94 lines
2.0 KiB
JavaScript
94 lines
2.0 KiB
JavaScript
/*
|
|
* 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 { Message } from './protocol.js';
|
|
import Observable from './observable.js';
|
|
|
|
export class Component extends Observable {
|
|
|
|
constructor (channel) {
|
|
super(null);
|
|
this._channel = channel;
|
|
}
|
|
|
|
get channel () {
|
|
return this._channel;
|
|
}
|
|
|
|
on (property, callback) {
|
|
this.addObserver(property, (self) => callback(self[property]));
|
|
}
|
|
|
|
send (node, addr, val) {
|
|
this.channel.send(new Message(node, addr, val));
|
|
}
|
|
|
|
handle (node, addr, val) {
|
|
return false;
|
|
}
|
|
|
|
handleMessage (msg) {
|
|
return this.handle(msg.node, msg.addr, msg.val);
|
|
}
|
|
|
|
updateLocal (property, value) {
|
|
this['_' + property] = value;
|
|
this.notifyObservers(property);
|
|
}
|
|
|
|
updateRemote (property, value, node, addr) {
|
|
this['_' + property] = value;
|
|
this.send(node, addr || [], [value]);
|
|
}
|
|
|
|
}
|
|
|
|
export class ChildComponent extends Component {
|
|
|
|
constructor (parent) {
|
|
super();
|
|
this._parent = parent;
|
|
}
|
|
|
|
get channel () {
|
|
return this._parent.channel;
|
|
}
|
|
|
|
}
|
|
|
|
export class AddressableComponent extends ChildComponent {
|
|
|
|
constructor (parent, addr) {
|
|
super(parent);
|
|
this._addr = addr;
|
|
}
|
|
|
|
get addr () {
|
|
return this._addr;
|
|
}
|
|
|
|
get addrId () {
|
|
return this._addr.join('-');
|
|
}
|
|
|
|
updateRemote (property, value, node) {
|
|
super.updateRemote(property, value, node, this.addr);
|
|
}
|
|
|
|
}
|