src/com/owncloud/android/ui/fragment/FileDetailFragment.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  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 package com.owncloud.android.ui.fragment;
  19
  20 import java.io.File;
  21 import java.lang.ref.WeakReference;
  22 import java.util.ArrayList;
  23 import java.util.List;
  24
  25 import org.apache.commons.httpclient.methods.GetMethod;
  26 import org.apache.commons.httpclient.methods.PostMethod;
  27 import org.apache.commons.httpclient.methods.StringRequestEntity;
  28 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  29 import org.apache.http.HttpStatus;
  30 import org.apache.http.NameValuePair;
  31 import org.apache.http.client.utils.URLEncodedUtils;
  32 import org.apache.http.message.BasicNameValuePair;
  33 import org.apache.http.protocol.HTTP;
  34 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  35 import org.json.JSONObject;
  36
  37 import android.accounts.Account;
  38 import android.accounts.AccountManager;
  39 import android.app.Activity;
  40 import android.content.ActivityNotFoundException;
  41 import android.content.BroadcastReceiver;
  42 import android.content.ComponentName;
  43 import android.content.Context;
  44 import android.content.Intent;
  45 import android.content.IntentFilter;
  46 import android.content.ServiceConnection;
  47 import android.net.Uri;
  48 import android.os.Bundle;
  49 import android.os.Handler;
  50 import android.os.IBinder;
  51 import android.support.v4.app.FragmentTransaction;
  52 import android.util.Log;
  53 import android.view.LayoutInflater;
  54 import android.view.View;
  55 import android.view.View.OnClickListener;
  56 import android.view.ViewGroup;
  57 import android.webkit.MimeTypeMap;
  58 import android.widget.Button;
  59 import android.widget.CheckBox;
  60 import android.widget.ImageView;
  61 import android.widget.MediaController;
  62 import android.widget.ProgressBar;
  63 import android.widget.TextView;
  64 import android.widget.Toast;
  65
  66 import com.actionbarsherlock.app.SherlockFragment;
  67 import com.owncloud.android.AccountUtils;
  68 import com.owncloud.android.DisplayUtils;
  69 import com.owncloud.android.authenticator.AccountAuthenticator;
  70 import com.owncloud.android.datamodel.FileDataStorageManager;
  71 import com.owncloud.android.datamodel.OCFile;
  72 import com.owncloud.android.files.services.FileDownloader;
  73 import com.owncloud.android.files.services.FileObserverService;
  74 import com.owncloud.android.files.services.FileUploader;
  75 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  76 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  77 import com.owncloud.android.media.MediaService;
  78 import com.owncloud.android.media.MediaServiceBinder;
  79 import com.owncloud.android.network.OwnCloudClientUtils;
  80 import com.owncloud.android.operations.OnRemoteOperationListener;
  81 import com.owncloud.android.operations.RemoteOperation;
  82 import com.owncloud.android.operations.RemoteOperationResult;
  83 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  84 import com.owncloud.android.operations.RemoveFileOperation;
  85 import com.owncloud.android.operations.RenameFileOperation;
  86 import com.owncloud.android.operations.SynchronizeFileOperation;
  87 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  88 import com.owncloud.android.ui.activity.FileDetailActivity;
  89 import com.owncloud.android.ui.activity.FileDisplayActivity;
  90 import com.owncloud.android.ui.activity.PreviewVideoActivity;
  91 import com.owncloud.android.ui.dialog.EditNameDialog;
  92 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  93 import com.owncloud.android.utils.OwnCloudVersion;
  94
  95 import com.owncloud.android.R;
  96
  97 import eu.alefzero.webdav.OnDatatransferProgressListener;
  98 import eu.alefzero.webdav.WebdavClient;
  99 import eu.alefzero.webdav.WebdavUtils;
 100
 101 /**
 102  * This Fragment is used to display the details about a file.
 103  *
 104  * @author Bartek Przybylski
 105  * @author David A. Velasco
 106  */
 107 public class FileDetailFragment extends SherlockFragment implements
 108         OnClickListener,
 109         ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener,
 110         FileFragment {
 111
 112     public static final String EXTRA_FILE = "FILE";
 113     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 114
 115     private FileFragment.ContainerActivity mContainerActivity;
 116
 117     private int mLayout;
 118     private View mView;
 119     private OCFile mFile;
 120     private Account mAccount;
 121     private FileDataStorageManager mStorageManager;
 122
 123     private DownloadFinishReceiver mDownloadFinishReceiver;
 124     private UploadFinishReceiver mUploadFinishReceiver;
 125     public ProgressListener mProgressListener;
 126
 127     private Handler mHandler;
 128     private RemoteOperation mLastRemoteOperation;
 129
 130     private MediaServiceBinder mMediaServiceBinder = null;
 131     private MediaController mMediaController = null;
 132     private MediaServiceConnection mMediaServiceConnection = null;
 133
 134     private static final String TAG = FileDetailFragment.class.getSimpleName();
 135     public static final String FTAG = "FileDetails";
 136     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 137
 138
 139     /**
 140      * Creates an empty details fragment.
 141      *
 142      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 143      */
 144     public FileDetailFragment() {
 145         mFile = null;
 146         mAccount = null;
 147         mStorageManager = null;
 148         mLayout = R.layout.file_details_empty;
 149         mProgressListener = null;
 150     }
 151
 152
 153     /**
 154      * Creates a details fragment.
 155      *
 156      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 157      *
 158      * @param fileToDetail      An {@link OCFile} to show in the fragment
 159      * @param ocAccount         An ownCloud account; needed to start downloads
 160      */
 161     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 162         mFile = fileToDetail;
 163         mAccount = ocAccount;
 164         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 165         mLayout = R.layout.file_details_empty;
 166         mProgressListener = null;
 167     }
 168
 169
 170     @Override
 171     public void onCreate(Bundle savedInstanceState) {
 172         super.onCreate(savedInstanceState);
 173         mHandler = new Handler();
 174     }
 175
 176
 177     @Override
 178     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 179             Bundle savedInstanceState) {
 180         super.onCreateView(inflater, container, savedInstanceState);
 181
 182         if (savedInstanceState != null) {
 183             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 184             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 185         }
 186
 187         if(mFile != null && mAccount != null) {
 188             mLayout = R.layout.file_details_fragment;
 189         }
 190
 191         View view = null;
 192         view = inflater.inflate(mLayout, container, false);
 193         mView = view;
 194
 195         if (mLayout == R.layout.file_details_fragment) {
 196             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 197             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 198             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 199             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 200             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 201             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 202             ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
 203             mProgressListener = new ProgressListener(progressBar);
 204         }
 205
 206         updateFileDetails(false);
 207         return view;
 208     }
 209
 210
 211     /**
 212      * {@inheritDoc}
 213      */
 214     @Override
 215     public void onAttach(Activity activity) {
 216         super.onAttach(activity);
 217         try {
 218             mContainerActivity = (ContainerActivity) activity;
 219
 220         } catch (ClassCastException e) {
 221             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 222         }
 223     }
 224
 225
 226     /**
 227      * {@inheritDoc}
 228      */
 229     @Override
 230     public void onActivityCreated(Bundle savedInstanceState) {
 231         super.onActivityCreated(savedInstanceState);
 232         if (mAccount != null) {
 233             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());;
 234         }
 235     }
 236
 237
 238     @Override
 239     public void onSaveInstanceState(Bundle outState) {
 240         super.onSaveInstanceState(outState);
 241         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 242         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 243     }
 244
 245     @Override
 246     public void onStart() {
 247         super.onStart();
 248         if (mFile != null && mFile.isAudio()) {
 249             bindMediaService();
 250         }
 251         listenForTransferProgress();
 252     }
 253
 254     @Override
 255     public void onResume() {
 256         super.onResume();
 257
 258         mDownloadFinishReceiver = new DownloadFinishReceiver();
 259         IntentFilter filter = new IntentFilter(
 260                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 261         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 262
 263         mUploadFinishReceiver = new UploadFinishReceiver();
 264         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 265         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 266
 267     }
 268
 269
 270     @Override
 271     public void onPause() {
 272         super.onPause();
 273
 274         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 275         mDownloadFinishReceiver = null;
 276
 277         getActivity().unregisterReceiver(mUploadFinishReceiver);
 278         mUploadFinishReceiver = null;
 279     }
 280
 281
 282     @Override
 283     public void onStop() {
 284         super.onStop();
 285         if (mMediaServiceConnection != null) {
 286             Log.d(TAG, "Unbinding from MediaService ...");
 287             if (mMediaServiceBinder != null && mMediaController != null) {
 288                 mMediaServiceBinder.unregisterMediaController(mMediaController);
 289             }
 290             getActivity().unbindService(mMediaServiceConnection);
 291             mMediaServiceBinder = null;
 292             if (mMediaController != null) {
 293                 mMediaController.hide();
 294                 mMediaController = null;
 295             }
 296         }
 297         leaveTransferProgress();
 298     }
 299
 300
 301     @Override
 302     public View getView() {
 303         return super.getView() == null ? mView : super.getView();
 304     }
 305
 306
 307     @Override
 308     public void onClick(View v) {
 309         switch (v.getId()) {
 310             case R.id.fdDownloadBtn: {
 311                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 312                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 313                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 314                     downloaderBinder.cancel(mAccount, mFile);
 315                     if (mFile.isDown()) {
 316                         setButtonsForDown();
 317                     } else {
 318                         setButtonsForRemote();
 319                     }
 320
 321                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 322                     uploaderBinder.cancel(mAccount, mFile);
 323                     if (!mFile.fileExists()) {
 324                         // TODO make something better
 325                         if (getActivity() instanceof FileDisplayActivity) {
 326                             // double pane
 327                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 328                             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 329                             transaction.commit();
 330                             mContainerActivity.onFileStateChanged();
 331                         } else {
 332                             getActivity().finish();
 333                         }
 334
 335                     } else if (mFile.isDown()) {
 336                         setButtonsForDown();
 337                     } else {
 338                         setButtonsForRemote();
 339                     }
 340
 341                 } else {
 342                     mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 343                     WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 344                     mLastRemoteOperation.execute(wc, this, mHandler);
 345
 346                     // update ui
 347                     boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 348                     getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 349
 350                 }
 351                 break;
 352             }
 353             case R.id.fdKeepInSync: {
 354                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 355                 mFile.setKeepInSync(cb.isChecked());
 356                 mStorageManager.saveFile(mFile);
 357
 358                 /// register the OCFile instance in the observer service to monitor local updates;
 359                 /// if necessary, the file is download
 360                 Intent intent = new Intent(getActivity().getApplicationContext(),
 361                                            FileObserverService.class);
 362                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 363                            (cb.isChecked()?
 364                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 365                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 366                 intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 367                 intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 368                 getActivity().startService(intent);
 369
 370                 if (mFile.keepInSync()) {
 371                     onClick(getView().findViewById(R.id.fdDownloadBtn));    // force an immediate synchronization
 372                 }
 373                 break;
 374             }
 375             case R.id.fdRenameBtn: {
 376                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), mFile.getFileName(), this);
 377                 dialog.show(getFragmentManager(), "nameeditdialog");
 378                 break;
 379             }
 380             case R.id.fdRemoveBtn: {
 381                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 382                         R.string.confirmation_remove_alert,
 383                         new String[]{mFile.getFileName()},
 384                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 385                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 386                         R.string.common_cancel);
 387                 confDialog.setOnConfirmationListener(this);
 388                 confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 389                 break;
 390             }
 391             case R.id.fdOpenBtn: {
 392                 openFile();
 393                 break;
 394             }
 395             default:
 396                 Log.e(TAG, "Incorrect view clicked!");
 397         }
 398
 399         /* else if (v.getId() == R.id.fdShareBtn) {
 400             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 401             t.start();
 402         }*/
 403     }
 404
 405
 406     private void startVideoActivity() {
 407         Intent i = new Intent(getActivity(), PreviewVideoActivity.class);
 408         i.putExtra(PreviewVideoActivity.EXTRA_FILE, mFile);
 409         i.putExtra(PreviewVideoActivity.EXTRA_ACCOUNT, mAccount);
 410         startActivity(i);
 411     }
 412
 413
 414     private void bindMediaService() {
 415         Log.d(TAG, "Binding to MediaService...");
 416         if (mMediaServiceConnection == null) {
 417             mMediaServiceConnection = new MediaServiceConnection();
 418         }
 419         getActivity().bindService(  new Intent(getActivity(),
 420                                     MediaService.class),
 421                                     mMediaServiceConnection,
 422                                     Context.BIND_AUTO_CREATE);
 423             // follow the flow in MediaServiceConnection#onServiceConnected(...)
 424     }
 425
 426     /** Defines callbacks for service binding, passed to bindService() */
 427     private class MediaServiceConnection implements ServiceConnection {
 428
 429         @Override
 430         public void onServiceConnected(ComponentName component, IBinder service) {
 431             if (component.equals(new ComponentName(getActivity(), MediaService.class))) {
 432                 Log.d(TAG, "Media service connected");
 433                 mMediaServiceBinder = (MediaServiceBinder) service;
 434                 if (mMediaServiceBinder != null) {
 435                     if (mMediaController == null) {
 436                         mMediaController = new MediaController(getSherlockActivity());
 437                     }
 438                     prepareMediaController();
 439
 440                     Log.d(TAG, "Successfully bound to MediaService, MediaController ready");
 441
 442                 } else {
 443                     Log.e(TAG, "Unexpected response from MediaService while binding");
 444                 }
 445             }
 446         }
 447
 448         private void prepareMediaController() {
 449             mMediaServiceBinder.registerMediaController(mMediaController);
 450             mMediaController.setMediaPlayer(mMediaServiceBinder);
 451             mMediaController.setAnchorView(getView());
 452             mMediaController.setEnabled(mMediaServiceBinder.isInPlaybackState());
 453         }
 454
 455         @Override
 456         public void onServiceDisconnected(ComponentName component) {
 457             if (component.equals(new ComponentName(getActivity(), MediaService.class))) {
 458                 Log.e(TAG, "Media service suddenly disconnected");
 459                 if (mMediaController != null) {
 460                     mMediaController.hide();
 461                     mMediaController.setMediaPlayer(null);
 462                     mMediaController = null;
 463                 }
 464                 mMediaServiceBinder = null;
 465                 mMediaServiceConnection = null;
 466             }
 467         }
 468     }
 469
 470
 471     /**
 472      * Opens mFile.
 473      */
 474     private void openFile() {
 475
 476         String storagePath = mFile.getStoragePath();
 477         String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 478         try {
 479             Intent i = new Intent(Intent.ACTION_VIEW);
 480             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 481             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 482             startActivity(i);
 483
 484         } catch (Throwable t) {
 485             Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 486             boolean toastIt = true;
 487             String mimeType = "";
 488             try {
 489                 Intent i = new Intent(Intent.ACTION_VIEW);
 490                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 491                 if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 492                     if (mimeType != null) {
 493                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 494                     } else {
 495                         // desperate try
 496                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 497                     }
 498                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 499                     startActivity(i);
 500                     toastIt = false;
 501                 }
 502
 503             } catch (IndexOutOfBoundsException e) {
 504                 Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 505
 506             } catch (ActivityNotFoundException e) {
 507                 Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 508
 509             } catch (Throwable th) {
 510                 Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 511
 512             } finally {
 513                 if (toastIt) {
 514                     Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 515                 }
 516             }
 517
 518         }
 519     }
 520
 521
 522     @Override
 523     public void onConfirmation(String callerTag) {
 524         if (callerTag.equals(FTAG_CONFIRMATION)) {
 525             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 526                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 527                                                                 true,
 528                                                                 mStorageManager);
 529                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 530                 mLastRemoteOperation.execute(wc, this, mHandler);
 531
 532                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 533                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 534             }
 535         }
 536     }
 537
 538     @Override
 539     public void onNeutral(String callerTag) {
 540         File f = null;
 541         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 542             f.delete();
 543             mFile.setStoragePath(null);
 544             mStorageManager.saveFile(mFile);
 545             updateFileDetails(mFile, mAccount);
 546         }
 547     }
 548
 549     @Override
 550     public void onCancel(String callerTag) {
 551         Log.d(TAG, "REMOVAL CANCELED");
 552     }
 553
 554
 555     /**
 556      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 557      *
 558      * @return  True when the fragment was created with the empty layout.
 559      */
 560     public boolean isEmpty() {
 561         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 562     }
 563
 564
 565     /**
 566      * {@inheritDoc}
 567      */
 568     public OCFile getFile(){
 569         return mFile;
 570     }
 571
 572     /**
 573      * Use this method to signal this Activity that it shall update its view.
 574      *
 575      * @param file : An {@link OCFile}
 576      */
 577     public void updateFileDetails(OCFile file, Account ocAccount) {
 578         mFile = file;
 579         if (ocAccount != null && (
 580                 mStorageManager == null ||
 581                 (mAccount != null && !mAccount.equals(ocAccount))
 582            )) {
 583             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 584         }
 585         mAccount = ocAccount;
 586         updateFileDetails(false);
 587     }
 588
 589
 590     /**
 591      * Updates the view with all relevant details about that file.
 592      *
 593      * TODO Remove parameter when the transferring state of files is kept in database.
 594      *
 595      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 596      *
 597      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 598      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 599      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 600      *
 601      */
 602     public void updateFileDetails(boolean transferring) {
 603
 604         if (readyToShow()) {
 605
 606             // set file details
 607             setFilename(mFile.getFileName());
 608             setFiletype(mFile.getMimetype());
 609             setFilesize(mFile.getFileLength());
 610             if(ocVersionSupportsTimeCreated()){
 611                 setTimeCreated(mFile.getCreationTimestamp());
 612             }
 613
 614             setTimeModified(mFile.getModificationTimestamp());
 615
 616             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 617             cb.setChecked(mFile.keepInSync());
 618
 619             // configure UI for depending upon local state of the file
 620             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 621             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 622             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 623             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 624                 setButtonsForTransferring();
 625
 626             } else if (mFile.isDown()) {
 627
 628                 setButtonsForDown();
 629
 630             } else {
 631                 // TODO load default preview image; when the local file is removed, the preview remains there
 632                 setButtonsForRemote();
 633             }
 634         }
 635         getView().invalidate();
 636     }
 637
 638
 639     /**
 640      * Checks if the fragment is ready to show details of a OCFile
 641      *
 642      * @return  'True' when the fragment is ready to show details of a file
 643      */
 644     private boolean readyToShow() {
 645         return (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 646     }
 647
 648
 649
 650     /**
 651      * Updates the filename in view
 652      * @param filename to set
 653      */
 654     private void setFilename(String filename) {
 655         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 656         if (tv != null)
 657             tv.setText(filename);
 658     }
 659
 660     /**
 661      * Updates the MIME type in view
 662      * @param mimetype to set
 663      */
 664     private void setFiletype(String mimetype) {
 665         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 666         if (tv != null) {
 667             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 668             tv.setText(printableMimetype);
 669         }
 670         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 671         if (iv != null) {
 672             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 673         }
 674     }
 675
 676     /**
 677      * Updates the file size in view
 678      * @param filesize in bytes to set
 679      */
 680     private void setFilesize(long filesize) {
 681         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 682         if (tv != null)
 683             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 684     }
 685
 686     /**
 687      * Updates the time that the file was created in view
 688      * @param milliseconds Unix time to set
 689      */
 690     private void setTimeCreated(long milliseconds){
 691         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 692         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 693         if(tv != null){
 694             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 695             tv.setVisibility(View.VISIBLE);
 696             tvLabel.setVisibility(View.VISIBLE);
 697         }
 698     }
 699
 700     /**
 701      * Updates the time that the file was last modified
 702      * @param milliseconds Unix time to set
 703      */
 704     private void setTimeModified(long milliseconds){
 705         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 706         if(tv != null){
 707             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 708         }
 709     }
 710
 711     /**
 712      * Enables or disables buttons for a file being downloaded
 713      */
 714     private void setButtonsForTransferring() {
 715         if (!isEmpty()) {
 716             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 717             downloadButton.setText(R.string.common_cancel);
 718             //downloadButton.setEnabled(false);
 719
 720             // let's protect the user from himself ;)
 721             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 722             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 723             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 724             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 725
 726             // show the progress bar for the transfer
 727             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 728             progressBar.setVisibility(View.VISIBLE);
 729             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 730             progressText.setVisibility(View.VISIBLE);
 731             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 732             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 733             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 734                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 735             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 736                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 737             }
 738         }
 739     }
 740
 741
 742     /**
 743      * Enables or disables buttons for a file locally available
 744      */
 745     private void setButtonsForDown() {
 746         if (!isEmpty()) {
 747             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 748             downloadButton.setText(R.string.filedetails_sync_file);
 749
 750             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 751             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 752             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 753             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 754
 755             // hides the progress bar
 756             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 757             progressBar.setVisibility(View.GONE);
 758             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 759             progressText.setVisibility(View.GONE);
 760         }
 761     }
 762
 763     /**
 764      * Enables or disables buttons for a file not locally available
 765      */
 766     private void setButtonsForRemote() {
 767         if (!isEmpty()) {
 768             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 769             downloadButton.setText(R.string.filedetails_download);
 770
 771             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 772             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 773             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 774             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 775
 776             // hides the progress bar
 777             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 778             progressBar.setVisibility(View.GONE);
 779             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 780             progressText.setVisibility(View.GONE);
 781         }
 782     }
 783
 784
 785     /**
 786      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 787      * the time that the file was created. There is a chance that this will
 788      * be fixed in future versions. Use this method to check if this version of
 789      * ownCloud has this fix.
 790      * @return True, if ownCloud the ownCloud version is supporting creation time
 791      */
 792     private boolean ocVersionSupportsTimeCreated(){
 793         /*if(mAccount != null){
 794             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 795             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 796                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 797             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 798                 return true;
 799             }
 800         }*/
 801         return false;
 802     }
 803
 804
 805     /**
 806      * Once the file download has finished -> update view
 807      * @author Bartek Przybylski
 808      */
 809     private class DownloadFinishReceiver extends BroadcastReceiver {
 810         @Override
 811         public void onReceive(Context context, Intent intent) {
 812             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 813
 814             if (!isEmpty() && accountName.equals(mAccount.name)) {
 815                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 816                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 817                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 818                     if (downloadWasFine) {
 819                         mFile = mStorageManager.getFileByPath(downloadedRemotePath);
 820                     }
 821                     mContainerActivity.notifySuccessfulDownload(mFile, intent, downloadWasFine);
 822                     getActivity().removeStickyBroadcast(intent);
 823                     updateFileDetails(false);    // it updates the buttons; must be called although !downloadWasFine
 824                 }
 825             }
 826         }
 827     }
 828
 829
 830     /**
 831      * Once the file upload has finished -> update view
 832      *
 833      * Being notified about the finish of an upload is necessary for the next sequence:
 834      *   1. Upload a big file.
 835      *   2. Force a synchronization; if it finished before the upload, the file in transfer will be included in the local database and in the file list
 836      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 837      *   3. Click the file in the list to see its details.
 838      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 839      */
 840     private class UploadFinishReceiver extends BroadcastReceiver {
 841         @Override
 842         public void onReceive(Context context, Intent intent) {
 843             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 844
 845             if (!isEmpty() && accountName.equals(mAccount.name)) {
 846                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 847                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 848                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 849                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 850                     renamedInUpload) {
 851                     if (uploadWasFine) {
 852                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 853                     }
 854                     if (renamedInUpload) {
 855                         String newName = (new File(uploadRemotePath)).getName();
 856                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 857                         msg.show();
 858                     }
 859                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 860                     updateFileDetails(false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 861                 }
 862             }
 863         }
 864     }
 865
 866
 867     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 868     @SuppressWarnings("unused")
 869     private class ShareRunnable implements Runnable {
 870         private String mPath;
 871
 872         public ShareRunnable(String path) {
 873             mPath = path;
 874         }
 875
 876         public void run() {
 877             AccountManager am = AccountManager.get(getActivity());
 878             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 879             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 880             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 881
 882             Log.d("share", "sharing for version " + ocv.toString());
 883
 884             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 885                 String APPS_PATH = "/apps/files_sharing/";
 886                 String SHARE_PATH = "ajax/share.php";
 887
 888                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 889
 890                 final String WEBDAV_SCRIPT = "webdav.php";
 891                 final String WEBDAV_FILES_LOCATION = "/files/";
 892
 893                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 894                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 895                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 896
 897                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 898                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 899
 900                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 901
 902                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 903                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 904                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 905                 Log.d("share", mPath+"");
 906                 formparams.add(new BasicNameValuePair("sources",mPath));
 907                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 908                 formparams.add(new BasicNameValuePair("permissions", "0"));
 909                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 910
 911                 int status;
 912                 try {
 913                     PropFindMethod find = new PropFindMethod(url+"/");
 914                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 915                     Log.d("sharer", ""+ url+"/");
 916
 917                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 918                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 919                     }
 920
 921                     int status2 = wc.executeMethod(find);
 922
 923                     Log.d("sharer", "propstatus "+status2);
 924
 925                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 926                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 927
 928                     status2 = wc.executeMethod(get);
 929
 930                     Log.d("sharer", "getstatus "+status2);
 931                     Log.d("sharer", "" + get.getResponseBodyAsString());
 932
 933                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 934                         Log.d("sharer", a.getName() + ":"+a.getValue());
 935                     }
 936
 937                     status = wc.executeMethod(post);
 938                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 939                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 940                     }
 941                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 942                         Log.d("sharer", a.getName() + ":"+a.getValue());
 943                     }
 944                     String resp = post.getResponseBodyAsString();
 945                     Log.d("share", ""+post.getURI().toString());
 946                     Log.d("share", "returned status " + status);
 947                     Log.d("share", " " +resp);
 948
 949                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 950                         return;
 951                      }
 952
 953                     JSONObject jsonObject = new JSONObject (resp);
 954                     String jsonStatus = jsonObject.getString("status");
 955                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 956
 957                     String token = jsonObject.getString("data");
 958                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 959                     Log.d("Actions:shareFile ok", "url: " + uri);
 960
 961                 } catch (Exception e) {
 962                     e.printStackTrace();
 963                 }
 964
 965             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 966
 967             }
 968         }
 969     }
 970
 971     public void onDismiss(EditNameDialog dialog) {
 972         if (dialog.getResult()) {
 973             String newFilename = dialog.getNewFilename();
 974             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 975             mLastRemoteOperation = new RenameFileOperation( mFile,
 976                                                             mAccount,
 977                                                             newFilename,
 978                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 979             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 980             mLastRemoteOperation.execute(wc, this, mHandler);
 981             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 982             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 983         }
 984     }
 985
 986
 987     /**
 988      * {@inheritDoc}
 989      */
 990     @Override
 991     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 992         if (operation.equals(mLastRemoteOperation)) {
 993             if (operation instanceof RemoveFileOperation) {
 994                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 995
 996             } else if (operation instanceof RenameFileOperation) {
 997                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 998
 999             } else if (operation instanceof SynchronizeFileOperation) {
1000                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1001             }
1002         }
1003     }
1004
1005
1006     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1007         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1008         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1009
1010         if (result.isSuccess()) {
1011             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
1012             msg.show();
1013             if (inDisplayActivity) {
1014                 // double pane
1015                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
1016                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
1017                 transaction.commit();
1018                 mContainerActivity.onFileStateChanged();
1019             } else {
1020                 getActivity().finish();
1021             }
1022
1023         } else {
1024             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
1025             msg.show();
1026             if (result.isSslRecoverableException()) {
1027                 // TODO show the SSL warning dialog
1028             }
1029         }
1030     }
1031
1032     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1033         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1034         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1035
1036         if (result.isSuccess()) {
1037             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
1038             mContainerActivity.onFileStateChanged();
1039
1040         } else {
1041             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1042                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1043                 msg.show();
1044                 // TODO throw again the new rename dialog
1045             } else {
1046                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1047                 msg.show();
1048                 if (result.isSslRecoverableException()) {
1049                     // TODO show the SSL warning dialog
1050                 }
1051             }
1052         }
1053     }
1054
1055     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1056         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1057         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1058
1059         if (!result.isSuccess()) {
1060             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1061                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1062                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1063                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1064                 startActivity(i);
1065
1066             } else {
1067                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1068                 msg.show();
1069             }
1070
1071             if (mFile.isDown()) {
1072                 setButtonsForDown();
1073
1074             } else {
1075                 setButtonsForRemote();
1076             }
1077
1078         } else {
1079             if (operation.transferWasRequested()) {
1080                 setButtonsForTransferring();
1081                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1082                                                             // checking the service to see if the file is downloading results in FALSE
1083             } else {
1084                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1085                 msg.show();
1086                 if (mFile.isDown()) {
1087                     setButtonsForDown();
1088
1089                 } else {
1090                     setButtonsForRemote();
1091                 }
1092             }
1093         }
1094     }
1095
1096
1097     public void listenForTransferProgress() {
1098         if (mProgressListener != null) {
1099             if (mContainerActivity.getFileDownloaderBinder() != null) {
1100                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
1101             }
1102             if (mContainerActivity.getFileUploaderBinder() != null) {
1103                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
1104             }
1105         }
1106     }
1107
1108
1109     public void leaveTransferProgress() {
1110         if (mProgressListener != null) {
1111             if (mContainerActivity.getFileDownloaderBinder() != null) {
1112                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
1113             }
1114             if (mContainerActivity.getFileUploaderBinder() != null) {
1115                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
1116             }
1117         }
1118     }
1119
1120
1121
1122     /**
1123      * Helper class responsible for updating the progress bar shown for file uploading or downloading
1124      *
1125      * @author David A. Velasco
1126      */
1127     private class ProgressListener implements OnDatatransferProgressListener {
1128         int mLastPercent = 0;
1129         WeakReference<ProgressBar> mProgressBar = null;
1130
1131         ProgressListener(ProgressBar progressBar) {
1132             mProgressBar = new WeakReference<ProgressBar>(progressBar);
1133         }
1134
1135         @Override
1136         public void onTransferProgress(long progressRate) {
1137             // old method, nothing here
1138         };
1139
1140         @Override
1141         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
1142             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
1143             if (percent != mLastPercent) {
1144                 ProgressBar pb = mProgressBar.get();
1145                 if (pb != null) {
1146                     pb.setProgress(percent);
1147                     pb.postInvalidate();
1148                 }
1149             }
1150             mLastPercent = percent;
1151         }
1152
1153     };
1154
1155
1156
1157 }