From 15a72336f2f38d6175e90d01973515b5573f3ed8 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Sun, 19 Jun 2022 07:21:51 -0700
Subject: Implement change server

---
 modern/src/App.js                    |  4 +++
 modern/src/Navigation.js             |  2 ++
 modern/src/index.js                  |  4 ---
 modern/src/login/LoginPage.js        | 22 ++++++++----
 modern/src/other/ChangeServerPage.js | 66 ++++++++++++++++++++++++++++++++++++
 5 files changed, 88 insertions(+), 10 deletions(-)
 create mode 100644 modern/src/other/ChangeServerPage.js

diff --git a/modern/src/App.js b/modern/src/App.js
index f6197d0a..aac6979e 100644
--- a/modern/src/App.js
+++ b/modern/src/App.js
@@ -5,6 +5,8 @@ import { LinearProgress, useMediaQuery } from '@mui/material';
 import makeStyles from '@mui/styles/makeStyles';
 import theme from './common/theme';
 import BottomMenu from './common/components/BottomMenu';
+import SocketController from './SocketController';
+import CachingController from './CachingController';
 
 const useStyles = makeStyles(() => ({
   page: {
@@ -28,6 +30,8 @@ const App = () => {
   }
   return (
     <>
+      <SocketController />
+      <CachingController />
       <div className={classes.page}>
         <Outlet />
       </div>
diff --git a/modern/src/Navigation.js b/modern/src/Navigation.js
index e7366d2b..d37ca72c 100644
--- a/modern/src/Navigation.js
+++ b/modern/src/Navigation.js
@@ -44,6 +44,7 @@ import PreferencesPage from './settings/PreferencesPage';
 import AccumulatorsPage from './settings/AccumulatorsPage';
 import CommandSendPage from './settings/CommandSendPage';
 import App from './App';
+import ChangeServerPage from './other/ChangeServerPage';
 
 const Navigation = () => {
   const navigate = useNavigate();
@@ -86,6 +87,7 @@ const Navigation = () => {
       <Route path="/login" element={<LoginPage />} />
       <Route path="/register" element={<RegisterPage />} />
       <Route path="/reset-password" element={<ResetPasswordPage />} />
+      <Route path="/change-server" element={<ChangeServerPage />} />
       <Route path="/" element={<App />}>
         <Route index element={<MainPage />} />
 
diff --git a/modern/src/index.js b/modern/src/index.js
index dbcd4c07..6af059cf 100644
--- a/modern/src/index.js
+++ b/modern/src/index.js
@@ -7,8 +7,6 @@ import { CssBaseline, ThemeProvider, StyledEngineProvider } from '@mui/material'
 import store from './store';
 import { LocalizationProvider } from './common/components/LocalizationProvider';
 import ErrorHandler from './common/components/ErrorHandler';
-import CachingController from './CachingController';
-import SocketController from './SocketController';
 import theme from './common/theme';
 import Navigation from './Navigation';
 import preloadImages from './map/core/preloadImages';
@@ -29,8 +27,6 @@ ReactDOM.render(
             <CssBaseline />
             <ServerProvider>
               <BrowserRouter basename={base}>
-                <SocketController />
-                <CachingController />
                 <Navigation />
               </BrowserRouter>
             </ServerProvider>
diff --git a/modern/src/login/LoginPage.js b/modern/src/login/LoginPage.js
index 34d0e7d8..88a25d9d 100644
--- a/modern/src/login/LoginPage.js
+++ b/modern/src/login/LoginPage.js
@@ -5,6 +5,7 @@ import {
 import makeStyles from '@mui/styles/makeStyles';
 import CloseIcon from '@mui/icons-material/Close';
 import CachedIcon from '@mui/icons-material/Cached';
+import LockOpenIcon from '@mui/icons-material/LockOpen';
 import { useTheme } from '@mui/material/styles';
 import { useDispatch, useSelector } from 'react-redux';
 import { useNavigate } from 'react-router-dom';
@@ -16,7 +17,7 @@ import logoSvg from '../resources/images/logo.svg';
 import { nativePostMessage } from '../common/components/NativeInterface';
 
 const useStyles = makeStyles((theme) => ({
-  legacy: {
+  options: {
     position: 'fixed',
     top: theme.spacing(1),
     right: theme.spacing(1),
@@ -93,11 +94,20 @@ const LoginPage = () => {
 
   return (
     <LoginLayout>
-      <Tooltip title="Switch to Legacy App" className={classes.legacy}>
-        <IconButton onClick={() => window.localStorage.setItem('legacyApp', true) || window.location.replace('/')}>
-          <CachedIcon />
-        </IconButton>
-      </Tooltip>
+      <div className={classes.options}>
+        <Tooltip title="Switch to Legacy App">
+          <IconButton onClick={() => window.localStorage.setItem('legacyApp', true) || window.location.replace('/')}>
+            <CachedIcon />
+          </IconButton>
+        </Tooltip>
+        {(window.appInterface || (window.webkit && window.webkit.messageHandlers.appInterface)) && (
+          <Tooltip title={t('settingsServer')}>
+            <IconButton onClick={() => navigate('/change-server')}>
+              <LockOpenIcon />
+            </IconButton>
+          </Tooltip>
+        )}
+      </div>
       <div className={classes.container}>
         {useMediaQuery(theme.breakpoints.down('lg')) && (
           <div className={classes.logoContainer}>
diff --git a/modern/src/other/ChangeServerPage.js b/modern/src/other/ChangeServerPage.js
new file mode 100644
index 00000000..1862ecbd
--- /dev/null
+++ b/modern/src/other/ChangeServerPage.js
@@ -0,0 +1,66 @@
+import React, { useState } from 'react';
+import ElectricalServicesIcon from '@mui/icons-material/ElectricalServices';
+import { makeStyles } from '@mui/styles';
+import { Autocomplete, Button, Container, TextField } from '@mui/material';
+import { useTranslation } from '../common/components/LocalizationProvider';
+
+const currentServer = `${window.location.protocol}//${window.location.host}`;
+
+const officialServers = [
+  currentServer,
+  'https://demo.traccar.org',
+  'https://demo2.traccar.org',
+  'https://demo3.traccar.org',
+  'https://demo4.traccar.org',
+  'https://server.traccar.org',
+  'http://localhost:8082',
+];
+
+const useStyles = makeStyles((theme) => ({
+  icon: {
+    textAlign: 'center',
+    fontSize: '128px',
+    color: theme.palette.colors.neutral,
+  },
+  container: {
+    textAlign: 'center',
+    padding: theme.spacing(5, 3),
+  },
+  field: {
+    margin: theme.spacing(3, 0),
+  },
+}));
+
+const ChangeServerPage = () => {
+  const classes = useStyles();
+  const t = useTranslation();
+
+  const [url, setUrl] = useState(currentServer);
+
+  const handleSubmit = () => {
+    if (window.webkit && window.webkit.messageHandlers.appInterface) {
+      window.webkit.messageHandlers.appInterface.postMessage(`server|${url}`);
+    } else if (window.appInterface) {
+      window.appInterface.postMessage(`server|${url}`);
+    } else {
+      window.location.replace(url);
+    }
+  };
+
+  return (
+    <Container maxWidth="xs" className={classes.container}>
+      <ElectricalServicesIcon className={classes.icon} />
+      <Autocomplete
+        freeSolo
+        className={classes.field}
+        options={officialServers}
+        renderInput={(params) => <TextField {...params} label={t('settingsServer')} />}
+        value={url}
+        onChange={(_, value) => setUrl(value)}
+      />
+      <Button variant="outlined" color="secondary" onClick={handleSubmit}>{t('sharedSave')}</Button>
+    </Container>
+  );
+};
+
+export default ChangeServerPage;
-- 
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