Update to 1.6.2

New width for parent controller.

.gitignore

@@ -1 +1,38 @@
+# Mac OS X
 .DS_Store
+
+# Xcode
+## Build generated
+build/
+DerivedData
+
+## Various settings
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+
+## Other
+*.xccheckout
+*.moved-aside
+*.xcuserstate
+*.xcscmblueprint
+
+## Obj-C/Swift specific
+*.hmap
+*.ipa
+
+## Playgrounds
+timeline.xctimeline
+playground.xcworkspace
+
+# Swift Package Manager
+.build/
+
+# Carthage
+Carthage/Build

Example/stork-controller/AppDelegate.swift

@@ -7,6 +7,10 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
+        
+        let navigationController = UINavigationController(rootViewController: Controller())
+        self.launch(rootViewController: navigationController)
+        
         return true
     }
 
@@ -32,6 +36,12 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
     }
 
+    func launch(rootViewController: UIViewController) {
+        let frame = UIScreen.main.bounds
+        self.window = UIWindow(frame: frame)
+        self.window!.rootViewController = rootViewController
+        self.window!.makeKeyAndVisible()
+    }
 
 }
 

Example/stork-controller/Base.lproj/Main.storyboard

@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
-    <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
-        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
-        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
-    </dependencies>
-    <scenes>
-        <!--View Controller-->
-        <scene sceneID="tne-QT-ifu">
-            <objects>
-                <viewController id="BYZ-38-t0r" customClass="ViewController" customModuleProvider="target" sceneMemberID="viewController">
-                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
-                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
-                    </view>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
-            </objects>
-        </scene>
-    </scenes>
-</document>

Example/stork-controller/Controller.swift

@@ -0,0 +1,43 @@
+import UIKit
+
+class Controller: UIViewController {
+    
+    var presentControllerButton = UIButton.init(type: UIButton.ButtonType.system)
+    var presentTableControllerButton = UIButton.init(type: UIButton.ButtonType.system)
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        self.view.backgroundColor = UIColor.white
+        
+        self.presentControllerButton.setTitle("Show ViewController", for: .normal)
+        self.presentControllerButton.addTarget(self, action: #selector(self.presentModalViewController), for: .touchUpInside)
+        self.presentControllerButton.sizeToFit()
+        self.presentControllerButton.center.x = self.view.frame.width  / 2
+        self.presentControllerButton.center.y = self.view.frame.height / 4 * 3
+        self.view.addSubview(self.presentControllerButton)
+        
+        self.presentTableControllerButton.setTitle("Show TableController", for: .normal)
+        self.presentTableControllerButton.addTarget(self, action: #selector(self.presentModalTableViewController), for: .touchUpInside)
+        self.presentTableControllerButton.sizeToFit()
+        self.presentTableControllerButton.center.x = self.view.frame.width  / 2
+        self.presentTableControllerButton.frame.origin.y = self.presentControllerButton.frame.bottomY + 10
+        self.view.addSubview(self.presentTableControllerButton)
+    }
+    
+    @objc func presentModalViewController() {
+        let modal = ModalViewController()
+        let transitionDelegate = SPStorkTransitioningDelegate()
+        modal.transitioningDelegate = transitionDelegate
+        modal.modalPresentationStyle = .custom
+        self.present(modal, animated: true, completion: nil)
+    }
+    
+    @objc func presentModalTableViewController() {
+        let modal = ModalTableViewController()
+        let transitionDelegate = SPStorkTransitioningDelegate()
+        modal.transitioningDelegate = transitionDelegate
+        modal.modalPresentationStyle = .custom
+        self.present(modal, animated: true, completion: nil)
+    }
+}

Example/stork-controller/Frameworks/SPFakeBar/SPFakeBarNavigationStyle.swift

@@ -21,7 +21,10 @@
 
 import UIKit
 
-public struct SPStyleKit {
+public enum SPFakeBarNavigationStyle {
     
-    private init() {}
+    case large
+    case small
+    case stork
+    case noContent
 }

Example/stork-controller/Frameworks/SPFakeBar/SPFakeBarView.swift

@@ -0,0 +1,250 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+open class SPFakeBarView: UIView {
+    
+    public var style: SPFakeBarNavigationStyle = .small {
+        didSet {
+            self.updateStyle()
+        }
+    }
+    
+    private var settedHeight: CGFloat = 0
+    public var height: CGFloat {
+        get {
+            return (self.settedHeight) + (self.addStatusBarHeight ? UIApplication.shared.statusBarFrame.height : 0)
+        }
+        set {
+            self.settedHeight = newValue
+            self.updateHeight()
+        }
+        
+    }
+    
+    public var addStatusBarHeight: Bool = true {
+        didSet {
+            self.updateHeight()
+        }
+    }
+    
+    public var elementsColor: UIColor = SPFakeBarView.navigationElementsColor {
+        didSet {
+            self.leftButton.setTitleColor(self.elementsColor, for: .normal)
+            self.leftButton.setTitleColor(self.elementsColor.withAlphaComponent(0.7), for: .highlighted)
+            self.rightButton.setTitleColor(self.elementsColor, for: .normal)
+            self.rightButton.setTitleColor(self.elementsColor.withAlphaComponent(0.7), for: .highlighted)
+        }
+    }
+    
+    public var closeButtonPossition: CloseButtonPosition = .none {
+        didSet {
+            self.leftButton.titleLabel?.font = UIFont.systemFont(ofSize: 17, weight: .regular)
+            self.rightButton.titleLabel?.font = UIFont.systemFont(ofSize: 17, weight: .regular)
+            switch self.closeButtonPossition {
+            case .left:
+                self.leftButton.titleLabel?.font = UIFont.systemFont(ofSize: 17, weight: .semibold)
+            case .right:
+                self.rightButton.titleLabel?.font = UIFont.systemFont(ofSize: 17, weight: .semibold)
+            case .none:
+                break
+            }
+        }
+    }
+    
+    public var titleLabel = UILabel.init()
+    public var subtitleLabel = UILabel.init()
+    public var leftButton = UIButton.init()
+    public var rightButton = UIButton.init()
+    
+    public let separatorView = UIView()
+    public let blurView: UIVisualEffectView = {
+        let effect = UIBlurEffect(style: .extraLight)
+        return UIVisualEffectView.init(effect: effect)
+    }()
+    
+    private var titleBottomConstraint: NSLayoutConstraint?
+    private var heightConstraint: NSLayoutConstraint?
+    private var topConstraint: NSLayoutConstraint?
+    private var leadingConstraint: NSLayoutConstraint?
+    private var trailingConstraint: NSLayoutConstraint?
+    
+    public init(style: SPFakeBarNavigationStyle) {
+        super.init(frame: CGRect.zero)
+        self.style = style
+        self.commonInit()
+    }
+    
+    required public init?(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+        self.style = .small
+        self.commonInit()
+    }
+    
+    private func commonInit() {
+        self.translatesAutoresizingMaskIntoConstraints = false
+        
+        self.addSubview(self.blurView)
+        self.blurView.translatesAutoresizingMaskIntoConstraints = false
+        self.blurView.leadingAnchor.constraint(equalTo: self.leadingAnchor).isActive = true
+        self.blurView.trailingAnchor.constraint(equalTo: self.trailingAnchor).isActive = true
+        self.blurView.topAnchor.constraint(equalTo: self.topAnchor).isActive = true
+        self.blurView.bottomAnchor.constraint(equalTo: self.bottomAnchor).isActive = true
+        
+        self.addSubview(self.separatorView)
+        self.separatorView.backgroundColor = UIColor.init(red: 191 / 255.0, green: 191 / 255.0, blue: 191 / 255.0, alpha: 1)
+        self.separatorView.translatesAutoresizingMaskIntoConstraints = false
+        self.separatorView.leadingAnchor.constraint(equalTo: self.leadingAnchor).isActive = true
+        self.separatorView.trailingAnchor.constraint(equalTo: self.trailingAnchor).isActive = true
+        self.separatorView.bottomAnchor.constraint(equalTo: self.bottomAnchor).isActive = true
+        self.separatorView.heightAnchor.constraint(equalToConstant: 0.5).isActive = true
+        
+        self.addSubview(self.titleLabel)
+        self.titleLabel.translatesAutoresizingMaskIntoConstraints = false
+        self.titleLabel.leadingAnchor.constraint(equalTo: self.leadingAnchor, constant: 16).isActive = true
+        self.titleLabel.trailingAnchor.constraint(equalTo: self.trailingAnchor, constant: -16).isActive = true
+        self.titleBottomConstraint = self.titleLabel.bottomAnchor.constraint(equalTo: self.bottomAnchor, constant: -12)
+        self.titleBottomConstraint?.isActive = true
+        
+        self.addSubview(self.subtitleLabel)
+        self.subtitleLabel.textColor = UIColor.init(red: 142 / 255.0, green: 142 / 255.0, blue: 146 / 255.0, alpha: 1)
+        self.subtitleLabel.font = UIFont.systemFont(ofSize: 13, weight: .semibold)
+        self.subtitleLabel.translatesAutoresizingMaskIntoConstraints = false
+        self.subtitleLabel.leadingAnchor.constraint(equalTo: self.leadingAnchor, constant: 16).isActive = true
+        self.subtitleLabel.trailingAnchor.constraint(equalTo: self.trailingAnchor, constant: -16).isActive = true
+        self.subtitleLabel.bottomAnchor.constraint(equalTo: self.titleLabel.topAnchor, constant: 0).isActive = true
+        
+        self.leftButton.setTitleColor(self.elementsColor, for: .normal)
+        self.leftButton.setTitleColor(self.elementsColor.withAlphaComponent(0.7), for: .highlighted)
+        self.leftButton.titleLabel?.textAlignment = .left
+        self.leftButton.titleLabel?.font = UIFont.systemFont(ofSize: 16, weight: .semibold)
+        self.leftButton.contentEdgeInsets = UIEdgeInsets(top: 0, left: 17, bottom: 0, right: 0)
+        self.addSubview(self.leftButton)
+        self.leftButton.translatesAutoresizingMaskIntoConstraints = false
+        self.leftButton.leadingAnchor.constraint(equalTo: self.leadingAnchor).isActive = true
+        self.leftButton.bottomAnchor.constraint(equalTo: self.bottomAnchor, constant: -12).isActive = true
+        
+        self.rightButton.setTitleColor(self.elementsColor, for: .normal)
+        self.rightButton.setTitleColor(self.elementsColor.withAlphaComponent(0.7), for: .highlighted)
+        self.rightButton.titleLabel?.textAlignment = .right
+        self.rightButton.titleLabel?.font = UIFont.systemFont(ofSize: 17, weight: .semibold)
+        self.rightButton.contentEdgeInsets = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 16)
+        self.addSubview(self.rightButton)
+        self.rightButton.translatesAutoresizingMaskIntoConstraints = false
+        self.rightButton.trailingAnchor.constraint(equalTo: self.trailingAnchor).isActive = true
+        self.rightButton.bottomAnchor.constraint(equalTo: self.bottomAnchor, constant: -12).isActive = true
+        
+        self.closeButtonPossition = .none
+        
+        self.setContraints()
+        self.updateStyle()
+    }
+    
+    override open func layoutSubviews() {
+        super.layoutSubviews()
+        self.setContraints()
+    }
+    
+    private func setContraints() {
+        if let superview = self.superview {
+            if self.topConstraint == nil {
+                
+                self.topConstraint = self.topAnchor.constraint(equalTo: superview.topAnchor)
+                self.topConstraint?.isActive = true
+                self.leadingConstraint = self.leadingAnchor.constraint(equalTo: superview.leadingAnchor)
+                self.leadingConstraint?.isActive = true
+                self.trailingConstraint = self.trailingAnchor.constraint(equalTo: superview.trailingAnchor)
+                self.trailingConstraint?.isActive = true
+                
+                self.heightConstraint = self.heightAnchor.constraint(equalToConstant: self.height)
+                self.heightConstraint?.isActive = true
+                self.updateHeight()
+            }
+        }
+    }
+    
+    private func updateStyle() {
+        switch self.style {
+        case .small:
+            if UIApplication.shared.statusBarFrame.height == 44 {
+                self.height = 88 - 44
+                self.titleBottomConstraint?.constant = -12
+            } else {
+                self.height = 64 - 20
+                self.titleBottomConstraint?.constant = -12
+            }
+            self.addStatusBarHeight = true
+            self.titleLabel.font = UIFont.systemFont(ofSize: 17, weight: .semibold)
+            self.titleLabel.textAlignment = .center
+        case .stork:
+            self.height = 66
+            self.titleBottomConstraint?.constant = -12
+            self.addStatusBarHeight = false
+            self.titleLabel.font = UIFont.systemFont(ofSize: 17, weight: .semibold)
+            self.titleLabel.textAlignment = .center
+        case .large:
+            if UIApplication.shared.statusBarFrame.height == 44 {
+                self.height = 140 - 44
+                self.titleBottomConstraint?.constant = -8
+            } else {
+                self.height = 116 - 20
+                self.titleBottomConstraint?.constant = -4
+            }
+            self.addStatusBarHeight = true
+            self.titleLabel.font = UIFont.systemFont(ofSize: 34, weight: .bold)
+            self.titleLabel.textAlignment = .left
+            break
+        case .noContent:
+            self.height = 0
+            self.addStatusBarHeight = true
+        }
+        
+        self.updateConstraints()
+    }
+    
+    private func updateHeight() {
+        self.heightConstraint?.constant = self.height
+        self.updateConstraints()
+    }
+    
+    public enum CloseButtonPosition {
+        case left
+        case right
+        case none
+    }
+}
+
+extension SPFakeBarView {
+    
+    static var navigationElementsColor: UIColor {
+        get {
+            if UINavigationBar.appearance().tintColor != nil {
+                return UINavigationBar.appearance().tintColor
+            } else {
+                return UIColor.init(red: 0 / 255.0, green: 122 / 255.0, blue: 255 / 255.0, alpha: 1)
+            }
+        }
+        set {
+            UINavigationBar.appearance().tintColor = newValue
+        }
+    }
+}

Example/stork-controller/Frameworks/SPStorkController/CodeDraw/SPStorkCodeDraw.swift

@@ -0,0 +1,88 @@
+import UIKit
+
+class SPStorkCodeDraw : NSObject {
+    
+    private struct Cache {
+        static let gradient: CGGradient = CGGradient(colorsSpace: nil, colors: [UIColor.red.cgColor, UIColor.red.cgColor] as CFArray, locations: [0, 1])!
+    }
+    
+    @objc dynamic class var gradient: CGGradient { return Cache.gradient }
+    
+    @objc dynamic class func drawClose(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 100, height: 100), resizing: ResizingBehavior = .aspectFit, color: UIColor = UIColor(red: 0.000, green: 0.000, blue: 0.000, alpha: 1.000)) {
+        
+        let context = UIGraphicsGetCurrentContext()!
+        
+        context.saveGState()
+        let resizedFrame: CGRect = resizing.apply(rect: CGRect(x: 0, y: 0, width: 100, height: 100), target: targetFrame)
+        context.translateBy(x: resizedFrame.minX, y: resizedFrame.minY)
+        context.scaleBy(x: resizedFrame.width / 100, y: resizedFrame.height / 100)
+        
+        let bezierPath = UIBezierPath()
+        bezierPath.move(to: CGPoint(x: 92.02, y: 22.92))
+        bezierPath.addLine(to: CGPoint(x: 64.42, y: 50.52))
+        bezierPath.addLine(to: CGPoint(x: 92.02, y: 78.13))
+        bezierPath.addCurve(to: CGPoint(x: 92.02, y: 92.99), controlPoint1: CGPoint(x: 96.13, y: 82.23), controlPoint2: CGPoint(x: 96.13, y: 88.89))
+        bezierPath.addCurve(to: CGPoint(x: 84.59, y: 96.07), controlPoint1: CGPoint(x: 89.97, y: 95.05), controlPoint2: CGPoint(x: 87.28, y: 96.07))
+        bezierPath.addCurve(to: CGPoint(x: 77.16, y: 92.99), controlPoint1: CGPoint(x: 81.9, y: 96.07), controlPoint2: CGPoint(x: 79.22, y: 95.05))
+        bezierPath.addLine(to: CGPoint(x: 49.55, y: 65.38))
+        bezierPath.addLine(to: CGPoint(x: 21.95, y: 92.99))
+        bezierPath.addCurve(to: CGPoint(x: 14.51, y: 96.07), controlPoint1: CGPoint(x: 19.89, y: 95.05), controlPoint2: CGPoint(x: 17.2, y: 96.07))
+        bezierPath.addCurve(to: CGPoint(x: 7.08, y: 92.99), controlPoint1: CGPoint(x: 11.82, y: 96.07), controlPoint2: CGPoint(x: 9.13, y: 95.05))
+        bezierPath.addCurve(to: CGPoint(x: 7.08, y: 78.13), controlPoint1: CGPoint(x: 2.97, y: 88.89), controlPoint2: CGPoint(x: 2.97, y: 82.23))
+        bezierPath.addLine(to: CGPoint(x: 34.69, y: 50.52))
+        bezierPath.addLine(to: CGPoint(x: 7.08, y: 22.92))
+        bezierPath.addCurve(to: CGPoint(x: 7.08, y: 8.04), controlPoint1: CGPoint(x: 2.97, y: 18.8), controlPoint2: CGPoint(x: 2.97, y: 12.15))
+        bezierPath.addCurve(to: CGPoint(x: 21.94, y: 8.04), controlPoint1: CGPoint(x: 11.18, y: 3.94), controlPoint2: CGPoint(x: 17.84, y: 3.94))
+        bezierPath.addLine(to: CGPoint(x: 49.55, y: 35.65))
+        bezierPath.addLine(to: CGPoint(x: 77.16, y: 8.04))
+        bezierPath.addCurve(to: CGPoint(x: 92.02, y: 8.04), controlPoint1: CGPoint(x: 81.26, y: 3.94), controlPoint2: CGPoint(x: 87.92, y: 3.94))
+        bezierPath.addCurve(to: CGPoint(x: 92.02, y: 22.92), controlPoint1: CGPoint(x: 96.13, y: 12.15), controlPoint2: CGPoint(x: 96.13, y: 18.8))
+        bezierPath.close()
+        color.setFill()
+        bezierPath.fill()
+        
+        context.restoreGState()
+        
+    }
+    
+    @objc(StyleKitNameResizingBehavior)
+    enum ResizingBehavior: Int {
+        case aspectFit
+        case aspectFill
+        case stretch
+        case center
+        
+        func apply(rect: CGRect, target: CGRect) -> CGRect {
+            if rect == target || target == CGRect.zero {
+                return rect
+            }
+            
+            var scales = CGSize.zero
+            scales.width = abs(target.width / rect.width)
+            scales.height = abs(target.height / rect.height)
+            
+            switch self {
+            case .aspectFit:
+                scales.width = min(scales.width, scales.height)
+                scales.height = scales.width
+            case .aspectFill:
+                scales.width = max(scales.width, scales.height)
+                scales.height = scales.width
+            case .stretch:
+                break
+            case .center:
+                scales.width = 1
+                scales.height = 1
+            }
+            
+            var result = rect.standardized
+            result.size.width *= scales.width
+            result.size.height *= scales.height
+            result.origin.x = target.minX + (target.width - result.width) / 2
+            result.origin.y = target.minY + (target.height - result.height) / 2
+            return result
+        }
+    }
+    
+    private override init() {}
+}

Example/stork-controller/Frameworks/SPStorkController/Extenshion/SPStorkViewControllerExtenshion.swift

@@ -0,0 +1,52 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+extension UIViewController {
+    
+    public var isPresentedAsStork: Bool {
+        return transitioningDelegate is SPStorkTransitioningDelegate
+            && modalPresentationStyle == .custom
+            && presentingViewController != nil
+    }
+    
+    public func presentAsStork(_ controller: UIViewController, height: CGFloat? = nil) {
+        let transitionDelegate = SPStorkTransitioningDelegate()
+        transitionDelegate.customHeight = height
+        controller.transitioningDelegate = transitionDelegate
+        controller.modalPresentationStyle = .custom
+        controller.modalPresentationCapturesStatusBarAppearance = true
+        self.present(controller, animated: true, completion: nil)
+    }
+    
+    public func presentAsStork(_ controller: UIViewController, height: CGFloat?, showIndicator: Bool, hideIndicatorWhenScroll: Bool, showCloseButton: Bool, complection: (() -> Void)?) {
+        let transitionDelegate = SPStorkTransitioningDelegate()
+        transitionDelegate.customHeight = height
+        transitionDelegate.showCloseButton = showCloseButton
+        transitionDelegate.showIndicator = showIndicator
+        transitionDelegate.hideIndicatorWhenScroll = hideIndicatorWhenScroll
+        controller.transitioningDelegate = transitionDelegate
+        controller.modalPresentationStyle = .custom
+        controller.modalPresentationCapturesStatusBarAppearance = true
+        self.present(controller, animated: true, completion: complection)
+    }
+}

Example/stork-controller/Frameworks/SPStorkController/Models/SPStorkHaptic.swift

@@ -21,6 +21,9 @@
 
 import UIKit
 
-func + (left: CGPoint, right: CGPoint) -> CGPoint {
-    return CGPoint(x: left.x + right.x, y: left.y + right.y)
+public enum SPStorkHapticMoments {
+    
+    case willPresent
+    case willDismiss
+    case willDismissIfRelease
 }

Example/stork-controller/Frameworks/SPStorkController/Protocols/SPStorkControllerDelegate.swift

@@ -21,13 +21,9 @@
 
 import UIKit
 
-public extension UIDevice {
+@objc public protocol SPStorkControllerDelegate: class {
     
-    public var isIphone: Bool {
-        return UIDevice.current.userInterfaceIdiom == .phone
-    }
+    @objc optional func didDismissStorkBySwipe()
     
-    public var isIpad: Bool {
-        return UIDevice.current.userInterfaceIdiom == .pad
-    }
+    @objc optional func didDismissStorkByTap()
 }

Example/stork-controller/Frameworks/SPStorkController/SPStorkController.swift

@@ -0,0 +1,86 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+public struct SPStorkController {
+    
+    static public func scrollViewDidScroll(_ scrollView: UIScrollView) {
+        if let controller = self.controller(for: scrollView) {
+            if let presentationController = controller.presentationController as? SPStorkPresentationController {
+                let translation = -(scrollView.contentOffset.y + scrollView.contentInset.top)
+                if translation >= 0 {
+                    if controller.isBeingPresented { return }
+                    scrollView.subviews.forEach {
+                        $0.transform = CGAffineTransform(translationX: 0, y: -translation)
+                    }
+                    presentationController.setIndicator(style: scrollView.isTracking ? .line : .arrow)
+                    if translation >= presentationController.translateForDismiss * 0.4 {
+                        if !scrollView.isTracking && !scrollView.isDragging {
+                            presentationController.presentedViewController.dismiss(animated: true, completion: {
+                                presentationController.storkDelegate?.didDismissStorkBySwipe?()
+                            })
+                            return
+                        }
+                    }
+                    if presentationController.pan?.state != UIGestureRecognizer.State.changed {
+                        presentationController.scrollViewDidScroll(translation * 2)
+                    }
+                } else {
+                    presentationController.setIndicator(style: .arrow)
+                    presentationController.scrollViewDidScroll(0)
+                }
+                
+                if translation < -5 {
+                    presentationController.setIndicator(visible: false, forse: (translation < -50))
+                } else {
+                    presentationController.setIndicator(visible: true, forse: false)
+                }
+            }
+        }
+    }
+    
+    static public var topScrollIndicatorInset: CGFloat {
+        return 6
+    }
+    
+    static public func updatePresentingController(parent controller: UIViewController) {
+        if let presentationController = controller.presentedViewController?.presentationController as? SPStorkPresentationController {
+            presentationController.updatePresentingController()
+        }
+    }
+    
+    static public func updatePresentingController(modal controller: UIViewController) {
+        if let presentationController = controller.presentationController as? SPStorkPresentationController {
+            presentationController.updatePresentingController()
+        }
+    }
+    
+    static private func controller(for view: UIView) -> UIViewController? {
+        var nextResponder = view.next
+        while nextResponder != nil && !(nextResponder! is UIViewController) {
+            nextResponder = nextResponder!.next
+        }
+        return nextResponder as? UIViewController
+    }
+    
+    private init() {}
+}

Example/stork-controller/Frameworks/SPStorkController/TransitioningDelegate/SPStorkDismissingAnimationController.swift

@@ -28,9 +28,12 @@ final class SPStorkDismissingAnimationController: NSObject, UIViewControllerAnim
         guard let presentedViewController = transitionContext.viewController(forKey: .from) else {
             return
         }
+
+        let finalFrameForPresentedView = transitionContext.finalFrame(for: presentedViewController)
         
         let containerView = transitionContext.containerView
-        let offscreenFrame = CGRect(x: 0, y: containerView.bounds.height, width: containerView.bounds.width, height: containerView.bounds.height)
+        let offscreenFrame = CGRect(x: 0, y: containerView.bounds.height, width: finalFrameForPresentedView.width, height: finalFrameForPresentedView.height)
+        
         UIView.animate(
             withDuration: transitionDuration(using: transitionContext),
             delay: 0,

Example/stork-controller/Frameworks/SPStorkController/TransitioningDelegate/SPStorkPresentationController.swift

@@ -0,0 +1,520 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+class SPStorkPresentationController: UIPresentationController, UIGestureRecognizerDelegate {
+    
+    var swipeToDismissEnabled: Bool = true
+    var tapAroundToDismissEnabled: Bool = true
+    var showCloseButton: Bool = false
+    var showIndicator: Bool = true
+    var indicatorColor: UIColor = UIColor.init(red: 202/255, green: 201/255, blue: 207/255, alpha: 1)
+    var hideIndicatorWhenScroll: Bool = false
+    var customHeight: CGFloat? = nil
+    var translateForDismiss: CGFloat = 200
+    var hapticMoments: [SPStorkHapticMoments] = [.willDismissIfRelease]
+    
+    var transitioningDelegate: SPStorkTransitioningDelegate?
+    weak var storkDelegate: SPStorkControllerDelegate?
+    
+    var pan: UIPanGestureRecognizer?
+    var tap: UITapGestureRecognizer?
+    
+    private var closeButton = SPStorkCloseButton()
+    private var indicatorView = SPStorkIndicatorView()
+    private var gradeView: UIView = UIView()
+    private let snapshotViewContainer = UIView()
+    private var snapshotView: UIView?
+    private let backgroundView = UIView()
+    
+    private var snapshotViewTopConstraint: NSLayoutConstraint?
+    private var snapshotViewWidthConstraint: NSLayoutConstraint?
+    private var snapshotViewAspectRatioConstraint: NSLayoutConstraint?
+    
+    private var workGester: Bool = false
+    private var startDismissing: Bool = false
+    private var afterReleaseDismissing: Bool = false
+    
+    private var topSpace: CGFloat {
+        let statusBarHeight: CGFloat = UIApplication.shared.statusBarFrame.height
+        return (statusBarHeight < 25) ? 30 : statusBarHeight
+    }
+    
+    private let alpha: CGFloat =  0.51
+    var cornerRadius: CGFloat = 10
+    
+    private var scaleForPresentingView: CGFloat {
+        guard let containerView = containerView else { return 0 }
+        let factor = 1 - ((self.cornerRadius + 2) * 2 / containerView.frame.width)
+        return factor
+    }
+    
+    private var feedbackGenerator: UIImpactFeedbackGenerator = UIImpactFeedbackGenerator(style: .light)
+    
+    override var frameOfPresentedViewInContainerView: CGRect {
+        guard let containerView = containerView else { return .zero }
+        let baseY: CGFloat = self.topSpace + 13
+        let maxHeight: CGFloat = containerView.bounds.height - baseY
+        var height: CGFloat = maxHeight
+        
+        if let customHeight = self.customHeight {
+            if customHeight < maxHeight {
+                height = customHeight
+            } else {
+                print("SPStorkController - Custom height change to default value. Your height more maximum value")
+            }
+        }
+        return CGRect(x: 0, y: containerView.bounds.height - height, width: containerView.bounds.width, height: height)
+    }
+    
+    override func presentationTransitionWillBegin() {
+        super.presentationTransitionWillBegin()
+        
+        if !self.hapticMoments.isEmpty {
+            self.feedbackGenerator.prepare()
+        }
+        
+        guard let containerView = self.containerView, let presentedView = self.presentedView, let window = containerView.window  else { return }
+        
+        if self.showIndicator {
+            self.indicatorView.color = self.indicatorColor
+            let tap = UITapGestureRecognizer.init(target: self, action: #selector(self.dismissAction))
+            tap.cancelsTouchesInView = false
+            self.indicatorView.addGestureRecognizer(tap)
+            presentedView.addSubview(self.indicatorView)
+        }
+        self.updateLayoutIndicator()
+        self.indicatorView.style = .arrow
+        self.gradeView.alpha = 0
+        
+        if self.showCloseButton {
+            self.closeButton.addTarget(self, action: #selector(self.dismissAction), for: .touchUpInside)
+            presentedView.addSubview(self.closeButton)
+        }
+        self.updateLayoutCloseButton()
+        
+        let initialFrame: CGRect = presentingViewController.isPresentedAsStork ? presentingViewController.view.frame : containerView.bounds
+        
+        containerView.insertSubview(self.snapshotViewContainer, belowSubview: presentedViewController.view)
+        self.snapshotViewContainer.frame = initialFrame
+        self.updateSnapshot()
+        self.snapshotView?.layer.cornerRadius = 0
+        self.backgroundView.backgroundColor = UIColor.black
+        self.backgroundView.translatesAutoresizingMaskIntoConstraints = false
+        containerView.insertSubview(self.backgroundView, belowSubview: self.snapshotViewContainer)
+        NSLayoutConstraint.activate([
+            self.backgroundView.topAnchor.constraint(equalTo: window.topAnchor),
+            self.backgroundView.leftAnchor.constraint(equalTo: window.leftAnchor),
+            self.backgroundView.rightAnchor.constraint(equalTo: window.rightAnchor),
+            self.backgroundView.bottomAnchor.constraint(equalTo: window.bottomAnchor)
+        ])
+        
+        let transformForSnapshotView = CGAffineTransform.identity
+            .translatedBy(x: 0, y: -snapshotViewContainer.frame.origin.y)
+            .translatedBy(x: 0, y: self.topSpace)
+            .translatedBy(x: 0, y: -snapshotViewContainer.frame.height / 2)
+            .scaledBy(x: scaleForPresentingView, y: scaleForPresentingView)
+            .translatedBy(x: 0, y: snapshotViewContainer.frame.height / 2)
+        
+        self.addCornerRadiusAnimation(for: self.snapshotView, cornerRadius: self.cornerRadius, duration: 0.6)
+        self.snapshotView?.layer.masksToBounds = true
+        if #available(iOS 11.0, *) {
+            presentedView.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
+        }
+        presentedView.layer.cornerRadius = self.cornerRadius
+        presentedView.layer.masksToBounds = true
+        
+        var rootSnapshotView: UIView?
+        var rootSnapshotRoundedView: UIView?
+        
+        if presentingViewController.isPresentedAsStork {
+            guard let rootController = presentingViewController.presentingViewController, let snapshotView = rootController.view.snapshotView(afterScreenUpdates: false) else { return }
+            
+            containerView.insertSubview(snapshotView, aboveSubview: self.backgroundView)
+            snapshotView.frame = initialFrame
+            snapshotView.transform = transformForSnapshotView
+            snapshotView.alpha = 1 - self.alpha
+            snapshotView.layer.cornerRadius = self.cornerRadius
+            snapshotView.contentMode = .top
+            snapshotView.layer.masksToBounds = true
+            rootSnapshotView = snapshotView
+            
+            let snapshotRoundedView = UIView()
+            snapshotRoundedView.layer.cornerRadius = self.cornerRadius
+            snapshotRoundedView.layer.masksToBounds = true
+            containerView.insertSubview(snapshotRoundedView, aboveSubview: snapshotView)
+            snapshotRoundedView.frame = initialFrame
+            snapshotRoundedView.transform = transformForSnapshotView
+            rootSnapshotRoundedView = snapshotRoundedView
+        }
+        
+        presentedViewController.transitionCoordinator?.animate(
+            alongsideTransition: { [weak self] context in
+                guard let `self` = self else { return }
+                self.snapshotView?.transform = transformForSnapshotView
+                self.gradeView.alpha = self.alpha
+            }, completion: { _ in
+                self.snapshotView?.transform = .identity
+                rootSnapshotView?.removeFromSuperview()
+                rootSnapshotRoundedView?.removeFromSuperview()
+        })
+        
+        if self.hapticMoments.contains(.willPresent) {
+            self.feedbackGenerator.impactOccurred()
+        }
+    }
+    
+    override func presentationTransitionDidEnd(_ completed: Bool) {
+        super.presentationTransitionDidEnd(completed)
+        guard let containerView = containerView else { return }
+        self.updateSnapshot()
+        self.presentedViewController.view.frame = self.frameOfPresentedViewInContainerView
+        self.snapshotViewContainer.transform = .identity
+        self.snapshotViewContainer.translatesAutoresizingMaskIntoConstraints = false
+        self.snapshotViewContainer.centerXAnchor.constraint(equalTo: containerView.centerXAnchor).isActive = true
+        self.updateSnapshotAspectRatio()
+        
+        if self.tapAroundToDismissEnabled {
+            self.tap = UITapGestureRecognizer.init(target: self, action: #selector(self.dismissAction))
+            self.tap?.cancelsTouchesInView = false
+            self.snapshotViewContainer.addGestureRecognizer(self.tap!)
+        }
+        
+        if self.swipeToDismissEnabled {
+            self.pan = UIPanGestureRecognizer(target: self, action: #selector(self.handlePan))
+            self.pan!.delegate = self
+            self.pan!.maximumNumberOfTouches = 1
+            self.pan!.cancelsTouchesInView = false
+            self.presentedViewController.view.addGestureRecognizer(self.pan!)
+        }
+    }
+    
+    @objc func dismissAction() {
+        self.presentingViewController.view.endEditing(true)
+        self.presentedViewController.view.endEditing(true)
+        self.presentedViewController.dismiss(animated: true, completion: {
+            self.storkDelegate?.didDismissStorkByTap?()
+        })
+    }
+    
+    override func dismissalTransitionWillBegin() {
+        super.dismissalTransitionWillBegin()
+        guard let containerView = containerView else { return }
+        self.startDismissing = true
+        
+        let initialFrame: CGRect = presentingViewController.isPresentedAsStork ? presentingViewController.view.frame : containerView.bounds
+
+        let initialTransform = CGAffineTransform.identity
+            .translatedBy(x: 0, y: -initialFrame.origin.y)
+            .translatedBy(x: 0, y: self.topSpace)
+            .translatedBy(x: 0, y: -initialFrame.height / 2)
+            .scaledBy(x: scaleForPresentingView, y: scaleForPresentingView)
+            .translatedBy(x: 0, y: initialFrame.height / 2)
+        
+        self.snapshotViewTopConstraint?.isActive = false
+        self.snapshotViewWidthConstraint?.isActive = false
+        self.snapshotViewAspectRatioConstraint?.isActive = false
+        self.snapshotViewContainer.translatesAutoresizingMaskIntoConstraints = true
+        self.snapshotViewContainer.frame = initialFrame
+        self.snapshotViewContainer.transform = initialTransform
+        
+        let finalCornerRadius = presentingViewController.isPresentedAsStork ? self.cornerRadius : 0
+        let finalTransform: CGAffineTransform = .identity
+        
+        self.addCornerRadiusAnimation(for: self.snapshotView, cornerRadius: finalCornerRadius, duration: 0.6)
+        
+        var rootSnapshotView: UIView?
+        var rootSnapshotRoundedView: UIView?
+        
+        if presentingViewController.isPresentedAsStork {
+            guard let rootController = presentingViewController.presentingViewController, let snapshotView = rootController.view.snapshotView(afterScreenUpdates: false) else { return }
+            
+            containerView.insertSubview(snapshotView, aboveSubview: backgroundView)
+            snapshotView.frame = initialFrame
+            snapshotView.transform = initialTransform
+            snapshotView.contentMode = .top
+            rootSnapshotView = snapshotView
+            snapshotView.layer.cornerRadius = self.cornerRadius
+            snapshotView.layer.masksToBounds = true
+            
+            let snapshotRoundedView = UIView()
+            snapshotRoundedView.layer.cornerRadius = self.cornerRadius
+            snapshotRoundedView.layer.masksToBounds = true
+            snapshotRoundedView.backgroundColor = UIColor.black.withAlphaComponent(self.alpha)
+            containerView.insertSubview(snapshotRoundedView, aboveSubview: snapshotView)
+            snapshotRoundedView.frame = initialFrame
+            snapshotRoundedView.transform = initialTransform
+            rootSnapshotRoundedView = snapshotRoundedView
+        }
+        
+        presentedViewController.transitionCoordinator?.animate(
+            alongsideTransition: { [weak self] context in
+                guard let `self` = self else { return }
+                self.snapshotView?.transform = .identity
+                self.snapshotViewContainer.transform = finalTransform
+                self.gradeView.alpha = 0
+                if self.hapticMoments.contains(.willDismiss) {
+                    self.feedbackGenerator.impactOccurred()
+                }
+            }, completion: { _ in
+                rootSnapshotView?.removeFromSuperview()
+                rootSnapshotRoundedView?.removeFromSuperview()
+        })
+    }
+    
+    override func dismissalTransitionDidEnd(_ completed: Bool) {
+        super.dismissalTransitionDidEnd(completed)
+        guard let containerView = containerView else { return }
+        
+        self.backgroundView.removeFromSuperview()
+        self.snapshotView?.removeFromSuperview()
+        self.snapshotViewContainer.removeFromSuperview()
+        self.indicatorView.removeFromSuperview()
+        self.closeButton.removeFromSuperview()
+        
+        let offscreenFrame = CGRect(x: 0, y: containerView.bounds.height, width: containerView.bounds.width, height: containerView.bounds.height)
+        presentedViewController.view.frame = offscreenFrame
+        presentedViewController.view.transform = .identity
+    }
+}
+
+extension SPStorkPresentationController {
+    
+    @objc func handlePan(gestureRecognizer: UIPanGestureRecognizer) {
+        guard gestureRecognizer.isEqual(self.pan), self.swipeToDismissEnabled else { return }
+        
+        switch gestureRecognizer.state {
+        case .began:
+            self.workGester = true
+            self.indicatorView.style = .line
+            self.presentingViewController.view.layer.removeAllAnimations()
+            self.presentingViewController.view.endEditing(true)
+            self.presentedViewController.view.endEditing(true)
+            gestureRecognizer.setTranslation(CGPoint(x: 0, y: 0), in: containerView)
+        case .changed:
+            self.workGester = true
+            let translation = gestureRecognizer.translation(in: presentedView)
+            if self.swipeToDismissEnabled {
+                self.updatePresentedViewForTranslation(inVerticalDirection: translation.y)
+            } else {
+                gestureRecognizer.setTranslation(.zero, in: presentedView)
+            }
+        case .ended:
+            self.workGester = false
+            let translation = gestureRecognizer.translation(in: presentedView).y
+            if translation >= self.translateForDismiss {
+                self.presentedViewController.dismiss(animated: true, completion: {
+                    self.storkDelegate?.didDismissStorkBySwipe?()
+                })
+            } else {
+                self.indicatorView.style = .arrow
+                UIView.animate(
+                    withDuration: 0.6,
+                    delay: 0,
+                    usingSpringWithDamping: 1,
+                    initialSpringVelocity: 1,
+                    options: [.curveEaseOut, .allowUserInteraction],
+                    animations: {
+                        self.snapshotView?.transform = .identity
+                        self.presentedView?.transform = .identity
+                        self.gradeView.alpha = self.alpha
+                })
+            }
+        default:
+            break
+        }
+    }
+    
+    func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
+        if let gester = gestureRecognizer as? UIPanGestureRecognizer {
+            let velocity = gester.velocity(in: self.presentedViewController.view)
+            return abs(velocity.y) > abs(velocity.x)
+        }
+        return true
+    }
+    
+    func scrollViewDidScroll(_ translation: CGFloat) {
+        if !self.workGester {
+            self.updatePresentedViewForTranslation(inVerticalDirection: translation)
+        }
+    }
+    
+    func updatePresentingController() {
+        if self.startDismissing { return }
+        self.updateSnapshot()
+    }
+    
+    func setIndicator(style: SPStorkIndicatorView.Style) {
+        self.indicatorView.style = style
+    }
+    
+    func setIndicator(visible: Bool, forse: Bool) {
+        guard self.hideIndicatorWhenScroll else { return }
+        let newAlpha: CGFloat = visible ? 1 : 0
+        if forse {
+            self.indicatorView.layer.removeAllAnimations()
+            self.indicatorView.alpha = newAlpha
+            return
+        }
+        if self.indicatorView.alpha == newAlpha {
+            return
+        }
+        UIView.animate(withDuration: 0.18, animations: {
+            self.indicatorView.alpha = newAlpha
+        })
+    }
+    
+    private func updatePresentedViewForTranslation(inVerticalDirection translation: CGFloat) {
+        if self.startDismissing { return }
+        
+        let elasticThreshold: CGFloat = 120
+        let translationFactor: CGFloat = 1 / 2
+
+        if translation >= 0 {
+            let translationForModal: CGFloat = {
+                if translation >= elasticThreshold {
+                    let frictionLength = translation - elasticThreshold
+                    let frictionTranslation = 30 * atan(frictionLength / 120) + frictionLength / 10
+                    return frictionTranslation + (elasticThreshold * translationFactor)
+                } else {
+                    return translation * translationFactor
+                }
+            }()
+            
+            self.presentedView?.transform = CGAffineTransform(translationX: 0, y: translationForModal)
+            
+            let scaleFactor = 1 + (translationForModal / 5000)
+            self.snapshotView?.transform = CGAffineTransform.init(scaleX: scaleFactor, y: scaleFactor)
+            let gradeFactor = 1 + (translationForModal / 7000)
+            self.gradeView.alpha = self.alpha - ((gradeFactor - 1) * 15)
+        } else {
+            self.presentedView?.transform = CGAffineTransform.identity
+        }
+        
+        if self.swipeToDismissEnabled {
+            let afterRealseDismissing = (translation >= self.translateForDismiss)
+            if afterRealseDismissing != self.afterReleaseDismissing {
+                self.afterReleaseDismissing = afterRealseDismissing
+                if self.hapticMoments.contains(.willDismissIfRelease) {
+                    self.feedbackGenerator.impactOccurred()
+                }
+            }
+        }
+    }
+}
+
+extension SPStorkPresentationController {
+    
+    override func containerViewWillLayoutSubviews() {
+        super.containerViewWillLayoutSubviews()
+        guard let containerView = containerView else { return }
+        self.updateSnapshotAspectRatio()
+        if presentedViewController.view.isDescendant(of: containerView) {
+            UIView.animate(withDuration: 0.1) { [weak self] in
+                guard let `self` = self else { return }
+                self.presentedViewController.view.frame = self.frameOfPresentedViewInContainerView
+            }
+        }
+    }
+    
+    override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
+        super.viewWillTransition(to: size, with: coordinator)
+        coordinator.animate(alongsideTransition: { contex in
+            self.updateLayoutIndicator()
+            self.updateLayoutCloseButton()
+        }, completion: { [weak self] _ in
+            self?.updateSnapshotAspectRatio()
+            self?.updateSnapshot()
+        })
+    }
+    
+    private func updateLayoutIndicator() {
+        guard let presentedView = self.presentedView else { return }
+        self.indicatorView.style = .line
+        self.indicatorView.sizeToFit()
+        self.indicatorView.frame.origin.y = 12
+        self.indicatorView.center.x = presentedView.frame.width / 2
+    }
+    
+    private func updateLayoutCloseButton() {
+        guard let presentedView = self.presentedView else { return }
+        self.closeButton.sizeToFit()
+        self.closeButton.layout(bottomX: presentedView.frame.width - 19, y: 19)
+    }
+    
+    private func updateSnapshot() {
+        guard let currentSnapshotView = presentingViewController.view.snapshotView(afterScreenUpdates: true) else { return }
+        self.snapshotView?.removeFromSuperview()
+        self.snapshotViewContainer.addSubview(currentSnapshotView)
+        self.constraints(view: currentSnapshotView, to: self.snapshotViewContainer)
+        self.snapshotView = currentSnapshotView
+        self.snapshotView?.layer.cornerRadius = self.cornerRadius
+        self.snapshotView?.layer.masksToBounds = true
+        if #available(iOS 11.0, *) {
+            snapshotView?.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
+        }
+        self.gradeView.removeFromSuperview()
+        self.gradeView.backgroundColor = UIColor.black
+        self.snapshotView!.addSubview(self.gradeView)
+        self.constraints(view: self.gradeView, to: self.snapshotView!)
+    }
+    
+    private func updateSnapshotAspectRatio() {
+        guard let containerView = containerView, snapshotViewContainer.translatesAutoresizingMaskIntoConstraints == false else { return }
+        
+        self.snapshotViewTopConstraint?.isActive = false
+        self.snapshotViewWidthConstraint?.isActive = false
+        self.snapshotViewAspectRatioConstraint?.isActive = false
+        
+        let snapshotReferenceSize = presentingViewController.view.frame.size
+        let aspectRatio = snapshotReferenceSize.width / snapshotReferenceSize.height
+        
+        self.snapshotViewTopConstraint = snapshotViewContainer.topAnchor.constraint(equalTo: containerView.topAnchor, constant: self.topSpace)
+        self.snapshotViewWidthConstraint = snapshotViewContainer.widthAnchor.constraint(equalTo: containerView.widthAnchor, multiplier: scaleForPresentingView)
+        self.snapshotViewAspectRatioConstraint = snapshotViewContainer.widthAnchor.constraint(equalTo: snapshotViewContainer.heightAnchor, multiplier: aspectRatio)
+        
+        self.snapshotViewTopConstraint?.isActive = true
+        self.snapshotViewWidthConstraint?.isActive = true
+        self.snapshotViewAspectRatioConstraint?.isActive = true
+    }
+    
+    private func constraints(view: UIView, to superView: UIView) {
+        view.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            view.topAnchor.constraint(equalTo: superView.topAnchor),
+            view.leftAnchor.constraint(equalTo: superView.leftAnchor),
+            view.rightAnchor.constraint(equalTo: superView.rightAnchor),
+            view.bottomAnchor.constraint(equalTo: superView.bottomAnchor)
+        ])
+    }
+    
+    private func addCornerRadiusAnimation(for view: UIView?, cornerRadius: CGFloat, duration: CFTimeInterval) {
+        guard let view = view else { return }
+        let animation = CABasicAnimation(keyPath:"cornerRadius")
+        animation.timingFunction = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeOut)
+        animation.fromValue = view.layer.cornerRadius
+        animation.toValue = cornerRadius
+        animation.duration = duration
+        view.layer.add(animation, forKey: "cornerRadius")
+        view.layer.cornerRadius = cornerRadius
+    }
+}

Example/stork-controller/Frameworks/SPStorkController/TransitioningDelegate/SPStorkPresentingAnimationController.swift

@@ -24,14 +24,15 @@ import UIKit
 final class SPStorkPresentingAnimationController: NSObject, UIViewControllerAnimatedTransitioning {
 
     func animateTransition(using transitionContext: UIViewControllerContextTransitioning) {
-        guard let presentedViewController = transitionContext.viewController(forKey: .to) else {
-            return
-        }
+        
+        guard let presentedViewController = transitionContext.viewController(forKey: .to) else { return }
+        
         let containerView = transitionContext.containerView
         containerView.addSubview(presentedViewController.view)
-        presentedViewController.view.frame = CGRect(x: 0, y: containerView.bounds.height, width: containerView.bounds.width, height: containerView.bounds.height)
-        
+
         let finalFrameForPresentedView = transitionContext.finalFrame(for: presentedViewController)
+        presentedViewController.view.frame = finalFrameForPresentedView
+        presentedViewController.view.frame.origin.y = containerView.bounds.height
         
         UIView.animate(
             withDuration: transitionDuration(using: transitionContext),

Example/stork-controller/Frameworks/SPStorkController/TransitioningDelegate/SPStorkTransitioningDelegate.swift

@@ -23,9 +23,32 @@ import UIKit
 
 public final class SPStorkTransitioningDelegate: NSObject, UIViewControllerTransitioningDelegate {
     
+    public var swipeToDismissEnabled: Bool = true
+    public var tapAroundToDismissEnabled: Bool = true
+    public var showCloseButton: Bool = false
+    public var showIndicator: Bool = true
+    public var indicatorColor: UIColor = UIColor.init(red: 202/255, green: 201/255, blue: 207/255, alpha: 1)
+    public var hideIndicatorWhenScroll: Bool = false
+    public var customHeight: CGFloat? = nil
+    public var translateForDismiss: CGFloat = 200
+    public var cornerRadius: CGFloat = 10
+    public var hapticMoments: [SPStorkHapticMoments] = [.willDismissIfRelease]
+    public weak var storkDelegate: SPStorkControllerDelegate? = nil
+    
     public func presentationController(forPresented presented: UIViewController, presenting: UIViewController?, source: UIViewController) -> UIPresentationController? {
         let controller = SPStorkPresentationController(presentedViewController: presented, presenting: presenting)
+        controller.swipeToDismissEnabled = self.swipeToDismissEnabled
+        controller.tapAroundToDismissEnabled = self.tapAroundToDismissEnabled
+        controller.showCloseButton = self.showCloseButton
+        controller.showIndicator = self.showIndicator
+        controller.indicatorColor = self.indicatorColor
+        controller.hideIndicatorWhenScroll = self.hideIndicatorWhenScroll
+        controller.customHeight = self.customHeight
+        controller.translateForDismiss = self.translateForDismiss
+        controller.cornerRadius = self.cornerRadius
+        controller.hapticMoments = self.hapticMoments
         controller.transitioningDelegate = self
+        controller.storkDelegate = self.storkDelegate
         return controller
     }
     

Example/stork-controller/Frameworks/SPStorkController/Views/SPStorkCloseButton.swift

@@ -0,0 +1,78 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+open class SPStorkCloseButton: UIButton {
+    
+    let iconView = SPStorkCloseView()
+    
+    var widthIconFactor: CGFloat = 1
+    var heightIconFactor: CGFloat = 1
+    
+    var color = UIColor.blue {
+        didSet {
+            self.iconView.color = self.color
+        }
+    }
+    
+    override open var isHighlighted: Bool {
+        didSet {
+            self.iconView.color = self.color.withAlphaComponent(self.isHighlighted ? 0.7 : 1)
+        }
+    }
+    
+    init() {
+        super.init(frame: .zero)
+        self.commonInit()
+    }
+    
+    required public init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    private func commonInit() {
+        self.iconView.isUserInteractionEnabled = false
+        self.addSubview(self.iconView)
+        self.backgroundColor = UIColor.init(red: 239 / 255.0, green: 239 / 255.0, blue: 244 / 255.0, alpha: 1)
+        self.color = UIColor.init(red: 142 / 255.0, green: 142 / 255.0, blue: 147 / 255.0, alpha: 1)
+        self.widthIconFactor = 0.36
+        self.heightIconFactor = 0.36
+    }
+    
+    func layout(bottomX: CGFloat, y: CGFloat) {
+        self.sizeToFit()
+        self.frame.origin.x = bottomX - self.frame.width
+        self.frame.origin.y = y
+    }
+    
+    override open func layoutSubviews() {
+        super.layoutSubviews()
+        self.layer.cornerRadius = self.frame.width / 2
+        self.iconView.frame = CGRect.init(x: 0, y: 0, width: self.frame.width * self.widthIconFactor, height: self.frame.height * self.heightIconFactor)
+        self.iconView.center = CGPoint.init(x: self.frame.width / 2, y: self.frame.height / 2)
+    }
+    
+    override open func sizeToFit() {
+        super.sizeToFit()
+        self.frame = CGRect.init(x: self.frame.origin.x, y: self.frame.origin.y, width: 30, height: 30)
+    }
+}

Example/stork-controller/Frameworks/SPStorkController/Views/SPStorkCloseView.swift

@@ -21,33 +21,30 @@
 
 import UIKit
 
-public class SPCollectionViewCell: UICollectionViewCell {
+open class SPStorkCloseView: UIView {
     
-    var currentIndexPath: IndexPath?
-    
-    public override func prepareForReuse() {
-        super.prepareForReuse()
-        self.currentIndexPath = nil
+    var color = UIColor.blue {
+        didSet {
+            self.setNeedsDisplay()
+        }
     }
-}
-
-public class SPCollectionContainerCell<ContentView: UIView>: UICollectionViewCell {
     
-    let view = ContentView.init()
-    var currentIndexPath: IndexPath?
+    init() {
+        super.init(frame: CGRect.zero)
+        self.commonInit()
+    }
     
-    override init(frame: CGRect) {
-        super.init(frame: frame)
+    private func commonInit() {
         self.backgroundColor = UIColor.clear
-        self.addSubview(view)
     }
     
     required public init?(coder aDecoder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
     
-    override public func layoutSubviews() {
-        super.layoutSubviews()
-        self.view.setEqualsFrameFromBounds(self)
+    override open func draw(_ rect: CGRect) {
+        super.draw(rect)
+        SPStorkCodeDraw.drawClose(frame: rect, resizing: .aspectFit, color: self.color)
     }
 }
+

Example/stork-controller/Frameworks/SPStorkController/Views/SPStorkIndicatorView.swift

@@ -21,27 +21,34 @@
 
 import UIKit
 
-class SPStorkIndicatorView: UIView {
+open class SPStorkIndicatorView: UIView {
     
     var style: Style = .line {
         didSet {
             switch self.style {
             case .line:
-                SPAnimationSpring.animate(0.5, animations: {
+                self.animate {
                     self.leftView.transform = .identity
                     self.rightView.transform = .identity
-                }, options: .curveEaseOut)
+                }
             case .arrow:
-                SPAnimationSpring.animate(0.5, animations: {
+                self.animate {
                     let angle = CGFloat(20 * Float.pi / 180)
                     self.leftView.transform = CGAffineTransform.init(rotationAngle: angle)
                     self.rightView.transform = CGAffineTransform.init(rotationAngle: -angle)
-                }, options: .curveEaseOut)
+                }
             }
             
         }
     }
     
+    var color: UIColor = UIColor.init(red: 202/255, green: 201/255, blue: 207/255, alpha: 1) {
+        didSet {
+            self.leftView.backgroundColor = self.color
+            self.rightView.backgroundColor = self.color
+        }
+    }
+    
     private var leftView: UIView = UIView()
     private var rightView: UIView = UIView()
     
@@ -50,30 +57,33 @@ class SPStorkIndicatorView: UIView {
         self.backgroundColor = UIColor.clear
         self.addSubview(self.leftView)
         self.addSubview(self.rightView)
-        self.leftView.backgroundColor = UIColor.init(hex: "CAC9CF")
-        self.rightView.backgroundColor = UIColor.init(hex: "CAC9CF")
+        self.color = UIColor.init(red: 202/255, green: 201/255, blue: 207/255, alpha: 1)
     }
     
-    required init?(coder aDecoder: NSCoder) {
+    required public init?(coder aDecoder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
 
-    
-    override func sizeToFit() {
+    override open func sizeToFit() {
         super.sizeToFit()
-        self.setWidth(36)
-        self.setHeight(13)
+        self.frame = CGRect.init(x: self.frame.origin.x, y: self.frame.origin.y, width: 36, height: 13)
         
         let height: CGFloat = 5
         let correction = height / 2
         
         self.leftView.frame = CGRect.init(x: 0, y: 0, width: self.frame.width / 2 + correction, height: height)
         self.leftView.center.y = self.frame.height / 2
-        self.leftView.round()
+        self.leftView.layer.cornerRadius = min(self.leftView.frame.width, self.leftView.frame.height) / 2
         
         self.rightView.frame = CGRect.init(x: self.frame.width / 2 - correction, y: 0, width: self.frame.width / 2 + correction, height: height)
         self.rightView.center.y = self.frame.height / 2
-        self.rightView.round()
+        self.rightView.layer.cornerRadius = min(self.leftView.frame.width, self.leftView.frame.height) / 2
+    }
+    
+    private func animate(animations: @escaping (() -> Void)) {
+        UIView.animate(withDuration: 0.5, delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 1, options: [.beginFromCurrentState, .curveEaseOut], animations: {
+            animations()
+        })
     }
     
     enum Style {

Example/stork-controller/Frameworks/SparrowKit/Animation/SPAnimation.swift

@@ -21,7 +21,7 @@
 
 import UIKit
 
-public class SPAnimation {
+enum SPAnimation {
     
     static func animate(_ duration: TimeInterval,
                         animations: (() -> Void)!,
@@ -47,7 +47,7 @@ public class SPAnimation {
                                        withComplection completion: (() -> Void)! = {}) {
         
         var optionsWithRepeatition = options
-        optionsWithRepeatition.insert([.autoreverse, .repeat])
+        optionsWithRepeatition.insert([.autoreverse, .repeat, .allowUserInteraction])
         
         self.animate(
             duration,

Example/stork-controller/Frameworks/SparrowKit/Animation/SPAnimationAlpha.swift

@@ -21,11 +21,11 @@
 
 import UIKit
 
-public class SPAnimationAlpha {
+class SPAnimationAlpha {
     
-    fileprivate static let durationListAnimation: TimeInterval = 0.45
-    fileprivate static let coefLenthForTransition: CGFloat = 2.8
-    fileprivate static let delayPerItem: TimeInterval = 0.09
+    static let durationListAnimation: TimeInterval = 0.45
+    static let coefLenthForTransition: CGFloat = 2.8
+    static let delayPerItem: TimeInterval = 0.09
 
     static func hideList(_ duration: TimeInterval = durationListAnimation,
                          views: [UIView],

Example/stork-controller/Frameworks/SparrowKit/Animation/SPAnimationSpring.swift

@@ -21,10 +21,10 @@
 
 import UIKit
 
-public class SPAnimationSpring {
+class SPAnimationSpring {
     
-    fileprivate static let spring: CGFloat = 1
-    fileprivate static let velocity: CGFloat = 1
+    static let spring: CGFloat = 1
+    static let velocity: CGFloat = 1
     
     static func animate(_ duration: TimeInterval,
                         animations: (() -> Void)!,

Example/stork-controller/Frameworks/SparrowKit/Animation/SPAnimationUpward.swift

@@ -21,11 +21,11 @@
 
 import UIKit
 
-public class SPAnimationUpward {
+class SPAnimationUpward {
     
-    fileprivate static let durationListAnimation: TimeInterval = 0.45
-    fileprivate static let coefLenthForTransition: CGFloat = 2.8
-    fileprivate static let delayPerItem: TimeInterval = 0.09
+    static let durationListAnimation: TimeInterval = 0.45
+    static let coefLenthForTransition: CGFloat = 2.8
+    static let delayPerItem: TimeInterval = 0.09
     
     static func hide(_ duration: TimeInterval,
                    view: UIView,

Example/stork-controller/Frameworks/SparrowKit/App/SPApp.swift

@@ -0,0 +1,76 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+import StoreKit
+
+struct SPApp {
+    
+    static var udid: String? {
+        return UIDevice.current.identifierForVendor?.uuidString
+    }
+    
+    static var displayName: String? {
+        return Bundle.main.object(forInfoDictionaryKey: "CFBundleDisplayName") as? String
+    }
+    
+    static var rootController: UIViewController? {
+        return UIApplication.shared.keyWindow?.rootViewController
+    }
+    
+    static var safeArea: UIEdgeInsets {
+        if #available(iOS 11.0, *) {
+            return UIApplication.shared.keyWindow?.safeArea ?? UIEdgeInsets.zero
+        } else {
+            return UIEdgeInsets.zero
+        }
+    }
+    
+    static func set(rootController: UIViewController, animatable: Bool = true) {
+        
+        rootController.view.frame = UIScreen.main.bounds
+        
+        let replaceRootViewController = {
+            UIApplication.shared.keyWindow?.rootViewController = rootController
+        }
+        
+        if animatable {
+            UIView.transition(
+                with: UIApplication.shared.keyWindow ?? UIWindow(),
+                duration: 0.5,
+                options: UIView.AnimationOptions.transitionCrossDissolve,
+                animations: {
+                    replaceRootViewController()
+            }, completion: nil)
+        } else {
+            replaceRootViewController()
+        }
+    }
+    
+    static func set(elementsColor: UIColor) {
+        UINavigationController.elementsColor = elementsColor
+        UIAlertController.elementsColor = elementsColor
+        UITabBarController.elementsColor = elementsColor
+        UITabBar.appearance().tintColor = elementsColor
+    }
+    
+    private init() {}
+}

Example/stork-controller/Frameworks/SparrowKit/App/SPAppBadge.swift

@@ -21,25 +21,24 @@
 
 import UIKit
 
-struct SPLaunch {
+extension SPApp {
     
-    static func run() {
-        self.count += 1
-    }
-    
-    static var count: Int {
-        get {
-            return UserDefaults.standard.value(forKey: "SPLaunchCount") as? Int ?? 0
+    struct Badge {
+        
+        static var number: Int {
+            get {
+                return UIApplication.shared.applicationIconBadgeNumber
+            }
+            set {
+                UIApplication.shared.applicationIconBadgeNumber = newValue
+            }
         }
-        set {
-            UserDefaults.standard.set(newValue, forKey: "SPLaunchCount")
+        
+        static func reset() {
+            UIApplication.shared.applicationIconBadgeNumber = 0
         }
+        
+        private init() {}
     }
-    
-    static var isFirstOpen: Bool {
-        return (self.count == 1) || (self.count == 0)
-    }
-    
-    
-    private init() {}
 }
+

Example/stork-controller/Frameworks/SparrowKit/App/SPAppLaunch.swift

@@ -21,25 +21,30 @@
 
 import UIKit
 
-class SPScrollViewController: SPBaseViewController {
+extension SPApp {
     
-    let scrollView = SPScrollView()
-    
-    override func viewDidLoad() {
+    struct Launch {
         
-        self.view.backgroundColor = SPNativeStyleKit.Colors.customGray
+        static func run() {
+            self.count += 1
+            if (UserDefaults.standard.object(forKey: "SPDateFirstLaunch") as? Date) == nil {
+                UserDefaults.standard.set(Date(), forKey: "SPDateFirstLaunch")
+            }
+        }
         
-        self.scrollView.showsHorizontalScrollIndicator = false
-        self.scrollView.showsVerticalScrollIndicator = true
-        self.scrollView.indicatorStyle = .black
-        self.view.addSubview(self.scrollView)
+        static var count: Int {
+            get { return UserDefaults.standard.value(forKey: "SPLaunchCount") as? Int ?? 0 }
+            set { UserDefaults.standard.set(newValue, forKey: "SPLaunchCount") }
+        }
         
-        super.viewDidLoad()
-    }
-    
-    override func updateLayout(with size: CGSize) {
-        self.scrollView.frame = CGRect.init(origin: .zero, size: size)
-        self.scrollView.contentSize = CGSize.init(width: size.width, height: size.height * 2)
-        super.updateLayout(with: size)
+        static var isFirstLaunch: Bool {
+            return (self.count == 1) || (self.count == 0)
+        }
+        
+        static var dateFirstLaunch: Date {
+            return ((UserDefaults.standard.object(forKey: "SPDateFirstLaunch") as? Date) ?? Date())
+        }
+        
+        private init() {}
     }
 }

Example/stork-controller/Frameworks/SparrowKit/App/SPAppOpener.swift

@@ -0,0 +1,86 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+import SafariServices
+
+extension SPApp {
+    
+    static func open(app: SPSystemApp) {
+        switch app {
+        case SPSystemApp.photos:
+            guard let settingsUrl = URL(string: "photos-redirect://") else {
+                return
+            }
+            
+            if UIApplication.shared.canOpenURL(settingsUrl) {
+                if #available(iOS 10.0, *) {
+                    UIApplication.shared.open(settingsUrl, completionHandler: { (success) in
+                        print("SPApp - Photos opened: \(success)")
+                    })
+                } else {
+                    UIApplication.shared.openURL(settingsUrl as URL)
+                }
+            } else {
+                print("SPApp - Photos not opened")
+            }
+        case SPSystemApp.setting:
+            DispatchQueue.main.async {
+                guard let settingsUrl = URL(string: UIApplication.openSettingsURLString) else {
+                    return
+                }
+                
+                if UIApplication.shared.canOpenURL(settingsUrl) {
+                    if #available(iOS 10.0, *) {
+                        UIApplication.shared.open(settingsUrl, completionHandler: { (success) in
+                            print("SPApp - Settings opened: \(success)")
+                        })
+                    } else {
+                        UIApplication.shared.openURL(settingsUrl as URL)
+                    }
+                } else {
+                    print("SPApp - Settings not opened")
+                }
+            }
+        }
+    }
+    
+    static func open(link: String, redirect: Bool) {
+        
+        guard let url = URL(string: link) else {
+            print("SPOpener - can not create URL")
+            return
+        }
+        
+        if redirect {
+            UIApplication.shared.open(url, options: convertToUIApplicationOpenExternalURLOptionsKeyDictionary([:]), completionHandler: nil)
+        } else {
+            if let rootController = SPApp.rootController {
+                let safariController = SFSafariViewController.init(url: url)
+                rootController.present(safariController, animated: true, completion: nil)
+            }
+        }
+    }
+}
+
+fileprivate func convertToUIApplicationOpenExternalURLOptionsKeyDictionary(_ input: [String: Any]) -> [UIApplication.OpenExternalURLOptionsKey: Any] {
+    return Dictionary(uniqueKeysWithValues: input.map { key, value in (UIApplication.OpenExternalURLOptionsKey(rawValue: key), value)})
+}

Example/stork-controller/Frameworks/SparrowKit/AppStore/SPAppStore.swift

@@ -28,8 +28,8 @@ struct SPAppStore {
         return "https://itunes.apple.com/by/app/id" + appID
     }
     
-    static func open(appID: String) {
-        if let url = URL(string: "itms-apps://itunes.apple.com/app/id\(appID)"),
+    static func open(app id: String) {
+        if let url = URL(string: "itms-apps://itunes.apple.com/app/id\(id)"),
             UIApplication.shared.canOpenURL(url) {
             if #available(iOS 10.0, *) {
                 UIApplication.shared.open(url, options: convertToUIApplicationOpenExternalURLOptionsKeyDictionary([:]), completionHandler: nil)
@@ -56,6 +56,12 @@ struct SPAppStore {
         }
     }
     
+    static func requestReview() {
+        if #available(iOS 10.3, *) {
+            SKStoreReviewController.requestReview()
+        }
+    }
+    
     static func isUpdateAvailable(completion: @escaping (Bool)->()) {
         
         guard let info = Bundle.main.infoDictionary,
@@ -128,7 +134,6 @@ extension String {
     }
 }
 
-// Helper function inserted by Swift 4.2 migrator.
 fileprivate func convertToUIApplicationOpenExternalURLOptionsKeyDictionary(_ input: [String: Any]) -> [UIApplication.OpenExternalURLOptionsKey: Any] {
 	return Dictionary(uniqueKeysWithValues: input.map { key, value in (UIApplication.OpenExternalURLOptionsKey(rawValue: key), value)})
 }

Example/stork-controller/Frameworks/SparrowKit/Audio/SPAudio.swift

@@ -22,21 +22,20 @@
 import UIKit
 import AVFoundation
 
-public struct SPAudio {
+struct SPAudio {
     
     static func notStopBackgroundMusic() {
         do {
             try AVAudioSession.sharedInstance().setCategory(AVAudioSession.Category(rawValue: convertFromAVAudioSessionCategory(AVAudioSession.Category.ambient)), mode: AVAudioSession.Mode.default)
             try AVAudioSession.sharedInstance().setActive(true)
         } catch {
-            
+            print("SPAudio - notStopBackgroundMusic, error")
         }
     }
     
     private init() {}
 }
 
-// Helper function inserted by Swift 4.2 migrator.
 fileprivate func convertFromAVAudioSessionCategory(_ input: AVAudioSession.Category) -> String {
 	return input.rawValue
 }

Example/stork-controller/Frameworks/SparrowKit/Audio/SPAudioPlayer.swift

@@ -22,7 +22,7 @@
 import UIKit
 import AVFoundation
 
-public class SPAudioPlayer: NSObject, AVAudioPlayerDelegate {
+class SPAudioPlayer: NSObject, AVAudioPlayerDelegate {
     
     fileprivate var player: AVAudioPlayer = AVAudioPlayer()
     fileprivate var endPlayingComplection: (()->())? = nil
@@ -51,7 +51,7 @@ public class SPAudioPlayer: NSObject, AVAudioPlayerDelegate {
         player.stop()
     }
     
-    public func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
+    func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
         self.endPlayingComplection?()
     }
 }

Example/stork-controller/Frameworks/SparrowKit/Code Draw/SPCodeAudioIconPack.swift

@@ -23,9 +23,9 @@ import UIKit
 
 extension SPCodeDraw {
     
-    public class AudioIconPack : NSObject {
+    class AudioIconPack : NSObject {
         
-        @objc dynamic public class func drawPlay(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 200, height: 200), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 0.000, green: 0.000, blue: 0.000, alpha: 1.000)) {
+        @objc dynamic class func drawPlay(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 200, height: 200), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 0.000, green: 0.000, blue: 0.000, alpha: 1.000)) {
 
             let context = UIGraphicsGetCurrentContext()!
             
@@ -53,7 +53,7 @@ extension SPCodeDraw {
             context.restoreGState()
         }
         
-        @objc dynamic public class func drawPause(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 200, height: 200), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 0.000, green: 0.000, blue: 0.000, alpha: 1.000)) {
+        @objc dynamic class func drawPause(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 200, height: 200), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 0.000, green: 0.000, blue: 0.000, alpha: 1.000)) {
 
             let context = UIGraphicsGetCurrentContext()!
             
@@ -90,7 +90,7 @@ extension SPCodeDraw {
             context.restoreGState()
         }
         
-        @objc dynamic public class func drawStop(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 200, height: 200), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 0.000, green: 0.000, blue: 0.000, alpha: 1.000)) {
+        @objc dynamic class func drawStop(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 200, height: 200), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 0.000, green: 0.000, blue: 0.000, alpha: 1.000)) {
             
             let context = UIGraphicsGetCurrentContext()!
             
@@ -118,13 +118,13 @@ extension SPCodeDraw {
         }
 
         @objc(StyleKitNameResizingBehavior)
-        public enum ResizingBehavior: Int {
+        enum ResizingBehavior: Int {
             case aspectFit /// The content is proportionally resized to fit into the target rectangle.
             case aspectFill /// The content is proportionally resized to completely fill the target rectangle.
             case stretch /// The content is stretched to match the entire target rectangle.
             case center /// The content is centered in the target rectangle, but it is NOT resized.
             
-            public func apply(rect: CGRect, target: CGRect) -> CGRect {
+            func apply(rect: CGRect, target: CGRect) -> CGRect {
                 if rect == target || target == CGRect.zero {
                     return rect
                 }

Example/stork-controller/Frameworks/SparrowKit/Code Draw/SPCodeDraw.swift

@@ -21,4 +21,4 @@
 
 import UIKit
 
-struct SPCodeDraw { private init(){} }
+struct SPCodeDraw { private init() {} }

Example/stork-controller/Frameworks/SparrowKit/Code Draw/SPCodeSocialIconPack.swift

@@ -23,9 +23,9 @@ import UIKit
 
 extension SPCodeDraw {
     
-    public class SocialIconPack : NSObject {
+    class SocialIconPack : NSObject {
         
-        @objc dynamic public class func drawInstagram(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 40, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
+        @objc dynamic class func drawInstagram(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 40, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
 
             let context = UIGraphicsGetCurrentContext()!
             
@@ -115,7 +115,7 @@ extension SPCodeDraw {
             
         }
         
-        @objc dynamic public class func drawVK(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 40, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
+        @objc dynamic class func drawVK(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 40, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
             //// General Declarations
             let context = UIGraphicsGetCurrentContext()!
             
@@ -167,7 +167,7 @@ extension SPCodeDraw {
             context.restoreGState()
         }
         
-        @objc dynamic public class func drawWhatsapp(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 40, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
+        @objc dynamic class func drawWhatsapp(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 40, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
             //// General Declarations
             let context = UIGraphicsGetCurrentContext()!
             
@@ -237,7 +237,7 @@ extension SPCodeDraw {
             
         }
         
-        @objc dynamic public class func drawTelegram(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 40, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
+        @objc dynamic class func drawTelegram(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 40, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
             //// General Declarations
             let context = UIGraphicsGetCurrentContext()!
             
@@ -313,7 +313,7 @@ extension SPCodeDraw {
             
         }
         
-        @objc dynamic public class func drawFacebook(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 41, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
+        @objc dynamic class func drawFacebook(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 41, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
             //// General Declarations
             let context = UIGraphicsGetCurrentContext()!
             
@@ -352,7 +352,7 @@ extension SPCodeDraw {
             
         }
         
-        @objc dynamic public class func drawViber(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 41, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
+        @objc dynamic class func drawViber(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 41, height: 40), resizing: ResizingBehavior = .aspectFit, fillColor: UIColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)) {
             //// General Declarations
             let context = UIGraphicsGetCurrentContext()!
             
@@ -443,13 +443,13 @@ extension SPCodeDraw {
         }
         
         @objc(SocialIconStyleKitResizingBehavior)
-        public enum ResizingBehavior: Int {
+        enum ResizingBehavior: Int {
             case aspectFit /// The content is proportionally resized to fit into the target rectangle.
             case aspectFill /// The content is proportionally resized to completely fill the target rectangle.
             case stretch /// The content is stretched to match the entire target rectangle.
             case center /// The content is centered in the target rectangle, but it is NOT resized.
             
-            public func apply(rect: CGRect, target: CGRect) -> CGRect {
+            func apply(rect: CGRect, target: CGRect) -> CGRect {
                 if rect == target || target == CGRect.zero {
                     return rect
                 }

Example/stork-controller/Frameworks/SparrowKit/Code Draw/SPCodeSystemIconPack.swift

@@ -23,15 +23,15 @@ import UIKit
 
 extension SPCodeDraw {
     
-    public class SystemIconPack : NSObject {
+    class SystemIconPack : NSObject {
 
         private struct Cache {
             static let gradient: CGGradient = CGGradient(colorsSpace: nil, colors: [UIColor.red.cgColor, UIColor.red.cgColor] as CFArray, locations: [0, 1])!
         }
 
-        @objc dynamic public class var gradient: CGGradient { return Cache.gradient }
+        @objc dynamic class var gradient: CGGradient { return Cache.gradient }
 
-        @objc dynamic public class func drawFavorite(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 100, height: 100), resizing: ResizingBehavior = .aspectFit, color: UIColor = UIColor(red: 0.000, green: 0.478, blue: 1.000, alpha: 1.000)) {
+        @objc dynamic class func drawFavorite(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 100, height: 100), resizing: ResizingBehavior = .aspectFit, color: UIColor = UIColor(red: 0.000, green: 0.478, blue: 1.000, alpha: 1.000)) {
 
             let context = UIGraphicsGetCurrentContext()!
             
@@ -80,7 +80,7 @@ extension SPCodeDraw {
             context.restoreGState()
         }
         
-        @objc dynamic public class func drawFavoriteFill(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 100, height: 100), resizing: ResizingBehavior = .aspectFit, color: UIColor = UIColor(red: 0.000, green: 0.478, blue: 1.000, alpha: 1.000)) {
+        @objc dynamic class func drawFavoriteFill(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 100, height: 100), resizing: ResizingBehavior = .aspectFit, color: UIColor = UIColor(red: 0.000, green: 0.478, blue: 1.000, alpha: 1.000)) {
             
             let context = UIGraphicsGetCurrentContext()!
 
@@ -113,7 +113,7 @@ extension SPCodeDraw {
             context.restoreGState()
         }
         
-        @objc dynamic public class func drawShare(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 100, height: 100), resizing: ResizingBehavior = .aspectFit, color: UIColor = UIColor(red: 0.000, green: 0.000, blue: 0.000, alpha: 1.000)) {
+        @objc dynamic class func drawShare(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 100, height: 100), resizing: ResizingBehavior = .aspectFit, color: UIColor = UIColor(red: 0.000, green: 0.000, blue: 0.000, alpha: 1.000)) {
             
             let context = UIGraphicsGetCurrentContext()!
 
@@ -154,7 +154,7 @@ extension SPCodeDraw {
             context.restoreGState()
         }
         
-        @objc dynamic public class func drawClose(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 100, height: 100), resizing: ResizingBehavior = .aspectFit, color: UIColor = UIColor(red: 0.000, green: 0.000, blue: 0.000, alpha: 1.000)) {
+        @objc dynamic class func drawClose(frame targetFrame: CGRect = CGRect(x: 0, y: 0, width: 100, height: 100), resizing: ResizingBehavior = .aspectFit, color: UIColor = UIColor(red: 0.000, green: 0.000, blue: 0.000, alpha: 1.000)) {
 
             let context = UIGraphicsGetCurrentContext()!
 
@@ -192,13 +192,13 @@ extension SPCodeDraw {
         }
         
         @objc(StyleKitNameResizingBehavior)
-        public enum ResizingBehavior: Int {
+        enum ResizingBehavior: Int {
             case aspectFit /// The content is proportionally resized to fit into the target rectangle.
             case aspectFill /// The content is proportionally resized to completely fill the target rectangle.
             case stretch /// The content is stretched to match the entire target rectangle.
             case center /// The content is centered in the target rectangle, but it is NOT resized.
             
-            public func apply(rect: CGRect, target: CGRect) -> CGRect {
+            func apply(rect: CGRect, target: CGRect) -> CGRect {
                 if rect == target || target == CGRect.zero {
                     return rect
                 }

Example/stork-controller/Frameworks/SparrowKit/Constraints/SPConstraints.swift

@@ -0,0 +1,42 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+struct SPConstraints {
+    
+    static func setEqualSizeSuperview(for view: UIView) {
+        if let superView = view.superview {
+            view.translatesAutoresizingMaskIntoConstraints = false
+            NSLayoutConstraint.activate([
+                view.topAnchor.constraint(equalTo: superView.topAnchor),
+                view.leftAnchor.constraint(equalTo: superView.leftAnchor),
+                view.rightAnchor.constraint(equalTo: superView.rightAnchor),
+                view.bottomAnchor.constraint(equalTo: superView.bottomAnchor)
+            ])
+        }
+    }
+    
+    private init() {}
+}
+
+
+       

Example/stork-controller/Frameworks/SparrowKit/Delay/SPDelay.swift

@@ -21,7 +21,7 @@
 
 import Foundation
 
-public func delay(_ delay:Double, closure:@escaping ()->()) {
+func delay(_ delay:Double, closure: @escaping ()->()) {
     let when = DispatchTime.now() + delay
     DispatchQueue.main.asyncAfter(deadline: when) {
         closure()

Example/stork-controller/Frameworks/SparrowKit/Device/SPDevice.swift

@@ -23,12 +23,12 @@ import UIKit
 
 struct SPDevice {
     
-    static var isIphone: Bool {
-        return UIDevice.current.isIphone
+    static var iphone: Bool {
+        return UIDevice.current.userInterfaceIdiom == .phone
     }
     
-    static var isIpad: Bool {
-        return UIDevice.current.isIpad
+    static var ipad: Bool {
+        return UIDevice.current.userInterfaceIdiom == .pad
     }
     
     struct Orientation {

Example/stork-controller/Frameworks/SparrowKit/Downloader/SPDownloader.swift

@@ -30,6 +30,7 @@ struct SPDownloader {
             }
             return
         }
+        
         URLSession.shared.dataTask(with: url) { (data, response, error) in
             guard
                 let httpURLResponse = response as? HTTPURLResponse, httpURLResponse.statusCode == 200,
@@ -47,6 +48,8 @@ struct SPDownloader {
             }
             }.resume()
     }
+    
+    private init() {}
 }
 
 

Example/stork-controller/Frameworks/SparrowKit/Extension/SPArrayExtension.swift

@@ -23,10 +23,8 @@ import Foundation
 
 extension Array {
     
-    func takeElements(count: Int) -> Array {
-        if (count < self.count) {
-            return Array(self[0..<count])
-        }
+    func get(count: Int) -> Array {
+        if (count < self.count) { return Array(self[0..<count]) }
         return Array(self)
     }
 }
@@ -35,11 +33,8 @@ extension Array where Element: Equatable {
     
     mutating func removeDuplicates() {
         var result = [Element]()
-        
         for value in self {
-            if result.contains(value) == false {
-                result.append(value)
-            }
+            if result.contains(value) == false { result.append(value) }
         }
         self = result
     }
@@ -48,9 +43,7 @@ extension Array where Element: Equatable {
 extension Array where Element: Hashable {
     
     func after(item: Element) -> Element? {
-        if let index = self.index(of: item), index + 1 < self.count {
-            return self[index + 1]
-        }
+        if let index = self.firstIndex(of: item), index + 1 < self.count { return self[index + 1] }
         return nil
     }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPCGRectExtension.swift

@@ -23,34 +23,29 @@ import UIKit
 
 extension CGRect {
     
-    static var displayFrame: CGRect {
-        let screenSize = UIScreen.main.bounds
-        return CGRect.init(origin: .zero, size: screenSize.size)
+    var bottomX: CGFloat {
+        get { return self.origin.x + self.width }
+        set { self.origin.x = newValue - self.width }
     }
     
-    var bottomXPosition: CGFloat {
-        get {
-            return self.origin.x + self.width
-        }
-        set {
-            self.origin.x = newValue - self.width
-        }
+    var bottomY: CGFloat {
+        get { return self.origin.y + self.height }
+        set { self.origin.y = newValue - self.height }
     }
     
-    var bottomYPosition: CGFloat {
-        get {
-            return self.origin.y + self.height
-        }
-        set {
-            self.origin.y = newValue - self.height
-        }
-    }
-    
-    var minSideSize: CGFloat {
+    var minSide: CGFloat {
         return min(self.width, self.height)
     }
     
-    var isWidthLessThanHeight: Bool {
-        return self.width < self.height
+    mutating func set(width: CGFloat) {
+        self = CGRect.init(x: self.origin.x, y: self.origin.y, width: width, height: self.height)
+    }
+    
+    mutating func set(height: CGFloat) {
+        self = CGRect.init(x: self.origin.x, y: self.origin.y, width: self.width, height: height)
+    }
+    
+    mutating func set(width: CGFloat, height: CGFloat) {
+        self = CGRect.init(x: self.origin.x, y: self.origin.y, width: width, height: height)
     }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPCGSizeExtenshion.swift

@@ -23,15 +23,15 @@ import UIKit
 
 extension CGSize {
     
-    func resize(newWidth: CGFloat) -> CGSize {
+    func resize(width: CGFloat) -> CGSize {
         let relativeSideSize = self.width / self.height
-        let newHeight = newWidth / relativeSideSize
-        return CGSize.init(width: newWidth, height: newHeight)
+        let newHeight = width / relativeSideSize
+        return CGSize.init(width: width, height: newHeight)
     }
     
-    func resize(newHeight: CGFloat) -> CGSize {
+    func resize(height: CGFloat) -> CGSize {
         let relativeSideSize = self.width / self.height
-        let newWidth = newHeight * relativeSideSize
-        return CGSize.init(width: newWidth, height: newHeight)
+        let newWidth = height * relativeSideSize
+        return CGSize.init(width: newWidth, height: height)
     }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPDateExtenshion.swift

@@ -23,10 +23,20 @@ import Foundation
 
 extension Date {
     
-    func formatted(as dateFormat: String) -> String {
-        
+    func format(mask: String) -> String {
         let dateFormatter = DateFormatter()
-        dateFormatter.dateFormat = dateFormat
+        dateFormatter.dateFormat = mask
         return dateFormatter.string(from: self)
     }
+    
+    static func create(from value: String) -> Date? {
+        let formatter = DateFormatter()
+        formatter.dateFormat = "dd.MM.yyyy HH:mm"
+        let date = formatter.date(from: value)
+        return date
+    }
+    
+    func add(days: Int) -> Date {
+        return Calendar.current.date(byAdding: .day, value: days, to: self) ?? self
+    }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPStrideableExtension.swift

@@ -23,13 +23,13 @@ import Foundation
 
 extension Strideable {
     
-    public mutating func setIfMore(when value: Self) {
+    mutating func setIfMore(when value: Self) {
         if self > value {
             self = value
         }
     }
     
-    public mutating func setIfFewer(when value: Self) {
+    mutating func setIfFewer(when value: Self) {
         if self < value {
             self = value
         }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPStringExtenshion.swift

@@ -24,6 +24,10 @@ import UIKit
 
 extension String {
     
+    var digits: String {
+        return components(separatedBy: CharacterSet.decimalDigits.inverted).joined()
+    }
+    
     mutating func dropLast(substring: String) {
         if self.hasSuffix(substring) {
             self = String(dropLast(substring.count))
@@ -66,21 +70,32 @@ extension String {
         return false
     }
     
-    mutating func reduce(minimumFractionDigits: Int = 0, maximumFractionDigits: Int) {
-        let formatter = NumberFormatter()
-        formatter.minimumFractionDigits = minimumFractionDigits
-        formatter.maximumFractionDigits = maximumFractionDigits
-        let int = Double(self)
-        if int != nil {
-            let number = NSNumber.init(value: int!)
-            if var newValue = formatter.string(from: number) {
-                newValue.replace(",", with: ".")
-                self = newValue
-            }
-        }
+    var isEmptyContent: Bool {
+        return (self.removeAllSpaces() == "")
+    }
+    
+    var words: [String] {
+        return components(separatedBy: .punctuationCharacters).joined().components(separatedBy: .whitespaces)
+    }
+    
+    func removePrefix(_ prefix: String) -> String {
+        guard self.hasPrefix(prefix) else { return self }
+        return String(self.dropFirst(prefix.count))
     }
     
     mutating func replace(_ replacingString: String, with newString: String) {
         self = self.replacingOccurrences(of: replacingString, with: newString)
     }
+    
+    func replace(_ replacingString: String, with newString: String) -> String {
+        return self.replacingOccurrences(of: replacingString, with: newString)
+    }
+    
+    func slice(from: String, to: String) -> String? {
+        return (range(of: from)?.upperBound).flatMap { substringFrom in
+            (range(of: to, range: substringFrom..<endIndex)?.lowerBound).map { substringTo in
+                String(self[substringFrom..<substringTo])
+            }
+        }
+    }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUIAlertControllerExtenshion.swift

@@ -32,20 +32,19 @@ extension UIAlertController {
         }
     }
     
-    public static func show(title: String, message: String, buttonTitle: String, cancelButtonTitle: String? = nil, complection: @escaping ()->() = {}, on viewController: UIViewController) {
+    static func show(title: String, message: String, buttonTitle: String, cancelButtonTitle: String? = nil, complection: @escaping ()->() = {}, on viewController: UIViewController) {
         let ac = UIAlertController(
             title: title,
             message: message,
             preferredStyle: .alert
         )
         
-        if cancelButtonTitle != nil {
-            ac.addAction(UIAlertAction.init(
-                title: cancelButtonTitle!,
-                style: UIAlertAction.Style.cancel,
-                handler: nil)
-            )
-        }
+        guard cancelButtonTitle != nil else { return }
+        ac.addAction(UIAlertAction.init(
+            title: cancelButtonTitle!,
+            style: UIAlertAction.Style.cancel,
+            handler: nil)
+        )
         
         ac.addAction(UIAlertAction.init(
             title: buttonTitle,
@@ -57,17 +56,15 @@ extension UIAlertController {
         viewController.present(ac, animated: true, completion: nil)
     }
     
-    public static func сonfirm(title: String? = nil, message: String, buttonTitle: String, cancelButtonTitle: String, isDestructive: Bool = false, complection: @escaping (Bool)->(), on viewController: UIViewController) {
+    static func сonfirm(title: String? = nil, message: String, buttonTitle: String, cancelButtonTitle: String, isDestructive: Bool = false, complection: @escaping (Bool)->(), on viewController: UIViewController) {
         let ac = UIAlertController(
             title: title,
             message: message,
             preferredStyle: .actionSheet
         )
         
-        var style = UIAlertAction.Style.default
-        if isDestructive {
-            style = .destructive
-        }
+        let style = isDestructive ? .destructive : UIAlertAction.Style.default
+
         ac.addAction(UIAlertAction.init(
             title: buttonTitle,
             style: style,
@@ -76,11 +73,10 @@ extension UIAlertController {
         }))
         ac.addAction(UIAlertAction.init(
             title: cancelButtonTitle,
-            style: UIAlertAction.Style.default,
+            style: UIAlertAction.Style.cancel,
             handler: { (action) in
                 complection(false)
         }))
-        
         viewController.present(ac, animated: true, completion: nil)
     }
 }
@@ -100,4 +96,11 @@ extension UIAlertController {
         }
         self.addAction(action)
     }
+    
+    func addCancelAction(title: String, complection: @escaping ()->() = {}) {
+        let action = UIAlertAction(title: title, style: .cancel) { (action) in
+            complection()
+        }
+        self.addAction(action)
+    }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUIButtonExtenshion.swift

@@ -60,12 +60,21 @@ extension UIButton {
 
 extension UIButton {
     
-    func setTitle(_ title: String) {
+    func setTitle(_ title: String, color: UIColor? = nil) {
         self.setTitle(title, for: .normal)
+        if let color = color {
+            self.setTitleColor(color)
+        }
     }
     
     func setTitleColor(_ color: UIColor) {
-        self.setTitleColorForNoramlAndHightlightedStates(color: color)
+        self.setTitleColor(color, for: .normal)
+        self.setTitleColor(color.withAlphaComponent(0.7), for: .highlighted)
+    }
+    
+    func setImage(_ image: UIImage) {
+        self.setImage(image, for: .normal)
+        self.imageView?.contentMode = .scaleAspectFit
     }
     
     func removeAllTargets() {
@@ -74,23 +83,18 @@ extension UIButton {
     
     func showText(_ text: String, withComplection completion: (() -> Void)! = {}) {
         let baseText = self.titleLabel?.text ?? " "
-        
-        SPAnimation.animate(0.2,
-                            animations: {
-                                self.titleLabel?.alpha = 0
+        SPAnimation.animate(0.2, animations: {
+            self.titleLabel?.alpha = 0
         }, withComplection: {
             self.setTitle(text, for: .normal)
-            
             SPAnimation.animate(0.2, animations: {
                 self.titleLabel?.alpha = 1
             }, withComplection: {
-                
                 SPAnimation.animate(0.2, animations: {
                     self.titleLabel?.alpha = 0
                 }, delay: 0.35,
                    withComplection: {
                     self.setTitle(baseText, for: .normal)
-                    
                     SPAnimation.animate(0.2, animations: {
                         self.titleLabel?.alpha = 1
                     }, withComplection: {
@@ -102,14 +106,11 @@ extension UIButton {
     }
     
     func setAnimatableText(_ text: String, withComplection completion: (() -> Void)! = {}) {
-        
-        SPAnimation.animate(0.2,
-                            animations: {
-                                self.titleLabel?.alpha = 0
+        SPAnimation.animate(0.3, animations: {
+            self.titleLabel?.alpha = 0
         }, withComplection: {
             self.setTitle(text, for: .normal)
-            
-            SPAnimation.animate(0.2, animations: {
+            SPAnimation.animate(0.3, animations: {
                 self.titleLabel?.alpha = 1
             }, withComplection: {   
                 completion()
@@ -118,25 +119,18 @@ extension UIButton {
     }
     
     func hideContent(completion: (() -> Void)! = {}) {
-        SPAnimation.animate(0.2,
-                            animations: {
-                                self.titleLabel?.alpha = 0
+        SPAnimation.animate(0.25, animations: {
+            self.titleLabel?.alpha = 0
         }, withComplection: {
              completion()
         })
     }
     
     func showContent(completion: (() -> Void)! = {}) {
-        SPAnimation.animate(0.2,
-                            animations: {
-                                self.titleLabel?.alpha = 1
+        SPAnimation.animate(0.25, animations: {
+            self.titleLabel?.alpha = 1
         }, withComplection: {
             completion()
         })
     }
-    
-    func setTitleColorForNoramlAndHightlightedStates(color: UIColor) {
-        self.setTitleColor(color, for: .normal)
-        self.setTitleColor(color.withAlphaComponent(0.7), for: .highlighted)
-    }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUICollectionViewExtenshion.swift

@@ -29,4 +29,28 @@ extension UICollectionView {
         let visibleIndexPath = self.indexPathForItem(at: visiblePoint)
         return visibleIndexPath
     }
+    
+    func lastRow(indexPath: IndexPath) -> Int {
+        return self.numberOfItems(inSection: indexPath.section) - 1
+    }
+    
+    func isLastRow(indexPath: IndexPath) -> Bool {
+        return indexPath.row == self.lastRow(indexPath: indexPath)
+    }
+    
+    func reloadData(animated: Bool, complection: @escaping ()->() = {}) {
+        if animated {
+            UIView.transition(
+                with: self,
+                duration: 0.3,
+                options: [.transitionCrossDissolve, UIView.AnimationOptions.beginFromCurrentState],
+                animations: {
+                    self.reloadData()
+            }, completion: {(state) in
+                complection()
+            })
+        } else {
+            self.reloadData()
+        }
+    }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUIColorExtension.swift

@@ -21,7 +21,7 @@
 
 import UIKit
 
-public extension UIColor {
+extension UIColor {
     
     convenience init(hex: String) {
         var red:   CGFloat = 0.0

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUIFontExtenshion.swift

@@ -0,0 +1,61 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+extension UIFont {
+    
+    static func system(weight: FontWeight, size: CGFloat) -> UIFont {
+        return UIFont.systemFont(ofSize: size, weight: self.weight(for: weight))
+    }
+    
+    private static func weight(for weight: FontWeight) -> UIFont.Weight {
+        switch weight {
+        case .ultraLight:
+            return UIFont.Weight.ultraLight
+        case .light:
+            return UIFont.Weight.light
+        case .medium:
+            return UIFont.Weight.medium
+        case .regular:
+            return UIFont.Weight.regular
+        case .bold:
+            return UIFont.Weight.bold
+        case .demiBold:
+            return UIFont.Weight.semibold
+        case .heavy:
+            return UIFont.Weight.heavy
+        default:
+            return UIFont.Weight.regular
+        }
+    }
+    
+    enum FontWeight {
+        case regular
+        case medium
+        case light
+        case ultraLight
+        case heavy
+        case bold
+        case demiBold
+        case none
+    }
+}

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUIImageExtension.swift

@@ -0,0 +1,43 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+extension UIImage {
+    
+    func resize(width: CGFloat) -> UIImage {
+        let scale = width / self.size.width
+        let newHeight = self.size.height * scale
+        UIGraphicsBeginImageContext(CGSize(width: width, height: newHeight))
+        self.draw(in: CGRect(x: 0, y: 0, width: width, height: newHeight))
+        let newImage = UIGraphicsGetImageFromCurrentImageContext()
+        UIGraphicsEndImageContext()
+        return newImage!
+    }
+    
+    var alwaysOriginal: UIImage {
+        return self.withRenderingMode(.alwaysOriginal)
+    }
+    
+    var alwaysTemplate: UIImage {
+        return self.withRenderingMode(.alwaysTemplate)
+    }
+}

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUIImageViewExtenshion.swift

@@ -23,18 +23,13 @@ import UIKit
 
 extension UIImageView {
     
-    public func setNativeStyle() {
+    func setNative() {
         self.layer.borderWidth = 0.5
-        self.layer.borderColor = SPNativeStyleKit.Colors.midGray.cgColor
+        self.layer.borderColor = SPNativeColors.midGray.cgColor
         self.layer.masksToBounds = true
     }
     
-    public func removeNativeStyle() {
-        self.layer.borderWidth = 0
-        self.layer.borderColor = UIColor.clear.cgColor
-    }
-    
-    public func downloadedFrom(url: URL, contentMode mode: UIView.ContentMode = .scaleAspectFit, withComplection complection: @escaping (UIImage?) -> () = {_ in }) {
+    func downloadedFrom(url: URL, contentMode mode: UIView.ContentMode = .scaleAspectFit, withComplection complection: @escaping (UIImage?) -> () = {_ in }) {
         DispatchQueue.main.async {
             self.contentMode = mode
         }
@@ -52,7 +47,7 @@ extension UIImageView {
             }.resume()
     }
     
-    public func downloadedFrom(link: String, contentMode mode: UIView.ContentMode = .scaleAspectFit, withComplection complection: @escaping (UIImage?) -> () = {_ in }) {
+    func downloadedFrom(link: String, contentMode mode: UIView.ContentMode = .scaleAspectFit, withComplection complection: @escaping (UIImage?) -> () = {_ in }) {
         guard let url = URL(string: link) else { return }
         downloadedFrom(url: url, contentMode: mode, withComplection: complection)
     }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUILabelExtenshion.swift

@@ -21,7 +21,7 @@
 
 import UIKit
 
-public extension UILabel {
+extension UILabel {
     
     func setShadowOffsetForLetters(blurRadius: CGFloat = 0, widthOffset: CGFloat = 0, heightOffset: CGFloat, opacity: CGFloat) {
         self.layer.shadowRadius = blurRadius
@@ -42,7 +42,7 @@ public extension UILabel {
         self.setShadowOffsetForLetters(blurRadius: 0, widthOffset: 0, heightOffset: 0, opacity: 0)
     }
     
-    func setCenteringAlignment() {
+    func setCenterAlignment() {
         self.textAlignment = .center
         self.baselineAdjustment = .alignCenters
     }
@@ -53,4 +53,41 @@ public extension UILabel {
             attributedText = NSAttributedString(string: textString, attributes: attrs)
         }
     }
+    
+    func setLineSpacing(_ lineSpacing: CGFloat = 0.0, lineHeightMultiple: CGFloat = 0.0) {
+        
+        guard let labelText = self.text else { return }
+        
+        let paragraphStyle = NSMutableParagraphStyle()
+        paragraphStyle.lineSpacing = lineSpacing
+        paragraphStyle.lineHeightMultiple = lineHeightMultiple
+        
+        let attributedString:NSMutableAttributedString
+        if let labelattributedText = self.attributedText {
+            attributedString = NSMutableAttributedString(attributedString: labelattributedText)
+        } else {
+            attributedString = NSMutableAttributedString(string: labelText)
+        }
+        
+        attributedString.addAttribute(NSAttributedString.Key.paragraphStyle, value:paragraphStyle, range:NSMakeRange(0, attributedString.length))
+        
+        self.attributedText = attributedString
+    }
+    
+    func setFormat(text: String, positions: [(start: Int, length: Int)], hithiglightFont: UIFont, higlightColor: UIColor) {
+        
+        let title = NSMutableAttributedString.init(string: text)
+        
+        for position in positions {
+            title.addAttributes(
+                [
+                    NSAttributedString.Key.foregroundColor : higlightColor,
+                    NSAttributedString.Key.font : hithiglightFont
+                ],
+                range: NSRange.init(location: position.start, length: position.length)
+            )
+        }
+        
+        self.attributedText = title
+    }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUINavigationControllerExtenshion.swift

@@ -25,7 +25,11 @@ extension UINavigationController {
     
     static var elementsColor: UIColor {
         get {
-            return UINavigationBar.appearance().tintColor
+            if UINavigationBar.appearance().tintColor != nil {
+                return UINavigationBar.appearance().tintColor
+            } else {
+                return SPNativeColors.blue
+            }
         }
         set {
             UINavigationBar.appearance().tintColor = newValue

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUITabBarControllerExtenshion.swift

@@ -21,35 +21,32 @@
 
 import UIKit
 
-extension UIWindow {
+extension UITabBarController {
     
-    static var key: UIWindow? {
-        return UIApplication.shared.keyWindow
+    static var elementsColor: UIColor {
+        get {
+            if UITabBar.appearance().tintColor != nil {
+                return UITabBar.appearance().tintColor
+            } else {
+                return SPNativeColors.blue
+            }
+        }
+        set {
+            UINavigationBar.appearance().tintColor = newValue
+        }
     }
     
-    static var topSafeArea: CGFloat {
-        var topSafeArea: CGFloat = 0
-        if let window = UIWindow.key {
-            if #available(iOS 11.0, *) {
-                topSafeArea = window.safeAreaInsets.top
-            }
-        } else {
-            topSafeArea = 0
-        }
+    func addTabBarItem(title: String, image: UIImage, selectedImage: UIImage? = nil, controller: UIViewController) {
         
-        return topSafeArea
-    }
-    
-    static var bottomSafeArea: CGFloat {
-        var bottomSafeArea: CGFloat = 0
-        if let window = UIWindow.key {
-            if #available(iOS 11.0, *) {
-                bottomSafeArea = window.safeAreaInsets.bottom
-            }
-        } else {
-            bottomSafeArea = 0
-        }
+        let tabBarItem = UITabBarItem(
+            title: title,
+            image: image,
+            selectedImage: selectedImage ?? image
+        )
         
-        return bottomSafeArea
+        controller.tabBarItem = tabBarItem
+        
+        if self.viewControllers == nil { self.viewControllers = [controller] }
+        else { self.viewControllers?.append(controller) }
     }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUITableView.swift

@@ -36,50 +36,24 @@ extension UITableView {
     }
     
     var lastSectionWithRows: Int? {
-        
-        if self.numberOfSections == 0 {
-            return nil
-        }
-        
+        if self.numberOfSections == 0 { return nil }
         var section = self.numberOfSections - 1
-        
-        if section < 0 {
-            return nil
-        }
-
+        if section < 0 { return nil }
         while section >= 0 {
-
-            if self.numberOfRows(inSection: section) != 0 {
-                return section
-            }
-            
+            if self.numberOfRows(inSection: section) != 0 { return section }
             section -= 1
         }
-        
         return nil
     }
     
     var firstSectionWithRows: Int? {
-        
-        if self.numberOfSections == 0 {
-            return nil
-        }
-        
+        if self.numberOfSections == 0 { return nil }
         var section = 0
-        
-        if section > self.numberOfSections - 1 {
-            return nil
-        }
-        
+        if section > self.numberOfSections - 1 { return nil }
         while section <= (self.numberOfSections - 1) {
-            
-            if self.numberOfRows(inSection: section) != 0 {
-                return section
-            }
-            
+            if self.numberOfRows(inSection: section) != 0 { return section }
             section += 1
         }
-        
         return nil
     }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUITableViewCellExtenshion.swift

@@ -23,7 +23,7 @@ import UIKit
 
 extension UITableViewCell {
     
-    public var accessoryView: UIView? {
+    var accessoryView: UIView? {
         return subviews.compactMap { $0 as? UIButton }.first
     }
     
@@ -33,12 +33,12 @@ extension UITableViewCell {
         }
         set {
             let backgroundView = UIView()
-            backgroundView.backgroundColor = SPNativeStyleKit.Colors.customGray
+            backgroundView.backgroundColor = SPNativeColors.customGray
             self.selectedBackgroundView = backgroundView
         }
     }
     
-    public func highlight() {
+    func highlight() {
         self.setHighlighted(true, animated: false)
         self.setHighlighted(false, animated: true)
     }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUIViewControllerExtenshion.swift

@@ -39,7 +39,6 @@ extension UIViewController {
     }
 }
 
-//MARK: - Keyboard
 extension UIViewController {
     
     func dismissKeyboardWhenTappedAround() {
@@ -53,16 +52,13 @@ extension UIViewController {
     }
 }
 
-//MARK: - Add image to Library
 extension UIViewController {
     
     func save(image: UIImage) {
-        if SPPermission.isAllow(.photoLibrary) {
+        if PHPhotoLibrary.authorizationStatus() == PHAuthorizationStatus.authorized {
             UIImageWriteToSavedPhotosAlbum(image, self, #selector(self.image(_:didFinishSavingWithError:contextInfo:)), nil)
         } else {
-            SPPermission.request(.photoLibrary) {
-                UIImageWriteToSavedPhotosAlbum(image, self, #selector(self.image(_:didFinishSavingWithError:contextInfo:)), nil)
-            }
+            print("Saving image error. Not allowed permission")
         }
     }
     
@@ -107,7 +103,6 @@ extension UIViewController {
     }
 }
 
-//MARK: - Navigation Bar
 extension UIViewController {
     
     func setPrefersLargeNavigationTitle(_ title: String, smallScreenToSmallBar: Bool = true) {
@@ -129,31 +124,40 @@ extension UIViewController {
         switch style {
         case .large:
             if #available(iOS 11.0, *) {
+                self.navigationController?.navigationBar.prefersLargeTitles = true
                 self.navigationItem.largeTitleDisplayMode = .always
             }
         case .small:
             if #available(iOS 11.0, *) {
                 self.navigationItem.largeTitleDisplayMode = .never
             }
-        }
+        case .stork:
+            if #available(iOS 11.0, *) {
+                self.navigationItem.largeTitleDisplayMode = .never
+            }
+        case .noContent:
+            if #available(iOS 11.0, *) {
+                self.navigationItem.largeTitleDisplayMode = .never
+            }
+        }        
     }
 }
 
 extension UIViewController {
     
-    var topSafeArea: CGFloat {
-        return self.view.topSafeArea
-    }
-    
-    var bottomSafeArea: CGFloat {
-        return self.view.bottomSafeArea
+    var safeArea: UIEdgeInsets {
+        if #available(iOS 11.0, *) {
+            return self.view.safeAreaInsets
+        } else {
+            return UIEdgeInsets.zero
+        }
     }
     
     var navigationBarHeight: CGFloat {
         return self.navigationController?.navigationBar.frame.height ?? 0
     }
     
-    var statusBarHeight: CGFloat {
+    static var statusBarHeight: CGFloat {
         return UIApplication.shared.statusBarFrame.height
     }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUIViewExtenshion.swift

@@ -21,49 +21,38 @@
 
 import UIKit
 
-// MARK: - layout
-public extension UIView {
+extension UIView {
     
-    var topSafeArea: CGFloat {
-        var topSafeArea: CGFloat = 0
-        if #available(iOS 11.0, *) {
-            topSafeArea = self.safeAreaInsets.top
+    var controller: UIViewController? {
+        get {
+            if let nextResponder = self.next as? UIViewController { return nextResponder }
+            else if let nextResponder = self.next as? UIView { return nextResponder.controller }
+            else { return nil }
         }
-        return topSafeArea
     }
+}
+
+extension UIView {
     
-    var bottomSafeArea: CGFloat {
-        var bottomSafeArea: CGFloat = 0
+    var safeArea: UIEdgeInsets {
         if #available(iOS 11.0, *) {
-            bottomSafeArea = self.safeAreaInsets.bottom
+            return self.safeAreaInsets
+        } else{
+            return UIEdgeInsets.zero
         }
-        return bottomSafeArea
     }
     
-    func setHeight(_ height: CGFloat) {
-        self.frame = CGRect.init(x: self.frame.origin.x, y: self.frame.origin.y, width: self.frame.width, height: height)
+    func setBounds(_ view: UIView, withWidthFactor widthFactor: CGFloat = 1, maxWidth: CGFloat? = nil, withHeightFactor heightFactor: CGFloat = 1, maxHeight: CGFloat? = nil, withCentering: Bool = false) {
+        self.setBounds(view.bounds, withWidthFactor: widthFactor, maxWidth: maxWidth, withHeightFactor: heightFactor, maxHeight: maxHeight, withCentering: withCentering)
     }
     
-    func setWidth(_ width: CGFloat) {
-        self.frame = CGRect.init(x: self.frame.origin.x, y: self.frame.origin.y, width: width, height: self.frame.height)
-    }
-    
-    func setEqualsFrameFromBounds(_ view: UIView, withWidthFactor widthFactor: CGFloat = 1, maxWidth: CGFloat? = nil, withHeightFactor heightFactor: CGFloat = 1, maxHeight: CGFloat? = nil, withCentering: Bool = false) {
-        
-        self.setEqualsFrameFromBounds(view.bounds, withWidthFactor: widthFactor, maxWidth: maxWidth, withHeightFactor: heightFactor, maxHeight: maxHeight, withCentering: withCentering)
-    }
-    
-    func setEqualsFrameFromBounds(_ bounds: CGRect, withWidthFactor widthFactor: CGFloat = 1, maxWidth: CGFloat? = nil, withHeightFactor heightFactor: CGFloat = 1, maxHeight: CGFloat? = nil, withCentering: Bool = false) {
+    func setBounds(_ bounds: CGRect, withWidthFactor widthFactor: CGFloat = 1, maxWidth: CGFloat? = nil, withHeightFactor heightFactor: CGFloat = 1, maxHeight: CGFloat? = nil, withCentering: Bool = false) {
         
         var width = bounds.width * widthFactor
-        if maxWidth != nil {
-            width.setIfMore(when: maxWidth!)
-        }
+        if maxWidth != nil { width.setIfMore(when: maxWidth!) }
         
         var height = bounds.height * heightFactor
-        if maxHeight != nil {
-            height.setIfMore(when: maxHeight!)
-        }
+        if maxHeight != nil { height.setIfMore(when: maxHeight!) }
         
         self.frame = CGRect.init(x: 0, y: 0, width: width, height: height)
         
@@ -73,28 +62,20 @@ public extension UIView {
         }
     }
     
-    func setEqualsBoundsFromSuperview(customWidth: CGFloat? = nil, customHeight: CGFloat? = nil) {
-        
-        if self.superview == nil {
-            return
-        }
-        
+    func setSuperviewBounds(customWidth: CGFloat? = nil, customHeight: CGFloat? = nil) {
+        if self.superview == nil { return }
         self.frame = CGRect.init(origin: CGPoint.zero, size: self.superview!.frame.size)
-        
         if customWidth != nil {
-            self.frame = CGRect.init(origin: CGPoint.zero, size: CGSize.init(width: customWidth!, height: self.frame.height))
+            self.frame = CGRect.init(origin: CGPoint.zero, size: CGSize.init(width: customWidth!, height: self.superview!.frame.height))
         }
-        
         if customHeight != nil {
-            self.frame = CGRect.init(origin: CGPoint.zero, size: CGSize.init(width: self.frame.width, height: customHeight!))
+            self.frame = CGRect.init(origin: CGPoint.zero, size: CGSize.init(width: self.superview!.frame.width, height: customHeight!))
         }
     }
     
-    func resize(newWidth width: CGFloat) {
+    func resize(width: CGFloat) {
         let relativeFactor = self.frame.width / self.frame.height
-        if relativeFactor.isNaN {
-            return
-        }
+        if relativeFactor.isNaN { return }
         self.frame = CGRect.init(
             x: self.frame.origin.x,
             y: self.frame.origin.y,
@@ -103,11 +84,9 @@ public extension UIView {
         )
     }
     
-    func resize(newHeight height: CGFloat) {
+    func resize(height: CGFloat) {
         let relativeFactor = self.frame.width / self.frame.height
-        if relativeFactor.isNaN {
-            return
-        }
+        if relativeFactor.isNaN { return }
         self.frame = CGRect.init(
             x: self.frame.origin.x,
             y: self.frame.origin.y,
@@ -116,19 +95,23 @@ public extension UIView {
         )
     }
     
-    func setXCenteringFromSuperview() {
+    func setYCenter() {
+        self.center.y = (self.superview?.frame.height ?? 0) / 2
+    }
+    
+    func setXCenter() {
         self.center.x = (self.superview?.frame.width ?? 0) / 2
     }
     
-    func setToCenterInSuperview() {
+    func setToCenter() {
         self.center = CGPoint.init(x: ((self.superview?.frame.width) ?? 0) / 2, y: ((self.superview?.frame.height) ?? 0) / 2)
     }
 }
 
-public extension UIView {
+extension UIView {
     
     func setParalax(amountFactor: CGFloat) {
-        let amount = self.frame.minSideSize * amountFactor
+        let amount = self.frame.minSide * amountFactor
         self.setParalax(amount: amount)
     }
     
@@ -148,29 +131,19 @@ public extension UIView {
     }
 }
 
-// MARK: - convertToImage
-public extension UIView {
-    
-    func convertToImage() -> UIImage {
-        return UIImage.drawFromView(view: self)
-    }
-}
-
-// MARK: - gradeView
-public extension UIView {
+extension UIView {
     
     func addGrade(alpha: CGFloat, color: UIColor = UIColor.black) -> UIView {
         let gradeView = UIView.init()
         gradeView.alpha = 0
         self.addSubview(gradeView)
-        SPConstraintsAssistent.setEqualSizeConstraint(gradeView, superVuew: self)
+        SPConstraints.setEqualSizeSuperview(for: gradeView)
         gradeView.alpha = alpha
         gradeView.backgroundColor = color
         return gradeView
     }
 }
 
-// MARK: - shadow
 extension UIView {
     
     func setShadow(
@@ -188,14 +161,14 @@ extension UIView {
         let xTranslation = (self.frame.width - shadowWidth) / 2 + (self.frame.width * xTranslationFactor)
         let yTranslation = (self.frame.height - shadowHeight) / 2 + (self.frame.height * yTranslationFactor)
         
-        let cornerRadius = self.frame.minSideSize * cornerRadiusFactor
+        let cornerRadius = self.frame.minSide * cornerRadiusFactor
         
         let shadowPath = UIBezierPath.init(
             roundedRect: CGRect.init(x: xTranslation, y: yTranslation, width: shadowWidth, height: shadowHeight),
             cornerRadius: cornerRadius
         )
         
-        let blurRadius = self.frame.minSideSize * blurRadiusFactor
+        let blurRadius = self.frame.minSide * blurRadiusFactor
         
         self.layer.shadowColor = UIColor.black.cgColor
         self.layer.shadowOffset = CGSize.zero
@@ -249,7 +222,6 @@ extension UIView {
     }
 }
 
-// MARK: - animation
 extension UIView {
     
     func addCornerRadiusAnimation(to: CGFloat, duration: CFTimeInterval) {
@@ -282,7 +254,6 @@ extension UIView {
     }
 }
 
-// MARK: - corner radius
 extension UIView {
     
     func roundCorners(_ corners: UIRectCorner, radius: CGFloat) {
@@ -293,6 +264,6 @@ extension UIView {
     }
     
     func round() {
-        self.layer.cornerRadius = self.frame.minSideSize / 2
+        self.layer.cornerRadius = self.frame.minSide / 2
     }
 }

Example/stork-controller/Frameworks/SparrowKit/Extension/SPUIVisualEffectViewExtenshion.swift

@@ -21,15 +21,16 @@
 
 import UIKit
 
-struct SPApp {
+extension UIVisualEffectView {
     
-    static var udid: String? {
-        return UIDevice.current.identifierForVendor?.uuidString
+    convenience init(style: UIBlurEffect.Style) {
+        let effect = UIBlurEffect(style: style)
+        self.init(effect: effect)
     }
     
-    static var displayName: String? {
-        return Bundle.main.object(forInfoDictionaryKey: "CFBundleDisplayName") as? String
+    convenience init(vibrancy style: UIBlurEffect.Style) {
+        let effect = UIBlurEffect(style: style)
+        let vibrancyEffect = UIVibrancyEffect(blurEffect: effect)
+        self.init(effect: vibrancyEffect)
     }
-    
-    private init() {}
 }

Example/stork-controller/Frameworks/SparrowKit/Layout/SPLayout.swift

@@ -21,22 +21,34 @@
 
 import UIKit
 
-class SPLayout {
+struct SPLayout {
     
-    static func sizeWith(widthFactor: CGFloat, maxWidth: CGFloat, heightFactor: CGFloat, maxHeight: CGFloat, relativeSideFactor: CGFloat, from relativeSize: CGSize) -> CGSize {
+    static func sizeWith(widthFactor: CGFloat, maxWidth: CGFloat?, heightFactor: CGFloat, maxHeight: CGFloat?, relativeSideFactor: CGFloat?, from size: CGSize) -> CGSize {
         
-        var widthArea = relativeSize.width * widthFactor
-        var heightArea = relativeSize.height * heightFactor
+        var widthArea = size.width * widthFactor
+        var heightArea = size.height * heightFactor
         
-        widthArea.setIfMore(when: maxWidth)
-        heightArea.setIfMore(when: maxHeight)
+        if let maxWidth = maxWidth {
+            widthArea.setIfMore(when: maxWidth)
+        }
+        
+        if let maxHeight = maxHeight {
+            heightArea.setIfMore(when: maxHeight)
+        }
         
         var prepareWidth = widthArea
-        var prepareHeight = widthArea / relativeSideFactor
-        if prepareHeight > heightArea {
-            prepareHeight = heightArea
-            prepareWidth = heightArea * relativeSideFactor
+        var prepareHeight = heightArea
+        
+        if let relativeSideFactor = relativeSideFactor {
+            prepareHeight = widthArea / relativeSideFactor
+            if prepareHeight > heightArea {
+                prepareHeight = heightArea
+                prepareWidth = heightArea * relativeSideFactor
+            }
         }
+        
         return CGSize.init(width: prepareWidth, height: prepareHeight)
     }
+    
+    private init() {}
 }

Example/stork-controller/Frameworks/SparrowKit/Local Authentication/SPLocalAuthentication.swift

@@ -0,0 +1,60 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+import LocalAuthentication
+
+struct SPLocalAuthentication {
+    
+    static var isEnable: Bool {
+        let context = LAContext()
+        var error: NSError?
+        if context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error) {
+            return true
+        } else {
+            if context.canEvaluatePolicy(.deviceOwnerAuthentication, error: &error) {
+                return true
+            } else {
+                return false
+            }
+        }
+    }
+    
+    static func request(reason: String, complecton: @escaping (Bool)->()) {
+        let context = LAContext()
+        var error: NSError?
+        if context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error) {
+            context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: reason) { success, error in
+                DispatchQueue.main.async { complecton(success) }
+            }
+        } else {
+            if context.canEvaluatePolicy(.deviceOwnerAuthentication, error: &error) {
+                context.evaluatePolicy(.deviceOwnerAuthentication, localizedReason: reason) { success, error in
+                    DispatchQueue.main.async { complecton(success) }
+                }
+            } else {
+                complecton(false)
+            }
+        }
+    }
+    
+    private init() {}
+}

Example/stork-controller/Frameworks/SparrowKit/Mail/SPMail.swift

@@ -28,7 +28,7 @@ struct SPMail {
         return MFMailComposeViewController.canSendMail()
     }
     
-    static func openMailApp(to email: String, subject: String? = nil, body: String? = nil) {
+    static func openApp(to email: String, subject: String? = nil, body: String? = nil) {
         let parametrs = "mailto:\(email)?subject=\(subject ?? "")&body=\(body ?? "")".addingPercentEncoding(withAllowedCharacters: CharacterSet.urlQueryAllowed)
         
         if parametrs != nil {
@@ -40,7 +40,7 @@ struct SPMail {
         }
     }
     
-    static func mailDialog(to email: String, subject: String? = nil, body: String? = nil, on viewController: UIViewController) {
+    static func dialog(to email: String, subject: String? = nil, body: String? = nil, on viewController: UIViewController) {
         let mailVC = MFMailComposeViewController()
         mailVC.mailComposeDelegate = SPMailSingltone.sharedInstance
 
@@ -69,7 +69,6 @@ struct SPMail {
     private init() {}
 }
 
-// Helper function inserted by Swift 4.2 migrator.
 fileprivate func convertToUIApplicationOpenExternalURLOptionsKeyDictionary(_ input: [String: Any]) -> [UIApplication.OpenExternalURLOptionsKey: Any] {
 	return Dictionary(uniqueKeysWithValues: input.map { key, value in (UIApplication.OpenExternalURLOptionsKey(rawValue: key), value)})
 }

Example/stork-controller/Frameworks/SparrowKit/Native/SPNativeColors.swift

@@ -0,0 +1,41 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+enum SPNativeColors {
+    
+    static let red = UIColor.init(hex: "FF3B30")
+    static let orange = UIColor.init(hex: "FF9500")
+    static let yellow = UIColor.init(hex: "FFCC00")
+    static let green = UIColor.init(hex: "4CD964")
+    static let tealBlue = UIColor.init(hex: "5AC8FA")
+    static let blue = UIColor.init(hex: "007AFF")
+    static let purple = UIColor.init(hex: "5856D6")
+    static let pink = UIColor.init(hex: "FF2D55")
+    static let white = UIColor.init(hex: "FFFFFF")
+    static let customGray = UIColor.init(hex: "EFEFF4")
+    static let lightGray = UIColor.init(hex: "E5E5EA")
+    static let lightGray2 = UIColor.init(hex: "D1D1D6")
+    static let midGray = UIColor.init(hex: "C7C7CC")
+    static let gray = UIColor.init(hex: "8E8E93")
+    static let black = UIColor.init(hex: "000000")
+}

Example/stork-controller/Frameworks/SparrowKit/Notification/SPLocalNotification.swift

@@ -0,0 +1,88 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+import UserNotifications
+
+struct SPLocalNotification {
+    
+    var identificator: String? = nil
+    var text: String
+    var title: String? = nil
+    var badge: Int = 0
+    var timeInterval: TimeInterval
+    var soundEnabled: Bool = true
+    var category: SPLocalNotificationCategory? = nil
+    
+    init(after timeInterval: TimeInterval, text: String) {
+        self.text = text
+        self.timeInterval = timeInterval
+    }
+    
+    func add() {
+        let identificator = self.identificator ?? "\(self.timeInterval)\(self.text)\(Int.random(min: 0, max: 1000))"
+        
+        let notification = UNNotificationRequest(
+            identifier: identificator,
+            content: self.content,
+            trigger: self.trigger
+        )
+        
+        let center = UNUserNotificationCenter.current()
+        center.add(notification) { (error) in
+            if let error = error {
+                print("SPLocalNotification - \(error)")
+            }
+        }
+    }
+    
+    private var content: UNMutableNotificationContent {
+        let content = UNMutableNotificationContent()
+        content.body = self.text
+        content.title = self.title ?? ""
+        content.badge = NSNumber(value: UIApplication.shared.applicationIconBadgeNumber + self.badge)
+        content.sound = self.soundEnabled ? UNNotificationSound.default : nil
+        
+        if let category = self.category {
+            if #available(iOS 12.0, *) {
+                let notificationCategory = UNNotificationCategory(identifier: category.identifier, actions: [], intentIdentifiers: [], hiddenPreviewsBodyPlaceholder: nil, categorySummaryFormat: category.summary, options: [])
+                UNUserNotificationCenter.current().setNotificationCategories([notificationCategory])
+                content.categoryIdentifier = notificationCategory.identifier
+            }
+        }
+        
+        return content
+    }
+    
+    private var trigger: UNTimeIntervalNotificationTrigger {
+        return UNTimeIntervalNotificationTrigger(timeInterval: self.timeInterval, repeats: false)
+    }
+}
+
+struct SPLocalNotificationCategory {
+    
+    var identifier: String
+    var summary: String
+    
+    var countSymbol: String {
+        return "%u"
+    }
+}

Example/stork-controller/Frameworks/SparrowKit/Random/SPRandom.swift

@@ -21,8 +21,9 @@
 
 import UIKit
 
-public extension String {
-    public static func random(count: Int) -> String {
+extension String {
+    
+    static func random(count: Int) -> String {
         let strings = [
             "В доме кардинала от меня не было тайн; не раз видел я, как он усердно перелистывает старинные книги и жадно роется в пыли фамильных рукописей. Когда я как-то упрекнул его за бесполезные бессонные ночи, после которых он впадал в болезненное уныние, он взглянул на меня с горькой улыбкой и раскрыл передо мною историю города Рима. В этой книге, в двадцатой главе жизнеописания папы Александра Шестого, я прочел следующие строки, навсегда оставшиеся в моей памяти",
             "По этому поводу между отцом и сыном завязался спор. Цезарь считал, что достаточно применить одно из тех средств, которые он всегда держал наготове для своих ближайших друзей, а именно: пресловутый ключ, которым то одного, то другого просили отпереть некий шкаф. На ключе был крохотный железный шип – недосмотр слесаря. Каждый, кто трудился над тугим замком, накалывал себе палец и на другой день умирал. Был еще перстень с львиной головой, который Цезарь надевал, когда хотел пожать руку той или иной особе. Лев впивался в кожу этих избранных рук, и через сутки наступала смерть.",
@@ -33,58 +34,47 @@ public extension String {
     }
 }
 
-public extension Bool {
-    public static func random() -> Bool {
-        return arc4random_uniform(2) == 0
-    }
-}
-
-public extension Int {
-    public static func random(_ n: Int) -> Int {
-        return Int(arc4random_uniform(UInt32(n)))
+extension Int {
+    
+    static func random() -> Int {
+        return Int.random(in: 0...Int.max)
     }
     
-    public static func random(min: Int, max: Int) -> Int {
-        return Int(arc4random_uniform(UInt32(max - min - 1))) + min
+    static func random(min: Int, max: Int) -> Int {
+        return Int.random(in: min...max)
     }
 }
 
-public extension Double {
-    public static func random() -> Double {
-        return Double(arc4random()) / 0xFFFFFFFF
+extension Double {
+    
+    static func random() -> Double {
+        return Double.random(in: 0...Double.greatestFiniteMagnitude)
     }
     
-    public static func random(min: Double, max: Double) -> Double {
-        return Double.random() * (max - min) + min
+    static func random(min: Double, max: Double) -> Double {
+        return Double.random(in: min...max)
     }
 }
 
-public extension Float {
-    public static func random() -> Float {
-        return Float(arc4random()) / 0xFFFFFFFF
+extension Float {
+    
+    static func random() -> Float {
+        return Float.random(in: 0...Float.greatestFiniteMagnitude)
     }
     
-    public static func random(min: Float, max: Float) -> Float {
-        return Float.random() * (max - min) + min
+    static func random(min: Float, max: Float) -> Float {
+        return Float.random(in: min...max)
     }
 }
 
-public extension CGFloat {
-    public static func random() -> CGFloat {
-        return CGFloat(Float(arc4random()) / 0xFFFFFFFF)
+extension CGFloat {
+    
+    static func random() -> CGFloat {
+        return CGFloat.random(in: 0...CGFloat.greatestFiniteMagnitude)
     }
     
-    public static func random(min: CGFloat, max: CGFloat) -> CGFloat {
-        return CGFloat.random() * (max - min) + min
-    }
-}
-
-public extension Collection {
-    /// Return a copy of `self` with its elements shuffled
-    func shuffle() -> [Iterator.Element] {
-        var list = Array(self)
-        list.shuffleInPlace()
-        return list
+    static func random(min: CGFloat, max: CGFloat) -> CGFloat {
+        return CGFloat.random(in: min...max)
     }
 }
 
@@ -95,10 +85,10 @@ extension Collection where Index == Int {
     }
 }
 
-public extension MutableCollection where Index == Int {
-    /// Shuffle the elements of `self` in-place.
+extension MutableCollection where Index == Int {
+    
     mutating func shuffleInPlace() {
-        // empty and single-element collections don't shuffle
+        
         if count < 2 { return }
         
         for i in startIndex ..< endIndex - 1 {

Example/stork-controller/Frameworks/SparrowKit/Shadow/SPShadowDeep.swift

@@ -27,13 +27,13 @@ extension SPShadow {
         
         private init() {}
         
-        public static func setFor(label: UILabel) {
+        static func setFor(label: UILabel) {
             var offset = label.frame.height * 0.03
             offset.setIfMore(when: 1)
             label.setShadowOffsetForLetters(heightOffset: offset, opacity: 0.35)
         }
         
-        public static func setFor(view: UIView) {
+        static func setFor(view: UIView) {
             
             let xTranslationFactor: CGFloat = 0
             let yTranslationFactor: CGFloat = 0.18
@@ -66,7 +66,7 @@ extension SPShadow {
                 yTranslation = view.frame.height + maxBottomSpace - shadowHeight
             }
             
-            var blurRadius = view.frame.minSideSize * blurRadiusFactor
+            var blurRadius = view.frame.minSide * blurRadiusFactor
             blurRadius.setIfMore(when: 10)
             blurRadius.setIfFewer(when: 7)
             

Example/stork-controller/Frameworks/SparrowKit/Share/SPShare.swift

@@ -21,9 +21,9 @@
 
 import UIKit
 
-public struct SPShare {
+struct SPShare {
     
-    public struct Native {
+    struct Native {
         
         static func share(text: String? = nil, fileNames: [String] = [], images: [UIImage] = [], complection: ((_ isSharing: Bool)->())? = nil, sourceView: UIView, on viewController: UIViewController) {
             

Example/stork-controller/Frameworks/SparrowKit/Social/Instagram/SPInstagram.swift

@@ -24,11 +24,7 @@ import UIKit
 class SPInstagram {
     
     static var isSetApp: Bool {
-        if UIApplication.shared.canOpenURL(URL(string: "instagram://user?username=test")!) {
-            return true
-        } else {
-            return false
-        }
+        return UIApplication.shared.canOpenURL(URL(string: "instagram://user?username=test")!)
     }
     
     static func openPost(id: String) {
@@ -38,7 +34,7 @@ class SPInstagram {
         if UIApplication.shared.canOpenURL(instagramUrl!) {
             UIApplication.shared.open(instagramUrl!, options: convertToUIApplicationOpenExternalURLOptionsKeyDictionary([:]), completionHandler: nil)
         } else {
-            SPOpener.Link.redirectToBrowserAndOpen(link: safariURL)
+            SPApp.open(link: safariURL.absoluteString, redirect: true)
         }
     }
     
@@ -49,14 +45,13 @@ class SPInstagram {
         if UIApplication.shared.canOpenURL(instagramUrl!) {
             UIApplication.shared.open(instagramUrl!, options: convertToUIApplicationOpenExternalURLOptionsKeyDictionary([:]), completionHandler: nil)
         } else {
-            SPOpener.Link.redirectToBrowserAndOpen(link: safariURL)
+            SPApp.open(link: safariURL.absoluteString, redirect: true)
         }
     }
     
     private init() {}
 }
 
-// Helper function inserted by Swift 4.2 migrator.
 fileprivate func convertToUIApplicationOpenExternalURLOptionsKeyDictionary(_ input: [String: Any]) -> [UIApplication.OpenExternalURLOptionsKey: Any] {
 	return Dictionary(uniqueKeysWithValues: input.map { key, value in (UIApplication.OpenExternalURLOptionsKey(rawValue: key), value)})
 }

Example/stork-controller/Frameworks/SparrowKit/Social/Telegram/SPTelegram.swift

@@ -24,11 +24,7 @@ import UIKit
 class SPTelegram {
     
     static var isSetApp: Bool {
-        if UIApplication.shared.canOpenURL(URL(string: "tg://msg?text=test")!) {
-            return true
-        } else {
-            return false
-        }
+        return UIApplication.shared.canOpenURL(URL(string: "tg://msg?text=test")!)
     }
     
     static func share(text: String, complection: @escaping (_ isOpened: Bool)->() = {_ in }) {
@@ -47,7 +43,31 @@ class SPTelegram {
     
     static func joinChannel(id: String) {
         let url = "https://t.me/joinchat/\(id)"
-        SPOpener.Link.redirectToBrowserAndOpen(link: url)
+        SPApp.open(link: url, redirect: true)
+    }
+    
+    static func joinChat(id: String) {
+        
+        let openInBrowser = {
+            let url = "https://t.me/joinchat/\(id)"
+            SPApp.open(link: url, redirect: true)
+        }
+        
+        if SPTelegram.isSetApp {
+            let urlStringEncoded = id.addingPercentEncoding( withAllowedCharacters: .urlHostAllowed)
+            let urlOptional = URL(string: "tg://join?invite=\(urlStringEncoded ?? "")")
+            if let url = urlOptional {
+                if UIApplication.shared.canOpenURL(url) {
+                    UIApplication.shared.open(url, options: convertToUIApplicationOpenExternalURLOptionsKeyDictionary([:]), completionHandler: nil)
+                } else {
+                    openInBrowser()
+                }
+            } else {
+                openInBrowser()
+            }
+        } else {
+            openInBrowser()
+        }
     }
     
     static func openBot(username: String) {
@@ -56,13 +76,12 @@ class SPTelegram {
             username.removeFirst()
         }
         let url = "https://telegram.me/\(username)"
-        SPOpener.Link.redirectToBrowserAndOpen(link: url)
+        SPApp.open(link: url, redirect: true)
     }
     
     private init() {}
 }
 
-// Helper function inserted by Swift 4.2 migrator.
 fileprivate func convertToUIApplicationOpenExternalURLOptionsKeyDictionary(_ input: [String: Any]) -> [UIApplication.OpenExternalURLOptionsKey: Any] {
-	return Dictionary(uniqueKeysWithValues: input.map { key, value in (UIApplication.OpenExternalURLOptionsKey(rawValue: key), value)})
+    return Dictionary(uniqueKeysWithValues: input.map { key, value in (UIApplication.OpenExternalURLOptionsKey(rawValue: key), value)})
 }

Example/stork-controller/Frameworks/SparrowKit/Social/Twitter/SPTwitter.swift

@@ -24,11 +24,7 @@ import UIKit
 class SPTwitter {
     
     static var isSetApp: Bool {
-        if UIApplication.shared.canOpenURL(URL(string: "twitter://post?message=test")!) {
-            return true
-        } else {
-            return false
-        }
+        return UIApplication.shared.canOpenURL(URL(string: "twitter://post?message=test")!)
     }
     
     static func share(text: String, complection: @escaping (_ isOpened: Bool)->() = {_ in }) {
@@ -48,7 +44,6 @@ class SPTwitter {
     private init() {}
 }
 
-// Helper function inserted by Swift 4.2 migrator.
 fileprivate func convertToUIApplicationOpenExternalURLOptionsKeyDictionary(_ input: [String: Any]) -> [UIApplication.OpenExternalURLOptionsKey: Any] {
 	return Dictionary(uniqueKeysWithValues: input.map { key, value in (UIApplication.OpenExternalURLOptionsKey(rawValue: key), value)})
 }

Example/stork-controller/Frameworks/SparrowKit/Social/Viber/SPViber.swift

@@ -24,11 +24,7 @@ import UIKit
 class SPViber {
     
     static var isSetApp: Bool {
-        if UIApplication.shared.canOpenURL(URL(string: "viber://forward?text=test")!) {
-            return true
-        } else {
-            return false
-        }
+        return UIApplication.shared.canOpenURL(URL(string: "viber://forward?text=test")!)
     }
     
     static func share(text: String, complection: @escaping (_ isOpened: Bool)->() = {_ in }) {
@@ -48,9 +44,6 @@ class SPViber {
     private init() {}
 }
 
-
-
-// Helper function inserted by Swift 4.2 migrator.
 fileprivate func convertToUIApplicationOpenExternalURLOptionsKeyDictionary(_ input: [String: Any]) -> [UIApplication.OpenExternalURLOptionsKey: Any] {
 	return Dictionary(uniqueKeysWithValues: input.map { key, value in (UIApplication.OpenExternalURLOptionsKey(rawValue: key), value)})
 }

Example/stork-controller/Frameworks/SparrowKit/Social/Whatsapp/SPWhatsApp.swift

@@ -24,11 +24,7 @@ import UIKit
 class SPWhatsApp {
     
     static var isSetApp: Bool {
-        if UIApplication.shared.canOpenURL(URL(string: "whatsapp://send?text=test")!) {
-            return true
-        } else {
-            return false
-        }
+        return UIApplication.shared.canOpenURL(URL(string: "whatsapp://send?text=test")!)
     }
     
     static func share(text: String, complection: @escaping (_ isOpened: Bool)->() = {_ in }) {
@@ -48,7 +44,6 @@ class SPWhatsApp {
     private init() {}
 }
 
-// Helper function inserted by Swift 4.2 migrator.
 fileprivate func convertToUIApplicationOpenExternalURLOptionsKeyDictionary(_ input: [String: Any]) -> [UIApplication.OpenExternalURLOptionsKey: Any] {
 	return Dictionary(uniqueKeysWithValues: input.map { key, value in (UIApplication.OpenExternalURLOptionsKey(rawValue: key), value)})
 }

Example/stork-controller/Frameworks/SparrowKit/Types/SPTypes.swift

@@ -0,0 +1,76 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+enum SPStatusBar {
+    case dark
+    case light
+}
+
+enum SPSystemIcon {
+    case share
+    case close
+    case favorite
+    case favorite_fill
+}
+
+enum SPSocialNetwork {
+    case whatsapp
+    case telegram
+    case vk
+    case facebook
+    case viber
+}
+
+enum SPOauthState {
+    case succsess
+    case unvalidLogin
+    case invalidLogin
+    case unvalidPassword
+    case invalidPassword
+    case needTwoFactor
+    case error
+}
+
+enum SPSeparatorInsetStyle {
+    case beforeImage
+    case all
+    case none
+    case auto
+}
+
+enum SPNavigationTitleStyle {
+    case large
+    case small
+    case stork
+    case noContent
+}
+
+enum SPSystemApp {
+    case photos
+    case setting
+}
+
+enum SPSelectionType {
+    case select
+    case unselect
+}

Example/stork-controller/Frameworks/SparrowKit/UI/Buttons/SPAppStoreActionButton.swift

@@ -26,34 +26,34 @@ class SPAppStoreActionButton: SPDownloadingButton {
     var style: Style = .base {
         didSet {
             
-            self.setTitleColorForNoramlAndHightlightedStates(color: self.baseColor)
+            self.setTitleColor(self.baseColor)
             self.setTitle(self.titleLabel?.text, for: UIControl.State.normal)
             
             switch self.style {
             case .base:
                 self.backgroundColor = self.secondColor
-                self.titleLabel?.font = UIFont.system(type: .Bold, size: 14)
+                self.titleLabel?.font = UIFont.system(weight: .bold, size: 14)
                 self.contentEdgeInsets = UIEdgeInsets.init(top: 6, left: 15, bottom: 6, right: 15)
                 break
             case .main:
                 self.backgroundColor = self.baseColor
                 self.layer.borderWidth = 0
-                self.setTitleColorForNoramlAndHightlightedStates(color: UIColor.white)
-                self.titleLabel?.font = UIFont.system(type: .Bold, size: 14)
+                self.setTitleColor(UIColor.white)
+                self.titleLabel?.font = UIFont.system(weight: .bold, size: 14)
                 self.contentEdgeInsets = UIEdgeInsets.init(top: 6, left: 15, bottom: 6, right: 15)
                 break
             case .buyInStore:
                 self.backgroundColor = self.baseColor
                 self.layer.borderWidth = 0
-                self.setTitleColorForNoramlAndHightlightedStates(color: UIColor.white)
-                self.titleLabel?.font = UIFont.system(type: .Bold, size: 14)
+                self.setTitleColor(UIColor.white)
+                self.titleLabel?.font = UIFont.system(weight: .bold, size: 14)
                 self.contentEdgeInsets = UIEdgeInsets.init(top: 8, left: 15, bottom: 8, right: 15)
                 break
             case .line:
                 self.backgroundColor = UIColor.clear
                 self.layer.borderWidth = 1
                 self.layer.borderColor = self.baseColor.cgColor
-                self.titleLabel?.font = UIFont.system(type: .Medium, size: 14)
+                self.titleLabel?.font = UIFont.system(weight: .medium, size: 14)
                 self.contentEdgeInsets = UIEdgeInsets.init(top: 6, left: 15, bottom: 6, right: 15)
                 break
             }
@@ -73,17 +73,7 @@ class SPAppStoreActionButton: SPDownloadingButton {
         }
     }
     
-    init() {
-        super.init(frame: CGRect.zero)
-        self.commonInit()
-    }
-    
-    required init?(coder aDecoder: NSCoder) {
-        super.init(coder: aDecoder)
-        self.commonInit()
-    }
-    
-    private func commonInit() {
+    override func commonInit() {
         self.style = .base
         self.layer.masksToBounds = true
     }

Example/stork-controller/Frameworks/SparrowKit/UI/Buttons/SPAppleMusicButton.swift

@@ -21,35 +21,45 @@
 
 import UIKit
 
-class SPMengButton: SPGradientButton {
+class SPAppleMusicButton: SPButton {
     
-    override init() {
-        super.init()
-        
-        self.isFrameRounded = true
-        
-        self.contentEdgeInsets = UIEdgeInsets.init(top: 12, left: 21, bottom: 12, right: 21)
-        self.titleLabel?.font = UIFont.system(type: UIFont.BoldType.Bold, size: 17)
-        self.setTitleColorForNoramlAndHightlightedStates(color: UIColor.white)
-        self.layer.masksToBounds = true
-        self.gradientView.layer.masksToBounds = true
-        
-        self.gradientView.setStartColorPosition(SPGradientView.Position.MediumLeft)
-        self.gradientView.setEndColorPosition(SPGradientView.Position.MediumRight)
-        self.gradientView.startColor = UIColor.init(hex: "5737F6")
-        self.gradientView.endColor = UIColor.init(hex: "956BFE")
+    var type: SPSelectionType = .unselect {
+        didSet {
+            self.updateType(animated: false)
+        }
     }
     
-    required init?(coder aDecoder: NSCoder) {
-        fatalError("init(coder:) has not been implemented")
+    var selectColor: UIColor = UIColor.init(hex: "FD2D55") {
+        didSet {
+            self.updateType(animated: false)
+        }
     }
     
-    override func layoutSubviews() {
-        super.layoutSubviews()
-        
-        if self.isFrameRounded {
-            self.gradientView.round()
-            self.round()
+    var baseColor: UIColor = UIColor.init(hex: "F8F7FC") {
+        didSet {
+            self.updateType(animated: false)
+        }
+    }
+    
+    override func commonInit() {
+        super.commonInit()
+        self.layer.cornerRadius = 8
+        self.titleLabel?.font = UIFont.system(weight: .demiBold, size: 15)
+        self.contentEdgeInsets = UIEdgeInsets.init(top: 12, left: 27, bottom: 12, right: 27)
+        self.type = .unselect
+    }
+    
+    private func updateType(animated: Bool) {
+        switch self.type {
+        case .select:
+            self.backgroundColor = self.selectColor
+            self.setTitleColor(UIColor.white)
+            break
+        case .unselect:
+            self.backgroundColor = self.baseColor
+            self.setTitleColor(self.selectColor)
+            break
         }
     }
 }
+

Example/stork-controller/Frameworks/SparrowKit/UI/Buttons/SPAppleMusicSectionButtonsView.swift

@@ -0,0 +1,93 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+class SPAppleMusicSectionButtonsView: SPView {
+    
+    let topSeparatorView = SPSeparatorView()
+    let bottomSeparatorView = SPSeparatorView()
+    let leftButton = SPAppleMusicButton()
+    let rightButton = SPAppleMusicButton()
+    
+    var sectionHeight: CGFloat = 92 {
+        didSet { self.layoutSubviews() }
+    }
+    
+    var buttonsSpace: CGFloat = 18 {
+        didSet { self.layoutSubviews() }
+    }
+    
+    var selectColor: UIColor = UIColor.init(hex: "FD2D55") {
+        didSet {
+            self.leftButton.selectColor = selectColor
+            self.rightButton.selectColor = selectColor
+        }
+    }
+    
+    var baseColor: UIColor = UIColor.init(hex: "F8F7FC") {
+        didSet {
+            self.leftButton.baseColor = baseColor
+            self.rightButton.baseColor = baseColor
+        }
+    }
+    
+    override func commonInit() {
+        super.commonInit()
+        self.addSubview(self.topSeparatorView)
+        self.addSubview(self.bottomSeparatorView)
+        
+        for button in [self.leftButton, self.rightButton] {
+            button.type = .unselect
+            button.setTitle("Title")
+            self.addSubview(button)
+        }
+    }
+    
+    func layout(origin: CGPoint, width: CGFloat) {
+        self.frame.origin = origin
+        self.frame.set(width: width, height: sectionHeight)
+        self.layoutSubviews()
+    }
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        
+        self.topSeparatorView.frame.origin = .zero
+        self.topSeparatorView.frame.set(width: self.frame.width)
+        
+        self.bottomSeparatorView.frame.origin.x = 0
+        self.bottomSeparatorView.frame.bottomY = self.frame.height
+        self.bottomSeparatorView.frame.set(width: self.frame.width)
+        
+        let buttonWidth = (self.frame.width - self.buttonsSpace) / 2
+        
+        self.leftButton.sizeToFit()
+        self.leftButton.frame.set(width: buttonWidth)
+        self.leftButton.frame.origin.x = 0
+        self.leftButton.center.y = self.frame.height / 2
+        
+        self.rightButton.sizeToFit()
+        self.rightButton.frame.set(width: buttonWidth)
+        self.rightButton.frame.bottomX = self.frame.width
+        self.rightButton.center.y = self.frame.height / 2
+    }
+}

Example/stork-controller/Frameworks/SparrowKit/UI/Buttons/SPButton.swift

@@ -0,0 +1,98 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+class SPButton: UIButton {
+    
+    override func imageRect(forContentRect contentRect: CGRect) -> CGRect {
+        if self.title(for: .normal) != nil {
+            let inset: CGFloat = 6
+            let sideSize = self.frame.height - inset * 2
+            let titleFrame = self.titleRect(forContentRect: contentRect)
+            return CGRect.init(x: titleFrame.origin.x - sideSize - 6, y: 0, width: sideSize, height: self.frame.height)
+        } else {
+            return super.imageRect(forContentRect: contentRect)
+        }
+    }
+    
+    override var isHighlighted: Bool {
+        didSet {
+            if self.isHighlighted {
+                self.imageView?.alpha = 0.7
+            } else {
+                self.imageView?.alpha = 1
+            }
+        }
+    }
+    
+    var gradientView: SPGradientView? {
+        didSet {
+            self.gradientView?.isUserInteractionEnabled = false
+            if self.gradientView?.superview == nil {
+                if self.gradientView != nil {
+                    if self.imageView != nil {
+                        self.insertSubview(self.gradientView!, belowSubview: self.imageView!)
+                    }
+                }
+            }
+        }
+    }
+    
+    var rounded: Bool = false {
+        didSet {
+            self.layoutSubviews()
+        }
+    }
+    
+    init() {
+        super.init(frame: CGRect.zero)
+        self.commonInit()
+    }
+    
+    required init?(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+        self.commonInit()
+    }
+    
+    internal func commonInit() {
+        self.adjustsImageWhenHighlighted = false
+    }
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        self.gradientView?.setSuperviewBounds()
+        if self.rounded {
+            self.round()
+        }
+    }
+    
+    func set(enable: Bool, animatable: Bool) {
+        self.isEnabled = enable
+        if animatable {
+            SPAnimation.animate(0.3, animations: {
+                self.alpha = enable ? 1 : 0.6
+            })
+        } else {
+            self.alpha = enable ? 1 : 0.6
+        }
+    }
+}

Example/stork-controller/Frameworks/SparrowKit/UI/Buttons/SPCircleCloseButton.swift

@@ -0,0 +1,52 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+class SPCircleCloseButton: SPSystemIconButton {
+    
+    var side: CGFloat = 30
+    
+    override init() {
+        super.init(type: .close)
+        self.rounded = true
+        self.backgroundColor = SPNativeColors.customGray
+        self.color = SPNativeColors.gray
+        self.widthIconFactor = 0.36
+        self.heightIconFactor = 0.36
+    }
+    
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    func layout(bottomX: CGFloat, y: CGFloat) {
+        self.sizeToFit()
+        self.frame.bottomX = bottomX
+        self.frame.origin.y = y
+    }
+    
+    override func sizeToFit() {
+        super.sizeToFit()
+        self.frame.set(width: self.side)
+        self.frame.set(height: self.side)
+    }
+}

Example/stork-controller/Frameworks/SparrowKit/UI/Buttons/SPDotsButton.swift

@@ -0,0 +1,100 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+class SPDotButton: SPButton {
+    
+    var customSideSize: CGFloat = 26 {
+        didSet {
+            self.sizeToFit()
+        }
+    }
+    
+    var dotColor: UIColor = UIColor.white {
+        didSet {
+            for dotView in self.dotsView {
+                dotView.backgroundColor = self.dotColor
+            }
+        }
+    }
+    
+    override var isHighlighted: Bool{
+        didSet{
+            if isHighlighted{
+                UIView.animate(withDuration: 0.1, delay: 0.0, usingSpringWithDamping: 1, initialSpringVelocity: 1.0, options: [.curveEaseOut, .beginFromCurrentState], animations: {
+                    for dotView in self.dotsView {
+                        dotView.alpha = 0.35
+                    }
+                }, completion: nil)
+            }else{
+                UIView.animate(withDuration: 0.35, delay: 0.0, usingSpringWithDamping: 1, initialSpringVelocity: 1.0, options: [.curveEaseOut, .beginFromCurrentState], animations: {
+                    for dotView in self.dotsView {
+                        dotView.alpha = 1
+                    }
+                }, completion: nil)
+            }
+        }
+    }
+    
+    private var dotsView: [UIView] = []
+    
+    override func commonInit() {
+        super.commonInit()
+        self.backgroundColor = UIColor.black.withAlphaComponent(0.5)
+        for _ in 0...2 {
+            let dotView = UIView()
+            dotView.isUserInteractionEnabled = false
+            dotView.backgroundColor = self.dotColor
+            self.dotsView.append(dotView)
+            self.addSubview(dotView)
+        }
+    }
+    
+    override func sizeToFit() {
+        super.sizeToFit()
+        self.frame.set(width: self.customSideSize)
+        self.frame.set(height: self.customSideSize)
+        self.layoutSubviews()
+    }
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+
+        let space: CGFloat = 2
+        let sideSize: CGFloat = 4
+        
+        let insest: CGFloat = (self.frame.width - (sideSize * 3) - (space * 2)) / 2
+
+        var currentXPosition: CGFloat = insest
+        
+        for dotView in self.dotsView {
+            dotView.frame.set(width: sideSize)
+            dotView.frame.set(height: sideSize)
+            dotView.setYCenter()
+            dotView.frame.origin.x = currentXPosition
+            dotView.round()
+            currentXPosition += (sideSize + space)
+        }
+        
+        self.round()
+    }
+}

Example/stork-controller/Frameworks/SparrowKit/UI/Buttons/SPDownloadingButton.swift

@@ -21,10 +21,9 @@
 
 import UIKit
 
-class SPDownloadingButton: UIButton {
+class SPDownloadingButton: SPButton {
     
     let activityIndicatorView = UIActivityIndicatorView.init()
-    var isFrameRounded: Bool = false
     
     func startLoading() {
         self.activityIndicatorView.alpha = 0
@@ -39,7 +38,10 @@ class SPDownloadingButton: UIButton {
         })
     }
     
-    func stopLoading() {
+    func stopLoading(newText: String? = nil) {
+        if let newText = newText {
+            self.setTitle(newText)
+        }
         SPAnimation.animate(0.2, animations: {
             self.activityIndicatorView.alpha = 0
         }, withComplection: {
@@ -53,10 +55,6 @@ class SPDownloadingButton: UIButton {
     override func layoutSubviews() {
         super.layoutSubviews()
         self.activityIndicatorView.center = CGPoint.init(x: self.frame.width / 2, y: self.frame.height / 2)
-        
-        if self.isFrameRounded {
-            self.round()
-        }
     }
 }
 

Example/stork-controller/Frameworks/SparrowKit/UI/Buttons/SPNativeLargeButton.swift

@@ -21,32 +21,32 @@
 
 import UIKit
 
-class SPNativeOS11Button: SPDownloadingButton {
+class SPNativeLargeButton: SPDownloadingButton {
     
     override var isHighlighted: Bool {
         didSet {
-            if isHighlighted {
-                self.backgroundColor = self.backgroundColor?.withAlphaComponent(0.7)
+            if self.gradientView == nil {
+                if isHighlighted {
+                    self.backgroundColor = self.backgroundColor?.withAlphaComponent(0.7)
+                } else {
+                    self.backgroundColor = self.backgroundColor?.withAlphaComponent(1)
+                }
             } else {
-                self.backgroundColor = self.backgroundColor?.withAlphaComponent(1)
+                self.backgroundColor = self.backgroundColor?.withAlphaComponent(0)
+                if isHighlighted {
+                    self.gradientView?.alpha = 0.7
+                } else {
+                    self.gradientView?.alpha = 1
+                }
             }
         }
     }
-
-    init() {
-        super.init(frame: CGRect.zero)
-        self.commonInit()
-    }
     
-    required init?(coder aDecoder: NSCoder) {
-        super.init(coder: aDecoder)
-        self.commonInit()
-    }
-    
-    private func commonInit() {
-        self.titleLabel?.font = UIFont.system(type: UIFont.BoldType.DemiBold, size: 16)
-        self.setTitleColorForNoramlAndHightlightedStates(color: UIColor.white)
-        self.backgroundColor = SPNativeStyleKit.Colors.blue
+    override func commonInit() {
+        super.commonInit()
+        self.titleLabel?.font = UIFont.system(weight: UIFont.FontWeight.demiBold, size: 16)
+        self.setTitleColor(UIColor.white)
+        self.backgroundColor = SPNativeColors.blue
         self.layer.masksToBounds = true
         self.layer.cornerRadius = 8
         self.contentEdgeInsets = UIEdgeInsets.init(top: 15, left: 15, bottom: 15, right: 15)
@@ -58,8 +58,15 @@ class SPNativeOS11Button: SPDownloadingButton {
             let sideSpace: CGFloat = superview.frame.width * 0.112
             var width = superview.frame.width - sideSpace * 2
             width.setIfMore(when: 335)
-            self.setWidth(width)
+            self.frame.set(width: width)
         }
     }
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        self.gradientView?.setSuperviewBounds()
+        self.gradientView?.layer.cornerRadius = self.layer.cornerRadius
+        self.gradientView?.gradientLayer.cornerRadius = self.layer.cornerRadius
+    }
 }
 

Example/stork-controller/Frameworks/SparrowKit/UI/Buttons/SPPlayCircleButton.swift

@@ -39,7 +39,7 @@ class SPPlayCircleButton: UIButton {
         }
     }
     
-    var iconColor = SPNativeStyleKit.Colors.white {
+    var iconColor = SPNativeColors.white {
         didSet {
             self.iconView.color = self.iconColor
         }
@@ -52,7 +52,7 @@ class SPPlayCircleButton: UIButton {
         self.addSubview(self.iconView)
         self.iconView.isUserInteractionEnabled = false
         self.setTitle("", for: .normal)
-        self.backgroundColor = SPNativeStyleKit.Colors.blue
+        self.backgroundColor = SPNativeColors.blue
         self.audioState = .play
     }
     
@@ -62,7 +62,7 @@ class SPPlayCircleButton: UIButton {
     
     override func layoutSubviews() {
         super.layoutSubviews()
-        self.iconView.setEqualsFrameFromBounds(self, withWidthFactor: 0.45, withHeightFactor: 0.45, withCentering: true)
+        self.iconView.setBounds(self, withWidthFactor: 0.45, withHeightFactor: 0.45, withCentering: true)
         self.round()
     }
     
@@ -71,7 +71,5 @@ class SPPlayCircleButton: UIButton {
         case pause
         case stop
     }
-    
-    
 }
 

Example/stork-controller/Frameworks/SparrowKit/UI/Buttons/SPSocialButton.swift

@@ -21,7 +21,7 @@
 
 import UIKit
 
-class SPSocialIconButton: UIButton {
+class SPSocialButton: UIButton {
     
     let iconView = SPSocialIconView.init()
     var widthIconFactor: CGFloat = 0.5
@@ -75,13 +75,13 @@ class SPSocialIconButton: UIButton {
     fileprivate func commonInit() {
         self.iconView.isUserInteractionEnabled = false
         self.addSubview(self.iconView)
-        self.backgroundColor = SPNativeStyleKit.Colors.blue
-        self.iconView.color = SPNativeStyleKit.Colors.white
+        self.backgroundColor = SPNativeColors.blue
+        self.iconView.color = SPNativeColors.white
     }
     
     override func layoutSubviews() {
         super.layoutSubviews()
-        self.iconView.setEqualsFrameFromBounds(self, withWidthFactor: self.widthIconFactor, withHeightFactor: self.heightIconFactor, withCentering: true)
+        self.iconView.setBounds(self, withWidthFactor: self.widthIconFactor, withHeightFactor: self.heightIconFactor, withCentering: true)
         self.round()
     }
 }

Example/stork-controller/Frameworks/SparrowKit/UI/Buttons/SPSystemIconButton.swift

@@ -21,19 +21,20 @@
 
 import UIKit
 
-class SPSystemIconButton: UIButton {
+class SPSystemIconButton: SPButton {
     
     let iconView = SPSystemIconView.init()
+    
     var widthIconFactor: CGFloat = 1
     var heightIconFactor: CGFloat = 1
     
-    var type: SPSystemIconType {
+    var icon: SPSystemIcon {
         didSet {
-            self.iconView.type = self.type
+            self.iconView.icon = self.icon
         }
     }
     
-    var color = SPNativeStyleKit.Colors.blue {
+    var color = SPNativeColors.blue {
         didSet {
             self.iconView.color = self.color
         }
@@ -49,17 +50,17 @@ class SPSystemIconButton: UIButton {
         }
     }
     
-    init() {
-        self.type = .share
-        super.init(frame: CGRect.zero)
+    override init() {
+        self.icon = .share
+        super.init()
         self.commonInit()
     }
     
-    init(type: SPSystemIconType) {
-        self.type = type
-        super.init(frame: CGRect.zero)
-        self.iconView.type = self.type
-        self.type = type
+    init(type: SPSystemIcon) {
+        self.icon = type
+        super.init()
+        self.iconView.icon = self.icon
+        self.icon = type
         self.commonInit()
     }
     
@@ -67,14 +68,14 @@ class SPSystemIconButton: UIButton {
         fatalError("init(coder:) has not been implemented")
     }
     
-    fileprivate func commonInit() {
+    override func commonInit() {
+        super.commonInit()
         self.iconView.isUserInteractionEnabled = false
         self.addSubview(self.iconView)
     }
     
     override func layoutSubviews() {
         super.layoutSubviews()
-        self.iconView.setEqualsFrameFromBounds(self, withWidthFactor: self.widthIconFactor, withHeightFactor: self.heightIconFactor, withCentering: true)
+        self.iconView.setBounds(self, withWidthFactor: self.widthIconFactor, withHeightFactor: self.heightIconFactor, withCentering: true)
     }
-    
 }

Example/stork-controller/Frameworks/SparrowKit/UI/Code Draw/SPAudioIconView.swift

@@ -29,7 +29,7 @@ class SPAudioIconView: UIView {
         }
     }
     
-    var color = SPNativeStyleKit.Colors.white {
+    var color = SPNativeColors.white {
         didSet {
             self.setNeedsDisplay()
         }

Example/stork-controller/Frameworks/SparrowKit/UI/Code Draw/SPGolubevIconView.swift

@@ -29,7 +29,7 @@ class SPGolubevIconView: UIView {
         }
     }
     
-    var whiteColor = SPNativeStyleKit.Colors.white {
+    var whiteColor = SPNativeColors.white {
         didSet {
             self.setNeedsDisplay()
         }
@@ -103,10 +103,13 @@ class SPGolubevIconView: UIView {
         case .headphones:
             SPCodeDraw.GolubevIconPack.drawHeadphones(frame: rect, resizing: .aspectFit, white: self.whiteColor, light: self.lightColor, medium: self.mediumColor, dark: self.darkColor)
             break
+        case .windmill:
+            SPCodeDraw.GolubevIconPack.drawWindmill(frame: rect, resizing: .aspectFit, white: self.whiteColor, light: self.lightColor, medium: self.mediumColor, dark: self.darkColor)
+            break
         }
     }
     
-    public enum IconType {
+    enum IconType {
         case camera
         case photoLibrary
         case ball
@@ -116,6 +119,7 @@ class SPGolubevIconView: UIView {
         case documents
         case compass
         case headphones
+        case windmill
     }
 }
 

Example/stork-controller/Frameworks/SparrowKit/UI/Code Draw/SPSocialIconView.swift

@@ -29,7 +29,7 @@ class SPSocialIconView: UIView {
         }
     }
     
-    var color = SPNativeStyleKit.Colors.blue {
+    var color = SPNativeColors.blue {
         didSet {
             self.setNeedsDisplay()
         }

Example/stork-controller/Frameworks/SparrowKit/UI/Code Draw/SPSystemIconView.swift

@@ -23,26 +23,26 @@ import UIKit
 
 class SPSystemIconView: UIView {
     
-    var type: SPSystemIconType {
+    var icon: SPSystemIcon {
         didSet {
             self.setNeedsDisplay()
         }
     }
     
-    var color = SPNativeStyleKit.Colors.blue {
+    var color = SPNativeColors.blue {
         didSet {
             self.setNeedsDisplay()
         }
     }
     
     init() {
-        self.type = .share
+        self.icon = .share
         super.init(frame: CGRect.zero)
         self.commonInit()
     }
     
-    init(type: SPSystemIconType) {
-        self.type = type
+    init(type: SPSystemIcon) {
+        self.icon = type
         super.init(frame: CGRect.zero)
         self.commonInit()
     }
@@ -57,7 +57,7 @@ class SPSystemIconView: UIView {
     
     override func draw(_ rect: CGRect) {
         super.draw(rect)
-        switch type {
+        switch icon {
         case .share:
             SPCodeDraw.SystemIconPack.drawShare(frame: rect, resizing: .aspectFit, color: self.color)
             break

Example/stork-controller/Frameworks/SparrowKit/UI/Collections/Cells/SPCollectionViewCell.swift

@@ -21,22 +21,24 @@
 
 import UIKit
 
-class SPImageCollectionViewCell: SPCollectionContainerCell<SPDownloadingImageView> {
+class SPCollectionViewCell: UICollectionViewCell {
+    
+    var currentIndexPath: IndexPath?
     
     override init(frame: CGRect) {
         super.init(frame: frame)
-        self.view.layer.cornerRadius = 10
-        self.view.contentMode = .scaleAspectFill
-        self.view.setNativeStyle()
+        self.commonInit()
     }
     
-    required public init?(coder aDecoder: NSCoder) {
-        fatalError("init(coder:) has not been implemented")
+    required init?(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+        self.commonInit()
     }
     
+    internal func commonInit() {}
+    
     override func prepareForReuse() {
         super.prepareForReuse()
-        self.view.contentMode = .scaleAspectFill
-        self.view.setLoadingMode()
+        self.currentIndexPath = nil
     }
 }

Example/stork-controller/Frameworks/SparrowKit/UI/Collections/Cells/SPImageCollectionViewCell.swift

@@ -0,0 +1,53 @@
+// The MIT License (MIT)
+// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import UIKit
+
+class SPImageCollectionViewCell: SPCollectionViewCell {
+    
+    let imageView = SPDownloadingImageView()
+    
+    override func commonInit() {
+        super.commonInit()
+        
+        self.addSubview(self.imageView)
+        SPConstraints.setEqualSizeSuperview(for: self.imageView)
+        
+        self.configure()
+    }
+    
+    private func configure() {
+        self.currentIndexPath = nil
+        self.imageView.removeImage()
+        self.imageView.contentMode = .scaleAspectFill
+        self.imageView.layer.masksToBounds = true
+    }
+    
+    override func prepareForReuse() {
+        super.prepareForReuse()
+        self.configure()
+    }
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        self.imageView.layer.cornerRadius = 12
+    }
+}

Example/stork-controller/Frameworks/SparrowKit/UI/Collections/Cells/SPMengTransformCollectionViewCell.swift

@@ -44,18 +44,7 @@ class SPMengTransformCollectionViewCell: SPCollectionViewCell {
         }
     }
     
-    override init(frame: CGRect) {
-        super.init(frame: frame)
-        self.commonInit()
-    }
-    
-    required init?(coder aDecoder: NSCoder) {
-        super.init(coder: aDecoder)
-        self.commonInit()
-    }
-    
-    private func commonInit() {
-        
+    override func commonInit() {
         shadowContainerView.backgroundColor = UIColor.white
         shadowContainerView.translatesAutoresizingMaskIntoConstraints = false
         self.addSubview(shadowContainerView)
@@ -97,8 +86,8 @@ class SPMengTransformCollectionViewCell: SPCollectionViewCell {
         self.backgroundImageView.bottomAnchor.constraint(equalTo:
             contentView.bottomAnchor, constant: 0).isActive = true
         
-        self.gradientView.setStartColorPosition(SPGradientView.Position.TopLeft)
-        self.gradientView.setEndColorPosition(.BottomRight)
+        self.gradientView.startColorPosition = .topLeft
+        self.gradientView.endColorPosition = .bottomRight
         self.gradientView.isHidden = true
         self.gradientView.translatesAutoresizingMaskIntoConstraints = false
         self.gradientView.layer.masksToBounds = false
@@ -136,7 +125,7 @@ class SPMengTransformCollectionViewCell: SPCollectionViewCell {
         self.titleLabel.text = ""
         self.titleLabel.setDeepShadowForLetters()
         self.titleLabel.translatesAutoresizingMaskIntoConstraints = false
-        self.titleLabel.font = UIFont.system(type: .DemiBold, size: 32)
+        self.titleLabel.font = UIFont.system(weight: .demiBold, size: 32)
         self.titleLabel.textColor = UIColor.white
         self.titleLabel.numberOfLines = 0
         contentView.addSubview(self.titleLabel)
@@ -151,7 +140,7 @@ class SPMengTransformCollectionViewCell: SPCollectionViewCell {
         self.subtitleLabel.text = ""
         self.subtitleLabel.setDeepShadowForLetters()
         self.subtitleLabel.translatesAutoresizingMaskIntoConstraints = false
-        self.subtitleLabel.font = UIFont.system(type: .Regular, size: 17)
+        self.subtitleLabel.font = UIFont.system(weight: .regular, size: 17)
         self.subtitleLabel.textColor = UIColor.white
         self.subtitleLabel.numberOfLines = 0
         contentView.addSubview(self.subtitleLabel)

Example/stork-controller/Frameworks/SparrowKit/UI/Collections/Layouts/SPCollectionViewLayout.swift

@@ -21,7 +21,7 @@
 
 import UIKit
 
-public class SPCollectionViewLayout: UICollectionViewFlowLayout {
+class SPCollectionViewLayout: UICollectionViewFlowLayout {
     
     var itemSpacingFactor: CGFloat = 0.11
     var minItemSpace: CGFloat = 0
@@ -54,7 +54,7 @@ public class SPCollectionViewLayout: UICollectionViewFlowLayout {
         }
     }
     
-    required public init?(coder aDecoder: NSCoder) {
+    required init?(coder aDecoder: NSCoder) {
         super.init(coder: aDecoder)
     }
     
@@ -65,7 +65,7 @@ public class SPCollectionViewLayout: UICollectionViewFlowLayout {
         self.minimumLineSpacing = 0
     }
     
-    public override func targetContentOffset(forProposedContentOffset proposedContentOffset: CGPoint, withScrollingVelocity velocity: CGPoint) -> CGPoint {
+    override func targetContentOffset(forProposedContentOffset proposedContentOffset: CGPoint, withScrollingVelocity velocity: CGPoint) -> CGPoint {
         
         if !self.isPaging {
             return super.targetContentOffset(forProposedContentOffset: proposedContentOffset, withScrollingVelocity: velocity)
@@ -86,7 +86,7 @@ public class SPCollectionViewLayout: UICollectionViewFlowLayout {
             } else {
                 proposedContentOffset.x = round(rawPageValue) * self.pageWidth
             }
-            return proposedContentOffset;
+            return proposedContentOffset
         case .vertical:
             let rawPageValue = (self.collectionView!.contentOffset.y) / self.pageHeight
             
@@ -102,11 +102,13 @@ public class SPCollectionViewLayout: UICollectionViewFlowLayout {
             } else {
                 proposedContentOffset.y = round(rawPageValue) * self.pageHeight
             }
-            return proposedContentOffset;
+            return proposedContentOffset
+        default:
+            return super.targetContentOffset(forProposedContentOffset: proposedContentOffset, withScrollingVelocity: velocity)
         }
     }
     
-    override public func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
+    override func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
         guard let collectionView = self.collectionView,
             let superAttributes = super.layoutAttributesForElements(in: rect) else {
                 return super.layoutAttributesForElements(in: rect)
@@ -155,11 +157,13 @@ public class SPCollectionViewLayout: UICollectionViewFlowLayout {
                     owner.alpha = alpha
                 }
             }
+        default:
+            return super.layoutAttributesForElements(in: rect)
         }
         return newAttributesArray
     }
     
-    override public func shouldInvalidateLayout(forBoundsChange newBounds: CGRect) -> Bool {
+    override func shouldInvalidateLayout(forBoundsChange newBounds: CGRect) -> Bool {
         return true
     }
     
@@ -167,7 +171,7 @@ public class SPCollectionViewLayout: UICollectionViewFlowLayout {
     var deleteIndexPaths: [IndexPath] = []
     var insertIndexPaths: [IndexPath] = []
     
-    public override func prepare(forCollectionViewUpdates updateItems: [UICollectionViewUpdateItem]) {
+    override func prepare(forCollectionViewUpdates updateItems: [UICollectionViewUpdateItem]) {
         super.prepare(forCollectionViewUpdates: updateItems)
         for item in updateItems {
             if item.updateAction == .delete {
@@ -184,19 +188,18 @@ public class SPCollectionViewLayout: UICollectionViewFlowLayout {
         }
     }
     
-    public override func finalizeCollectionViewUpdates() {
+    override func finalizeCollectionViewUpdates() {
         super.finalizeCollectionViewUpdates()
         self.insertIndexPaths.removeAll()
         self.deleteIndexPaths.removeAll()
     }
     
-    override public func initialLayoutAttributesForAppearingItem(at itemIndexPath: IndexPath) -> UICollectionViewLayoutAttributes? {
+    override func initialLayoutAttributesForAppearingItem(at itemIndexPath: IndexPath) -> UICollectionViewLayoutAttributes? {
         
         let attributes: UICollectionViewLayoutAttributes? = super.initialLayoutAttributesForAppearingItem(at: itemIndexPath)
         
         if isAllowInsertAnimation {
             if self.insertIndexPaths.contains(itemIndexPath) {
-                //attributes?.center = CGPoint.init(x: attributes?.center.x ?? 0, y: 40)
                 attributes?.alpha = 0
                 attributes?.zIndex = 0
                 attributes?.transform = CGAffineTransform.init(scaleX: self.minimumScaleFactor, y: self.minimumScaleFactor)
@@ -206,12 +209,11 @@ public class SPCollectionViewLayout: UICollectionViewFlowLayout {
         return attributes
     }
     
-    override public func finalLayoutAttributesForDisappearingItem(at itemIndexPath: IndexPath) -> UICollectionViewLayoutAttributes? {
-        var attributes: UICollectionViewLayoutAttributes?
+    override func finalLayoutAttributesForDisappearingItem(at itemIndexPath: IndexPath) -> UICollectionViewLayoutAttributes? {
+
+        let attributes: UICollectionViewLayoutAttributes? = super.finalLayoutAttributesForDisappearingItem(at: itemIndexPath)
         
         if self.deleteIndexPaths.contains(itemIndexPath) {
-            
-            attributes = self.layoutAttributesForItem(at: itemIndexPath)
             attributes?.alpha = 0
             attributes?.zIndex = 0
             attributes?.transform3D = CATransform3DScale(CATransform3DIdentity, self.minimumScaleFactor, self.minimumScaleFactor, 1)
@@ -220,7 +222,7 @@ public class SPCollectionViewLayout: UICollectionViewFlowLayout {
         return attributes
     }
     
-    override public func prepare() {
+    override func prepare() {
         super.prepare()
         guard let collectionView = self.collectionView else {
             return
@@ -229,9 +231,19 @@ public class SPCollectionViewLayout: UICollectionViewFlowLayout {
         collectionView.decelerationRate = UIScrollView.DecelerationRate.fast
         
         if cellSideRatio == nil {
+            var height = collectionView.bounds.size.height * self.heightFactor
+            if height > self.maxHeight {
+                height = self.maxHeight
+            }
+            
+            var width = collectionView.bounds.size.width * self.widthFactor
+            if width > self.maxWidth {
+                width = self.maxWidth
+            }
+            
             self.itemSize = CGSize.init(
-                width: collectionView.bounds.size.width * self.widthFactor,
-                height: collectionView.bounds.size.height * self.heightFactor
+                width: width,
+                height: height
             )
         } else {
             self.itemSize = SPLayout.sizeWith(
@@ -253,6 +265,8 @@ public class SPCollectionViewLayout: UICollectionViewFlowLayout {
             self.minimumLineSpacing = collectionView.frame.width * itemSpacingFactor
         case .vertical:
             self.minimumLineSpacing = collectionView.frame.height * itemSpacingFactor
+        default:
+            break
         }
         self.minimumLineSpacing.setIfMore(when: self.maxItemSpace)
         self.minimumLineSpacing.setIfFewer(when: self.minItemSpace)