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
18package com.android.mail.ui;
19
20import android.database.DataSetObserver;
21
22import 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 */
29public interface FolderController {
30
31    Folder getFolder();
32
33    void registerFolderObserver(DataSetObserver observer);
34    void unregisterFolderObserver(DataSetObserver observer);
35    void requestFolderRefresh();
36}
37