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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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40 | 40 |
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::Isolate*, v8::Handle<v8::Obje
ct> creationContext, const WrapperTypeInfo*, ScriptWrappableBase*); | 48 static v8::Local<v8::Object> createWrapper(v8::Isolate*, v8::Handle<v8::Obje
ct> creationContext, const WrapperTypeInfo*, ScriptWrappableBase*); |
49 | 49 |
50 static v8::Handle<v8::Object> associateObjectWithWrapper(v8::Isolate*, Scrip
tWrappableBase*, const WrapperTypeInfo*, v8::Handle<v8::Object> wrapper); | |
51 static v8::Handle<v8::Object> associateObjectWithWrapper(v8::Isolate*, Scrip
tWrappable*, const WrapperTypeInfo*, v8::Handle<v8::Object>); | 50 static v8::Handle<v8::Object> associateObjectWithWrapper(v8::Isolate*, Scrip
tWrappable*, const WrapperTypeInfo*, v8::Handle<v8::Object>); |
52 static v8::Handle<v8::Object> associateObjectWithWrapper(v8::Isolate*, Node*
, const WrapperTypeInfo*, v8::Handle<v8::Object>); | 51 static v8::Handle<v8::Object> associateObjectWithWrapper(v8::Isolate*, Node*
, const WrapperTypeInfo*, v8::Handle<v8::Object>); |
53 static void setNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*, Sc
riptWrappableBase*); | 52 static void setNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*, Sc
riptWrappableBase*); |
54 static void clearNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*); | 53 static void clearNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*); |
55 | 54 |
56 static bool isDOMWrapper(v8::Handle<v8::Value>); | 55 static bool isDOMWrapper(v8::Handle<v8::Value>); |
57 }; | 56 }; |
58 | 57 |
59 inline void V8DOMWrapper::setNativeInfo(v8::Handle<v8::Object> wrapper, const Wr
apperTypeInfo* wrapperTypeInfo, ScriptWrappableBase* scriptWrappableBase) | 58 inline void V8DOMWrapper::setNativeInfo(v8::Handle<v8::Object> wrapper, const Wr
apperTypeInfo* wrapperTypeInfo, ScriptWrappableBase* scriptWrappableBase) |
60 { | 59 { |
61 ASSERT(wrapper->InternalFieldCount() >= 2); | 60 ASSERT(wrapper->InternalFieldCount() >= 2); |
62 ASSERT(scriptWrappableBase); | 61 ASSERT(scriptWrappableBase); |
63 ASSERT(wrapperTypeInfo); | 62 ASSERT(wrapperTypeInfo); |
64 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, scriptWra
ppableBase); | 63 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, scriptWra
ppableBase); |
65 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<
WrapperTypeInfo*>(wrapperTypeInfo)); | 64 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<
WrapperTypeInfo*>(wrapperTypeInfo)); |
66 } | 65 } |
67 | 66 |
68 inline void V8DOMWrapper::clearNativeInfo(v8::Handle<v8::Object> wrapper, const
WrapperTypeInfo* wrapperTypeInfo) | 67 inline void V8DOMWrapper::clearNativeInfo(v8::Handle<v8::Object> wrapper, const
WrapperTypeInfo* wrapperTypeInfo) |
69 { | 68 { |
70 ASSERT(wrapper->InternalFieldCount() >= 2); | 69 ASSERT(wrapper->InternalFieldCount() >= 2); |
71 ASSERT(wrapperTypeInfo); | 70 ASSERT(wrapperTypeInfo); |
72 // clearNativeInfo() is used only by NP objects, which are not garbage colle
cted. | 71 // clearNativeInfo() is used only by NP objects, which are not garbage colle
cted. |
73 ASSERT(wrapperTypeInfo->gcType == WrapperTypeInfo::RefCountedObject); | 72 ASSERT(wrapperTypeInfo->gcType == WrapperTypeInfo::RefCountedObject); |
74 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<
WrapperTypeInfo*>(wrapperTypeInfo)); | 73 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<
WrapperTypeInfo*>(wrapperTypeInfo)); |
75 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, 0); | 74 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, 0); |
76 } | 75 } |
77 | 76 |
78 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(v8::Isola
te* isolate, ScriptWrappableBase* impl, const WrapperTypeInfo* wrapperTypeInfo,
v8::Handle<v8::Object> wrapper) | |
79 { | |
80 wrapperTypeInfo->refObject(impl); | |
81 setNativeInfo(wrapper, wrapperTypeInfo, impl); | |
82 ASSERT(isDOMWrapper(wrapper)); | |
83 DOMDataStore::setWrapper(impl, wrapper, isolate, wrapperTypeInfo); | |
84 return wrapper; | |
85 } | |
86 | |
87 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(v8::Isola
te* isolate, ScriptWrappable* impl, const WrapperTypeInfo* wrapperTypeInfo, v8::
Handle<v8::Object> wrapper) | 77 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(v8::Isola
te* isolate, ScriptWrappable* impl, const WrapperTypeInfo* wrapperTypeInfo, v8::
Handle<v8::Object> wrapper) |
88 { | 78 { |
89 wrapperTypeInfo->refObject(impl->toScriptWrappableBase()); | 79 wrapperTypeInfo->refObject(impl->toScriptWrappableBase()); |
90 setNativeInfo(wrapper, wrapperTypeInfo, impl->toScriptWrappableBase()); | 80 setNativeInfo(wrapper, wrapperTypeInfo, impl->toScriptWrappableBase()); |
91 ASSERT(isDOMWrapper(wrapper)); | 81 ASSERT(isDOMWrapper(wrapper)); |
92 DOMDataStore::setWrapper(impl, wrapper, isolate, wrapperTypeInfo); | 82 DOMDataStore::setWrapper(impl, wrapper, isolate, wrapperTypeInfo); |
93 return wrapper; | 83 return wrapper; |
94 } | 84 } |
95 | 85 |
96 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(v8::Isola
te* isolate, Node* node, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::
Object> wrapper) | 86 inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(v8::Isola
te* isolate, Node* node, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::
Object> wrapper) |
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132 v8::Handle<v8::Context> context() const { return m_context; } | 122 v8::Handle<v8::Context> context() const { return m_context; } |
133 | 123 |
134 private: | 124 private: |
135 bool m_didEnterContext; | 125 bool m_didEnterContext; |
136 v8::Handle<v8::Context> m_context; | 126 v8::Handle<v8::Context> m_context; |
137 }; | 127 }; |
138 | 128 |
139 } // namespace blink | 129 } // namespace blink |
140 | 130 |
141 #endif // V8DOMWrapper_h | 131 #endif // V8DOMWrapper_h |
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