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.storagemanager.deletionhelper; 18 19 import android.content.Context; 20 import androidx.preference.Preference; 21 import android.text.format.DateUtils; 22 23 import com.android.storagemanager.utils.IconProvider; 24 25 import java.io.File; 26 27 /** 28 * DownloadsFilePreference is a preference representing a file in the Downloads folder with a 29 * checkbox that represents if the file should be deleted. 30 */ 31 public class DownloadsFilePreference extends NestedDeletionPreference { 32 private File mFile; 33 DownloadsFilePreference(Context context, File file, IconProvider iconProvider)34 public DownloadsFilePreference(Context context, File file, IconProvider iconProvider) { 35 super(context); 36 mFile = file; 37 setKey(mFile.getPath()); 38 setTitle(file.getName()); 39 setItemSize(file.length()); 40 setSummary( 41 DateUtils.formatDateTime( 42 context, mFile.lastModified(), DateUtils.FORMAT_SHOW_DATE)); 43 setIcon(iconProvider.loadMimeIcon(IconProvider.getMimeType(mFile))); 44 45 // We turn off persistence because we need the file preferences to reset their check when 46 // you return to the view. 47 setPersistent(false); 48 } 49 getFile()50 public File getFile() { 51 return mFile; 52 } 53 54 @Override compareTo(Preference other)55 public int compareTo(Preference other) { 56 if (other == null) { 57 return 1; 58 } 59 60 if (other instanceof DownloadsFilePreference) { 61 File otherFile = ((DownloadsFilePreference) other).getFile(); 62 File file = getFile(); 63 // Note: The order is reversed in this comparison because we want the value to be less 64 // than 0 if we're bigger. Long.compare returns less than 0 if first < second. 65 int comparison = Long.compare(otherFile.length(), file.length()); 66 if (comparison == 0) { 67 comparison = file.compareTo(otherFile); 68 } 69 return comparison; 70 } else { 71 // If a non-DownloadsFilePreference appears, consider ourselves to be greater. 72 // This means if a non-DownloadsFilePreference sneaks into a DownloadsPreferenceGroup 73 // then the DownloadsFilePreference will appear higher. 74 return 1; 75 } 76 } 77 } 78