Redacting membership events should immediately reset the displayname …

…& avatar of room members. #443 Refresh Room members list on state event redaction
element-hq · Aug 12, 2016 · 5009263 · 5009263
1 parent 550aeff
commit 5009263
Showing 1 changed file with 28 additions and 0 deletions.
diff --git a/Vector/ViewController/RoomParticipantsViewController.m b/Vector/ViewController/RoomParticipantsViewController.m
@@ -58,6 +58,9 @@ @interface RoomParticipantsViewController ()
 
     // Observe kMXSessionWillLeaveRoomNotification to be notified if the user leaves the current room.
     id leaveRoomNotificationObserver;
+
+    // Observe kMXRoomDidFlushMessagesNotification to take into account the updated room members when the room history is flushed.
+    id roomDidFlushMessagesNotificationObserver;
 
     RoomMemberDetailsViewController *memberDetailsViewController;
 
@@ -151,6 +154,12 @@ - (void)destroy
         leaveRoomNotificationObserver = nil;
     }
 
+    if (roomDidFlushMessagesNotificationObserver)
+    {
+        [[NSNotificationCenter defaultCenter] removeObserver:roomDidFlushMessagesNotificationObserver];
+        roomDidFlushMessagesNotificationObserver = nil;
+    }
+
     if (membersListener)
     {
         [self.mxRoom.liveTimeline removeListener:membersListener];
@@ -257,6 +266,11 @@ - (void)setMxRoom:(MXRoom *)mxRoom
         [[NSNotificationCenter defaultCenter] removeObserver:leaveRoomNotificationObserver];
         leaveRoomNotificationObserver = nil;
     }
+    if (roomDidFlushMessagesNotificationObserver)
+    {
+        [[NSNotificationCenter defaultCenter] removeObserver:roomDidFlushMessagesNotificationObserver];
+        roomDidFlushMessagesNotificationObserver = nil;
+    }
     if (membersListener)
     {
         [_mxRoom.liveTimeline removeListener:membersListener];
@@ -285,6 +299,20 @@ - (void)setMxRoom:(MXRoom *)mxRoom
             }
         }];
 
+        // Observe room history flush (sync with limited timeline, or state event redaction)
+        roomDidFlushMessagesNotificationObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kMXRoomDidFlushMessagesNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *notif) {
+
+            MXRoom *room = notif.object;
+            if (_mxRoom.mxSession == room.mxSession && [_mxRoom.state.roomId isEqualToString:room.state.roomId])
+            {
+                // The existing room history has been flushed during server sync. Take into account the updated room members list.
+                [self refreshParticipantsFromRoomMembers];
+
+                [self.tableView reloadData];
+            }
+
+        }];
+
         // Register a listener for events that concern room members
         NSArray *mxMembersEvents = @[kMXEventTypeStringRoomMember, kMXEventTypeStringRoomThirdPartyInvite, kMXEventTypeStringRoomPowerLevels];
         membersListener = [_mxRoom.liveTimeline listenToEventsOfTypes:mxMembersEvents onEvent:^(MXEvent *event, MXTimelineDirection direction, id customObject) {