91 lines
2.5 KiB
JavaScript
91 lines
2.5 KiB
JavaScript
// TODO: read /dev to recalculate devices and remake subprocess
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import { Service, Utils } from '../imports.js';
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class Pointers extends Service {
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static {
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Service.register(this, {
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'proc-started': ['boolean'],
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'proc-destroyed': ['boolean'],
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'device-fetched': ['boolean'],
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'new-line': ['string'],
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});
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}
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proc = undefined;
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output = '';
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devices = new Map();
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get process() { return this.proc; }
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get lastLine() { return this.output; }
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get pointers() { return this.devices; }
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constructor() {
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super();
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this.parseDevices();
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}
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parseDevices() {
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Utils.execAsync(['libinput', 'list-devices']).then(out => {
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const lines = out.split('\n');
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let device = null;
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const devices = new Map();
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lines.forEach(line => {
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const parts = line.split(':');
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if (parts[0] === 'Device') {
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device = {};
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devices.set(parts[1].trim(), device);
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}
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else if (device && parts[1]) {
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const key = parts[0].trim();
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const value = parts[1].trim();
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device[key] = value;
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}
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});
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this.devices = Array.from(devices).filter(dev => dev.Capabilities &&
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dev.Capabilities.includes('pointer'));
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this.emit('device-fetched', true);
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}).catch(print);
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}
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startProc() {
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if (this.proc)
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return;
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const args = [];
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this.devices.forEach(dev => {
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if (dev.Kernel) {
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args.push('--device');
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args.push(dev.Kernel);
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}
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});
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this.proc = Utils.subprocess(
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['libinput', 'debug-events', ...args],
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output => {
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if (output.includes('BTN') && output.includes('released') ||
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output.includes('TOUCH_UP') ||
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output.includes('HOLD_END') && !output.includes('cancelled')) {
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this.output = output;
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this.emit('new-line', output);
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}
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},
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err => logError(err),
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);
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this.emit('proc-started', true);
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}
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killProc() {
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if (this.proc) {
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this.proc.force_exit();
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this.proc = undefined;
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this.emit('proc-destroyed', true);
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}
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}
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}
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const pointersService = new Pointers();
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export default pointersService;
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