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, 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         /*
 259         mDownloadFinishReceiver = new DownloadFinishReceiver();
 260         IntentFilter filter = new IntentFilter(
 261                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 262         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 263         */
 264
 265         mUploadFinishReceiver = new UploadFinishReceiver();
 266         IntentFilter filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 267         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 268
 269     }
 270
 271
 272     @Override
 273     public void onPause() {
 274         super.onPause();
 275
 276         /*
 277         if (mDownloadFinishReceiver != null) {
 278             getActivity().unregisterReceiver(mDownloadFinishReceiver);
 279             mDownloadFinishReceiver = null;
 280         }
 281         */
 282
 283         if (mUploadFinishReceiver != null) {
 284             getActivity().unregisterReceiver(mUploadFinishReceiver);
 285             mUploadFinishReceiver = null;
 286         }
 287     }
 288
 289
 290     @Override
 291     public void onStop() {
 292         super.onStop();
 293         if (mMediaServiceConnection != null) {
 294             Log.d(TAG, "Unbinding from MediaService ...");
 295             if (mMediaServiceBinder != null && mMediaController != null) {
 296                 mMediaServiceBinder.unregisterMediaController(mMediaController);
 297             }
 298             getActivity().unbindService(mMediaServiceConnection);
 299             mMediaServiceBinder = null;
 300             if (mMediaController != null) {
 301                 mMediaController.hide();
 302                 mMediaController = null;
 303             }
 304         }
 305         leaveTransferProgress();
 306     }
 307
 308
 309     @Override
 310     public View getView() {
 311         return super.getView() == null ? mView : super.getView();
 312     }
 313
 314
 315     @Override
 316     public void onClick(View v) {
 317         switch (v.getId()) {
 318             case R.id.fdDownloadBtn: {
 319                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 320                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 321                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 322                     downloaderBinder.cancel(mAccount, mFile);
 323                     if (mFile.isDown()) {
 324                         setButtonsForDown();
 325                     } else {
 326                         setButtonsForRemote();
 327                     }
 328
 329                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 330                     uploaderBinder.cancel(mAccount, mFile);
 331                     if (!mFile.fileExists()) {
 332                         // TODO make something better
 333                         if (getActivity() instanceof FileDisplayActivity) {
 334                             // double pane
 335                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 336                             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 337                             transaction.commit();
 338                             mContainerActivity.onFileStateChanged();
 339                         } else {
 340                             getActivity().finish();
 341                         }
 342
 343                     } else if (mFile.isDown()) {
 344                         setButtonsForDown();
 345                     } else {
 346                         setButtonsForRemote();
 347                     }
 348
 349                 } else {
 350                     mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 351                     WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 352                     mLastRemoteOperation.execute(wc, this, mHandler);
 353
 354                     // update ui
 355                     boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 356                     getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 357
 358                 }
 359                 break;
 360             }
 361             case R.id.fdKeepInSync: {
 362                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 363                 mFile.setKeepInSync(cb.isChecked());
 364                 mStorageManager.saveFile(mFile);
 365
 366                 /// register the OCFile instance in the observer service to monitor local updates;
 367                 /// if necessary, the file is download
 368                 Intent intent = new Intent(getActivity().getApplicationContext(),
 369                                            FileObserverService.class);
 370                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 371                            (cb.isChecked()?
 372                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 373                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 374                 intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 375                 intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 376                 getActivity().startService(intent);
 377
 378                 if (mFile.keepInSync()) {
 379                     onClick(getView().findViewById(R.id.fdDownloadBtn));    // force an immediate synchronization
 380                 }
 381                 break;
 382             }
 383             case R.id.fdRenameBtn: {
 384                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), mFile.getFileName(), this);
 385                 dialog.show(getFragmentManager(), "nameeditdialog");
 386                 break;
 387             }
 388             case R.id.fdRemoveBtn: {
 389                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 390                         R.string.confirmation_remove_alert,
 391                         new String[]{mFile.getFileName()},
 392                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 393                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 394                         R.string.common_cancel);
 395                 confDialog.setOnConfirmationListener(this);
 396                 confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 397                 break;
 398             }
 399             case R.id.fdOpenBtn: {
 400                 openFile();
 401                 break;
 402             }
 403             default:
 404                 Log.e(TAG, "Incorrect view clicked!");
 405         }
 406
 407         /* else if (v.getId() == R.id.fdShareBtn) {
 408             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 409             t.start();
 410         }*/
 411     }
 412
 413
 414     private void startVideoActivity() {
 415         Intent i = new Intent(getActivity(), PreviewVideoActivity.class);
 416         i.putExtra(PreviewVideoActivity.EXTRA_FILE, mFile);
 417         i.putExtra(PreviewVideoActivity.EXTRA_ACCOUNT, mAccount);
 418         startActivity(i);
 419     }
 420
 421
 422     private void bindMediaService() {
 423         Log.d(TAG, "Binding to MediaService...");
 424         if (mMediaServiceConnection == null) {
 425             mMediaServiceConnection = new MediaServiceConnection();
 426         }
 427         getActivity().bindService(  new Intent(getActivity(),
 428                                     MediaService.class),
 429                                     mMediaServiceConnection,
 430                                     Context.BIND_AUTO_CREATE);
 431             // follow the flow in MediaServiceConnection#onServiceConnected(...)
 432     }
 433
 434     /** Defines callbacks for service binding, passed to bindService() */
 435     private class MediaServiceConnection implements ServiceConnection {
 436
 437         @Override
 438         public void onServiceConnected(ComponentName component, IBinder service) {
 439             if (component.equals(new ComponentName(getActivity(), MediaService.class))) {
 440                 Log.d(TAG, "Media service connected");
 441                 mMediaServiceBinder = (MediaServiceBinder) service;
 442                 if (mMediaServiceBinder != null) {
 443                     if (mMediaController == null) {
 444                         mMediaController = new MediaController(getSherlockActivity());
 445                     }
 446                     prepareMediaController();
 447
 448                     Log.d(TAG, "Successfully bound to MediaService, MediaController ready");
 449
 450                 } else {
 451                     Log.e(TAG, "Unexpected response from MediaService while binding");
 452                 }
 453             }
 454         }
 455
 456         private void prepareMediaController() {
 457             mMediaServiceBinder.registerMediaController(mMediaController);
 458             mMediaController.setMediaPlayer(mMediaServiceBinder);
 459             mMediaController.setAnchorView(getView());
 460             mMediaController.setEnabled(mMediaServiceBinder.isInPlaybackState());
 461         }
 462
 463         @Override
 464         public void onServiceDisconnected(ComponentName component) {
 465             if (component.equals(new ComponentName(getActivity(), MediaService.class))) {
 466                 Log.e(TAG, "Media service suddenly disconnected");
 467                 if (mMediaController != null) {
 468                     mMediaController.hide();
 469                     mMediaController.setMediaPlayer(null);
 470                     mMediaController = null;
 471                 }
 472                 mMediaServiceBinder = null;
 473                 mMediaServiceConnection = null;
 474             }
 475         }
 476     }
 477
 478
 479     /**
 480      * Opens mFile.
 481      */
 482     private void openFile() {
 483
 484         String storagePath = mFile.getStoragePath();
 485         String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 486         try {
 487             Intent i = new Intent(Intent.ACTION_VIEW);
 488             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 489             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 490             startActivity(i);
 491
 492         } catch (Throwable t) {
 493             Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 494             boolean toastIt = true;
 495             String mimeType = "";
 496             try {
 497                 Intent i = new Intent(Intent.ACTION_VIEW);
 498                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 499                 if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 500                     if (mimeType != null) {
 501                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 502                     } else {
 503                         // desperate try
 504                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 505                     }
 506                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 507                     startActivity(i);
 508                     toastIt = false;
 509                 }
 510
 511             } catch (IndexOutOfBoundsException e) {
 512                 Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 513
 514             } catch (ActivityNotFoundException e) {
 515                 Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 516
 517             } catch (Throwable th) {
 518                 Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 519
 520             } finally {
 521                 if (toastIt) {
 522                     Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 523                 }
 524             }
 525
 526         }
 527     }
 528
 529
 530     @Override
 531     public void onConfirmation(String callerTag) {
 532         if (callerTag.equals(FTAG_CONFIRMATION)) {
 533             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 534                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 535                                                                 true,
 536                                                                 mStorageManager);
 537                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 538                 mLastRemoteOperation.execute(wc, this, mHandler);
 539
 540                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 541                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 542             }
 543         }
 544     }
 545
 546     @Override
 547     public void onNeutral(String callerTag) {
 548         File f = null;
 549         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 550             f.delete();
 551             mFile.setStoragePath(null);
 552             mStorageManager.saveFile(mFile);
 553             updateFileDetails(mFile, mAccount);
 554         }
 555     }
 556
 557     @Override
 558     public void onCancel(String callerTag) {
 559         Log.d(TAG, "REMOVAL CANCELED");
 560     }
 561
 562
 563     /**
 564      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 565      *
 566      * @return  True when the fragment was created with the empty layout.
 567      */
 568     public boolean isEmpty() {
 569         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 570     }
 571
 572
 573     /**
 574      * {@inheritDoc}
 575      */
 576     public OCFile getFile(){
 577         return mFile;
 578     }
 579
 580     /**
 581      * Use this method to signal this Activity that it shall update its view.
 582      *
 583      * @param file : An {@link OCFile}
 584      */
 585     public void updateFileDetails(OCFile file, Account ocAccount) {
 586         mFile = file;
 587         if (ocAccount != null && (
 588                 mStorageManager == null ||
 589                 (mAccount != null && !mAccount.equals(ocAccount))
 590            )) {
 591             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 592         }
 593         mAccount = ocAccount;
 594         updateFileDetails(false, false);
 595     }
 596
 597
 598     /**
 599      * Updates the view with all relevant details about that file.
 600      *
 601      * TODO Remove parameter when the transferring state of files is kept in database.
 602      *
 603      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 604      *
 605      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 606      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 607      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 608      *
 609      * @param refresh           If 'true', try to refresh the hold file from the database
 610      */
 611     public void updateFileDetails(boolean transferring, boolean refresh) {
 612
 613         if (readyToShow()) {
 614
 615             if (refresh && mStorageManager != null) {
 616                 mFile = mStorageManager.getFileByPath(mFile.getRemotePath());
 617             }
 618
 619             // set file details
 620             setFilename(mFile.getFileName());
 621             setFiletype(mFile.getMimetype());
 622             setFilesize(mFile.getFileLength());
 623             if(ocVersionSupportsTimeCreated()){
 624                 setTimeCreated(mFile.getCreationTimestamp());
 625             }
 626
 627             setTimeModified(mFile.getModificationTimestamp());
 628
 629             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 630             cb.setChecked(mFile.keepInSync());
 631
 632             // configure UI for depending upon local state of the file
 633             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 634             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 635             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 636             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 637                 setButtonsForTransferring();
 638
 639             } else if (mFile.isDown()) {
 640
 641                 setButtonsForDown();
 642
 643             } else {
 644                 // TODO load default preview image; when the local file is removed, the preview remains there
 645                 setButtonsForRemote();
 646             }
 647         }
 648         getView().invalidate();
 649     }
 650
 651
 652     /**
 653      * Checks if the fragment is ready to show details of a OCFile
 654      *
 655      * @return  'True' when the fragment is ready to show details of a file
 656      */
 657     private boolean readyToShow() {
 658         return (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 659     }
 660
 661
 662
 663     /**
 664      * Updates the filename in view
 665      * @param filename to set
 666      */
 667     private void setFilename(String filename) {
 668         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 669         if (tv != null)
 670             tv.setText(filename);
 671     }
 672
 673     /**
 674      * Updates the MIME type in view
 675      * @param mimetype to set
 676      */
 677     private void setFiletype(String mimetype) {
 678         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 679         if (tv != null) {
 680             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 681             tv.setText(printableMimetype);
 682         }
 683         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 684         if (iv != null) {
 685             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 686         }
 687     }
 688
 689     /**
 690      * Updates the file size in view
 691      * @param filesize in bytes to set
 692      */
 693     private void setFilesize(long filesize) {
 694         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 695         if (tv != null)
 696             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 697     }
 698
 699     /**
 700      * Updates the time that the file was created in view
 701      * @param milliseconds Unix time to set
 702      */
 703     private void setTimeCreated(long milliseconds){
 704         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 705         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 706         if(tv != null){
 707             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 708             tv.setVisibility(View.VISIBLE);
 709             tvLabel.setVisibility(View.VISIBLE);
 710         }
 711     }
 712
 713     /**
 714      * Updates the time that the file was last modified
 715      * @param milliseconds Unix time to set
 716      */
 717     private void setTimeModified(long milliseconds){
 718         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 719         if(tv != null){
 720             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 721         }
 722     }
 723
 724     /**
 725      * Enables or disables buttons for a file being downloaded
 726      */
 727     private void setButtonsForTransferring() {
 728         if (!isEmpty()) {
 729             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 730             downloadButton.setText(R.string.common_cancel);
 731             //downloadButton.setEnabled(false);
 732
 733             // let's protect the user from himself ;)
 734             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 735             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 736             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 737             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 738
 739             // show the progress bar for the transfer
 740             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 741             progressBar.setVisibility(View.VISIBLE);
 742             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 743             progressText.setVisibility(View.VISIBLE);
 744             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 745             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 746             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 747                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 748             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 749                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 750             }
 751         }
 752     }
 753
 754
 755     /**
 756      * Enables or disables buttons for a file locally available
 757      */
 758     private void setButtonsForDown() {
 759         if (!isEmpty()) {
 760             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 761             downloadButton.setText(R.string.filedetails_sync_file);
 762
 763             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 764             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 765             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 766             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 767
 768             // hides the progress bar
 769             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 770             progressBar.setVisibility(View.GONE);
 771             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 772             progressText.setVisibility(View.GONE);
 773         }
 774     }
 775
 776     /**
 777      * Enables or disables buttons for a file not locally available
 778      */
 779     private void setButtonsForRemote() {
 780         if (!isEmpty()) {
 781             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 782             downloadButton.setText(R.string.filedetails_download);
 783
 784             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 785             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 786             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 787             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 788
 789             // hides the progress bar
 790             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 791             progressBar.setVisibility(View.GONE);
 792             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 793             progressText.setVisibility(View.GONE);
 794         }
 795     }
 796
 797
 798     /**
 799      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 800      * the time that the file was created. There is a chance that this will
 801      * be fixed in future versions. Use this method to check if this version of
 802      * ownCloud has this fix.
 803      * @return True, if ownCloud the ownCloud version is supporting creation time
 804      */
 805     private boolean ocVersionSupportsTimeCreated(){
 806         /*if(mAccount != null){
 807             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 808             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 809                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 810             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 811                 return true;
 812             }
 813         }*/
 814         return false;
 815     }
 816
 817
 818     /* *
 819      * Once the file download has finished -> update view
 820      * @author Bartek Przybylski
 821      * - /
 822     private class DownloadFinishReceiver extends BroadcastReceiver {
 823         @Override
 824         public void onReceive(Context context, Intent intent) {
 825             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 826
 827             if (!isEmpty() && accountName.equals(mAccount.name)) {
 828                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 829                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 830                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 831                     if (downloadWasFine) {
 832                         mFile = mStorageManager.getFileByPath(downloadedRemotePath);
 833                     }
 834                     mContainerActivity.notifySuccessfulDownload(mFile, intent, downloadWasFine);
 835                     getActivity().removeStickyBroadcast(intent);
 836                     updateFileDetails(false);    // it updates the buttons; must be called although !downloadWasFine
 837                 }
 838             }
 839         }
 840     }
 841     */
 842
 843
 844     /**
 845      * Once the file upload has finished -> update view
 846      *
 847      * Being notified about the finish of an upload is necessary for the next sequence:
 848      *   1. Upload a big file.
 849      *   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
 850      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 851      *   3. Click the file in the list to see its details.
 852      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 853      */
 854     private class UploadFinishReceiver extends BroadcastReceiver {
 855         @Override
 856         public void onReceive(Context context, Intent intent) {
 857             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 858
 859             if (!isEmpty() && accountName.equals(mAccount.name)) {
 860                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 861                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 862                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 863                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 864                     renamedInUpload) {
 865                     if (uploadWasFine) {
 866                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 867                     }
 868                     if (renamedInUpload) {
 869                         String newName = (new File(uploadRemotePath)).getName();
 870                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 871                         msg.show();
 872                     }
 873                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 874                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 875                 }
 876             }
 877         }
 878     }
 879
 880
 881     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 882     @SuppressWarnings("unused")
 883     private class ShareRunnable implements Runnable {
 884         private String mPath;
 885
 886         public ShareRunnable(String path) {
 887             mPath = path;
 888         }
 889
 890         public void run() {
 891             AccountManager am = AccountManager.get(getActivity());
 892             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 893             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 894             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 895
 896             Log.d("share", "sharing for version " + ocv.toString());
 897
 898             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 899                 String APPS_PATH = "/apps/files_sharing/";
 900                 String SHARE_PATH = "ajax/share.php";
 901
 902                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 903
 904                 final String WEBDAV_SCRIPT = "webdav.php";
 905                 final String WEBDAV_FILES_LOCATION = "/files/";
 906
 907                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 908                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 909                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 910
 911                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 912                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 913
 914                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 915
 916                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 917                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 918                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 919                 Log.d("share", mPath+"");
 920                 formparams.add(new BasicNameValuePair("sources",mPath));
 921                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 922                 formparams.add(new BasicNameValuePair("permissions", "0"));
 923                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 924
 925                 int status;
 926                 try {
 927                     PropFindMethod find = new PropFindMethod(url+"/");
 928                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 929                     Log.d("sharer", ""+ url+"/");
 930
 931                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 932                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 933                     }
 934
 935                     int status2 = wc.executeMethod(find);
 936
 937                     Log.d("sharer", "propstatus "+status2);
 938
 939                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 940                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 941
 942                     status2 = wc.executeMethod(get);
 943
 944                     Log.d("sharer", "getstatus "+status2);
 945                     Log.d("sharer", "" + get.getResponseBodyAsString());
 946
 947                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 948                         Log.d("sharer", a.getName() + ":"+a.getValue());
 949                     }
 950
 951                     status = wc.executeMethod(post);
 952                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 953                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 954                     }
 955                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 956                         Log.d("sharer", a.getName() + ":"+a.getValue());
 957                     }
 958                     String resp = post.getResponseBodyAsString();
 959                     Log.d("share", ""+post.getURI().toString());
 960                     Log.d("share", "returned status " + status);
 961                     Log.d("share", " " +resp);
 962
 963                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 964                         return;
 965                      }
 966
 967                     JSONObject jsonObject = new JSONObject (resp);
 968                     String jsonStatus = jsonObject.getString("status");
 969                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 970
 971                     String token = jsonObject.getString("data");
 972                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 973                     Log.d("Actions:shareFile ok", "url: " + uri);
 974
 975                 } catch (Exception e) {
 976                     e.printStackTrace();
 977                 }
 978
 979             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 980
 981             }
 982         }
 983     }
 984
 985     public void onDismiss(EditNameDialog dialog) {
 986         if (dialog.getResult()) {
 987             String newFilename = dialog.getNewFilename();
 988             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 989             mLastRemoteOperation = new RenameFileOperation( mFile,
 990                                                             mAccount,
 991                                                             newFilename,
 992                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 993             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 994             mLastRemoteOperation.execute(wc, this, mHandler);
 995             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 996             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 997         }
 998     }
 999
1000
1001     /**
1002      * {@inheritDoc}
1003      */
1004     @Override
1005     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1006         if (operation.equals(mLastRemoteOperation)) {
1007             if (operation instanceof RemoveFileOperation) {
1008                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1009
1010             } else if (operation instanceof RenameFileOperation) {
1011                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
1012
1013             } else if (operation instanceof SynchronizeFileOperation) {
1014                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1015             }
1016         }
1017     }
1018
1019
1020     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1021         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1022         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1023
1024         if (result.isSuccess()) {
1025             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
1026             msg.show();
1027             if (inDisplayActivity) {
1028                 // double pane
1029                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
1030                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
1031                 transaction.commit();
1032                 mContainerActivity.onFileStateChanged();
1033             } else {
1034                 getActivity().finish();
1035             }
1036
1037         } else {
1038             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
1039             msg.show();
1040             if (result.isSslRecoverableException()) {
1041                 // TODO show the SSL warning dialog
1042             }
1043         }
1044     }
1045
1046     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1047         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1048         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1049
1050         if (result.isSuccess()) {
1051             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
1052             mContainerActivity.onFileStateChanged();
1053
1054         } else {
1055             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1056                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1057                 msg.show();
1058                 // TODO throw again the new rename dialog
1059             } else {
1060                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1061                 msg.show();
1062                 if (result.isSslRecoverableException()) {
1063                     // TODO show the SSL warning dialog
1064                 }
1065             }
1066         }
1067     }
1068
1069     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1070         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1071         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1072
1073         if (!result.isSuccess()) {
1074             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1075                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1076                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1077                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1078                 startActivity(i);
1079
1080             } else {
1081                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1082                 msg.show();
1083             }
1084
1085             if (mFile.isDown()) {
1086                 setButtonsForDown();
1087
1088             } else {
1089                 setButtonsForRemote();
1090             }
1091
1092         } else {
1093             if (operation.transferWasRequested()) {
1094                 setButtonsForTransferring();
1095                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1096                                                             // checking the service to see if the file is downloading results in FALSE
1097             } else {
1098                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1099                 msg.show();
1100                 if (mFile.isDown()) {
1101                     setButtonsForDown();
1102
1103                 } else {
1104                     setButtonsForRemote();
1105                 }
1106             }
1107         }
1108     }
1109
1110
1111     public void listenForTransferProgress() {
1112         if (mProgressListener != null) {
1113             if (mContainerActivity.getFileDownloaderBinder() != null) {
1114                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
1115             }
1116             if (mContainerActivity.getFileUploaderBinder() != null) {
1117                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
1118             }
1119         }
1120     }
1121
1122
1123     public void leaveTransferProgress() {
1124         if (mProgressListener != null) {
1125             if (mContainerActivity.getFileDownloaderBinder() != null) {
1126                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
1127             }
1128             if (mContainerActivity.getFileUploaderBinder() != null) {
1129                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
1130             }
1131         }
1132     }
1133
1134
1135
1136     /**
1137      * Helper class responsible for updating the progress bar shown for file uploading or downloading
1138      *
1139      * @author David A. Velasco
1140      */
1141     private class ProgressListener implements OnDatatransferProgressListener {
1142         int mLastPercent = 0;
1143         WeakReference<ProgressBar> mProgressBar = null;
1144
1145         ProgressListener(ProgressBar progressBar) {
1146             mProgressBar = new WeakReference<ProgressBar>(progressBar);
1147         }
1148
1149         @Override
1150         public void onTransferProgress(long progressRate) {
1151             // old method, nothing here
1152         };
1153
1154         @Override
1155         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
1156             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
1157             if (percent != mLastPercent) {
1158                 ProgressBar pb = mProgressBar.get();
1159                 if (pb != null) {
1160                     pb.setProgress(percent);
1161                     pb.postInvalidate();
1162                 }
1163             }
1164             mLastPercent = percent;
1165         }
1166
1167     };
1168
1169
1170
1171 }