WIP

Signal/src/ViewControllers/ConversationView/ConversationViewController.m

@@ -672,23 +672,8 @@ typedef enum : NSUInteger {
     [self applyTheme];
     [self.conversationViewModel viewDidLoad];
 
-    // Loki: Set gradient background
+    [LKViewControllerUtilities setUpDefaultSessionStyleForVC:self withTitle:nil customBackButton:YES];
     self.collectionView.backgroundColor = UIColor.clearColor;
-    LKGradient *gradient = LKGradients.defaultLokiBackground;
-    self.view.backgroundColor = UIColor.clearColor;
-    [self.view setGradient:gradient];
-
-    // Loki: Set navigation bar background color
-    UINavigationBar *navigationBar = self.navigationController.navigationBar;
-    [navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];
-    navigationBar.shadowImage = [UIImage new];
-    [navigationBar setTranslucent:NO];
-    navigationBar.barTintColor = LKColors.navigationBarBackground;
-
-    // Loki: Set up navigation bar buttons
-    UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Back", "") style:UIBarButtonItemStylePlain target:nil action:nil];
-    backButton.tintColor = LKColors.text;
-    self.navigationItem.backBarButtonItem = backButton;
     UIBarButtonItem *settingsButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"Gear"] style:UIBarButtonItemStylePlain target:self action:@selector(showConversationSettings)];
     settingsButton.tintColor = LKColors.text;
     self.navigationItem.rightBarButtonItem = settingsButton;

SignalMessaging/Loki/Redesign/Utilities/UIViewController+Utilities.swift

@@ -5,7 +5,7 @@ public final class ViewControllerUtilities : NSObject {
     private override init() { }
 
     @objc(setUpDefaultSessionStyleForVC:withTitle:customBackButton:)
-    public static func setUpDefaultSessionStyle(for vc: UIViewController, title: String, hasCustomBackButton: Bool) {
+    public static func setUpDefaultSessionStyle(for vc: UIViewController, title: String?, hasCustomBackButton: Bool) {
         // Set gradient background
         vc.view.backgroundColor = .clear
         let gradient = Gradients.defaultLokiBackground
@@ -18,11 +18,13 @@ public final class ViewControllerUtilities : NSObject {
             navigationBar.barTintColor = Colors.navigationBarBackground
         }
         // Customize title
-        let titleLabel = UILabel()
-        titleLabel.text = title
-        titleLabel.textColor = Colors.text
-        titleLabel.font = .boldSystemFont(ofSize: Values.veryLargeFontSize)
-        vc.navigationItem.titleView = titleLabel
+        if let title = title {
+            let titleLabel = UILabel()
+            titleLabel.text = title
+            titleLabel.textColor = Colors.text
+            titleLabel.font = .boldSystemFont(ofSize: Values.veryLargeFontSize)
+            vc.navigationItem.titleView = titleLabel
+        }
         // Set up back button
         if hasCustomBackButton {
             let backButton = UIBarButtonItem(title: "Back", style: .plain, target: nil, action: nil)