Merge "Announce Tuscany help/errors even when text suppressed" into sc-qpr1-dev am: a53bcc03eb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15613803

Change-Id: I519e1e57cd389f323c8fc8946cdef1f4531e5cc2

packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java

@@ -821,7 +821,7 @@ public class KeyguardIndicationController {
         }
     }
 
-    private void showTryFingerprintMsg() {
+    private void showTryFingerprintMsg(String a11yString) {
         if (mKeyguardUpdateMonitor.isUdfpsAvailable()) {
             // if udfps available, there will always be a tappable affordance to unlock
             // For example, the lock icon
@@ -833,6 +833,11 @@ public class KeyguardIndicationController {
         } else {
             showTransientIndication(R.string.keyguard_try_fingerprint);
         }
+
+        // Although we suppress face auth errors visually, we still announce them for a11y
+        if (!TextUtils.isEmpty(a11yString)) {
+            mLockScreenIndicationView.announceForAccessibility(a11yString);
+        }
     }
 
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
@@ -913,7 +918,7 @@ public class KeyguardIndicationController {
             } else if (mKeyguardUpdateMonitor.isScreenOn()) {
                 if (biometricSourceType == BiometricSourceType.FACE
                         && shouldSuppressFaceMsgAndShowTryFingerprintMsg()) {
-                    showTryFingerprintMsg();
+                    showTryFingerprintMsg(helpString);
                     return;
                 }
                 showTransientIndication(helpString, false /* isError */, showActionToUnlock);
@@ -933,7 +938,7 @@ public class KeyguardIndicationController {
                     && shouldSuppressFaceMsgAndShowTryFingerprintMsg()
                     && !mStatusBarKeyguardViewManager.isBouncerShowing()
                     && mKeyguardUpdateMonitor.isScreenOn()) {
-                showTryFingerprintMsg();
+                showTryFingerprintMsg(errString);
                 return;
             }
             if (msgId == FaceManager.FACE_ERROR_TIMEOUT) {
@@ -942,7 +947,7 @@ public class KeyguardIndicationController {
                 if (!mStatusBarKeyguardViewManager.isBouncerShowing()
                         && mKeyguardUpdateMonitor.isUdfpsEnrolled()
                         && mKeyguardUpdateMonitor.isFingerprintDetectionRunning()) {
-                    showTryFingerprintMsg();
+                    showTryFingerprintMsg(errString);
                 } else if (mStatusBarKeyguardViewManager.isShowingAlternateAuth()) {
                     mStatusBarKeyguardViewManager.showBouncerMessage(
                             mContext.getResources().getString(R.string.keyguard_unlock_press),

packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java

@@ -111,6 +111,7 @@ public class KeyguardIndicationControllerTest extends SysuiTestCase {
     private static final ComponentName DEVICE_OWNER_COMPONENT = new ComponentName("com.android.foo",
             "bar");
 
+    private String mKeyguardTryFingerprintMsg;
     private String mDisclosureWithOrganization;
     private String mDisclosureGeneric;
     private String mFinancedDisclosureWithOrganization;
@@ -182,6 +183,7 @@ public class KeyguardIndicationControllerTest extends SysuiTestCase {
         mContext.addMockSystemService(UserManager.class, mUserManager);
         mContext.addMockSystemService(Context.TRUST_SERVICE, mock(TrustManager.class));
         mContext.addMockSystemService(Context.FINGERPRINT_SERVICE, mock(FingerprintManager.class));
+        mKeyguardTryFingerprintMsg = mContext.getString(R.string.keyguard_try_fingerprint);
         mDisclosureWithOrganization = mContext.getString(R.string.do_disclosure_with_name,
                 ORGANIZATION_NAME);
         mDisclosureGeneric = mContext.getString(R.string.do_disclosure_generic);
@@ -677,6 +679,34 @@ public class KeyguardIndicationControllerTest extends SysuiTestCase {
         verifyTransientMessage(message);
     }
 
+    @Test
+    public void faceAuthMessageSuppressed() {
+        createController();
+        String faceHelpMsg = "Face auth help message";
+
+        // GIVEN state of showing message when keyguard screen is on
+        when(mKeyguardUpdateMonitor.isUnlockingWithBiometricAllowed(anyBoolean())).thenReturn(true);
+        when(mStatusBarKeyguardViewManager.isBouncerShowing()).thenReturn(false);
+        when(mKeyguardUpdateMonitor.isScreenOn()).thenReturn(true);
+
+        // GIVEN fingerprint is also running (not udfps)
+        when(mKeyguardUpdateMonitor.isFingerprintDetectionRunning()).thenReturn(true);
+        when(mKeyguardUpdateMonitor.isUdfpsAvailable()).thenReturn(false);
+
+        mController.setVisible(true);
+
+        // WHEN a face help message comes in
+        mController.getKeyguardCallback().onBiometricHelp(
+                KeyguardUpdateMonitor.BIOMETRIC_HELP_FACE_NOT_RECOGNIZED, faceHelpMsg,
+                BiometricSourceType.FACE);
+
+        // THEN "try fingerprint" message appears (and not the face help message)
+        verifyTransientMessage(mKeyguardTryFingerprintMsg);
+
+        // THEN the face help message is still announced for a11y
+        verify(mIndicationAreaBottom).announceForAccessibility(eq(faceHelpMsg));
+    }
+
     private void sendUpdateDisclosureBroadcast() {
         mBroadcastReceiver.onReceive(mContext, new Intent());
     }