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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author masensio
   6  *   @author David A. Velasco
   7  *   Copyright (C) 2011  Bartek Przybylski
   8  *   Copyright (C) 2015 ownCloud Inc.
   9  *
  10  *   This program is free software: you can redistribute it and/or modify
  11  *   it under the terms of the GNU General Public License version 2,
  12  *   as published by the Free Software Foundation.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23 package com.owncloud.android.ui.fragment;
  24
  25 import android.app.Activity;
  26 import android.content.Intent;
  27 import android.content.SharedPreferences;
  28 import android.os.Build;
  29 import android.os.Bundle;
  30 import android.preference.PreferenceManager;
  31 import android.support.v4.widget.SwipeRefreshLayout;
  32 import android.view.ActionMode;
  33 import android.view.Menu;
  34 import android.view.MenuInflater;
  35 import android.view.MenuItem;
  36 import android.view.View;
  37 import android.widget.AbsListView;
  38 import android.widget.AdapterView;
  39 import android.widget.AdapterView.AdapterContextMenuInfo;
  40 import android.widget.PopupMenu;
  41 import android.widget.TextView;
  42 import android.widget.Toast;
  43
  44 import com.owncloud.android.MainApp;
  45 import com.owncloud.android.R;
  46 import com.owncloud.android.authentication.AccountUtils;
  47 import com.owncloud.android.datamodel.FileDataStorageManager;
  48 import com.owncloud.android.datamodel.OCFile;
  49 import com.owncloud.android.files.FileMenuFilter;
  50 import com.owncloud.android.lib.common.utils.Log_OC;
  51 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  52 import com.owncloud.android.ui.activity.FileActivity;
  53 import com.owncloud.android.ui.activity.FileDisplayActivity;
  54 import com.owncloud.android.ui.activity.FolderPickerActivity;
  55 import com.owncloud.android.ui.activity.OnEnforceableRefreshListener;
  56 import com.owncloud.android.ui.activity.UploadFilesActivity;
  57 import com.owncloud.android.ui.adapter.FileListListAdapter;
  58 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  59 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  60 import com.owncloud.android.ui.dialog.FileActionsDialogFragment;
  61 import com.owncloud.android.ui.dialog.RemoveFileDialogFragment;
  62 import com.owncloud.android.ui.dialog.RemoveFilesDialogFragment;
  63 import com.owncloud.android.ui.dialog.RenameFileDialogFragment;
  64 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
  65 import com.owncloud.android.ui.preview.PreviewImageFragment;
  66 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  67 import com.owncloud.android.utils.DisplayUtils;
  68 import com.owncloud.android.utils.FileStorageUtils;
  69 import com.owncloud.android.ui.preview.PreviewTextFragment;
  70
  71 import java.io.File;
  72 import java.util.ArrayList;
  73
  74 /**
  75  * A Fragment that lists all files and folders in a given path.
  76  *
  77  * TODO refactor to get rid of direct dependency on FileDisplayActivity
  78  */
  79 public class OCFileListFragment extends ExtendedListFragment {
  80
  81     private static final String TAG = OCFileListFragment.class.getSimpleName();
  82
  83     private static final String MY_PACKAGE = OCFileListFragment.class.getPackage() != null ?
  84             OCFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
  85
  86     public final static String ARG_JUST_FOLDERS = MY_PACKAGE + ".JUST_FOLDERS";
  87     public final static String ARG_ALLOW_CONTEXTUAL_ACTIONS = MY_PACKAGE + ".ALLOW_CONTEXTUAL";
  88     public final static String ARG_HIDE_FAB = MY_PACKAGE + ".HIDE_FAB";
  89
  90     private static final String KEY_FILE = MY_PACKAGE + ".extra.FILE";
  91     private static final String KEY_FAB_EVER_CLICKED = "FAB_EVER_CLICKED";
  92
  93     private static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
  94
  95     private FileFragment.ContainerActivity mContainerActivity;
  96
  97     private OCFile mFile = null;
  98     private FileListListAdapter mAdapter;
  99     private boolean mJustFolders;
 100
 101     private OCFile mTargetFile;
 102
 103     private boolean miniFabClicked = false;
 104
 105     /**
 106      * {@inheritDoc}
 107      */
 108     @Override
 109     public void onAttach(Activity activity) {
 110         super.onAttach(activity);
 111         Log_OC.e(TAG, "onAttach");
 112         try {
 113             mContainerActivity = (FileFragment.ContainerActivity) activity;
 114
 115         } catch (ClassCastException e) {
 116             throw new ClassCastException(activity.toString() + " must implement " +
 117                     FileFragment.ContainerActivity.class.getSimpleName());
 118         }
 119         try {
 120             setOnRefreshListener((OnEnforceableRefreshListener) activity);
 121
 122         } catch (ClassCastException e) {
 123             throw new ClassCastException(activity.toString() + " must implement " +
 124                     SwipeRefreshLayout.OnRefreshListener.class.getSimpleName());
 125         }
 126     }
 127
 128
 129     @Override
 130     public void onDetach() {
 131         setOnRefreshListener(null);
 132         mContainerActivity = null;
 133         super.onDetach();
 134     }
 135
 136     /**
 137      * {@inheritDoc}
 138      */
 139     @Override
 140     public void onActivityCreated(Bundle savedInstanceState) {
 141         super.onActivityCreated(savedInstanceState);
 142         Log_OC.e(TAG, "onActivityCreated() start");
 143
 144         if (savedInstanceState != null) {
 145             mFile = savedInstanceState.getParcelable(KEY_FILE);
 146         }
 147
 148         if (mJustFolders) {
 149             setFooterEnabled(false);
 150         } else {
 151             setFooterEnabled(true);
 152         }
 153
 154         Bundle args = getArguments();
 155         mJustFolders = (args == null) ? false : args.getBoolean(ARG_JUST_FOLDERS, false);
 156         mAdapter = new FileListListAdapter(
 157                 mJustFolders,
 158                 getActivity(),
 159                 mContainerActivity
 160         );
 161         setListAdapter(mAdapter);
 162
 163         registerLongClickListener();
 164
 165         boolean hideFab = (args != null) && args.getBoolean(ARG_HIDE_FAB, false);
 166         if (hideFab) {
 167             setFabEnabled(false);
 168         } else {
 169             setFabEnabled(true);
 170             registerFabListeners();
 171
 172             // detect if a mini FAB has ever been clicked
 173             final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
 174             if(prefs.getLong(KEY_FAB_EVER_CLICKED, 0) > 0) {
 175                 miniFabClicked = true;
 176             }
 177
 178             // add labels to the min FABs when none of them has ever been clicked on
 179             if(!miniFabClicked) {
 180                 setFabLabels();
 181             } else {
 182                 removeFabLabels();
 183             }
 184         }
 185   }
 186
 187     /**
 188      * adds labels to all mini FABs.
 189      */
 190     private void setFabLabels() {
 191         getFabUpload().setTitle(getResources().getString(R.string.actionbar_upload));
 192         getFabMkdir().setTitle(getResources().getString(R.string.actionbar_mkdir));
 193         getFabUploadFromApp().setTitle(getResources().getString(R.string.actionbar_upload_from_apps));
 194     }
 195
 196     /**
 197      * registers all listeners on all mini FABs.
 198      */
 199     private void registerFabListeners() {
 200         registerFabUploadListeners();
 201         registerFabMkDirListeners();
 202         registerFabUploadFromAppListeners();
 203     }
 204
 205     /**
 206      * registers {@link android.view.View.OnClickListener} and {@link android.view.View.OnLongClickListener}
 207      * on the Upload mini FAB for the linked action and {@link Toast} showing the underlying action.
 208      */
 209     private void registerFabUploadListeners() {
 210         getFabUpload().setOnClickListener(new View.OnClickListener() {
 211             @Override
 212             public void onClick(View v) {
 213                 Intent action = new Intent(getActivity(), UploadFilesActivity.class);
 214                 action.putExtra(
 215                         UploadFilesActivity.EXTRA_ACCOUNT,
 216                         ((FileActivity) getActivity()).getAccount()
 217                 );
 218                 getActivity().startActivityForResult(action, UploadSourceDialogFragment.ACTION_SELECT_MULTIPLE_FILES);
 219                 getFabMain().collapse();
 220                 recordMiniFabClick();
 221             }
 222         });
 223
 224         getFabUpload().setOnLongClickListener(new View.OnLongClickListener() {
 225             @Override
 226             public boolean onLongClick(View v) {
 227                 Toast.makeText(getActivity(), R.string.actionbar_upload, Toast.LENGTH_SHORT).show();
 228                 return true;
 229             }
 230         });
 231     }
 232
 233     /**
 234      * registers {@link android.view.View.OnClickListener} and {@link android.view.View.OnLongClickListener}
 235      * on the 'Create Dir' mini FAB for the linked action and {@link Toast} showing the underlying action.
 236      */
 237     private void registerFabMkDirListeners() {
 238         getFabMkdir().setOnClickListener(new View.OnClickListener() {
 239             @Override
 240             public void onClick(View v) {
 241                 CreateFolderDialogFragment dialog =
 242                         CreateFolderDialogFragment.newInstance(mFile);
 243                 dialog.show(getActivity().getSupportFragmentManager(), FileDisplayActivity.DIALOG_CREATE_FOLDER);
 244                 getFabMain().collapse();
 245                 recordMiniFabClick();
 246             }
 247         });
 248
 249         getFabMkdir().setOnLongClickListener(new View.OnLongClickListener() {
 250             @Override
 251             public boolean onLongClick(View v) {
 252                 Toast.makeText(getActivity(), R.string.actionbar_mkdir, Toast.LENGTH_SHORT).show();
 253                 return true;
 254             }
 255         });
 256     }
 257
 258     /**
 259      * registers {@link android.view.View.OnClickListener} and {@link android.view.View.OnLongClickListener}
 260      * on the Upload from App mini FAB for the linked action and {@link Toast} showing the underlying action.
 261      */
 262     private void registerFabUploadFromAppListeners() {
 263         getFabUploadFromApp().setOnClickListener(new View.OnClickListener() {
 264             @Override
 265             public void onClick(View v) {
 266                 Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 267                 action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 268
 269                 //Intent.EXTRA_ALLOW_MULTIPLE is only supported on api level 18+, Jelly Bean
 270                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 271                     action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 272                 }
 273
 274                 getActivity().startActivityForResult(
 275                         Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 276                         UploadSourceDialogFragment.ACTION_SELECT_CONTENT_FROM_APPS
 277                 );
 278                 getFabMain().collapse();
 279                 recordMiniFabClick();
 280             }
 281         });
 282
 283         getFabUploadFromApp().setOnLongClickListener(new View.OnLongClickListener() {
 284             @Override
 285             public boolean onLongClick(View v) {
 286                 Toast.makeText(getActivity(),
 287                         R.string.actionbar_upload_from_apps,
 288                         Toast.LENGTH_SHORT).show();
 289                 return true;
 290             }
 291         });
 292     }
 293
 294     /**
 295      * records a click on a mini FAB and thus:
 296      * <ol>
 297      *     <li>persists the click fact</li>
 298      *     <li>removes the mini FAB labels</li>
 299      * </ol>
 300      */
 301     private void recordMiniFabClick() {
 302         // only record if it hasn't been done already at some other time
 303         if(!miniFabClicked) {
 304             final SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getActivity());
 305             sp.edit().putLong(KEY_FAB_EVER_CLICKED, 1).commit();
 306             miniFabClicked = true;
 307         }
 308     }
 309
 310     /**
 311      * removes the labels on all known min FABs.
 312      */
 313     private void removeFabLabels() {
 314         getFabUpload().setTitle(null);
 315         getFabMkdir().setTitle(null);
 316         getFabUploadFromApp().setTitle(null);
 317         ((TextView) getFabUpload().getTag(com.getbase.floatingactionbutton.R.id.fab_label)).setVisibility(View.GONE);
 318         ((TextView) getFabMkdir().getTag(com.getbase.floatingactionbutton.R.id.fab_label)).setVisibility(View.GONE);
 319         ((TextView) getFabUploadFromApp().getTag(com.getbase.floatingactionbutton.R.id.fab_label)).setVisibility(View.GONE);
 320     }
 321
 322     private void registerLongClickListener() {
 323         getListView().setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
 324             private Menu menu;
 325
 326             @Override
 327             public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
 328                 final int checkedCount = getListView().getCheckedItemCount();
 329                 // TODO Tobi extract to values
 330                 mode.setTitle(checkedCount + " selected");
 331
 332                 if (checked) {
 333                     mAdapter.setNewSelection(position, checked);
 334                 } else {
 335                     mAdapter.removeSelection(position);
 336                 }
 337
 338                 // TODO maybe change: only recreate menu if count changes
 339                 menu.clear();
 340                 if (checkedCount == 1) {
 341                     createContextMenu(menu);
 342                 } else {
 343                     // download, move, copy, delete
 344                     getActivity().getMenuInflater().inflate(R.menu.multiple_file_actions_menu, menu);
 345                 }
 346
 347             }
 348
 349             @Override
 350             public boolean onCreateActionMode(ActionMode mode, Menu menu) {
 351                 this.menu = menu;
 352                 return true;
 353             }
 354
 355             @Override
 356             public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
 357                 return false;
 358             }
 359
 360             @Override
 361             public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
 362                 return onFileActionChosen(item.getItemId());
 363             }
 364
 365             @Override
 366             public void onDestroyActionMode(ActionMode mode) {
 367                 mAdapter.removeSelection();
 368             }
 369         });
 370     }
 371
 372
 373     private void showFileAction(int fileIndex) {
 374         Bundle args = getArguments();
 375         PopupMenu pm = new PopupMenu(getActivity(),null);
 376         Menu menu = pm.getMenu();
 377
 378         boolean allowContextualActions =
 379                 (args == null) ? true : args.getBoolean(ARG_ALLOW_CONTEXTUAL_ACTIONS, true);
 380
 381         if (allowContextualActions) {
 382             MenuInflater inflater = getActivity().getMenuInflater();
 383
 384             inflater.inflate(R.menu.file_actions_menu, menu);
 385             OCFile targetFile = (OCFile) mAdapter.getItem(fileIndex);
 386
 387             if (mContainerActivity.getStorageManager() != null) {
 388                 FileMenuFilter mf = new FileMenuFilter(
 389                         targetFile,
 390                         mContainerActivity.getStorageManager().getAccount(),
 391                         mContainerActivity,
 392                         getActivity()
 393                 );
 394                 mf.filter(menu);
 395             }
 396
 397             /// TODO break this direct dependency on FileDisplayActivity... if possible
 398             MenuItem item = menu.findItem(R.id.action_open_file_with);
 399             FileFragment frag = ((FileDisplayActivity)getActivity()).getSecondFragment();
 400             if (frag != null && frag instanceof FileDetailFragment &&
 401                     frag.getFile().getFileId() == targetFile.getFileId()) {
 402                 item = menu.findItem(R.id.action_see_details);
 403                 if (item != null) {
 404                     item.setVisible(false);
 405                     item.setEnabled(false);
 406                 }
 407             }
 408
 409             FileActionsDialogFragment dialog = FileActionsDialogFragment.newInstance(menu, fileIndex, targetFile.getFileName());
 410             dialog.setTargetFragment(this, 0);
 411             dialog.show(getFragmentManager(), FileActionsDialogFragment.FTAG_FILE_ACTIONS);
 412         }
 413     }
 414
 415     /**
 416      * Saves the current listed folder.
 417      */
 418     @Override
 419     public void onSaveInstanceState(Bundle outState) {
 420         super.onSaveInstanceState(outState);
 421         outState.putParcelable(KEY_FILE, mFile);
 422     }
 423
 424     /**
 425      * Call this, when the user presses the up button.
 426      * <p>
 427      *     Tries to move up the current folder one level. If the parent folder was removed from the
 428      *     database, it continues browsing up until finding an existing folders.
 429      * </p>
 430      * @return Count of folder levels browsed up.
 431      */
 432     public int onBrowseUp() {
 433         OCFile parentDir = null;
 434         int moveCount = 0;
 435
 436         if (mFile != null) {
 437             FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 438
 439             String parentPath = null;
 440             if (mFile.getParentId() != FileDataStorageManager.ROOT_PARENT_ID) {
 441                 parentPath = new File(mFile.getRemotePath()).getParent();
 442                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 443                         parentPath + OCFile.PATH_SEPARATOR;
 444                 parentDir = storageManager.getFileByPath(parentPath);
 445                 moveCount++;
 446             } else {
 447                 parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH);
 448             }
 449             while (parentDir == null) {
 450                 parentPath = new File(parentPath).getParent();
 451                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 452                         parentPath + OCFile.PATH_SEPARATOR;
 453                 parentDir = storageManager.getFileByPath(parentPath);
 454                 moveCount++;
 455             }   // exit is granted because storageManager.getFileByPath("/") never returns null
 456             mFile = parentDir;
 457
 458             listDirectory(mFile, MainApp.getOnlyOnDevice());
 459
 460             onRefresh(false);
 461
 462             // restore index and top position
 463             restoreIndexAndTopPosition();
 464
 465         }   // else - should never happen now
 466
 467         return moveCount;
 468     }
 469
 470     @Override
 471     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 472         OCFile file = (OCFile) mAdapter.getItem(position);
 473         if (file != null) {
 474             if (file.isFolder()) {
 475                 // update state and view of this fragment
 476                 listDirectory(file, MainApp.getOnlyOnDevice());
 477                 // then, notify parent activity to let it update its state and view
 478                 mContainerActivity.onBrowsedDownTo(file);
 479                 // save index and top position
 480                 saveIndexAndTopPosition(position);
 481
 482             } else { /// Click on a file
 483                 if (PreviewImageFragment.canBePreviewed(file)) {
 484                     // preview image - it handles the download, if needed
 485                     ((FileDisplayActivity)mContainerActivity).startImagePreview(file);
 486                 } else if (PreviewTextFragment.canBePreviewed(file)){
 487                     ((FileDisplayActivity)mContainerActivity).startTextPreview(file);
 488                 } else if (file.isDown()) {
 489                     if (PreviewMediaFragment.canBePreviewed(file)) {
 490                         // media preview
 491                         ((FileDisplayActivity) mContainerActivity).startMediaPreview(file, 0, true);
 492                     } else {
 493                         mContainerActivity.getFileOperationsHelper().openFile(file);
 494                     }
 495                 } else {
 496                     // automatic download, preview on finish
 497                     ((FileDisplayActivity) mContainerActivity).startDownloadForPreview(file);
 498                 }
 499             }
 500         } else {
 501             Log_OC.d(TAG, "Null object in ListAdapter!!");
 502         }
 503
 504     }
 505
 506     /**
 507      * {@inheritDoc}
 508      */
 509     // TODO Tobi needed?
 510     public void createContextMenu(Menu menu) {
 511         Bundle args = getArguments();
 512         boolean allowContextualActions =
 513                 (args == null) ? true : args.getBoolean(ARG_ALLOW_CONTEXTUAL_ACTIONS, true);
 514         if (allowContextualActions) {
 515             MenuInflater inflater = getActivity().getMenuInflater();
 516             inflater.inflate(R.menu.file_actions_menu, menu);
 517             OCFile targetFile = null;
 518             if (mAdapter.getCheckedItems().size() == 1){
 519                 targetFile = mAdapter.getCheckedItems().get(0);
 520             }
 521
 522             if (mContainerActivity.getStorageManager() != null) {
 523                 FileMenuFilter mf = new FileMenuFilter(
 524                     targetFile,
 525                     mContainerActivity.getStorageManager().getAccount(),
 526                     mContainerActivity,
 527                     getActivity()
 528                 );
 529                 mf.filter(menu);
 530             }
 531
 532             /// TODO break this direct dependency on FileDisplayActivity... if possible
 533             MenuItem item = menu.findItem(R.id.action_open_file_with);
 534             FileFragment frag = ((FileDisplayActivity)getActivity()).getSecondFragment();
 535             if (frag != null && frag instanceof FileDetailFragment &&
 536                     frag.getFile().getFileId() == targetFile.getFileId()) {
 537                 item = menu.findItem(R.id.action_see_details);
 538                 if (item != null) {
 539                     item.setVisible(false);
 540                     item.setEnabled(false);
 541                 }
 542             }
 543
 544 //            String.format(mContext.getString(R.string.subject_token),
 545 //                    getClient().getCredentials().getUsername(), file.getFileName()));
 546         }
 547     }
 548
 549     public boolean onFileActionChosen(int menuId) {
 550         if (mAdapter.getCheckedItems().size() == 1){
 551             OCFile mTargetFile = mAdapter.getCheckedItems().get(0);
 552
 553             switch (menuId) {
 554                 case R.id.action_share_file: {
 555                     mContainerActivity.getFileOperationsHelper().shareFileWithLink(mTargetFile);
 556                     return true;
 557                 }
 558                 case R.id.action_open_file_with: {
 559                     mContainerActivity.getFileOperationsHelper().openFile(mTargetFile);
 560                     return true;
 561                 }
 562                 case R.id.action_unshare_file: {
 563                     mContainerActivity.getFileOperationsHelper().unshareFileWithLink(mTargetFile);
 564                     return true;
 565                 }
 566                 case R.id.action_rename_file: {
 567                     RenameFileDialogFragment dialog = RenameFileDialogFragment.newInstance(mTargetFile);
 568                     dialog.show(getFragmentManager(), FileDetailFragment.FTAG_RENAME_FILE);
 569                     return true;
 570                 }
 571                 case R.id.action_remove_file: {
 572                     RemoveFileDialogFragment dialog = RemoveFileDialogFragment.newInstance(mTargetFile);
 573                     dialog.show(getFragmentManager(), ConfirmationDialogFragment.FTAG_CONFIRMATION);
 574                     return true;
 575                 }
 576                 case R.id.action_download_file:
 577                 case R.id.action_sync_file: {
 578                     mContainerActivity.getFileOperationsHelper().syncFile(mTargetFile);
 579                     return true;
 580                 }
 581                 case R.id.action_cancel_sync: {
 582                     ((FileDisplayActivity) mContainerActivity).cancelTransference(mTargetFile);
 583                     return true;
 584                 }
 585                 case R.id.action_see_details: {
 586                     mContainerActivity.showDetails(mTargetFile);
 587                     return true;
 588                 }
 589                 case R.id.action_send_file: {
 590                     // Obtain the file
 591                     if (!mTargetFile.isDown()) {  // Download the file
 592                         Log_OC.d(TAG, mTargetFile.getRemotePath() + " : File must be downloaded");
 593                         ((FileDisplayActivity) mContainerActivity).startDownloadForSending(mTargetFile);
 594
 595                     } else {
 596                         mContainerActivity.getFileOperationsHelper().sendDownloadedFile(mTargetFile);
 597                     }
 598                     return true;
 599                 }
 600                 case R.id.action_move: {
 601                     Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 602                     ArrayList files = new ArrayList();
 603                     files.add(mTargetFile);
 604                     action.putParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES, files);
 605                     getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_MOVE_FILES);
 606                     return true;
 607                 }
 608                 case R.id.action_favorite_file: {
 609                     mContainerActivity.getFileOperationsHelper().toggleFavorite(mTargetFile, true);
 610                     return true;
 611                 }
 612                 case R.id.action_unfavorite_file: {
 613                     mContainerActivity.getFileOperationsHelper().toggleFavorite(mTargetFile, false);
 614                     return true;
 615                 }
 616                 case R.id.action_copy:
 617                     Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 618
 619                     // Pass mTargetFile that contains info of selected file/folder
 620                     action.putExtra(FolderPickerActivity.EXTRA_FILE, mTargetFile);
 621                     getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_COPY_FILES);
 622                     return true;
 623                 default:
 624                     return false;
 625             }
 626         } else {
 627             ArrayList<OCFile> mTargetFiles = mAdapter.getCheckedItems();
 628
 629             switch (menuId) {
 630                 case R.id.action_remove_file: {
 631                     RemoveFilesDialogFragment dialog = RemoveFilesDialogFragment.newInstance(mTargetFiles);
 632                     dialog.show(getFragmentManager(), ConfirmationDialogFragment.FTAG_CONFIRMATION);
 633                     return true;
 634                 }
 635                 case R.id.action_download_file:
 636                 case R.id.action_sync_file: {
 637                     mContainerActivity.getFileOperationsHelper().syncFiles(mTargetFiles);
 638                     return true;
 639                 }
 640                 case R.id.action_move: {
 641                     Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 642                     action.putParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES, mTargetFiles);
 643                     getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_MOVE_FILES);
 644                     return true;
 645                 }
 646                 case R.id.action_favorite_file: {
 647                     mContainerActivity.getFileOperationsHelper().toggleFavorites(mTargetFiles, true);
 648                     return true;
 649                 }
 650                 case R.id.action_unfavorite_file: {
 651                     mContainerActivity.getFileOperationsHelper().toggleFavorites(mTargetFiles, false);
 652                     return true;
 653                 }
 654                 case R.id.action_copy:
 655                     Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 656                     action.putParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES, mTargetFiles);
 657                     getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_COPY_FILES);
 658                     return true;
 659                 default:
 660                     return false;
 661             }
 662         }
 663
 664     }
 665
 666     /**
 667      * {@inhericDoc}
 668      */
 669     @Override
 670     public boolean onContextItemSelected (MenuItem item) {
 671         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 672         boolean matched = onFileActionChosen(item.getItemId());
 673         if(!matched) {
 674             return super.onContextItemSelected(item);
 675         } else {
 676             return matched;
 677         }
 678     }
 679
 680
 681     /**
 682      * Use this to query the {@link OCFile} that is currently
 683      * being displayed by this fragment
 684      *
 685      * @return The currently viewed OCFile
 686      */
 687     public OCFile getCurrentFile() {
 688         return mFile;
 689     }
 690
 691     /**
 692      * Calls {@link OCFileListFragment#listDirectory(OCFile, boolean)} with a null parameter
 693      */
 694     public void listDirectory(boolean onlyOnDevice){
 695         listDirectory(null, onlyOnDevice);
 696     }
 697
 698     public void refreshDirectory(){
 699         listDirectory(getCurrentFile(), MainApp.getOnlyOnDevice());
 700     }
 701
 702     /**
 703      * Lists the given directory on the view. When the input parameter is null,
 704      * it will either refresh the last known directory. list the root
 705      * if there never was a directory.
 706      *
 707      * @param directory File to be listed
 708      */
 709     public void listDirectory(OCFile directory, boolean onlyOnDevice) {
 710         FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 711         if (storageManager != null) {
 712
 713             // Check input parameters for null
 714             if (directory == null) {
 715                 if (mFile != null) {
 716                     directory = mFile;
 717                 } else {
 718                     directory = storageManager.getFileByPath("/");
 719                     if (directory == null) return; // no files, wait for sync
 720                 }
 721             }
 722
 723
 724             // If that's not a directory -> List its parent
 725             if (!directory.isFolder()) {
 726                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 727                 directory = storageManager.getFileById(directory.getParentId());
 728             }
 729
 730             mAdapter.swapDirectory(directory, storageManager, onlyOnDevice);
 731             if (mFile == null || !mFile.equals(directory)) {
 732                 mCurrentListView.setSelection(0);
 733             }
 734             mFile = directory;
 735
 736             updateLayout();
 737
 738         }
 739     }
 740
 741     private void updateLayout() {
 742         if (!mJustFolders) {
 743             int filesCount = 0, foldersCount = 0, imagesCount = 0;
 744             int count = mAdapter.getCount();
 745             OCFile file;
 746             for (int i=0; i < count ; i++) {
 747                 file = (OCFile) mAdapter.getItem(i);
 748                 if (file.isFolder()) {
 749                     foldersCount++;
 750                 } else {
 751                     if (!file.isHidden()) {
 752                         filesCount++;
 753
 754                         if (file.isImage()) {
 755                             imagesCount++;
 756                         }
 757                     }
 758                 }
 759             }
 760             // set footer text
 761             setFooterText(generateFooterText(filesCount, foldersCount));
 762
 763             // decide grid vs list view
 764             OwnCloudVersion version = AccountUtils.getServerVersion(
 765                     ((FileActivity)mContainerActivity).getAccount());
 766             if (version != null && version.supportsRemoteThumbnails() &&
 767                     DisplayUtils.isGridView(mFile, mContainerActivity.getStorageManager())) {
 768                 switchToGridView();
 769                 registerLongClickListener();
 770             } else {
 771                 switchToListView();
 772             }
 773         }
 774     }
 775
 776     private String generateFooterText(int filesCount, int foldersCount) {
 777         String output;
 778         if (filesCount <= 0) {
 779             if (foldersCount <= 0) {
 780                 output = "";
 781
 782             } else if (foldersCount == 1) {
 783                 output = getResources().getString(R.string.file_list__footer__folder);
 784
 785             } else { // foldersCount > 1
 786                 output = getResources().getString(R.string.file_list__footer__folders, foldersCount);
 787             }
 788
 789         } else if (filesCount == 1) {
 790             if (foldersCount <= 0) {
 791                 output = getResources().getString(R.string.file_list__footer__file);
 792
 793             } else if (foldersCount == 1) {
 794                 output = getResources().getString(R.string.file_list__footer__file_and_folder);
 795
 796             } else { // foldersCount > 1
 797                 output = getResources().getString(R.string.file_list__footer__file_and_folders, foldersCount);
 798             }
 799         } else {    // filesCount > 1
 800             if (foldersCount <= 0) {
 801                 output = getResources().getString(R.string.file_list__footer__files, filesCount);
 802
 803             } else if (foldersCount == 1) {
 804                 output = getResources().getString(R.string.file_list__footer__files_and_folder, filesCount);
 805
 806             } else { // foldersCount > 1
 807                 output = getResources().getString(
 808                         R.string.file_list__footer__files_and_folders, filesCount, foldersCount
 809                 );
 810
 811             }
 812         }
 813         return output;
 814     }
 815
 816     public void sortByName(boolean descending) {
 817         mAdapter.setSortOrder(FileStorageUtils.SORT_NAME, descending);
 818     }
 819
 820     public void sortByDate(boolean descending) {
 821         mAdapter.setSortOrder(FileStorageUtils.SORT_DATE, descending);
 822     }
 823
 824     public void sortBySize(boolean descending) {
 825         mAdapter.setSortOrder(FileStorageUtils.SORT_SIZE, descending);
 826     }
 827 }