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 17 package com.android.server; 18 19 import java.util.List; 20 21 /** 22 * Runtime bridge between the Backup Manager Service and the App Widget Service, 23 * since those two modules are intentionally decoupled for modularity. 24 * 25 * @hide 26 */ 27 public class AppWidgetBackupBridge { 28 private static WidgetBackupProvider sAppWidgetService; 29 30 public static void register(WidgetBackupProvider instance) { 31 sAppWidgetService = instance; 32 } 33 34 public static List<String> getWidgetParticipants(int userId) { 35 return (sAppWidgetService != null) 36 ? sAppWidgetService.getWidgetParticipants(userId) 37 : null; 38 } 39 40 public static byte[] getWidgetState(String packageName, int userId) { 41 return (sAppWidgetService != null) 42 ? sAppWidgetService.getWidgetState(packageName, userId) 43 : null; 44 } 45 46 public static void restoreStarting(int userId) { 47 if (sAppWidgetService != null) { 48 sAppWidgetService.restoreStarting(userId); 49 } 50 } 51 52 public static void restoreWidgetState(String packageName, byte[] restoredState, int userId) { 53 if (sAppWidgetService != null) { 54 sAppWidgetService.restoreWidgetState(packageName, restoredState, userId); 55 } 56 } 57 58 public static void restoreFinished(int userId) { 59 if (sAppWidgetService != null) { 60 sAppWidgetService.restoreFinished(userId); 61 } 62 } 63 } 64
