1 /*
2  * Copyright (C) 2019 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.content.pm;
18 
19 /**
20  * Callbacks from a data loader binder service to report data loader status.
21  * @hide
22  */
23 oneway interface IDataLoaderStatusListener {
24     /** The DataLoader process died, binder disconnected or class destroyed. */
25     const int DATA_LOADER_DESTROYED = 0;
26     /** DataLoader process is running and bound to. */
27     const int DATA_LOADER_BOUND = 1;
28     /** DataLoader has handled onCreate(). */
29     const int DATA_LOADER_CREATED = 2;
30 
31     /** DataLoader can receive missing pages and read pages notifications,
32      *  and ready to provide data. */
33     const int DATA_LOADER_STARTED = 3;
34     /** DataLoader no longer ready to provide data and is not receiving
35     *   any notifications from IncFS. */
36     const int DATA_LOADER_STOPPED = 4;
37 
38     /** DataLoader streamed everything necessary to continue installation. */
39     const int DATA_LOADER_IMAGE_READY = 5;
40     /** Installation can't continue as DataLoader failed to stream necessary data. */
41     const int DATA_LOADER_IMAGE_NOT_READY = 6;
42 
43     /** DataLoader instance can't run at the moment, but might recover later.
44      *  It's up to system to decide if the app is still usable. */
45     const int DATA_LOADER_UNAVAILABLE = 7;
46 
47     /** DataLoader reports that this instance is invalid and can never be restored.
48     *   Warning: this is a terminal status that data loader should use carefully and
49     *            the system should almost never use - e.g. only if all recovery attempts
50     *            fail and all retry limits are exceeded. */
51     const int DATA_LOADER_UNRECOVERABLE = 8;
52 
53     /** Data loader status callback */
onStatusChanged(in int dataLoaderId, in int status)54     void onStatusChanged(in int dataLoaderId, in int status);
55 }
56 
57