Quit app by shortcut keys

Signed-off-by: huynguyennovem <huynguyennovem@gmail.com>
huynguyennovem · Oct 8, 2023 · 713852d · 713852d
1 parent 514bd98
commit 713852d
Showing 1 changed file with 104 additions and 36 deletions.
diff --git a/lib/main.dart b/lib/main.dart
@@ -1,5 +1,10 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
 import 'package:go_router/go_router.dart';
+import 'package:netshare/ui/common_view/confirm_dialog.dart';
+import 'package:provider/provider.dart';
+
 import 'package:netshare/config/styles.dart';
 import 'package:netshare/di/di.dart';
 import 'package:netshare/plugin_management/plugins.dart';
@@ -13,34 +18,40 @@ import 'package:netshare/ui/receive/receive_widget.dart';
 import 'package:netshare/ui/send/send_widget.dart';
 import 'package:netshare/ui/server/server_widget.dart';
 import 'package:netshare/util/utility_functions.dart';
-import 'package:provider/provider.dart';
-
 import 'package:netshare/config/constants.dart';
 import 'package:netshare/ui/send/uploading_widget.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   await initPlugins();
   setupDI();
-  runApp(MyApp());
+  runApp(const MyApp());
 }
 
-class MyApp extends StatelessWidget {
+final GlobalKey<NavigatorState> _navigatorKey = GlobalKey<NavigatorState>();
+
+class MyApp extends StatefulWidget {
+  const MyApp({super.key});
+
+  @override
+  State<MyApp> createState() => _MyAppState();
+}
 
-  MyApp({super.key});
+class _MyAppState extends State<MyApp> {
 
   final GoRouter _router = GoRouter(
+    navigatorKey: _navigatorKey,
     errorBuilder: (BuildContext context, GoRouterState state) => ErrorWidget(state.error!),
     routes: <GoRoute>[
       GoRoute(
         path: mRootPath,
-          redirect: (context, state) {
-            if(UtilityFunctions.isMobile) {
-              return '/$mClientPath';
-            } else {
-              return '/$mServerPath';
-            }
-          },
+        redirect: (context, state) {
+          if (UtilityFunctions.isMobile) {
+            return '/$mClientPath';
+          } else {
+            return '/$mServerPath';
+          }
+        },
       ),
       GoRoute(
         name: mNavigationPath,
@@ -56,33 +67,34 @@ class MyApp extends StatelessWidget {
         name: mClientPath,
         path: '/$mClientPath',
         builder: (context, state) => const ClientWidget(),
-          routes: [
-            GoRoute(
-              name: mSendPath,
-              path: mSendPath,
-              builder: (BuildContext context, GoRouterState state) => const SendWidget(),
-              routes: [
-                GoRoute(
-                  name: mUploadingPath,
-                  path: mUploadingPath,
-                  builder: (context, state) => const UploadingWidget(),
-                )
-              ],
-            ),
-            GoRoute(
-              name: mReceivePath,
-              path: mReceivePath,
-              builder: (BuildContext context, GoRouterState state) => const ReceiveWidget(),
-            ),
-            GoRoute(
-              name: mScanningPath,
-              path: mScanningPath,
-              builder: (BuildContext context, GoRouterState state) => const ScanQRWidget(),
-            ),
-          ],
+        routes: [
+          GoRoute(
+            name: mSendPath,
+            path: mSendPath,
+            builder: (BuildContext context, GoRouterState state) => const SendWidget(),
+            routes: [
+              GoRoute(
+                name: mUploadingPath,
+                path: mUploadingPath,
+                builder: (context, state) => const UploadingWidget(),
+              )
+            ],
+          ),
+          GoRoute(
+            name: mReceivePath,
+            path: mReceivePath,
+            builder: (BuildContext context, GoRouterState state) => const ReceiveWidget(),
+          ),
+          GoRoute(
+            name: mScanningPath,
+            path: mScanningPath,
+            builder: (BuildContext context, GoRouterState state) => const ScanQRWidget(),
+          ),
+        ],
       ),
     ],
   );
+  bool _isKeyboardListenerEnabled = true;
 
   @override
   Widget build(BuildContext context) {
@@ -101,7 +113,63 @@ class MyApp extends StatelessWidget {
           colorScheme: ColorScheme.fromSeed(seedColor: seedColor, background: backgroundColor),
         ),
         routerConfig: _router,
+        builder: (context, child) {
+          // Handle keyboard listener here
+          RawKeyboard.instance.addListener((RawKeyEvent value) => _handleKeyEvent(value));
+          return child ?? const SizedBox.shrink();
+        },
       ),
     );
   }
+
+  void _handleKeyEvent(RawKeyEvent value) async {
+    if (!_isKeyboardListenerEnabled)  return;
+
+    // If user pressed Command/Control + W keys, quit the app
+    if (value.isMetaPressed && value.logicalKey == LogicalKeyboardKey.keyW ||
+        value.isControlPressed && value.logicalKey == LogicalKeyboardKey.keyW) {
+
+      if(_navigatorKey.currentContext == null) return;
+
+      // show confirm dialog
+      _showQuitAppConfirmationDialog(_navigatorKey.currentContext!, (confirmCallback) {
+        if (confirmCallback) {
+          SystemNavigator.pop(); // Quit the app
+        }
+        // listen keyboard again
+        _isKeyboardListenerEnabled = true;
+      });
+    }
+  }
+
+  void _showQuitAppConfirmationDialog(BuildContext context, Function(bool)? confirmCallback) {
+    // Disable the keyboard listener.
+    _isKeyboardListenerEnabled = false;
+
+    showDialog(
+      barrierDismissible: false,
+      context: context,
+      builder: (dialogContext) {
+        return ConfirmDialog(
+          dialogWidth: MediaQuery.of(dialogContext).size.width / 2,
+          header: Text(
+            'Quit App',
+            style: Theme.of(dialogContext).textTheme.headlineMedium?.copyWith(
+                  fontSize: 18.0,
+                  fontWeight: FontWeight.bold,
+                ),
+            textAlign: TextAlign.center,
+          ),
+          body: const Text(
+            'Are you sure you want to quit the app?',
+            textAlign: TextAlign.center,
+          ),
+          cancelButtonTitle: 'No',
+          okButtonTitle: 'Yes, I\'m sure',
+          onCancel: () => confirmCallback?.call(false),
+          onConfirm: () => confirmCallback?.call(true),
+        );
+      },
+    );
+  }
 }