app-starlock/lib/talk/starChart/handle/impl/udp_talk_expect_handler.dart

import 'dart:convert';
import 'dart:typed_data';

import 'package:flutter/services.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:get/get.dart';
import 'package:star_lock/talk/starChart/constant/message_type_constant.dart';
import 'package:star_lock/talk/starChart/constant/talk_status.dart';
import 'package:star_lock/talk/starChart/entity/scp_message.dart';
import 'package:star_lock/talk/starChart/handle/scp_message_base_handle.dart';
import 'package:star_lock/talk/starChart/handle/scp_message_handle.dart';
import 'package:star_lock/talk/starChart/proto/gateway_reset.pb.dart';
import 'package:star_lock/talk/starChart/proto/generic.pb.dart';
import 'package:star_lock/talk/starChart/proto/talk_data.pb.dart';
import 'package:star_lock/talk/starChart/proto/talk_expect.pb.dart';
import 'package:star_lock/talk/starChart/views/talkView/talk_view_logic.dart';
import 'package:star_lock/talk/starChart/views/talkView/talk_view_state.dart';

import '../../star_chart_manage.dart';

class UdpTalkExpectHandler extends ScpMessageBaseHandle
    implements ScpMessageHandler {
  final TalkViewState talkViewState = Get.put(TalkViewLogic()).state;

  @override
  void handleReq(ScpMessage scpMessage) {
    // 收到预期音视频数据请求
    final TalkExpectReq talkExpect = scpMessage.Payload;
    // 回复请求
    replySuccessMessage(scpMessage);
  }

  @override
  void handleResp(ScpMessage scpMessage) {
    //  收到预期音视频数据回复
    final TalkExpectResp talkExpectResp = scpMessage.Payload;
    if (talkExpectResp != null) {
      // print('收到预期音视频数据回复,scpMessage:$scpMessage');
      // 停止发送预期数据的定时器
      startChartManage.stopTalkExpectMessageTimer();
      // 停止发送对讲请求
      startChartManage.stopCallRequestMessageTimer();
      talkViewState.rotateAngle.value = talkExpectResp.rotate ?? 0;
      // 收到预期数据的应答后，代表建立了连接，启动通话保持的监听
      // 启动通话保持监听定时器（用来判断如果x秒内没有收到通话保持则执行的操作）;
      talkePingOverTimeTimerManager.start();
      // 启动通话数据监听
      talkDataOverTimeTimerManager.start();
      if (talkStatus.status == TalkStatus.proactivelyCallWaitingAnswer) {
        // 停止播放铃声
        stopRingtone();
        // 设置为接听成功
        talkStatus.setAnsweredSuccessfully();
        // 主动呼叫时需要启动ping
        startChartManage.startTalkPingMessageTimer();
      }
    }
  }

  @override
  void handleInvalidReq(ScpMessage scpMessage) {}

  @override
  void handleRealTimeData(ScpMessage scpMessage) {}

  @override
  deserializePayload(
      {required int payloadType,
      required int messageType,
      required List<int> byte,
      int? offset,
      int? PayloadLength,
      int? spTotal,
      int? spIndex,
      int? messageId}) {
    if (messageType == MessageTypeConstant.Resp) {
      final TalkExpectResp talkExpectResp = TalkExpectResp();
      talkExpectResp.mergeFromBuffer(byte);
      return talkExpectResp;
      // final GenericResp genericResp = GenericResp();
      // genericResp.mergeFromBuffer(byte);
      // return genericResp;
    } else if (messageType == MessageTypeConstant.Req) {
      final TalkExpectReq talkExpect = TalkExpectReq();
      talkExpect.mergeFromBuffer(byte);
      return talkExpect;
    } else {
      String payload = utf8.decode(byte);
      return payload;
    }
  }
}