From 159bf860e16e11035da8d975e103e5f59bbd323b Mon Sep 17 00:00:00 2001
From: Mobile DevX Robot <mobile-devx-github-bot@google.com>
Date: Thu, 4 Aug 2022 16:32:01 -0700
Subject: [PATCH] Internal Commit Uploaded

PiperOrigin-RevId: 465432740
---
 CommonLib/Additions/NSObject+GREYCommon.m | 47 +++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/CommonLib/Additions/NSObject+GREYCommon.m b/CommonLib/Additions/NSObject+GREYCommon.m
index ba2163ee6..c2fd2eb0f 100644
--- a/CommonLib/Additions/NSObject+GREYCommon.m
+++ b/CommonLib/Additions/NSObject+GREYCommon.m
@@ -69,6 +69,12 @@ - (NSString *)grey_description {
     [description appendFormat:@"; isAccessible=%@", self.isAccessibilityElement ? @"Y" : @"N"];
   }
 
+  // IsAccessibilityElement.
+  if ([self respondsToSelector:@selector(accessibilityViewIsModal)]) {
+    [description
+        appendFormat:@"; accessibilityViewIsModal=%@", self.accessibilityViewIsModal ? @"Y" : @"N"];
+  }
+
   // AccessibilityIdentifier from UIAccessibilityIdentification.
   if ([self respondsToSelector:@selector(accessibilityIdentifier)]) {
     NSString *value = [self performSelector:@selector(accessibilityIdentifier)];
@@ -188,6 +194,27 @@ - (NSString *)grey_description {
   return description;
 }
 
+- (id)viewCoveringByViewIsModal {
+  if (![self respondsToSelector:@selector(superview)]) {
+    return nil;
+  }
+  id superview = [(id)self superview];
+  if (![superview respondsToSelector:@selector(subviews)]) {
+    return nil;
+  }
+  NSArray<id> *subviews = (NSArray<id> *)[(id)superview subviews];
+  for (id subview in subviews) {
+    if (subview == self || ![subview respondsToSelector:@selector(accessibilityViewIsModal)]) {
+      continue;
+    }
+    BOOL isModal = [(id)subview accessibilityViewIsModal];
+    if (isModal) {
+      return subview;
+    }
+  }
+  return [(id)superview viewCoveringByViewIsModal];
+}
+
 - (NSString *)grey_shortDescription {
   NSMutableString *description = [[NSMutableString alloc] init];
 
@@ -201,6 +228,26 @@ - (NSString *)grey_shortDescription {
     [description appendString:axIdentifierDescription];
   }
 
+  if ([self respondsToSelector:@selector(accessibilityViewIsModal)]) {
+    NSString *accessibilityViewIsModal =
+        (BOOL)[self performSelector:@selector(accessibilityViewIsModal)] ? @"Y" : @"N";
+    NSString *axViewIsModalDescription =
+        [self grey_formattedDescriptionOrEmptyStringForValue:accessibilityViewIsModal
+                                                  withPrefix:@"; AX.viewIsModal="];
+    [description appendString:axViewIsModalDescription];
+  }
+
+  id coveringView = [self viewCoveringByViewIsModal];
+  NSString *coveringViewDesc =
+      (coveringView == nil)
+          ? @"nil"
+          : [NSString
+                stringWithFormat:@"%@ %p", NSStringFromClass([coveringView class]), coveringView];
+  NSString *coveringViewDescription =
+      [self grey_formattedDescriptionOrEmptyStringForValue:coveringViewDesc
+                                                withPrefix:@"; AX.coveredBy="];
+  [description appendString:coveringViewDescription];
+
   if ([self respondsToSelector:@selector(accessibilityLabel)]) {
     NSString *axLabelDescription =
         [self grey_formattedDescriptionOrEmptyStringForValue:self.accessibilityLabel