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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 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.content.BroadcastReceiver;
  27 import android.content.Context;
  28 import android.content.Intent;
  29 import android.content.IntentFilter;
  30 import android.os.Bundle;
  31 import android.view.LayoutInflater;
  32 import android.view.View;
  33 import android.view.View.OnClickListener;
  34 import android.view.ViewGroup;
  35 import android.widget.CheckBox;
  36 import android.widget.ImageView;
  37 import android.widget.ProgressBar;
  38 import android.widget.TextView;
  39 import android.widget.Toast;
  40
  41 import com.actionbarsherlock.view.Menu;
  42 import com.actionbarsherlock.view.MenuInflater;
  43 import com.actionbarsherlock.view.MenuItem;
  44 import com.owncloud.android.R;
  45 import com.owncloud.android.datamodel.FileDataStorageManager;
  46 import com.owncloud.android.datamodel.OCFile;
  47 import com.owncloud.android.files.services.FileObserverService;
  48 import com.owncloud.android.files.services.FileUploader;
  49 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  50 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  51 import com.owncloud.android.lib.common.network.OnDatatransferProgressListener;
  52 import com.owncloud.android.ui.activity.FileActivity;
  53 import com.owncloud.android.ui.activity.FileDisplayActivity;
  54 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  55 import com.owncloud.android.ui.dialog.EditNameDialog;
  56 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  57 import com.owncloud.android.ui.preview.PreviewImageFragment;
  58 import com.owncloud.android.utils.DisplayUtils;
  59 import com.owncloud.android.utils.Log_OC;
  60
  61
  62 /**
  63  * This Fragment is used to display the details about a file.
  64  *
  65  * @author Bartek Przybylski
  66  * @author David A. Velasco
  67  */
  68 public class FileDetailFragment extends FileFragment implements
  69         OnClickListener,
  70         ConfirmationDialogFragment.ConfirmationDialogFragmentListener, EditNameDialogListener {
  71
  72     private FileFragment.ContainerActivity mContainerActivity;
  73
  74     private int mLayout;
  75     private View mView;
  76     private Account mAccount;
  77
  78     private UploadFinishReceiver mUploadFinishReceiver;
  79     public ProgressListener mProgressListener;
  80
  81     private static final String TAG = FileDetailFragment.class.getSimpleName();
  82     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
  83
  84
  85     /**
  86      * Creates an empty details fragment.
  87      *
  88      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
  89      */
  90     public FileDetailFragment() {
  91         super();
  92         mAccount = null;
  93         mLayout = R.layout.file_details_empty;
  94         mProgressListener = null;
  95     }
  96
  97     /**
  98      * Creates a details fragment.
  99      *
 100      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 101      *
 102      * @param fileToDetail      An {@link OCFile} to show in the fragment
 103      * @param ocAccount         An ownCloud account; needed to start downloads
 104      */
 105     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 106         super(fileToDetail);
 107         mAccount = ocAccount;
 108         mLayout = R.layout.file_details_empty;
 109         mProgressListener = null;
 110     }
 111
 112
 113     @Override
 114     public void onCreate(Bundle savedInstanceState) {
 115         super.onCreate(savedInstanceState);
 116         setHasOptionsMenu(true);
 117     }
 118
 119
 120     @Override
 121     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 122             Bundle savedInstanceState) {
 123         //super.onCreateView(inflater, container, savedInstanceState);
 124
 125         if (savedInstanceState != null) {
 126             setFile((OCFile)savedInstanceState.getParcelable(FileActivity.EXTRA_FILE));
 127             mAccount = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
 128         }
 129
 130         if(getFile() != null && mAccount != null) {
 131             mLayout = R.layout.file_details_fragment;
 132         }
 133
 134         View view = null;
 135         view = inflater.inflate(mLayout, null);
 136         mView = view;
 137
 138         if (mLayout == R.layout.file_details_fragment) {
 139             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 140             ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
 141             mProgressListener = new ProgressListener(progressBar);
 142             mView.findViewById(R.id.fdCancelBtn).setOnClickListener(this);
 143         }
 144
 145         updateFileDetails(false, false);
 146         return view;
 147     }
 148
 149     /**
 150      * {@inheritDoc}
 151      */
 152     @Override
 153     public void onActivityCreated(Bundle savedInstanceState) {
 154         super.onActivityCreated(savedInstanceState);
 155         // TODO: Remove this code. (Updated no needed)
 156 //        if (mAccount != null) {
 157 //            OCFile file = mContainerActivity.getStorageManager().
 158 //              getFileByPath(getFile().getRemotePath());
 159 //            if (file != null) {
 160 //                setFile(file);
 161 //            }
 162 //        }
 163     }
 164
 165
 166     @Override
 167     public void onSaveInstanceState(Bundle outState) {
 168         super.onSaveInstanceState(outState);
 169         outState.putParcelable(FileActivity.EXTRA_FILE, getFile());
 170         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, mAccount);
 171     }
 172
 173     @Override
 174     public void onStart() {
 175         super.onStart();
 176         listenForTransferProgress();
 177     }
 178
 179     @Override
 180     public void onResume() {
 181         super.onResume();
 182         mUploadFinishReceiver = new UploadFinishReceiver();
 183         IntentFilter filter = new IntentFilter(FileUploader.getUploadFinishMessage());
 184         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 185
 186     }
 187
 188
 189     @Override
 190     public void onPause() {
 191         super.onPause();
 192         if (mUploadFinishReceiver != null) {
 193             getActivity().unregisterReceiver(mUploadFinishReceiver);
 194             mUploadFinishReceiver = null;
 195         }
 196     }
 197
 198
 199     @Override
 200     public void onStop() {
 201         super.onStop();
 202         leaveTransferProgress();
 203     }
 204
 205
 206     @Override
 207     public View getView() {
 208         return super.getView() == null ? mView : super.getView();
 209     }
 210
 211
 212     /**
 213      * {@inheritDoc}
 214      */
 215     @Override
 216     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 217         super.onCreateOptionsMenu(menu, inflater);
 218         inflater.inflate(R.menu.file_actions_menu, menu);
 219         MenuItem item = menu.findItem(R.id.action_see_details);
 220         if (item != null) {
 221             item.setVisible(false);
 222             item.setEnabled(false);
 223         }
 224
 225         // Send file
 226         item = menu.findItem(R.id.action_send_file);
 227         boolean sendEnabled = getString(R.string.send_files_to_other_apps).equalsIgnoreCase("on");
 228         if (item != null) {
 229             if (sendEnabled) {
 230                 item.setVisible(true);
 231                 item.setEnabled(true);
 232             } else {
 233                 item.setVisible(false);
 234                 item.setEnabled(false);
 235
 236             }
 237         }
 238     }
 239
 240
 241     /**
 242      * {@inheritDoc}
 243      */
 244     @Override
 245     public void onPrepareOptionsMenu (Menu menu) {
 246         super.onPrepareOptionsMenu(menu);
 247
 248         List<Integer> toHide = new ArrayList<Integer>();
 249         List<Integer> toShow = new ArrayList<Integer>();
 250         OCFile file = getFile();
 251
 252         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 253         boolean downloading = downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file);
 254         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 255         boolean uploading = uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile());
 256
 257         if (downloading || uploading) {
 258             toHide.add(R.id.action_download_file);
 259             toHide.add(R.id.action_rename_file);
 260             toHide.add(R.id.action_remove_file);
 261             toHide.add(R.id.action_open_file_with);
 262             if (!downloading) {
 263                 toHide.add(R.id.action_cancel_download);
 264                 toShow.add(R.id.action_cancel_upload);
 265             } else {
 266                 toHide.add(R.id.action_cancel_upload);
 267                 toShow.add(R.id.action_cancel_download);
 268             }
 269
 270         } else if (file != null && file.isDown()) {
 271             toHide.add(R.id.action_download_file);
 272             toHide.add(R.id.action_cancel_download);
 273             toHide.add(R.id.action_cancel_upload);
 274
 275             toShow.add(R.id.action_rename_file);
 276             toShow.add(R.id.action_remove_file);
 277             toShow.add(R.id.action_open_file_with);
 278             toShow.add(R.id.action_sync_file);
 279
 280         } else if (file != null) {
 281             toHide.add(R.id.action_open_file_with);
 282             toHide.add(R.id.action_cancel_download);
 283             toHide.add(R.id.action_cancel_upload);
 284             toHide.add(R.id.action_sync_file);
 285
 286             toShow.add(R.id.action_rename_file);
 287             toShow.add(R.id.action_remove_file);
 288             toShow.add(R.id.action_download_file);
 289
 290         } else {
 291             toHide.add(R.id.action_open_file_with);
 292             toHide.add(R.id.action_cancel_download);
 293             toHide.add(R.id.action_cancel_upload);
 294             toHide.add(R.id.action_sync_file);
 295             toHide.add(R.id.action_download_file);
 296             toHide.add(R.id.action_rename_file);
 297             toHide.add(R.id.action_remove_file);
 298
 299         }
 300
 301         // Options shareLink
 302         if (!file.isShareByLink()) {
 303             toHide.add(R.id.action_unshare_file);
 304         } else {
 305             toShow.add(R.id.action_unshare_file);
 306         }
 307
 308         MenuItem item = null;
 309         for (int i : toHide) {
 310             item = menu.findItem(i);
 311             if (item != null) {
 312                 item.setVisible(false);
 313                 item.setEnabled(false);
 314             }
 315         }
 316         for (int i : toShow) {
 317             item = menu.findItem(i);
 318             if (item != null) {
 319                 item.setVisible(true);
 320                 item.setEnabled(true);
 321             }
 322         }
 323     }
 324
 325
 326     /**
 327      * {@inheritDoc}
 328      */
 329     @Override
 330     public boolean onOptionsItemSelected(MenuItem item) {
 331         switch (item.getItemId()) {
 332             case R.id.action_share_file: {
 333                 mContainerActivity.getFileOperationsHelper().shareFileWithLink(getFile());
 334                 return true;
 335             }
 336             case R.id.action_unshare_file: {
 337                 mContainerActivity.getFileOperationsHelper().unshareFileWithLink(getFile());
 338                 return true;
 339             }
 340             case R.id.action_open_file_with: {
 341                 mContainerActivity.getFileOperationsHelper().openFile(getFile());
 342                 return true;
 343             }
 344             case R.id.action_remove_file: {
 345                 showDialogToRemoveFile();
 346                 return true;
 347             }
 348             case R.id.action_rename_file: {
 349                 showDialogToRenameFile();
 350                 return true;
 351             }
 352             case R.id.action_cancel_download:
 353             case R.id.action_cancel_upload: {
 354                 ((FileDisplayActivity)mContainerActivity).cancelTransference(getFile());
 355                 return true;
 356             }
 357             case R.id.action_download_file:
 358             case R.id.action_sync_file: {
 359                 mContainerActivity.getFileOperationsHelper().syncFile(getFile());
 360                 return true;
 361             }
 362             case R.id.action_send_file: {
 363                 // Obtain the file
 364                 if (!getFile().isDown()) {  // Download the file
 365                     Log_OC.d(TAG, getFile().getRemotePath() + " : File must be downloaded");
 366                     ((FileDisplayActivity)mContainerActivity).startDownloadForSending(getFile());
 367
 368                 } else {
 369                     ((FileDisplayActivity)mContainerActivity).getFileOperationsHelper().sendDownloadedFile(getFile());
 370                 }
 371                 return true;
 372             }
 373             default:
 374                 return false;
 375         }
 376     }
 377
 378     @Override
 379     public void onClick(View v) {
 380         switch (v.getId()) {
 381             case R.id.fdKeepInSync: {
 382                 toggleKeepInSync();
 383                 break;
 384             }
 385             case R.id.fdCancelBtn: {
 386                 ((FileDisplayActivity)mContainerActivity).cancelTransference(getFile());
 387                 break;
 388             }
 389             default:
 390                 Log_OC.e(TAG, "Incorrect view clicked!");
 391         }
 392     }
 393
 394
 395     private void toggleKeepInSync() {
 396         CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 397         OCFile file = getFile();
 398         file.setKeepInSync(cb.isChecked());
 399         mContainerActivity.getStorageManager().saveFile(file);
 400
 401         /// register the OCFile instance in the observer service to monitor local updates;
 402         /// if necessary, the file is download
 403         Intent intent = new Intent(getActivity().getApplicationContext(),
 404                                    FileObserverService.class);
 405         intent.putExtra(FileObserverService.KEY_FILE_CMD,
 406                    (cb.isChecked()?
 407                            FileObserverService.CMD_ADD_OBSERVED_FILE:
 408                            FileObserverService.CMD_DEL_OBSERVED_FILE));
 409         intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, file);
 410         intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 411         getActivity().startService(intent);
 412
 413         if (file.keepInSync()) {
 414             mContainerActivity.getFileOperationsHelper().syncFile(getFile());
 415         }
 416     }
 417
 418     private void showDialogToRemoveFile() {
 419         OCFile file = getFile();
 420         ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 421                 R.string.confirmation_remove_alert,
 422                 new String[]{file.getFileName()},
 423                 file.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 424                 file.isDown() ? R.string.confirmation_remove_local : -1,
 425                 R.string.common_cancel);
 426         confDialog.setOnConfirmationListener(this);
 427         confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 428     }
 429
 430
 431     private void showDialogToRenameFile() {
 432         OCFile file = getFile();
 433         String fileName = file.getFileName();
 434         int extensionStart = file.isFolder() ? -1 : fileName.lastIndexOf(".");
 435         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 436         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 437         dialog.show(getFragmentManager(), "nameeditdialog");
 438     }
 439
 440
 441     @Override
 442     public void onConfirmation(String callerTag) {
 443         OCFile file = getFile();
 444         if (callerTag.equals(FTAG_CONFIRMATION)) {
 445             if (mContainerActivity.getStorageManager().getFileById(file.getFileId()) != null) {
 446                 mContainerActivity.getFileOperationsHelper().removeFile(file, true);
 447             }
 448         }
 449     }
 450
 451     @Override
 452     public void onNeutral(String callerTag) {
 453         OCFile file = getFile();
 454         mContainerActivity.getStorageManager().removeFile(file, false, true);    // TODO perform in background task / new thread
 455         if (file.getStoragePath() != null) {
 456             file.setStoragePath(null);
 457             updateFileDetails(file, mAccount);
 458         }
 459     }
 460
 461     @Override
 462     public void onCancel(String callerTag) {
 463         Log_OC.d(TAG, "REMOVAL CANCELED");
 464     }
 465
 466
 467     /**
 468      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 469      *
 470      * @return  True when the fragment was created with the empty layout.
 471      */
 472     public boolean isEmpty() {
 473         return (mLayout == R.layout.file_details_empty || getFile() == null || mAccount == null);
 474     }
 475
 476
 477     /**
 478      * Use this method to signal this Activity that it shall update its view.
 479      *
 480      * @param file : An {@link OCFile}
 481      */
 482     public void updateFileDetails(OCFile file, Account ocAccount) {
 483         setFile(file);
 484         mAccount = ocAccount;
 485         updateFileDetails(false, false);
 486     }
 487
 488     /**
 489      * Updates the view with all relevant details about that file.
 490      *
 491      * TODO Remove parameter when the transferring state of files is kept in database.
 492      *
 493      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 494      *
 495      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 496      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 497      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 498      *
 499      * @param refresh           If 'true', try to refresh the whole file from the database
 500      */
 501     public void updateFileDetails(boolean transferring, boolean refresh) {
 502
 503         if (readyToShow()) {
 504             FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 505             if (refresh && storageManager != null) {
 506                 setFile(storageManager.getFileByPath(getFile().getRemotePath()));
 507             }
 508             OCFile file = getFile();
 509
 510             // set file details
 511             setFilename(file.getFileName());
 512             setFiletype(file.getMimetype());
 513             setFilesize(file.getFileLength());
 514             if(ocVersionSupportsTimeCreated()){
 515                 setTimeCreated(file.getCreationTimestamp());
 516             }
 517
 518             setTimeModified(file.getModificationTimestamp());
 519
 520             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 521             cb.setChecked(file.keepInSync());
 522
 523             // configure UI for depending upon local state of the file
 524             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 525             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 526             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file))) {
 527                 setButtonsForTransferring();
 528
 529             } else if (file.isDown()) {
 530
 531                 setButtonsForDown();
 532
 533             } else {
 534                 // TODO load default preview image; when the local file is removed, the preview remains there
 535                 setButtonsForRemote();
 536             }
 537         }
 538         getView().invalidate();
 539     }
 540
 541     /**
 542      * Checks if the fragment is ready to show details of a OCFile
 543      *
 544      * @return  'True' when the fragment is ready to show details of a file
 545      */
 546     private boolean readyToShow() {
 547         return (getFile() != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 548     }
 549
 550
 551     /**
 552      * Updates the filename in view
 553      * @param filename to set
 554      */
 555     private void setFilename(String filename) {
 556         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 557         if (tv != null)
 558             tv.setText(filename);
 559     }
 560
 561     /**
 562      * Updates the MIME type in view
 563      * @param mimetype to set
 564      */
 565     private void setFiletype(String mimetype) {
 566         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 567         if (tv != null) {
 568             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 569             tv.setText(printableMimetype);
 570         }
 571         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 572         if (iv != null) {
 573             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 574         }
 575     }
 576
 577     /**
 578      * Updates the file size in view
 579      * @param filesize in bytes to set
 580      */
 581     private void setFilesize(long filesize) {
 582         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 583         if (tv != null)
 584             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 585     }
 586
 587     /**
 588      * Updates the time that the file was created in view
 589      * @param milliseconds Unix time to set
 590      */
 591     private void setTimeCreated(long milliseconds){
 592         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 593         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 594         if(tv != null){
 595             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 596             tv.setVisibility(View.VISIBLE);
 597             tvLabel.setVisibility(View.VISIBLE);
 598         }
 599     }
 600
 601     /**
 602      * Updates the time that the file was last modified
 603      * @param milliseconds Unix time to set
 604      */
 605     private void setTimeModified(long milliseconds){
 606         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 607         if(tv != null){
 608             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 609         }
 610     }
 611
 612     /**
 613      * Enables or disables buttons for a file being downloaded
 614      */
 615     private void setButtonsForTransferring() {
 616         if (!isEmpty()) {
 617             // let's protect the user from himself ;)
 618             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 619
 620             // show the progress bar for the transfer
 621             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 622             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 623             progressText.setVisibility(View.VISIBLE);
 624             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 625             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 626             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile())) {
 627                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 628             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile())) {
 629                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 630             }
 631         }
 632     }
 633
 634     /**
 635      * Enables or disables buttons for a file locally available
 636      */
 637     private void setButtonsForDown() {
 638         if (!isEmpty()) {
 639             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 640
 641             // hides the progress bar
 642             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 643             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 644             progressText.setVisibility(View.GONE);
 645         }
 646     }
 647
 648     /**
 649      * Enables or disables buttons for a file not locally available
 650      */
 651     private void setButtonsForRemote() {
 652         if (!isEmpty()) {
 653             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 654
 655             // hides the progress bar
 656             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 657             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 658             progressText.setVisibility(View.GONE);
 659         }
 660     }
 661
 662
 663     /**
 664      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 665      * the time that the file was created. There is a chance that this will
 666      * be fixed in future versions. Use this method to check if this version of
 667      * ownCloud has this fix.
 668      * @return True, if ownCloud the ownCloud version is supporting creation time
 669      */
 670     private boolean ocVersionSupportsTimeCreated(){
 671         /*if(mAccount != null){
 672             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 673             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 674                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 675             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 676                 return true;
 677             }
 678         }*/
 679         return false;
 680     }
 681
 682
 683     /**
 684      * Once the file upload has finished -> update view
 685      *
 686      * Being notified about the finish of an upload is necessary for the next sequence:
 687      *   1. Upload a big file.
 688      *   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
 689      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 690      *   3. Click the file in the list to see its details.
 691      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 692      */
 693     private class UploadFinishReceiver extends BroadcastReceiver {
 694         @Override
 695         public void onReceive(Context context, Intent intent) {
 696             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 697
 698             if (!isEmpty() && accountName.equals(mAccount.name)) {
 699                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 700                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 701                 boolean renamedInUpload = getFile().getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 702                 if (getFile().getRemotePath().equals(uploadRemotePath) ||
 703                     renamedInUpload) {
 704                     if (uploadWasFine) {
 705                         setFile(mContainerActivity.getStorageManager().getFileByPath(uploadRemotePath));
 706                     }
 707                     if (renamedInUpload) {
 708                         String newName = (new File(uploadRemotePath)).getName();
 709                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 710                         msg.show();
 711                     }
 712                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 713
 714                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 715
 716                     // Force the preview if the file is an image
 717                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
 718                         ((FileDisplayActivity)mContainerActivity).startImagePreview(getFile());
 719                     }
 720                 }
 721             }
 722         }
 723     }
 724
 725
 726     public void onDismiss(EditNameDialog dialog) {
 727         if (dialog.getResult()) {
 728             String newFilename = dialog.getNewFilename();
 729             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 730             mContainerActivity.getFileOperationsHelper().renameFile(getFile(), newFilename);
 731         }
 732     }
 733
 734
 735     public void listenForTransferProgress() {
 736         if (mProgressListener != null) {
 737             if (mContainerActivity.getFileDownloaderBinder() != null) {
 738                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 739             }
 740             if (mContainerActivity.getFileUploaderBinder() != null) {
 741                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 742             }
 743         }
 744     }
 745
 746
 747     public void leaveTransferProgress() {
 748         if (mProgressListener != null) {
 749             if (mContainerActivity.getFileDownloaderBinder() != null) {
 750                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 751             }
 752             if (mContainerActivity.getFileUploaderBinder() != null) {
 753                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 754             }
 755         }
 756     }
 757
 758
 759
 760     /**
 761      * Helper class responsible for updating the progress bar shown for file uploading or downloading
 762      *
 763      * @author David A. Velasco
 764      */
 765     private class ProgressListener implements OnDatatransferProgressListener {
 766         int mLastPercent = 0;
 767         WeakReference<ProgressBar> mProgressBar = null;
 768
 769         ProgressListener(ProgressBar progressBar) {
 770             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 771         }
 772
 773         @Override
 774         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
 775             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 776             if (percent != mLastPercent) {
 777                 ProgressBar pb = mProgressBar.get();
 778                 if (pb != null) {
 779                     pb.setProgress(percent);
 780                     pb.postInvalidate();
 781                 }
 782             }
 783             mLastPercent = percent;
 784         }
 785
 786     };
 787
 788 }