Merge branch 'bugfix/CXTDT-82220' into 'develop'

prevent expandable alert collapse when accessibilty focused. top alert notification callout fix.

See merge request BPHV_MIPS/mvm_core_ui!555

MVMCoreUI/TopAlert/MVMCoreUITopAlertExpandableView.m

@@ -61,6 +61,18 @@
     }
 }
 
+- (void)amendAccesibilityLabel {
+    NSString *amendment = [MVMCoreUIUtility hardcodedStringWithKey:@"top_alert_notification"];
+    NSString *accessibilityLabel = self.buttonView.label.accessibilityLabel;
+    if (!accessibilityLabel) {
+        // The accessibility label is nil when in non-voice over mode. Therefore assign the label text for the voice over is turned on mid-session (i.e. testers 🤦).
+        accessibilityLabel = self.buttonView.label.text;
+    }
+    if (accessibilityLabel && ![accessibilityLabel hasPrefix:amendment]) {
+        self.buttonView.label.accessibilityLabel = [NSString stringWithFormat:@"%@ - %@", amendment, accessibilityLabel];
+    }
+}
+
 #pragma mark - Setup View
 
 - (void)updateView:(CGFloat)size {
@@ -74,6 +86,7 @@
         self.translatesAutoresizingMaskIntoConstraints = NO;
         self.clipsToBounds = YES;
         self.expanded = NO;
+        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(accessibilityFocusChanged:) name:UIAccessibilityElementFocusedNotification object:nil];
     }
     return self;
 }
@@ -167,6 +180,8 @@
     [self insertSubview:topAlertWithButton belowSubview:self.shortView];
     self.buttonView = topAlertWithButton;
     
+    [self amendAccesibilityLabel];
+    
     self.topConstraint = [NSLayoutConstraint constraintWithItem:topAlertWithButton attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.shortView attribute:NSLayoutAttributeBottom multiplier:1 constant:0];
     [NSLayoutConstraint constraintPinSubview:topAlertWithButton pinTop:NO topConstant:0 pinBottom:YES bottomConstant:0 pinLeft:YES leftConstant:0 pinRight:YES rightConstant:0];
 }
@@ -207,6 +222,7 @@
     [MVMCoreDispatchUtility performBlockOnMainThread:^{
         [self setTopMessage:topMessage];
         [self.buttonView setupWithMessage:message subMessage:subMessage color:contentColor actionMap:actionMap additionalData:additionalData];
+        [self amendAccesibilityLabel];
     }];
 }
 
@@ -214,6 +230,7 @@
     [MVMCoreDispatchUtility performBlockOnMainThread:^{
         [self setTopMessage:topMessage];
         [self.buttonView setupWithMessage:message subMessage:subMessage color:contentColor buttonTitle:buttonTitle userActionHandler:userActionHandler];
+        [self amendAccesibilityLabel];
     }];
 }
 
@@ -304,7 +321,6 @@
                 //accessibility - added to make only top alert label and close button accessible. Posted notification when top alert is displayed
                 weakSelf.accessibilityElements = @[weakSelf.buttonView];
                 weakSelf.shortView.isAccessibilityElement = NO;
-                weakSelf.buttonView.label.accessibilityLabel = [NSString stringWithFormat:@"%@ - %@", [MVMCoreUIUtility hardcodedStringWithKey:@"top_alert_notification"],weakSelf.buttonView.label.accessibilityLabel];
                 
                 void(^completion)(void) = ^(void) {
                     UIAccessibilityPostNotification(UIAccessibilityScreenChangedNotification, weakSelf.buttonView.label);
@@ -346,7 +362,7 @@
         }
         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) {
+            if (weakSelf && weakSelf.expanded && weakSelf.collapseAutomaticallyAfterExpanded && ![self containsAccessiblityFocus]) {
                 [weakSelf collapse];
             }
         });
@@ -390,4 +406,21 @@
     }
 }
 
+- (BOOL)containsAccessiblityFocus {
+    if (!UIAccessibilityIsVoiceOverRunning()) {
+        return NO;
+    }
+    id focusedElement = UIAccessibilityFocusedElement(UIAccessibilityNotificationVoiceOverIdentifier);
+    if (![focusedElement isKindOfClass:[UIView class]]) {
+        return NO;
+    }
+    return [(UIView  *)focusedElement isDescendantOfView:self];
+}
+
+- (void)accessibilityFocusChanged:(NSNotification *)notification {
+    if (![self containsAccessiblityFocus]) {
+        [self collapse];
+    }
+}
+
 @end