| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.mtp; |
| |
| import android.content.Context; |
| import android.os.storage.StorageVolume; |
| |
| /** |
| * This class represents a storage unit on an MTP device. |
| * Used only for MTP support in USB responder mode. |
| * MtpStorageInfo is used in MTP host mode |
| * |
| * @hide |
| */ |
| public class MtpStorage { |
| |
| private final int mStorageId; |
| private final String mPath; |
| private final String mDescription; |
| private final long mReserveSpace; |
| private final boolean mRemovable; |
| private final long mMaxFileSize; |
| |
| public MtpStorage(StorageVolume volume, Context context) { |
| mStorageId = volume.getStorageId(); |
| mPath = volume.getPath(); |
| mDescription = context.getResources().getString(volume.getDescriptionId()); |
| mReserveSpace = volume.getMtpReserveSpace() * 1024 * 1024; |
| mRemovable = volume.isRemovable(); |
| mMaxFileSize = volume.getMaxFileSize(); |
| } |
| |
| /** |
| * Returns the storage ID for the storage unit |
| * |
| * @return the storage ID |
| */ |
| public final int getStorageId() { |
| return mStorageId; |
| } |
| |
| /** |
| * Generates a storage ID for storage of given index. |
| * Index 0 is for primary external storage |
| * |
| * @return the storage ID |
| */ |
| public static int getStorageId(int index) { |
| // storage ID is 0x00010001 for primary storage, |
| // then 0x00020001, 0x00030001, etc. for secondary storages |
| return ((index + 1) << 16) + 1; |
| } |
| |
| /** |
| * Returns the file path for the storage unit's storage in the file system |
| * |
| * @return the storage file path |
| */ |
| public final String getPath() { |
| return mPath; |
| } |
| |
| /** |
| * Returns the description string for the storage unit |
| * |
| * @return the storage unit description |
| */ |
| public final String getDescription() { |
| return mDescription; |
| } |
| |
| /** |
| * Returns the amount of space to reserve on the storage file system. |
| * This can be set to a non-zero value to prevent MTP from filling up the entire storage. |
| * |
| * @return reserved space in bytes. |
| */ |
| public final long getReserveSpace() { |
| return mReserveSpace; |
| } |
| |
| /** |
| * Returns true if the storage is removable. |
| * |
| * @return is removable |
| */ |
| public final boolean isRemovable() { |
| return mRemovable; |
| } |
| |
| /** |
| * Returns maximum file size for the storage, or zero if it is unbounded. |
| * |
| * @return maximum file size |
| */ |
| public long getMaxFileSize() { |
| return mMaxFileSize; |
| } |
| } |