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.network.telephony; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.net.NetworkTemplate; 22 import android.provider.Settings; 23 import android.telephony.SubscriptionManager; 24 import android.text.TextUtils; 25 26 import androidx.preference.Preference; 27 28 import com.android.settings.R; 29 import com.android.settings.datausage.DataUsageUtils; 30 import com.android.settingslib.net.DataUsageController; 31 32 /** 33 * Preference controller for "Data usage" 34 */ 35 public class DataUsagePreferenceController extends TelephonyBasePreferenceController { 36 37 private NetworkTemplate mTemplate; 38 private DataUsageController.DataUsageInfo mDataUsageInfo; 39 private Intent mIntent; 40 DataUsagePreferenceController(Context context, String key)41 public DataUsagePreferenceController(Context context, String key) { 42 super(context, key); 43 } 44 45 @Override getAvailabilityStatus(int subId)46 public int getAvailabilityStatus(int subId) { 47 return subId != SubscriptionManager.INVALID_SUBSCRIPTION_ID 48 ? AVAILABLE 49 : AVAILABLE_UNSEARCHABLE; 50 } 51 52 @Override handlePreferenceTreeClick(Preference preference)53 public boolean handlePreferenceTreeClick(Preference preference) { 54 if (TextUtils.equals(preference.getKey(), getPreferenceKey())) { 55 mContext.startActivity(mIntent); 56 return true; 57 } 58 59 return false; 60 } 61 62 @Override updateState(Preference preference)63 public void updateState(Preference preference) { 64 super.updateState(preference); 65 if (mSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) { 66 preference.setEnabled(false); 67 return; 68 } 69 long usageLevel = mDataUsageInfo.usageLevel; 70 if (usageLevel <= 0L) { 71 final DataUsageController controller = new DataUsageController(mContext); 72 usageLevel = controller.getHistoricalUsageLevel(mTemplate); 73 } 74 final boolean enabled = usageLevel > 0L; 75 preference.setEnabled(enabled); 76 77 if (enabled) { 78 preference.setSummary(mContext.getString(R.string.data_usage_template, 79 DataUsageUtils.formatDataUsage(mContext, mDataUsageInfo.usageLevel), 80 mDataUsageInfo.period)); 81 } 82 } 83 init(int subId)84 public void init(int subId) { 85 mSubId = subId; 86 87 if (mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) { 88 mTemplate = DataUsageUtils.getDefaultTemplate(mContext, mSubId); 89 90 final DataUsageController controller = new DataUsageController(mContext); 91 controller.setSubscriptionId(mSubId); 92 mDataUsageInfo = controller.getDataUsageInfo(mTemplate); 93 94 mIntent = new Intent(Settings.ACTION_MOBILE_DATA_USAGE); 95 mIntent.putExtra(Settings.EXTRA_NETWORK_TEMPLATE, mTemplate); 96 mIntent.putExtra(Settings.EXTRA_SUB_ID, mSubId); 97 } 98 } 99 } 100