🪲 Fix issue #278

extension.js

@@ -89,10 +89,14 @@ class Extension {
                                         '/org/freedesktop/UPower');
 
     // This is used to get the current power profile.
-    const PowerProfilesProxy = Gio.DBusProxy.makeProxyWrapper(
-      utils.getStringResource('/interfaces/net.hadess.PowerProfiles.xml'));
-    this._powerProfilesProxy = new PowerProfilesProxy(
-      Gio.DBus.system, 'net.hadess.PowerProfiles', '/net/hadess/PowerProfiles');
+    try {
+      const PowerProfilesProxy = Gio.DBusProxy.makeProxyWrapper(
+        utils.getStringResource('/interfaces/net.hadess.PowerProfiles.xml'));
+      this._powerProfilesProxy = new PowerProfilesProxy(
+        Gio.DBus.system, 'net.hadess.PowerProfiles', '/net/hadess/PowerProfiles');
+    } catch (e) {
+      // Maybe the service is masked...
+    }
 
     // We will monkey-patch these methods. Let's store the original ones.
     this._origAddWindowClone        = Workspace.prototype._addWindowClone;
@@ -391,7 +395,7 @@ class Extension {
     let disableOnBattery =
       this._settings.get_boolean('disable-on-battery') && this._upowerProxy.OnBattery;
     let disableOnPowerSave = this._settings.get_boolean('disable-on-power-save') &&
-      this._powerProfilesProxy.ActiveProfile == 'power-saver';
+      this._powerProfilesProxy && this._powerProfilesProxy.ActiveProfile == 'power-saver';
 
     if ((disableOnBattery || disableOnPowerSave) && previewNick == '') {
       this._fixAnimationTimes(isDialogWindow, forOpening, null);

prefs.js

@@ -108,15 +108,20 @@ var PreferencesDialog = class PreferencesDialog {
 
     // Check whether the power profiles daemon is available - if not, we hide the
     // corresponding settings row.
-    const PowerProfilesProxy = Gio.DBusProxy.makeProxyWrapper(
-      utils.getStringResource('/interfaces/net.hadess.PowerProfiles.xml'));
-    let powerProfilesProxy = new PowerProfilesProxy(
-      Gio.DBus.system, 'net.hadess.PowerProfiles', '/net/hadess/PowerProfiles');
+    let hasPowerProfiles = false;
+    try {
+      const PowerProfilesProxy = Gio.DBusProxy.makeProxyWrapper(
+        utils.getStringResource('/interfaces/net.hadess.PowerProfiles.xml'));
+      let powerProfilesProxy = new PowerProfilesProxy(
+        Gio.DBus.system, 'net.hadess.PowerProfiles', '/net/hadess/PowerProfiles');
 
-    if (powerProfilesProxy.get_name_owner() == null) {
-      this._builder.get_object('disable-on-power-save-row').set_visible(false);
+      hasPowerProfiles = powerProfilesProxy.get_name_owner() != null;
+    } catch (e) {
+      // Maybe the service is masked...
     }
 
+    this._builder.get_object('disable-on-power-save-row').set_visible(hasPowerProfiles);
+
     // Starting with GNOME Shell 42, the settings dialog uses libadwaita (at least most of
     // the time - it seems that pop!_OS does not support libadwaita even on GNOME 42). We
     // have to use a different layout, as the stack sidebar looks pretty ugly with the