drained: change enable/disable BLE depending on state

apps/drained/ChangeLog

@@ -3,3 +3,4 @@
 0.03: Permit exceptions to load in low-power mode, e.g. daylight saving time.
       Also avoid polluting global scope.
 0.04: Enhance menu: enable bluetooth, visit settings & visit recovery
+0.05: Enhance menu: permit toggling bluetooth

apps/drained/app.js

@@ -53,6 +53,21 @@ var draw = function () {
     }, 60000 - (date.getTime() % 60000));
 };
 var reload = function () {
+    var showMenu = function () {
+        var menu = {
+            "Restore to full power": drainedRestore,
+        };
+        if (NRF.getSecurityStatus().advertising)
+            menu["Disable BLE"] = function () { NRF.sleep(); showMenu(); };
+        else
+            menu["Enable BLE"] = function () { NRF.wake(); showMenu(); };
+        menu["Settings"] = function () { return load("setting.app.js"); };
+        menu["Recovery"] = function () { return Bangle.showRecoveryMenu(); };
+        menu["Exit menu"] = reload;
+        if (nextDraw)
+            clearTimeout(nextDraw);
+        E.showMenu(menu);
+    };
     Bangle.setUI({
         mode: "custom",
         remove: function () {
@@ -60,15 +75,7 @@ var reload = function () {
                 clearTimeout(nextDraw);
             nextDraw = undefined;
         },
-        btn: function () {
+        btn: showMenu
-            var menu = {
-                "Restore to full power": drainedRestore,
-                "Enable BLE": function () { return NRF.wake(); },
-                "Settings": function () { return load("setting.app.js"); },
-                "Recovery": function () { return Bangle.showRecoveryMenu(); },
-            };
-            E.showMenu(menu);
-        }
     });
     Bangle.CLOCK = 1;
     g.clear();

apps/drained/app.ts

@@ -72,21 +72,31 @@ const draw = () => {
 };
 
 const reload = () => {
+  const showMenu = () => {
+    const menu: { [k: string]: () => void } = {
+      "Restore to full power": drainedRestore,
+    };
+
+    if (NRF.getSecurityStatus().advertising)
+      menu["Disable BLE"] = () => { NRF.sleep(); showMenu(); };
+    else
+      menu["Enable BLE"] = () => { NRF.wake(); showMenu(); };
+
+    menu["Settings"] = () => load("setting.app.js");
+    menu["Recovery"] = () => Bangle.showRecoveryMenu();
+    menu["Exit menu"] = reload;
+
+    if(nextDraw) clearTimeout(nextDraw);
+    E.showMenu(menu);
+  };
+
   Bangle.setUI({
     mode: "custom",
     remove: () => {
       if (nextDraw) clearTimeout(nextDraw);
       nextDraw = undefined;
     },
-    btn: () => {
+    btn: showMenu
-      const menu = {
-          "Restore to full power": drainedRestore,
-          "Enable BLE": () => NRF.wake(),
-          "Settings": () => load("setting.app.js"),
-          "Recovery": () => Bangle.showRecoveryMenu(),
-      };
-      E.showMenu(menu);
-    }
   });
   Bangle.CLOCK=1;
 

apps/drained/metadata.json

@@ -1,7 +1,7 @@
 {
   "id": "drained",
   "name": "Drained",
-  "version": "0.04",
+  "version": "0.05",
   "description": "Switches to displaying a simple clock when the battery percentage is low, and disables some peripherals",
   "readme": "README.md",
   "icon": "icon.png",