Device Verification: Add DeviceVerificationDataLoading VC, a loading wheel VC

2026-04-20 16:42:44 +02:00 · 2019-04-17 12:47:42 +02:00
parent 6d6932dac3
commit 68a6ee4168
10 changed files with 285 additions and 45 deletions
@@ -0,0 +1,147 @@
+// File created from simpleScreenTemplate
+// $ createSimpleScreen.sh DeviceVerification/Loading DeviceVerificationDataLoading
+/*
+ Copyright 2019 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 UIKit
+
+protocol DeviceVerificationDataLoadingViewControllerDelegate: class {
+    func deviceVerificationDataLoadingViewControllerDidLoadData(_ viewController: DeviceVerificationDataLoadingViewController, user: MXUser, device: MXDeviceInfo)
+    func deviceVerificationDataLoadingViewControllerDidCancel(_ viewController: DeviceVerificationDataLoadingViewController)
+}
+
+final class DeviceVerificationDataLoadingViewController: UIViewController {
+    
+    // MARK: - Properties
+    
+    // MARK: Outlets
+    
+    // MARK: Private
+
+    private var session: MXSession!
+    private var otherUserId: String!
+    private var otherDeviceId: String!
+
+    private var theme: Theme!
+    private var errorPresenter: MXKErrorPresentation!
+    private var activityPresenter: ActivityIndicatorPresenter!
+    
+    // MARK: Public
+    
+    weak var delegate: DeviceVerificationDataLoadingViewControllerDelegate?
+    
+    // MARK: - Setup
+
+    class func instantiate(session: MXSession, otherUserId: String, otherDeviceId: String) -> DeviceVerificationDataLoadingViewController {
+        let viewController = StoryboardScene.DeviceVerificationDataLoadingViewController.initialScene.instantiate()
+        viewController.session = session
+        viewController.otherUserId = otherUserId
+        viewController.otherDeviceId = otherDeviceId
+        viewController.theme = ThemeService.shared().theme
+        return viewController
+    }
+    
+    // MARK: - Life cycle
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        // Do any additional setup after loading the view.
+        
+        self.title = VectorL10n.deviceVerificationTitle
+        self.vc_removeBackTitle()
+        
+        self.setupViews()
+
+        self.activityPresenter = ActivityIndicatorPresenter()
+        self.errorPresenter = MXKErrorAlertPresentation()
+
+        self.registerThemeServiceDidChangeThemeNotification()
+        self.update(theme: self.theme)
+
+        self.loadData()
+    }
+    
+    override var preferredStatusBarStyle: UIStatusBarStyle {
+        return self.theme.statusBarStyle
+    }
+    
+    // MARK: - Private
+    
+    private func setupViews() {
+    }
+    
+    private func update(theme: Theme) {
+        self.theme = theme
+        
+        self.view.backgroundColor = theme.headerBackgroundColor
+        
+        if let navigationBar = self.navigationController?.navigationBar {
+            theme.applyStyle(onNavigationBar: navigationBar)
+        }
+    }
+    
+    private func registerThemeServiceDidChangeThemeNotification() {
+        NotificationCenter.default.addObserver(self, selector: #selector(themeDidChange), name: .themeServiceDidChangeTheme, object: nil)
+    }
+
+    private func loadData() {
+        self.activityPresenter.presentActivityIndicator(on: self.view, animated: true)
+
+        if let otherUser = self.session.user(withUserId: otherUserId) {
+            self.session.crypto?.downloadKeys([self.otherUserId], forceDownload: false, success: { [weak self] (usersDevicesMap) in
+                guard let sself = self else {
+                    return
+                }
+
+                sself.activityPresenter.removeCurrentActivityIndicator(animated: true)
+
+                if let otherDevice = usersDevicesMap?.object(forDevice: sself.otherDeviceId, forUser: sself.otherUserId) {
+                    sself.delegate?.deviceVerificationDataLoadingViewControllerDidLoadData(sself, user: otherUser, device: otherDevice)
+                } else {
+                    sself.errorPresenter.presentError(from: sself, title: "", message: VectorL10n.deviceVerificationErrorCannotLoadDevice, animated: true, handler: {
+                        sself.delegate?.deviceVerificationDataLoadingViewControllerDidCancel(sself)
+                    })
+                }
+
+                }, failure: { [weak self] (error) in
+                    guard let sself = self else {
+                        return
+                    }
+
+                    sself.activityPresenter.removeCurrentActivityIndicator(animated: true)
+                    sself.errorPresenter.presentError(from: sself, forError: error, animated: true, handler: {
+                        sself.delegate?.deviceVerificationDataLoadingViewControllerDidCancel(sself)
+                    })
+            })
+
+        } else {
+            self.errorPresenter.presentError(from: self, title: "", message: VectorL10n.deviceVerificationErrorCannotLoadDevice, animated: true, handler: {
+                self.delegate?.deviceVerificationDataLoadingViewControllerDidCancel(self)
+            })
+        }
+    }
+
+    // MARK: - Actions
+
+    @objc private func themeDidChange() {
+        self.update(theme: ThemeService.shared().theme)
+    }
+
+    private func cancelButtonAction() {
+        self.delegate?.deviceVerificationDataLoadingViewControllerDidCancel(self)
+    }
+}