MailService.java revision fe6e3eae2a318f89634c82222acfdaac32ee6cf1
1/* 2 * Copyright (C) 2008 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.service; 18 19import com.android.email.AccountBackupRestore; 20import com.android.email.Controller; 21import com.android.email.Email; 22import com.android.email.NotificationController; 23import com.android.email.SecurityPolicy; 24import com.android.email.Utility; 25import com.android.email.mail.MessagingException; 26import com.android.email.provider.EmailContent; 27import com.android.email.provider.EmailProvider; 28import com.android.email.provider.EmailContent.Account; 29import com.android.email.provider.EmailContent.AccountColumns; 30import com.android.email.provider.EmailContent.HostAuth; 31import com.android.email.provider.EmailContent.Mailbox; 32 33import android.accounts.AccountManager; 34import android.accounts.AccountManagerCallback; 35import android.accounts.AccountManagerFuture; 36import android.accounts.AuthenticatorException; 37import android.accounts.OnAccountsUpdateListener; 38import android.accounts.OperationCanceledException; 39import android.app.AlarmManager; 40import android.app.PendingIntent; 41import android.app.Service; 42import android.content.ContentResolver; 43import android.content.ContentUris; 44import android.content.Context; 45import android.content.Intent; 46import android.content.SyncStatusObserver; 47import android.database.Cursor; 48import android.net.ConnectivityManager; 49import android.net.Uri; 50import android.os.Bundle; 51import android.os.Handler; 52import android.os.IBinder; 53import android.os.SystemClock; 54import android.util.Config; 55import android.util.Log; 56 57import java.io.IOException; 58import java.util.ArrayList; 59import java.util.HashMap; 60import java.util.List; 61 62/** 63 * Background service for refreshing non-push email accounts. 64 */ 65public class MailService extends Service { 66 /** DO NOT CHECK IN "TRUE" */ 67 private static final boolean DEBUG_FORCE_QUICK_REFRESH = false; // force 1-minute refresh 68 69 private static final String LOG_TAG = "Email-MailService"; 70 71 private static final String ACTION_CHECK_MAIL = 72 "com.android.email.intent.action.MAIL_SERVICE_WAKEUP"; 73 private static final String ACTION_RESCHEDULE = 74 "com.android.email.intent.action.MAIL_SERVICE_RESCHEDULE"; 75 private static final String ACTION_CANCEL = 76 "com.android.email.intent.action.MAIL_SERVICE_CANCEL"; 77 private static final String ACTION_NOTIFY_MAIL = 78 "com.android.email.intent.action.MAIL_SERVICE_NOTIFY"; 79 private static final String ACTION_SEND_PENDING_MAIL = 80 "com.android.email.intent.action.MAIL_SERVICE_SEND_PENDING"; 81 82 private static final String EXTRA_ACCOUNT = "com.android.email.intent.extra.ACCOUNT"; 83 private static final String EXTRA_ACCOUNT_INFO = "com.android.email.intent.extra.ACCOUNT_INFO"; 84 private static final String EXTRA_DEBUG_WATCHDOG = "com.android.email.intent.extra.WATCHDOG"; 85 86 private static final int WATCHDOG_DELAY = 10 * 60 * 1000; // 10 minutes 87 88 // Sentinel value asking to update mSyncReports if it's currently empty 89 /*package*/ static final int SYNC_REPORTS_ALL_ACCOUNTS_IF_EMPTY = -1; 90 // Sentinel value asking that mSyncReports be rebuilt 91 /*package*/ static final int SYNC_REPORTS_RESET = -2; 92 93 private static final String[] NEW_MESSAGE_COUNT_PROJECTION = 94 new String[] {AccountColumns.NEW_MESSAGE_COUNT}; 95 96 /*package*/ Controller mController; 97 private final Controller.Result mControllerCallback = new ControllerResults(); 98 private ContentResolver mContentResolver; 99 private Context mContext; 100 private AccountsUpdatedListener mAccountsUpdatedListener; 101 private Handler mHandler = new Handler(); 102 103 private int mStartId; 104 105 /** 106 * Access must be synchronized, because there are accesses from the Controller callback 107 */ 108 /*package*/ static HashMap<Long,AccountSyncReport> mSyncReports = 109 new HashMap<Long,AccountSyncReport>(); 110 111 public static void actionReschedule(Context context) { 112 Intent i = new Intent(); 113 i.setClass(context, MailService.class); 114 i.setAction(MailService.ACTION_RESCHEDULE); 115 context.startService(i); 116 } 117 118 public static void actionCancel(Context context) { 119 Intent i = new Intent(); 120 i.setClass(context, MailService.class); 121 i.setAction(MailService.ACTION_CANCEL); 122 context.startService(i); 123 } 124 125 /** 126 * Entry point for AttachmentDownloadService to ask that pending mail be sent 127 * @param context the caller's context 128 * @param accountId the account whose pending mail should be sent 129 */ 130 public static void actionSendPendingMail(Context context, long accountId) { 131 Intent i = new Intent(); 132 i.setClass(context, MailService.class); 133 i.setAction(MailService.ACTION_SEND_PENDING_MAIL); 134 i.putExtra(MailService.EXTRA_ACCOUNT, accountId); 135 context.startService(i); 136 } 137 138 /** 139 * Reset new message counts for one or all accounts. This clears both our local copy and 140 * the values (if any) stored in the account records. 141 * 142 * @param accountId account to clear, or -1 for all accounts 143 */ 144 public static void resetNewMessageCount(final Context context, final long accountId) { 145 synchronized (mSyncReports) { 146 for (AccountSyncReport report : mSyncReports.values()) { 147 if (accountId == -1 || accountId == report.accountId) { 148 report.unseenMessageCount = 0; 149 } 150 } 151 } 152 // now do the database - all accounts, or just one of them 153 Utility.runAsync(new Runnable() { 154 @Override 155 public void run() { 156 Uri uri = Account.RESET_NEW_MESSAGE_COUNT_URI; 157 if (accountId != -1) { 158 uri = ContentUris.withAppendedId(uri, accountId); 159 } 160 context.getContentResolver().update(uri, null, null, null); 161 } 162 }); 163 } 164 165 /** 166 * Entry point for asynchronous message services (e.g. push mode) to post notifications of new 167 * messages. This assumes that the push provider has already synced the messages into the 168 * appropriate database - this simply triggers the notification mechanism. 169 * 170 * @param context a context 171 * @param accountId the id of the account that is reporting new messages 172 * @param newCount the number of new messages 173 */ 174 public static void actionNotifyNewMessages(Context context, long accountId) { 175 Intent i = new Intent(ACTION_NOTIFY_MAIL); 176 i.setClass(context, MailService.class); 177 i.putExtra(EXTRA_ACCOUNT, accountId); 178 context.startService(i); 179 } 180 181 @Override 182 public int onStartCommand(Intent intent, int flags, int startId) { 183 super.onStartCommand(intent, flags, startId); 184 185 // Restore accounts, if it has not happened already 186 AccountBackupRestore.restoreAccountsIfNeeded(this); 187 188 // Set up our observer for AccountManager 189 mAccountsUpdatedListener = new AccountsUpdatedListener(); 190 AccountManager.get(getApplication()).addOnAccountsUpdatedListener( 191 mAccountsUpdatedListener, mHandler, true); 192 // Run reconciliation to make sure we're up-to-date on account status 193 mAccountsUpdatedListener.onAccountsUpdated(null); 194 195 // TODO this needs to be passed through the controller and back to us 196 this.mStartId = startId; 197 String action = intent.getAction(); 198 199 mController = Controller.getInstance(this); 200 mController.addResultCallback(mControllerCallback); 201 mContentResolver = getContentResolver(); 202 mContext = this; 203 204 if (ACTION_CHECK_MAIL.equals(action)) { 205 // If we have the data, restore the last-sync-times for each account 206 // These are cached in the wakeup intent in case the process was killed. 207 restoreSyncReports(intent); 208 209 // Sync a specific account if given 210 AlarmManager alarmManager = (AlarmManager)getSystemService(Context.ALARM_SERVICE); 211 long checkAccountId = intent.getLongExtra(EXTRA_ACCOUNT, -1); 212 if (Config.LOGD && Email.DEBUG) { 213 Log.d(LOG_TAG, "action: check mail for id=" + checkAccountId); 214 } 215 if (checkAccountId >= 0) { 216 setWatchdog(checkAccountId, alarmManager); 217 } 218 219 // Start sync if account is given and background data is enabled and the account itself 220 // has sync enabled 221 boolean syncStarted = false; 222 if (checkAccountId != -1 && isBackgroundDataEnabled()) { 223 synchronized(mSyncReports) { 224 for (AccountSyncReport report: mSyncReports.values()) { 225 if (report.accountId == checkAccountId) { 226 if (report.syncEnabled) { 227 syncStarted = syncOneAccount(mController, checkAccountId, startId); 228 } 229 break; 230 } 231 } 232 } 233 } 234 235 // Reschedule if we didn't start sync. 236 if (!syncStarted) { 237 // Prevent runaway on the current account by pretending it updated 238 if (checkAccountId != -1) { 239 updateAccountReport(checkAccountId, 0); 240 } 241 // Find next account to sync, and reschedule 242 reschedule(alarmManager); 243 stopSelf(startId); 244 } 245 } 246 else if (ACTION_CANCEL.equals(action)) { 247 if (Config.LOGD && Email.DEBUG) { 248 Log.d(LOG_TAG, "action: cancel"); 249 } 250 cancel(); 251 stopSelf(startId); 252 } 253 else if (ACTION_SEND_PENDING_MAIL.equals(action)) { 254 if (Config.LOGD && Email.DEBUG) { 255 Log.d(LOG_TAG, "action: send pending mail"); 256 } 257 final long accountId = intent.getLongExtra(EXTRA_ACCOUNT, -1); 258 EmailContent.Account account = 259 EmailContent.Account.restoreAccountWithId(this, accountId); 260 if (account != null) { 261 Utility.runAsync(new Runnable() { 262 public void run() { 263 mController.sendPendingMessages(accountId); 264 } 265 }); 266 } 267 stopSelf(startId); 268 } 269 else if (ACTION_RESCHEDULE.equals(action)) { 270 if (Config.LOGD && Email.DEBUG) { 271 Log.d(LOG_TAG, "action: reschedule"); 272 } 273 // As a precaution, clear any outstanding Email notifications 274 // We could be smarter and only do this when the list of accounts changes, 275 // but that's an edge condition and this is much safer. 276 NotificationController.getInstance(this).cancelNewMessageNotification(-1); 277 278 // When called externally, we refresh the sync reports table to pick up 279 // any changes in the account list or account settings 280 refreshSyncReports(); 281 // Finally, scan for the next needing update, and set an alarm for it 282 AlarmManager alarmManager = (AlarmManager)getSystemService(Context.ALARM_SERVICE); 283 reschedule(alarmManager); 284 stopSelf(startId); 285 } else if (ACTION_NOTIFY_MAIL.equals(action)) { 286 long accountId = intent.getLongExtra(EXTRA_ACCOUNT, -1); 287 // Get the current new message count 288 Cursor c = mContentResolver.query( 289 ContentUris.withAppendedId(Account.CONTENT_URI, accountId), 290 NEW_MESSAGE_COUNT_PROJECTION, null, null, null); 291 int newMessageCount = 0; 292 try { 293 if (c.moveToFirst()) { 294 newMessageCount = c.getInt(0); 295 } else { 296 // If the account no longer exists, set to -1 (which is handled below) 297 accountId = -1; 298 } 299 } finally { 300 c.close(); 301 } 302 if (Config.LOGD && Email.DEBUG) { 303 Log.d(LOG_TAG, "notify accountId=" + Long.toString(accountId) 304 + " count=" + newMessageCount); 305 } 306 if (accountId != -1) { 307 updateAccountReport(accountId, newMessageCount); 308 notifyNewMessages(accountId); 309 } 310 stopSelf(startId); 311 } 312 313 // Returning START_NOT_STICKY means that if a mail check is killed (e.g. due to memory 314 // pressure, there will be no explicit restart. This is OK; Note that we set a watchdog 315 // alarm before each mailbox check. If the mailbox check never completes, the watchdog 316 // will fire and get things running again. 317 return START_NOT_STICKY; 318 } 319 320 @Override 321 public IBinder onBind(Intent intent) { 322 return null; 323 } 324 325 @Override 326 public void onDestroy() { 327 super.onDestroy(); 328 Controller.getInstance(getApplication()).removeResultCallback(mControllerCallback); 329 // Unregister our account listener 330 if (mAccountsUpdatedListener != null) { 331 AccountManager.get(this).removeOnAccountsUpdatedListener(mAccountsUpdatedListener); 332 } 333 } 334 335 private void cancel() { 336 AlarmManager alarmMgr = (AlarmManager)getSystemService(Context.ALARM_SERVICE); 337 PendingIntent pi = createAlarmIntent(-1, null, false); 338 alarmMgr.cancel(pi); 339 } 340 341 /** 342 * Refresh the sync reports, to pick up any changes in the account list or account settings. 343 */ 344 /*package*/ void refreshSyncReports() { 345 synchronized (mSyncReports) { 346 // Make shallow copy of sync reports so we can recover the prev sync times 347 HashMap<Long,AccountSyncReport> oldSyncReports = 348 new HashMap<Long,AccountSyncReport>(mSyncReports); 349 350 // Delete the sync reports to force a refresh from live account db data 351 setupSyncReportsLocked(SYNC_REPORTS_RESET, this); 352 353 // Restore prev-sync & next-sync times for any reports in the new list 354 for (AccountSyncReport newReport : mSyncReports.values()) { 355 AccountSyncReport oldReport = oldSyncReports.get(newReport.accountId); 356 if (oldReport != null) { 357 newReport.prevSyncTime = oldReport.prevSyncTime; 358 if (newReport.syncInterval > 0 && newReport.prevSyncTime != 0) { 359 newReport.nextSyncTime = 360 newReport.prevSyncTime + (newReport.syncInterval * 1000 * 60); 361 } 362 } 363 } 364 } 365 } 366 367 /** 368 * Create and send an alarm with the entire list. This also sends a list of known last-sync 369 * times with the alarm, so if we are killed between alarms, we don't lose this info. 370 * 371 * @param alarmMgr passed in so we can mock for testing. 372 */ 373 /* package */ void reschedule(AlarmManager alarmMgr) { 374 // restore the reports if lost 375 setupSyncReports(SYNC_REPORTS_ALL_ACCOUNTS_IF_EMPTY); 376 synchronized (mSyncReports) { 377 int numAccounts = mSyncReports.size(); 378 long[] accountInfo = new long[numAccounts * 2]; // pairs of { accountId, lastSync } 379 int accountInfoIndex = 0; 380 381 long nextCheckTime = Long.MAX_VALUE; 382 AccountSyncReport nextAccount = null; 383 long timeNow = SystemClock.elapsedRealtime(); 384 385 for (AccountSyncReport report : mSyncReports.values()) { 386 if (report.syncInterval <= 0) { // no timed checks - skip 387 continue; 388 } 389 390 long prevSyncTime = report.prevSyncTime; 391 long nextSyncTime = report.nextSyncTime; 392 393 // select next account to sync 394 if ((prevSyncTime == 0) || (nextSyncTime < timeNow)) { // never checked, or overdue 395 nextCheckTime = 0; 396 nextAccount = report; 397 } else if (nextSyncTime < nextCheckTime) { // next to be checked 398 nextCheckTime = nextSyncTime; 399 nextAccount = report; 400 } 401 // collect last-sync-times for all accounts 402 // this is using pairs of {long,long} to simplify passing in a bundle 403 accountInfo[accountInfoIndex++] = report.accountId; 404 accountInfo[accountInfoIndex++] = report.prevSyncTime; 405 } 406 407 // Clear out any unused elements in the array 408 while (accountInfoIndex < accountInfo.length) { 409 accountInfo[accountInfoIndex++] = -1; 410 } 411 412 // set/clear alarm as needed 413 long idToCheck = (nextAccount == null) ? -1 : nextAccount.accountId; 414 PendingIntent pi = createAlarmIntent(idToCheck, accountInfo, false); 415 416 if (nextAccount == null) { 417 alarmMgr.cancel(pi); 418 if (Config.LOGD && Email.DEBUG) { 419 Log.d(LOG_TAG, "reschedule: alarm cancel - no account to check"); 420 } 421 } else { 422 alarmMgr.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, nextCheckTime, pi); 423 if (Config.LOGD && Email.DEBUG) { 424 Log.d(LOG_TAG, "reschedule: alarm set at " + nextCheckTime 425 + " for " + nextAccount); 426 } 427 } 428 } 429 } 430 431 /** 432 * Create a watchdog alarm and set it. This is used in case a mail check fails (e.g. we are 433 * killed by the system due to memory pressure.) Normally, a mail check will complete and 434 * the watchdog will be replaced by the call to reschedule(). 435 * @param accountId the account we were trying to check 436 * @param alarmMgr system alarm manager 437 */ 438 private void setWatchdog(long accountId, AlarmManager alarmMgr) { 439 PendingIntent pi = createAlarmIntent(accountId, null, true); 440 long timeNow = SystemClock.elapsedRealtime(); 441 long nextCheckTime = timeNow + WATCHDOG_DELAY; 442 alarmMgr.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, nextCheckTime, pi); 443 } 444 445 /** 446 * Return a pending intent for use by this alarm. Most of the fields must be the same 447 * (in order for the intent to be recognized by the alarm manager) but the extras can 448 * be different, and are passed in here as parameters. 449 */ 450 /* package */ PendingIntent createAlarmIntent(long checkId, long[] accountInfo, 451 boolean isWatchdog) { 452 Intent i = new Intent(); 453 i.setClass(this, MailService.class); 454 i.setAction(ACTION_CHECK_MAIL); 455 i.putExtra(EXTRA_ACCOUNT, checkId); 456 i.putExtra(EXTRA_ACCOUNT_INFO, accountInfo); 457 if (isWatchdog) { 458 i.putExtra(EXTRA_DEBUG_WATCHDOG, true); 459 } 460 PendingIntent pi = PendingIntent.getService(this, 0, i, PendingIntent.FLAG_UPDATE_CURRENT); 461 return pi; 462 } 463 464 /** 465 * Start a controller sync for a specific account 466 * 467 * @param controller The controller to do the sync work 468 * @param checkAccountId the account Id to try and check 469 * @param startId the id of this service launch 470 * @return true if mail checking has started, false if it could not (e.g. bad account id) 471 */ 472 private boolean syncOneAccount(Controller controller, long checkAccountId, int startId) { 473 long inboxId = Mailbox.findMailboxOfType(this, checkAccountId, Mailbox.TYPE_INBOX); 474 if (inboxId == Mailbox.NO_MAILBOX) { 475 return false; 476 } else { 477 controller.serviceCheckMail(checkAccountId, inboxId, startId); 478 return true; 479 } 480 } 481 482 /** 483 * Note: Times are relative to SystemClock.elapsedRealtime() 484 */ 485 /*package*/ static class AccountSyncReport { 486 long accountId; 487 long prevSyncTime; // 0 == unknown 488 long nextSyncTime; // 0 == ASAP -1 == don't sync 489 490 /** # of "unseen" messages to show in notification */ 491 int unseenMessageCount; 492 493 /** 494 * # of unseen, the value shown on the last notification. Used to 495 * calculate "the number of messages that have just been fetched". 496 * 497 * TODO It's a sort of cheating. Should we use the "real" number? The only difference 498 * is the first notification after reboot / process restart. 499 */ 500 int lastUnseenMessageCount; 501 502 int syncInterval; 503 boolean notify; 504 505 boolean syncEnabled; // whether auto sync is enabled for this account 506 507 /** # of messages that have just been fetched */ 508 int getJustFetchedMessageCount() { 509 return unseenMessageCount - lastUnseenMessageCount; 510 } 511 512 @Override 513 public String toString() { 514 return "id=" + accountId 515 + " prevSync=" + prevSyncTime + " nextSync=" + nextSyncTime + " numUnseen=" 516 + unseenMessageCount; 517 } 518 } 519 520 /** 521 * scan accounts to create a list of { acct, prev sync, next sync, #new } 522 * use this to create a fresh copy. assumes all accounts need sync 523 * 524 * @param accountId -1 will rebuild the list if empty. other values will force loading 525 * of a single account (e.g if it was created after the original list population) 526 */ 527 /* package */ void setupSyncReports(long accountId) { 528 synchronized (mSyncReports) { 529 setupSyncReportsLocked(accountId, mContext); 530 } 531 } 532 533 /** 534 * Handle the work of setupSyncReports. Must be synchronized on mSyncReports. 535 */ 536 /*package*/ void setupSyncReportsLocked(long accountId, Context context) { 537 ContentResolver resolver = context.getContentResolver(); 538 if (accountId == SYNC_REPORTS_RESET) { 539 // For test purposes, force refresh of mSyncReports 540 mSyncReports.clear(); 541 accountId = SYNC_REPORTS_ALL_ACCOUNTS_IF_EMPTY; 542 } else if (accountId == SYNC_REPORTS_ALL_ACCOUNTS_IF_EMPTY) { 543 // -1 == reload the list if empty, otherwise exit immediately 544 if (mSyncReports.size() > 0) { 545 return; 546 } 547 } else { 548 // load a single account if it doesn't already have a sync record 549 if (mSyncReports.containsKey(accountId)) { 550 return; 551 } 552 } 553 554 // setup to add a single account or all accounts 555 Uri uri; 556 if (accountId == SYNC_REPORTS_ALL_ACCOUNTS_IF_EMPTY) { 557 uri = Account.CONTENT_URI; 558 } else { 559 uri = ContentUris.withAppendedId(Account.CONTENT_URI, accountId); 560 } 561 562 // TODO use a narrower projection here 563 Cursor c = resolver.query(uri, Account.CONTENT_PROJECTION, null, null, null); 564 try { 565 while (c.moveToNext()) { 566 AccountSyncReport report = new AccountSyncReport(); 567 int syncInterval = c.getInt(Account.CONTENT_SYNC_INTERVAL_COLUMN); 568 int flags = c.getInt(Account.CONTENT_FLAGS_COLUMN); 569 long id = c.getInt(Account.CONTENT_ID_COLUMN); 570 571 // If we're not using MessagingController (EAS at this point), don't schedule syncs 572 if (!mController.isMessagingController(id)) { 573 syncInterval = Account.CHECK_INTERVAL_NEVER; 574 } else if (DEBUG_FORCE_QUICK_REFRESH && syncInterval >= 0) { 575 syncInterval = 1; 576 } 577 578 report.accountId = c.getLong(Account.CONTENT_ID_COLUMN); 579 report.prevSyncTime = 0; 580 report.nextSyncTime = (syncInterval > 0) ? 0 : -1; // 0 == ASAP -1 == no sync 581 report.unseenMessageCount = 0; 582 583 report.syncInterval = syncInterval; 584 report.notify = (flags & Account.FLAGS_NOTIFY_NEW_MAIL) != 0; 585 586 // See if the account is enabled for sync in AccountManager 587 Account providerAccount = Account.restoreAccountWithId(context, id); 588 android.accounts.Account accountManagerAccount = 589 new android.accounts.Account(providerAccount.mEmailAddress, 590 Email.POP_IMAP_ACCOUNT_MANAGER_TYPE); 591 report.syncEnabled = ContentResolver.getSyncAutomatically(accountManagerAccount, 592 EmailProvider.EMAIL_AUTHORITY); 593 594 // TODO lookup # new in inbox 595 mSyncReports.put(report.accountId, report); 596 } 597 } finally { 598 c.close(); 599 } 600 } 601 602 /** 603 * Update list with a single account's sync times and unread count 604 * 605 * @param accountId the account being updated 606 * @param newCount the number of new messages, or -1 if not being reported (don't update) 607 * @return the report for the updated account, or null if it doesn't exist (e.g. deleted) 608 */ 609 /* package */ AccountSyncReport updateAccountReport(long accountId, int newCount) { 610 // restore the reports if lost 611 setupSyncReports(accountId); 612 synchronized (mSyncReports) { 613 AccountSyncReport report = mSyncReports.get(accountId); 614 if (report == null) { 615 // discard result - there is no longer an account with this id 616 Log.d(LOG_TAG, "No account to update for id=" + Long.toString(accountId)); 617 return null; 618 } 619 620 // report found - update it (note - editing the report while in-place in the hashmap) 621 report.prevSyncTime = SystemClock.elapsedRealtime(); 622 if (report.syncInterval > 0) { 623 report.nextSyncTime = report.prevSyncTime + (report.syncInterval * 1000 * 60); 624 } 625 if (newCount != -1) { 626 report.unseenMessageCount = newCount; 627 } 628 if (Config.LOGD && Email.DEBUG) { 629 Log.d(LOG_TAG, "update account " + report.toString()); 630 } 631 return report; 632 } 633 } 634 635 /** 636 * when we receive an alarm, update the account sync reports list if necessary 637 * this will be the case when if we have restarted the process and lost the data 638 * in the global. 639 * 640 * @param restoreIntent the intent with the list 641 */ 642 /* package */ void restoreSyncReports(Intent restoreIntent) { 643 // restore the reports if lost 644 setupSyncReports(SYNC_REPORTS_ALL_ACCOUNTS_IF_EMPTY); 645 synchronized (mSyncReports) { 646 long[] accountInfo = restoreIntent.getLongArrayExtra(EXTRA_ACCOUNT_INFO); 647 if (accountInfo == null) { 648 Log.d(LOG_TAG, "no data in intent to restore"); 649 return; 650 } 651 int accountInfoIndex = 0; 652 int accountInfoLimit = accountInfo.length; 653 while (accountInfoIndex < accountInfoLimit) { 654 long accountId = accountInfo[accountInfoIndex++]; 655 long prevSync = accountInfo[accountInfoIndex++]; 656 AccountSyncReport report = mSyncReports.get(accountId); 657 if (report != null) { 658 if (report.prevSyncTime == 0) { 659 report.prevSyncTime = prevSync; 660 if (report.syncInterval > 0 && report.prevSyncTime != 0) { 661 report.nextSyncTime = 662 report.prevSyncTime + (report.syncInterval * 1000 * 60); 663 } 664 } 665 } 666 } 667 } 668 } 669 670 class ControllerResults extends Controller.Result { 671 @Override 672 public void updateMailboxCallback(MessagingException result, long accountId, 673 long mailboxId, int progress, int numNewMessages) { 674 if (result != null || progress == 100) { 675 // We only track the inbox here in the service - ignore other mailboxes 676 long inboxId = Mailbox.findMailboxOfType(MailService.this, 677 accountId, Mailbox.TYPE_INBOX); 678 if (mailboxId == inboxId) { 679 if (progress == 100) { 680 updateAccountReport(accountId, numNewMessages); 681 if (numNewMessages > 0) { 682 notifyNewMessages(accountId); 683 } 684 } else { 685 updateAccountReport(accountId, -1); 686 } 687 } 688 } 689 } 690 691 @Override 692 public void serviceCheckMailCallback(MessagingException result, long accountId, 693 long mailboxId, int progress, long tag) { 694 if (result != null || progress == 100) { 695 if (result != null) { 696 // the checkmail ended in an error. force an update of the refresh 697 // time, so we don't just spin on this account 698 updateAccountReport(accountId, -1); 699 } 700 AlarmManager alarmManager = (AlarmManager)getSystemService(Context.ALARM_SERVICE); 701 reschedule(alarmManager); 702 int serviceId = MailService.this.mStartId; 703 if (tag != 0) { 704 serviceId = (int) tag; 705 } 706 stopSelf(serviceId); 707 } 708 } 709 } 710 711 /** 712 * Show "new message" notification for an account. (Notification is shown per account.) 713 */ 714 private void notifyNewMessages(final long accountId) { 715 final int unseenMessageCount; 716 final int justFetchedCount; 717 synchronized (mSyncReports) { 718 AccountSyncReport report = mSyncReports.get(accountId); 719 if (report == null || report.unseenMessageCount == 0 || !report.notify) { 720 return; 721 } 722 unseenMessageCount = report.unseenMessageCount; 723 justFetchedCount = report.getJustFetchedMessageCount(); 724 report.lastUnseenMessageCount = report.unseenMessageCount; 725 } 726 727 NotificationController.getInstance(this).showNewMessageNotification(accountId, 728 unseenMessageCount, justFetchedCount); 729 } 730 731 /** 732 * @see ConnectivityManager#getBackgroundDataSetting() 733 */ 734 private boolean isBackgroundDataEnabled() { 735 ConnectivityManager cm = 736 (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); 737 return cm.getBackgroundDataSetting(); 738 } 739 740 public class EmailSyncStatusObserver implements SyncStatusObserver { 741 public void onStatusChanged(int which) { 742 // We ignore the argument (we can only get called in one case - when settings change) 743 } 744 } 745 746 public static ArrayList<Account> getPopImapAccountList(Context context) { 747 ArrayList<Account> providerAccounts = new ArrayList<Account>(); 748 Cursor c = context.getContentResolver().query(Account.CONTENT_URI, Account.ID_PROJECTION, 749 null, null, null); 750 try { 751 while (c.moveToNext()) { 752 long accountId = c.getLong(Account.CONTENT_ID_COLUMN); 753 String protocol = Account.getProtocol(context, accountId); 754 if ((protocol != null) && ("pop3".equals(protocol) || "imap".equals(protocol))) { 755 Account account = Account.restoreAccountWithId(context, accountId); 756 if (account != null) { 757 providerAccounts.add(account); 758 } 759 } 760 } 761 } finally { 762 c.close(); 763 } 764 return providerAccounts; 765 } 766 767 /** 768 * We synchronize this, since it can be called from multiple threads 769 */ 770 public static synchronized void reconcilePopImapAccounts(Context context) { 771 android.accounts.Account[] accountManagerAccounts = AccountManager.get(context) 772 .getAccountsByType(Email.POP_IMAP_ACCOUNT_MANAGER_TYPE); 773 ArrayList<Account> providerAccounts = getPopImapAccountList(context); 774 MailService.reconcileAccountsWithAccountManager(context, providerAccounts, 775 accountManagerAccounts, false, context.getContentResolver()); 776 777 } 778 779 /** 780 * Reconcile accounts when accounts are added/removed from AccountManager; note that the 781 * required argument is ignored (we request those of our specific type within the method) 782 */ 783 public class AccountsUpdatedListener implements OnAccountsUpdateListener { 784 public void onAccountsUpdated(android.accounts.Account[] accounts) { 785 Utility.runAsync(new Runnable() { 786 @Override 787 public void run() { 788 reconcilePopImapAccounts(MailService.this); 789 }}); 790 } 791 } 792 793 /** 794 * Compare our account list (obtained from EmailProvider) with the account list owned by 795 * AccountManager. If there are any orphans (an account in one list without a corresponding 796 * account in the other list), delete the orphan, as these must remain in sync. 797 * 798 * Note that the duplication of account information is caused by the Email application's 799 * incomplete integration with AccountManager. 800 * 801 * This function may not be called from the main/UI thread, because it makes blocking calls 802 * into the account manager. 803 * 804 * @param context The context in which to operate 805 * @param emailProviderAccounts the exchange provider accounts to work from 806 * @param accountManagerAccounts The account manager accounts to work from 807 * @param blockExternalChanges FOR TESTING ONLY - block backups, security changes, etc. 808 * @param resolver the content resolver for making provider updates (injected for testability) 809 */ 810 /* package */ public static void reconcileAccountsWithAccountManager(Context context, 811 List<Account> emailProviderAccounts, android.accounts.Account[] accountManagerAccounts, 812 boolean blockExternalChanges, ContentResolver resolver) { 813 // First, look through our EmailProvider accounts to make sure there's a corresponding 814 // AccountManager account 815 boolean accountsDeleted = false; 816 for (Account providerAccount: emailProviderAccounts) { 817 String providerAccountName = providerAccount.mEmailAddress; 818 boolean found = false; 819 for (android.accounts.Account accountManagerAccount: accountManagerAccounts) { 820 if (accountManagerAccount.name.equalsIgnoreCase(providerAccountName)) { 821 found = true; 822 break; 823 } 824 } 825 if (!found) { 826 if ((providerAccount.mFlags & Account.FLAGS_INCOMPLETE) != 0) { 827 if (Email.DEBUG) { 828 Log.d(LOG_TAG, "Account reconciler noticed incomplete account; ignoring"); 829 } 830 continue; 831 } 832 // This account has been deleted in the AccountManager! 833 Log.d(LOG_TAG, "Account deleted in AccountManager; deleting from provider: " + 834 providerAccountName); 835 // TODO This will orphan downloaded attachments; need to handle this 836 resolver.delete(ContentUris.withAppendedId(Account.CONTENT_URI, 837 providerAccount.mId), null, null); 838 accountsDeleted = true; 839 } 840 } 841 // Now, look through AccountManager accounts to make sure we have a corresponding cached EAS 842 // account from EmailProvider 843 for (android.accounts.Account accountManagerAccount: accountManagerAccounts) { 844 String accountManagerAccountName = accountManagerAccount.name; 845 boolean found = false; 846 for (Account cachedEasAccount: emailProviderAccounts) { 847 if (cachedEasAccount.mEmailAddress.equalsIgnoreCase(accountManagerAccountName)) { 848 found = true; 849 } 850 } 851 if (!found) { 852 // This account has been deleted from the EmailProvider database 853 Log.d(LOG_TAG, "Account deleted from provider; deleting from AccountManager: " + 854 accountManagerAccountName); 855 // Delete the account 856 AccountManagerFuture<Boolean> blockingResult = AccountManager.get(context) 857 .removeAccount(accountManagerAccount, null, null); 858 try { 859 // Note: All of the potential errors from removeAccount() are simply logged 860 // here, as there is nothing to actually do about them. 861 blockingResult.getResult(); 862 } catch (OperationCanceledException e) { 863 Log.w(Email.LOG_TAG, e.toString()); 864 } catch (AuthenticatorException e) { 865 Log.w(Email.LOG_TAG, e.toString()); 866 } catch (IOException e) { 867 Log.w(Email.LOG_TAG, e.toString()); 868 } 869 accountsDeleted = true; 870 } 871 } 872 // If we changed the list of accounts, refresh the backup & security settings 873 if (!blockExternalChanges && accountsDeleted) { 874 AccountBackupRestore.backupAccounts(context); 875 SecurityPolicy.getInstance(context).reducePolicies(); 876 Email.setNotifyUiAccountsChanged(true); 877 MailService.actionReschedule(context); 878 } 879 } 880 881 public static void setupAccountManagerAccount(Context context, EmailContent.Account account, 882 boolean email, boolean calendar, boolean contacts, 883 AccountManagerCallback<Bundle> callback) { 884 Bundle options = new Bundle(); 885 HostAuth hostAuthRecv = HostAuth.restoreHostAuthWithId(context, account.mHostAuthKeyRecv); 886 // Set up username/password 887 options.putString(EasAuthenticatorService.OPTIONS_USERNAME, account.mEmailAddress); 888 options.putString(EasAuthenticatorService.OPTIONS_PASSWORD, hostAuthRecv.mPassword); 889 options.putBoolean(EasAuthenticatorService.OPTIONS_CONTACTS_SYNC_ENABLED, contacts); 890 options.putBoolean(EasAuthenticatorService.OPTIONS_CALENDAR_SYNC_ENABLED, calendar); 891 options.putBoolean(EasAuthenticatorService.OPTIONS_EMAIL_SYNC_ENABLED, email); 892 String accountType = hostAuthRecv.mProtocol.equals("eas") ? 893 Email.EXCHANGE_ACCOUNT_MANAGER_TYPE : 894 Email.POP_IMAP_ACCOUNT_MANAGER_TYPE; 895 AccountManager.get(context).addAccount(accountType, null, null, options, null, callback, 896 null); 897 } 898} 899