1 /*
2  * Copyright (C) 2016 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 package com.android.server.backup;
17 
18 import android.app.backup.BlobBackupHelper;
19 import android.content.Context;
20 import android.content.pm.IShortcutService;
21 import android.os.ServiceManager;
22 import android.util.Slog;
23 
24 public class ShortcutBackupHelper extends BlobBackupHelper {
25     private static final String TAG = "ShortcutBackupAgent";
26     private static final int BLOB_VERSION = 1;
27 
28     private static final String KEY_USER_FILE = "shortcutuser.xml";
29 
30     private final int mUserId;
31 
ShortcutBackupHelper(int userId)32     public ShortcutBackupHelper(int userId) {
33         super(BLOB_VERSION, KEY_USER_FILE);
34         mUserId = userId;
35     }
36 
getShortcutService()37     private IShortcutService getShortcutService() {
38         return IShortcutService.Stub.asInterface(
39                 ServiceManager.getService(Context.SHORTCUT_SERVICE));
40     }
41 
42     @Override
getBackupPayload(String key)43     protected byte[] getBackupPayload(String key) {
44         switch (key) {
45             case KEY_USER_FILE:
46                 try {
47                     return getShortcutService().getBackupPayload(mUserId);
48                 } catch (Exception e) {
49                     Slog.wtf(TAG, "Backup failed", e);
50                 }
51                 break;
52             default:
53                 Slog.w(TAG, "Unknown key: " + key);
54         }
55         return null;
56     }
57 
58     @Override
applyRestoredPayload(String key, byte[] payload)59     protected void applyRestoredPayload(String key, byte[] payload) {
60         switch (key) {
61             case KEY_USER_FILE:
62                 try {
63                     getShortcutService().applyRestore(payload, mUserId);
64                 } catch (Exception e) {
65                     Slog.wtf(TAG, "Restore failed", e);
66                 }
67                 break;
68             default:
69                 Slog.w(TAG, "Unknown key: " + key);
70         }
71     }
72 }
73