stateChanged method

void stateChanged(ChatCallKitCallState newState, ChatCallKitCallState preState)

Implementation

void stateChanged(
    ChatCallKitCallState newState, ChatCallKitCallState preState) async {
  switch (newState) {
    case ChatCallKitCallState.idle:
      {
        await _chat.clearCurrentCallInfo();
        await _rtc.clearCurrentCallInfo();
      }
      break;
    case ChatCallKitCallState.outgoing:
      {
        if (_chat.model.curCall == null) return;
        if (_chat.model.curCall?.callType != ChatCallKitCallType.audio_1v1) {
          await _rtc.enableVideo();
          await _rtc.startPreview();
        }
        await fetchToken();
      }
      break;
    case ChatCallKitCallState.alerting:
      {
        if (_chat.model.curCall == null) return;
        await _rtc.initEngine();
        if (_chat.model.curCall != null) {
          if (_chat.model.curCall!.callType !=
              ChatCallKitCallType.audio_1v1) {
            await _rtc.enableVideo();
            await _rtc.startPreview();
          }

          for (var value in handlers) {
            value.onReceiveCall.call(
              _chat.model.curCall!.remoteUserAccount!,
              _chat.model.curCall!.callId,
              _chat.model.curCall!.callType,
              _chat.model.curCall!.ext,
            );
          }
        }
      }
      break;
    case ChatCallKitCallState.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
          await _rtc.enableVideo();
          await _rtc.startPreview();
          await fetchToken();
        }
      }
      break;
  }
}