1 /*
2  * Copyright (C) 2012 Google Inc.
3  * Licensed to The Android Open Source Project.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 package com.android.mail.ui;
19 
20 import android.database.DataSetObserver;
21 
22 import com.android.mail.providers.Folder;
23 
24 /**
25  * The canonical owner of the apps' current {@link Folder} should implement this interface to keep
26  * other components updated.
27  *
28  */
29 public interface FolderController {
30 
getFolder()31     Folder getFolder();
32 
registerFolderObserver(DataSetObserver observer)33     void registerFolderObserver(DataSetObserver observer);
unregisterFolderObserver(DataSetObserver observer)34     void unregisterFolderObserver(DataSetObserver observer);
requestFolderRefresh()35     void requestFolderRefresh();
36 }
37