void fillMessagePortArray(JSC::ExecState* exec, JSC::JSValue value, MessagePortArray& portArray) { // Convert from the passed-in JS array-like object to a MessagePortArray. // Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL spec and section 8.3.3 of the HTML5 spec. if (value.isUndefinedOrNull()) { portArray.resize(0); return; } // Validation of sequence types, per WebIDL spec 4.1.13. unsigned length; JSObject* object = toJSSequence(exec, value, length); if (exec->hadException()) return; portArray.resize(length); for (unsigned i = 0 ; i < length; ++i) { JSValue value = object->get(exec, i); if (exec->hadException()) return; // Validation of non-null objects, per HTML5 spec 8.3.3. if (value.isUndefinedOrNull()) { setDOMException(exec, INVALID_STATE_ERR); return; } // Validation of Objects implementing an interface, per WebIDL spec 4.1.15. RefPtr<MessagePort> port = toMessagePort(value); if (!port) { throwTypeError(exec); return; } portArray[i] = port.release(); } }
void fillMessagePortArray(JSC::ExecState* exec, JSC::JSValue value, MessagePortArray& portArray, ArrayBufferArray& arrayBuffers) { // Convert from the passed-in JS array-like object to a MessagePortArray. // Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL spec and section 8.3.3 of the HTML5 spec. if (value.isUndefinedOrNull()) { portArray.resize(0); arrayBuffers.resize(0); return; } // Validation of sequence types, per WebIDL spec 4.1.13. unsigned length = 0; JSObject* object = toJSSequence(exec, value, length); if (exec->hadException()) return; for (unsigned i = 0 ; i < length; ++i) { JSValue value = object->get(exec, i); if (exec->hadException()) return; // Validation of non-null objects, per HTML5 spec 10.3.3. if (value.isUndefinedOrNull()) { setDOMException(exec, INVALID_STATE_ERR); return; } // Validation of Objects implementing an interface, per WebIDL spec 4.1.15. RefPtr<MessagePort> port = toMessagePort(value); if (port) { // Check for duplicate ports. if (portArray.contains(port)) { #if MODIFY(ENGINE) //[2014.03.05][infraware][jungong16] : fix to issue. http://www.w3.org/TR/webmessaging/#dom-window-postmessage setDOMException(exec, DATA_CLONE_ERR); #else setDOMException(exec, INVALID_STATE_ERR); #endif return; } portArray.append(port.release()); } else { RefPtr<ArrayBuffer> arrayBuffer = toArrayBuffer(value); if (arrayBuffer) arrayBuffers.append(arrayBuffer); else { throwTypeError(exec); return; } } } }
JSValue JSDOMWindow::postMessage(ExecState* exec, const ArgList& args) { DOMWindow* window = impl(); DOMWindow* source = asJSDOMWindow(exec->lexicalGlobalObject())->impl(); String message = args.at(0).toString(exec); if (exec->hadException()) return jsUndefined(); MessagePort* messagePort = (args.size() == 2) ? 0 : toMessagePort(args.at(1)); String targetOrigin = valueToStringWithUndefinedOrNullCheck(exec, args.at((args.size() == 2) ? 1 : 2)); if (exec->hadException()) return jsUndefined(); ExceptionCode ec = 0; window->postMessage(message, messagePort, targetOrigin, source, ec); setDOMException(exec, ec); return jsUndefined(); }