1/**
2 * Copyright (c) 2011, Google Inc.
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
17package com.android.mail.providers.protos.mock;
18
19import android.content.ContentProvider;
20import android.content.ContentValues;
21import android.database.Cursor;
22import android.database.MatrixCursor;
23import android.net.Uri;
24import android.provider.BaseColumns;
25import android.text.Html;
26
27import com.android.mail.providers.ConversationInfo;
28import com.android.mail.providers.Folder;
29import com.android.mail.providers.FolderList;
30import com.android.mail.providers.ParticipantInfo;
31import com.android.mail.providers.ReplyFromAccount;
32import com.android.mail.providers.Settings;
33import com.android.mail.providers.UIProvider.AccountCapabilities;
34import com.android.mail.providers.UIProvider.AccountColumns;
35import com.android.mail.providers.UIProvider.AccountColumns.SettingsColumns;
36import com.android.mail.providers.UIProvider.AttachmentColumns;
37import com.android.mail.providers.UIProvider.ConversationColumns;
38import com.android.mail.providers.UIProvider.ConversationCursorCommand;
39import com.android.mail.providers.UIProvider.FolderCapabilities;
40import com.android.mail.providers.UIProvider.FolderColumns;
41import com.android.mail.providers.UIProvider.MessageColumns;
42import com.google.common.annotations.VisibleForTesting;
43import com.google.common.collect.ImmutableList;
44import com.google.common.collect.Lists;
45import com.google.common.collect.Maps;
46
47import org.json.JSONArray;
48
49import java.util.ArrayList;
50import java.util.Date;
51import java.util.List;
52import java.util.Map;
53import java.util.Set;
54
55public final class MockUiProvider extends ContentProvider {
56
57    public static final String AUTHORITY = "com.android.mail.mockprovider";
58
59    private static final int NUM_ACCOUNTS = 5;
60
61
62    private static final Uri MOCK_ACCOUNTS_URI = Uri.parse("content://" + AUTHORITY + "/accounts");
63
64    // A map of query result for uris
65    // TODO(pwestbro) read this map from an external file
66    private static Map<String, List<Map<String, Object>>> MOCK_QUERY_RESULTS = Maps.newHashMap();
67
68    private static void initializeAccount(int accountId,
69            Map<String, List<Map<String, Object>>> resultMap) {
70        final Map<String, Object> inboxfolderDetailsMap =
71                createFolderDetailsMap(0, accountId, "zero", true, 0, 2);
72        resultMap.put(inboxfolderDetailsMap.get(FolderColumns.URI).toString(),
73                ImmutableList.of(inboxfolderDetailsMap));
74
75        final Map<String, Object> accountDetailsMap = createAccountDetailsMap(accountId,
76                (String)inboxfolderDetailsMap.get(FolderColumns.URI));
77        resultMap.put(((Uri) accountDetailsMap.get(AccountColumns.URI)).toString(),
78                ImmutableList.of(accountDetailsMap));
79
80        final Map<String, Object> secondFolderDetailsMap =
81                createFolderDetailsMap(2, accountId, "two", 2, 2);
82        resultMap.put(secondFolderDetailsMap.get(FolderColumns.URI).toString(),
83                ImmutableList.of(secondFolderDetailsMap));
84
85        resultMap.put(
86                inboxfolderDetailsMap.get(FolderColumns.CHILD_FOLDERS_LIST_URI).toString(),
87                ImmutableList.of(createFolderDetailsMap(10, accountId, "zeroChild0", 0, 0),
88                        createFolderDetailsMap(11, accountId, "zeroChild1", 0, 0)));
89
90        final ArrayList<Map<String, Object>> conversations = new ArrayList<Map<String, Object>>();
91        for (int i = 0; i < 100; i++) {
92            final String name = "zeroConv"+i;
93            conversations.add(createConversationDetailsMap(accountId, name.hashCode(),
94                    name, 1, 5, i % 2));
95        }
96        resultMap.put(inboxfolderDetailsMap.get(FolderColumns.CONVERSATION_LIST_URI).toString(),
97                conversations);
98
99        final Map<String, Object> message0 =
100                createMessageDetailsMap(accountId, "zeroConv0".hashCode(), "zeroConv0", 1, false);
101        resultMap.put(message0.get(MessageColumns.URI).toString(), ImmutableList.of(message0));
102        resultMap.put(conversations.get(0).get(ConversationColumns.MESSAGE_LIST_URI).toString(),
103                ImmutableList.of(message0));
104        resultMap.put(message0.get(MessageColumns.ATTACHMENT_LIST_URI).toString(),
105                ImmutableList.of(createAttachmentDetailsMap(0, "zero")));
106        final Map<String, Object> message1 =
107                createMessageDetailsMap(accountId, "zeroConv1".hashCode(), "zeroConv1", 1, false);
108        resultMap.put(message1.get(MessageColumns.URI).toString(), ImmutableList.of(message1));
109        final Map<String, Object> message1a =
110                createMessageDetailsMap(accountId, "zeroConv1a".hashCode(), "zeroConv1a", 2, false);
111        resultMap.put(message1a.get(MessageColumns.URI).toString(), ImmutableList.of(message1a));
112        resultMap.put(conversations.get(1).get(ConversationColumns.MESSAGE_LIST_URI).toString(),
113                ImmutableList.of(message1, message1a));
114        resultMap.put(message1.get(MessageColumns.ATTACHMENT_LIST_URI).toString(),
115                ImmutableList.of(createAttachmentDetailsMap(1, "one")));
116
117        final Map<String, Object> folderDetailsMap1 =
118                createFolderDetailsMap(1, accountId,  "one", 0, 0);
119        resultMap.put(folderDetailsMap1.get(FolderColumns.URI).toString(),
120                ImmutableList.of(folderDetailsMap1));
121
122        // We currently have two configurations for accounts
123        if (accountId % 2 == 0) {
124            resultMap.put(accountDetailsMap.get(AccountColumns.FOLDER_LIST_URI).toString(),
125                    ImmutableList.of(inboxfolderDetailsMap, folderDetailsMap1));
126        } else {
127            resultMap.put(secondFolderDetailsMap.get(FolderColumns.URI).toString(),
128                    ImmutableList.of(secondFolderDetailsMap));
129            final Map<String, Object> folderDetailsMap3 =
130                    createFolderDetailsMap(3, accountId, "three", 0, 0);
131            resultMap.put(folderDetailsMap3.get(FolderColumns.URI).toString(),
132                    ImmutableList.of(folderDetailsMap3));
133
134            resultMap.put(accountDetailsMap.get(AccountColumns.FOLDER_LIST_URI).toString(),
135                    ImmutableList.of(secondFolderDetailsMap, folderDetailsMap3));
136        }
137
138        final Map<String, Object> conv3 =
139                createConversationDetailsMap(accountId, "zeroConv3".hashCode(), "zeroConv3",
140                        0, 1, 0);
141        resultMap.put(conv3.get(ConversationColumns.URI).toString(),
142                ImmutableList.of(conv3));
143        final Map<String, Object> conv4 =
144                createConversationDetailsMap(accountId, "zeroConv4".hashCode(), "zeroConv4",
145                        0, 1, 0);
146        resultMap.put(conv4.get(ConversationColumns.URI).toString(),
147                ImmutableList.of(conv4));
148        resultMap.put(secondFolderDetailsMap.get(FolderColumns.CONVERSATION_LIST_URI).toString(),
149                ImmutableList.of(conv3, conv4));
150
151        final Map<String, Object> message2 =
152                createMessageDetailsMap(accountId, "zeroConv3".hashCode(), "zeroConv3", 0, true);
153        resultMap.put(message2.get(MessageColumns.URI).toString(), ImmutableList.of(message2));
154        resultMap.put(conv3.get(ConversationColumns.MESSAGE_LIST_URI).toString(),
155                ImmutableList.of(message2));
156        final Map<String, Object> message3 =
157                createMessageDetailsMap(accountId, "zeroConv4".hashCode(), "zeroConv4", 0, true);
158        resultMap.put(message3.get(MessageColumns.URI).toString(), ImmutableList.of(message3));
159        resultMap.put(conv4.get(ConversationColumns.MESSAGE_LIST_URI).toString(),
160                ImmutableList.of(message3));
161
162        // Add the account to the list of accounts
163        List<Map<String, Object>> accountList = resultMap.get(getAccountsUri().toString());
164        if (accountList == null) {
165            accountList = Lists.newArrayList();
166            resultMap.put(getAccountsUri().toString(), accountList);
167        }
168        accountList.add(accountDetailsMap);
169    }
170
171    public static void initializeMockProvider() {
172        MOCK_QUERY_RESULTS = Maps.newHashMap();
173
174        for (int accountId = 0; accountId < NUM_ACCOUNTS; accountId++) {
175            initializeAccount(accountId, MOCK_QUERY_RESULTS);
176        }
177    }
178
179    private static Map<String, Object> createConversationDetailsMap(int accountId,
180            int conversationId, String subject, int hasAttachments, int messageCount,
181            int draftCount) {
182        final String conversationUri = getMockConversationUri(accountId, conversationId);
183        Map<String, Object> conversationMap = Maps.newHashMap();
184        conversationMap.put(BaseColumns._ID, Long.valueOf(conversationId));
185        conversationMap.put(ConversationColumns.URI, conversationUri);
186        conversationMap.put(ConversationColumns.MESSAGE_LIST_URI, conversationUri + "/getMessages");
187        conversationMap.put(ConversationColumns.SUBJECT, "Conversation " + subject);
188        conversationMap.put(ConversationColumns.SNIPPET, "snippet");
189        conversationMap.put(ConversationColumns.SENDER_INFO,
190                "account1@mock.com, account2@mock.com");
191        conversationMap.put(ConversationColumns.DATE_RECEIVED_MS, new Date().getTime());
192        conversationMap.put(ConversationColumns.HAS_ATTACHMENTS, hasAttachments);
193        conversationMap.put(ConversationColumns.NUM_MESSAGES, 1);
194        conversationMap.put(ConversationColumns.NUM_DRAFTS, 1);
195        conversationMap.put(ConversationColumns.SENDING_STATE, 1);
196        conversationMap.put(ConversationColumns.READ, 0);
197        conversationMap.put(ConversationColumns.SEEN, 0);
198        conversationMap.put(ConversationColumns.STARRED, 0);
199        conversationMap.put(ConversationColumns.CONVERSATION_INFO,
200                generateConversationInfo(messageCount, draftCount));
201        final List<Folder> folders = new ArrayList<Folder>(3);
202        for (int i = 0; i < 3; i++) {
203            final Folder folder = Folder.newUnsafeInstance();
204            folder.name = "folder" + i;
205            switch (i) {
206                case 0:
207                    folder.bgColor = "#fff000";
208                    break;
209                case 1:
210                    folder.bgColor = "#0000FF";
211                    break;
212                case 2:
213                    folder.bgColor = "#FFFF00";
214                    break;
215                default:
216                    folder.bgColor = null;
217                    break;
218            }
219
220            folders.add(folder);
221        }
222        final FolderList folderList = FolderList.copyOf(folders);
223        conversationMap.put(
224                MockRespondMatrixCursor.MOCK_RESPOND_PREFIX +
225                        ConversationCursorCommand.COMMAND_GET_RAW_FOLDERS, folderList);
226        return conversationMap;
227    }
228
229    private static byte[] generateConversationInfo(int messageCount, int draftCount) {
230        ConversationInfo info = new ConversationInfo(messageCount, draftCount, "first",
231                "firstUnread", "last");
232        for (int i = 0; i < messageCount; i++) {
233            if (i % 2 == 0) {
234                info.addParticipant(new ParticipantInfo(i + "Test", "testsender@test.com", -1,
235                        false));
236            } else if (i % 3 == 0) {
237                info.addParticipant(new ParticipantInfo(i + "sender@test.com", "sender@test.com",
238                        -1, false));
239            } else {
240                info.addParticipant(new ParticipantInfo(" .. ", null, -1, false));
241            }
242        }
243        return info.toBlob();
244    }
245
246    private static Map<String, Object> createMessageDetailsMap(int accountId, int messageId,
247            String subject, int hasAttachments, boolean addReplyTo) {
248        final String accountUri = getMockAccountUri(accountId);
249        final String messageUri = getMockMessageUri(accountId, messageId);
250        Map<String, Object> messageMap = Maps.newHashMap();
251        messageMap.put(BaseColumns._ID, Long.valueOf(messageId));
252        messageMap.put(MessageColumns.URI, messageUri);
253        messageMap.put(MessageColumns.SUBJECT, "Message " + subject);
254        messageMap.put(MessageColumns.SNIPPET, "SNIPPET");
255        String html = "<html><body><b><i>This is some html!!!</i></b></body></html>";
256        messageMap.put(MessageColumns.BODY_HTML, html);
257        messageMap.put(MessageColumns.BODY_TEXT, Html.fromHtml(html));
258        messageMap.put(MessageColumns.HAS_ATTACHMENTS, hasAttachments);
259        messageMap.put(MessageColumns.DATE_RECEIVED_MS, new Date().getTime());
260        messageMap.put(MessageColumns.ATTACHMENT_LIST_URI, messageUri + "/getAttachments");
261        messageMap.put(MessageColumns.TO, "account1@mock.com, account2@mock.com");
262        messageMap.put(MessageColumns.FROM, "fromaccount1@mock.com");
263        messageMap.put(MessageColumns.MESSAGE_ACCOUNT_URI, accountUri);
264        return messageMap;
265    }
266
267    private static Map<String, Object> createAttachmentDetailsMap(int attachmentId, String name) {
268        Map<String, Object> attachmentMap = Maps.newHashMap();
269        attachmentMap.put(BaseColumns._ID, Long.valueOf(attachmentId));
270        attachmentMap.put(AttachmentColumns.NAME, "Attachment " + name);
271        attachmentMap.put(AttachmentColumns.URI,
272                "attachmentUri/" + attachmentMap.get(AttachmentColumns.NAME));
273        return attachmentMap;
274    }
275
276    private static Map<String, Object> createFolderDetailsMap(int folderId, int accountId,
277            String name, int unread, int total) {
278        return createFolderDetailsMap(folderId, accountId, name, false, unread, total);
279    }
280
281    private static Map<String, Object> createFolderDetailsMap(int folderId, int accountId,
282            String name, boolean hasChildren, int unread, int total) {
283        final String folderUri = getMockAccountFolderUri(accountId, folderId);
284
285        Map<String, Object> folderMap = Maps.newHashMap();
286        folderMap.put(BaseColumns._ID, folderId);
287        folderMap.put(FolderColumns.URI, folderUri);
288        folderMap.put(FolderColumns.NAME, "Folder " + name);
289        folderMap.put(FolderColumns.HAS_CHILDREN, hasChildren ? 1 : 0);
290        folderMap.put(FolderColumns.CONVERSATION_LIST_URI, folderUri + "/getConversations");
291        folderMap.put(FolderColumns.CHILD_FOLDERS_LIST_URI, folderUri + "/getChildFolders");
292        folderMap.put(FolderColumns.CAPABILITIES, FolderCapabilities.CAN_ACCEPT_MOVED_MESSAGES);
293        folderMap.put(FolderColumns.UNREAD_COUNT, unread);
294        folderMap.put(FolderColumns.TOTAL_COUNT, total);
295        folderMap.put(FolderColumns.SYNC_STATUS, 0);
296        folderMap.put(FolderColumns.LAST_SYNC_RESULT, 0);
297        return folderMap;
298    }
299
300    // Temporarily made this public to allow the Gmail accounts to use the mock ui provider uris
301    public static Map<String, Object> createAccountDetailsMap(int accountId,String defaultInbox) {
302        final String accountUri = getMockAccountUri(accountId);
303        Map<String, Object> accountMap = Maps.newHashMap();
304        accountMap.put(BaseColumns._ID, Long.valueOf(accountId));
305        accountMap.put(AccountColumns.NAME, "account" + accountId + "@mockuiprovider.com");
306        accountMap.put(AccountColumns.TYPE, "com.android.mail.providers.protos.mock");
307        accountMap.put(AccountColumns.ACCOUNT_MANAGER_NAME,
308                "account" + accountId + "@mockuiprovider.com");
309        accountMap.put(AccountColumns.ACCOUNT_ID,
310                "account" + accountId + "@mockuiprovider.com");
311        accountMap.put(AccountColumns.PROVIDER_VERSION, Long.valueOf(1));
312        accountMap.put(AccountColumns.URI, Uri.parse(accountUri));
313        accountMap.put(AccountColumns.CAPABILITIES,
314                Integer.valueOf(
315                        AccountCapabilities.SYNCABLE_FOLDERS |
316                        AccountCapabilities.REPORT_SPAM |
317                        AccountCapabilities.ARCHIVE |
318                        AccountCapabilities.MUTE |
319                        AccountCapabilities.SERVER_SEARCH |
320                        AccountCapabilities.FOLDER_SERVER_SEARCH |
321                        AccountCapabilities.SERVER_SANITIZED_HTML |
322                        AccountCapabilities.DRAFT_SYNCHRONIZATION |
323                        AccountCapabilities.MULTIPLE_FROM_ADDRESSES |
324                        AccountCapabilities.SMART_REPLY |
325                        AccountCapabilities.LOCAL_SEARCH |
326                        AccountCapabilities.THREADED_CONVERSATIONS |
327                        AccountCapabilities.MULTIPLE_FOLDERS_PER_CONV));
328        JSONArray replyFroms = new JSONArray();
329        ArrayList<ReplyFromAccount> list = new ArrayList<ReplyFromAccount>();
330        list.add(new ReplyFromAccount(null, Uri.parse(accountUri), "customAddress1@custom.com",
331                "customAddress2@custom.com", "Custom1", false, true));
332        list.add(new ReplyFromAccount(null, Uri.parse(accountUri), "customAddress2@custom.com",
333                "customAddress2@custom.com", "Custom2", false, true));
334        for (ReplyFromAccount a : list) {
335            replyFroms.put(a.serialize());
336        }
337        accountMap.put(AccountColumns.ACCOUNT_FROM_ADDRESSES, replyFroms.toString());
338        accountMap.put(AccountColumns.FOLDER_LIST_URI, Uri.parse(accountUri + "/folders"));
339        accountMap.put(AccountColumns.FULL_FOLDER_LIST_URI, Uri.parse(accountUri + "/folders"));
340        accountMap.put(AccountColumns.ALL_FOLDER_LIST_URI, Uri.parse(accountUri + "/folders"));
341        accountMap.put(AccountColumns.SEARCH_URI, Uri.parse(accountUri + "/search"));
342        accountMap.put(AccountColumns.EXPUNGE_MESSAGE_URI,
343                Uri.parse(accountUri + "/expungeMessage"));
344        accountMap.put(AccountColumns.UNDO_URI, Uri.parse(accountUri + "/undo"));
345        accountMap.put(AccountColumns.SETTINGS_INTENT_URI, Uri.EMPTY);
346        accountMap.put(AccountColumns.HELP_INTENT_URI, Uri.EMPTY);
347        accountMap.put(AccountColumns.SEND_FEEDBACK_INTENT_URI, Uri.EMPTY);
348        accountMap.put(AccountColumns.REAUTHENTICATION_INTENT_URI, Uri.EMPTY);
349        accountMap.put(AccountColumns.SYNC_STATUS, 0);
350        accountMap.put(AccountColumns.COMPOSE_URI, Uri.parse(accountUri + "/compose"));
351        accountMap.put(AccountColumns.RECENT_FOLDER_LIST_URI,
352                Uri.parse(accountUri + "/recentFolderListUri"));
353        accountMap.put(AccountColumns.MIME_TYPE, "account/mock");
354        accountMap.put(AccountColumns.COLOR, 0);
355        accountMap.put(AccountColumns.RECENT_FOLDER_LIST_URI, Uri.EMPTY);
356        accountMap.put(AccountColumns.DEFAULT_RECENT_FOLDER_LIST_URI, Uri.EMPTY);
357        accountMap.put(AccountColumns.MANUAL_SYNC_URI, Uri.EMPTY);
358        accountMap.put(AccountColumns.VIEW_INTENT_PROXY_URI, Uri.EMPTY);
359        accountMap.put(AccountColumns.ACCOUNT_COOKIE_QUERY_URI, Uri.EMPTY);
360        accountMap.put(AccountColumns.UPDATE_SETTINGS_URI, Uri.EMPTY);
361        accountMap.put(AccountColumns.ENABLE_MESSAGE_TRANSFORMS, 1);
362
363
364        // Add settings columns
365        accountMap.put(SettingsColumns.SIGNATURE, "");
366        accountMap.put(SettingsColumns.AUTO_ADVANCE, 1);
367        accountMap.put(SettingsColumns.SNAP_HEADERS, 1);
368        accountMap.put(SettingsColumns.REPLY_BEHAVIOR, 1);
369        accountMap.put(SettingsColumns.CONV_LIST_ICON, 1);
370        accountMap.put(SettingsColumns.CONFIRM_DELETE, 1);
371        accountMap.put(SettingsColumns.CONFIRM_ARCHIVE, 1);
372        accountMap.put(SettingsColumns.CONFIRM_SEND, 1);
373        accountMap.put(SettingsColumns.DEFAULT_INBOX, defaultInbox);
374        accountMap.put(SettingsColumns.DEFAULT_INBOX_NAME, "Inbox");
375        accountMap.put(SettingsColumns.FORCE_REPLY_FROM_DEFAULT, 1);
376        accountMap.put(SettingsColumns.MAX_ATTACHMENT_SIZE, 25 * 1024 * 1024);
377        accountMap.put(SettingsColumns.SWIPE, 1);
378        accountMap.put(SettingsColumns.IMPORTANCE_MARKERS_ENABLED, 1);
379        accountMap.put(SettingsColumns.SHOW_CHEVRONS_ENABLED, 0);
380        accountMap.put(SettingsColumns.SETUP_INTENT_URI, Uri.EMPTY);
381        accountMap.put(SettingsColumns.CONVERSATION_VIEW_MODE, 1);
382        accountMap.put(SettingsColumns.VEILED_ADDRESS_PATTERN, null);
383        accountMap.put(SettingsColumns.MOVE_TO_INBOX, Uri.EMPTY);
384        accountMap.put(SettingsColumns.SHOW_IMAGES, Settings.ShowImages.ASK_FIRST);
385        return accountMap;
386    }
387
388    public static String getMockAccountUri(int accountId) {
389        return "content://" + AUTHORITY + "/account/" + accountId;
390    }
391
392    private static String getMockAccountFolderUri(int accountId, int folderId) {
393        return getMockAccountUri(accountId) + "/folder/" + folderId;
394    }
395
396    private static String getMockConversationUri(int accountId, int conversationId) {
397        return getMockAccountUri(accountId) + "/conversation/" + conversationId;
398    }
399
400    private static String getMockMessageUri(int accountId, int messageId) {
401        return getMockAccountUri(accountId) + "/message/" + messageId;
402    }
403
404    @Override
405    public boolean onCreate() {
406        MockUiProvider.initializeMockProvider();
407        return true;
408    }
409
410    @Override
411    public Cursor query(Uri url, String[] projection, String selection, String[] selectionArgs,
412            String sortOrder) {
413
414        final List<Map<String, Object>> queryResults = MOCK_QUERY_RESULTS.get(url.toString());
415
416        if (queryResults != null && queryResults.size() > 0) {
417            // Get the projection.  If there are rows in the result set, pick the first item to
418            // generate the projection
419            // TODO (pwestbro): handle the case where we want to return an empty result.\
420            if (projection == null) {
421                Set<String> keys = queryResults.get(0).keySet();
422                projection = keys.toArray(new String[keys.size()]);
423            }
424            final MatrixCursor matrixCursor =
425                    new MockRespondMatrixCursor(projection, queryResults.size(), queryResults);
426
427            for (Map<String, Object> queryResult : queryResults) {
428                MatrixCursor.RowBuilder rowBuilder = matrixCursor.newRow();
429
430                for (String key : projection) {
431                    rowBuilder.add(queryResult.get(key));
432                }
433            }
434            return matrixCursor;
435        }
436
437        return null;
438    }
439
440    @Override
441    public Uri insert(Uri url, ContentValues values) {
442        return url;
443    }
444
445    @Override
446    public int update(Uri url, ContentValues values, String selection,
447            String[] selectionArgs) {
448        return 0;
449    }
450
451    @Override
452    public int delete(Uri url, String selection, String[] selectionArgs) {
453        return 0;
454    }
455
456    @Override
457    public String getType(Uri uri) {
458        return null;
459    }
460
461    @VisibleForTesting
462    static Uri getAccountsUri() {
463        return MOCK_ACCOUNTS_URI;
464    }
465}
466
467