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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012 Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   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.util.AbstractList;
  23 import java.util.Iterator;
  24 import java.util.Vector;
  25 import java.util.concurrent.ConcurrentHashMap;
  26 import java.util.concurrent.ConcurrentMap;
  27
  28 import org.apache.http.HttpStatus;
  29 import org.apache.jackrabbit.webdav.MultiStatus;
  30 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  31
  32 import com.owncloud.android.authenticator.AccountAuthenticator;
  33 import com.owncloud.android.datamodel.FileDataStorageManager;
  34 import com.owncloud.android.datamodel.OCFile;
  35 import com.owncloud.android.files.InstantUploadBroadcastReceiver;
  36 import com.owncloud.android.operations.ChunkedUploadFileOperation;
  37 import com.owncloud.android.operations.RemoteOperationResult;
  38 import com.owncloud.android.operations.UploadFileOperation;
  39 import com.owncloud.android.ui.activity.FileDetailActivity;
  40 import com.owncloud.android.ui.fragment.FileDetailFragment;
  41 import com.owncloud.android.utils.OwnCloudVersion;
  42
  43 import eu.alefzero.webdav.OnDatatransferProgressListener;
  44 import eu.alefzero.webdav.WebdavEntry;
  45 import eu.alefzero.webdav.WebdavUtils;
  46
  47 import com.owncloud.android.network.OwnCloudClientUtils;
  48
  49 import android.accounts.Account;
  50 import android.accounts.AccountManager;
  51 import android.app.Notification;
  52 import android.app.NotificationManager;
  53 import android.app.PendingIntent;
  54 import android.app.Service;
  55 import android.content.Intent;
  56 import android.os.Binder;
  57 import android.os.Handler;
  58 import android.os.HandlerThread;
  59 import android.os.IBinder;
  60 import android.os.Looper;
  61 import android.os.Message;
  62 import android.os.Process;
  63 import android.util.Log;
  64 import android.webkit.MimeTypeMap;
  65 import android.widget.RemoteViews;
  66
  67 import com.owncloud.android.R;
  68 import eu.alefzero.webdav.WebdavClient;
  69
  70 public class FileUploader extends Service implements OnDatatransferProgressListener {
  71
  72     public static final String UPLOAD_FINISH_MESSAGE = "UPLOAD_FINISH";
  73     public static final String EXTRA_UPLOAD_RESULT = "RESULT";
  74     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  75     public static final String EXTRA_OLD_REMOTE_PATH = "OLD_REMOTE_PATH";
  76     public static final String EXTRA_FILE_PATH = "FILE_PATH";
  77     public static final String ACCOUNT_NAME = "ACCOUNT_NAME";
  78
  79     public static final String KEY_FILE = "FILE";
  80     public static final String KEY_LOCAL_FILE = "LOCAL_FILE";
  81     public static final String KEY_REMOTE_FILE = "REMOTE_FILE";
  82     public static final String KEY_MIME_TYPE = "MIME_TYPE";
  83
  84     public static final String KEY_ACCOUNT = "ACCOUNT";
  85
  86     public static final String KEY_UPLOAD_TYPE = "UPLOAD_TYPE";
  87     public static final String KEY_FORCE_OVERWRITE = "KEY_FORCE_OVERWRITE";
  88     public static final String KEY_INSTANT_UPLOAD = "INSTANT_UPLOAD";
  89
  90     public static final int UPLOAD_SINGLE_FILE = 0;
  91     public static final int UPLOAD_MULTIPLE_FILES = 1;
  92
  93     private static final String TAG = FileUploader.class.getSimpleName();
  94
  95     private Looper mServiceLooper;
  96     private ServiceHandler mServiceHandler;
  97     private IBinder mBinder;
  98     private WebdavClient mUploadClient = null;
  99     private Account mLastAccount = null;
 100     private FileDataStorageManager mStorageManager;
 101
 102     private ConcurrentMap<String, UploadFileOperation> mPendingUploads = new ConcurrentHashMap<String, UploadFileOperation>();
 103     private UploadFileOperation mCurrentUpload = null;
 104
 105     private NotificationManager mNotificationManager;
 106     private Notification mNotification;
 107     private int mLastPercent;
 108     private RemoteViews mDefaultNotificationContentView;
 109
 110
 111     /**
 112      * Builds a key for mPendingUploads from the account and file to upload
 113      *
 114      * @param account   Account where the file to download is stored
 115      * @param file      File to download
 116      */
 117     private String buildRemoteName(Account account, OCFile file) {
 118         return account.name + file.getRemotePath();
 119     }
 120
 121     private String buildRemoteName(Account account, String remotePath) {
 122         return account.name + remotePath;
 123     }
 124
 125
 126     /**
 127      * Checks if an ownCloud server version should support chunked uploads.
 128      *
 129      * @param version   OwnCloud version instance corresponding to an ownCloud server.
 130      * @return          'True' if the ownCloud server with version supports chunked uploads.
 131      */
 132     private static boolean chunkedUploadIsSupported(OwnCloudVersion version) {
 133         return (version != null && version.compareTo(OwnCloudVersion.owncloud_v4_5) >= 0);
 134     }
 135
 136
 137
 138     /**
 139      * Service initialization
 140      */
 141     @Override
 142     public void onCreate() {
 143         super.onCreate();
 144         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
 145         HandlerThread thread = new HandlerThread("FileUploaderThread",
 146                 Process.THREAD_PRIORITY_BACKGROUND);
 147         thread.start();
 148         mServiceLooper = thread.getLooper();
 149         mServiceHandler = new ServiceHandler(mServiceLooper, this);
 150         mBinder = new FileUploaderBinder();
 151     }
 152
 153
 154     /**
 155      * Entry point to add one or several files to the queue of uploads.
 156      *
 157      * New uploads are added calling to startService(), resulting in a call to this method. This ensures the service will keep on working
 158      * although the caller activity goes away.
 159      */
 160     @Override
 161     public int onStartCommand(Intent intent, int flags, int startId) {
 162         if (!intent.hasExtra(KEY_ACCOUNT) || !intent.hasExtra(KEY_UPLOAD_TYPE) || !(intent.hasExtra(KEY_LOCAL_FILE) || intent.hasExtra(KEY_FILE))) {
 163             Log.e(TAG, "Not enough information provided in intent");
 164             return Service.START_NOT_STICKY;
 165         }
 166         int uploadType = intent.getIntExtra(KEY_UPLOAD_TYPE, -1);
 167         if (uploadType == -1) {
 168             Log.e(TAG, "Incorrect upload type provided");
 169             return Service.START_NOT_STICKY;
 170         }
 171         Account account = intent.getParcelableExtra(KEY_ACCOUNT);
 172
 173         String[] localPaths = null, remotePaths = null, mimeTypes = null;
 174         OCFile[] files = null;
 175         if (uploadType == UPLOAD_SINGLE_FILE) {
 176
 177             if (intent.hasExtra(KEY_FILE)) {
 178                 files = new OCFile[] {intent.getParcelableExtra(KEY_FILE) };
 179
 180             } else {
 181                 localPaths = new String[] { intent.getStringExtra(KEY_LOCAL_FILE) };
 182                 remotePaths = new String[] { intent.getStringExtra(KEY_REMOTE_FILE) };
 183                 mimeTypes = new String[] { intent.getStringExtra(KEY_MIME_TYPE) };
 184             }
 185
 186         } else { // mUploadType == UPLOAD_MULTIPLE_FILES
 187
 188             if (intent.hasExtra(KEY_FILE)) {
 189                 files = (OCFile[]) intent.getParcelableArrayExtra(KEY_FILE);    // TODO will this casting work fine?
 190
 191             } else {
 192                 localPaths = intent.getStringArrayExtra(KEY_LOCAL_FILE);
 193                 remotePaths = intent.getStringArrayExtra(KEY_REMOTE_FILE);
 194                 mimeTypes = intent.getStringArrayExtra(KEY_MIME_TYPE);
 195             }
 196         }
 197
 198         FileDataStorageManager storageManager = new FileDataStorageManager(account, getContentResolver());
 199
 200         boolean forceOverwrite = intent.getBooleanExtra(KEY_FORCE_OVERWRITE, false);
 201         boolean isInstant = intent.getBooleanExtra(KEY_INSTANT_UPLOAD, false);
 202         boolean fixed = false;
 203         if (isInstant) {
 204             fixed = checkAndFixInstantUploadDirectory(storageManager);  // MUST be done BEFORE calling obtainNewOCFileToUpload
 205         }
 206
 207         if (intent.hasExtra(KEY_FILE) && files == null) {
 208             Log.e(TAG, "Incorrect array for OCFiles provided in upload intent");
 209             return Service.START_NOT_STICKY;
 210
 211         } else if (!intent.hasExtra(KEY_FILE)) {
 212             if (localPaths == null) {
 213                 Log.e(TAG, "Incorrect array for local paths provided in upload intent");
 214                 return Service.START_NOT_STICKY;
 215             }
 216             if (remotePaths == null) {
 217                 Log.e(TAG, "Incorrect array for remote paths provided in upload intent");
 218                 return Service.START_NOT_STICKY;
 219             }
 220             if (localPaths.length != remotePaths.length) {
 221                 Log.e(TAG, "Different number of remote paths and local paths!");
 222                 return Service.START_NOT_STICKY;
 223             }
 224
 225             files = new OCFile[localPaths.length];
 226             for (int i=0; i < localPaths.length; i++) {
 227                 files[i] = obtainNewOCFileToUpload(remotePaths[i], localPaths[i], ((mimeTypes!=null)?mimeTypes[i]:(String)null), storageManager);
 228             }
 229         }
 230
 231         OwnCloudVersion ocv = new OwnCloudVersion(AccountManager.get(this).getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 232         boolean chunked = FileUploader.chunkedUploadIsSupported(ocv);
 233         AbstractList<String> requestedUploads = new Vector<String>();
 234         String uploadKey = null;
 235         UploadFileOperation newUpload = null;
 236         try {
 237             for (int i=0; i < files.length; i++) {
 238                 uploadKey = buildRemoteName(account, files[i].getRemotePath());
 239                 if (chunked) {
 240                     newUpload = new ChunkedUploadFileOperation(account, files[i], isInstant, forceOverwrite, false);
 241                 } else {
 242                     newUpload = new UploadFileOperation(account, files[i], isInstant, forceOverwrite, false);
 243                 }
 244                 if (fixed && i==0) {
 245                     newUpload.setRemoteFolderToBeCreated();
 246                 }
 247                 mPendingUploads.putIfAbsent(uploadKey, newUpload);
 248                 newUpload.addDatatransferProgressListener(this);
 249                 requestedUploads.add(uploadKey);
 250             }
 251
 252         } catch (IllegalArgumentException e) {
 253             Log.e(TAG, "Not enough information provided in intent: " + e.getMessage());
 254             return START_NOT_STICKY;
 255
 256         } catch (IllegalStateException e) {
 257             Log.e(TAG, "Bad information provided in intent: " + e.getMessage());
 258             return START_NOT_STICKY;
 259
 260         } catch (Exception e) {
 261             Log.e(TAG, "Unexpected exception while processing upload intent", e);
 262             return START_NOT_STICKY;
 263
 264         }
 265
 266         if (requestedUploads.size() > 0) {
 267             Message msg = mServiceHandler.obtainMessage();
 268             msg.arg1 = startId;
 269             msg.obj = requestedUploads;
 270             mServiceHandler.sendMessage(msg);
 271         }
 272
 273         return Service.START_NOT_STICKY;
 274     }
 275
 276
 277     /**
 278      * Provides a binder object that clients can use to perform operations on the queue of uploads, excepting the addition of new files.
 279      *
 280      * Implemented to perform cancellation, pause and resume of existing uploads.
 281      */
 282     @Override
 283     public IBinder onBind(Intent arg0) {
 284         return mBinder;
 285     }
 286
 287     /**
 288      *  Binder to let client components to perform operations on the queue of uploads.
 289      *
 290      *  It provides by itself the available operations.
 291      */
 292     public class FileUploaderBinder extends Binder {
 293
 294         /**
 295          * Cancels a pending or current upload of a remote file.
 296          *
 297          * @param account       Owncloud account where the remote file will be stored.
 298          * @param file          A file in the queue of pending uploads
 299          */
 300         public void cancel(Account account, OCFile file) {
 301             UploadFileOperation upload = null;
 302             synchronized (mPendingUploads) {
 303                 upload = mPendingUploads.remove(buildRemoteName(account, file));
 304             }
 305             if (upload != null) {
 306                 upload.cancel();
 307             }
 308         }
 309
 310
 311         /**
 312          * Returns True when the file described by 'file' is being uploaded to the ownCloud account 'account' or waiting for it
 313          *
 314          * If 'file' is a directory, returns 'true' if some of its descendant files is downloading or waiting to download.
 315          *
 316          * @param account       Owncloud account where the remote file will be stored.
 317          * @param file          A file that could be in the queue of pending uploads
 318          */
 319         public boolean isUploading(Account account, OCFile file) {
 320             String targetKey = buildRemoteName(account, file);
 321             synchronized (mPendingUploads) {
 322                 if (file.isDirectory()) {
 323                     // this can be slow if there are many downloads :(
 324                     Iterator<String> it = mPendingUploads.keySet().iterator();
 325                     boolean found = false;
 326                     while (it.hasNext() && !found) {
 327                         found = it.next().startsWith(targetKey);
 328                     }
 329                     return found;
 330                 } else {
 331                     return (mPendingUploads.containsKey(targetKey));
 332                 }
 333             }
 334         }
 335     }
 336
 337
 338
 339
 340     /**
 341      * Upload worker. Performs the pending uploads in the order they were requested.
 342      *
 343      * Created with the Looper of a new thread, started in {@link FileUploader#onCreate()}.
 344      */
 345     private static class ServiceHandler extends Handler {
 346         // don't make it a final class, and don't remove the static ; lint will warn about a possible memory leak
 347         FileUploader mService;
 348         public ServiceHandler(Looper looper, FileUploader service) {
 349             super(looper);
 350             if (service == null)
 351                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 352             mService = service;
 353         }
 354
 355         @Override
 356         public void handleMessage(Message msg) {
 357             @SuppressWarnings("unchecked")
 358             AbstractList<String> requestedUploads = (AbstractList<String>) msg.obj;
 359             if (msg.obj != null) {
 360                 Iterator<String> it = requestedUploads.iterator();
 361                 while (it.hasNext()) {
 362                     mService.uploadFile(it.next());
 363                 }
 364             }
 365             mService.stopSelf(msg.arg1);
 366         }
 367     }
 368
 369
 370
 371
 372     /**
 373      * Core upload method: sends the file(s) to upload
 374      *
 375      * @param uploadKey   Key to access the upload to perform, contained in mPendingUploads
 376      */
 377     public void uploadFile(String uploadKey) {
 378
 379         synchronized(mPendingUploads) {
 380             mCurrentUpload = mPendingUploads.get(uploadKey);
 381         }
 382
 383         if (mCurrentUpload != null) {
 384
 385             notifyUploadStart(mCurrentUpload);
 386
 387
 388             /// prepare client object to send requests to the ownCloud server
 389             if (mUploadClient == null || !mLastAccount.equals(mCurrentUpload.getAccount())) {
 390                 mLastAccount = mCurrentUpload.getAccount();
 391                 mStorageManager = new FileDataStorageManager(mLastAccount, getContentResolver());
 392                 mUploadClient = OwnCloudClientUtils.createOwnCloudClient(mLastAccount, getApplicationContext());
 393             }
 394
 395             /// create remote folder for instant uploads
 396             if (mCurrentUpload.isRemoteFolderToBeCreated()) {
 397                 mUploadClient.createDirectory(InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR);    // ignoring result; fail could just mean that it already exists, but local database is not synchronized; the upload will be tried anyway
 398             }
 399
 400
 401             /// perform the upload
 402             RemoteOperationResult uploadResult = null;
 403             try {
 404                 uploadResult = mCurrentUpload.execute(mUploadClient);
 405                 if (uploadResult.isSuccess()) {
 406                     saveUploadedFile();
 407                 }
 408
 409             } finally {
 410                 synchronized(mPendingUploads) {
 411                     mPendingUploads.remove(uploadKey);
 412                 }
 413             }
 414
 415             /// notify result
 416             notifyUploadResult(uploadResult, mCurrentUpload);
 417
 418             sendFinalBroadcast(mCurrentUpload, uploadResult);
 419
 420         }
 421
 422     }
 423
 424     /**
 425      * Saves a OC File after a successful upload.
 426      *
 427      * A PROPFIND is necessary to keep the props in the local database synchronized with the server,
 428      * specially the modification time and Etag (where available)
 429      *
 430      * TODO refactor this ugly thing
 431      */
 432     private void saveUploadedFile() {
 433         OCFile file = mCurrentUpload.getFile();
 434         long syncDate = System.currentTimeMillis();
 435         file.setLastSyncDateForData(syncDate);
 436
 437         /// new PROPFIND to keep data consistent with server in theory, should return the same we already have
 438         PropFindMethod propfind = null;
 439         RemoteOperationResult result = null;
 440         try {
 441           propfind = new PropFindMethod(mUploadClient.getBaseUri() + WebdavUtils.encodePath(mCurrentUpload.getRemotePath()));
 442           int status = mUploadClient.executeMethod(propfind);
 443           boolean isMultiStatus = (status == HttpStatus.SC_MULTI_STATUS);
 444           if (isMultiStatus) {
 445               MultiStatus resp = propfind.getResponseBodyAsMultiStatus();
 446               WebdavEntry we = new WebdavEntry(resp.getResponses()[0],
 447                                                mUploadClient.getBaseUri().getPath());
 448               updateOCFile(file, we);
 449               file.setLastSyncDateForProperties(syncDate);
 450
 451           } else {
 452               mUploadClient.exhaustResponse(propfind.getResponseBodyAsStream());
 453           }
 454
 455           result = new RemoteOperationResult(isMultiStatus, status);
 456           Log.i(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": " + result.getLogMessage());
 457
 458         } catch (Exception e) {
 459             result = new RemoteOperationResult(e);
 460             Log.e(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": " + result.getLogMessage(), e);
 461
 462         } finally {
 463             if (propfind != null)
 464                 propfind.releaseConnection();
 465         }
 466
 467         /// maybe this would be better as part of UploadFileOperation... or maybe all this method
 468         if (mCurrentUpload.wasRenamed()) {
 469             OCFile oldFile = mCurrentUpload.getOldFile();
 470             if (oldFile.fileExists()) {
 471                 // the upload was the result of a conflict resolved with 'Keep both' by the user
 472                 /*File localFile = new File(file.getStoragePath());
 473                 File newLocalFile = new File(FileStorageUtils.getDefaultSavePathFor(mCurrentUpload.getAccount().name, file));
 474                 boolean renameSuccessed = localFile.renameTo(newLocalFile);
 475                 if (renameSuccessed) {
 476                     file.setStoragePath(newLocalFile.getAbsolutePath());
 477
 478                 } else {
 479                     // poor solution
 480                     Log.d(TAG, "DAMN IT: local rename failed after uploading a file with a new name already existing both in the remote account and the local database (should be due to a conflict solved with 'keep both'");
 481                     file.setStoragePath(null);
 482                         // not so fine:
 483                         //      - local file will be kept there as 'trash' until is download (and overwritten) again from the server;
 484                         //      - user will see as 'not down' a file that was just upload
 485                         // BUT:
 486                         //      - no loss of data happened
 487                         //      - when the user downloads again the renamed and original file from the server, local file names and contents will be correctly synchronized with names and contents in server
 488                 }*/
 489                 if (oldFile.isDown()) {
 490                     File oldLocalFile = new File(oldFile.getStoragePath());
 491                     oldLocalFile.delete();  // the RemoteFileOperation copied and renamed it! // TODO launch the 'Keep both' option with mMove set 'ture'
 492                 }
 493                 oldFile.setStoragePath(null);
 494                 mStorageManager.saveFile(oldFile);
 495
 496             } // else: it was just an automatic renaming due to a name coincidence; nothing else is needed, the storagePath is right in the instance returned by mCurrentUpload.getFile()
 497         }
 498
 499         mStorageManager.saveFile(file);
 500     }
 501
 502
 503     private void updateOCFile(OCFile file, WebdavEntry we) {
 504         file.setCreationTimestamp(we.createTimestamp());
 505         file.setFileLength(we.contentLength());
 506         file.setMimetype(we.contentType());
 507         file.setModificationTimestamp(we.modifiedTimesamp());
 508         // file.setEtag(mCurrentDownload.getEtag());    // TODO Etag, where available
 509     }
 510
 511
 512     private boolean checkAndFixInstantUploadDirectory(FileDataStorageManager storageManager) {
 513         OCFile instantUploadDir = storageManager.getFileByPath(InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR);
 514         if (instantUploadDir == null) {
 515             // first instant upload in the account, or never account not synchronized after the remote InstantUpload folder was created
 516             OCFile newDir = new OCFile(InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR);
 517             newDir.setMimetype("DIR");
 518             newDir.setParentId(storageManager.getFileByPath(OCFile.PATH_SEPARATOR).getFileId());
 519             storageManager.saveFile(newDir);
 520             return true;
 521         }
 522         return false;
 523     }
 524
 525
 526     private OCFile obtainNewOCFileToUpload(String remotePath, String localPath, String mimeType, FileDataStorageManager storageManager) {
 527         OCFile newFile = new OCFile(remotePath);
 528         newFile.setStoragePath(localPath);
 529         newFile.setLastSyncDateForProperties(0);
 530         newFile.setLastSyncDateForData(0);
 531
 532         // size
 533         if (localPath != null && localPath.length() > 0) {
 534             File localFile = new File(localPath);
 535             newFile.setFileLength(localFile.length());
 536             newFile.setLastSyncDateForData(localFile.lastModified());
 537         }   // don't worry about not assigning size, the problems with localPath are checked when the UploadFileOperation instance is created
 538
 539         // MIME type
 540         if (mimeType == null || mimeType.length() <= 0) {
 541             try {
 542                 mimeType = MimeTypeMap.getSingleton()
 543                     .getMimeTypeFromExtension(
 544                             remotePath.substring(remotePath.lastIndexOf('.') + 1));
 545             } catch (IndexOutOfBoundsException e) {
 546                 Log.e(TAG, "Trying to find out MIME type of a file without extension: " + remotePath);
 547             }
 548         }
 549         if (mimeType == null) {
 550             mimeType = "application/octet-stream";
 551         }
 552         newFile.setMimetype(mimeType);
 553
 554         // parent dir
 555         String parentPath = new File(remotePath).getParent();
 556         parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR ;
 557         OCFile parentDir = storageManager.getFileByPath(parentPath);
 558         if (parentDir == null) {
 559             throw new IllegalStateException("Can not upload a file to a non existing remote location: " + parentPath);
 560         }
 561         long parentDirId = parentDir.getFileId();
 562         newFile.setParentId(parentDirId);
 563         return newFile;
 564     }
 565
 566
 567     /**
 568      * Creates a status notification to show the upload progress
 569      *
 570      * @param upload    Upload operation starting.
 571      */
 572     private void notifyUploadStart(UploadFileOperation upload) {
 573         /// create status notification with a progress bar
 574         mLastPercent = 0;
 575         mNotification = new Notification(R.drawable.icon, getString(R.string.uploader_upload_in_progress_ticker), System.currentTimeMillis());
 576         mNotification.flags |= Notification.FLAG_ONGOING_EVENT;
 577         mDefaultNotificationContentView = mNotification.contentView;
 578         mNotification.contentView = new RemoteViews(getApplicationContext().getPackageName(), R.layout.progressbar_layout);
 579         mNotification.contentView.setProgressBar(R.id.status_progress, 100, 0, false);
 580         mNotification.contentView.setTextViewText(R.id.status_text, String.format(getString(R.string.uploader_upload_in_progress_content), 0, new File(upload.getStoragePath()).getName()));
 581         mNotification.contentView.setImageViewResource(R.id.status_icon, R.drawable.icon);
 582
 583         /// includes a pending intent in the notification showing the details view of the file
 584         Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
 585         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, upload.getFile());
 586         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, upload.getAccount());
 587         showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 588         mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), (int)System.currentTimeMillis(), showDetailsIntent, 0);
 589
 590         mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification);
 591     }
 592
 593
 594     /**
 595      * Callback method to update the progress bar in the status notification
 596      */
 597     @Override
 598     public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String fileName) {
 599         int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 600         if (percent != mLastPercent) {
 601             mNotification.contentView.setProgressBar(R.id.status_progress, 100, percent, false);
 602             String text = String.format(getString(R.string.uploader_upload_in_progress_content), percent, fileName);
 603             mNotification.contentView.setTextViewText(R.id.status_text, text);
 604             mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification);
 605         }
 606         mLastPercent = percent;
 607     }
 608
 609
 610     /**
 611      * Callback method to update the progress bar in the status notification  (old version)
 612      */
 613     @Override
 614     public void onTransferProgress(long progressRate) {
 615         // NOTHING TO DO HERE ANYMORE
 616     }
 617
 618
 619     /**
 620      * Updates the status notification with the result of an upload operation.
 621      *
 622      * @param uploadResult    Result of the upload operation.
 623      * @param upload          Finished upload operation
 624      */
 625     private void notifyUploadResult(RemoteOperationResult uploadResult, UploadFileOperation upload) {
 626         if (uploadResult.isCancelled()) {
 627             /// cancelled operation -> silent removal of progress notification
 628             mNotificationManager.cancel(R.string.uploader_upload_in_progress_ticker);
 629
 630         } else if (uploadResult.isSuccess()) {
 631             /// success -> silent update of progress notification to success message
 632             mNotification.flags ^= Notification.FLAG_ONGOING_EVENT; // remove the ongoing flag
 633             mNotification.flags |= Notification.FLAG_AUTO_CANCEL;
 634             mNotification.contentView = mDefaultNotificationContentView;
 635
 636             /// includes a pending intent in the notification showing the details view of the file
 637             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
 638             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, upload.getFile());
 639             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, upload.getAccount());
 640             showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 641             mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), (int)System.currentTimeMillis(), showDetailsIntent, 0);
 642
 643             mNotification.setLatestEventInfo(   getApplicationContext(),
 644                                                 getString(R.string.uploader_upload_succeeded_ticker),
 645                                                 String.format(getString(R.string.uploader_upload_succeeded_content_single), (new File(upload.getStoragePath())).getName()),
 646                                                 mNotification.contentIntent);
 647
 648             mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification);    // NOT AN ERROR; uploader_upload_in_progress_ticker is the target, not a new notification
 649
 650             /* Notification about multiple uploads: pending of update
 651             mNotification.setLatestEventInfo(   getApplicationContext(),
 652                                                     getString(R.string.uploader_upload_succeeded_ticker),
 653                                                     String.format(getString(R.string.uploader_upload_succeeded_content_multiple), mSuccessCounter),
 654                                                     mNotification.contentIntent);
 655              */
 656
 657         } else {
 658             /// fail -> explicit failure notification
 659             mNotificationManager.cancel(R.string.uploader_upload_in_progress_ticker);
 660             Notification finalNotification = new Notification(R.drawable.icon, getString(R.string.uploader_upload_failed_ticker), System.currentTimeMillis());
 661             finalNotification.flags |= Notification.FLAG_AUTO_CANCEL;
 662             // TODO put something smart in the contentIntent below
 663             finalNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), (int)System.currentTimeMillis(), new Intent(), 0);
 664             finalNotification.setLatestEventInfo(   getApplicationContext(),
 665                                                     getString(R.string.uploader_upload_failed_ticker),
 666                                                     String.format(getString(R.string.uploader_upload_failed_content_single), (new File(upload.getStoragePath())).getName()),
 667                                                     finalNotification.contentIntent);
 668
 669             mNotificationManager.notify(R.string.uploader_upload_failed_ticker, finalNotification);
 670
 671             /* Notification about multiple uploads failure: pending of update
 672             finalNotification.setLatestEventInfo(   getApplicationContext(),
 673                                                         getString(R.string.uploader_upload_failed_ticker),
 674                                                         String.format(getString(R.string.uploader_upload_failed_content_multiple), mSuccessCounter, mTotalFilesToSend),
 675                                                         finalNotification.contentIntent);
 676             } */
 677         }
 678
 679     }
 680
 681
 682     /**
 683      * Sends a broadcast in order to the interested activities can update their view
 684      *
 685      * @param upload          Finished upload operation
 686      * @param uploadResult    Result of the upload operation
 687      */
 688     private void sendFinalBroadcast(UploadFileOperation upload, RemoteOperationResult uploadResult) {
 689         Intent end = new Intent(UPLOAD_FINISH_MESSAGE);
 690         end.putExtra(EXTRA_REMOTE_PATH, upload.getRemotePath());    // real remote path, after possible automatic renaming
 691         if (upload.wasRenamed()) {
 692             end.putExtra(EXTRA_OLD_REMOTE_PATH, upload.getOldFile().getRemotePath());
 693         }
 694         end.putExtra(EXTRA_FILE_PATH, upload.getStoragePath());
 695         end.putExtra(ACCOUNT_NAME, upload.getAccount().name);
 696         end.putExtra(EXTRA_UPLOAD_RESULT, uploadResult.isSuccess());
 697         sendStickyBroadcast(end);
 698     }
 699
 700
 701 }