Merge "Transitions - Better dozing/aod support" into tm-qpr-dev

13 files changed, 536 insertions, 61 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/flags/Flags.kt b/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
index d015b1580385..0c0d5a66890c 100644
--- a/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
+++ b/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
@@ -114,8 +114,6 @@ object Flags {
     // ** Flag retired **
     // public static final BooleanFlag KEYGUARD_LAYOUT =
     //         new BooleanFlag(200, true);
-    // TODO(b/254512713): Tracking Bug
-    @JvmField val LOCKSCREEN_ANIMATIONS = releasedFlag(201, "lockscreen_animations")
 
     // TODO(b/254512750): Tracking Bug
     val NEW_UNLOCK_SWIPE_ANIMATION = releasedFlag(202, "new_unlock_swipe_animation")
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/data/repository/KeyguardRepository.kt b/packages/SystemUI/src/com/android/systemui/keyguard/data/repository/KeyguardRepository.kt
index a4fd087a24b1..d99af90ab6dc 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/data/repository/KeyguardRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/data/repository/KeyguardRepository.kt
@@ -40,6 +40,7 @@ import com.android.systemui.keyguard.shared.model.WakefulnessModel
 import com.android.systemui.plugins.statusbar.StatusBarStateController
 import com.android.systemui.statusbar.phone.BiometricUnlockController
 import com.android.systemui.statusbar.phone.BiometricUnlockController.WakeAndUnlockMode
+import com.android.systemui.statusbar.phone.DozeParameters
 import com.android.systemui.statusbar.policy.KeyguardStateController
 import javax.inject.Inject
 import kotlinx.coroutines.channels.awaitClose
@@ -88,6 +89,9 @@ interface KeyguardRepository {
     /** Observable for whether the bouncer is showing. */
     val isBouncerShowing: Flow<Boolean>
 
+    /** Is the always-on display available to be used? */
+    val isAodAvailable: Flow<Boolean>
+
     /**
      * Observable for whether we are in doze state.
      *
@@ -182,6 +186,7 @@ constructor(
     private val keyguardStateController: KeyguardStateController,
     private val keyguardUpdateMonitor: KeyguardUpdateMonitor,
     private val dozeTransitionListener: DozeTransitionListener,
+    private val dozeParameters: DozeParameters,
     private val authController: AuthController,
     private val dreamOverlayCallbackController: DreamOverlayCallbackController,
 ) : KeyguardRepository {
@@ -220,6 +225,31 @@ constructor(
             }
             .distinctUntilChanged()
 
+    override val isAodAvailable: Flow<Boolean> =
+        conflatedCallbackFlow {
+                val callback =
+                    object : DozeParameters.Callback {
+                        override fun onAlwaysOnChange() {
+                            trySendWithFailureLogging(
+                                dozeParameters.getAlwaysOn(),
+                                TAG,
+                                "updated isAodAvailable"
+                            )
+                        }
+                    }
+
+                dozeParameters.addCallback(callback)
+                // Adding the callback does not send an initial update.
+                trySendWithFailureLogging(
+                    dozeParameters.getAlwaysOn(),
+                    TAG,
+                    "initial isAodAvailable"
+                )
+
+                awaitClose { dozeParameters.removeCallback(callback) }
+            }
+            .distinctUntilChanged()
+
     override val isKeyguardOccluded: Flow<Boolean> =
         conflatedCallbackFlow {
                 val callback =
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromDozingTransitionInteractor.kt b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromDozingTransitionInteractor.kt
index fd2d271e40f9..ce61f2fec92f 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromDozingTransitionInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromDozingTransitionInteractor.kt
@@ -21,9 +21,9 @@ import com.android.systemui.animation.Interpolators
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
 import com.android.systemui.keyguard.data.repository.KeyguardTransitionRepository
-import com.android.systemui.keyguard.shared.model.DozeStateModel.Companion.isDozeOff
 import com.android.systemui.keyguard.shared.model.KeyguardState
 import com.android.systemui.keyguard.shared.model.TransitionInfo
+import com.android.systemui.keyguard.shared.model.WakefulnessModel.Companion.isWakingOrStartingToWake
 import com.android.systemui.util.kotlin.sample
 import javax.inject.Inject
 import kotlin.time.Duration
@@ -48,12 +48,11 @@ constructor(
 
     private fun listenForDozingToLockscreen() {
         scope.launch {
-            keyguardInteractor.dozeTransitionModel
+            keyguardInteractor.wakefulnessModel
                 .sample(keyguardTransitionInteractor.startedKeyguardTransitionStep, ::Pair)
-                .collect { pair ->
-                    val (dozeTransitionModel, lastStartedTransition) = pair
+                .collect { (wakefulnessModel, lastStartedTransition) ->
                     if (
-                        isDozeOff(dozeTransitionModel.to) &&
+                        isWakingOrStartingToWake(wakefulnessModel) &&
                             lastStartedTransition.to == KeyguardState.DOZING
                     ) {
                         keyguardTransitionRepository.startTransition(
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromGoneTransitionInteractor.kt b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromGoneTransitionInteractor.kt
index 553fafeb92c3..9203a9b924a7 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromGoneTransitionInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromGoneTransitionInteractor.kt
@@ -26,7 +26,10 @@ import com.android.systemui.keyguard.shared.model.TransitionInfo
 import com.android.systemui.keyguard.shared.model.WakefulnessState
 import com.android.systemui.util.kotlin.sample
 import javax.inject.Inject
+import kotlin.time.Duration
+import kotlin.time.Duration.Companion.milliseconds
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.launch
 
 @SysUISingleton
@@ -40,7 +43,7 @@ constructor(
 ) : TransitionInteractor(FromGoneTransitionInteractor::class.simpleName!!) {
 
     override fun start() {
-        listenForGoneToAod()
+        listenForGoneToAodOrDozing()
         listenForGoneToDreaming()
     }
 
@@ -56,7 +59,7 @@ constructor(
                                 name,
                                 KeyguardState.GONE,
                                 KeyguardState.DREAMING,
-                                getAnimator(),
+                                getAnimator(TO_DREAMING_DURATION),
                             )
                         )
                     }
@@ -64,12 +67,18 @@ constructor(
         }
     }
 
-    private fun listenForGoneToAod() {
+    private fun listenForGoneToAodOrDozing() {
         scope.launch {
             keyguardInteractor.wakefulnessModel
-                .sample(keyguardTransitionInteractor.finishedKeyguardState, ::Pair)
-                .collect { pair ->
-                    val (wakefulnessState, keyguardState) = pair
+                .sample(
+                    combine(
+                        keyguardTransitionInteractor.finishedKeyguardState,
+                        keyguardInteractor.isAodAvailable,
+                        ::Pair
+                    ),
+                    ::toTriple
+                )
+                .collect { (wakefulnessState, keyguardState, isAodAvailable) ->
                     if (
                         keyguardState == KeyguardState.GONE &&
                             wakefulnessState.state == WakefulnessState.STARTING_TO_SLEEP
@@ -78,7 +87,11 @@ constructor(
                             TransitionInfo(
                                 name,
                                 KeyguardState.GONE,
-                                KeyguardState.AOD,
+                                if (isAodAvailable) {
+                                    KeyguardState.AOD
+                                } else {
+                                    KeyguardState.DOZING
+                                },
                                 getAnimator(),
                             )
                         )
@@ -87,14 +100,15 @@ constructor(
         }
     }
 
-    private fun getAnimator(): ValueAnimator {
+    private fun getAnimator(duration: Duration = DEFAULT_DURATION): ValueAnimator {
         return ValueAnimator().apply {
             setInterpolator(Interpolators.LINEAR)
-            setDuration(TRANSITION_DURATION_MS)
+            setDuration(duration.inWholeMilliseconds)
         }
     }
 
     companion object {
-        private const val TRANSITION_DURATION_MS = 500L
+        private val DEFAULT_DURATION = 500.milliseconds
+        val TO_DREAMING_DURATION = 933.milliseconds
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractor.kt b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractor.kt
index 20c6531d580b..64028ceb2fbe 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractor.kt
@@ -21,11 +21,11 @@ import com.android.systemui.animation.Interpolators
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
 import com.android.systemui.keyguard.data.repository.KeyguardTransitionRepository
-import com.android.systemui.keyguard.shared.model.DozeStateModel
 import com.android.systemui.keyguard.shared.model.KeyguardState
 import com.android.systemui.keyguard.shared.model.StatusBarState.KEYGUARD
 import com.android.systemui.keyguard.shared.model.TransitionInfo
 import com.android.systemui.keyguard.shared.model.TransitionState
+import com.android.systemui.keyguard.shared.model.WakefulnessState
 import com.android.systemui.shade.data.repository.ShadeRepository
 import com.android.systemui.util.kotlin.sample
 import java.util.UUID
@@ -54,7 +54,7 @@ constructor(
         listenForLockscreenToGone()
         listenForLockscreenToOccluded()
         listenForLockscreenToCamera()
-        listenForLockscreenToAod()
+        listenForLockscreenToAodOrDozing()
         listenForLockscreenToBouncer()
         listenForLockscreenToDreaming()
         listenForLockscreenToBouncerDragging()
@@ -230,19 +230,31 @@ constructor(
         }
     }
 
-    private fun listenForLockscreenToAod() {
+    private fun listenForLockscreenToAodOrDozing() {
         scope.launch {
-            keyguardInteractor
-                .dozeTransitionTo(DozeStateModel.DOZE_AOD)
-                .sample(keyguardTransitionInteractor.startedKeyguardTransitionStep, ::Pair)
-                .collect { pair ->
-                    val (dozeToAod, lastStartedStep) = pair
-                    if (lastStartedStep.to == KeyguardState.LOCKSCREEN) {
+            keyguardInteractor.wakefulnessModel
+                .sample(
+                    combine(
+                        keyguardTransitionInteractor.startedKeyguardTransitionStep,
+                        keyguardInteractor.isAodAvailable,
+                        ::Pair
+                    ),
+                    ::toTriple
+                )
+                .collect { (wakefulnessState, lastStartedStep, isAodAvailable) ->
+                    if (
+                        lastStartedStep.to == KeyguardState.LOCKSCREEN &&
+                            wakefulnessState.state == WakefulnessState.STARTING_TO_SLEEP
+                    ) {
                         keyguardTransitionRepository.startTransition(
                             TransitionInfo(
                                 name,
                                 KeyguardState.LOCKSCREEN,
-                                KeyguardState.AOD,
+                                if (isAodAvailable) {
+                                    KeyguardState.AOD
+                                } else {
+                                    KeyguardState.DOZING
+                                },
                                 getAnimator(),
                             )
                         )
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromOccludedTransitionInteractor.kt b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromOccludedTransitionInteractor.kt
index 88789019b10f..2dc8fee25379 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromOccludedTransitionInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromOccludedTransitionInteractor.kt
@@ -23,12 +23,14 @@ import com.android.systemui.dagger.qualifiers.Application
 import com.android.systemui.keyguard.data.repository.KeyguardTransitionRepository
 import com.android.systemui.keyguard.shared.model.KeyguardState
 import com.android.systemui.keyguard.shared.model.TransitionInfo
+import com.android.systemui.keyguard.shared.model.WakefulnessState
 import com.android.systemui.util.kotlin.sample
 import javax.inject.Inject
 import kotlin.time.Duration
 import kotlin.time.Duration.Companion.milliseconds
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.launch
 
 @SysUISingleton
@@ -44,6 +46,7 @@ constructor(
     override fun start() {
         listenForOccludedToLockscreen()
         listenForOccludedToDreaming()
+        listenForOccludedToAodOrDozing()
     }
 
     private fun listenForOccludedToDreaming() {
@@ -70,8 +73,7 @@ constructor(
         scope.launch {
             keyguardInteractor.isKeyguardOccluded
                 .sample(keyguardTransitionInteractor.startedKeyguardTransitionStep, ::Pair)
-                .collect { pair ->
-                    val (isOccluded, lastStartedKeyguardState) = pair
+                .collect { (isOccluded, lastStartedKeyguardState) ->
                     // Occlusion signals come from the framework, and should interrupt any
                     // existing transition
                     if (!isOccluded && lastStartedKeyguardState.to == KeyguardState.OCCLUDED) {
@@ -88,6 +90,39 @@ constructor(
         }
     }
 
+    private fun listenForOccludedToAodOrDozing() {
+        scope.launch {
+            keyguardInteractor.wakefulnessModel
+                .sample(
+                    combine(
+                        keyguardTransitionInteractor.startedKeyguardTransitionStep,
+                        keyguardInteractor.isAodAvailable,
+                        ::Pair
+                    ),
+                    ::toTriple
+                )
+                .collect { (wakefulnessState, lastStartedStep, isAodAvailable) ->
+                    if (
+                        lastStartedStep.to == KeyguardState.OCCLUDED &&
+                            wakefulnessState.state == WakefulnessState.STARTING_TO_SLEEP
+                    ) {
+                        keyguardTransitionRepository.startTransition(
+                            TransitionInfo(
+                                name,
+                                KeyguardState.OCCLUDED,
+                                if (isAodAvailable) {
+                                    KeyguardState.AOD
+                                } else {
+                                    KeyguardState.DOZING
+                                },
+                                getAnimator(),
+                            )
+                        )
+                    }
+                }
+        }
+    }
+
     private fun getAnimator(duration: Duration = DEFAULT_DURATION): ValueAnimator {
         return ValueAnimator().apply {
             setInterpolator(Interpolators.LINEAR)
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/KeyguardInteractor.kt b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/KeyguardInteractor.kt
index ac2d230ee605..490d22eb0820 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/KeyguardInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/KeyguardInteractor.kt
@@ -57,6 +57,8 @@ constructor(
     val dozeAmount: Flow<Float> = repository.linearDozeAmount
     /** Whether the system is in doze mode. */
     val isDozing: Flow<Boolean> = repository.isDozing
+    /** Whether Always-on Display mode is available. */
+    val isAodAvailable: Flow<Boolean> = repository.isAodAvailable
     /** Doze transition information. */
     val dozeTransitionModel: Flow<DozeTransitionModel> = repository.dozeTransitionModel
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java
index 8f2704521d95..f1e1f426b467 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java
@@ -4266,8 +4266,7 @@ public class CentralSurfacesImpl implements CoreStartable, CentralSurfaces {
 
                 @Override
                 public void onDozeAmountChanged(float linear, float eased) {
-                    if (mFeatureFlags.isEnabled(Flags.LOCKSCREEN_ANIMATIONS)
-                            && !mFeatureFlags.isEnabled(Flags.LIGHT_REVEAL_MIGRATION)
+                    if (!mFeatureFlags.isEnabled(Flags.LIGHT_REVEAL_MIGRATION)
                             && !(mLightRevealScrim.getRevealEffect() instanceof CircleReveal)) {
                         mLightRevealScrim.setRevealAmount(1f - linear);
                     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeParameters.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeParameters.java
index de7b152adaab..0446cefb10dc 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeParameters.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeParameters.java
@@ -44,10 +44,9 @@ import com.android.systemui.dagger.qualifiers.Main;
 import com.android.systemui.doze.AlwaysOnDisplayPolicy;
 import com.android.systemui.doze.DozeScreenState;
 import com.android.systemui.dump.DumpManager;
-import com.android.systemui.flags.FeatureFlags;
-import com.android.systemui.flags.Flags;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
 import com.android.systemui.statusbar.policy.BatteryController;
+import com.android.systemui.statusbar.policy.BatteryController.BatteryStateChangeCallback;
 import com.android.systemui.statusbar.policy.ConfigurationController;
 import com.android.systemui.statusbar.policy.DevicePostureController;
 import com.android.systemui.tuner.TunerService;
@@ -82,7 +81,6 @@ public class DozeParameters implements
     private final AlwaysOnDisplayPolicy mAlwaysOnPolicy;
     private final Resources mResources;
     private final BatteryController mBatteryController;
-    private final FeatureFlags mFeatureFlags;
     private final ScreenOffAnimationController mScreenOffAnimationController;
     private final FoldAodAnimationController mFoldAodAnimationController;
     private final UnlockedScreenOffAnimationController mUnlockedScreenOffAnimationController;
@@ -125,7 +123,6 @@ public class DozeParameters implements
             BatteryController batteryController,
             TunerService tunerService,
             DumpManager dumpManager,
-            FeatureFlags featureFlags,
             ScreenOffAnimationController screenOffAnimationController,
             Optional<SysUIUnfoldComponent> sysUiUnfoldComponent,
             UnlockedScreenOffAnimationController unlockedScreenOffAnimationController,
@@ -141,7 +138,6 @@ public class DozeParameters implements
         mControlScreenOffAnimation = !getDisplayNeedsBlanking();
         mPowerManager = powerManager;
         mPowerManager.setDozeAfterScreenOff(!mControlScreenOffAnimation);
-        mFeatureFlags = featureFlags;
         mScreenOffAnimationController = screenOffAnimationController;
         mUnlockedScreenOffAnimationController = unlockedScreenOffAnimationController;
 
@@ -162,6 +158,13 @@ public class DozeParameters implements
 
         SettingsObserver quickPickupSettingsObserver = new SettingsObserver(context, handler);
         quickPickupSettingsObserver.observe();
+
+        batteryController.addCallback(new BatteryStateChangeCallback() {
+                @Override
+                public void onPowerSaveChanged(boolean isPowerSave) {
+                    dispatchAlwaysOnEvent();
+                }
+            });
     }
 
     private void updateQuickPickupEnabled() {
@@ -300,13 +303,10 @@ public class DozeParameters implements
 
     /**
      * Whether we're capable of controlling the screen off animation if we want to. This isn't
-     * possible if AOD isn't even enabled or if the flag is disabled, or if the display needs
-     * blanking.
+     * possible if AOD isn't even enabled or if the display needs blanking.
      */
     public boolean canControlUnlockedScreenOff() {
-        return getAlwaysOn()
-                && mFeatureFlags.isEnabled(Flags.LOCKSCREEN_ANIMATIONS)
-                && !getDisplayNeedsBlanking();
+        return getAlwaysOn() && !getDisplayNeedsBlanking();
     }
 
     /**
@@ -424,9 +424,7 @@ public class DozeParameters implements
             updateControlScreenOff();
         }
 
-        for (Callback callback : mCallbacks) {
-            callback.onAlwaysOnChange();
-        }
+        dispatchAlwaysOnEvent();
         mScreenOffAnimationController.onAlwaysOnChanged(getAlwaysOn());
     }
 
@@ -463,6 +461,12 @@ public class DozeParameters implements
         pw.print("isQuickPickupEnabled(): "); pw.println(isQuickPickupEnabled());
     }
 
+    private void dispatchAlwaysOnEvent() {
+        for (Callback callback : mCallbacks) {
+            callback.onAlwaysOnChange();
+        }
+    }
+
     private boolean getPostureSpecificBool(
             int[] postureMapping,
             boolean defaultSensorBool,
@@ -477,7 +481,8 @@ public class DozeParameters implements
         return bool;
     }
 
-    interface Callback {
+    /** Callbacks for doze parameter related information */
+    public interface Callback {
         /**
          * Invoked when the value of getAlwaysOn may have changed.
          */
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/data/repository/KeyguardRepositoryImplTest.kt b/packages/SystemUI/tests/src/com/android/systemui/keyguard/data/repository/KeyguardRepositoryImplTest.kt
index be712f699b7b..f997d18a57a5 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/data/repository/KeyguardRepositoryImplTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/data/repository/KeyguardRepositoryImplTest.kt
@@ -24,6 +24,7 @@ import com.android.keyguard.KeyguardUpdateMonitorCallback
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.biometrics.AuthController
 import com.android.systemui.common.shared.model.Position
+import com.android.systemui.coroutines.collectLastValue
 import com.android.systemui.doze.DozeHost
 import com.android.systemui.doze.DozeMachine
 import com.android.systemui.doze.DozeTransitionCallback
@@ -38,14 +39,17 @@ import com.android.systemui.keyguard.shared.model.WakefulnessModel
 import com.android.systemui.keyguard.shared.model.WakefulnessState
 import com.android.systemui.plugins.statusbar.StatusBarStateController
 import com.android.systemui.statusbar.phone.BiometricUnlockController
+import com.android.systemui.statusbar.phone.DozeParameters
 import com.android.systemui.statusbar.policy.KeyguardStateController
 import com.android.systemui.util.mockito.argumentCaptor
 import com.android.systemui.util.mockito.whenever
 import com.android.systemui.util.mockito.withArgCaptor
 import com.google.common.truth.Truth.assertThat
 import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onCompletion
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.test.UnconfinedTestDispatcher
+import kotlinx.coroutines.test.runCurrent
 import kotlinx.coroutines.test.runTest
 import org.junit.Before
 import org.junit.Test
@@ -68,6 +72,7 @@ class KeyguardRepositoryImplTest : SysuiTestCase() {
     @Mock private lateinit var authController: AuthController
     @Mock private lateinit var keyguardUpdateMonitor: KeyguardUpdateMonitor
     @Mock private lateinit var dreamOverlayCallbackController: DreamOverlayCallbackController
+    @Mock private lateinit var dozeParameters: DozeParameters
 
     private lateinit var underTest: KeyguardRepositoryImpl
 
@@ -84,6 +89,7 @@ class KeyguardRepositoryImplTest : SysuiTestCase() {
                 keyguardStateController,
                 keyguardUpdateMonitor,
                 dozeTransitionListener,
+                dozeParameters,
                 authController,
                 dreamOverlayCallbackController,
             )
@@ -170,6 +176,26 @@ class KeyguardRepositoryImplTest : SysuiTestCase() {
         }
 
     @Test
+    fun isAodAvailable() = runTest {
+        val flow = underTest.isAodAvailable
+        var isAodAvailable = collectLastValue(flow)
+        runCurrent()
+
+        val callback =
+            withArgCaptor<DozeParameters.Callback> { verify(dozeParameters).addCallback(capture()) }
+
+        whenever(dozeParameters.getAlwaysOn()).thenReturn(false)
+        callback.onAlwaysOnChange()
+        assertThat(isAodAvailable()).isEqualTo(false)
+
+        whenever(dozeParameters.getAlwaysOn()).thenReturn(true)
+        callback.onAlwaysOnChange()
+        assertThat(isAodAvailable()).isEqualTo(true)
+
+        flow.onCompletion { verify(dozeParameters).removeCallback(callback) }
+    }
+
+    @Test
     fun isKeyguardOccluded() =
         runTest(UnconfinedTestDispatcher()) {
             whenever(keyguardStateController.isOccluded).thenReturn(false)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/domain/interactor/KeyguardTransitionScenariosTest.kt b/packages/SystemUI/tests/src/com/android/systemui/keyguard/domain/interactor/KeyguardTransitionScenariosTest.kt
index 754adfdc48b3..b3cee2273012 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/domain/interactor/KeyguardTransitionScenariosTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/domain/interactor/KeyguardTransitionScenariosTest.kt
@@ -71,6 +71,10 @@ class KeyguardTransitionScenariosTest : SysuiTestCase() {
 
     private lateinit var fromLockscreenTransitionInteractor: FromLockscreenTransitionInteractor
     private lateinit var fromDreamingTransitionInteractor: FromDreamingTransitionInteractor
+    private lateinit var fromDozingTransitionInteractor: FromDozingTransitionInteractor
+    private lateinit var fromOccludedTransitionInteractor: FromOccludedTransitionInteractor
+    private lateinit var fromGoneTransitionInteractor: FromGoneTransitionInteractor
+    private lateinit var fromAodTransitionInteractor: FromAodTransitionInteractor
 
     @Before
     fun setUp() {
@@ -102,6 +106,42 @@ class KeyguardTransitionScenariosTest : SysuiTestCase() {
                 keyguardTransitionInteractor = KeyguardTransitionInteractor(transitionRepository),
             )
         fromDreamingTransitionInteractor.start()
+
+        fromAodTransitionInteractor =
+            FromAodTransitionInteractor(
+                scope = testScope,
+                keyguardInteractor = KeyguardInteractor(keyguardRepository, commandQueue),
+                keyguardTransitionRepository = mockTransitionRepository,
+                keyguardTransitionInteractor = KeyguardTransitionInteractor(transitionRepository),
+            )
+        fromAodTransitionInteractor.start()
+
+        fromGoneTransitionInteractor =
+            FromGoneTransitionInteractor(
+                scope = testScope,
+                keyguardInteractor = KeyguardInteractor(keyguardRepository, commandQueue),
+                keyguardTransitionRepository = mockTransitionRepository,
+                keyguardTransitionInteractor = KeyguardTransitionInteractor(transitionRepository),
+            )
+        fromGoneTransitionInteractor.start()
+
+        fromDozingTransitionInteractor =
+            FromDozingTransitionInteractor(
+                scope = testScope,
+                keyguardInteractor = KeyguardInteractor(keyguardRepository, commandQueue),
+                keyguardTransitionRepository = mockTransitionRepository,
+                keyguardTransitionInteractor = KeyguardTransitionInteractor(transitionRepository),
+            )
+        fromDozingTransitionInteractor.start()
+
+        fromOccludedTransitionInteractor =
+            FromOccludedTransitionInteractor(
+                scope = testScope,
+                keyguardInteractor = KeyguardInteractor(keyguardRepository, commandQueue),
+                keyguardTransitionRepository = mockTransitionRepository,
+                keyguardTransitionInteractor = KeyguardTransitionInteractor(transitionRepository),
+            )
+        fromOccludedTransitionInteractor.start()
     }
 
     @Test
@@ -192,6 +232,289 @@ class KeyguardTransitionScenariosTest : SysuiTestCase() {
             coroutineContext.cancelChildren()
         }
 
+    @Test
+    fun `OCCLUDED to DOZING`() =
+        testScope.runTest {
+            // GIVEN a device with AOD not available
+            keyguardRepository.setAodAvailable(false)
+            runCurrent()
+
+            // GIVEN a prior transition has run to OCCLUDED
+            runner.startTransition(
+                testScope,
+                TransitionInfo(
+                    ownerName = "",
+                    from = KeyguardState.LOCKSCREEN,
+                    to = KeyguardState.OCCLUDED,
+                    animator =
+                        ValueAnimator().apply {
+                            duration = 10
+                            interpolator = Interpolators.LINEAR
+                        },
+                )
+            )
+            runCurrent()
+            reset(mockTransitionRepository)
+
+            // WHEN the device begins to sleep
+            keyguardRepository.setWakefulnessModel(startingToSleep())
+            runCurrent()
+
+            val info =
+                withArgCaptor<TransitionInfo> {
+                    verify(mockTransitionRepository).startTransition(capture())
+                }
+            // THEN a transition to DOZING should occur
+            assertThat(info.ownerName).isEqualTo("FromOccludedTransitionInteractor")
+            assertThat(info.from).isEqualTo(KeyguardState.OCCLUDED)
+            assertThat(info.to).isEqualTo(KeyguardState.DOZING)
+            assertThat(info.animator).isNotNull()
+
+            coroutineContext.cancelChildren()
+        }
+
+    @Test
+    fun `OCCLUDED to AOD`() =
+        testScope.runTest {
+            // GIVEN a device with AOD available
+            keyguardRepository.setAodAvailable(true)
+            runCurrent()
+
+            // GIVEN a prior transition has run to OCCLUDED
+            runner.startTransition(
+                testScope,
+                TransitionInfo(
+                    ownerName = "",
+                    from = KeyguardState.LOCKSCREEN,
+                    to = KeyguardState.OCCLUDED,
+                    animator =
+                        ValueAnimator().apply {
+                            duration = 10
+                            interpolator = Interpolators.LINEAR
+                        },
+                )
+            )
+            runCurrent()
+            reset(mockTransitionRepository)
+
+            // WHEN the device begins to sleep
+            keyguardRepository.setWakefulnessModel(startingToSleep())
+            runCurrent()
+
+            val info =
+                withArgCaptor<TransitionInfo> {
+                    verify(mockTransitionRepository).startTransition(capture())
+                }
+            // THEN a transition to DOZING should occur
+            assertThat(info.ownerName).isEqualTo("FromOccludedTransitionInteractor")
+            assertThat(info.from).isEqualTo(KeyguardState.OCCLUDED)
+            assertThat(info.to).isEqualTo(KeyguardState.AOD)
+            assertThat(info.animator).isNotNull()
+
+            coroutineContext.cancelChildren()
+        }
+
+    @Test
+    fun `LOCKSCREEN to DOZING`() =
+        testScope.runTest {
+            // GIVEN a device with AOD not available
+            keyguardRepository.setAodAvailable(false)
+            runCurrent()
+
+            // GIVEN a prior transition has run to LOCKSCREEN
+            runner.startTransition(
+                testScope,
+                TransitionInfo(
+                    ownerName = "",
+                    from = KeyguardState.GONE,
+                    to = KeyguardState.LOCKSCREEN,
+                    animator =
+                        ValueAnimator().apply {
+                            duration = 10
+                            interpolator = Interpolators.LINEAR
+                        },
+                )
+            )
+            runCurrent()
+            reset(mockTransitionRepository)
+
+            // WHEN the device begins to sleep
+            keyguardRepository.setWakefulnessModel(startingToSleep())
+            runCurrent()
+
+            val info =
+                withArgCaptor<TransitionInfo> {
+                    verify(mockTransitionRepository).startTransition(capture())
+                }
+            // THEN a transition to DOZING should occur
+            assertThat(info.ownerName).isEqualTo("FromLockscreenTransitionInteractor")
+            assertThat(info.from).isEqualTo(KeyguardState.LOCKSCREEN)
+            assertThat(info.to).isEqualTo(KeyguardState.DOZING)
+            assertThat(info.animator).isNotNull()
+
+            coroutineContext.cancelChildren()
+        }
+
+    @Test
+    fun `LOCKSCREEN to AOD`() =
+        testScope.runTest {
+            // GIVEN a device with AOD available
+            keyguardRepository.setAodAvailable(true)
+            runCurrent()
+
+            // GIVEN a prior transition has run to LOCKSCREEN
+            runner.startTransition(
+                testScope,
+                TransitionInfo(
+                    ownerName = "",
+                    from = KeyguardState.GONE,
+                    to = KeyguardState.LOCKSCREEN,
+                    animator =
+                        ValueAnimator().apply {
+                            duration = 10
+                            interpolator = Interpolators.LINEAR
+                        },
+                )
+            )
+            runCurrent()
+            reset(mockTransitionRepository)
+
+            // WHEN the device begins to sleep
+            keyguardRepository.setWakefulnessModel(startingToSleep())
+            runCurrent()
+
+            val info =
+                withArgCaptor<TransitionInfo> {
+                    verify(mockTransitionRepository).startTransition(capture())
+                }
+            // THEN a transition to DOZING should occur
+            assertThat(info.ownerName).isEqualTo("FromLockscreenTransitionInteractor")
+            assertThat(info.from).isEqualTo(KeyguardState.LOCKSCREEN)
+            assertThat(info.to).isEqualTo(KeyguardState.AOD)
+            assertThat(info.animator).isNotNull()
+
+            coroutineContext.cancelChildren()
+        }
+
+    @Test
+    fun `DOZING to LOCKSCREEN`() =
+        testScope.runTest {
+            // GIVEN a prior transition has run to DOZING
+            runner.startTransition(
+                testScope,
+                TransitionInfo(
+                    ownerName = "",
+                    from = KeyguardState.LOCKSCREEN,
+                    to = KeyguardState.DOZING,
+                    animator =
+                        ValueAnimator().apply {
+                            duration = 10
+                            interpolator = Interpolators.LINEAR
+                        },
+                )
+            )
+            runCurrent()
+            reset(mockTransitionRepository)
+
+            // WHEN the device begins to wake
+            keyguardRepository.setWakefulnessModel(startingToWake())
+            runCurrent()
+
+            val info =
+                withArgCaptor<TransitionInfo> {
+                    verify(mockTransitionRepository).startTransition(capture())
+                }
+            // THEN a transition to DOZING should occur
+            assertThat(info.ownerName).isEqualTo("FromDozingTransitionInteractor")
+            assertThat(info.from).isEqualTo(KeyguardState.DOZING)
+            assertThat(info.to).isEqualTo(KeyguardState.LOCKSCREEN)
+            assertThat(info.animator).isNotNull()
+
+            coroutineContext.cancelChildren()
+        }
+
+    @Test
+    fun `GONE to DOZING`() =
+        testScope.runTest {
+            // GIVEN a device with AOD not available
+            keyguardRepository.setAodAvailable(false)
+            runCurrent()
+
+            // GIVEN a prior transition has run to GONE
+            runner.startTransition(
+                testScope,
+                TransitionInfo(
+                    ownerName = "",
+                    from = KeyguardState.LOCKSCREEN,
+                    to = KeyguardState.GONE,
+                    animator =
+                        ValueAnimator().apply {
+                            duration = 10
+                            interpolator = Interpolators.LINEAR
+                        },
+                )
+            )
+            runCurrent()
+            reset(mockTransitionRepository)
+
+            // WHEN the device begins to sleep
+            keyguardRepository.setWakefulnessModel(startingToSleep())
+            runCurrent()
+
+            val info =
+                withArgCaptor<TransitionInfo> {
+                    verify(mockTransitionRepository).startTransition(capture())
+                }
+            // THEN a transition to DOZING should occur
+            assertThat(info.ownerName).isEqualTo("FromGoneTransitionInteractor")
+            assertThat(info.from).isEqualTo(KeyguardState.GONE)
+            assertThat(info.to).isEqualTo(KeyguardState.DOZING)
+            assertThat(info.animator).isNotNull()
+
+            coroutineContext.cancelChildren()
+        }
+
+    @Test
+    fun `GONE to AOD`() =
+        testScope.runTest {
+            // GIVEN a device with AOD available
+            keyguardRepository.setAodAvailable(true)
+            runCurrent()
+
+            // GIVEN a prior transition has run to GONE
+            runner.startTransition(
+                testScope,
+                TransitionInfo(
+                    ownerName = "",
+                    from = KeyguardState.LOCKSCREEN,
+                    to = KeyguardState.GONE,
+                    animator =
+                        ValueAnimator().apply {
+                            duration = 10
+                            interpolator = Interpolators.LINEAR
+                        },
+                )
+            )
+            runCurrent()
+            reset(mockTransitionRepository)
+
+            // WHEN the device begins to sleep
+            keyguardRepository.setWakefulnessModel(startingToSleep())
+            runCurrent()
+
+            val info =
+                withArgCaptor<TransitionInfo> {
+                    verify(mockTransitionRepository).startTransition(capture())
+                }
+            // THEN a transition to DOZING should occur
+            assertThat(info.ownerName).isEqualTo("FromGoneTransitionInteractor")
+            assertThat(info.from).isEqualTo(KeyguardState.GONE)
+            assertThat(info.to).isEqualTo(KeyguardState.AOD)
+            assertThat(info.animator).isNotNull()
+
+            coroutineContext.cancelChildren()
+        }
+
     private fun startingToWake() =
         WakefulnessModel(
             WakefulnessState.STARTING_TO_WAKE,
@@ -199,4 +522,12 @@ class KeyguardTransitionScenariosTest : SysuiTestCase() {
             WakeSleepReason.OTHER,
             WakeSleepReason.OTHER
         )
+
+    private fun startingToSleep() =
+        WakefulnessModel(
+            WakefulnessState.STARTING_TO_SLEEP,
+            true,
+            WakeSleepReason.OTHER,
+            WakeSleepReason.OTHER
+        )
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java
index 077b41a0aa90..c8438501b3e6 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java
@@ -23,6 +23,10 @@ import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.content.res.Resources;
@@ -39,10 +43,9 @@ import com.android.systemui.SysuiTestCase;
 import com.android.systemui.doze.AlwaysOnDisplayPolicy;
 import com.android.systemui.doze.DozeScreenState;
 import com.android.systemui.dump.DumpManager;
-import com.android.systemui.flags.FeatureFlags;
-import com.android.systemui.flags.Flags;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
 import com.android.systemui.statusbar.policy.BatteryController;
+import com.android.systemui.statusbar.policy.BatteryController.BatteryStateChangeCallback;
 import com.android.systemui.statusbar.policy.ConfigurationController;
 import com.android.systemui.tuner.TunerService;
 import com.android.systemui.unfold.FoldAodAnimationController;
@@ -52,6 +55,8 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
@@ -69,7 +74,6 @@ public class DozeParametersTest extends SysuiTestCase {
     @Mock private PowerManager mPowerManager;
     @Mock private TunerService mTunerService;
     @Mock private BatteryController mBatteryController;
-    @Mock private FeatureFlags mFeatureFlags;
     @Mock private DumpManager mDumpManager;
     @Mock private ScreenOffAnimationController mScreenOffAnimationController;
     @Mock private FoldAodAnimationController mFoldAodAnimationController;
@@ -78,6 +82,7 @@ public class DozeParametersTest extends SysuiTestCase {
     @Mock private KeyguardUpdateMonitor mKeyguardUpdateMonitor;
     @Mock private StatusBarStateController mStatusBarStateController;
     @Mock private ConfigurationController mConfigurationController;
+    @Captor private ArgumentCaptor<BatteryStateChangeCallback> mBatteryStateChangeCallback;
 
     /**
      * The current value of PowerManager's dozeAfterScreenOff property.
@@ -113,7 +118,6 @@ public class DozeParametersTest extends SysuiTestCase {
             mBatteryController,
             mTunerService,
             mDumpManager,
-            mFeatureFlags,
             mScreenOffAnimationController,
             Optional.of(mSysUIUnfoldComponent),
             mUnlockedScreenOffAnimationController,
@@ -122,7 +126,8 @@ public class DozeParametersTest extends SysuiTestCase {
             mStatusBarStateController
         );
 
-        when(mFeatureFlags.isEnabled(Flags.LOCKSCREEN_ANIMATIONS)).thenReturn(true);
+        verify(mBatteryController).addCallback(mBatteryStateChangeCallback.capture());
+
         setAodEnabledForTest(true);
         setShouldControlUnlockedScreenOffForTest(true);
         setDisplayNeedsBlankingForTest(false);
@@ -173,6 +178,29 @@ public class DozeParametersTest extends SysuiTestCase {
         assertThat(mDozeParameters.getAlwaysOn()).isFalse();
     }
 
+    @Test
+    public void testGetAlwaysOn_whenBatterySaverCallback() {
+        DozeParameters.Callback callback = mock(DozeParameters.Callback.class);
+        mDozeParameters.addCallback(callback);
+
+        when(mAmbientDisplayConfiguration.alwaysOnEnabled(anyInt())).thenReturn(true);
+        when(mBatteryController.isAodPowerSave()).thenReturn(true);
+
+        // Both lines should trigger an event
+        mDozeParameters.onTuningChanged(Settings.Secure.DOZE_ALWAYS_ON, "1");
+        mBatteryStateChangeCallback.getValue().onPowerSaveChanged(true);
+
+        verify(callback, times(2)).onAlwaysOnChange();
+        assertThat(mDozeParameters.getAlwaysOn()).isFalse();
+
+        reset(callback);
+        when(mBatteryController.isAodPowerSave()).thenReturn(false);
+        mBatteryStateChangeCallback.getValue().onPowerSaveChanged(true);
+
+        verify(callback).onAlwaysOnChange();
+        assertThat(mDozeParameters.getAlwaysOn()).isTrue();
+    }
+
     /**
      * PowerManager.setDozeAfterScreenOff(true) means we are not controlling screen off, and calling
      * it with false means we are. Confusing, but sure - make sure that we call PowerManager with
@@ -196,17 +224,6 @@ public class DozeParametersTest extends SysuiTestCase {
     }
 
     @Test
-    public void testControlUnlockedScreenOffAnimationDisabled_dozeAfterScreenOff() {
-        when(mFeatureFlags.isEnabled(Flags.LOCKSCREEN_ANIMATIONS)).thenReturn(false);
-
-        assertFalse(mDozeParameters.shouldControlUnlockedScreenOff());
-
-        // Trigger the setter for the current value.
-        mDozeParameters.setControlScreenOffAnimation(mDozeParameters.shouldControlScreenOff());
-        assertFalse(mDozeParameters.shouldControlScreenOff());
-    }
-
-    @Test
     public void propagatesAnimateScreenOff_noAlwaysOn() {
         setAodEnabledForTest(false);
         setDisplayNeedsBlankingForTest(false);
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/data/repository/FakeKeyguardRepository.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/data/repository/FakeKeyguardRepository.kt
index 39d2ecaef51a..15b473640de7 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/data/repository/FakeKeyguardRepository.kt
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/data/repository/FakeKeyguardRepository.kt
@@ -52,6 +52,9 @@ class FakeKeyguardRepository : KeyguardRepository {
     private val _isDozing = MutableStateFlow(false)
     override val isDozing: Flow<Boolean> = _isDozing
 
+    private val _isAodAvailable = MutableStateFlow(false)
+    override val isAodAvailable: Flow<Boolean> = _isAodAvailable
+
     private val _isDreaming = MutableStateFlow(false)
     override val isDreaming: Flow<Boolean> = _isDreaming
 
@@ -126,6 +129,10 @@ class FakeKeyguardRepository : KeyguardRepository {
         _isDozing.value = isDozing
     }
 
+    fun setAodAvailable(isAodAvailable: Boolean) {
+        _isAodAvailable.value = isAodAvailable
+    }
+
     fun setDreamingWithOverlay(isDreaming: Boolean) {
         _isDreamingWithOverlay.value = isDreaming
     }