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.files; 18 19 import com.android.documentsui.ActivityConfig; 20 import com.android.documentsui.base.DocumentStack; 21 import com.android.documentsui.base.RootInfo; 22 23 /** 24 * Provides support for Files activity specific specializations. 25 */ 26 public final class Config extends ActivityConfig { 27 28 @Override managedModeEnabled(DocumentStack stack)29 public boolean managedModeEnabled(DocumentStack stack) { 30 // When in downloads top level directory, we also show active downloads. 31 // And while we don't allow folders in Downloads, we do allow Zip files in 32 // downloads that themselves can be opened and viewed like directories. 33 // This method helps us understand when to kick in on those special behaviors. 34 final RootInfo root = stack.getRoot(); 35 return root != null 36 && root.isDownloads() 37 && stack.size() == 1; 38 } 39 40 @Override dragAndDropEnabled()41 public boolean dragAndDropEnabled() { 42 return true; 43 } 44 } 45