HandleProxy* V8EngineProxy::SetGlobalObjectTemplate(ObjectTemplateProxy* proxy)
{
if (!_Context.IsEmpty())
_Context.Reset();
if (_GlobalObjectTemplateProxy != nullptr)
delete _GlobalObjectTemplateProxy;
_GlobalObjectTemplateProxy = proxy;
auto context = v8::Context::New(_Isolate, nullptr, Local<ObjectTemplate>::New(_Isolate, _GlobalObjectTemplateProxy->_ObjectTemplate));
_Context = context;
// ... the context auto creates the global object from the given template, BUT, we still need to update the internal fields with proper values expected
// for callback into managed code ...
auto globalObject = context->Global()->GetPrototype()->ToObject();
globalObject->SetAlignedPointerInInternalField(0, _GlobalObjectTemplateProxy); // (proxy object reference)
globalObject->SetInternalField(1, External::New(_Isolate, (void*)-1)); // (manage object ID, which is only applicable when tracking many created objects [and not a single engine or global scope])
_GlobalObject = globalObject; // (keep a reference to the global object for faster reference)
return GetHandleProxy(globalObject); // (the native side will own this, and is responsible to free it when done)
}
HandleProxy* FunctionTemplateProxy::CreateInstance(int32_t managedObjectID, int32_t argCount, HandleProxy** args)
{
auto hArgs = new Handle<Value>[argCount];
for (auto i = 0; i < argCount; i++)
hArgs[i] = args[i]->Handle();
auto obj = _FunctionTemplate->GetFunction()->NewInstance(argCount, hArgs);
delete[] hArgs; // TODO: (does "disposed" still need to be called here for each item?)
if (managedObjectID == -1)
managedObjectID = _EngineProxy->GetNextNonTemplateObjectID();
auto proxyVal = _EngineProxy->GetHandleProxy(obj);
proxyVal->_ObjectID = managedObjectID;
//??auto count = obj->InternalFieldCount();
obj->SetAlignedPointerInInternalField(0, this); // (stored a reference to the proxy instance for the call-back functions)
obj->SetInternalField(1, NewExternal(reinterpret_cast<void*>(managedObjectID))); // (stored a reference to the managed object for the call-back functions)
obj->SetHiddenValue(NewString("ManagedObjectID"), NewInteger(managedObjectID)); // (won't be used on template created objects [fields are faster], but done anyhow for consistency)
return proxyVal;
}
