83 lines
2.2 KiB
TypeScript
83 lines
2.2 KiB
TypeScript
import GObject, { register, property } from "astal/gobject"
|
|
import { monitorFile, readFileAsync } from "astal/file"
|
|
import { exec, execAsync } from "astal/process"
|
|
|
|
const get = (args: string) => Number(exec(`brightnessctl ${args}`))
|
|
const screen = exec(`bash -c "ls -w1 /sys/class/backlight | head -1"`)
|
|
const kbd = exec(`bash -c "ls -w1 /sys/class/leds | head -1"`)
|
|
|
|
@register({ GTypeName: "Brightness" })
|
|
export default class Brightness extends GObject.Object {
|
|
static instance: Brightness
|
|
static get_default() {
|
|
if (!this.instance)
|
|
this.instance = new Brightness()
|
|
|
|
return this.instance
|
|
}
|
|
|
|
#kbdMax = get(`--device ${kbd} max`)
|
|
#kbd = get(`--device ${kbd} get`)
|
|
#screenMax = get("max")
|
|
#screen = get("get") / (get("max") || 1)
|
|
#screenAvailable = true
|
|
|
|
@property(Boolean)
|
|
get screenAvailable() { return this.#screenAvailable }
|
|
|
|
@property(Number)
|
|
get kbd() { return this.#kbd }
|
|
|
|
set kbd(value) {
|
|
if (value < 0 || value > this.#kbdMax)
|
|
return
|
|
|
|
execAsync(`brightnessctl -d ${kbd} s ${value} -q`).then(() => {
|
|
this.#kbd = value
|
|
this.notify("kbd")
|
|
})
|
|
}
|
|
|
|
@property(Number)
|
|
get screen() { return this.#screen }
|
|
|
|
set screen(percent) {
|
|
if (percent < 0)
|
|
percent = 0
|
|
|
|
if (percent > 1)
|
|
percent = 1
|
|
|
|
execAsync(`brightnessctl set ${Math.floor(percent * 100)}% -q`).then(() => {
|
|
this.#screen = percent
|
|
this.notify("screen")
|
|
})
|
|
}
|
|
|
|
constructor() {
|
|
super()
|
|
|
|
const screenPath = `/sys/class/backlight/${screen}/brightness`
|
|
const kbdPath = `/sys/class/leds/${kbd}/brightness`
|
|
|
|
monitorFile(screenPath, async f => {
|
|
const v = await readFileAsync(f)
|
|
this.#screen = Number(v) / this.#screenMax
|
|
this.notify("screen")
|
|
})
|
|
|
|
monitorFile(kbdPath, async f => {
|
|
const v = await readFileAsync(f)
|
|
this.#kbd = Number(v) / this.#kbdMax
|
|
this.notify("kbd")
|
|
})
|
|
|
|
// Check if there is a screen available
|
|
try {
|
|
get( 'g -c backlight' );
|
|
} catch ( _ ) {
|
|
this.#screenAvailable = false;
|
|
}
|
|
}
|
|
}
|