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lib/common/manager/event_manager.dart

@@ -0,0 +1,54 @@
+import 'dart:async';
+
+import 'package:cashier_reserve/common/channel/call_log_model.dart';
+import 'package:event_bus/event_bus.dart';
+
+
+class EventManager {
+  static EventBus? _eventBus;
+
+  static final Map<dynamic, List<StreamSubscription>> _eventMap = {};
+
+  static EventBus? get eventBus => getEventBus();
+
+  static EventBus? getEventBus() {
+    _eventBus ??= EventBus();
+    return _eventBus;
+  }
+
+  static void postEvent(MyEvent event) {
+    getEventBus()!.fire(event);
+  }
+
+  static void addListener<T>(dynamic widget, void Function(T event) onData) {
+    StreamSubscription event = EventManager.eventBus!.on<T>().listen((T e) {
+      onData(e);
+    });
+    List<StreamSubscription>? list = _eventMap[widget];
+    list ??= [];
+    list.add(event);
+    _eventMap[widget] = list;
+  }
+
+  static void cancelListener(dynamic widget) {
+    List<StreamSubscription>? list = _eventMap[widget];
+    if (list == null) {
+      return;
+    }
+    for (var event in list) {
+      event.cancel();
+    }
+  }
+}
+
+class MyEvent {
+  String name = '';
+}
+
+class GetCallLogEvent extends MyEvent {
+  List<CallLogModel> callLogs;
+  bool isLoadMore = false;
+  bool isSuccess = false;
+
+  GetCallLogEvent({this.callLogs = const [], this.isLoadMore = false, this.isSuccess = false});
+}