135 lines
3.3 KiB
JavaScript
135 lines
3.3 KiB
JavaScript
import Service from 'resource:///com/github/Aylur/ags/service.js';
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import Variable from 'resource:///com/github/Aylur/ags/variable.js';
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import { exec, execAsync } from 'resource:///com/github/Aylur/ags/utils.js';
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const KBD = 'tpacpi::kbd_backlight';
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const CAPS = 'input0::capslock';
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const INTERVAL = 500;
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const SCREEN_ICONS = {
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90: 'display-brightness-high-symbolic',
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70: 'display-brightness-medium-symbolic',
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20: 'display-brightness-low-symbolic',
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5: 'display-brightness-off-symbolic',
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};
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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: ['float'],
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caps: ['int'],
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}, {
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'screen-icon': ['string', 'rw'],
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'caps-icon': ['string', 'rw'],
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});
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}
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#kbd = 0;
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#screen = 0;
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#screenIcon = 'display-brightness-symbolic';
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#caps = 0;
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#capsIcon = 'caps-lock-symbolic';
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get kbd() {
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return this.#kbd;
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}
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get screen() {
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return this.#screen;
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}
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get screenIcon() {
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return this.#screenIcon;
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}
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get caps() {
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return this.#caps;
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}
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get capsIcon() {
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return this.#capsIcon;
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}
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set kbd(value) {
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this.#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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}
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if (percent > 1) {
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percent = 1;
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}
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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.#getScreenIcon();
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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.#monitorKbdState();
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this.#caps = Number(exec(`brightnessctl -d ${CAPS} g`));
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this.#screen = Number(exec('brightnessctl g')) /
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Number(exec('brightnessctl m'));
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}
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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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#getScreenIcon() {
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const brightness = this.#screen * 100;
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// eslint-disable-next-line
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for (const threshold of [4, 19, 69, 89]) {
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if (brightness > threshold + 1) {
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this.#screenIcon = SCREEN_ICONS[threshold + 1];
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this.notify('screen-icon');
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}
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}
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}
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fetchCapsState() {
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execAsync(`brightnessctl -d ${CAPS} g`)
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.then((out) => {
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this.#caps = Number(out);
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this.#capsIcon = this.#caps ?
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'caps-lock-symbolic' :
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'capslock-disabled-symbolic';
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this.notify('caps-icon');
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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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#monitorKbdState() {
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Variable(0, {
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poll: [
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INTERVAL,
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`brightnessctl -d ${KBD} g`,
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(out) => {
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if (parseInt(out) !== this.#kbd) {
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this.#kbd = parseInt(out);
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this.emit('kbd', this.#kbd);
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return this.#kbd;
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}
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},
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],
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});
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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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