src/com/owncloud/android/ui/fragment/OCFileListFragment.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.util.ArrayList;
  22 import java.util.List;
  23
  24 import com.owncloud.android.R;
  25 import com.owncloud.android.authentication.AccountUtils;
  26 import com.owncloud.android.datamodel.FileDataStorageManager;
  27 import com.owncloud.android.datamodel.OCFile;
  28 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  29 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  30 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  31 import com.owncloud.android.lib.common.operations.RemoteOperation;
  32 import com.owncloud.android.operations.RemoveFileOperation;
  33 import com.owncloud.android.operations.RenameFileOperation;
  34 import com.owncloud.android.operations.SynchronizeFileOperation;
  35 import com.owncloud.android.ui.activity.FileDisplayActivity;
  36 import com.owncloud.android.ui.activity.TransferServiceGetter;
  37 import com.owncloud.android.ui.adapter.FileListListAdapter;
  38 import com.owncloud.android.ui.dialog.EditNameDialog;
  39 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  40 import com.owncloud.android.ui.fragment.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
  41 import com.owncloud.android.ui.preview.PreviewImageFragment;
  42 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  43 import com.owncloud.android.utils.Log_OC;
  44
  45 import android.accounts.Account;
  46 import android.app.Activity;
  47 import android.os.Bundle;
  48 import android.os.Handler;
  49 import android.view.ContextMenu;
  50 import android.view.MenuInflater;
  51 import android.view.MenuItem;
  52 import android.view.View;
  53 import android.widget.AdapterView;
  54 import android.widget.AdapterView.AdapterContextMenuInfo;
  55
  56 /**
  57  * A Fragment that lists all files and folders in a given path.
  58  *
  59  * @author Bartek Przybylski
  60  *
  61  */
  62 public class OCFileListFragment extends ExtendedListFragment implements EditNameDialogListener, ConfirmationDialogFragmentListener {
  63
  64     private static final String TAG = OCFileListFragment.class.getSimpleName();
  65
  66     private static final String MY_PACKAGE = OCFileListFragment.class.getPackage() != null ? OCFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
  67     private static final String EXTRA_FILE = MY_PACKAGE + ".extra.FILE";
  68
  69     private static final String KEY_INDEXES = "INDEXES";
  70     private static final String KEY_FIRST_POSITIONS= "FIRST_POSITIONS";
  71     private static final String KEY_TOPS = "TOPS";
  72     private static final String KEY_HEIGHT_CELL = "HEIGHT_CELL";
  73
  74     private OCFileListFragment.ContainerActivity mContainerActivity;
  75
  76     private OCFile mFile = null;
  77     private FileListListAdapter mAdapter;
  78
  79     private Handler mHandler;
  80     private OCFile mTargetFile;
  81
  82     // Save the state of the scroll in browsing
  83     private ArrayList<Integer> mIndexes;
  84     private ArrayList<Integer> mFirstPositions;
  85     private ArrayList<Integer> mTops;
  86
  87     private int mHeightCell = 0;
  88
  89     /**
  90      * {@inheritDoc}
  91      */
  92     @Override
  93     public void onAttach(Activity activity) {
  94         super.onAttach(activity);
  95         Log_OC.e(TAG, "onAttach");
  96         try {
  97             mContainerActivity = (ContainerActivity) activity;
  98         } catch (ClassCastException e) {
  99             throw new ClassCastException(activity.toString() + " must implement " + OCFileListFragment.ContainerActivity.class.getSimpleName());
 100         }
 101     }
 102
 103
 104     /**
 105      * {@inheritDoc}
 106      */
 107     @Override
 108     public void onActivityCreated(Bundle savedInstanceState) {
 109         super.onActivityCreated(savedInstanceState);
 110         Log_OC.e(TAG, "onActivityCreated() start");
 111         mAdapter = new FileListListAdapter(getActivity(), mContainerActivity);
 112         if (savedInstanceState != null) {
 113             mFile = savedInstanceState.getParcelable(EXTRA_FILE);
 114             mIndexes = savedInstanceState.getIntegerArrayList(KEY_INDEXES);
 115             mFirstPositions = savedInstanceState.getIntegerArrayList(KEY_FIRST_POSITIONS);
 116             mTops = savedInstanceState.getIntegerArrayList(KEY_TOPS);
 117             mHeightCell = savedInstanceState.getInt(KEY_HEIGHT_CELL);
 118
 119         } else {
 120             mIndexes = new ArrayList<Integer>();
 121             mFirstPositions = new ArrayList<Integer>();
 122             mTops = new ArrayList<Integer>();
 123             mHeightCell = 0;
 124
 125         }
 126
 127         setListAdapter(mAdapter);
 128
 129         registerForContextMenu(getListView());
 130         getListView().setOnCreateContextMenuListener(this);
 131
 132         mHandler = new Handler();
 133
 134     }
 135
 136     /**
 137      * Saves the current listed folder.
 138      */
 139     @Override
 140     public void onSaveInstanceState (Bundle outState) {
 141         super.onSaveInstanceState(outState);
 142         outState.putParcelable(EXTRA_FILE, mFile);
 143         outState.putIntegerArrayList(KEY_INDEXES, mIndexes);
 144         outState.putIntegerArrayList(KEY_FIRST_POSITIONS, mFirstPositions);
 145         outState.putIntegerArrayList(KEY_TOPS, mTops);
 146         outState.putInt(KEY_HEIGHT_CELL, mHeightCell);
 147     }
 148
 149     /**
 150      * Call this, when the user presses the up button.
 151      *
 152      * Tries to move up the current folder one level. If the parent folder was removed from the database,
 153      * it continues browsing up until finding an existing folders.
 154      *
 155      * return       Count of folder levels browsed up.
 156      */
 157     public int onBrowseUp() {
 158         OCFile parentDir = null;
 159         int moveCount = 0;
 160
 161         if(mFile != null){
 162             FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 163
 164             String parentPath = null;
 165             if (mFile.getParentId() != FileDataStorageManager.ROOT_PARENT_ID) {
 166                 parentPath = new File(mFile.getRemotePath()).getParent();
 167                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
 168                 parentDir = storageManager.getFileByPath(parentPath);
 169                 moveCount++;
 170             } else {
 171                 parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH);    // never returns null; keep the path in root folder
 172             }
 173             while (parentDir == null) {
 174                 parentPath = new File(parentPath).getParent();
 175                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
 176                 parentDir = storageManager.getFileByPath(parentPath);
 177                 moveCount++;
 178             }   // exit is granted because storageManager.getFileByPath("/") never returns null
 179             mFile = parentDir;
 180         }
 181
 182         if (mFile != null) {
 183             listDirectory(mFile);
 184
 185             mContainerActivity.startSyncFolderOperation(mFile);
 186
 187             // restore index and top position
 188             restoreIndexAndTopPosition();
 189
 190         }   // else - should never happen now
 191
 192         return moveCount;
 193     }
 194
 195     /*
 196      * Restore index and position
 197      */
 198     private void restoreIndexAndTopPosition() {
 199         int index = mIndexes.get(mIndexes.size() - 1);
 200         mIndexes.remove(mIndexes.size() - 1);
 201
 202         int firstPosition = mFirstPositions.get(mFirstPositions.size() - 1);
 203         mFirstPositions.remove(mFirstPositions.size() -1);
 204
 205         int top = mTops.get(mTops.size() - 1);
 206         mTops.remove(mTops.size() - 1);
 207
 208         mList.setSelectionFromTop(firstPosition, top);
 209
 210         // Move the scroll if the selection is not visible
 211         int indexPosition = mHeightCell*index;
 212         int height = mList.getHeight();
 213
 214         if (indexPosition > height) {
 215             mList.smoothScrollToPosition(index);
 216         }
 217     }
 218
 219     /*
 220      * Save index and top position
 221      */
 222     private void saveIndexAndTopPosition(int index) {
 223
 224         mIndexes.add(index);
 225
 226         int firstPosition = mList.getFirstVisiblePosition();
 227         mFirstPositions.add(firstPosition);
 228
 229         View view = mList.getChildAt(0);
 230         int top = (view == null) ? 0 : view.getTop() ;
 231
 232         mTops.add(top);
 233
 234         // Save the height of a cell
 235         mHeightCell = (view == null || mHeightCell != 0) ? mHeightCell : view.getHeight();
 236     }
 237
 238     @Override
 239     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 240         OCFile file = (OCFile) mAdapter.getItem(position);
 241         if (file != null) {
 242             if (file.isFolder()) {
 243                 // update state and view of this fragment
 244                 listDirectory(file);
 245                 // then, notify parent activity to let it update its state and view, and other fragments
 246                 mContainerActivity.onBrowsedDownTo(file);
 247                 // save index and top position
 248                 saveIndexAndTopPosition(position);
 249
 250             } else { /// Click on a file
 251                 if (PreviewImageFragment.canBePreviewed(file)) {
 252                     // preview image - it handles the download, if needed
 253                     mContainerActivity.startImagePreview(file);
 254
 255                 } else if (file.isDown()) {
 256                     if (PreviewMediaFragment.canBePreviewed(file)) {
 257                         // media preview
 258                         mContainerActivity.startMediaPreview(file, 0, true);
 259                     } else {
 260                         FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 261                         activity.getFileOperationsHelper().openFile(file, activity);
 262                     }
 263
 264                 } else {
 265                     // automatic download, preview on finish
 266                     mContainerActivity.startDownloadForPreview(file);
 267                 }
 268
 269             }
 270
 271         } else {
 272             Log_OC.d(TAG, "Null object in ListAdapter!!");
 273         }
 274
 275     }
 276
 277     /**
 278      * {@inheritDoc}
 279      */
 280     @Override
 281     public void onCreateContextMenu (ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 282         super.onCreateContextMenu(menu, v, menuInfo);
 283         MenuInflater inflater = getActivity().getMenuInflater();
 284         inflater.inflate(R.menu.file_actions_menu, menu);
 285         AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 286         OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 287         List<Integer> toHide = new ArrayList<Integer>();
 288         List<Integer> toDisable = new ArrayList<Integer>();
 289
 290         MenuItem item = null;
 291         if (targetFile.isFolder()) {
 292             // contextual menu for folders
 293             toHide.add(R.id.action_open_file_with);
 294             toHide.add(R.id.action_download_file);
 295             toHide.add(R.id.action_cancel_download);
 296             toHide.add(R.id.action_cancel_upload);
 297             toHide.add(R.id.action_sync_file);
 298             toHide.add(R.id.action_see_details);
 299             toHide.add(R.id.action_send_file);
 300             if (    mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile) ||
 301                     mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)           ) {
 302                 toDisable.add(R.id.action_rename_file);
 303                 toDisable.add(R.id.action_remove_file);
 304
 305             }
 306
 307         } else {
 308             // contextual menu for regular files
 309
 310             // new design: 'download' and 'open with' won't be available anymore in context menu
 311             toHide.add(R.id.action_download_file);
 312             toHide.add(R.id.action_open_file_with);
 313
 314             if (targetFile.isDown()) {
 315                 toHide.add(R.id.action_cancel_download);
 316                 toHide.add(R.id.action_cancel_upload);
 317
 318             } else {
 319                 toHide.add(R.id.action_sync_file);
 320             }
 321             if ( mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 322                 toHide.add(R.id.action_cancel_upload);
 323                 toDisable.add(R.id.action_rename_file);
 324                 toDisable.add(R.id.action_remove_file);
 325
 326             } else if ( mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 327                 toHide.add(R.id.action_cancel_download);
 328                 toDisable.add(R.id.action_rename_file);
 329                 toDisable.add(R.id.action_remove_file);
 330
 331             } else {
 332                 toHide.add(R.id.action_cancel_download);
 333                 toHide.add(R.id.action_cancel_upload);
 334             }
 335         }
 336
 337         // Options shareLink
 338         if (!targetFile.isShareByLink()) {
 339             toHide.add(R.id.action_unshare_file);
 340         }
 341
 342         // Send file
 343         boolean sendEnabled = getString(R.string.send_files_to_other_apps).equalsIgnoreCase("on");
 344         if (!sendEnabled) {
 345             toHide.add(R.id.action_send_file);
 346         }
 347
 348         for (int i : toHide) {
 349             item = menu.findItem(i);
 350             if (item != null) {
 351                 item.setVisible(false);
 352                 item.setEnabled(false);
 353             }
 354         }
 355
 356         for (int i : toDisable) {
 357             item = menu.findItem(i);
 358             if (item != null) {
 359                 item.setEnabled(false);
 360             }
 361         }
 362     }
 363
 364
 365     /**
 366      * {@inhericDoc}
 367      */
 368     @Override
 369     public boolean onContextItemSelected (MenuItem item) {
 370         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 371         mTargetFile = (OCFile) mAdapter.getItem(info.position);
 372         switch (item.getItemId()) {
 373             case R.id.action_share_file: {
 374                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 375                 activity.getFileOperationsHelper().shareFileWithLink(mTargetFile, activity);
 376                 return true;
 377             }
 378             case R.id.action_unshare_file: {
 379                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 380                 activity.getFileOperationsHelper().unshareFileWithLink(mTargetFile, activity);
 381                 return true;
 382             }
 383             case R.id.action_rename_file: {
 384                 String fileName = mTargetFile.getFileName();
 385                 int extensionStart = mTargetFile.isFolder() ? -1 : fileName.lastIndexOf(".");
 386                 int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 387                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 388                 dialog.show(getFragmentManager(), EditNameDialog.TAG);
 389                 return true;
 390             }
 391             case R.id.action_remove_file: {
 392                 int messageStringId = R.string.confirmation_remove_alert;
 393                 int posBtnStringId = R.string.confirmation_remove_remote;
 394                 int neuBtnStringId = -1;
 395                 if (mTargetFile.isFolder()) {
 396                     messageStringId = R.string.confirmation_remove_folder_alert;
 397                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 398                     neuBtnStringId = R.string.confirmation_remove_folder_local;
 399                 } else if (mTargetFile.isDown()) {
 400                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 401                     neuBtnStringId = R.string.confirmation_remove_local;
 402                 }
 403                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 404                         messageStringId,
 405                         new String[]{mTargetFile.getFileName()},
 406                         posBtnStringId,
 407                         neuBtnStringId,
 408                         R.string.common_cancel);
 409                 confDialog.setOnConfirmationListener(this);
 410                 confDialog.show(getFragmentManager(), FileDetailFragment.FTAG_CONFIRMATION);
 411                 return true;
 412             }
 413             case R.id.action_sync_file: {
 414                 Account account = AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity());
 415                 RemoteOperation operation = new SynchronizeFileOperation(mTargetFile, null, mContainerActivity.getStorageManager(), account, true, getSherlockActivity());
 416                 operation.execute(account, getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 417                 ((FileDisplayActivity) getSherlockActivity()).showLoadingDialog();
 418                 return true;
 419             }
 420             case R.id.action_cancel_download: {
 421                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 422                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 423                 if (downloaderBinder != null && downloaderBinder.isDownloading(account, mTargetFile)) {
 424                     downloaderBinder.cancel(account, mTargetFile);
 425                     listDirectory();
 426                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 427                 }
 428                 return true;
 429             }
 430             case R.id.action_cancel_upload: {
 431                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 432                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 433                 if (uploaderBinder != null && uploaderBinder.isUploading(account, mTargetFile)) {
 434                     uploaderBinder.cancel(account, mTargetFile);
 435                     listDirectory();
 436                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 437                 }
 438                 return true;
 439             }
 440             case R.id.action_see_details: {
 441                 ((FileFragment.ContainerActivity)getActivity()).showDetails(mTargetFile);
 442                 return true;
 443             }
 444             case R.id.action_send_file: {
 445                 // Obtain the file
 446                 if (!mTargetFile.isDown()) {  // Download the file
 447                     Log_OC.d(TAG, mTargetFile.getRemotePath() + " : File must be downloaded");
 448                     mContainerActivity.startDownloadForSending(mTargetFile);
 449
 450                 } else {
 451
 452                     FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 453                     activity.getFileOperationsHelper().sendDownloadedFile(mTargetFile, activity);
 454                 }
 455                 return true;
 456             }
 457             default:
 458                 return super.onContextItemSelected(item);
 459         }
 460     }
 461
 462
 463     /**
 464      * Use this to query the {@link OCFile} that is currently
 465      * being displayed by this fragment
 466      * @return The currently viewed OCFile
 467      */
 468     public OCFile getCurrentFile(){
 469         return mFile;
 470     }
 471
 472     /**
 473      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 474      */
 475     public void listDirectory(){
 476         listDirectory(null);
 477     }
 478
 479     /**
 480      * Lists the given directory on the view. When the input parameter is null,
 481      * it will either refresh the last known directory. list the root
 482      * if there never was a directory.
 483      *
 484      * @param directory File to be listed
 485      */
 486     public void listDirectory(OCFile directory) {
 487         FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 488         if (storageManager != null) {
 489
 490             // Check input parameters for null
 491             if(directory == null){
 492                 if(mFile != null){
 493                     directory = mFile;
 494                 } else {
 495                     directory = storageManager.getFileByPath("/");
 496                     if (directory == null) return; // no files, wait for sync
 497                 }
 498             }
 499
 500
 501             // If that's not a directory -> List its parent
 502             if(!directory.isFolder()){
 503                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 504                 directory = storageManager.getFileById(directory.getParentId());
 505             }
 506
 507             mAdapter.swapDirectory(directory, storageManager);
 508             if (mFile == null || !mFile.equals(directory)) {
 509                 mList.setSelectionFromTop(0, 0);
 510             }
 511             mFile = directory;
 512         }
 513     }
 514
 515
 516
 517     /**
 518      * Interface to implement by any Activity that includes some instance of FileListFragment
 519      *
 520      * @author David A. Velasco
 521      */
 522     public interface ContainerActivity extends TransferServiceGetter, OnRemoteOperationListener {
 523
 524         /**
 525          * Callback method invoked when a the user browsed into a different folder through the list of files
 526          *
 527          * @param file
 528          */
 529         public void onBrowsedDownTo(OCFile folder);
 530
 531         public void startDownloadForPreview(OCFile file);
 532
 533         public void startMediaPreview(OCFile file, int i, boolean b);
 534
 535         public void startImagePreview(OCFile file);
 536
 537         public void startSyncFolderOperation(OCFile folder);
 538
 539         /**
 540          * Getter for the current DataStorageManager in the container activity
 541          */
 542         public FileDataStorageManager getStorageManager();
 543
 544
 545         /**
 546          * Callback method invoked when a the 'transfer state' of a file changes.
 547          *
 548          * This happens when a download or upload is started or ended for a file.
 549          *
 550          * This method is necessary by now to update the user interface of the double-pane layout in tablets
 551          * because methods {@link FileDownloaderBinder#isDownloading(Account, OCFile)} and {@link FileUploaderBinder#isUploading(Account, OCFile)}
 552          * won't provide the needed response before the method where this is called finishes.
 553          *
 554          * TODO Remove this when the transfer state of a file is kept in the database (other thing TODO)
 555          *
 556          * @param file          OCFile which state changed.
 557          * @param downloading   Flag signaling if the file is now downloading.
 558          * @param uploading     Flag signaling if the file is now uploading.
 559          */
 560         public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading);
 561
 562         void startDownloadForSending(OCFile file);
 563
 564     }
 565
 566
 567     @Override
 568     public void onDismiss(EditNameDialog dialog) {
 569         if (dialog.getResult()) {
 570             String newFilename = dialog.getNewFilename();
 571             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 572             RemoteOperation operation = new RenameFileOperation(mTargetFile,
 573                                                                 AccountUtils.getCurrentOwnCloudAccount(getActivity()),
 574                                                                 newFilename,
 575                                                                 mContainerActivity.getStorageManager());
 576             operation.execute(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 577             ((FileDisplayActivity) getActivity()).showLoadingDialog();
 578         }
 579     }
 580
 581
 582     @Override
 583     public void onConfirmation(String callerTag) {
 584         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
 585             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
 586                 RemoteOperation operation = new RemoveFileOperation( mTargetFile,
 587                                                                     true,
 588                                                                     mContainerActivity.getStorageManager());
 589                 operation.execute(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 590
 591                 ((FileDisplayActivity) getActivity()).showLoadingDialog();
 592             }
 593         }
 594     }
 595
 596     @Override
 597     public void onNeutral(String callerTag) {
 598         mContainerActivity.getStorageManager().removeFile(mTargetFile, false, true);    // TODO perform in background task / new thread
 599         listDirectory();
 600         mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 601     }
 602
 603     @Override
 604     public void onCancel(String callerTag) {
 605         Log_OC.d(TAG, "REMOVAL CANCELED");
 606     }
 607
 608
 609 }