Repeated calls to cancel should cancel any previously scheduled cancellation timeout jobs

Fixes: 291161749
Test: atest DeviceEntryFaceAuthRepositoryTest
Change-Id: I128b0cd68b29dfa9428df938f8dd03b336cd9c48

packages/SystemUI/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepository.kt

@@ -574,6 +574,7 @@ constructor(
         if (authCancellationSignal == null) return
 
         authCancellationSignal?.cancel()
+        cancelNotReceivedHandlerJob?.cancel()
         cancelNotReceivedHandlerJob =
             applicationScope.launch {
                 delay(DEFAULT_CANCEL_SIGNAL_TIMEOUT)
@@ -583,6 +584,7 @@ constructor(
                     cancellationInProgress,
                     faceAuthRequestedWhileCancellation
                 )
+                _authenticationStatus.value = ErrorFaceAuthenticationStatus.cancelNotReceivedError()
                 onFaceAuthRequestCompleted()
             }
         cancellationInProgress = true

packages/SystemUI/src/com/android/systemui/keyguard/shared/model/FaceAuthenticationModels.kt

@@ -63,6 +63,14 @@ data class ErrorFaceAuthenticationStatus(
     fun isHardwareError() =
         msgId == FaceManager.FACE_ERROR_HW_UNAVAILABLE ||
             msgId == FaceManager.FACE_ERROR_UNABLE_TO_PROCESS
+
+    companion object {
+        /**
+         * Error message that is created when cancel confirmation is not received from FaceManager
+         * after we request for a cancellation of face auth.
+         */
+        fun cancelNotReceivedError() = ErrorFaceAuthenticationStatus(-1, "")
+    }
 }
 
 /** Face detection success message. */

packages/SystemUI/tests/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepositoryTest.kt

@@ -44,6 +44,7 @@ import com.android.systemui.bouncer.data.repository.FakeKeyguardBouncerRepositor
 import com.android.systemui.bouncer.domain.interactor.AlternateBouncerInteractor
 import com.android.systemui.coroutines.FlowValue
 import com.android.systemui.coroutines.collectLastValue
+import com.android.systemui.coroutines.collectValues
 import com.android.systemui.dump.DumpManager
 import com.android.systemui.dump.logcatLogBuffer
 import com.android.systemui.flags.FakeFeatureFlags
@@ -450,6 +451,29 @@ class DeviceEntryFaceAuthRepositoryTest : SysuiTestCase() {
             faceAuthenticateIsCalled()
         }
 
+    @Test
+    fun multipleCancelCallsShouldNotCauseMultipleCancellationStatusBeingEmitted() =
+        testScope.runTest {
+            initCollectors()
+            allPreconditionsToRunFaceAuthAreTrue()
+            val emittedValues by collectValues(underTest.authenticationStatus)
+
+            underTest.authenticate(FACE_AUTH_TRIGGERED_SWIPE_UP_ON_BOUNCER)
+            underTest.cancel()
+            advanceTimeBy(100)
+            underTest.cancel()
+
+            advanceTimeBy(DeviceEntryFaceAuthRepositoryImpl.DEFAULT_CANCEL_SIGNAL_TIMEOUT)
+            runCurrent()
+            advanceTimeBy(DeviceEntryFaceAuthRepositoryImpl.DEFAULT_CANCEL_SIGNAL_TIMEOUT)
+            runCurrent()
+
+            assertThat(emittedValues.size).isEqualTo(1)
+            assertThat(emittedValues.first())
+                .isInstanceOf(ErrorFaceAuthenticationStatus::class.java)
+            assertThat((emittedValues.first() as ErrorFaceAuthenticationStatus).msgId).isEqualTo(-1)
+        }
+
     @Test
     fun faceHelpMessagesAreIgnoredBasedOnConfig() =
         testScope.runTest {