modernize scene

kplayer/detail/DetailViewController.swift

@@ -6,12 +6,6 @@
 //  Copyright (c) 2015 Marco Schmickler. All rights reserved.
 //
 
-import UIKit
-import Alamofire
-import FileBrowser
-import AVFoundation
-import ZIPFoundation
-import SwiftUI
 import UIKit
 import Alamofire
 import FileBrowser
@@ -35,6 +29,7 @@ class DetailViewController: UIViewController, UICollectionViewDelegateFlowLayout
 
     var showFavoritesOnly = false
     var collectionView: UICollectionView!
+    private var lastCollectionViewSize: CGSize = .zero
 
     var currentItem: MediaItem?
 
@@ -73,7 +68,7 @@ class DetailViewController: UIViewController, UICollectionViewDelegateFlowLayout
 
         layout.itemSize = defaultItemSize
         layout.headerReferenceSize = CGSize(width: 50, height: 50)
-        collectionView = UICollectionView(frame: view.frame, collectionViewLayout: layout)
+        collectionView = UICollectionView(frame: .zero, collectionViewLayout: layout)
 
         collectionView.dataSource = self
         collectionView.delegate = self
@@ -84,8 +79,13 @@ class DetailViewController: UIViewController, UICollectionViewDelegateFlowLayout
         collectionView.dragDelegate = self
 
         view.addSubview(collectionView)
-        view.autoresizesSubviews = true
-        collectionView.autoresizingMask = [UIView.AutoresizingMask.flexibleWidth, UIView.AutoresizingMask.flexibleHeight]
+        collectionView.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            collectionView.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor),
+            collectionView.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor),
+            collectionView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
+            collectionView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor)
+        ])
         // Do any additional setup after loading the view, typically from a nib.
 
         collectionView.reloadData()
@@ -112,6 +112,14 @@ class DetailViewController: UIViewController, UICollectionViewDelegateFlowLayout
         }
     }
 
+    override func viewDidLayoutSubviews() {
+        super.viewDidLayoutSubviews()
+
+        guard collectionView.bounds.size != lastCollectionViewSize else { return }
+        lastCollectionViewSize = collectionView.bounds.size
+        collectionView.collectionViewLayout.invalidateLayout()
+    }
+
     @objc func switchMode() {
         mode = !mode
         if let b = modeButton {
@@ -452,4 +460,3 @@ class DetailViewController: UIViewController, UICollectionViewDelegateFlowLayout
         collectionView.reloadData()
     }
 }
-