openethereum/js/packages/api/provider/postMessage.js
Jaco Greeff 49fdd23d58 Ui 2 move to packages/* (#6113)
* Move secureApi to shell

* Extract isTestnet test

* Use mobx + subscriptions for status

* Re-add status indicator

* Add lerna

* Move intial packages to js/packages

* Move 3rdparty/{email,sms}-verification to correct location

* Move package.json & README to library src

* Move tests for library packages

* Move views & dapps to packages

* Move i18n to root

* Move shell to actual src (main app)

* Remove ~ references

* Change ~ to root (explicit imports)

* Finalise convert of ~

* Move views into dapps as well

* Move dapps to packages/

* Fix references

* Update css

* Update test spec locations

* Update tests

* Case fix

* Skip flakey tests

* Update enzyme

* Skip previously ignored tests

* Allow empty api for hw

* Re-add theme for embed
2017-07-21 15:46:53 +02:00

57 lines
1.5 KiB
JavaScript

// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
export default class PostMessage {
id = 0;
_callbacks = {};
constructor (token, destination) {
this._token = token;
this._destination = destination;
window.addEventListener('message', this.receiveMessage, false);
}
addMiddleware () {
}
send = (method, params, callback) => {
const id = ++this.id;
this._callbacks[id] = callback;
this._destination.postMessage({
id,
from: this._token,
method,
params,
token: this._token
}, '*');
}
receiveMessage = ({ data: { id, error, from, token, result }, origin, source }) => {
if (from !== 'shell' || token !== this._token) {
return;
}
if (error) {
console.error(from, error);
}
this._callbacks[id](error && new Error(error), result);
this._callbacks[id] = null;
}
}