From 3e459865a1fd70aadb16e50f8edd6847e5b6d1ce Mon Sep 17 00:00:00 2001
From: Jing <42014615+jing332@users.noreply.github.com>
Date: Tue, 16 Jan 2024 15:38:46 +0800
Subject: [PATCH] Web back handle

---
 lib/main.dart              | 20 ++++++++++++-
 lib/pages/alist/alist.dart |  5 ++--
 lib/pages/web/web.dart     | 61 ++++++++++++++------------------------
 3 files changed, 44 insertions(+), 42 deletions(-)

diff --git a/lib/main.dart b/lib/main.dart
index cdea469..1be0c59 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,3 +1,5 @@
+import 'dart:developer';
+
 import 'package:alist_flutter/pages/alist/alist.dart';
 import 'package:alist_flutter/pages/app_update_dialog.dart';
 import 'package:alist_flutter/pages/settings/settings.dart';
@@ -93,7 +95,7 @@ class _MyHomePageState extends State<MyHomePage> {
         itemBuilder: (context, index) {
           return [
             const AListScreen(),
-            const WebScreen(),
+            WebScreen(key: webGlobalKey),
             const SettingsScreen()
           ][index];
         },
@@ -110,6 +112,12 @@ class _MyHomePageState extends State<MyHomePage> {
         destinations: AppRouter.destinations,
         selectedIndex: _selectedIndex,
         onDestinationSelected: (int index) {
+          log(index.toString());
+          // Web
+          if (_selectedIndex == 1 && index == 1) {
+            webGlobalKey.currentState?.onClickNavigationBar();
+          }
+
           setState(() {
             _selectedIndex = index;
           });
@@ -121,3 +129,13 @@ class _MyHomePageState extends State<MyHomePage> {
     );
   }
 }
+
+class NavigationBarController extends GetxController {
+  final _selectedIndex = 0.obs;
+
+  int get selectedIndex => _selectedIndex.value;
+
+  void setIndex(int index) {
+    _selectedIndex.value = index;
+  }
+}
diff --git a/lib/pages/alist/alist.dart b/lib/pages/alist/alist.dart
index 69aaabc..b4363e0 100644
--- a/lib/pages/alist/alist.dart
+++ b/lib/pages/alist/alist.dart
@@ -51,9 +51,9 @@ class AListScreen extends StatelessWidget {
                       onTap: () async {
                         AppUpdateDialog.checkUpdateAndShowDialog(context, (b) {
                           if (!b) {
-                            Get.showSnackbar(GetSnackBar(
+                            Get.showSnackbar(const GetSnackBar(
                                 message: "已经是最新版本",
-                                duration: const Duration(seconds: 2)));
+                                duration: Duration(seconds: 2)));
                           }
                         });
                       },
@@ -145,6 +145,7 @@ class AListController extends GetxController {
     Event.setup(MyEventReceiver(
         (isRunning) => isSwitch.value = isRunning, (log) => addLog(log)));
     Android().getAListVersion().then((value) => alistVersion.value = value);
+    Android().isRunning().then((value) => isSwitch.value = value);
 
     super.onInit();
   }
diff --git a/lib/pages/web/web.dart b/lib/pages/web/web.dart
index d0b390e..edd8db4 100644
--- a/lib/pages/web/web.dart
+++ b/lib/pages/web/web.dart
@@ -1,3 +1,5 @@
+import 'dart:developer';
+
 import 'package:alist_flutter/generated_api.dart';
 import 'package:alist_flutter/utils/intent_utils.dart';
 import 'package:android_intent_plus/android_intent.dart';
@@ -6,19 +8,27 @@ import 'package:flutter/services.dart';
 import 'package:flutter_inappwebview/flutter_inappwebview.dart';
 import 'package:get/get.dart';
 
+GlobalKey<WebScreenState> webGlobalKey = GlobalKey();
+
 class WebScreen extends StatefulWidget {
   const WebScreen({Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {
-    return _WebScreenState();
+    return WebScreenState();
   }
 }
 
-class _WebScreenState extends State<WebScreen> {
+class WebScreenState extends State<WebScreen> {
   InAppWebViewController? _webViewController;
   double _progress = 0;
   String _url = "http://localhost:5244";
+  bool _canGoBack = false;
+
+  onClickNavigationBar() {
+    log("onClickNavigationBar");
+    _webViewController?.reload();
+  }
 
   @override
   void initState() {
@@ -31,10 +41,12 @@ class _WebScreenState extends State<WebScreen> {
   @override
   Widget build(BuildContext context) {
     return PopScope(
-        onPopInvoked: (b) {
-          _webViewController?.canGoBack().then((value) => {
-                if (value) {_webViewController?.goBack()} else {Get.back()}
-              });
+        canPop: !_canGoBack,
+        onPopInvoked: (didPop) async {
+          log("onPopInvoked $didPop");
+          if (didPop) return;
+
+          _webViewController?.goBack();
         },
         child: Scaffold(
           body: Column(children: <Widget>[
@@ -51,7 +63,7 @@ class _WebScreenState extends State<WebScreen> {
                   _webViewController = controller;
                 },
                 onLoadStart: (InAppWebViewController controller, Uri? url) {
-                  setState(() {
+                  setState(() async {
                     _progress = 0;
                   });
                 },
@@ -121,41 +133,12 @@ class _WebScreenState extends State<WebScreen> {
                     _progress = progress / 100;
                     if (_progress == 1) _progress = 0;
                   });
+                  controller.canGoBack().then((value) => setState(() {
+                        _canGoBack = value;
+                      }));
                 },
               ),
             ),
-            ButtonBar(
-              alignment: MainAxisAlignment.center,
-              children: <Widget>[
-                ElevatedButton(
-                  child: const Icon(Icons.arrow_back),
-                  onPressed: () {
-                    if (_webViewController != null) {
-                      _webViewController!.goBack();
-                    }
-                  },
-                ),
-                ElevatedButton(
-                  child: const Icon(Icons.arrow_forward),
-                  onPressed: () {
-                    if (_webViewController != null) {
-                      _webViewController!.goForward();
-                    }
-                  },
-                ),
-                ElevatedButton(
-                  child: const Icon(Icons.refresh),
-                  onPressed: () {
-                    if (_webViewController != null) {
-                      _webViewController!.reload();
-                    }
-                    _webViewController!.loadUrl(
-                        urlRequest:
-                            URLRequest(url: WebUri("http://coolapk.com")));
-                  },
-                ),
-              ],
-            ),
           ]),
         ));
   }