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 31 Folder getFolder(); 32 33 void registerFolderObserver(DataSetObserver observer); 34 void unregisterFolderObserver(DataSetObserver observer); 35 void requestFolderRefresh(); 36 } 37
