Taras Machyshyn
57 lines
1.9 KiB
JavaScript
57 lines
1.9 KiB
JavaScript
/************************************************************************
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* This file is part of EspoCRM.
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*
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* EspoCRM - Open Source CRM application.
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* Copyright (C) 2014-2022 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
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* Website: https://www.espocrm.com
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*
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* EspoCRM is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* EspoCRM is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with EspoCRM. If not, see http://www.gnu.org/licenses/.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
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************************************************************************/
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define('broadcast-channel', [], function () {
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return class {
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constructor() {
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this.object = null;
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if (window.BroadcastChannel) {
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this.object = new BroadcastChannel('app');
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}
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}
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postMessage(message) {
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if (!this.object) {
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return;
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}
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this.object.postMessage(message);
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}
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subscribe(callback) {
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if (!this.object) {
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return;
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}
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this.object.addEventListener('message', callback);
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}
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};
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});
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