Added controls to navigation bar

1Weather.xcodeproj/project.pbxproj

@@ -38,6 +38,7 @@
 		CD82300325D69DE400A05501 /* CityConditionsCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD82300225D69DE400A05501 /* CityConditionsCell.swift */; };
 		CD82300725D6A73F00A05501 /* CityConditionButton.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD82300625D6A73E00A05501 /* CityConditionButton.swift */; };
 		CD82300A25D6B2AF00A05501 /* AppTabBarController.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD82300925D6B2AF00A05501 /* AppTabBarController.swift */; };
+		CD8343B925FBEFF60003101F /* DayControlsNavigationBar.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD8343B825FBEFF60003101F /* DayControlsNavigationBar.swift */; };
 		CD86245E25E646350097F3FB /* SunUvView.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD86245D25E646350097F3FB /* SunUvView.swift */; };
 		CD86246125E662BC0097F3FB /* SunUvLineView.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD86246025E662BC0097F3FB /* SunUvLineView.swift */; };
 		CD86246525E66E8A0097F3FB /* CityPrecipCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD86246425E66E8A0097F3FB /* CityPrecipCell.swift */; };
@@ -129,6 +130,7 @@
 		CD82300225D69DE400A05501 /* CityConditionsCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CityConditionsCell.swift; sourceTree = "<group>"; };
 		CD82300625D6A73E00A05501 /* CityConditionButton.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CityConditionButton.swift; sourceTree = "<group>"; };
 		CD82300925D6B2AF00A05501 /* AppTabBarController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppTabBarController.swift; sourceTree = "<group>"; };
+		CD8343B825FBEFF60003101F /* DayControlsNavigationBar.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DayControlsNavigationBar.swift; sourceTree = "<group>"; };
 		CD86245D25E646350097F3FB /* SunUvView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SunUvView.swift; sourceTree = "<group>"; };
 		CD86246025E662BC0097F3FB /* SunUvLineView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SunUvLineView.swift; sourceTree = "<group>"; };
 		CD86246425E66E8A0097F3FB /* CityPrecipCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CityPrecipCell.swift; sourceTree = "<group>"; };
@@ -458,6 +460,7 @@
 				CDD0F1ED25725BCF00CF5017 /* ThemeManager.swift */,
 				CD9B6B1025DBC723001D9B80 /* CubicCurveAlgorithm.swift */,
 				CD86246B25E6826A0097F3FB /* InnerShadowLayer.swift */,
+				CD8343B825FBEFF60003101F /* DayControlsNavigationBar.swift */,
 			);
 			path = Helpers;
 			sourceTree = "<group>";
@@ -735,6 +738,7 @@
 				CDC6126625E9085600188DA7 /* GraphLine.swift in Sources */,
 				CD86246525E66E8A0097F3FB /* CityPrecipCell.swift in Sources */,
 				CD80917B2578E4A8003541A4 /* UIViewController+Alert.swift in Sources */,
+				CD8343B925FBEFF60003101F /* DayControlsNavigationBar.swift in Sources */,
 				CEDE4F0F25EFA3B4007457E9 /* UpdatableModelObjectInTime.swift in Sources */,
 				CD3F6E6925FA59D4002DB99B /* ForecastDetailPeriodButton.swift in Sources */,
 				CD17C5F625D15B4400EE884E /* TodayViewController.swift in Sources */,

1Weather.xcodeproj/xcuserdata/dstepanets.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -7,7 +7,7 @@
 		<key>1Weather.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>5</integer>
+			<integer>3</integer>
 		</dict>
 		<key>PG (Playground) 1.xcscheme</key>
 		<dict>

1Weather/Coordinators/TodayCoordinator.swift

@@ -10,7 +10,7 @@ import UIKit
 class TodayCoordinator:Coordinator {
     //Private
     private let todayViewModel = TodayViewModel(locationManager: LocationManager.shared) // TODO: get rid of singleton maybe?
-    private let navigationController = UINavigationController(nibName: nil, bundle: nil)
+    private let navigationController = UINavigationController(navigationBarClass: DayControlsNavigationBar.self, toolbarClass: nil)
     private var tabBarController:UITabBarController?
     
     //Public

1Weather/UI/Helpers/DayControlsNavigationBar.swift

+//
+//  DayControlsNavigatoinBar.swift
+//  1Weather
+//
+//  Created by Dmitry Stepanets on 12.03.2021.
+//
+
+import UIKit
+
+class DayControlsNavigationBar: UINavigationBar {
+    private let customView = UIView()
+    private var contentView:UIView?
+    var controlsHeight:CGFloat = 0
+    
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        
+        customView.backgroundColor = .lightGray
+    }
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        
+        if contentView == nil {
+            self.findAndSetupContentView()
+        }
+        
+//        guard let contentView = self.contentView else {
+//            self.findAndSetupContentView()
+//            return
+//        }
+        
+//        contentView.frame.origin.y = -30
+//        customView.frame = .init(x: contentView.frame.origin.x,
+//                                 y: contentView.bounds.height,
+//                                 width: contentView.bounds.width,
+//                                 height: contentView.bounds.height)
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    //Public
+    public func showControls(progressValue:CGFloat) {
+        var progress = max(progressValue, 0)
+        progress = min(progress, 1)
+        
+        self.contentView?.frame.origin.y = -controlsHeight * progress
+        self.contentView?.subviews.forEach {
+            if $0 != customView {
+                $0.alpha = 1 - progress
+            }
+        }
+        
+        self.customView.frame.origin.y = contentView!.frame.origin.y + self.customView.frame.height + controlsHeight * progress
+        self.customView.alpha = progress
+    }
+    
+    //Private
+    private func findAndSetupContentView() {
+        subviews.forEach {
+            if String(cString: class_getName($0.classForCoder)) == "_UINavigationBarContentView" {
+                self.contentView = $0
+                self.contentView?.clipsToBounds = false
+                self.contentView?.addSubview(customView)
+                
+                self.customView.alpha = 0
+                self.customView.frame = .init(x: contentView!.frame.origin.x,
+                                              y: contentView!.frame.height,
+                                              width: contentView!.frame.width,
+                                              height: contentView!.frame.height)
+                self.controlsHeight = self.customView.frame.height
+                
+            }
+        }
+    }
+}

1Weather/UI/Helpers/DayControlsNavigatoinBar.swift

+//
+//  DayControlsNavigatoinBar.swift
+//  1Weather
+//
+//  Created by Dmitry Stepanets on 12.03.2021.
+//
+
+import UIKit
+
+class DayControlsNavigationBar: UINavigationBar {
+    private let customView = UIView()
+    private var contentView:UIView?
+    
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        
+        customView.backgroundColor = .red
+    }
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        
+        guard let contentView = self.contentView else {
+            self.findAndSetupContentView()
+            return
+        }
+        
+        contentView.frame.origin.y = -30
+        customView.frame = .init(x: contentView.frame.origin.x,
+                                 y: contentView.bounds.height,
+                                 width: contentView.bounds.width,
+                                 height: contentView.bounds.height)
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    private func findAndSetupContentView() {
+        subviews.forEach {
+            if String(cString: class_getName($0.classForCoder)) == "_UINavigationBarContentView" {
+                self.contentView = $0
+                self.contentView?.clipsToBounds = true
+                self.contentView?.addSubview(customView)
+            }
+        }
+    }
+}

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

@@ -20,6 +20,7 @@ private enum TodayCellType:Int, CaseIterable {
 
 class TodayCellFactory {
     public var onGetLocation:(() -> Location?)?
+    public var forecastPeriodCellFrame:CGRect = .zero
     public var numberOfRows:Int {
         return TodayCellType.allCases.count
     }
@@ -59,6 +60,7 @@ class TodayCellFactory {
             return cell
         case .forecastPeriod:
             let cell = dequeueReusableCell(type: CityForecastTimePeriodCell.self, tableView: tableView, indexPath: indexPath)
+            forecastPeriodCellFrame = cell.frame
             cell.configure(with: loc)
             return cell
         case .precipitation:

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

@@ -13,6 +13,7 @@ class TodayViewController: UIViewController {
     private let cityButton = NavigationCityButton()
     private let viewModel:TodayViewModel
     private let tableView = UITableView()
+    private var dayControlsNavigationBar:DayControlsNavigationBar?
     private var localizationObserver:Any?
     
     deinit {
@@ -68,6 +69,8 @@ private extension TodayViewController {
     }
         
     func prepareNavigationBar() {
+        self.dayControlsNavigationBar = self.navigationController?.navigationBar as? DayControlsNavigationBar
+        
         //City button
         cityButton.isHidden = true
         cityButton.addTarget(self, action: #selector(handleCityButton), for: .touchUpInside)
@@ -120,6 +123,24 @@ extension TodayViewController: UITableViewDataSource {
 
 //MARK:- UITableView Delegate
 extension TodayViewController: UITableViewDelegate {
+    func scrollViewDidScroll(_ scrollView: UIScrollView) {
+        let cellFrame = viewModel.todayCellFactory.forecastPeriodCellFrame
+        guard cellFrame.origin.y > 0 else { return }
+        
+        let controlsHeight = dayControlsNavigationBar?.controlsHeight ?? 0
+        let startPointY = cellFrame.origin.y + cellFrame.height - controlsHeight
+        
+        if scrollView.contentOffset.y >= startPointY {
+            let cellOffset = scrollView.contentOffset.y - startPointY
+            let progress = cellOffset / controlsHeight
+            dayControlsNavigationBar?.showControls(progressValue: progress)
+            print("progress: \(progress)")
+        }
+        else {
+            dayControlsNavigationBar?.showControls(progressValue: 0)
+        }
+    }
+    
     func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
         viewModel.todayCellFactory.willDisplay(cell: cell)
     }

Pods/Pods.xcodeproj/xcuserdata/dstepanets.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -21,7 +21,7 @@
 		<key>Cirque.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>6</integer>
+			<integer>4</integer>
 		</dict>
 		<key>Localize-Swift.xcscheme</key>
 		<dict>
@@ -33,26 +33,26 @@
 		<key>Localize-Swift.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>3</integer>
+			<integer>6</integer>
 		</dict>
 		<key>Pods-1Weather.xcscheme</key>
 		<dict>
 			<key>isShown</key>
 			<false/>
 			<key>orderHint</key>
-			<integer>2</integer>
+			<integer>1</integer>
 		</dict>
 		<key>SnapKit.xcscheme</key>
 		<dict>
 			<key>isShown</key>
 			<false/>
 			<key>orderHint</key>
-			<integer>3</integer>
+			<integer>2</integer>
 		</dict>
 		<key>XMLCoder.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>6</integer>
+			<integer>5</integer>
 		</dict>
 	</dict>
 	<key>SuppressBuildableAutocreation</key>