Add prepareViewForSkeleton to SkeletonCollectionViewDataSource (#505)

Bumps [tzinfo](https://github.com/tzinfo/tzinfo) from 1.2.5 to 1.2.10.
- [Release notes](https://github.com/tzinfo/tzinfo/releases)
- [Changelog](https://github.com/tzinfo/tzinfo/blob/master/CHANGES.md)
- [Commits](https://github.com/tzinfo/tzinfo/compare/v1.2.5...v1.2.10)

---
updated-dependencies:
- dependency-name: tzinfo
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -36,7 +36,7 @@ GEM
       fuzzy_match (~> 2.0.4)
       nap (~> 1.0)
     cocoapods-deintegrate (1.0.4)
-    cocoapods-downloader (1.2.2)
+    cocoapods-downloader (1.6.3)
     cocoapods-plugins (1.0.0)
       nap
     cocoapods-search (1.0.0)
@@ -182,7 +182,7 @@ GEM
     tty-screen (0.7.0)
     tty-spinner (0.9.1)
       tty-cursor (~> 0.7)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uber (0.1.0)
     unf (0.1.4)

README.md

@@ -8,7 +8,7 @@
     <a href="https://cocoapods.org/pods/SkeletonView"><img src="https://img.shields.io/cocoapods/v/SkeletonView.svg?style=flat"></a>
     <a href="https://github.com/Carthage/Carthage/"><img src="https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat"></a>
     <a href="https://swift.org/package-manager/"><img src="https://img.shields.io/badge/SPM-supported-Green.svg?style=flat"></a>
-    <img src="https://img.shields.io/badge/platforms-iOS_tvOS-green" />
+    <img src="https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2FJuanpe%2FSkeletonView%2Fbadge%3Ftype%3Dplatforms"/>
     <a href="https://badge.bow-swift.io/recipe?name=SkeletonView&description=An%20elegant%20way%20to%20show%20users%20that%20something%20is%20happening%20and%20also%20prepare%20them%20to%20which%20contents%20he%20is%20waiting&url=https://github.com/juanpe/skeletonview&owner=Juanpe&avatar=https://avatars0.githubusercontent.com/u/1409041?v=4&tag=1.20.0"><img src="https://raw.githubusercontent.com/bow-swift/bow-art/master/badges/nef-playgrounds-badge.svg" alt="SkeletonView Playground" style="height:20px"></a>   
 </p>
 
@@ -250,6 +250,7 @@ public protocol SkeletonCollectionViewDataSource: UICollectionViewDataSource {
     func collectionSkeletonView(_ skeletonView: UICollectionView, supplementaryViewIdentifierOfKind: String, at indexPath: IndexPath) -> ReusableCellIdentifier? // default: nil
     func collectionSkeletonView(_ skeletonView: UICollectionView, skeletonCellForItemAt indexPath: IndexPath) -> UICollectionViewCell?  // default: nil
     func collectionSkeletonView(_ skeletonView: UICollectionView, prepareCellForSkeleton cell: UICollectionViewCell, at indexPath: IndexPath)
+    func collectionSkeletonView(_ skeletonView: UICollectionView, prepareViewForSkeleton view: UICollectionReusableView, at indexPath: IndexPath)
 }
 ```
 

SkeletonView.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "SkeletonView"
-  s.version      = "1.29.1"
+  s.version      = "1.29.4"
   s.summary      = "An elegant way to show users that something is happening and also prepare them to which contents he is waiting"
   s.description  = <<-DESC
   Today almost all apps have async processes, as API requests, long runing processes, etc. And while the processes are working, usually developers place a loading view to show users that something is going on.

SkeletonViewCore/Sources/API/Collections/CollectionViews/SkeletonCollectionViewProtocols.swift

@@ -15,6 +15,7 @@ public protocol SkeletonCollectionViewDataSource: UICollectionViewDataSource {
     func collectionSkeletonView(_ skeletonView: UICollectionView, supplementaryViewIdentifierOfKind: String, at indexPath: IndexPath) -> ReusableCellIdentifier?
     func collectionSkeletonView(_ skeletonView: UICollectionView, skeletonCellForItemAt indexPath: IndexPath) -> UICollectionViewCell?
     func collectionSkeletonView(_ skeletonView: UICollectionView, prepareCellForSkeleton cell: UICollectionViewCell, at indexPath: IndexPath)
+    func collectionSkeletonView(_ skeletonView: UICollectionView, prepareViewForSkeleton view: UICollectionReusableView, at indexPath: IndexPath)
 }
 
 public extension SkeletonCollectionViewDataSource {
@@ -35,6 +36,8 @@ public extension SkeletonCollectionViewDataSource {
     }
 
     func collectionSkeletonView(_ skeletonView: UICollectionView, prepareCellForSkeleton cell: UICollectionViewCell, at indexPath: IndexPath) { }
+
+    func collectionSkeletonView(_ skeletonView: UICollectionView, prepareViewForSkeleton view: UICollectionReusableView, at indexPath: IndexPath) { }
 }
 
 public protocol SkeletonCollectionViewDelegate: UICollectionViewDelegate { }

SkeletonViewCore/Sources/Internal/Collections/SkeletonCollectionDataSource.swift

@@ -103,6 +103,8 @@ extension SkeletonCollectionDataSource: UICollectionViewDataSource {
                         at indexPath: IndexPath) -> UICollectionReusableView {
         if let viewIdentifier = originalCollectionViewDataSource?.collectionSkeletonView(collectionView, supplementaryViewIdentifierOfKind: kind, at: indexPath) {
             let view = collectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: viewIdentifier, for: indexPath)
+
+            originalCollectionViewDataSource?.collectionSkeletonView(collectionView, prepareViewForSkeleton: view, at: indexPath)
             skeletonizeViewIfContainerSkeletonIsActive(container: collectionView, view: view)
             return view
         }