63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
/*
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* Copyright © 2020 Luciano Iam <lucianito@gmail.com>
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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import { ArdourMessageChannel } from './channel.js';
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export class Ardour {
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constructor () {
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this.channel = new ArdourMessageChannel(location.host);
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}
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async open () {
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await this.channel.open();
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}
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close () {
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this.channel.close();
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}
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async getAvailableSurfaces () {
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const response = await fetch('/surfaces.json');
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if (response.status == 200) {
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return await response.json();
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} else {
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throw new Error(`HTTP response status ${response.status}`);
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}
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}
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async getSurfaceManifest () {
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const response = await fetch('manifest.xml');
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if (response.status == 200) {
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const xmlText = await response.text();
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const xmlDoc = new DOMParser().parseFromString(xmlText, 'text/xml');
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return {
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name: xmlDoc.getElementsByTagName('Name')[0].getAttribute('value'),
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description: xmlDoc.getElementsByTagName('Description')[0].getAttribute('value')
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}
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} else {
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throw new Error(`HTTP response status ${response.status}`);
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}
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}
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// TO DO - add methods for dealing with messages flowing from/to the WebSockets channel
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}
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