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