Restore back button in experimental layout for apps

src/apps/experimental/components/AppToolbar/index.tsx

@@ -2,6 +2,7 @@ import Stack from '@mui/material/Stack';
 import React, { type FC } from 'react';
 import { useLocation } from 'react-router-dom';
 
+import { appRouter, PUBLIC_PATHS } from 'components/router/appRouter';
 import AppToolbar from 'components/toolbar/AppToolbar';
 import ServerButton from 'components/toolbar/ServerButton';
 
@@ -16,14 +17,6 @@ interface AppToolbarProps {
     onDrawerButtonClick: (event: React.MouseEvent<HTMLElement>) => void
 }
 
-const PUBLIC_PATHS = [
-    '/addserver',
-    '/selectserver',
-    '/login',
-    '/forgotpassword',
-    '/forgotpasswordpin'
-];
-
 const ExperimentalAppToolbar: FC<AppToolbarProps> = ({
     isDrawerAvailable,
     isDrawerOpen,
@@ -34,6 +27,10 @@ const ExperimentalAppToolbar: FC<AppToolbarProps> = ({
     // The video osd does not show the standard toolbar
     if (location.pathname === '/video') return null;
 
+    // Only show the back button in apps when appropriate
+    const isBackButtonAvailable = window.NativeShell && appRouter.canGoBack(location.pathname);
+
+    // Check if the current path is a public path to hide user content
     const isPublicPath = PUBLIC_PATHS.includes(location.pathname);
 
     return (
@@ -48,6 +45,7 @@ const ExperimentalAppToolbar: FC<AppToolbarProps> = ({
             isDrawerAvailable={isDrawerAvailable}
             isDrawerOpen={isDrawerOpen}
             onDrawerButtonClick={onDrawerButtonClick}
+            isBackButtonAvailable={isBackButtonAvailable}
             isUserMenuAvailable={!isPublicPath}
         >
             {!isDrawerAvailable && (

src/components/router/appRouter.js

@@ -16,7 +16,7 @@ import { history } from 'RootAppRouter';
 const START_PAGE_PATHS = ['/home', '/login', '/selectserver'];
 
 /** Pages that do not require a user to be logged in to view. */
-const PUBLIC_PATHS = [
+export const PUBLIC_PATHS = [
     '/addserver',
     '/selectserver',
     '/login',
@@ -121,9 +121,7 @@ class AppRouter {
         return this.baseRoute;
     }
 
-    canGoBack() {
-        const path = history.location.pathname;
-
+    canGoBack(path = history.location.pathname) {
         if (
             !document.querySelector('.dialogContainer')
             && START_PAGE_PATHS.includes(path)