blob: acacae81cecb30dff48bf86415629a731dcbf17f [file] [log] [blame]
// Copyright 2022 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// https://html.spec.whatwg.org/multipage/web-messaging.html#messageport
// https://html.spec.whatwg.org/dev/web-messaging.html#message-ports
interface MessagePort /* : EventTarget */ {
// [RaisesException]
void postMessage(USVString message);
// void postMessage(USVString message, sequence<USVString> transfer);
// TODO: Support sequence<object>: b/218501774
// void postMessage(any message, sequence<object> transfer);
// TODO: Support overloads with dictionary parameter: b/218506730
// void postMessage(any message, optional StructuredSerializeOptions
// options);
void start();
void close();
// event handlers
attribute EventHandler onmessage;
attribute EventHandler onmessageerror;
};