66 lines
1.7 KiB
JavaScript
66 lines
1.7 KiB
JavaScript
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import Service from 'resource:///com/github/Aylur/ags/service.js';
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import { exec, execAsync, readFileAsync } from 'resource:///com/github/Aylur/ags/utils.js';
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const KBD = 'tpacpi::kbd_backlight';
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const CAPS = '/sys/class/leds/input0::capslock/brightness';
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class Brightness extends Service {
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static {
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Service.register(this, {
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'screen': ['float'],
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'kbd': ['int'],
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'caps': ['int'],
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});
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}
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_kbd = 0;
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_screen = 0;
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_caps = 0;
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get kbd() { return this._kbd; }
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get screen() { return this._screen; }
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get caps() { return this._caps; }
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set kbd(value) {
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// TODO
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}
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set screen(percent) {
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if (percent < 0)
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percent = 0;
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if (percent > 1)
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percent = 1;
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execAsync(`brightnessctl s ${percent * 100}% -q`)
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.then(() => {
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this._screen = percent;
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this.emit('screen', this._screen);
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})
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.catch(console.error);
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}
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constructor() {
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super();
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try {
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this._kbd = Number(exec(`brightnessctl -d ${KBD} g`));
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this._kbdMax = Number(exec(`brightnessctl -d ${KBD} m`));
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this._screen = Number(exec('brightnessctl g')) / Number(exec('brightnessctl m'));
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} catch (error) {
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console.error('missing dependancy: brightnessctl');
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}
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}
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fetchCapsState() {
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readFileAsync(CAPS)
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.then(out => {
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this._caps = out;
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this.emit('caps', this._caps);
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})
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.catch(logError);
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}
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}
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const brightnessService = new Brightness();
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export default brightnessService;
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