Hide widgets menu when the user is not in testing

The feature is still experimental and I haven't had the chance to fix
the kinks — for now, let's sweep it under the rug.

app/src/main/java/mono/hg/MainActivity.java

@@ -279,7 +279,11 @@ public class MainActivity extends AppCompatActivity
         MenuInflater inflater = getMenuInflater();
         inflater.inflate(R.menu.menu_main, menu);
 
-        if (PreferenceHelper.hasWidget()) {
+        // Only show widget options when the user is in testing mode.
+        if (!PreferenceHelper.isTesting()) {
+            menu.removeItem(R.id.action_remove_widget);
+            menu.removeItem(R.id.action_add_widget);
+        } else if (PreferenceHelper.hasWidget()) {
             // When there is a widget, we don't want 'add widget' menu to be visible.
             menu.removeItem(R.id.action_add_widget);
         } else {

app/src/main/java/mono/hg/helpers/PreferenceHelper.java

@@ -8,7 +8,8 @@ public class PreferenceHelper {
     private static boolean icon_hide, list_order, shade_view,
             keyboard_focus, web_search_enabled, comfy_padding,
             tap_to_drawer, favourites_panel, dismiss_panel,
-            static_favourites_panel, adaptive_shade, has_widget;
+            static_favourites_panel, adaptive_shade, has_widget,
+            is_testing;
     private static String launch_anim;
     private static String app_theme;
     private static String search_provider_set;
@@ -17,6 +18,10 @@ public class PreferenceHelper {
     private static SharedPreferences preferences;
     private static SharedPreferences.Editor editor;
 
+    public static boolean isTesting() {
+        return is_testing;
+    }
+
     public static boolean hasWidget() {
         return has_widget;
     }
@@ -109,6 +114,7 @@ public static void initPreference(Context context) {
     }
 
     public static void fetchPreference() {
+        is_testing = preferences.getBoolean("is_grandma", false);
         has_widget = preferences.getBoolean("has_widget", false);
         launch_anim = preferences.getString("launch_anim", "default");
         icon_hide = preferences.getBoolean("icon_hide_switch", false);