Merge pull request #442 from deltachat/update_group_members

update title in chat view if member was added or removed

deltachat-ios/Controller/ChatViewController.swift

@@ -106,24 +106,7 @@ class ChatViewController: MessagesViewController {
 
         let chat = DcChat(id: chatId)
         if showCustomNavBar {
-            let titleView =  ChatTitleView()
-
-            var subtitle = "ErrSubtitle"
-            let chatContactIds = chat.contactIds
-            if chat.isGroup {
-                subtitle = String.localizedStringWithFormat(NSLocalizedString("n_members", comment: ""), chatContactIds.count)
-            } else if chatContactIds.count >= 1 {
-                if chat.isDeviceTalk {
-                    subtitle = String.localized("device_talk_subtitle")
-                } else if chat.isSelfTalk {
-                    subtitle = String.localized("chat_self_talk_subtitle")
-                } else {
-                    subtitle = DcContact(id: chatContactIds[0]).email
-                }
-            }
-
-            titleView.updateTitleView(title: chat.name, subtitle: subtitle)
-            navigationItem.titleView = titleView
+            updateTitle(chat: chat)
 
             let badge: InitialsBadge
             if let image = chat.profileImage {
@@ -155,6 +138,9 @@ class ChatViewController: MessagesViewController {
                         self.refreshMessages()
                     }
                 }
+                if (self.showCustomNavBar) {
+                    self.updateTitle(chat: chat)
+                }
             }
         }
 
@@ -209,6 +195,26 @@ class ChatViewController: MessagesViewController {
         audioController.stopAnyOngoingPlaying()
     }
 
+    private func updateTitle(chat: DcChat) {
+        let titleView =  ChatTitleView()
+
+        var subtitle = "ErrSubtitle"
+        let chatContactIds = chat.contactIds
+        if chat.isGroup {
+            subtitle = String.localizedStringWithFormat(NSLocalizedString("n_members", comment: ""), chatContactIds.count)
+        } else if chatContactIds.count >= 1 {
+            if chat.isDeviceTalk {
+                subtitle = String.localized("device_talk_subtitle")
+            } else if chat.isSelfTalk {
+                subtitle = String.localized("chat_self_talk_subtitle")
+            } else {
+                subtitle = DcContact(id: chatContactIds[0]).email
+            }
+        }
+        titleView.updateTitleView(title: chat.name, subtitle: subtitle)
+        navigationItem.titleView = titleView
+    }
+
     @objc
     private func loadMoreMessages() {
         DispatchQueue.global(qos: .userInitiated).asyncAfter(deadline: .now() + 1) {