From 2510db98e0cec32058210d00d4bd28fdd0d021a7 Mon Sep 17 00:00:00 2001
From: "Pfeil, Scott Robert" <scott.pfeil3@verizonwireless.com>
Date: Fri, 25 Jan 2019 17:38:06 -0500
Subject: [PATCH] default presentation view controller. Re-use function

---
 .../MVMCore/PresentationHandling/MVMCoreNavigationHandler.m  | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationHandler.m b/MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationHandler.m
index b6aa0aa..0feddeb 100644
--- a/MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationHandler.m
+++ b/MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationHandler.m
@@ -276,12 +276,13 @@
 
 - (void)presentViewController:(nonnull UIViewController *)viewController animated:(BOOL)animated delegate:(nullable NSObject<MVMCorePresentationDelegateProtocol>*)delegate completionHandler:(nullable void (^)(void))completionBlock {
     
-    if (!self.viewControllerToPresentOn) {
+    UIViewController *controllerToPresentOn = self.viewControllerToPresentOn ?: [UIApplication sharedApplication].keyWindow.rootViewController;
+    if (!controllerToPresentOn) {
         // Log if we are attempting to add an alert to nothing.
         MVMCoreErrorObject *error = [[MVMCoreErrorObject alloc] initWithTitle:nil message:@"The viewControllerToPresent on property is nil and an attempt was made to present." code:ErrorCodeNoViewControllerToPresentOn domain:ErrorDomainNative location:[NSString stringWithFormat:@"ViewController:%@|Delegate:%@",viewController.description,delegate]];
         [MVMCoreLoggingHandler addErrorToLog:error];
     } else {
-        MVMCorePresentViewControllerOperation *operation = [[MVMCorePresentViewControllerOperation alloc] initWithPresentingViewController:self.viewControllerToPresentOn presentedViewController:viewController animated:animated];
+        MVMCorePresentViewControllerOperation *operation = [[MVMCorePresentViewControllerOperation alloc] initWithPresentingViewController:controllerToPresentOn presentedViewController:viewController animated:animated];
         operation.delegate = delegate;
         operation.completionBlock = completionBlock;
         [self.presentationQueue addOperation:operation];