Merge branch 'swift-4.2'

# Conflicts:
#	ImageSlideshow.podspec

Author: zvonicek

.swift-version

@@ -1 +1 @@
-4.0
+4.2

Example/ImageSlideshow.xcodeproj/project.pbxproj

@@ -27,6 +27,7 @@
 		D0E8A9F51D97EB94007EC517 /* UIImage+AspectFit.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0E8A9EE1D97EB94007EC517 /* UIImage+AspectFit.swift */; };
 		D0E8A9F61D97EB94007EC517 /* UIImageView+Tools.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0E8A9EF1D97EB94007EC517 /* UIImageView+Tools.swift */; };
 		D0E8A9F71D97EB94007EC517 /* ZoomAnimatedTransitioning.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0E8A9F01D97EB94007EC517 /* ZoomAnimatedTransitioning.swift */; };
+		F539204C210F03610057EFB3 /* SwiftSupport.swift in Sources */ = {isa = PBXBuildFile; fileRef = F539204B210F03600057EFB3 /* SwiftSupport.swift */; };
 		F802998F20CE9EA7009D64DD /* PageIndicatorPosition.swift in Sources */ = {isa = PBXBuildFile; fileRef = F802998E20CE9EA7009D64DD /* PageIndicatorPosition.swift */; };
 		F802999020CE9EA7009D64DD /* PageIndicatorPosition.swift in Sources */ = {isa = PBXBuildFile; fileRef = F802998E20CE9EA7009D64DD /* PageIndicatorPosition.swift */; };
 		F802999120CE9EA7009D64DD /* PageIndicatorPosition.swift in Sources */ = {isa = PBXBuildFile; fileRef = F802998E20CE9EA7009D64DD /* PageIndicatorPosition.swift */; };
@@ -73,6 +74,7 @@
 		D0E8A9EE1D97EB94007EC517 /* UIImage+AspectFit.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = "UIImage+AspectFit.swift"; path = "../../ImageSlideshow/Classes/Core/UIImage+AspectFit.swift"; sourceTree = "<group>"; };
 		D0E8A9EF1D97EB94007EC517 /* UIImageView+Tools.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = "UIImageView+Tools.swift"; path = "../../ImageSlideshow/Classes/Core/UIImageView+Tools.swift"; sourceTree = "<group>"; };
 		D0E8A9F01D97EB94007EC517 /* ZoomAnimatedTransitioning.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = ZoomAnimatedTransitioning.swift; path = ../../ImageSlideshow/Classes/Core/ZoomAnimatedTransitioning.swift; sourceTree = "<group>"; };
+		F539204B210F03600057EFB3 /* SwiftSupport.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = SwiftSupport.swift; path = ../../ImageSlideshow/Classes/Core/SwiftSupport.swift; sourceTree = "<group>"; };
 		F802998E20CE9EA7009D64DD /* PageIndicatorPosition.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = PageIndicatorPosition.swift; path = ../../ImageSlideshow/Classes/Core/PageIndicatorPosition.swift; sourceTree = "<group>"; };
 		FD45C56C18E7B8EC08371B86 /* Pods-ImageSlideshow_Example.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-ImageSlideshow_Example.debug.xcconfig"; path = "Pods/Target Support Files/Pods-ImageSlideshow_Example/Pods-ImageSlideshow_Example.debug.xcconfig"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -205,6 +207,7 @@
 		D0E8A9E31D97EB6D007EC517 /* ImageSlideshow_framework */ = {
 			isa = PBXGroup;
 			children = (
+				F539204B210F03600057EFB3 /* SwiftSupport.swift */,
 				D0E8A9EA1D97EB94007EC517 /* FullScreenSlideshowViewController.swift */,
 				D0B974AF202738F6006217CF /* PageIndicator.swift */,
 				F802998E20CE9EA7009D64DD /* PageIndicatorPosition.swift */,
@@ -450,6 +453,7 @@
 				F802999120CE9EA7009D64DD /* PageIndicatorPosition.swift in Sources */,
 				D0E8A9F51D97EB94007EC517 /* UIImage+AspectFit.swift in Sources */,
 				D0E8A9F11D97EB94007EC517 /* FullScreenSlideshowViewController.swift in Sources */,
+				F539204C210F03610057EFB3 /* SwiftSupport.swift in Sources */,
 				D0B974B0202738F6006217CF /* PageIndicator.swift in Sources */,
 				D0E8A9F31D97EB94007EC517 /* ImageSlideshowItem.swift in Sources */,
 			);
@@ -537,7 +541,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -585,7 +589,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -602,7 +606,6 @@
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -618,7 +621,6 @@
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
@@ -678,7 +680,6 @@
 				SKIP_INSTALL = YES;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -706,7 +707,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "io.zvo.ImageSlideshow-framework";
 				PRODUCT_NAME = ImageSlideshow;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";

Example/ImageSlideshow/ViewController.swift

@@ -28,7 +28,7 @@ class ViewController: UIViewController {
 
         slideshow.slideshowInterval = 5.0
         slideshow.pageIndicatorPosition = .init(horizontal: .center, vertical: .under)
-        slideshow.contentScaleMode = UIViewContentMode.scaleAspectFill
+        slideshow.contentScaleMode = UIView.ContentMode.scaleAspectFill
 
         let pageControl = UIPageControl()
         pageControl.currentPageIndicatorTintColor = UIColor.lightGray

Example/Podfile.lock

@@ -1,41 +1,41 @@
 PODS:
-  - AFNetworking (3.1.0):
-    - AFNetworking/NSURLSession (= 3.1.0)
-    - AFNetworking/Reachability (= 3.1.0)
-    - AFNetworking/Security (= 3.1.0)
-    - AFNetworking/Serialization (= 3.1.0)
-    - AFNetworking/UIKit (= 3.1.0)
-  - AFNetworking/NSURLSession (3.1.0):
+  - AFNetworking (3.2.1):
+    - AFNetworking/NSURLSession (= 3.2.1)
+    - AFNetworking/Reachability (= 3.2.1)
+    - AFNetworking/Security (= 3.2.1)
+    - AFNetworking/Serialization (= 3.2.1)
+    - AFNetworking/UIKit (= 3.2.1)
+  - AFNetworking/NSURLSession (3.2.1):
     - AFNetworking/Reachability
     - AFNetworking/Security
     - AFNetworking/Serialization
-  - AFNetworking/Reachability (3.1.0)
-  - AFNetworking/Security (3.1.0)
-  - AFNetworking/Serialization (3.1.0)
-  - AFNetworking/UIKit (3.1.0):
+  - AFNetworking/Reachability (3.2.1)
+  - AFNetworking/Security (3.2.1)
+  - AFNetworking/Serialization (3.2.1)
+  - AFNetworking/UIKit (3.2.1):
     - AFNetworking/NSURLSession
-  - Alamofire (4.5.1)
-  - AlamofireImage (3.3.0):
-    - Alamofire (~> 4.5)
-  - ImageSlideshow (1.6):
-    - ImageSlideshow/Core (= 1.6)
-  - ImageSlideshow/AFURL (1.6):
+  - Alamofire (4.7.3)
+  - AlamofireImage (3.4.1):
+    - Alamofire (~> 4.7)
+  - ImageSlideshow (1.6.0):
+    - ImageSlideshow/Core (= 1.6.0)
+  - ImageSlideshow/AFURL (1.6.0):
     - AFNetworking (~> 3.0)
     - ImageSlideshow/Core
-  - ImageSlideshow/Alamofire (1.6):
+  - ImageSlideshow/Alamofire (1.6.0):
     - AlamofireImage (~> 3.0)
     - ImageSlideshow/Core
-  - ImageSlideshow/Core (1.6)
-  - ImageSlideshow/Kingfisher (1.6):
+  - ImageSlideshow/Core (1.6.0)
+  - ImageSlideshow/Kingfisher (1.6.0):
     - ImageSlideshow/Core
     - Kingfisher (> 3.0)
-  - ImageSlideshow/SDWebImage (1.6):
+  - ImageSlideshow/SDWebImage (1.6.0):
     - ImageSlideshow/Core
     - SDWebImage (< 5.0, >= 3.7)
-  - Kingfisher (4.0.1)
-  - SDWebImage (3.8.2):
-    - SDWebImage/Core (= 3.8.2)
-  - SDWebImage/Core (3.8.2)
+  - Kingfisher (4.10.0)
+  - SDWebImage (4.4.2):
+    - SDWebImage/Core (= 4.4.2)
+  - SDWebImage/Core (4.4.2)
 
 DEPENDENCIES:
   - ImageSlideshow (from `../`)
@@ -57,12 +57,12 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  AFNetworking: 5e0e199f73d8626b11e79750991f5d173d1f8b67
-  Alamofire: 2d95912bf4c34f164fdfc335872e8c312acaea4a
-  AlamofireImage: 2e784dc5d00f04903a52c1d169181469c805c3df
-  ImageSlideshow: f06168438862e8b2c901b2066f3abb5d20f7dd50
-  Kingfisher: b771785e9461ed4b8686d40e7145f9e58100cb24
-  SDWebImage: 098e97e6176540799c27e804c96653ee0833d13c
+  AFNetworking: b6f891fdfaed196b46c7a83cf209e09697b94057
+  Alamofire: c7287b6e5d7da964a70935e5db17046b7fde6568
+  AlamofireImage: 78d67ccbb763d87ba44b21583d2153500a195630
+  ImageSlideshow: 17a44fe50c43779149f83c3e369a3d9701f06d65
+  Kingfisher: 43c4b802d8b5256cf1f4379e9cd10b329be6d3e2
+  SDWebImage: 624d6e296c69b244bcede364c72ae0430ac14681
 
 PODFILE CHECKSUM: 9f5f0235fb1728554054ee3ff7128ff5d4729418
 

ImageSlideshow.podspec

@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = "ImageSlideshow"
-  s.version          = "1.6.1"
+  s.version          = "1.7.0"
   s.summary          = "Image slideshow written in Swift with circular scrolling, timer and full screen viewer"
 
 # This description is used to generate tags and improve search results.
@@ -27,7 +27,7 @@ Image slideshow is a Swift library providing customizable image slideshow with c
   s.source           = { :git => "https://github.com/zvonicek/ImageSlideshow.git", :tag => s.version.to_s }
   s.social_media_url = 'https://twitter.com/zvonicek'
 
-  s.swift_version = '4.0'
+  s.swift_version = '4.2'
   s.platform     = :ios, '8.0'
   s.requires_arc = true
 

ImageSlideshow/Classes/Core/ActivityIndicator.swift

@@ -43,22 +43,27 @@ extension UIActivityIndicatorView: ActivityIndicatorView {
 @objcMembers
 open class DefaultActivityIndicator: ActivityIndicatorFactory {
     /// activity indicator style
-    open var style: UIActivityIndicatorViewStyle
+    open var style: UIActivityIndicatorView.Style
+    
     /// activity indicator color
     open var color: UIColor?
 
     /// Create a new ActivityIndicator for UIActivityIndicatorView
     ///
     /// - style: activity indicator style
     /// - color: activity indicator color
-    public init(style: UIActivityIndicatorViewStyle = .gray, color: UIColor? = nil) {
+    public init(style: UIActivityIndicatorView.Style = .gray, color: UIColor? = nil) {
         self.style = style
         self.color = color
     }
 
     /// create ActivityIndicatorView instance
     open func create() -> ActivityIndicatorView {
+        #if swift(>=4.2)
+        let activityIndicator = UIActivityIndicatorView(style: style)
+        #else
         let activityIndicator = UIActivityIndicatorView(activityIndicatorStyle: style)
+        #endif
         activityIndicator.color = color
         activityIndicator.hidesWhenStopped = true
 

ImageSlideshow/Classes/Core/ImageSlideshow.swift

@@ -35,7 +35,7 @@ public enum ImagePreload {
 open class ImageSlideshow: UIView {
 
     /// Scroll View to wrap the slideshow
-    open let scrollView = UIScrollView()
+    public let scrollView = UIScrollView()
 
     /// Page Control shown in the slideshow
     @available(*, deprecated, message: "Use pageIndicator.view instead")
@@ -170,7 +170,7 @@ open class ImageSlideshow: UIView {
     open var preload = ImagePreload.all
 
     /// Content mode of each image in the slideshow
-    open var contentScaleMode: UIViewContentMode = UIViewContentMode.scaleAspectFit {
+    open var contentScaleMode: UIView.ContentMode = UIView.ContentMode.scaleAspectFit {
         didSet {
             for view in slideshowItems {
                 view.imageView.contentMode = contentScaleMode

ImageSlideshow/Classes/Core/ImageSlideshowItem.swift

@@ -12,19 +12,19 @@ import UIKit
 open class ImageSlideshowItem: UIScrollView, UIScrollViewDelegate {
 
     /// Image view to hold the image
-    open let imageView = UIImageView()
+    public let imageView = UIImageView()
 
     /// Activity indicator shown during image loading, when nil there won't be shown any
-    open let activityIndicator: ActivityIndicatorView?
+    public let activityIndicator: ActivityIndicatorView?
 
     /// Input Source for the item
-    open let image: InputSource
+    public let image: InputSource
 
     /// Guesture recognizer to detect double tap to zoom
     open var gestureRecognizer: UITapGestureRecognizer?
 
     /// Holds if the zoom feature is enabled
-    open let zoomEnabled: Bool
+    public let zoomEnabled: Bool
 
     /// If set to true image is initially zoomed in
     open var zoomInInitially = false

ImageSlideshow/Classes/Core/SwiftSupport.swift

@@ -0,0 +1,18 @@
+//
+//  SwiftSupport.swift
+//  ImageSlideshow
+//
+//  Created by Pierluigi Cifani on 30/07/2018.
+//
+
+import UIKit
+
+#if swift(>=4.2)
+typealias UIViewContentMode = UIView.ContentMode
+typealias UIActivityIndicatorViewStyle = UIActivityIndicatorView.Style
+typealias UIControlState = UIControl.State
+typealias UIViewAnimationOptions = UIView.AnimationOptions
+typealias UIControlEvents = UIControl.Event
+typealias UIViewAutoresizing = UIView.AutoresizingMask
+#else
+#endif

ImageSlideshow/Classes/Core/ZoomAnimatedTransitioning.swift

@@ -66,7 +66,7 @@ open class ZoomAnimatedTransitioningDelegate: NSObject, UIViewControllerTransiti
             return
         }
 
-        let percent = min(max(fabs(gesture.translation(in: gesture.view!).y) / 200.0, 0.0), 1.0)
+        let percent = min(max(abs(gesture.translation(in: gesture.view!).y) / 200.0, 0.0), 1.0)
 
         if gesture.state == .began {
             interactionController = UIPercentDrivenInteractiveTransition()
@@ -76,7 +76,7 @@ open class ZoomAnimatedTransitioningDelegate: NSObject, UIViewControllerTransiti
         } else if gesture.state == .ended || gesture.state == .cancelled || gesture.state == .failed {
             let velocity = gesture.velocity(in: referenceSlideshowView)
 
-            if fabs(velocity.y) > 500 {
+            if abs(velocity.y) > 500 {
                 if let pageSelected = referenceSlideshowController.pageSelected {
                     pageSelected(referenceSlideshowController.slideshow.currentPage)
                 }
@@ -141,7 +141,7 @@ extension ZoomAnimatedTransitioningDelegate: UIGestureRecognizerDelegate {
 
         if let view = gestureRecognizer.view {
             let velocity = gestureRecognizer.velocity(in: view)
-            return fabs(velocity.x) < fabs(velocity.y)
+            return abs(velocity.x) < abs(velocity.y)
         }
 
         return true
@@ -192,8 +192,14 @@ class ZoomInAnimator: ZoomAnimator, UIViewControllerAnimatedTransitioning {
         let transitionBackgroundView = UIView(frame: containerView.frame)
         transitionBackgroundView.backgroundColor = toViewController.backgroundColor
         containerView.addSubview(transitionBackgroundView)
+
+        #if swift(>=4.2)
+        containerView.sendSubviewToBack(transitionBackgroundView)
+        #else
         containerView.sendSubview(toBack: transitionBackgroundView)
+        #endif
 
+        
         let finalFrame = toViewController.view.frame
 
         var transitionView: UIImageView?
@@ -270,8 +276,11 @@ class ZoomOutAnimator: ZoomAnimator, UIViewControllerAnimatedTransitioning {
         toViewController.view.frame = transitionContext.finalFrame(for: toViewController)
         toViewController.view.alpha = 0
         containerView.addSubview(toViewController.view)
+        #if swift(>=4.2)
+        containerView.sendSubviewToBack(toViewController.view)
+        #else
         containerView.sendSubview(toBack: toViewController.view)
-
+        #endif
         var transitionViewInitialFrame: CGRect
         if let currentSlideshowItem = fromViewController.slideshow.currentSlideshowItem {
             if let image = currentSlideshowItem.imageView.image {
@@ -307,7 +316,11 @@ class ZoomOutAnimator: ZoomAnimator, UIViewControllerAnimatedTransitioning {
         let transitionBackgroundView = UIView(frame: containerView.frame)
         transitionBackgroundView.backgroundColor = fromViewController.backgroundColor
         containerView.addSubview(transitionBackgroundView)
+        #if swift(>=4.2)
+        containerView.sendSubviewToBack(transitionBackgroundView)
+        #else
         containerView.sendSubview(toBack: transitionBackgroundView)
+        #endif
 
         let transitionView: UIImageView = UIImageView(image: fromViewController.slideshow.currentSlideshowItem?.imageView.image)
         transitionView.contentMode = UIViewContentMode.scaleAspectFill