1 /* 2 * Copyright (C) 2016 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.settingslib.deviceinfo; 18 19 import android.app.AppGlobals; 20 import android.app.usage.StorageStatsManager; 21 import android.content.Context; 22 import android.os.storage.VolumeInfo; 23 import android.util.Log; 24 25 import java.io.IOException; 26 27 /** 28 * PrivateStorageInfo provides information about the total and free storage on the device. 29 */ 30 public class PrivateStorageInfo { 31 private static final String TAG = "PrivateStorageInfo"; 32 33 public final long freeBytes; 34 public final long totalBytes; 35 36 public PrivateStorageInfo(long freeBytes, long totalBytes) { 37 this.freeBytes = freeBytes; 38 this.totalBytes = totalBytes; 39 } 40 41 public static PrivateStorageInfo getPrivateStorageInfo(StorageVolumeProvider sm) { 42 final Context context = AppGlobals.getInitialApplication(); 43 final StorageStatsManager stats = context.getSystemService(StorageStatsManager.class); 44 45 long privateFreeBytes = 0; 46 long privateTotalBytes = 0; 47 for (VolumeInfo info : sm.getVolumes()) { 48 if (info.getType() == VolumeInfo.TYPE_PRIVATE && info.isMountedReadable()) { 49 try { 50 privateTotalBytes += sm.getTotalBytes(stats, info); 51 privateFreeBytes += sm.getFreeBytes(stats, info); 52 } catch (IOException e) { 53 Log.w(TAG, e); 54 } 55 } 56 } 57 return new PrivateStorageInfo(privateFreeBytes, privateTotalBytes); 58 } 59 60 public static long getTotalSize(VolumeInfo info, long totalInternalStorage) { 61 final Context context = AppGlobals.getInitialApplication(); 62 final StorageStatsManager stats = context.getSystemService(StorageStatsManager.class); 63 try { 64 return stats.getTotalBytes(info.getFsUuid()); 65 } catch (IOException e) { 66 Log.w(TAG, e); 67 return 0; 68 } 69 } 70 } 71
