v8::Local<v8::Object> V8DOMWrapper::createWrapper(v8::Isolate* isolate, v8::Local<v8::Object> creationContext, const WrapperTypeInfo* type, ScriptWrappable* scriptWrappable)
{
ASSERT(!type->equals(&V8Window::wrapperTypeInfo));
// According to https://html.spec.whatwg.org/multipage/browsers.html#security-location,
// cross-origin script access to a few properties of Location is allowed.
// Location already implements the necessary security checks.
bool withSecurityCheck = !type->equals(&V8Location::wrapperTypeInfo);
V8WrapperInstantiationScope scope(creationContext, isolate, withSecurityCheck);
V8PerContextData* perContextData = V8PerContextData::from(scope.context());
v8::Local<v8::Object> wrapper;
if (perContextData) {
wrapper = perContextData->createWrapperFromCache(type);
} else {
v8::Local<v8::Function> function;
if (!type->domTemplate(isolate)->GetFunction(isolate->GetCurrentContext()).ToLocal(&function))
return v8::Local<v8::Object>();
if (!V8ObjectConstructor::newInstance(isolate, function).ToLocal(&wrapper))
return v8::Local<v8::Object>();
}
if (type == &V8HTMLDocument::wrapperTypeInfo && !wrapper.IsEmpty())
wrapper = wrapInShadowTemplate(wrapper, scriptWrappable, isolate);
return wrapper;
}
v8::Local<v8::Object> V8DOMWrapper::instantiateV8Object(Document* deprecatedDocument, WrapperTypeInfo* type, void* impl)
{
V8PerContextData* perContextData = 0;
// Please don't add any more uses of deprecatedDocument. We want to remove it.
// If we have a pointer to the frame, we cna get the V8PerContextData
// directly, which is faster than going through V8.
if (deprecatedDocument && deprecatedDocument->frame())
perContextData = perContextDataForCurrentWorld(deprecatedDocument->frame());
else
perContextData = V8PerContextData::from(v8::Context::GetCurrent());
v8::Local<v8::Object> instance = perContextData ? perContextData->createWrapperFromCache(type) : V8ObjectConstructor::newInstance(type->getTemplate()->GetFunction());
// Avoid setting the DOM wrapper for failed allocations.
if (instance.IsEmpty())
return instance;
setDOMWrapper(instance, type, impl);
if (type == &V8HTMLDocument::info)
instance = V8HTMLDocument::wrapInShadowObject(instance, static_cast<Node*>(impl));
return instance;
}
v8::Local<v8::Object> V8DOMWrapper::createWrapper(v8::Handle<v8::Object> creationContext, WrapperTypeInfo* type, void* impl, v8::Isolate* isolate)
{
V8WrapperInstantiationScope scope(creationContext);
V8PerContextData* perContextData = V8PerContextData::from(scope.context());
v8::Local<v8::Object> wrapper = perContextData ? perContextData->createWrapperFromCache(type) : V8ObjectConstructor::newInstance(type->getTemplate(isolate, worldTypeInMainThread(isolate))->GetFunction());
if (type == &V8HTMLDocument::info && !wrapper.IsEmpty())
wrapper = wrapInShadowTemplate(wrapper, static_cast<Node*>(impl), isolate);
return wrapper;
}
v8::Local<v8::Object> V8DOMWrapper::instantiateV8Object(v8::Handle<v8::Object> creationContext, WrapperTypeInfo* type, void* impl)
{
V8WrapperInstantiationScope scope(creationContext);
V8PerContextData* perContextData = V8PerContextData::from(scope.context());
v8::Local<v8::Object> instance = perContextData ? perContextData->createWrapperFromCache(type) : V8ObjectConstructor::newInstance(type->getTemplate()->GetFunction());
// Avoid setting the DOM wrapper for failed allocations.
if (instance.IsEmpty())
return instance;
if (type == &V8HTMLDocument::info)
instance = V8HTMLDocument::wrapInShadowObject(instance, static_cast<Node*>(impl));
return instance;
}
v8::Local<v8::Object> V8DOMWrapper::createWrapper(v8::Isolate* isolate, v8::Local<v8::Object> creationContext, const WrapperTypeInfo* type, ScriptWrappable* scriptWrappable)
{
V8WrapperInstantiationScope scope(creationContext, isolate);
V8PerContextData* perContextData = V8PerContextData::from(scope.context());
v8::Local<v8::Object> wrapper;
if (perContextData) {
wrapper = perContextData->createWrapperFromCache(type);
} else {
v8::Local<v8::Function> function;
if (!type->domTemplate(isolate)->GetFunction(isolate->GetCurrentContext()).ToLocal(&function))
return v8::Local<v8::Object>();
if (!V8ObjectConstructor::newInstance(isolate, function).ToLocal(&wrapper))
return v8::Local<v8::Object>();
}
if (type == &V8HTMLDocument::wrapperTypeInfo && !wrapper.IsEmpty())
wrapper = wrapInShadowTemplate(wrapper, scriptWrappable, isolate);
return wrapper;
}
