| 1 | import 'dart:async'; |
| 2 | import 'dart:collection'; |
| 3 | import 'package:cake_wallet/src/screens/wallet_connect/models/bottom_sheet_queue_item_model.dart'; |
| 4 | import 'package:flutter/material.dart'; |
| 5 | |
| 6 | enum WCBottomSheetResult { reject, one, all } |
| 7 | |
| 8 | abstract class BottomSheetService { |
| 9 | abstract final ValueNotifier<BottomSheetQueueItemModel?> currentSheet; |
| 10 | |
| 11 | Future<dynamic> queueBottomSheet({ |
| 12 | required Widget widget, |
| 13 | bool isModalDismissible = false, |
| 14 | int closeAfter = 0, |
| 15 | }); |
| 16 | |
| 17 | void showNext(); |
| 18 | } |
| 19 | |
| 20 | class BottomSheetServiceImpl implements BottomSheetService { |
| 21 | Queue<BottomSheetQueueItemModel> queue = Queue<BottomSheetQueueItemModel>(); |
| 22 | |
| 23 | @override |
| 24 | final ValueNotifier<BottomSheetQueueItemModel?> currentSheet = ValueNotifier(null); |
| 25 | |
| 26 | @override |
| 27 | Future<dynamic> queueBottomSheet({ |
| 28 | required Widget widget, |
| 29 | int closeAfter = 0, |
| 30 | bool isModalDismissible = false, |
| 31 | }) async { |
| 32 | final completer = Completer<dynamic>(); |
| 33 | final queueItem = BottomSheetQueueItemModel( |
| 34 | widget: widget, |
| 35 | completer: completer, |
| 36 | closeAfter: closeAfter, |
| 37 | isModalDismissible: isModalDismissible, |
| 38 | ); |
| 39 | |
| 40 | if (currentSheet.value == null) { |
| 41 | currentSheet.value = queueItem; |
| 42 | } else { |
| 43 | queue.add(queueItem); |
| 44 | } |
| 45 | |
| 46 | return await completer.future; |
| 47 | } |
| 48 | |
| 49 | @override |
| 50 | void showNext() { |
| 51 | if (queue.isEmpty) { |
| 52 | currentSheet.value = null; |
| 53 | } else { |
| 54 | currentSheet.value = queue.removeFirst(); |
| 55 | } |
| 56 | } |
| 57 | } |