Revert "Add Accessibility Selected for iOS CollectionView (#29014)" (#29827)

This reverts commit 8a8cef3.

Author: PureWeen

src/Controls/src/Core/Handlers/Items/iOS/SelectableItemsViewController.cs

@@ -45,7 +45,6 @@ internal void SelectItem(object selectedItem)
 				CollectionView.PerformBatchUpdates(null, _ =>
 				{
 					CollectionView.SelectItem(index, true, UICollectionViewScrollPosition.None);
-					CollectionView.CellForItem(index)?.UpdateSelectedAccessibility(true);
 				});
 			}
 		}
@@ -76,8 +75,6 @@ void FormsSelectItem(NSIndexPath indexPath)
 					ItemsView.SelectedItems.Add(GetItemAtIndex(indexPath));
 					break;
 			}
-
-			CollectionView.CellForItem(indexPath)?.UpdateSelectedAccessibility(true);
 		}
 
 		void FormsDeselectItem(NSIndexPath indexPath)
@@ -94,8 +91,6 @@ void FormsDeselectItem(NSIndexPath indexPath)
 					ItemsView.SelectedItems.Remove(GetItemAtIndex(indexPath));
 					break;
 			}
-
-			CollectionView.CellForItem(indexPath)?.UpdateSelectedAccessibility(false);
 		}
 
 		internal void UpdatePlatformSelection()
@@ -135,10 +130,6 @@ internal void UpdateSelectionMode()
 		{
 			var mode = ItemsView.SelectionMode;
 
-			// We want to make sure we clear the selection trait before we switch modes.
-			// If we do this after we switch modes, cells that are selected may not show up as selected anymore.
-			CollectionView.ClearSelectedAccessibilityTraits(CollectionView.GetIndexPathsForSelectedItems());
-
 			switch (mode)
 			{
 				case SelectionMode.None:

src/Controls/src/Core/Handlers/Items2/iOS/SelectableItemsViewController2.cs

@@ -45,7 +45,6 @@ internal void SelectItem(object selectedItem)
 				CollectionView.PerformBatchUpdates(null, _ =>
 				{
 					CollectionView.SelectItem(index, true, UICollectionViewScrollPosition.None);
-					CollectionView.CellForItem(index)?.UpdateSelectedAccessibility(true);
 				});
 			}
 		}
@@ -76,8 +75,6 @@ void FormsSelectItem(NSIndexPath indexPath)
 					ItemsView.SelectedItems.Add(GetItemAtIndex(indexPath));
 					break;
 			}
-
-			CollectionView.CellForItem(indexPath)?.UpdateSelectedAccessibility(true);
 		}
 
 		void FormsDeselectItem(NSIndexPath indexPath)
@@ -94,8 +91,6 @@ void FormsDeselectItem(NSIndexPath indexPath)
 					ItemsView.SelectedItems.Remove(GetItemAtIndex(indexPath));
 					break;
 			}
-
-			CollectionView.CellForItem(indexPath)?.UpdateSelectedAccessibility(false);
 		}
 
 		internal void UpdatePlatformSelection()
@@ -135,10 +130,6 @@ internal void UpdateSelectionMode()
 		{
 			var mode = ItemsView.SelectionMode;
 
-			// We want to make sure we clear the selection trait before we switch modes.
-			// If we do this after we switch modes, cells that are selected may not show up as selected anymore.
-			CollectionView.ClearSelectedAccessibilityTraits(CollectionView.GetIndexPathsForSelectedItems());
-
 			switch (mode)
 			{
 				case SelectionMode.None:

src/Controls/src/Core/Platform/iOS/Extensions/AcessibilityExtensions.cs

@@ -2,48 +2,8 @@
 
 namespace Microsoft.Maui.Controls.Platform;
 
-internal static class AccessibilityExtensions
+internal static class AcessibilityExtensions
 {
-	internal static void UpdateSelectedAccessibility(this UICollectionViewCell cell, bool selected)
-	{
-		// Catalyst and iOS Simulators applies/removes the 'Selected' trait to the cell automatically.
-		// iOS Devices do not apply the 'Selected' trait automatically to the cell unless VoiceOver is on.
-		// On iOS, the 'Selected' trait needs to be applied to the first child of the cell for VoiceOver to announce it.
-#if IOS
-		if (cell.ContentView is not null && cell.ContentView.Subviews.Length > 0)
-		{
-			var firstChild = cell.ContentView.Subviews[0];
-
-			if (selected)
-			{
-				firstChild.AccessibilityTraits |= UIAccessibilityTrait.Selected;
-			}
-			else
-			{
-				firstChild.AccessibilityTraits &= ~UIAccessibilityTrait.Selected;
-			}
-		}
-#endif
-	}
-
-	internal static void ClearSelectedAccessibilityTraits(this UICollectionView collectionView, Foundation.NSIndexPath[] indices)
-	{
-		// Catalyst and iOS Simulators applies/removes the 'Selected' trait to the cell automatically.
-		// iOS Devices do not apply the 'Selected' trait automatically to the cell unless VoiceOver is on.
-		// On iOS, the 'Selected' trait needs to be applied to the first child of the cell for VoiceOver to announce it.
-#if IOS
-		foreach (var index in indices)
-		{
-			var cell = collectionView.CellForItem(index);
-			if (cell?.ContentView is not null && cell.ContentView.Subviews.Length > 0)
-			{
-				var firstChild = cell.ContentView.Subviews[0];
-				firstChild.AccessibilityTraits &= ~UIAccessibilityTrait.Selected;
-			}
-		}
-#endif
-	}
-
 	internal static void UpdateAccessibilityTraits(this UICollectionView collectionView, SelectableItemsView itemsView)
 	{
 		foreach (var subview in collectionView.Subviews)