Core Apps » ChatSecure:Android

    __block NSString *threadOwnerYapKey = nil;

    NSArray <UIViewController *>*viewControllers = [self.splitViewCoordinator.splitViewController viewControllers];

    [viewControllers enumerateObjectsUsingBlock:^(UIViewController * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {

        NSArray <UIViewController *>*result = nil;

        if ([obj isKindOfClass:[UINavigationController class] ]) {

            result = [((UINavigationController *)obj) otr_baseViewContorllers];

        } else {

            result = @[obj];

        }

        [result enumerateObjectsUsingBlock:^(UIViewController * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {

            if([obj isKindOfClass:[OTRMessagesViewController class]] && [obj otr_isVisible])

            {

                OTRMessagesViewController *messagesViewController = (OTRMessagesViewController *)obj;

                threadOwnerYapKey = messagesViewController.threadKey;

                *stop = YES;

            }

        }];

        if (threadOwnerYapKey) {

            *stop = YES;

        }

    }];