stateChanged method

void stateChanged(ChatCallKitCallState newState, ChatCallKitCallState preState)

Implementation

void stateChanged(
    ChatCallKitCallState newState, ChatCallKitCallState preState) async {
  switch (newState) {
    case ChatCallKitCallState.idle:
      {
        tools.log("ChatCallKitManagerImpl:stateChanged: state changed to idle");
        await _chat.clearCurrentCallInfo();
        await _rtc.clearCurrentCallInfo();
      }
      break;
    case ChatCallKitCallState.outgoing:
      {
        tools.log("ChatCallKitManagerImpl:stateChanged: state changed to outgoing");
        if (_chat.model.curCall == null) return;
        if (_chat.model.curCall?.callType != ChatCallKitCallType.audio_1v1) {
          await _rtc.enableVideo();
          await _rtc.startPreview();
        }
        try {
          await fetchToken();
        } on ChatCallKitError catch (e) {
          onError(e);
        }
      }
      break;
    case ChatCallKitCallState.alerting:
      {
        tools.log("ChatCallKitManagerImpl:stateChanged: state changed to alerting");
        if (_chat.model.curCall == null) return;
        await _rtc.initEngine();
        tools.log("ChatCallKitManagerImpl: initEngine called");
        if (_chat.model.curCall != null) {
          if (_chat.model.curCall!.callType !=
              ChatCallKitCallType.audio_1v1) {
            tools.log("ChatCallKitManagerImpl: enable video");
            await _rtc.enableVideo();
            await _rtc.startPreview();
          }

          for (var value in handlers) {
            tools.log(
              "ChatCallKitManagerImpl: onReceiveCall called, "
              "remoteUserAccount: ${_chat.model.curCall!.remoteUserAccount}, "
              "callId: ${_chat.model.curCall!.callId}, "
              "callType: ${_chat.model.curCall!.callType}, "
              "ext: ${_chat.model.curCall!.ext}"
            );
            value.onReceiveCall.call(
              _chat.model.curCall!.remoteUserAccount!,
              _chat.model.curCall!.callId,
              _chat.model.curCall!.callType,
              _chat.model.curCall!.ext,
            );
          }
        }
      }
      break;
    case ChatCallKitCallState.answering:
      {
        tools.log("ChatCallKitManagerImpl:stateChanged: state changed to answering");
        if (_chat.model.curCall == null) return;
        if (_chat.model.curCall!.callType == ChatCallKitCallType.multi &&
            _chat.model.curCall!.isCaller) {
          // 多人主叫时，需要开启摄像头
          tools.log("ChatCallKitManagerImpl: enable video");
          await _rtc.enableVideo();
          await _rtc.startPreview();
          try {
            tools.log("ChatCallKitManagerImpl: fetchToken called");
            await fetchToken();
          } on ChatCallKitError catch (e) {
            onError(e);
          }
        }
      }
      break;
  }
}