Delete unused PeopleHub code

Bug: 200269355
Test: atest SystemUITests
Change-Id: I9f045803bad4c4e09db5fd4ed69651b46ab7a188

10 files changed, 50 insertions, 1008 deletions

diff --git a/packages/SystemUI/res/layout/people_strip.xml b/packages/SystemUI/res/layout/people_strip.xml
deleted file mode 100644
index ec004296ff9d..000000000000
--- a/packages/SystemUI/res/layout/people_strip.xml
+++ /dev/null
@@ -1,102 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (C) 2019 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.
-  -->
-
-<com.android.systemui.statusbar.notification.stack.PeopleHubView
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="@dimen/notification_section_header_height"
-    android:paddingStart="4dp"
-    android:paddingEnd="4dp"
-    android:focusable="true"
-    android:clickable="true"
->
-
-    <LinearLayout
-        android:id="@+id/people_list"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_marginEnd="8dp"
-        android:gravity="bottom"
-        android:orientation="horizontal"
-        android:forceHasOverlappingRendering="false"
-        android:clipChildren="false">
-
-        <FrameLayout
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:gravity="start|center_vertical"
-            android:layout_weight="1"
-            android:forceHasOverlappingRendering="false">
-
-            <TextView
-                android:id="@+id/header_label"
-                style="@style/TextAppearance.NotificationSectionHeaderButton"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="@string/notification_section_header_conversations"
-            />
-
-        </FrameLayout>
-
-        <ImageView
-            android:layout_width="48dp"
-            android:layout_height="48dp"
-            android:padding="8dp"
-            android:scaleType="fitCenter"
-            android:forceHasOverlappingRendering="false"
-            android:visibility="gone"
-        />
-
-        <ImageView
-            android:layout_width="48dp"
-            android:layout_height="48dp"
-            android:padding="8dp"
-            android:scaleType="fitCenter"
-            android:forceHasOverlappingRendering="false"
-            android:visibility="gone"
-        />
-
-        <ImageView
-            android:layout_width="48dp"
-            android:layout_height="48dp"
-            android:padding="8dp"
-            android:scaleType="fitCenter"
-            android:forceHasOverlappingRendering="false"
-            android:visibility="gone"
-        />
-
-        <ImageView
-            android:layout_width="48dp"
-            android:layout_height="48dp"
-            android:padding="8dp"
-            android:scaleType="fitCenter"
-            android:forceHasOverlappingRendering="false"
-            android:visibility="gone"
-        />
-
-        <ImageView
-            android:layout_width="48dp"
-            android:layout_height="48dp"
-            android:padding="8dp"
-            android:scaleType="fitCenter"
-            android:forceHasOverlappingRendering="false"
-            android:visibility="gone"
-        />
-
-    </LinearLayout>
-
-</com.android.systemui.statusbar.notification.stack.PeopleHubView>
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/NotificationPersonExtractor.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/NotificationPersonExtractor.kt
new file mode 100644
index 000000000000..4cf3572b5bda
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/NotificationPersonExtractor.kt
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2022 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.notification.people
+
+import android.service.notification.StatusBarNotification
+import com.android.systemui.dagger.SysUISingleton
+import com.android.systemui.plugins.NotificationPersonExtractorPlugin
+import com.android.systemui.statusbar.policy.ExtensionController
+import javax.inject.Inject
+
+interface NotificationPersonExtractor {
+    fun isPersonNotification(sbn: StatusBarNotification): Boolean
+}
+
+@SysUISingleton
+class NotificationPersonExtractorPluginBoundary @Inject constructor(
+    extensionController: ExtensionController
+) : NotificationPersonExtractor {
+
+    private var plugin: NotificationPersonExtractorPlugin? = null
+
+    init {
+        plugin = extensionController
+                .newExtension(NotificationPersonExtractorPlugin::class.java)
+                .withPlugin(NotificationPersonExtractorPlugin::class.java)
+                .withCallback { extractor ->
+                    plugin = extractor
+                }
+                .build()
+                .get()
+    }
+
+    override fun isPersonNotification(sbn: StatusBarNotification): Boolean =
+            plugin?.isPersonNotification(sbn) ?: false
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHub.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHub.kt
deleted file mode 100644
index 3af6ba8434a5..000000000000
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHub.kt
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2019 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.notification.people
-
-import android.graphics.drawable.Drawable
-
-/**
- * `ViewModel` for PeopleHub view.
- *
- * @param people ViewModels for individual people in PeopleHub, in order that they should be
- *  displayed
- * @param isVisible Whether or not the whole PeopleHub UI is visible
- **/
-data class PeopleHubViewModel(val people: Sequence<PersonViewModel>, val isVisible: Boolean)
-
-/** `ViewModel` for a single "Person' in PeopleHub. */
-data class PersonViewModel(
-    val name: CharSequence,
-    val icon: Drawable,
-    val onClick: () -> Unit
-)
-
-/**
- * `Model` for PeopleHub.
- *
- * @param people Models for individual people in PeopleHub, in order that they should be displayed
- **/
-data class PeopleHubModel(val people: Collection<PersonModel>)
-
-/** `Model` for a single "Person" in PeopleHub. */
-data class PersonModel(
-    val key: PersonKey,
-    val userId: Int,
-    // TODO: these should live in the ViewModel
-    val name: CharSequence,
-    val avatar: Drawable,
-    val clickRunnable: Runnable
-)
-
-/** Unique identifier for a Person in PeopleHub. */
-typealias PersonKey = String
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubModule.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubModule.kt
index 16574abab7aa..c17ffb0adacf 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubModule.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubModule.kt
@@ -21,25 +21,6 @@ import dagger.Module
 
 @Module
 abstract class PeopleHubModule {
-
-    @Binds
-    abstract fun peopleHubSectionFooterViewAdapter(
-        impl: PeopleHubViewAdapterImpl
-    ): PeopleHubViewAdapter
-
-    @Binds
-    abstract fun peopleHubDataSource(impl: PeopleHubDataSourceImpl): DataSource<PeopleHubModel>
-
-    @Binds
-    abstract fun peopleHubSettingChangeDataSource(
-        impl: PeopleHubSettingChangeDataSourceImpl
-    ): DataSource<Boolean>
-
-    @Binds
-    abstract fun peopleHubViewModelFactoryDataSource(
-        impl: PeopleHubViewModelFactoryDataSourceImpl
-    ): DataSource<PeopleHubViewModelFactory>
-
     @Binds
     abstract fun peopleNotificationIdentifier(
         impl: PeopleNotificationIdentifierImpl
@@ -49,4 +30,4 @@ abstract class PeopleHubModule {
     abstract fun notificationPersonExtractor(
         pluginImpl: NotificationPersonExtractorPluginBoundary
     ): NotificationPersonExtractor
-}
\ No newline at end of file
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubNotificationListener.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubNotificationListener.kt
deleted file mode 100644
index 6062941d44a6..000000000000
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubNotificationListener.kt
+++ /dev/null
@@ -1,315 +0,0 @@
-/*
- * Copyright (C) 2019 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.notification.people
-
-import android.app.Notification
-import android.content.Context
-import android.content.pm.LauncherApps
-import android.content.pm.PackageManager
-import android.content.pm.UserInfo
-import android.graphics.drawable.Drawable
-import android.os.UserManager
-import android.service.notification.NotificationListenerService
-import android.service.notification.NotificationListenerService.REASON_SNOOZED
-import android.service.notification.StatusBarNotification
-import android.util.IconDrawableFactory
-import android.util.SparseArray
-import android.view.View
-import android.view.ViewGroup
-import android.widget.ImageView
-import com.android.internal.widget.MessagingGroup
-import com.android.settingslib.notification.ConversationIconFactory
-import com.android.systemui.R
-import com.android.systemui.dagger.SysUISingleton
-import com.android.systemui.dagger.qualifiers.Background
-import com.android.systemui.dagger.qualifiers.Main
-import com.android.systemui.plugins.NotificationPersonExtractorPlugin
-import com.android.systemui.statusbar.NotificationListener
-import com.android.systemui.statusbar.NotificationLockscreenUserManager
-import com.android.systemui.statusbar.notification.collection.NotificationEntry
-import com.android.systemui.statusbar.notification.collection.notifcollection.CommonNotifCollection
-import com.android.systemui.statusbar.notification.collection.notifcollection.NotifCollectionListener
-import com.android.systemui.statusbar.notification.people.PeopleNotificationIdentifier.Companion.TYPE_NON_PERSON
-import com.android.systemui.statusbar.policy.ExtensionController
-import java.util.ArrayDeque
-import java.util.concurrent.Executor
-import javax.inject.Inject
-
-private const val MAX_STORED_INACTIVE_PEOPLE = 10
-
-interface NotificationPersonExtractor {
-    fun extractPerson(sbn: StatusBarNotification): PersonModel?
-    fun extractPersonKey(sbn: StatusBarNotification): String?
-    fun isPersonNotification(sbn: StatusBarNotification): Boolean
-}
-
-@SysUISingleton
-class NotificationPersonExtractorPluginBoundary @Inject constructor(
-    extensionController: ExtensionController
-) : NotificationPersonExtractor {
-
-    private var plugin: NotificationPersonExtractorPlugin? = null
-
-    init {
-        plugin = extensionController
-                .newExtension(NotificationPersonExtractorPlugin::class.java)
-                .withPlugin(NotificationPersonExtractorPlugin::class.java)
-                .withCallback { extractor ->
-                    plugin = extractor
-                }
-                .build()
-                .get()
-    }
-
-    override fun extractPerson(sbn: StatusBarNotification) =
-            plugin?.extractPerson(sbn)?.run {
-                PersonModel(key, sbn.user.identifier, name, avatar, clickRunnable)
-            }
-
-    override fun extractPersonKey(sbn: StatusBarNotification) = plugin?.extractPersonKey(sbn)
-
-    override fun isPersonNotification(sbn: StatusBarNotification): Boolean =
-            plugin?.isPersonNotification(sbn) ?: false
-}
-
-@SysUISingleton
-class PeopleHubDataSourceImpl @Inject constructor(
-    private val notifCollection: CommonNotifCollection,
-    private val extractor: NotificationPersonExtractor,
-    private val userManager: UserManager,
-    launcherApps: LauncherApps,
-    packageManager: PackageManager,
-    context: Context,
-    private val notificationListener: NotificationListener,
-    @Background private val bgExecutor: Executor,
-    @Main private val mainExecutor: Executor,
-    private val notifLockscreenUserMgr: NotificationLockscreenUserManager,
-    private val peopleNotificationIdentifier: PeopleNotificationIdentifier
-) : DataSource<PeopleHubModel> {
-
-    private var userChangeSubscription: Subscription? = null
-    private val dataListeners = mutableListOf<DataListener<PeopleHubModel>>()
-    private val peopleHubManagerForUser = SparseArray<PeopleHubManager>()
-
-    private val iconFactory = run {
-        val appContext = context.applicationContext
-        ConversationIconFactory(
-                appContext,
-                launcherApps,
-                packageManager,
-                IconDrawableFactory.newInstance(appContext),
-                appContext.resources.getDimensionPixelSize(
-                        R.dimen.notification_guts_conversation_icon_size
-                )
-        )
-    }
-
-    private val notifCollectionListener = object : NotifCollectionListener {
-        override fun onEntryAdded(entry: NotificationEntry) = addVisibleEntry(entry)
-        override fun onEntryUpdated(entry: NotificationEntry) = addVisibleEntry(entry)
-        override fun onEntryRemoved(entry: NotificationEntry, reason: Int) =
-            removeVisibleEntry(entry, reason)
-    }
-
-    private fun removeVisibleEntry(entry: NotificationEntry, reason: Int) {
-        (extractor.extractPersonKey(entry.sbn) ?: entry.extractPersonKey())?.let { key ->
-            val userId = entry.sbn.user.identifier
-            bgExecutor.execute {
-                val parentId = userManager.getProfileParent(userId)?.id ?: userId
-                mainExecutor.execute {
-                    if (reason == REASON_SNOOZED) {
-                        if (peopleHubManagerForUser[parentId]?.migrateActivePerson(key) == true) {
-                            updateUi()
-                        }
-                    } else {
-                        peopleHubManagerForUser[parentId]?.removeActivePerson(key)
-                    }
-                }
-            }
-        }
-    }
-
-    private fun addVisibleEntry(entry: NotificationEntry) {
-        entry.extractPerson()?.let { personModel ->
-            val userId = entry.sbn.user.identifier
-            bgExecutor.execute {
-                val parentId = userManager.getProfileParent(userId)?.id ?: userId
-                mainExecutor.execute {
-                    val manager = peopleHubManagerForUser[parentId]
-                            ?: PeopleHubManager().also { peopleHubManagerForUser.put(parentId, it) }
-                    if (manager.addActivePerson(personModel)) {
-                        updateUi()
-                    }
-                }
-            }
-        }
-    }
-
-    override fun registerListener(listener: DataListener<PeopleHubModel>): Subscription {
-        val register = dataListeners.isEmpty()
-        dataListeners.add(listener)
-        if (register) {
-            userChangeSubscription = notifLockscreenUserMgr.registerListener(
-                    object : NotificationLockscreenUserManager.UserChangedListener {
-                        override fun onUserChanged(userId: Int) = updateUi()
-                        override fun onCurrentProfilesChanged(
-                            currentProfiles: SparseArray<UserInfo>?
-                        ) = updateUi()
-                    })
-            notifCollection.addCollectionListener(notifCollectionListener)
-        } else {
-            getPeopleHubModelForCurrentUser()?.let(listener::onDataChanged)
-        }
-        return object : Subscription {
-            override fun unsubscribe() {
-                dataListeners.remove(listener)
-                if (dataListeners.isEmpty()) {
-                    userChangeSubscription?.unsubscribe()
-                    userChangeSubscription = null
-                    notifCollection.removeCollectionListener(notifCollectionListener)
-                }
-            }
-        }
-    }
-
-    private fun getPeopleHubModelForCurrentUser(): PeopleHubModel? {
-        val currentUserId = notifLockscreenUserMgr.currentUserId
-        val model = peopleHubManagerForUser[currentUserId]?.getPeopleHubModel()
-                ?: return null
-        val currentProfiles = notifLockscreenUserMgr.currentProfiles
-        return model.copy(people = model.people.filter { person ->
-            currentProfiles[person.userId]?.isQuietModeEnabled == false
-        })
-    }
-
-    private fun updateUi() {
-        val model = getPeopleHubModelForCurrentUser() ?: return
-        for (listener in dataListeners) {
-            listener.onDataChanged(model)
-        }
-    }
-
-    private fun NotificationEntry.extractPerson(): PersonModel? {
-        val type = peopleNotificationIdentifier.getPeopleNotificationType(this)
-        if (type == TYPE_NON_PERSON) {
-            return null
-        }
-        val clickRunnable = Runnable { notificationListener.unsnoozeNotification(key) }
-        val extras = sbn.notification.extras
-        val name = ranking.conversationShortcutInfo?.label
-                ?: extras.getCharSequence(Notification.EXTRA_CONVERSATION_TITLE)
-                ?: extras.getCharSequence(Notification.EXTRA_TITLE)
-                ?: return null
-        val drawable = ranking.getIcon(iconFactory, sbn)
-                ?: iconFactory.getConversationDrawable(
-                        extractAvatarFromRow(this),
-                        sbn.packageName,
-                        sbn.uid,
-                        ranking.channel.isImportantConversation
-                )
-        return PersonModel(key, sbn.user.identifier, name, drawable, clickRunnable)
-    }
-
-    private fun NotificationListenerService.Ranking.getIcon(
-        iconFactory: ConversationIconFactory,
-        sbn: StatusBarNotification
-    ): Drawable? =
-            conversationShortcutInfo?.let { conversationShortcutInfo ->
-                iconFactory.getConversationDrawable(
-                        conversationShortcutInfo,
-                        sbn.packageName,
-                        sbn.uid,
-                        channel.isImportantConversation
-                )
-            }
-
-    private fun NotificationEntry.extractPersonKey(): PersonKey? {
-        // TODO migrate to shortcut id when snoozing is conversation wide
-        val type = peopleNotificationIdentifier.getPeopleNotificationType(this)
-        return if (type != TYPE_NON_PERSON) key else null
-    }
-}
-
-private fun NotificationLockscreenUserManager.registerListener(
-    listener: NotificationLockscreenUserManager.UserChangedListener
-): Subscription {
-    addUserChangedListener(listener)
-    return object : Subscription {
-        override fun unsubscribe() {
-            removeUserChangedListener(listener)
-        }
-    }
-}
-
-class PeopleHubManager {
-
-    // People currently visible in the notification shade, and so are not in the hub
-    private val activePeople = mutableMapOf<PersonKey, PersonModel>()
-
-    // People that were once "active" and have been dismissed, and so can be displayed in the hub
-    private val inactivePeople = ArrayDeque<PersonModel>(MAX_STORED_INACTIVE_PEOPLE)
-
-    fun migrateActivePerson(key: PersonKey): Boolean {
-        activePeople.remove(key)?.let { data ->
-            if (inactivePeople.size >= MAX_STORED_INACTIVE_PEOPLE) {
-                inactivePeople.removeLast()
-            }
-            inactivePeople.addFirst(data)
-            return true
-        }
-        return false
-    }
-
-    fun removeActivePerson(key: PersonKey) {
-        activePeople.remove(key)
-    }
-
-    fun addActivePerson(person: PersonModel): Boolean {
-        activePeople[person.key] = person
-        return inactivePeople.removeIf { it.key == person.key }
-    }
-
-    fun getPeopleHubModel(): PeopleHubModel = PeopleHubModel(inactivePeople)
-}
-
-private val ViewGroup.children
-    get(): Sequence<View> = sequence {
-        for (i in 0 until childCount) {
-            yield(getChildAt(i))
-        }
-    }
-
-private fun ViewGroup.childrenWithId(id: Int): Sequence<View> = children.filter { it.id == id }
-
-fun extractAvatarFromRow(entry: NotificationEntry): Drawable? =
-        entry.row
-                ?.childrenWithId(R.id.expanded)
-                ?.mapNotNull { it as? ViewGroup }
-                ?.flatMap {
-                    it.childrenWithId(com.android.internal.R.id.status_bar_latest_event_content)
-                }
-                ?.mapNotNull {
-                    it.findViewById<ViewGroup>(com.android.internal.R.id.notification_messaging)
-                }
-                ?.mapNotNull { messagesView ->
-                    messagesView.children
-                            .mapNotNull { it as? MessagingGroup }
-                            .lastOrNull()
-                            ?.findViewById<ImageView>(com.android.internal.R.id.message_icon)
-                            ?.drawable
-                }
-                ?.firstOrNull()
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubViewController.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubViewController.kt
deleted file mode 100644
index 55bd77fdab68..000000000000
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubViewController.kt
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright (C) 2019 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.notification.people
-
-import android.content.Context
-import android.database.ContentObserver
-import android.net.Uri
-import android.os.Handler
-import android.os.UserHandle
-import android.provider.Settings
-import android.view.View
-import com.android.systemui.dagger.SysUISingleton
-import com.android.systemui.dagger.qualifiers.Main
-import com.android.systemui.plugins.ActivityStarter
-import javax.inject.Inject
-
-/** Boundary between the View and PeopleHub, as seen by the View. */
-interface PeopleHubViewAdapter {
-    fun bindView(viewBoundary: PeopleHubViewBoundary): Subscription
-}
-
-/** Abstract `View` representation of PeopleHub. */
-interface PeopleHubViewBoundary {
-    /** View used for animating the activity launch caused by clicking a person in the hub. */
-    val associatedViewForClickAnimation: View
-
-    /**
-     * [DataListener]s for individual people in the hub.
-     *
-     * These listeners should be ordered such that the first element will be bound to the most
-     * recent person to be added to the hub, and then continuing in descending order. If there are
-     * not enough people to satisfy each listener, `null` will be passed instead, indicating that
-     * the `View` should render a placeholder.
-     */
-    val personViewAdapters: Sequence<DataListener<PersonViewModel?>>
-
-    /** Sets the visibility of the Hub in the notification shade. */
-    fun setVisible(isVisible: Boolean)
-}
-
-/** Creates a [PeopleHubViewModel] given some additional information required from the `View`. */
-interface PeopleHubViewModelFactory {
-
-    /**
-     * Creates a [PeopleHubViewModel] that, when clicked, starts an activity using an animation
-     * involving the given [view].
-     */
-    fun createWithAssociatedClickView(view: View): PeopleHubViewModel
-}
-
-/**
- * Wraps a [PeopleHubViewBoundary] in a [DataListener], and connects it to the data
- * pipeline.
- *
- * @param dataSource PeopleHub data pipeline.
- */
-@SysUISingleton
-class PeopleHubViewAdapterImpl @Inject constructor(
-    private val dataSource: DataSource<@JvmSuppressWildcards PeopleHubViewModelFactory>
-) : PeopleHubViewAdapter {
-
-    override fun bindView(viewBoundary: PeopleHubViewBoundary): Subscription =
-            dataSource.registerListener(PeopleHubDataListenerImpl(viewBoundary))
-}
-
-private class PeopleHubDataListenerImpl(
-    private val viewBoundary: PeopleHubViewBoundary
-) : DataListener<PeopleHubViewModelFactory> {
-
-    override fun onDataChanged(data: PeopleHubViewModelFactory) {
-        val viewModel = data.createWithAssociatedClickView(
-                viewBoundary.associatedViewForClickAnimation
-        )
-        viewBoundary.setVisible(viewModel.isVisible)
-        val padded = viewModel.people + repeated(null)
-        for ((adapter, model) in viewBoundary.personViewAdapters.zip(padded)) {
-            adapter.onDataChanged(model)
-        }
-    }
-}
-
-/**
- * Converts [PeopleHubModel]s into [PeopleHubViewModelFactory]s.
- *
- * This class serves as the glue between the View layer (which depends on
- * [PeopleHubViewBoundary]) and the Data layer (which produces [PeopleHubModel]s).
- */
-@SysUISingleton
-class PeopleHubViewModelFactoryDataSourceImpl @Inject constructor(
-    private val activityStarter: ActivityStarter,
-    private val dataSource: DataSource<@JvmSuppressWildcards PeopleHubModel>
-) : DataSource<PeopleHubViewModelFactory> {
-
-    override fun registerListener(listener: DataListener<PeopleHubViewModelFactory>): Subscription {
-        var model: PeopleHubModel? = null
-
-        fun updateListener() {
-            // don't invoke listener until we've received our first model
-            model?.let { model ->
-                val factory = PeopleHubViewModelFactoryImpl(model, activityStarter)
-                listener.onDataChanged(factory)
-            }
-        }
-        val dataSub = dataSource.registerListener(object : DataListener<PeopleHubModel> {
-            override fun onDataChanged(data: PeopleHubModel) {
-                model = data
-                updateListener()
-            }
-        })
-        return object : Subscription {
-            override fun unsubscribe() {
-                dataSub.unsubscribe()
-            }
-        }
-    }
-}
-
-private object EmptyViewModelFactory : PeopleHubViewModelFactory {
-    override fun createWithAssociatedClickView(view: View): PeopleHubViewModel {
-        return PeopleHubViewModel(emptySequence(), false)
-    }
-}
-
-private class PeopleHubViewModelFactoryImpl(
-    private val model: PeopleHubModel,
-    private val activityStarter: ActivityStarter
-) : PeopleHubViewModelFactory {
-
-    override fun createWithAssociatedClickView(view: View): PeopleHubViewModel {
-        val personViewModels = model.people.asSequence().map { personModel ->
-            val onClick = {
-                personModel.clickRunnable.run()
-            }
-            PersonViewModel(personModel.name, personModel.avatar, onClick)
-        }
-        return PeopleHubViewModel(personViewModels, model.people.isNotEmpty())
-    }
-}
-
-@SysUISingleton
-class PeopleHubSettingChangeDataSourceImpl @Inject constructor(
-    @Main private val handler: Handler,
-    context: Context
-) : DataSource<Boolean> {
-
-    private val settingUri = Settings.Secure.getUriFor(Settings.Secure.PEOPLE_STRIP)
-    private val contentResolver = context.contentResolver
-
-    override fun registerListener(listener: DataListener<Boolean>): Subscription {
-        // Immediately report current value of setting
-        updateListener(listener)
-        val observer = object : ContentObserver(handler) {
-            override fun onChange(selfChange: Boolean, uri: Uri?, flags: Int) {
-                super.onChange(selfChange, uri, flags)
-                updateListener(listener)
-            }
-        }
-        contentResolver.registerContentObserver(settingUri, false, observer, UserHandle.USER_ALL)
-        return object : Subscription {
-            override fun unsubscribe() = contentResolver.unregisterContentObserver(observer)
-        }
-    }
-
-    private fun updateListener(listener: DataListener<Boolean>) {
-        val setting = Settings.Secure.getIntForUser(
-                contentResolver,
-                Settings.Secure.PEOPLE_STRIP,
-                0,
-                UserHandle.USER_CURRENT
-        )
-        listener.onDataChanged(setting != 0)
-    }
-}
-
-private fun <T> repeated(value: T): Sequence<T> = sequence {
-    while (true) {
-        yield(value)
-    }
-}
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
index 79d883b32a98..cc87499d39cb 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
@@ -6116,9 +6116,6 @@ public class NotificationStackScrollLayout extends ViewGroup implements Dumpable
             }
             return row.canViewBeDismissed();
         }
-        if (v instanceof PeopleHubView) {
-            return ((PeopleHubView) v).getCanSwipe();
-        }
         return false;
     }
 
@@ -6130,9 +6127,6 @@ public class NotificationStackScrollLayout extends ViewGroup implements Dumpable
             }
             return row.canViewBeCleared();
         }
-        if (v instanceof PeopleHubView) {
-            return ((PeopleHubView) v).getCanSwipe();
-        }
         return false;
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/PeopleHubView.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/PeopleHubView.kt
deleted file mode 100644
index b13e7fb839ff..000000000000
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/PeopleHubView.kt
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright (C) 2019 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.notification.stack
-
-import android.annotation.ColorInt
-import android.content.Context
-import android.util.AttributeSet
-import android.view.View
-import android.view.ViewGroup
-import android.widget.ImageView
-import android.widget.TextView
-import com.android.systemui.R
-import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin
-import com.android.systemui.statusbar.notification.people.DataListener
-import com.android.systemui.statusbar.notification.people.PersonViewModel
-import com.android.systemui.statusbar.notification.row.StackScrollerDecorView
-
-class PeopleHubView(context: Context, attrs: AttributeSet) :
-        StackScrollerDecorView(context, attrs), SwipeableView {
-
-    private lateinit var contents: ViewGroup
-    private lateinit var label: TextView
-
-    lateinit var personViewAdapters: Sequence<DataListener<PersonViewModel?>>
-        private set
-
-    override fun onFinishInflate() {
-        contents = requireViewById(R.id.people_list)
-        label = requireViewById(R.id.header_label)
-        personViewAdapters = (0 until contents.childCount)
-                .asSequence() // so we can map
-                .mapNotNull { idx ->
-                    // get all our people slots
-                    (contents.getChildAt(idx) as? ImageView)?.let(::PersonDataListenerImpl)
-                }
-                .toList() // cache it
-                .asSequence() // but don't reveal it's a list
-        super.onFinishInflate()
-        setVisible(true /* nowVisible */, false /* animate */)
-    }
-
-    fun setTextColor(@ColorInt color: Int) = label.setTextColor(color)
-
-    override fun findContentView(): View = contents
-    override fun findSecondaryView(): View? = null
-
-    override fun hasFinishedInitialization(): Boolean = true
-
-    override fun createMenu(): NotificationMenuRowPlugin? = null
-
-    override fun resetTranslation() {
-        translationX = 0f
-    }
-
-    override fun setTranslation(translation: Float) {
-        if (canSwipe) {
-            super.setTranslation(translation)
-        }
-    }
-
-    var canSwipe: Boolean = false
-        set(value) {
-            if (field != value) {
-                if (field) {
-                    resetTranslation()
-                }
-                field = value
-            }
-        }
-
-    override fun needsClippingToShelf(): Boolean = true
-
-    override fun applyContentTransformation(contentAlpha: Float, translationY: Float) {
-        super.applyContentTransformation(contentAlpha, translationY)
-        for (i in 0 until contents.childCount) {
-            val view = contents.getChildAt(i)
-            view.alpha = contentAlpha
-            view.translationY = translationY
-        }
-    }
-
-    fun setOnHeaderClickListener(listener: OnClickListener) = label.setOnClickListener(listener)
-
-    private inner class PersonDataListenerImpl(val avatarView: ImageView) :
-            DataListener<PersonViewModel?> {
-
-        override fun onDataChanged(data: PersonViewModel?) {
-            avatarView.visibility = data?.let { View.VISIBLE } ?: View.GONE
-            avatarView.setImageDrawable(data?.icon)
-            avatarView.setOnClickListener { data?.onClick?.invoke() }
-        }
-    }
-}
\ No newline at end of file
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/people/PeopleFakes.kt b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/people/PeopleFakes.kt
deleted file mode 100644
index 1fb4ca1ac5db..000000000000
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/people/PeopleFakes.kt
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (C) 2020 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.notification.people
-
-object EmptySubscription : Subscription {
-    override fun unsubscribe() {}
-}
-
-class FakeDataSource<T>(
-    private val data: T,
-    private val subscription: Subscription = EmptySubscription
-) : DataSource<T> {
-    override fun registerListener(listener: DataListener<T>): Subscription {
-        listener.onDataChanged(data)
-        return subscription
-    }
-}
\ No newline at end of file
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/people/PeopleHubViewControllerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/people/PeopleHubViewControllerTest.kt
deleted file mode 100644
index 5898664dea8e..000000000000
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/people/PeopleHubViewControllerTest.kt
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Copyright (C) 2019 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.notification.people
-
-import android.graphics.drawable.Drawable
-import android.testing.AndroidTestingRunner
-import android.view.View
-import androidx.test.filters.SmallTest
-import com.android.systemui.SysuiTestCase
-import com.android.systemui.plugins.ActivityStarter
-import com.google.common.truth.Truth.assertThat
-import org.junit.Rule
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.mockito.Mock
-import org.mockito.Mockito
-import org.mockito.Mockito.mock
-import org.mockito.Mockito.verify
-import org.mockito.junit.MockitoJUnit
-import org.mockito.junit.MockitoRule
-import kotlin.reflect.KClass
-import org.mockito.Mockito.`when` as whenever
-
-@SmallTest
-@RunWith(AndroidTestingRunner::class)
-class PeopleHubViewControllerTest : SysuiTestCase() {
-
-    @JvmField @Rule val mockito: MockitoRule = MockitoJUnit.rule()
-
-    @Mock private lateinit var mockViewBoundary: PeopleHubViewBoundary
-    @Mock private lateinit var mockActivityStarter: ActivityStarter
-
-    @Test
-    fun testBindViewModelToViewBoundary() {
-        val fakePerson1 = fakePersonViewModel("name")
-        val fakeViewModel = PeopleHubViewModel(sequenceOf(fakePerson1), true)
-
-        val mockFactory = mock(PeopleHubViewModelFactory::class.java)
-        whenever(mockFactory.createWithAssociatedClickView(any())).thenReturn(fakeViewModel)
-
-        val mockClickView = mock(View::class.java)
-        whenever(mockViewBoundary.associatedViewForClickAnimation).thenReturn(mockClickView)
-
-        val fakePersonViewAdapter1 = FakeDataListener<PersonViewModel?>()
-        val fakePersonViewAdapter2 = FakeDataListener<PersonViewModel?>()
-        whenever(mockViewBoundary.personViewAdapters)
-                .thenReturn(sequenceOf(fakePersonViewAdapter1, fakePersonViewAdapter2))
-
-        val adapter = PeopleHubViewAdapterImpl(FakeDataSource(mockFactory))
-
-        adapter.bindView(mockViewBoundary)
-
-        assertThat(fakePersonViewAdapter1.lastSeen).isEqualTo(Maybe.Just(fakePerson1))
-        assertThat(fakePersonViewAdapter2.lastSeen).isEqualTo(Maybe.Just<PersonViewModel?>(null))
-        verify(mockViewBoundary).setVisible(true)
-        verify(mockFactory).createWithAssociatedClickView(mockClickView)
-    }
-
-    @Test
-    fun testBindViewModelToViewBoundary_moreDataThanCanBeDisplayed_displaysMostRecent() {
-        val fakePerson1 = fakePersonViewModel("person1")
-        val fakePerson2 = fakePersonViewModel("person2")
-        val fakePerson3 = fakePersonViewModel("person3")
-        val fakePeople = sequenceOf(fakePerson3, fakePerson2, fakePerson1)
-        val fakeViewModel = PeopleHubViewModel(fakePeople, true)
-
-        val mockFactory = mock(PeopleHubViewModelFactory::class.java)
-        whenever(mockFactory.createWithAssociatedClickView(any())).thenReturn(fakeViewModel)
-
-        whenever(mockViewBoundary.associatedViewForClickAnimation)
-                .thenReturn(mock(View::class.java))
-
-        val fakePersonViewAdapter1 = FakeDataListener<PersonViewModel?>()
-        val fakePersonViewAdapter2 = FakeDataListener<PersonViewModel?>()
-        whenever(mockViewBoundary.personViewAdapters)
-                .thenReturn(sequenceOf(fakePersonViewAdapter1, fakePersonViewAdapter2))
-
-        val adapter = PeopleHubViewAdapterImpl(FakeDataSource(mockFactory))
-
-        adapter.bindView(mockViewBoundary)
-
-        assertThat(fakePersonViewAdapter1.lastSeen).isEqualTo(Maybe.Just(fakePerson3))
-        assertThat(fakePersonViewAdapter2.lastSeen).isEqualTo(Maybe.Just(fakePerson2))
-    }
-
-    @Test
-    fun testViewModelDataSourceTransformsModel() {
-        val fakeClickRunnable = mock(Runnable::class.java)
-        val fakePerson = fakePersonModel("id", "name", fakeClickRunnable)
-        val fakeModel = PeopleHubModel(listOf(fakePerson))
-        val fakeModelDataSource = FakeDataSource(fakeModel)
-        val factoryDataSource = PeopleHubViewModelFactoryDataSourceImpl(
-                mockActivityStarter,
-                fakeModelDataSource
-        )
-        val fakeListener = FakeDataListener<PeopleHubViewModelFactory>()
-        val mockClickView = mock(View::class.java)
-
-        factoryDataSource.registerListener(fakeListener)
-
-        val viewModel = (fakeListener.lastSeen as Maybe.Just).value
-                .createWithAssociatedClickView(mockClickView)
-        assertThat(viewModel.isVisible).isTrue()
-        val people = viewModel.people.toList()
-        assertThat(people.size).isEqualTo(1)
-        assertThat(people[0].name).isEqualTo("name")
-        assertThat(people[0].icon).isSameInstanceAs(fakePerson.avatar)
-
-        people[0].onClick()
-
-        verify(fakeClickRunnable).run()
-    }
-}
-
-/** Works around Mockito matchers returning `null` and breaking non-nullable Kotlin code. */
-private inline fun <reified T : Any> any(): T {
-    return Mockito.any() ?: createInstance(T::class)
-}
-
-/** Works around Mockito matchers returning `null` and breaking non-nullable Kotlin code. */
-private inline fun <reified T : Any> same(value: T): T {
-    return Mockito.same(value) ?: createInstance(T::class)
-}
-
-/** Creates an instance of the given class. */
-private fun <T : Any> createInstance(clazz: KClass<T>): T = castNull()
-
-/** Tricks the Kotlin compiler into assigning `null` to a non-nullable variable. */
-@Suppress("UNCHECKED_CAST")
-private fun <T> castNull(): T = null as T
-
-private fun fakePersonModel(
-    id: String,
-    name: CharSequence,
-    clickRunnable: Runnable,
-    userId: Int = 0
-): PersonModel =
-        PersonModel(id, userId, name, mock(Drawable::class.java), clickRunnable)
-
-private fun fakePersonViewModel(name: CharSequence): PersonViewModel =
-        PersonViewModel(name, mock(Drawable::class.java), mock({}.javaClass))
-
-sealed class Maybe<T> {
-    data class Just<T>(val value: T) : Maybe<T>()
-    class Nothing<T> : Maybe<T>() {
-        override fun equals(other: Any?): Boolean {
-            if (this === other) return true
-            if (javaClass != other?.javaClass) return false
-            return true
-        }
-
-        override fun hashCode(): Int {
-            return javaClass.hashCode()
-        }
-    }
-}
-
-class FakeDataListener<T> : DataListener<T> {
-
-    var lastSeen: Maybe<T> = Maybe.Nothing()
-
-    override fun onDataChanged(data: T) {
-        lastSeen = Maybe.Just(data)
-    }
-}