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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server;
import java.util.List;
/**
* Runtime bridge between the Backup Manager Service and the App Widget Service,
* since those two modules are intentionally decoupled for modularity.
*
* @hide
*/
public class AppWidgetBackupBridge {
private static WidgetBackupProvider sAppWidgetService;
public static void register(WidgetBackupProvider instance) {
sAppWidgetService = instance;
}
public static List<String> getWidgetParticipants(int userId) {
return (sAppWidgetService != null)
? sAppWidgetService.getWidgetParticipants(userId)
: null;
}
public static byte[] getWidgetState(String packageName, int userId) {
return (sAppWidgetService != null)
? sAppWidgetService.getWidgetState(packageName, userId)
: null;
}
public static void restoreStarting(int userId) {
if (sAppWidgetService != null) {
sAppWidgetService.restoreStarting(userId);
}
}
public static void restoreWidgetState(String packageName, byte[] restoredState, int userId) {
if (sAppWidgetService != null) {
sAppWidgetService.restoreWidgetState(packageName, restoredState, userId);
}
}
public static void restoreFinished(int userId) {
if (sAppWidgetService != null) {
sAppWidgetService.restoreFinished(userId);
}
}
}
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