static void npObjectNamedSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<v8::Value>& info) { HTMLPlugInElement* imp = C::toNative(info.Holder()); ScriptInstance scriptInstance = imp->getInstance(); if (!scriptInstance) return; v8::Local<v8::Object> instance = scriptInstance->newLocal(v8::Isolate::GetCurrent()); if (instance.IsEmpty()) return; npObjectSetNamedProperty(instance, name, value, info); }
void npObjectIndexedGetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info) { HTMLPlugInElement* imp = C::toNative(info.Holder()); ScriptInstance scriptInstance = imp->getInstance(); if (!scriptInstance) return; v8::Local<v8::Object> instance = scriptInstance->newLocal(v8::Isolate::GetCurrent()); if (instance.IsEmpty()) return; npObjectGetIndexedProperty(instance, index, info); }
// FIXME: need comments. // Params: holder could be HTMLEmbedElement or NPObject static void npObjectInvokeImpl(const v8::FunctionCallbackInfo<v8::Value>& args, InvokeFunctionType functionId) { NPObject* npObject; WrapperWorldType currentWorldType = worldType(args.GetIsolate()); // These three types are subtypes of HTMLPlugInElement. if (V8HTMLAppletElement::HasInstance(args.Holder(), args.GetIsolate(), currentWorldType) || V8HTMLEmbedElement::HasInstance(args.Holder(), args.GetIsolate(), currentWorldType) || V8HTMLObjectElement::HasInstance(args.Holder(), args.GetIsolate(), currentWorldType)) { // The holder object is a subtype of HTMLPlugInElement. HTMLPlugInElement* element; if (V8HTMLAppletElement::HasInstance(args.Holder(), args.GetIsolate(), currentWorldType)) element = V8HTMLAppletElement::toNative(args.Holder()); else if (V8HTMLEmbedElement::HasInstance(args.Holder(), args.GetIsolate(), currentWorldType)) element = V8HTMLEmbedElement::toNative(args.Holder()); else element = V8HTMLObjectElement::toNative(args.Holder()); ScriptInstance scriptInstance = element->getInstance(); if (scriptInstance) { v8::Isolate* isolate = v8::Isolate::GetCurrent(); v8::HandleScope handleScope(isolate); npObject = v8ObjectToNPObject(scriptInstance->newLocal(isolate)); } else npObject = 0; } else { // The holder object is not a subtype of HTMLPlugInElement, it must be an NPObject which has three // internal fields. if (args.Holder()->InternalFieldCount() != npObjectInternalFieldCount) { throwError(v8ReferenceError, "NPMethod called on non-NPObject", args.GetIsolate()); return; } npObject = v8ObjectToNPObject(args.Holder()); } // Verify that our wrapper wasn't using a NPObject which has already been deleted. if (!npObject || !_NPN_IsAlive(npObject)) { throwError(v8ReferenceError, "NPObject deleted", args.GetIsolate()); return; } // Wrap up parameters. int numArgs = args.Length(); OwnArrayPtr<NPVariant> npArgs = adoptArrayPtr(new NPVariant[numArgs]); for (int i = 0; i < numArgs; i++) convertV8ObjectToNPVariant(args[i], npObject, &npArgs[i]); NPVariant result; VOID_TO_NPVARIANT(result); bool retval = true; switch (functionId) { case InvokeMethod: if (npObject->_class->invoke) { v8::Handle<v8::String> functionName = v8::Handle<v8::String>::Cast(args.Data()); NPIdentifier identifier = getStringIdentifier(functionName); retval = npObject->_class->invoke(npObject, identifier, npArgs.get(), numArgs, &result); } break; case InvokeConstruct: if (npObject->_class->construct) retval = npObject->_class->construct(npObject, npArgs.get(), numArgs, &result); break; case InvokeDefault: if (npObject->_class->invokeDefault) retval = npObject->_class->invokeDefault(npObject, npArgs.get(), numArgs, &result); break; default: break; } if (!retval) throwError(v8GeneralError, "Error calling method on NPObject.", args.GetIsolate()); for (int i = 0; i < numArgs; i++) _NPN_ReleaseVariantValue(&npArgs[i]); // Unwrap return values. v8::Handle<v8::Value> returnValue; if (_NPN_IsAlive(npObject)) returnValue = convertNPVariantToV8Object(&result, npObject, args.GetIsolate()); _NPN_ReleaseVariantValue(&result); v8SetReturnValue(args, returnValue); }