From e11ee153508cdf24bd1346fee7b467d5ca41da52 Mon Sep 17 00:00:00 2001
From: Austin Delgado <austindelgado@google.com>
Date: Wed, 12 Jul 2023 14:38:33 -0700
Subject: [PATCH] Update hint action for canceling face auth in BP

Fixes: 289019193
Test: Manual, verify expected string is spoken as hint when cancel auth
button is focused

Change-Id: I363d57f51e0e071f106a69c4265dcad04344a851
---
 packages/SystemUI/res/values/strings.xml       |  2 ++
 .../systemui/biometrics/AuthContainerView.java | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 070748cb92f85..6c01d6f8d2766 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -362,6 +362,8 @@
     <string name="biometric_dialog_tap_confirm_with_face_alt_3">Face recognized. Press the unlock icon to continue.</string>
     <!-- Talkback string when a biometric is authenticated [CHAR LIMIT=NONE] -->
     <string name="biometric_dialog_authenticated">Authenticated</string>
+    <!-- Talkback string when a canceling authentication [CHAR LIMIT=NONE] -->
+    <string name="biometric_dialog_cancel_authentication">Cancel Authentication</string>
 
     <!-- Button text shown on BiometricPrompt giving the user the option to use an alternate form of authentication (Pin) [CHAR LIMIT=30] -->
     <string name="biometric_dialog_use_pin">Use PIN</string>
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java b/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
index 7a2f2443dbd2c..76181094c4b31 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
@@ -58,6 +58,10 @@ import android.widget.ScrollView;
 import android.window.OnBackInvokedCallback;
 import android.window.OnBackInvokedDispatcher;
 
+import androidx.core.view.AccessibilityDelegateCompat;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
+
 import com.android.app.animation.Interpolators;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.jank.InteractionJankMonitor;
@@ -333,6 +337,20 @@ public class AuthContainerView extends LinearLayout
         addView(mFrameLayout);
         mBiometricScrollView = mFrameLayout.findViewById(R.id.biometric_scrollview);
         mBackgroundView = mFrameLayout.findViewById(R.id.background);
+        ViewCompat.setAccessibilityDelegate(mBackgroundView, new AccessibilityDelegateCompat() {
+            @Override
+            public void onInitializeAccessibilityNodeInfo(View host,
+                    AccessibilityNodeInfoCompat info) {
+                super.onInitializeAccessibilityNodeInfo(host, info);
+                info.addAction(
+                        new AccessibilityNodeInfoCompat.AccessibilityActionCompat(
+                                AccessibilityNodeInfoCompat.ACTION_CLICK,
+                                mContext.getString(R.string.biometric_dialog_cancel_authentication)
+                        )
+                );
+            }
+        });
+
         mPanelView = mFrameLayout.findViewById(R.id.panel);
         mPanelController = new AuthPanelController(mContext, mPanelView);
         mBackgroundExecutor = bgExecutor;