fix: BuildContext crash when joining room

lib/pages/archive/archive_view.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 
 import 'package:flutter_gen/gen_l10n/l10n.dart';
+import 'package:go_router/go_router.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/pages/archive/archive.dart';
@@ -59,6 +60,8 @@ class ArchiveView extends StatelessWidget {
                   itemBuilder: (BuildContext context, int i) => ChatListItem(
                     controller.archive[i],
                     onForget: () => controller.forgetRoomAction(i),
+                    onTap: () => context
+                        .go('/rooms/archive/${controller.archive[i].id}'),
                   ),
                 );
               }

lib/pages/chat_list/chat_list_body.dart

@@ -11,6 +11,7 @@ import 'package:fluffychat/pages/chat_list/chat_list_item.dart';
 import 'package:fluffychat/pages/chat_list/search_title.dart';
 import 'package:fluffychat/pages/chat_list/space_view.dart';
 import 'package:fluffychat/pages/chat_list/status_msg_list.dart';
+import 'package:fluffychat/pages/chat_list/utils/on_chat_tap.dart';
 import 'package:fluffychat/pages/user_bottom_sheet/user_bottom_sheet.dart';
 import 'package:fluffychat/utils/adaptive_bottom_sheet.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
@@ -251,6 +252,7 @@ class ChatListViewBody extends StatelessWidget {
                             )) {
                           return const SizedBox.shrink();
                         }
+                        final activeChat = controller.activeChat == rooms[i].id;
                         return ChatListItem(
                           rooms[i],
                           key: Key('chat_list_item_${rooms[i].id}'),
@@ -258,10 +260,10 @@ class ChatListViewBody extends StatelessWidget {
                               controller.selectedRoomIds.contains(rooms[i].id),
                           onTap: controller.selectMode == SelectMode.select
                               ? () => controller.toggleSelection(rooms[i].id)
-                              : null,
+                              : () => onChatTap(rooms[i], context),
                           onLongPress: () =>
                               controller.toggleSelection(rooms[i].id),
-                          activeChat: controller.activeChat == rooms[i].id,
+                          activeChat: activeChat,
                         );
                       },
                       childCount: rooms.length,

lib/pages/chat_list/chat_list_item.dart

@@ -3,7 +3,6 @@ import 'package:flutter/material.dart';
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:future_loading_dialog/future_loading_dialog.dart';
-import 'package:go_router/go_router.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/config/app_config.dart';
@@ -14,7 +13,6 @@ import '../../config/themes.dart';
 import '../../utils/date_time_extension.dart';
 import '../../widgets/avatar.dart';
 import '../../widgets/matrix.dart';
-import '../chat/send_file_dialog.dart';
 
 enum ArchivedRoomAction { delete, rejoin }
 
@@ -22,132 +20,20 @@ class ChatListItem extends StatelessWidget {
   final Room room;
   final bool activeChat;
   final bool selected;
-  final void Function()? onTap;
   final void Function()? onLongPress;
   final void Function()? onForget;
+  final void Function() onTap;
 
   const ChatListItem(
     this.room, {
     this.activeChat = false,
     this.selected = false,
-    this.onTap,
+    required this.onTap,
     this.onLongPress,
     this.onForget,
     super.key,
   });
 
-  void clickAction(BuildContext context) async {
-    if (onTap != null) return onTap!();
-    if (activeChat) return;
-    if (room.membership == Membership.invite) {
-      final inviterId =
-          room.getState(EventTypes.RoomMember, room.client.userID!)?.senderId;
-      final inviteAction = await showModalActionSheet<InviteActions>(
-        context: context,
-        message: room.isDirectChat
-            ? L10n.of(context)!.invitePrivateChat
-            : L10n.of(context)!.inviteGroupChat,
-        title: room.getLocalizedDisplayname(MatrixLocals(L10n.of(context)!)),
-        actions: [
-          SheetAction(
-            key: InviteActions.accept,
-            label: L10n.of(context)!.accept,
-            icon: Icons.check_outlined,
-            isDefaultAction: true,
-          ),
-          SheetAction(
-            key: InviteActions.decline,
-            label: L10n.of(context)!.decline,
-            icon: Icons.close_outlined,
-            isDestructiveAction: true,
-          ),
-          SheetAction(
-            key: InviteActions.block,
-            label: L10n.of(context)!.block,
-            icon: Icons.block_outlined,
-            isDestructiveAction: true,
-          ),
-        ],
-      );
-      if (inviteAction == null) return;
-      if (inviteAction == InviteActions.block) {
-        context.go('/rooms/settings/security/ignorelist', extra: inviterId);
-        return;
-      }
-      if (inviteAction == InviteActions.decline) {
-        await showFutureLoadingDialog(
-          context: context,
-          future: room.leave,
-        );
-        return;
-      }
-      final joinResult = await showFutureLoadingDialog(
-        context: context,
-        future: () async {
-          final waitForRoom = room.client.waitForRoomInSync(
-            room.id,
-            join: true,
-          );
-          await room.join();
-          await waitForRoom;
-        },
-      );
-      if (joinResult.error != null) return;
-    }
-
-    if (room.membership == Membership.ban) {
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-          content: Text(L10n.of(context)!.youHaveBeenBannedFromThisChat),
-        ),
-      );
-      return;
-    }
-
-    if (room.membership == Membership.leave) {
-      context.go('/rooms/archive/${room.id}');
-      return;
-    }
-
-    // Share content into this room
-    final shareContent = Matrix.of(context).shareContent;
-    if (shareContent != null) {
-      final shareFile = shareContent.tryGet<MatrixFile>('file');
-      if (shareContent.tryGet<String>('msgtype') == 'chat.fluffy.shared_file' &&
-          shareFile != null) {
-        await showDialog(
-          context: context,
-          useRootNavigator: false,
-          builder: (c) => SendFileDialog(
-            files: [shareFile],
-            room: room,
-          ),
-        );
-        Matrix.of(context).shareContent = null;
-      } else {
-        final consent = await showOkCancelAlertDialog(
-          context: context,
-          title: L10n.of(context)!.forward,
-          message: L10n.of(context)!.forwardMessageTo(
-            room.getLocalizedDisplayname(MatrixLocals(L10n.of(context)!)),
-          ),
-          okLabel: L10n.of(context)!.forward,
-          cancelLabel: L10n.of(context)!.cancel,
-        );
-        if (consent == OkCancelResult.cancel) {
-          Matrix.of(context).shareContent = null;
-          return;
-        }
-        if (consent == OkCancelResult.ok) {
-          room.sendEvent(shareContent);
-          Matrix.of(context).shareContent = null;
-        }
-      }
-    }
-
-    context.go('/rooms/${room.id}');
-  }
-
   Future<void> archiveAction(BuildContext context) async {
     {
       if ([Membership.leave, Membership.ban].contains(room.membership)) {
@@ -391,7 +277,7 @@ class ChatListItem extends StatelessWidget {
                   ),
                 ],
               ),
-              onTap: () => clickAction(context),
+              onTap: onTap,
               trailing: onForget == null
                   ? hovered || selected
                       ? IconButton(
@@ -417,9 +303,3 @@ class ChatListItem extends StatelessWidget {
     );
   }
 }
-
-enum InviteActions {
-  accept,
-  decline,
-  block,
-}

lib/pages/chat_list/space_view.dart

@@ -11,6 +11,7 @@ import 'package:matrix/matrix.dart';
 import 'package:fluffychat/pages/chat_list/chat_list.dart';
 import 'package:fluffychat/pages/chat_list/chat_list_item.dart';
 import 'package:fluffychat/pages/chat_list/search_title.dart';
+import 'package:fluffychat/pages/chat_list/utils/on_chat_tap.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/widgets/avatar.dart';
 import '../../utils/localized_exception_extension.dart';
@@ -429,6 +430,7 @@ class _SpaceViewState extends State<SpaceView> {
                           onLongPress: () =>
                               _onSpaceChildContextMenu(spaceChild, room),
                           activeChat: widget.controller.activeChat == room.id,
+                          onTap: () => onChatTap(room, context),
                         );
                       }
                       final isSpace = spaceChild.roomType == 'm.space';

lib/pages/chat_list/utils/on_chat_tap.dart

@@ -0,0 +1,127 @@
+import 'package:flutter/material.dart';
+
+import 'package:adaptive_dialog/adaptive_dialog.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+import 'package:future_loading_dialog/future_loading_dialog.dart';
+import 'package:go_router/go_router.dart';
+import 'package:matrix/matrix.dart';
+
+import 'package:fluffychat/pages/chat/send_file_dialog.dart';
+import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
+import 'package:fluffychat/widgets/matrix.dart';
+
+void onChatTap(Room room, BuildContext context) async {
+  if (room.membership == Membership.invite) {
+    final inviterId =
+        room.getState(EventTypes.RoomMember, room.client.userID!)?.senderId;
+    final inviteAction = await showModalActionSheet<InviteActions>(
+      context: context,
+      message: room.isDirectChat
+          ? L10n.of(context)!.invitePrivateChat
+          : L10n.of(context)!.inviteGroupChat,
+      title: room.getLocalizedDisplayname(MatrixLocals(L10n.of(context)!)),
+      actions: [
+        SheetAction(
+          key: InviteActions.accept,
+          label: L10n.of(context)!.accept,
+          icon: Icons.check_outlined,
+          isDefaultAction: true,
+        ),
+        SheetAction(
+          key: InviteActions.decline,
+          label: L10n.of(context)!.decline,
+          icon: Icons.close_outlined,
+          isDestructiveAction: true,
+        ),
+        SheetAction(
+          key: InviteActions.block,
+          label: L10n.of(context)!.block,
+          icon: Icons.block_outlined,
+          isDestructiveAction: true,
+        ),
+      ],
+    );
+    if (inviteAction == null) return;
+    if (inviteAction == InviteActions.block) {
+      context.go('/rooms/settings/security/ignorelist', extra: inviterId);
+      return;
+    }
+    if (inviteAction == InviteActions.decline) {
+      await showFutureLoadingDialog(
+        context: context,
+        future: room.leave,
+      );
+      return;
+    }
+    final joinResult = await showFutureLoadingDialog(
+      context: context,
+      future: () async {
+        final waitForRoom = room.client.waitForRoomInSync(
+          room.id,
+          join: true,
+        );
+        await room.join();
+        await waitForRoom;
+      },
+    );
+    if (joinResult.error != null) return;
+  }
+
+  if (room.membership == Membership.ban) {
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text(L10n.of(context)!.youHaveBeenBannedFromThisChat),
+      ),
+    );
+    return;
+  }
+
+  if (room.membership == Membership.leave) {
+    context.go('/rooms/archive/${room.id}');
+    return;
+  }
+
+  // Share content into this room
+  final shareContent = Matrix.of(context).shareContent;
+  if (shareContent != null) {
+    final shareFile = shareContent.tryGet<MatrixFile>('file');
+    if (shareContent.tryGet<String>('msgtype') == 'chat.fluffy.shared_file' &&
+        shareFile != null) {
+      await showDialog(
+        context: context,
+        useRootNavigator: false,
+        builder: (c) => SendFileDialog(
+          files: [shareFile],
+          room: room,
+        ),
+      );
+      Matrix.of(context).shareContent = null;
+    } else {
+      final consent = await showOkCancelAlertDialog(
+        context: context,
+        title: L10n.of(context)!.forward,
+        message: L10n.of(context)!.forwardMessageTo(
+          room.getLocalizedDisplayname(MatrixLocals(L10n.of(context)!)),
+        ),
+        okLabel: L10n.of(context)!.forward,
+        cancelLabel: L10n.of(context)!.cancel,
+      );
+      if (consent == OkCancelResult.cancel) {
+        Matrix.of(context).shareContent = null;
+        return;
+      }
+      if (consent == OkCancelResult.ok) {
+        room.sendEvent(shareContent);
+        Matrix.of(context).shareContent = null;
+      }
+    }
+  }
+
+  context.go('/rooms/${room.id}');
+}
+
+enum InviteActions {
+  accept,
+  decline,
+  block,
+}