BF: MXPeekingRoom: the room preview is broken

element-hq/element-ios/issues/2126

CHANGES.rst

@@ -8,6 +8,7 @@ Improvements:
 
 Bug Fix:
  * MXCryptoStore: Stop duplicating devices in the store (vector-im/riot-ios/issues/2132).
+ * MXPeekingRoom: the room preview is broken (vector-im/riot-ios/issues/2126).
 
 Changes in Matrix iOS SDK in 0.12.0 (2018-12-06)
 ===============================================

MatrixSDK/Data/MXEventTimeline.m

@@ -332,7 +332,8 @@ - (MXHTTPOperation *)paginate:(NSUInteger)numItems direction:(MXTimelineDirectio
         NSLog(@"[MXEventTimeline] paginate : got %tu messages from the server", paginatedResponse.chunk.count);
 
         // Check if the room has not been left while waiting for the response
-        if ([self->room.mxSession hasRoomWithRoomId:self->room.roomId])
+        if ([self->room.mxSession hasRoomWithRoomId:self->room.roomId]
+            || [self->room.mxSession isPeekingInRoomWithRoomId:self->room.roomId])
         {
             [self handlePaginationResponse:paginatedResponse direction:direction];
         }

MatrixSDK/MXSession.h

@@ -1105,6 +1105,24 @@ typedef void (^MXOnBackgroundSyncFail)(NSError *error);
  */
 - (void)stopPeeking:(MXPeekingRoom*)peekingRoom;
 
+/**
+ Check if there is a peeking in progress in a room.
+
+ @param roomId The id of the room.
+
+ @return YES if there is.
+ */
+- (BOOL)isPeekingInRoomWithRoomId:(NSString*)roomId;
+
+/**
+ Get the `MXPeekingRoom` object to a room if any.
+
+ @param roomId The id of the room.
+
+ @return the MXPeekingRoom instance.
+ */
+- (MXPeekingRoom *)peekingRoomWithRoomId:(NSString*)roomId;
+
 
 #pragma mark - Matrix users
 /**

MatrixSDK/MXSession.m

@@ -2918,6 +2918,24 @@ - (void)stopPeeking:(MXPeekingRoom*)peekingRoom
     [peekingRoom close];
 }
 
+- (BOOL)isPeekingInRoomWithRoomId:(NSString *)roomId
+{
+   return ([self peekingRoomWithRoomId:roomId] != nil);
+}
+
+- (MXPeekingRoom *)peekingRoomWithRoomId:(NSString *)roomId
+{
+    for (MXPeekingRoom *peekingRoom in peekingRooms)
+    {
+        if ([peekingRoom.roomId isEqualToString:roomId])
+        {
+            return peekingRoom;
+        }
+    }
+    return nil;
+}
+
+
 #pragma mark - Matrix users
 
 - (MXUser *)userWithUserId:(NSString *)userId