Handle<Value> TiRootObject::_require(void* userContext, TiObject* caller, const Arguments& args)
{
HandleScope scope;
Local<Object> globalObject = TitaniumRuntime::getContenxt()->Global();
Handle<Value> nativeModule = TiModuleRegistry::GetModule(QString(*String::Utf8Value(args[0]->ToString())));
if(!nativeModule->IsUndefined())
{
return scope.Close(nativeModule);
}
QString fileName = Ti::TiHelper::QStringFromValue(args[0]).append(".js");
QString filePath = Ti::TiHelper::getAssetPath(fileName).prepend("app/native/");
Local<Value> existingModule = globalObject->GetHiddenValue(Ti::TiHelper::ValueFromQString(fileName)->ToString());
if(!existingModule.IsEmpty() && !existingModule->IsUndefined())
{
return scope.Close(existingModule);
}
QString js = readJsFile(filePath);
if(js.isEmpty()) {
ThrowException(String::New(
QString("Module not found ").append(fileName).toLocal8Bit().constData()
));
return scope.Close(Undefined());
}
js.prepend("(function(){"
"var __vars = {};"
"__vars.exports = {};"
"__vars.module = {exports:__vars.exports};"
"var module = __vars.module;"
"var exports = __vars.exports;");
js.append("\nreturn __vars.module.exports;"
"})();");
Handle<Script> script = Script::Compile(Ti::TiHelper::ValueFromQString(js)->ToString() , Ti::TiHelper::ValueFromQString(fileName));
TryCatch tryCatch;
if (script.IsEmpty())
{
Ti::TiErrorScreen::ShowWithTryCatch(tryCatch);
return scope.Close(Undefined());
}
Persistent<Value> result = Persistent<Value>::New(script->Run());
result.MarkIndependent();
if (result.IsEmpty())
{
Ti::TiErrorScreen::ShowWithTryCatch(tryCatch);
return scope.Close(Undefined());
}
globalObject->SetHiddenValue(Ti::TiHelper::ValueFromQString(fileName)->ToString(), result);
return scope.Close(result);
}
void MetadataNode::SetPackageMetadata(Isolate *isolate, Local<Object> value, MetadataNode *node)
{
value->SetHiddenValue(ConvertToV8String("tns::PackageMetadata"), External::New(isolate, node));
}
void MetadataNode::ExtendCallMethodHandler(const v8::FunctionCallbackInfo<v8::Value>& info)
{
if (info.IsConstructCall())
{
string exMsg("Cannot call 'extend' as constructor");
ExceptionUtil::GetInstance()->ThrowExceptionToJs(exMsg);
return;
}
SET_PROFILER_FRAME();
Local<Object> implementationObject;
Local<String> extendName;
string extendLocation;
auto validArgs = ValidateExtendArguments(info, extendLocation, extendName, implementationObject);
if (!validArgs)
return;
auto node = reinterpret_cast<MetadataNode*>(info.Data().As<External>()->Value());
DEBUG_WRITE("ExtendsCallMethodHandler: called with %s", ConvertToString(extendName).c_str());
string extendNameAndLocation = extendLocation + ConvertToString(extendName);
auto fullClassName = TNS_PREFIX + CreateFullClassName(node->m_name, extendNameAndLocation);
//
//resolve class (pre-generated or generated runtime from dex generator)
jclass resolvedClass = NativeScriptRuntime::ResolveClass(fullClassName, implementationObject); //resolve class returns GlobalRef
std::string generatedFullClassName = s_objectManager->GetClassName(resolvedClass);
//
auto fullExtendedName = generatedFullClassName;
DEBUG_WRITE("ExtendsCallMethodHandler: extend full name %s", fullClassName.c_str());
auto isolate = info.GetIsolate();
auto cachedData = GetCachedExtendedClassData(isolate, fullExtendedName);
if (cachedData.extendedCtorFunction != nullptr)
{
auto cachedExtendedCtorFunc = Local<Function>::New(isolate, *cachedData.extendedCtorFunction);
info.GetReturnValue().Set(cachedExtendedCtorFunc);
return;
}
auto implementationObjectPropertyName = V8StringConstants::GetClassImplementationObject();
//reuse validation - checks that implementationObject is not reused for different classes
auto implementationObjectProperty = implementationObject->GetHiddenValue(implementationObjectPropertyName).As<String>();
if (implementationObjectProperty.IsEmpty())
{
//mark the implementationObject as such and set a pointer to it's class node inside it for reuse validation later
implementationObject->SetHiddenValue(implementationObjectPropertyName, String::NewFromUtf8(isolate, fullExtendedName.c_str()));
}
else
{
string usedClassName = ConvertToString(implementationObjectProperty);
stringstream s;
s << "This object is used to extend another class '" << usedClassName << "'";
ExceptionUtil::GetInstance()->ThrowExceptionToJs(s.str());
return;
}
auto baseClassCtorFunc = node->GetConstructorFunction(isolate);
auto extendData = External::New(isolate, new ExtendedClassData(node, extendNameAndLocation, implementationObject, fullExtendedName));
auto extendFuncTemplate = FunctionTemplate::New(isolate, ExtendedClassConstructorCallback, extendData);
extendFuncTemplate->InstanceTemplate()->SetInternalFieldCount(static_cast<int>(ObjectManager::MetadataNodeKeys::END));
auto extendFunc = extendFuncTemplate->GetFunction();
auto prototypeName = ConvertToV8String("prototype");
implementationObject->SetPrototype(baseClassCtorFunc->Get(prototypeName));
implementationObject->SetAccessor(ConvertToV8String("super"), SuperAccessorGetterCallback, nullptr, implementationObject);
auto extendFuncPrototype = extendFunc->Get(prototypeName).As<Object>();
auto p = extendFuncPrototype->GetPrototype();
extendFuncPrototype->SetPrototype(implementationObject);
extendFunc->SetPrototype(baseClassCtorFunc);
SetClassAccessor(extendFunc);
SetTypeMetadata(isolate, extendFunc, new TypeMetadata(fullExtendedName));
info.GetReturnValue().Set(extendFunc);
s_name2NodeCache.insert(make_pair(fullExtendedName, node));
ExtendedClassCacheData cacheData(extendFunc, fullExtendedName, node);
s_extendedCtorFuncCache.insert(make_pair(fullExtendedName, cacheData));
}
void MetadataNode::SetInstanceMetadata(Isolate *isolate, Local<Object> value, MetadataNode *node)
{
auto key = Local<String>::New(isolate, *s_metadataKey);
value->SetHiddenValue(key, External::New(isolate, node));
}
Handle<Object> WrapComponent(Handle<Object> wrappedes, ScriptSystem* scriptsys, dtEntity::EntityId eid, dtEntity::Component* v)
{
HandleScope handle_scope;
Handle<Object> wrapped = scriptsys->GetFromComponentMap(v->GetType(), eid);
if(!wrapped.IsEmpty())
{
return wrapped;
}
Handle<FunctionTemplate> templt = GetScriptSystem()->GetTemplateBySID(s_componentWrapper);
if(templt.IsEmpty())
{
templt = FunctionTemplate::New();
templt->SetClassName(String::New("Component"));
templt->InstanceTemplate()->SetInternalFieldCount(1);
Handle<ObjectTemplate> proto = templt->PrototypeTemplate();
proto->Set("equals", FunctionTemplate::New(COEquals));
proto->Set("getType", FunctionTemplate::New(COGetType));
proto->Set("properties", FunctionTemplate::New(COProperties));
proto->Set("toString", FunctionTemplate::New(COToString));
proto->Set("finished", FunctionTemplate::New(COFinished));
proto->Set("copyPropertyValues", FunctionTemplate::New(COCopyPropertyValues));
GetScriptSystem()->SetTemplateBySID(s_componentWrapper, templt);
}
Local<Object> instance = templt->GetFunction()->NewInstance();
instance->SetInternalField(0, External::New(v));
instance->SetHiddenValue(scriptsys->GetEntityIdString(), Uint32::New(eid));
// GetStringFromSID and conversion to v8::String is costly, create a
// hidden value in entity system wrapper that stores
// strings and their string ids as name=>value pairs
Handle<Value> propnamesval = wrappedes->GetHiddenValue(scriptsys->GetPropertyNamesString());
if(propnamesval.IsEmpty())
{
Handle<Object> names = Object::New();
dtEntity::PropertyGroup::const_iterator i;
const dtEntity::PropertyGroup& props = v->Get();
for(i = props.begin(); i != props.end(); ++i)
{
dtEntity::StringId sid = i->first;
std::string propname = dtEntity::GetStringFromSID(sid);
names->Set(String::New(propname.c_str()), WrapSID(sid));
}
wrappedes->SetHiddenValue(scriptsys->GetPropertyNamesString(), names);
propnamesval = names;
}
Handle<Object> propnames = Handle<Object>::Cast(propnamesval);
Handle<Array> keys = propnames->GetPropertyNames();
for(unsigned int i = 0; i < keys->Length(); ++i)
{
Handle<String> str = keys->Get(i)->ToString();
dtEntity::StringId sid = UnwrapSID(propnames->Get(str));
dtEntity::Property* prop = v->Get(sid);
if(prop == NULL)
{
LOG_ERROR("Could not find property in component: " << ToStdString(str));
continue;
}
Handle<External> ext = v8::External::New(static_cast<void*>(prop));
instance->SetAccessor(str, COPropertyGetter, COPropertySetter, ext);
}
// store wrapped component to script system
scriptsys->AddToComponentMap(v->GetType(), eid, instance);
return handle_scope.Close(instance);
}