From db778b1d70b3ee74de8bfeedbad9aadd5d4280f4 Mon Sep 17 00:00:00 2001
From: Kyle Matthew Hedden <kyle.hedden@verizonwireless.com>
Date: Fri, 21 Aug 2020 12:58:42 -0400
Subject: [PATCH] prevent retain cycle on auto dismiss block.

---
 MVMCoreUI/TopAlert/MVMCoreUITopAlertExpandableView.m | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/MVMCoreUI/TopAlert/MVMCoreUITopAlertExpandableView.m b/MVMCoreUI/TopAlert/MVMCoreUITopAlertExpandableView.m
index 1581edc5..55841e3f 100644
--- a/MVMCoreUI/TopAlert/MVMCoreUITopAlertExpandableView.m
+++ b/MVMCoreUI/TopAlert/MVMCoreUITopAlertExpandableView.m
@@ -347,12 +347,13 @@
         }
         dispatch_time_t dispatchTime = dispatch_time(DISPATCH_TIME_NOW, dismissTime * NSEC_PER_SEC);
         dispatch_after(dispatchTime, dispatch_get_main_queue(), ^(void){
-            if (weakSelf && weakSelf.expanded && weakSelf.collapseAutomaticallyAfterExpanded) {
+            typeof(self) strongSelf = weakSelf;
+            if (strongSelf && strongSelf.expanded && strongSelf.collapseAutomaticallyAfterExpanded) {
                 // If accessibility focused, delay collapse.
-                if ([MVMCoreUIUtility viewContainsAccessiblityFocus:self]) {
-                    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(accessibilityFocusChanged:) name:UIAccessibilityElementFocusedNotification object:nil];
+                if ([MVMCoreUIUtility viewContainsAccessiblityFocus:strongSelf]) {
+                    [[NSNotificationCenter defaultCenter] addObserver:strongSelf selector:@selector(accessibilityFocusChanged:) name:UIAccessibilityElementFocusedNotification object:nil];
                 } else {
-                    [weakSelf collapse];
+                    [strongSelf collapse];
                 }
             }
         });