1 /* 2 * Copyright (C) 2019 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.developeroptions.privacy; 18 19 import android.accessibilityservice.AccessibilityServiceInfo; 20 import android.content.Context; 21 import android.provider.DeviceConfig; 22 import android.view.accessibility.AccessibilityManager; 23 24 import androidx.annotation.NonNull; 25 import androidx.preference.Preference; 26 27 import com.android.car.developeroptions.R; 28 import com.android.car.developeroptions.Utils; 29 import com.android.car.developeroptions.core.BasePreferenceController; 30 31 import java.util.List; 32 33 34 public class AccessibilityUsagePreferenceController extends BasePreferenceController { 35 36 private final @NonNull List<AccessibilityServiceInfo> mEnabledServiceInfos; 37 AccessibilityUsagePreferenceController(Context context, String preferenceKey)38 public AccessibilityUsagePreferenceController(Context context, String preferenceKey) { 39 super(context, preferenceKey); 40 41 final AccessibilityManager accessibilityManager = context.getSystemService( 42 AccessibilityManager.class); 43 mEnabledServiceInfos = accessibilityManager.getEnabledAccessibilityServiceList( 44 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 45 } 46 47 @Override getAvailabilityStatus()48 public int getAvailabilityStatus() { 49 return (mEnabledServiceInfos.isEmpty() || !Boolean.parseBoolean( 50 DeviceConfig.getProperty(DeviceConfig.NAMESPACE_PRIVACY, 51 Utils.PROPERTY_PERMISSIONS_HUB_ENABLED))) 52 ? UNSUPPORTED_ON_DEVICE : AVAILABLE; 53 } 54 55 @Override getSummary()56 public CharSequence getSummary() { 57 return mContext.getResources().getQuantityString(R.plurals.accessibility_usage_summary, 58 mEnabledServiceInfos.size(), mEnabledServiceInfos.size()); 59 } 60 } 61