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 private static final String ROOT_ID = "demo-root"; 38 private static final String ROOT_DOC_ID = "root0"; 39 DemoProvider()40 public DemoProvider() { 41 super("Demo Root", ROOT_ID, 0, ROOT_DOC_ID); 42 } 43 44 @Override queryDocument(String documentId, String[] projection)45 public Cursor queryDocument(String documentId, String[] projection) 46 throws FileNotFoundException { 47 MatrixCursor c = createDocCursor(projection); 48 Bundle extras = c.getExtras(); 49 extras.putString( 50 DocumentsContract.EXTRA_INFO, 51 "This provider is for feature demos only. Do not use from automated tests."); 52 addFolder(c, documentId); 53 return c; 54 } 55 56 @Override queryChildDocuments( String parentDocumentId, String[] projection, String sortOrder)57 public Cursor queryChildDocuments( 58 String parentDocumentId, String[] projection, String sortOrder) 59 throws FileNotFoundException { 60 MatrixCursor c = createDocCursor(projection); 61 Bundle extras = c.getExtras(); 62 63 switch (parentDocumentId) { 64 case "show info": 65 extras.putString( 66 DocumentsContract.EXTRA_INFO, 67 "All files in this root support settings from owner."); 68 addFolder(c, "folder"); 69 addFile(c, "zzz"); 70 for (int i = 0; i < 100; i++) { 71 addFile(c, "" + i, DocumentsContract.Document.FLAG_SUPPORTS_SETTINGS); 72 } 73 break; 74 75 case "show error": 76 extras.putString( 77 DocumentsContract.EXTRA_ERROR, 78 "I'm a synthetic ERROR. Don't judge me."); 79 break; 80 81 case "show both error and info": 82 extras.putString( 83 DocumentsContract.EXTRA_INFO, 84 "INFO: I'm confused. I've show both ERROR and INFO."); 85 extras.putString( 86 DocumentsContract.EXTRA_ERROR, 87 "ERROR: I'm confused. I've show both ERROR and INFO."); 88 break; 89 90 case "throw a nice exception": 91 throw new RuntimeException(); 92 93 case "throw a authentication exception": 94 Intent intent = new Intent("com.android.documentsui.test.action.AUTHENTICATE"); 95 PendingIntent pIntent = PendingIntent.getActivity(getContext(), 96 AbstractActionHandler.CODE_AUTHENTICATION, intent, 0); 97 throw new AuthenticationRequiredException(new UnsupportedOperationException(), 98 pIntent); 99 100 default: 101 addFolder(c, "show info"); 102 addFolder(c, "show error"); 103 addFolder(c, "show both error and info"); 104 addFolder(c, "throw a nice exception"); 105 addFolder(c, "throw a authentication exception"); 106 break; 107 } 108 109 return c; 110 } 111 } 112 113