2ba8dab95e
avoid hardcoded node name strings in mixer-demo improve mixer-demo design split ardour.js client into control and metadata mixins rename JS client class Ardour to ArdourClient JS client improve mixin implementation JS client improve manifest parser NO-OP whitespace and comments NO-OP update websurface manifest versions add Ardour icon in mixer-demo improve mixer-demo scrolling on touch screens
52 lines
1.5 KiB
JavaScript
52 lines
1.5 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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// Surface metadata API over HTTP
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export class MetadataMixin {
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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 this._fetchResponseStatusError(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 manifest = {};
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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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for (const child of xmlDoc.children[0].children) {
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manifest[child.tagName.toLowerCase()] = child.getAttribute('value');
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}
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return manifest;
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} else {
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throw this._fetchResponseStatusError(response.status);
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}
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}
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}
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