IOS-73: hide adviews when there are no ads.

1Weather/Ads/AdView.swift

@@ -10,13 +10,22 @@ import Foundation
 import GoogleMobileAds
 import UIKit
 
-@objc
 public protocol AdViewDelegate: AnyObject {
-    func succeeded(adView: AdView)
-    func failed(adView: AdView)
+    func succeeded(adView: AdView, hadAdBefore: Bool)
+    func failed(adView: AdView, hadAdBefore: Bool)
     func closeButtonTapped(adView: AdView)
     /// Return the view controller, that will present the interstitial.
-    func adTopViewController() -> UIViewController
+    func adTopViewController() -> UIViewController?
+}
+
+// MARK: - Default methods implementation
+extension AdViewDelegate {
+    func closeButtonTapped(adView: AdView) {
+        // do nothing
+    }
+    func adTopViewController() -> UIViewController? {
+        return nil
+    }
 }
 
 @objcMembers
@@ -324,22 +333,25 @@ extension AdView {
 extension AdView: NativeBannerContainerViewDelegate {
     func adLoader(_ adLoader: GADAdLoader, didReceived bannerView: GAMBannerView) {
         log.info("ad request succeeded")
+        let hadAdBefore = adReady
         adReady = true
         analytics(log: .ANALYTICS_AD_RECEIVED, params: self.analyticsParams)
-        self.delegate?.succeeded(adView: self)
+        self.delegate?.succeeded(adView: self, hadAdBefore: hadAdBefore)
     }
 
     func adLoader(_ adLoader: GADAdLoader, didReceive nativeAd: GADNativeAd) {
         log.info("ad request succeeded")
+        let hadAdBefore = adReady
         adReady = true
         analytics(log: .ANALYTICS_AD_RECEIVED, params: self.analyticsParams)
-        self.delegate?.succeeded(adView: self)
+        self.delegate?.succeeded(adView: self, hadAdBefore: hadAdBefore)
     }
 
     public func adLoader(_ adLoader: GADAdLoader, didFailToReceiveAdWithError error: Error) {
         log.error("ad request failed")
+        let hadAdBefore = adReady
         adReady = false
-        self.delegate?.failed(adView: self)
+        self.delegate?.failed(adView: self, hadAdBefore: hadAdBefore)
     }
 
 }

1Weather/Common/CellFactory.swift

@@ -7,7 +7,19 @@
 
 import UIKit
 
-extension CellFactoryProtocol {
+public protocol CellFactory {
+    var numberOfSections:Int { get }
+    func numberOfRows(inSection section:Int) -> Int
+    func registerCells(on tableView:UITableView)
+    func cellFromTableView(tableView:UITableView, indexPath:IndexPath) -> UITableViewCell
+}
+
+public protocol CellFactoryDelegate {
+    func cellFactoryCellsChanged(_ factory: CellFactory)
+}
+
+// MARK: - Default methods implementation
+extension CellFactory {
     func dequeueReusableCell<T: ReusableCellProtocol>(type:T.Type, tableView:UITableView, indexPath: IndexPath) -> T {
         let cell = tableView.dequeueReusableCell(withIdentifier: T.kIdentifier, for: indexPath) as! T
         return cell
@@ -17,10 +29,3 @@ extension CellFactoryProtocol {
         tableView.register(type, forCellReuseIdentifier: T.kIdentifier)
     }
 }
-
-public protocol CellFactoryProtocol {
-    var numberOfSections:Int { get }
-    func numberOfRows(inSection section:Int) -> Int
-    func registerCells(on tableView:UITableView)
-    func cellFromTableView(tableView:UITableView, indexPath:IndexPath) -> UITableViewCell
-}

1Weather/UI/SharedCells/AdCells/BannerAdCell.swift

@@ -64,10 +64,12 @@ class BannerAdCell: UITableViewCell, AdCell {
 private extension BannerAdCell {
     func prepareCellStyle() {
         selectionStyle = .none
+        clipsToBounds = true
     }
     
     func prepareContainer() {
         container.layer.cornerRadius = 6
+        container.clipsToBounds = true
         contentView.addSubview(container)
         
         container.snp.makeConstraints { (make) in

1Weather/UI/SharedCells/AdCells/MRECAdCell.swift

@@ -26,7 +26,7 @@ class MRECAdCell: UITableViewCell, AdCell {
     override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
         super.init(style: style, reuseIdentifier: reuseIdentifier)
         
-        prepareCellStyle()
+        prepareCell()
         prepareContainer()
         prepareAd()
         prepareGradient()
@@ -58,8 +58,9 @@ class MRECAdCell: UITableViewCell, AdCell {
 
 //MARK:- Prepare
 private extension MRECAdCell {
-    func prepareCellStyle() {
+    func prepareCell() {
         selectionStyle = .none
+        clipsToBounds = true
     }
     
     func prepareContainer() {

1Weather/UI/View controllers/Forecast/ForecastViewController.swift

@@ -30,6 +30,7 @@ class ForecastViewController: UIViewController {
         self.coordinator = coordinator
         self.forecastCellFactory = ForecastCellFactory(viewModel: viewModel)
         super.init(nibName: nil, bundle: nil)
+        self.forecastCellFactory.delegate = self
     }
     
     required init?(coder: NSCoder) {
@@ -159,7 +160,6 @@ private extension ForecastViewController {
         tableView.separatorStyle = .none
         tableView.tableFooterView = UIView()
         tableView.estimatedRowHeight = UITableView.automaticDimension
-        tableView.rowHeight = UITableView.automaticDimension
         tableView.delegate = self
         tableView.dataSource = self
         view.addSubview(tableView)
@@ -247,6 +247,10 @@ extension ForecastViewController: UITableViewDataSource {
         return forecastCellFactory.cellFromTableView(tableView: tableView,
                                                                indexPath: indexPath)
     }
+    
+    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
+        forecastCellFactory.height(for: indexPath)
+    }
 }
 
 //MARK:- ViewModel Delegate
@@ -278,3 +282,9 @@ extension ForecastViewController: DaysControlViewDelegate {
         viewModel.offsetHolder.update(offset: offset)
     }
 }
+
+extension ForecastViewController: CellFactoryDelegate {
+    func cellFactoryCellsChanged(_ factory: CellFactory) {
+        self.tableView.reloadData()
+    }
+}

1Weather/UI/View controllers/Locations/Cells/LocationCellFactory.swift

@@ -8,7 +8,7 @@
 import UIKit
 import OneWeatherCore
 
-class LocationCellFactory: CellFactoryProtocol {
+class LocationCellFactory: CellFactory {
     //Private
     private let locationsViewModel:LocationsViewModel
     

1Weather/UI/View controllers/Menu/Cells/MenuCellFactory.swift

@@ -91,7 +91,7 @@ private struct SectionItem {
     let rows:[MenuRow]
 }
 
-class MenuCellFactory<T>: CellFactoryProtocol {
+class MenuCellFactory<T>: CellFactory {
     //Private
     private let menuViewModel:MenuViewModel
     private let sections:[SectionItem] = [SectionItem(type: .info, rows: [.settings]),

1Weather/UI/View controllers/NWSAlert/Cells/NWSAlertCellFactory.swift

@@ -72,8 +72,13 @@ fileprivate struct ExtendedInfoSection: NWSAlertTableViewSection {
     let rows: [NWSAlertCellType] = [.extendedInfoBlock]
 }
 
-class NWSAlertCellFactory: CellFactoryProtocol {
-    var alert: NWSAlert {
+class NWSAlertCellFactory: CellFactory {
+    fileprivate var sections: [NWSAlertTableViewSection]
+    private var adViewCache = [IndexPath: AdView]()
+    
+    public var delegate: CellFactoryDelegate?
+    
+    public var alert: NWSAlert {
         didSet {
             for i in 0..<sections.count {
                 sections[i].update(with: alert)
@@ -81,19 +86,28 @@ class NWSAlertCellFactory: CellFactoryProtocol {
         }
     }
     
-    init(alert: NWSAlert) {
+    public init(alert: NWSAlert) {
         self.alert = alert
         self.sections = [HeaderSection(alert: alert), ExtendedInfoSection(alert: alert)]
     }
     
-    fileprivate var sections: [NWSAlertTableViewSection]
-    private var adViewCache = [IndexPath: AdView]()
+    public func height(for indexPath: IndexPath) -> CGFloat {
+        let cellType = cellType(at: indexPath)
+        switch cellType {
+        case .adBanner: fallthrough
+        case .adMREC:
+            let adView = adView(for: indexPath)
+            return adView.adReady ? UITableView.automaticDimension : 0
+        default:
+            return UITableView.automaticDimension
+        }
+    }
     
-    var numberOfSections: Int {
+    public var numberOfSections: Int {
         return sections.count
     }
     
-    func numberOfRows(inSection section: Int) -> Int {
+    public func numberOfRows(inSection section: Int) -> Int {
         sections[section].numberOfRows
     }
     
@@ -102,6 +116,7 @@ class NWSAlertCellFactory: CellFactoryProtocol {
             return adView
         }
         let adView = adViewCache[indexPath] ?? AdView()
+        adView.delegate = self
         adView.loggingAlias = "⚠️ Alert Banner"
         adView.set(placementName: placementNameNWSAlertBanner, adType: .banner)
         adViewCache[indexPath] = adView
@@ -116,9 +131,14 @@ class NWSAlertCellFactory: CellFactoryProtocol {
         registerCell(type: MRECAdCell.self, tableView: tableView)
     }
     
-    func cellFromTableView(tableView: UITableView, indexPath: IndexPath) -> UITableViewCell {
+    private func cellType(at indexPath: IndexPath) -> NWSAlertCellType {
         let section = sections[indexPath.section]
         let type = section.type(forRow: indexPath.row)
+        return type
+    }
+    
+    public func cellFromTableView(tableView: UITableView, indexPath: IndexPath) -> UITableViewCell {
+        let type = cellType(at: indexPath)
         switch type {
         case .header:
             let alertCell = dequeueReusableCell(type: NWSAlertCell.self, tableView: tableView, indexPath: indexPath)
@@ -165,3 +185,22 @@ class NWSAlertCellFactory: CellFactoryProtocol {
         }
     }
 }
+
+// MARK: - AdViewDelegate
+extension NWSAlertCellFactory: AdViewDelegate {
+    func succeeded(adView: AdView, hadAdBefore: Bool) {
+        onMain {
+            if hadAdBefore != adView.adReady {
+                self.delegate?.cellFactoryCellsChanged(self)
+            }
+        }
+    }
+    
+    func failed(adView: AdView, hadAdBefore: Bool) {
+        onMain {
+            if hadAdBefore != adView.adReady {
+                self.delegate?.cellFactoryCellsChanged(self)
+            }
+        }
+    }
+}

1Weather/UI/View controllers/NWSAlert/NWSAlertViewController.swift

@@ -109,7 +109,7 @@ extension NWSAlertViewController: UITableViewDelegate, UITableViewDataSource {
     }
     
     func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
-        UITableView.automaticDimension
+        return viewModel.cellFactory.height(for: indexPath)
     }
     
     func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {

1Weather/UI/View controllers/Radar/Cells/RadarLayersCellFactory.swift

@@ -18,7 +18,7 @@ private struct LayerSection {
     let rowsCount:Int
 }
 
-class RadarLayersCellFactory: CellFactoryProtocol {
+class RadarLayersCellFactory: CellFactory {
     //Private
     private let radarViewModel:RadarViewModel
     private let sections:[LayerSection]

1Weather/UI/View controllers/Settings/Cells/SettingsCellFactory.swift

@@ -84,7 +84,7 @@ private struct SettingsDataSource {
     let rows:[SettingsRow]
 }
 
-class SettingsCellFactory: CellFactoryProtocol {
+class SettingsCellFactory: CellFactory {
     //Private
     private let viewModel: SettingsViewModel
     private let sections: [SettingsDataSource] = {

1Weather/UI/View controllers/Settings/Cells/SettingsDetailsCellFactory.swift

@@ -9,7 +9,7 @@ import UIKit
 import Localize_Swift
 import OneWeatherCore
 
-class SettingsDetailsCellFactory: CellFactoryProtocol {
+class SettingsDetailsCellFactory: CellFactory {
     //Private
     private let viewModel:SettingsDetailsViewModel
     

1Weather/UI/View controllers/Today/Cells/TodayCellFactory.swift

@@ -50,7 +50,7 @@ private struct TodaySection {
     }
 }
 
-class TodayCellFactory: CellFactoryProtocol {
+class TodayCellFactory: CellFactory {
     //Private
     private var cellsToUpdate:CellsToUpdate = [.condition, .timePeriod, .precipitation, .dayTime]
     private let todayViewModel:TodayViewModel
@@ -62,6 +62,7 @@ class TodayCellFactory: CellFactoryProtocol {
     private var adViewCache = [IndexPath: AdView]()
     
     //Public
+    public var delegate: CellFactoryDelegate?
     init(viewModel: TodayViewModel) {
         self.todayViewModel = viewModel
     }
@@ -93,6 +94,7 @@ class TodayCellFactory: CellFactoryProtocol {
             return adView
         }
         let adView = AdView()
+        adView.delegate = self
         adView.loggingAlias = "📍 Today Banner"
         var adType = AdType.banner
         if cellType(at: indexPath) == .adMREC {
@@ -172,6 +174,18 @@ class TodayCellFactory: CellFactoryProtocol {
         }
     }
     
+    public func height(for indexPath: IndexPath) -> CGFloat {
+        let cellType = cellType(at: indexPath)
+        switch cellType {
+        case .adBanner: fallthrough
+        case .adMREC:
+            let adView = adView(for: indexPath)
+            return adView.adReady ? UITableView.automaticDimension : 0
+        default:
+            return UITableView.automaticDimension
+        }
+    }
+    
     public func setNeedsUpdate() {
         cellsToUpdate = [.condition, .timePeriod, .precipitation, .dayTime]
         setupHiddenRows()
@@ -223,3 +237,22 @@ class TodayCellFactory: CellFactoryProtocol {
         todaySection.hiddenRows = rowsToHide
     }
 }
+
+// MARK: - AdViewDelegate
+extension TodayCellFactory: AdViewDelegate {
+    func succeeded(adView: AdView, hadAdBefore: Bool) {
+        onMain {
+            if hadAdBefore != adView.adReady {
+                self.delegate?.cellFactoryCellsChanged(self)
+            }
+        }
+    }
+    
+    func failed(adView: AdView, hadAdBefore: Bool) {
+        onMain {
+            if hadAdBefore != adView.adReady {
+                self.delegate?.cellFactoryCellsChanged(self)
+            }
+        }
+    }
+}

1Weather/UI/View controllers/Today/TodayViewController.swift

@@ -106,7 +106,6 @@ private extension TodayViewController {
         tableView.separatorStyle = .none
         tableView.tableFooterView = UIView()
         tableView.estimatedRowHeight = UITableView.automaticDimension
-        tableView.rowHeight = UITableView.automaticDimension
         tableView.delegate = self
         tableView.dataSource = self
         view.addSubview(tableView)
@@ -126,6 +125,10 @@ extension TodayViewController: UITableViewDataSource {
     func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         return viewModel.todayCellFactory.cellFromTableView(tableView: tableView, indexPath: indexPath)
     }
+    
+    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
+        return viewModel.todayCellFactory.height(for: indexPath)
+    }
 }
 
 //MARK:- UITableView Delegate

1Weather/ViewModels/NWSAlertViewModel.swift

@@ -25,6 +25,7 @@ class NWSAlertViewModel: ViewModelProtocol {
         cellFactory = NWSAlertCellFactory(alert: alert)
         alertsManager.delegates.add(delegate: self)
         NotificationCenter.default.addObserver(self, selector: #selector(handlePremiumStateChange), name: Notification.Name(rawValue: kEventInAppPurchasedCompleted), object: nil)
+        cellFactory.delegate = self
     }
     
     @objc
@@ -35,6 +36,7 @@ class NWSAlertViewModel: ViewModelProtocol {
     }
 }
 
+//MARK: - NWSAlertsManagerDelegate
 extension NWSAlertViewModel: NWSAlertsManagerDelegate {
     func alertsListDidChange(in alertsManager: NWSAlertsManager) {
         // do nothing
@@ -48,3 +50,10 @@ extension NWSAlertViewModel: NWSAlertsManagerDelegate {
         }
     }
 }
+
+extension NWSAlertViewModel: CellFactoryDelegate {
+    func cellFactoryCellsChanged(_ factory: CellFactory) {
+        delegate?.viewModelDidChange(model: self)
+    }
+}
+

1Weather/ViewModels/TodayViewModel.swift

@@ -23,7 +23,9 @@ class TodayViewModel: ViewModelProtocol {
     private(set) var location:Location?
     
     public lazy var todayCellFactory:TodayCellFactory = {
-        TodayCellFactory(viewModel: self)
+        let factory = TodayCellFactory(viewModel: self)
+        factory.delegate = self
+        return factory
     }()
     
     deinit {
@@ -129,3 +131,10 @@ extension TodayViewModel: SettingsDelegate {
         delegate?.viewModelDidChange(model: self)
     }
 }
+
+// MARK: CellFactoryDelegate
+extension TodayViewModel: CellFactoryDelegate {
+    func cellFactoryCellsChanged(_ factory: CellFactory) {
+        delegate?.viewModelDidChange(model: self)
+    }
+}