Create SecretsRecoveryCoordinatorBridgePresenter.

Riot/Modules/SecretsRecovery/SecretsRecoveryCoordinatorBridgePresenter.swift

@@ -0,0 +1,115 @@
+/*
+ Copyright 2020 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import Foundation
+
+@objc protocol SecretsRecoveryCoordinatorBridgePresenterDelegate {
+    func secretsRecoveryCoordinatorBridgePresenterDelegateDidComplete(_ coordinatorBridgePresenter: SecretsRecoveryCoordinatorBridgePresenter)
+    func secretsRecoveryCoordinatorBridgePresenterDelegateDidCancel(_ coordinatorBridgePresenter: SecretsRecoveryCoordinatorBridgePresenter)
+}
+
+/// SecretsRecoveryCoordinatorBridgePresenter enables to start SecretsRecoveryCoordinator from a view controller.
+/// This bridge is used while waiting for global usage of coordinator pattern.
+@objcMembers
+final class SecretsRecoveryCoordinatorBridgePresenter: NSObject {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    private let session: MXSession
+    private let recoveryMode: SecretsRecoveryMode
+    private let recoveryGoal: SecretsRecoveryGoal
+    
+    private var coordinator: SecretsRecoveryCoordinator?
+    
+    // MARK: Public
+    
+    weak var delegate: SecretsRecoveryCoordinatorBridgePresenterDelegate?
+    
+    var isPresenting: Bool {
+        return self.coordinator != nil
+    }
+    
+    // MARK: - Setup
+    
+    init(session: MXSession, recoveryMode: SecretsRecoveryMode, recoveryGoal: SecretsRecoveryGoal) {
+        self.session = session
+        self.recoveryMode = recoveryMode
+        self.recoveryGoal = recoveryGoal
+        super.init()
+    }
+    
+    init(session: MXSession, recoveryGoal: SecretsRecoveryGoal) {
+        self.session = session
+        
+        if case SecretsRecoveryAvailability.available(let secretMode) = session.crypto.recoveryService.vc_availability {
+            self.recoveryMode = secretMode
+        } else {
+            fatalError("[SecretsRecoveryCoordinatorBridgePresenter] recoveryService should be available when presenting recovery")
+        }
+        
+        self.recoveryGoal = recoveryGoal
+        super.init()
+    }
+    
+    // MARK: - Public
+    
+    func toPresentable() -> UIViewController? {
+        return self.coordinator?.toPresentable()
+    }
+    
+    func present(from viewController: UIViewController, animated: Bool) {
+        
+        let coordinator = SecretsRecoveryCoordinator(session: self.session, recoveryMode: self.recoveryMode, recoveryGoal: self.recoveryGoal)
+        coordinator.delegate = self
+        
+        let presentable = coordinator.toPresentable()
+        presentable.modalPresentationStyle = .formSheet
+        viewController.present(presentable, animated: animated, completion: nil)
+        
+        coordinator.start()
+        
+        self.coordinator = coordinator
+    }
+    
+    func dismiss(animated: Bool, completion: (() -> Void)?) {
+        guard let coordinator = self.coordinator else {
+            return
+        }
+        
+        NSLog("[SecretsRecoveryCoordinatorBridgePresenter] Dismiss")
+        
+        coordinator.toPresentable().dismiss(animated: animated) {
+            self.coordinator = nil
+            
+            if let completion = completion {
+                completion()
+            }
+        }
+    }
+}
+
+// MARK: - KeyVerificationCoordinatorDelegate
+extension SecretsRecoveryCoordinatorBridgePresenter: SecretsRecoveryCoordinatorDelegate {
+    func secretsRecoveryCoordinatorDidRecover(_ coordinator: SecretsRecoveryCoordinatorType) {
+        self.delegate?.secretsRecoveryCoordinatorBridgePresenterDelegateDidComplete(self)
+    }
+    
+    func secretsRecoveryCoordinatorDidCancel(_ coordinator: SecretsRecoveryCoordinatorType) {
+        self.delegate?.secretsRecoveryCoordinatorBridgePresenterDelegateDidCancel(self)
+    }
+}

Riot/Modules/SecretsRecovery/SecretsRecoveryMode.swift

@@ -16,7 +16,8 @@
 
 import Foundation
 
-enum SecretsRecoveryMode {
+@objc
+enum SecretsRecoveryMode: Int {
     case passphraseOrKey
     case onlyKey
 }