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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 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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41 namespace blink { | 41 namespace blink { |
42 | 42 |
43 class Node; | 43 class Node; |
44 struct WrapperTypeInfo; | 44 struct WrapperTypeInfo; |
45 | 45 |
46 class V8DOMWrapper { | 46 class V8DOMWrapper { |
47 public: | 47 public: |
48 static v8::Local<v8::Object> createWrapper(v8::Handle<v8::Object> creationCo
ntext, const WrapperTypeInfo*, ScriptWrappableBase*, v8::Isolate*); | 48 static v8::Local<v8::Object> createWrapper(v8::Handle<v8::Object> creationCo
ntext, const WrapperTypeInfo*, ScriptWrappableBase*, v8::Isolate*); |
49 | 49 |
50 template<typename V8T, typename T> | 50 template<typename V8T, typename T> |
51 static v8::Handle<v8::Object> associateObjectWithWrapper(PassRefPtr<T>, cons
t WrapperTypeInfo*, v8::Handle<v8::Object>, v8::Isolate*); | 51 static v8::Handle<v8::Object> associateObjectWithWrapper(v8::Isolate*, PassR
efPtr<T>, const WrapperTypeInfo*, v8::Handle<v8::Object>); |
52 template<typename V8T, typename T> | 52 template<typename V8T, typename T> |
53 static v8::Handle<v8::Object> associateObjectWithWrapper(RawPtr<T> object, c
onst WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isola
te* isolate) | 53 static v8::Handle<v8::Object> associateObjectWithWrapper(v8::Isolate* isolat
e, RawPtr<T> object, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Obje
ct> wrapper) |
54 { | 54 { |
55 return associateObjectWithWrapper<V8T, T>(object.get(), wrapperTypeInfo,
wrapper, isolate); | 55 return associateObjectWithWrapper<V8T, T>(isolate, object.get(), wrapper
TypeInfo, wrapper); |
56 } | 56 } |
57 template<typename V8T, typename T> | 57 template<typename V8T, typename T> |
58 static v8::Handle<v8::Object> associateObjectWithWrapper(T*, const WrapperTy
peInfo*, v8::Handle<v8::Object>, v8::Isolate*); | 58 static v8::Handle<v8::Object> associateObjectWithWrapper(v8::Isolate*, T*, c
onst WrapperTypeInfo*, v8::Handle<v8::Object>); |
59 static v8::Handle<v8::Object> associateObjectWithWrapperNonTemplate(ScriptWr
appable*, const WrapperTypeInfo*, v8::Handle<v8::Object>, v8::Isolate*); | 59 static v8::Handle<v8::Object> associateObjectWithWrapperNonTemplate(v8::Isol
ate*, ScriptWrappable*, const WrapperTypeInfo*, v8::Handle<v8::Object>); |
60 static v8::Handle<v8::Object> associateObjectWithWrapperNonTemplate(Node*, c
onst WrapperTypeInfo*, v8::Handle<v8::Object>, v8::Isolate*); | 60 static v8::Handle<v8::Object> associateObjectWithWrapperNonTemplate(v8::Isol
ate*, Node*, const WrapperTypeInfo*, v8::Handle<v8::Object>); |
61 static void setNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*, Sc
riptWrappableBase*); | 61 static void setNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*, Sc
riptWrappableBase*); |
62 static void clearNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*); | 62 static void clearNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*); |
63 | 63 |
64 static bool isDOMWrapper(v8::Handle<v8::Value>); | 64 static bool isDOMWrapper(v8::Handle<v8::Value>); |
65 }; | 65 }; |
66 | 66 |
67 inline void V8DOMWrapper::setNativeInfo(v8::Handle<v8::Object> wrapper, const Wr
apperTypeInfo* wrapperTypeInfo, ScriptWrappableBase* scriptWrappableBase) | 67 inline void V8DOMWrapper::setNativeInfo(v8::Handle<v8::Object> wrapper, const Wr
apperTypeInfo* wrapperTypeInfo, ScriptWrappableBase* scriptWrappableBase) |
68 { | 68 { |
69 ASSERT(wrapper->InternalFieldCount() >= 2); | 69 ASSERT(wrapper->InternalFieldCount() >= 2); |
70 ASSERT(scriptWrappableBase); | 70 ASSERT(scriptWrappableBase); |
71 ASSERT(wrapperTypeInfo); | 71 ASSERT(wrapperTypeInfo); |
72 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, scriptWra
ppableBase); | 72 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, scriptWra
ppableBase); |
73 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<
WrapperTypeInfo*>(wrapperTypeInfo)); | 73 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<
WrapperTypeInfo*>(wrapperTypeInfo)); |
74 } | 74 } |
75 | 75 |
76 inline void V8DOMWrapper::clearNativeInfo(v8::Handle<v8::Object> wrapper, const
WrapperTypeInfo* wrapperTypeInfo) | 76 inline void V8DOMWrapper::clearNativeInfo(v8::Handle<v8::Object> wrapper, const
WrapperTypeInfo* wrapperTypeInfo) |
77 { | 77 { |
78 ASSERT(wrapper->InternalFieldCount() >= 2); | 78 ASSERT(wrapper->InternalFieldCount() >= 2); |
79 ASSERT(wrapperTypeInfo); | 79 ASSERT(wrapperTypeInfo); |
80 // clearNativeInfo() is used only by NP objects, which are not garbage colle
cted. | 80 // clearNativeInfo() is used only by NP objects, which are not garbage colle
cted. |
81 ASSERT(wrapperTypeInfo->gcType == WrapperTypeInfo::RefCountedObject); | 81 ASSERT(wrapperTypeInfo->gcType == WrapperTypeInfo::RefCountedObject); |
82 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<
WrapperTypeInfo*>(wrapperTypeInfo)); | 82 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<
WrapperTypeInfo*>(wrapperTypeInfo)); |
83 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, 0); | 83 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, 0); |
84 } | 84 } |
85 | 85 |
86 template<typename V8T, typename T> | 86 template<typename V8T, typename T> |
87 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(PassRefPt
r<T> object, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrap
per, v8::Isolate* isolate) | 87 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(v8::Isola
te* isolate, PassRefPtr<T> object, const WrapperTypeInfo* wrapperTypeInfo, v8::H
andle<v8::Object> wrapper) |
88 { | 88 { |
89 setNativeInfo(wrapper, wrapperTypeInfo, V8T::toScriptWrappableBase(object.ge
t())); | 89 setNativeInfo(wrapper, wrapperTypeInfo, V8T::toScriptWrappableBase(object.ge
t())); |
90 ASSERT(isDOMWrapper(wrapper)); | 90 ASSERT(isDOMWrapper(wrapper)); |
91 DOMDataStore::setWrapper<V8T>(object.leakRef(), wrapper, isolate, wrapperTyp
eInfo); | 91 DOMDataStore::setWrapper<V8T>(object.leakRef(), wrapper, isolate, wrapperTyp
eInfo); |
92 return wrapper; | 92 return wrapper; |
93 } | 93 } |
94 | 94 |
95 template<typename V8T, typename T> | 95 template<typename V8T, typename T> |
96 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(T* object
, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Is
olate* isolate) | 96 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(v8::Isola
te* isolate, T* object, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::O
bject> wrapper) |
97 { | 97 { |
98 setNativeInfo(wrapper, wrapperTypeInfo, V8T::toScriptWrappableBase(object)); | 98 setNativeInfo(wrapper, wrapperTypeInfo, V8T::toScriptWrappableBase(object)); |
99 ASSERT(isDOMWrapper(wrapper)); | 99 ASSERT(isDOMWrapper(wrapper)); |
100 DOMDataStore::setWrapper<V8T>(object, wrapper, isolate, wrapperTypeInfo); | 100 DOMDataStore::setWrapper<V8T>(object, wrapper, isolate, wrapperTypeInfo); |
101 return wrapper; | 101 return wrapper; |
102 } | 102 } |
103 | 103 |
104 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapperNonTemplat
e(ScriptWrappable* impl, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::
Object> wrapper, v8::Isolate* isolate) | 104 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapperNonTemplat
e(v8::Isolate* isolate, ScriptWrappable* impl, const WrapperTypeInfo* wrapperTyp
eInfo, v8::Handle<v8::Object> wrapper) |
105 { | 105 { |
106 wrapperTypeInfo->refObject(impl->toScriptWrappableBase()); | 106 wrapperTypeInfo->refObject(impl->toScriptWrappableBase()); |
107 setNativeInfo(wrapper, wrapperTypeInfo, impl->toScriptWrappableBase()); | 107 setNativeInfo(wrapper, wrapperTypeInfo, impl->toScriptWrappableBase()); |
108 ASSERT(isDOMWrapper(wrapper)); | 108 ASSERT(isDOMWrapper(wrapper)); |
109 DOMDataStore::setWrapperNonTemplate(impl, wrapper, isolate, wrapperTypeInfo)
; | 109 DOMDataStore::setWrapperNonTemplate(impl, wrapper, isolate, wrapperTypeInfo)
; |
110 return wrapper; | 110 return wrapper; |
111 } | 111 } |
112 | 112 |
113 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapperNonTemplat
e(Node* node, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wra
pper, v8::Isolate* isolate) | 113 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapperNonTemplat
e(v8::Isolate* isolate, Node* node, const WrapperTypeInfo* wrapperTypeInfo, v8::
Handle<v8::Object> wrapper) |
114 { | 114 { |
115 wrapperTypeInfo->refObject(ScriptWrappable::fromNode(node)->toScriptWrappabl
eBase()); | 115 wrapperTypeInfo->refObject(ScriptWrappable::fromNode(node)->toScriptWrappabl
eBase()); |
116 setNativeInfo(wrapper, wrapperTypeInfo, ScriptWrappable::fromNode(node)->toS
criptWrappableBase()); | 116 setNativeInfo(wrapper, wrapperTypeInfo, ScriptWrappable::fromNode(node)->toS
criptWrappableBase()); |
117 ASSERT(isDOMWrapper(wrapper)); | 117 ASSERT(isDOMWrapper(wrapper)); |
118 DOMDataStore::setWrapperNonTemplate(node, wrapper, isolate, wrapperTypeInfo)
; | 118 DOMDataStore::setWrapperNonTemplate(node, wrapper, isolate, wrapperTypeInfo)
; |
119 return wrapper; | 119 return wrapper; |
120 } | 120 } |
121 | 121 |
122 class V8WrapperInstantiationScope { | 122 class V8WrapperInstantiationScope { |
123 public: | 123 public: |
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149 v8::Handle<v8::Context> context() const { return m_context; } | 149 v8::Handle<v8::Context> context() const { return m_context; } |
150 | 150 |
151 private: | 151 private: |
152 bool m_didEnterContext; | 152 bool m_didEnterContext; |
153 v8::Handle<v8::Context> m_context; | 153 v8::Handle<v8::Context> m_context; |
154 }; | 154 }; |
155 | 155 |
156 } // namespace blink | 156 } // namespace blink |
157 | 157 |
158 #endif // V8DOMWrapper_h | 158 #endif // V8DOMWrapper_h |
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