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livetrax/share/web_surfaces/shared/components/transport.js

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/*
* Copyright © 2020 Luciano Iam <oss@lucianoiam.com>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
import { ChildComponent } from '../base/component.js';
import { StateNode } from '../base/protocol.js';
const NodeToProperty = Object.freeze({
[StateNode.TRANSPORT_TEMPO] : 'tempo',
[StateNode.TRANSPORT_TIME] : 'time',
[StateNode.TRANSPORT_ROLL] : 'roll',
[StateNode.TRANSPORT_RECORD] : 'record'
});
export default class Transport extends ChildComponent {
constructor (parent) {
super(parent);
this._time = 0;
this._tempo = 0;
this._roll = false;
this._record = false;
}
get time () {
return this._time;
}
get tempo () {
return this._tempo;
}
set tempo (bpm) {
this.updateRemote('tempo', bpm, StateNode.TRANSPORT_TEMPO);
}
get roll () {
return this._roll;
}
set roll (value) {
this.updateRemote('roll', value, StateNode.TRANSPORT_ROLL);
}
get record () {
return this._record;
}
set record (value) {
this.updateRemote('record', value, StateNode.TRANSPORT_RECORD);
}
handle (node, addr, val) {
if (node in NodeToProperty) {
this.updateLocal(NodeToProperty[node], val[0]);
return true;
}
return false;
}
}