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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "config.h" | 5 #include "config.h" |
| 6 #include "bindings/core/v8/ScriptWrappable.h" | 6 #include "bindings/core/v8/ScriptWrappable.h" |
| 7 | 7 |
| 8 #include "bindings/core/v8/DOMDataStore.h" | 8 #include "bindings/core/v8/DOMDataStore.h" |
| 9 #include "bindings/core/v8/V8DOMWrapper.h" | 9 #include "bindings/core/v8/V8DOMWrapper.h" |
| 10 | 10 |
| (...skipping 28 matching lines...) Expand all Loading... |
| 39 m_wrapperTypeInfo->derefObject(m_scriptWrappableBase); | 39 m_wrapperTypeInfo->derefObject(m_scriptWrappableBase); |
| 40 } | 40 } |
| 41 | 41 |
| 42 private: | 42 private: |
| 43 ScriptWrappableBase* m_scriptWrappableBase; | 43 ScriptWrappableBase* m_scriptWrappableBase; |
| 44 const WrapperTypeInfo* m_wrapperTypeInfo; | 44 const WrapperTypeInfo* m_wrapperTypeInfo; |
| 45 }; | 45 }; |
| 46 | 46 |
| 47 } // namespace | 47 } // namespace |
| 48 | 48 |
| 49 // ScriptWrappableBase | |
| 50 | |
| 51 v8::Handle<v8::Object> ScriptWrappableBase::wrap(v8::Handle<v8::Object> creation
Context, v8::Isolate* isolate, const WrapperTypeInfo* wrapperTypeInfo) | |
| 52 { | |
| 53 // It's possible that no one except for the new wrapper owns this object at | |
| 54 // this moment, so we have to prevent GC to collect this object until the | |
| 55 // object gets associated with the wrapper. | |
| 56 ScriptWrappableBaseProtector protect(this, wrapperTypeInfo); | |
| 57 | |
| 58 ASSERT(!DOMDataStore::containsWrapper(this, isolate)); | |
| 59 | |
| 60 v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(isolate, creati
onContext, wrapperTypeInfo, this); | |
| 61 if (UNLIKELY(wrapper.IsEmpty())) | |
| 62 return wrapper; | |
| 63 | |
| 64 wrapperTypeInfo->installConditionallyEnabledProperties(wrapper, isolate); | |
| 65 return V8DOMWrapper::associateObjectWithWrapper(isolate, this, wrapperTypeIn
fo, wrapper); | |
| 66 } | |
| 67 | |
| 68 // ScriptWrappable | |
| 69 | |
| 70 v8::Handle<v8::Object> ScriptWrappable::wrap(v8::Handle<v8::Object> creationCont
ext, v8::Isolate* isolate) | 49 v8::Handle<v8::Object> ScriptWrappable::wrap(v8::Handle<v8::Object> creationCont
ext, v8::Isolate* isolate) |
| 71 { | 50 { |
| 72 const WrapperTypeInfo* wrapperTypeInfo = this->wrapperTypeInfo(); | 51 const WrapperTypeInfo* wrapperTypeInfo = this->wrapperTypeInfo(); |
| 73 | 52 |
| 74 // It's possible that no one except for the new wrapper owns this object at | 53 // It's possible that no one except for the new wrapper owns this object at |
| 75 // this moment, so we have to prevent GC to collect this object until the | 54 // this moment, so we have to prevent GC to collect this object until the |
| 76 // object gets associated with the wrapper. | 55 // object gets associated with the wrapper. |
| 77 ScriptWrappableBaseProtector protect(this, wrapperTypeInfo); | 56 ScriptWrappableBaseProtector protect(this, wrapperTypeInfo); |
| 78 | 57 |
| 79 ASSERT(!DOMDataStore::containsWrapper(this, isolate)); | 58 ASSERT(!DOMDataStore::containsWrapper(this, isolate)); |
| 80 | 59 |
| 81 v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(isolate, creati
onContext, wrapperTypeInfo, toScriptWrappableBase()); | 60 v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(isolate, creati
onContext, wrapperTypeInfo, toScriptWrappableBase()); |
| 82 if (UNLIKELY(wrapper.IsEmpty())) | 61 if (UNLIKELY(wrapper.IsEmpty())) |
| 83 return wrapper; | 62 return wrapper; |
| 84 | 63 |
| 85 wrapperTypeInfo->installConditionallyEnabledProperties(wrapper, isolate); | 64 wrapperTypeInfo->installConditionallyEnabledProperties(wrapper, isolate); |
| 86 return associateWithWrapper(wrapperTypeInfo, wrapper, isolate); | 65 return associateWithWrapper(wrapperTypeInfo, wrapper, isolate); |
| 87 } | 66 } |
| 88 | 67 |
| 89 v8::Handle<v8::Object> ScriptWrappable::associateWithWrapper(const WrapperTypeIn
fo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate) | 68 v8::Handle<v8::Object> ScriptWrappable::associateWithWrapper(const WrapperTypeIn
fo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate) |
| 90 { | 69 { |
| 91 return V8DOMWrapper::associateObjectWithWrapper(isolate, this, wrapperTypeIn
fo, wrapper); | 70 return V8DOMWrapper::associateObjectWithWrapper(isolate, this, wrapperTypeIn
fo, wrapper); |
| 92 } | 71 } |
| 93 | 72 |
| 94 } // namespace blink | 73 } // namespace blink |
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