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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "gin/wrappable.h" | 5 #include "gin/wrappable.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "gin/object_template_builder.h" | 8 #include "gin/object_template_builder.h" |
9 #include "gin/per_isolate_data.h" | 9 #include "gin/per_isolate_data.h" |
10 | 10 |
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42 } | 42 } |
43 | 43 |
44 PerIsolateData* data = PerIsolateData::From(isolate); | 44 PerIsolateData* data = PerIsolateData::From(isolate); |
45 v8::Local<v8::ObjectTemplate> templ = data->GetObjectTemplate(info); | 45 v8::Local<v8::ObjectTemplate> templ = data->GetObjectTemplate(info); |
46 if (templ.IsEmpty()) { | 46 if (templ.IsEmpty()) { |
47 templ = GetObjectTemplateBuilder(isolate).Build(); | 47 templ = GetObjectTemplateBuilder(isolate).Build(); |
48 CHECK(!templ.IsEmpty()); | 48 CHECK(!templ.IsEmpty()); |
49 data->SetObjectTemplate(info, templ); | 49 data->SetObjectTemplate(info, templ); |
50 } | 50 } |
51 CHECK_EQ(kNumberOfInternalFields, templ->InternalFieldCount()); | 51 CHECK_EQ(kNumberOfInternalFields, templ->InternalFieldCount()); |
52 v8::Local<v8::Object> wrapper = templ->NewInstance(); | 52 v8::Local<v8::Object> wrapper; |
53 // |wrapper| may be empty in some extreme cases, e.g., when | 53 // |wrapper| may be empty in some extreme cases, e.g., when |
54 // Object.prototype.constructor is overwritten. | 54 // Object.prototype.constructor is overwritten. |
55 if (wrapper.IsEmpty()) { | 55 if (!templ->NewInstance(isolate->GetCurrentContext()).ToLocal(&wrapper)) { |
56 // The current wrappable object will be no longer managed by V8. Delete this | 56 // The current wrappable object will be no longer managed by V8. Delete this |
57 // now. | 57 // now. |
58 delete this; | 58 delete this; |
59 return wrapper; | 59 return wrapper; |
60 } | 60 } |
61 wrapper->SetAlignedPointerInInternalField(kWrapperInfoIndex, info); | 61 wrapper->SetAlignedPointerInInternalField(kWrapperInfoIndex, info); |
62 wrapper->SetAlignedPointerInInternalField(kEncodedValueIndex, this); | 62 wrapper->SetAlignedPointerInInternalField(kEncodedValueIndex, this); |
63 wrapper_.Reset(isolate, wrapper); | 63 wrapper_.Reset(isolate, wrapper); |
64 wrapper_.SetWeak(this, FirstWeakCallback, v8::WeakCallbackType::kParameter); | 64 wrapper_.SetWeak(this, FirstWeakCallback, v8::WeakCallbackType::kParameter); |
65 return wrapper; | 65 return wrapper; |
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84 // instance of the C++ class associated with wrapper_info. | 84 // instance of the C++ class associated with wrapper_info. |
85 if (info != wrapper_info) | 85 if (info != wrapper_info) |
86 return NULL; | 86 return NULL; |
87 | 87 |
88 return obj->GetAlignedPointerFromInternalField(kEncodedValueIndex); | 88 return obj->GetAlignedPointerFromInternalField(kEncodedValueIndex); |
89 } | 89 } |
90 | 90 |
91 } // namespace internal | 91 } // namespace internal |
92 | 92 |
93 } // namespace gin | 93 } // namespace gin |
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