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

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/*
* Copyright © 2020 Luciano Iam <lucianito@gmail.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 { AddressableComponent } from '../base/component.js';
import { StateNode } from '../base/protocol.js';
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import Plugin from './plugin.js';
const NodeToProperty = Object.freeze({
[StateNode.STRIP_METER] : 'meter',
[StateNode.STRIP_GAIN] : 'gain',
[StateNode.STRIP_PAN] : 'pan',
[StateNode.STRIP_MUTE] : 'mute'
});
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export default class Strip extends AddressableComponent {
constructor (parent, addr, desc) {
super(parent, addr);
this._plugins = {};
this._name = desc[0];
this._isVca = desc[1];
this._meter = 0;
this._gain = 0;
this._pan = 0;
this._mute = false;
}
get plugins () {
return Object.values(this._plugins);
}
get name () {
return this._name;
}
get isVca () {
return this._isVca;
}
get meter () {
return this._meter;
}
get gain () {
return this._gain;
}
set gain (db) {
this.updateRemote('gain', db, StateNode.STRIP_GAIN);
}
get pan () {
return this._pan;
}
set pan (value) {
this.updateRemote('pan', value, StateNode.STRIP_PAN);
}
get mute () {
return this._mute;
}
set mute (value) {
this.updateRemote('mute', value, StateNode.STRIP_MUTE);
}
handle (node, addr, val) {
if (node.startsWith('strip_plugin')) {
if (node == StateNode.STRIP_PLUGIN_DESCRIPTION) {
this._plugins[addr] = new Plugin(this, addr, val);
this.notifyPropertyChanged('plugins');
return true;
} else {
const pluginAddr = [addr[0], addr[1]];
if (pluginAddr in this._plugins) {
return this._plugins[pluginAddr].handle(node, addr, val);
}
}
} else if (node in NodeToProperty) {
this.updateLocal(NodeToProperty[node], val[0]);
return true;
}
return false;
}
}