Merge "Individually track vis duration of unseen notifs" into udc-qpr-dev
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinator.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinator.kt
index 2fa070c..07eb8a00 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinator.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinator.kt
@@ -28,12 +28,9 @@
 import com.android.systemui.keyguard.data.repository.KeyguardRepository
 import com.android.systemui.keyguard.data.repository.KeyguardTransitionRepository
 import com.android.systemui.keyguard.shared.model.KeyguardState
-import com.android.systemui.keyguard.shared.model.TransitionState
-import com.android.systemui.keyguard.shared.model.TransitionStep
 import com.android.systemui.plugins.statusbar.StatusBarStateController
 import com.android.systemui.statusbar.StatusBarState
 import com.android.systemui.statusbar.expansionChanges
-import com.android.systemui.statusbar.notification.NotifPipelineFlags
 import com.android.systemui.statusbar.notification.collection.NotifPipeline
 import com.android.systemui.statusbar.notification.collection.NotificationEntry
 import com.android.systemui.statusbar.notification.collection.coordinator.dagger.CoordinatorScope
@@ -50,30 +47,29 @@
 import com.android.systemui.util.settings.SettingsProxyExt.observerFlow
 import java.io.PrintWriter
 import javax.inject.Inject
-import kotlin.time.Duration
 import kotlin.time.Duration.Companion.seconds
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.flow.distinctUntilChanged
-import kotlinx.coroutines.flow.emitAll
-import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.onStart
-import kotlinx.coroutines.flow.transformLatest
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.yield
 
 /**
  * Filters low priority and privacy-sensitive notifications from the lockscreen, and hides section
- * headers on the lockscreen.
+ * headers on the lockscreen. If enabled, it will also track and hide seen notifications on the
+ * lockscreen.
  */
 @CoordinatorScope
 class KeyguardCoordinator
@@ -86,7 +82,6 @@
     private val keyguardRepository: KeyguardRepository,
     private val keyguardTransitionRepository: KeyguardTransitionRepository,
     private val logger: KeyguardCoordinatorLogger,
-    private val notifPipelineFlags: NotifPipelineFlags,
     @Application private val scope: CoroutineScope,
     private val sectionHeaderVisibilityProvider: SectionHeaderVisibilityProvider,
     private val secureSettings: SecureSettings,
@@ -95,6 +90,8 @@
 ) : Coordinator, Dumpable {
 
     private val unseenNotifications = mutableSetOf<NotificationEntry>()
+    private val unseenEntryAdded = MutableSharedFlow<NotificationEntry>(extraBufferCapacity = 1)
+    private val unseenEntryRemoved = MutableSharedFlow<NotificationEntry>(extraBufferCapacity = 1)
     private var unseenFilterEnabled = false
 
     override fun attach(pipeline: NotifPipeline) {
@@ -109,79 +106,130 @@
     private fun attachUnseenFilter(pipeline: NotifPipeline) {
         pipeline.addFinalizeFilter(unseenNotifFilter)
         pipeline.addCollectionListener(collectionListener)
-        scope.launch { trackUnseenNotificationsWhileUnlocked() }
-        scope.launch { invalidateWhenUnseenSettingChanges() }
+        scope.launch { trackUnseenFilterSettingChanges() }
         dumpManager.registerDumpable(this)
     }
 
-    private suspend fun trackUnseenNotificationsWhileUnlocked() {
-        // Whether or not we're actively tracking unseen notifications to mark them as seen when
-        // appropriate.
-        val isTrackingUnseen: Flow<Boolean> =
-            keyguardRepository.isKeyguardShowing
-                // transformLatest so that we can cancel listening to keyguard transitions once
-                // isKeyguardShowing changes (after a successful transition to the keyguard).
-                .transformLatest { isShowing ->
-                    if (isShowing) {
-                        // If the keyguard is showing, we're not tracking unseen.
-                        emit(false)
-                    } else {
-                        // If the keyguard stops showing, then start tracking unseen notifications.
-                        emit(true)
-                        // If the screen is turning off, stop tracking, but if that transition is
-                        // cancelled, then start again.
-                        emitAll(
-                            keyguardTransitionRepository.transitions.map { step ->
-                                !step.isScreenTurningOff
-                            }
-                        )
-                    }
-                }
-                // Prevent double emit of `false` caused by transition to AOD, followed by keyguard
-                // showing
+    private suspend fun trackSeenNotifications() {
+        // Whether or not keyguard is visible (or occluded).
+        val isKeyguardPresent: Flow<Boolean> =
+            keyguardTransitionRepository.transitions
+                .map { step -> step.to != KeyguardState.GONE }
                 .distinctUntilChanged()
                 .onEach { trackingUnseen -> logger.logTrackingUnseen(trackingUnseen) }
 
-        // Use collectLatest so that trackUnseenNotifications() is cancelled when the keyguard is
-        // showing again
-        var clearUnseenOnBeginTracking = false
-        isTrackingUnseen.collectLatest { trackingUnseen ->
-            if (!trackingUnseen) {
-                // Wait for the user to spend enough time on the lock screen before clearing unseen
-                // set when unlocked
-                awaitTimeSpentNotDozing(SEEN_TIMEOUT)
-                clearUnseenOnBeginTracking = true
-                logger.logSeenOnLockscreen()
+        // Separately track seen notifications while the device is locked, applying once the device
+        // is unlocked.
+        val notificationsSeenWhileLocked = mutableSetOf<NotificationEntry>()
+
+        // Use [collectLatest] to cancel any running jobs when [trackingUnseen] changes.
+        isKeyguardPresent.collectLatest { isKeyguardPresent: Boolean ->
+            if (isKeyguardPresent) {
+                // Keyguard is not gone, notifications need to be visible for a certain threshold
+                // before being marked as seen
+                trackSeenNotificationsWhileLocked(notificationsSeenWhileLocked)
             } else {
-                if (clearUnseenOnBeginTracking) {
-                    clearUnseenOnBeginTracking = false
-                    logger.logAllMarkedSeenOnUnlock()
-                    unseenNotifications.clear()
+                // Mark all seen-while-locked notifications as seen for real.
+                if (notificationsSeenWhileLocked.isNotEmpty()) {
+                    unseenNotifications.removeAll(notificationsSeenWhileLocked)
+                    logger.logAllMarkedSeenOnUnlock(
+                        seenCount = notificationsSeenWhileLocked.size,
+                        remainingUnseenCount = unseenNotifications.size
+                    )
+                    notificationsSeenWhileLocked.clear()
                 }
                 unseenNotifFilter.invalidateList("keyguard no longer showing")
-                trackUnseenNotifications()
+                // Keyguard is gone, notifications can be immediately marked as seen when they
+                // become visible.
+                trackSeenNotificationsWhileUnlocked()
             }
         }
     }
 
-    private suspend fun awaitTimeSpentNotDozing(duration: Duration) {
-        keyguardRepository.isDozing
-            // Use transformLatest so that the timeout delay is cancelled if the device enters doze,
-            // and is restarted when doze ends.
-            .transformLatest { isDozing ->
-                if (!isDozing) {
-                    delay(duration)
-                    // Signal timeout has completed
-                    emit(Unit)
+    /**
+     * Keep [notificationsSeenWhileLocked] updated to represent which notifications have actually
+     * been "seen" while the device is on the keyguard.
+     */
+    private suspend fun trackSeenNotificationsWhileLocked(
+        notificationsSeenWhileLocked: MutableSet<NotificationEntry>,
+    ) = coroutineScope {
+        // Remove removed notifications from the set
+        launch {
+            unseenEntryRemoved.collect { entry ->
+                if (notificationsSeenWhileLocked.remove(entry)) {
+                    logger.logRemoveSeenOnLockscreen(entry)
                 }
             }
-            // Suspend until the first emission
-            .first()
+        }
+        // Use collectLatest so that the timeout delay is cancelled if the device enters doze, and
+        // is restarted when doze ends.
+        keyguardRepository.isDozing.collectLatest { isDozing ->
+            if (!isDozing) {
+                trackSeenNotificationsWhileLockedAndNotDozing(notificationsSeenWhileLocked)
+            }
+        }
     }
 
-    // Track "unseen" notifications, marking them as seen when either shade is expanded or the
+    /**
+     * Keep [notificationsSeenWhileLocked] updated to represent which notifications have actually
+     * been "seen" while the device is on the keyguard and not dozing. Any new and existing unseen
+     * notifications are not marked as seen until they are visible for the [SEEN_TIMEOUT] duration.
+     */
+    private suspend fun trackSeenNotificationsWhileLockedAndNotDozing(
+        notificationsSeenWhileLocked: MutableSet<NotificationEntry>
+    ) = coroutineScope {
+        // All child tracking jobs will be cancelled automatically when this is cancelled.
+        val trackingJobsByEntry = mutableMapOf<NotificationEntry, Job>()
+
+        /**
+         * Wait for the user to spend enough time on the lock screen before removing notification
+         * from unseen set upon unlock.
+         */
+        suspend fun trackSeenDurationThreshold(entry: NotificationEntry) {
+            if (notificationsSeenWhileLocked.remove(entry)) {
+                logger.logResetSeenOnLockscreen(entry)
+            }
+            delay(SEEN_TIMEOUT)
+            notificationsSeenWhileLocked.add(entry)
+            trackingJobsByEntry.remove(entry)
+            logger.logSeenOnLockscreen(entry)
+        }
+
+        /** Stop any unseen tracking when a notification is removed. */
+        suspend fun stopTrackingRemovedNotifs(): Nothing =
+            unseenEntryRemoved.collect { entry ->
+                trackingJobsByEntry.remove(entry)?.let {
+                    it.cancel()
+                    logger.logStopTrackingLockscreenSeenDuration(entry)
+                }
+            }
+
+        /** Start tracking new notifications when they are posted. */
+        suspend fun trackNewUnseenNotifs(): Nothing = coroutineScope {
+            unseenEntryAdded.collect { entry ->
+                logger.logTrackingLockscreenSeenDuration(entry)
+                // If this is an update, reset the tracking.
+                trackingJobsByEntry[entry]?.let {
+                    it.cancel()
+                    logger.logResetSeenOnLockscreen(entry)
+                }
+                trackingJobsByEntry[entry] = launch { trackSeenDurationThreshold(entry) }
+            }
+        }
+
+        // Start tracking for all notifications that are currently unseen.
+        logger.logTrackingLockscreenSeenDuration(unseenNotifications)
+        unseenNotifications.forEach { entry ->
+            trackingJobsByEntry[entry] = launch { trackSeenDurationThreshold(entry) }
+        }
+
+        launch { trackNewUnseenNotifs() }
+        launch { stopTrackingRemovedNotifs() }
+    }
+
+    // Track "seen" notifications, marking them as such when either shade is expanded or the
     // notification becomes heads up.
-    private suspend fun trackUnseenNotifications() {
+    private suspend fun trackSeenNotificationsWhileUnlocked() {
         coroutineScope {
             launch { clearUnseenNotificationsWhenShadeIsExpanded() }
             launch { markHeadsUpNotificationsAsSeen() }
@@ -212,7 +260,7 @@
         }
     }
 
-    private suspend fun invalidateWhenUnseenSettingChanges() {
+    private suspend fun trackUnseenFilterSettingChanges() {
         secureSettings
             // emit whenever the setting has changed
             .observerFlow(
@@ -228,17 +276,23 @@
                     UserHandle.USER_CURRENT,
                 ) == 1
             }
+            // don't emit anything if nothing has changed
+            .distinctUntilChanged()
             // perform lookups on the bg thread pool
             .flowOn(bgDispatcher)
             // only track the most recent emission, if events are happening faster than they can be
             // consumed
             .conflate()
-            // update local field and invalidate if necessary
-            .collect { setting ->
+            .collectLatest { setting ->
+                // update local field and invalidate if necessary
                 if (setting != unseenFilterEnabled) {
                     unseenFilterEnabled = setting
                     unseenNotifFilter.invalidateList("unseen setting changed")
                 }
+                // if the setting is enabled, then start tracking and filtering unseen notifications
+                if (setting) {
+                    trackSeenNotifications()
+                }
             }
     }
 
@@ -250,6 +304,7 @@
                 ) {
                     logger.logUnseenAdded(entry.key)
                     unseenNotifications.add(entry)
+                    unseenEntryAdded.tryEmit(entry)
                 }
             }
 
@@ -259,12 +314,14 @@
                 ) {
                     logger.logUnseenUpdated(entry.key)
                     unseenNotifications.add(entry)
+                    unseenEntryAdded.tryEmit(entry)
                 }
             }
 
             override fun onEntryRemoved(entry: NotificationEntry, reason: Int) {
                 if (unseenNotifications.remove(entry)) {
                     logger.logUnseenRemoved(entry.key)
+                    unseenEntryRemoved.tryEmit(entry)
                 }
             }
         }
@@ -347,6 +404,3 @@
         private val SEEN_TIMEOUT = 5.seconds
     }
 }
-
-private val TransitionStep.isScreenTurningOff: Boolean
-    get() = transitionState == TransitionState.STARTED && to != KeyguardState.GONE
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinatorLogger.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinatorLogger.kt
index 4c33524..788659e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinatorLogger.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinatorLogger.kt
@@ -19,6 +19,7 @@
 import com.android.systemui.log.LogBuffer
 import com.android.systemui.log.core.LogLevel
 import com.android.systemui.log.dagger.UnseenNotificationLog
+import com.android.systemui.statusbar.notification.collection.NotificationEntry
 import javax.inject.Inject
 
 private const val TAG = "KeyguardCoordinator"
@@ -28,11 +29,14 @@
 constructor(
     @UnseenNotificationLog private val buffer: LogBuffer,
 ) {
-    fun logSeenOnLockscreen() =
+    fun logSeenOnLockscreen(entry: NotificationEntry) =
         buffer.log(
             TAG,
             LogLevel.DEBUG,
-            "Notifications on lockscreen will be marked as seen when unlocked."
+            messageInitializer = { str1 = entry.key },
+            messagePrinter = {
+                "Notification [$str1] on lockscreen will be marked as seen when unlocked."
+            },
         )
 
     fun logTrackingUnseen(trackingUnseen: Boolean) =
@@ -43,11 +47,21 @@
             messagePrinter = { "${if (bool1) "Start" else "Stop"} tracking unseen notifications." },
         )
 
-    fun logAllMarkedSeenOnUnlock() =
+    fun logAllMarkedSeenOnUnlock(
+        seenCount: Int,
+        remainingUnseenCount: Int,
+    ) =
         buffer.log(
             TAG,
             LogLevel.DEBUG,
-            "Notifications have been marked as seen now that device is unlocked."
+            messageInitializer = {
+                int1 = seenCount
+                int2 = remainingUnseenCount
+            },
+            messagePrinter = {
+                "$int1 Notifications have been marked as seen now that device is unlocked. " +
+                    "$int2 notifications remain unseen."
+            },
         )
 
     fun logShadeExpanded() =
@@ -96,4 +110,60 @@
             messageInitializer = { str1 = key },
             messagePrinter = { "Unseen notif has become heads up: $str1" },
         )
+
+    fun logTrackingLockscreenSeenDuration(unseenNotifications: Set<NotificationEntry>) {
+        buffer.log(
+            TAG,
+            LogLevel.DEBUG,
+            messageInitializer = {
+                str1 = unseenNotifications.joinToString { it.key }
+                int1 = unseenNotifications.size
+            },
+            messagePrinter = {
+                "Tracking $int1 unseen notifications for lockscreen seen duration threshold: $str1"
+            },
+        )
+    }
+
+    fun logTrackingLockscreenSeenDuration(entry: NotificationEntry) {
+        buffer.log(
+            TAG,
+            LogLevel.DEBUG,
+            messageInitializer = { str1 = entry.key },
+            messagePrinter = {
+                "Tracking new notification for lockscreen seen duration threshold: $str1"
+            },
+        )
+    }
+
+    fun logStopTrackingLockscreenSeenDuration(entry: NotificationEntry) {
+        buffer.log(
+            TAG,
+            LogLevel.DEBUG,
+            messageInitializer = { str1 = entry.key },
+            messagePrinter = {
+                "Stop tracking removed notification for lockscreen seen duration threshold: $str1"
+            },
+        )
+    }
+
+    fun logResetSeenOnLockscreen(entry: NotificationEntry) {
+        buffer.log(
+            TAG,
+            LogLevel.DEBUG,
+            messageInitializer = { str1 = entry.key },
+            messagePrinter = {
+                "Reset tracking updated notification for lockscreen seen duration threshold: $str1"
+            },
+        )
+    }
+
+    fun logRemoveSeenOnLockscreen(entry: NotificationEntry) {
+        buffer.log(
+            TAG,
+            LogLevel.DEBUG,
+            messageInitializer = { str1 = entry.key },
+            messagePrinter = { "Notification marked as seen on lockscreen removed: $str1" },
+        )
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinatorTest.kt b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinatorTest.kt
index 2fbe871..ea70e9e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinatorTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinatorTest.kt
@@ -32,7 +32,6 @@
 import com.android.systemui.keyguard.shared.model.TransitionStep
 import com.android.systemui.plugins.statusbar.StatusBarStateController
 import com.android.systemui.statusbar.StatusBarState
-import com.android.systemui.statusbar.notification.NotifPipelineFlags
 import com.android.systemui.statusbar.notification.collection.GroupEntryBuilder
 import com.android.systemui.statusbar.notification.collection.NotifPipeline
 import com.android.systemui.statusbar.notification.collection.NotificationEntryBuilder
@@ -46,11 +45,14 @@
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow
 import com.android.systemui.statusbar.policy.HeadsUpManager
 import com.android.systemui.statusbar.policy.OnHeadsUpChangedListener
+import com.android.systemui.util.mockito.any
 import com.android.systemui.util.mockito.eq
 import com.android.systemui.util.mockito.mock
 import com.android.systemui.util.mockito.withArgCaptor
 import com.android.systemui.util.settings.FakeSettings
 import com.google.common.truth.Truth.assertThat
+import java.util.function.Consumer
+import kotlin.time.Duration.Companion.seconds
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.TestCoroutineScheduler
@@ -62,9 +64,8 @@
 import org.mockito.ArgumentMatchers.same
 import org.mockito.Mockito.anyString
 import org.mockito.Mockito.clearInvocations
+import org.mockito.Mockito.never
 import org.mockito.Mockito.verify
-import java.util.function.Consumer
-import kotlin.time.Duration.Companion.seconds
 import org.mockito.Mockito.`when` as whenever
 
 @SmallTest
@@ -75,7 +76,6 @@
     private val keyguardNotifVisibilityProvider: KeyguardNotificationVisibilityProvider = mock()
     private val keyguardRepository = FakeKeyguardRepository()
     private val keyguardTransitionRepository = FakeKeyguardTransitionRepository()
-    private val notifPipelineFlags: NotifPipelineFlags = mock()
     private val notifPipeline: NotifPipeline = mock()
     private val sectionHeaderVisibilityProvider: SectionHeaderVisibilityProvider = mock()
     private val statusBarStateController: StatusBarStateController = mock()
@@ -136,13 +136,8 @@
             )
             testScheduler.runCurrent()
 
-            // WHEN: The shade is expanded
-            whenever(statusBarStateController.isExpanded).thenReturn(true)
-            statusBarStateListener.onExpandedChanged(true)
-            testScheduler.runCurrent()
-
-            // THEN: The notification is still treated as "unseen" and is not filtered out.
-            assertThat(unseenFilter.shouldFilterOut(fakeEntry, 0L)).isFalse()
+            // THEN: We are no longer listening for shade expansions
+            verify(statusBarStateController, never()).addCallback(any())
         }
     }
 
@@ -152,6 +147,10 @@
         keyguardRepository.setKeyguardShowing(false)
         whenever(statusBarStateController.isExpanded).thenReturn(false)
         runKeyguardCoordinatorTest {
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.LOCKSCREEN, to = KeyguardState.GONE)
+            )
+
             // WHEN: A notification is posted
             val fakeEntry = NotificationEntryBuilder().build()
             collectionListener.onEntryAdded(fakeEntry)
@@ -162,6 +161,9 @@
 
             // WHEN: The keyguard is now showing
             keyguardRepository.setKeyguardShowing(true)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.GONE, to = KeyguardState.AOD)
+            )
             testScheduler.runCurrent()
 
             // THEN: The notification is recognized as "seen" and is filtered out.
@@ -169,6 +171,9 @@
 
             // WHEN: The keyguard goes away
             keyguardRepository.setKeyguardShowing(false)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.AOD, to = KeyguardState.GONE)
+            )
             testScheduler.runCurrent()
 
             // THEN: The notification is shown regardless
@@ -182,9 +187,10 @@
         keyguardRepository.setKeyguardShowing(false)
         whenever(statusBarStateController.isExpanded).thenReturn(true)
         runKeyguardCoordinatorTest {
-            val fakeEntry = NotificationEntryBuilder()
+            val fakeEntry =
+                NotificationEntryBuilder()
                     .setNotification(Notification.Builder(mContext, "id").setOngoing(true).build())
-                .build()
+                    .build()
             collectionListener.onEntryAdded(fakeEntry)
 
             // WHEN: The keyguard is now showing
@@ -202,11 +208,13 @@
         keyguardRepository.setKeyguardShowing(false)
         whenever(statusBarStateController.isExpanded).thenReturn(true)
         runKeyguardCoordinatorTest {
-            val fakeEntry = NotificationEntryBuilder().build().apply {
-                row = mock<ExpandableNotificationRow>().apply {
-                    whenever(isMediaRow).thenReturn(true)
+            val fakeEntry =
+                NotificationEntryBuilder().build().apply {
+                    row =
+                        mock<ExpandableNotificationRow>().apply {
+                            whenever(isMediaRow).thenReturn(true)
+                        }
                 }
-            }
             collectionListener.onEntryAdded(fakeEntry)
 
             // WHEN: The keyguard is now showing
@@ -299,14 +307,12 @@
         runKeyguardCoordinatorTest {
             // WHEN: A new notification is posted
             val fakeSummary = NotificationEntryBuilder().build()
-            val fakeChild = NotificationEntryBuilder()
+            val fakeChild =
+                NotificationEntryBuilder()
                     .setGroup(context, "group")
                     .setGroupSummary(context, false)
                     .build()
-            GroupEntryBuilder()
-                    .setSummary(fakeSummary)
-                    .addChild(fakeChild)
-                    .build()
+            GroupEntryBuilder().setSummary(fakeSummary).addChild(fakeChild).build()
 
             collectionListener.onEntryAdded(fakeSummary)
             collectionListener.onEntryAdded(fakeChild)
@@ -331,6 +337,10 @@
         runKeyguardCoordinatorTest {
             val fakeEntry = NotificationEntryBuilder().build()
             collectionListener.onEntryAdded(fakeEntry)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.AOD, to = KeyguardState.LOCKSCREEN)
+            )
+            testScheduler.runCurrent()
 
             // WHEN: five seconds have passed
             testScheduler.advanceTimeBy(5.seconds)
@@ -338,10 +348,16 @@
 
             // WHEN: Keyguard is no longer showing
             keyguardRepository.setKeyguardShowing(false)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.LOCKSCREEN, to = KeyguardState.GONE)
+            )
             testScheduler.runCurrent()
 
             // WHEN: Keyguard is shown again
             keyguardRepository.setKeyguardShowing(true)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.GONE, to = KeyguardState.AOD)
+            )
             testScheduler.runCurrent()
 
             // THEN: The notification is now recognized as "seen" and is filtered out.
@@ -354,11 +370,17 @@
         // GIVEN: Keyguard is showing, unseen notification is present
         keyguardRepository.setKeyguardShowing(true)
         runKeyguardCoordinatorTest {
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.GONE, to = KeyguardState.LOCKSCREEN)
+            )
             val fakeEntry = NotificationEntryBuilder().build()
             collectionListener.onEntryAdded(fakeEntry)
 
             // WHEN: Keyguard is no longer showing
             keyguardRepository.setKeyguardShowing(false)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.LOCKSCREEN, to = KeyguardState.GONE)
+            )
 
             // WHEN: Keyguard is shown again
             keyguardRepository.setKeyguardShowing(true)
@@ -369,14 +391,212 @@
         }
     }
 
+    @Test
+    fun unseenNotificationIsNotMarkedAsSeenIfNotOnKeyguardLongEnough() {
+        // GIVEN: Keyguard is showing, not dozing, unseen notification is present
+        keyguardRepository.setKeyguardShowing(true)
+        keyguardRepository.setIsDozing(false)
+        runKeyguardCoordinatorTest {
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.GONE, to = KeyguardState.LOCKSCREEN)
+            )
+            val firstEntry = NotificationEntryBuilder().setId(1).build()
+            collectionListener.onEntryAdded(firstEntry)
+            testScheduler.runCurrent()
+
+            // WHEN: one second has passed
+            testScheduler.advanceTimeBy(1.seconds)
+            testScheduler.runCurrent()
+
+            // WHEN: another unseen notification is posted
+            val secondEntry = NotificationEntryBuilder().setId(2).build()
+            collectionListener.onEntryAdded(secondEntry)
+            testScheduler.runCurrent()
+
+            // WHEN: four more seconds have passed
+            testScheduler.advanceTimeBy(4.seconds)
+            testScheduler.runCurrent()
+
+            // WHEN: the keyguard is no longer showing
+            keyguardRepository.setKeyguardShowing(false)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.LOCKSCREEN, to = KeyguardState.GONE)
+            )
+            testScheduler.runCurrent()
+
+            // WHEN: Keyguard is shown again
+            keyguardRepository.setKeyguardShowing(true)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.GONE, to = KeyguardState.LOCKSCREEN)
+            )
+            testScheduler.runCurrent()
+
+            // THEN: The first notification is considered seen and is filtered out.
+            assertThat(unseenFilter.shouldFilterOut(firstEntry, 0L)).isTrue()
+
+            // THEN: The second notification is still considered unseen and is not filtered out
+            assertThat(unseenFilter.shouldFilterOut(secondEntry, 0L)).isFalse()
+        }
+    }
+
+    @Test
+    fun unseenNotificationOnKeyguardNotMarkedAsSeenIfRemovedAfterThreshold() {
+        // GIVEN: Keyguard is showing, not dozing
+        keyguardRepository.setKeyguardShowing(true)
+        keyguardRepository.setIsDozing(false)
+        runKeyguardCoordinatorTest {
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.GONE, to = KeyguardState.LOCKSCREEN)
+            )
+            testScheduler.runCurrent()
+
+            // WHEN: a new notification is posted
+            val entry = NotificationEntryBuilder().setId(1).build()
+            collectionListener.onEntryAdded(entry)
+            testScheduler.runCurrent()
+
+            // WHEN: five more seconds have passed
+            testScheduler.advanceTimeBy(5.seconds)
+            testScheduler.runCurrent()
+
+            // WHEN: the notification is removed
+            collectionListener.onEntryRemoved(entry, 0)
+            testScheduler.runCurrent()
+
+            // WHEN: the notification is re-posted
+            collectionListener.onEntryAdded(entry)
+            testScheduler.runCurrent()
+
+            // WHEN: one more second has passed
+            testScheduler.advanceTimeBy(1.seconds)
+            testScheduler.runCurrent()
+
+            // WHEN: the keyguard is no longer showing
+            keyguardRepository.setKeyguardShowing(false)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.LOCKSCREEN, to = KeyguardState.GONE)
+            )
+            testScheduler.runCurrent()
+
+            // WHEN: Keyguard is shown again
+            keyguardRepository.setKeyguardShowing(true)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.GONE, to = KeyguardState.LOCKSCREEN)
+            )
+            testScheduler.runCurrent()
+
+            // THEN: The notification is considered unseen and is not filtered out.
+            assertThat(unseenFilter.shouldFilterOut(entry, 0L)).isFalse()
+        }
+    }
+
+    @Test
+    fun unseenNotificationOnKeyguardNotMarkedAsSeenIfRemovedBeforeThreshold() {
+        // GIVEN: Keyguard is showing, not dozing
+        keyguardRepository.setKeyguardShowing(true)
+        keyguardRepository.setIsDozing(false)
+        runKeyguardCoordinatorTest {
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.GONE, to = KeyguardState.LOCKSCREEN)
+            )
+            testScheduler.runCurrent()
+
+            // WHEN: a new notification is posted
+            val entry = NotificationEntryBuilder().setId(1).build()
+            collectionListener.onEntryAdded(entry)
+            testScheduler.runCurrent()
+
+            // WHEN: one second has passed
+            testScheduler.advanceTimeBy(1.seconds)
+            testScheduler.runCurrent()
+
+            // WHEN: the notification is removed
+            collectionListener.onEntryRemoved(entry, 0)
+            testScheduler.runCurrent()
+
+            // WHEN: the notification is re-posted
+            collectionListener.onEntryAdded(entry)
+            testScheduler.runCurrent()
+
+            // WHEN: one more second has passed
+            testScheduler.advanceTimeBy(1.seconds)
+            testScheduler.runCurrent()
+
+            // WHEN: the keyguard is no longer showing
+            keyguardRepository.setKeyguardShowing(false)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.LOCKSCREEN, to = KeyguardState.GONE)
+            )
+            testScheduler.runCurrent()
+
+            // WHEN: Keyguard is shown again
+            keyguardRepository.setKeyguardShowing(true)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.GONE, to = KeyguardState.LOCKSCREEN)
+            )
+            testScheduler.runCurrent()
+
+            // THEN: The notification is considered unseen and is not filtered out.
+            assertThat(unseenFilter.shouldFilterOut(entry, 0L)).isFalse()
+        }
+    }
+
+    @Test
+    fun unseenNotificationOnKeyguardNotMarkedAsSeenIfUpdatedBeforeThreshold() {
+        // GIVEN: Keyguard is showing, not dozing
+        keyguardRepository.setKeyguardShowing(true)
+        keyguardRepository.setIsDozing(false)
+        runKeyguardCoordinatorTest {
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.GONE, to = KeyguardState.LOCKSCREEN)
+            )
+            testScheduler.runCurrent()
+
+            // WHEN: a new notification is posted
+            val entry = NotificationEntryBuilder().setId(1).build()
+            collectionListener.onEntryAdded(entry)
+            testScheduler.runCurrent()
+
+            // WHEN: one second has passed
+            testScheduler.advanceTimeBy(1.seconds)
+            testScheduler.runCurrent()
+
+            // WHEN: the notification is updated
+            collectionListener.onEntryUpdated(entry)
+            testScheduler.runCurrent()
+
+            // WHEN: four more seconds have passed
+            testScheduler.advanceTimeBy(4.seconds)
+            testScheduler.runCurrent()
+
+            // WHEN: the keyguard is no longer showing
+            keyguardRepository.setKeyguardShowing(false)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.LOCKSCREEN, to = KeyguardState.GONE)
+            )
+            testScheduler.runCurrent()
+
+            // WHEN: Keyguard is shown again
+            keyguardRepository.setKeyguardShowing(true)
+            keyguardTransitionRepository.sendTransitionStep(
+                TransitionStep(from = KeyguardState.GONE, to = KeyguardState.LOCKSCREEN)
+            )
+            testScheduler.runCurrent()
+
+            // THEN: The notification is considered unseen and is not filtered out.
+            assertThat(unseenFilter.shouldFilterOut(entry, 0L)).isFalse()
+        }
+    }
+
     private fun runKeyguardCoordinatorTest(
         testBlock: suspend KeyguardCoordinatorTestScope.() -> Unit
     ) {
         val testDispatcher = UnconfinedTestDispatcher()
         val testScope = TestScope(testDispatcher)
-        val fakeSettings = FakeSettings().apply {
-            putInt(Settings.Secure.LOCK_SCREEN_SHOW_ONLY_UNSEEN_NOTIFICATIONS, 1)
-        }
+        val fakeSettings =
+            FakeSettings().apply {
+                putInt(Settings.Secure.LOCK_SCREEN_SHOW_ONLY_UNSEEN_NOTIFICATIONS, 1)
+            }
         val seenNotificationsProvider = SeenNotificationsProviderImpl()
         val keyguardCoordinator =
             KeyguardCoordinator(
@@ -387,7 +607,6 @@
                 keyguardRepository,
                 keyguardTransitionRepository,
                 mock<KeyguardCoordinatorLogger>(),
-                notifPipelineFlags,
                 testScope.backgroundScope,
                 sectionHeaderVisibilityProvider,
                 fakeSettings,
@@ -397,11 +616,12 @@
         keyguardCoordinator.attach(notifPipeline)
         testScope.runTest(dispatchTimeoutMs = 1.seconds.inWholeMilliseconds) {
             KeyguardCoordinatorTestScope(
-                keyguardCoordinator,
-                testScope,
-                seenNotificationsProvider,
-                fakeSettings,
-            ).testBlock()
+                    keyguardCoordinator,
+                    testScope,
+                    seenNotificationsProvider,
+                    fakeSettings,
+                )
+                .testBlock()
         }
     }
 
@@ -414,10 +634,9 @@
         val testScheduler: TestCoroutineScheduler
             get() = scope.testScheduler
 
-        val onStateChangeListener: Consumer<String> =
-            withArgCaptor {
-                verify(keyguardNotifVisibilityProvider).addOnStateChangedListener(capture())
-            }
+        val onStateChangeListener: Consumer<String> = withArgCaptor {
+            verify(keyguardNotifVisibilityProvider).addOnStateChangedListener(capture())
+        }
 
         val unseenFilter: NotifFilter
             get() = keyguardCoordinator.unseenNotifFilter
@@ -426,11 +645,11 @@
             verify(notifPipeline).addCollectionListener(capture())
         }
 
-        val onHeadsUpChangedListener: OnHeadsUpChangedListener get() =
-            withArgCaptor { verify(headsUpManager).addListener(capture()) }
+        val onHeadsUpChangedListener: OnHeadsUpChangedListener
+            get() = withArgCaptor { verify(headsUpManager).addListener(capture()) }
 
-        val statusBarStateListener: StatusBarStateController.StateListener get() =
-            withArgCaptor { verify(statusBarStateController).addCallback(capture()) }
+        val statusBarStateListener: StatusBarStateController.StateListener
+            get() = withArgCaptor { verify(statusBarStateController).addCallback(capture()) }
 
         var showOnlyUnseenNotifsOnKeyguardSetting: Boolean
             get() =