WebimRequest has weak reference to sendFileCompletionHandler. MessageStreamImpl.send(file: filename: mimeType: completionHandler:) creates wrapper around clients completion handler (SendFileCompletionHandlerWrapper) and doesn't retain it. So clients completion handler doesn't work when it used with that method.
webim
commented
6 years ago
WebimRequesthas weak reference tosendFileCompletionHandler.MessageStreamImpl.send(file: filename: mimeType: completionHandler:)creates wrapper around clients completion handler (SendFileCompletionHandlerWrapper) and doesn't retain it. So clients completion handler doesn't work when it used with that method.