src/com/owncloud/android/ui/activity/FileDisplayActivity.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
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22 import java.io.IOException;
  23
  24 import org.apache.commons.httpclient.methods.PostMethod;
  25
  26 import android.accounts.Account;
  27 import android.accounts.AccountManager;
  28 import android.accounts.AuthenticatorException;
  29 import android.accounts.OperationCanceledException;
  30 import android.app.AlertDialog;
  31 import android.app.Dialog;
  32 import android.app.ProgressDialog;
  33 import android.content.BroadcastReceiver;
  34 import android.content.ComponentName;
  35 import android.content.ContentResolver;
  36 import android.content.Context;
  37 import android.content.DialogInterface;
  38 import android.content.Intent;
  39 import android.content.IntentFilter;
  40 import android.content.ServiceConnection;
  41 import android.content.SharedPreferences;
  42 import android.content.SyncRequest;
  43 import android.content.res.Resources.NotFoundException;
  44 import android.database.Cursor;
  45 import android.net.Uri;
  46 import android.os.Bundle;
  47 import android.os.IBinder;
  48 import android.preference.PreferenceManager;
  49 import android.provider.MediaStore;
  50 import android.support.v4.app.Fragment;
  51 import android.support.v4.app.FragmentManager;
  52 import android.support.v4.app.FragmentTransaction;
  53 import android.support.v4.widget.SwipeRefreshLayout;
  54 import android.util.Log;
  55 import android.view.View;
  56 import android.view.ViewGroup;
  57 import android.widget.ArrayAdapter;
  58 import android.widget.TextView;
  59 import android.widget.Toast;
  60
  61 import com.actionbarsherlock.app.ActionBar;
  62 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  63 import com.actionbarsherlock.view.Menu;
  64 import com.actionbarsherlock.view.MenuInflater;
  65 import com.actionbarsherlock.view.MenuItem;
  66 import com.actionbarsherlock.view.Window;
  67 import com.owncloud.android.MainApp;
  68 import com.owncloud.android.R;
  69 import com.owncloud.android.datamodel.OCFile;
  70 import com.owncloud.android.files.services.FileDownloader;
  71 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  72 import com.owncloud.android.files.services.FileUploader;
  73 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  74 import com.owncloud.android.lib.common.OwnCloudAccount;
  75 import com.owncloud.android.lib.common.OwnCloudClient;
  76 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  77 import com.owncloud.android.lib.common.OwnCloudCredentials;
  78 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  79 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  80 import com.owncloud.android.lib.common.operations.RemoteOperation;
  81 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  82 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  83 import com.owncloud.android.operations.CreateFolderOperation;
  84 import com.owncloud.android.operations.CreateShareOperation;
  85 import com.owncloud.android.operations.MoveFileOperation;
  86 import com.owncloud.android.operations.RemoveFileOperation;
  87 import com.owncloud.android.operations.RenameFileOperation;
  88 import com.owncloud.android.operations.SynchronizeFileOperation;
  89 import com.owncloud.android.operations.SynchronizeFolderOperation;
  90 import com.owncloud.android.operations.UnshareLinkOperation;
  91 import com.owncloud.android.services.observer.FileObserverService;
  92 import com.owncloud.android.syncadapter.FileSyncAdapter;
  93 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  94 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  95 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  96 import com.owncloud.android.ui.fragment.FileDetailFragment;
  97 import com.owncloud.android.ui.fragment.FileFragment;
  98 import com.owncloud.android.ui.fragment.OCFileListFragment;
  99 import com.owncloud.android.ui.preview.PreviewImageActivity;
 100 import com.owncloud.android.ui.preview.PreviewImageFragment;
 101 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 102 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 103 import com.owncloud.android.utils.DisplayUtils;
 104 import com.owncloud.android.utils.ErrorMessageAdapter;
 105 import com.owncloud.android.utils.Log_OC;
 106
 107
 108 /**
 109  * Displays, what files the user has available in his ownCloud.
 110  *
 111  * @author Bartek Przybylski
 112  * @author David A. Velasco
 113  */
 114
 115 public class FileDisplayActivity extends HookActivity implements
 116 FileFragment.ContainerActivity, OnNavigationListener,
 117 OnSslUntrustedCertListener, SwipeRefreshLayout.OnRefreshListener {
 118
 119     private ArrayAdapter<String> mDirectories;
 120
 121     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 122     private UploadFinishReceiver mUploadFinishReceiver;
 123     private DownloadFinishReceiver mDownloadFinishReceiver;
 124     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 125
 126     private boolean mDualPane;
 127     private View mLeftFragmentContainer;
 128     private View mRightFragmentContainer;
 129
 130     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 131     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 132     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 133
 134     public static final int DIALOG_SHORT_WAIT = 0;
 135     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 136     private static final int DIALOG_CERT_NOT_SAVED = 2;
 137
 138     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 139
 140     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 141     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 142     public static final int ACTION_MOVE_FILES = 3;
 143
 144     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 145
 146     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 147     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 148
 149     private OCFile mWaitingToPreview;
 150
 151     private boolean mSyncInProgress = false;
 152
 153     private String DIALOG_UNTRUSTED_CERT;
 154
 155     private OCFile mWaitingToSend;
 156
 157     private Integer sortItemChecked = 0;
 158
 159     @Override
 160     protected void onCreate(Bundle savedInstanceState) {
 161         Log_OC.d(TAG, "onCreate() start");
 162         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 163
 164         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 165
 166         // PIN CODE request ;  best location is to decide, let's try this first
 167         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 168             requestPinCode();
 169         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 170             requestPinCode();
 171         }
 172
 173         /// grant that FileObserverService is watching favourite files
 174         if (savedInstanceState == null) {
 175             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 176             startService(initObserversIntent);
 177         }
 178
 179         /// Load of saved instance state
 180         if(savedInstanceState != null) {
 181             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 182             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 183             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 184
 185         } else {
 186             mWaitingToPreview = null;
 187             mSyncInProgress = false;
 188             mWaitingToSend = null;
 189         }
 190
 191         /// USER INTERFACE
 192
 193         // Inflate and set the layout view
 194         setContentView(R.layout.files);
 195         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 196         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 197         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 198         if (savedInstanceState == null) {
 199             createMinFragments();
 200         }
 201
 202         // Action bar setup
 203         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 204         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 205         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 206
 207         setBackgroundText();
 208
 209         Log_OC.d(TAG, "onCreate() end");
 210     }
 211
 212     @Override
 213     protected void onStart() {
 214         super.onStart();
 215         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 216     }
 217
 218     @Override
 219     protected void onDestroy() {
 220         super.onDestroy();
 221     }
 222
 223     /**
 224      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 225      */
 226     @Override
 227     protected void onAccountSet(boolean stateWasRecovered) {
 228         super.onAccountSet(stateWasRecovered);
 229         if (getAccount() != null) {
 230             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 231             OCFile file = getFile();
 232             // get parent from path
 233             String parentPath = "";
 234             if (file != null) {
 235                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 236                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 237                     // get parent from path
 238                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 239                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 240                         file = null; // not able to know the directory where the file is uploading
 241                 } else {
 242                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 243                 }
 244             }
 245             if (file == null) {
 246                 // fall back to root folder
 247                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 248             }
 249             setFile(file);
 250             setNavigationListWithFolder(file);
 251
 252             if (!stateWasRecovered) {
 253                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 254                 initFragmentsWithFile();
 255                 if (file.isFolder()) {
 256                     startSyncFolderOperation(file);
 257                 }
 258
 259             } else {
 260                 updateFragmentsVisibility(!file.isFolder());
 261                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 262             }
 263         }
 264     }
 265
 266
 267     private void setNavigationListWithFolder(OCFile file) {
 268         mDirectories.clear();
 269         OCFile fileIt = file;
 270         String parentPath;
 271         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 272             if (fileIt.isFolder()) {
 273                 mDirectories.add(fileIt.getFileName());
 274             }
 275             // get parent from path
 276             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 277             fileIt = getStorageManager().getFileByPath(parentPath);
 278         }
 279         mDirectories.add(OCFile.PATH_SEPARATOR);
 280     }
 281
 282
 283     private void createMinFragments() {
 284         OCFileListFragment listOfFiles = new OCFileListFragment();
 285         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 286         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 287         transaction.commit();
 288     }
 289
 290     private void initFragmentsWithFile() {
 291         if (getAccount() != null && getFile() != null) {
 292             /// First fragment
 293             OCFileListFragment listOfFiles = getListOfFilesFragment();
 294             if (listOfFiles != null) {
 295                 listOfFiles.listDirectory(getCurrentDir());
 296             } else {
 297                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 298             }
 299
 300             /// Second fragment
 301             OCFile file = getFile();
 302             Fragment secondFragment = chooseInitialSecondFragment(file);
 303             if (secondFragment != null) {
 304                 setSecondFragment(secondFragment);
 305                 updateFragmentsVisibility(true);
 306                 updateNavigationElementsInActionBar(file);
 307
 308             } else {
 309                 cleanSecondFragment();
 310             }
 311
 312         } else {
 313             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 314             if (getAccount() == null) {
 315                 Log.wtf(TAG, "\t account is NULL");
 316             }
 317             if (getFile() == null) {
 318                 Log.wtf(TAG, "\t file is NULL");
 319             }
 320         }
 321     }
 322
 323     private Fragment chooseInitialSecondFragment(OCFile file) {
 324         Fragment secondFragment = null;
 325         if (file != null && !file.isFolder()) {
 326             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 327                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 328                     ) {
 329                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 330                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 331                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 332
 333             } else {
 334                 secondFragment = new FileDetailFragment(file, getAccount());
 335             }
 336         }
 337         return secondFragment;
 338     }
 339
 340
 341     /**
 342      * Replaces the second fragment managed by the activity with the received as
 343      * a parameter.
 344      *
 345      * Assumes never will be more than two fragments managed at the same time.
 346      *
 347      * @param fragment      New second Fragment to set.
 348      */
 349     private void setSecondFragment(Fragment fragment) {
 350         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 351         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 352         transaction.commit();
 353     }
 354
 355
 356     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 357         if (mDualPane) {
 358             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 359                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 360             }
 361             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 362                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 363             }
 364
 365         } else if (existsSecondFragment) {
 366             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 367                 mLeftFragmentContainer.setVisibility(View.GONE);
 368             }
 369             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 370                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 371             }
 372
 373         } else {
 374             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 375                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 376             }
 377             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 378                 mRightFragmentContainer.setVisibility(View.GONE);
 379             }
 380         }
 381     }
 382
 383
 384     private OCFileListFragment getListOfFilesFragment() {
 385         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 386         if (listOfFiles != null) {
 387             return (OCFileListFragment)listOfFiles;
 388         }
 389         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 390         return null;
 391     }
 392
 393     public FileFragment getSecondFragment() {
 394         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 395         if (second != null) {
 396             return (FileFragment)second;
 397         }
 398         return null;
 399     }
 400
 401     protected void cleanSecondFragment() {
 402         Fragment second = getSecondFragment();
 403         if (second != null) {
 404             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 405             tr.remove(second);
 406             tr.commit();
 407         }
 408         updateFragmentsVisibility(false);
 409         updateNavigationElementsInActionBar(null);
 410     }
 411
 412     protected void refreshListOfFilesFragment() {
 413         OCFileListFragment fileListFragment = getListOfFilesFragment();
 414         if (fileListFragment != null) {
 415             fileListFragment.listDirectory();
 416         }
 417     }
 418
 419     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 420         FileFragment secondFragment = getSecondFragment();
 421         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 422         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 423             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 424             OCFile fileInFragment = detailsFragment.getFile();
 425             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 426                 // the user browsed to other file ; forget the automatic preview
 427                 mWaitingToPreview = null;
 428
 429             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 430                 // grant that the right panel updates the progress bar
 431                 detailsFragment.listenForTransferProgress();
 432                 detailsFragment.updateFileDetails(true, false);
 433
 434             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 435                 //  update the right panel
 436                 boolean detailsFragmentChanged = false;
 437                 if (waitedPreview) {
 438                     if (success) {
 439                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 440                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 441                             startMediaPreview(mWaitingToPreview, 0, true);
 442                             detailsFragmentChanged = true;
 443                         } else {
 444                             getFileOperationsHelper().openFile(mWaitingToPreview);
 445                         }
 446                     }
 447                     mWaitingToPreview = null;
 448                 }
 449                 if (!detailsFragmentChanged) {
 450                     detailsFragment.updateFileDetails(false, (success));
 451                 }
 452             }
 453         }
 454     }
 455
 456     @Override
 457     public boolean onCreateOptionsMenu(Menu menu) {
 458         MenuInflater inflater = getSherlock().getMenuInflater();
 459         inflater.inflate(R.menu.main_menu, menu);
 460         return true;
 461     }
 462
 463     @Override
 464     public boolean onOptionsItemSelected(MenuItem item) {
 465         boolean retval = true;
 466         switch (item.getItemId()) {
 467         case R.id.action_create_dir: {
 468             CreateFolderDialogFragment dialog =
 469                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 470             dialog.show(getSupportFragmentManager(), "createdirdialog");
 471             break;
 472         }
 473         case R.id.action_sync_account: {
 474             startSynchronization();
 475             break;
 476         }
 477         case R.id.action_upload: {
 478             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 479             break;
 480         }
 481         case R.id.action_settings: {
 482             Intent settingsIntent = new Intent(this, Preferences.class);
 483             startActivity(settingsIntent);
 484             break;
 485         }
 486         case android.R.id.home: {
 487             FileFragment second = getSecondFragment();
 488             OCFile currentDir = getCurrentDir();
 489             if((currentDir != null && currentDir.getParentId() != 0) ||
 490                     (second != null && second.getFile() != null)) {
 491                 onBackPressed();
 492
 493             }
 494             break;
 495         }
 496         case R.id.action_sort: {
 497             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 498             builder.setTitle(R.string.actionbar_sort_title)
 499             .setSingleChoiceItems(R.array.actionbar_sortby, sortItemChecked , new DialogInterface.OnClickListener() {
 500                 public void onClick(DialogInterface dialog, int which) {
 501                     sortItemChecked = which;
 502
 503                     switch (which){
 504                     case 0:
 505                         sortByName(true);
 506                         break;
 507                     case 1:
 508                         sortByDate(false);
 509                         break;
 510                     case 2:
 511                         sortBySize(false);
 512                         break;
 513                     }
 514
 515                     dialog.dismiss();
 516
 517                 }
 518             });
 519             builder.create().show();
 520             break;
 521         }
 522         default:
 523             retval = super.onOptionsItemSelected(item);
 524         }
 525         return retval;
 526     }
 527
 528     private void startSynchronization() {
 529         Log_OC.e(TAG, "Got to start sync");
 530         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 531             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 532             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 533             Bundle bundle = new Bundle();
 534             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 535             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 536             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 537             ContentResolver.requestSync(
 538                     getAccount(),
 539                     MainApp.getAuthority(), bundle);
 540         } else {
 541             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 542             SyncRequest.Builder builder = new SyncRequest.Builder();
 543             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 544             builder.setExpedited(true);
 545             builder.setManual(true);
 546             builder.syncOnce();
 547             SyncRequest request = builder.build();
 548             ContentResolver.requestSync(request);
 549         }
 550     }
 551
 552
 553     @Override
 554     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 555         if (itemPosition != 0) {
 556             String targetPath = "";
 557             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 558                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 559             }
 560             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 561             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 562             if (targetFolder != null) {
 563                 browseTo(targetFolder);
 564             }
 565
 566             // the next operation triggers a new call to this method, but it's necessary to
 567             // ensure that the name exposed in the action bar is the current directory when the
 568             // user selected it in the navigation list
 569             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 570                 getSupportActionBar().setSelectedNavigationItem(0);
 571         }
 572         return true;
 573     }
 574
 575     /**
 576      * Called, when the user selected something for uploading
 577      */
 578     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 579         super.onActivityResult(requestCode, resultCode, data);
 580
 581         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 582             requestSimpleUpload(data, resultCode);
 583
 584         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 585             requestMultipleUpload(data, resultCode);
 586
 587         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 588                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)){
 589
 590             final Intent fData = data;
 591             final int fResultCode = resultCode;
 592             getHandler().postDelayed(
 593                 new Runnable() {
 594                     @Override
 595                     public void run() {
 596                         requestMoveOperation(fData, fResultCode);
 597                     }
 598                 },
 599                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 600             );
 601         }
 602     }
 603
 604     private void requestMultipleUpload(Intent data, int resultCode) {
 605         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 606         if (filePaths != null) {
 607             String[] remotePaths = new String[filePaths.length];
 608             String remotePathBase = "";
 609             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 610                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 611             }
 612             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 613                 remotePathBase += OCFile.PATH_SEPARATOR;
 614             for (int j = 0; j< remotePaths.length; j++) {
 615                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 616             }
 617
 618             Intent i = new Intent(this, FileUploader.class);
 619             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 620             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 621             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 622             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 623             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 624                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 625             startService(i);
 626
 627         } else {
 628             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 629             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 630             t.show();
 631             return;
 632         }
 633     }
 634
 635
 636     private void requestSimpleUpload(Intent data, int resultCode) {
 637         String filepath = null;
 638         try {
 639             Uri selectedImageUri = data.getData();
 640
 641             String filemanagerstring = selectedImageUri.getPath();
 642             String selectedImagePath = getPath(selectedImageUri);
 643
 644             if (selectedImagePath != null)
 645                 filepath = selectedImagePath;
 646             else
 647                 filepath = filemanagerstring;
 648
 649         } catch (Exception e) {
 650             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 651             e.printStackTrace();
 652
 653         } finally {
 654             if (filepath == null) {
 655                 Log_OC.e(TAG, "Couldnt resolve path to file");
 656                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 657                 t.show();
 658                 return;
 659             }
 660         }
 661
 662         Intent i = new Intent(this, FileUploader.class);
 663         i.putExtra(FileUploader.KEY_ACCOUNT,
 664                 getAccount());
 665         String remotepath = new String();
 666         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 667             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 668         }
 669         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 670             remotepath += OCFile.PATH_SEPARATOR;
 671         remotepath += new File(filepath).getName();
 672
 673         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 674         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 675         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 676         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 677             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 678         startService(i);
 679     }
 680
 681     /**
 682      * Request the operation for moving the file/folder from one path to another
 683      *
 684      * @param data              Intent received
 685      * @param resultCode        Result code received
 686      */
 687     private void requestMoveOperation(Intent data, int resultCode) {
 688         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 689         OCFile targetFile = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_TARGET_FILE);
 690         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 691     }
 692
 693     @Override
 694     public void onBackPressed() {
 695         OCFileListFragment listOfFiles = getListOfFilesFragment();
 696         if (mDualPane || getSecondFragment() == null) {
 697             if (listOfFiles != null) {  // should never be null, indeed
 698                 if (mDirectories.getCount() <= 1) {
 699                     finish();
 700                     return;
 701                 }
 702                 int levelsUp = listOfFiles.onBrowseUp();
 703                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 704                     popDirname();
 705                 }
 706             }
 707         }
 708         if (listOfFiles != null) {  // should never be null, indeed
 709             setFile(listOfFiles.getCurrentFile());
 710         }
 711         cleanSecondFragment();
 712
 713     }
 714
 715     @Override
 716     protected void onSaveInstanceState(Bundle outState) {
 717         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 718         Log_OC.e(TAG, "onSaveInstanceState() start");
 719         super.onSaveInstanceState(outState);
 720         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 721         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 722         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 723         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 724
 725         Log_OC.d(TAG, "onSaveInstanceState() end");
 726     }
 727
 728
 729
 730     @Override
 731     protected void onResume() {
 732         super.onResume();
 733         Log_OC.e(TAG, "onResume() start");
 734
 735         // refresh list of files
 736         refreshListOfFilesFragment();
 737
 738         // Listen for sync messages
 739         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 740         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 741         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 742         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 743         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 744         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 745         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 746         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 747
 748         // Listen for upload messages
 749         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 750         mUploadFinishReceiver = new UploadFinishReceiver();
 751         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 752
 753         // Listen for download messages
 754         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 755         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 756         mDownloadFinishReceiver = new DownloadFinishReceiver();
 757         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 758
 759         Log_OC.d(TAG, "onResume() end");
 760     }
 761
 762
 763     @Override
 764     protected void onPause() {
 765         Log_OC.e(TAG, "onPause() start");
 766         if (mSyncBroadcastReceiver != null) {
 767             unregisterReceiver(mSyncBroadcastReceiver);
 768             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 769             mSyncBroadcastReceiver = null;
 770         }
 771         if (mUploadFinishReceiver != null) {
 772             unregisterReceiver(mUploadFinishReceiver);
 773             mUploadFinishReceiver = null;
 774         }
 775         if (mDownloadFinishReceiver != null) {
 776             unregisterReceiver(mDownloadFinishReceiver);
 777             mDownloadFinishReceiver = null;
 778         }
 779
 780
 781         Log_OC.d(TAG, "onPause() end");
 782         super.onPause();
 783     }
 784
 785
 786     @Override
 787     protected Dialog onCreateDialog(int id) {
 788         Dialog dialog = null;
 789         AlertDialog.Builder builder;
 790         switch (id) {
 791         case DIALOG_SHORT_WAIT: {
 792             ProgressDialog working_dialog = new ProgressDialog(this);
 793             working_dialog.setMessage(getResources().getString(
 794                     R.string.wait_a_moment));
 795             working_dialog.setIndeterminate(true);
 796             working_dialog.setCancelable(false);
 797             dialog = working_dialog;
 798             break;
 799         }
 800         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 801
 802
 803             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 804                     getString(R.string.actionbar_upload_from_apps) };
 805
 806             builder = new AlertDialog.Builder(this);
 807             builder.setTitle(R.string.actionbar_upload);
 808             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 809                 public void onClick(DialogInterface dialog, int item) {
 810                     if (item == 0) {
 811                         // if (!mDualPane) {
 812                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 813                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 814                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 815                             // } else {
 816                             // TODO create and handle new fragment
 817                             // LocalFileListFragment
 818                             // }
 819                     } else if (item == 1) {
 820                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 821                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 822                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 823                                 ACTION_SELECT_CONTENT_FROM_APPS);
 824                     }
 825                 }
 826             });
 827             dialog = builder.create();
 828             break;
 829         }
 830         case DIALOG_CERT_NOT_SAVED: {
 831             builder = new AlertDialog.Builder(this);
 832             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 833             builder.setCancelable(false);
 834             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 835                 @Override
 836                 public void onClick(DialogInterface dialog, int which) {
 837                     dialog.dismiss();
 838                 };
 839             });
 840             dialog = builder.create();
 841             break;
 842         }
 843         default:
 844             dialog = null;
 845         }
 846
 847         return dialog;
 848     }
 849
 850
 851     /**
 852      * Translates a content URI of an image to a physical path
 853      * on the disk
 854      * @param uri The URI to resolve
 855      * @return The path to the image or null if it could not be found
 856      */
 857     public String getPath(Uri uri) {
 858         String[] projection = { MediaStore.Images.Media.DATA };
 859         Cursor cursor = managedQuery(uri, projection, null, null, null);
 860         if (cursor != null) {
 861             int column_index = cursor
 862                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 863             cursor.moveToFirst();
 864             return cursor.getString(column_index);
 865         }
 866         return null;
 867     }
 868
 869     /**
 870      * Pushes a directory to the drop down list
 871      * @param directory to push
 872      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 873      */
 874     public void pushDirname(OCFile directory) {
 875         if(!directory.isFolder()){
 876             throw new IllegalArgumentException("Only directories may be pushed!");
 877         }
 878         mDirectories.insert(directory.getFileName(), 0);
 879         setFile(directory);
 880     }
 881
 882     /**
 883      * Pops a directory name from the drop down list
 884      * @return True, unless the stack is empty
 885      */
 886     public boolean popDirname() {
 887         mDirectories.remove(mDirectories.getItem(0));
 888         return !mDirectories.isEmpty();
 889     }
 890
 891     // Custom array adapter to override text colors
 892     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 893
 894         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 895             super(ctx, view);
 896         }
 897
 898         public View getView(int position, View convertView, ViewGroup parent) {
 899             View v = super.getView(position, convertView, parent);
 900
 901             ((TextView) v).setTextColor(getResources().getColorStateList(
 902                     android.R.color.white));
 903
 904             fixRoot((TextView) v );
 905             return v;
 906         }
 907
 908         public View getDropDownView(int position, View convertView,
 909                 ViewGroup parent) {
 910             View v = super.getDropDownView(position, convertView, parent);
 911
 912             ((TextView) v).setTextColor(getResources().getColorStateList(
 913                     android.R.color.white));
 914
 915             fixRoot((TextView) v );
 916             return v;
 917         }
 918
 919         private void fixRoot(TextView v) {
 920             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 921                 v.setText(R.string.default_display_name_for_root_folder);
 922             }
 923         }
 924
 925     }
 926
 927     private class SyncBroadcastReceiver extends BroadcastReceiver {
 928
 929         /**
 930          * {@link BroadcastReceiver} to enable syncing feedback in UI
 931          */
 932         @Override
 933         public void onReceive(Context context, Intent intent) {
 934             try {
 935                 String event = intent.getAction();
 936                 Log_OC.d(TAG, "Received broadcast " + event);
 937                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 938                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 939                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 940                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 941
 942                 if (sameAccount) {
 943
 944                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 945                         mSyncInProgress = true;
 946
 947                     } else {
 948                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 949                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 950
 951                         if (currentDir == null) {
 952                             // current folder was removed from the server
 953                             Toast.makeText( FileDisplayActivity.this,
 954                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 955                                             Toast.LENGTH_LONG)
 956                                 .show();
 957                             browseToRoot();
 958
 959                         } else {
 960                             if (currentFile == null && !getFile().isFolder()) {
 961                                 // currently selected file was removed in the server, and now we know it
 962                                 cleanSecondFragment();
 963                                 currentFile = currentDir;
 964                             }
 965
 966                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 967                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 968                                 if (fileListFragment != null) {
 969                                     fileListFragment.listDirectory(currentDir);
 970                                 }
 971                             }
 972                             setFile(currentFile);
 973                         }
 974
 975                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 976
 977                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 978                                     equals(event) &&
 979                                 /// TODO refactor and make common
 980                                 synchResult != null && !synchResult.isSuccess() &&
 981                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 982                                     synchResult.isIdPRedirection()                  ||
 983                                     (synchResult.isException() && synchResult.getException()
 984                                             instanceof AuthenticatorException))) {
 985
 986                             OwnCloudClient client = null;
 987                             try {
 988                                 OwnCloudAccount ocAccount =
 989                                         new OwnCloudAccount(getAccount(), context);
 990                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 991                                         removeClientFor(ocAccount));
 992                                 // TODO get rid of these exceptions
 993                             } catch (AccountNotFoundException e) {
 994                                 e.printStackTrace();
 995                             } catch (AuthenticatorException e) {
 996                                 e.printStackTrace();
 997                             } catch (OperationCanceledException e) {
 998                                 e.printStackTrace();
 999                             } catch (IOException e) {
1000                                 e.printStackTrace();
1001                             }
1002
1003                             if (client != null) {
1004                                 OwnCloudCredentials cred = client.getCredentials();
1005                                 if (cred != null) {
1006                                     AccountManager am = AccountManager.get(context);
1007                                     if (cred.authTokenExpires()) {
1008                                         am.invalidateAuthToken(
1009                                                 getAccount().type,
1010                                                 cred.getAuthToken()
1011                                         );
1012                                     } else {
1013                                         am.clearPassword(getAccount());
1014                                     }
1015                                 }
1016                             }
1017
1018                             requestCredentialsUpdate();
1019
1020                         }
1021                     }
1022                     removeStickyBroadcast(intent);
1023                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1024                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1025
1026                     setBackgroundText();
1027
1028                 }
1029
1030                 if (synchResult != null) {
1031                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1032                         mLastSslUntrustedServerResult = synchResult;
1033                     }
1034                 }
1035             } catch (RuntimeException e) {
1036                 // avoid app crashes after changing the serial id of RemoteOperationResult
1037                 // in owncloud library with broadcast notifications pending to process
1038                 removeStickyBroadcast(intent);
1039             }
1040         }
1041     }
1042
1043     /**
1044      * Show a text message on screen view for notifying user if content is
1045      * loading or folder is empty
1046      */
1047     private void setBackgroundText() {
1048         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1049         if (ocFileListFragment != null) {
1050             int message = R.string.file_list_loading;
1051             if (!mSyncInProgress) {
1052                 // In case file list is empty
1053                 message = R.string.file_list_empty;
1054             }
1055             ocFileListFragment.setMessageForEmptyList(getString(message));
1056         } else {
1057             Log.e(TAG, "OCFileListFragment is null");
1058         }
1059     }
1060
1061     /**
1062      * Once the file upload has finished -> update view
1063      */
1064     private class UploadFinishReceiver extends BroadcastReceiver {
1065         /**
1066          * Once the file upload has finished -> update view
1067          *  @author David A. Velasco
1068          * {@link BroadcastReceiver} to enable upload feedback in UI
1069          */
1070         @Override
1071         public void onReceive(Context context, Intent intent) {
1072             try {
1073                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1074                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1075                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1076                 OCFile currentDir = getCurrentDir();
1077                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1078                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1079
1080                 if (sameAccount && isDescendant) {
1081                     refreshListOfFilesFragment();
1082                 }
1083
1084                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1085                 boolean renamedInUpload = getFile().getRemotePath().
1086                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1087                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1088                         renamedInUpload;
1089                 FileFragment details = getSecondFragment();
1090                 boolean detailFragmentIsShown = (details != null &&
1091                         details instanceof FileDetailFragment);
1092
1093                 if (sameAccount && sameFile && detailFragmentIsShown) {
1094                     if (uploadWasFine) {
1095                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1096                     }
1097                     if (renamedInUpload) {
1098                         String newName = (new File(uploadedRemotePath)).getName();
1099                         Toast msg = Toast.makeText(
1100                                 context,
1101                                 String.format(
1102                                         getString(R.string.filedetails_renamed_in_upload_msg),
1103                                         newName),
1104                                 Toast.LENGTH_LONG);
1105                         msg.show();
1106                     }
1107                     if (uploadWasFine || getFile().fileExists()) {
1108                         ((FileDetailFragment)details).updateFileDetails(false, true);
1109                     } else {
1110                         cleanSecondFragment();
1111                     }
1112
1113                     // Force the preview if the file is an image
1114                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1115                         startImagePreview(getFile());
1116                     } // TODO what about other kind of previews?
1117                 }
1118
1119             } finally {
1120                 if (intent != null) {
1121                     removeStickyBroadcast(intent);
1122                 }
1123             }
1124
1125         }
1126
1127     }
1128
1129
1130     /**
1131      * Class waiting for broadcast events from the {@link FielDownloader} service.
1132      *
1133      * Updates the UI when a download is started or finished, provided that it is relevant for the
1134      * current folder.
1135      */
1136     private class DownloadFinishReceiver extends BroadcastReceiver {
1137         @Override
1138         public void onReceive(Context context, Intent intent) {
1139             try {
1140                 boolean sameAccount = isSameAccount(context, intent);
1141                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1142                 boolean isDescendant = isDescendant(downloadedRemotePath);
1143
1144                 if (sameAccount && isDescendant) {
1145                     refreshListOfFilesFragment();
1146                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1147                 }
1148
1149                 if (mWaitingToSend != null) {
1150                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1151                     if (mWaitingToSend.isDown()) {
1152                         sendDownloadedFile();
1153                     }
1154                 }
1155
1156             } finally {
1157                 if (intent != null) {
1158                     removeStickyBroadcast(intent);
1159                 }
1160             }
1161         }
1162
1163         private boolean isDescendant(String downloadedRemotePath) {
1164             OCFile currentDir = getCurrentDir();
1165             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1166         }
1167
1168         private boolean isSameAccount(Context context, Intent intent) {
1169             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1170             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1171         }
1172     }
1173
1174
1175     public void browseToRoot() {
1176         OCFileListFragment listOfFiles = getListOfFilesFragment();
1177         if (listOfFiles != null) {  // should never be null, indeed
1178             while (mDirectories.getCount() > 1) {
1179                 popDirname();
1180             }
1181             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1182             listOfFiles.listDirectory(root);
1183             setFile(listOfFiles.getCurrentFile());
1184             startSyncFolderOperation(root);
1185         }
1186         cleanSecondFragment();
1187     }
1188
1189
1190     public void browseTo(OCFile folder) {
1191         if (folder == null || !folder.isFolder()) {
1192             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1193         }
1194         OCFileListFragment listOfFiles = getListOfFilesFragment();
1195         if (listOfFiles != null) {
1196             setNavigationListWithFolder(folder);
1197             listOfFiles.listDirectory(folder);
1198             setFile(listOfFiles.getCurrentFile());
1199             startSyncFolderOperation(folder);
1200         } else {
1201             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1202         }
1203         cleanSecondFragment();
1204     }
1205
1206
1207     /**
1208      * {@inheritDoc}
1209      *
1210      * Updates action bar and second fragment, if in dual pane mode.
1211      */
1212     @Override
1213     public void onBrowsedDownTo(OCFile directory) {
1214         pushDirname(directory);
1215         cleanSecondFragment();
1216
1217         // Sync Folder
1218         startSyncFolderOperation(directory);
1219
1220     }
1221
1222     /**
1223      * Shows the information of the {@link OCFile} received as a
1224      * parameter in the second fragment.
1225      *
1226      * @param file          {@link OCFile} whose details will be shown
1227      */
1228     @Override
1229     public void showDetails(OCFile file) {
1230         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1231         setSecondFragment(detailFragment);
1232         updateFragmentsVisibility(true);
1233         updateNavigationElementsInActionBar(file);
1234         setFile(file);
1235     }
1236
1237
1238     /**
1239      * TODO
1240      */
1241     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1242         ActionBar actionBar = getSupportActionBar();
1243         if (chosenFile == null || mDualPane) {
1244             // only list of files - set for browsing through folders
1245             OCFile currentDir = getCurrentDir();
1246             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1247             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1248             actionBar.setDisplayShowTitleEnabled(!noRoot);
1249             if (!noRoot) {
1250                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1251             }
1252             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1253             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1254
1255         } else {
1256             actionBar.setDisplayHomeAsUpEnabled(true);
1257             actionBar.setDisplayShowTitleEnabled(true);
1258             actionBar.setTitle(chosenFile.getFileName());
1259             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1260         }
1261     }
1262
1263
1264     @Override
1265     protected ServiceConnection newTransferenceServiceConnection() {
1266         return new ListServiceConnection();
1267     }
1268
1269     /** Defines callbacks for service binding, passed to bindService() */
1270     private class ListServiceConnection implements ServiceConnection {
1271
1272         @Override
1273         public void onServiceConnected(ComponentName component, IBinder service) {
1274             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1275                 Log_OC.d(TAG, "Download service connected");
1276                 mDownloaderBinder = (FileDownloaderBinder) service;
1277                 if (mWaitingToPreview != null)
1278                     if (getStorageManager() != null) {
1279                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1280                         if (!mWaitingToPreview.isDown()) {
1281                             requestForDownload();
1282                         }
1283                 }
1284
1285             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1286                 Log_OC.d(TAG, "Upload service connected");
1287                 mUploaderBinder = (FileUploaderBinder) service;
1288             } else {
1289                 return;
1290             }
1291             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1292             OCFileListFragment listOfFiles = getListOfFilesFragment();
1293             if (listOfFiles != null) {
1294                 listOfFiles.listDirectory();
1295             }
1296             FileFragment secondFragment = getSecondFragment();
1297             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1298                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1299                 detailFragment.listenForTransferProgress();
1300                 detailFragment.updateFileDetails(false, false);
1301             }
1302         }
1303
1304         @Override
1305         public void onServiceDisconnected(ComponentName component) {
1306             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1307                 Log_OC.d(TAG, "Download service disconnected");
1308                 mDownloaderBinder = null;
1309             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1310                 Log_OC.d(TAG, "Upload service disconnected");
1311                 mUploaderBinder = null;
1312             }
1313         }
1314     };
1315
1316
1317
1318     /**
1319      * Launch an intent to request the PIN code to the user before letting him use the app
1320      */
1321     private void requestPinCode() {
1322         boolean pinStart = false;
1323         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1324         pinStart = appPrefs.getBoolean("set_pincode", false);
1325         if (pinStart) {
1326             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1327             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1328             startActivity(i);
1329         }
1330     }
1331
1332
1333     @Override
1334     public void onSavedCertificate() {
1335         startSyncFolderOperation(getCurrentDir());
1336     }
1337
1338
1339     @Override
1340     public void onFailedSavingCertificate() {
1341         showDialog(DIALOG_CERT_NOT_SAVED);
1342     }
1343
1344     @Override
1345     public void onCancelCertificate() {
1346         // nothing to do
1347     }
1348
1349     /**
1350      * Updates the view associated to the activity after the finish of some operation over files
1351      * in the current account.
1352      *
1353      * @param operation     Removal operation performed.
1354      * @param result        Result of the removal.
1355      */
1356     @Override
1357     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1358         super.onRemoteOperationFinish(operation, result);
1359
1360         if (operation instanceof RemoveFileOperation) {
1361             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1362
1363         } else if (operation instanceof RenameFileOperation) {
1364             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1365
1366         } else if (operation instanceof SynchronizeFileOperation) {
1367             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1368
1369         } else if (operation instanceof CreateFolderOperation) {
1370             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1371
1372         } else if (operation instanceof CreateShareOperation) {
1373             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1374
1375         } else if (operation instanceof UnshareLinkOperation) {
1376             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1377
1378         } else if (operation instanceof MoveFileOperation) {
1379             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1380         }
1381
1382     }
1383
1384
1385     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1386         if (result.isSuccess()) {
1387             refreshShowDetails();
1388             refreshListOfFilesFragment();
1389         }
1390     }
1391
1392
1393     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1394         if (result.isSuccess()) {
1395             refreshShowDetails();
1396             refreshListOfFilesFragment();
1397
1398         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1399             cleanSecondFragment();
1400             refreshListOfFilesFragment();
1401         }
1402     }
1403
1404     private void refreshShowDetails() {
1405         FileFragment details = getSecondFragment();
1406         if (details != null) {
1407             OCFile file = details.getFile();
1408             if (file != null) {
1409                 file = getStorageManager().getFileByPath(file.getRemotePath());
1410                 if (details instanceof PreviewMediaFragment) {
1411                     // Refresh  OCFile of the fragment
1412                     ((PreviewMediaFragment) details).updateFile(file);
1413                 } else {
1414                     showDetails(file);
1415                 }
1416             }
1417             invalidateOptionsMenu();
1418         }
1419     }
1420
1421     /**
1422      * Updates the view associated to the activity after the finish of an operation trying to remove a
1423      * file.
1424      *
1425      * @param operation     Removal operation performed.
1426      * @param result        Result of the removal.
1427      */
1428     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1429         dismissLoadingDialog();
1430
1431         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1432                 Toast.LENGTH_LONG);
1433         msg.show();
1434
1435         if (result.isSuccess()) {
1436             OCFile removedFile = operation.getFile();
1437             FileFragment second = getSecondFragment();
1438             if (second != null && removedFile.equals(second.getFile())) {
1439                 if (second instanceof PreviewMediaFragment) {
1440                     ((PreviewMediaFragment)second).stopPreview(true);
1441                 }
1442                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1443                 cleanSecondFragment();
1444             }
1445             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1446                 refreshListOfFilesFragment();
1447             }
1448             invalidateOptionsMenu();
1449         } else {
1450             if (result.isSslRecoverableException()) {
1451                 mLastSslUntrustedServerResult = result;
1452                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1453             }
1454         }
1455     }
1456
1457
1458     /**
1459      * Updates the view associated to the activity after the finish of an operation trying to move a
1460      * file.
1461      *
1462      * @param operation     Move operation performed.
1463      * @param result        Result of the move operation.
1464      */
1465     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1466         if (result.isSuccess()) {
1467             dismissLoadingDialog();
1468             refreshListOfFilesFragment();
1469         } else {
1470             dismissLoadingDialog();
1471             try {
1472                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1473                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1474                         Toast.LENGTH_LONG);
1475                 msg.show();
1476
1477             } catch (NotFoundException e) {
1478                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1479             }
1480         }
1481     }
1482
1483
1484     /**
1485      * Updates the view associated to the activity after the finish of an operation trying to rename a
1486      * file.
1487      *
1488      * @param operation     Renaming operation performed.
1489      * @param result        Result of the renaming.
1490      */
1491     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1492         dismissLoadingDialog();
1493         OCFile renamedFile = operation.getFile();
1494         if (result.isSuccess()) {
1495             FileFragment details = getSecondFragment();
1496             if (details != null) {
1497                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1498                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1499                     showDetails(renamedFile);
1500
1501                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1502                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1503                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1504                         int position = ((PreviewMediaFragment)details).getPosition();
1505                         startMediaPreview(renamedFile, position, true);
1506                     } else {
1507                         getFileOperationsHelper().openFile(renamedFile);
1508                     }
1509                 }
1510             }
1511
1512             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1513                 refreshListOfFilesFragment();
1514             }
1515
1516         } else {
1517             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1518                     Toast.LENGTH_LONG);
1519             msg.show();
1520
1521             if (result.isSslRecoverableException()) {
1522                 mLastSslUntrustedServerResult = result;
1523                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1524             }
1525         }
1526     }
1527
1528     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1529         dismissLoadingDialog();
1530         OCFile syncedFile = operation.getLocalFile();
1531         if (!result.isSuccess()) {
1532             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1533                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1534                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1535                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1536                 startActivity(i);
1537
1538             }
1539
1540         } else {
1541             if (operation.transferWasRequested()) {
1542                 onTransferStateChanged(syncedFile, true, true);
1543
1544             } else {
1545                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1546                         Toast.LENGTH_LONG);
1547                 msg.show();
1548             }
1549         }
1550     }
1551
1552     /**
1553      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1554      *
1555      * @param operation     Creation operation performed.
1556      * @param result        Result of the creation.
1557      */
1558     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1559         if (result.isSuccess()) {
1560             dismissLoadingDialog();
1561             refreshListOfFilesFragment();
1562         } else {
1563             dismissLoadingDialog();
1564             try {
1565                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1566                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1567                         Toast.LENGTH_LONG);
1568                 msg.show();
1569
1570             } catch (NotFoundException e) {
1571                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1572             }
1573         }
1574     }
1575
1576
1577     /**
1578      * {@inheritDoc}
1579      */
1580     @Override
1581     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1582         refreshListOfFilesFragment();
1583         FileFragment details = getSecondFragment();
1584         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1585             if (downloading || uploading) {
1586                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1587             } else {
1588                 if (!file.fileExists()) {
1589                     cleanSecondFragment();
1590                 } else {
1591                     ((FileDetailFragment)details).updateFileDetails(false, true);
1592                 }
1593             }
1594         }
1595
1596     }
1597
1598
1599     private void requestForDownload() {
1600         Account account = getAccount();
1601         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1602             Intent i = new Intent(this, FileDownloader.class);
1603             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1604             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1605             startService(i);
1606         }
1607     }
1608
1609
1610     private OCFile getCurrentDir() {
1611         OCFile file = getFile();
1612         if (file != null) {
1613             if (file.isFolder()) {
1614                 return file;
1615             } else if (getStorageManager() != null) {
1616                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1617                 return getStorageManager().getFileByPath(parentPath);
1618             }
1619         }
1620         return null;
1621     }
1622
1623     public void startSyncFolderOperation(OCFile folder) {
1624         long currentSyncTime = System.currentTimeMillis();
1625
1626         mSyncInProgress = true;
1627
1628         // perform folder synchronization
1629         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1630                                                                         currentSyncTime,
1631                                                                         false,
1632                                                                         getFileOperationsHelper().isSharedSupported(),
1633                                                                         getStorageManager(),
1634                                                                         getAccount(),
1635                                                                         getApplicationContext()
1636                                                                       );
1637         synchFolderOp.execute(getAccount(), this, null, null);
1638
1639         setSupportProgressBarIndeterminateVisibility(true);
1640
1641         setBackgroundText();
1642     }
1643
1644     /**
1645      * Show untrusted cert dialog
1646      */
1647     public void showUntrustedCertDialog(RemoteOperationResult result) {
1648         // Show a dialog with the certificate info
1649         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1650         FragmentManager fm = getSupportFragmentManager();
1651         FragmentTransaction ft = fm.beginTransaction();
1652         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1653     }
1654
1655     private void requestForDownload(OCFile file) {
1656         Account account = getAccount();
1657         if (!mDownloaderBinder.isDownloading(account, file)) {
1658             Intent i = new Intent(this, FileDownloader.class);
1659             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1660             i.putExtra(FileDownloader.EXTRA_FILE, file);
1661             startService(i);
1662         }
1663     }
1664
1665     private void sendDownloadedFile(){
1666         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1667         mWaitingToSend = null;
1668     }
1669
1670
1671     /**
1672      * Requests the download of the received {@link OCFile} , updates the UI
1673      * to monitor the download progress and prepares the activity to send the file
1674      * when the download finishes.
1675      *
1676      * @param file          {@link OCFile} to download and preview.
1677      */
1678     public void startDownloadForSending(OCFile file) {
1679         mWaitingToSend = file;
1680         requestForDownload(mWaitingToSend);
1681         boolean hasSecondFragment = (getSecondFragment()!= null);
1682         updateFragmentsVisibility(hasSecondFragment);
1683     }
1684
1685     /**
1686      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1687      *
1688      * @param file                      Image {@link OCFile} to show.
1689      */
1690     public void startImagePreview(OCFile file) {
1691         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1692         showDetailsIntent.putExtra(EXTRA_FILE, file);
1693         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1694         startActivity(showDetailsIntent);
1695
1696     }
1697
1698     /**
1699      * Stars the preview of an already down media {@link OCFile}.
1700      *
1701      * @param file                      Media {@link OCFile} to preview.
1702      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1703      * @param autoplay                  When 'true', the playback will start without user interactions.
1704      */
1705     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1706         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1707         setSecondFragment(mediaFragment);
1708         updateFragmentsVisibility(true);
1709         updateNavigationElementsInActionBar(file);
1710         setFile(file);
1711     }
1712
1713     /**
1714      * Requests the download of the received {@link OCFile} , updates the UI
1715      * to monitor the download progress and prepares the activity to preview
1716      * or open the file when the download finishes.
1717      *
1718      * @param file          {@link OCFile} to download and preview.
1719      */
1720     public void startDownloadForPreview(OCFile file) {
1721         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1722         setSecondFragment(detailFragment);
1723         mWaitingToPreview = file;
1724         requestForDownload();
1725         updateFragmentsVisibility(true);
1726         updateNavigationElementsInActionBar(file);
1727         setFile(file);
1728     }
1729
1730
1731     public void cancelTransference(OCFile file) {
1732         getFileOperationsHelper().cancelTransference(file);
1733         if (mWaitingToPreview != null &&
1734                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1735             mWaitingToPreview = null;
1736         }
1737         if (mWaitingToSend != null &&
1738                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1739             mWaitingToSend = null;
1740         }
1741         onTransferStateChanged(file, false, false);
1742     }
1743
1744     @Override
1745     public void onRefresh() {
1746         OCFileListFragment listOfFiles = getListOfFilesFragment();
1747         if (listOfFiles != null) {
1748             OCFile folder = listOfFiles.getCurrentFile();
1749             if (folder != null) {
1750                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1751                 listDirectory(mFile);*/
1752                 startSyncFolderOperation(folder);
1753             }
1754         }
1755     }
1756
1757     private void sortByDate(boolean ascending){
1758         getListOfFilesFragment().sortByDate(ascending);
1759     }
1760
1761     private void sortBySize(boolean ascending){
1762         getListOfFilesFragment().sortBySize(ascending);
1763     }
1764
1765     private void sortByName(boolean ascending){
1766         getListOfFilesFragment().sortByName(ascending);
1767     }
1768
1769 }