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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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67 static bool setReturnValueFromWrapperFast(v8::ReturnValue<v8::Value> returnV
alue, T* object, v8::Local<v8::Object> holder, Wrappable* wrappable) | 67 static bool setReturnValueFromWrapperFast(v8::ReturnValue<v8::Value> returnV
alue, T* object, v8::Local<v8::Object> holder, Wrappable* wrappable) |
68 { | 68 { |
69 if (canUseScriptWrappable(object)) | 69 if (canUseScriptWrappable(object)) |
70 return ScriptWrappable::setReturnValueWithSecurityCheck<V8T>(returnV
alue, object); | 70 return ScriptWrappable::setReturnValueWithSecurityCheck<V8T>(returnV
alue, object); |
71 // The second fastest way to check if we're in the main world is to chec
k if | 71 // The second fastest way to check if we're in the main world is to chec
k if |
72 // the wrappable's wrapper is the same as the holder. | 72 // the wrappable's wrapper is the same as the holder. |
73 // FIXME: Investigate if it's worth having this check for performance. | 73 // FIXME: Investigate if it's worth having this check for performance. |
74 if (holderContainsWrapper(holder, wrappable)) { | 74 if (holderContainsWrapper(holder, wrappable)) { |
75 if (ScriptWrappable::wrapperCanBeStoredInObject(object)) | 75 if (ScriptWrappable::wrapperCanBeStoredInObject(object)) |
76 return ScriptWrappable::setReturnValueWithSecurityCheck<V8T>(ret
urnValue, object); | 76 return ScriptWrappable::setReturnValueWithSecurityCheck<V8T>(ret
urnValue, object); |
77 return DOMWrapperWorld::mainWorld().domDataStore().m_wrapperMap.setR
eturnValueFrom(returnValue, V8T::toInternalPointer(object)); | 77 return DOMWrapperWorld::mainWorld()->domDataStore().m_wrapperMap.set
ReturnValueFrom(returnValue, V8T::toInternalPointer(object)); |
78 } | 78 } |
79 return current(returnValue.GetIsolate()).template setReturnValueFrom<V8T
>(returnValue, object); | 79 return current(returnValue.GetIsolate()).template setReturnValueFrom<V8T
>(returnValue, object); |
80 } | 80 } |
81 | 81 |
82 template<typename V8T, typename T> | 82 template<typename V8T, typename T> |
83 static bool setReturnValueFromWrapper(v8::ReturnValue<v8::Value> returnValue
, T* object) | 83 static bool setReturnValueFromWrapper(v8::ReturnValue<v8::Value> returnValue
, T* object) |
84 { | 84 { |
85 if (canUseScriptWrappable(object)) | 85 if (canUseScriptWrappable(object)) |
86 return ScriptWrappable::setReturnValueWithSecurityCheck<V8T>(returnV
alue, object); | 86 return ScriptWrappable::setReturnValueWithSecurityCheck<V8T>(returnV
alue, object); |
87 return current(returnValue.GetIsolate()).template setReturnValueFrom<V8T
>(returnValue, object); | 87 return current(returnValue.GetIsolate()).template setReturnValueFrom<V8T
>(returnValue, object); |
88 } | 88 } |
89 | 89 |
90 template<typename V8T, typename T> | 90 template<typename V8T, typename T> |
91 static bool setReturnValueFromWrapperForMainWorld(v8::ReturnValue<v8::Value>
returnValue, T* object) | 91 static bool setReturnValueFromWrapperForMainWorld(v8::ReturnValue<v8::Value>
returnValue, T* object) |
92 { | 92 { |
93 if (ScriptWrappable::wrapperCanBeStoredInObject(object)) | 93 if (ScriptWrappable::wrapperCanBeStoredInObject(object)) |
94 return ScriptWrappable::setReturnValue(returnValue, object); | 94 return ScriptWrappable::setReturnValue(returnValue, object); |
95 return DOMWrapperWorld::mainWorld().domDataStore().m_wrapperMap.setRetur
nValueFrom(returnValue, V8T::toInternalPointer(object)); | 95 return DOMWrapperWorld::mainWorld()->domDataStore().m_wrapperMap.setRetu
rnValueFrom(returnValue, V8T::toInternalPointer(object)); |
96 } | 96 } |
97 | 97 |
98 template<typename V8T, typename T> | 98 template<typename V8T, typename T> |
99 static v8::Handle<v8::Object> getWrapper(T* object, v8::Isolate* isolate) | 99 static v8::Handle<v8::Object> getWrapper(T* object, v8::Isolate* isolate) |
100 { | 100 { |
101 if (canUseScriptWrappable(object)) { | 101 if (canUseScriptWrappable(object)) { |
102 v8::Handle<v8::Object> result = ScriptWrappable::getUnsafeWrapperFro
mObject(object).newLocal(isolate); | 102 v8::Handle<v8::Object> result = ScriptWrappable::getUnsafeWrapperFro
mObject(object).newLocal(isolate); |
103 // Security: always guard against malicious tampering. | 103 // Security: always guard against malicious tampering. |
104 RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(result.IsEmpty() || result-
>GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex) == V8T::toInternalP
ointer(object)); | 104 RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(result.IsEmpty() || result-
>GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex) == V8T::toInternalP
ointer(object)); |
105 return result; | 105 return result; |
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199 return holder == *unsafePersistent.persistent(); | 199 return holder == *unsafePersistent.persistent(); |
200 } | 200 } |
201 | 201 |
202 bool m_isMainWorld; | 202 bool m_isMainWorld; |
203 DOMWrapperMap<void> m_wrapperMap; | 203 DOMWrapperMap<void> m_wrapperMap; |
204 }; | 204 }; |
205 | 205 |
206 } // namespace WebCore | 206 } // namespace WebCore |
207 | 207 |
208 #endif // DOMDataStore_h | 208 #endif // DOMDataStore_h |
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