location_guanai/QuickSearchLocation/Classes/Pages/QSLHome/Controller/QSLHomeController.swift

//
//  QSLHomeController.swift
//  QuickSearchLocation
//
//  Created by mac on 2024/4/10.
//

import UIKit
import SwiftyJSON
import MAMapKit
import AMapFoundationKit
import AMapLocationKit

class QSLHomeController: QSLBaseController {
    
    lazy var viewModel: QSLHomeViewModel = {
       return QSLHomeViewModel()
    }()
    
    var personalModel: QSLUserModel = QSLUserModel()
    
    ///判断是不是第一次定位成功
    var isFirstLocatScuess : Bool = true
    
//    var friendList: [QSLUserModel] = [QSLUserModel]()
    
    override func viewDidLoad() {
        
        super.viewDidLoad()
        
        viewModel.initUIData()
        setUpMap()
        setUpUI()
        
        loadData()
        
        NotificationCenter.default.addObserver(self, selector: #selector(loadData), name: QSLNotification.QSLLogin, object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(loadData), name: QSLNotification.QSLLogout, object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(loadData), name: QSLNotification.QSLRefreshFriend, object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(loadData), name: QSLNotification.QSLRefreshRequest, object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(requestVip), name: QSLNotification.QSLRefreshMember, object: nil)
        
        //处理第一次进入首页定位
        firstEnterLocationHomepage()
        
        if let currentWindow = UIApplication.keyWindow {
            QSLHomeAddFriendView.alert(view: currentWindow) {
                QSLJumpManager.shared.pushToAdd(type: .homealert)
            }
        }
        
    }
    
    //处理第一次进入首页定位
    func firstEnterLocationHomepage() {
        guard UserDefaults.standard.string(forKey: "FIRST_ENTER_LOCATION_HOMEPAGE") != nil else {
            UserDefaults.standard.set("YES", forKey: "FIRST_ENTER_LOCATION_HOMEPAGE")
            UserDefaults.standard.synchronize()
            ///第一次进入埋点
            gravityInstance?.track(QSLGravityConst.location_enter_first_homepage, properties: ["id": 03005])
            return
        }
    }
    
    /// 高德地图
    lazy var homeMapView = {
        
        let _mapView = MAMapView()
        _mapView.delegate = self
        
        _mapView.minZoomLevel = 7;
        _mapView.maxZoomLevel = 19;
        _mapView.zoomLevel = 17;
        
        _mapView.showsCompass = false
        _mapView.showsScale = false
        _mapView.isRotateCameraEnabled = false
        
        _mapView.showsUserLocation = true
        _mapView.userTrackingMode = .follow
        
        // 关闭显示精度圈
        let represent = MAUserLocationRepresentation()
        represent.showsAccuracyRing = false
        _mapView.update(represent)
        
        let tap = UITapGestureRecognizer(target: self, action: #selector(mapTapAction))
        _mapView.addGestureRecognizer(tap)
        
        return _mapView
    }()
    
    /// 高德地图定位
    lazy var homeMapLocationM = {
        
        let _homeMapLocationM = AMapLocationManager()
        _homeMapLocationM.delegate = self
        
        _homeMapLocationM.distanceFilter = 100
        _homeMapLocationM.locatingWithReGeocode = true
        
        _homeMapLocationM.desiredAccuracy = kCLLocationAccuracyHundredMeters
        _homeMapLocationM.locationTimeout = 2
        _homeMapLocationM.reGeocodeTimeout = 2
        
        _homeMapLocationM.pausesLocationUpdatesAutomatically = false
        _homeMapLocationM.allowsBackgroundLocationUpdates = true
        
        return _homeMapLocationM
    }()

    /// 头部定位权限弹窗
    lazy var homeAuthHeaderView = {
       
        let _homeAuthHeaderView = QSLHomeAuthHeaderView()
        _homeAuthHeaderView.addRadius(radius: 6)
        return _homeAuthHeaderView
    }()
    
    lazy var homeButtonsView = {
        
        let _homeButtonsView = QSLHomeButtonView()
        return _homeButtonsView
    }()
    
    /// 定位按钮
    lazy var homeLocateBtnView = {
        
        let _homeLocateBtnView = UIView()
        _homeLocateBtnView.addRadius(radius: 6)
        _homeLocateBtnView.effectViewWithAlpha(alpha: 1, size: CGSize(width: 40, height: 40), style: .light)
        return _homeLocateBtnView
    }()
    
    lazy var homeLocateBtn = {
        
        let _homeLocateBtn = UIButton(type: .custom)
        _homeLocateBtn.image(UIImage(named: "home_btn_locate"))
        return _homeLocateBtn
    }()
    
    /// 无好友和未登录时的状态
    lazy var homeEmptyView: QSLHomeEmptyView = {
        
        let _homeEmptyView = QSLHomeEmptyView()
        _homeEmptyView.delegate = self
        _homeEmptyView.isHidden = true
        return _homeEmptyView
    }()
    
    lazy var homeFriendView: QSLHomeFriendView = {
       
        let topHeight = QSLConst.qsl_kStatusBarFrameH
        let view = QSLHomeFriendView(frame: CGRect(x: 0, y: QSLConst.qsl_kScreenH - viewModel.friendViewHeight - QSLConst.qsl_kTabbarFrameH, width: QSLConst.qsl_kScreenW, height: QSLConst.qsl_kScreenH - topHeight))
        view.scrollTopHeight = topHeight - 40
        view.delegate = self
        return view
    }()
}

// MARK: - 网络请求等
extension QSLHomeController {
    
    @objc func loadData() {

//        viewModel.refreshDataSoure(complete: { [unowned self] in
//            self.homeFriendView.viewModel = self.viewModel
//            let friViewTopY = QSLConst.qsl_kScreenH - viewModel.friendViewHeight - QSLConst.qsl_kTabbarFrameH
//            homeFriendView.scrollCenterHeight = friViewTopY
//            homeFriendView.snp.updateConstraints { make in
//                make.top.equalTo(friViewTopY)
//            }
//        })
        self.onceLocation()
        
        if QSLBaseManager.shared.isLogin() {
            self.initSocket()
        } else {
            self.deposeSocket()
        }
        
        requestFriendList()
        requestVip()
    }
    
    // 请求好友列表
    @objc func requestFriendList() {
        
        self.homeMapView.removeAnnotations(self.homeMapView.annotations)
        
        viewModel.friendList.removeAll()
        viewModel.friendLocationList.removeAll()
        viewModel.friendList.append(QSLBaseManager.shared.userModel)
        
        QSLNetwork().request(.friendList(dict: [:])) { response in
            
            let list = response.mapArray(QSLUserModel.self, modelKey: "data>list")
            self.viewModel.friendList.append(contentsOf: list)
            self.homeFriendView.viewModel = self.viewModel
            
            for model in list {
                let pointAnnotation = MAPointAnnotation()
                let loc = CLLocationCoordinate2D(latitude: model.location.lat, longitude: model.location.lng)
                pointAnnotation.coordinate = loc
                
                if model.remark.count > 0 {
                    pointAnnotation.title = model.remark
                } else {
                    pointAnnotation.title = model.phone
                }
                pointAnnotation.subtitle = "300"
                
                let pointModel = QSLMapPointModel()
                pointModel.userId = model.userId
                pointModel.pointAnnotation = pointAnnotation
                self.viewModel.friendLocationList.append(pointModel)
                
                if QSLBaseManager.shared.isVip() && !model.blockedMe {
                    self.homeMapView.addAnnotation(pointAnnotation)
                }
            }
        } fail: { code, error in
            
            self.homeFriendView.viewModel = self.viewModel
        }
    }
    
    // 请求vip信息
    @objc func requestVip() {
        
        QSLNetwork().request(.userMember(dict: [:])) { response in
            
            let memberModel = response.mapObject(QSLMemberModel.self, modelKey: "data")
            QSLBaseManager.shared.userModel.memberModel = memberModel
            
            if memberModel.expired {
                QSLBaseManager.shared.saveVipExpiredTime(time: 0)
            } else {
                QSLBaseManager.shared.saveVipExpiredTime(time: memberModel.endTimestamp)
            }
            
            QSLBaseManager.shared.saveUserId(id: memberModel.userId)
            
//            NotificationCenter.default.post(name: QSLNotification.QSLRefreshMember, object: nil)
            
        } fail: { code, error in
            
        }
    }
}

// MARK: - 设置地图相关方法
extension QSLHomeController: MAMapViewDelegate, AMapLocationManagerDelegate {
    
    // 初始化高德地图设置
    func setUpMap() {
        
        AMapServices.shared().enableHTTPS = true
        AMapLocationManager.updatePrivacyShow(.didShow, privacyInfo: .didContain)
        AMapLocationManager.updatePrivacyAgree(.didAgree)
        
        homeMapLocationM.locatingWithReGeocode = true
        homeMapLocationM.startUpdatingLocation()
    }
    
    // 申请地图定位权限
    func mapViewRequireLocationAuth(_ locationManager: CLLocationManager!) {
        
        locationManager.requestWhenInUseAuthorization()
    }
    
    // 地图触摸事件
    @objc func mapTapAction() {
        
        if self.homeFriendView.scrollLocation != .ScrollBottom {
            self.homeFriendView.scrollToLocation(type: .ScrollBottom)
        }
    }
    
    // 获取一次性定位
    func onceLocation() {
        
        // 先停止持续定位
        self.homeMapLocationM.stopUpdatingLocation()
        
        self.homeMapLocationM.requestLocation(withReGeocode: true) { location, regeocode, error in
            
            if error != nil {
               
                self.personalModel = QSLBaseManager.shared.userModel
                // 获取电话和名字
//                self.personalModel.phone = QSLBaseManager.shared.userModel.phone
                var name = "用户\(QSLBaseManager.shared.userModel.phone.suffix(4))"
                if !QSLBaseManager.shared.isLogin() {
                   name = "自己"
                }
                name = "自己"
                self.personalModel.remark = name
                // 地址
                self.personalModel.location.addr = "请先开启位置权限"
                QSLBaseManager.shared.updateUser(model: self.personalModel)

                if self.viewModel.friendList.isEmpty {
                    self.viewModel.friendList.append(self.personalModel)
                } else {
                    self.viewModel.friendList[0] = self.personalModel
                }

                self.homeFriendView.viewModel = self.viewModel
                self.homeMapLocationM.startUpdatingLocation()
                
                return
            }
            
                        
            self.personalModel = QSLBaseManager.shared.userModel
            var name = "用户\(QSLBaseManager.shared.userModel.phone.suffix(4))"
            if !QSLBaseManager.shared.isLogin() {
                name = "自己"
            }
            name = "自己"
            self.personalModel.remark = name
            
            self.personalModel.location.addr = regeocode?.formattedAddress ?? "未知"
            
            self.personalModel.location.timestamp = Int(Date.secondStamp) ?? 0
            
            if let location = location {
                // 地图居中
                self.homeMapView.setCenter(location.coordinate, animated: true)
                self.homeFriendView.scrollLocation = .ScrollCenter
                
                self.personalModel.location.lat = location.coordinate.latitude
                self.personalModel.location.lng = location.coordinate.longitude
                
                // 速度
                self.personalModel.location.speed = location.speed >= 0 ? location.speed : 0
                
                // 朝向
                self.personalModel.location.bearing = location.course >= 0 ? location.course : 0
            }
            
            QSLBaseManager.shared.updateUser(model: self.personalModel)
            
            
            if QSLBaseManager.shared.isLogin() {
                let locationData = self.personalModel.location
                let addr = locationData.addr
                if addr != "请先开启位置权限" {
                    self.sendSocket()
                }
            }
            
            if self.viewModel.friendList.isEmpty {
                self.viewModel.friendList.append(self.personalModel)
            } else {
                self.viewModel.friendList[0] = self.personalModel
            }
            
            print("location: \(String(describing: location))")
            if let regeocode = regeocode {
                print("reGeocode: \(regeocode)")
            }
            
            self.homeFriendView.viewModel = self.viewModel
            self.homeMapLocationM.startUpdatingLocation()
        }
    }
    
    // 持续定位
    func amapLocationManager(_ manager: AMapLocationManager!, didUpdate location: CLLocation!, reGeocode: AMapLocationReGeocode!) {
        
        if self.isFirstLocatScuess {
            self.isFirstLocatScuess = false
            //始终允许定位成功
            gravityInstance?.track(QSLGravityConst.location_success_always, properties: ["id": 03003])
        }
        
        // 获取电话和名字
        self.personalModel = QSLBaseManager.shared.userModel
        
        var name = "用户\(QSLBaseManager.shared.userModel.phone.suffix(4))"
        if !QSLBaseManager.shared.isLogin() {
            name = "自己"
        }
        name = "自己"
        self.personalModel.remark = name

        // 时间戳
        self.personalModel.location.timestamp = Int(Date.secondStamp) ?? 0

        // 经纬度
        self.personalModel.location.lat = location.coordinate.latitude
        self.personalModel.location.lng = location.coordinate.longitude

        // 速度
        if location.speed >= 0 {
            self.personalModel.location.speed = location.speed
        } else {
            self.personalModel.location.speed = 0
        }

        // 朝向
        if location.course >= 0 {
            self.personalModel.location.bearing = location.course
        } else {
            self.personalModel.location.bearing = 0
        }

        // 打印位置信息
        print("location: {lat: \(location.coordinate.latitude); lon: \(location.coordinate.longitude); accuracy: \(location.horizontalAccuracy)}")

        // 逆地理编码处理
        if let reGeocode = reGeocode {
            print("reGeocode: \(reGeocode)")
            self.personalModel.location.addr = reGeocode.formattedAddress
        } else {
            self.personalModel.location.addr = "请先开启位置权限"
        }

        // 保存到模块
        QSLBaseManager.shared.updateUser(model: self.personalModel)

        // 更新好友列表
        if self.viewModel.friendList.isEmpty {
            self.viewModel.friendList.append(self.personalModel)
        } else {
            self.viewModel.friendList[0] = self.personalModel
        }

        self.homeFriendView.viewModel = self.viewModel
        // 更新UI
//        self.updateHomeUI()

        // 如果已登录，发送定位信息
        if QSLBaseManager.shared.isLogin() {
            let locationData = self.personalModel.location
            let addr = locationData.addr
            if addr != "请先开启位置权限" {
                self.sendSocket()
            }
        }
    }
    
    func mapView(_ mapView: MAMapView!, viewFor annotation: (any MAAnnotation)!) -> MAAnnotationView! {
        
        // 处理用户位置的标注
        if annotation is MAUserLocation {
            let reuseIdentifier = "UserAnotation"
            
            var annotationView = mapView.dequeueReusableAnnotationView(withIdentifier: reuseIdentifier) as? QSLHomeAnnotatinView
            if annotationView == nil {
                annotationView = QSLHomeAnnotatinView(annotation: annotation, reuseIdentifier: reuseIdentifier)
            }
            
            let name = "我"
            annotationView?.title = name
            
            annotationView?.isEnabled = false
            annotationView?.image = UIImage(named: "home_mine_anno")
            annotationView?.canShowCallout = false
            annotationView?.centerOffset = CGPoint(x: 0, y: -18)
            annotationView?.calloutOffset = CGPoint(x: 0, y: 0)
            annotationView?.zIndex = 360
            annotationView?.isSelected = true
            
            return annotationView
        }
        
        // 处理普通点标注
        if annotation is MAPointAnnotation {
            let reuseIdentifier = "OtherAnnotation"
            
            var annotationView = mapView.dequeueReusableAnnotationView(withIdentifier: reuseIdentifier) as? QSLHomeAnnotatinView
            if annotationView == nil {
                annotationView = QSLHomeAnnotatinView(annotation: annotation, reuseIdentifier: reuseIdentifier)
                annotationView?.title = annotation.title
            }
            
            if let subtitle = annotation.subtitle as? Int {
                annotationView?.zIndex = subtitle
            }
            
            annotationView?.isEnabled = false
            annotationView?.image = UIImage(named: "home_mine_anno")
            annotationView?.canShowCallout = false
            annotationView?.centerOffset = CGPoint(x: 0, y: -18)
            annotationView?.calloutOffset = CGPoint(x: 0, y: 0)
            annotationView?.isSelected = true
            
            return annotationView
        }
        
        return nil
    }
    //@brief 定位权限状态改变时回调函数。注意：iOS13及之前版本回调
    // 高德地图权限变化回调
      func amapLocationManager(_ manager: AMapLocationManager, didChangeAuthorization status: CLAuthorizationStatus) {
         //print("高德地图定位权限变化: \(status.rawValue)")
          
          switch status {
          case .authorizedAlways, .authorizedWhenInUse:
              //print("定位权限已授权")
              //支付成功埋点
              gravityInstance?.track(QSLGravityConst.location_allow_permission, properties: ["id": 03001])
          case .denied:
              //print("定位权限被拒绝")
              //拒绝定位权限
              gravityInstance?.track(QSLGravityConst.location_deny_permission, properties: ["id": 03002])
          default:
              break
          }
      }
      
      // 系统定位权限变化回调
      func amapLocationManager(_ manager: AMapLocationManager, locationManagerDidChangeAuthorization locationManager: CLLocationManager) {
          if #available(iOS 14.0, *) {
              let status = locationManager.authorizationStatus
              // 统一处理权限变化
              amapLocationManager(manager, didChangeAuthorization: status)
              //print("系统定位权限变化: \(status.rawValue)")
          } else {
              // Fallback on earlier versions
          }
      }
      
      // 定位结果回调
      func amapLocationManager(_ manager: AMapLocationManager, didFailWithError error: Error) {
          print("定位失败: \(error.localizedDescription)")
          gravityInstance?.track(QSLGravityConst.location_fail_always, properties: ["id": 03004])
      }
    
}

// MARK: - 设置WebSocket
extension QSLHomeController: QSLSocketManagerDelegate {
    
    // 初始化
    func initSocket() {
        
        QSLSocketManager.shared.urlString = "\(QSLApi.prodWSUrl)/websocket/\(QSLBaseManager.shared.userModel.authToken)"
        QSLSocketManager.shared.connect()
        QSLSocketManager.shared.delegate = self
    }
    
    // 关闭socket
    func deposeSocket() {
        
        QSLSocketManager.shared.urlString = ""
        QSLSocketManager.shared.close()
        QSLSocketManager.shared.delegate = nil
    }
    
    // 发送socket信息
    func sendSocket() {
        
        var message = QSLMapMessageModel()
        message.cmd = "u.location"
        
        var location = QSLMapTrackModel()
        location.lat = self.personalModel.location.lat
        location.lng = self.personalModel.location.lng
        location.addr = self.personalModel.location.addr
        location.speed = self.personalModel.location.speed
        location.bearing = self.personalModel.location.bearing
        location.timestamp = Int(Date.milliStamp) ?? 0
        
        message.body = location.toJSONString()
        QSLSocketManager.shared.sendMessage(message.toJSONString())
    }
    
    // 接收到消息
    func socketDidReceiveMessage(with string: String) {
 
        let locationModel = QSLMapMessageModel.mapModel(from: string)
        if let data = locationModel.body.data(using: .utf8), let list = try? JSONSerialization.jsonObject(with: data, options: .mutableContainers) as? [QSLMapTrackModel] {
            
            
            if locationModel.cmd == "d.location.batch" {
                
                for model in list {
                    
                    var isBlockedMe = false
                    for var user in viewModel.friendList {
                        if model.userId == user.friendId {
                            user.location = model
                            isBlockedMe = user.blockedMe
                        }
                    }
                    
                    if !isBlockedMe && QSLBaseManager.shared.isVip() {
                        
                        for location in viewModel.friendLocationList {
                            
                            if model.userId == location.userId {
                                
                                let annotation = MAPointAnnotation()
                                let cll2d = CLLocationCoordinate2D(latitude: model.lat, longitude: model.lng)
                                annotation.coordinate = cll2d
                                location.pointAnnotation = annotation
                                self.homeMapView.addAnnotation(location.pointAnnotation)
                            }
                        }
                    }
                }
                
                self.homeFriendView.viewModel = self.viewModel
            }
        }
    }
}

// MARK: - 设置界面代理方法
extension QSLHomeController: QSLHomeEmptyViewDelegate, QSLHomeFriendViewDelegate {
    
    func viewDidScroll() {
        switch self.homeFriendView.scrollLocation {
        case .ScrollTop:
            self.homeFriendView.snp.updateConstraints { make in
                make.top.equalTo(QSLConst.qsl_kStatusBarFrameH - 40.rpx)
            }
            break
        case .ScrollCenter:
            self.homeFriendView.snp.updateConstraints { make in
                make.top.equalTo(QSLConst.qsl_kScreenH - viewModel.friendViewHeight - QSLConst.qsl_kStatusBarFrameH)
            }
            break
        case .ScrollBottom:
            self.homeFriendView.snp.updateConstraints { make in
                make.top.equalTo(QSLConst.qsl_kScreenH - QSLConst.qsl_kTabbarFrameH - 56.rpx - 40.rpx)
            }
            break
        default:
            break
        }
    }
    
    func addFriendAction(isSmall: Bool) {
        
        if isSmall {
            QSLJumpManager.shared.pushToAdd(type: .homesmall)
        } else {
            QSLJumpManager.shared.pushToAdd(type: .homebig)
        }
    }
    
    func refreshBtnAction() {
        
        gravityInstance?.track(QSLGravityConst.home_locate)
        self.loadData()
    }
    
    // 轨迹
    func routeBtnAction(model: QSLUserModel) {
        
        if !QSLBaseManager.shared.isLogin() {
            
            if let view = self.tabBarController?.view {
                QSLAlertView.alert(view: view, title: "温馨提示", content: "登录即可体验查看轨迹记录", secondBtnClosure:  {
                    
                    QSLJumpManager.shared.pushToLogin(type: .road)
                })
            }
            
            return
        }
        
        if !QSLBaseManager.shared.isVip() {
            
            QSLJumpManager.shared.pushToVip(type: .homeRoad)
            return
        }
        
        QSLJumpManager.shared.pushToRoad(type: .home, model: model)
    }
    
    // 点击列表的定位按钮
    func locateBtnAction(model: QSLUserModel) {
        
        if !QSLBaseManager.shared.isVip() {
            self.view.toast(text: "请先开通会员")
            return
        }
        
        if model.blockedMe {
            return
        }
        
        let location = CLLocationCoordinate2D(latitude: model.location.lat, longitude: model.location.lng)
        self.homeMapView.setCenter(location, animated: true)
        
        for point in self.viewModel.friendLocationList {
            
            if point.userId == model.friendId {
                self.homeMapView.removeAnnotation(point.pointAnnotation)
                point.pointAnnotation?.subtitle = "350"
                self.homeMapView.addAnnotation(point.pointAnnotation)
            }
        }
    }
    
    func emptyFriPhoneViewClick() {
        
        if let vc = self.tabBarController {
            QSLFriendAddAlertView.show(vc: vc) {
                
            }
        }
    }
    
    func homeFriPhoneViewClick() {
        
        if let vc = self.tabBarController {
            QSLFriendAddAlertView.show(vc: vc) {
                
            }
        }
    }
}

// MARK: - 设置UI相关方法
extension QSLHomeController {
    
    // 设置基础UI
    func setUpUI() {
        
        view.addSubview(homeMapView)
        homeMapView.snp.makeConstraints { make in
            make.edges.equalTo(0)
        }
        
//        view.addSubview(homeButtonsView)
//        homeButtonsView.snp.makeConstraints { make in
//            make.size.equalTo(CGSize(width: 40, height: 104))
//            make.top.equalTo(QSLConst.qsl_kStatusBarFrameH + 164)
//            make.right.equalTo(QSLHomeViewModel.UX.viewRight)
//        }
//        
//        view.addSubview(homeLocateBtnView)
//        homeLocateBtnView.snp.makeConstraints { make in
//            make.size.equalTo(CGSize(width: 40, height: 40))
//            make.top.equalTo(self.homeButtonsView.snp.bottom).offset(16)
//            make.right.equalTo(QSLHomeViewModel.UX.viewRight)
//        }
        
        view.addSubview(homeFriendView)
        homeFriendView.snp.makeConstraints { make in
            make.left.right.equalTo(0)
            make.top.equalTo(QSLConst.qsl_kScreenH - viewModel.friendViewHeight - QSLConst.qsl_kTabbarFrameH)
            make.height.equalTo(QSLConst.qsl_kScreenH - QSLConst.qsl_kTabbarFrameH)
        }
        
        let friViewTopY = QSLConst.qsl_kScreenH - viewModel.friendViewHeight - QSLConst.qsl_kTabbarFrameH
        homeFriendView.scrollCenterHeight = friViewTopY
        homeFriendView.snp.updateConstraints { make in
            make.top.equalTo(friViewTopY)
        }
    }
}