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.FileStorageUtils;
  42 import com.owncloud.android.utils.OwnCloudVersion;
  43
  44 import eu.alefzero.webdav.OnDatatransferProgressListener;
  45 import eu.alefzero.webdav.WebdavEntry;
  46 import eu.alefzero.webdav.WebdavUtils;
  47
  48 import com.owncloud.android.network.OwnCloudClientUtils;
  49
  50 import android.accounts.Account;
  51 import android.accounts.AccountManager;
  52 import android.app.Notification;
  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.util.Log;
  65 import android.webkit.MimeTypeMap;
  66 import android.widget.RemoteViews;
  67
  68 import com.owncloud.android.R;
  69 import eu.alefzero.webdav.WebdavClient;
  70
  71 public class FileUploader extends Service implements OnDatatransferProgressListener {
  72
  73     public static final String UPLOAD_FINISH_MESSAGE = "UPLOAD_FINISH";
  74     public static final String EXTRA_UPLOAD_RESULT = "RESULT";
  75     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  76     public static final String EXTRA_OLD_REMOTE_PATH = "OLD_REMOTE_PATH";
  77     public static final String EXTRA_FILE_PATH = "FILE_PATH";
  78     public static final String ACCOUNT_NAME = "ACCOUNT_NAME";
  79
  80     public static final String KEY_FILE = "FILE";
  81     public static final String KEY_LOCAL_FILE = "LOCAL_FILE";
  82     public static final String KEY_REMOTE_FILE = "REMOTE_FILE";
  83     public static final String KEY_MIME_TYPE = "MIME_TYPE";
  84
  85     public static final String KEY_ACCOUNT = "ACCOUNT";
  86
  87     public static final String KEY_UPLOAD_TYPE = "UPLOAD_TYPE";
  88     public static final String KEY_FORCE_OVERWRITE = "KEY_FORCE_OVERWRITE";
  89     public static final String KEY_INSTANT_UPLOAD = "INSTANT_UPLOAD";
  90
  91     public static final int UPLOAD_SINGLE_FILE = 0;
  92     public static final int UPLOAD_MULTIPLE_FILES = 1;
  93
  94     private static final String TAG = FileUploader.class.getSimpleName();
  95
  96     private Looper mServiceLooper;
  97     private ServiceHandler mServiceHandler;
  98     private IBinder mBinder;
  99     private WebdavClient mUploadClient = null;
 100     private Account mLastAccount = null;
 101     private FileDataStorageManager mStorageManager;
 102
 103     private ConcurrentMap<String, UploadFileOperation> mPendingUploads = new ConcurrentHashMap<String, UploadFileOperation>();
 104     private UploadFileOperation mCurrentUpload = null;
 105
 106     private NotificationManager mNotificationManager;
 107     private Notification mNotification;
 108     private int mLastPercent;
 109     private RemoteViews mDefaultNotificationContentView;
 110
 111
 112     /**
 113      * Builds a key for mPendingUploads from the account and file to upload
 114      *
 115      * @param account   Account where the file to download is stored
 116      * @param file      File to download
 117      */
 118     private String buildRemoteName(Account account, OCFile file) {
 119         return account.name + file.getRemotePath();
 120     }
 121
 122     private String buildRemoteName(Account account, String remotePath) {
 123         return account.name + remotePath;
 124     }
 125
 126
 127     /**
 128      * Checks if an ownCloud server version should support chunked uploads.
 129      *
 130      * @param version   OwnCloud version instance corresponding to an ownCloud server.
 131      * @return          'True' if the ownCloud server with version supports chunked uploads.
 132      */
 133     private static boolean chunkedUploadIsSupported(OwnCloudVersion version) {
 134         return (version != null && version.compareTo(OwnCloudVersion.owncloud_v4_5) >= 0);
 135     }
 136
 137
 138
 139     /**
 140      * Service initialization
 141      */
 142     @Override
 143     public void onCreate() {
 144         super.onCreate();
 145         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
 146         HandlerThread thread = new HandlerThread("FileUploaderThread",
 147                 Process.THREAD_PRIORITY_BACKGROUND);
 148         thread.start();
 149         mServiceLooper = thread.getLooper();
 150         mServiceHandler = new ServiceHandler(mServiceLooper, this);
 151         mBinder = new FileUploaderBinder();
 152     }
 153
 154
 155     /**
 156      * Entry point to add one or several files to the queue of uploads.
 157      *
 158      * New uploads are added calling to startService(), resulting in a call to this method. This ensures the service will keep on working
 159      * although the caller activity goes away.
 160      */
 161     @Override
 162     public int onStartCommand(Intent intent, int flags, int startId) {
 163         if (!intent.hasExtra(KEY_ACCOUNT) || !intent.hasExtra(KEY_UPLOAD_TYPE) || !(intent.hasExtra(KEY_LOCAL_FILE) || intent.hasExtra(KEY_FILE))) {
 164             Log.e(TAG, "Not enough information provided in intent");
 165             return Service.START_NOT_STICKY;
 166         }
 167         int uploadType = intent.getIntExtra(KEY_UPLOAD_TYPE, -1);
 168         if (uploadType == -1) {
 169             Log.e(TAG, "Incorrect upload type provided");
 170             return Service.START_NOT_STICKY;
 171         }
 172         Account account = intent.getParcelableExtra(KEY_ACCOUNT);
 173
 174         String[] localPaths = null, remotePaths = null, mimeTypes = null;
 175         OCFile[] files = null;
 176         if (uploadType == UPLOAD_SINGLE_FILE) {
 177
 178             if (intent.hasExtra(KEY_FILE)) {
 179                 files = new OCFile[] {intent.getParcelableExtra(KEY_FILE) };
 180
 181             } else {
 182                 localPaths = new String[] { intent.getStringExtra(KEY_LOCAL_FILE) };
 183                 remotePaths = new String[] { intent.getStringExtra(KEY_REMOTE_FILE) };
 184                 mimeTypes = new String[] { intent.getStringExtra(KEY_MIME_TYPE) };
 185             }
 186
 187         } else { // mUploadType == UPLOAD_MULTIPLE_FILES
 188
 189             if (intent.hasExtra(KEY_FILE)) {
 190                 files = (OCFile[]) intent.getParcelableArrayExtra(KEY_FILE);    // TODO will this casting work fine?
 191
 192             } else {
 193                 localPaths = intent.getStringArrayExtra(KEY_LOCAL_FILE);
 194                 remotePaths = intent.getStringArrayExtra(KEY_REMOTE_FILE);
 195                 mimeTypes = intent.getStringArrayExtra(KEY_MIME_TYPE);
 196             }
 197         }
 198
 199         FileDataStorageManager storageManager = new FileDataStorageManager(account, getContentResolver());
 200
 201         boolean forceOverwrite = intent.getBooleanExtra(KEY_FORCE_OVERWRITE, false);
 202         boolean isInstant = intent.getBooleanExtra(KEY_INSTANT_UPLOAD, false);
 203         boolean fixed = false;
 204         if (isInstant) {
 205             fixed = checkAndFixInstantUploadDirectory(storageManager);  // MUST be done BEFORE calling obtainNewOCFileToUpload
 206         }
 207
 208         if (intent.hasExtra(KEY_FILE) && files == null) {
 209             Log.e(TAG, "Incorrect array for OCFiles provided in upload intent");
 210             return Service.START_NOT_STICKY;
 211
 212         } else if (!intent.hasExtra(KEY_FILE)) {
 213             if (localPaths == null) {
 214                 Log.e(TAG, "Incorrect array for local paths provided in upload intent");
 215                 return Service.START_NOT_STICKY;
 216             }
 217             if (remotePaths == null) {
 218                 Log.e(TAG, "Incorrect array for remote paths provided in upload intent");
 219                 return Service.START_NOT_STICKY;
 220             }
 221             if (localPaths.length != remotePaths.length) {
 222                 Log.e(TAG, "Different number of remote paths and local paths!");
 223                 return Service.START_NOT_STICKY;
 224             }
 225
 226             files = new OCFile[localPaths.length];
 227             for (int i=0; i < localPaths.length; i++) {
 228                 files[i] = obtainNewOCFileToUpload(remotePaths[i], localPaths[i], ((mimeTypes!=null)?mimeTypes[i]:(String)null), storageManager);
 229             }
 230         }
 231
 232         OwnCloudVersion ocv = new OwnCloudVersion(AccountManager.get(this).getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 233         boolean chunked = FileUploader.chunkedUploadIsSupported(ocv);
 234         AbstractList<String> requestedUploads = new Vector<String>();
 235         String uploadKey = null;
 236         UploadFileOperation newUpload = null;
 237         try {
 238             for (int i=0; i < files.length; i++) {
 239                 uploadKey = buildRemoteName(account, files[i].getRemotePath());
 240                 if (chunked) {
 241                     newUpload = new ChunkedUploadFileOperation(account, files[i], isInstant, forceOverwrite);
 242                 } else {
 243                     newUpload = new UploadFileOperation(account, files[i], isInstant, forceOverwrite);
 244                 }
 245                 if (fixed && i==0) {
 246                     newUpload.setRemoteFolderToBeCreated();
 247                 }
 248                 mPendingUploads.putIfAbsent(uploadKey, newUpload);
 249                 newUpload.addDatatransferProgressListener(this);
 250                 requestedUploads.add(uploadKey);
 251             }
 252
 253         } catch (IllegalArgumentException e) {
 254             Log.e(TAG, "Not enough information provided in intent: " + e.getMessage());
 255             return START_NOT_STICKY;
 256
 257         } catch (IllegalStateException e) {
 258             Log.e(TAG, "Bad information provided in intent: " + e.getMessage());
 259             return START_NOT_STICKY;
 260
 261         } catch (Exception e) {
 262             Log.e(TAG, "Unexpected exception while processing upload intent", e);
 263             return START_NOT_STICKY;
 264
 265         }
 266
 267         if (requestedUploads.size() > 0) {
 268             Message msg = mServiceHandler.obtainMessage();
 269             msg.arg1 = startId;
 270             msg.obj = requestedUploads;
 271             mServiceHandler.sendMessage(msg);
 272         }
 273
 274         return Service.START_NOT_STICKY;
 275     }
 276
 277
 278     /**
 279      * Provides a binder object that clients can use to perform operations on the queue of uploads, excepting the addition of new files.
 280      *
 281      * Implemented to perform cancellation, pause and resume of existing uploads.
 282      */
 283     @Override
 284     public IBinder onBind(Intent arg0) {
 285         return mBinder;
 286     }
 287
 288     /**
 289      *  Binder to let client components to perform operations on the queue of uploads.
 290      *
 291      *  It provides by itself the available operations.
 292      */
 293     public class FileUploaderBinder extends Binder {
 294
 295         /**
 296          * Cancels a pending or current upload of a remote file.
 297          *
 298          * @param account       Owncloud account where the remote file will be stored.
 299          * @param file          A file in the queue of pending uploads
 300          */
 301         public void cancel(Account account, OCFile file) {
 302             UploadFileOperation upload = null;
 303             synchronized (mPendingUploads) {
 304                 upload = mPendingUploads.remove(buildRemoteName(account, file));
 305             }
 306             if (upload != null) {
 307                 upload.cancel();
 308             }
 309         }
 310
 311
 312         /**
 313          * Returns True when the file described by 'file' is being uploaded to the ownCloud account 'account' or waiting for it
 314          *
 315          * If 'file' is a directory, returns 'true' if some of its descendant files is downloading or waiting to download.
 316          *
 317          * @param account       Owncloud account where the remote file will be stored.
 318          * @param file          A file that could be in the queue of pending uploads
 319          */
 320         public boolean isUploading(Account account, OCFile file) {
 321             String targetKey = buildRemoteName(account, file);
 322             synchronized (mPendingUploads) {
 323                 if (file.isDirectory()) {
 324                     // this can be slow if there are many downloads :(
 325                     Iterator<String> it = mPendingUploads.keySet().iterator();
 326                     boolean found = false;
 327                     while (it.hasNext() && !found) {
 328                         found = it.next().startsWith(targetKey);
 329                     }
 330                     return found;
 331                 } else {
 332                     return (mPendingUploads.containsKey(targetKey));
 333                 }
 334             }
 335         }
 336     }
 337
 338
 339
 340
 341     /**
 342      * Upload worker. Performs the pending uploads in the order they were requested.
 343      *
 344      * Created with the Looper of a new thread, started in {@link FileUploader#onCreate()}.
 345      */
 346     private static class ServiceHandler extends Handler {
 347         // don't make it a final class, and don't remove the static ; lint will warn about a possible memory leak
 348         FileUploader mService;
 349         public ServiceHandler(Looper looper, FileUploader service) {
 350             super(looper);
 351             if (service == null)
 352                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 353             mService = service;
 354         }
 355
 356         @Override
 357         public void handleMessage(Message msg) {
 358             @SuppressWarnings("unchecked")
 359             AbstractList<String> requestedUploads = (AbstractList<String>) msg.obj;
 360             if (msg.obj != null) {
 361                 Iterator<String> it = requestedUploads.iterator();
 362                 while (it.hasNext()) {
 363                     mService.uploadFile(it.next());
 364                 }
 365             }
 366             mService.stopSelf(msg.arg1);
 367         }
 368     }
 369
 370
 371
 372
 373     /**
 374      * Core upload method: sends the file(s) to upload
 375      *
 376      * @param uploadKey   Key to access the upload to perform, contained in mPendingUploads
 377      */
 378     public void uploadFile(String uploadKey) {
 379
 380         synchronized(mPendingUploads) {
 381             mCurrentUpload = mPendingUploads.get(uploadKey);
 382         }
 383
 384         if (mCurrentUpload != null) {
 385
 386             notifyUploadStart(mCurrentUpload);
 387
 388
 389             /// prepare client object to send requests to the ownCloud server
 390             if (mUploadClient == null || !mLastAccount.equals(mCurrentUpload.getAccount())) {
 391                 mLastAccount = mCurrentUpload.getAccount();
 392                 mStorageManager = new FileDataStorageManager(mLastAccount, getContentResolver());
 393                 mUploadClient = OwnCloudClientUtils.createOwnCloudClient(mLastAccount, getApplicationContext());
 394             }
 395
 396             /// create remote folder for instant uploads
 397             if (mCurrentUpload.isRemoteFolderToBeCreated()) {
 398                 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
 399             }
 400
 401
 402             /// perform the upload
 403             RemoteOperationResult uploadResult = null;
 404             try {
 405                 uploadResult = mCurrentUpload.execute(mUploadClient);
 406                 if (uploadResult.isSuccess()) {
 407                     saveUploadedFile();
 408                 }
 409
 410             } finally {
 411                 synchronized(mPendingUploads) {
 412                     mPendingUploads.remove(uploadKey);
 413                 }
 414             }
 415
 416             /// notify result
 417             notifyUploadResult(uploadResult, mCurrentUpload);
 418
 419             sendFinalBroadcast(mCurrentUpload, uploadResult);
 420
 421         }
 422
 423     }
 424
 425     /**
 426      * Saves a OC File after a successful upload.
 427      *
 428      * A PROPFIND is necessary to keep the props in the local database synchronized with the server,
 429      * specially the modification time and Etag (where available)
 430      *
 431      * TODO refactor this ugly thing
 432      */
 433     private void saveUploadedFile() {
 434         OCFile file = mCurrentUpload.getFile();
 435         long syncDate = System.currentTimeMillis();
 436         file.setLastSyncDateForData(syncDate);
 437
 438         /// new PROPFIND to keep data consistent with server in theory, should return the same we already have
 439         PropFindMethod propfind = null;
 440         RemoteOperationResult result = null;
 441         try {
 442           propfind = new PropFindMethod(mUploadClient.getBaseUri() + WebdavUtils.encodePath(mCurrentUpload.getRemotePath()));
 443           int status = mUploadClient.executeMethod(propfind);
 444           boolean isMultiStatus = (status == HttpStatus.SC_MULTI_STATUS);
 445           if (isMultiStatus) {
 446               MultiStatus resp = propfind.getResponseBodyAsMultiStatus();
 447               WebdavEntry we = new WebdavEntry(resp.getResponses()[0],
 448                                                mUploadClient.getBaseUri().getPath());
 449               updateOCFile(file, we);
 450               file.setLastSyncDateForProperties(syncDate);
 451
 452           } else {
 453               mUploadClient.exhaustResponse(propfind.getResponseBodyAsStream());
 454           }
 455
 456           result = new RemoteOperationResult(isMultiStatus, status);
 457           Log.i(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": " + result.getLogMessage());
 458
 459         } catch (Exception e) {
 460             result = new RemoteOperationResult(e);
 461             Log.i(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": " + result.getLogMessage(), e);
 462
 463         } finally {
 464             if (propfind != null)
 465                 propfind.releaseConnection();
 466         }
 467
 468
 469         if (mCurrentUpload.wasRenamed()) {
 470             OCFile oldFile = mCurrentUpload.getOldFile();
 471             if (!oldFile.fileExists()) {
 472                 // just a name coincidence
 473                 file.setStoragePath(oldFile.getStoragePath());
 474
 475             } else {
 476                 // conflict resolved with 'Keep both' by the user
 477                 File localFile = new File(oldFile.getStoragePath());
 478                 File newLocalFile = new File(FileStorageUtils.getDefaultSavePathFor(mCurrentUpload.getAccount().name, file));
 479                 boolean renameSuccessed = localFile.renameTo(newLocalFile);
 480                 if (renameSuccessed) {
 481                     file.setStoragePath(newLocalFile.getAbsolutePath());
 482
 483                 } else {
 484                     // poor solution
 485                     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'");
 486                     file.setStoragePath(null);
 487                         // not so fine:
 488                         //      - local file will be kept there as 'trash' until is download (and overwritten) again from the server;
 489                         //      - user will see as 'not down' a file that was just upload
 490                         // BUT:
 491                         //      - no loss of data happened
 492                         //      - 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
 493                 }
 494                 oldFile.setStoragePath(null);
 495                 mStorageManager.saveFile(oldFile);
 496             }
 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 }