v8::Handle<v8::Object> CustomElementWrapper<ElementType, WrapperType>::wrap(PassRefPtrWillBeRawPtr<ElementType> element, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate, v8::Handle<v8::Object> (*createSpecificWrapper)(ElementType* element, v8::Handle<v8::Object> creationContext, v8::Isolate*))
{
ASSERT(DOMDataStore::getWrapper<V8Element>(element.get(), isolate).IsEmpty());
// FIXME: creationContext.IsEmpty() should never happen. Remove
// this when callers (like InspectorController::inspect) are fixed
// to never pass an empty creation context.
v8::Handle<v8::Context> context = creationContext.IsEmpty() ? isolate->GetCurrentContext() : creationContext->CreationContext();
if (!element->isUpgradedCustomElement() || DOMWrapperWorld::world(context).isIsolatedWorld())
return createUpgradeCandidateWrapper(element.get(), creationContext, isolate, createSpecificWrapper);
V8PerContextData* perContextData = V8PerContextData::from(context);
if (!perContextData)
return v8::Handle<v8::Object>();
CustomElementBinding* binding = perContextData->customElementBinding(element->customElementDefinition());
v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(creationContext, binding->wrapperType(), element.get(), isolate);
if (wrapper.IsEmpty())
return v8::Handle<v8::Object>();
wrapper->SetPrototype(binding->prototype());
V8DOMWrapper::associateObjectWithWrapper<WrapperType>(element, binding->wrapperType(), wrapper, isolate, WrapperConfiguration::Dependent);
return wrapper;
}
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;
}
static void TestInterfaceNamedConstructorConstructorGetter(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
{
v8::Handle<v8::Value> data = info.Data();
ASSERT(data->IsExternal());
V8PerContextData* perContextData = V8PerContextData::from(info.Holder()->CreationContext());
if (!perContextData)
return;
v8SetReturnValue(info, perContextData->constructorForType(WrapperTypeInfo::unwrap(data)));
}
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;
}
V8DOMActivityLogger* V8DOMActivityLogger::currentActivityLogger()
{
v8::Isolate* isolate = v8::Isolate::GetCurrent();
if (!isolate->InContext())
return 0;
V8PerContextData* contextData = ScriptState::current(isolate)->perContextData();
if (!contextData)
return 0;
return contextData->activityLogger();
}
bool V8CustomElementLifecycleCallbacks::setBinding(CustomElementDefinition* owner, PassOwnPtr<CustomElementBinding> binding)
{
V8PerContextData* perContextData = creationContextData();
if (!perContextData)
return false;
// The context is responsible for keeping the prototype
// alive. This in turn keeps callbacks alive through hidden
// references; see CALLBACK_LIST(SET_HIDDEN_VALUE).
perContextData->addCustomElementBinding(owner, binding);
return true;
}
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;
}
bool V8CustomElementLifecycleCallbacks::setBinding(CustomElementDefinition* owner, PassOwnPtr<CustomElementBinding> binding)
{
ASSERT(!m_owner);
V8PerContextData* perContextData = creationContextData();
if (!perContextData)
return false;
m_owner = owner;
// Bindings retrieve the prototype when needed from per-context data.
perContextData->addCustomElementBinding(owner, binding);
return true;
}
V8DOMActivityLogger* V8DOMActivityLogger::currentActivityLogger() {
v8::Isolate* isolate = v8::Isolate::GetCurrent();
if (!isolate->InContext())
return 0;
v8::HandleScope handleScope(isolate);
v8::Local<v8::Context> context = isolate->GetCurrentContext();
if (context.IsEmpty() || !toDOMWindow(context))
return 0;
V8PerContextData* contextData = ScriptState::from(context)->perContextData();
if (!contextData)
return 0;
return contextData->activityLogger();
}
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;
}
