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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   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 android.accounts.Account;
  26 import android.app.Activity;
  27 import android.content.BroadcastReceiver;
  28 import android.content.Context;
  29 import android.content.Intent;
  30 import android.content.IntentFilter;
  31 import android.os.Bundle;
  32 import android.os.Handler;
  33 import android.view.LayoutInflater;
  34 import android.view.View;
  35 import android.view.View.OnClickListener;
  36 import android.view.ViewGroup;
  37 import android.widget.CheckBox;
  38 import android.widget.ImageView;
  39 import android.widget.ProgressBar;
  40 import android.widget.TextView;
  41 import android.widget.Toast;
  42
  43 import com.actionbarsherlock.view.Menu;
  44 import com.actionbarsherlock.view.MenuInflater;
  45 import com.actionbarsherlock.view.MenuItem;
  46 import com.owncloud.android.R;
  47 import com.owncloud.android.datamodel.FileDataStorageManager;
  48 import com.owncloud.android.datamodel.OCFile;
  49 import com.owncloud.android.files.services.FileObserverService;
  50 import com.owncloud.android.files.services.FileUploader;
  51 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  52 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  53 import com.owncloud.android.lib.network.OnDatatransferProgressListener;
  54 import com.owncloud.android.lib.operations.common.OnRemoteOperationListener;
  55 import com.owncloud.android.lib.operations.common.RemoteOperation;
  56 import com.owncloud.android.lib.operations.common.RemoteOperationResult;
  57 import com.owncloud.android.lib.operations.common.RemoteOperationResult.ResultCode;
  58 import com.owncloud.android.operations.RemoveFileOperation;
  59 import com.owncloud.android.operations.RenameFileOperation;
  60 import com.owncloud.android.operations.SynchronizeFileOperation;
  61 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  62 import com.owncloud.android.ui.activity.FileActivity;
  63 import com.owncloud.android.ui.activity.FileDisplayActivity;
  64 import com.owncloud.android.ui.dialog.EditNameDialog;
  65 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  66 import com.owncloud.android.ui.preview.PreviewImageFragment;
  67 import com.owncloud.android.utils.DisplayUtils;
  68 import com.owncloud.android.utils.Log_OC;
  69
  70
  71 /**
  72  * This Fragment is used to display the details about a file.
  73  *
  74  * @author Bartek Przybylski
  75  * @author David A. Velasco
  76  */
  77 public class FileDetailFragment extends FileFragment implements
  78         OnClickListener,
  79         ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener {
  80
  81     private FileFragment.ContainerActivity mContainerActivity;
  82
  83     private int mLayout;
  84     private View mView;
  85     private Account mAccount;
  86     private FileDataStorageManager mStorageManager;
  87
  88     private UploadFinishReceiver mUploadFinishReceiver;
  89     public ProgressListener mProgressListener;
  90
  91     private Handler mHandler;
  92     private RemoteOperation mLastRemoteOperation;
  93
  94     private static final String TAG = FileDetailFragment.class.getSimpleName();
  95     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
  96
  97
  98     /**
  99      * Creates an empty details fragment.
 100      *
 101      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 102      */
 103     public FileDetailFragment() {
 104         super();
 105         mAccount = null;
 106         mStorageManager = null;
 107         mLayout = R.layout.file_details_empty;
 108         mProgressListener = null;
 109     }
 110
 111     /**
 112      * Creates a details fragment.
 113      *
 114      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 115      *
 116      * @param fileToDetail      An {@link OCFile} to show in the fragment
 117      * @param ocAccount         An ownCloud account; needed to start downloads
 118      */
 119     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 120         super(fileToDetail);
 121         mAccount = ocAccount;
 122         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 123         mLayout = R.layout.file_details_empty;
 124         mProgressListener = null;
 125     }
 126
 127
 128     @Override
 129     public void onCreate(Bundle savedInstanceState) {
 130         super.onCreate(savedInstanceState);
 131         mHandler = new Handler();
 132         setHasOptionsMenu(true);
 133     }
 134
 135
 136     @Override
 137     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 138             Bundle savedInstanceState) {
 139         //super.onCreateView(inflater, container, savedInstanceState);
 140
 141         if (savedInstanceState != null) {
 142             setFile((OCFile)savedInstanceState.getParcelable(FileActivity.EXTRA_FILE));
 143             mAccount = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
 144         }
 145
 146         if(getFile() != null && mAccount != null) {
 147             mLayout = R.layout.file_details_fragment;
 148         }
 149
 150         View view = null;
 151         //view = inflater.inflate(mLayout, container, false);
 152         view = inflater.inflate(mLayout, null);
 153         mView = view;
 154
 155         if (mLayout == R.layout.file_details_fragment) {
 156             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 157             ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
 158             mProgressListener = new ProgressListener(progressBar);
 159             mView.findViewById(R.id.fdCancelBtn).setOnClickListener(this);
 160         }
 161
 162         updateFileDetails(false, false);
 163         return view;
 164     }
 165
 166     /**
 167      * {@inheritDoc}
 168      */
 169     @Override
 170     public void onAttach(Activity activity) {
 171         super.onAttach(activity);
 172         try {
 173             mContainerActivity = (ContainerActivity) activity;
 174
 175         } catch (ClassCastException e) {
 176             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 177         }
 178     }
 179
 180
 181     /**
 182      * {@inheritDoc}
 183      */
 184     @Override
 185     public void onActivityCreated(Bundle savedInstanceState) {
 186         super.onActivityCreated(savedInstanceState);
 187         if (mAccount != null) {
 188             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 189         }
 190     }
 191
 192
 193     @Override
 194     public void onSaveInstanceState(Bundle outState) {
 195         super.onSaveInstanceState(outState);
 196         outState.putParcelable(FileActivity.EXTRA_FILE, getFile());
 197         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, mAccount);
 198     }
 199
 200     @Override
 201     public void onStart() {
 202         super.onStart();
 203         listenForTransferProgress();
 204     }
 205
 206     @Override
 207     public void onResume() {
 208         super.onResume();
 209         mUploadFinishReceiver = new UploadFinishReceiver();
 210         IntentFilter filter = new IntentFilter(FileUploader.getUploadFinishMessage());
 211         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 212
 213     }
 214
 215
 216     @Override
 217     public void onPause() {
 218         super.onPause();
 219         if (mUploadFinishReceiver != null) {
 220             getActivity().unregisterReceiver(mUploadFinishReceiver);
 221             mUploadFinishReceiver = null;
 222         }
 223     }
 224
 225
 226     @Override
 227     public void onStop() {
 228         super.onStop();
 229         leaveTransferProgress();
 230     }
 231
 232
 233     @Override
 234     public View getView() {
 235         return super.getView() == null ? mView : super.getView();
 236     }
 237
 238
 239     /**
 240      * {@inheritDoc}
 241      */
 242     @Override
 243     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 244         super.onCreateOptionsMenu(menu, inflater);
 245         inflater.inflate(R.menu.file_actions_menu, menu);
 246         MenuItem item = menu.findItem(R.id.action_see_details);
 247         if (item != null) {
 248             item.setVisible(false);
 249             item.setEnabled(false);
 250         }
 251     }
 252
 253
 254     /**
 255      * {@inheritDoc}
 256      */
 257     @Override
 258     public void onPrepareOptionsMenu (Menu menu) {
 259         super.onPrepareOptionsMenu(menu);
 260
 261         List<Integer> toHide = new ArrayList<Integer>();
 262         List<Integer> toShow = new ArrayList<Integer>();
 263         OCFile file = getFile();
 264
 265         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 266         boolean downloading = downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file);
 267         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 268         boolean uploading = uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile());
 269
 270         if (downloading || uploading) {
 271             toHide.add(R.id.action_download_file);
 272             toHide.add(R.id.action_rename_file);
 273             toHide.add(R.id.action_remove_file);
 274             toHide.add(R.id.action_open_file_with);
 275             if (!downloading) {
 276                 toHide.add(R.id.action_cancel_download);
 277                 toShow.add(R.id.action_cancel_upload);
 278             } else {
 279                 toHide.add(R.id.action_cancel_upload);
 280                 toShow.add(R.id.action_cancel_download);
 281             }
 282
 283         } else if (file != null && file.isDown()) {
 284             toHide.add(R.id.action_download_file);
 285             toHide.add(R.id.action_cancel_download);
 286             toHide.add(R.id.action_cancel_upload);
 287
 288             toShow.add(R.id.action_rename_file);
 289             toShow.add(R.id.action_remove_file);
 290             toShow.add(R.id.action_open_file_with);
 291             toShow.add(R.id.action_sync_file);
 292
 293         } else if (file != null) {
 294             toHide.add(R.id.action_open_file_with);
 295             toHide.add(R.id.action_cancel_download);
 296             toHide.add(R.id.action_cancel_upload);
 297             toHide.add(R.id.action_sync_file);
 298
 299             toShow.add(R.id.action_rename_file);
 300             toShow.add(R.id.action_remove_file);
 301             toShow.add(R.id.action_download_file);
 302
 303         } else {
 304             toHide.add(R.id.action_open_file_with);
 305             toHide.add(R.id.action_cancel_download);
 306             toHide.add(R.id.action_cancel_upload);
 307             toHide.add(R.id.action_sync_file);
 308             toHide.add(R.id.action_download_file);
 309             toHide.add(R.id.action_rename_file);
 310             toHide.add(R.id.action_remove_file);
 311
 312         }
 313
 314         // Options shareLink
 315         if (!file.isShareByLink()) {
 316             toHide.add(R.id.action_unshare_file);
 317         }
 318
 319         MenuItem item = null;
 320         for (int i : toHide) {
 321             item = menu.findItem(i);
 322             if (item != null) {
 323                 item.setVisible(false);
 324                 item.setEnabled(false);
 325             }
 326         }
 327         for (int i : toShow) {
 328             item = menu.findItem(i);
 329             if (item != null) {
 330                 item.setVisible(true);
 331                 item.setEnabled(true);
 332             }
 333         }
 334     }
 335
 336
 337     /**
 338      * {@inheritDoc}
 339      */
 340     @Override
 341     public boolean onOptionsItemSelected(MenuItem item) {
 342         switch (item.getItemId()) {
 343             case R.id.action_share_file: {
 344                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 345                 activity.getFileOperationsHelper().shareFileWithLink(getFile(), activity);
 346                 return true;
 347             }
 348             case R.id.action_open_file_with: {
 349                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 350                 activity.getFileOperationsHelper().openFile(getFile(), activity);
 351                 return true;
 352             }
 353             case R.id.action_remove_file: {
 354                 removeFile();
 355                 return true;
 356             }
 357             case R.id.action_rename_file: {
 358                 renameFile();
 359                 return true;
 360             }
 361             case R.id.action_download_file:
 362             case R.id.action_cancel_download:
 363             case R.id.action_cancel_upload:
 364             case R.id.action_sync_file: {
 365                 synchronizeFile();
 366                 return true;
 367             }
 368             default:
 369                 return false;
 370         }
 371     }
 372
 373     @Override
 374     public void onClick(View v) {
 375         switch (v.getId()) {
 376             case R.id.fdKeepInSync: {
 377                 toggleKeepInSync();
 378                 break;
 379             }
 380             case R.id.fdCancelBtn: {
 381                 synchronizeFile();
 382                 break;
 383             }
 384             default:
 385                 Log_OC.e(TAG, "Incorrect view clicked!");
 386         }
 387     }
 388
 389
 390     private void toggleKeepInSync() {
 391         CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 392         OCFile file = getFile();
 393         file.setKeepInSync(cb.isChecked());
 394         mStorageManager.saveFile(file);
 395
 396         /// register the OCFile instance in the observer service to monitor local updates;
 397         /// if necessary, the file is download
 398         Intent intent = new Intent(getActivity().getApplicationContext(),
 399                                    FileObserverService.class);
 400         intent.putExtra(FileObserverService.KEY_FILE_CMD,
 401                    (cb.isChecked()?
 402                            FileObserverService.CMD_ADD_OBSERVED_FILE:
 403                            FileObserverService.CMD_DEL_OBSERVED_FILE));
 404         intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, file);
 405         intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 406         getActivity().startService(intent);
 407
 408         if (file.keepInSync()) {
 409             synchronizeFile();   // force an immediate synchronization
 410         }
 411     }
 412
 413     private void removeFile() {
 414         OCFile file = getFile();
 415         ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 416                 R.string.confirmation_remove_alert,
 417                 new String[]{file.getFileName()},
 418                 file.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 419                 file.isDown() ? R.string.confirmation_remove_local : -1,
 420                 R.string.common_cancel);
 421         confDialog.setOnConfirmationListener(this);
 422         confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 423     }
 424
 425
 426     private void renameFile() {
 427         OCFile file = getFile();
 428         String fileName = file.getFileName();
 429         int extensionStart = file.isFolder() ? -1 : fileName.lastIndexOf(".");
 430         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 431         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 432         dialog.show(getFragmentManager(), "nameeditdialog");
 433     }
 434
 435     private void synchronizeFile() {
 436         OCFile file = getFile();
 437         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 438         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 439         if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 440             downloaderBinder.cancel(mAccount, file);
 441             if (file.isDown()) {
 442                 setButtonsForDown();
 443             } else {
 444                 setButtonsForRemote();
 445             }
 446
 447         } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 448             uploaderBinder.cancel(mAccount, file);
 449             if (!file.fileExists()) {
 450                 // TODO make something better
 451                 ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 452
 453             } else if (file.isDown()) {
 454                 setButtonsForDown();
 455             } else {
 456                 setButtonsForRemote();
 457             }
 458
 459         } else {
 460             mLastRemoteOperation = new SynchronizeFileOperation(file, null, mStorageManager, mAccount, true, getActivity());
 461             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 462
 463             // update ui
 464             ((FileDisplayActivity) getActivity()).showLoadingDialog();
 465
 466         }
 467     }
 468
 469     @Override
 470     public void onConfirmation(String callerTag) {
 471         OCFile file = getFile();
 472         if (callerTag.equals(FTAG_CONFIRMATION)) {
 473             if (mStorageManager.getFileById(file.getFileId()) != null) {
 474                 mLastRemoteOperation = new RemoveFileOperation( file,
 475                                                                 true,
 476                                                                 mStorageManager);
 477                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 478
 479                 ((FileDisplayActivity) getActivity()).showLoadingDialog();
 480             }
 481         }
 482     }
 483
 484     @Override
 485     public void onNeutral(String callerTag) {
 486         OCFile file = getFile();
 487         mStorageManager.removeFile(file, false, true);    // TODO perform in background task / new thread
 488         if (file.getStoragePath() != null) {
 489             file.setStoragePath(null);
 490             updateFileDetails(file, mAccount);
 491         }
 492     }
 493
 494     @Override
 495     public void onCancel(String callerTag) {
 496         Log_OC.d(TAG, "REMOVAL CANCELED");
 497     }
 498
 499
 500     /**
 501      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 502      *
 503      * @return  True when the fragment was created with the empty layout.
 504      */
 505     public boolean isEmpty() {
 506         return (mLayout == R.layout.file_details_empty || getFile() == null || mAccount == null);
 507     }
 508
 509
 510     /**
 511      * Use this method to signal this Activity that it shall update its view.
 512      *
 513      * @param file : An {@link OCFile}
 514      */
 515     public void updateFileDetails(OCFile file, Account ocAccount) {
 516         setFile(file);
 517         if (ocAccount != null && (
 518                 mStorageManager == null ||
 519                 (mAccount != null && !mAccount.equals(ocAccount))
 520            )) {
 521             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 522         }
 523         mAccount = ocAccount;
 524         updateFileDetails(false, false);
 525     }
 526
 527     /**
 528      * Updates the view with all relevant details about that file.
 529      *
 530      * TODO Remove parameter when the transferring state of files is kept in database.
 531      *
 532      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 533      *
 534      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 535      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 536      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 537      *
 538      * @param refresh           If 'true', try to refresh the hold file from the database
 539      */
 540     public void updateFileDetails(boolean transferring, boolean refresh) {
 541
 542         if (readyToShow()) {
 543
 544             if (refresh && mStorageManager != null) {
 545                 setFile(mStorageManager.getFileByPath(getFile().getRemotePath()));
 546             }
 547             OCFile file = getFile();
 548
 549             // set file details
 550             setFilename(file.getFileName());
 551             setFiletype(file.getMimetype());
 552             setFilesize(file.getFileLength());
 553             if(ocVersionSupportsTimeCreated()){
 554                 setTimeCreated(file.getCreationTimestamp());
 555             }
 556
 557             setTimeModified(file.getModificationTimestamp());
 558
 559             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 560             cb.setChecked(file.keepInSync());
 561
 562             // configure UI for depending upon local state of the file
 563             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 564             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 565             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 566             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file))) {
 567                 setButtonsForTransferring();
 568
 569             } else if (file.isDown()) {
 570
 571                 setButtonsForDown();
 572
 573             } else {
 574                 // TODO load default preview image; when the local file is removed, the preview remains there
 575                 setButtonsForRemote();
 576             }
 577         }
 578         getView().invalidate();
 579     }
 580
 581     /**
 582      * Checks if the fragment is ready to show details of a OCFile
 583      *
 584      * @return  'True' when the fragment is ready to show details of a file
 585      */
 586     private boolean readyToShow() {
 587         return (getFile() != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 588     }
 589
 590
 591     /**
 592      * Updates the filename in view
 593      * @param filename to set
 594      */
 595     private void setFilename(String filename) {
 596         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 597         if (tv != null)
 598             tv.setText(filename);
 599     }
 600
 601     /**
 602      * Updates the MIME type in view
 603      * @param mimetype to set
 604      */
 605     private void setFiletype(String mimetype) {
 606         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 607         if (tv != null) {
 608             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 609             tv.setText(printableMimetype);
 610         }
 611         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 612         if (iv != null) {
 613             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 614         }
 615     }
 616
 617     /**
 618      * Updates the file size in view
 619      * @param filesize in bytes to set
 620      */
 621     private void setFilesize(long filesize) {
 622         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 623         if (tv != null)
 624             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 625     }
 626
 627     /**
 628      * Updates the time that the file was created in view
 629      * @param milliseconds Unix time to set
 630      */
 631     private void setTimeCreated(long milliseconds){
 632         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 633         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 634         if(tv != null){
 635             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 636             tv.setVisibility(View.VISIBLE);
 637             tvLabel.setVisibility(View.VISIBLE);
 638         }
 639     }
 640
 641     /**
 642      * Updates the time that the file was last modified
 643      * @param milliseconds Unix time to set
 644      */
 645     private void setTimeModified(long milliseconds){
 646         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 647         if(tv != null){
 648             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 649         }
 650     }
 651
 652     /**
 653      * Enables or disables buttons for a file being downloaded
 654      */
 655     private void setButtonsForTransferring() {
 656         if (!isEmpty()) {
 657             // let's protect the user from himself ;)
 658             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 659
 660             // show the progress bar for the transfer
 661             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 662             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 663             progressText.setVisibility(View.VISIBLE);
 664             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 665             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 666             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile())) {
 667                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 668             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile())) {
 669                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 670             }
 671         }
 672     }
 673
 674     /**
 675      * Enables or disables buttons for a file locally available
 676      */
 677     private void setButtonsForDown() {
 678         if (!isEmpty()) {
 679             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 680
 681             // hides the progress bar
 682             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 683             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 684             progressText.setVisibility(View.GONE);
 685         }
 686     }
 687
 688     /**
 689      * Enables or disables buttons for a file not locally available
 690      */
 691     private void setButtonsForRemote() {
 692         if (!isEmpty()) {
 693             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 694
 695             // hides the progress bar
 696             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 697             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 698             progressText.setVisibility(View.GONE);
 699         }
 700     }
 701
 702
 703     /**
 704      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 705      * the time that the file was created. There is a chance that this will
 706      * be fixed in future versions. Use this method to check if this version of
 707      * ownCloud has this fix.
 708      * @return True, if ownCloud the ownCloud version is supporting creation time
 709      */
 710     private boolean ocVersionSupportsTimeCreated(){
 711         /*if(mAccount != null){
 712             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 713             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 714                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 715             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 716                 return true;
 717             }
 718         }*/
 719         return false;
 720     }
 721
 722
 723     /**
 724      * Once the file upload has finished -> update view
 725      *
 726      * Being notified about the finish of an upload is necessary for the next sequence:
 727      *   1. Upload a big file.
 728      *   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
 729      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 730      *   3. Click the file in the list to see its details.
 731      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 732      */
 733     private class UploadFinishReceiver extends BroadcastReceiver {
 734         @Override
 735         public void onReceive(Context context, Intent intent) {
 736             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 737
 738             if (!isEmpty() && accountName.equals(mAccount.name)) {
 739                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 740                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 741                 boolean renamedInUpload = getFile().getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 742                 if (getFile().getRemotePath().equals(uploadRemotePath) ||
 743                     renamedInUpload) {
 744                     if (uploadWasFine) {
 745                         setFile(mStorageManager.getFileByPath(uploadRemotePath));
 746                     }
 747                     if (renamedInUpload) {
 748                         String newName = (new File(uploadRemotePath)).getName();
 749                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 750                         msg.show();
 751                     }
 752                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 753
 754                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 755
 756                     // Force the preview if the file is an image
 757                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
 758                         ((FileDisplayActivity) mContainerActivity).startImagePreview(getFile());
 759                     }
 760                 }
 761             }
 762         }
 763     }
 764
 765
 766     public void onDismiss(EditNameDialog dialog) {
 767         if (dialog.getResult()) {
 768             String newFilename = dialog.getNewFilename();
 769             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 770             mLastRemoteOperation = new RenameFileOperation( getFile(),
 771                                                             mAccount,
 772                                                             newFilename,
 773                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 774             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 775             ((FileDisplayActivity) getActivity()).showLoadingDialog();
 776         }
 777     }
 778
 779
 780     /**
 781      * {@inheritDoc}
 782      */
 783     @Override
 784     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 785         if (operation.equals(mLastRemoteOperation)) {
 786             if (operation instanceof RemoveFileOperation) {
 787                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 788
 789             } else if (operation instanceof RenameFileOperation) {
 790                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 791
 792             } else if (operation instanceof SynchronizeFileOperation) {
 793                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 794             }
 795         }
 796     }
 797
 798
 799     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 800         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 801         if (result.isSuccess()) {
 802             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 803             msg.show();
 804             ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 805
 806         } else {
 807             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 808             msg.show();
 809             if (result.isSslRecoverableException()) {
 810                 // TODO show the SSL warning dialog
 811             }
 812         }
 813     }
 814
 815     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 816         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 817
 818         if (result.isSuccess()) {
 819             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 820             mContainerActivity.onFileStateChanged();
 821
 822         } else {
 823             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 824                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 825                 msg.show();
 826                 // TODO throw again the new rename dialog
 827             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
 828                 Toast msg = Toast.makeText(getActivity(), R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
 829                 msg.show();
 830             } else {
 831                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 832                 msg.show();
 833                 if (result.isSslRecoverableException()) {
 834                     // TODO show the SSL warning dialog
 835                 }
 836             }
 837         }
 838     }
 839
 840     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
 841         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 842         OCFile file = getFile();
 843         if (!result.isSuccess()) {
 844             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
 845                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
 846                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, file);
 847                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
 848                 startActivity(i);
 849
 850             }
 851
 852             if (file.isDown()) {
 853                 setButtonsForDown();
 854
 855             } else {
 856                 setButtonsForRemote();
 857             }
 858
 859         } else {
 860             if (operation.transferWasRequested()) {
 861                 setButtonsForTransferring();
 862                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
 863                                                             // checking the service to see if the file is downloading results in FALSE
 864             } else {
 865                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
 866                 msg.show();
 867                 if (file.isDown()) {
 868                     setButtonsForDown();
 869
 870                 } else {
 871                     setButtonsForRemote();
 872                 }
 873             }
 874         }
 875     }
 876
 877
 878     public void listenForTransferProgress() {
 879         if (mProgressListener != null) {
 880             if (mContainerActivity.getFileDownloaderBinder() != null) {
 881                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 882             }
 883             if (mContainerActivity.getFileUploaderBinder() != null) {
 884                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 885             }
 886         }
 887     }
 888
 889
 890     public void leaveTransferProgress() {
 891         if (mProgressListener != null) {
 892             if (mContainerActivity.getFileDownloaderBinder() != null) {
 893                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 894             }
 895             if (mContainerActivity.getFileUploaderBinder() != null) {
 896                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 897             }
 898         }
 899     }
 900
 901
 902
 903     /**
 904      * Helper class responsible for updating the progress bar shown for file uploading or downloading
 905      *
 906      * @author David A. Velasco
 907      */
 908     private class ProgressListener implements OnDatatransferProgressListener {
 909         int mLastPercent = 0;
 910         WeakReference<ProgressBar> mProgressBar = null;
 911
 912         ProgressListener(ProgressBar progressBar) {
 913             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 914         }
 915
 916         @Override
 917         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
 918             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 919             if (percent != mLastPercent) {
 920                 ProgressBar pb = mProgressBar.get();
 921                 if (pb != null) {
 922                     pb.setProgress(percent);
 923                     pb.postInvalidate();
 924                 }
 925             }
 926             mLastPercent = percent;
 927         }
 928
 929     };
 930
 931 }