Use list+ toggle on devices without face detection

Test: verified intended behavior on crosshatch and no regression on flame, make RunSettingsRoboTests -j$(nproc) ROBOTEST_FILTER=SmartAutoRotatePreferenceFragmentTest

Bug: 181299673
Change-Id: Ic9f44091e95915bc78bc70b86d7f132ba6e159ed

res/xml/auto_rotate_settings.xml

@@ -20,6 +20,11 @@
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:title="@string/accelerometer_title" >
 
+    <SwitchPreference
+        android:key="auto_rotate_switch"
+        android:title="@string/auto_rotate_settings_primary_switch_title"
+        settings:controller="com.android.settings.display.AutoRotatePreferenceController"/>
+
     <com.android.settingslib.widget.BannerMessagePreference
         android:key="face_rotate_permission"
         android:title="@string/adaptive_sleep_title_no_permission"

src/com/android/settings/display/AutoRotatePreferenceController.java

@@ -28,7 +28,6 @@ import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnPause;
 import com.android.settingslib.core.lifecycle.events.OnResume;
 
-// TODO b/180515542 this class is no longer needed on S+
 public class AutoRotatePreferenceController extends TogglePreferenceController implements
         PreferenceControllerMixin, Preference.OnPreferenceChangeListener, LifecycleObserver,
         OnResume, OnPause {

src/com/android/settings/display/SmartAutoRotatePreferenceFragment.java

@@ -25,6 +25,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 
 import com.android.internal.view.RotationPolicy;
@@ -48,6 +49,7 @@ public class SmartAutoRotatePreferenceFragment extends DashboardFragment {
 
     private RotationPolicy.RotationPolicyListener mRotationPolicyListener;
     private AutoRotateSwitchBarController mSwitchBarController;
+    @VisibleForTesting static final String AUTO_ROTATE_SWITCH_PREFERENCE_ID = "auto_rotate_switch";
 
     @Override
     protected int getPreferenceScreenResId() {
@@ -65,12 +67,7 @@ public class SmartAutoRotatePreferenceFragment extends DashboardFragment {
             Bundle savedInstanceState) {
         final View view = super.onCreateView(inflater, container, savedInstanceState);
         final SettingsActivity activity = (SettingsActivity) getActivity();
-        final SettingsMainSwitchBar switchBar = activity.getSwitchBar();
+        createHeader(activity);
-        switchBar.setTitle(
-                getContext().getString(R.string.auto_rotate_settings_primary_switch_title));
-        switchBar.show();
-        mSwitchBarController = new AutoRotateSwitchBarController(activity, switchBar,
-                getSettingsLifecycle());
         final Preference footerPreference = findPreference(FooterPreference.KEY_FOOTER);
         if (footerPreference != null) {
             footerPreference.setTitle(Html.fromHtml(getString(R.string.smart_rotate_text_headline),
@@ -80,6 +77,19 @@ public class SmartAutoRotatePreferenceFragment extends DashboardFragment {
         return view;
     }
 
+    @VisibleForTesting
+    void createHeader(SettingsActivity activity) {
+        if (isRotationResolverServiceAvailable(activity)) {
+            final SettingsMainSwitchBar switchBar = activity.getSwitchBar();
+            switchBar.setTitle(
+                    getContext().getString(R.string.auto_rotate_settings_primary_switch_title));
+            switchBar.show();
+            mSwitchBarController = new AutoRotateSwitchBarController(activity, switchBar,
+                    getSettingsLifecycle());
+            findPreference(AUTO_ROTATE_SWITCH_PREFERENCE_ID).setVisible(false);
+        }
+    }
+
     @Override
     public void onResume() {
         super.onResume();
@@ -87,7 +97,9 @@ public class SmartAutoRotatePreferenceFragment extends DashboardFragment {
             mRotationPolicyListener = new RotationPolicy.RotationPolicyListener() {
                 @Override
                 public void onChange() {
-                    mSwitchBarController.onChange();
+                    if (mSwitchBarController != null) {
+                        mSwitchBarController.onChange();
+                    }
                 }
             };
         }

tests/robotests/src/com/android/settings/display/SmartAutoRotatePreferenceFragmentTest.java

@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2021 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.display;
+
+import static com.android.settings.display.SmartAutoRotatePreferenceFragment.AUTO_ROTATE_SWITCH_PREFERENCE_ID;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.Manifest;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.view.View;
+
+import androidx.preference.Preference;
+
+import com.android.settings.R;
+import com.android.settings.SettingsActivity;
+import com.android.settings.testutils.ResolveInfoBuilder;
+import com.android.settings.widget.SettingsMainSwitchBar;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class SmartAutoRotatePreferenceFragmentTest {
+
+    private static final String PACKAGE_NAME = "package_name";
+
+    private SmartAutoRotatePreferenceFragment mFragment;
+
+    private SettingsMainSwitchBar mSwitchBar;
+
+    @Mock
+    private PackageManager mPackageManager;
+
+    @Mock
+    private View mView;
+
+    @Mock
+    private SettingsActivity mActivity;
+
+    @Mock
+    private Preference mRotateSwitchPreference;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        final Context context = spy(RuntimeEnvironment.application);
+        ContentResolver mContentResolver = RuntimeEnvironment.application.getContentResolver();
+        when(context.getPackageManager()).thenReturn(mPackageManager);
+        when(context.getContentResolver()).thenReturn(mContentResolver);
+        doReturn(PACKAGE_NAME).when(mPackageManager).getRotationResolverPackageName();
+        doReturn(PackageManager.PERMISSION_GRANTED).when(mPackageManager).checkPermission(
+                Manifest.permission.CAMERA, PACKAGE_NAME);
+
+        final ResolveInfo resolveInfo = new ResolveInfoBuilder(PACKAGE_NAME).build();
+        resolveInfo.serviceInfo = new ServiceInfo();
+        when(mPackageManager.resolveService(any(), anyInt())).thenReturn(resolveInfo);
+
+        mFragment = spy(new SmartAutoRotatePreferenceFragment());
+        when(mActivity.getPackageManager()).thenReturn(mPackageManager);
+        when(mFragment.getActivity()).thenReturn(mActivity);
+        when(mFragment.getContext()).thenReturn(context);
+        doReturn(mView).when(mFragment).getView();
+
+        when(mFragment.findPreference(AUTO_ROTATE_SWITCH_PREFERENCE_ID)).thenReturn(
+                mRotateSwitchPreference);
+
+        mSwitchBar = spy(new SettingsMainSwitchBar(context));
+        when(mActivity.getSwitchBar()).thenReturn(mSwitchBar);
+        doReturn(mSwitchBar).when(mView).findViewById(R.id.switch_bar);
+    }
+
+
+    @Test
+    public void createHeader_faceDetectionSupported_switchBarIsEnabled() {
+        mFragment.createHeader(mActivity);
+
+        verify(mSwitchBar, times(1)).show();
+        verify(mRotateSwitchPreference, times(1)).setVisible(false);
+    }
+
+    @Test
+    public void createHeader_faceDetectionUnSupported_switchBarIsDisabled() {
+        doReturn(null).when(mPackageManager).getRotationResolverPackageName();
+
+        mFragment.createHeader(mActivity);
+
+        verify(mSwitchBar, never()).show();
+        verify(mRotateSwitchPreference, never()).setVisible(false);
+    }
+
+}