1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the 10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 11 * KIND, either express or implied. See the License for the specific language governing 12 * permissions and limitations under the License. 13 */ 14 15 package com.android.settings.datausage; 16 17 import android.net.NetworkPolicy; 18 import com.android.settingslib.net.DataUsageController.DataUsageInfo; 19 20 /** 21 * Controller to handle caching and mobile data logic. 22 */ 23 public class DataUsageInfoController { 24 /** 25 * Take the cached data usage values in the NetworkPolicy to update DataUsageInfo. 26 */ updateDataLimit(DataUsageInfo info, NetworkPolicy policy)27 public void updateDataLimit(DataUsageInfo info, NetworkPolicy policy) { 28 if (info == null || policy == null) { 29 return; 30 } 31 if (policy.warningBytes >= 0) { 32 info.warningLevel = policy.warningBytes; 33 } 34 if (policy.limitBytes >= 0) { 35 info.limitLevel = policy.limitBytes; 36 } 37 } 38 39 /** 40 * @returns the most appropriate limit for the data usage summary. Use the total usage when it 41 * is higher than the limit and warning level. Use the limit when it is set and less than usage. 42 * Otherwise use warning level. 43 */ getSummaryLimit(DataUsageInfo info)44 public long getSummaryLimit(DataUsageInfo info) { 45 long limit = info.limitLevel; 46 if (limit <= 0) { 47 limit = info.warningLevel; 48 } 49 if (info.usageLevel > limit) { 50 limit = info.usageLevel; 51 } 52 return limit; 53 } 54 } 55