Always listen for FP on alternateBouncer showing

Fixes: 268183230
Test: manually test by launching camera over a secure
lock screen with side FP enrolled. try to access
the (locked) camera roll, see alternate FP bouncer and
successfully authenticate from the alternate bouncer
Test: atest KeyguardUpdateMonitorTest

Change-Id: Ic59067f5cdada0ff99b1e8e5e78539ee9ec04e34

packages/SystemUI/src/com/android/keyguard/KeyguardFingerprintListenModel.kt

@@ -27,6 +27,7 @@ data class KeyguardFingerprintListenModel(
     override var userId: Int = 0,
     override var listening: Boolean = false,
     // keepSorted
+    var alternateBouncerShowing: Boolean = false,
     var biometricEnabledForUser: Boolean = false,
     var bouncerIsOrWillShow: Boolean = false,
     var canSkipBouncer: Boolean = false,
@@ -57,6 +58,7 @@ data class KeyguardFingerprintListenModel(
             userId.toString(),
             listening.toString(),
             // keep sorted
+            alternateBouncerShowing.toString(),
             biometricEnabledForUser.toString(),
             bouncerIsOrWillShow.toString(),
             canSkipBouncer.toString(),
@@ -96,6 +98,7 @@ data class KeyguardFingerprintListenModel(
                 userId = model.userId
                 listening = model.listening
                 // keep sorted
+                alternateBouncerShowing = model.alternateBouncerShowing
                 biometricEnabledForUser = model.biometricEnabledForUser
                 bouncerIsOrWillShow = model.bouncerIsOrWillShow
                 canSkipBouncer = model.canSkipBouncer
@@ -141,6 +144,7 @@ data class KeyguardFingerprintListenModel(
                 "userId",
                 "listening",
                 // keep sorted
+                "alternateBouncerShowing",
                 "biometricAllowedForUser",
                 "bouncerIsOrWillShow",
                 "canSkipBouncer",

packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java

@@ -2632,6 +2632,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
                     ActiveUnlockConfig.ActiveUnlockRequestOrigin.UNLOCK_INTENT,
                     "alternateBouncer");
         }
+        updateFingerprintListeningState(BIOMETRIC_ACTION_UPDATE);
     }
 
     private boolean shouldTriggerActiveUnlock() {
@@ -2716,7 +2717,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
                         || shouldListenForFingerprintAssistant
                         || (mKeyguardOccluded && mIsDreaming)
                         || (mKeyguardOccluded && userDoesNotHaveTrust
-                            && (mOccludingAppRequestingFp || isUdfps));
+                            && (mOccludingAppRequestingFp || isUdfps || mAlternateBouncerShowing));
 
         // Only listen if this KeyguardUpdateMonitor belongs to the primary user. There is an
         // instance of KeyguardUpdateMonitor for each user but KeyguardUpdateMonitor is user-aware.
@@ -2757,6 +2758,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
                     System.currentTimeMillis(),
                     user,
                     shouldListen,
+                    mAlternateBouncerShowing,
                     biometricEnabledForUser,
                     mPrimaryBouncerIsOrWillBeShowing,
                     userCanSkipBouncer,

packages/SystemUI/tests/src/com/android/keyguard/KeyguardUpdateMonitorTest.java

@@ -899,6 +899,25 @@ public class KeyguardUpdateMonitorTest extends SysuiTestCase {
                 anyBoolean());
     }
 
+    @Test
+    public void noFpListeningWhenKeyguardIsOccluded_unlessAlternateBouncerShowing() {
+        // GIVEN device is awake but occluded
+        mKeyguardUpdateMonitor.dispatchStartedWakingUp(PowerManager.WAKE_REASON_POWER_BUTTON);
+        mKeyguardUpdateMonitor.setKeyguardShowing(false, true);
+
+        // THEN fingerprint shouldn't listen
+        assertThat(mKeyguardUpdateMonitor.shouldListenForFingerprint(false)).isFalse();
+        verify(mFingerprintManager, never()).authenticate(any(), any(), any(), any(), anyInt(),
+                anyInt(), anyInt());
+
+        // WHEN alternate bouncer is shown
+        mKeyguardUpdateMonitor.setAlternateBouncerShowing(true);
+
+        // THEN make sure FP listening begins
+        verify(mFingerprintManager).authenticate(any(), any(), any(), any(), anyInt(), anyInt(),
+                anyInt());
+    }
+
     @Test
     public void testTriesToAuthenticate_whenTrustOnAgentKeyguard_ifBypass() {
         mKeyguardUpdateMonitor.dispatchStartedWakingUp(PowerManager.WAKE_REASON_POWER_BUTTON);