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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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37 #include "bindings/v8/V8Binding.h" | 37 #include "bindings/v8/V8Binding.h" |
38 #include "bindings/v8/V8ObjectConstructor.h" | 38 #include "bindings/v8/V8ObjectConstructor.h" |
39 #include "bindings/v8/V8PerContextData.h" | 39 #include "bindings/v8/V8PerContextData.h" |
40 #include "bindings/v8/V8ScriptRunner.h" | 40 #include "bindings/v8/V8ScriptRunner.h" |
41 | 41 |
42 namespace WebCore { | 42 namespace WebCore { |
43 | 43 |
44 static v8::Local<v8::Object> wrapInShadowTemplate(v8::Local<v8::Object> wrapper,
Node* impl, v8::Isolate* isolate) | 44 static v8::Local<v8::Object> wrapInShadowTemplate(v8::Local<v8::Object> wrapper,
Node* impl, v8::Isolate* isolate) |
45 { | 45 { |
46 static int shadowTemplateKey; // This address is used for a key to look up t
he dom template. | 46 static int shadowTemplateKey; // This address is used for a key to look up t
he dom template. |
47 WrapperWorldType currentWorldType = worldType(isolate); | |
48 V8PerIsolateData* data = V8PerIsolateData::from(isolate); | 47 V8PerIsolateData* data = V8PerIsolateData::from(isolate); |
49 v8::Handle<v8::FunctionTemplate> shadowTemplate = data->existingDOMTemplate(
currentWorldType, &shadowTemplateKey); | 48 v8::Handle<v8::FunctionTemplate> shadowTemplate = data->existingDOMTemplate(
&shadowTemplateKey); |
50 if (shadowTemplate.IsEmpty()) { | 49 if (shadowTemplate.IsEmpty()) { |
51 shadowTemplate = v8::FunctionTemplate::New(isolate); | 50 shadowTemplate = v8::FunctionTemplate::New(isolate); |
52 if (shadowTemplate.IsEmpty()) | 51 if (shadowTemplate.IsEmpty()) |
53 return v8::Local<v8::Object>(); | 52 return v8::Local<v8::Object>(); |
54 shadowTemplate->SetClassName(v8AtomicString(isolate, "HTMLDocument")); | 53 shadowTemplate->SetClassName(v8AtomicString(isolate, "HTMLDocument")); |
55 shadowTemplate->Inherit(V8HTMLDocument::domTemplate(isolate, currentWorl
dType)); | 54 shadowTemplate->Inherit(V8HTMLDocument::domTemplate(isolate)); |
56 shadowTemplate->InstanceTemplate()->SetInternalFieldCount(V8HTMLDocument
::internalFieldCount); | 55 shadowTemplate->InstanceTemplate()->SetInternalFieldCount(V8HTMLDocument
::internalFieldCount); |
57 data->setDOMTemplate(currentWorldType, &shadowTemplateKey, shadowTemplat
e); | 56 data->setDOMTemplate(&shadowTemplateKey, shadowTemplate); |
58 } | 57 } |
59 | 58 |
60 v8::Local<v8::Function> shadowConstructor = shadowTemplate->GetFunction(); | 59 v8::Local<v8::Function> shadowConstructor = shadowTemplate->GetFunction(); |
61 if (shadowConstructor.IsEmpty()) | 60 if (shadowConstructor.IsEmpty()) |
62 return v8::Local<v8::Object>(); | 61 return v8::Local<v8::Object>(); |
63 | 62 |
64 v8::Local<v8::Object> shadow = V8ScriptRunner::instantiateObject(shadowConst
ructor); | 63 v8::Local<v8::Object> shadow = V8ScriptRunner::instantiateObject(shadowConst
ructor); |
65 if (shadow.IsEmpty()) | 64 if (shadow.IsEmpty()) |
66 return v8::Local<v8::Object>(); | 65 return v8::Local<v8::Object>(); |
67 shadow->SetPrototype(wrapper); | 66 shadow->SetPrototype(wrapper); |
68 V8DOMWrapper::setNativeInfo(wrapper, &V8HTMLDocument::wrapperTypeInfo, impl)
; | 67 V8DOMWrapper::setNativeInfo(wrapper, &V8HTMLDocument::wrapperTypeInfo, impl)
; |
69 return shadow; | 68 return shadow; |
70 } | 69 } |
71 | 70 |
72 v8::Local<v8::Object> V8DOMWrapper::createWrapper(v8::Handle<v8::Object> creatio
nContext, const WrapperTypeInfo* type, void* impl, v8::Isolate* isolate) | 71 v8::Local<v8::Object> V8DOMWrapper::createWrapper(v8::Handle<v8::Object> creatio
nContext, const WrapperTypeInfo* type, void* impl, v8::Isolate* isolate) |
73 { | 72 { |
74 V8WrapperInstantiationScope scope(creationContext, isolate); | 73 V8WrapperInstantiationScope scope(creationContext, isolate); |
75 | 74 |
76 V8PerContextData* perContextData = V8PerContextData::from(scope.context()); | 75 V8PerContextData* perContextData = V8PerContextData::from(scope.context()); |
77 v8::Local<v8::Object> wrapper = perContextData ? perContextData->createWrapp
erFromCache(type) : V8ObjectConstructor::newInstance(type->domTemplate(isolate,
worldTypeInMainThread(isolate))->GetFunction()); | 76 v8::Local<v8::Object> wrapper = perContextData ? perContextData->createWrapp
erFromCache(type) : V8ObjectConstructor::newInstance(type->domTemplate(isolate)-
>GetFunction()); |
78 | 77 |
79 if (type == &V8HTMLDocument::wrapperTypeInfo && !wrapper.IsEmpty()) | 78 if (type == &V8HTMLDocument::wrapperTypeInfo && !wrapper.IsEmpty()) |
80 wrapper = wrapInShadowTemplate(wrapper, static_cast<Node*>(impl), isolat
e); | 79 wrapper = wrapInShadowTemplate(wrapper, static_cast<Node*>(impl), isolat
e); |
81 | 80 |
82 return wrapper; | 81 return wrapper; |
83 } | 82 } |
84 | 83 |
85 bool V8DOMWrapper::isDOMWrapper(v8::Handle<v8::Value> value) | 84 bool V8DOMWrapper::isDOMWrapper(v8::Handle<v8::Value> value) |
86 { | 85 { |
87 if (value.IsEmpty() || !value->IsObject()) | 86 if (value.IsEmpty() || !value->IsObject()) |
88 return false; | 87 return false; |
89 | 88 |
90 if (v8::Handle<v8::Object>::Cast(value)->InternalFieldCount() < v8DefaultWra
pperInternalFieldCount) | 89 if (v8::Handle<v8::Object>::Cast(value)->InternalFieldCount() < v8DefaultWra
pperInternalFieldCount) |
91 return false; | 90 return false; |
92 | 91 |
93 v8::Handle<v8::Object> wrapper = v8::Handle<v8::Object>::Cast(value); | 92 v8::Handle<v8::Object> wrapper = v8::Handle<v8::Object>::Cast(value); |
94 ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex))
; | 93 ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex))
; |
95 ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex)); | 94 ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex)); |
96 | 95 |
97 const WrapperTypeInfo* typeInfo = static_cast<const WrapperTypeInfo*>(wrappe
r->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex)); | 96 const WrapperTypeInfo* typeInfo = static_cast<const WrapperTypeInfo*>(wrappe
r->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex)); |
98 // FIXME: We should add a more strict way to check if the typeInfo is a type
Info of some DOM wrapper. | 97 // FIXME: We should add a more strict way to check if the typeInfo is a type
Info of some DOM wrapper. |
99 // Even if it's a typeInfo of Blink, it's not guaranteed that it's a typeInf
o of a DOM wrapper. | 98 // Even if it's a typeInfo of Blink, it's not guaranteed that it's a typeInf
o of a DOM wrapper. |
100 return typeInfo->ginEmbedder == gin::kEmbedderBlink; | 99 return typeInfo->ginEmbedder == gin::kEmbedderBlink; |
101 } | 100 } |
102 | 101 |
103 } // namespace WebCore | 102 } // namespace WebCore |
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