Added federation indicator to room info screen

Riot/Modules/Room/RoomInfo/RoomInfoList/Views/RoomInfoBasicView.swift

@@ -105,9 +105,17 @@ class RoomInfoBasicView: UIView {
                 }
             }
         }
-
-        badgeImageView.image = viewData.encryptionImage
-        roomNameLabel.text = viewData.roomDisplayName
+        
+        // bwi: 5216 - federation
+        if BWIBuildSettings.shared.isFederationEnabled && viewData.isFederated {
+            badgeImageView.image = federationBadgeImage()
+            roomNameLabel.numberOfLines = 2
+            roomNameLabel.attributedText = roomNameWithFederationPill(roomDisplayName: viewData.roomDisplayName, font: roomNameLabel.font)
+        } else {
+            badgeImageView.image = viewData.encryptionImage
+            roomNameLabel.text = viewData.roomDisplayName
+        }
+        
         roomAddressLabel.text = viewData.mainRoomAlias
         roomAddressLabel.isHidden = roomAddressLabel.text?.isEmpty ?? true
         roomTopicTextView.text = viewData.roomTopic
@@ -125,6 +133,46 @@ class RoomInfoBasicView: UIView {
         updateBadgeImageViewPosition(isPresenceDisplayed: viewData.directUserPresence != .unknown)
     }
     
+    // bwi: 5216 - federation
+    private func federationBadgeImage() -> UIImage {
+        if ThemeService.shared().isCurrentThemeDark() {
+            return Asset.Images.roomFederatedBumIconDark.image
+        } else {
+            return Asset.Images.roomFederatedBumIconLight.image
+        }
+    }
+    
+    // bwi: 5216 - federation
+    private func roomNameWithFederationPill(roomDisplayName: String?, font: UIFont) -> NSAttributedString? {
+        guard let roomDisplayName = roomDisplayName else {
+            return nil
+        }
+        
+        let attributedString = NSMutableAttributedString(string: roomDisplayName + " ")
+
+        // get the correct asset for the current theme and language
+        let image: UIImage
+        if Locale.current.languageCode == "de" {
+            image = ThemeService.shared().isCurrentThemeDark() ? Asset.Images.federationPillDeBumDark.image : Asset.Images.federationPillDeBumLight.image
+        } else {
+            image = ThemeService.shared().isCurrentThemeDark() ? Asset.Images.federationPillEnBumDark.image : Asset.Images.federationPillEnBumLight.image
+        }
+        
+        // append the pill to the room name
+        if image.size.width > 0.0 && image.size.height > 0.0 {
+            let aspectRatio = image.size.width / image.size.height
+            let pillHeight = 20.0
+            let offset = 0.5 * (font.capHeight - pillHeight)
+            
+            let attachment = NSTextAttachment()
+            attachment.image = image
+            attachment.bounds = CGRect(x: 0, y: offset, width: pillHeight * aspectRatio, height: pillHeight)
+            attributedString.append(NSAttributedString(attachment: attachment))
+        }
+        
+        return attributedString
+    }
+    
     private func updateBadgeImageViewPosition(isPresenceDisplayed: Bool) {
         guard badgeImageView.image != nil else {
             badgeImageView.isHidden = true