Home | History | Annotate | Download | only in mtp
      1 /*
      2  * Copyright (C) 2010 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 /**
     20  * This class encapsulates information about a storage unit on an MTP device.
     21  * This corresponds to the StorageInfo Dataset described in
     22  * section 5.2.2 of the MTP specification.
     23  */
     24 public final class MtpStorageInfo {
     25 
     26     private int mStorageId;
     27     private long mMaxCapacity;
     28     private long mFreeSpace;
     29     private String mDescription;
     30     private String mVolumeIdentifier;
     31 
     32     // only instantiated via JNI
     33     private MtpStorageInfo() {
     34     }
     35 
     36     /**
     37      * Returns the storage ID for the storage unit.
     38      * The storage ID uniquely identifies the storage unit on the MTP device.
     39      *
     40      * @return the storage ID
     41      */
     42     public final int getStorageId() {
     43         return mStorageId;
     44     }
     45 
     46     /**
     47      * Returns the maximum storage capacity for the storage unit in bytes
     48      *
     49      * @return the maximum capacity
     50      */
     51     public final long getMaxCapacity() {
     52         return mMaxCapacity;
     53     }
     54 
     55    /**
     56      * Returns the amount of free space in the storage unit in bytes
     57      *
     58      * @return the amount of free space
     59      */
     60     public final long getFreeSpace() {
     61         return mFreeSpace;
     62     }
     63 
     64    /**
     65      * Returns the description string for the storage unit.
     66      * This is typically displayed to the user in the user interface on the
     67      * MTP host.
     68      *
     69      * @return the storage unit description
     70      */
     71     public final String getDescription() {
     72         return mDescription;
     73     }
     74 
     75    /**
     76      * Returns the volume identifier for the storage unit
     77      *
     78      * @return the storage volume identifier
     79      */
     80     public final String getVolumeIdentifier() {
     81         return mVolumeIdentifier;
     82     }
     83 }
     84