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.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.RemoveFileOperation;
  59 import com.owncloud.android.operations.RenameFileOperation;
  60 import com.owncloud.android.operations.SynchronizeFileOperation;
  61 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  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 import com.owncloud.android.ui.preview.PreviewImageFragment;
  68
  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         view = inflater.inflate(mLayout, null);
 154         mView = view;
 155
 156         if (mLayout == R.layout.file_details_fragment) {
 157             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 158             ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
 159             mProgressListener = new ProgressListener(progressBar);
 160             mView.findViewById(R.id.fdCancelBtn).setOnClickListener(this);
 161         }
 162
 163         updateFileDetails(false, false);
 164         return view;
 165     }
 166
 167     /**
 168      * {@inheritDoc}
 169      */
 170     @Override
 171     public void onAttach(Activity activity) {
 172         super.onAttach(activity);
 173         try {
 174             mContainerActivity = (ContainerActivity) activity;
 175
 176         } catch (ClassCastException e) {
 177             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 178         }
 179     }
 180
 181
 182     /**
 183      * {@inheritDoc}
 184      */
 185     @Override
 186     public void onActivityCreated(Bundle savedInstanceState) {
 187         super.onActivityCreated(savedInstanceState);
 188         if (mAccount != null) {
 189             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 190         }
 191     }
 192
 193
 194     @Override
 195     public void onSaveInstanceState(Bundle outState) {
 196         super.onSaveInstanceState(outState);
 197         outState.putParcelable(FileActivity.EXTRA_FILE, getFile());
 198         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, mAccount);
 199     }
 200
 201     @Override
 202     public void onStart() {
 203         super.onStart();
 204         listenForTransferProgress();
 205     }
 206
 207     @Override
 208     public void onResume() {
 209         super.onResume();
 210         mUploadFinishReceiver = new UploadFinishReceiver();
 211         IntentFilter filter = new IntentFilter(FileUploader.getUploadFinishMessage());
 212         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 213
 214     }
 215
 216
 217     @Override
 218     public void onPause() {
 219         super.onPause();
 220         if (mUploadFinishReceiver != null) {
 221             getActivity().unregisterReceiver(mUploadFinishReceiver);
 222             mUploadFinishReceiver = null;
 223         }
 224     }
 225
 226
 227     @Override
 228     public void onStop() {
 229         super.onStop();
 230         leaveTransferProgress();
 231     }
 232
 233
 234     @Override
 235     public View getView() {
 236         return super.getView() == null ? mView : super.getView();
 237     }
 238
 239
 240     /**
 241      * {@inheritDoc}
 242      */
 243     @Override
 244     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 245         super.onCreateOptionsMenu(menu, inflater);
 246         inflater.inflate(R.menu.file_actions_menu, menu);
 247         MenuItem item = menu.findItem(R.id.action_see_details);
 248         if (item != null) {
 249             item.setVisible(false);
 250             item.setEnabled(false);
 251         }
 252     }
 253
 254
 255     /**
 256      * {@inheritDoc}
 257      */
 258     @Override
 259     public void onPrepareOptionsMenu (Menu menu) {
 260         super.onPrepareOptionsMenu(menu);
 261
 262         List<Integer> toHide = new ArrayList<Integer>();
 263         List<Integer> toShow = new ArrayList<Integer>();
 264         OCFile file = getFile();
 265
 266         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 267         boolean downloading = downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file);
 268         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 269         boolean uploading = uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile());
 270
 271         if (downloading || uploading) {
 272             toHide.add(R.id.action_download_file);
 273             toHide.add(R.id.action_rename_file);
 274             toHide.add(R.id.action_remove_file);
 275             toHide.add(R.id.action_open_file_with);
 276             if (!downloading) {
 277                 toHide.add(R.id.action_cancel_download);
 278                 toShow.add(R.id.action_cancel_upload);
 279             } else {
 280                 toHide.add(R.id.action_cancel_upload);
 281                 toShow.add(R.id.action_cancel_download);
 282             }
 283
 284         } else if (file != null && file.isDown()) {
 285             toHide.add(R.id.action_download_file);
 286             toHide.add(R.id.action_cancel_download);
 287             toHide.add(R.id.action_cancel_upload);
 288
 289             toShow.add(R.id.action_rename_file);
 290             toShow.add(R.id.action_remove_file);
 291             toShow.add(R.id.action_open_file_with);
 292             toShow.add(R.id.action_sync_file);
 293
 294         } else if (file != null) {
 295             toHide.add(R.id.action_open_file_with);
 296             toHide.add(R.id.action_cancel_download);
 297             toHide.add(R.id.action_cancel_upload);
 298             toHide.add(R.id.action_sync_file);
 299
 300             toShow.add(R.id.action_rename_file);
 301             toShow.add(R.id.action_remove_file);
 302             toShow.add(R.id.action_download_file);
 303
 304         } else {
 305             toHide.add(R.id.action_open_file_with);
 306             toHide.add(R.id.action_cancel_download);
 307             toHide.add(R.id.action_cancel_upload);
 308             toHide.add(R.id.action_sync_file);
 309             toHide.add(R.id.action_download_file);
 310             toHide.add(R.id.action_rename_file);
 311             toHide.add(R.id.action_remove_file);
 312
 313         }
 314
 315         MenuItem item = null;
 316         for (int i : toHide) {
 317             item = menu.findItem(i);
 318             if (item != null) {
 319                 item.setVisible(false);
 320                 item.setEnabled(false);
 321             }
 322         }
 323         for (int i : toShow) {
 324             item = menu.findItem(i);
 325             if (item != null) {
 326                 item.setVisible(true);
 327                 item.setEnabled(true);
 328             }
 329         }
 330     }
 331
 332
 333     /**
 334      * {@inheritDoc}
 335      */
 336     @Override
 337     public boolean onOptionsItemSelected(MenuItem item) {
 338         switch (item.getItemId()) {
 339             case R.id.action_open_file_with: {
 340                 mContainerActivity.openFile(getFile());
 341                 return true;
 342             }
 343             case R.id.action_remove_file: {
 344                 removeFile();
 345                 return true;
 346             }
 347             case R.id.action_rename_file: {
 348                 renameFile();
 349                 return true;
 350             }
 351             case R.id.action_download_file:
 352             case R.id.action_cancel_download:
 353             case R.id.action_cancel_upload:
 354             case R.id.action_sync_file: {
 355                 synchronizeFile();
 356                 return true;
 357             }
 358             default:
 359                 return false;
 360         }
 361     }
 362
 363     @Override
 364     public void onClick(View v) {
 365         switch (v.getId()) {
 366             case R.id.fdKeepInSync: {
 367                 toggleKeepInSync();
 368                 break;
 369             }
 370             case R.id.fdCancelBtn: {
 371                 synchronizeFile();
 372                 break;
 373             }
 374             default:
 375                 Log_OC.e(TAG, "Incorrect view clicked!");
 376         }
 377     }
 378
 379
 380     private void toggleKeepInSync() {
 381         CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 382         OCFile file = getFile();
 383         file.setKeepInSync(cb.isChecked());
 384         mStorageManager.saveFile(file);
 385
 386         /// register the OCFile instance in the observer service to monitor local updates;
 387         /// if necessary, the file is download
 388         Intent intent = new Intent(getActivity().getApplicationContext(),
 389                                    FileObserverService.class);
 390         intent.putExtra(FileObserverService.KEY_FILE_CMD,
 391                    (cb.isChecked()?
 392                            FileObserverService.CMD_ADD_OBSERVED_FILE:
 393                            FileObserverService.CMD_DEL_OBSERVED_FILE));
 394         intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, file);
 395         intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 396         getActivity().startService(intent);
 397
 398         if (file.keepInSync()) {
 399             synchronizeFile();   // force an immediate synchronization
 400         }
 401     }
 402
 403
 404     private void removeFile() {
 405         OCFile file = getFile();
 406         ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 407                 R.string.confirmation_remove_alert,
 408                 new String[]{file.getFileName()},
 409                 file.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 410                 file.isDown() ? R.string.confirmation_remove_local : -1,
 411                 R.string.common_cancel);
 412         confDialog.setOnConfirmationListener(this);
 413         confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 414     }
 415
 416
 417     private void renameFile() {
 418         OCFile file = getFile();
 419         String fileName = file.getFileName();
 420         int extensionStart = file.isFolder() ? -1 : fileName.lastIndexOf(".");
 421         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 422         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 423         dialog.show(getFragmentManager(), "nameeditdialog");
 424     }
 425
 426     private void synchronizeFile() {
 427         OCFile file = getFile();
 428         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 429         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 430         if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 431             downloaderBinder.cancel(mAccount, file);
 432             if (file.isDown()) {
 433                 setButtonsForDown();
 434             } else {
 435                 setButtonsForRemote();
 436             }
 437
 438         } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 439             uploaderBinder.cancel(mAccount, file);
 440             if (!file.fileExists()) {
 441                 // TODO make something better
 442                 ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 443
 444             } else if (file.isDown()) {
 445                 setButtonsForDown();
 446             } else {
 447                 setButtonsForRemote();
 448             }
 449
 450         } else {
 451             mLastRemoteOperation = new SynchronizeFileOperation(file, null, mStorageManager, mAccount, true, getActivity());
 452             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 453
 454             // update ui
 455             ((FileDisplayActivity) getActivity()).showLoadingDialog();
 456
 457         }
 458     }
 459
 460     @Override
 461     public void onConfirmation(String callerTag) {
 462         OCFile file = getFile();
 463         if (callerTag.equals(FTAG_CONFIRMATION)) {
 464             if (mStorageManager.getFileById(file.getFileId()) != null) {
 465                 mLastRemoteOperation = new RemoveFileOperation( file,
 466                                                                 true,
 467                                                                 mStorageManager);
 468                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 469
 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
 747                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 748
 749                     // Force the preview if the file is an image
 750                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
 751                         ((FileDisplayActivity) mContainerActivity).startImagePreview(getFile());
 752                     }
 753                 }
 754             }
 755         }
 756     }
 757
 758
 759     public void onDismiss(EditNameDialog dialog) {
 760         if (dialog.getResult()) {
 761             String newFilename = dialog.getNewFilename();
 762             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 763             mLastRemoteOperation = new RenameFileOperation( getFile(),
 764                                                             mAccount,
 765                                                             newFilename,
 766                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 767             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 768             ((FileDisplayActivity) getActivity()).showLoadingDialog();
 769         }
 770     }
 771
 772
 773     /**
 774      * {@inheritDoc}
 775      */
 776     @Override
 777     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 778         if (operation.equals(mLastRemoteOperation)) {
 779             if (operation instanceof RemoveFileOperation) {
 780                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 781
 782             } else if (operation instanceof RenameFileOperation) {
 783                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 784
 785             } else if (operation instanceof SynchronizeFileOperation) {
 786                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 787             }
 788         }
 789     }
 790
 791
 792     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 793         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 794         if (result.isSuccess()) {
 795             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 796             msg.show();
 797             ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 798
 799         } else {
 800             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 801             msg.show();
 802             if (result.isSslRecoverableException()) {
 803                 // TODO show the SSL warning dialog
 804             }
 805         }
 806     }
 807
 808     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 809         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 810
 811         if (result.isSuccess()) {
 812             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 813             mContainerActivity.onFileStateChanged();
 814
 815         } else {
 816             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 817                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 818                 msg.show();
 819                 // TODO throw again the new rename dialog
 820             } else {
 821                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 822                 msg.show();
 823                 if (result.isSslRecoverableException()) {
 824                     // TODO show the SSL warning dialog
 825                 }
 826             }
 827         }
 828     }
 829
 830     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
 831         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 832         OCFile file = getFile();
 833         if (!result.isSuccess()) {
 834             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
 835                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
 836                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, file);
 837                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
 838                 startActivity(i);
 839
 840             }
 841
 842             if (file.isDown()) {
 843                 setButtonsForDown();
 844
 845             } else {
 846                 setButtonsForRemote();
 847             }
 848
 849         } else {
 850             if (operation.transferWasRequested()) {
 851                 setButtonsForTransferring();
 852                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
 853                                                             // checking the service to see if the file is downloading results in FALSE
 854             } else {
 855                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
 856                 msg.show();
 857                 if (file.isDown()) {
 858                     setButtonsForDown();
 859
 860                 } else {
 861                     setButtonsForRemote();
 862                 }
 863             }
 864         }
 865     }
 866
 867
 868     public void listenForTransferProgress() {
 869         if (mProgressListener != null) {
 870             if (mContainerActivity.getFileDownloaderBinder() != null) {
 871                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 872             }
 873             if (mContainerActivity.getFileUploaderBinder() != null) {
 874                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 875             }
 876         }
 877     }
 878
 879
 880     public void leaveTransferProgress() {
 881         if (mProgressListener != null) {
 882             if (mContainerActivity.getFileDownloaderBinder() != null) {
 883                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 884             }
 885             if (mContainerActivity.getFileUploaderBinder() != null) {
 886                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 887             }
 888         }
 889     }
 890
 891
 892
 893     /**
 894      * Helper class responsible for updating the progress bar shown for file uploading or downloading
 895      *
 896      * @author David A. Velasco
 897      */
 898     private class ProgressListener implements OnDatatransferProgressListener {
 899         int mLastPercent = 0;
 900         WeakReference<ProgressBar> mProgressBar = null;
 901
 902         ProgressListener(ProgressBar progressBar) {
 903             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 904         }
 905
 906         @Override
 907         public void onTransferProgress(long progressRate) {
 908             // old method, nothing here
 909         };
 910
 911         @Override
 912         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
 913             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 914             if (percent != mLastPercent) {
 915                 ProgressBar pb = mProgressBar.get();
 916                 if (pb != null) {
 917                     pb.setProgress(percent);
 918                     pb.postInvalidate();
 919                 }
 920             }
 921             mLastPercent = percent;
 922         }
 923
 924     };
 925
 926 }