From ca7d2edceee613e47b7857029fc82de633460e6f Mon Sep 17 00:00:00 2001
From: Alexander <dolphin54rus@gmail.com>
Date: Mon, 5 Sep 2022 14:26:20 +0700
Subject: [PATCH] Fix "complementaryColor" color isn't changed after updating
 the application theme (#496)

---
 .../Internal/Models/SkeletonLayer.swift       |  4 ++--
 .../UIKitExtensions/CALayer+Extensions.swift  | 20 +++++++++++++------
 .../UIKitExtensions/UIColor+Skeleton.swift    |  8 +++++++-
 3 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/SkeletonViewCore/Sources/Internal/Models/SkeletonLayer.swift b/SkeletonViewCore/Sources/Internal/Models/SkeletonLayer.swift
index f45ad763..e5c5b146 100755
--- a/SkeletonViewCore/Sources/Internal/Models/SkeletonLayer.swift
+++ b/SkeletonViewCore/Sources/Internal/Models/SkeletonLayer.swift
@@ -28,12 +28,12 @@ struct SkeletonLayer {
         self.maskLayer.bounds = holder.definedMaxBounds
         self.maskLayer.cornerRadius = CGFloat(holder.skeletonCornerRadius)
         addTextLinesIfNeeded()
-        self.maskLayer.tint(withColors: colors)
+        self.maskLayer.tint(withColors: colors, traitCollection: holder.traitCollection)
     }
     
     func update(usingColors colors: [UIColor]) {
         layoutIfNeeded()
-        maskLayer.tint(withColors: colors)
+        maskLayer.tint(withColors: colors, traitCollection: holder?.traitCollection)
     }
 
     func layoutIfNeeded() {
diff --git a/SkeletonViewCore/Sources/Internal/UIKitExtensions/CALayer+Extensions.swift b/SkeletonViewCore/Sources/Internal/UIKitExtensions/CALayer+Extensions.swift
index d29bdd26..fc4bc637 100644
--- a/SkeletonViewCore/Sources/Internal/UIKitExtensions/CALayer+Extensions.swift
+++ b/SkeletonViewCore/Sources/Internal/UIKitExtensions/CALayer+Extensions.swift
@@ -15,11 +15,15 @@ import UIKit
 
 extension CAGradientLayer {
     
-    override func tint(withColors colors: [UIColor]) {
+    override func tint(withColors colors: [UIColor], traitCollection: UITraitCollection?) {
         skeletonSublayers.recursiveSearch(leafBlock: {
-            self.colors = colors.map { $0.cgColor }
+            if #available(iOS 13.0, tvOS 13, *), let traitCollection = traitCollection {
+                self.colors = colors.map { $0.resolvedColor(with: traitCollection).cgColor }
+            } else {
+                self.colors = colors.map { $0.cgColor }
+            }
         }) {
-            $0.tint(withColors: colors)
+            $0.tint(withColors: colors, traitCollection: traitCollection)
         }
     }
     
@@ -35,11 +39,15 @@ extension CALayer {
         return sublayers?.filter { $0.name == Constants.skeletonSubLayersName } ?? [CALayer]()
     }
     
-    @objc func tint(withColors colors: [UIColor]) {
+    @objc func tint(withColors colors: [UIColor], traitCollection: UITraitCollection?) {
         skeletonSublayers.recursiveSearch(leafBlock: {
-            backgroundColor = colors.first?.cgColor
+            if #available(iOS 13.0, tvOS 13, *), let traitCollection = traitCollection {
+                backgroundColor = colors.first?.resolvedColor(with: traitCollection).cgColor
+            } else {
+                backgroundColor = colors.first?.cgColor
+            }
         }) {
-            $0.tint(withColors: colors)
+            $0.tint(withColors: colors, traitCollection: traitCollection)
         }
     }
     
diff --git a/SkeletonViewCore/Sources/Internal/UIKitExtensions/UIColor+Skeleton.swift b/SkeletonViewCore/Sources/Internal/UIKitExtensions/UIColor+Skeleton.swift
index a219dc65..a222daca 100644
--- a/SkeletonViewCore/Sources/Internal/UIKitExtensions/UIColor+Skeleton.swift
+++ b/SkeletonViewCore/Sources/Internal/UIKitExtensions/UIColor+Skeleton.swift
@@ -43,7 +43,13 @@ public extension UIColor {
     }
     
     var complementaryColor: UIColor {
-        isLight ? darker : lighter
+        if #available(iOS 13, tvOS 13, *) {
+            return UIColor { _ in
+                self.isLight ? self.darker : self.lighter
+            }
+        } else {
+            return isLight ? darker : lighter
+        }
     }
     
     var lighter: UIColor {