1/*
2 * Copyright (C) 2014 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 com.android.server;
18
19import java.util.List;
20
21/**
22 * Shim to allow core/backup to communicate with the app widget service
23 * about various important events without needing to be able to see the
24 * implementation of the service.
25 *
26 * @hide
27 */
28public interface WidgetBackupProvider {
29    public List<String> getWidgetParticipants(int userId);
30    public byte[] getWidgetState(String packageName, int userId);
31    public void restoreStarting(int userId);
32    public void restoreWidgetState(String packageName, byte[] restoredState, int userId);
33    public void restoreFinished(int userId);
34}
35