Implements #4693 - Alert users of Element on iOS11 deprecation.

2026-04-19 08:03:50 +02:00 · 2021-08-24 14:58:12 +03:00
parent 5c3f054a63
commit 95572d5e44
24 changed files with 823 additions and 26 deletions
@@ -0,0 +1,110 @@
+// 
+// Copyright 2021 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
+import Reusable
+
+protocol VersionCheckAlertViewControllerDelegate: AnyObject {
+    func alertViewControllerDidRequestDismissal(_ alertViewController: VersionCheckAlertViewController)
+    func alertViewControllerDidRequestAction(_ alertViewController: VersionCheckAlertViewController)
+}
+
+struct VersionCheckAlertViewControllerDetails {
+    let title: String
+    let subtitle: String
+    let actionButtonTitle: String
+}
+
+class VersionCheckAlertViewController: UIViewController {
+    
+    @IBOutlet private var alertContainerView: UIView!
+    @IBOutlet private var titleLabel: UILabel!
+    @IBOutlet private var subtitleLabel: UILabel!
+    
+    @IBOutlet private var dismissButton: UIButton!
+    @IBOutlet private var actionButton: UIButton!
+    
+    private var themeService: ThemeService!
+    private var details: VersionCheckAlertViewControllerDetails?
+    
+    weak var delegate: VersionCheckAlertViewControllerDelegate?
+    
+    static func instantiate(themeService: ThemeService) -> VersionCheckAlertViewController {
+        let versionCheckAlertViewController = VersionCheckAlertViewController(nibName: nil, bundle: nil)
+        versionCheckAlertViewController.themeService = themeService
+        versionCheckAlertViewController.modalPresentationStyle = .overFullScreen
+        versionCheckAlertViewController.modalTransitionStyle = .crossDissolve
+        return versionCheckAlertViewController
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        actionButton.layer.masksToBounds = true
+        actionButton.layer.cornerRadius = 6.0
+        
+        configureWithDetails(details)
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(updateTheme), name: .themeServiceDidChangeTheme, object: nil)
+        updateTheme()
+    }
+    
+    func configureWithDetails(_ details: VersionCheckAlertViewControllerDetails?) {
+        guard let details = details else {
+            return
+        }
+        
+        guard self.isViewLoaded else {
+            self.details = details
+            return
+        }
+        
+        titleLabel.text = details.title
+        actionButton.setTitle(details.actionButtonTitle, for: .normal)
+        
+        let attributedSubtitle = NSMutableAttributedString(string: details.subtitle)
+        
+        let paragraphStyle = NSMutableParagraphStyle()
+        paragraphStyle.lineHeightMultiple = 1.2
+        paragraphStyle.alignment = .center
+        
+        attributedSubtitle.addAttribute(.paragraphStyle, value: paragraphStyle, range: .init(location: 0, length: attributedSubtitle.length))
+        
+        subtitleLabel.attributedText = attributedSubtitle
+    }
+    
+    // MARK: - Private
+    
+    @IBAction private func onDismissButtonTap(_ sender: UIButton) {
+        delegate?.alertViewControllerDidRequestDismissal(self)
+    }
+    
+    @IBAction private func onActionButtonTap(_ sender: UIButton) {
+        delegate?.alertViewControllerDidRequestAction(self)
+    }
+    
+    @objc private func updateTheme() {
+        let theme = themeService.theme
+        
+        alertContainerView.backgroundColor = theme.colors.background
+        
+        titleLabel.textColor = theme.colors.primaryContent
+        subtitleLabel.textColor = theme.colors.secondaryContent
+        
+        dismissButton.tintColor = theme.colors.secondaryContent
+        actionButton.vc_setBackgroundColor(theme.colors.accent, for: .normal)
+    }
+}