Update AppDelegate.swift

Dropped application(
        _ application: UIApplication,
        performFetchWithCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult)
            -> Void
    )
In favor of dropping iOS 12.

1 files changed, 0 insertions, 88 deletions

diff --git a/ios/MullvadVPN/AppDelegate.swift b/ios/MullvadVPN/AppDelegate.swift
index b5190b83bb..66a99cc302 100644
--- a/ios/MullvadVPN/AppDelegate.swift
+++ b/ios/MullvadVPN/AppDelegate.swift
@@ -80,94 +80,6 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         }
     }
 
-    func application(
-        _ application: UIApplication,
-        performFetchWithCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult)
-            -> Void
-    ) {
-        logger.debug("Start background refresh.")
-
-        let updateAddressCacheOperation = ResultBlockOperation<Bool, Error> { operation in
-            let handle = AddressCache.Tracker.shared.updateEndpoints { completion in
-                operation.finish(completion: completion)
-            }
-
-            operation.addCancellationBlock {
-                handle.cancel()
-            }
-        }
-
-        let updateRelaysOperation = ResultBlockOperation<RelayCache.FetchResult, Error>
-        { operation in
-            let handle = RelayCache.Tracker.shared.updateRelays { completion in
-                operation.finish(completion: completion)
-            }
-
-            operation.addCancellationBlock {
-                handle.cancel()
-            }
-        }
-
-        let rotatePrivateKeyOperation = ResultBlockOperation<Bool, Error> { operation in
-            let handle = TunnelManager.shared.rotatePrivateKey(forceRotate: false) { completion in
-                operation.finish(completion: completion)
-            }
-
-            operation.addCancellationBlock {
-                handle.cancel()
-            }
-        }
-        rotatePrivateKeyOperation.addDependencies([
-            updateRelaysOperation,
-            updateAddressCacheOperation,
-        ])
-
-        let operations = [
-            updateAddressCacheOperation,
-            updateRelaysOperation,
-            rotatePrivateKeyOperation,
-        ]
-
-        let completeOperation = TransformOperation<UIBackgroundFetchResult, Void, Never>(
-            dispatchQueue: .main
-        )
-
-        completeOperation.setExecutionBlock { backgroundFetchResult in
-            self.logger.debug("Finish background refresh. Status: \(backgroundFetchResult).")
-
-            completionHandler(backgroundFetchResult)
-        }
-
-        completeOperation.injectMany(context: [UIBackgroundFetchResult]())
-            .injectCompletion(from: updateAddressCacheOperation, via: { results, completion in
-                results.append(completion.backgroundFetchResult { $0 })
-            })
-            .injectCompletion(from: updateRelaysOperation, via: { results, completion in
-                results.append(completion.backgroundFetchResult { $0 == .newContent })
-            })
-            .injectCompletion(from: rotatePrivateKeyOperation, via: { results, completion in
-                results.append(completion.backgroundFetchResult { $0 })
-            })
-            .reduce { operationResults in
-                let initialResult = operationResults.first ?? .failed
-                let backgroundFetchResult = operationResults
-                    .reduce(initialResult) { partialResult, other in
-                        return partialResult.combine(with: other)
-                    }
-
-                return backgroundFetchResult
-            }
-
-        let groupOperation = GroupOperation(operations: operations)
-        groupOperation.addObserver(
-            BackgroundObserver(name: "Background refresh", cancelUponExpiration: true)
-        )
-
-        let operationQueue = AsyncOperationQueue()
-        operationQueue.addOperation(groupOperation)
-        operationQueue.addOperation(completeOperation)
-    }
-
     // MARK: - UISceneSession lifecycle
 
     func application(