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