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square · Mar 4, 2024 · 2e3f97c · 2e3f97c
1 parent 0e03e66
commit 2e3f97c
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Showing 3 changed files with 35 additions and 17 deletions.
diff --git a/ListableUI/Sources/CollectionView/CollectionView.swift b/ListableUI/Sources/CollectionView/CollectionView.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 
-final class LSTCollectionView : UIView {
+final class LSTCollectionView : UIScrollView {
 
     private let queue : ListChangesQueue
 
@@ -32,6 +32,12 @@ final class LSTCollectionView : UIView {
         self.addSubview(self.view)
     }
 
+    // MARK: UIScrollView
+
+    override func setContentOffset(_ contentOffset: CGPoint, animated: Bool) {
+        super.setContentOffset(contentOffset, animated: animated)
+    }
+
     // MARK: UIView
 
     override func layoutSubviews() {

diff --git a/ListableUI/Sources/ListView/ListView+FeatureFlag.swift b/ListableUI/Sources/ListView/ListView+FeatureFlag.swift
diff --git a/ListableUI/Sources/ListView/ListView.swift b/ListableUI/Sources/ListView/ListView.swift
@@ -221,6 +221,34 @@ public final class ListView : UIView
         self.updateCollectionViewWithCurrentLayoutProperties()
     }
 
+    //
+    // MARK: Replace UICollectionView Feature Flag
+    //
+
+    public static var isNewBackingViewEnabled : Bool {
+        get {
+            UserDefaults.standard.bool(forKey: "Listable.isNewBackingViewEnabled")
+        }
+
+        set {
+            UserDefaults.standard.setValue(newValue, forKey: "Listable.isNewBackingViewEnabled")
+        }
+    }
+
+    public let isNewBackingViewEnabled : Bool = ListView.isNewBackingViewEnabled
+
+    public func ifNew<Output>(
+        _ ifNew : () throws -> Output,
+        ifOld : () throws -> Output
+    ) rethrows -> Output {
+
+        if Self.isNewBackingViewEnabled {
+            try ifNew()
+        } else {
+            try ifOld()
+        }
+    }
+
     //
     // MARK: Layout
     //