refactor: make the whole thing more generic

modules/home-manager/desktops/hyprland/ags/js/services/brightness.js

@@ -0,0 +1,77 @@
+import * as Utils from "resource:///com/github/Aylur/ags/utils.js";
+import Service from "resource:///com/github/Aylur/ags/service.js";
+import options from "../options.js";
+import { dependencies } from "../utils.js";
+
+const KBD = options.brightnessctlKBD;
+
+class Brightness extends Service {
+  static {
+    Service.register(
+      this,
+      {},
+      {
+        screen: ["float", "rw"],
+        kbd: ["int", "rw"],
+      },
+    );
+  }
+
+  #kbd = 0;
+  #kbdMax = 3;
+  #screen = 0;
+
+  get kbd() {
+    return this.#kbd;
+  }
+  get screen() {
+    return this.#screen;
+  }
+
+  set kbd(value) {
+    if (!dependencies(["brightnessctl"])) return;
+
+    if (value < 0 || value > this.#kbdMax) return;
+
+    Utils.execAsync(`brightnessctl -d ${KBD} s ${value} -q`)
+      .then(() => {
+        this.#kbd = value;
+        this.changed("kbd");
+      })
+      .catch(console.error);
+  }
+
+  set screen(percent) {
+    if (!dependencies(["gbmonctl"])) return;
+
+    if (percent < 0) percent = 0;
+
+    if (percent > 1) percent = 1;
+
+    Utils.execAsync(
+      `gbmonctl --prop brightness -val ${Math.min(
+        Math.max(Math.floor(percent * 100), 0),
+        100,
+      )}`,
+    )
+      .then(() => {
+        this.#screen = percent;
+        this.changed("screen");
+      })
+      .catch(console.error);
+  }
+
+  constructor() {
+    super();
+
+    if (dependencies(["brightnessctl"])) {
+      this.#kbd = Number(Utils.exec(`brightnessctl -d ${KBD} g`));
+      this.#kbdMax = Number(Utils.exec(`brightnessctl -d ${KBD} m`));
+      this.#screen =
+        Number(Utils.exec("brightnessctl g")) /
+        Number(Utils.exec("brightnessctl m"));
+    }
+  }
+}
+
+export default new Brightness();