bool IsInheritTemplate(Handle<Value> val,uint tid){
if(!val->IsObject()) return false;
Local<Function> func = GetEnv()->GetTemplate(tid)->GetFunction();
Local<Object> obj = val->ToObject()->GetPrototype()->ToObject();
while(true){
if(obj->GetPrototype()->IsNull()) return false;
if(obj->GetConstructorName()==func->GetName()->ToString()) return true;
obj = obj->GetPrototype()->ToObject();
}
}
void MetadataNode::InjectPrototype(Local<Object>& target, Local<Object>& implementationObject)
{
auto isolate = Isolate::GetCurrent();
implementationObject->SetAccessor(ConvertToV8String("super"), SuperAccessorGetterCallback, nullptr, implementationObject);
implementationObject->SetPrototype(target->GetPrototype());
target->SetPrototype(implementationObject);
}
WrappedContext::WrappedContext(Persistent<Context> context)
: context_(context)
{
HandleScope scope;
Local<Object> globalProxy = context->Global();
Local<Object> global = globalProxy->GetPrototype().As<Object>();
Wrap(global);
}
void Proxy::proxyConstructor(const v8::FunctionCallbackInfo<v8::Value>& args)
{
LOGD(TAG, "proxy constructor callback!");
Isolate* isolate = args.GetIsolate();
EscapableHandleScope scope(isolate);
JNIEnv *env = JNIScope::getEnv();
Local<Object> jsProxy = args.This();
// First things first, we need to wrap the object in case future calls need to unwrap proxy!
Proxy* proxy = new Proxy(NULL);
proxy->wrap(isolate, jsProxy);
// every instance gets a special "_properties" object for us to use internally for get/setProperty
jsProxy->DefineOwnProperty(isolate->GetCurrentContext(), propertiesSymbol.Get(isolate), Object::New(isolate), static_cast<PropertyAttribute>(DontEnum));
// Now we hook up a java Object from the JVM...
jobject javaProxy = ProxyFactory::unwrapJavaProxy(args); // do we already have one that got passed in?
bool deleteRef = false;
if (!javaProxy) {
// No passed in java object, so let's create an instance
// Look up java class from prototype...
Local<Object> prototype = jsProxy->GetPrototype()->ToObject(isolate);
Local<Function> constructor = prototype->Get(constructorSymbol.Get(isolate)).As<Function>();
Local<External> wrap = constructor->Get(javaClassSymbol.Get(isolate)).As<External>();
jclass javaClass = static_cast<jclass>(wrap->Value());
// Now we create an instance of the class and hook it up
JNIUtil::logClassName("Creating java proxy for class %s", javaClass);
javaProxy = ProxyFactory::createJavaProxy(javaClass, jsProxy, args);
deleteRef = true;
}
proxy->attach(javaProxy);
int length = args.Length();
if (length > 0 && args[0]->IsObject()) {
bool extend = true;
Local<Object> createProperties = args[0].As<Object>();
Local<String> constructorName = createProperties->GetConstructorName();
if (strcmp(*titanium::Utf8Value(constructorName), "Arguments") == 0) {
extend = false;
int32_t argsLength = createProperties->Get(STRING_NEW(isolate, "length"))->Int32Value();
if (argsLength > 1) {
Local<Value> properties = createProperties->Get(1);
if (properties->IsObject()) {
extend = true;
createProperties = properties.As<Object>();
}
}
}
if (extend) {
Local<Array> names = createProperties->GetOwnPropertyNames();
int length = names->Length();
Local<Object> properties = jsProxy->Get(propertiesSymbol.Get(isolate))->ToObject(isolate);
for (int i = 0; i < length; ++i) {
Local<Value> name = names->Get(i);
Local<Value> value = createProperties->Get(name);
bool isProperty = true;
if (name->IsString()) {
Local<String> nameString = name.As<String>();
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()) {
Local<Function> proxyFn = args.Data().As<Function>();
Local<Value> *fnArgs = new Local<Value>[length];
for (int i = 0; i < length; ++i) {
fnArgs[i] = args[i];
}
proxyFn->Call(isolate->GetCurrentContext(), jsProxy, length, fnArgs);
}
if (deleteRef) {
JNIEnv *env = JNIScope::getEnv();
if (env) {
env->DeleteLocalRef(javaProxy);
}
}
args.GetReturnValue().Set(scope.Escape(jsProxy));
}
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;
}
