Repo created

iphone/Maps/UI/BottomMenu/TabBar/BottomTabBarViewController.swift

@@ -0,0 +1,131 @@
+
+class BottomTabBarViewController: UIViewController {
+  var presenter: BottomTabBarPresenterProtocol!
+
+  @IBOutlet var leftButton: MWMButton?
+  @IBOutlet var searchButton: MWMButton?
+  @IBOutlet var searchConstraintWithLeftButton: NSLayoutConstraint?
+  @IBOutlet var searchConstraintWithoutLeftButton: NSLayoutConstraint?
+  @IBOutlet var bookmarksButton: MWMButton?
+  @IBOutlet var bookmarksConstraintWithLeftButton: NSLayoutConstraint?
+  @IBOutlet var bookmarksConstraintWithoutLeftButton: NSLayoutConstraint?
+  @IBOutlet var moreButton: MWMButton?
+  @IBOutlet var downloadBadge: UIView?
+  
+  private var avaliableArea = CGRect.zero
+  @objc var isHidden: Bool = false {
+    didSet {
+      updateFrame(animated: true)
+    }
+  }
+  @objc var isApplicationBadgeHidden: Bool = true {
+    didSet {
+      updateBadge()
+    }
+  }
+  var tabBarView: BottomTabBarView {
+    return view as! BottomTabBarView
+  }
+  @objc static var controller: BottomTabBarViewController? {
+    return MWMMapViewControlsManager.manager()?.tabBarController
+  }
+  
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    presenter.configure()
+    
+    NotificationCenter.default.addObserver(forName: UserDefaults.didChangeNotification, object: nil, queue: nil) { _ in
+      DispatchQueue.main.async {
+        self.updateLeftButton()
+      }
+    }
+  }
+  
+  override func viewWillAppear(_ animated: Bool) {
+    super.viewWillAppear(animated)
+    
+    leftButton?.imageView?.contentMode = .scaleAspectFit
+    updateBadge()
+  }
+  
+  override func viewWillLayoutSubviews() {
+    super.viewWillLayoutSubviews()
+    updateLeftButton()
+  }
+  
+  static func updateAvailableArea(_ frame: CGRect) {
+    BottomTabBarViewController.controller?.updateAvailableArea(frame)
+  }
+  
+  @IBAction func onSearchButtonPressed(_ sender: Any) {
+    presenter.onSearchButtonPressed()
+  }
+  
+  @IBAction func onLeftButtonPressed(_ sender: Any) {
+    presenter.onLeftButtonPressed()
+  }
+  
+  @IBAction func onBookmarksButtonPressed(_ sender: Any) {
+    presenter.onBookmarksButtonPressed()
+  }
+  
+  @IBAction func onMenuButtonPressed(_ sender: Any) {
+    presenter.onMenuButtonPressed()
+  }
+  
+  private func updateAvailableArea(_ frame:CGRect) {
+    avaliableArea = frame
+    updateFrame(animated: false)
+    self.view.layoutIfNeeded()
+  }
+  
+  private func updateFrame(animated: Bool) {
+    if avaliableArea == .zero {
+      return
+    }
+    let newFrame = CGRect(x: avaliableArea.minX,
+                          y: isHidden ? avaliableArea.minY + avaliableArea.height : avaliableArea.minY,
+                          width: avaliableArea.width,
+                          height: avaliableArea.height)
+    let alpha:CGFloat = isHidden ? 0 : 1
+    if animated {
+      UIView.animate(withDuration: kDefaultAnimationDuration,
+                     delay: 0,
+                     options: [.beginFromCurrentState],
+                     animations: {
+        self.view.frame = newFrame
+        self.view.alpha = alpha
+      }, completion: nil)
+    } else {
+      self.view.frame = newFrame
+      self.view.alpha = alpha
+    }
+  }
+  
+  private func updateLeftButton() {
+    let leftButtonType = Settings.leftButtonType
+    if leftButtonType == .hidden {
+      leftButton?.isHidden = true
+
+      if let searchConstraintWithLeftButton, let searchConstraintWithoutLeftButton, let bookmarksConstraintWithLeftButton, let bookmarksConstraintWithoutLeftButton {
+        NSLayoutConstraint.activate([searchConstraintWithoutLeftButton, bookmarksConstraintWithoutLeftButton])
+        NSLayoutConstraint.deactivate([searchConstraintWithLeftButton, bookmarksConstraintWithLeftButton])
+      }
+    } else {
+      leftButton?.isHidden = false
+
+      leftButton?.setTitle(nil, for: .normal)
+      leftButton?.setImage(leftButtonType.image, for: .normal)
+      leftButton?.accessibilityLabel = leftButtonType.description;
+
+      if let searchConstraintWithLeftButton, let searchConstraintWithoutLeftButton, let bookmarksConstraintWithLeftButton, let bookmarksConstraintWithoutLeftButton {
+        NSLayoutConstraint.activate([searchConstraintWithLeftButton, bookmarksConstraintWithLeftButton])
+        NSLayoutConstraint.deactivate([searchConstraintWithoutLeftButton, bookmarksConstraintWithoutLeftButton])
+      }
+    }
+  }
+  
+  private func updateBadge() {
+    downloadBadge?.isHidden = isApplicationBadgeHidden
+  }
+}