1 /* 2 * Copyright (C) 2018 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.settings.fuelgauge.batterytip; 18 19 import android.app.AppOpsManager; 20 import android.content.Context; 21 import android.os.UserManager; 22 23 import androidx.annotation.VisibleForTesting; 24 import androidx.preference.Preference; 25 26 import com.android.settings.R; 27 import com.android.settings.core.BasePreferenceController; 28 import com.android.settings.fuelgauge.PowerUsageFeatureProvider; 29 import com.android.settings.overlay.FeatureFactory; 30 31 /** 32 * Preference controller to control the battery manager 33 */ 34 public class BatteryManagerPreferenceController extends BasePreferenceController { 35 private static final String KEY_BATTERY_MANAGER = "smart_battery_manager"; 36 private PowerUsageFeatureProvider mPowerUsageFeatureProvider; 37 private AppOpsManager mAppOpsManager; 38 private UserManager mUserManager; 39 BatteryManagerPreferenceController(Context context)40 public BatteryManagerPreferenceController(Context context) { 41 super(context, KEY_BATTERY_MANAGER); 42 mPowerUsageFeatureProvider = FeatureFactory.getFactory( 43 context).getPowerUsageFeatureProvider(context); 44 mAppOpsManager = context.getSystemService(AppOpsManager.class); 45 mUserManager = context.getSystemService(UserManager.class); 46 } 47 48 @Override getAvailabilityStatus()49 public int getAvailabilityStatus() { 50 return AVAILABLE_UNSEARCHABLE; 51 } 52 53 @Override updateState(Preference preference)54 public void updateState(Preference preference) { 55 super.updateState(preference); 56 final int num = BatteryTipUtils.getRestrictedAppsList(mAppOpsManager, mUserManager).size(); 57 58 updateSummary(preference, num); 59 } 60 61 @VisibleForTesting updateSummary(Preference preference, int num)62 void updateSummary(Preference preference, int num) { 63 if (num > 0) { 64 preference.setSummary(mContext.getResources().getQuantityString( 65 R.plurals.battery_manager_app_restricted, num, num)); 66 } else { 67 preference.setSummary(R.string.battery_manager_summary); 68 } 69 } 70 } 71