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.accounts.Account;
  26 import android.app.Activity;
  27 import android.content.Context;
  28 import android.content.DialogInterface;
  29 import android.content.Intent;
  30 import android.content.SharedPreferences;
  31 import android.os.Build;
  32 import android.net.Uri;
  33 import android.os.Bundle;
  34 import android.preference.PreferenceManager;
  35 import android.support.v4.widget.SwipeRefreshLayout;
  36 import android.view.ActionMode;
  37 import android.support.v7.app.AlertDialog;
  38 import android.view.ContextMenu;
  39 import android.view.Menu;
  40 import android.view.MenuInflater;
  41 import android.view.MenuItem;
  42 import android.view.View;
  43 import android.widget.AbsListView;
  44 import android.widget.AdapterView;
  45 import android.widget.AdapterView.AdapterContextMenuInfo;
  46 import android.widget.PopupMenu;
  47 import android.widget.TextView;
  48 import android.widget.Toast;
  49
  50 import com.owncloud.android.MainApp;
  51 import com.owncloud.android.R;
  52 import com.owncloud.android.authentication.AccountUtils;
  53 import com.owncloud.android.datamodel.FileDataStorageManager;
  54 import com.owncloud.android.datamodel.OCFile;
  55 import com.owncloud.android.files.FileMenuFilter;
  56 import com.owncloud.android.lib.common.utils.Log_OC;
  57 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  58 import com.owncloud.android.media.MediaService;
  59 import com.owncloud.android.ui.activity.FileActivity;
  60 import com.owncloud.android.ui.activity.FileDisplayActivity;
  61 import com.owncloud.android.ui.activity.FolderPickerActivity;
  62 import com.owncloud.android.ui.activity.OnEnforceableRefreshListener;
  63 import com.owncloud.android.ui.activity.UploadFilesActivity;
  64 import com.owncloud.android.ui.adapter.FileListListAdapter;
  65 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  66 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  67 import com.owncloud.android.ui.dialog.FileActionsDialogFragment;
  68 import com.owncloud.android.ui.dialog.RemoveFileDialogFragment;
  69 import com.owncloud.android.ui.dialog.RemoveFilesDialogFragment;
  70 import com.owncloud.android.ui.dialog.RenameFileDialogFragment;
  71 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
  72 import com.owncloud.android.ui.preview.PreviewImageFragment;
  73 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  74 import com.owncloud.android.utils.DisplayUtils;
  75 import com.owncloud.android.utils.ExceptionHandler;
  76 import com.owncloud.android.utils.FileStorageUtils;
  77 import com.owncloud.android.ui.preview.PreviewTextFragment;
  78 import com.owncloud.android.utils.FileStorageUtils;
  79
  80 import java.io.File;
  81 import java.util.ArrayList;
  82
  83 /**
  84  * A Fragment that lists all files and folders in a given path.
  85  *
  86  * TODO refactor to get rid of direct dependency on FileDisplayActivity
  87  */
  88 public class OCFileListFragment extends ExtendedListFragment {
  89
  90     private static final String TAG = OCFileListFragment.class.getSimpleName();
  91
  92     private static final String MY_PACKAGE = OCFileListFragment.class.getPackage() != null ?
  93             OCFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
  94
  95     public final static String ARG_JUST_FOLDERS = MY_PACKAGE + ".JUST_FOLDERS";
  96     public final static String ARG_ALLOW_CONTEXTUAL_ACTIONS = MY_PACKAGE + ".ALLOW_CONTEXTUAL";
  97     public final static String ARG_HIDE_FAB = MY_PACKAGE + ".HIDE_FAB";
  98
  99     private static final String KEY_FILE = MY_PACKAGE + ".extra.FILE";
 100     private static final String KEY_FAB_EVER_CLICKED = "FAB_EVER_CLICKED";
 101
 102     private static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 103
 104     private FileFragment.ContainerActivity mContainerActivity;
 105
 106     private OCFile mFile = null;
 107     private FileListListAdapter mAdapter;
 108     private boolean mJustFolders;
 109
 110     private OCFile mTargetFile;
 111
 112     private boolean miniFabClicked = false;
 113
 114     /**
 115      * {@inheritDoc}
 116      */
 117     @Override
 118     public void onAttach(Activity activity) {
 119         super.onAttach(activity);
 120         Log_OC.e(TAG, "onAttach");
 121         try {
 122             mContainerActivity = (FileFragment.ContainerActivity) activity;
 123
 124         } catch (ClassCastException e) {
 125             throw new ClassCastException(activity.toString() + " must implement " +
 126                     FileFragment.ContainerActivity.class.getSimpleName());
 127         }
 128         try {
 129             setOnRefreshListener((OnEnforceableRefreshListener) activity);
 130
 131         } catch (ClassCastException e) {
 132             throw new ClassCastException(activity.toString() + " must implement " +
 133                     SwipeRefreshLayout.OnRefreshListener.class.getSimpleName());
 134         }
 135     }
 136
 137
 138     @Override
 139     public void onDetach() {
 140         setOnRefreshListener(null);
 141         mContainerActivity = null;
 142         super.onDetach();
 143     }
 144
 145     /**
 146      * {@inheritDoc}
 147      */
 148     @Override
 149     public void onActivityCreated(Bundle savedInstanceState) {
 150         super.onActivityCreated(savedInstanceState);
 151         Log_OC.e(TAG, "onActivityCreated() start");
 152
 153         if (savedInstanceState != null) {
 154             mFile = savedInstanceState.getParcelable(KEY_FILE);
 155         }
 156
 157         if (mJustFolders) {
 158             setFooterEnabled(false);
 159         } else {
 160             setFooterEnabled(true);
 161         }
 162
 163         Bundle args = getArguments();
 164         mJustFolders = (args == null) ? false : args.getBoolean(ARG_JUST_FOLDERS, false);
 165         mAdapter = new FileListListAdapter(
 166                 mJustFolders,
 167                 getActivity(),
 168                 mContainerActivity
 169         );
 170         setListAdapter(mAdapter);
 171
 172         registerLongClickListener();
 173
 174         boolean hideFab = (args != null) && args.getBoolean(ARG_HIDE_FAB, false);
 175         if (hideFab) {
 176             setFabEnabled(false);
 177         } else {
 178             setFabEnabled(true);
 179             registerFabListeners();
 180
 181             // detect if a mini FAB has ever been clicked
 182             final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
 183             if(prefs.getLong(KEY_FAB_EVER_CLICKED, 0) > 0) {
 184                 miniFabClicked = true;
 185             }
 186
 187             // add labels to the min FABs when none of them has ever been clicked on
 188             if(!miniFabClicked) {
 189                 setFabLabels();
 190             } else {
 191                 removeFabLabels();
 192             }
 193         }
 194   }
 195
 196     /**
 197      * adds labels to all mini FABs.
 198      */
 199     private void setFabLabels() {
 200         getFabUpload().setTitle(getResources().getString(R.string.actionbar_upload));
 201         getFabMkdir().setTitle(getResources().getString(R.string.actionbar_mkdir));
 202         getFabUploadFromApp().setTitle(getResources().getString(R.string.actionbar_upload_from_apps));
 203     }
 204
 205     /**
 206      * registers all listeners on all mini FABs.
 207      */
 208     private void registerFabListeners() {
 209         registerFabUploadListeners();
 210         registerFabMkDirListeners();
 211         registerFabUploadFromAppListeners();
 212     }
 213
 214     /**
 215      * registers {@link android.view.View.OnClickListener} and {@link android.view.View.OnLongClickListener}
 216      * on the Upload mini FAB for the linked action and {@link Toast} showing the underlying action.
 217      */
 218     private void registerFabUploadListeners() {
 219         getFabUpload().setOnClickListener(new View.OnClickListener() {
 220             @Override
 221             public void onClick(View v) {
 222                 Intent action = new Intent(getActivity(), UploadFilesActivity.class);
 223                 action.putExtra(
 224                         UploadFilesActivity.EXTRA_ACCOUNT,
 225                         ((FileActivity) getActivity()).getAccount()
 226                 );
 227                 getActivity().startActivityForResult(action, UploadSourceDialogFragment.ACTION_SELECT_MULTIPLE_FILES);
 228                 getFabMain().collapse();
 229                 recordMiniFabClick();
 230             }
 231         });
 232
 233         getFabUpload().setOnLongClickListener(new View.OnLongClickListener() {
 234             @Override
 235             public boolean onLongClick(View v) {
 236                 Toast.makeText(getActivity(), R.string.actionbar_upload, Toast.LENGTH_SHORT).show();
 237                 return true;
 238             }
 239         });
 240     }
 241
 242     /**
 243      * registers {@link android.view.View.OnClickListener} and {@link android.view.View.OnLongClickListener}
 244      * on the 'Create Dir' mini FAB for the linked action and {@link Toast} showing the underlying action.
 245      */
 246     private void registerFabMkDirListeners() {
 247         getFabMkdir().setOnClickListener(new View.OnClickListener() {
 248             @Override
 249             public void onClick(View v) {
 250                 CreateFolderDialogFragment dialog =
 251                         CreateFolderDialogFragment.newInstance(mFile);
 252                 dialog.show(getActivity().getSupportFragmentManager(), FileDisplayActivity.DIALOG_CREATE_FOLDER);
 253                 getFabMain().collapse();
 254                 recordMiniFabClick();
 255             }
 256         });
 257
 258         getFabMkdir().setOnLongClickListener(new View.OnLongClickListener() {
 259             @Override
 260             public boolean onLongClick(View v) {
 261                 Toast.makeText(getActivity(), R.string.actionbar_mkdir, Toast.LENGTH_SHORT).show();
 262                 return true;
 263             }
 264         });
 265     }
 266
 267     /**
 268      * registers {@link android.view.View.OnClickListener} and {@link android.view.View.OnLongClickListener}
 269      * on the Upload from App mini FAB for the linked action and {@link Toast} showing the underlying action.
 270      */
 271     private void registerFabUploadFromAppListeners() {
 272         getFabUploadFromApp().setOnClickListener(new View.OnClickListener() {
 273             @Override
 274             public void onClick(View v) {
 275                 Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 276                 action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 277
 278                 //Intent.EXTRA_ALLOW_MULTIPLE is only supported on api level 18+, Jelly Bean
 279                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 280                     action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 281                 }
 282
 283                 getActivity().startActivityForResult(
 284                         Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 285                         UploadSourceDialogFragment.ACTION_SELECT_CONTENT_FROM_APPS
 286                 );
 287                 getFabMain().collapse();
 288                 recordMiniFabClick();
 289             }
 290         });
 291
 292         getFabUploadFromApp().setOnLongClickListener(new View.OnLongClickListener() {
 293             @Override
 294             public boolean onLongClick(View v) {
 295                 Toast.makeText(getActivity(),
 296                         R.string.actionbar_upload_from_apps,
 297                         Toast.LENGTH_SHORT).show();
 298                 return true;
 299             }
 300         });
 301     }
 302
 303     /**
 304      * records a click on a mini FAB and thus:
 305      * <ol>
 306      *     <li>persists the click fact</li>
 307      *     <li>removes the mini FAB labels</li>
 308      * </ol>
 309      */
 310     private void recordMiniFabClick() {
 311         // only record if it hasn't been done already at some other time
 312         if(!miniFabClicked) {
 313             final SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getActivity());
 314             sp.edit().putLong(KEY_FAB_EVER_CLICKED, 1).commit();
 315             miniFabClicked = true;
 316         }
 317     }
 318
 319     /**
 320      * removes the labels on all known min FABs.
 321      */
 322     private void removeFabLabels() {
 323         getFabUpload().setTitle(null);
 324         getFabMkdir().setTitle(null);
 325         getFabUploadFromApp().setTitle(null);
 326         ((TextView) getFabUpload().getTag(com.getbase.floatingactionbutton.R.id.fab_label)).setVisibility(View.GONE);
 327         ((TextView) getFabMkdir().getTag(com.getbase.floatingactionbutton.R.id.fab_label)).setVisibility(View.GONE);
 328         ((TextView) getFabUploadFromApp().getTag(com.getbase.floatingactionbutton.R.id.fab_label)).setVisibility(View.GONE);
 329     }
 330
 331     private void registerLongClickListener() {
 332         getListView().setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
 333             private Menu menu;
 334
 335             @Override
 336             public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
 337                 final int checkedCount = getListView().getCheckedItemCount();
 338                 // TODO Tobi extract to values
 339                 mode.setTitle(checkedCount + " selected");
 340
 341                 if (checked) {
 342                     mAdapter.setNewSelection(position, checked);
 343                 } else {
 344                     mAdapter.removeSelection(position);
 345                 }
 346
 347                 // TODO maybe change: only recreate menu if count changes
 348                 menu.clear();
 349                 if (checkedCount == 1) {
 350                     createContextMenu(menu);
 351                 } else {
 352                     // download, move, copy, delete
 353                     getActivity().getMenuInflater().inflate(R.menu.multiple_file_actions_menu, menu);
 354                 }
 355
 356             }
 357
 358             @Override
 359             public boolean onCreateActionMode(ActionMode mode, Menu menu) {
 360                 this.menu = menu;
 361                 return true;
 362             }
 363
 364             @Override
 365             public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
 366                 return false;
 367             }
 368
 369             @Override
 370             public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
 371                 return onFileActionChosen(item.getItemId());
 372             }
 373
 374             @Override
 375             public void onDestroyActionMode(ActionMode mode) {
 376                 mAdapter.removeSelection();
 377             }
 378         });
 379     }
 380
 381
 382     private void showFileAction(int fileIndex) {
 383         Bundle args = getArguments();
 384         PopupMenu pm = new PopupMenu(getActivity(),null);
 385         Menu menu = pm.getMenu();
 386
 387         boolean allowContextualActions =
 388                 (args == null) ? true : args.getBoolean(ARG_ALLOW_CONTEXTUAL_ACTIONS, true);
 389
 390         if (allowContextualActions) {
 391             MenuInflater inflater = getActivity().getMenuInflater();
 392
 393             inflater.inflate(R.menu.file_actions_menu, menu);
 394             OCFile targetFile = (OCFile) mAdapter.getItem(fileIndex);
 395
 396             if (mContainerActivity.getStorageManager() != null) {
 397                 FileMenuFilter mf = new FileMenuFilter(
 398                         targetFile,
 399                         mContainerActivity.getStorageManager().getAccount(),
 400                         mContainerActivity,
 401                         getActivity()
 402                 );
 403                 mf.filter(menu);
 404             }
 405
 406             /// TODO break this direct dependency on FileDisplayActivity... if possible
 407             MenuItem item = menu.findItem(R.id.action_open_file_with);
 408             FileFragment frag = ((FileDisplayActivity)getActivity()).getSecondFragment();
 409             if (frag != null && frag instanceof FileDetailFragment &&
 410                     frag.getFile().getFileId() == targetFile.getFileId()) {
 411                 item = menu.findItem(R.id.action_see_details);
 412                 if (item != null) {
 413                     item.setVisible(false);
 414                     item.setEnabled(false);
 415                 }
 416             }
 417
 418             FileActionsDialogFragment dialog = FileActionsDialogFragment.newInstance(menu,
 419                     fileIndex, targetFile.getFileName());
 420             dialog.setTargetFragment(this, 0);
 421             dialog.show(getFragmentManager(), FileActionsDialogFragment.FTAG_FILE_ACTIONS);
 422         }
 423     }
 424
 425     /**
 426      * Saves the current listed folder.
 427      */
 428     @Override
 429     public void onSaveInstanceState(Bundle outState) {
 430         super.onSaveInstanceState(outState);
 431         outState.putParcelable(KEY_FILE, mFile);
 432     }
 433
 434     /**
 435      * Call this, when the user presses the up button.
 436      * <p>
 437      *     Tries to move up the current folder one level. If the parent folder was removed from the
 438      *     database, it continues browsing up until finding an existing folders.
 439      * </p>
 440      * @return Count of folder levels browsed up.
 441      */
 442     public int onBrowseUp() {
 443         OCFile parentDir = null;
 444         int moveCount = 0;
 445
 446         if (mFile != null) {
 447             FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 448
 449             String parentPath = null;
 450             if (mFile.getParentId() != FileDataStorageManager.ROOT_PARENT_ID) {
 451                 parentPath = new File(mFile.getRemotePath()).getParent();
 452                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 453                         parentPath + OCFile.PATH_SEPARATOR;
 454                 parentDir = storageManager.getFileByPath(parentPath);
 455                 moveCount++;
 456             } else {
 457                 parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH);
 458             }
 459             while (parentDir == null) {
 460                 parentPath = new File(parentPath).getParent();
 461                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 462                         parentPath + OCFile.PATH_SEPARATOR;
 463                 parentDir = storageManager.getFileByPath(parentPath);
 464                 moveCount++;
 465             }   // exit is granted because storageManager.getFileByPath("/") never returns null
 466             mFile = parentDir;
 467
 468             listDirectory(mFile, MainApp.getOnlyOnDevice());
 469
 470             onRefresh(false);
 471
 472             // restore index and top position
 473             restoreIndexAndTopPosition();
 474
 475         }   // else - should never happen now
 476
 477         return moveCount;
 478     }
 479
 480     @Override
 481     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 482         OCFile file = (OCFile) mAdapter.getItem(position);
 483         if (file != null) {
 484             if (file.isFolder()) {
 485                 // update state and view of this fragment
 486                 listDirectory(file, MainApp.getOnlyOnDevice());
 487                 // then, notify parent activity to let it update its state and view
 488                 mContainerActivity.onBrowsedDownTo(file);
 489                 // save index and top position
 490                 saveIndexAndTopPosition(position);
 491
 492             } else { /// Click on a file
 493                 if (PreviewImageFragment.canBePreviewed(file)) {
 494                     // preview image - it handles the download, if needed
 495                     ((FileDisplayActivity)mContainerActivity).startImagePreview(file);
 496                 } else if (PreviewTextFragment.canBePreviewed(file)){
 497                     ((FileDisplayActivity)mContainerActivity).startTextPreview(file);
 498                 } else if (PreviewMediaFragment.canBePreviewed(file)) {
 499                         // media preview
 500                         ((FileDisplayActivity) mContainerActivity).startMediaPreview(file, 0, true);
 501                     } else if (file.isDown()) {
 502                         mContainerActivity.getFileOperationsHelper().openFile(file);
 503                 } else {
 504                     // automatic download, preview on finish
 505                     ((FileDisplayActivity) mContainerActivity).startDownloadForPreview(file);
 506                 }
 507             }
 508         } else {
 509             Log_OC.d(TAG, "Null object in ListAdapter!!");
 510         }
 511     }
 512
 513     /**
 514      * {@inheritDoc}
 515      */
 516     // TODO Tobi needed?
 517     public void createContextMenu(Menu menu) {
 518         Bundle args = getArguments();
 519         boolean allowContextualActions =
 520                 (args == null) ? true : args.getBoolean(ARG_ALLOW_CONTEXTUAL_ACTIONS, true);
 521         if (allowContextualActions) {
 522             MenuInflater inflater = getActivity().getMenuInflater();
 523             inflater.inflate(R.menu.file_actions_menu, menu);
 524             OCFile targetFile = null;
 525             if (mAdapter.getCheckedItems().size() == 1){
 526                 targetFile = mAdapter.getCheckedItems().get(0);
 527             }
 528
 529             if (mContainerActivity.getStorageManager() != null) {
 530                 FileMenuFilter mf = new FileMenuFilter(
 531                     targetFile,
 532                     mContainerActivity.getStorageManager().getAccount(),
 533                     mContainerActivity,
 534                     getActivity()
 535                 );
 536                 mf.filter(menu);
 537             }
 538
 539             /// TODO break this direct dependency on FileDisplayActivity... if possible
 540             MenuItem item = menu.findItem(R.id.action_open_file_with);
 541             FileFragment frag = ((FileDisplayActivity)getActivity()).getSecondFragment();
 542             if (frag != null && frag instanceof FileDetailFragment &&
 543                     frag.getFile().getFileId() == targetFile.getFileId()) {
 544                 item = menu.findItem(R.id.action_see_details);
 545                 if (item != null) {
 546                     item.setVisible(false);
 547                     item.setEnabled(false);
 548                 }
 549             }
 550
 551 //            String.format(mContext.getString(R.string.subject_token),
 552 //                    getClient().getCredentials().getUsername(), file.getFileName()));
 553         }
 554     }
 555
 556     public boolean onFileActionChosen(int menuId) {
 557         if (mAdapter.getCheckedItems().size() == 1){
 558             OCFile mTargetFile = mAdapter.getCheckedItems().get(0);
 559
 560             switch (menuId) {
 561                 case R.id.action_share_file: {
 562                     mContainerActivity.getFileOperationsHelper().shareFileWithLink(mTargetFile);
 563                     return true;
 564                 }
 565                 case R.id.action_open_file_with: {
 566                     mContainerActivity.getFileOperationsHelper().openFile(mTargetFile);
 567                     return true;
 568                 }
 569                 case R.id.action_unshare_file: {
 570                     mContainerActivity.getFileOperationsHelper().unshareFileWithLink(mTargetFile);
 571                     return true;
 572                 }
 573                 case R.id.action_rename_file: {
 574                     RenameFileDialogFragment dialog = RenameFileDialogFragment.newInstance(mTargetFile);
 575                     dialog.show(getFragmentManager(), FileDetailFragment.FTAG_RENAME_FILE);
 576                     return true;
 577                 }
 578                 case R.id.action_remove_file: {
 579                     RemoveFileDialogFragment dialog = RemoveFileDialogFragment.newInstance(mTargetFile);
 580                     dialog.show(getFragmentManager(), ConfirmationDialogFragment.FTAG_CONFIRMATION);
 581                     return true;
 582                 }
 583                 case R.id.action_download_file:
 584                 case R.id.action_sync_file: {
 585                     mContainerActivity.getFileOperationsHelper().syncFile(mTargetFile);
 586                     return true;
 587                 }
 588                 case R.id.action_cancel_sync: {
 589                     ((FileDisplayActivity) mContainerActivity).cancelTransference(mTargetFile);
 590                     return true;
 591                 }
 592                 case R.id.action_see_details: {
 593                     mContainerActivity.showDetails(mTargetFile);
 594                     return true;
 595                 }
 596                 case R.id.action_send_file: {
 597                     // Obtain the file
 598                     if (!mTargetFile.isDown()) {  // Download the file
 599                         Log_OC.d(TAG, mTargetFile.getRemotePath() + " : File must be downloaded");
 600                         ((FileDisplayActivity) mContainerActivity).startDownloadForSending(mTargetFile);
 601                         return true;
 602                     } else {
 603                         mContainerActivity.getFileOperationsHelper().sendDownloadedFile(mTargetFile);
 604                     }
 605                 }
 606                 case R.id.action_stream_file: {
 607                     Account account = ((FileActivity)mContainerActivity).getAccount();
 608                     Context context = MainApp.getAppContext();
 609                     String uri = PreviewMediaFragment.generateUrlWithCredentials(account, context, mTargetFile);
 610                     MediaService.streamWithExternalApp(uri, getActivity()).show();
 611                     return true;
 612                 }
 613                 case R.id.action_move: {
 614                     Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 615                     ArrayList files = new ArrayList();
 616                     files.add(mTargetFile);
 617                     action.putParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES, files);
 618                     getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_MOVE_FILES);
 619                     return true;
 620                 }
 621                 case R.id.action_favorite_file: {
 622                     mContainerActivity.getFileOperationsHelper().toggleFavorite(mTargetFile, true);
 623                     return true;
 624                 }
 625                 case R.id.action_unfavorite_file: {
 626                     mContainerActivity.getFileOperationsHelper().toggleFavorite(mTargetFile, false);
 627                     return true;
 628                 }
 629                 case R.id.action_copy:
 630                     Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 631
 632                     // Pass mTargetFile that contains info of selected file/folder
 633                     action.putExtra(FolderPickerActivity.EXTRA_FILE, mTargetFile);
 634                     getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_COPY_FILES);
 635                     return true;
 636                 default:
 637                     return false;
 638             }
 639         } else {
 640             ArrayList<OCFile> mTargetFiles = mAdapter.getCheckedItems();
 641
 642             switch (menuId) {
 643                 case R.id.action_remove_file: {
 644                     RemoveFilesDialogFragment dialog = RemoveFilesDialogFragment.newInstance(mTargetFiles);
 645                     dialog.show(getFragmentManager(), ConfirmationDialogFragment.FTAG_CONFIRMATION);
 646                     return true;
 647                 }
 648                 case R.id.action_download_file:
 649                 case R.id.action_sync_file: {
 650                     mContainerActivity.getFileOperationsHelper().syncFiles(mTargetFiles);
 651                     return true;
 652                 }
 653                 case R.id.action_move: {
 654                     Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 655                     action.putParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES, mTargetFiles);
 656                     getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_MOVE_FILES);
 657                     return true;
 658                 }
 659                 case R.id.action_favorite_file: {
 660                     mContainerActivity.getFileOperationsHelper().toggleFavorites(mTargetFiles, true);
 661                     return true;
 662                 }
 663                 case R.id.action_unfavorite_file: {
 664                     mContainerActivity.getFileOperationsHelper().toggleFavorites(mTargetFiles, false);
 665                     return true;
 666                 }
 667                 case R.id.action_copy:
 668                     Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 669                     action.putParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES, mTargetFiles);
 670                     getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_COPY_FILES);
 671                     return true;
 672                 default:
 673                     return false;
 674             }
 675         }
 676     }
 677
 678     /**
 679      * {@inhericDoc}
 680      */
 681     @Override
 682     public boolean onContextItemSelected (MenuItem item) {
 683         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 684         boolean matched = onFileActionChosen(item.getItemId())  ;
 685         if(!matched) {
 686             return super.onContextItemSelected(item);
 687         } else {
 688             return matched;
 689         }
 690     }
 691
 692
 693     /**
 694      * Use this to query the {@link OCFile} that is currently
 695      * being displayed by this fragment
 696      *
 697      * @return The currently viewed OCFile
 698      */
 699     public OCFile getCurrentFile() {
 700         return mFile;
 701     }
 702
 703     /**
 704      * Calls {@link OCFileListFragment#listDirectory(OCFile, boolean)} with a null parameter
 705      */
 706     public void listDirectory(boolean onlyOnDevice){
 707         listDirectory(null, onlyOnDevice);
 708     }
 709
 710     public void refreshDirectory(){
 711         listDirectory(getCurrentFile(), MainApp.getOnlyOnDevice());
 712     }
 713
 714     /**
 715      * Lists the given directory on the view. When the input parameter is null,
 716      * it will either refresh the last known directory. list the root
 717      * if there never was a directory.
 718      *
 719      * @param directory File to be listed
 720      */
 721     public void listDirectory(OCFile directory, boolean onlyOnDevice) {
 722         FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 723         if (storageManager != null) {
 724
 725             // Check input parameters for null
 726             if (directory == null) {
 727                 if (mFile != null) {
 728                     directory = mFile;
 729                 } else {
 730                     directory = storageManager.getFileByPath("/");
 731                     if (directory == null) return; // no files, wait for sync
 732                 }
 733             }
 734
 735
 736             // If that's not a directory -> List its parent
 737             if (!directory.isFolder()) {
 738                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 739                 directory = storageManager.getFileById(directory.getParentId());
 740             }
 741
 742             mAdapter.swapDirectory(directory, storageManager, onlyOnDevice);
 743             if (mFile == null || !mFile.equals(directory)) {
 744                 mCurrentListView.setSelection(0);
 745             }
 746             mFile = directory;
 747
 748             updateLayout();
 749
 750         }
 751     }
 752
 753     private void updateLayout() {
 754         if (!mJustFolders) {
 755             int filesCount = 0, foldersCount = 0, imagesCount = 0;
 756             int count = mAdapter.getCount();
 757             OCFile file;
 758             for (int i=0; i < count ; i++) {
 759                 file = (OCFile) mAdapter.getItem(i);
 760                 if (file.isFolder()) {
 761                     foldersCount++;
 762                 } else {
 763                     if (!file.isHidden()) {
 764                         filesCount++;
 765
 766                         if (file.isImage() || file.isVideo()) {
 767                             imagesCount++;
 768                         }
 769                     }
 770                 }
 771             }
 772             // set footer text
 773             setFooterText(generateFooterText(filesCount, foldersCount));
 774
 775             // decide grid vs list view
 776             OwnCloudVersion version = AccountUtils.getServerVersion(
 777                     ((FileActivity)mContainerActivity).getAccount());
 778             if (version != null && version.supportsRemoteThumbnails() &&
 779                     DisplayUtils.isGridView(mFile, mContainerActivity.getStorageManager())) {
 780                 switchToGridView();
 781                 registerLongClickListener();
 782             } else {
 783                 switchToListView();
 784 //                switchToGridView();
 785             }
 786         }
 787     }
 788
 789     private String generateFooterText(int filesCount, int foldersCount) {
 790         String output;
 791         if (filesCount <= 0) {
 792             if (foldersCount <= 0) {
 793                 output = "";
 794
 795             } else if (foldersCount == 1) {
 796                 output = getResources().getString(R.string.file_list__footer__folder);
 797
 798             } else { // foldersCount > 1
 799                 output = getResources().getString(R.string.file_list__footer__folders, foldersCount);
 800             }
 801
 802         } else if (filesCount == 1) {
 803             if (foldersCount <= 0) {
 804                 output = getResources().getString(R.string.file_list__footer__file);
 805
 806             } else if (foldersCount == 1) {
 807                 output = getResources().getString(R.string.file_list__footer__file_and_folder);
 808
 809             } else { // foldersCount > 1
 810                 output = getResources().getString(R.string.file_list__footer__file_and_folders, foldersCount);
 811             }
 812         } else {    // filesCount > 1
 813             if (foldersCount <= 0) {
 814                 output = getResources().getString(R.string.file_list__footer__files, filesCount);
 815
 816             } else if (foldersCount == 1) {
 817                 output = getResources().getString(R.string.file_list__footer__files_and_folder, filesCount);
 818
 819             } else { // foldersCount > 1
 820                 output = getResources().getString(
 821                         R.string.file_list__footer__files_and_folders, filesCount, foldersCount
 822                 );
 823
 824             }
 825         }
 826         return output;
 827     }
 828
 829     public void sortByName(boolean descending) {
 830         mAdapter.setSortOrder(FileStorageUtils.SORT_NAME, descending);
 831     }
 832
 833     public void sortByDate(boolean descending) {
 834         mAdapter.setSortOrder(FileStorageUtils.SORT_DATE, descending);
 835     }
 836
 837     public void sortBySize(boolean descending) {
 838         mAdapter.setSortOrder(FileStorageUtils.SORT_SIZE, descending);
 839     }
 840 }