commit f3b6ea4b35e1531d4f5f4f7b15fa41c8fb8fe9a6
Author: Trent Palmer <trenttdually@gmail.com>
Date:   Sun Jun 24 12:43:49 2018 -0700

    add applet.js metadata.json settings-schema.json

diff --git a/applet.js b/applet.js
new file mode 100644
index 0000000..12160cf
--- /dev/null
+++ b/applet.js
@@ -0,0 +1,134 @@
+const Applet = imports.ui.applet; // ++
+const Settings = imports.ui.settings; // ++ Needed if you use Settings Screen
+const PopupMenu = imports.ui.popupMenu; // ++ Needed for menus
+const Lang = imports.lang;
+const GLib = imports.gi.GLib;
+const Mainloop = imports.mainloop; // Needed for timer update loop
+const Util = imports.misc.util;
+const Gettext = imports.gettext;
+var UUID;
+
+// ++ Always needed
+function MyApplet(metadata, orientation, panelHeight, instance_id) {
+    this._init(metadata, orientation, panelHeight, instance_id);
+}
+
+MyApplet.prototype = {
+    __proto__: Applet.TextIconApplet.prototype,
+
+    _init: function(metadata, orientation,panelHeight,instance_id) {
+        Applet.TextIconApplet.prototype._init.call(this,orientation,panelHeight,instance_id);
+
+
+        try {
+            this.settings = new Settings.AppletSettings(this, metadata.uuid, instance_id); // ++ Picks up UUID from metadata for Settings
+            this.appletPath = metadata.path;
+            UUID = metadata.uuid;
+
+            this.applet_running = true; //** New to allow applet to be fully stopped when removed from panel
+            this._main_refresh_loop();   // This starts the MainLoop timer loop
+        }
+        catch (e) {
+            global.logError(e);
+        }
+    },
+
+    _has_two_batteries: function() {
+        let [result, stdout, stderr] = GLib.spawn_command_line_sync('/bin/sh -c "upower -e | grep battery | wc -l"'); 
+        if (stdout != null) {
+            if (stdout == 2) {
+                return true
+            }
+        }
+        return false
+    },
+
+    _battery_icon_to_display: function(battery) {
+        if (battery == "bat0") {
+            let [result, stdout, stderr] = GLib.spawn_command_line_sync('/bin/sh -c "upower -i /org/freedesktop/UPower/devices/battery_BAT0 | awk \'/icon-name/ {print $2}\'"'); 
+            return stdout.toString().slice(1,-2)
+        } else if (battery == "bat1") {
+            let [result, stdout, stderr] = GLib.spawn_command_line_sync('/bin/sh -c "upower -i /org/freedesktop/UPower/devices/battery_BAT1 | awk \'/icon-name/ {print $2}\'"'); 
+            return stdout.toString().slice(1,-2)
+        }
+    },
+
+    _get_battery_capacity: function(battery) {
+        if (battery == "bat0") {
+            let [result, stdout, stderr] = GLib.spawn_command_line_sync('/bin/sh -c "upower -i /org/freedesktop/UPower/devices/battery_BAT0 | awk \'/energy-full:/ {print $2}\'"'); 
+            return stdout.toString().slice(0,-1).replace(/.\d*$/i,'')
+        } else if (battery == "bat1") {
+            let [result, stdout, stderr] = GLib.spawn_command_line_sync('/bin/sh -c "upower -i /org/freedesktop/UPower/devices/battery_BAT1 | awk \'/energy-full:/ {print $2}\'"'); 
+            return stdout.toString().slice(0,-1).replace(/.\d*$/i,'')
+        }
+    },
+
+    _get_time_to_empty: function(battery) {
+        if (battery == "bat0") {
+            let [result, stdout, stderr] = GLib.spawn_command_line_sync('/bin/sh -c "upower -i /org/freedesktop/UPower/devices/battery_BAT0 | awk \'/time\ to\ empty/ {print $4}\'"'); 
+            return stdout.toString().slice(0,-1)
+        } else if (battery == "bat1") {
+            let [result, stdout, stderr] = GLib.spawn_command_line_sync('/bin/sh -c "upower -i /org/freedesktop/UPower/devices/battery_BAT1 | awk \'/time\ to\ empty/ {print $4}\'"'); 
+            return stdout.toString().slice(0,-1)
+        }
+    },
+
+    _get_battery_charge_percent: function(battery) {
+        if (battery == "bat0") {
+            let [result, stdout, stderr] = GLib.spawn_command_line_sync('/bin/sh -c "upower -i /org/freedesktop/UPower/devices/battery_BAT0 | awk \'/percentage/ {gsub(\\\"%\\\",\\\"\\\");print $2}\'"');
+            return stdout.toString().slice(0,-1)
+        } else if (battery == "bat1") {
+            let [result, stdout, stderr] = GLib.spawn_command_line_sync('/bin/sh -c "upower -i /org/freedesktop/UPower/devices/battery_BAT1 | awk \'/percentage/ {gsub(\\\"%\\\",\\\"\\\");print $2}\'"');
+            return stdout.toString().slice(0,-1)
+        }
+    },
+
+    _update_applet: function() {
+        if (this._has_two_batteries() === true) {
+            
+            this._battery0_charge_percent = this._get_battery_charge_percent("bat0")
+            this._battery1_charge_percent = this._get_battery_charge_percent("bat1")
+            this._battery0_time_to_empty = this._get_time_to_empty("bat0")
+            this._battery1_time_to_empty = this._get_time_to_empty("bat1")
+            this._battery0_capacity = this._get_battery_capacity("bat0")
+            this._battery1_capacity = this._get_battery_capacity("bat1")
+        
+            this._icon_string = "BAT0 - " + this._battery0_charge_percent + "%" + this._battery0_capacity + "Wh - ETR" + this._battery0_time_to_empty + ", BAT1 - " + this._battery1_charge_percent + "%" + this._battery1_capacity + "Wh - ETR" + this._battery1_time_to_empty
+            this.set_applet_label(this._icon_string)
+
+            if (parseInt(this._battery0_charge_percent) >= parseInt(this._battery1_charge_percent)) {
+                this.set_applet_icon_symbolic_name(this._battery_icon_to_display("bat1"));
+            } else {
+                this.set_applet_icon_symbolic_name(this._battery_icon_to_display("bat0"));
+            }
+
+        } else {
+            this._battery0_charge_percent = this._get_battery_charge_percent("bat0")
+            this._battery0_time_to_empty = this._get_time_to_empty("bat0")
+            this._battery0_capacity = this._get_battery_capacity("bat0")
+            
+            this._icon_string = "BAT0 - " + this._battery0_charge_percent + "%" + this._battery0_capacity + "Wh - ETR" + this._battery0_time_to_empty + ", BAT1: MISSING?"
+            this.set_applet_label(this._icon_string)
+            this.set_applet_icon_symbolic_name("battery-full-symbolic");
+        }
+    },
+
+    _main_refresh_loop: function() {
+        this._update_applet();
+        // global.log("Hello")
+        if (this.applet_running == true) {
+                Mainloop.timeout_add_seconds(10, Lang.bind(this, this._main_refresh_loop));
+            }
+    },
+
+    on_applet_removed_from_panel: function() {
+        // inhibit the update timer when applet removed from panel
+        this.applet_running = false;
+        this.settings.finalize();
+    }
+};
+
+
+function main(metadata, orientation, panelHeight, instance_id) {
+  return new MyApplet(metadata, orientation, panelHeight, instance_id);
+}
diff --git a/metadata.json b/metadata.json
new file mode 100644
index 0000000..6ef1d1f
--- /dev/null
+++ b/metadata.json
@@ -0,0 +1,6 @@
+{
+  "uuid": "dualbatteries@trent",
+  "name": "Dual Batteries",
+  "icon": "cs-power",
+  "description": "Display Charge Info for Dual Batteries"
+}
diff --git a/settings-schema.json b/settings-schema.json
new file mode 100644
index 0000000..9e9d2e6
--- /dev/null
+++ b/settings-schema.json
@@ -0,0 +1,13 @@
+{
+    "labelinfo": {
+        "type": "combobox",
+        "description": "Display",
+        "default": "nothing",
+        "options" : {
+            "Show percentage": "percentage",
+            "Show time remaining": "time",
+            "Show percentage and time remaining": "percentage_time",
+            "Hide label": "nothing"
+        }
+    }
+}