Merge changes from topic "notif_minimalism_settings" into main

* changes:
  Notification Minimalism Settings Main Switch
  Show the Tangor Unseen Notification Toggle when notification_minimalism is Enabled
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 0392bfc..cf0e112 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -8657,6 +8657,13 @@
     <!-- Configure Notifications: Title for the option controlling notifications for work profile. [CHAR LIMIT=30] -->
     <string name="locked_work_profile_notification_title">When work profile is locked</string>
 
+    <!-- Configure notifications: Title for the option controlling whether or not to minimalize the
+    number of notifications to show on the lock screen[CHAR LIMIT=60] -->
+    <string name="lock_screen_notif_minimalism">Lock screen notification minimalism</string>
+
+    <!-- Configure notifications: Summary for option lock_screen_notif_minimalism. [CHAR LIMIT=100] -->
+    <string name="lock_screen_notif_minimalism_summary">Show fewer notifications on lock screen</string>
+
     <!-- Configure notifications: Title for the option controlling whether only new notifications are displayed to the user
     on the lock screen [CHAR LIMIT=60] -->
     <string name="unseen_notifs_lock_screen">Show only new notifications on lock screen</string>
diff --git a/res/xml/configure_notification_settings.xml b/res/xml/configure_notification_settings.xml
index b673a083..c88b7ba 100644
--- a/res/xml/configure_notification_settings.xml
+++ b/res/xml/configure_notification_settings.xml
@@ -136,8 +136,16 @@
         />
 
         <SwitchPreferenceCompat
-            android:key="lock_screen_show_only_unseen_notifs"
+            android:key="lock_screen_notif_minimalism"
             android:order="19"
+            android:title="@string/lock_screen_notif_minimalism"
+            android:summary="@string/lock_screen_notif_minimalism_summary"
+            settings:controller="com.android.settings.notification.LockscreenNotificationMinimalismPreferenceController"
+            />
+
+        <SwitchPreferenceCompat
+            android:key="lock_screen_show_only_unseen_notifs"
+            android:order="20"
             android:title="@string/unseen_notifs_lock_screen"
             android:summary="@string/unseen_notifs_lock_screen_summary"
             settings:controller="com.android.settings.notification.ShowOnlyUnseenNotificationsOnLockscreenPreferenceController"
@@ -146,7 +154,7 @@
         <Preference
             android:fragment="com.android.settings.accessibility.FlashNotificationsPreferenceFragment"
             android:key="flash_notifications_preference"
-            android:order="20"
+            android:order="21"
             android:persistent="false"
             android:title="@string/flash_notifications_title"
             settings:searchable="false"
@@ -154,7 +162,7 @@
 
         <com.android.settingslib.RestrictedPreference
             android:key="app_and_notif_cell_broadcast_settings"
-            android:order="21"
+            android:order="22"
             android:title="@string/cell_broadcast_settings"
             settings:useAdminDisabledSummary="true">
             <intent
@@ -165,33 +173,33 @@
 
         <SwitchPreferenceCompat
              android:key="silent_icons"
-             android:order="22"
+             android:order="23"
              android:title="@string/silent_notifications_status_bar"
              settings:controller="com.android.settings.notification.SilentStatusBarPreferenceController"/>
 
         <SwitchPreferenceCompat
             android:key="show_snooze_options"
-            android:order="23"
+            android:order="24"
             android:title="@string/snooze_options_title"
             settings:controller="com.android.settings.notification.SnoozeNotificationPreferenceController" />
 
         <!-- Notification badging -->
         <SwitchPreferenceCompat
             android:key="notification_badging"
-            android:order="24"
+            android:order="25"
             android:title="@string/notification_badging_title"
             settings:controller="com.android.settings.notification.BadgingNotificationPreferenceController"/>
 
         <!-- Pulse notification light, on devices that support it -->
         <SwitchPreferenceCompat
             android:key="notification_pulse"
-            android:order="25"
+            android:order="26"
             android:title="@string/notification_pulse_title"
             settings:controller="com.android.settings.notification.PulseNotificationPreferenceController"/>
 
         <SwitchPreferenceCompat
             android:key="notification_assistant"
-            android:order="26"
+            android:order="27"
             android:title="@string/notification_assistant_title"
             android:summary="@string/notification_assistant_summary"
             settings:controller="com.android.settings.notification.NotificationAssistantPreferenceController"/>
diff --git a/src/com/android/settings/notification/LockscreenNotificationMinimalismPreferenceController.java b/src/com/android/settings/notification/LockscreenNotificationMinimalismPreferenceController.java
new file mode 100644
index 0000000..7b48ba7
--- /dev/null
+++ b/src/com/android/settings/notification/LockscreenNotificationMinimalismPreferenceController.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.notification;
+
+import static android.provider.Settings.Secure.LOCK_SCREEN_NOTIFICATION_MINIMALISM;
+import static android.provider.Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.annotation.VisibleForTesting;
+
+import com.android.server.notification.Flags;
+import com.android.settings.R;
+import com.android.settings.core.TogglePreferenceController;
+
+public class LockscreenNotificationMinimalismPreferenceController
+        extends TogglePreferenceController {
+
+    @VisibleForTesting
+    static final int ON = 1;
+    @VisibleForTesting
+    static final int OFF = 0;
+
+    public LockscreenNotificationMinimalismPreferenceController(
+            Context context,
+            String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public boolean isChecked() {
+        return Settings.Secure.getInt(mContext.getContentResolver(),
+                LOCK_SCREEN_NOTIFICATION_MINIMALISM, ON) == ON;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        return Settings.Secure.putInt(mContext.getContentResolver(),
+                LOCK_SCREEN_NOTIFICATION_MINIMALISM, isChecked ? ON : OFF);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        if (!Flags.notificationMinimalism()) {
+            return CONDITIONALLY_UNAVAILABLE;
+        }
+        int lockScreenNotif = Settings.Secure.getInt(mContext.getContentResolver(),
+                LOCK_SCREEN_SHOW_NOTIFICATIONS, 0);
+        if (lockScreenNotif == 0) {
+            return DISABLED_DEPENDENT_SETTING;
+        }
+        return AVAILABLE;
+    }
+
+    @Override
+    public int getSliceHighlightMenuRes() {
+        return R.string.menu_key_notifications;
+    }
+}
diff --git a/src/com/android/settings/notification/ShowOnlyUnseenNotificationsOnLockscreenPreferenceController.java b/src/com/android/settings/notification/ShowOnlyUnseenNotificationsOnLockscreenPreferenceController.java
index a37e29d..9534483 100644
--- a/src/com/android/settings/notification/ShowOnlyUnseenNotificationsOnLockscreenPreferenceController.java
+++ b/src/com/android/settings/notification/ShowOnlyUnseenNotificationsOnLockscreenPreferenceController.java
@@ -16,6 +16,7 @@
 
 package com.android.settings.notification;
 
+import static android.provider.Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS;
 import static android.provider.Settings.Secure.LOCK_SCREEN_SHOW_ONLY_UNSEEN_NOTIFICATIONS;
 
 import android.content.Context;
@@ -23,6 +24,7 @@
 
 import androidx.annotation.VisibleForTesting;
 
+import com.android.server.notification.Flags;
 import com.android.settings.R;
 import com.android.settings.core.TogglePreferenceController;
 
@@ -55,6 +57,13 @@
 
     @Override
     public int getAvailabilityStatus() {
+        if (Flags.notificationMinimalism()) {
+            if (!isNotifOnLockScreenEnabled()) {
+                return DISABLED_DEPENDENT_SETTING;
+            }
+            // We want to show the switch when the lock screen notification minimalism flag is on.
+            return AVAILABLE;
+        }
         int setting = Settings.Secure.getInt(mContext.getContentResolver(),
                 LOCK_SCREEN_SHOW_ONLY_UNSEEN_NOTIFICATIONS, UNSET);
         if (setting == UNSET) {
@@ -68,4 +77,9 @@
     public int getSliceHighlightMenuRes() {
         return R.string.menu_key_notifications;
     }
+
+    private boolean isNotifOnLockScreenEnabled() {
+        return Settings.Secure.getInt(mContext.getContentResolver(),
+                LOCK_SCREEN_SHOW_NOTIFICATIONS, 0) == 1;
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/notification/LockscreenNotificationMinimalismPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/LockscreenNotificationMinimalismPreferenceControllerTest.java
new file mode 100644
index 0000000..86dc06f
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/notification/LockscreenNotificationMinimalismPreferenceControllerTest.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.notification;
+
+import static android.provider.Settings.Secure.LOCK_SCREEN_NOTIFICATION_MINIMALISM;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.app.admin.DevicePolicyManager;
+import android.content.Context;
+import android.platform.test.annotations.DisableFlags;
+import android.platform.test.annotations.EnableFlags;
+import android.platform.test.flag.junit.SetFlagsRule;
+import android.provider.Settings;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class LockscreenNotificationMinimalismPreferenceControllerTest {
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private PreferenceScreen mScreen;
+
+    private LockscreenNotificationMinimalismPreferenceController mController;
+    private Preference mPreference;
+    static final int ON = 1;
+    static final int OFF = 0;
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        doReturn(mock(DevicePolicyManager.class)).when(mContext)
+                .getSystemService(Context.DEVICE_POLICY_SERVICE);
+        mController = new LockscreenNotificationMinimalismPreferenceController(mContext,
+                "key");
+        mPreference = new Preference(RuntimeEnvironment.application);
+        mPreference.setKey(mController.getPreferenceKey());
+        when(mScreen.findPreference(mPreference.getKey())).thenReturn(mPreference);
+    }
+
+    @Test
+    @DisableFlags(com.android.server.notification.Flags.FLAG_NOTIFICATION_MINIMALISM)
+    public void display_featureFlagOff_shouldNotDisplay() {
+        mController.displayPreference(mScreen);
+        assertThat(mPreference.isVisible()).isFalse();
+    }
+
+    @Test
+    @EnableFlags(com.android.server.notification.Flags.FLAG_NOTIFICATION_MINIMALISM)
+    public void display_featureFlagOn_shouldDisplay() {
+        mController.displayPreference(mScreen);
+        assertThat(mPreference.isVisible()).isTrue();
+    }
+
+    @Test
+    @EnableFlags(com.android.server.notification.Flags.FLAG_NOTIFICATION_MINIMALISM)
+    public void isChecked_settingIsOff_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                LOCK_SCREEN_NOTIFICATION_MINIMALISM, OFF);
+
+        assertThat(mController.isChecked()).isFalse();
+    }
+
+    @Test
+    @EnableFlags(com.android.server.notification.Flags.FLAG_NOTIFICATION_MINIMALISM)
+    public void isChecked_settingIsOn_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                LOCK_SCREEN_NOTIFICATION_MINIMALISM, ON);
+
+        assertThat(mController.isChecked()).isTrue();
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/notification/ShowOnlyUnseenNotificationsOnLockscreenPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ShowOnlyUnseenNotificationsOnLockscreenPreferenceControllerTest.java
index cc26e54..8877f30 100644
--- a/tests/robotests/src/com/android/settings/notification/ShowOnlyUnseenNotificationsOnLockscreenPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ShowOnlyUnseenNotificationsOnLockscreenPreferenceControllerTest.java
@@ -29,12 +29,16 @@
 
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
+import android.platform.test.annotations.DisableFlags;
+import android.platform.test.annotations.EnableFlags;
+import android.platform.test.flag.junit.SetFlagsRule;
 import android.provider.Settings;
 
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Answers;
@@ -53,6 +57,8 @@
 
     private ShowOnlyUnseenNotificationsOnLockscreenPreferenceController mController;
     private Preference mPreference;
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
 
     @Before
     public void setUp() {
@@ -67,12 +73,14 @@
     }
 
     @Test
+    @DisableFlags(com.android.server.notification.Flags.FLAG_NOTIFICATION_MINIMALISM)
     public void display_configUnset_shouldNotDisplay() {
         mController.displayPreference(mScreen);
         assertThat(mPreference.isVisible()).isFalse();
     }
 
     @Test
+    @DisableFlags(com.android.server.notification.Flags.FLAG_NOTIFICATION_MINIMALISM)
     public void display_configSet_showDisplay() {
         Settings.Secure.putInt(mContext.getContentResolver(),
                 LOCK_SCREEN_SHOW_ONLY_UNSEEN_NOTIFICATIONS, OFF);
@@ -81,6 +89,15 @@
     }
 
     @Test
+    @EnableFlags(com.android.server.notification.Flags.FLAG_NOTIFICATION_MINIMALISM)
+    public void display_configUnset_minimalismEnabled_shouldDisplay() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                LOCK_SCREEN_SHOW_ONLY_UNSEEN_NOTIFICATIONS, ON);
+        mController.displayPreference(mScreen);
+        assertThat(mPreference.isVisible()).isTrue();
+    }
+
+    @Test
     public void isChecked_settingIsOff_shouldReturnFalse() {
         Settings.Secure.putInt(mContext.getContentResolver(),
                 LOCK_SCREEN_SHOW_ONLY_UNSEEN_NOTIFICATIONS, OFF);