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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 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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227 return reinterpret_cast<T*>(v8::Object::GetAlignedPointerFromInternalField(p
ersistent, offset)); | 227 return reinterpret_cast<T*>(v8::Object::GetAlignedPointerFromInternalField(p
ersistent, offset)); |
228 } | 228 } |
229 | 229 |
230 template<typename T, int offset> | 230 template<typename T, int offset> |
231 inline T* getInternalField(v8::Local<v8::Object> wrapper) | 231 inline T* getInternalField(v8::Local<v8::Object> wrapper) |
232 { | 232 { |
233 ASSERT(offset < wrapper->InternalFieldCount()); | 233 ASSERT(offset < wrapper->InternalFieldCount()); |
234 return reinterpret_cast<T*>(wrapper->GetAlignedPointerFromInternalField(offs
et)); | 234 return reinterpret_cast<T*>(wrapper->GetAlignedPointerFromInternalField(offs
et)); |
235 } | 235 } |
236 | 236 |
237 inline ScriptWrappable* toScriptWrappable(const v8::PersistentBase<v8::Object>&
wrapper) | |
238 { | |
239 return getInternalField<ScriptWrappable, v8DOMWrapperObjectIndex>(wrapper); | |
240 } | |
241 | |
242 inline ScriptWrappable* toScriptWrappable(v8::Local<v8::Object> wrapper) | |
243 { | |
244 return getInternalField<ScriptWrappable, v8DOMWrapperObjectIndex>(wrapper); | |
245 } | |
246 | |
247 inline const WrapperTypeInfo* toWrapperTypeInfo(const v8::PersistentBase<v8::Obj
ect>& wrapper) | 237 inline const WrapperTypeInfo* toWrapperTypeInfo(const v8::PersistentBase<v8::Obj
ect>& wrapper) |
248 { | 238 { |
249 return getInternalField<WrapperTypeInfo, v8DOMWrapperTypeIndex>(wrapper); | 239 return getInternalField<WrapperTypeInfo, v8DOMWrapperTypeIndex>(wrapper); |
250 } | 240 } |
251 | 241 |
252 inline const WrapperTypeInfo* toWrapperTypeInfo(v8::Local<v8::Object> wrapper) | 242 inline const WrapperTypeInfo* toWrapperTypeInfo(v8::Local<v8::Object> wrapper) |
253 { | 243 { |
254 return getInternalField<WrapperTypeInfo, v8DOMWrapperTypeIndex>(wrapper); | 244 return getInternalField<WrapperTypeInfo, v8DOMWrapperTypeIndex>(wrapper); |
255 } | 245 } |
256 | 246 |
| 247 const WrapperTypeInfo* npObjectTypeInfo(); |
| 248 |
| 249 inline ScriptWrappable* toScriptWrappable(const v8::PersistentBase<v8::Object>&
wrapper) |
| 250 { |
| 251 // NPObject is not ScriptWrappable. We must not retrieve the pointer |
| 252 // as ScriptWrappable. |
| 253 // TODO: Remove this ASSERT when we deprecate NPAPI. |
| 254 ASSERT(toWrapperTypeInfo(wrapper) != npObjectTypeInfo()); |
| 255 return getInternalField<ScriptWrappable, v8DOMWrapperObjectIndex>(wrapper); |
| 256 } |
| 257 |
| 258 inline ScriptWrappable* toScriptWrappable(v8::Local<v8::Object> wrapper) |
| 259 { |
| 260 // NPObject is not ScriptWrappable. We must not retrieve the pointer |
| 261 // as ScriptWrappable. |
| 262 // TODO: Remove this ASSERT when we deprecate NPAPI. |
| 263 ASSERT(toWrapperTypeInfo(wrapper) != npObjectTypeInfo()); |
| 264 return getInternalField<ScriptWrappable, v8DOMWrapperObjectIndex>(wrapper); |
| 265 } |
| 266 |
257 } // namespace blink | 267 } // namespace blink |
258 | 268 |
259 #endif // WrapperTypeInfo_h | 269 #endif // WrapperTypeInfo_h |
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