; | 75 Member<NodeHashSet> m_transientRegistrationNodes; |
| 77 | 76 |
| 78 MutationObserverOptions m_options; | 77 MutationObserverOptions m_options; |
| 79 HashSet<AtomicString> m_attributeFilter; | 78 HashSet<AtomicString> m_attributeFilter; |
| 80 }; | 79 }; |
| 81 | 80 |
| 82 } // namespace blink | 81 } // namespace blink |
| 83 | 82 |
| 84 #endif // MutationObserverRegistration_h | 83 #endif // MutationObserverRegistration_h |
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