102 lines
2.6 KiB
Dart
Executable File
102 lines
2.6 KiB
Dart
Executable File
import 'package:get/get.dart';
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import 'package:kaer_with_panels/app/utils/kr_log_util.dart';
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/// 消息类型枚举
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enum KRMessageType {
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kr_payment,
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kr_subscribe_update,
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}
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/// 消息数据类
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class KRMessageData {
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final KRMessageType kr_type; // 消息类型
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final Map<String, dynamic> kr_data; // 消息数据
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KRMessageData({
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required this.kr_type,
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required this.kr_data,
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});
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}
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/// 消息总线工具类
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class KREventBus {
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// 单例模式
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static final KREventBus _instance = KREventBus._internal();
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factory KREventBus() => _instance;
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KREventBus._internal();
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// 消息流控制器
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final _kr_messageController = Rx<KRMessageData?>(null);
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/// 发送消息
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void kr_sendMessage(
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KRMessageType type, {
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Map<String, dynamic> data = const {},
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}) {
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_kr_messageController.value = KRMessageData(
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kr_type: type,
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kr_data: data,
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);
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}
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/// 监听特定类型的消息
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/// 返回 Worker 对象，可用于手动取消订阅
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/// 在控制器的 onClose 方法中调用 worker.dispose() 来取消订阅
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/// 示例：
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/// ```dart
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/// class MyController extends GetxController {
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/// Worker? _worker;
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///
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/// @override
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/// void onInit() {
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/// super.onInit();
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/// _worker = KREventBus().kr_listenMessage(
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/// KRMessageType.kr_paymentSuccess,
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/// (message) => KRLogUtil.kr_d('收到消息: $message', tag: 'EventBus'),
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/// );
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/// }
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///
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/// @override
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/// void onClose() {
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/// _worker?.dispose();
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/// super.onClose();
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/// }
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/// }
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/// ```
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Worker kr_listenMessage(
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KRMessageType type,
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Function(KRMessageData) callback,
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) {
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return ever(_kr_messageController, (KRMessageData? message) {
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if (message != null && message.kr_type == type) {
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callback(message);
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}
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});
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}
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/// 监听多个类型的消息
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/// 返回 Worker 对象，可用于手动取消订阅
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/// 在控制器的 onClose 方法中调用 worker.dispose() 来取消订阅
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Worker kr_listenMessages(
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List<KRMessageType> types,
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Function(KRMessageData) callback,
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) {
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return ever(_kr_messageController, (KRMessageData? message) {
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if (message != null && types.contains(message.kr_type)) {
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callback(message);
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}
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});
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}
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/// 监听所有消息
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/// 返回 Worker 对象，可用于手动取消订阅
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/// 在控制器的 onClose 方法中调用 worker.dispose() 来取消订阅
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Worker kr_listenAllMessages(Function(KRMessageData) callback) {
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return ever(_kr_messageController, (KRMessageData? message) {
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if (message != null) {
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callback(message);
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}
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});
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}
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} |