1 /* 2 * Copyright (C) 2008 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.providers.downloads; 18 19 import android.app.DownloadManager; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.pm.PackageManager.NameNotFoundException; 23 import android.net.ConnectivityManager; 24 import android.net.NetworkInfo; 25 import android.telephony.TelephonyManager; 26 import android.util.Log; 27 28 class RealSystemFacade implements SystemFacade { 29 private Context mContext; 30 31 public RealSystemFacade(Context context) { 32 mContext = context; 33 } 34 35 @Override 36 public long currentTimeMillis() { 37 return System.currentTimeMillis(); 38 } 39 40 @Override 41 public NetworkInfo getActiveNetworkInfo(int uid) { 42 ConnectivityManager connectivity = 43 (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 44 if (connectivity == null) { 45 Log.w(Constants.TAG, "couldn't get connectivity manager"); 46 return null; 47 } 48 49 final NetworkInfo activeInfo = connectivity.getActiveNetworkInfoForUid(uid); 50 if (activeInfo == null && Constants.LOGVV) { 51 Log.v(Constants.TAG, "network is not available"); 52 } 53 return activeInfo; 54 } 55 56 @Override 57 public boolean isActiveNetworkMetered() { 58 final ConnectivityManager conn = ConnectivityManager.from(mContext); 59 return conn.isActiveNetworkMetered(); 60 } 61 62 @Override 63 public boolean isNetworkRoaming() { 64 ConnectivityManager connectivity = 65 (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 66 if (connectivity == null) { 67 Log.w(Constants.TAG, "couldn't get connectivity manager"); 68 return false; 69 } 70 71 NetworkInfo info = connectivity.getActiveNetworkInfo(); 72 boolean isMobile = (info != null && info.getType() == ConnectivityManager.TYPE_MOBILE); 73 boolean isRoaming = isMobile && TelephonyManager.getDefault().isNetworkRoaming(); 74 if (Constants.LOGVV && isRoaming) { 75 Log.v(Constants.TAG, "network is roaming"); 76 } 77 return isRoaming; 78 } 79 80 @Override 81 public Long getMaxBytesOverMobile() { 82 return DownloadManager.getMaxBytesOverMobile(mContext); 83 } 84 85 @Override 86 public Long getRecommendedMaxBytesOverMobile() { 87 return DownloadManager.getRecommendedMaxBytesOverMobile(mContext); 88 } 89 90 @Override 91 public void sendBroadcast(Intent intent) { 92 mContext.sendBroadcast(intent); 93 } 94 95 @Override 96 public boolean userOwnsPackage(int uid, String packageName) throws NameNotFoundException { 97 return mContext.getPackageManager().getApplicationInfo(packageName, 0).uid == uid; 98 } 99 } 100
