84 lines
2.4 KiB
Dart
84 lines
2.4 KiB
Dart
import 'dart:typed_data';
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import 'dart:html' as html;
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import 'package:wukongimfluttersdk/common/logs.dart';
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import 'package:wukongimfluttersdk/manager/my_wk_socket_base.dart';
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class MyH5WKSocket implements MyWkSocketBase {
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html.WebSocket? _socket; // 将 _socket 声明为可空类型
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bool _isListening = false;
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static MyH5WKSocket? _instance;
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MyH5WKSocket._internal(this._socket);
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factory MyH5WKSocket.newSocket(String url) {
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var socket = html.WebSocket(url);
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_instance ??= MyH5WKSocket._internal(socket);
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return _instance!;
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}
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@override
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void close() {
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_isListening = false;
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_instance = null;
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try {
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_socket?.close();
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} finally {
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_socket = null; // 现在可以将 _socket 设置为 null
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}
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}
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@override
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void listen(
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{required Function(Uint8List data) onData,
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required Function() onOpen,
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required Function() error}) {
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if (!_isListening && _socket != null) {
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_socket!.onMessage.listen((message) {
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if (message.data is html.Blob) {
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html.Blob blobData = message.data as html.Blob;
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// 使用 FileReader 来读取 Blob
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html.FileReader reader = html.FileReader();
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reader.readAsArrayBuffer(blobData);
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// 监听读取完成事件
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reader.onLoadEnd.listen((event) {
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// 获取 ArrayBuffer 数据
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Uint8List uint8List = reader.result as Uint8List;
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onData(uint8List);
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// 你可以继续使用 uint8List 进行其他操作
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});
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} else {
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// 处理非 Blob 类型数据
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Logs.debug("---> Received non-Blob message: ${message.data}");
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}
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});
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_socket!.onOpen.listen((data) {
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Logs.debug("---> $data，状态: ${_socket?.readyState}");
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onOpen();
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});
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_socket!.onError.listen((data) {
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Logs.debug('socket断开了 : ${data.toString()}');
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});
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_socket!.onClose.listen((data) {
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Logs.debug(
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'socket close 关闭了 : ${data.toString()} ，状态: ${_socket?.readyState}',
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);
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close(); // 关闭和重置 Socket 连接
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error();
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});
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_isListening = true;
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}
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}
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@override
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send(Uint8List data) {
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try {
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if (_socket != null) {
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_socket?.send(data); // 使用安全调用操作符
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}
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} catch (e) {
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Logs.debug('发送消息错误$e');
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}
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}
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}
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