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.usage.StorageStatsManager;
20 import android.os.storage.StorageManager;
21 import android.os.storage.VolumeInfo;
22 
23 import java.io.IOException;
24 import java.util.List;
25 
26 /**
27  * StorageManagerVolumeProvider is a thin wrapper around the StorageManager to provide insight into
28  * the storage volumes on a device.
29  */
30 public class StorageManagerVolumeProvider implements StorageVolumeProvider {
31     private StorageManager mStorageManager;
32 
StorageManagerVolumeProvider(StorageManager sm)33     public StorageManagerVolumeProvider(StorageManager sm) {
34         mStorageManager = sm;
35     }
36 
37     @Override
getPrimaryStorageSize()38     public long getPrimaryStorageSize() {
39         return mStorageManager.getPrimaryStorageSize();
40     }
41 
42     @Override
getVolumes()43     public List<VolumeInfo> getVolumes() {
44         return mStorageManager.getVolumes();
45     }
46 
47     @Override
findEmulatedForPrivate(VolumeInfo privateVolume)48     public VolumeInfo findEmulatedForPrivate(VolumeInfo privateVolume) {
49         return mStorageManager.findEmulatedForPrivate(privateVolume);
50     }
51 
52     @Override
getTotalBytes(StorageStatsManager stats, VolumeInfo volume)53     public long getTotalBytes(StorageStatsManager stats, VolumeInfo volume) throws IOException {
54         return stats.getTotalBytes(volume.getFsUuid());
55     }
56 
57     @Override
getFreeBytes(StorageStatsManager stats, VolumeInfo volume)58     public long getFreeBytes(StorageStatsManager stats, VolumeInfo volume) throws IOException {
59         return stats.getFreeBytes(volume.getFsUuid());
60     }
61 }
62