feat: Migration to modern restoration API

kDrive/AppDelegate+BGNSURLSession.swift

@@ -21,17 +21,18 @@ import kDriveCore
 import UIKit
 
 extension AppDelegate {
-    func application(_ application: UIApplication,
-                     handleEventsForBackgroundURLSession identifier: String,
-                     completionHandler: @escaping () -> Void) {
-        Log.bgSessionManager("background session relaunched identifier:\(identifier)")
-        if identifier == DownloadQueue.backgroundIdentifier {
-            backgroundDownloadSessionManager.backgroundCompletionHandler = completionHandler
-        } else if identifier.hasSuffix(UploadQueue.backgroundBaseIdentifier) {
-            backgroundUploadSessionManager.handleEventsForBackgroundURLSession(identifier: identifier,
-                                                                               completionHandler: completionHandler)
-        } else {
-            completionHandler()
-        }
-    }
+    /* Deprecating usage of BackgroundURLSessions
+     func application(_ application: UIApplication,
+                      handleEventsForBackgroundURLSession identifier: String,
+                      completionHandler: @escaping () -> Void) {
+         Log.bgSessionManager("background session relaunched identifier:\(identifier)")
+         if identifier == DownloadQueue.backgroundIdentifier {
+             backgroundDownloadSessionManager.backgroundCompletionHandler = completionHandler
+         } else if identifier.hasSuffix(UploadQueue.backgroundBaseIdentifier) {
+             backgroundUploadSessionManager.handleEventsForBackgroundURLSession(identifier: identifier,
+                                                                                completionHandler: completionHandler)
+         } else {
+             completionHandler()
+         }
+     }*/
 }

kDrive/AppDelegate+Scene.swift

@@ -0,0 +1,50 @@
+/*
+ Infomaniak kDrive - iOS App
+ Copyright (C) 2023 Infomaniak Network SA
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import UIKit
+
+extension AppDelegate {
+    /** iOS 13 or later
+         UIKit uses this delegate when it is about to create and vend a new UIScene instance to the application.
+         Use this function to select a configuration to create the new scene with.
+         You can define the scene configuration in code here, or define it in the Info.plist.
+
+         The application delegate may modify the provided UISceneConfiguration within this function.
+         If the UISceneConfiguration instance that returns from this function does not have a systemType
+         that matches the connectingSession's, UIKit asserts.
+     */
+    func application(_ application: UIApplication,
+                     configurationForConnecting connectingSceneSession: UISceneSession,
+                     options: UIScene.ConnectionOptions) -> UISceneConfiguration {
+        print("•• application configurationForConnecting:\(connectingSceneSession)")
+        return connectingSceneSession.configuration
+    }
+
+    /** iOS 13 or later
+         The system calls this delegate when it removes one or more representations from the -[UIApplication openSessions] set
+         due to a user interaction or a request from the app itself. If the system discards sessions while the app isn't running,
+         it calls this function shortly after the app’s next launch.
+
+         Use this function to:
+         Release any resources that were specific to the discarded scenes, as they will NOT return.
+         Remove any state or data associated with this session, as it will not return (such as, unsaved draft of a document).
+     */
+    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
+        print("•• application didDiscardSceneSessions:\(sceneSessions)")
+    }
+}

kDrive/AppDelegate+StateRestoration.swift

@@ -0,0 +1,43 @@
+/*
+ Infomaniak kDrive - iOS App
+ Copyright (C) 2023 Infomaniak Network SA
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import UIKit
+
+extension AppDelegate {
+    // For non-scene-based versions of this app on iOS 13.1 and earlier.
+    func application(_ application: UIApplication, shouldSaveApplicationState coder: NSCoder) -> Bool {
+        return appRestorationService.shouldSaveApplicationState(coder: coder)
+    }
+
+    // For non-scene-based versions of this app on iOS 13.1 and earlier.
+    func application(_ application: UIApplication, shouldRestoreApplicationState coder: NSCoder) -> Bool {
+        return appRestorationService.shouldRestoreApplicationState(coder: coder)
+    }
+
+    @available(iOS 13.2, *)
+    // For non-scene-based versions of this app on iOS 13.2 and later.
+    func application(_ application: UIApplication, shouldSaveSecureApplicationState coder: NSCoder) -> Bool {
+        return appRestorationService.shouldSaveApplicationState(coder: coder)
+    }
+
+    @available(iOS 13.2, *)
+    // For non-scene-based versions of this app on iOS 13.2 and later.
+    func application(_ application: UIApplication, shouldRestoreSecureApplicationState coder: NSCoder) -> Bool {
+        return appRestorationService.shouldRestoreApplicationState(coder: coder)
+    }
+}