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
17package android.os.storage;
18
19/**
20 * Callback class for receiving progress reports during a restore operation.  These
21 * methods will all be called on your application's main thread.
22 * @hide
23 */
24public abstract class MountServiceListener {
25    /**
26     * USB Mass storage connection state has changed.
27     *
28     * @param connected True if UMS is connected.
29     */
30    void onUsbMassStorageConnectionChanged(boolean connected) {
31    }
32
33    /**
34     *  Storage state has changed.
35     *
36     * @param path The volume mount path.
37     * @param oldState The old state of the volume.
38     * @param newState The new state of the volume.
39     *
40     * @Note: State is one of the values returned by Environment.getExternalStorageState()
41     */
42    void onStorageStateChange(String path, String oldState, String newState) {
43    }
44}
45