Handle<Value> Proxy::proxyConstructor(const Arguments& args)
{
HandleScope scope;
JNIEnv *env = JNIScope::getEnv();
Local<Object> jsProxy = args.Holder();
Handle<Object> properties = Object::New();
jsProxy->Set(propertiesSymbol, properties, PropertyAttribute(DontEnum));
Handle<Object> prototype = jsProxy->GetPrototype()->ToObject();
Handle<Function> constructor = Handle<Function>::Cast(prototype->Get(constructorSymbol));
jclass javaClass = (jclass) External::Unwrap(constructor->Get(javaClassSymbol));
// If ProxyFactory::createV8Proxy invoked us, unwrap
// the pre-created Java proxy it sent.
jobject javaProxy = ProxyFactory::unwrapJavaProxy(args);
bool deleteRef = false;
if (!javaProxy) {
javaProxy = ProxyFactory::createJavaProxy(javaClass, jsProxy, args);
deleteRef = true;
}
JNIUtil::logClassName("Create proxy: %s", javaClass);
Proxy *proxy = new Proxy(javaProxy);
proxy->Wrap(jsProxy);
int length = args.Length();
if (length > 0 && args[0]->IsObject()) {
/*
Handle<Value> argsStr = V8Util::jsonStringify(args[0]);
String::Utf8Value str(argsStr);
LOGV(TAG, " with args: %s", *str);
*/
bool extend = true;
Handle<Object> createProperties = args[0]->ToObject();
Local<String> constructorName = createProperties->GetConstructorName();
if (strcmp(*String::Utf8Value(constructorName), "Arguments") == 0) {
extend = false;
int32_t argsLength = createProperties->Get(String::New("length"))->Int32Value();
if (argsLength > 1) {
Handle<Value> properties = createProperties->Get(1);
if (properties->IsObject()) {
extend = true;
createProperties = properties->ToObject();
}
}
}
if (extend) {
Handle<Array> names = createProperties->GetOwnPropertyNames();
int length = names->Length();
for (int i = 0; i < length; ++i) {
Handle<Value> name = names->Get(i);
Handle<Value> value = createProperties->Get(name);
bool isProperty = true;
if (name->IsString()) {
Handle<String> nameString = name->ToString();
if (!jsProxy->HasRealNamedCallbackProperty(nameString)
&& !jsProxy->HasRealNamedProperty(nameString)) {
jsProxy->Set(name, value);
isProperty = false;
}
}
if (isProperty) {
properties->Set(name, value);
}
}
}
}
if (!args.Data().IsEmpty() && args.Data()->IsFunction()) {
Handle<Function> proxyFn = Handle<Function>::Cast(args.Data());
Handle<Value> *fnArgs = new Handle<Value>[length];
for (int i = 0; i < length; ++i) {
fnArgs[i] = args[i];
}
proxyFn->Call(jsProxy, length, fnArgs);
}
if (deleteRef) {
JNIEnv *env = JNIScope::getEnv();
if (env) {
env->DeleteLocalRef(javaProxy);
}
}
return jsProxy;
}
