From a2f602731977c1930f2c960b9e1ab39ab6fb6dcf Mon Sep 17 00:00:00 2001
From: Marissa Le Coz <129999395+marissa-signal@users.noreply.github.com>
Date: Wed, 9 Oct 2024 20:25:12 -0400
Subject: [PATCH] Make call UI react to receiving unknown users' profile keys

---
 .../Calls/UserInterface/CallDrawerSheet.swift |  2 +-
 .../GroupCallViewController.swift             | 38 +++++++++++++++++++
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/Signal/Calls/UserInterface/CallDrawerSheet.swift b/Signal/Calls/UserInterface/CallDrawerSheet.swift
index 896d02a186..db2b906a8d 100644
--- a/Signal/Calls/UserInterface/CallDrawerSheet.swift
+++ b/Signal/Calls/UserInterface/CallDrawerSheet.swift
@@ -381,7 +381,7 @@ class CallDrawerSheet: InteractiveSheetViewController {
         }
     }
 
-    private func updateMembers() {
+    func updateMembers() {
         let unsortedMembers: [JoinedMember] = databaseStorage.read {
             callSheetDataSource.unsortedMembers(tx: $0.asV2Read)
         }
diff --git a/Signal/Calls/UserInterface/GroupCallViewController.swift b/Signal/Calls/UserInterface/GroupCallViewController.swift
index f6ee537955..f1a1e4c7b2 100644
--- a/Signal/Calls/UserInterface/GroupCallViewController.swift
+++ b/Signal/Calls/UserInterface/GroupCallViewController.swift
@@ -559,6 +559,13 @@ class GroupCallViewController: UIViewController {
                 )
             }
         }
+
+        NotificationCenter.default.addObserver(
+            self,
+            selector: #selector(otherUsersProfileChanged(notification:)),
+            name: UserProfileNotifications.otherUsersProfileDidChange,
+            object: nil
+        )
     }
 
     override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
@@ -1405,6 +1412,37 @@ class GroupCallViewController: UIViewController {
 
         callService.callUIAdapter.answerCall(call)
     }
+
+    // MARK: Profile updates
+
+    @objc
+    private func otherUsersProfileChanged(notification: Notification) {
+        AssertIsOnMainThread()
+
+        guard let changedAddress = notification.userInfo?[UserProfileNotifications.profileAddressKey] as? SignalServiceAddress,
+              changedAddress.isValid else {
+            owsFailDebug("changedAddress was unexpectedly nil")
+            return
+        }
+
+        if let peekInfo = self.ringRtcCall.peekInfo {
+            let joinedAndPendingMembers = peekInfo.joinedMembers + peekInfo.pendingUsers
+
+            if joinedAndPendingMembers.contains(where: { uuid in
+                changedAddress == SignalServiceAddress(Aci(fromUUID: uuid))
+            }) {
+                self.bottomSheet.updateMembers()
+
+                switch self.ringRtcCall.kind {
+                case .signalGroup:
+                    break
+                case .callLink:
+                    // Refresh profiles in call link admin approval UI.
+                    self.callLinkApprovalViewModel.loadRequestsWithSneakyTransaction(for: peekInfo.pendingUsers)
+                }
+            }
+        }
+    }
 }
 
 // MARK: CallViewControllerWindowReference