Operations: simplify AsyncOperation, remove advanced features

1 files changed, 0 insertions, 45 deletions

diff --git a/ios/MullvadVPN/Operations/TransformOperationObserver.swift b/ios/MullvadVPN/Operations/TransformOperationObserver.swift
deleted file mode 100644
index e6ed695e0b..0000000000
--- a/ios/MullvadVPN/Operations/TransformOperationObserver.swift
+++ /dev/null
@@ -1,45 +0,0 @@
-//
-//  TransformOperationObserver.swift
-//  MullvadVPN
-//
-//  Created by pronebird on 06/07/2020.
-//  Copyright © 2020 Mullvad VPN AB. All rights reserved.
-//
-
-import Foundation
-
-/// A private type erasing observer that type casts the input operation type to the expected
-/// operation type before calling the wrapped observer
-class TransformOperationObserver<S: OperationProtocol>: OperationObserver {
-    private let willExecute: (S) -> Void
-    private let willFinish: (S) -> Void
-    private let didFinish: (S) -> Void
-
-    init<T: OperationObserver>(_ observer: T) {
-        willExecute = Self.wrap(observer.operationWillExecute)
-        willFinish = Self.wrap(observer.operationWillFinish)
-        didFinish = Self.wrap(observer.operationDidFinish)
-    }
-
-    func operationWillExecute(_ operation: S) {
-        willExecute(operation)
-    }
-
-    func operationWillFinish(_ operation: S) {
-        willFinish(operation)
-    }
-
-    func operationDidFinish(_ operation: S) {
-        didFinish(operation)
-    }
-
-    private class func wrap<U>(_ body: @escaping (U) -> Void) -> (S) -> Void {
-        return { (operation: S) in
-            if let transformed = operation as? U {
-                body(transformed)
-            } else {
-                fatalError("\(Self.self) failed to cast \(S.self) to \(U.self)")
-            }
-        }
-    }
-}