show reconnect timeout and dismiss all dialog when show reconnecting

Signed-off-by: 21pages <pages21@163.com>

flutter/lib/common.dart

@@ -958,7 +958,7 @@ class CustomAlertDialog extends StatelessWidget {
 
 void msgBox(SessionID sessionId, String type, String title, String text,
     String link, OverlayDialogManager dialogManager,
-    {bool? hasCancel, ReconnectHandle? reconnect}) {
+    {bool? hasCancel, ReconnectHandle? reconnect, int? reconnectTimeout}) {
   dialogManager.dismissAll();
   List<Widget> buttons = [];
   bool hasOk = false;
@@ -998,22 +998,21 @@ void msgBox(SessionID sessionId, String type, String title, String text,
           dialogManager.dismissAll();
         }));
   }
-  if (reconnect != null && title == "Connection Error") {
+  if (reconnect != null &&
+      title == "Connection Error" &&
+      reconnectTimeout != null) {
     // `enabled` is used to disable the dialog button once the button is clicked.
     final enabled = true.obs;
-    final button = Obx(
-      () => dialogButton(
-        'Reconnect',
-        isOutline: true,
-        onPressed: enabled.isTrue
-            ? () {
-                // Disable the button
-                enabled.value = false;
-                reconnect(dialogManager, sessionId, false);
-              }
-            : null,
-      ),
-    );
+    final button = Obx(() => _ReconnectCountDownButton(
+          second: reconnectTimeout,
+          onPressed: enabled.isTrue
+              ? () {
+                  // Disable the button
+                  enabled.value = false;
+                  reconnect(dialogManager, sessionId, false);
+                }
+              : null,
+        ));
     buttons.insert(0, button);
   }
   if (link.isNotEmpty) {
@@ -2745,3 +2744,56 @@ parseParamScreenRect(Map<String, dynamic> params) {
   }
   return screenRect;
 }
+
+class _ReconnectCountDownButton extends StatefulWidget {
+  _ReconnectCountDownButton({
+    Key? key,
+    required this.second,
+    required this.onPressed,
+  }) : super(key: key);
+  final VoidCallback? onPressed;
+  final int second;
+
+  @override
+  State<_ReconnectCountDownButton> createState() =>
+      _ReconnectCountDownButtonState();
+}
+
+class _ReconnectCountDownButtonState extends State<_ReconnectCountDownButton> {
+  late int _countdownSeconds = widget.second;
+
+  Timer? _timer;
+
+  @override
+  void initState() {
+    super.initState();
+    _startCountdownTimer();
+  }
+
+  @override
+  void dispose() {
+    _timer?.cancel();
+    super.dispose();
+  }
+
+  void _startCountdownTimer() {
+    _timer = Timer.periodic(Duration(seconds: 1), (timer) {
+      if (_countdownSeconds <= 0) {
+        timer.cancel();
+      } else {
+        setState(() {
+          _countdownSeconds--;
+        });
+      }
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return dialogButton(
+      '${translate('Reconnect')} (${_countdownSeconds}s)',
+      onPressed: widget.onPressed,
+      isOutline: true,
+    );
+  }
+}

flutter/lib/models/model.dart

@@ -512,7 +512,9 @@ class FfiModel with ChangeNotifier {
       String link, bool hasRetry, OverlayDialogManager dialogManager,
       {bool? hasCancel}) {
     msgBox(sessionId, type, title, text, link, dialogManager,
-        hasCancel: hasCancel, reconnect: reconnect);
+        hasCancel: hasCancel,
+        reconnect: reconnect,
+        reconnectTimeout: hasRetry ? _reconnects : null);
     _timer?.cancel();
     if (hasRetry) {
       _timer = Timer(Duration(seconds: _reconnects), () {
@@ -528,6 +530,7 @@ class FfiModel with ChangeNotifier {
       bool forceRelay) {
     bind.sessionReconnect(sessionId: sessionId, forceRelay: forceRelay);
     clearPermissions();
+    dialogManager.dismissAll();
     dialogManager.showLoading(translate('Connecting...'),
         onCancel: closeConnection);
   }