75 lines
2.0 KiB
TypeScript
75 lines
2.0 KiB
TypeScript
// <3 Aylur for this brightness service
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import { bash, dependencies, sh } from 'lib/utils';
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if (!dependencies('brightnessctl')) App.quit();
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const get = (args: string): number => Number(Utils.exec(`brightnessctl ${args}`));
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const screen = await bash`ls -w1 /sys/class/backlight | head -1`;
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const kbd = await bash`ls -w1 /sys/class/leds | grep '::kbd_backlight$' | head -1`;
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class Brightness extends Service {
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static {
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Service.register(
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this,
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{},
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{
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screen: ['float', 'rw'],
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kbd: ['int', 'rw'],
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},
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);
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}
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#kbdMax = get(`--device ${kbd} max`);
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#kbd = get(`--device ${kbd} get`);
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#screenMax = get(`--device ${screen} max`);
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#screen = get(`--device ${screen} get`) / (get(`--device ${screen} max`) || 1);
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get kbd(): number {
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return this.#kbd;
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}
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get screen(): number {
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return this.#screen;
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}
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set kbd(value) {
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if (value < 0 || value > this.#kbdMax) return;
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sh(`brightnessctl -d ${kbd} s ${value} -q`).then(() => {
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this.#kbd = value;
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this.changed('kbd');
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});
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}
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set screen(percent) {
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if (percent < 0) percent = 0;
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if (percent > 1) percent = 1;
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sh(`brightnessctl set ${Math.round(percent * 100)}% -d ${screen} -q`).then(() => {
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this.#screen = percent;
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this.changed('screen');
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});
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}
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constructor() {
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super();
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const screenPath = `/sys/class/backlight/${screen}/brightness`;
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const kbdPath = `/sys/class/leds/${kbd}/brightness`;
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Utils.monitorFile(screenPath, async (f) => {
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const v = await Utils.readFileAsync(f);
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this.#screen = Number(v) / this.#screenMax;
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this.changed('screen');
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});
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Utils.monitorFile(kbdPath, async (f) => {
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const v = await Utils.readFileAsync(f);
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this.#kbd = Number(v) / this.#kbdMax;
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this.changed('kbd');
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});
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}
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}
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export default new Brightness();
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