Bug #1896297: Battery docklet hard coded to a battery that may not be…

docklets/Battery/BatteryDockItem.vala

@@ -38,20 +38,27 @@ namespace Docky
 		 */
 		public BatteryDockItem.with_dockitem_file (GLib.File file)
 		{
-			GLib.Object (Prefs: new DockItemPreferences.with_file (file));
+			GLib.Object (Prefs: new BatteryPreferences.with_file (file));
 		}
 
 		construct
 		{
 			Icon = "battery-missing";
 			Text = _("No battery");
-			update ();
+
+			unowned BatteryPreferences prefs = (BatteryPreferences) Prefs;
+			prefs.notify["BatteryName"].connect(handle_prefs_changed);
+
+			handle_prefs_changed();
 
 			timer_id = Gdk.threads_add_timeout (60 * 1000, (SourceFunc) update);
 		}
 
 		~BatteryDockItem ()
 		{
+			unowned BatteryPreferences prefs = (BatteryPreferences) Prefs;
+			prefs.notify["BatteryName"].disconnect(handle_prefs_changed);
+
 			if (timer_id > 0U) {
 				GLib.Source.remove (timer_id);
 			}
@@ -120,13 +127,20 @@ namespace Docky
 				}
 
 				Icon = new_icon;
-				Text = "%i%%".printf (capacity);
+				Text = "%s - %i%%".printf (current_battery, capacity);
 			} catch {
 				Icon = "battery-missing";
 				Text = _("No battery");
 			}
 
 			return true;
 		}
+
+		void handle_prefs_changed ()
+		{
+			unowned BatteryPreferences prefs = (BatteryPreferences) Prefs;
+			current_battery = (prefs.BatteryName);
+			update();
+		}
 	}
 }

docklets/Battery/BatteryPreferences.vala

@@ -0,0 +1,39 @@
+//
+//  Copyright (C) 2011 Robert Dyer
+//
+//  This file is part of Plank.
+//
+//  Plank is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  Plank is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+using Plank;
+
+namespace Docky
+{
+    public class BatteryPreferences : DockItemPreferences
+    {
+        [Description(nick = "battery-name", blurb = "The name of the battery unit under /sys/class/powe_supply (default=BAT0)")]
+        public string BatteryName {get;set;}
+
+        public BatteryPreferences.with_file (GLib.File file)
+        {
+            base.with_file (file);
+        }
+
+        protected override void reset_properties ()
+        {
+            BatteryName = "BAT0";
+        }
+    }
+}

docklets/Battery/Makefile.am

@@ -12,6 +12,7 @@ libdocklet_battery_ladir = $(pkglibdir)/docklets
 libdocklet_battery_la_VALASOURCES = \
 	BatteryDockItem.vala \
 	BatteryDocklet.vala \
+	BatteryPreferences.vala \
 	$(NULL)
 
 nodist_libdocklet_battery_la_SOURCES = \