Mark HidenViews and Views with Hidden Superviews as "UnExposedToAssis…

…tiveTech" (#14)
banksalad · Apr 15, 2022 · 2337da5 · 2337da5
1 parent de68c97
commit 2337da5
Show file tree

Hide file tree

Showing 2 changed files with 55 additions and 0 deletions.
diff --git a/Sources/AXSnapshot/UIResponder+Extension.swift b/Sources/AXSnapshot/UIResponder+Extension.swift
@@ -9,6 +9,7 @@ import Foundation
 import UIKit
 
 extension UIResponder {
+    @objc
     var isExposedToAssistiveTech: Bool {
         if shouldForceExposeToAssistiveTech || isAccessibilityElement {
             if allItemsInResponderChain.contains(where: { $0.isExposedToAssistiveTech }) == true {
@@ -21,6 +22,12 @@ extension UIResponder {
         }
     }
 
+    private var hasBlockingElementInResponderChain: Bool {
+        allItemsInResponderChain.contains(where: { item in
+            item.isExposedToAssistiveTech || (item as? UIView)?.isHidden == true
+        })
+    }
+
     /// A boolean value indicates that the elment is exposed to AssistiveTechnology
     /// even if `isAccessibilityElement` is false
     ///
@@ -58,3 +65,15 @@ extension UIResponder {
         return chain
     }
 }
+
+extension UIView {
+    @objc override var isExposedToAssistiveTech: Bool {
+        if isHidden {
+            return false
+        } else if allItemsInResponderChain.compactMap({ $0 as? UIView }).contains(where: { $0.isHidden }) {
+            return false
+        } else {
+            return super.isExposedToAssistiveTech
+        }
+    }
+}
diff --git a/Tests/AXSnapshotTests/AXSnapshotTests.swift b/Tests/AXSnapshotTests/AXSnapshotTests.swift
@@ -84,6 +84,42 @@ final class AccessibilityDescriptionSnapshotTests: XCTestCase {
         )
     }
 
+    func testHiddenViews() throws {
+        let parentStackView = UIStackView()
+        let childStackView = UIStackView()
+
+        let label = UILabel()
+        label.text = "MyLabel"
+
+        let button = UIButton()
+        button.setTitle("MyButton", for: .normal)
+        // Hidden Button shouldn't be exposed to axSnapshot
+        button.isHidden = true
+
+        let firstListItem = ListItemView()
+        firstListItem.leftText = "FirstListItem"
+        let secondListItem = ListItemView()
+        secondListItem.leftText = "SecondListItem"
+
+        childStackView.addArrangedSubview(firstListItem)
+        childStackView.addArrangedSubview(secondListItem)
+        // all subviews of childStackview shouldn't be exposed to axSnapshot
+        childStackView.isHidden = true
+
+        parentStackView.addArrangedSubview(label)
+        parentStackView.addArrangedSubview(button)
+        parentStackView.addArrangedSubview(childStackView)
+
+        XCTAssert(
+            parentStackView.axSnapshot() == """
+            ------------------------------------------------------------
+            MyLabel
+            ------------------------------------------------------------
+            """,
+            "Hidden Views and Views with hidden superViews are not exposed to AssistiveTechnology"
+        )
+    }
+
     func testStandardUIKitControls() throws {
         // Given
         let containerView = UIView()