Add warning message when camera privacy lock is enabled for screen attention settings

Test: locally with flame, make RunSettingsRoboTests -j$(nproc)
ROBOTEST_FILTER=AdaptiveSleepCameraStatePreferenceControllerTest,
AdaptiveSleepPreferenceControllerTest

Bug: 177462182
Change-Id: I9880d6b82e9a5040534aceda4ff15275e0bcf72a

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

@@ -0,0 +1,83 @@
+/*
+ * 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 androidx.test.core.app.ApplicationProvider.getApplicationContext;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.testutils.shadow.ShadowSensorPrivacyManager;
+
+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.annotation.Config;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowSensorPrivacyManager.class)
+public class AdaptiveSleepCameraStatePreferenceControllerTest {
+    private Context mContext;
+    private AdaptiveSleepCameraStatePreferenceController mController;
+
+    @Mock
+    private PackageManager mPackageManager;
+    @Mock
+    private PreferenceScreen mScreen;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(getApplicationContext());
+
+        doReturn(mPackageManager).when(mContext).getPackageManager();
+        when(mPackageManager.getAttentionServicePackageName()).thenReturn("some.package");
+        when(mPackageManager.checkPermission(any(), any())).thenReturn(
+                PackageManager.PERMISSION_GRANTED);
+
+        mController = new AdaptiveSleepCameraStatePreferenceController(mContext);
+        when(mController.isCameraLocked()).thenReturn(false);
+    }
+
+    @Test
+    public void addToScreen_normalCase_hidePreference() {
+        mController.addToScreen(mScreen);
+
+        assertThat(mController.mPreference.isVisible()).isFalse();
+    }
+
+    @Test
+    public void addToScreen_cameraIsLocked_showPreference() {
+        when(mController.isCameraLocked()).thenReturn(true);
+
+        mController.addToScreen(mScreen);
+
+        assertThat(mController.mPreference.isVisible()).isTrue();
+    }
+}

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

@@ -43,6 +43,7 @@ import android.provider.Settings;
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.bluetooth.RestrictionUtils;
+import com.android.settings.testutils.shadow.ShadowSensorPrivacyManager;
 import com.android.settingslib.RestrictedLockUtils;
 
 import org.junit.Before;
@@ -51,8 +52,10 @@ import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
 
 @RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowSensorPrivacyManager.class)
 public class AdaptiveSleepPreferenceControllerTest {
     private Context mContext;
     private AdaptiveSleepPreferenceController mController;
@@ -81,6 +84,7 @@ public class AdaptiveSleepPreferenceControllerTest {
                 eq(UserManager.DISALLOW_CONFIG_SCREEN_TIMEOUT))).thenReturn(null);
 
         mController = new AdaptiveSleepPreferenceController(mContext, mRestrictionUtils);
+        when(mController.isCameraLocked()).thenReturn(false);
     }
 
     @Test
@@ -160,4 +164,13 @@ public class AdaptiveSleepPreferenceControllerTest {
 
         assertThat(mController.mPreference.isEnabled()).isFalse();
     }
+
+    @Test
+    public void addToScreen_cameraIsLocked_disablePreference() {
+        when(mController.isCameraLocked()).thenReturn(true);
+
+        mController.addToScreen(mScreen);
+
+        assertThat(mController.mPreference.isEnabled()).isFalse();
+    }
 }