1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.car.settings.privacy; 18 19 import android.car.drivingstate.CarUxRestrictions; 20 import android.content.Context; 21 import android.content.pm.PackageManager; 22 import android.os.SystemProperties; 23 24 import com.android.car.settings.common.FragmentController; 25 import com.android.car.settings.common.PreferenceController; 26 import com.android.car.ui.preference.CarUiPreference; 27 28 /** Business logic for controlling the privacy center camera setting. */ 29 public class CameraPreferenceController 30 extends PreferenceController<CarUiPreference> { 31 private static final String DISABLE_CAMERASERVICE_SYSTEM_PROPERTY = 32 "config.disable_cameraservice"; 33 public static final String PERMISSION_GROUP_CAMERA = "android.permission-group.CAMERA"; 34 35 private PackageManager mPm; 36 CameraPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)37 public CameraPreferenceController(Context context, String preferenceKey, 38 FragmentController fragmentController, CarUxRestrictions uxRestrictions) { 39 super(context, preferenceKey, fragmentController, uxRestrictions); 40 mPm = context.getPackageManager(); 41 } 42 43 @Override getPreferenceType()44 protected Class<CarUiPreference> getPreferenceType() { 45 return CarUiPreference.class; 46 } 47 48 @Override getDefaultAvailabilityStatus()49 protected int getDefaultAvailabilityStatus() { 50 // Shows the camera preference controller if and only if the system has any camera device 51 // and the camera service is not disabled. 52 boolean hasCamera = mPm.hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY); 53 boolean isCameraServiceDisabled = SystemProperties.getBoolean( 54 DISABLE_CAMERASERVICE_SYSTEM_PROPERTY, false); 55 return (hasCamera && !isCameraServiceDisabled) ? AVAILABLE : UNSUPPORTED_ON_DEVICE; 56 } 57 } 58