Changed gksu to pkexec root prompt dialog

README.md

@@ -7,6 +7,6 @@ Shutdown your device after a specific time. This extension adds a submenu to the
 There is a settings menu where you can change the following:
 * Maximum timer value
 * Slider position
-* Root mode: Uses "gksu shutdown" command instead of default GNOME shutdown dialog. If monitor turns off while shutdown timer is running, then default timer in rootless mode gets interrupted.
-  With root mode activated this can not happen, but you have to enter the root password. Make sure "gksu" is installed.
+* Root mode: Uses "pkexec shutdown" command instead of default GNOME shutdown dialog. If monitor turns off while shutdown timer is running, then default timer in rootless mode gets interrupted.
+  With root mode activated this can not happen, but you have to enter the root password.
 

ShutdownTimer@neumann/locale/de/LC_MESSAGES/ShutdownTimer.po

@@ -49,6 +49,6 @@ msgid "Slider position (in % from 0 to 100)"
 msgstr "Schieberegler Position (in % von 0 bis 100)"
 
 #: prefs.js:70
-msgid "Root mode (uses 'gksu' and 'shutdown' command,\nno interruption of timer, but needs root password)"
-msgstr "Root Modus (verwendet den 'gksu' und 'shutdown' Befehl,\nkeine Unterbrechung der Ausschaltuhr möglich, aber benötigt das Root-Passwort)"
+msgid "Root mode (uses 'pkexec shutdown' command,\nno interruption of timer, but needs root password)"
+msgstr "Root Modus (verwendet den 'pkexec shutdown' Befehl,\nkeine Unterbrechung der Ausschaltuhr möglich, aber benötigt das Root-Passwort)"
 

ShutdownTimer@neumann/prefs.js

@@ -67,7 +67,7 @@ const ShutdownTimerPrefsWidget = new GObject.Class({
 
         this.add(new Gtk.Label({ label: '', halign: Gtk.Align.START }));
 
-	    this.add(new Gtk.Label({ label: '<b>' + _("Root mode (uses 'gksu' and 'shutdown' command,\nno interruption of timer, but needs root password)") + '</b>',
+	    this.add(new Gtk.Label({ label: '<b>' + _("Root mode (uses 'pkexec shutdown' command,\nno interruption of timer, but needs root password)") + '</b>',
                          use_markup: true,
                          halign: Gtk.Align.START }));
         let rootMode = settings.get_boolean('root-mode-value');

ShutdownTimer@neumann/schemas/org.gnome.shell.extensions.shutdowntimer-neumann.gschema.xml

@@ -17,7 +17,7 @@
     <key type="b" name="root-mode-value">
       <default>false</default>
       <summary>Root mode</summary>
-      <description>Set root mode on/off. In root mode powering off is done via 'gksu' and 'shutdown' commandline command.</description>
+      <description>Set root mode on/off. In root mode powering off is done via 'pkexec' and 'shutdown' terminal command.</description>
     </key>
 
   </schema>

ShutdownTimer@neumann/timer.js

@@ -43,7 +43,9 @@ const Timer = new Lang.Class({
 			    this._timerId = Mainloop.timeout_add_seconds(1, Lang.bind(this, this._timerCallback));
 			    this._menuLabel.text = this._timerValue.toString() + ' ' + _("min till shutdown");
 			} else {
-			    Util.spawnCommandLine('gksu "shutdown -h ' + this._timerValue+ '"');
+			    let pkexec_path = GLib.find_program_in_path('pkexec');
+			    let shutdown_path = GLib.find_program_in_path('shutdown');
+                Util.spawnCommandLine(pkexec_path + " " + shutdown_path + " -h " + this._timerValue);
 			}
 		}
 	},