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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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24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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 SKY_ENGINE_CORE_DOM_MUTATIONOBSERVER_H_ | 31 #ifndef SKY_ENGINE_CORE_DOM_MUTATIONOBSERVER_H_ |
32 #define SKY_ENGINE_CORE_DOM_MUTATIONOBSERVER_H_ | 32 #define SKY_ENGINE_CORE_DOM_MUTATIONOBSERVER_H_ |
33 | 33 |
34 #include "sky/engine/bindings/core/v8/ScriptWrappable.h" | 34 #include "sky/engine/tonic/dart_wrappable.h" |
35 #include "sky/engine/platform/heap/Handle.h" | 35 #include "sky/engine/platform/heap/Handle.h" |
36 #include "sky/engine/wtf/HashSet.h" | 36 #include "sky/engine/wtf/HashSet.h" |
37 #include "sky/engine/wtf/PassOwnPtr.h" | 37 #include "sky/engine/wtf/PassOwnPtr.h" |
38 #include "sky/engine/wtf/PassRefPtr.h" | 38 #include "sky/engine/wtf/PassRefPtr.h" |
39 #include "sky/engine/wtf/RefCounted.h" | 39 #include "sky/engine/wtf/RefCounted.h" |
40 #include "sky/engine/wtf/RefPtr.h" | 40 #include "sky/engine/wtf/RefPtr.h" |
41 #include "sky/engine/wtf/Vector.h" | 41 #include "sky/engine/wtf/Vector.h" |
42 | 42 |
43 namespace blink { | 43 namespace blink { |
44 | 44 |
45 class Dictionary; | |
46 class ExceptionState; | 45 class ExceptionState; |
47 class MutationCallback; | 46 class MutationCallback; |
48 class MutationObserver; | 47 class MutationObserver; |
49 class MutationObserverRegistration; | 48 class MutationObserverRegistration; |
50 class MutationRecord; | 49 class MutationRecord; |
51 class Node; | 50 class Node; |
52 | 51 |
53 typedef unsigned char MutationObserverOptions; | 52 typedef unsigned char MutationObserverOptions; |
54 typedef unsigned char MutationRecordDeliveryOptions; | 53 typedef unsigned char MutationRecordDeliveryOptions; |
55 | 54 |
56 typedef HashSet<RefPtr<MutationObserver> > MutationObserverSet; | 55 typedef HashSet<RefPtr<MutationObserver> > MutationObserverSet; |
57 typedef HashSet<RawPtr<MutationObserverRegistration> > MutationObserverRegistrat
ionSet; | 56 typedef HashSet<RawPtr<MutationObserverRegistration> > MutationObserverRegistrat
ionSet; |
58 typedef Vector<RefPtr<MutationObserver> > MutationObserverVector; | 57 typedef Vector<RefPtr<MutationObserver> > MutationObserverVector; |
59 typedef Vector<RefPtr<MutationRecord> > MutationRecordVector; | 58 typedef Vector<RefPtr<MutationRecord> > MutationRecordVector; |
60 | 59 |
61 class MutationObserver final : public RefCounted<MutationObserver>, public Scrip
tWrappable { | 60 class MutationObserver final : public RefCounted<MutationObserver>, public DartW
rappable { |
62 DEFINE_WRAPPERTYPEINFO(); | 61 DEFINE_WRAPPERTYPEINFO(); |
63 public: | 62 public: |
64 enum MutationType { | 63 enum MutationType { |
65 ChildList = 1 << 0, | 64 ChildList = 1 << 0, |
66 Attributes = 1 << 1, | 65 Attributes = 1 << 1, |
67 CharacterData = 1 << 2, | 66 CharacterData = 1 << 2, |
68 | 67 |
69 AllMutationTypes = ChildList | Attributes | CharacterData | 68 AllMutationTypes = ChildList | Attributes | CharacterData |
70 }; | 69 }; |
71 | 70 |
72 enum ObservationFlags { | 71 enum ObservationFlags { |
73 Subtree = 1 << 3, | 72 Subtree = 1 << 3, |
74 AttributeFilter = 1 << 4 | 73 AttributeFilter = 1 << 4 |
75 }; | 74 }; |
76 | 75 |
77 enum DeliveryFlags { | 76 enum DeliveryFlags { |
78 AttributeOldValue = 1 << 5, | 77 AttributeOldValue = 1 << 5, |
79 CharacterDataOldValue = 1 << 6, | 78 CharacterDataOldValue = 1 << 6, |
80 }; | 79 }; |
81 | 80 |
82 static PassRefPtr<MutationObserver> create(PassOwnPtr<MutationCallback>); | 81 static PassRefPtr<MutationObserver> create(PassOwnPtr<MutationCallback>); |
83 static void resumeSuspendedObservers(); | 82 static void resumeSuspendedObservers(); |
84 static void deliverMutations(); | 83 static void deliverMutations(); |
85 | 84 |
86 ~MutationObserver(); | 85 ~MutationObserver(); |
87 | 86 |
88 void observe(Node*, const Dictionary&, ExceptionState&); | 87 void observe(Node*, ExceptionState&); |
89 Vector<RefPtr<MutationRecord> > takeRecords(); | 88 Vector<RefPtr<MutationRecord> > takeRecords(); |
90 void disconnect(); | 89 void disconnect(); |
91 void observationStarted(MutationObserverRegistration*); | 90 void observationStarted(MutationObserverRegistration*); |
92 void observationEnded(MutationObserverRegistration*); | 91 void observationEnded(MutationObserverRegistration*); |
93 void enqueueMutationRecord(PassRefPtr<MutationRecord>); | 92 void enqueueMutationRecord(PassRefPtr<MutationRecord>); |
94 void setHasTransientRegistration(); | 93 void setHasTransientRegistration(); |
95 bool canDeliver(); | 94 bool canDeliver(); |
96 | 95 |
97 HashSet<RawPtr<Node> > getObservedNodes() const; | 96 HashSet<RawPtr<Node> > getObservedNodes() const; |
98 | 97 |
99 private: | 98 private: |
100 struct ObserverLessThan; | 99 struct ObserverLessThan; |
101 | 100 |
102 explicit MutationObserver(PassOwnPtr<MutationCallback>); | 101 explicit MutationObserver(PassOwnPtr<MutationCallback>); |
103 void deliver(); | 102 void deliver(); |
104 | 103 |
105 OwnPtr<MutationCallback> m_callback; | 104 OwnPtr<MutationCallback> m_callback; |
106 MutationRecordVector m_records; | 105 MutationRecordVector m_records; |
107 MutationObserverRegistrationSet m_registrations; | 106 MutationObserverRegistrationSet m_registrations; |
108 unsigned m_priority; | 107 unsigned m_priority; |
109 }; | 108 }; |
110 | 109 |
111 } // namespace blink | 110 } // namespace blink |
112 | 111 |
113 #endif // SKY_ENGINE_CORE_DOM_MUTATIONOBSERVER_H_ | 112 #endif // SKY_ENGINE_CORE_DOM_MUTATIONOBSERVER_H_ |
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