1 /* 2 * Copyright 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.settings.datausage; 18 19 import android.car.drivingstate.CarUxRestrictions; 20 import android.content.Context; 21 import android.telephony.SubscriptionManager; 22 23 import androidx.preference.Preference; 24 25 import com.android.car.settings.common.FragmentController; 26 import com.android.car.settings.common.PreferenceController; 27 28 /** 29 * Controller to handle the business logic for AppDataUsage preference on the data usage screen 30 */ 31 public class DataUsagePreferenceController extends PreferenceController<Preference> { 32 33 private int mSubId = Integer.MIN_VALUE; 34 35 private SubscriptionManager mSubscriptionManager; 36 DataUsagePreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)37 public DataUsagePreferenceController(Context context, String preferenceKey, 38 FragmentController fragmentController, CarUxRestrictions uxRestrictions) { 39 super(context, preferenceKey, fragmentController, uxRestrictions); 40 mSubscriptionManager = context.getSystemService(SubscriptionManager.class); 41 } 42 43 @Override getPreferenceType()44 protected Class<Preference> getPreferenceType() { 45 return Preference.class; 46 } 47 48 @Override handlePreferenceClicked(Preference preference)49 protected boolean handlePreferenceClicked(Preference preference) { 50 int subId = mSubId != Integer.MIN_VALUE ? mSubId : getDefaultSubId(); 51 AppDataUsageFragment appDataUsageFragment = AppDataUsageFragment.newInstance(subId); 52 getFragmentController().launchFragment(appDataUsageFragment); 53 return true; 54 } 55 56 /** 57 * Sets the subId for which data usage will be loaded. If this is not set then default subId 58 * will be used to load data. 59 */ setSubId(int subId)60 public void setSubId(int subId) { 61 mSubId = subId; 62 } 63 getDefaultSubId()64 private int getDefaultSubId() { 65 return DataUsageUtils.getDefaultSubscriptionId(mSubscriptionManager); 66 } 67 } 68