updates

.config/ags/services/wallpaper.js

@@ -0,0 +1,70 @@
+const { Gdk, GLib } = imports.gi;
+import Service from 'resource:///com/github/Aylur/ags/service.js';
+import * as Utils from 'resource:///com/github/Aylur/ags/utils.js';
+
+const WALLPAPER_CONFIG_PATH = `${GLib.get_user_cache_dir()}/ags/user/wallpaper.json`;
+
+class WallpaperService extends Service {
+    static {
+        Service.register(
+            this,
+            { 'updated': [], },
+        );
+    }
+
+    _wallPath = '';
+    _wallJson = [];
+    _monitorCount = 1;
+
+    _save() {
+        Utils.writeFile(JSON.stringify(this._wallJson), this._wallPath)
+            .catch(print);
+    }
+
+    add(path) {
+        this._wallJson.push(path);
+        this._save();
+        this.emit('updated');
+    }
+
+    set(path, monitor = -1) {
+        this._monitorCount = Gdk.Display.get_default()?.get_n_monitors() || 1;
+        if (this._wallJson.length < this._monitorCount) this._wallJson[this._monitorCount - 1] = "";
+        if (monitor == -1)
+            this._wallJson.fill(path);
+        else
+            this._wallJson[monitor] = path;
+
+        this._save();
+        this.emit('updated');
+    }
+
+    get(monitor = 0) {
+        return this._wallJson[monitor];
+    }
+
+    constructor() {
+        super();
+        // How many screens?
+        this._monitorCount = Gdk.Display.get_default()?.get_n_monitors() || 1;
+        // Read config
+        this._wallPath = WALLPAPER_CONFIG_PATH;
+        try {
+            const fileContents = Utils.readFile(this._wallPath);
+            this._wallJson = JSON.parse(fileContents);
+        }
+        catch {
+            Utils.exec(`bash -c 'mkdir -p ${GLib.get_user_cache_dir()}/ags/user'`);
+            Utils.exec(`touch ${this._wallPath}`);
+            Utils.writeFile('[]', this._wallPath).then(() => {
+                this._wallJson = JSON.parse(Utils.readFile(this._wallPath))
+            }).catch(print);
+        }
+    }
+}
+
+// instance
+const service = new WallpaperService();
+// make it global for easy use with cli
+globalThis['wallpaper'] = service;
+export default service;