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 android.app.AuthenticationRequiredException; 20 import android.app.PendingIntent; 21 import android.content.Intent; 22 import android.database.Cursor; 23 import android.database.MatrixCursor; 24 import android.os.Bundle; 25 import android.provider.DocumentsContract; 26 27 import java.io.FileNotFoundException; 28 29 /** 30 * Provides data view that exercises some of the more esoteric functionality...like display of INFO 31 * and ERROR messages. 32 * <p> 33 * Do not use this provider for automated testing. 34 */ 35 public class DemoProvider extends TestRootProvider { 36 37 public static final String DIR_INFO = "show info"; 38 public static final String DIR_ERROR = "show error"; 39 public static final String DIR_ERROR_AND_INFO = "show both error and info"; 40 public static final String DIR_THROW = "throw a nice exception"; 41 public static final String DIR_AUTH = "throw a authentication exception"; 42 43 public static final String MSG_INFO = "All files in this root support settings."; 44 public static final String MSG_ERROR = "I'm an error. Don't judge me."; 45 public static final String MSG_ERROR_AND_INFO = "ERROR: Both ERROR and INFO returned."; 46 47 private static final String ROOT_ID = "demo-root"; 48 private static final String ROOT_DOC_ID = "root0"; 49 DemoProvider()50 public DemoProvider() { 51 super("Demo Root", ROOT_ID, 0, ROOT_DOC_ID); 52 } 53 54 @Override queryDocument(String documentId, String[] projection)55 public Cursor queryDocument(String documentId, String[] projection) 56 throws FileNotFoundException { 57 MatrixCursor c = createDocCursor(projection); 58 Bundle extras = c.getExtras(); 59 extras.putString( 60 DocumentsContract.EXTRA_INFO, 61 "This provider is for feature demos only. Do not use from automated tests."); 62 addFolder(c, documentId); 63 return c; 64 } 65 66 @Override queryChildDocuments( String parentDocumentId, String[] projection, String sortOrder)67 public Cursor queryChildDocuments( 68 String parentDocumentId, String[] projection, String sortOrder) 69 throws FileNotFoundException { 70 MatrixCursor c = createDocCursor(projection); 71 Bundle extras = c.getExtras(); 72 73 switch (parentDocumentId) { 74 case DIR_INFO: 75 extras.putString(DocumentsContract.EXTRA_INFO, MSG_INFO); 76 addFolder(c, "folder"); 77 addFile(c, "zzz"); 78 for (int i = 0; i < 100; i++) { 79 addFile(c, "" + i, DocumentsContract.Document.FLAG_SUPPORTS_SETTINGS); 80 } 81 break; 82 83 case DIR_ERROR: 84 extras.putString(DocumentsContract.EXTRA_ERROR, MSG_ERROR); 85 break; 86 87 case DIR_ERROR_AND_INFO: 88 extras.putString(DocumentsContract.EXTRA_INFO, MSG_INFO); 89 extras.putString(DocumentsContract.EXTRA_ERROR, MSG_ERROR_AND_INFO); 90 break; 91 92 case DIR_THROW: 93 throw new RuntimeException(); 94 95 case DIR_AUTH: 96 Intent intent = new Intent("com.android.documentsui.test.action.AUTHENTICATE"); 97 PendingIntent pIntent = PendingIntent.getActivity(getContext(), 98 AbstractActionHandler.CODE_AUTHENTICATION, intent, 0); 99 throw new AuthenticationRequiredException(new UnsupportedOperationException(), 100 pIntent); 101 102 default: 103 addFolder(c, DIR_INFO); 104 addFolder(c, DIR_ERROR); 105 addFolder(c, DIR_ERROR_AND_INFO); 106 addFolder(c, DIR_THROW); 107 addFolder(c, DIR_AUTH); 108 break; 109 } 110 111 return c; 112 } 113 } 114 115