Top alert queue fix

MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationHandler.m

@@ -16,6 +16,7 @@
 #import "MVMCoreRequestParameters.h"
 #import "MVMCoreErrorConstants.h"
 #import "MVMCoreLoggingHandler.h"
+#import "MVMCoreLoadingOverlayHandler.h"
 
 @interface MVMCoreNavigationHandler ()
 
@@ -90,6 +91,10 @@
 
 - (void)startNavigationWithNavigationObject:(MVMCoreNavigationObject *)navigationObject delegate:(nullable NSObject<MVMCorePresentationDelegateProtocol>*)delegate completionHandler:(nullable void (^)(void))completionBlock {
     
+    // In case it takes some time to happen.
+    [[MVMCoreLoadingOverlayHandler sharedLoadingOverlay] startLoading];
+    navigationObject.stopLoadingOverlay = YES;
+    
     MVMCoreNavigationOperation *navigationOperation = [[MVMCoreNavigationOperation alloc] initWithNavigationObject:navigationObject];
     navigationOperation.delegate = delegate;
     navigationOperation.completionBlock = completionBlock;

MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationObject.h

@@ -20,6 +20,7 @@
 @property (nonatomic) NavigationType navigationType;
 @property (nonatomic) BOOL animated;
 @property (nonatomic) BOOL tryToReplaceFirst;
+@property (nonatomic) BOOL stopLoadingOverlay;
 
 - (nullable instancetype)initWithViewController:(nullable UIViewController *)viewController navigationController:(nullable UINavigationController *)navigationController viewControllers:(nullable NSArray *)viewControllers animated:(BOOL)animated tryToReplaceFirst:(BOOL)tryToReplaceFirst navigationType:(NavigationType)navigationType;
 

MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationOperation.m

@@ -11,6 +11,7 @@
 #import "MVMCoreViewManagerProtocol.h"
 #import "MVMCoreViewControllerProtocol.h"
 #import "MVMCoreLoggingHandler.h"
+#import "MVMCoreLoadingOverlayHandler.h"
 
 @interface MVMCoreNavigationOperation ()
 
@@ -209,7 +210,10 @@
 }
 
 - (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated {
-    
+    if (self.navigationObject.stopLoadingOverlay) {
+        [[MVMCoreLoadingOverlayHandler sharedLoadingOverlay] stopLoading:YES];
+    }
+
     if (self.delegate && [self.delegate respondsToSelector:@selector(navigationController:willDisplayViewController:)]) {
         [self.delegate navigationController:navigationController willDisplayViewController:viewController];
     }

MVMCore/MVMCore/Utility/MVMCoreBlockOperation.m

@@ -22,7 +22,6 @@
     return operation;
 }
 
-
 - (void)main {
     
     // Always check for cancellation before launching the task.