Merge "[Bouncer] Change message to shared flow." into tm-qpr-dev am: 634848eb1e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20413416

Change-Id: Ifdcd2270e90b7b1625119e68e01c9d9e3a68f3e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

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

@@ -23,7 +23,10 @@ import com.android.systemui.keyguard.shared.model.BouncerShowMessageModel
 import com.android.systemui.keyguard.shared.model.KeyguardBouncerModel
 import com.android.systemui.statusbar.phone.KeyguardBouncer
 import javax.inject.Inject
+import kotlinx.coroutines.channels.BufferOverflow
+import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.asStateFlow
 
 /** Encapsulates app state for the lock screen primary and alternate bouncer. */
@@ -68,8 +71,12 @@ constructor(
     private val _keyguardAuthenticated = MutableStateFlow<Boolean?>(null)
     /** Determines if user is already unlocked */
     val keyguardAuthenticated = _keyguardAuthenticated.asStateFlow()
-    private val _showMessage = MutableStateFlow<BouncerShowMessageModel?>(null)
-    val showMessage = _showMessage.asStateFlow()
+    private val _showMessage =
+        MutableSharedFlow<BouncerShowMessageModel?>(
+            replay = 1,
+            onBufferOverflow = BufferOverflow.DROP_OLDEST
+        )
+    val showMessage = _showMessage.asSharedFlow()
     private val _resourceUpdateRequests = MutableStateFlow(false)
     val resourceUpdateRequests = _resourceUpdateRequests.asStateFlow()
     val bouncerPromptReason: Int
@@ -118,7 +125,7 @@ constructor(
     }
 
     fun setShowMessage(bouncerShowMessageModel: BouncerShowMessageModel?) {
-        _showMessage.value = bouncerShowMessageModel
+        _showMessage.tryEmit(bouncerShowMessageModel)
     }
 
     fun setKeyguardAuthenticated(keyguardAuthenticated: Boolean?) {

packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/PrimaryBouncerInteractor.kt

@@ -117,7 +117,6 @@ constructor(
     @JvmOverloads
     fun show(isScrimmed: Boolean) {
         // Reset some states as we show the bouncer.
-        repository.setShowMessage(null)
         repository.setOnScreenTurnedOff(false)
         repository.setKeyguardAuthenticated(null)
         repository.setPrimaryHide(false)

packages/SystemUI/tests/src/com/android/systemui/keyguard/domain/interactor/PrimaryBouncerInteractorTest.kt

@@ -93,7 +93,6 @@ class PrimaryBouncerInteractorTest : SysuiTestCase() {
     @Test
     fun testShow_isScrimmed() {
         mPrimaryBouncerInteractor.show(true)
-        verify(repository).setShowMessage(null)
         verify(repository).setOnScreenTurnedOff(false)
         verify(repository).setKeyguardAuthenticated(null)
         verify(repository).setPrimaryHide(false)