1 /* 2 * Copyright (C) 2011 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.net; 18 19 import android.content.AsyncTaskLoader; 20 import android.content.Context; 21 import android.net.INetworkStatsSession; 22 import android.net.NetworkStats; 23 import android.net.NetworkTemplate; 24 import android.os.Bundle; 25 import android.os.RemoteException; 26 27 public class SummaryForAllUidLoader extends AsyncTaskLoader<NetworkStats> { 28 private static final String KEY_TEMPLATE = "template"; 29 private static final String KEY_START = "start"; 30 private static final String KEY_END = "end"; 31 32 private final INetworkStatsSession mSession; 33 private final Bundle mArgs; 34 buildArgs(NetworkTemplate template, long start, long end)35 public static Bundle buildArgs(NetworkTemplate template, long start, long end) { 36 final Bundle args = new Bundle(); 37 args.putParcelable(KEY_TEMPLATE, template); 38 args.putLong(KEY_START, start); 39 args.putLong(KEY_END, end); 40 return args; 41 } 42 SummaryForAllUidLoader(Context context, INetworkStatsSession session, Bundle args)43 public SummaryForAllUidLoader(Context context, INetworkStatsSession session, Bundle args) { 44 super(context); 45 mSession = session; 46 mArgs = args; 47 } 48 49 @Override onStartLoading()50 protected void onStartLoading() { 51 super.onStartLoading(); 52 forceLoad(); 53 } 54 55 @Override loadInBackground()56 public NetworkStats loadInBackground() { 57 final NetworkTemplate template = mArgs.getParcelable(KEY_TEMPLATE); 58 final long start = mArgs.getLong(KEY_START); 59 final long end = mArgs.getLong(KEY_END); 60 61 try { 62 return mSession.getSummaryForAllUid(template, start, end, false); 63 } catch (RemoteException e) { 64 return null; 65 } 66 } 67 68 @Override onStopLoading()69 protected void onStopLoading() { 70 super.onStopLoading(); 71 cancelLoad(); 72 } 73 74 @Override onReset()75 protected void onReset() { 76 super.onReset(); 77 cancelLoad(); 78 } 79 } 80