Branding config remaining bits.

Author: aforge

Tinodios/AppDelegate.swift

@@ -84,8 +84,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         if SharedUtils.isFirstLaunch {
             Cache.log.info("First time launch. Setting up...")
             SharedUtils.isFirstLaunch = false
-            // TODO: uncomment when branding setup is complete.
-            // SharedUtils.setUpBranding()
+            SharedUtils.identifyAndConfigureBranding()
         }
         SharedUtils.registerUserDefaults()
         let baseDb = BaseDb.sharedInstance

Tinodios/Base.lproj/Main.storyboard

@@ -7,6 +7,7 @@
 
 import UIKit
 import TinodeSDK
+import TinodiosDB
 
 protocol ChatListDisplayLogic: AnyObject {
     func displayChats(_ topics: [DefaultComTopic], archivedTopics: [DefaultComTopic]?)
@@ -57,6 +58,10 @@ class ChatListViewController: UITableViewController, ChatListDisplayLogic {
         button.addTarget(self, action: #selector(navigateToArchive), for: .touchUpInside)
         archivedChatsFooter!.addSubview(button)
         tableView.tableFooterView = archivedChatsFooter
+        // Customize the title if needed.
+        if let serviceName = SharedUtils.serviceName {
+            self.title = serviceName
+        }
     }
 
     private func toggleFooter(visible: Bool) {

Tinodios/ChatListViewController.swift

@@ -11,6 +11,10 @@ import TinodiosDB
 import UIKit
 
 class SettingsHelpViewController: UITableViewController {
+    // 44px is the default UITableView row height.
+    // TODO: may be 88px for retina display. Handle it.
+    private static let kDefaultRowHeight: CGFloat = 44
+
     @IBOutlet weak var contactUs: UITableViewCell!
     @IBOutlet weak var termsOfUse: UITableViewCell!
     @IBOutlet weak var privacyPolicy: UITableViewCell!
@@ -19,9 +23,12 @@ class SettingsHelpViewController: UITableViewController {
     @IBOutlet weak var serviceNameLabel: UILabel!
     @IBOutlet weak var serviceLinkLabel: UILabel!
     @IBOutlet weak var serverAddressLabel: UILabel!
+    @IBOutlet weak var poweredByView: UIView!
 
     private var tosUrl: URL!
     private var privacyUrl: URL!
+    private var isUsingCustomBranding = false
+    private var contentHeight: CGFloat = 0
 
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -52,8 +59,6 @@ class SettingsHelpViewController: UITableViewController {
         // Logo.
         if let logo = SharedUtils.largeIcon {
             logoView.image = logo
-        } else {
-            logoView.image = UIImage(named: "logo-ios")
         }
         // Service name.
         if let serviceName = SharedUtils.serviceName {
@@ -67,6 +72,39 @@ class SettingsHelpViewController: UITableViewController {
         // Server address.
         let (host, tls) = Tinode.getConnectionParams()
         serverAddressLabel.text = (tls ? "https://" : "http://") + host
+
+        // Precompute content height.
+        // Table is confitured as static cells. Can use simple loop.
+        self.contentHeight = 0
+        for i in 0..<tableView.numberOfSections {
+            let numRows = tableView.numberOfRows(inSection: i)
+            for j in 0..<numRows {
+                let h = tableView(self.tableView, heightForRowAt: IndexPath(row: j, section: i))
+                self.contentHeight += h > 0 ? h : SettingsHelpViewController.kDefaultRowHeight
+            }
+        }
+
+        if SharedUtils.appId != nil {
+            self.isUsingCustomBranding = true
+        }
+        self.poweredByView.isHidden = !isUsingCustomBranding
+    }
+
+    override func viewDidLayoutSubviews() {
+        super.viewDidLayoutSubviews()
+
+        if isUsingCustomBranding {
+            // Adjust "Powered by" view position.
+            let topPadding = self.tableView.safeAreaInsets.top
+            let bottomPadding = self.tableView.safeAreaInsets.bottom
+            // Total space available below table content and the bottom.
+            let height = tableView.frame.height - topPadding - bottomPadding - self.contentHeight
+            // height < 0 means "Powered By" isn't visible.
+            let h = height > 0 ? height : SettingsHelpViewController.kDefaultRowHeight
+            if h >= SettingsHelpViewController.kDefaultRowHeight && poweredByView.frame.size.height != h {
+                poweredByView.frame.size.height = h
+            }
+        }
     }
 
     @objc func termsOfUseClicked(sender: UITapGestureRecognizer) {

Tinodios/SettingsHelpViewController.swift

@@ -268,6 +268,9 @@ class UiUtils {
         DispatchQueue.main.async {
             let storyboard = UIStoryboard(name: "Main", bundle: nil)
             let initialViewController = storyboard.instantiateViewController(withIdentifier: "ChatsNavigator") as! UINavigationController
+            if let serviceName = SharedUtils.serviceName {
+                initialViewController.title = serviceName
+            }
             if let window = (UIApplication.shared.delegate as! AppDelegate).window {
                 window.rootViewController = initialViewController
             }
@@ -326,6 +329,9 @@ class UiUtils {
             } else {
                 rootVC = storyboard.instantiateViewController(
                     withIdentifier: "ChatsNavigator") as! UINavigationController
+                if let serviceName = SharedUtils.serviceName {
+                    rootVC.title = serviceName
+                }
             }
             let messageVC =
                 storyboard.instantiateViewController(

Tinodios/UiUtils.swift

@@ -364,6 +364,29 @@ public class SharedUtils {
         task.resume()
     }
 
+    // Identifies device with Tinode server and fetches branding configuration code.
+    public static func identifyAndConfigureBranding() {
+        let url = URL(string: "https://hosts.tinode.co/whoami")!
+        print("Self-identifying with the server. Endpoint: ", url.absoluteString)
+        let task = URLSession.shared.dataTask(with: URLRequest(url: url)) { data, response, error in
+            guard let data = data, error == nil else {
+                print("Branding config response error: " + (error?.localizedDescription ?? "Failed to self-identify"))
+                return
+            }
+            let responseJSON = try? JSONSerialization.jsonObject(with: data, options: [])
+            if let responseJSON = responseJSON as? [String: Any] {
+                print("Branding identity config: ", responseJSON)
+
+                if let code = responseJSON["code"] as? String {
+                    SharedUtils.setUpBranding(withConfigurationCode: code)
+                } else {
+                    print("Branding config error: Missing configuration code in the response. Quitting.")
+                }
+            }
+        }
+        task.resume()
+    }
+
     // Configures application branding and connection settings.
     public static func setUpBranding(withConfigurationCode configCode: String) {
         guard !configCode.isEmpty else {