1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.documentsui; 18 19 import com.android.documentsui.base.DocumentStack; 20 import com.android.documentsui.base.State; 21 22 /** 23 * Provides support for specializing the DirectoryFragment to the "host" Activity. 24 * Feel free to expand the role of this class to handle other specializations. 25 */ 26 public abstract class ActivityConfig { 27 28 // Subtly different from isDocumentEnabled. The reason may be illuminated as follows. 29 // A folder is enabled such that it may be double clicked, even in settings 30 // when the folder itself cannot be selected. This may also be true of container types. 31 public boolean canSelectType(String docMimeType, int docFlags, State state) { 32 return true; 33 } 34 35 public boolean isDocumentEnabled(String docMimeType, int docFlags, State state) { 36 return true; 37 } 38 39 /** 40 * When managed mode is enabled, active downloads will be visible in the UI. 41 * Presumably this should only be true when in the downloads directory. 42 */ 43 public boolean managedModeEnabled(DocumentStack stack) { 44 return false; 45 } 46 47 /** 48 * Whether drag n' drop is allowed in this context 49 */ 50 public boolean dragAndDropEnabled() { 51 return false; 52 } 53 } 54
