Fade keyguard status bar during transition to and from Glanceable Hub.

This change ties the keyguard status bar alpha to the transition
progress to and from Glanceable Hub.

Fixes: 374017195
Test: atest KeyguardStatusBarViewControllerTest#animateToGlanceableHub_affectsAlpha
Test: atest KeyguardStatusBarViewControllerTest#animateToGlanceableHub_alphaResetOnCommunalNotShowing
Flag: EXEMPT bugfix
Change-Id: Ib24526c8d57bfc5e689a3450402cb7d28f64f109

8 files changed, 194 insertions, 123 deletions

diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/phone/KeyguardStatusBarViewControllerTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/phone/KeyguardStatusBarViewControllerTest.kt
index 627c0d0df657..b815c6ce0c51 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/phone/KeyguardStatusBarViewControllerTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/phone/KeyguardStatusBarViewControllerTest.kt
@@ -16,6 +16,7 @@
 package com.android.systemui.statusbar.phone
 
 import android.app.StatusBarManager
+import android.graphics.Insets
 import android.os.UserHandle
 import android.os.UserManager
 import android.platform.test.annotations.DisableFlags
@@ -23,6 +24,7 @@ import android.platform.test.annotations.EnableFlags
 import android.provider.Settings
 import android.testing.TestableLooper
 import android.testing.TestableLooper.RunWithLooper
+import android.testing.ViewUtils
 import android.view.LayoutInflater
 import android.view.View
 import androidx.test.ext.junit.runners.AndroidJUnit4
@@ -34,17 +36,21 @@ import com.android.keyguard.logging.KeyguardLogger
 import com.android.systemui.Flags
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.battery.BatteryMeterViewController
+import com.android.systemui.communal.data.repository.fakeCommunalSceneRepository
 import com.android.systemui.communal.domain.interactor.communalSceneInteractor
+import com.android.systemui.communal.shared.model.CommunalScenes
 import com.android.systemui.flags.DisableSceneContainer
 import com.android.systemui.flags.EnableSceneContainer
+import com.android.systemui.keyguard.ui.viewmodel.glanceableHubToLockscreenTransitionViewModel
+import com.android.systemui.keyguard.ui.viewmodel.lockscreenToGlanceableHubTransitionViewModel
 import com.android.systemui.kosmos.Kosmos
+import com.android.systemui.kosmos.testDispatcher
 import com.android.systemui.kosmos.testScope
-import com.android.systemui.plugins.statusbar.StatusBarStateController
+import com.android.systemui.plugins.statusbar.statusBarStateController
 import com.android.systemui.res.R
 import com.android.systemui.shade.ShadeViewStateProvider
 import com.android.systemui.statusbar.CommandQueue
 import com.android.systemui.statusbar.StatusBarState
-import com.android.systemui.statusbar.SysuiStatusBarStateController
 import com.android.systemui.statusbar.data.repository.StatusBarContentInsetsProviderStore
 import com.android.systemui.statusbar.events.SystemStatusAnimationScheduler
 import com.android.systemui.statusbar.phone.ui.StatusBarIconController
@@ -54,13 +60,16 @@ import com.android.systemui.statusbar.policy.ConfigurationController
 import com.android.systemui.statusbar.policy.KeyguardStateController
 import com.android.systemui.statusbar.policy.UserInfoController
 import com.android.systemui.statusbar.ui.viewmodel.keyguardStatusBarViewModel
+import com.android.systemui.statusbar.ui.viewmodel.statusBarUserChipViewModel
 import com.android.systemui.testKosmos
-import com.android.systemui.user.ui.viewmodel.StatusBarUserChipViewModel
+import com.android.systemui.user.data.repository.fakeUserRepository
 import com.android.systemui.util.concurrency.FakeExecutor
 import com.android.systemui.util.settings.SecureSettings
 import com.android.systemui.util.time.FakeSystemClock
 import com.google.common.truth.Truth
 import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.runCurrent
+import kotlinx.coroutines.test.runTest
 import org.junit.Assert
 import org.junit.Before
 import org.junit.Test
@@ -70,12 +79,11 @@ import org.mockito.ArgumentMatchers
 import org.mockito.Captor
 import org.mockito.Mock
 import org.mockito.Mockito
-import org.mockito.Mockito.`when`
 import org.mockito.MockitoAnnotations
 
 @SmallTest
 @RunWith(AndroidJUnit4::class)
-@RunWithLooper
+@RunWithLooper(setAsMainLooper = true)
 class KeyguardStatusBarViewControllerTest : SysuiTestCase() {
     private lateinit var kosmos: Kosmos
     private lateinit var testScope: TestScope
@@ -106,17 +114,11 @@ class KeyguardStatusBarViewControllerTest : SysuiTestCase() {
 
     @Mock private lateinit var biometricUnlockController: BiometricUnlockController
 
-    @Mock private lateinit var statusBarStateController: SysuiStatusBarStateController
-
-    @Mock private lateinit var statusBarContentInsetsProvider: StatusBarContentInsetsProvider
-
     @Mock
     private lateinit var statusBarContentInsetsProviderStore: StatusBarContentInsetsProviderStore
 
     @Mock private lateinit var userManager: UserManager
 
-    @Mock private lateinit var statusBarUserChipViewModel: StatusBarUserChipViewModel
-
     @Captor
     private lateinit var configurationListenerCaptor:
         ArgumentCaptor<ConfigurationController.ConfigurationListener>
@@ -139,21 +141,29 @@ class KeyguardStatusBarViewControllerTest : SysuiTestCase() {
     private val fakeExecutor = FakeExecutor(FakeSystemClock())
     private val backgroundExecutor = FakeExecutor(FakeSystemClock())
 
+    private lateinit var looper: TestableLooper
+
     @Before
     @Throws(Exception::class)
     fun setup() {
+        looper = TestableLooper.get(this)
         kosmos = testKosmos()
         testScope = kosmos.testScope
         shadeViewStateProvider = TestShadeViewStateProvider()
 
+        Mockito.`when`(
+                kosmos.statusBarContentInsetsProvider.getStatusBarContentInsetsForCurrentRotation()
+            )
+            .thenReturn(Insets.of(0, 0, 0, 0))
+
         MockitoAnnotations.initMocks(this)
 
         Mockito.`when`(iconManagerFactory.create(ArgumentMatchers.any(), ArgumentMatchers.any()))
             .thenReturn(iconManager)
         Mockito.`when`(statusBarContentInsetsProviderStore.defaultDisplay)
-            .thenReturn(statusBarContentInsetsProvider)
+            .thenReturn(kosmos.statusBarContentInsetsProvider)
         allowTestableLooperAsMainThread()
-        TestableLooper.get(this).runWithLooper {
+        looper.runWithLooper {
             keyguardStatusBarView =
                 Mockito.spy(
                     LayoutInflater.from(mContext).inflate(R.layout.keyguard_status_bar, null)
@@ -167,6 +177,7 @@ class KeyguardStatusBarViewControllerTest : SysuiTestCase() {
 
     private fun createController(): KeyguardStatusBarViewController {
         return KeyguardStatusBarViewController(
+            kosmos.testDispatcher,
             keyguardStatusBarView,
             carrierTextController,
             configurationController,
@@ -182,10 +193,10 @@ class KeyguardStatusBarViewControllerTest : SysuiTestCase() {
             keyguardUpdateMonitor,
             kosmos.keyguardStatusBarViewModel,
             biometricUnlockController,
-            statusBarStateController,
+            kosmos.statusBarStateController,
             statusBarContentInsetsProviderStore,
             userManager,
-            statusBarUserChipViewModel,
+            kosmos.statusBarUserChipViewModel,
             secureSettings,
             commandQueue,
             fakeExecutor,
@@ -193,6 +204,8 @@ class KeyguardStatusBarViewControllerTest : SysuiTestCase() {
             logger,
             statusOverlayHoverListenerFactory,
             kosmos.communalSceneInteractor,
+            kosmos.glanceableHubToLockscreenTransitionViewModel,
+            kosmos.lockscreenToGlanceableHubTransitionViewModel,
         )
     }
 
@@ -682,21 +695,22 @@ class KeyguardStatusBarViewControllerTest : SysuiTestCase() {
     }
 
     @Test
-    fun testNewUserSwitcherDisablesAvatar_newUiOn() {
-        // GIVEN the status bar user switcher chip is enabled
-        Mockito.`when`(statusBarUserChipViewModel.chipEnabled).thenReturn(true)
+    fun testNewUserSwitcherDisablesAvatar_newUiOn() =
+        testScope.runTest {
+            // GIVEN the status bar user switcher chip is enabled
+            kosmos.fakeUserRepository.isStatusBarUserChipEnabled = true
 
-        // WHEN the controller is created
-        controller = createController()
+            // WHEN the controller is created
+            controller = createController()
 
-        // THEN keyguard status bar view avatar is disabled
-        Truth.assertThat(keyguardStatusBarView.isKeyguardUserAvatarEnabled).isFalse()
-    }
+            // THEN keyguard status bar view avatar is disabled
+            Truth.assertThat(keyguardStatusBarView.isKeyguardUserAvatarEnabled).isFalse()
+        }
 
     @Test
     fun testNewUserSwitcherDisablesAvatar_newUiOff() {
         // GIVEN the status bar user switcher chip is disabled
-        Mockito.`when`(statusBarUserChipViewModel.chipEnabled).thenReturn(false)
+        kosmos.fakeUserRepository.isStatusBarUserChipEnabled = false
 
         // WHEN the controller is created
         controller = createController()
@@ -752,12 +766,7 @@ class KeyguardStatusBarViewControllerTest : SysuiTestCase() {
     }
 
     private fun updateStatusBarState(state: Int) {
-        val statusBarStateListenerCaptor =
-            ArgumentCaptor.forClass(StatusBarStateController.StateListener::class.java)
-        Mockito.verify(statusBarStateController).addCallback(statusBarStateListenerCaptor.capture())
-        val callback = statusBarStateListenerCaptor.value
-
-        callback.onStateChanged(state)
+        kosmos.statusBarStateController.setState(state)
     }
 
     @Test
@@ -774,6 +783,36 @@ class KeyguardStatusBarViewControllerTest : SysuiTestCase() {
         Truth.assertThat(keyguardStatusBarView.visibility).isEqualTo(View.INVISIBLE)
     }
 
+    @Test
+    fun animateToGlanceableHub_affectsAlpha() =
+        testScope.runTest {
+            controller.init()
+            val transitionAlphaAmount = .5f
+            ViewUtils.attachView(keyguardStatusBarView)
+            looper.processAllMessages()
+            updateStateToKeyguard()
+            kosmos.fakeCommunalSceneRepository.snapToScene(CommunalScenes.Communal)
+            runCurrent()
+            controller.updateCommunalAlphaTransition(transitionAlphaAmount)
+            Truth.assertThat(keyguardStatusBarView.getAlpha()).isEqualTo(transitionAlphaAmount)
+        }
+
+    @Test
+    fun animateToGlanceableHub_alphaResetOnCommunalNotShowing() =
+        testScope.runTest {
+            controller.init()
+            val transitionAlphaAmount = .5f
+            ViewUtils.attachView(keyguardStatusBarView)
+            looper.processAllMessages()
+            updateStateToKeyguard()
+            kosmos.fakeCommunalSceneRepository.snapToScene(CommunalScenes.Communal)
+            runCurrent()
+            controller.updateCommunalAlphaTransition(transitionAlphaAmount)
+            kosmos.fakeCommunalSceneRepository.snapToScene(CommunalScenes.Blank)
+            runCurrent()
+            Truth.assertThat(keyguardStatusBarView.getAlpha()).isNotEqualTo(transitionAlphaAmount)
+        }
+
     /**
      * Calls [com.android.keyguard.KeyguardUpdateMonitorCallback.onFinishedGoingToSleep] to ensure
      * values are updated properly.
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/GlanceableHubToLockscreenTransitionViewModel.kt b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/GlanceableHubToLockscreenTransitionViewModel.kt
index 67b009e50ce0..7f3ef61d02c0 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/GlanceableHubToLockscreenTransitionViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/GlanceableHubToLockscreenTransitionViewModel.kt
@@ -54,9 +54,7 @@ constructor(
                 duration = TO_LOCKSCREEN_DURATION,
                 edge = Edge.create(from = Scenes.Communal, to = LOCKSCREEN),
             )
-            .setupWithoutSceneContainer(
-                edge = Edge.create(from = GLANCEABLE_HUB, to = LOCKSCREEN),
-            )
+            .setupWithoutSceneContainer(edge = Edge.create(from = GLANCEABLE_HUB, to = LOCKSCREEN))
 
     val keyguardAlpha: Flow<Float> =
         transitionAnimation.sharedFlow(
@@ -75,7 +73,7 @@ constructor(
         configurationInteractor
             .directionalDimensionPixelSize(
                 LayoutDirection.LTR,
-                R.dimen.hub_to_lockscreen_transition_lockscreen_translation_x
+                R.dimen.hub_to_lockscreen_transition_lockscreen_translation_x,
             )
             .flatMapLatest { translatePx: Int ->
                 transitionAnimation.sharedFlowWithState(
@@ -87,7 +85,7 @@ constructor(
                     // is cancelled.
                     onFinish = { 0f },
                     onCancel = { 0f },
-                    name = "GLANCEABLE_HUB->LOCKSCREEN: keyguardTranslationX"
+                    name = "GLANCEABLE_HUB->LOCKSCREEN: keyguardTranslationX",
                 )
             }
 
@@ -95,6 +93,8 @@ constructor(
 
     val shortcutsAlpha: Flow<Float> = keyguardAlpha
 
+    val statusBarAlpha: Flow<Float> = keyguardAlpha
+
     val notificationTranslationX: Flow<Float> =
         keyguardTranslationX.map { it.value }.filterNotNull()
 }
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenToGlanceableHubTransitionViewModel.kt b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenToGlanceableHubTransitionViewModel.kt
index 378374e72c8b..dd8ff8c4a052 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenToGlanceableHubTransitionViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenToGlanceableHubTransitionViewModel.kt
@@ -54,9 +54,7 @@ constructor(
                 duration = FromLockscreenTransitionInteractor.TO_GLANCEABLE_HUB_DURATION,
                 edge = Edge.create(from = LOCKSCREEN, to = Scenes.Communal),
             )
-            .setupWithoutSceneContainer(
-                edge = Edge.create(from = LOCKSCREEN, to = GLANCEABLE_HUB),
-            )
+            .setupWithoutSceneContainer(edge = Edge.create(from = LOCKSCREEN, to = GLANCEABLE_HUB))
 
     val keyguardAlpha: Flow<Float> =
         transitionAnimation.sharedFlow(
@@ -74,7 +72,7 @@ constructor(
         configurationInteractor
             .directionalDimensionPixelSize(
                 LayoutDirection.LTR,
-                R.dimen.lockscreen_to_hub_transition_lockscreen_translation_x
+                R.dimen.lockscreen_to_hub_transition_lockscreen_translation_x,
             )
             .flatMapLatest { translatePx: Int ->
                 transitionAnimation.sharedFlowWithState(
@@ -86,7 +84,7 @@ constructor(
                     onFinish = { 0f },
                     onCancel = { 0f },
                     interpolator = EMPHASIZED,
-                    name = "LOCKSCREEN->GLANCEABLE_HUB: keyguardTranslationX"
+                    name = "LOCKSCREEN->GLANCEABLE_HUB: keyguardTranslationX",
                 )
             }
 
@@ -94,6 +92,8 @@ constructor(
 
     val shortcutsAlpha: Flow<Float> = keyguardAlpha
 
+    val statusBarAlpha: Flow<Float> = keyguardAlpha
+
     val notificationTranslationX: Flow<Float> =
         keyguardTranslationX.map { it.value }.filterNotNull()
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarViewController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarViewController.java
index be2fb68ab88d..2433b78fc183 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarViewController.java
@@ -50,6 +50,8 @@ import com.android.systemui.battery.BatteryMeterViewController;
 import com.android.systemui.communal.domain.interactor.CommunalSceneInteractor;
 import com.android.systemui.dagger.qualifiers.Background;
 import com.android.systemui.dagger.qualifiers.Main;
+import com.android.systemui.keyguard.ui.viewmodel.GlanceableHubToLockscreenTransitionViewModel;
+import com.android.systemui.keyguard.ui.viewmodel.LockscreenToGlanceableHubTransitionViewModel;
 import com.android.systemui.log.core.LogLevel;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
 import com.android.systemui.res.R;
@@ -82,6 +84,8 @@ import com.android.systemui.util.settings.SecureSettings;
 
 import kotlin.Unit;
 
+import kotlinx.coroutines.CoroutineDispatcher;
+
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
@@ -108,6 +112,7 @@ public class KeyguardStatusBarViewController extends ViewController<KeyguardStat
             R.id.keyguard_hun_animator_end_tag,
             R.id.keyguard_hun_animator_start_tag);
 
+    private final CoroutineDispatcher mCoroutineDispatcher;
     private final CarrierTextController mCarrierTextController;
     private final ConfigurationController mConfigurationController;
     private final SystemStatusAnimationScheduler mAnimationScheduler;
@@ -133,6 +138,8 @@ public class KeyguardStatusBarViewController extends ViewController<KeyguardStat
     private final Object mLock = new Object();
     private final KeyguardLogger mLogger;
     private final CommunalSceneInteractor mCommunalSceneInteractor;
+    private final GlanceableHubToLockscreenTransitionViewModel mHubToLockscreenTransitionViewModel;
+    private final LockscreenToGlanceableHubTransitionViewModel mLockscreenToHubTransitionViewModel;
 
     private View mSystemIconsContainer;
     private final StatusOverlayHoverListenerFactory mStatusOverlayHoverListenerFactory;
@@ -249,9 +256,20 @@ public class KeyguardStatusBarViewController extends ViewController<KeyguardStat
     private boolean mCommunalShowing;
 
     private final Consumer<Boolean> mCommunalConsumer = (communalShowing) -> {
+        updateCommunalShowing(communalShowing);
+    };
+
+    @VisibleForTesting
+    void updateCommunalShowing(boolean communalShowing) {
         mCommunalShowing = communalShowing;
+
+        // When communal is hidden (either by transition or state change), set alpha to fully
+        // visible.
+        if (!mCommunalShowing) {
+            setAlpha(-1f);
+        }
         updateViewState();
-    };
+    }
 
     private final DisableStateTracker mDisableStateTracker;
 
@@ -277,6 +295,15 @@ public class KeyguardStatusBarViewController extends ViewController<KeyguardStat
     private boolean mShowingKeyguardHeadsUp;
     private StatusBarSystemEventDefaultAnimator mSystemEventAnimator;
     private float mSystemEventAnimatorAlpha = 1;
+    private final Consumer<Float> mToGlanceableHubStatusBarAlphaConsumer = (alpha) ->
+            updateCommunalAlphaTransition(alpha);
+
+    private final Consumer<Float> mFromGlanceableHubStatusBarAlphaConsumer = (alpha) ->
+            updateCommunalAlphaTransition(alpha);
+
+    @VisibleForTesting  void updateCommunalAlphaTransition(float alpha) {
+        setAlpha(!mCommunalShowing || alpha == 0 ? -1 : alpha);
+    }
 
     /**
      * The alpha value to be set on the View. If -1, this value is to be ignored.
@@ -285,6 +312,7 @@ public class KeyguardStatusBarViewController extends ViewController<KeyguardStat
 
     @Inject
     public KeyguardStatusBarViewController(
+            @Main CoroutineDispatcher dispatcher,
             KeyguardStatusBarView view,
             CarrierTextController carrierTextController,
             ConfigurationController configurationController,
@@ -310,9 +338,14 @@ public class KeyguardStatusBarViewController extends ViewController<KeyguardStat
             @Background Executor backgroundExecutor,
             KeyguardLogger logger,
             StatusOverlayHoverListenerFactory statusOverlayHoverListenerFactory,
-            CommunalSceneInteractor communalSceneInteractor
+            CommunalSceneInteractor communalSceneInteractor,
+            GlanceableHubToLockscreenTransitionViewModel
+                    glanceableHubToLockscreenTransitionViewModel,
+            LockscreenToGlanceableHubTransitionViewModel
+                    lockscreenToGlanceableHubTransitionViewModel
     ) {
         super(view);
+        mCoroutineDispatcher = dispatcher;
         mCarrierTextController = carrierTextController;
         mConfigurationController = configurationController;
         mAnimationScheduler = animationScheduler;
@@ -337,6 +370,8 @@ public class KeyguardStatusBarViewController extends ViewController<KeyguardStat
         mBackgroundExecutor = backgroundExecutor;
         mLogger = logger;
         mCommunalSceneInteractor = communalSceneInteractor;
+        mHubToLockscreenTransitionViewModel = glanceableHubToLockscreenTransitionViewModel;
+        mLockscreenToHubTransitionViewModel = lockscreenToGlanceableHubTransitionViewModel;
 
         mFirstBypassAttempt = mKeyguardBypassController.getBypassEnabled();
         mKeyguardStateController.addCallback(
@@ -418,7 +453,12 @@ public class KeyguardStatusBarViewController extends ViewController<KeyguardStat
                 UserHandle.USER_ALL);
         updateUserSwitcher();
         onThemeChanged();
-        collectFlow(mView, mCommunalSceneInteractor.isCommunalVisible(), mCommunalConsumer);
+        collectFlow(mView, mCommunalSceneInteractor.isCommunalVisible(), mCommunalConsumer,
+                mCoroutineDispatcher);
+        collectFlow(mView, mLockscreenToHubTransitionViewModel.getStatusBarAlpha(),
+                mToGlanceableHubStatusBarAlphaConsumer, mCoroutineDispatcher);
+        collectFlow(mView, mHubToLockscreenTransitionViewModel.getStatusBarAlpha(),
+                mFromGlanceableHubStatusBarAlphaConsumer, mCoroutineDispatcher);
     }
 
     @Override
@@ -573,7 +613,7 @@ public class KeyguardStatusBarViewController extends ViewController<KeyguardStat
                         && !mDozing
                         && !hideForBypass
                         && !mDisableStateTracker.isDisabled()
-                        && !mCommunalShowing
+                        && (!mCommunalShowing || mExplicitAlpha != -1)
                         ? View.VISIBLE : View.INVISIBLE;
 
         updateViewState(newAlpha, newVisibility);
diff --git a/packages/SystemUI/src/com/android/systemui/user/domain/interactor/UserSwitcherInteractor.kt b/packages/SystemUI/src/com/android/systemui/user/domain/interactor/UserSwitcherInteractor.kt
index 3662c78efb16..163288b25b28 100644
--- a/packages/SystemUI/src/com/android/systemui/user/domain/interactor/UserSwitcherInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/user/domain/interactor/UserSwitcherInteractor.kt
@@ -32,6 +32,7 @@ import android.os.UserHandle
 import android.os.UserManager
 import android.provider.Settings
 import android.util.Log
+import com.android.app.tracing.coroutines.launchTraced as launch
 import com.android.internal.logging.UiEventLogger
 import com.android.internal.util.UserIcons
 import com.android.keyguard.KeyguardUpdateMonitor
@@ -81,7 +82,6 @@ import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.stateIn
-import com.android.app.tracing.coroutines.launchTraced as launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
@@ -109,7 +109,7 @@ constructor(
     private val guestUserInteractor: GuestUserInteractor,
     private val uiEventLogger: UiEventLogger,
     private val userRestrictionChecker: UserRestrictionChecker,
-    private val processWrapper: ProcessWrapper
+    private val processWrapper: ProcessWrapper,
 ) {
     /**
      * Defines interface for classes that can be notified when the state of users on the device is
@@ -137,11 +137,10 @@ constructor(
     /** List of current on-device users to select from. */
     val users: Flow<List<UserModel>>
         get() =
-            combine(
+            combine(userInfos, repository.selectedUserInfo, repository.userSwitcherSettings) {
                 userInfos,
-                repository.selectedUserInfo,
-                repository.userSwitcherSettings,
-            ) { userInfos, selectedUserInfo, settings ->
+                selectedUserInfo,
+                settings ->
                 toUserModels(
                     userInfos = userInfos,
                     selectedUserId = selectedUserInfo.id,
@@ -157,7 +156,7 @@ constructor(
                 toUserModel(
                     userInfo = selectedUserInfo,
                     selectedUserId = selectedUserId,
-                    canSwitchUsers = canSwitchUsers(selectedUserId)
+                    canSwitchUsers = canSwitchUsers(selectedUserId),
                 )
             }
 
@@ -211,7 +210,7 @@ constructor(
                                                 manager,
                                                 repository,
                                                 settings.isUserSwitcherEnabled,
-                                                canAccessUserSwitcher
+                                                canAccessUserSwitcher,
                                             )
 
                                         if (canCreateUsers) {
@@ -238,7 +237,7 @@ constructor(
                         if (
                             UserActionsUtil.canManageUsers(
                                 repository,
-                                settings.isUserSwitcherEnabled
+                                settings.isUserSwitcherEnabled,
                             )
                         ) {
                             add(UserActionModel.NAVIGATE_TO_USER_MANAGEMENT)
@@ -248,18 +247,14 @@ constructor(
                 .flowOn(backgroundDispatcher)
 
     val userRecords: StateFlow<ArrayList<UserRecord>> =
-        combine(
+        combine(userInfos, repository.selectedUserInfo, actions, repository.userSwitcherSettings) {
                 userInfos,
-                repository.selectedUserInfo,
-                actions,
-                repository.userSwitcherSettings,
-            ) { userInfos, selectedUserInfo, actionModels, settings ->
+                selectedUserInfo,
+                actionModels,
+                settings ->
                 ArrayList(
                     userInfos.map {
-                        toRecord(
-                            userInfo = it,
-                            selectedUserId = selectedUserInfo.id,
-                        )
+                        toRecord(userInfo = it, selectedUserId = selectedUserInfo.id)
                     } +
                         actionModels.map {
                             toRecord(
@@ -298,7 +293,8 @@ constructor(
     val isGuestUserResetting: Boolean = guestUserInteractor.isGuestUserResetting
 
     /** Whether to enable the user chip in the status bar */
-    val isStatusBarUserChipEnabled: Boolean = repository.isStatusBarUserChipEnabled
+    val isStatusBarUserChipEnabled: Boolean
+        get() = repository.isStatusBarUserChipEnabled
 
     private val _dialogShowRequests = MutableStateFlow<ShowDialogRequestModel?>(null)
     val dialogShowRequests: Flow<ShowDialogRequestModel?> = _dialogShowRequests.asStateFlow()
@@ -467,10 +463,8 @@ constructor(
         when (action) {
             UserActionModel.ENTER_GUEST_MODE -> {
                 uiEventLogger.log(MultiUserActionsEvent.CREATE_GUEST_FROM_USER_SWITCHER)
-                guestUserInteractor.createAndSwitchTo(
-                    this::showDialog,
-                    this::dismissDialog,
-                ) { userId ->
+                guestUserInteractor.createAndSwitchTo(this::showDialog, this::dismissDialog) {
+                    userId ->
                     selectUser(userId, dialogShower)
                 }
             }
@@ -481,7 +475,7 @@ constructor(
                 activityStarter.startActivity(
                     CreateUserActivity.createIntentForStart(
                         applicationContext,
-                        keyguardInteractor.isKeyguardShowing()
+                        keyguardInteractor.isKeyguardShowing(),
                     ),
                     /* dismissShade= */ true,
                     /* animationController */ null,
@@ -523,17 +517,14 @@ constructor(
         )
     }
 
-    fun removeGuestUser(
-        @UserIdInt guestUserId: Int,
-        @UserIdInt targetUserId: Int,
-    ) {
+    fun removeGuestUser(@UserIdInt guestUserId: Int, @UserIdInt targetUserId: Int) {
         applicationScope.launch {
             guestUserInteractor.remove(
                 guestUserId = guestUserId,
                 targetUserId = targetUserId,
                 ::showDialog,
                 ::dismissDialog,
-                ::switchUser
+                ::switchUser,
             )
         }
     }
@@ -570,10 +561,7 @@ constructor(
         }
     }
 
-    private suspend fun toRecord(
-        userInfo: UserInfo,
-        selectedUserId: Int,
-    ): UserRecord {
+    private suspend fun toRecord(userInfo: UserInfo, selectedUserId: Int): UserRecord {
         return LegacyUserDataHelper.createRecord(
             context = applicationContext,
             manager = manager,
@@ -595,10 +583,7 @@ constructor(
             actionType = action,
             isRestricted = isRestricted,
             isSwitchToEnabled =
-                canSwitchUsers(
-                    selectedUserId = selectedUserId,
-                    isAction = true,
-                ) &&
+                canSwitchUsers(selectedUserId = selectedUserId, isAction = true) &&
                     // If the user is auto-created is must not be currently resetting.
                     !(isGuestUserAutoCreated && isGuestUserResetting),
             userRestrictionChecker = userRestrictionChecker,
@@ -623,10 +608,7 @@ constructor(
         }
     }
 
-    private suspend fun onBroadcastReceived(
-        intent: Intent,
-        previousUserInfo: UserInfo?,
-    ) {
+    private suspend fun onBroadcastReceived(intent: Intent, previousUserInfo: UserInfo?) {
         val shouldRefreshAllUsers =
             when (intent.action) {
                 Intent.ACTION_LOCALE_CHANGED -> true
@@ -645,10 +627,8 @@ constructor(
                 Intent.ACTION_USER_INFO_CHANGED -> true
                 Intent.ACTION_USER_UNLOCKED -> {
                     // If we unlocked the system user, we should refresh all users.
-                    intent.getIntExtra(
-                        Intent.EXTRA_USER_HANDLE,
-                        UserHandle.USER_NULL,
-                    ) == UserHandle.USER_SYSTEM
+                    intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL) ==
+                        UserHandle.USER_SYSTEM
                 }
                 else -> true
             }
@@ -668,20 +648,14 @@ constructor(
         // Disconnect from the old secondary user's service
         val secondaryUserId = repository.secondaryUserId
         if (secondaryUserId != UserHandle.USER_NULL) {
-            applicationContext.stopServiceAsUser(
-                intent,
-                UserHandle.of(secondaryUserId),
-            )
+            applicationContext.stopServiceAsUser(intent, UserHandle.of(secondaryUserId))
             repository.secondaryUserId = UserHandle.USER_NULL
         }
 
         // Connect to the new secondary user's service (purely to ensure that a persistent
         // SystemUI application is created for that user)
         if (userId != processWrapper.myUserHandle().identifier && !processWrapper.isSystemUser) {
-            applicationContext.startServiceAsUser(
-                intent,
-                UserHandle.of(userId),
-            )
+            applicationContext.startServiceAsUser(intent, UserHandle.of(userId))
             repository.secondaryUserId = userId
         }
     }
@@ -732,7 +706,7 @@ constructor(
     private suspend fun toUserModel(
         userInfo: UserInfo,
         selectedUserId: Int,
-        canSwitchUsers: Boolean
+        canSwitchUsers: Boolean,
     ): UserModel {
         val userId = userInfo.id
         val isSelected = userId == selectedUserId
@@ -740,11 +714,7 @@ constructor(
             UserModel(
                 id = userId,
                 name = Text.Loaded(userInfo.name),
-                image =
-                    getUserImage(
-                        isGuest = true,
-                        userId = userId,
-                    ),
+                image = getUserImage(isGuest = true, userId = userId),
                 isSelected = isSelected,
                 isSelectable = canSwitchUsers,
                 isGuest = true,
@@ -753,11 +723,7 @@ constructor(
             UserModel(
                 id = userId,
                 name = Text.Loaded(userInfo.name),
-                image =
-                    getUserImage(
-                        isGuest = false,
-                        userId = userId,
-                    ),
+                image = getUserImage(isGuest = false, userId = userId),
                 isSelected = isSelected,
                 isSelectable = canSwitchUsers || isSelected,
                 isGuest = false,
@@ -765,10 +731,7 @@ constructor(
         }
     }
 
-    private suspend fun canSwitchUsers(
-        selectedUserId: Int,
-        isAction: Boolean = false,
-    ): Boolean {
+    private suspend fun canSwitchUsers(selectedUserId: Int, isAction: Boolean = false): Boolean {
         val isHeadlessSystemUserMode =
             withContext(backgroundDispatcher) { headlessSystemUserMode.isHeadlessSystemUserMode() }
         // Whether menu item should be active. True if item is a user or if any user has
@@ -785,7 +748,7 @@ constructor(
             .getUsers(
                 /* excludePartial= */ true,
                 /* excludeDying= */ true,
-                /* excludePreCreated= */ true
+                /* excludePreCreated= */ true,
             )
             .any { user ->
                 user.id != UserHandle.USER_SYSTEM &&
@@ -794,10 +757,7 @@ constructor(
     }
 
     @SuppressLint("UseCompatLoadingForDrawables")
-    private suspend fun getUserImage(
-        isGuest: Boolean,
-        userId: Int,
-    ): Drawable {
+    private suspend fun getUserImage(isGuest: Boolean, userId: Int): Drawable {
         if (isGuest) {
             return checkNotNull(
                 applicationContext.getDrawable(com.android.settingslib.R.drawable.ic_account_circle)
@@ -823,13 +783,13 @@ constructor(
         return UserIcons.getDefaultUserIcon(
             applicationContext.resources,
             userId,
-            /* light= */ false
+            /* light= */ false,
         )
     }
 
     private fun canCreateGuestUser(
         settings: UserSwitcherSettingsModel,
-        canAccessUserSwitcher: Boolean
+        canAccessUserSwitcher: Boolean,
     ): Boolean {
         return guestUserInteractor.isGuestUserAutoCreated ||
             UserActionsUtil.canCreateGuest(
diff --git a/packages/SystemUI/src/com/android/systemui/user/ui/viewmodel/StatusBarUserChipViewModel.kt b/packages/SystemUI/src/com/android/systemui/user/ui/viewmodel/StatusBarUserChipViewModel.kt
index 2c425b199b4e..53c2d888922b 100644
--- a/packages/SystemUI/src/com/android/systemui/user/ui/viewmodel/StatusBarUserChipViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/user/ui/viewmodel/StatusBarUserChipViewModel.kt
@@ -30,11 +30,10 @@ import kotlinx.coroutines.flow.mapLatest
 @OptIn(ExperimentalCoroutinesApi::class)
 class StatusBarUserChipViewModel
 @Inject
-constructor(
-    interactor: UserSwitcherInteractor,
-) {
+constructor(private val interactor: UserSwitcherInteractor) {
     /** Whether the status bar chip ui should be available */
-    val chipEnabled: Boolean = interactor.isStatusBarUserChipEnabled
+    val chipEnabled: Boolean
+        get() = interactor.isStatusBarUserChipEnabled
 
     /** Whether or not the chip should be showing, based on the number of users */
     val isChipVisible: Flow<Boolean> =
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/kosmos/KosmosJavaAdapter.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/kosmos/KosmosJavaAdapter.kt
index 5eaa198fb2a6..a3cdcd20e93b 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/kosmos/KosmosJavaAdapter.kt
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/kosmos/KosmosJavaAdapter.kt
@@ -51,6 +51,8 @@ import com.android.systemui.keyguard.domain.interactor.keyguardClockInteractor
 import com.android.systemui.keyguard.domain.interactor.keyguardInteractor
 import com.android.systemui.keyguard.domain.interactor.keyguardTransitionInteractor
 import com.android.systemui.keyguard.domain.interactor.pulseExpansionInteractor
+import com.android.systemui.keyguard.ui.viewmodel.glanceableHubToLockscreenTransitionViewModel
+import com.android.systemui.keyguard.ui.viewmodel.lockscreenToGlanceableHubTransitionViewModel
 import com.android.systemui.model.sceneContainerPlugin
 import com.android.systemui.plugins.statusbar.statusBarStateController
 import com.android.systemui.power.data.repository.fakePowerRepository
@@ -164,4 +166,11 @@ class KosmosJavaAdapter() {
     val msdlPlayer by lazy { kosmos.fakeMSDLPlayer }
     val shadeModeInteractor by lazy { kosmos.shadeModeInteractor }
     val bouncerHapticHelper by lazy { kosmos.bouncerHapticPlayer }
+
+    val glanceableHubToLockscreenTransitionViewModel by lazy {
+        kosmos.glanceableHubToLockscreenTransitionViewModel
+    }
+    val lockscreenToGlanceableHubTransitionViewModel by lazy {
+        kosmos.lockscreenToGlanceableHubTransitionViewModel
+    }
 }
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/ui/viewmodel/StatusBarUserChipViewModelKosmos.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/ui/viewmodel/StatusBarUserChipViewModelKosmos.kt
new file mode 100644
index 000000000000..01175a568b3a
--- /dev/null
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/ui/viewmodel/StatusBarUserChipViewModelKosmos.kt
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar.ui.viewmodel
+
+import com.android.systemui.kosmos.Kosmos
+import com.android.systemui.user.domain.interactor.userSwitcherInteractor
+import com.android.systemui.user.ui.viewmodel.StatusBarUserChipViewModel
+
+val Kosmos.statusBarUserChipViewModel: StatusBarUserChipViewModel by
+    Kosmos.Fixture { StatusBarUserChipViewModel(userSwitcherInteractor) }