app/lib/my_tools/pop_up_queue.dart

import 'package:bbyyy/beans/coupon_bean_entity.dart';
import 'package:bbyyy/beans/new_order_bean_entity.dart';
import 'package:bbyyy/beans/system_information_bean_entity.dart';
import 'package:bbyyy/my_tools/event_bus.dart';

import 'easy_loading/easy_loading.dart';

class PopUpQueue {
  PopUpQueue._internal();

  static PopUpQueue _singleton = PopUpQueue._internal();

  factory PopUpQueue() => _singleton;
  List<CouponBeanDataData> coupon = [];
  var nsqData = [];
  bool onShow = true;
  showNext(){
    print('=========================');
    print(onShow);
    print(nsqData.length);
    print(coupon.length);
    print('=========================');
    if(onShow){
      return;
    }
    if(nsqData.isNotEmpty){
      if(nsqData[0] is NewOrderBeanEntity){
        onShow = true;
        EventBus().emit('hasNewOrder', nsqData[0]);
        nsqData.removeAt(0);
      }else if(nsqData[0] is SystemInformationBeanEntity){
        onShow = true;
        EventBus().emit('systemInformation',nsqData[0]);
        nsqData.removeAt(0);
      }
    }
    else if(coupon.isNotEmpty){
      onShow = true;
      EventBus().emit('hasCoupon',coupon[0]);
      coupon.clear();
    }
    else{
      EasyLoading.dismiss();
    }
  }
}