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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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35 #include "V8HTMLDocument.h" | 35 #include "V8HTMLDocument.h" |
36 #include "V8Window.h" | 36 #include "V8Window.h" |
37 #include "bindings/v8/V8Binding.h" | 37 #include "bindings/v8/V8Binding.h" |
38 #include "bindings/v8/V8HiddenPropertyName.h" | 38 #include "bindings/v8/V8HiddenPropertyName.h" |
39 #include "bindings/v8/V8ObjectConstructor.h" | 39 #include "bindings/v8/V8ObjectConstructor.h" |
40 #include "bindings/v8/V8PerContextData.h" | 40 #include "bindings/v8/V8PerContextData.h" |
41 #include "bindings/v8/V8ScriptRunner.h" | 41 #include "bindings/v8/V8ScriptRunner.h" |
42 | 42 |
43 namespace WebCore { | 43 namespace WebCore { |
44 | 44 |
45 class V8WrapperInstantiationScope { | |
46 public: | |
47 V8WrapperInstantiationScope(v8::Handle<v8::Object> creationContext, v8::Isol
ate* isolate) | |
48 : m_didEnterContext(false) | |
49 , m_context(v8::Context::GetCurrent()) | |
50 { | |
51 // FIXME: Remove all empty creationContexts from caller sites. | |
52 // If a creationContext is empty, we will end up creating a new object | |
53 // in the context currently entered. This is wrong. | |
54 if (creationContext.IsEmpty()) | |
55 return; | |
56 v8::Handle<v8::Context> contextForWrapper = creationContext->CreationCon
text(); | |
57 // For performance, we enter the context only if the currently running c
ontext | |
58 // is different from the context that we are about to enter. | |
59 if (contextForWrapper == m_context) | |
60 return; | |
61 m_context = v8::Local<v8::Context>::New(isolate, contextForWrapper); | |
62 m_didEnterContext = true; | |
63 m_context->Enter(); | |
64 } | |
65 | |
66 ~V8WrapperInstantiationScope() | |
67 { | |
68 if (!m_didEnterContext) | |
69 return; | |
70 m_context->Exit(); | |
71 } | |
72 | |
73 v8::Handle<v8::Context> context() const { return m_context; } | |
74 | |
75 private: | |
76 bool m_didEnterContext; | |
77 v8::Handle<v8::Context> m_context; | |
78 }; | |
79 | |
80 static v8::Local<v8::Object> wrapInShadowTemplate(v8::Local<v8::Object> wrapper,
Node* impl, v8::Isolate* isolate) | 45 static v8::Local<v8::Object> wrapInShadowTemplate(v8::Local<v8::Object> wrapper,
Node* impl, v8::Isolate* isolate) |
81 { | 46 { |
82 // This is only for getting a unique pointer which we can pass to privateTem
plate. | 47 // This is only for getting a unique pointer which we can pass to privateTem
plate. |
83 static int shadowTemplateUniqueKey; | 48 static int shadowTemplateUniqueKey; |
84 WrapperWorldType currentWorldType = worldType(isolate); | 49 WrapperWorldType currentWorldType = worldType(isolate); |
85 V8PerIsolateData* data = V8PerIsolateData::from(isolate); | 50 V8PerIsolateData* data = V8PerIsolateData::from(isolate); |
86 v8::Handle<v8::FunctionTemplate> shadowTemplate = data->privateTemplateIfExi
sts(currentWorldType, &shadowTemplateUniqueKey); | 51 v8::Handle<v8::FunctionTemplate> shadowTemplate = data->privateTemplateIfExi
sts(currentWorldType, &shadowTemplateUniqueKey); |
87 if (shadowTemplate.IsEmpty()) { | 52 if (shadowTemplate.IsEmpty()) { |
88 shadowTemplate = v8::FunctionTemplate::New(); | 53 shadowTemplate = v8::FunctionTemplate::New(); |
89 if (shadowTemplate.IsEmpty()) | 54 if (shadowTemplate.IsEmpty()) |
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164 | 129 |
165 v8::Handle<v8::Object> wrapper = v8::Handle<v8::Object>::Cast(value); | 130 v8::Handle<v8::Object> wrapper = v8::Handle<v8::Object>::Cast(value); |
166 ASSERT(wrapper->InternalFieldCount() >= v8DefaultWrapperInternalFieldCount); | 131 ASSERT(wrapper->InternalFieldCount() >= v8DefaultWrapperInternalFieldCount); |
167 ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex))
; | 132 ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex))
; |
168 | 133 |
169 const WrapperTypeInfo* typeInfo = static_cast<const WrapperTypeInfo*>(wrappe
r->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex)); | 134 const WrapperTypeInfo* typeInfo = static_cast<const WrapperTypeInfo*>(wrappe
r->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex)); |
170 return typeInfo == type; | 135 return typeInfo == type; |
171 } | 136 } |
172 | 137 |
173 } // namespace WebCore | 138 } // namespace WebCore |
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