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

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