1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
5  * except in compliance with the License. You may obtain a copy of the License at
6  *
7  *      http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the
10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
11  * KIND, either express or implied. See the License for the specific language governing
12  * permissions and limitations under the License.
13  */
14 
15 package com.android.server.slice;
16 
17 import org.xmlpull.v1.XmlSerializer;
18 
19 import java.io.IOException;
20 
21 /**
22  * A parent object that cares when a Persistable changes and will schedule a serialization
23  * in response to the onPersistableDirty callback.
24  */
25 public interface DirtyTracker {
onPersistableDirty(Persistable obj)26     void onPersistableDirty(Persistable obj);
27 
28     /**
29      * An object that can be written to XML.
30      */
31     interface Persistable {
getFileName()32         String getFileName();
writeTo(XmlSerializer out)33         void writeTo(XmlSerializer out) throws IOException;
34     }
35 }
36