Emit InitialSyncDone notification to allow client to perform auto-a…

…ctivation of cross-signing as in Android client

Signed-off-by: Nicolas Buquet <[email protected]>

MatrixSDK/MXSession.h

@@ -302,6 +302,15 @@ FOUNDATION_EXPORT NSString *const kMXSessionDidUpdateGroupUsersNotification;
  */
 FOUNDATION_EXPORT NSString *const kMXSessionDidUpdatePublicisedGroupsForUsersNotification;
 
+/**
+ Posted when MXSession has finished its initial sync.
+ No userInfo passed.
+ 
+`kMXSessionInitialSyncDone` notification will allow client to perform auto-activation
+of cross-signing as in Android client (see `observeInitialSync` calling `maybeVerifyOrBootstrapCrossSigning`)
+ */
+FOUNDATION_EXPORT NSString *const kMXSessionInitialSyncDone;
+
 #pragma mark - Notifications keys
 /**
  The key in notification userInfo dictionary representating the roomId.

MatrixSDK/MXSession.m

@@ -71,6 +71,7 @@
 NSString *const kMXSessionDidUpdateGroupRoomsNotification = @"kMXSessionDidUpdateGroupRoomsNotification";
 NSString *const kMXSessionDidUpdateGroupUsersNotification = @"kMXSessionDidUpdateGroupUsersNotification";
 NSString *const kMXSessionDidUpdatePublicisedGroupsForUsersNotification = @"kMXSessionDidUpdatePublicisedGroupsForUsersNotification";
+NSString *const kMXSessionInitialSyncDone = @"kMXSessionInitialSyncDone";
 
 NSString *const kMXSessionNotificationRoomIdKey = @"roomId";
 NSString *const kMXSessionNotificationGroupKey = @"group";
@@ -1545,6 +1546,10 @@ - (void)serverSyncWithServerTimeout:(NSUInteger)serverTimeout
             MXCachedSyncResponse *response = [[MXCachedSyncResponse alloc] initWithSyncToken:nil
                                                                                 syncResponse:syncResponse];
             [self.initialSyncResponseCache addSyncResponseWithSyncResponse:response];
+
+            // Emit `InitialSyncDone` notification to allow client to perform auto-activation
+            // of cross-signing as in Android client (see `observeInitialSync` calling `maybeVerifyOrBootstrapCrossSigning`)
+            [NSNotificationCenter.defaultCenter postNotificationName:kMXSessionInitialSyncDone object:nil];
         }
 
         // By default, the next sync will be a long polling (with the default server timeout value)

changelog.d/intiial-sync-notification.change

@@ -0,0 +1,2 @@
+`kMXSessionInitialSyncDone` notification will allow client to perform auto-activation
+of cross-signing as in Android client