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 19 import com.android.settingslib.net.DataUsageController.DataUsageInfo; 20 21 /** 22 * Controller to handle caching and mobile data logic. 23 */ 24 public class DataUsageInfoController { 25 /** 26 * Take the cached data usage values in the NetworkPolicy to update DataUsageInfo. 27 */ updateDataLimit(DataUsageInfo info, NetworkPolicy policy)28 public void updateDataLimit(DataUsageInfo info, NetworkPolicy policy) { 29 if (info == null || policy == null) { 30 return; 31 } 32 if (policy.warningBytes >= 0) { 33 info.warningLevel = policy.warningBytes; 34 } 35 if (policy.limitBytes >= 0) { 36 info.limitLevel = policy.limitBytes; 37 } 38 } 39 40 /** 41 * @returns the most appropriate limit for the data usage summary. Use the total usage when it 42 * is higher than the limit and warning level. Use the limit when it is set and less than usage. 43 * Otherwise use warning level. 44 */ getSummaryLimit(DataUsageInfo info)45 public long getSummaryLimit(DataUsageInfo info) { 46 long limit = info.limitLevel; 47 if (limit <= 0) { 48 limit = info.warningLevel; 49 } 50 if (info.usageLevel > limit) { 51 limit = info.usageLevel; 52 } 53 return limit; 54 } 55 } 56