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 android.mtp; 18 19 import android.compat.annotation.UnsupportedAppUsage; 20 import android.os.storage.StorageVolume; 21 22 /** 23 * This class represents a storage unit on an MTP device. 24 * Used only for MTP support in USB responder mode. 25 * MtpStorageInfo is used in MTP host mode 26 * 27 * @hide 28 */ 29 public class MtpStorage { 30 private final int mStorageId; 31 private final String mPath; 32 private final String mDescription; 33 private final boolean mRemovable; 34 private final long mMaxFileSize; 35 private final String mVolumeName; 36 MtpStorage(StorageVolume volume, int storageId)37 public MtpStorage(StorageVolume volume, int storageId) { 38 mStorageId = storageId; 39 mPath = volume.getPath(); 40 mDescription = volume.getDescription(null); 41 mRemovable = volume.isRemovable(); 42 mMaxFileSize = volume.getMaxFileSize(); 43 mVolumeName = volume.getMediaStoreVolumeName(); 44 } 45 46 /** 47 * Returns the storage ID for the storage unit 48 * 49 * @return the storage ID 50 */ 51 @UnsupportedAppUsage getStorageId()52 public final int getStorageId() { 53 return mStorageId; 54 } 55 56 /** 57 * Returns the file path for the storage unit's storage in the file system 58 * 59 * @return the storage file path 60 */ 61 @UnsupportedAppUsage getPath()62 public final String getPath() { 63 return mPath; 64 } 65 66 /** 67 * Returns the description string for the storage unit 68 * 69 * @return the storage unit description 70 */ getDescription()71 public final String getDescription() { 72 return mDescription; 73 } 74 75 /** 76 * Returns true if the storage is removable. 77 * 78 * @return is removable 79 */ isRemovable()80 public final boolean isRemovable() { 81 return mRemovable; 82 } 83 84 /** 85 * Returns maximum file size for the storage, or zero if it is unbounded. 86 * 87 * @return maximum file size 88 */ getMaxFileSize()89 public long getMaxFileSize() { 90 return mMaxFileSize; 91 } 92 getVolumeName()93 public String getVolumeName() { 94 return mVolumeName; 95 } 96 } 97