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.content.Context; 21 import android.database.Cursor; 22 import android.database.MatrixCursor; 23 import android.net.Uri; 24 25 import com.android.mail.providers.Folder; 26 import com.android.mail.providers.UIProvider; 27 import com.android.mail.utils.FolderUri; 28 import com.android.mail.utils.MatrixCursorWithCachedColumns; 29 30 import java.util.Set; 31 32 public class AddableFolderSelectorAdapter extends FolderSelectorAdapter { 33 34 public AddableFolderSelectorAdapter(Context context, Cursor folders, 35 Set<String> selected, int layout) { 36 super(context, folders, selected, layout); 37 } 38 39 /** 40 * Essentially uses filterFolders with no filter to convert the cursors 41 */ 42 public static Cursor filterFolders(final Cursor folderCursor) { 43 return filterFolders(folderCursor, null /* excludedTypes */, null /* initiallySelected */, 44 true /* includeInitiallySelected, useless in this case */); 45 } 46 47 /** 48 * @param folderCursor 49 * @param excludedTypes folder types that we want to filter out. 50 * @param initiallySelected set of folder uris that are previously selected. 51 * @param includeOnlyInitiallySelected if we want to ONLY include or exclude initiallySelected, 52 * doesn't do anything if initiallySelected is null. 53 * @return 54 */ 55 public static Cursor filterFolders(final Cursor folderCursor, 56 final Set<Integer> excludedTypes, final Set<String> initiallySelected, 57 final boolean includeOnlyInitiallySelected) { 58 final int projectionSize = UIProvider.FOLDERS_PROJECTION.length; 59 final MatrixCursor cursor = 60 new MatrixCursorWithCachedColumns(UIProvider.FOLDERS_PROJECTION); 61 final Object[] folder = new Object[projectionSize]; 62 if (folderCursor.moveToFirst()) { 63 do { 64 final int type = folderCursor.getInt(UIProvider.FOLDER_TYPE_COLUMN); 65 66 // Check for excluded types 67 boolean exclude = false; 68 if (excludedTypes != null) { 69 for (final int excludedType : excludedTypes) { 70 if (Folder.isType(type, excludedType)) { 71 exclude = true; 72 break; 73 } 74 } 75 } 76 77 if (initiallySelected != null) { 78 // TODO: there has to be a better way to get this value... 79 String uri = new FolderUri(Uri.parse(folderCursor.getString( 80 UIProvider.FOLDER_URI_COLUMN))).getComparisonUri().toString(); 81 // Check if the folder is already selected and if we are trying to include only 82 // the ones that were initially selected or only the ones that aren't. 83 // Xor is what we want, since we essentially want the following: 84 // (includeOnlyInitial && !contains) || (!includeOnlyInitial && contains) 85 exclude |= includeOnlyInitiallySelected ^ initiallySelected.contains(uri); 86 } 87 88 if (exclude) { 89 continue; 90 } 91 92 if (Folder.isType(type, UIProvider.FolderType.INBOX) 93 || Folder.isType(type, UIProvider.FolderType.DEFAULT)) { 94 folder[UIProvider.FOLDER_ID_COLUMN] = folderCursor 95 .getLong(UIProvider.FOLDER_ID_COLUMN); 96 folder[UIProvider.FOLDER_PERSISTENT_ID_COLUMN] = folderCursor 97 .getString(UIProvider.FOLDER_PERSISTENT_ID_COLUMN); 98 folder[UIProvider.FOLDER_URI_COLUMN] = folderCursor 99 .getString(UIProvider.FOLDER_URI_COLUMN); 100 folder[UIProvider.FOLDER_NAME_COLUMN] = folderCursor 101 .getString(UIProvider.FOLDER_NAME_COLUMN); 102 folder[UIProvider.FOLDER_HAS_CHILDREN_COLUMN] = folderCursor 103 .getInt(UIProvider.FOLDER_HAS_CHILDREN_COLUMN); 104 folder[UIProvider.FOLDER_CAPABILITIES_COLUMN] = folderCursor 105 .getInt(UIProvider.FOLDER_CAPABILITIES_COLUMN); 106 folder[UIProvider.FOLDER_SYNC_WINDOW_COLUMN] = folderCursor 107 .getInt(UIProvider.FOLDER_SYNC_WINDOW_COLUMN); 108 folder[UIProvider.FOLDER_CONVERSATION_LIST_URI_COLUMN] = folderCursor 109 .getString(UIProvider.FOLDER_CONVERSATION_LIST_URI_COLUMN); 110 folder[UIProvider.FOLDER_CHILD_FOLDERS_LIST_COLUMN] = folderCursor 111 .getString(UIProvider.FOLDER_CHILD_FOLDERS_LIST_COLUMN); 112 folder[UIProvider.FOLDER_UNSEEN_COUNT_COLUMN] = folderCursor 113 .getInt(UIProvider.FOLDER_UNSEEN_COUNT_COLUMN); 114 folder[UIProvider.FOLDER_UNREAD_COUNT_COLUMN] = folderCursor 115 .getInt(UIProvider.FOLDER_UNREAD_COUNT_COLUMN); 116 folder[UIProvider.FOLDER_TOTAL_COUNT_COLUMN] = folderCursor 117 .getInt(UIProvider.FOLDER_TOTAL_COUNT_COLUMN); 118 folder[UIProvider.FOLDER_REFRESH_URI_COLUMN] = folderCursor 119 .getString(UIProvider.FOLDER_REFRESH_URI_COLUMN); 120 folder[UIProvider.FOLDER_SYNC_STATUS_COLUMN] = folderCursor 121 .getInt(UIProvider.FOLDER_SYNC_STATUS_COLUMN); 122 folder[UIProvider.FOLDER_LAST_SYNC_RESULT_COLUMN] = folderCursor 123 .getInt(UIProvider.FOLDER_LAST_SYNC_RESULT_COLUMN); 124 folder[UIProvider.FOLDER_TYPE_COLUMN] = type; 125 folder[UIProvider.FOLDER_ICON_RES_ID_COLUMN] = folderCursor 126 .getInt(UIProvider.FOLDER_ICON_RES_ID_COLUMN); 127 folder[UIProvider.FOLDER_NOTIFICATION_ICON_RES_ID_COLUMN] = folderCursor 128 .getInt(UIProvider.FOLDER_NOTIFICATION_ICON_RES_ID_COLUMN); 129 folder[UIProvider.FOLDER_BG_COLOR_COLUMN] = folderCursor 130 .getString(UIProvider.FOLDER_BG_COLOR_COLUMN); 131 folder[UIProvider.FOLDER_FG_COLOR_COLUMN] = folderCursor 132 .getString(UIProvider.FOLDER_FG_COLOR_COLUMN); 133 folder[UIProvider.FOLDER_LOAD_MORE_URI_COLUMN] = folderCursor 134 .getString(UIProvider.FOLDER_LOAD_MORE_URI_COLUMN); 135 folder[UIProvider.FOLDER_HIERARCHICAL_DESC_COLUMN] = folderCursor 136 .getString(UIProvider.FOLDER_HIERARCHICAL_DESC_COLUMN); 137 folder[UIProvider.FOLDER_LAST_MESSAGE_TIMESTAMP_COLUMN] = folderCursor 138 .getLong(UIProvider.FOLDER_LAST_MESSAGE_TIMESTAMP_COLUMN); 139 folder[UIProvider.FOLDER_PARENT_URI_COLUMN] = folderCursor 140 .getString(UIProvider.FOLDER_PARENT_URI_COLUMN); 141 cursor.addRow(folder); 142 } 143 } while (folderCursor.moveToNext()); 144 } 145 return cursor; 146 } 147 } 148