Show the Tangor Unseen Notification Toggle when notification_minimalism is Enabled

Show the Tangor unseen notification toggle in the Notification settings when
notification_minimalism flag is enabled on both phones and large screen devices.

Bug: 330387368
Bug: 354047572
Flag: com.android.server.notification.notification_minimalism
Test: atest ShowOnlyUnseenNotificationsOnLockscreenPreferenceControllerTest
Change-Id: Ic126b7885eb29897b55c4acdc1a2f73b4bc7841e

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 android.provider.Settings;
 
 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 @@ public class ShowOnlyUnseenNotificationsOnLockscreenPreferenceController
 
     @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 class ShowOnlyUnseenNotificationsOnLockscreenPreferenceController
     public int getSliceHighlightMenuRes() {
         return R.string.menu_key_notifications;
     }
+
+    private boolean isNotifOnLockScreenEnabled() {
+        return Settings.Secure.getInt(mContext.getContentResolver(),
+                LOCK_SCREEN_SHOW_NOTIFICATIONS, 0) == 1;
+    }
 }

tests/robotests/src/com/android/settings/notification/ShowOnlyUnseenNotificationsOnLockscreenPreferenceControllerTest.java

@@ -29,12 +29,16 @@ 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;
@@ -53,6 +57,8 @@ public class ShowOnlyUnseenNotificationsOnLockscreenPreferenceControllerTest {
 
     private ShowOnlyUnseenNotificationsOnLockscreenPreferenceController mController;
     private Preference mPreference;
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
 
     @Before
     public void setUp() {
@@ -67,12 +73,14 @@ public class ShowOnlyUnseenNotificationsOnLockscreenPreferenceControllerTest {
     }
 
     @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);
@@ -80,6 +88,15 @@ public class ShowOnlyUnseenNotificationsOnLockscreenPreferenceControllerTest {
         assertThat(mPreference.isVisible()).isTrue();
     }
 
+    @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(),