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.support.v4.app.FragmentTransaction;
  34 import android.view.LayoutInflater;
  35 import android.view.View;
  36 import android.view.View.OnClickListener;
  37 import android.view.ViewGroup;
  38 import android.widget.CheckBox;
  39 import android.widget.ImageView;
  40 import android.widget.ProgressBar;
  41 import android.widget.TextView;
  42 import android.widget.Toast;
  43
  44 import com.actionbarsherlock.view.Menu;
  45 import com.actionbarsherlock.view.MenuInflater;
  46 import com.actionbarsherlock.view.MenuItem;
  47 import com.owncloud.android.DisplayUtils;
  48 import com.owncloud.android.Log_OC;
  49 import com.owncloud.android.datamodel.FileDataStorageManager;
  50 import com.owncloud.android.datamodel.OCFile;
  51 import com.owncloud.android.files.services.FileObserverService;
  52 import com.owncloud.android.files.services.FileUploader;
  53 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  54 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  55 import com.owncloud.android.operations.OnRemoteOperationListener;
  56 import com.owncloud.android.operations.RemoteOperation;
  57 import com.owncloud.android.operations.RemoteOperationResult;
  58 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  59 import com.owncloud.android.operations.RemoveFileOperation;
  60 import com.owncloud.android.operations.RenameFileOperation;
  61 import com.owncloud.android.operations.SynchronizeFileOperation;
  62 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  63 import com.owncloud.android.ui.activity.FileActivity;
  64 import com.owncloud.android.ui.activity.FileDisplayActivity;
  65 import com.owncloud.android.ui.dialog.EditNameDialog;
  66 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  67
  68 import com.owncloud.android.R;
  69
  70 import eu.alefzero.webdav.OnDatatransferProgressListener;
  71
  72 /**
  73  * This Fragment is used to display the details about a file.
  74  *
  75  * @author Bartek Przybylski
  76  * @author David A. Velasco
  77  */
  78 public class FileDetailFragment extends FileFragment implements
  79         OnClickListener,
  80         ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener {
  81
  82     private FileFragment.ContainerActivity mContainerActivity;
  83
  84     private int mLayout;
  85     private View mView;
  86     private Account mAccount;
  87     private FileDataStorageManager mStorageManager;
  88
  89     private UploadFinishReceiver mUploadFinishReceiver;
  90     public ProgressListener mProgressListener;
  91
  92     private Handler mHandler;
  93     private RemoteOperation mLastRemoteOperation;
  94
  95     private static final String TAG = FileDetailFragment.class.getSimpleName();
  96     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
  97
  98
  99     /**
 100      * Creates an empty details fragment.
 101      *
 102      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 103      */
 104     public FileDetailFragment() {
 105         super();
 106         mAccount = null;
 107         mStorageManager = null;
 108         mLayout = R.layout.file_details_empty;
 109         mProgressListener = null;
 110     }
 111
 112     /**
 113      * Creates a details fragment.
 114      *
 115      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 116      *
 117      * @param fileToDetail      An {@link OCFile} to show in the fragment
 118      * @param ocAccount         An ownCloud account; needed to start downloads
 119      */
 120     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 121         super(fileToDetail);
 122         mAccount = ocAccount;
 123         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 124         mLayout = R.layout.file_details_empty;
 125         mProgressListener = null;
 126     }
 127
 128
 129     @Override
 130     public void onCreate(Bundle savedInstanceState) {
 131         super.onCreate(savedInstanceState);
 132         mHandler = new Handler();
 133         setHasOptionsMenu(true);
 134     }
 135
 136
 137     @Override
 138     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 139             Bundle savedInstanceState) {
 140         super.onCreateView(inflater, container, savedInstanceState);
 141
 142         if (savedInstanceState != null) {
 143             setFile((OCFile)savedInstanceState.getParcelable(FileActivity.EXTRA_FILE));
 144             mAccount = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
 145         }
 146
 147         if(getFile() != null && mAccount != null) {
 148             mLayout = R.layout.file_details_fragment;
 149         }
 150
 151         View view = null;
 152         view = inflater.inflate(mLayout, container, false);
 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.UPLOAD_FINISH_MESSAGE);
 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         MenuItem item = null;
 315         for (int i : toHide) {
 316             item = menu.findItem(i);
 317             if (item != null) {
 318                 item.setVisible(false);
 319                 item.setEnabled(false);
 320             }
 321         }
 322         for (int i : toShow) {
 323             item = menu.findItem(i);
 324             if (item != null) {
 325                 item.setVisible(true);
 326                 item.setEnabled(true);
 327             }
 328         }
 329     }
 330
 331
 332     /**
 333      * {@inheritDoc}
 334      */
 335     @Override
 336     public boolean onOptionsItemSelected(MenuItem item) {
 337         switch (item.getItemId()) {
 338             case R.id.action_open_file_with: {
 339                 mContainerActivity.openFile(getFile());
 340                 return true;
 341             }
 342             case R.id.action_remove_file: {
 343                 removeFile();
 344                 return true;
 345             }
 346             case R.id.action_rename_file: {
 347                 renameFile();
 348                 return true;
 349             }
 350             case R.id.action_download_file:
 351             case R.id.action_cancel_download:
 352             case R.id.action_cancel_upload:
 353             case R.id.action_sync_file: {
 354                 synchronizeFile();
 355                 return true;
 356             }
 357             default:
 358                 return false;
 359         }
 360     }
 361
 362     @Override
 363     public void onClick(View v) {
 364         switch (v.getId()) {
 365             case R.id.fdKeepInSync: {
 366                 toggleKeepInSync();
 367                 break;
 368             }
 369             case R.id.fdCancelBtn: {
 370                 synchronizeFile();
 371                 break;
 372             }
 373             default:
 374                 Log_OC.e(TAG, "Incorrect view clicked!");
 375         }
 376     }
 377
 378
 379     private void toggleKeepInSync() {
 380         CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 381         OCFile file = getFile();
 382         file.setKeepInSync(cb.isChecked());
 383         mStorageManager.saveFile(file);
 384
 385         /// register the OCFile instance in the observer service to monitor local updates;
 386         /// if necessary, the file is download
 387         Intent intent = new Intent(getActivity().getApplicationContext(),
 388                                    FileObserverService.class);
 389         intent.putExtra(FileObserverService.KEY_FILE_CMD,
 390                    (cb.isChecked()?
 391                            FileObserverService.CMD_ADD_OBSERVED_FILE:
 392                            FileObserverService.CMD_DEL_OBSERVED_FILE));
 393         intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, file);
 394         intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 395         getActivity().startService(intent);
 396
 397         if (file.keepInSync()) {
 398             synchronizeFile();   // force an immediate synchronization
 399         }
 400     }
 401
 402
 403     private void removeFile() {
 404         OCFile file = getFile();
 405         ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 406                 R.string.confirmation_remove_alert,
 407                 new String[]{file.getFileName()},
 408                 file.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 409                 file.isDown() ? R.string.confirmation_remove_local : -1,
 410                 R.string.common_cancel);
 411         confDialog.setOnConfirmationListener(this);
 412         confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 413     }
 414
 415
 416     private void renameFile() {
 417         OCFile file = getFile();
 418         String fileName = file.getFileName();
 419         int extensionStart = file.isDirectory() ? -1 : fileName.lastIndexOf(".");
 420         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 421         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 422         dialog.show(getFragmentManager(), "nameeditdialog");
 423     }
 424
 425     private void synchronizeFile() {
 426         OCFile file = getFile();
 427         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 428         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 429         if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 430             downloaderBinder.cancel(mAccount, file);
 431             if (file.isDown()) {
 432                 setButtonsForDown();
 433             } else {
 434                 setButtonsForRemote();
 435             }
 436
 437         } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 438             uploaderBinder.cancel(mAccount, file);
 439             if (!file.fileExists()) {
 440                 // TODO make something better
 441                 if (getActivity() instanceof FileDisplayActivity) {
 442                     // double pane
 443                     FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 444                     transaction.replace(R.id.right_fragment_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 445                     transaction.commit();
 446                     mContainerActivity.onFileStateChanged();
 447                 } else {
 448                     getActivity().finish();
 449                 }
 450
 451             } else if (file.isDown()) {
 452                 setButtonsForDown();
 453             } else {
 454                 setButtonsForRemote();
 455             }
 456
 457         } else {
 458             mLastRemoteOperation = new SynchronizeFileOperation(file, null, mStorageManager, mAccount, true, false, getActivity());
 459             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 460
 461             // update ui
 462             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 463             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 464
 465         }
 466     }
 467
 468     @Override
 469     public void onConfirmation(String callerTag) {
 470         OCFile file = getFile();
 471         if (callerTag.equals(FTAG_CONFIRMATION)) {
 472             if (mStorageManager.getFileById(file.getFileId()) != null) {
 473                 mLastRemoteOperation = new RemoveFileOperation( file,
 474                                                                 true,
 475                                                                 mStorageManager);
 476                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 477
 478                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 479                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 480             }
 481         }
 482     }
 483
 484     @Override
 485     public void onNeutral(String callerTag) {
 486         File f = null;
 487         OCFile file = getFile();
 488         if (file.isDown() && (f = new File(file.getStoragePath())).exists()) {
 489             f.delete();
 490             file.setStoragePath(null);
 491             mStorageManager.saveFile(file);
 492             updateFileDetails(file, mAccount);
 493         }
 494     }
 495
 496     @Override
 497     public void onCancel(String callerTag) {
 498         Log_OC.d(TAG, "REMOVAL CANCELED");
 499     }
 500
 501
 502     /**
 503      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 504      *
 505      * @return  True when the fragment was created with the empty layout.
 506      */
 507     public boolean isEmpty() {
 508         return (mLayout == R.layout.file_details_empty || getFile() == null || mAccount == null);
 509     }
 510
 511
 512     /**
 513      * Use this method to signal this Activity that it shall update its view.
 514      *
 515      * @param file : An {@link OCFile}
 516      */
 517     public void updateFileDetails(OCFile file, Account ocAccount) {
 518         setFile(file);
 519         if (ocAccount != null && (
 520                 mStorageManager == null ||
 521                 (mAccount != null && !mAccount.equals(ocAccount))
 522            )) {
 523             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 524         }
 525         mAccount = ocAccount;
 526         updateFileDetails(false, false);
 527     }
 528
 529     /**
 530      * Updates the view with all relevant details about that file.
 531      *
 532      * TODO Remove parameter when the transferring state of files is kept in database.
 533      *
 534      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 535      *
 536      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 537      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 538      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 539      *
 540      * @param refresh           If 'true', try to refresh the hold file from the database
 541      */
 542     public void updateFileDetails(boolean transferring, boolean refresh) {
 543
 544         if (readyToShow()) {
 545
 546             if (refresh && mStorageManager != null) {
 547                 setFile(mStorageManager.getFileByPath(getFile().getRemotePath()));
 548             }
 549             OCFile file = getFile();
 550
 551             // set file details
 552             setFilename(file.getFileName());
 553             setFiletype(file.getMimetype());
 554             setFilesize(file.getFileLength());
 555             if(ocVersionSupportsTimeCreated()){
 556                 setTimeCreated(file.getCreationTimestamp());
 557             }
 558
 559             setTimeModified(file.getModificationTimestamp());
 560
 561             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 562             cb.setChecked(file.keepInSync());
 563
 564             // configure UI for depending upon local state of the file
 565             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 566             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 567             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 568             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file))) {
 569                 setButtonsForTransferring();
 570
 571             } else if (file.isDown()) {
 572
 573                 setButtonsForDown();
 574
 575             } else {
 576                 // TODO load default preview image; when the local file is removed, the preview remains there
 577                 setButtonsForRemote();
 578             }
 579         }
 580         getView().invalidate();
 581     }
 582
 583     /**
 584      * Checks if the fragment is ready to show details of a OCFile
 585      *
 586      * @return  'True' when the fragment is ready to show details of a file
 587      */
 588     private boolean readyToShow() {
 589         return (getFile() != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 590     }
 591
 592
 593     /**
 594      * Updates the filename in view
 595      * @param filename to set
 596      */
 597     private void setFilename(String filename) {
 598         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 599         if (tv != null)
 600             tv.setText(filename);
 601     }
 602
 603     /**
 604      * Updates the MIME type in view
 605      * @param mimetype to set
 606      */
 607     private void setFiletype(String mimetype) {
 608         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 609         if (tv != null) {
 610             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 611             tv.setText(printableMimetype);
 612         }
 613         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 614         if (iv != null) {
 615             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 616         }
 617     }
 618
 619     /**
 620      * Updates the file size in view
 621      * @param filesize in bytes to set
 622      */
 623     private void setFilesize(long filesize) {
 624         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 625         if (tv != null)
 626             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 627     }
 628
 629     /**
 630      * Updates the time that the file was created in view
 631      * @param milliseconds Unix time to set
 632      */
 633     private void setTimeCreated(long milliseconds){
 634         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 635         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 636         if(tv != null){
 637             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 638             tv.setVisibility(View.VISIBLE);
 639             tvLabel.setVisibility(View.VISIBLE);
 640         }
 641     }
 642
 643     /**
 644      * Updates the time that the file was last modified
 645      * @param milliseconds Unix time to set
 646      */
 647     private void setTimeModified(long milliseconds){
 648         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 649         if(tv != null){
 650             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 651         }
 652     }
 653
 654     /**
 655      * Enables or disables buttons for a file being downloaded
 656      */
 657     private void setButtonsForTransferring() {
 658         if (!isEmpty()) {
 659             // let's protect the user from himself ;)
 660             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 661
 662             // show the progress bar for the transfer
 663             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 664             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 665             progressText.setVisibility(View.VISIBLE);
 666             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 667             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 668             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile())) {
 669                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 670             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile())) {
 671                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 672             }
 673         }
 674     }
 675
 676     /**
 677      * Enables or disables buttons for a file locally available
 678      */
 679     private void setButtonsForDown() {
 680         if (!isEmpty()) {
 681             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 682
 683             // hides the progress bar
 684             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 685             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 686             progressText.setVisibility(View.GONE);
 687         }
 688     }
 689
 690     /**
 691      * Enables or disables buttons for a file not locally available
 692      */
 693     private void setButtonsForRemote() {
 694         if (!isEmpty()) {
 695             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 696
 697             // hides the progress bar
 698             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 699             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 700             progressText.setVisibility(View.GONE);
 701         }
 702     }
 703
 704
 705     /**
 706      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 707      * the time that the file was created. There is a chance that this will
 708      * be fixed in future versions. Use this method to check if this version of
 709      * ownCloud has this fix.
 710      * @return True, if ownCloud the ownCloud version is supporting creation time
 711      */
 712     private boolean ocVersionSupportsTimeCreated(){
 713         /*if(mAccount != null){
 714             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 715             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 716                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 717             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 718                 return true;
 719             }
 720         }*/
 721         return false;
 722     }
 723
 724
 725     /**
 726      * Once the file upload has finished -> update view
 727      *
 728      * Being notified about the finish of an upload is necessary for the next sequence:
 729      *   1. Upload a big file.
 730      *   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
 731      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 732      *   3. Click the file in the list to see its details.
 733      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 734      */
 735     private class UploadFinishReceiver extends BroadcastReceiver {
 736         @Override
 737         public void onReceive(Context context, Intent intent) {
 738             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 739
 740             if (!isEmpty() && accountName.equals(mAccount.name)) {
 741                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 742                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 743                 boolean renamedInUpload = getFile().getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 744                 if (getFile().getRemotePath().equals(uploadRemotePath) ||
 745                     renamedInUpload) {
 746                     if (uploadWasFine) {
 747                         setFile(mStorageManager.getFileByPath(uploadRemotePath));
 748                     }
 749                     if (renamedInUpload) {
 750                         String newName = (new File(uploadRemotePath)).getName();
 751                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 752                         msg.show();
 753                     }
 754                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 755                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 756                 }
 757             }
 758         }
 759     }
 760
 761
 762     public void onDismiss(EditNameDialog dialog) {
 763         if (dialog.getResult()) {
 764             String newFilename = dialog.getNewFilename();
 765             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 766             mLastRemoteOperation = new RenameFileOperation( getFile(),
 767                                                             mAccount,
 768                                                             newFilename,
 769                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 770             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 771             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 772             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 773         }
 774     }
 775
 776
 777     /**
 778      * {@inheritDoc}
 779      */
 780     @Override
 781     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 782         if (operation.equals(mLastRemoteOperation)) {
 783             if (operation instanceof RemoveFileOperation) {
 784                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 785
 786             } else if (operation instanceof RenameFileOperation) {
 787                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 788
 789             } else if (operation instanceof SynchronizeFileOperation) {
 790                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 791             }
 792         }
 793     }
 794
 795
 796     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 797         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 798         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 799
 800         if (result.isSuccess()) {
 801             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 802             msg.show();
 803             if (inDisplayActivity) {
 804                 // double pane
 805                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 806                 transaction.replace(R.id.right_fragment_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 807                 transaction.commit();
 808                 mContainerActivity.onFileStateChanged();
 809             } else {
 810                 getActivity().finish();
 811             }
 812
 813         } else {
 814             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 815             msg.show();
 816             if (result.isSslRecoverableException()) {
 817                 // TODO show the SSL warning dialog
 818             }
 819         }
 820     }
 821
 822     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 823         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 824         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 825
 826         if (result.isSuccess()) {
 827             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 828             mContainerActivity.onFileStateChanged();
 829
 830         } else {
 831             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 832                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 833                 msg.show();
 834                 // TODO throw again the new rename dialog
 835             } else {
 836                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 837                 msg.show();
 838                 if (result.isSslRecoverableException()) {
 839                     // TODO show the SSL warning dialog
 840                 }
 841             }
 842         }
 843     }
 844
 845     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
 846         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 847         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 848         OCFile file = getFile();
 849         if (!result.isSuccess()) {
 850             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
 851                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
 852                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, file);
 853                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
 854                 startActivity(i);
 855
 856             } else {
 857                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
 858                 msg.show();
 859             }
 860
 861             if (file.isDown()) {
 862                 setButtonsForDown();
 863
 864             } else {
 865                 setButtonsForRemote();
 866             }
 867
 868         } else {
 869             if (operation.transferWasRequested()) {
 870                 setButtonsForTransferring();
 871                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
 872                                                             // checking the service to see if the file is downloading results in FALSE
 873             } else {
 874                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
 875                 msg.show();
 876                 if (file.isDown()) {
 877                     setButtonsForDown();
 878
 879                 } else {
 880                     setButtonsForRemote();
 881                 }
 882             }
 883         }
 884     }
 885
 886
 887     public void listenForTransferProgress() {
 888         if (mProgressListener != null) {
 889             if (mContainerActivity.getFileDownloaderBinder() != null) {
 890                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 891             }
 892             if (mContainerActivity.getFileUploaderBinder() != null) {
 893                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 894             }
 895         }
 896     }
 897
 898
 899     public void leaveTransferProgress() {
 900         if (mProgressListener != null) {
 901             if (mContainerActivity.getFileDownloaderBinder() != null) {
 902                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 903             }
 904             if (mContainerActivity.getFileUploaderBinder() != null) {
 905                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 906             }
 907         }
 908     }
 909
 910
 911
 912     /**
 913      * Helper class responsible for updating the progress bar shown for file uploading or downloading
 914      *
 915      * @author David A. Velasco
 916      */
 917     private class ProgressListener implements OnDatatransferProgressListener {
 918         int mLastPercent = 0;
 919         WeakReference<ProgressBar> mProgressBar = null;
 920
 921         ProgressListener(ProgressBar progressBar) {
 922             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 923         }
 924
 925         @Override
 926         public void onTransferProgress(long progressRate) {
 927             // old method, nothing here
 928         };
 929
 930         @Override
 931         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
 932             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 933             if (percent != mLastPercent) {
 934                 ProgressBar pb = mProgressBar.get();
 935                 if (pb != null) {
 936                     pb.setProgress(percent);
 937                     pb.postInvalidate();
 938                 }
 939             }
 940             mLastPercent = percent;
 941         }
 942
 943     };
 944
 945 }