EmailProvider.java revision eccf7ee9a4c4b9bf78af9a679827542ec5c42161
1/* 2 * Copyright (C) 2009 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 17package com.android.email.provider; 18 19import android.content.ContentProvider; 20import android.content.ContentProviderOperation; 21import android.content.ContentProviderResult; 22import android.content.ContentResolver; 23import android.content.ContentUris; 24import android.content.ContentValues; 25import android.content.Context; 26import android.content.Intent; 27import android.content.OperationApplicationException; 28import android.content.UriMatcher; 29import android.database.ContentObserver; 30import android.database.Cursor; 31import android.database.MatrixCursor; 32import android.database.sqlite.SQLiteDatabase; 33import android.database.sqlite.SQLiteException; 34import android.net.Uri; 35import android.os.RemoteException; 36import android.provider.BaseColumns; 37import android.text.TextUtils; 38import android.util.Log; 39 40import com.android.common.content.ProjectionMap; 41import com.android.email.Email; 42import com.android.email.Preferences; 43import com.android.email.R; 44import com.android.email.provider.ContentCache.CacheToken; 45import com.android.email.service.AttachmentDownloadService; 46import com.android.email.service.EmailServiceUtils; 47import com.android.emailcommon.Logging; 48import com.android.emailcommon.provider.Account; 49import com.android.emailcommon.provider.EmailContent; 50import com.android.emailcommon.provider.EmailContent.AccountColumns; 51import com.android.emailcommon.provider.EmailContent.Attachment; 52import com.android.emailcommon.provider.EmailContent.AttachmentColumns; 53import com.android.emailcommon.provider.EmailContent.Body; 54import com.android.emailcommon.provider.EmailContent.BodyColumns; 55import com.android.emailcommon.provider.EmailContent.MailboxColumns; 56import com.android.emailcommon.provider.EmailContent.Message; 57import com.android.emailcommon.provider.EmailContent.MessageColumns; 58import com.android.emailcommon.provider.EmailContent.PolicyColumns; 59import com.android.emailcommon.provider.EmailContent.SyncColumns; 60import com.android.emailcommon.provider.HostAuth; 61import com.android.emailcommon.provider.Mailbox; 62import com.android.emailcommon.provider.Policy; 63import com.android.emailcommon.provider.QuickResponse; 64import com.android.emailcommon.service.EmailServiceProxy; 65import com.android.emailcommon.service.IEmailServiceCallback; 66import com.android.mail.providers.UIProvider; 67import com.android.mail.providers.UIProvider.AccountCapabilities; 68import com.android.mail.providers.UIProvider.ConversationPriority; 69import com.android.mail.providers.UIProvider.ConversationSendingState; 70import com.google.common.annotations.VisibleForTesting; 71 72import java.io.File; 73import java.util.ArrayList; 74import java.util.Arrays; 75import java.util.Collection; 76import java.util.HashMap; 77import java.util.List; 78import java.util.Map; 79 80public class EmailProvider extends ContentProvider { 81 82 private static final String TAG = "EmailProvider"; 83 84 protected static final String DATABASE_NAME = "EmailProvider.db"; 85 protected static final String BODY_DATABASE_NAME = "EmailProviderBody.db"; 86 protected static final String BACKUP_DATABASE_NAME = "EmailProviderBackup.db"; 87 88 public static final String ACTION_ATTACHMENT_UPDATED = "com.android.email.ATTACHMENT_UPDATED"; 89 public static final String ATTACHMENT_UPDATED_EXTRA_FLAGS = 90 "com.android.email.ATTACHMENT_UPDATED_FLAGS"; 91 92 /** 93 * Notifies that changes happened. Certain UI components, e.g., widgets, can register for this 94 * {@link android.content.Intent} and update accordingly. However, this can be very broad and 95 * is NOT the preferred way of getting notification. 96 */ 97 public static final String ACTION_NOTIFY_MESSAGE_LIST_DATASET_CHANGED = 98 "com.android.email.MESSAGE_LIST_DATASET_CHANGED"; 99 100 public static final String EMAIL_MESSAGE_MIME_TYPE = 101 "vnd.android.cursor.item/email-message"; 102 public static final String EMAIL_ATTACHMENT_MIME_TYPE = 103 "vnd.android.cursor.item/email-attachment"; 104 105 public static final Uri INTEGRITY_CHECK_URI = 106 Uri.parse("content://" + EmailContent.AUTHORITY + "/integrityCheck"); 107 public static final Uri ACCOUNT_BACKUP_URI = 108 Uri.parse("content://" + EmailContent.AUTHORITY + "/accountBackup"); 109 public static final Uri FOLDER_STATUS_URI = 110 Uri.parse("content://" + EmailContent.AUTHORITY + "/status"); 111 public static final Uri FOLDER_REFRESH_URI = 112 Uri.parse("content://" + EmailContent.AUTHORITY + "/refresh"); 113 114 /** Appended to the notification URI for delete operations */ 115 public static final String NOTIFICATION_OP_DELETE = "delete"; 116 /** Appended to the notification URI for insert operations */ 117 public static final String NOTIFICATION_OP_INSERT = "insert"; 118 /** Appended to the notification URI for update operations */ 119 public static final String NOTIFICATION_OP_UPDATE = "update"; 120 121 // Definitions for our queries looking for orphaned messages 122 private static final String[] ORPHANS_PROJECTION 123 = new String[] {MessageColumns.ID, MessageColumns.MAILBOX_KEY}; 124 private static final int ORPHANS_ID = 0; 125 private static final int ORPHANS_MAILBOX_KEY = 1; 126 127 private static final String WHERE_ID = EmailContent.RECORD_ID + "=?"; 128 129 // This is not a hard limit on accounts, per se, but beyond this, we can't guarantee that all 130 // critical mailboxes, host auth's, accounts, and policies are cached 131 private static final int MAX_CACHED_ACCOUNTS = 16; 132 // Inbox, Drafts, Sent, Outbox, Trash, and Search (these boxes are cached when possible) 133 private static final int NUM_ALWAYS_CACHED_MAILBOXES = 6; 134 135 // We'll cache the following four tables; sizes are best estimates of effective values 136 private final ContentCache mCacheAccount = 137 new ContentCache("Account", Account.CONTENT_PROJECTION, MAX_CACHED_ACCOUNTS); 138 private final ContentCache mCacheHostAuth = 139 new ContentCache("HostAuth", HostAuth.CONTENT_PROJECTION, MAX_CACHED_ACCOUNTS * 2); 140 /*package*/ final ContentCache mCacheMailbox = 141 new ContentCache("Mailbox", Mailbox.CONTENT_PROJECTION, 142 MAX_CACHED_ACCOUNTS * (NUM_ALWAYS_CACHED_MAILBOXES + 2)); 143 private final ContentCache mCacheMessage = 144 new ContentCache("Message", Message.CONTENT_PROJECTION, 8); 145 private final ContentCache mCachePolicy = 146 new ContentCache("Policy", Policy.CONTENT_PROJECTION, MAX_CACHED_ACCOUNTS); 147 148 private static final int ACCOUNT_BASE = 0; 149 private static final int ACCOUNT = ACCOUNT_BASE; 150 private static final int ACCOUNT_ID = ACCOUNT_BASE + 1; 151 private static final int ACCOUNT_ID_ADD_TO_FIELD = ACCOUNT_BASE + 2; 152 private static final int ACCOUNT_RESET_NEW_COUNT = ACCOUNT_BASE + 3; 153 private static final int ACCOUNT_RESET_NEW_COUNT_ID = ACCOUNT_BASE + 4; 154 private static final int ACCOUNT_DEFAULT_ID = ACCOUNT_BASE + 5; 155 156 private static final int MAILBOX_BASE = 0x1000; 157 private static final int MAILBOX = MAILBOX_BASE; 158 private static final int MAILBOX_ID = MAILBOX_BASE + 1; 159 private static final int MAILBOX_ID_FROM_ACCOUNT_AND_TYPE = MAILBOX_BASE + 2; 160 private static final int MAILBOX_ID_ADD_TO_FIELD = MAILBOX_BASE + 3; 161 private static final int MAILBOX_NOTIFICATION = MAILBOX_BASE + 4; 162 private static final int MAILBOX_MOST_RECENT_MESSAGE = MAILBOX_BASE + 5; 163 164 private static final int MESSAGE_BASE = 0x2000; 165 private static final int MESSAGE = MESSAGE_BASE; 166 private static final int MESSAGE_ID = MESSAGE_BASE + 1; 167 private static final int SYNCED_MESSAGE_ID = MESSAGE_BASE + 2; 168 169 private static final int ATTACHMENT_BASE = 0x3000; 170 private static final int ATTACHMENT = ATTACHMENT_BASE; 171 private static final int ATTACHMENT_ID = ATTACHMENT_BASE + 1; 172 private static final int ATTACHMENTS_MESSAGE_ID = ATTACHMENT_BASE + 2; 173 174 private static final int HOSTAUTH_BASE = 0x4000; 175 private static final int HOSTAUTH = HOSTAUTH_BASE; 176 private static final int HOSTAUTH_ID = HOSTAUTH_BASE + 1; 177 178 private static final int UPDATED_MESSAGE_BASE = 0x5000; 179 private static final int UPDATED_MESSAGE = UPDATED_MESSAGE_BASE; 180 private static final int UPDATED_MESSAGE_ID = UPDATED_MESSAGE_BASE + 1; 181 182 private static final int DELETED_MESSAGE_BASE = 0x6000; 183 private static final int DELETED_MESSAGE = DELETED_MESSAGE_BASE; 184 private static final int DELETED_MESSAGE_ID = DELETED_MESSAGE_BASE + 1; 185 186 private static final int POLICY_BASE = 0x7000; 187 private static final int POLICY = POLICY_BASE; 188 private static final int POLICY_ID = POLICY_BASE + 1; 189 190 private static final int QUICK_RESPONSE_BASE = 0x8000; 191 private static final int QUICK_RESPONSE = QUICK_RESPONSE_BASE; 192 private static final int QUICK_RESPONSE_ID = QUICK_RESPONSE_BASE + 1; 193 private static final int QUICK_RESPONSE_ACCOUNT_ID = QUICK_RESPONSE_BASE + 2; 194 195 private static final int UI_BASE = 0x9000; 196 private static final int UI_FOLDERS = UI_BASE; 197 private static final int UI_SUBFOLDERS = UI_BASE + 1; 198 private static final int UI_MESSAGES = UI_BASE + 2; 199 private static final int UI_MESSAGE = UI_BASE + 3; 200 private static final int UI_SENDMAIL = UI_BASE + 4; 201 private static final int UI_UNDO = UI_BASE + 5; 202 private static final int UI_SAVEDRAFT = UI_BASE + 6; 203 private static final int UI_UPDATEDRAFT = UI_BASE + 7; 204 private static final int UI_SENDDRAFT = UI_BASE + 8; 205 private static final int UI_FOLDER_REFRESH = UI_BASE + 9; 206 private static final int UI_FOLDER = UI_BASE + 10; 207 private static final int UI_ACCOUNT = UI_BASE + 11; 208 private static final int UI_ACCTS = UI_BASE + 12; 209 private static final int UI_SETTINGS = UI_BASE + 13; 210 private static final int UI_ATTACHMENTS = UI_BASE + 14; 211 private static final int UI_ATTACHMENT = UI_BASE + 15; 212 213 // MUST ALWAYS EQUAL THE LAST OF THE PREVIOUS BASE CONSTANTS 214 private static final int LAST_EMAIL_PROVIDER_DB_BASE = UI_BASE; 215 216 // DO NOT CHANGE BODY_BASE!! 217 private static final int BODY_BASE = LAST_EMAIL_PROVIDER_DB_BASE + 0x1000; 218 private static final int BODY = BODY_BASE; 219 private static final int BODY_ID = BODY_BASE + 1; 220 221 private static final int BASE_SHIFT = 12; // 12 bits to the base type: 0, 0x1000, 0x2000, etc. 222 223 // TABLE_NAMES MUST remain in the order of the BASE constants above (e.g. ACCOUNT_BASE = 0x0000, 224 // MESSAGE_BASE = 0x1000, etc.) 225 private static final String[] TABLE_NAMES = { 226 Account.TABLE_NAME, 227 Mailbox.TABLE_NAME, 228 Message.TABLE_NAME, 229 Attachment.TABLE_NAME, 230 HostAuth.TABLE_NAME, 231 Message.UPDATED_TABLE_NAME, 232 Message.DELETED_TABLE_NAME, 233 Policy.TABLE_NAME, 234 QuickResponse.TABLE_NAME, 235 null, // UI 236 Body.TABLE_NAME, 237 }; 238 239 // CONTENT_CACHES MUST remain in the order of the BASE constants above 240 private final ContentCache[] mContentCaches = { 241 mCacheAccount, 242 mCacheMailbox, 243 mCacheMessage, 244 null, // Attachment 245 mCacheHostAuth, 246 null, // Updated message 247 null, // Deleted message 248 mCachePolicy, 249 null, // Quick response 250 null, // Body 251 null // UI 252 }; 253 254 // CACHE_PROJECTIONS MUST remain in the order of the BASE constants above 255 private static final String[][] CACHE_PROJECTIONS = { 256 Account.CONTENT_PROJECTION, 257 Mailbox.CONTENT_PROJECTION, 258 Message.CONTENT_PROJECTION, 259 null, // Attachment 260 HostAuth.CONTENT_PROJECTION, 261 null, // Updated message 262 null, // Deleted message 263 Policy.CONTENT_PROJECTION, 264 null, // Quick response 265 null, // Body 266 null // UI 267 }; 268 269 private static final UriMatcher sURIMatcher = new UriMatcher(UriMatcher.NO_MATCH); 270 271 private static final String MAILBOX_PRE_CACHE_SELECTION = MailboxColumns.TYPE + " IN (" + 272 Mailbox.TYPE_INBOX + "," + Mailbox.TYPE_DRAFTS + "," + Mailbox.TYPE_TRASH + "," + 273 Mailbox.TYPE_SENT + "," + Mailbox.TYPE_SEARCH + "," + Mailbox.TYPE_OUTBOX + ")"; 274 275 /** 276 * Let's only generate these SQL strings once, as they are used frequently 277 * Note that this isn't relevant for table creation strings, since they are used only once 278 */ 279 private static final String UPDATED_MESSAGE_INSERT = "insert or ignore into " + 280 Message.UPDATED_TABLE_NAME + " select * from " + Message.TABLE_NAME + " where " + 281 EmailContent.RECORD_ID + '='; 282 283 private static final String UPDATED_MESSAGE_DELETE = "delete from " + 284 Message.UPDATED_TABLE_NAME + " where " + EmailContent.RECORD_ID + '='; 285 286 private static final String DELETED_MESSAGE_INSERT = "insert or replace into " + 287 Message.DELETED_TABLE_NAME + " select * from " + Message.TABLE_NAME + " where " + 288 EmailContent.RECORD_ID + '='; 289 290 private static final String DELETE_ORPHAN_BODIES = "delete from " + Body.TABLE_NAME + 291 " where " + BodyColumns.MESSAGE_KEY + " in " + "(select " + BodyColumns.MESSAGE_KEY + 292 " from " + Body.TABLE_NAME + " except select " + EmailContent.RECORD_ID + " from " + 293 Message.TABLE_NAME + ')'; 294 295 private static final String DELETE_BODY = "delete from " + Body.TABLE_NAME + 296 " where " + BodyColumns.MESSAGE_KEY + '='; 297 298 private static final String ID_EQUALS = EmailContent.RECORD_ID + "=?"; 299 300 private static final ContentValues CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT; 301 private static final ContentValues EMPTY_CONTENT_VALUES = new ContentValues(); 302 303 public static final String MESSAGE_URI_PARAMETER_MAILBOX_ID = "mailboxId"; 304 305 // For undo handling 306 private int mLastSequence = -1; 307 private ArrayList<ContentProviderOperation> mLastSequenceOps = 308 new ArrayList<ContentProviderOperation>(); 309 310 // Query parameter indicating the command came from UIProvider 311 private static final String IS_UIPROVIDER = "is_uiprovider"; 312 313 static { 314 // Email URI matching table 315 UriMatcher matcher = sURIMatcher; 316 317 // All accounts 318 matcher.addURI(EmailContent.AUTHORITY, "account", ACCOUNT); 319 // A specific account 320 // insert into this URI causes a mailbox to be added to the account 321 matcher.addURI(EmailContent.AUTHORITY, "account/#", ACCOUNT_ID); 322 matcher.addURI(EmailContent.AUTHORITY, "account/default", ACCOUNT_DEFAULT_ID); 323 324 // Special URI to reset the new message count. Only update works, and content values 325 // will be ignored. 326 matcher.addURI(EmailContent.AUTHORITY, "resetNewMessageCount", 327 ACCOUNT_RESET_NEW_COUNT); 328 matcher.addURI(EmailContent.AUTHORITY, "resetNewMessageCount/#", 329 ACCOUNT_RESET_NEW_COUNT_ID); 330 331 // All mailboxes 332 matcher.addURI(EmailContent.AUTHORITY, "mailbox", MAILBOX); 333 // A specific mailbox 334 // insert into this URI causes a message to be added to the mailbox 335 // ** NOTE For now, the accountKey must be set manually in the values! 336 matcher.addURI(EmailContent.AUTHORITY, "mailbox/#", MAILBOX_ID); 337 matcher.addURI(EmailContent.AUTHORITY, "mailboxIdFromAccountAndType/#/#", 338 MAILBOX_ID_FROM_ACCOUNT_AND_TYPE); 339 matcher.addURI(EmailContent.AUTHORITY, "mailboxNotification/#", MAILBOX_NOTIFICATION); 340 matcher.addURI(EmailContent.AUTHORITY, "mailboxMostRecentMessage/#", 341 MAILBOX_MOST_RECENT_MESSAGE); 342 343 // All messages 344 matcher.addURI(EmailContent.AUTHORITY, "message", MESSAGE); 345 // A specific message 346 // insert into this URI causes an attachment to be added to the message 347 matcher.addURI(EmailContent.AUTHORITY, "message/#", MESSAGE_ID); 348 349 // A specific attachment 350 matcher.addURI(EmailContent.AUTHORITY, "attachment", ATTACHMENT); 351 // A specific attachment (the header information) 352 matcher.addURI(EmailContent.AUTHORITY, "attachment/#", ATTACHMENT_ID); 353 // The attachments of a specific message (query only) (insert & delete TBD) 354 matcher.addURI(EmailContent.AUTHORITY, "attachment/message/#", 355 ATTACHMENTS_MESSAGE_ID); 356 357 // All mail bodies 358 matcher.addURI(EmailContent.AUTHORITY, "body", BODY); 359 // A specific mail body 360 matcher.addURI(EmailContent.AUTHORITY, "body/#", BODY_ID); 361 362 // All hostauth records 363 matcher.addURI(EmailContent.AUTHORITY, "hostauth", HOSTAUTH); 364 // A specific hostauth 365 matcher.addURI(EmailContent.AUTHORITY, "hostauth/#", HOSTAUTH_ID); 366 367 // Atomically a constant value to a particular field of a mailbox/account 368 matcher.addURI(EmailContent.AUTHORITY, "mailboxIdAddToField/#", 369 MAILBOX_ID_ADD_TO_FIELD); 370 matcher.addURI(EmailContent.AUTHORITY, "accountIdAddToField/#", 371 ACCOUNT_ID_ADD_TO_FIELD); 372 373 /** 374 * THIS URI HAS SPECIAL SEMANTICS 375 * ITS USE IS INTENDED FOR THE UI APPLICATION TO MARK CHANGES THAT NEED TO BE SYNCED BACK 376 * TO A SERVER VIA A SYNC ADAPTER 377 */ 378 matcher.addURI(EmailContent.AUTHORITY, "syncedMessage/#", SYNCED_MESSAGE_ID); 379 380 /** 381 * THE URIs BELOW THIS POINT ARE INTENDED TO BE USED BY SYNC ADAPTERS ONLY 382 * THEY REFER TO DATA CREATED AND MAINTAINED BY CALLS TO THE SYNCED_MESSAGE_ID URI 383 * BY THE UI APPLICATION 384 */ 385 // All deleted messages 386 matcher.addURI(EmailContent.AUTHORITY, "deletedMessage", DELETED_MESSAGE); 387 // A specific deleted message 388 matcher.addURI(EmailContent.AUTHORITY, "deletedMessage/#", DELETED_MESSAGE_ID); 389 390 // All updated messages 391 matcher.addURI(EmailContent.AUTHORITY, "updatedMessage", UPDATED_MESSAGE); 392 // A specific updated message 393 matcher.addURI(EmailContent.AUTHORITY, "updatedMessage/#", UPDATED_MESSAGE_ID); 394 395 CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT = new ContentValues(); 396 CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT.put(Account.NEW_MESSAGE_COUNT, 0); 397 398 matcher.addURI(EmailContent.AUTHORITY, "policy", POLICY); 399 matcher.addURI(EmailContent.AUTHORITY, "policy/#", POLICY_ID); 400 401 // All quick responses 402 matcher.addURI(EmailContent.AUTHORITY, "quickresponse", QUICK_RESPONSE); 403 // A specific quick response 404 matcher.addURI(EmailContent.AUTHORITY, "quickresponse/#", QUICK_RESPONSE_ID); 405 // All quick responses associated with a particular account id 406 matcher.addURI(EmailContent.AUTHORITY, "quickresponse/account/#", 407 QUICK_RESPONSE_ACCOUNT_ID); 408 409 matcher.addURI(EmailContent.AUTHORITY, "uifolders/#", UI_FOLDERS); 410 matcher.addURI(EmailContent.AUTHORITY, "uisubfolders/#", UI_SUBFOLDERS); 411 matcher.addURI(EmailContent.AUTHORITY, "uimessages/#", UI_MESSAGES); 412 matcher.addURI(EmailContent.AUTHORITY, "uimessage/#", UI_MESSAGE); 413 matcher.addURI(EmailContent.AUTHORITY, "uisendmail/#", UI_SENDMAIL); 414 matcher.addURI(EmailContent.AUTHORITY, "uiundo/#", UI_UNDO); 415 matcher.addURI(EmailContent.AUTHORITY, "uisavedraft/#", UI_SAVEDRAFT); 416 matcher.addURI(EmailContent.AUTHORITY, "uiupdatedraft/#", UI_UPDATEDRAFT); 417 matcher.addURI(EmailContent.AUTHORITY, "uisenddraft/#", UI_SENDDRAFT); 418 matcher.addURI(EmailContent.AUTHORITY, "uirefresh/#", UI_FOLDER_REFRESH); 419 matcher.addURI(EmailContent.AUTHORITY, "uifolder/#", UI_FOLDER); 420 matcher.addURI(EmailContent.AUTHORITY, "uiaccount/#", UI_ACCOUNT); 421 matcher.addURI(EmailContent.AUTHORITY, "uiaccts", UI_ACCTS); 422 matcher.addURI(EmailContent.AUTHORITY, "uisettings/#", UI_SETTINGS); 423 matcher.addURI(EmailContent.AUTHORITY, "uiattachments/#", UI_ATTACHMENTS); 424 matcher.addURI(EmailContent.AUTHORITY, "uiattachment/#", UI_ATTACHMENT); 425 } 426 427 /** 428 * Wrap the UriMatcher call so we can throw a runtime exception if an unknown Uri is passed in 429 * @param uri the Uri to match 430 * @return the match value 431 */ 432 private static int findMatch(Uri uri, String methodName) { 433 int match = sURIMatcher.match(uri); 434 if (match < 0) { 435 throw new IllegalArgumentException("Unknown uri: " + uri); 436 } else if (Logging.LOGD) { 437 Log.v(TAG, methodName + ": uri=" + uri + ", match is " + match); 438 } 439 return match; 440 } 441 442 private SQLiteDatabase mDatabase; 443 private SQLiteDatabase mBodyDatabase; 444 445 /** 446 * Orphan record deletion utility. Generates a sqlite statement like: 447 * delete from <table> where <column> not in (select <foreignColumn> from <foreignTable>) 448 * @param db the EmailProvider database 449 * @param table the table whose orphans are to be removed 450 * @param column the column deletion will be based on 451 * @param foreignColumn the column in the foreign table whose absence will trigger the deletion 452 * @param foreignTable the foreign table 453 */ 454 @VisibleForTesting 455 void deleteUnlinked(SQLiteDatabase db, String table, String column, String foreignColumn, 456 String foreignTable) { 457 int count = db.delete(table, column + " not in (select " + foreignColumn + " from " + 458 foreignTable + ")", null); 459 if (count > 0) { 460 Log.w(TAG, "Found " + count + " orphaned row(s) in " + table); 461 } 462 } 463 464 @VisibleForTesting 465 synchronized SQLiteDatabase getDatabase(Context context) { 466 // Always return the cached database, if we've got one 467 if (mDatabase != null) { 468 return mDatabase; 469 } 470 471 // Whenever we create or re-cache the databases, make sure that we haven't lost one 472 // to corruption 473 checkDatabases(); 474 475 DBHelper.DatabaseHelper helper = new DBHelper.DatabaseHelper(context, DATABASE_NAME); 476 mDatabase = helper.getWritableDatabase(); 477 DBHelper.BodyDatabaseHelper bodyHelper = 478 new DBHelper.BodyDatabaseHelper(context, BODY_DATABASE_NAME); 479 mBodyDatabase = bodyHelper.getWritableDatabase(); 480 if (mBodyDatabase != null) { 481 String bodyFileName = mBodyDatabase.getPath(); 482 mDatabase.execSQL("attach \"" + bodyFileName + "\" as BodyDatabase"); 483 } 484 485 // Restore accounts if the database is corrupted... 486 restoreIfNeeded(context, mDatabase); 487 488 if (Email.DEBUG) { 489 Log.d(TAG, "Deleting orphans..."); 490 } 491 // Check for any orphaned Messages in the updated/deleted tables 492 deleteMessageOrphans(mDatabase, Message.UPDATED_TABLE_NAME); 493 deleteMessageOrphans(mDatabase, Message.DELETED_TABLE_NAME); 494 // Delete orphaned mailboxes/messages/policies (account no longer exists) 495 deleteUnlinked(mDatabase, Mailbox.TABLE_NAME, MailboxColumns.ACCOUNT_KEY, AccountColumns.ID, 496 Account.TABLE_NAME); 497 deleteUnlinked(mDatabase, Message.TABLE_NAME, MessageColumns.ACCOUNT_KEY, AccountColumns.ID, 498 Account.TABLE_NAME); 499 deleteUnlinked(mDatabase, Policy.TABLE_NAME, PolicyColumns.ID, AccountColumns.POLICY_KEY, 500 Account.TABLE_NAME); 501 502 if (Email.DEBUG) { 503 Log.d(TAG, "EmailProvider pre-caching..."); 504 } 505 preCacheData(); 506 if (Email.DEBUG) { 507 Log.d(TAG, "EmailProvider ready."); 508 } 509 return mDatabase; 510 } 511 512 /** 513 * Pre-cache all of the items in a given table meeting the selection criteria 514 * @param tableUri the table uri 515 * @param baseProjection the base projection of that table 516 * @param selection the selection criteria 517 */ 518 private void preCacheTable(Uri tableUri, String[] baseProjection, String selection) { 519 Cursor c = query(tableUri, EmailContent.ID_PROJECTION, selection, null, null); 520 try { 521 while (c.moveToNext()) { 522 long id = c.getLong(EmailContent.ID_PROJECTION_COLUMN); 523 Cursor cachedCursor = query(ContentUris.withAppendedId( 524 tableUri, id), baseProjection, null, null, null); 525 if (cachedCursor != null) { 526 // For accounts, create a mailbox type map entry (if necessary) 527 if (tableUri == Account.CONTENT_URI) { 528 getOrCreateAccountMailboxTypeMap(id); 529 } 530 cachedCursor.close(); 531 } 532 } 533 } finally { 534 c.close(); 535 } 536 } 537 538 private final HashMap<Long, HashMap<Integer, Long>> mMailboxTypeMap = 539 new HashMap<Long, HashMap<Integer, Long>>(); 540 541 private HashMap<Integer, Long> getOrCreateAccountMailboxTypeMap(long accountId) { 542 synchronized(mMailboxTypeMap) { 543 HashMap<Integer, Long> accountMailboxTypeMap = mMailboxTypeMap.get(accountId); 544 if (accountMailboxTypeMap == null) { 545 accountMailboxTypeMap = new HashMap<Integer, Long>(); 546 mMailboxTypeMap.put(accountId, accountMailboxTypeMap); 547 } 548 return accountMailboxTypeMap; 549 } 550 } 551 552 private void addToMailboxTypeMap(Cursor c) { 553 long accountId = c.getLong(Mailbox.CONTENT_ACCOUNT_KEY_COLUMN); 554 int type = c.getInt(Mailbox.CONTENT_TYPE_COLUMN); 555 synchronized(mMailboxTypeMap) { 556 HashMap<Integer, Long> accountMailboxTypeMap = 557 getOrCreateAccountMailboxTypeMap(accountId); 558 accountMailboxTypeMap.put(type, c.getLong(Mailbox.CONTENT_ID_COLUMN)); 559 } 560 } 561 562 private long getMailboxIdFromMailboxTypeMap(long accountId, int type) { 563 synchronized(mMailboxTypeMap) { 564 HashMap<Integer, Long> accountMap = mMailboxTypeMap.get(accountId); 565 Long mailboxId = null; 566 if (accountMap != null) { 567 mailboxId = accountMap.get(type); 568 } 569 if (mailboxId == null) return Mailbox.NO_MAILBOX; 570 return mailboxId; 571 } 572 } 573 574 private void preCacheData() { 575 synchronized(mMailboxTypeMap) { 576 mMailboxTypeMap.clear(); 577 578 // Pre-cache accounts, host auth's, policies, and special mailboxes 579 preCacheTable(Account.CONTENT_URI, Account.CONTENT_PROJECTION, null); 580 preCacheTable(HostAuth.CONTENT_URI, HostAuth.CONTENT_PROJECTION, null); 581 preCacheTable(Policy.CONTENT_URI, Policy.CONTENT_PROJECTION, null); 582 preCacheTable(Mailbox.CONTENT_URI, Mailbox.CONTENT_PROJECTION, 583 MAILBOX_PRE_CACHE_SELECTION); 584 585 // Create a map from account,type to a mailbox 586 Map<String, Cursor> snapshot = mCacheMailbox.getSnapshot(); 587 Collection<Cursor> values = snapshot.values(); 588 if (values != null) { 589 for (Cursor c: values) { 590 if (c.moveToFirst()) { 591 addToMailboxTypeMap(c); 592 } 593 } 594 } 595 } 596 } 597 598 /*package*/ static SQLiteDatabase getReadableDatabase(Context context) { 599 DBHelper.DatabaseHelper helper = new DBHelper.DatabaseHelper(context, DATABASE_NAME); 600 return helper.getReadableDatabase(); 601 } 602 603 /** 604 * Restore user Account and HostAuth data from our backup database 605 */ 606 public static void restoreIfNeeded(Context context, SQLiteDatabase mainDatabase) { 607 if (Email.DEBUG) { 608 Log.w(TAG, "restoreIfNeeded..."); 609 } 610 // Check for legacy backup 611 String legacyBackup = Preferences.getLegacyBackupPreference(context); 612 // If there's a legacy backup, create a new-style backup and delete the legacy backup 613 // In the 1:1000000000 chance that the user gets an app update just as his database becomes 614 // corrupt, oh well... 615 if (!TextUtils.isEmpty(legacyBackup)) { 616 backupAccounts(context, mainDatabase); 617 Preferences.clearLegacyBackupPreference(context); 618 Log.w(TAG, "Created new EmailProvider backup database"); 619 return; 620 } 621 622 // If we have accounts, we're done 623 Cursor c = mainDatabase.query(Account.TABLE_NAME, EmailContent.ID_PROJECTION, null, null, 624 null, null, null); 625 if (c.moveToFirst()) { 626 if (Email.DEBUG) { 627 Log.w(TAG, "restoreIfNeeded: Account exists."); 628 } 629 return; // At least one account exists. 630 } 631 restoreAccounts(context, mainDatabase); 632 } 633 634 /** {@inheritDoc} */ 635 @Override 636 public void shutdown() { 637 if (mDatabase != null) { 638 mDatabase.close(); 639 mDatabase = null; 640 } 641 if (mBodyDatabase != null) { 642 mBodyDatabase.close(); 643 mBodyDatabase = null; 644 } 645 } 646 647 /*package*/ static void deleteMessageOrphans(SQLiteDatabase database, String tableName) { 648 if (database != null) { 649 // We'll look at all of the items in the table; there won't be many typically 650 Cursor c = database.query(tableName, ORPHANS_PROJECTION, null, null, null, null, null); 651 // Usually, there will be nothing in these tables, so make a quick check 652 try { 653 if (c.getCount() == 0) return; 654 ArrayList<Long> foundMailboxes = new ArrayList<Long>(); 655 ArrayList<Long> notFoundMailboxes = new ArrayList<Long>(); 656 ArrayList<Long> deleteList = new ArrayList<Long>(); 657 String[] bindArray = new String[1]; 658 while (c.moveToNext()) { 659 // Get the mailbox key and see if we've already found this mailbox 660 // If so, we're fine 661 long mailboxId = c.getLong(ORPHANS_MAILBOX_KEY); 662 // If we already know this mailbox doesn't exist, mark the message for deletion 663 if (notFoundMailboxes.contains(mailboxId)) { 664 deleteList.add(c.getLong(ORPHANS_ID)); 665 // If we don't know about this mailbox, we'll try to find it 666 } else if (!foundMailboxes.contains(mailboxId)) { 667 bindArray[0] = Long.toString(mailboxId); 668 Cursor boxCursor = database.query(Mailbox.TABLE_NAME, 669 Mailbox.ID_PROJECTION, WHERE_ID, bindArray, null, null, null); 670 try { 671 // If it exists, we'll add it to the "found" mailboxes 672 if (boxCursor.moveToFirst()) { 673 foundMailboxes.add(mailboxId); 674 // Otherwise, we'll add to "not found" and mark the message for deletion 675 } else { 676 notFoundMailboxes.add(mailboxId); 677 deleteList.add(c.getLong(ORPHANS_ID)); 678 } 679 } finally { 680 boxCursor.close(); 681 } 682 } 683 } 684 // Now, delete the orphan messages 685 for (long messageId: deleteList) { 686 bindArray[0] = Long.toString(messageId); 687 database.delete(tableName, WHERE_ID, bindArray); 688 } 689 } finally { 690 c.close(); 691 } 692 } 693 } 694 695 @Override 696 public int delete(Uri uri, String selection, String[] selectionArgs) { 697 final int match = findMatch(uri, "delete"); 698 Context context = getContext(); 699 // Pick the correct database for this operation 700 // If we're in a transaction already (which would happen during applyBatch), then the 701 // body database is already attached to the email database and any attempt to use the 702 // body database directly will result in a SQLiteException (the database is locked) 703 SQLiteDatabase db = getDatabase(context); 704 int table = match >> BASE_SHIFT; 705 String id = "0"; 706 boolean messageDeletion = false; 707 ContentResolver resolver = context.getContentResolver(); 708 709 ContentCache cache = mContentCaches[table]; 710 String tableName = TABLE_NAMES[table]; 711 int result = -1; 712 713 try { 714 if (match == MESSAGE_ID || match == SYNCED_MESSAGE_ID) { 715 if (!uri.getBooleanQueryParameter(IS_UIPROVIDER, false)) { 716 notifyUIConversation(uri); 717 } 718 } 719 switch (match) { 720 case UI_MESSAGE: 721 return uiDeleteMessage(uri); 722 // These are cases in which one or more Messages might get deleted, either by 723 // cascade or explicitly 724 case MAILBOX_ID: 725 case MAILBOX: 726 case ACCOUNT_ID: 727 case ACCOUNT: 728 case MESSAGE: 729 case SYNCED_MESSAGE_ID: 730 case MESSAGE_ID: 731 // Handle lost Body records here, since this cannot be done in a trigger 732 // The process is: 733 // 1) Begin a transaction, ensuring that both databases are affected atomically 734 // 2) Do the requested deletion, with cascading deletions handled in triggers 735 // 3) End the transaction, committing all changes atomically 736 // 737 // Bodies are auto-deleted here; Attachments are auto-deleted via trigger 738 messageDeletion = true; 739 db.beginTransaction(); 740 break; 741 } 742 switch (match) { 743 case BODY_ID: 744 case DELETED_MESSAGE_ID: 745 case SYNCED_MESSAGE_ID: 746 case MESSAGE_ID: 747 case UPDATED_MESSAGE_ID: 748 case ATTACHMENT_ID: 749 case MAILBOX_ID: 750 case ACCOUNT_ID: 751 case HOSTAUTH_ID: 752 case POLICY_ID: 753 case QUICK_RESPONSE_ID: 754 id = uri.getPathSegments().get(1); 755 if (match == SYNCED_MESSAGE_ID) { 756 // For synced messages, first copy the old message to the deleted table and 757 // delete it from the updated table (in case it was updated first) 758 // Note that this is all within a transaction, for atomicity 759 db.execSQL(DELETED_MESSAGE_INSERT + id); 760 db.execSQL(UPDATED_MESSAGE_DELETE + id); 761 } 762 if (cache != null) { 763 cache.lock(id); 764 } 765 try { 766 result = db.delete(tableName, whereWithId(id, selection), selectionArgs); 767 if (cache != null) { 768 switch(match) { 769 case ACCOUNT_ID: 770 // Account deletion will clear all of the caches, as HostAuth's, 771 // Mailboxes, and Messages will be deleted in the process 772 mCacheMailbox.invalidate("Delete", uri, selection); 773 mCacheHostAuth.invalidate("Delete", uri, selection); 774 mCachePolicy.invalidate("Delete", uri, selection); 775 //$FALL-THROUGH$ 776 case MAILBOX_ID: 777 // Mailbox deletion will clear the Message cache 778 mCacheMessage.invalidate("Delete", uri, selection); 779 //$FALL-THROUGH$ 780 case SYNCED_MESSAGE_ID: 781 case MESSAGE_ID: 782 case HOSTAUTH_ID: 783 case POLICY_ID: 784 cache.invalidate("Delete", uri, selection); 785 // Make sure all data is properly cached 786 if (match != MESSAGE_ID) { 787 preCacheData(); 788 } 789 break; 790 } 791 } 792 } finally { 793 if (cache != null) { 794 cache.unlock(id); 795 } 796 } 797 break; 798 case ATTACHMENTS_MESSAGE_ID: 799 // All attachments for the given message 800 id = uri.getPathSegments().get(2); 801 result = db.delete(tableName, 802 whereWith(Attachment.MESSAGE_KEY + "=" + id, selection), selectionArgs); 803 break; 804 805 case BODY: 806 case MESSAGE: 807 case DELETED_MESSAGE: 808 case UPDATED_MESSAGE: 809 case ATTACHMENT: 810 case MAILBOX: 811 case ACCOUNT: 812 case HOSTAUTH: 813 case POLICY: 814 switch(match) { 815 // See the comments above for deletion of ACCOUNT_ID, etc 816 case ACCOUNT: 817 mCacheMailbox.invalidate("Delete", uri, selection); 818 mCacheHostAuth.invalidate("Delete", uri, selection); 819 mCachePolicy.invalidate("Delete", uri, selection); 820 //$FALL-THROUGH$ 821 case MAILBOX: 822 mCacheMessage.invalidate("Delete", uri, selection); 823 //$FALL-THROUGH$ 824 case MESSAGE: 825 case HOSTAUTH: 826 case POLICY: 827 cache.invalidate("Delete", uri, selection); 828 break; 829 } 830 result = db.delete(tableName, selection, selectionArgs); 831 switch(match) { 832 case ACCOUNT: 833 case MAILBOX: 834 case HOSTAUTH: 835 case POLICY: 836 // Make sure all data is properly cached 837 preCacheData(); 838 break; 839 } 840 break; 841 842 default: 843 throw new IllegalArgumentException("Unknown URI " + uri); 844 } 845 if (messageDeletion) { 846 if (match == MESSAGE_ID) { 847 // Delete the Body record associated with the deleted message 848 db.execSQL(DELETE_BODY + id); 849 } else { 850 // Delete any orphaned Body records 851 db.execSQL(DELETE_ORPHAN_BODIES); 852 } 853 db.setTransactionSuccessful(); 854 } 855 } catch (SQLiteException e) { 856 checkDatabases(); 857 throw e; 858 } finally { 859 if (messageDeletion) { 860 db.endTransaction(); 861 } 862 } 863 864 // Notify all notifier cursors 865 sendNotifierChange(getBaseNotificationUri(match), NOTIFICATION_OP_DELETE, id); 866 867 // Notify all email content cursors 868 resolver.notifyChange(EmailContent.CONTENT_URI, null); 869 return result; 870 } 871 872 @Override 873 // Use the email- prefix because message, mailbox, and account are so generic (e.g. SMS, IM) 874 public String getType(Uri uri) { 875 int match = findMatch(uri, "getType"); 876 switch (match) { 877 case BODY_ID: 878 return "vnd.android.cursor.item/email-body"; 879 case BODY: 880 return "vnd.android.cursor.dir/email-body"; 881 case UPDATED_MESSAGE_ID: 882 case MESSAGE_ID: 883 // NOTE: According to the framework folks, we're supposed to invent mime types as 884 // a way of passing information to drag & drop recipients. 885 // If there's a mailboxId parameter in the url, we respond with a mime type that 886 // has -n appended, where n is the mailboxId of the message. The drag & drop code 887 // uses this information to know not to allow dragging the item to its own mailbox 888 String mimeType = EMAIL_MESSAGE_MIME_TYPE; 889 String mailboxId = uri.getQueryParameter(MESSAGE_URI_PARAMETER_MAILBOX_ID); 890 if (mailboxId != null) { 891 mimeType += "-" + mailboxId; 892 } 893 return mimeType; 894 case UPDATED_MESSAGE: 895 case MESSAGE: 896 return "vnd.android.cursor.dir/email-message"; 897 case MAILBOX: 898 return "vnd.android.cursor.dir/email-mailbox"; 899 case MAILBOX_ID: 900 return "vnd.android.cursor.item/email-mailbox"; 901 case ACCOUNT: 902 return "vnd.android.cursor.dir/email-account"; 903 case ACCOUNT_ID: 904 return "vnd.android.cursor.item/email-account"; 905 case ATTACHMENTS_MESSAGE_ID: 906 case ATTACHMENT: 907 return "vnd.android.cursor.dir/email-attachment"; 908 case ATTACHMENT_ID: 909 return EMAIL_ATTACHMENT_MIME_TYPE; 910 case HOSTAUTH: 911 return "vnd.android.cursor.dir/email-hostauth"; 912 case HOSTAUTH_ID: 913 return "vnd.android.cursor.item/email-hostauth"; 914 default: 915 throw new IllegalArgumentException("Unknown URI " + uri); 916 } 917 } 918 919 private static final Uri UIPROVIDER_CONVERSATION_NOTIFIER = 920 Uri.parse("content://" + UIProvider.AUTHORITY + "/uimessages"); 921 private static final Uri UIPROVIDER_MAILBOX_NOTIFIER = 922 Uri.parse("content://" + UIProvider.AUTHORITY + "/uifolder"); 923 private static final Uri UIPROVIDER_ACCOUNT_NOTIFIER = 924 Uri.parse("content://" + UIProvider.AUTHORITY + "/uiaccount"); 925 private static final Uri UIPROVIDER_SETTINGS_NOTIFIER = 926 Uri.parse("content://" + UIProvider.AUTHORITY + "/uisettings"); 927 private static final Uri UIPROVIDER_ATTACHMENT_NOTIFIER = 928 Uri.parse("content://" + UIProvider.AUTHORITY + "/uiattachment"); 929 930 @Override 931 public Uri insert(Uri uri, ContentValues values) { 932 int match = findMatch(uri, "insert"); 933 Context context = getContext(); 934 ContentResolver resolver = context.getContentResolver(); 935 936 // See the comment at delete(), above 937 SQLiteDatabase db = getDatabase(context); 938 int table = match >> BASE_SHIFT; 939 String id = "0"; 940 long longId; 941 942 // We do NOT allow setting of unreadCount/messageCount via the provider 943 // These columns are maintained via triggers 944 if (match == MAILBOX_ID || match == MAILBOX) { 945 values.put(MailboxColumns.UNREAD_COUNT, 0); 946 values.put(MailboxColumns.MESSAGE_COUNT, 0); 947 } 948 949 Uri resultUri = null; 950 951 try { 952 switch (match) { 953 case UI_SAVEDRAFT: 954 return uiSaveDraft(uri, values); 955 case UI_SENDMAIL: 956 return uiSendMail(uri, values); 957 // NOTE: It is NOT legal for production code to insert directly into UPDATED_MESSAGE 958 // or DELETED_MESSAGE; see the comment below for details 959 case UPDATED_MESSAGE: 960 case DELETED_MESSAGE: 961 case MESSAGE: 962 case BODY: 963 case ATTACHMENT: 964 case MAILBOX: 965 case ACCOUNT: 966 case HOSTAUTH: 967 case POLICY: 968 case QUICK_RESPONSE: 969 longId = db.insert(TABLE_NAMES[table], "foo", values); 970 resultUri = ContentUris.withAppendedId(uri, longId); 971 switch(match) { 972 case MESSAGE: 973 if (!uri.getBooleanQueryParameter(IS_UIPROVIDER, false)) { 974 notifyUIConversationMailbox(values.getAsLong(Message.MAILBOX_KEY)); 975 } 976 break; 977 case MAILBOX: 978 if (values.containsKey(MailboxColumns.TYPE)) { 979 // Only cache special mailbox types 980 int type = values.getAsInteger(MailboxColumns.TYPE); 981 if (type != Mailbox.TYPE_INBOX && type != Mailbox.TYPE_OUTBOX && 982 type != Mailbox.TYPE_DRAFTS && type != Mailbox.TYPE_SENT && 983 type != Mailbox.TYPE_TRASH && type != Mailbox.TYPE_SEARCH) { 984 break; 985 } 986 } 987 //$FALL-THROUGH$ 988 case ACCOUNT: 989 case HOSTAUTH: 990 case POLICY: 991 // Cache new account, host auth, policy, and some mailbox rows 992 Cursor c = query(resultUri, CACHE_PROJECTIONS[table], null, null, null); 993 if (c != null) { 994 if (match == MAILBOX) { 995 addToMailboxTypeMap(c); 996 } else if (match == ACCOUNT) { 997 getOrCreateAccountMailboxTypeMap(longId); 998 } 999 c.close(); 1000 } 1001 break; 1002 } 1003 // Clients shouldn't normally be adding rows to these tables, as they are 1004 // maintained by triggers. However, we need to be able to do this for unit 1005 // testing, so we allow the insert and then throw the same exception that we 1006 // would if this weren't allowed. 1007 if (match == UPDATED_MESSAGE || match == DELETED_MESSAGE) { 1008 throw new IllegalArgumentException("Unknown URL " + uri); 1009 } 1010 if (match == ATTACHMENT) { 1011 int flags = 0; 1012 if (values.containsKey(Attachment.FLAGS)) { 1013 flags = values.getAsInteger(Attachment.FLAGS); 1014 } 1015 // Report all new attachments to the download service 1016 mAttachmentService.attachmentChanged(getContext(), longId, flags); 1017 } 1018 break; 1019 case MAILBOX_ID: 1020 // This implies adding a message to a mailbox 1021 // Hmm, a problem here is that we can't link the account as well, so it must be 1022 // already in the values... 1023 longId = Long.parseLong(uri.getPathSegments().get(1)); 1024 values.put(MessageColumns.MAILBOX_KEY, longId); 1025 return insert(Message.CONTENT_URI, values); // Recurse 1026 case MESSAGE_ID: 1027 // This implies adding an attachment to a message. 1028 id = uri.getPathSegments().get(1); 1029 longId = Long.parseLong(id); 1030 values.put(AttachmentColumns.MESSAGE_KEY, longId); 1031 return insert(Attachment.CONTENT_URI, values); // Recurse 1032 case ACCOUNT_ID: 1033 // This implies adding a mailbox to an account. 1034 longId = Long.parseLong(uri.getPathSegments().get(1)); 1035 values.put(MailboxColumns.ACCOUNT_KEY, longId); 1036 return insert(Mailbox.CONTENT_URI, values); // Recurse 1037 case ATTACHMENTS_MESSAGE_ID: 1038 longId = db.insert(TABLE_NAMES[table], "foo", values); 1039 resultUri = ContentUris.withAppendedId(Attachment.CONTENT_URI, longId); 1040 break; 1041 default: 1042 throw new IllegalArgumentException("Unknown URL " + uri); 1043 } 1044 } catch (SQLiteException e) { 1045 checkDatabases(); 1046 throw e; 1047 } 1048 1049 // Notify all notifier cursors 1050 sendNotifierChange(getBaseNotificationUri(match), NOTIFICATION_OP_INSERT, id); 1051 1052 // Notify all existing cursors. 1053 resolver.notifyChange(EmailContent.CONTENT_URI, null); 1054 return resultUri; 1055 } 1056 1057 @Override 1058 public boolean onCreate() { 1059 checkDatabases(); 1060 return false; 1061 } 1062 1063 /** 1064 * The idea here is that the two databases (EmailProvider.db and EmailProviderBody.db must 1065 * always be in sync (i.e. there are two database or NO databases). This code will delete 1066 * any "orphan" database, so that both will be created together. Note that an "orphan" database 1067 * will exist after either of the individual databases is deleted due to data corruption. 1068 */ 1069 public void checkDatabases() { 1070 // Uncache the databases 1071 if (mDatabase != null) { 1072 mDatabase = null; 1073 } 1074 if (mBodyDatabase != null) { 1075 mBodyDatabase = null; 1076 } 1077 // Look for orphans, and delete as necessary; these must always be in sync 1078 File databaseFile = getContext().getDatabasePath(DATABASE_NAME); 1079 File bodyFile = getContext().getDatabasePath(BODY_DATABASE_NAME); 1080 1081 // TODO Make sure attachments are deleted 1082 if (databaseFile.exists() && !bodyFile.exists()) { 1083 Log.w(TAG, "Deleting orphaned EmailProvider database..."); 1084 databaseFile.delete(); 1085 } else if (bodyFile.exists() && !databaseFile.exists()) { 1086 Log.w(TAG, "Deleting orphaned EmailProviderBody database..."); 1087 bodyFile.delete(); 1088 } 1089 } 1090 @Override 1091 public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, 1092 String sortOrder) { 1093 long time = 0L; 1094 if (Email.DEBUG) { 1095 time = System.nanoTime(); 1096 } 1097 Cursor c = null; 1098 int match; 1099 try { 1100 match = findMatch(uri, "query"); 1101 } catch (IllegalArgumentException e) { 1102 String uriString = uri.toString(); 1103 // If we were passed an illegal uri, see if it ends in /-1 1104 // if so, and if substituting 0 for -1 results in a valid uri, return an empty cursor 1105 if (uriString != null && uriString.endsWith("/-1")) { 1106 uri = Uri.parse(uriString.substring(0, uriString.length() - 2) + "0"); 1107 match = findMatch(uri, "query"); 1108 switch (match) { 1109 case BODY_ID: 1110 case MESSAGE_ID: 1111 case DELETED_MESSAGE_ID: 1112 case UPDATED_MESSAGE_ID: 1113 case ATTACHMENT_ID: 1114 case MAILBOX_ID: 1115 case ACCOUNT_ID: 1116 case HOSTAUTH_ID: 1117 case POLICY_ID: 1118 return new MatrixCursor(projection, 0); 1119 } 1120 } 1121 throw e; 1122 } 1123 Context context = getContext(); 1124 // See the comment at delete(), above 1125 SQLiteDatabase db = getDatabase(context); 1126 int table = match >> BASE_SHIFT; 1127 String limit = uri.getQueryParameter(EmailContent.PARAMETER_LIMIT); 1128 String id; 1129 1130 // Find the cache for this query's table (if any) 1131 ContentCache cache = null; 1132 String tableName = TABLE_NAMES[table]; 1133 // We can only use the cache if there's no selection 1134 if (selection == null) { 1135 cache = mContentCaches[table]; 1136 } 1137 if (cache == null) { 1138 ContentCache.notCacheable(uri, selection); 1139 } 1140 1141 try { 1142 switch (match) { 1143 // First, dispatch queries from UnfiedEmail 1144 case UI_ACCTS: 1145 return uiAccounts(projection); 1146 case UI_UNDO: 1147 return uiUndo(uri, projection); 1148 case UI_SUBFOLDERS: 1149 case UI_FOLDERS: 1150 case UI_MESSAGES: 1151 case UI_MESSAGE: 1152 case UI_FOLDER: 1153 case UI_ACCOUNT: 1154 case UI_SETTINGS: 1155 case UI_ATTACHMENT: 1156 case UI_ATTACHMENTS: 1157 // For now, we don't allow selection criteria within these queries 1158 if (selection != null || selectionArgs != null) { 1159 throw new IllegalArgumentException("UI queries can't have selection/args"); 1160 } 1161 c = uiQuery(match, uri, projection); 1162 return c; 1163 case UI_FOLDER_REFRESH: 1164 c = uiFolderRefresh(uri, projection); 1165 return c; 1166 case MAILBOX_NOTIFICATION: 1167 c = notificationQuery(uri); 1168 return c; 1169 case MAILBOX_MOST_RECENT_MESSAGE: 1170 c = mostRecentMessageQuery(uri); 1171 return c; 1172 case ACCOUNT_DEFAULT_ID: 1173 // Start with a snapshot of the cache 1174 Map<String, Cursor> accountCache = mCacheAccount.getSnapshot(); 1175 long accountId = Account.NO_ACCOUNT; 1176 // Find the account with "isDefault" set, or the lowest account ID otherwise. 1177 // Note that the snapshot from the cached isn't guaranteed to be sorted in any 1178 // way. 1179 Collection<Cursor> accounts = accountCache.values(); 1180 for (Cursor accountCursor: accounts) { 1181 // For now, at least, we can have zero count cursors (e.g. if someone looks 1182 // up a non-existent id); we need to skip these 1183 if (accountCursor.moveToFirst()) { 1184 boolean isDefault = 1185 accountCursor.getInt(Account.CONTENT_IS_DEFAULT_COLUMN) == 1; 1186 long iterId = accountCursor.getLong(Account.CONTENT_ID_COLUMN); 1187 // We'll remember this one if it's the default or the first one we see 1188 if (isDefault) { 1189 accountId = iterId; 1190 break; 1191 } else if ((accountId == Account.NO_ACCOUNT) || (iterId < accountId)) { 1192 accountId = iterId; 1193 } 1194 } 1195 } 1196 // Return a cursor with an id projection 1197 MatrixCursor mc = new MatrixCursor(EmailContent.ID_PROJECTION); 1198 mc.addRow(new Object[] {accountId}); 1199 c = mc; 1200 break; 1201 case MAILBOX_ID_FROM_ACCOUNT_AND_TYPE: 1202 // Get accountId and type and find the mailbox in our map 1203 List<String> pathSegments = uri.getPathSegments(); 1204 accountId = Long.parseLong(pathSegments.get(1)); 1205 int type = Integer.parseInt(pathSegments.get(2)); 1206 long mailboxId = getMailboxIdFromMailboxTypeMap(accountId, type); 1207 // Return a cursor with an id projection 1208 mc = new MatrixCursor(EmailContent.ID_PROJECTION); 1209 mc.addRow(new Object[] {mailboxId}); 1210 c = mc; 1211 break; 1212 case BODY: 1213 case MESSAGE: 1214 case UPDATED_MESSAGE: 1215 case DELETED_MESSAGE: 1216 case ATTACHMENT: 1217 case MAILBOX: 1218 case ACCOUNT: 1219 case HOSTAUTH: 1220 case POLICY: 1221 case QUICK_RESPONSE: 1222 // Special-case "count of accounts"; it's common and we always know it 1223 if (match == ACCOUNT && Arrays.equals(projection, EmailContent.COUNT_COLUMNS) && 1224 selection == null && limit.equals("1")) { 1225 int accountCount = mMailboxTypeMap.size(); 1226 // In the rare case there are MAX_CACHED_ACCOUNTS or more, we can't do this 1227 if (accountCount < MAX_CACHED_ACCOUNTS) { 1228 mc = new MatrixCursor(projection, 1); 1229 mc.addRow(new Object[] {accountCount}); 1230 c = mc; 1231 break; 1232 } 1233 } 1234 c = db.query(tableName, projection, 1235 selection, selectionArgs, null, null, sortOrder, limit); 1236 break; 1237 case BODY_ID: 1238 case MESSAGE_ID: 1239 case DELETED_MESSAGE_ID: 1240 case UPDATED_MESSAGE_ID: 1241 case ATTACHMENT_ID: 1242 case MAILBOX_ID: 1243 case ACCOUNT_ID: 1244 case HOSTAUTH_ID: 1245 case POLICY_ID: 1246 case QUICK_RESPONSE_ID: 1247 id = uri.getPathSegments().get(1); 1248 if (cache != null) { 1249 c = cache.getCachedCursor(id, projection); 1250 } 1251 if (c == null) { 1252 CacheToken token = null; 1253 if (cache != null) { 1254 token = cache.getCacheToken(id); 1255 } 1256 c = db.query(tableName, projection, whereWithId(id, selection), 1257 selectionArgs, null, null, sortOrder, limit); 1258 if (cache != null) { 1259 c = cache.putCursor(c, id, projection, token); 1260 } 1261 } 1262 break; 1263 case ATTACHMENTS_MESSAGE_ID: 1264 // All attachments for the given message 1265 id = uri.getPathSegments().get(2); 1266 c = db.query(Attachment.TABLE_NAME, projection, 1267 whereWith(Attachment.MESSAGE_KEY + "=" + id, selection), 1268 selectionArgs, null, null, sortOrder, limit); 1269 break; 1270 case QUICK_RESPONSE_ACCOUNT_ID: 1271 // All quick responses for the given account 1272 id = uri.getPathSegments().get(2); 1273 c = db.query(QuickResponse.TABLE_NAME, projection, 1274 whereWith(QuickResponse.ACCOUNT_KEY + "=" + id, selection), 1275 selectionArgs, null, null, sortOrder); 1276 break; 1277 default: 1278 throw new IllegalArgumentException("Unknown URI " + uri); 1279 } 1280 } catch (SQLiteException e) { 1281 checkDatabases(); 1282 throw e; 1283 } catch (RuntimeException e) { 1284 checkDatabases(); 1285 e.printStackTrace(); 1286 throw e; 1287 } finally { 1288 if (cache != null && c != null && Email.DEBUG) { 1289 cache.recordQueryTime(c, System.nanoTime() - time); 1290 } 1291 if (c == null) { 1292 // This should never happen, but let's be sure to log it... 1293 Log.e(TAG, "Query returning null for uri: " + uri + ", selection: " + selection); 1294 } 1295 } 1296 1297 if ((c != null) && !isTemporary()) { 1298 c.setNotificationUri(getContext().getContentResolver(), uri); 1299 } 1300 return c; 1301 } 1302 1303 private String whereWithId(String id, String selection) { 1304 StringBuilder sb = new StringBuilder(256); 1305 sb.append("_id="); 1306 sb.append(id); 1307 if (selection != null) { 1308 sb.append(" AND ("); 1309 sb.append(selection); 1310 sb.append(')'); 1311 } 1312 return sb.toString(); 1313 } 1314 1315 /** 1316 * Combine a locally-generated selection with a user-provided selection 1317 * 1318 * This introduces risk that the local selection might insert incorrect chars 1319 * into the SQL, so use caution. 1320 * 1321 * @param where locally-generated selection, must not be null 1322 * @param selection user-provided selection, may be null 1323 * @return a single selection string 1324 */ 1325 private String whereWith(String where, String selection) { 1326 if (selection == null) { 1327 return where; 1328 } 1329 StringBuilder sb = new StringBuilder(where); 1330 sb.append(" AND ("); 1331 sb.append(selection); 1332 sb.append(')'); 1333 1334 return sb.toString(); 1335 } 1336 1337 /** 1338 * Restore a HostAuth from a database, given its unique id 1339 * @param db the database 1340 * @param id the unique id (_id) of the row 1341 * @return a fully populated HostAuth or null if the row does not exist 1342 */ 1343 private static HostAuth restoreHostAuth(SQLiteDatabase db, long id) { 1344 Cursor c = db.query(HostAuth.TABLE_NAME, HostAuth.CONTENT_PROJECTION, 1345 HostAuth.RECORD_ID + "=?", new String[] {Long.toString(id)}, null, null, null); 1346 try { 1347 if (c.moveToFirst()) { 1348 HostAuth hostAuth = new HostAuth(); 1349 hostAuth.restore(c); 1350 return hostAuth; 1351 } 1352 return null; 1353 } finally { 1354 c.close(); 1355 } 1356 } 1357 1358 /** 1359 * Copy the Account and HostAuth tables from one database to another 1360 * @param fromDatabase the source database 1361 * @param toDatabase the destination database 1362 * @return the number of accounts copied, or -1 if an error occurred 1363 */ 1364 private static int copyAccountTables(SQLiteDatabase fromDatabase, SQLiteDatabase toDatabase) { 1365 if (fromDatabase == null || toDatabase == null) return -1; 1366 int copyCount = 0; 1367 try { 1368 // Lock both databases; for the "from" database, we don't want anyone changing it from 1369 // under us; for the "to" database, we want to make the operation atomic 1370 fromDatabase.beginTransaction(); 1371 toDatabase.beginTransaction(); 1372 // Delete anything hanging around here 1373 toDatabase.delete(Account.TABLE_NAME, null, null); 1374 toDatabase.delete(HostAuth.TABLE_NAME, null, null); 1375 // Get our account cursor 1376 Cursor c = fromDatabase.query(Account.TABLE_NAME, Account.CONTENT_PROJECTION, 1377 null, null, null, null, null); 1378 boolean noErrors = true; 1379 try { 1380 // Loop through accounts, copying them and associated host auth's 1381 while (c.moveToNext()) { 1382 Account account = new Account(); 1383 account.restore(c); 1384 1385 // Clear security sync key and sync key, as these were specific to the state of 1386 // the account, and we've reset that... 1387 // Clear policy key so that we can re-establish policies from the server 1388 // TODO This is pretty EAS specific, but there's a lot of that around 1389 account.mSecuritySyncKey = null; 1390 account.mSyncKey = null; 1391 account.mPolicyKey = 0; 1392 1393 // Copy host auth's and update foreign keys 1394 HostAuth hostAuth = restoreHostAuth(fromDatabase, account.mHostAuthKeyRecv); 1395 // The account might have gone away, though very unlikely 1396 if (hostAuth == null) continue; 1397 account.mHostAuthKeyRecv = toDatabase.insert(HostAuth.TABLE_NAME, null, 1398 hostAuth.toContentValues()); 1399 // EAS accounts have no send HostAuth 1400 if (account.mHostAuthKeySend > 0) { 1401 hostAuth = restoreHostAuth(fromDatabase, account.mHostAuthKeySend); 1402 // Belt and suspenders; I can't imagine that this is possible, since we 1403 // checked the validity of the account above, and the database is now locked 1404 if (hostAuth == null) continue; 1405 account.mHostAuthKeySend = toDatabase.insert(HostAuth.TABLE_NAME, null, 1406 hostAuth.toContentValues()); 1407 } 1408 // Now, create the account in the "to" database 1409 toDatabase.insert(Account.TABLE_NAME, null, account.toContentValues()); 1410 copyCount++; 1411 } 1412 } catch (SQLiteException e) { 1413 noErrors = false; 1414 copyCount = -1; 1415 } finally { 1416 fromDatabase.endTransaction(); 1417 if (noErrors) { 1418 // Say it's ok to commit 1419 toDatabase.setTransactionSuccessful(); 1420 } 1421 toDatabase.endTransaction(); 1422 c.close(); 1423 } 1424 } catch (SQLiteException e) { 1425 copyCount = -1; 1426 } 1427 return copyCount; 1428 } 1429 1430 private static SQLiteDatabase getBackupDatabase(Context context) { 1431 DBHelper.DatabaseHelper helper = new DBHelper.DatabaseHelper(context, BACKUP_DATABASE_NAME); 1432 return helper.getWritableDatabase(); 1433 } 1434 1435 /** 1436 * Backup account data, returning the number of accounts backed up 1437 */ 1438 private static int backupAccounts(Context context, SQLiteDatabase mainDatabase) { 1439 if (Email.DEBUG) { 1440 Log.d(TAG, "backupAccounts..."); 1441 } 1442 SQLiteDatabase backupDatabase = getBackupDatabase(context); 1443 try { 1444 int numBackedUp = copyAccountTables(mainDatabase, backupDatabase); 1445 if (numBackedUp < 0) { 1446 Log.e(TAG, "Account backup failed!"); 1447 } else if (Email.DEBUG) { 1448 Log.d(TAG, "Backed up " + numBackedUp + " accounts..."); 1449 } 1450 return numBackedUp; 1451 } finally { 1452 if (backupDatabase != null) { 1453 backupDatabase.close(); 1454 } 1455 } 1456 } 1457 1458 /** 1459 * Restore account data, returning the number of accounts restored 1460 */ 1461 private static int restoreAccounts(Context context, SQLiteDatabase mainDatabase) { 1462 if (Email.DEBUG) { 1463 Log.d(TAG, "restoreAccounts..."); 1464 } 1465 SQLiteDatabase backupDatabase = getBackupDatabase(context); 1466 try { 1467 int numRecovered = copyAccountTables(backupDatabase, mainDatabase); 1468 if (numRecovered > 0) { 1469 Log.e(TAG, "Recovered " + numRecovered + " accounts!"); 1470 } else if (numRecovered < 0) { 1471 Log.e(TAG, "Account recovery failed?"); 1472 } else if (Email.DEBUG) { 1473 Log.d(TAG, "No accounts to restore..."); 1474 } 1475 return numRecovered; 1476 } finally { 1477 if (backupDatabase != null) { 1478 backupDatabase.close(); 1479 } 1480 } 1481 } 1482 1483 @Override 1484 public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { 1485 // Handle this special case the fastest possible way 1486 if (uri == INTEGRITY_CHECK_URI) { 1487 checkDatabases(); 1488 return 0; 1489 } else if (uri == ACCOUNT_BACKUP_URI) { 1490 return backupAccounts(getContext(), getDatabase(getContext())); 1491 } 1492 1493 // Notify all existing cursors, except for ACCOUNT_RESET_NEW_COUNT(_ID) 1494 Uri notificationUri = EmailContent.CONTENT_URI; 1495 1496 int match = findMatch(uri, "update"); 1497 Context context = getContext(); 1498 ContentResolver resolver = context.getContentResolver(); 1499 // See the comment at delete(), above 1500 SQLiteDatabase db = getDatabase(context); 1501 int table = match >> BASE_SHIFT; 1502 int result; 1503 1504 // We do NOT allow setting of unreadCount/messageCount via the provider 1505 // These columns are maintained via triggers 1506 if (match == MAILBOX_ID || match == MAILBOX) { 1507 values.remove(MailboxColumns.UNREAD_COUNT); 1508 values.remove(MailboxColumns.MESSAGE_COUNT); 1509 } 1510 1511 ContentCache cache = mContentCaches[table]; 1512 String tableName = TABLE_NAMES[table]; 1513 String id = "0"; 1514 1515 try { 1516 if (match == MESSAGE_ID || match == SYNCED_MESSAGE_ID) { 1517 if (!uri.getBooleanQueryParameter(IS_UIPROVIDER, false)) { 1518 notifyUIConversation(uri); 1519 } 1520 } 1521outer: 1522 switch (match) { 1523 case UI_UPDATEDRAFT: 1524 return uiUpdateDraft(uri, values); 1525 case UI_SENDDRAFT: 1526 return uiSendDraft(uri, values); 1527 case UI_MESSAGE: 1528 return uiUpdateMessage(uri, values); 1529 case MAILBOX_ID_ADD_TO_FIELD: 1530 case ACCOUNT_ID_ADD_TO_FIELD: 1531 id = uri.getPathSegments().get(1); 1532 String field = values.getAsString(EmailContent.FIELD_COLUMN_NAME); 1533 Long add = values.getAsLong(EmailContent.ADD_COLUMN_NAME); 1534 if (field == null || add == null) { 1535 throw new IllegalArgumentException("No field/add specified " + uri); 1536 } 1537 ContentValues actualValues = new ContentValues(); 1538 if (cache != null) { 1539 cache.lock(id); 1540 } 1541 try { 1542 db.beginTransaction(); 1543 try { 1544 Cursor c = db.query(tableName, 1545 new String[] {EmailContent.RECORD_ID, field}, 1546 whereWithId(id, selection), 1547 selectionArgs, null, null, null); 1548 try { 1549 result = 0; 1550 String[] bind = new String[1]; 1551 if (c.moveToNext()) { 1552 bind[0] = c.getString(0); // _id 1553 long value = c.getLong(1) + add; 1554 actualValues.put(field, value); 1555 result = db.update(tableName, actualValues, ID_EQUALS, bind); 1556 } 1557 db.setTransactionSuccessful(); 1558 } finally { 1559 c.close(); 1560 } 1561 } finally { 1562 db.endTransaction(); 1563 } 1564 } finally { 1565 if (cache != null) { 1566 cache.unlock(id, actualValues); 1567 } 1568 } 1569 break; 1570 case SYNCED_MESSAGE_ID: 1571 case UPDATED_MESSAGE_ID: 1572 case MESSAGE_ID: 1573 case BODY_ID: 1574 case ATTACHMENT_ID: 1575 case MAILBOX_ID: 1576 case ACCOUNT_ID: 1577 case HOSTAUTH_ID: 1578 case QUICK_RESPONSE_ID: 1579 case POLICY_ID: 1580 id = uri.getPathSegments().get(1); 1581 if (cache != null) { 1582 cache.lock(id); 1583 } 1584 try { 1585 if (match == SYNCED_MESSAGE_ID) { 1586 // For synced messages, first copy the old message to the updated table 1587 // Note the insert or ignore semantics, guaranteeing that only the first 1588 // update will be reflected in the updated message table; therefore this 1589 // row will always have the "original" data 1590 db.execSQL(UPDATED_MESSAGE_INSERT + id); 1591 } else if (match == MESSAGE_ID) { 1592 db.execSQL(UPDATED_MESSAGE_DELETE + id); 1593 } 1594 result = db.update(tableName, values, whereWithId(id, selection), 1595 selectionArgs); 1596 } catch (SQLiteException e) { 1597 // Null out values (so they aren't cached) and re-throw 1598 values = null; 1599 throw e; 1600 } finally { 1601 if (cache != null) { 1602 cache.unlock(id, values); 1603 } 1604 } 1605 if (match == ATTACHMENT_ID) { 1606 if (values.containsKey(Attachment.FLAGS)) { 1607 int flags = values.getAsInteger(Attachment.FLAGS); 1608 mAttachmentService.attachmentChanged(getContext(), 1609 Integer.parseInt(id), flags); 1610 } 1611 } else if (match == MAILBOX_ID && values.containsKey(Mailbox.UI_SYNC_STATUS)) { 1612 notifyUI(UIPROVIDER_MAILBOX_NOTIFIER, id); 1613 // TODO: Remove logging 1614 Log.d(TAG, "Notifying mailbox " + id + " status: " + 1615 values.getAsInteger(Mailbox.UI_SYNC_STATUS)); 1616 } else if (match == ACCOUNT_ID) { 1617 notifyUI(UIPROVIDER_ACCOUNT_NOTIFIER, id); 1618 } 1619 break; 1620 case BODY: 1621 case MESSAGE: 1622 case UPDATED_MESSAGE: 1623 case ATTACHMENT: 1624 case MAILBOX: 1625 case ACCOUNT: 1626 case HOSTAUTH: 1627 case POLICY: 1628 switch(match) { 1629 // To avoid invalidating the cache on updates, we execute them one at a 1630 // time using the XXX_ID uri; these are all executed atomically 1631 case ACCOUNT: 1632 case MAILBOX: 1633 case HOSTAUTH: 1634 case POLICY: 1635 Cursor c = db.query(tableName, EmailContent.ID_PROJECTION, 1636 selection, selectionArgs, null, null, null); 1637 db.beginTransaction(); 1638 result = 0; 1639 try { 1640 while (c.moveToNext()) { 1641 update(ContentUris.withAppendedId( 1642 uri, c.getLong(EmailContent.ID_PROJECTION_COLUMN)), 1643 values, null, null); 1644 result++; 1645 } 1646 db.setTransactionSuccessful(); 1647 } finally { 1648 db.endTransaction(); 1649 c.close(); 1650 } 1651 break outer; 1652 // Any cached table other than those above should be invalidated here 1653 case MESSAGE: 1654 // If we're doing some generic update, the whole cache needs to be 1655 // invalidated. This case should be quite rare 1656 cache.invalidate("Update", uri, selection); 1657 //$FALL-THROUGH$ 1658 default: 1659 result = db.update(tableName, values, selection, selectionArgs); 1660 break outer; 1661 } 1662 case ACCOUNT_RESET_NEW_COUNT_ID: 1663 id = uri.getPathSegments().get(1); 1664 if (cache != null) { 1665 cache.lock(id); 1666 } 1667 ContentValues newMessageCount = CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT; 1668 if (values != null) { 1669 Long set = values.getAsLong(EmailContent.SET_COLUMN_NAME); 1670 if (set != null) { 1671 newMessageCount = new ContentValues(); 1672 newMessageCount.put(Account.NEW_MESSAGE_COUNT, set); 1673 } 1674 } 1675 try { 1676 result = db.update(tableName, newMessageCount, 1677 whereWithId(id, selection), selectionArgs); 1678 } finally { 1679 if (cache != null) { 1680 cache.unlock(id, values); 1681 } 1682 } 1683 notificationUri = Account.CONTENT_URI; // Only notify account cursors. 1684 break; 1685 case ACCOUNT_RESET_NEW_COUNT: 1686 result = db.update(tableName, CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT, 1687 selection, selectionArgs); 1688 // Affects all accounts. Just invalidate all account cache. 1689 cache.invalidate("Reset all new counts", null, null); 1690 notificationUri = Account.CONTENT_URI; // Only notify account cursors. 1691 break; 1692 default: 1693 throw new IllegalArgumentException("Unknown URI " + uri); 1694 } 1695 } catch (SQLiteException e) { 1696 checkDatabases(); 1697 throw e; 1698 } 1699 1700 // Notify all notifier cursors 1701 sendNotifierChange(getBaseNotificationUri(match), NOTIFICATION_OP_UPDATE, id); 1702 1703 resolver.notifyChange(notificationUri, null); 1704 return result; 1705 } 1706 1707 /** 1708 * Returns the base notification URI for the given content type. 1709 * 1710 * @param match The type of content that was modified. 1711 */ 1712 private Uri getBaseNotificationUri(int match) { 1713 Uri baseUri = null; 1714 switch (match) { 1715 case MESSAGE: 1716 case MESSAGE_ID: 1717 case SYNCED_MESSAGE_ID: 1718 baseUri = Message.NOTIFIER_URI; 1719 break; 1720 case ACCOUNT: 1721 case ACCOUNT_ID: 1722 baseUri = Account.NOTIFIER_URI; 1723 break; 1724 } 1725 return baseUri; 1726 } 1727 1728 /** 1729 * Sends a change notification to any cursors observers of the given base URI. The final 1730 * notification URI is dynamically built to contain the specified information. It will be 1731 * of the format <<baseURI>>/<<op>>/<<id>>; where <<op>> and <<id>> are optional depending 1732 * upon the given values. 1733 * NOTE: If <<op>> is specified, notifications for <<baseURI>>/<<id>> will NOT be invoked. 1734 * If this is necessary, it can be added. However, due to the implementation of 1735 * {@link ContentObserver}, observers of <<baseURI>> will receive multiple notifications. 1736 * 1737 * @param baseUri The base URI to send notifications to. Must be able to take appended IDs. 1738 * @param op Optional operation to be appended to the URI. 1739 * @param id If a positive value, the ID to append to the base URI. Otherwise, no ID will be 1740 * appended to the base URI. 1741 */ 1742 private void sendNotifierChange(Uri baseUri, String op, String id) { 1743 if (baseUri == null) return; 1744 1745 final ContentResolver resolver = getContext().getContentResolver(); 1746 1747 // Append the operation, if specified 1748 if (op != null) { 1749 baseUri = baseUri.buildUpon().appendEncodedPath(op).build(); 1750 } 1751 1752 long longId = 0L; 1753 try { 1754 longId = Long.valueOf(id); 1755 } catch (NumberFormatException ignore) {} 1756 if (longId > 0) { 1757 resolver.notifyChange(ContentUris.withAppendedId(baseUri, longId), null); 1758 } else { 1759 resolver.notifyChange(baseUri, null); 1760 } 1761 1762 // We want to send the message list changed notification if baseUri is Message.NOTIFIER_URI. 1763 if (baseUri.equals(Message.NOTIFIER_URI)) { 1764 sendMessageListDataChangedNotification(); 1765 } 1766 } 1767 1768 private void sendMessageListDataChangedNotification() { 1769 final Context context = getContext(); 1770 final Intent intent = new Intent(ACTION_NOTIFY_MESSAGE_LIST_DATASET_CHANGED); 1771 // Ideally this intent would contain information about which account changed, to limit the 1772 // updates to that particular account. Unfortunately, that information is not available in 1773 // sendNotifierChange(). 1774 context.sendBroadcast(intent); 1775 } 1776 1777 @Override 1778 public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations) 1779 throws OperationApplicationException { 1780 Context context = getContext(); 1781 SQLiteDatabase db = getDatabase(context); 1782 db.beginTransaction(); 1783 try { 1784 ContentProviderResult[] results = super.applyBatch(operations); 1785 db.setTransactionSuccessful(); 1786 return results; 1787 } finally { 1788 db.endTransaction(); 1789 } 1790 } 1791 1792 /** 1793 * For testing purposes, check whether a given row is cached 1794 * @param baseUri the base uri of the EmailContent 1795 * @param id the row id of the EmailContent 1796 * @return whether or not the row is currently cached 1797 */ 1798 @VisibleForTesting 1799 protected boolean isCached(Uri baseUri, long id) { 1800 int match = findMatch(baseUri, "isCached"); 1801 int table = match >> BASE_SHIFT; 1802 ContentCache cache = mContentCaches[table]; 1803 if (cache == null) return false; 1804 Cursor cc = cache.get(Long.toString(id)); 1805 return (cc != null); 1806 } 1807 1808 public static interface AttachmentService { 1809 /** 1810 * Notify the service that an attachment has changed. 1811 */ 1812 void attachmentChanged(Context context, long id, int flags); 1813 } 1814 1815 private final AttachmentService DEFAULT_ATTACHMENT_SERVICE = new AttachmentService() { 1816 @Override 1817 public void attachmentChanged(Context context, long id, int flags) { 1818 // The default implementation delegates to the real service. 1819 AttachmentDownloadService.attachmentChanged(context, id, flags); 1820 } 1821 }; 1822 private AttachmentService mAttachmentService = DEFAULT_ATTACHMENT_SERVICE; 1823 1824 /** 1825 * Injects a custom attachment service handler. If null is specified, will reset to the 1826 * default service. 1827 */ 1828 public void injectAttachmentService(AttachmentService as) { 1829 mAttachmentService = (as == null) ? DEFAULT_ATTACHMENT_SERVICE : as; 1830 } 1831 1832 // SELECT DISTINCT Boxes._id, Boxes.unreadCount from Message, (SELECT _id, unreadCount, 1833 // messageCount, lastNotifiedMessageCount, lastNotifiedMessageKey 1834 // FROM Mailbox WHERE accountKey=6 AND syncInterval!=0 AND syncInterval!=-1) AS Boxes 1835 // WHERE Boxes.messageCount!=Boxes.lastNotifiedMessageCount 1836 // OR (Boxes._id=Message.mailboxKey AND Message._id>Boxes.lastNotifiedMessageKey) 1837 // TODO: This query can be simplified a bit 1838 private static final String NOTIFICATION_QUERY = 1839 "SELECT DISTINCT Boxes." + MailboxColumns.ID + ", Boxes." + MailboxColumns.UNREAD_COUNT + 1840 ", Boxes." + MailboxColumns.MESSAGE_COUNT + 1841 " FROM " + 1842 Message.TABLE_NAME + "," + 1843 "(SELECT " + MailboxColumns.ID + "," + MailboxColumns.UNREAD_COUNT + "," + 1844 MailboxColumns.MESSAGE_COUNT + "," + MailboxColumns.LAST_NOTIFIED_MESSAGE_COUNT + 1845 "," + MailboxColumns.LAST_NOTIFIED_MESSAGE_KEY + " FROM " + Mailbox.TABLE_NAME + 1846 " WHERE " + MailboxColumns.ACCOUNT_KEY + "=?" + 1847 " AND " + MailboxColumns.SYNC_INTERVAL + "!=0 AND " + 1848 MailboxColumns.SYNC_INTERVAL + "!=-1) AS Boxes " + 1849 "WHERE Boxes." + MailboxColumns.MESSAGE_COUNT + "!=Boxes." + 1850 MailboxColumns.LAST_NOTIFIED_MESSAGE_COUNT + 1851 " OR (Boxes." + MailboxColumns.ID + '=' + Message.TABLE_NAME + "." + 1852 MessageColumns.MAILBOX_KEY + " AND " + Message.TABLE_NAME + "." + 1853 MessageColumns.ID + ">Boxes." + MailboxColumns.LAST_NOTIFIED_MESSAGE_KEY + 1854 " AND " + MessageColumns.FLAG_READ + "=0)"; 1855 1856 public Cursor notificationQuery(Uri uri) { 1857 SQLiteDatabase db = getDatabase(getContext()); 1858 String accountId = uri.getLastPathSegment(); 1859 return db.rawQuery(NOTIFICATION_QUERY, new String[] {accountId}); 1860 } 1861 1862 public Cursor mostRecentMessageQuery(Uri uri) { 1863 SQLiteDatabase db = getDatabase(getContext()); 1864 String mailboxId = uri.getLastPathSegment(); 1865 return db.rawQuery("select max(_id) from Message where mailboxKey=?", 1866 new String[] {mailboxId}); 1867 } 1868 1869 /** 1870 * Support for UnifiedEmail below 1871 */ 1872 1873 private static final String NOT_A_DRAFT_STRING = 1874 Integer.toString(UIProvider.DraftType.NOT_A_DRAFT); 1875 1876 /** 1877 * Mapping of UIProvider columns to EmailProvider columns for the message list (called the 1878 * conversation list in UnifiedEmail) 1879 */ 1880 private static final ProjectionMap sMessageListMap = ProjectionMap.builder() 1881 .add(BaseColumns._ID, MessageColumns.ID) 1882 .add(UIProvider.ConversationColumns.URI, uriWithId("uimessage")) 1883 .add(UIProvider.ConversationColumns.MESSAGE_LIST_URI, uriWithId("uimessage")) 1884 .add(UIProvider.ConversationColumns.SUBJECT, MessageColumns.SUBJECT) 1885 .add(UIProvider.ConversationColumns.SNIPPET, MessageColumns.SNIPPET) 1886 .add(UIProvider.ConversationColumns.SENDER_INFO, MessageColumns.FROM_LIST) 1887 .add(UIProvider.ConversationColumns.DATE_RECEIVED_MS, MessageColumns.TIMESTAMP) 1888 .add(UIProvider.ConversationColumns.HAS_ATTACHMENTS, MessageColumns.FLAG_ATTACHMENT) 1889 .add(UIProvider.ConversationColumns.NUM_MESSAGES, "1") 1890 .add(UIProvider.ConversationColumns.NUM_DRAFTS, "0") 1891 .add(UIProvider.ConversationColumns.SENDING_STATE, 1892 Integer.toString(ConversationSendingState.OTHER)) 1893 .add(UIProvider.ConversationColumns.PRIORITY, Integer.toString(ConversationPriority.LOW)) 1894 .add(UIProvider.ConversationColumns.READ, MessageColumns.FLAG_READ) 1895 .add(UIProvider.ConversationColumns.STARRED, MessageColumns.FLAG_FAVORITE) 1896 .add(UIProvider.ConversationColumns.FOLDER_LIST, MessageColumns.MAILBOX_KEY) 1897 .build(); 1898 1899 /** 1900 * Mapping of UIProvider columns to EmailProvider columns for a detailed message view in 1901 * UnifiedEmail 1902 */ 1903 private static final ProjectionMap sMessageViewMap = ProjectionMap.builder() 1904 .add(BaseColumns._ID, Message.TABLE_NAME + "." + EmailContent.MessageColumns.ID) 1905 .add(UIProvider.MessageColumns.SERVER_ID, SyncColumns.SERVER_ID) 1906 .add(UIProvider.MessageColumns.URI, uriWithFQId("uimessage", Message.TABLE_NAME)) 1907 .add(UIProvider.MessageColumns.CONVERSATION_ID, 1908 uriWithFQId("uimessage", Message.TABLE_NAME)) 1909 .add(UIProvider.MessageColumns.SUBJECT, EmailContent.MessageColumns.SUBJECT) 1910 .add(UIProvider.MessageColumns.SNIPPET, EmailContent.MessageColumns.SNIPPET) 1911 .add(UIProvider.MessageColumns.FROM, EmailContent.MessageColumns.FROM_LIST) 1912 .add(UIProvider.MessageColumns.TO, EmailContent.MessageColumns.TO_LIST) 1913 .add(UIProvider.MessageColumns.CC, EmailContent.MessageColumns.CC_LIST) 1914 .add(UIProvider.MessageColumns.BCC, EmailContent.MessageColumns.BCC_LIST) 1915 .add(UIProvider.MessageColumns.REPLY_TO, EmailContent.MessageColumns.REPLY_TO_LIST) 1916 .add(UIProvider.MessageColumns.DATE_RECEIVED_MS, EmailContent.MessageColumns.TIMESTAMP) 1917 .add(UIProvider.MessageColumns.BODY_HTML, Body.HTML_CONTENT) 1918 .add(UIProvider.MessageColumns.BODY_TEXT, Body.TEXT_CONTENT) 1919 .add(UIProvider.MessageColumns.EMBEDS_EXTERNAL_RESOURCES, "0") 1920 .add(UIProvider.MessageColumns.REF_MESSAGE_ID, "0") 1921 .add(UIProvider.MessageColumns.DRAFT_TYPE, NOT_A_DRAFT_STRING) 1922 .add(UIProvider.MessageColumns.APPEND_REF_MESSAGE_CONTENT, "0") 1923 .add(UIProvider.MessageColumns.HAS_ATTACHMENTS, EmailContent.MessageColumns.FLAG_ATTACHMENT) 1924 .add(UIProvider.MessageColumns.ATTACHMENT_LIST_URI, 1925 uriWithFQId("uiattachments", Message.TABLE_NAME)) 1926 .add(UIProvider.MessageColumns.MESSAGE_FLAGS, "0") 1927 .add(UIProvider.MessageColumns.SAVE_MESSAGE_URI, 1928 uriWithFQId("uiupdatedraft", Message.TABLE_NAME)) 1929 .add(UIProvider.MessageColumns.SEND_MESSAGE_URI, 1930 uriWithFQId("uisenddraft", Message.TABLE_NAME)) 1931 // TODO(pwestbro): make this actually return valid results. 1932 .add(UIProvider.MessageColumns.ALWAYS_SHOW_IMAGES, "0") 1933 .build(); 1934 1935 /** 1936 * Mapping of UIProvider columns to EmailProvider columns for the folder list in UnifiedEmail 1937 */ 1938 private static String getFolderCapabilities() { 1939 return "CASE WHEN (" + MailboxColumns.FLAGS + "&" + Mailbox.FLAG_ACCEPTS_MOVED_MAIL + 1940 ") !=0 THEN " + UIProvider.FolderCapabilities.CAN_ACCEPT_MOVED_MESSAGES + 1941 " ELSE 0 END"; 1942 } 1943 1944 private static final ProjectionMap sFolderListMap = ProjectionMap.builder() 1945 .add(BaseColumns._ID, MailboxColumns.ID) 1946 .add(UIProvider.FolderColumns.URI, uriWithId("uifolder")) 1947 .add(UIProvider.FolderColumns.NAME, "displayName") 1948 .add(UIProvider.FolderColumns.HAS_CHILDREN, 1949 MailboxColumns.FLAGS + "&" + Mailbox.FLAG_HAS_CHILDREN) 1950 .add(UIProvider.FolderColumns.CAPABILITIES, getFolderCapabilities()) 1951 .add(UIProvider.FolderColumns.SYNC_WINDOW, "3") 1952 .add(UIProvider.FolderColumns.CONVERSATION_LIST_URI, uriWithId("uimessages")) 1953 .add(UIProvider.FolderColumns.CHILD_FOLDERS_LIST_URI, uriWithId("uisubfolders")) 1954 .add(UIProvider.FolderColumns.UNREAD_COUNT, MailboxColumns.UNREAD_COUNT) 1955 .add(UIProvider.FolderColumns.TOTAL_COUNT, MailboxColumns.MESSAGE_COUNT) 1956 .add(UIProvider.FolderColumns.REFRESH_URI, uriWithId("uirefresh")) 1957 .add(UIProvider.FolderColumns.SYNC_STATUS, MailboxColumns.UI_SYNC_STATUS) 1958 .add(UIProvider.FolderColumns.LAST_SYNC_RESULT, MailboxColumns.UI_LAST_SYNC_RESULT) 1959 .build(); 1960 1961 private static final ProjectionMap sAccountListMap = ProjectionMap.builder() 1962 .add(BaseColumns._ID, AccountColumns.ID) 1963 .add(UIProvider.AccountColumns.FOLDER_LIST_URI, uriWithId("uifolders")) 1964 .add(UIProvider.AccountColumns.NAME, AccountColumns.DISPLAY_NAME) 1965 .add(UIProvider.AccountColumns.SAVE_DRAFT_URI, uriWithId("uisavedraft")) 1966 .add(UIProvider.AccountColumns.SEND_MAIL_URI, uriWithId("uisendmail")) 1967 .add(UIProvider.AccountColumns.UNDO_URI, uriWithId("uiundo")) 1968 .add(UIProvider.AccountColumns.URI, uriWithId("uiaccount")) 1969 .add(UIProvider.AccountColumns.SETTINGS_QUERY_URI, uriWithId("uisettings")) 1970 // TODO: Is this used? 1971 .add(UIProvider.AccountColumns.PROVIDER_VERSION, "1") 1972 .add(UIProvider.AccountColumns.SYNC_STATUS, "0") 1973 .build(); 1974 1975 /** 1976 * The "ORDER BY" clause for top level folders 1977 */ 1978 private static final String MAILBOX_ORDER_BY = "CASE " + MailboxColumns.TYPE 1979 + " WHEN " + Mailbox.TYPE_INBOX + " THEN 0" 1980 + " WHEN " + Mailbox.TYPE_DRAFTS + " THEN 1" 1981 + " WHEN " + Mailbox.TYPE_OUTBOX + " THEN 2" 1982 + " WHEN " + Mailbox.TYPE_SENT + " THEN 3" 1983 + " WHEN " + Mailbox.TYPE_TRASH + " THEN 4" 1984 + " WHEN " + Mailbox.TYPE_JUNK + " THEN 5" 1985 // Other mailboxes (i.e. of Mailbox.TYPE_MAIL) are shown in alphabetical order. 1986 + " ELSE 10 END" 1987 + " ," + MailboxColumns.DISPLAY_NAME + " COLLATE LOCALIZED ASC"; 1988 1989 1990 /** 1991 * Mapping of UIProvider columns to EmailProvider columns for the message list (called the 1992 * conversation list in UnifiedEmail) 1993 */ 1994 private static final ProjectionMap sAccountSettingsMap = ProjectionMap.builder() 1995 .add(UIProvider.SettingsColumns.SIGNATURE, AccountColumns.SIGNATURE) 1996 .add(UIProvider.SettingsColumns.AUTO_ADVANCE, 1997 Integer.toString(UIProvider.AutoAdvance.NEWER)) 1998 .add(UIProvider.SettingsColumns.MESSAGE_TEXT_SIZE, 1999 Integer.toString(UIProvider.MessageTextSize.NORMAL)) 2000 .add(UIProvider.SettingsColumns.SNAP_HEADERS, 2001 Integer.toString(UIProvider.SnapHeaderValue.ALWAYS)) 2002 .add(UIProvider.SettingsColumns.REPLY_BEHAVIOR, 2003 Integer.toString(UIProvider.DefaultReplyBehavior.REPLY)) 2004 .add(UIProvider.SettingsColumns.HIDE_CHECKBOXES, "0") 2005 .add(UIProvider.SettingsColumns.CONFIRM_DELETE, "0") 2006 .add(UIProvider.SettingsColumns.CONFIRM_ARCHIVE, "0") 2007 .add(UIProvider.SettingsColumns.CONFIRM_SEND, "0") 2008 .build(); 2009 2010 /** 2011 * Mapping of UIProvider columns to EmailProvider columns for a message's attachments 2012 */ 2013 private static final ProjectionMap sAttachmentMap = ProjectionMap.builder() 2014 .add(UIProvider.AttachmentColumns.NAME, AttachmentColumns.FILENAME) 2015 .add(UIProvider.AttachmentColumns.SIZE, AttachmentColumns.SIZE) 2016 .add(UIProvider.AttachmentColumns.URI, uriWithId("uiattachment")) 2017 .add(UIProvider.AttachmentColumns.CONTENT_TYPE, AttachmentColumns.MIME_TYPE) 2018 // TODO: What does SYNCED mean? 2019 .add(UIProvider.AttachmentColumns.SYNCED, "0") 2020 .build(); 2021 2022 /** 2023 * Generate the SELECT clause using a specified mapping and the original UI projection 2024 * @param map the ProjectionMap to use for this projection 2025 * @param projection the projection as sent by UnifiedEmail 2026 * @param values ContentValues to be used if the ProjectionMap entry is null 2027 * @return a StringBuilder containing the SELECT expression for a SQLite query 2028 */ 2029 private StringBuilder genSelect(ProjectionMap map, String[] projection) { 2030 return genSelect(map, projection, EMPTY_CONTENT_VALUES); 2031 } 2032 2033 private StringBuilder genSelect(ProjectionMap map, String[] projection, ContentValues values) { 2034 StringBuilder sb = new StringBuilder("SELECT "); 2035 boolean first = true; 2036 for (String column: projection) { 2037 if (first) { 2038 first = false; 2039 } else { 2040 sb.append(','); 2041 } 2042 String val = map.get(column); 2043 // If we don't have the column, be permissive, returning "0 AS <column>", and warn 2044 if (val == null) { 2045 if (values.containsKey(column)) { 2046 val = "'" + values.getAsString(column) + "' AS " + column; 2047 } else { 2048 Log.w(TAG, "UIProvider column not found, returning 0: " + column); 2049 val = "NULL AS " + column; 2050 } 2051 } 2052 sb.append(val); 2053 } 2054 return sb; 2055 } 2056 2057 /** 2058 * Convenience method to create a Uri string given the "type" of query; we append the type 2059 * of the query and the id column name (_id) 2060 * 2061 * @param type the "type" of the query, as defined by our UriMatcher definitions 2062 * @return a Uri string 2063 */ 2064 private static String uriWithId(String type) { 2065 return "'content://" + EmailContent.AUTHORITY + "/" + type + "/' || _id"; 2066 } 2067 2068 /** 2069 * Convenience method to create a Uri string given the "type" of query and the table name to 2070 * which it applies; we append the type of the query and the fully qualified (FQ) id column 2071 * (i.e. including the table name); we need this for join queries where _id would otherwise 2072 * be ambiguous 2073 * 2074 * @param type the "type" of the query, as defined by our UriMatcher definitions 2075 * @param tableName the name of the table whose _id is referred to 2076 * @return a Uri string 2077 */ 2078 private static String uriWithFQId(String type, String tableName) { 2079 return "'content://" + EmailContent.AUTHORITY + "/" + type + "/' || " + tableName + "._id"; 2080 } 2081 2082 /** 2083 * Generate the "view message" SQLite query, given a projection from UnifiedEmail 2084 * 2085 * @param uiProjection as passed from UnifiedEmail 2086 * @return the SQLite query to be executed on the EmailProvider database 2087 */ 2088 private String genQueryViewMessage(String[] uiProjection) { 2089 StringBuilder sb = genSelect(sMessageViewMap, uiProjection); 2090 sb.append(" FROM " + Message.TABLE_NAME + "," + Body.TABLE_NAME + " WHERE " + 2091 Body.MESSAGE_KEY + "=" + Message.TABLE_NAME + "." + Message.RECORD_ID + " AND " + 2092 Message.TABLE_NAME + "." + Message.RECORD_ID + "=?"); 2093 return sb.toString(); 2094 } 2095 2096 /** 2097 * Generate the "message list" SQLite query, given a projection from UnifiedEmail 2098 * 2099 * @param uiProjection as passed from UnifiedEmail 2100 * @return the SQLite query to be executed on the EmailProvider database 2101 */ 2102 private String genQueryMailboxMessages(String[] uiProjection) { 2103 StringBuilder sb = genSelect(sMessageListMap, uiProjection); 2104 // Make constant 2105 sb.append(" FROM " + Message.TABLE_NAME + " WHERE " + Message.MAILBOX_KEY + "=? ORDER BY " + 2106 MessageColumns.TIMESTAMP + " DESC"); 2107 return sb.toString(); 2108 } 2109 2110 /** 2111 * Generate the "top level folder list" SQLite query, given a projection from UnifiedEmail 2112 * 2113 * @param uiProjection as passed from UnifiedEmail 2114 * @return the SQLite query to be executed on the EmailProvider database 2115 */ 2116 private String genQueryAccountMailboxes(String[] uiProjection) { 2117 StringBuilder sb = genSelect(sFolderListMap, uiProjection); 2118 // Make constant 2119 sb.append(" FROM " + Mailbox.TABLE_NAME + " WHERE " + MailboxColumns.ACCOUNT_KEY + 2120 "=? AND " + MailboxColumns.TYPE + " < " + Mailbox.TYPE_NOT_EMAIL + 2121 " AND " + MailboxColumns.PARENT_KEY + " < 0 ORDER BY "); 2122 sb.append(MAILBOX_ORDER_BY); 2123 return sb.toString(); 2124 } 2125 2126 /** 2127 * Generate a "single mailbox" SQLite query, given a projection from UnifiedEmail 2128 * 2129 * @param uiProjection as passed from UnifiedEmail 2130 * @return the SQLite query to be executed on the EmailProvider database 2131 */ 2132 private String genQueryMailbox(String[] uiProjection) { 2133 StringBuilder sb = genSelect(sFolderListMap, uiProjection); 2134 sb.append(" FROM " + Mailbox.TABLE_NAME + " WHERE " + MailboxColumns.ID + "=?"); 2135 return sb.toString(); 2136 } 2137 2138 private static final long IMAP_CAPABILITIES = 2139 AccountCapabilities.SYNCABLE_FOLDERS | 2140 AccountCapabilities.FOLDER_SERVER_SEARCH | 2141 AccountCapabilities.UNDO; 2142 2143 private static final long POP3_CAPABILITIES = 0; 2144 2145 private static final long EAS_12_CAPABILITIES = 2146 AccountCapabilities.SYNCABLE_FOLDERS | 2147 AccountCapabilities.FOLDER_SERVER_SEARCH | 2148 AccountCapabilities.SANITIZED_HTML | 2149 AccountCapabilities.SMART_REPLY | 2150 AccountCapabilities.SERVER_SEARCH | 2151 AccountCapabilities.UNDO; 2152 2153 private static final long EAS_2_CAPABILITIES = 2154 AccountCapabilities.SYNCABLE_FOLDERS | 2155 AccountCapabilities.SANITIZED_HTML | 2156 AccountCapabilities.SMART_REPLY | 2157 AccountCapabilities.UNDO; 2158 2159 private static final Uri BASE_EXTERNAL_URI = Uri.parse("content://ui.email.android.com"); 2160 2161 private static String getExternalUriString(String segment, String account) { 2162 return BASE_EXTERNAL_URI.buildUpon().appendPath(segment) 2163 .appendQueryParameter("account", account).build().toString(); 2164 } 2165 2166 /** 2167 * Generate a "single account" SQLite query, given a projection from UnifiedEmail 2168 * 2169 * @param uiProjection as passed from UnifiedEmail 2170 * @return the SQLite query to be executed on the EmailProvider database 2171 */ 2172 // TODO: Get protocol specific stuff out of here (it should be in the account) 2173 private String genQueryAccount(String[] uiProjection, String id) { 2174 ContentValues values = new ContentValues(); 2175 long accountId = Long.parseLong(id); 2176 String protocol = Account.getProtocol(getContext(), accountId); 2177 if (HostAuth.SCHEME_IMAP.equals(protocol)) { 2178 values.put(UIProvider.AccountColumns.CAPABILITIES, IMAP_CAPABILITIES); 2179 } else if (HostAuth.SCHEME_POP3.equals(protocol)) { 2180 values.put(UIProvider.AccountColumns.CAPABILITIES, POP3_CAPABILITIES); 2181 } else { 2182 Account account = Account.restoreAccountWithId(getContext(), accountId); 2183 String easVersion = account.mProtocolVersion; 2184 Double easVersionDouble = 2.5D; 2185 if (easVersion != null) { 2186 try { 2187 easVersionDouble = Double.parseDouble(easVersion); 2188 } catch (NumberFormatException e) { 2189 // Stick with 2.5 2190 } 2191 } 2192 if (easVersionDouble >= 12.0D) { 2193 values.put(UIProvider.AccountColumns.CAPABILITIES, EAS_12_CAPABILITIES); 2194 } else { 2195 values.put(UIProvider.AccountColumns.CAPABILITIES, EAS_2_CAPABILITIES); 2196 } 2197 } 2198 values.put(UIProvider.AccountColumns.SETTINGS_INTENT_URI, 2199 getExternalUriString("settings", id)); 2200 values.put(UIProvider.AccountColumns.COMPOSE_URI, 2201 getExternalUriString("compose", id)); 2202 StringBuilder sb = genSelect(sAccountListMap, uiProjection, values); 2203 sb.append(" FROM " + Account.TABLE_NAME + " WHERE " + AccountColumns.ID + "=?"); 2204 return sb.toString(); 2205 } 2206 2207 /** 2208 * Generate an "account settings" SQLite query, given a projection from UnifiedEmail 2209 * 2210 * @param uiProjection as passed from UnifiedEmail 2211 * @return the SQLite query to be executed on the EmailProvider database 2212 */ 2213 private String genQuerySettings(String[] uiProjection, String id) { 2214 ContentValues values = new ContentValues(); 2215 long accountId = Long.parseLong(id); 2216 long mailboxId = Mailbox.findMailboxOfType(getContext(), accountId, Mailbox.TYPE_INBOX); 2217 if (mailboxId != Mailbox.NO_MAILBOX) { 2218 values.put(UIProvider.SettingsColumns.DEFAULT_INBOX, 2219 "content://" + EmailContent.AUTHORITY + "/uifolder/" + mailboxId); 2220 } 2221 StringBuilder sb = genSelect(sAccountSettingsMap, uiProjection, values); 2222 sb.append(" FROM " + Account.TABLE_NAME + " WHERE " + AccountColumns.ID + "=?"); 2223 return sb.toString(); 2224 } 2225 2226 private Cursor uiAccounts(String[] uiProjection) { 2227 Context context = getContext(); 2228 SQLiteDatabase db = getDatabase(context); 2229 Cursor accountIdCursor = 2230 db.rawQuery("select _id from " + Account.TABLE_NAME, new String[0]); 2231 MatrixCursor mc = new MatrixCursor(uiProjection, accountIdCursor.getCount()); 2232 Object[] values = new Object[uiProjection.length]; 2233 try { 2234 while (accountIdCursor.moveToNext()) { 2235 String id = accountIdCursor.getString(0); 2236 Cursor accountCursor = 2237 db.rawQuery(genQueryAccount(uiProjection, id), new String[] {id}); 2238 if (accountCursor.moveToNext()) { 2239 for (int i = 0; i < uiProjection.length; i++) { 2240 values[i] = accountCursor.getString(i); 2241 } 2242 mc.addRow(values); 2243 } 2244 accountCursor.close(); 2245 } 2246 } finally { 2247 accountIdCursor.close(); 2248 } 2249 return mc; 2250 } 2251 2252 /** 2253 * Generate the "attachment list" SQLite query, given a projection from UnifiedEmail 2254 * 2255 * @param uiProjection as passed from UnifiedEmail 2256 * @return the SQLite query to be executed on the EmailProvider database 2257 */ 2258 private String genQueryAttachments(String[] uiProjection) { 2259 StringBuilder sb = genSelect(sAttachmentMap, uiProjection); 2260 sb.append(" FROM " + Attachment.TABLE_NAME + " WHERE " + AttachmentColumns.MESSAGE_KEY + 2261 " =? "); 2262 return sb.toString(); 2263 } 2264 2265 /** 2266 * Generate the "single attachment" SQLite query, given a projection from UnifiedEmail 2267 * 2268 * @param uiProjection as passed from UnifiedEmail 2269 * @return the SQLite query to be executed on the EmailProvider database 2270 */ 2271 private String genQueryAttachment(String[] uiProjection) { 2272 StringBuilder sb = genSelect(sAttachmentMap, uiProjection); 2273 sb.append(" FROM " + Attachment.TABLE_NAME + " WHERE " + AttachmentColumns.ID + " =? "); 2274 return sb.toString(); 2275 } 2276 2277 /** 2278 * Generate the "subfolder list" SQLite query, given a projection from UnifiedEmail 2279 * 2280 * @param uiProjection as passed from UnifiedEmail 2281 * @return the SQLite query to be executed on the EmailProvider database 2282 */ 2283 private String genQuerySubfolders(String[] uiProjection) { 2284 StringBuilder sb = genSelect(sFolderListMap, uiProjection); 2285 sb.append(" FROM " + Mailbox.TABLE_NAME + " WHERE " + MailboxColumns.PARENT_KEY + 2286 " =? ORDER BY "); 2287 sb.append(MAILBOX_ORDER_BY); 2288 return sb.toString(); 2289 } 2290 2291 /** 2292 * Handle UnifiedEmail queries here (dispatched from query()) 2293 * 2294 * @param match the UriMatcher match for the original uri passed in from UnifiedEmail 2295 * @param uri the original uri passed in from UnifiedEmail 2296 * @param uiProjection the projection passed in from UnifiedEmail 2297 * @return the result Cursor 2298 */ 2299 private Cursor uiQuery(int match, Uri uri, String[] uiProjection) { 2300 Context context = getContext(); 2301 ContentResolver resolver = context.getContentResolver(); 2302 SQLiteDatabase db = getDatabase(context); 2303 // Should we ever return null, or throw an exception?? 2304 Cursor c = null; 2305 String id = uri.getPathSegments().get(1); 2306 Uri notifyUri = null; 2307 switch(match) { 2308 case UI_FOLDERS: 2309 c = db.rawQuery(genQueryAccountMailboxes(uiProjection), new String[] {id}); 2310 break; 2311 case UI_SUBFOLDERS: 2312 c = db.rawQuery(genQuerySubfolders(uiProjection), new String[] {id}); 2313 break; 2314 case UI_MESSAGES: 2315 c = db.rawQuery(genQueryMailboxMessages(uiProjection), new String[] {id}); 2316 notifyUri = UIPROVIDER_CONVERSATION_NOTIFIER.buildUpon().appendPath(id).build(); 2317 break; 2318 case UI_MESSAGE: 2319 c = db.rawQuery(genQueryViewMessage(uiProjection), new String[] {id}); 2320 break; 2321 case UI_ATTACHMENTS: 2322 c = db.rawQuery(genQueryAttachments(uiProjection), new String[] {id}); 2323 break; 2324 case UI_ATTACHMENT: 2325 c = db.rawQuery(genQueryAttachment(uiProjection), new String[] {id}); 2326 notifyUri = UIPROVIDER_ATTACHMENT_NOTIFIER.buildUpon().appendPath(id).build(); 2327 break; 2328 case UI_FOLDER: 2329 c = db.rawQuery(genQueryMailbox(uiProjection), new String[] {id}); 2330 notifyUri = UIPROVIDER_MAILBOX_NOTIFIER.buildUpon().appendPath(id).build(); 2331 break; 2332 case UI_ACCOUNT: 2333 c = db.rawQuery(genQueryAccount(uiProjection, id), new String[] {id}); 2334 notifyUri = UIPROVIDER_ACCOUNT_NOTIFIER.buildUpon().appendPath(id).build(); 2335 break; 2336 case UI_SETTINGS: 2337 c = db.rawQuery(genQuerySettings(uiProjection, id), new String[] {id}); 2338 notifyUri = UIPROVIDER_SETTINGS_NOTIFIER.buildUpon().appendPath(id).build(); 2339 break; 2340 } 2341 if (notifyUri != null) { 2342 c.setNotificationUri(resolver, notifyUri); 2343 } 2344 return c; 2345 } 2346 2347 /** 2348 * Convert a UIProvider attachment to an EmailProvider attachment (for sending); we only need 2349 * a few of the fields 2350 * @param uiAtt the UIProvider attachment to convert 2351 * @return the EmailProvider attachment 2352 */ 2353 private Attachment convertUiAttachmentToAttachment( 2354 com.android.mail.providers.Attachment uiAtt) { 2355 Attachment att = new Attachment(); 2356 att.mContentUri = uiAtt.contentUri; 2357 att.mFileName = uiAtt.name; 2358 att.mMimeType = uiAtt.mimeType; 2359 att.mSize = uiAtt.size; 2360 return att; 2361 } 2362 2363 /** 2364 * Create a mailbox given the account and mailboxType. 2365 */ 2366 private Mailbox createMailbox(long accountId, int mailboxType) { 2367 Context context = getContext(); 2368 int resId = -1; 2369 switch (mailboxType) { 2370 case Mailbox.TYPE_INBOX: 2371 resId = R.string.mailbox_name_server_inbox; 2372 break; 2373 case Mailbox.TYPE_OUTBOX: 2374 resId = R.string.mailbox_name_server_outbox; 2375 break; 2376 case Mailbox.TYPE_DRAFTS: 2377 resId = R.string.mailbox_name_server_drafts; 2378 break; 2379 case Mailbox.TYPE_TRASH: 2380 resId = R.string.mailbox_name_server_trash; 2381 break; 2382 case Mailbox.TYPE_SENT: 2383 resId = R.string.mailbox_name_server_sent; 2384 break; 2385 case Mailbox.TYPE_JUNK: 2386 resId = R.string.mailbox_name_server_junk; 2387 break; 2388 default: 2389 throw new IllegalArgumentException("Illegal mailbox type"); 2390 } 2391 Log.d(TAG, "Creating mailbox of type " + mailboxType + " for account " + accountId); 2392 Mailbox box = Mailbox.newSystemMailbox(accountId, mailboxType, context.getString(resId)); 2393 box.save(context); 2394 return box; 2395 } 2396 2397 /** 2398 * Given an account name and a mailbox type, return that mailbox, creating it if necessary 2399 * @param accountName the account name to use 2400 * @param mailboxType the type of mailbox we're trying to find 2401 * @return the mailbox of the given type for the account in the uri, or null if not found 2402 */ 2403 private Mailbox getMailboxByAccountIdAndType(String accountId, int mailboxType) { 2404 long id = Long.parseLong(accountId); 2405 Mailbox mailbox = Mailbox.restoreMailboxOfType(getContext(), id, mailboxType); 2406 if (mailbox == null) { 2407 mailbox = createMailbox(id, mailboxType); 2408 } 2409 return mailbox; 2410 } 2411 2412 private Message getMessageFromPathSegments(List<String> pathSegments) { 2413 Message msg = null; 2414 if (pathSegments.size() > 2) { 2415 msg = Message.restoreMessageWithId(getContext(), Long.parseLong(pathSegments.get(2))); 2416 } 2417 if (msg == null) { 2418 msg = new Message(); 2419 } 2420 return msg; 2421 } 2422 /** 2423 * Given a mailbox and the content values for a message, create/save the message in the mailbox 2424 * @param mailbox the mailbox to use 2425 * @param values the content values that represent message fields 2426 * @return the uri of the newly created message 2427 */ 2428 private Uri uiSaveMessage(Message msg, Mailbox mailbox, ContentValues values) { 2429 Context context = getContext(); 2430 // Fill in the message 2431 msg.mTo = values.getAsString(UIProvider.MessageColumns.TO); 2432 msg.mCc = values.getAsString(UIProvider.MessageColumns.CC); 2433 msg.mBcc = values.getAsString(UIProvider.MessageColumns.BCC); 2434 msg.mSubject = values.getAsString(UIProvider.MessageColumns.SUBJECT); 2435 msg.mText = values.getAsString(UIProvider.MessageColumns.BODY_TEXT); 2436 msg.mHtml = values.getAsString(UIProvider.MessageColumns.BODY_HTML); 2437 msg.mMailboxKey = mailbox.mId; 2438 msg.mAccountKey = mailbox.mAccountKey; 2439 msg.mDisplayName = msg.mTo; 2440 msg.mFlagLoaded = Message.FLAG_LOADED_COMPLETE; 2441 // Get attachments from the ContentValues 2442 ArrayList<com.android.mail.providers.Attachment> uiAtts = 2443 com.android.mail.providers.Attachment.getAttachmentsFromJoinedAttachmentInfo( 2444 values.getAsString(UIProvider.MessageColumns.JOINED_ATTACHMENT_INFOS)); 2445 ArrayList<Attachment> atts = new ArrayList<Attachment>(); 2446 for (com.android.mail.providers.Attachment uiAtt: uiAtts) { 2447 // Convert to our attachments and add to the list; everything else should "just work" 2448 atts.add(convertUiAttachmentToAttachment(uiAtt)); 2449 } 2450 if (!atts.isEmpty()) { 2451 msg.mAttachments = atts; 2452 } 2453 // Save it or update it... 2454 if (!msg.isSaved()) { 2455 msg.save(context); 2456 } else { 2457 // This is tricky due to how messages/attachments are saved; rather than putz with 2458 // what's changed, we'll delete/re-add them 2459 ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>(); 2460 // Delete all existing attachments 2461 ops.add(ContentProviderOperation.newDelete( 2462 ContentUris.withAppendedId(Attachment.MESSAGE_ID_URI, msg.mId)) 2463 .build()); 2464 // Delete the body 2465 ops.add(ContentProviderOperation.newDelete(Body.CONTENT_URI) 2466 .withSelection(Body.MESSAGE_KEY + "=?", new String[] {Long.toString(msg.mId)}) 2467 .build()); 2468 // Add the ops for the message, atts, and body 2469 msg.addSaveOps(ops); 2470 // Do it! 2471 try { 2472 applyBatch(ops); 2473 } catch (OperationApplicationException e) { 2474 } 2475 } 2476 return Uri.parse("content://" + EmailContent.AUTHORITY + "/uimessage/" + msg.mId); 2477 } 2478 2479 /** 2480 * Create and send the message via the account indicated in the uri 2481 * @param uri the incoming uri 2482 * @param values the content values that represent message fields 2483 * @return the uri of the created message 2484 */ 2485 private Uri uiSendMail(Uri uri, ContentValues values) { 2486 List<String> pathSegments = uri.getPathSegments(); 2487 Mailbox mailbox = getMailboxByAccountIdAndType(pathSegments.get(1), Mailbox.TYPE_OUTBOX); 2488 if (mailbox == null) return null; 2489 Message msg = getMessageFromPathSegments(pathSegments); 2490 try { 2491 return uiSaveMessage(msg, mailbox, values); 2492 } finally { 2493 // Kick observers 2494 getContext().getContentResolver().notifyChange(Mailbox.CONTENT_URI, null); 2495 } 2496 } 2497 2498 /** 2499 * Create a message and save it to the drafts folder of the account indicated in the uri 2500 * @param uri the incoming uri 2501 * @param values the content values that represent message fields 2502 * @return the uri of the created message 2503 */ 2504 private Uri uiSaveDraft(Uri uri, ContentValues values) { 2505 List<String> pathSegments = uri.getPathSegments(); 2506 Mailbox mailbox = getMailboxByAccountIdAndType(pathSegments.get(1), Mailbox.TYPE_DRAFTS); 2507 if (mailbox == null) return null; 2508 Message msg = getMessageFromPathSegments(pathSegments); 2509 return uiSaveMessage(msg, mailbox, values); 2510 } 2511 2512 private int uiUpdateDraft(Uri uri, ContentValues values) { 2513 Context context = getContext(); 2514 Message msg = Message.restoreMessageWithId(context, 2515 Long.parseLong(uri.getPathSegments().get(1))); 2516 if (msg == null) return 0; 2517 Mailbox mailbox = Mailbox.restoreMailboxWithId(context, msg.mMailboxKey); 2518 if (mailbox == null) return 0; 2519 uiSaveMessage(msg, mailbox, values); 2520 return 1; 2521 } 2522 2523 private int uiSendDraft(Uri uri, ContentValues values) { 2524 Context context = getContext(); 2525 Message msg = Message.restoreMessageWithId(context, 2526 Long.parseLong(uri.getPathSegments().get(1))); 2527 if (msg == null) return 0; 2528 long mailboxId = Mailbox.findMailboxOfType(context, msg.mAccountKey, Mailbox.TYPE_OUTBOX); 2529 if (mailboxId == Mailbox.NO_MAILBOX) return 0; 2530 Mailbox mailbox = Mailbox.restoreMailboxWithId(context, mailboxId); 2531 if (mailbox == null) return 0; 2532 uiSaveMessage(msg, mailbox, values); 2533 // Kick observers 2534 context.getContentResolver().notifyChange(Mailbox.CONTENT_URI, null); 2535 return 1; 2536 } 2537 2538 private void putIntegerLongOrBoolean(ContentValues values, String columnName, Object value) { 2539 if (value instanceof Integer) { 2540 Integer intValue = (Integer)value; 2541 values.put(columnName, intValue); 2542 } else if (value instanceof Boolean) { 2543 Boolean boolValue = (Boolean)value; 2544 values.put(columnName, boolValue ? 1 : 0); 2545 } else if (value instanceof Long) { 2546 Long longValue = (Long)value; 2547 values.put(columnName, longValue); 2548 } 2549 } 2550 2551 private ContentValues convertUiMessageValues(ContentValues values) { 2552 ContentValues ourValues = new ContentValues(); 2553 for (String columnName: values.keySet()) { 2554 Object val = values.get(columnName); 2555 if (columnName.equals(UIProvider.ConversationColumns.STARRED)) { 2556 putIntegerLongOrBoolean(ourValues, MessageColumns.FLAG_FAVORITE, val); 2557 } else if (columnName.equals(UIProvider.ConversationColumns.READ)) { 2558 putIntegerLongOrBoolean(ourValues, MessageColumns.FLAG_READ, val); 2559 } else if (columnName.equals(MessageColumns.MAILBOX_KEY)) { 2560 putIntegerLongOrBoolean(ourValues, MessageColumns.MAILBOX_KEY, val); 2561 } else if (columnName.equals(UIProvider.ConversationColumns.FOLDER_LIST)) { 2562 // Convert from folder list uri to mailbox key 2563 Uri uri = Uri.parse((String)val); 2564 Long mailboxId = Long.parseLong(uri.getLastPathSegment()); 2565 putIntegerLongOrBoolean(ourValues, MessageColumns.MAILBOX_KEY, mailboxId); 2566 } else { 2567 throw new IllegalArgumentException("Can't update " + columnName + " in message"); 2568 } 2569 } 2570 return ourValues; 2571 } 2572 2573 private Uri convertToEmailProviderUri(Uri uri, boolean asProvider) { 2574 String idString = uri.getLastPathSegment(); 2575 try { 2576 long id = Long.parseLong(idString); 2577 Uri ourUri = ContentUris.withAppendedId(Message.SYNCED_CONTENT_URI, id); 2578 if (asProvider) { 2579 ourUri = ourUri.buildUpon().appendQueryParameter(IS_UIPROVIDER, "true").build(); 2580 } 2581 return ourUri; 2582 } catch (NumberFormatException e) { 2583 return null; 2584 } 2585 } 2586 2587 private Message getMessageFromLastSegment(Uri uri) { 2588 long messageId = Long.parseLong(uri.getLastPathSegment()); 2589 return Message.restoreMessageWithId(getContext(), messageId); 2590 } 2591 2592 /** 2593 * Add an undo operation for the current sequence; if the sequence is newer than what we've had, 2594 * clear out the undo list and start over 2595 * @param uri the uri we're working on 2596 * @param op the ContentProviderOperation to perform upon undo 2597 */ 2598 private void addToSequence(Uri uri, ContentProviderOperation op) { 2599 String sequenceString = uri.getQueryParameter(UIProvider.SEQUENCE_QUERY_PARAMETER); 2600 if (sequenceString != null) { 2601 int sequence = Integer.parseInt(sequenceString); 2602 if (sequence > mLastSequence) { 2603 // Reset sequence 2604 mLastSequenceOps.clear(); 2605 mLastSequence = sequence; 2606 } 2607 // TODO: Need something to indicate a change isn't ready (undoable) 2608 mLastSequenceOps.add(op); 2609 } 2610 } 2611 2612 private int uiUpdateMessage(Uri uri, ContentValues values) { 2613 Uri ourUri = convertToEmailProviderUri(uri, true); 2614 if (ourUri == null) return 0; 2615 ContentValues ourValues = convertUiMessageValues(values); 2616 Message msg = getMessageFromLastSegment(uri); 2617 if (msg == null) return 0; 2618 ContentValues undoValues = new ContentValues(); 2619 for (String columnName: ourValues.keySet()) { 2620 if (columnName.equals(MessageColumns.MAILBOX_KEY)) { 2621 undoValues.put(MessageColumns.MAILBOX_KEY, msg.mMailboxKey); 2622 } else if (columnName.equals(MessageColumns.FLAG_READ)) { 2623 undoValues.put(MessageColumns.FLAG_READ, msg.mFlagRead); 2624 } else if (columnName.equals(MessageColumns.FLAG_FAVORITE)) { 2625 undoValues.put(MessageColumns.FLAG_FAVORITE, msg.mFlagFavorite); 2626 } 2627 } 2628 ContentProviderOperation op = 2629 ContentProviderOperation.newUpdate(convertToEmailProviderUri(uri, false)) 2630 .withValues(undoValues) 2631 .build(); 2632 addToSequence(uri, op); 2633 return update(ourUri, ourValues, null, null); 2634 } 2635 2636 private int uiDeleteMessage(Uri uri) { 2637 Context context = getContext(); 2638 Message msg = getMessageFromLastSegment(uri); 2639 if (msg == null) return 0; 2640 Mailbox mailbox = 2641 Mailbox.restoreMailboxOfType(context, msg.mAccountKey, Mailbox.TYPE_TRASH); 2642 if (mailbox == null) return 0; 2643 ContentProviderOperation op = 2644 ContentProviderOperation.newUpdate(convertToEmailProviderUri(uri, false)) 2645 .withValue(Message.MAILBOX_KEY, msg.mMailboxKey) 2646 .build(); 2647 addToSequence(uri, op); 2648 ContentValues values = new ContentValues(); 2649 values.put(Message.MAILBOX_KEY, mailbox.mId); 2650 return uiUpdateMessage(uri, values); 2651 } 2652 2653 private Cursor uiUndo(Uri uri, String[] projection) { 2654 // First see if we have any operations saved 2655 // TODO: Make sure seq matches 2656 if (!mLastSequenceOps.isEmpty()) { 2657 try { 2658 // TODO Always use this projection? Or what's passed in? 2659 // Not sure if UI wants it, but I'm making a cursor of convo uri's 2660 MatrixCursor c = new MatrixCursor( 2661 new String[] {UIProvider.ConversationColumns.URI}, 2662 mLastSequenceOps.size()); 2663 for (ContentProviderOperation op: mLastSequenceOps) { 2664 c.addRow(new String[] {op.getUri().toString()}); 2665 } 2666 // Just apply the batch and we're done! 2667 applyBatch(mLastSequenceOps); 2668 // But clear the operations 2669 mLastSequenceOps.clear(); 2670 // Tell the UI there are changes 2671 getContext().getContentResolver().notifyChange(UIPROVIDER_CONVERSATION_NOTIFIER, 2672 null); 2673 Log.d(TAG, "[Notify UI: Undo]"); 2674 return c; 2675 } catch (OperationApplicationException e) { 2676 } 2677 } 2678 return new MatrixCursor(projection, 0); 2679 } 2680 2681 private void notifyUIConversation(Uri uri) { 2682 String id = uri.getLastPathSegment(); 2683 Message msg = Message.restoreMessageWithId(getContext(), Long.parseLong(id)); 2684 if (msg != null) { 2685 notifyUI(UIPROVIDER_CONVERSATION_NOTIFIER, Long.toString(msg.mMailboxKey)); 2686 } 2687 } 2688 2689 private void notifyUIConversationMailbox(long id) { 2690 notifyUI(UIPROVIDER_CONVERSATION_NOTIFIER, Long.toString(id)); 2691 } 2692 2693 private void notifyUI(Uri uri, String id) { 2694 Uri notifyUri = uri.buildUpon().appendPath(id).build(); 2695 getContext().getContentResolver().notifyChange(notifyUri, null); 2696 // Temporary 2697 Log.d(TAG, "[Notify UI: " + notifyUri + "]"); 2698 } 2699 2700 /** 2701 * Support for services and service notifications 2702 */ 2703 2704 private final IEmailServiceCallback.Stub mServiceCallback = 2705 new IEmailServiceCallback.Stub() { 2706 2707 @Override 2708 public void syncMailboxListStatus(long accountId, int statusCode, int progress) 2709 throws RemoteException { 2710 } 2711 2712 @Override 2713 public void syncMailboxStatus(long mailboxId, int statusCode, int progress) 2714 throws RemoteException { 2715 // We'll get callbacks here from the services, which we'll pass back to the UI 2716 Uri uri = ContentUris.withAppendedId(FOLDER_STATUS_URI, mailboxId); 2717 EmailProvider.this.getContext().getContentResolver().notifyChange(uri, null); 2718 } 2719 2720 @Override 2721 public void loadAttachmentStatus(long messageId, long attachmentId, int statusCode, 2722 int progress) throws RemoteException { 2723 } 2724 2725 @Override 2726 public void sendMessageStatus(long messageId, String subject, int statusCode, int progress) 2727 throws RemoteException { 2728 } 2729 2730 @Override 2731 public void loadMessageStatus(long messageId, int statusCode, int progress) 2732 throws RemoteException { 2733 } 2734 }; 2735 2736 private Cursor uiFolderRefresh(Uri uri, String[] projection) { 2737 Context context = getContext(); 2738 String idString = uri.getPathSegments().get(1); 2739 long id = Long.parseLong(idString); 2740 Mailbox mailbox = Mailbox.restoreMailboxWithId(context, id); 2741 if (mailbox == null) return null; 2742 EmailServiceProxy service = EmailServiceUtils.getServiceForAccount(context, 2743 mServiceCallback, mailbox.mAccountKey); 2744 try { 2745 service.startSync(id, true); 2746 } catch (RemoteException e) { 2747 } 2748 return null; 2749 } 2750} 2751