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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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| 54 MainWorld, | 54 MainWorld, |
| 55 IsolatedWorld, | 55 IsolatedWorld, |
| 56 WorkerWorld | 56 WorkerWorld |
| 57 }; | 57 }; |
| 58 | 58 |
| 59 typedef v8::Handle<v8::FunctionTemplate> (*GetTemplateFunction)(v8::Isolate*
, WrapperWorldType); | 59 typedef v8::Handle<v8::FunctionTemplate> (*GetTemplateFunction)(v8::Isolate*
, WrapperWorldType); |
| 60 typedef void (*DerefObjectFunction)(void*); | 60 typedef void (*DerefObjectFunction)(void*); |
| 61 typedef ActiveDOMObject* (*ToActiveDOMObjectFunction)(v8::Handle<v8::Object>
); | 61 typedef ActiveDOMObject* (*ToActiveDOMObjectFunction)(v8::Handle<v8::Object>
); |
| 62 typedef EventTarget* (*ToEventTargetFunction)(v8::Handle<v8::Object>); | 62 typedef EventTarget* (*ToEventTargetFunction)(v8::Handle<v8::Object>); |
| 63 typedef void* (*OpaqueRootForGC)(void*, v8::Isolate*); | 63 typedef void* (*OpaqueRootForGC)(void*, v8::Isolate*); |
| 64 typedef void (*InstallPerContextPrototypePropertiesFunction)(v8::Handle<v8::
Object>, v8::Isolate*); | 64 typedef void (*InstallPerContextEnabledPrototypePropertiesFunction)(v8::Hand
le<v8::Object>, v8::Isolate*); |
| 65 | 65 |
| 66 enum WrapperTypePrototype { | 66 enum WrapperTypePrototype { |
| 67 WrapperTypeObjectPrototype, | 67 WrapperTypeObjectPrototype, |
| 68 WrapperTypeErrorPrototype | 68 WrapperTypeErrorPrototype |
| 69 }; | 69 }; |
| 70 | 70 |
| 71 // This struct provides a way to store a bunch of information that is helpfu
l when unwrapping | 71 // This struct provides a way to store a bunch of information that is helpfu
l when unwrapping |
| 72 // v8 objects. Each v8 bindings class has exactly one static WrapperTypeInfo
member, so | 72 // v8 objects. Each v8 bindings class has exactly one static WrapperTypeInfo
member, so |
| 73 // comparing pointers is a safe way to determine if types match. | 73 // comparing pointers is a safe way to determine if types match. |
| 74 struct WrapperTypeInfo { | 74 struct WrapperTypeInfo { |
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| 95 } | 95 } |
| 96 | 96 |
| 97 v8::Handle<v8::FunctionTemplate> getTemplate(v8::Isolate* isolate, Wrapp
erWorldType worldType) { return getTemplateFunction(isolate, worldType); } | 97 v8::Handle<v8::FunctionTemplate> getTemplate(v8::Isolate* isolate, Wrapp
erWorldType worldType) { return getTemplateFunction(isolate, worldType); } |
| 98 | 98 |
| 99 void derefObject(void* object) | 99 void derefObject(void* object) |
| 100 { | 100 { |
| 101 if (derefObjectFunction) | 101 if (derefObjectFunction) |
| 102 derefObjectFunction(object); | 102 derefObjectFunction(object); |
| 103 } | 103 } |
| 104 | 104 |
| 105 void installPerContextPrototypeProperties(v8::Handle<v8::Object> proto,
v8::Isolate* isolate) | 105 void installPerContextEnabledPrototypeProperties(v8::Handle<v8::Object>
proto, v8::Isolate* isolate) |
| 106 { | 106 { |
| 107 if (installPerContextPrototypePropertiesFunction) | 107 if (installPerContextEnabledPrototypePropertiesFunction) |
| 108 installPerContextPrototypePropertiesFunction(proto, isolate); | 108 installPerContextEnabledPrototypePropertiesFunction(proto, isola
te); |
| 109 } | 109 } |
| 110 | 110 |
| 111 ActiveDOMObject* toActiveDOMObject(v8::Handle<v8::Object> object) | 111 ActiveDOMObject* toActiveDOMObject(v8::Handle<v8::Object> object) |
| 112 { | 112 { |
| 113 if (!toActiveDOMObjectFunction) | 113 if (!toActiveDOMObjectFunction) |
| 114 return 0; | 114 return 0; |
| 115 return toActiveDOMObjectFunction(object); | 115 return toActiveDOMObjectFunction(object); |
| 116 } | 116 } |
| 117 | 117 |
| 118 EventTarget* toEventTarget(v8::Handle<v8::Object> object) | 118 EventTarget* toEventTarget(v8::Handle<v8::Object> object) |
| 119 { | 119 { |
| 120 if (!toEventTargetFunction) | 120 if (!toEventTargetFunction) |
| 121 return 0; | 121 return 0; |
| 122 return toEventTargetFunction(object); | 122 return toEventTargetFunction(object); |
| 123 } | 123 } |
| 124 | 124 |
| 125 void* opaqueRootForGC(void* object, v8::Isolate* isolate) | 125 void* opaqueRootForGC(void* object, v8::Isolate* isolate) |
| 126 { | 126 { |
| 127 if (!opaqueRootForGCFunction) | 127 if (!opaqueRootForGCFunction) |
| 128 return object; | 128 return object; |
| 129 return opaqueRootForGCFunction(object, isolate); | 129 return opaqueRootForGCFunction(object, isolate); |
| 130 } | 130 } |
| 131 | 131 |
| 132 const GetTemplateFunction getTemplateFunction; | 132 const GetTemplateFunction getTemplateFunction; |
| 133 const DerefObjectFunction derefObjectFunction; | 133 const DerefObjectFunction derefObjectFunction; |
| 134 const ToActiveDOMObjectFunction toActiveDOMObjectFunction; | 134 const ToActiveDOMObjectFunction toActiveDOMObjectFunction; |
| 135 const ToEventTargetFunction toEventTargetFunction; | 135 const ToEventTargetFunction toEventTargetFunction; |
| 136 const OpaqueRootForGC opaqueRootForGCFunction; | 136 const OpaqueRootForGC opaqueRootForGCFunction; |
| 137 const InstallPerContextPrototypePropertiesFunction installPerContextProt
otypePropertiesFunction; | 137 const InstallPerContextEnabledPrototypePropertiesFunction installPerCont
extEnabledPrototypePropertiesFunction; |
| 138 const WrapperTypeInfo* parentClass; | 138 const WrapperTypeInfo* parentClass; |
| 139 const WrapperTypePrototype wrapperTypePrototype; | 139 const WrapperTypePrototype wrapperTypePrototype; |
| 140 }; | 140 }; |
| 141 | 141 |
| 142 template<typename T, int offset> | 142 template<typename T, int offset> |
| 143 inline T* getInternalField(const v8::Persistent<v8::Object>& persistent) | 143 inline T* getInternalField(const v8::Persistent<v8::Object>& persistent) |
| 144 { | 144 { |
| 145 // This would be unsafe, but InternalFieldCount and GetAlignedPointerFro
mInternalField are guaranteed not to allocate | 145 // This would be unsafe, but InternalFieldCount and GetAlignedPointerFro
mInternalField are guaranteed not to allocate |
| 146 const v8::Handle<v8::Object>& object = reinterpret_cast<const v8::Handle
<v8::Object>&>(persistent); | 146 const v8::Handle<v8::Object>& object = reinterpret_cast<const v8::Handle
<v8::Object>&>(persistent); |
| 147 ASSERT(offset < object->InternalFieldCount()); | 147 ASSERT(offset < object->InternalFieldCount()); |
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| 204 return configuration; | 204 return configuration; |
| 205 } | 205 } |
| 206 | 206 |
| 207 template<class ElementType> | 207 template<class ElementType> |
| 208 class WrapperTypeTraits { | 208 class WrapperTypeTraits { |
| 209 // specialized classes have thier own functions, which are generated by
binding generator. | 209 // specialized classes have thier own functions, which are generated by
binding generator. |
| 210 }; | 210 }; |
| 211 } | 211 } |
| 212 | 212 |
| 213 #endif // WrapperTypeInfo_h | 213 #endif // WrapperTypeInfo_h |
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