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