COVIDSafe code from version 1.1

2025-06-07 21:15:18 +00:00 · 2020-05-08 17:49:14 +10:00 · 2020-05-08 17:49:14 +10:00 · 3640e52eb2
commit 3640e52eb2
330 changed files with 261540 additions and 0 deletions
--- a/CovidSafe/HelpNavController.swift
+++ b/CovidSafe/HelpNavController.swift
@ -0,0 +1,151 @@
+//  Copyright © 2020 Australian Government All rights reserved.
+
+import WebKit
+import UIKit
+
+class HelpNavController: UINavigationController {
+
+    private static let HELP_PAGE_URL = URLHelper.getHelpURL()
+
+    private let loader = UIActivityIndicatorView(style: .gray)
+    let webview = WKWebView()
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        self.view.backgroundColor = .white
+        self.setNavigationBarHidden(true, animated: false)
+
+        setup()
+        loadHelp()
+    }
+
+    private func setup() {
+        webview.navigationDelegate = self
+        webview.translatesAutoresizingMaskIntoConstraints = false
+
+        let closeButton = UIButton(type: .system)
+        closeButton.translatesAutoresizingMaskIntoConstraints = false
+        closeButton.setImage(UIImage(named: "closeButton")?.withRenderingMode(.alwaysTemplate), for: .normal)
+        closeButton.addTarget(self, action: #selector(close), for: .touchUpInside)
+        closeButton.tintColor = .covidSafeColor
+
+        let feedbackButton = UIButton(type: .system)
+        feedbackButton.translatesAutoresizingMaskIntoConstraints = false
+        feedbackButton.addTarget(self, action: #selector(feedbackButtonPressed(_:)), for: .touchUpInside)
+        feedbackButton.setTitle("Report an issue", for: .normal)
+        feedbackButton.titleLabel?.font = .systemFont(ofSize: 18)
+        feedbackButton.tintColor = .covidSafeColor
+        
+        let dividerLine = UIView()
+        dividerLine.translatesAutoresizingMaskIntoConstraints = false
+        if #available(iOS 13.0, *) {
+            dividerLine.backgroundColor = .secondarySystemFill
+        } else {
+            dividerLine.backgroundColor = UIColor(0xe9e9eb)
+        }
+
+        view.addSubview(closeButton)
+        view.addSubview(feedbackButton)
+        view.addSubview(dividerLine)
+        view.addSubview(webview)
+
+        if #available(iOS 11.0, *) {
+            NSLayoutConstraint.activate([
+                closeButton.centerYAnchor.constraint(equalTo: feedbackButton.centerYAnchor),
+                closeButton.leadingAnchor.constraint(equalTo: view.layoutMarginsGuide.leadingAnchor),
+                
+                feedbackButton.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
+                feedbackButton.trailingAnchor.constraint(equalTo: view.layoutMarginsGuide.trailingAnchor),
+                
+                webview.topAnchor.constraint(equalTo: dividerLine.bottomAnchor),
+                webview.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor),
+                webview.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor),
+                webview.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor),
+            ])
+        } else {
+            NSLayoutConstraint.activate([
+                closeButton.centerYAnchor.constraint(equalTo: feedbackButton.centerYAnchor),
+                closeButton.leadingAnchor.constraint(equalTo: view.layoutMarginsGuide.leadingAnchor),
+                
+                feedbackButton.topAnchor.constraint(equalTo: view.layoutMarginsGuide.topAnchor, constant: 16.0),
+                feedbackButton.trailingAnchor.constraint(equalTo: view.layoutMarginsGuide.trailingAnchor),
+
+                webview.topAnchor.constraint(equalTo: dividerLine.bottomAnchor),
+                webview.leadingAnchor.constraint(equalTo: view.leadingAnchor),
+                webview.trailingAnchor.constraint(equalTo: view.trailingAnchor),
+                webview.bottomAnchor.constraint(equalTo: view.bottomAnchor),
+            ])
+        }
+        
+        NSLayoutConstraint.activate([
+            dividerLine.topAnchor.constraint(equalTo: feedbackButton.bottomAnchor),
+            dividerLine.leadingAnchor.constraint(equalTo: view.leadingAnchor),
+            dividerLine.trailingAnchor.constraint(equalTo: view.trailingAnchor),
+            dividerLine.heightAnchor.constraint(equalToConstant: 1.0 / UIScreen.main.scale)
+        ])
+    }
+
+    private func loadHelp() {
+        guard let url = URL(string: HelpNavController.HELP_PAGE_URL) else {
+            assertionFailure("Invalid URL: \(HelpNavController.HELP_PAGE_URL)")
+            return
+        }
+
+        showLoader()
+        webview.load(URLRequest(url: url))
+    }
+
+    private func showLoader() {
+        loader.translatesAutoresizingMaskIntoConstraints = false
+        webview.addSubview(loader)
+
+        NSLayoutConstraint.activate([
+            loader.centerYAnchor.constraint(equalTo: webview.centerYAnchor),
+            loader.centerXAnchor.constraint(equalTo: webview.centerXAnchor),
+        ])
+        loader.startAnimating()
+    }
+
+    private func hideLoader() {
+        loader.stopAnimating()
+        loader.removeFromSuperview()
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+    }
+
+    @objc func feedbackButtonPressed(_ sender: Any) {
+        do {
+            let feedbackSettings = try FeedbackSettings(navigationBarStyle: .white)
+            self.presentFeedback(false, settings: feedbackSettings)
+        } catch {
+            preconditionFailure("Error retrieving feedback settings: \(error.localizedDescription)")
+        }
+    }
+
+    @objc private func close() {
+        dismiss(animated: true, completion: nil)
+    }
+}
+
+extension HelpNavController: WKNavigationDelegate {
+    func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
+        hideLoader()
+    }
+
+    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
+
+        guard let url = navigationAction.request.url,
+            url.absoluteString != HelpNavController.HELP_PAGE_URL else {
+                decisionHandler(.allow)
+                return
+        }
+
+        let app = UIApplication.shared
+        if app.canOpenURL(url) {
+            app.open(url, options: [:], completionHandler: nil)
+        }
+        decisionHandler(.cancel)
+    }
+}