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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012 Bartek Przybylski
   3  *   Copyright (C) 2012-2013 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 as published by
   7  *   the Free Software Foundation, either version 2 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 package com.owncloud.android.files.services;
  21
  22 import java.io.File;
  23 import java.util.AbstractList;
  24 import java.util.Iterator;
  25 import java.util.Vector;
  26 import java.util.concurrent.ConcurrentHashMap;
  27 import java.util.concurrent.ConcurrentMap;
  28
  29 import org.apache.http.HttpStatus;
  30 import org.apache.jackrabbit.webdav.MultiStatus;
  31 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  32
  33 import android.accounts.Account;
  34 import android.accounts.AccountManager;
  35 import android.app.Notification;
  36 import android.app.NotificationManager;
  37 import android.app.PendingIntent;
  38 import android.app.Service;
  39 import android.content.Intent;
  40 import android.os.Binder;
  41 import android.os.Handler;
  42 import android.os.HandlerThread;
  43 import android.os.IBinder;
  44 import android.os.Looper;
  45 import android.os.Message;
  46 import android.os.Process;
  47 import android.util.Log;
  48 import android.webkit.MimeTypeMap;
  49 import android.widget.RemoteViews;
  50 import android.widget.Toast;
  51
  52 import com.owncloud.android.R;
  53 import com.owncloud.android.authenticator.AccountAuthenticator;
  54 import com.owncloud.android.datamodel.FileDataStorageManager;
  55 import com.owncloud.android.datamodel.OCFile;
  56 import com.owncloud.android.db.DbHandler;
  57 import com.owncloud.android.files.InstantUploadBroadcastReceiver;
  58 import com.owncloud.android.network.OwnCloudClientUtils;
  59 import com.owncloud.android.operations.ChunkedUploadFileOperation;
  60 import com.owncloud.android.operations.RemoteOperationResult;
  61 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  62 import com.owncloud.android.operations.UploadFileOperation;
  63 import com.owncloud.android.ui.activity.FileDetailActivity;
  64 import com.owncloud.android.ui.activity.InstantUploadActivity;
  65 import com.owncloud.android.ui.fragment.FileDetailFragment;
  66 import com.owncloud.android.utils.OwnCloudVersion;
  67
  68 import eu.alefzero.webdav.OnDatatransferProgressListener;
  69 import eu.alefzero.webdav.WebdavClient;
  70 import eu.alefzero.webdav.WebdavEntry;
  71 import eu.alefzero.webdav.WebdavUtils;
  72
  73 public class FileUploader extends Service implements OnDatatransferProgressListener {
  74
  75     public static final String UPLOAD_FINISH_MESSAGE = "UPLOAD_FINISH";
  76     public static final String EXTRA_UPLOAD_RESULT = "RESULT";
  77     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  78     public static final String EXTRA_OLD_REMOTE_PATH = "OLD_REMOTE_PATH";
  79     public static final String EXTRA_OLD_FILE_PATH = "OLD_FILE_PATH";
  80     public static final String ACCOUNT_NAME = "ACCOUNT_NAME";
  81
  82     public static final String KEY_FILE = "FILE";
  83     public static final String KEY_LOCAL_FILE = "LOCAL_FILE";
  84     public static final String KEY_REMOTE_FILE = "REMOTE_FILE";
  85     public static final String KEY_MIME_TYPE = "MIME_TYPE";
  86
  87     public static final String KEY_ACCOUNT = "ACCOUNT";
  88
  89     public static final String KEY_UPLOAD_TYPE = "UPLOAD_TYPE";
  90     public static final String KEY_FORCE_OVERWRITE = "KEY_FORCE_OVERWRITE";
  91     public static final String KEY_INSTANT_UPLOAD = "INSTANT_UPLOAD";
  92     public static final String KEY_LOCAL_BEHAVIOUR = "BEHAVIOUR";
  93
  94     public static final int LOCAL_BEHAVIOUR_COPY = 0;
  95     public static final int LOCAL_BEHAVIOUR_MOVE = 1;
  96     public static final int LOCAL_BEHAVIOUR_FORGET = 2;
  97
  98     public static final int UPLOAD_SINGLE_FILE = 0;
  99     public static final int UPLOAD_MULTIPLE_FILES = 1;
 100
 101     private static final String TAG = FileUploader.class.getSimpleName();
 102
 103     private Looper mServiceLooper;
 104     private ServiceHandler mServiceHandler;
 105     private IBinder mBinder;
 106     private WebdavClient mUploadClient = null;
 107     private Account mLastAccount = null;
 108     private FileDataStorageManager mStorageManager;
 109
 110     private ConcurrentMap<String, UploadFileOperation> mPendingUploads = new ConcurrentHashMap<String, UploadFileOperation>();
 111     private UploadFileOperation mCurrentUpload = null;
 112
 113     private NotificationManager mNotificationManager;
 114     private Notification mNotification;
 115     private int mLastPercent;
 116     private RemoteViews mDefaultNotificationContentView;
 117
 118     /**
 119      * Builds a key for mPendingUploads from the account and file to upload
 120      *
 121      * @param account Account where the file to download is stored
 122      * @param file File to download
 123      */
 124     private String buildRemoteName(Account account, OCFile file) {
 125         return account.name + file.getRemotePath();
 126     }
 127
 128     private String buildRemoteName(Account account, String remotePath) {
 129         return account.name + remotePath;
 130     }
 131
 132     /**
 133      * Checks if an ownCloud server version should support chunked uploads.
 134      *
 135      * @param version OwnCloud version instance corresponding to an ownCloud
 136      *            server.
 137      * @return 'True' if the ownCloud server with version supports chunked
 138      *         uploads.
 139      */
 140     private static boolean chunkedUploadIsSupported(OwnCloudVersion version) {
 141         return (version != null && version.compareTo(OwnCloudVersion.owncloud_v4_5) >= 0);
 142     }
 143
 144     /**
 145      * Service initialization
 146      */
 147     @Override
 148     public void onCreate() {
 149         super.onCreate();
 150         Log.i(TAG, "mPendingUploads size:" + mPendingUploads.size());
 151         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
 152         HandlerThread thread = new HandlerThread("FileUploaderThread", Process.THREAD_PRIORITY_BACKGROUND);
 153         thread.start();
 154         mServiceLooper = thread.getLooper();
 155         mServiceHandler = new ServiceHandler(mServiceLooper, this);
 156         mBinder = new FileUploaderBinder();
 157     }
 158
 159     /**
 160      * Entry point to add one or several files to the queue of uploads.
 161      *
 162      * New uploads are added calling to startService(), resulting in a call to
 163      * this method. This ensures the service will keep on working although the
 164      * caller activity goes away.
 165      */
 166     @Override
 167     public int onStartCommand(Intent intent, int flags, int startId) {
 168         if (!intent.hasExtra(KEY_ACCOUNT) || !intent.hasExtra(KEY_UPLOAD_TYPE)
 169                 || !(intent.hasExtra(KEY_LOCAL_FILE) || intent.hasExtra(KEY_FILE))) {
 170             Log.e(TAG, "Not enough information provided in intent");
 171             return Service.START_NOT_STICKY;
 172         }
 173         int uploadType = intent.getIntExtra(KEY_UPLOAD_TYPE, -1);
 174         if (uploadType == -1) {
 175             Log.e(TAG, "Incorrect upload type provided");
 176             return Service.START_NOT_STICKY;
 177         }
 178         Account account = intent.getParcelableExtra(KEY_ACCOUNT);
 179
 180         String[] localPaths = null, remotePaths = null, mimeTypes = null;
 181         OCFile[] files = null;
 182         if (uploadType == UPLOAD_SINGLE_FILE) {
 183
 184             if (intent.hasExtra(KEY_FILE)) {
 185                 files = new OCFile[] { intent.getParcelableExtra(KEY_FILE) };
 186
 187             } else {
 188                 localPaths = new String[] { intent.getStringExtra(KEY_LOCAL_FILE) };
 189                 remotePaths = new String[] { intent.getStringExtra(KEY_REMOTE_FILE) };
 190                 mimeTypes = new String[] { intent.getStringExtra(KEY_MIME_TYPE) };
 191             }
 192
 193         } else { // mUploadType == UPLOAD_MULTIPLE_FILES
 194
 195             if (intent.hasExtra(KEY_FILE)) {
 196                 files = (OCFile[]) intent.getParcelableArrayExtra(KEY_FILE); // TODO
 197                                                                              // will
 198                                                                              // this
 199                                                                              // casting
 200                                                                              // work
 201                                                                              // fine?
 202
 203             } else {
 204                 localPaths = intent.getStringArrayExtra(KEY_LOCAL_FILE);
 205                 remotePaths = intent.getStringArrayExtra(KEY_REMOTE_FILE);
 206                 mimeTypes = intent.getStringArrayExtra(KEY_MIME_TYPE);
 207             }
 208         }
 209
 210         FileDataStorageManager storageManager = new FileDataStorageManager(account, getContentResolver());
 211
 212         boolean forceOverwrite = intent.getBooleanExtra(KEY_FORCE_OVERWRITE, false);
 213         boolean isInstant = intent.getBooleanExtra(KEY_INSTANT_UPLOAD, false);
 214         int localAction = intent.getIntExtra(KEY_LOCAL_BEHAVIOUR, LOCAL_BEHAVIOUR_COPY);
 215         boolean fixed = false;
 216         if (isInstant) {
 217             fixed = checkAndFixInstantUploadDirectory(storageManager); // MUST
 218                                                                        // be
 219                                                                        // done
 220                                                                        // BEFORE
 221                                                                        // calling
 222                                                                        // obtainNewOCFileToUpload
 223         }
 224
 225         if (intent.hasExtra(KEY_FILE) && files == null) {
 226             Log.e(TAG, "Incorrect array for OCFiles provided in upload intent");
 227             return Service.START_NOT_STICKY;
 228
 229         } else if (!intent.hasExtra(KEY_FILE)) {
 230             if (localPaths == null) {
 231                 Log.e(TAG, "Incorrect array for local paths provided in upload intent");
 232                 return Service.START_NOT_STICKY;
 233             }
 234             if (remotePaths == null) {
 235                 Log.e(TAG, "Incorrect array for remote paths provided in upload intent");
 236                 return Service.START_NOT_STICKY;
 237             }
 238             if (localPaths.length != remotePaths.length) {
 239                 Log.e(TAG, "Different number of remote paths and local paths!");
 240                 return Service.START_NOT_STICKY;
 241             }
 242
 243             files = new OCFile[localPaths.length];
 244             for (int i = 0; i < localPaths.length; i++) {
 245                 files[i] = obtainNewOCFileToUpload(remotePaths[i], localPaths[i], ((mimeTypes != null) ? mimeTypes[i]
 246                         : (String) null), storageManager);
 247                 if (files[i] == null) {
 248                     // TODO @andromaex add failure Notiification
 249                     return Service.START_NOT_STICKY;
 250                 }
 251             }
 252         }
 253
 254         OwnCloudVersion ocv = new OwnCloudVersion(AccountManager.get(this).getUserData(account,
 255                 AccountAuthenticator.KEY_OC_VERSION));
 256         boolean chunked = FileUploader.chunkedUploadIsSupported(ocv);
 257         AbstractList<String> requestedUploads = new Vector<String>();
 258         String uploadKey = null;
 259         UploadFileOperation newUpload = null;
 260         try {
 261             for (int i = 0; i < files.length; i++) {
 262                 uploadKey = buildRemoteName(account, files[i].getRemotePath());
 263                 if (chunked) {
 264                     newUpload = new ChunkedUploadFileOperation(account, files[i], isInstant, forceOverwrite,
 265                             localAction);
 266                 } else {
 267                     newUpload = new UploadFileOperation(account, files[i], isInstant, forceOverwrite, localAction);
 268                 }
 269                 if (fixed && i == 0) {
 270                     newUpload.setRemoteFolderToBeCreated();
 271                 }
 272                 mPendingUploads.putIfAbsent(uploadKey, newUpload);
 273                 newUpload.addDatatransferProgressListener(this);
 274                 requestedUploads.add(uploadKey);
 275             }
 276
 277         } catch (IllegalArgumentException e) {
 278             Log.e(TAG, "Not enough information provided in intent: " + e.getMessage());
 279             return START_NOT_STICKY;
 280
 281         } catch (IllegalStateException e) {
 282             Log.e(TAG, "Bad information provided in intent: " + e.getMessage());
 283             return START_NOT_STICKY;
 284
 285         } catch (Exception e) {
 286             Log.e(TAG, "Unexpected exception while processing upload intent", e);
 287             return START_NOT_STICKY;
 288
 289         }
 290
 291         if (requestedUploads.size() > 0) {
 292             Message msg = mServiceHandler.obtainMessage();
 293             msg.arg1 = startId;
 294             msg.obj = requestedUploads;
 295             mServiceHandler.sendMessage(msg);
 296         }
 297         Log.i(TAG, "mPendingUploads size:" + mPendingUploads.size());
 298         return Service.START_NOT_STICKY;
 299     }
 300
 301     /**
 302      * Provides a binder object that clients can use to perform operations on
 303      * the queue of uploads, excepting the addition of new files.
 304      *
 305      * Implemented to perform cancellation, pause and resume of existing
 306      * uploads.
 307      */
 308     @Override
 309     public IBinder onBind(Intent arg0) {
 310         return mBinder;
 311     }
 312
 313     /**
 314      * Binder to let client components to perform operations on the queue of
 315      * uploads.
 316      *
 317      * It provides by itself the available operations.
 318      */
 319     public class FileUploaderBinder extends Binder {
 320
 321         /**
 322          * Cancels a pending or current upload of a remote file.
 323          *
 324          * @param account Owncloud account where the remote file will be stored.
 325          * @param file A file in the queue of pending uploads
 326          */
 327         public void cancel(Account account, OCFile file) {
 328             UploadFileOperation upload = null;
 329             synchronized (mPendingUploads) {
 330                 upload = mPendingUploads.remove(buildRemoteName(account, file));
 331             }
 332             if (upload != null) {
 333                 upload.cancel();
 334             }
 335         }
 336
 337         /**
 338          * Returns True when the file described by 'file' is being uploaded to
 339          * the ownCloud account 'account' or waiting for it
 340          *
 341          * If 'file' is a directory, returns 'true' if some of its descendant
 342          * files is downloading or waiting to download.
 343          *
 344          * @param account Owncloud account where the remote file will be stored.
 345          * @param file A file that could be in the queue of pending uploads
 346          */
 347         public boolean isUploading(Account account, OCFile file) {
 348             if (account == null || file == null)
 349                 return false;
 350             String targetKey = buildRemoteName(account, file);
 351             synchronized (mPendingUploads) {
 352                 if (file.isDirectory()) {
 353                     // this can be slow if there are many downloads :(
 354                     Iterator<String> it = mPendingUploads.keySet().iterator();
 355                     boolean found = false;
 356                     while (it.hasNext() && !found) {
 357                         found = it.next().startsWith(targetKey);
 358                     }
 359                     return found;
 360                 } else {
 361                     return (mPendingUploads.containsKey(targetKey));
 362                 }
 363             }
 364         }
 365     }
 366
 367     /**
 368      * Upload worker. Performs the pending uploads in the order they were
 369      * requested.
 370      *
 371      * Created with the Looper of a new thread, started in
 372      * {@link FileUploader#onCreate()}.
 373      */
 374     private static class ServiceHandler extends Handler {
 375         // don't make it a final class, and don't remove the static ; lint will
 376         // warn about a possible memory leak
 377         FileUploader mService;
 378
 379         public ServiceHandler(Looper looper, FileUploader service) {
 380             super(looper);
 381             if (service == null)
 382                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 383             mService = service;
 384         }
 385
 386         @Override
 387         public void handleMessage(Message msg) {
 388             @SuppressWarnings("unchecked")
 389             AbstractList<String> requestedUploads = (AbstractList<String>) msg.obj;
 390             if (msg.obj != null) {
 391                 Iterator<String> it = requestedUploads.iterator();
 392                 while (it.hasNext()) {
 393                     mService.uploadFile(it.next());
 394                 }
 395             }
 396             mService.stopSelf(msg.arg1);
 397         }
 398     }
 399
 400     /**
 401      * Core upload method: sends the file(s) to upload
 402      *
 403      * @param uploadKey Key to access the upload to perform, contained in
 404      *            mPendingUploads
 405      */
 406     public void uploadFile(String uploadKey) {
 407
 408         synchronized (mPendingUploads) {
 409             mCurrentUpload = mPendingUploads.get(uploadKey);
 410         }
 411
 412         if (mCurrentUpload != null) {
 413
 414             notifyUploadStart(mCurrentUpload);
 415
 416             // / prepare client object to send requests to the ownCloud server
 417             if (mUploadClient == null || !mLastAccount.equals(mCurrentUpload.getAccount())) {
 418                 mLastAccount = mCurrentUpload.getAccount();
 419                 mStorageManager = new FileDataStorageManager(mLastAccount, getContentResolver());
 420                 mUploadClient = OwnCloudClientUtils.createOwnCloudClient(mLastAccount, getApplicationContext());
 421             }
 422
 423             // / create remote folder for instant uploads
 424             if (mCurrentUpload.isRemoteFolderToBeCreated()) {
 425                 mUploadClient.createDirectory(InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR); // ignoring
 426                                                                                                   // result;
 427                                                                                                   // fail
 428                                                                                                   // could
 429                                                                                                   // just
 430                                                                                                   // mean
 431                                                                                                   // that
 432                                                                                                   // it
 433                                                                                                   // already
 434                                                                                                   // exists,
 435                                                                                                   // but
 436                                                                                                   // local
 437                                                                                                   // database
 438                                                                                                   // is
 439                                                                                                   // not
 440                                                                                                   // synchronized;
 441                                                                                                   // the
 442                                                                                                   // upload
 443                                                                                                   // will
 444                                                                                                   // be
 445                                                                                                   // tried
 446                                                                                                   // anyway
 447             }
 448
 449             // / perform the upload
 450             RemoteOperationResult uploadResult = null;
 451             try {
 452                 uploadResult = mCurrentUpload.execute(mUploadClient);
 453                 if (uploadResult.isSuccess()) {
 454                     saveUploadedFile();
 455                 }
 456
 457             } finally {
 458                 synchronized (mPendingUploads) {
 459                     mPendingUploads.remove(uploadKey);
 460                     Log.i(TAG, "Remove CurrentUploadItem from pending upload Item Map.");
 461                 }
 462             }
 463
 464             // notify result
 465             notifyUploadResult(uploadResult, mCurrentUpload);
 466             sendFinalBroadcast(mCurrentUpload, uploadResult);
 467
 468         }
 469
 470     }
 471
 472     /**
 473      * Saves a OC File after a successful upload.
 474      *
 475      * A PROPFIND is necessary to keep the props in the local database
 476      * synchronized with the server, specially the modification time and Etag
 477      * (where available)
 478      *
 479      * TODO refactor this ugly thing
 480      */
 481     private void saveUploadedFile() {
 482         OCFile file = mCurrentUpload.getFile();
 483         long syncDate = System.currentTimeMillis();
 484         file.setLastSyncDateForData(syncDate);
 485
 486         // / new PROPFIND to keep data consistent with server in theory, should
 487         // return the same we already have
 488         PropFindMethod propfind = null;
 489         RemoteOperationResult result = null;
 490         try {
 491             propfind = new PropFindMethod(mUploadClient.getBaseUri()
 492                     + WebdavUtils.encodePath(mCurrentUpload.getRemotePath()));
 493             int status = mUploadClient.executeMethod(propfind);
 494             boolean isMultiStatus = (status == HttpStatus.SC_MULTI_STATUS);
 495             if (isMultiStatus) {
 496                 MultiStatus resp = propfind.getResponseBodyAsMultiStatus();
 497                 WebdavEntry we = new WebdavEntry(resp.getResponses()[0], mUploadClient.getBaseUri().getPath());
 498                 updateOCFile(file, we);
 499                 file.setLastSyncDateForProperties(syncDate);
 500
 501             } else {
 502                 mUploadClient.exhaustResponse(propfind.getResponseBodyAsStream());
 503             }
 504
 505             result = new RemoteOperationResult(isMultiStatus, status);
 506             Log.i(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": "
 507                     + result.getLogMessage());
 508
 509         } catch (Exception e) {
 510             result = new RemoteOperationResult(e);
 511             Log.e(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": "
 512                     + result.getLogMessage(), e);
 513
 514         } finally {
 515             if (propfind != null)
 516                 propfind.releaseConnection();
 517         }
 518
 519         // / maybe this would be better as part of UploadFileOperation... or
 520         // maybe all this method
 521         if (mCurrentUpload.wasRenamed()) {
 522             OCFile oldFile = mCurrentUpload.getOldFile();
 523             if (oldFile.fileExists()) {
 524                 oldFile.setStoragePath(null);
 525                 mStorageManager.saveFile(oldFile);
 526
 527             } // else: it was just an automatic renaming due to a name
 528               // coincidence; nothing else is needed, the storagePath is right
 529               // in the instance returned by mCurrentUpload.getFile()
 530         }
 531
 532         mStorageManager.saveFile(file);
 533     }
 534
 535     private void updateOCFile(OCFile file, WebdavEntry we) {
 536         file.setCreationTimestamp(we.createTimestamp());
 537         file.setFileLength(we.contentLength());
 538         file.setMimetype(we.contentType());
 539         file.setModificationTimestamp(we.modifiedTimestamp());
 540         file.setModificationTimestampAtLastSyncForData(we.modifiedTimestamp());
 541         // file.setEtag(mCurrentDownload.getEtag()); // TODO Etag, where
 542         // available
 543     }
 544
 545     private boolean checkAndFixInstantUploadDirectory(FileDataStorageManager storageManager) {
 546         OCFile instantUploadDir = storageManager.getFileByPath(InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR);
 547         if (instantUploadDir == null) {
 548             // first instant upload in the account, or never account not
 549             // synchronized after the remote InstantUpload folder was created
 550             OCFile newDir = new OCFile(InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR);
 551             newDir.setMimetype("DIR");
 552             OCFile path = storageManager.getFileByPath(OCFile.PATH_SEPARATOR);
 553
 554             if (path != null) {
 555                 newDir.setParentId(path.getFileId());
 556                 storageManager.saveFile(newDir);
 557                 return true;
 558             } else {
 559                 return false;
 560             }
 561
 562         }
 563         return false;
 564     }
 565
 566     private OCFile obtainNewOCFileToUpload(String remotePath, String localPath, String mimeType,
 567             FileDataStorageManager storageManager) {
 568         OCFile newFile = new OCFile(remotePath);
 569         newFile.setStoragePath(localPath);
 570         newFile.setLastSyncDateForProperties(0);
 571         newFile.setLastSyncDateForData(0);
 572
 573         // size
 574         if (localPath != null && localPath.length() > 0) {
 575             File localFile = new File(localPath);
 576             newFile.setFileLength(localFile.length());
 577             newFile.setLastSyncDateForData(localFile.lastModified());
 578         } // don't worry about not assigning size, the problems with localPath
 579           // are checked when the UploadFileOperation instance is created
 580
 581         // MIME type
 582         if (mimeType == null || mimeType.length() <= 0) {
 583             try {
 584                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
 585                         remotePath.substring(remotePath.lastIndexOf('.') + 1));
 586             } catch (IndexOutOfBoundsException e) {
 587                 Log.e(TAG, "Trying to find out MIME type of a file without extension: " + remotePath);
 588             }
 589         }
 590         if (mimeType == null) {
 591             mimeType = "application/octet-stream";
 592         }
 593         newFile.setMimetype(mimeType);
 594
 595         // parent dir
 596         String parentPath = new File(remotePath).getParent();
 597         parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
 598         OCFile parentDir = storageManager.getFileByPath(parentPath);
 599         if (parentDir == null) {
 600             Toast t = Toast
 601                     .makeText(
 602                             getApplicationContext(),
 603                             "The first time the InstantUpload is running you must be online, so the target folder can successfully created by the upload process",
 604                             30);
 605             t.show();
 606             return null;
 607         }
 608         long parentDirId = parentDir.getFileId();
 609         newFile.setParentId(parentDirId);
 610         return newFile;
 611     }
 612
 613     /**
 614      * Creates a status notification to show the upload progress
 615      *
 616      * @param upload Upload operation starting.
 617      */
 618     private void notifyUploadStart(UploadFileOperation upload) {
 619         // / create status notification with a progress bar
 620         mLastPercent = 0;
 621         mNotification = new Notification(R.drawable.icon, getString(R.string.uploader_upload_in_progress_ticker),
 622                 System.currentTimeMillis());
 623         mNotification.flags |= Notification.FLAG_ONGOING_EVENT;
 624         mDefaultNotificationContentView = mNotification.contentView;
 625         mNotification.contentView = new RemoteViews(getApplicationContext().getPackageName(),
 626                 R.layout.progressbar_layout);
 627         mNotification.contentView.setProgressBar(R.id.status_progress, 100, 0, false);
 628         mNotification.contentView.setTextViewText(R.id.status_text,
 629                 String.format(getString(R.string.uploader_upload_in_progress_content), 0, upload.getFileName()));
 630         mNotification.contentView.setImageViewResource(R.id.status_icon, R.drawable.icon);
 631
 632         // / includes a pending intent in the notification showing the details
 633         // view of the file
 634         Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
 635         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, upload.getFile());
 636         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, upload.getAccount());
 637         showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 638         mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(),
 639                 (int) System.currentTimeMillis(), showDetailsIntent, 0);
 640
 641         mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification);
 642     }
 643
 644     /**
 645      * Callback method to update the progress bar in the status notification
 646      */
 647     @Override
 648     public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String fileName) {
 649         int percent = (int) (100.0 * ((double) totalTransferredSoFar) / ((double) totalToTransfer));
 650         if (percent != mLastPercent) {
 651             mNotification.contentView.setProgressBar(R.id.status_progress, 100, percent, false);
 652             String text = String.format(getString(R.string.uploader_upload_in_progress_content), percent, fileName);
 653             mNotification.contentView.setTextViewText(R.id.status_text, text);
 654             mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification);
 655         }
 656         mLastPercent = percent;
 657     }
 658
 659     /**
 660      * Callback method to update the progress bar in the status notification
 661      * (old version)
 662      */
 663     @Override
 664     public void onTransferProgress(long progressRate) {
 665         // NOTHING TO DO HERE ANYMORE
 666     }
 667
 668     /**
 669      * Updates the status notification with the result of an upload operation.
 670      *
 671      * @param uploadResult Result of the upload operation.
 672      * @param upload Finished upload operation
 673      */
 674     private void notifyUploadResult(RemoteOperationResult uploadResult, UploadFileOperation upload) {
 675         Log.d(TAG, "NotifyUploadResult with resultCode: " + uploadResult.getCode());
 676         if (uploadResult.isCancelled()) {
 677             // / cancelled operation -> silent removal of progress notification
 678             mNotificationManager.cancel(R.string.uploader_upload_in_progress_ticker);
 679
 680         } else if (uploadResult.isSuccess()) {
 681             // / success -> silent update of progress notification to success
 682             // message
 683             mNotification.flags ^= Notification.FLAG_ONGOING_EVENT; // remove
 684                                                                     // the
 685                                                                     // ongoing
 686                                                                     // flag
 687             mNotification.flags |= Notification.FLAG_AUTO_CANCEL;
 688             mNotification.contentView = mDefaultNotificationContentView;
 689
 690             // / includes a pending intent in the notification showing the
 691             // details view of the file
 692             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
 693             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, upload.getFile());
 694             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, upload.getAccount());
 695             showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 696             mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(),
 697                     (int) System.currentTimeMillis(), showDetailsIntent, 0);
 698
 699             mNotification.setLatestEventInfo(getApplicationContext(),
 700                     getString(R.string.uploader_upload_succeeded_ticker),
 701                     String.format(getString(R.string.uploader_upload_succeeded_content_single), upload.getFileName()),
 702                     mNotification.contentIntent);
 703
 704             mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification); // NOT
 705                                                                                                      // AN
 706             DbHandler db = new DbHandler(this.getBaseContext());
 707             db.removeIUPendingFile(mCurrentUpload.getFile().getStoragePath());
 708             db.close();
 709
 710         } else {
 711
 712             // / fail -> explicit failure notification
 713             mNotificationManager.cancel(R.string.uploader_upload_in_progress_ticker);
 714             Notification finalNotification = new Notification(R.drawable.icon,
 715                     getString(R.string.uploader_upload_failed_ticker), System.currentTimeMillis());
 716             finalNotification.flags |= Notification.FLAG_AUTO_CANCEL;
 717
 718             Intent detailUploudIntent = new Intent(this, InstantUploadActivity.class);
 719             detailUploudIntent.putExtra(FileUploader.KEY_ACCOUNT, upload.getAccount());
 720             finalNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(),
 721                     (int) System.currentTimeMillis(), detailUploudIntent, PendingIntent.FLAG_UPDATE_CURRENT
 722                             | PendingIntent.FLAG_ONE_SHOT);
 723
 724             String content = null;
 725             if (uploadResult.getCode() == ResultCode.LOCAL_STORAGE_FULL
 726                     || uploadResult.getCode() == ResultCode.LOCAL_STORAGE_NOT_COPIED) {
 727                 // TODO we need a class to provide error messages for the users
 728                 // from a RemoteOperationResult and a RemoteOperation
 729                 content = String.format(getString(R.string.error__upload__local_file_not_copied), upload.getFileName(),
 730                         getString(R.string.app_name));
 731             } else {
 732                 content = String
 733                         .format(getString(R.string.uploader_upload_failed_content_single), upload.getFileName());
 734             }
 735             finalNotification.setLatestEventInfo(getApplicationContext(),
 736                     getString(R.string.uploader_upload_failed_ticker), content, finalNotification.contentIntent);
 737
 738             mNotificationManager.notify(R.string.uploader_upload_failed_ticker, finalNotification);
 739
 740             DbHandler db = new DbHandler(this.getBaseContext());
 741             if (db.updateFileState(upload.getOriginalStoragePath(), DbHandler.UPLOAD_STATUS_UPLOAD_FAILED) == 0) {
 742                 db.putFileForLater(upload.getOriginalStoragePath(), upload.getAccount().name);
 743             }
 744             db.close();
 745
 746         }
 747
 748     }
 749
 750     /**
 751      * Sends a broadcast in order to the interested activities can update their
 752      * view
 753      *
 754      * @param upload Finished upload operation
 755      * @param uploadResult Result of the upload operation
 756      */
 757     private void sendFinalBroadcast(UploadFileOperation upload, RemoteOperationResult uploadResult) {
 758         Intent end = new Intent(UPLOAD_FINISH_MESSAGE);
 759         end.putExtra(EXTRA_REMOTE_PATH, upload.getRemotePath()); // real remote
 760                                                                  // path, after
 761                                                                  // possible
 762                                                                  // automatic
 763                                                                  // renaming
 764         if (upload.wasRenamed()) {
 765             end.putExtra(EXTRA_OLD_REMOTE_PATH, upload.getOldFile().getRemotePath());
 766         }
 767         end.putExtra(EXTRA_OLD_FILE_PATH, upload.getOriginalStoragePath());
 768         end.putExtra(ACCOUNT_NAME, upload.getAccount().name);
 769         end.putExtra(EXTRA_UPLOAD_RESULT, uploadResult.isSuccess());
 770         sendStickyBroadcast(end);
 771     }
 772
 773 }