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