Add zoom transitions

podcasts/Main/MainTabBarController.swift

@@ -320,14 +320,15 @@ class MainTabBarController: UITabBarController, NavigationProtocol {
         }
     }
 
-    func navigateToFolder(_ folder: Folder, popToRootViewController: Bool = true) {
+    func navigateToFolder(_ folder: Folder, popToRootViewController: Bool = true, fromSourceView sourceView: UIView? = nil) {
         guard let navController = selectedViewController as? UINavigationController else { return }
 
         if popToRootViewController {
             navController.popToRootViewController(animated: false)
         }
 
         let folderController = FolderViewController(folder: folder)
+        applyZoomTransitionIfNeeded(to: folderController, sourceView: sourceView)
         navController.pushViewController(folderController, animated: true)
     }
 
@@ -343,7 +344,7 @@ class MainTabBarController: UITabBarController, NavigationProtocol {
         podcastListController.showSuggestedFolders()
     }
 
-    func navigateToPodcast(_ podcast: Podcast) {
+    func navigateToPodcast(_ podcast: Podcast, fromSourceView sourceView: UIView? = nil) {
         appDelegate()?.miniPlayer()?.closeUpNextAndFullPlayer(completion: { [weak self] in
 
             guard let strongSelf = self else { return }
@@ -358,11 +359,21 @@ class MainTabBarController: UITabBarController, NavigationProtocol {
                 }
 
                 let podcastController = PodcastViewController(podcast: podcast)
+                strongSelf.applyZoomTransitionIfNeeded(to: podcastController, sourceView: sourceView)
                 navController.pushViewController(podcastController, animated: true)
             }
         })
     }
 
+    private func applyZoomTransitionIfNeeded(to viewController: UIViewController, sourceView: UIView?) {
+        guard let sourceView else { return }
+        if #available(iOS 18.0, *) {
+            viewController.preferredTransition = .zoom { [weak sourceView] _ in
+                sourceView
+            }
+        }
+    }
+
     func navigateToPodcastInfo(_ podcastInfo: PodcastInfo) {
         appDelegate()?.miniPlayer()?.closeUpNextAndFullPlayer(completion: { [weak self] in
             guard let navController = self?.selectedViewController as? UINavigationController else {

podcasts/Main/NavigationManager.swift

@@ -10,6 +10,7 @@ class NavigationManager {
     static let folderPageKey = "folderPage"
     static let folderKey = "folder"
     static let popToRootViewController = "popToRootViewController"
+    static let sourceViewKey = "sourceView"
 
     static let episodePageKey = "episodePage"
     static let episodeUuidKey = "episode"
@@ -122,12 +123,13 @@ class NavigationManager {
         if place == NavigationManager.podcastPageKey {
             guard let data else { return }
 
+            let sourceView = data[NavigationManager.sourceViewKey] as? UIView
             if let podcast = data[NavigationManager.podcastKey] as? Podcast {
-                mainController?.navigateToPodcast(podcast)
+                mainController?.navigateToPodcast(podcast, fromSourceView: sourceView)
             }
             if let podcastUuid = data[NavigationManager.podcastKey] as? String {
                 if let podcast = DataManager.sharedManager.findPodcast(uuid: podcastUuid, includeUnsubscribed: true) {
-                    mainController?.navigateToPodcast(podcast)
+                    mainController?.navigateToPodcast(podcast, fromSourceView: sourceView)
                 }
             } else if let podcastInfo = data[NavigationManager.podcastKey] as? PodcastInfo {
                 mainController?.navigateToPodcastInfo(podcastInfo)
@@ -148,7 +150,8 @@ class NavigationManager {
             guard let data else { return }
 
             if let folder = data[NavigationManager.folderKey] as? Folder {
-                mainController?.navigateToFolder(folder, popToRootViewController: (data[NavigationManager.popToRootViewController] as? Bool) ?? true)
+                let sourceView = data[NavigationManager.sourceViewKey] as? UIView
+                mainController?.navigateToFolder(folder, popToRootViewController: (data[NavigationManager.popToRootViewController] as? Bool) ?? true, fromSourceView: sourceView)
             }
         } else if place == NavigationManager.episodePageKey {
             guard let data, let uuid = data[NavigationManager.episodeUuidKey] as? String else { return }

podcasts/Main/NavigationProtocol.swift

@@ -5,11 +5,11 @@ import UIKit
 
 protocol NavigationProtocol: AnyObject {
     func navigateToPodcastList(_ animated: Bool)
-    func navigateToPodcast(_ podcast: Podcast)
+    func navigateToPodcast(_ podcast: Podcast, fromSourceView sourceView: UIView?)
     func navigateToPodcastInfo(_ podcastInfo: PodcastInfo)
     func navigateTo(podcast searchResult: PodcastFolderSearchResult)
 
-    func navigateToFolder(_ folder: Folder, popToRootViewController: Bool)
+    func navigateToFolder(_ folder: Folder, popToRootViewController: Bool, fromSourceView sourceView: UIView?)
     func navigateToSuggestedFolders()
 
     func navigateToEpisode(_ episodeUuid: String, podcastUuid: String?, timestamp: TimeInterval?)

podcasts/Podcasts/All Podcasts/PodcastListViewController+CollectionView.swift

@@ -108,12 +108,23 @@ extension PodcastListViewController: UICollectionViewDelegate, UICollectionViewD
             return
         }
 
+        let isGridLayout = Settings.libraryType() != .list
+        let sourceCell = isGridLayout ? collectionView.cellForItem(at: indexPath) : nil
+
         if let podcast = selectedItem?.podcast {
             Analytics.track(.podcastsListPodcastTapped)
-            NavigationManager.sharedManager.navigateTo(NavigationManager.podcastPageKey, data: [NavigationManager.podcastKey: podcast])
+            let data: NSMutableDictionary = [NavigationManager.podcastKey: podcast]
+            if let sourceCell {
+                data[NavigationManager.sourceViewKey] = sourceCell
+            }
+            NavigationManager.sharedManager.navigateTo(NavigationManager.podcastPageKey, data: data)
         } else if let folder = selectedItem?.folder {
             Analytics.track(.podcastsListFolderTapped)
-            NavigationManager.sharedManager.navigateTo(NavigationManager.folderPageKey, data: [NavigationManager.folderKey: folder])
+            let data: NSMutableDictionary = [NavigationManager.folderKey: folder]
+            if let sourceCell {
+                data[NavigationManager.sourceViewKey] = sourceCell
+            }
+            NavigationManager.sharedManager.navigateTo(NavigationManager.folderPageKey, data: data)
         }
     }