src/com/owncloud/android/files/services/FileDownloader.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   Copyright (C) 2012 Bartek Przybylski
   5  *   Copyright (C) 2012-2015 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 package com.owncloud.android.files.services;
  22
  23 import java.io.File;
  24 import java.io.IOException;
  25 import java.util.AbstractList;
  26 import java.util.HashMap;
  27 import java.util.Iterator;
  28 import java.util.Map;
  29 import java.util.Vector;
  30
  31 import com.owncloud.android.MainApp;
  32 import com.owncloud.android.R;
  33 import com.owncloud.android.authentication.AccountUtils;
  34 import com.owncloud.android.authentication.AuthenticatorActivity;
  35 import com.owncloud.android.datamodel.FileDataStorageManager;
  36 import com.owncloud.android.datamodel.OCFile;
  37
  38 import com.owncloud.android.lib.common.network.OnDatatransferProgressListener;
  39 import com.owncloud.android.lib.common.OwnCloudAccount;
  40 import com.owncloud.android.lib.common.OwnCloudClient;
  41 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  42 import com.owncloud.android.notifications.NotificationBuilderWithProgressBar;
  43 import com.owncloud.android.notifications.NotificationDelayer;
  44 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  45 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  46 import com.owncloud.android.lib.common.utils.Log_OC;
  47 import com.owncloud.android.lib.resources.files.FileUtils;
  48 import com.owncloud.android.operations.DownloadFileOperation;
  49 import com.owncloud.android.ui.activity.FileActivity;
  50 import com.owncloud.android.ui.activity.FileDisplayActivity;
  51 import com.owncloud.android.ui.preview.PreviewImageActivity;
  52 import com.owncloud.android.ui.preview.PreviewImageFragment;
  53 import com.owncloud.android.utils.ErrorMessageAdapter;
  54
  55 import android.accounts.Account;
  56 import android.accounts.AccountManager;
  57 import android.accounts.AccountsException;
  58 import android.accounts.OnAccountsUpdateListener;
  59 import android.app.NotificationManager;
  60 import android.app.PendingIntent;
  61 import android.app.Service;
  62 import android.content.Intent;
  63 import android.os.Binder;
  64 import android.os.Handler;
  65 import android.os.HandlerThread;
  66 import android.os.IBinder;
  67 import android.os.Looper;
  68 import android.os.Message;
  69 import android.os.Process;
  70 import android.support.v4.app.NotificationCompat;
  71 import android.util.Pair;
  72
  73 public class FileDownloader extends Service
  74         implements OnDatatransferProgressListener, OnAccountsUpdateListener {
  75
  76     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  77     public static final String EXTRA_FILE = "FILE";
  78
  79     private static final String DOWNLOAD_ADDED_MESSAGE = "DOWNLOAD_ADDED";
  80     private static final String DOWNLOAD_FINISH_MESSAGE = "DOWNLOAD_FINISH";
  81     public static final String EXTRA_DOWNLOAD_RESULT = "RESULT";
  82     public static final String EXTRA_FILE_PATH = "FILE_PATH";
  83     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  84     public static final String EXTRA_LINKED_TO_PATH = "LINKED_TO";
  85     public static final String ACCOUNT_NAME = "ACCOUNT_NAME";
  86
  87     private static final String TAG = "FileDownloader";
  88
  89     private Looper mServiceLooper;
  90     private ServiceHandler mServiceHandler;
  91     private IBinder mBinder;
  92     private OwnCloudClient mDownloadClient = null;
  93     private Account mCurrentAccount = null;
  94     private FileDataStorageManager mStorageManager;
  95
  96     private IndexedForest<DownloadFileOperation> mPendingDownloads = new IndexedForest<DownloadFileOperation>();
  97
  98     private DownloadFileOperation mCurrentDownload = null;
  99
 100     private NotificationManager mNotificationManager;
 101     private NotificationCompat.Builder mNotificationBuilder;
 102     private int mLastPercent;
 103
 104
 105     public static String getDownloadAddedMessage() {
 106         return FileDownloader.class.getName() + DOWNLOAD_ADDED_MESSAGE;
 107     }
 108
 109     public static String getDownloadFinishMessage() {
 110         return FileDownloader.class.getName() + DOWNLOAD_FINISH_MESSAGE;
 111     }
 112
 113     /**
 114      * Service initialization
 115      */
 116     @Override
 117     public void onCreate() {
 118         super.onCreate();
 119         Log_OC.d(TAG, "Creating service");
 120         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
 121         HandlerThread thread = new HandlerThread("FileDownloaderThread",
 122                 Process.THREAD_PRIORITY_BACKGROUND);
 123         thread.start();
 124         mServiceLooper = thread.getLooper();
 125         mServiceHandler = new ServiceHandler(mServiceLooper, this);
 126         mBinder = new FileDownloaderBinder();
 127
 128         // add AccountsUpdatedListener
 129         AccountManager am = AccountManager.get(getApplicationContext());
 130         am.addOnAccountsUpdatedListener(this, null, false);
 131     }
 132
 133
 134     /**
 135      * Service clean up
 136      */
 137     @Override
 138     public void onDestroy() {
 139         Log_OC.v(TAG, "Destroying service");
 140         mBinder = null;
 141         mServiceHandler = null;
 142         mServiceLooper.quit();
 143         mServiceLooper = null;
 144         mNotificationManager = null;
 145
 146         // remove AccountsUpdatedListener
 147         AccountManager am = AccountManager.get(getApplicationContext());
 148         am.removeOnAccountsUpdatedListener(this);
 149
 150         super.onDestroy();
 151     }
 152
 153
 154     /**
 155      * Entry point to add one or several files to the queue of downloads.
 156      *
 157      * New downloads are added calling to startService(), resulting in a call to this method.
 158      * This ensures the service will keep on working although the caller activity goes away.
 159      */
 160     @Override
 161     public int onStartCommand(Intent intent, int flags, int startId) {
 162         Log_OC.d(TAG, "Starting command with id " + startId);
 163
 164         if (!intent.hasExtra(EXTRA_ACCOUNT) ||
 165                 !intent.hasExtra(EXTRA_FILE)
 166                 ) {
 167             Log_OC.e(TAG, "Not enough information provided in intent");
 168             return START_NOT_STICKY;
 169         } else {
 170             final Account account = intent.getParcelableExtra(EXTRA_ACCOUNT);
 171             final OCFile file = intent.getParcelableExtra(EXTRA_FILE);
 172             AbstractList<String> requestedDownloads = new Vector<String>();
 173             try {
 174                 DownloadFileOperation newDownload = new DownloadFileOperation(account, file);
 175                 newDownload.addDatatransferProgressListener(this);
 176                 newDownload.addDatatransferProgressListener((FileDownloaderBinder) mBinder);
 177                 Pair<String, String> putResult = mPendingDownloads.putIfAbsent(
 178                         account, file.getRemotePath(), newDownload
 179                 );
 180                 String downloadKey = putResult.first;
 181                 requestedDownloads.add(downloadKey);
 182
 183                 // Store file on db with state 'downloading'
 184                     /*
 185                     TODO - check if helps with UI responsiveness,
 186                     letting only folders use FileDownloaderBinder to check
 187                     FileDataStorageManager storageManager =
 188                     new FileDataStorageManager(account, getContentResolver());
 189                     file.setDownloading(true);
 190                     storageManager.saveFile(file);
 191                     */
 192
 193                 sendBroadcastNewDownload(newDownload, putResult.second);
 194
 195             } catch (IllegalArgumentException e) {
 196                 Log_OC.e(TAG, "Not enough information provided in intent: " + e.getMessage());
 197                 return START_NOT_STICKY;
 198             }
 199
 200             if (requestedDownloads.size() > 0) {
 201                 Message msg = mServiceHandler.obtainMessage();
 202                 msg.arg1 = startId;
 203                 msg.obj = requestedDownloads;
 204                 mServiceHandler.sendMessage(msg);
 205             }
 206             //}
 207         }
 208
 209         return START_NOT_STICKY;
 210     }
 211
 212
 213     /**
 214      * Provides a binder object that clients can use to perform operations on the queue of downloads,
 215      * excepting the addition of new files.
 216      * <p/>
 217      * Implemented to perform cancellation, pause and resume of existing downloads.
 218      */
 219     @Override
 220     public IBinder onBind(Intent arg0) {
 221         return mBinder;
 222     }
 223
 224
 225     /**
 226      * Called when ALL the bound clients were onbound.
 227      */
 228     @Override
 229     public boolean onUnbind(Intent intent) {
 230         ((FileDownloaderBinder) mBinder).clearListeners();
 231         return false;   // not accepting rebinding (default behaviour)
 232     }
 233
 234     @Override
 235     public void onAccountsUpdated(Account[] accounts) {
 236          //review the current download and cancel it if its account doesn't exist
 237         if (mCurrentDownload != null &&
 238                 !AccountUtils.exists(mCurrentDownload.getAccount(), getApplicationContext())) {
 239             mCurrentDownload.cancel();
 240         }
 241         // The rest of downloads are cancelled when they try to start
 242     }
 243
 244
 245     /**
 246      * Binder to let client components to perform operations on the queue of downloads.
 247      * <p/>
 248      * It provides by itself the available operations.
 249      */
 250     public class FileDownloaderBinder extends Binder implements OnDatatransferProgressListener {
 251
 252         /**
 253          * Map of listeners that will be reported about progress of downloads from a
 254          * {@link FileDownloaderBinder}
 255          * instance.
 256          */
 257         private Map<Long, OnDatatransferProgressListener> mBoundListeners =
 258                 new HashMap<Long, OnDatatransferProgressListener>();
 259
 260
 261         /**
 262          * Cancels a pending or current download of a remote file.
 263          *
 264          * @param account ownCloud account where the remote file is stored.
 265          * @param file    A file in the queue of pending downloads
 266          */
 267         public void cancel(Account account, OCFile file) {
 268             Pair<DownloadFileOperation, String> removeResult = mPendingDownloads.remove(account, file.getRemotePath());
 269             DownloadFileOperation download = removeResult.first;
 270             if (download != null) {
 271                 download.cancel();
 272             } else {
 273                 if (mCurrentDownload != null && mCurrentAccount != null &&
 274                         mCurrentDownload.getRemotePath().startsWith(file.getRemotePath()) &&
 275                         account.name.equals(mCurrentAccount.name)) {
 276                     mCurrentDownload.cancel();
 277                 }
 278             }
 279         }
 280
 281         /**
 282          * Cancels all the downloads for an account
 283          *
 284          * @param account   ownCloud account.
 285          */
 286         public void cancel(Account account) {
 287             Log_OC.d(TAG, "Account= " + account.name);
 288
 289             if (mCurrentDownload != null) {
 290                 Log_OC.d(TAG, "Current Download Account= " + mCurrentDownload.getAccount().name);
 291                 if (mCurrentDownload.getAccount().name.equals(account.name)) {
 292                     mCurrentDownload.cancel();
 293                 }
 294             }
 295             // Cancel pending downloads
 296             cancelDownloadsForAccount(account);
 297         }
 298
 299         public void clearListeners() {
 300             mBoundListeners.clear();
 301         }
 302
 303
 304         /**
 305          * Returns True when the file described by 'file' in the ownCloud account 'account'
 306          * is downloading or waiting to download.
 307          *
 308          * If 'file' is a directory, returns 'true' if any of its descendant files is downloading or
 309          * waiting to download.
 310          *
 311          * @param account ownCloud account where the remote file is stored.
 312          * @param file    A file that could be in the queue of downloads.
 313          */
 314         public boolean isDownloading(Account account, OCFile file) {
 315             if (account == null || file == null) return false;
 316             return (mPendingDownloads.contains(account, file.getRemotePath()));
 317         }
 318
 319
 320         /**
 321          * Adds a listener interested in the progress of the download for a concrete file.
 322          *
 323          * @param listener Object to notify about progress of transfer.
 324          * @param account  ownCloud account holding the file of interest.
 325          * @param file     {@link OCFile} of interest for listener.
 326          */
 327         public void addDatatransferProgressListener(
 328                 OnDatatransferProgressListener listener, Account account, OCFile file
 329         ) {
 330             if (account == null || file == null || listener == null) return;
 331             mBoundListeners.put(file.getFileId(), listener);
 332         }
 333
 334
 335         /**
 336          * Removes a listener interested in the progress of the download for a concrete file.
 337          *
 338          * @param listener      Object to notify about progress of transfer.
 339          * @param account       ownCloud account holding the file of interest.
 340          * @param file          {@link OCFile} of interest for listener.
 341          */
 342         public void removeDatatransferProgressListener(
 343                 OnDatatransferProgressListener listener, Account account, OCFile file
 344         ) {
 345             if (account == null || file == null || listener == null) return;
 346             Long fileId = file.getFileId();
 347             if (mBoundListeners.get(fileId) == listener) {
 348                 mBoundListeners.remove(fileId);
 349             }
 350         }
 351
 352         @Override
 353         public void onTransferProgress(long progressRate, long totalTransferredSoFar,
 354                                        long totalToTransfer, String fileName) {
 355             OnDatatransferProgressListener boundListener =
 356                     mBoundListeners.get(mCurrentDownload.getFile().getFileId());
 357             if (boundListener != null) {
 358                 boundListener.onTransferProgress(progressRate, totalTransferredSoFar,
 359                         totalToTransfer, fileName);
 360             }
 361         }
 362
 363     }
 364
 365
 366     /**
 367      * Download worker. Performs the pending downloads in the order they were requested.
 368
 369      * Created with the Looper of a new thread, started in {@link FileUploader#onCreate()}.
 370      */
 371     private static class ServiceHandler extends Handler {
 372         // don't make it a final class, and don't remove the static ; lint will warn about a
 373         // possible memory leak
 374         FileDownloader mService;
 375
 376         public ServiceHandler(Looper looper, FileDownloader service) {
 377             super(looper);
 378             if (service == null)
 379                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 380             mService = service;
 381         }
 382
 383         @Override
 384         public void handleMessage(Message msg) {
 385             @SuppressWarnings("unchecked")
 386             AbstractList<String> requestedDownloads = (AbstractList<String>) msg.obj;
 387             if (msg.obj != null) {
 388                 Iterator<String> it = requestedDownloads.iterator();
 389                 while (it.hasNext()) {
 390                     String next = it.next();
 391                     mService.downloadFile(next);
 392                 }
 393             }
 394             Log_OC.d(TAG, "Stopping after command with id " + msg.arg1);
 395             mService.stopSelf(msg.arg1);
 396         }
 397     }
 398
 399
 400     /**
 401      * Core download method: requests a file to download and stores it.
 402      *
 403      * @param downloadKey Key to access the download to perform, contained in mPendingDownloads
 404      */
 405     private void downloadFile(String downloadKey) {
 406
 407         mCurrentDownload = mPendingDownloads.get(downloadKey);
 408
 409         if (mCurrentDownload != null) {
 410             // Detect if the account exists
 411             if (AccountUtils.exists(mCurrentDownload.getAccount(), getApplicationContext())) {
 412                 Log_OC.d(TAG, "Account " + mCurrentDownload.getAccount().name + " exists");
 413
 414                 notifyDownloadStart(mCurrentDownload);
 415
 416                 RemoteOperationResult downloadResult = null;
 417                 try {
 418                     /// prepare client object to send the request to the ownCloud server
 419                     if (mCurrentAccount == null ||
 420                             !mCurrentAccount.equals(mCurrentDownload.getAccount())) {
 421                         mCurrentAccount = mCurrentDownload.getAccount();
 422                         mStorageManager = new FileDataStorageManager(
 423                                 mCurrentAccount,
 424                                 getContentResolver()
 425                         );
 426                     }   // else, reuse storage manager from previous operation
 427
 428                     // always get client from client manager, to get fresh credentials in case
 429                     // of update
 430                     OwnCloudAccount ocAccount = new OwnCloudAccount(mCurrentAccount, this);
 431                     mDownloadClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 432                             getClientFor(ocAccount, this);
 433
 434
 435                     /// perform the download
 436                     downloadResult = mCurrentDownload.execute(mDownloadClient);
 437                     if (downloadResult.isSuccess()) {
 438                         saveDownloadedFile();
 439                     }
 440
 441                 } catch (AccountsException e) {
 442                     Log_OC.e(TAG, "Error while trying to get authorization for "
 443                             + mCurrentAccount.name, e);
 444                     downloadResult = new RemoteOperationResult(e);
 445                 } catch (IOException e) {
 446                     Log_OC.e(TAG, "Error while trying to get authorization for "
 447                             + mCurrentAccount.name, e);
 448                     downloadResult = new RemoteOperationResult(e);
 449
 450                 } finally {
 451                     Pair<DownloadFileOperation, String> removeResult =
 452                             mPendingDownloads.removePayload(mCurrentAccount,
 453                                     mCurrentDownload.getRemotePath());
 454
 455                     /// notify result
 456                     notifyDownloadResult(mCurrentDownload, downloadResult);
 457
 458                     sendBroadcastDownloadFinished(mCurrentDownload, downloadResult, removeResult.second);
 459                 }
 460
 461             } else {
 462                 // Cancel the transfer
 463                 Log_OC.d(TAG, "Account " + mCurrentDownload.getAccount().toString() +
 464                         " doesn't exist");
 465                 cancelDownloadsForAccount(mCurrentDownload.getAccount());
 466
 467             }
 468         }
 469     }
 470
 471
 472     /**
 473      * Updates the OC File after a successful download.
 474      */
 475     private void saveDownloadedFile() {
 476         OCFile file = mStorageManager.getFileById(mCurrentDownload.getFile().getFileId());
 477         long syncDate = System.currentTimeMillis();
 478         file.setLastSyncDateForProperties(syncDate);
 479         file.setLastSyncDateForData(syncDate);
 480         file.setNeedsUpdateThumbnail(true);
 481         file.setModificationTimestamp(mCurrentDownload.getModificationTimestamp());
 482         file.setModificationTimestampAtLastSyncForData(mCurrentDownload.getModificationTimestamp());
 483         // file.setEtag(mCurrentDownload.getEtag());    // TODO Etag, where available
 484         file.setMimetype(mCurrentDownload.getMimeType());
 485         file.setStoragePath(mCurrentDownload.getSavePath());
 486         file.setFileLength((new File(mCurrentDownload.getSavePath()).length()));
 487         file.setRemoteId(mCurrentDownload.getFile().getRemoteId());
 488         mStorageManager.saveFile(file);
 489         mStorageManager.triggerMediaScan(file.getStoragePath());
 490     }
 491
 492     /**
 493      * Update the OC File after a unsuccessful download
 494      */
 495     private void updateUnsuccessfulDownloadedFile() {
 496         OCFile file = mStorageManager.getFileById(mCurrentDownload.getFile().getFileId());
 497         file.setDownloading(false);
 498         mStorageManager.saveFile(file);
 499     }
 500
 501
 502     /**
 503      * Creates a status notification to show the download progress
 504      *
 505      * @param download Download operation starting.
 506      */
 507     private void notifyDownloadStart(DownloadFileOperation download) {
 508         /// create status notification with a progress bar
 509         mLastPercent = 0;
 510         mNotificationBuilder =
 511                 NotificationBuilderWithProgressBar.newNotificationBuilderWithProgressBar(this);
 512         mNotificationBuilder
 513                 .setSmallIcon(R.drawable.notification_icon)
 514                 .setTicker(getString(R.string.downloader_download_in_progress_ticker))
 515                 .setContentTitle(getString(R.string.downloader_download_in_progress_ticker))
 516                 .setOngoing(true)
 517                 .setProgress(100, 0, download.getSize() < 0)
 518                 .setContentText(
 519                         String.format(getString(R.string.downloader_download_in_progress_content), 0,
 520                                 new File(download.getSavePath()).getName())
 521                 );
 522
 523         /// includes a pending intent in the notification showing the details view of the file
 524         Intent showDetailsIntent = null;
 525         if (PreviewImageFragment.canBePreviewed(download.getFile())) {
 526             showDetailsIntent = new Intent(this, PreviewImageActivity.class);
 527         } else {
 528             showDetailsIntent = new Intent(this, FileDisplayActivity.class);
 529         }
 530         showDetailsIntent.putExtra(FileActivity.EXTRA_FILE, download.getFile());
 531         showDetailsIntent.putExtra(FileActivity.EXTRA_ACCOUNT, download.getAccount());
 532         showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 533
 534         mNotificationBuilder.setContentIntent(PendingIntent.getActivity(
 535                 this, (int) System.currentTimeMillis(), showDetailsIntent, 0
 536         ));
 537
 538         mNotificationManager.notify(R.string.downloader_download_in_progress_ticker, mNotificationBuilder.build());
 539     }
 540
 541
 542     /**
 543      * Callback method to update the progress bar in the status notification.
 544      */
 545     @Override
 546     public void onTransferProgress(long progressRate, long totalTransferredSoFar,
 547                                    long totalToTransfer, String filePath) {
 548         int percent = (int) (100.0 * ((double) totalTransferredSoFar) / ((double) totalToTransfer));
 549         if (percent != mLastPercent) {
 550             mNotificationBuilder.setProgress(100, percent, totalToTransfer < 0);
 551             String fileName = filePath.substring(filePath.lastIndexOf(FileUtils.PATH_SEPARATOR) + 1);
 552             String text = String.format(getString(R.string.downloader_download_in_progress_content), percent, fileName);
 553             mNotificationBuilder.setContentText(text);
 554             mNotificationManager.notify(R.string.downloader_download_in_progress_ticker, mNotificationBuilder.build());
 555         }
 556         mLastPercent = percent;
 557     }
 558
 559
 560     /**
 561      * Updates the status notification with the result of a download operation.
 562      *
 563      * @param downloadResult Result of the download operation.
 564      * @param download       Finished download operation
 565      */
 566     private void notifyDownloadResult(DownloadFileOperation download,
 567                                       RemoteOperationResult downloadResult) {
 568         mNotificationManager.cancel(R.string.downloader_download_in_progress_ticker);
 569         if (!downloadResult.isCancelled()) {
 570             int tickerId = (downloadResult.isSuccess()) ? R.string.downloader_download_succeeded_ticker :
 571                     R.string.downloader_download_failed_ticker;
 572
 573             boolean needsToUpdateCredentials = (
 574                     downloadResult.getCode() == ResultCode.UNAUTHORIZED ||
 575                             downloadResult.isIdPRedirection()
 576             );
 577             tickerId = (needsToUpdateCredentials) ?
 578                     R.string.downloader_download_failed_credentials_error : tickerId;
 579
 580             mNotificationBuilder
 581                     .setTicker(getString(tickerId))
 582                     .setContentTitle(getString(tickerId))
 583                     .setAutoCancel(true)
 584                     .setOngoing(false)
 585                     .setProgress(0, 0, false);
 586
 587             if (needsToUpdateCredentials) {
 588
 589                 // let the user update credentials with one click
 590                 Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
 591                 updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT,
 592                         download.getAccount());
 593                 updateAccountCredentials.putExtra(
 594                         AuthenticatorActivity.EXTRA_ACTION,
 595                         AuthenticatorActivity.ACTION_UPDATE_EXPIRED_TOKEN
 596                 );
 597                 updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 598                 updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
 599                 updateAccountCredentials.addFlags(Intent.FLAG_FROM_BACKGROUND);
 600                 mNotificationBuilder
 601                         .setContentIntent(PendingIntent.getActivity(
 602                                 this, (int) System.currentTimeMillis(), updateAccountCredentials,
 603                                 PendingIntent.FLAG_ONE_SHOT));
 604
 605             } else {
 606                 // TODO put something smart in showDetailsIntent
 607                 Intent showDetailsIntent = new Intent();
 608                 mNotificationBuilder
 609                         .setContentIntent(PendingIntent.getActivity(
 610                                 this, (int) System.currentTimeMillis(), showDetailsIntent, 0));
 611             }
 612
 613             mNotificationBuilder.setContentText(
 614                     ErrorMessageAdapter.getErrorCauseMessage(downloadResult, download,
 615                             getResources())
 616             );
 617             mNotificationManager.notify(tickerId, mNotificationBuilder.build());
 618
 619             // Remove success notification
 620             if (downloadResult.isSuccess()) {
 621                 // Sleep 2 seconds, so show the notification before remove it
 622                 NotificationDelayer.cancelWithDelay(
 623                         mNotificationManager,
 624                         R.string.downloader_download_succeeded_ticker,
 625                         2000);
 626             }
 627
 628         }
 629     }
 630
 631
 632     /**
 633      * Sends a broadcast when a download finishes in order to the interested activities can
 634      * update their view
 635      *
 636      * @param download               Finished download operation
 637      * @param downloadResult         Result of the download operation
 638      * @param unlinkedFromRemotePath Path in the downloads tree where the download was unlinked from
 639      */
 640     private void sendBroadcastDownloadFinished(
 641             DownloadFileOperation download,
 642             RemoteOperationResult downloadResult,
 643             String unlinkedFromRemotePath) {
 644
 645         Intent end = new Intent(getDownloadFinishMessage());
 646         end.putExtra(EXTRA_DOWNLOAD_RESULT, downloadResult.isSuccess());
 647         end.putExtra(ACCOUNT_NAME, download.getAccount().name);
 648         end.putExtra(EXTRA_REMOTE_PATH, download.getRemotePath());
 649         end.putExtra(EXTRA_FILE_PATH, download.getSavePath());
 650         if (unlinkedFromRemotePath != null) {
 651             end.putExtra(EXTRA_LINKED_TO_PATH, unlinkedFromRemotePath);
 652         }
 653         sendStickyBroadcast(end);
 654     }
 655
 656
 657     /**
 658      * Sends a broadcast when a new download is added to the queue.
 659      *
 660      * @param download           Added download operation
 661      * @param linkedToRemotePath Path in the downloads tree where the download was linked to
 662      */
 663     private void sendBroadcastNewDownload(DownloadFileOperation download,
 664                                           String linkedToRemotePath) {
 665         Intent added = new Intent(getDownloadAddedMessage());
 666         added.putExtra(ACCOUNT_NAME, download.getAccount().name);
 667         added.putExtra(EXTRA_REMOTE_PATH, download.getRemotePath());
 668         added.putExtra(EXTRA_FILE_PATH, download.getSavePath());
 669         added.putExtra(EXTRA_LINKED_TO_PATH, linkedToRemotePath);
 670         sendStickyBroadcast(added);
 671     }
 672
 673     /**
 674      * Remove downloads of an account
 675      *
 676      * @param account       Downloads account to remove
 677      */
 678     private void cancelDownloadsForAccount(Account account) {
 679         // Cancel pending downloads
 680         mPendingDownloads.remove(account);
 681     }
 682 }