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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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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef MutationObserverInterestGroup_h | 31 #ifndef MutationObserverInterestGroup_h |
32 #define MutationObserverInterestGroup_h | 32 #define MutationObserverInterestGroup_h |
33 | 33 |
34 #include "core/dom/Document.h" | 34 #include "core/dom/Document.h" |
35 #include "core/dom/MutationObserver.h" | 35 #include "core/dom/MutationObserver.h" |
36 #include "core/dom/Node.h" | 36 #include "core/dom/Node.h" |
37 #include "core/dom/QualifiedName.h" | 37 #include "core/dom/QualifiedName.h" |
| 38 #include "platform/heap/Handle.h" |
38 #include "wtf/HashMap.h" | 39 #include "wtf/HashMap.h" |
39 #include "wtf/PassOwnPtr.h" | 40 #include "wtf/PassOwnPtr.h" |
40 | 41 |
41 namespace WebCore { | 42 namespace WebCore { |
42 | 43 |
43 class MutationObserverInterestGroup { | 44 class MutationObserverInterestGroup FINAL : public NoBaseWillBeGarbageCollectedF
inalized<MutationObserverInterestGroup> { |
44 public: | 45 public: |
45 static PassOwnPtr<MutationObserverInterestGroup> createForChildListMutation(
Node& target) | 46 static PassOwnPtrWillBeRawPtr<MutationObserverInterestGroup> createForChildL
istMutation(Node& target) |
46 { | 47 { |
47 if (!target.document().hasMutationObserversOfType(MutationObserver::Chil
dList)) | 48 if (!target.document().hasMutationObserversOfType(MutationObserver::Chil
dList)) |
48 return nullptr; | 49 return nullptr; |
49 | 50 |
50 MutationRecordDeliveryOptions oldValueFlag = 0; | 51 MutationRecordDeliveryOptions oldValueFlag = 0; |
51 return createIfNeeded(target, MutationObserver::ChildList, oldValueFlag)
; | 52 return createIfNeeded(target, MutationObserver::ChildList, oldValueFlag)
; |
52 } | 53 } |
53 | 54 |
54 static PassOwnPtr<MutationObserverInterestGroup> createForCharacterDataMutat
ion(Node& target) | 55 static PassOwnPtrWillBeRawPtr<MutationObserverInterestGroup> createForCharac
terDataMutation(Node& target) |
55 { | 56 { |
56 if (!target.document().hasMutationObserversOfType(MutationObserver::Char
acterData)) | 57 if (!target.document().hasMutationObserversOfType(MutationObserver::Char
acterData)) |
57 return nullptr; | 58 return nullptr; |
58 | 59 |
59 return createIfNeeded(target, MutationObserver::CharacterData, MutationO
bserver::CharacterDataOldValue); | 60 return createIfNeeded(target, MutationObserver::CharacterData, MutationO
bserver::CharacterDataOldValue); |
60 } | 61 } |
61 | 62 |
62 static PassOwnPtr<MutationObserverInterestGroup> createForAttributesMutation
(Node& target, const QualifiedName& attributeName) | 63 static PassOwnPtrWillBeRawPtr<MutationObserverInterestGroup> createForAttrib
utesMutation(Node& target, const QualifiedName& attributeName) |
63 { | 64 { |
64 if (!target.document().hasMutationObserversOfType(MutationObserver::Attr
ibutes)) | 65 if (!target.document().hasMutationObserversOfType(MutationObserver::Attr
ibutes)) |
65 return nullptr; | 66 return nullptr; |
66 | 67 |
67 return createIfNeeded(target, MutationObserver::Attributes, MutationObse
rver::AttributeOldValue, &attributeName); | 68 return createIfNeeded(target, MutationObserver::Attributes, MutationObse
rver::AttributeOldValue, &attributeName); |
68 } | 69 } |
69 | 70 |
70 bool isOldValueRequested(); | 71 bool isOldValueRequested(); |
71 void enqueueMutationRecord(PassRefPtr<MutationRecord>); | 72 void enqueueMutationRecord(PassRefPtrWillBeRawPtr<MutationRecord>); |
| 73 |
| 74 void trace(Visitor*); |
72 | 75 |
73 private: | 76 private: |
74 static PassOwnPtr<MutationObserverInterestGroup> createIfNeeded(Node& target
, MutationObserver::MutationType, MutationRecordDeliveryOptions oldValueFlag, co
nst QualifiedName* attributeName = 0); | 77 static PassOwnPtrWillBeRawPtr<MutationObserverInterestGroup> createIfNeeded(
Node& target, MutationObserver::MutationType, MutationRecordDeliveryOptions oldV
alueFlag, const QualifiedName* attributeName = 0); |
75 MutationObserverInterestGroup(HashMap<MutationObserver*, MutationRecordDeliv
eryOptions>& observers, MutationRecordDeliveryOptions oldValueFlag); | 78 MutationObserverInterestGroup(WillBeHeapHashMap<RawPtrWillBeMember<MutationO
bserver>, MutationRecordDeliveryOptions>& observers, MutationRecordDeliveryOptio
ns oldValueFlag); |
76 | 79 |
77 bool hasOldValue(MutationRecordDeliveryOptions options) { return options & m
_oldValueFlag; } | 80 bool hasOldValue(MutationRecordDeliveryOptions options) { return options & m
_oldValueFlag; } |
78 | 81 |
79 HashMap<MutationObserver*, MutationRecordDeliveryOptions> m_observers; | 82 WillBeHeapHashMap<RawPtrWillBeMember<MutationObserver>, MutationRecordDelive
ryOptions> m_observers; |
80 MutationRecordDeliveryOptions m_oldValueFlag; | 83 MutationRecordDeliveryOptions m_oldValueFlag; |
81 }; | 84 }; |
82 | 85 |
83 } | 86 } |
84 | 87 |
85 #endif // MutationObserverInterestGroup_h | 88 #endif // MutationObserverInterestGroup_h |
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