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     @Override
 158     protected void onCreate(Bundle savedInstanceState) {
 159         Log_OC.d(TAG, "onCreate() start");
 160         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 161
 162         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 163
 164         // PIN CODE request ;  best location is to decide, let's try this first
 165         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 166             requestPinCode();
 167         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 168             requestPinCode();
 169         }
 170
 171         /// grant that FileObserverService is watching favourite files
 172         if (savedInstanceState == null) {
 173             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 174             startService(initObserversIntent);
 175         }
 176
 177         /// Load of saved instance state
 178         if(savedInstanceState != null) {
 179             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 180             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 181             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 182
 183         } else {
 184             mWaitingToPreview = null;
 185             mSyncInProgress = false;
 186             mWaitingToSend = null;
 187         }
 188
 189         /// USER INTERFACE
 190
 191         // Inflate and set the layout view
 192         setContentView(R.layout.files);
 193         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 194         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 195         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 196         if (savedInstanceState == null) {
 197             createMinFragments();
 198         }
 199
 200         // Action bar setup
 201         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 202         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 203         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 204
 205         setBackgroundText();
 206
 207         Log_OC.d(TAG, "onCreate() end");
 208     }
 209
 210     @Override
 211     protected void onStart() {
 212         super.onStart();
 213         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 214     }
 215
 216     @Override
 217     protected void onDestroy() {
 218         super.onDestroy();
 219     }
 220
 221     /**
 222      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 223      */
 224     @Override
 225     protected void onAccountSet(boolean stateWasRecovered) {
 226         super.onAccountSet(stateWasRecovered);
 227         if (getAccount() != null) {
 228             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 229             OCFile file = getFile();
 230             // get parent from path
 231             String parentPath = "";
 232             if (file != null) {
 233                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 234                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 235                     // get parent from path
 236                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 237                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 238                         file = null; // not able to know the directory where the file is uploading
 239                 } else {
 240                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 241                 }
 242             }
 243             if (file == null) {
 244                 // fall back to root folder
 245                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 246             }
 247             setFile(file);
 248             setNavigationListWithFolder(file);
 249
 250             if (!stateWasRecovered) {
 251                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 252                 initFragmentsWithFile();
 253                 if (file.isFolder()) {
 254                     startSyncFolderOperation(file);
 255                 }
 256
 257             } else {
 258                 updateFragmentsVisibility(!file.isFolder());
 259                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 260             }
 261         }
 262     }
 263
 264
 265     private void setNavigationListWithFolder(OCFile file) {
 266         mDirectories.clear();
 267         OCFile fileIt = file;
 268         String parentPath;
 269         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 270             if (fileIt.isFolder()) {
 271                 mDirectories.add(fileIt.getFileName());
 272             }
 273             // get parent from path
 274             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 275             fileIt = getStorageManager().getFileByPath(parentPath);
 276         }
 277         mDirectories.add(OCFile.PATH_SEPARATOR);
 278     }
 279
 280
 281     private void createMinFragments() {
 282         OCFileListFragment listOfFiles = new OCFileListFragment();
 283         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 284         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 285         transaction.commit();
 286     }
 287
 288     private void initFragmentsWithFile() {
 289         if (getAccount() != null && getFile() != null) {
 290             /// First fragment
 291             OCFileListFragment listOfFiles = getListOfFilesFragment();
 292             if (listOfFiles != null) {
 293                 listOfFiles.listDirectory(getCurrentDir());
 294             } else {
 295                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 296             }
 297
 298             /// Second fragment
 299             OCFile file = getFile();
 300             Fragment secondFragment = chooseInitialSecondFragment(file);
 301             if (secondFragment != null) {
 302                 setSecondFragment(secondFragment);
 303                 updateFragmentsVisibility(true);
 304                 updateNavigationElementsInActionBar(file);
 305
 306             } else {
 307                 cleanSecondFragment();
 308             }
 309
 310         } else {
 311             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 312             if (getAccount() == null) {
 313                 Log.wtf(TAG, "\t account is NULL");
 314             }
 315             if (getFile() == null) {
 316                 Log.wtf(TAG, "\t file is NULL");
 317             }
 318         }
 319     }
 320
 321     private Fragment chooseInitialSecondFragment(OCFile file) {
 322         Fragment secondFragment = null;
 323         if (file != null && !file.isFolder()) {
 324             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 325                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 326                     ) {
 327                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 328                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 329                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 330
 331             } else {
 332                 secondFragment = new FileDetailFragment(file, getAccount());
 333             }
 334         }
 335         return secondFragment;
 336     }
 337
 338
 339     /**
 340      * Replaces the second fragment managed by the activity with the received as
 341      * a parameter.
 342      *
 343      * Assumes never will be more than two fragments managed at the same time.
 344      *
 345      * @param fragment      New second Fragment to set.
 346      */
 347     private void setSecondFragment(Fragment fragment) {
 348         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 349         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 350         transaction.commit();
 351     }
 352
 353
 354     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 355         if (mDualPane) {
 356             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 357                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 358             }
 359             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 360                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 361             }
 362
 363         } else if (existsSecondFragment) {
 364             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 365                 mLeftFragmentContainer.setVisibility(View.GONE);
 366             }
 367             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 368                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 369             }
 370
 371         } else {
 372             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 373                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 374             }
 375             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 376                 mRightFragmentContainer.setVisibility(View.GONE);
 377             }
 378         }
 379     }
 380
 381
 382     private OCFileListFragment getListOfFilesFragment() {
 383         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 384         if (listOfFiles != null) {
 385             return (OCFileListFragment)listOfFiles;
 386         }
 387         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 388         return null;
 389     }
 390
 391     public FileFragment getSecondFragment() {
 392         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 393         if (second != null) {
 394             return (FileFragment)second;
 395         }
 396         return null;
 397     }
 398
 399     protected void cleanSecondFragment() {
 400         Fragment second = getSecondFragment();
 401         if (second != null) {
 402             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 403             tr.remove(second);
 404             tr.commit();
 405         }
 406         updateFragmentsVisibility(false);
 407         updateNavigationElementsInActionBar(null);
 408     }
 409
 410     protected void refreshListOfFilesFragment() {
 411         OCFileListFragment fileListFragment = getListOfFilesFragment();
 412         if (fileListFragment != null) {
 413             fileListFragment.listDirectory();
 414         }
 415     }
 416
 417     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 418         FileFragment secondFragment = getSecondFragment();
 419         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 420         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 421             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 422             OCFile fileInFragment = detailsFragment.getFile();
 423             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 424                 // the user browsed to other file ; forget the automatic preview
 425                 mWaitingToPreview = null;
 426
 427             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 428                 // grant that the right panel updates the progress bar
 429                 detailsFragment.listenForTransferProgress();
 430                 detailsFragment.updateFileDetails(true, false);
 431
 432             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 433                 //  update the right panel
 434                 boolean detailsFragmentChanged = false;
 435                 if (waitedPreview) {
 436                     if (success) {
 437                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 438                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 439                             startMediaPreview(mWaitingToPreview, 0, true);
 440                             detailsFragmentChanged = true;
 441                         } else {
 442                             getFileOperationsHelper().openFile(mWaitingToPreview);
 443                         }
 444                     }
 445                     mWaitingToPreview = null;
 446                 }
 447                 if (!detailsFragmentChanged) {
 448                     detailsFragment.updateFileDetails(false, (success));
 449                 }
 450             }
 451         }
 452     }
 453
 454     @Override
 455     public boolean onCreateOptionsMenu(Menu menu) {
 456         MenuInflater inflater = getSherlock().getMenuInflater();
 457         inflater.inflate(R.menu.main_menu, menu);
 458         return true;
 459     }
 460
 461     @Override
 462     public boolean onOptionsItemSelected(MenuItem item) {
 463         boolean retval = true;
 464         switch (item.getItemId()) {
 465         case R.id.action_create_dir: {
 466             CreateFolderDialogFragment dialog =
 467                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 468             dialog.show(getSupportFragmentManager(), "createdirdialog");
 469             break;
 470         }
 471         case R.id.action_sync_account: {
 472             startSynchronization();
 473             break;
 474         }
 475         case R.id.action_upload: {
 476             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 477             break;
 478         }
 479         case R.id.action_settings: {
 480             Intent settingsIntent = new Intent(this, Preferences.class);
 481             startActivity(settingsIntent);
 482             break;
 483         }
 484         case android.R.id.home: {
 485             FileFragment second = getSecondFragment();
 486             OCFile currentDir = getCurrentDir();
 487             if((currentDir != null && currentDir.getParentId() != 0) ||
 488                     (second != null && second.getFile() != null)) {
 489                 onBackPressed();
 490
 491             }
 492             break;
 493         }
 494         case R.id.action_sort: {
 495             SharedPreferences appPreferences = PreferenceManager
 496                     .getDefaultSharedPreferences(getApplicationContext());
 497
 498             // Read sorting order, default to sort by name ascending
 499             Integer sortOrder = appPreferences
 500                     .getInt("sortOrder", 0);
 501
 502             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 503             builder.setTitle(R.string.actionbar_sort_title)
 504             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 505                 public void onClick(DialogInterface dialog, int which) {
 506
 507                     switch (which){
 508                     case 0:
 509                         sortByName(true);
 510                         break;
 511                     case 1:
 512                         sortByDate(false);
 513                         break;
 514                     case 2:
 515                         sortBySize(false);
 516                         break;
 517                     }
 518
 519                     dialog.dismiss();
 520
 521                 }
 522             });
 523             builder.create().show();
 524             break;
 525         }
 526         default:
 527             retval = super.onOptionsItemSelected(item);
 528         }
 529         return retval;
 530     }
 531
 532     private void startSynchronization() {
 533         Log_OC.e(TAG, "Got to start sync");
 534         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 535             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 536             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 537             Bundle bundle = new Bundle();
 538             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 539             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 540             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 541             ContentResolver.requestSync(
 542                     getAccount(),
 543                     MainApp.getAuthority(), bundle);
 544         } else {
 545             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 546             SyncRequest.Builder builder = new SyncRequest.Builder();
 547             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 548             builder.setExpedited(true);
 549             builder.setManual(true);
 550             builder.syncOnce();
 551             SyncRequest request = builder.build();
 552             ContentResolver.requestSync(request);
 553         }
 554     }
 555
 556
 557     @Override
 558     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 559         if (itemPosition != 0) {
 560             String targetPath = "";
 561             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 562                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 563             }
 564             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 565             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 566             if (targetFolder != null) {
 567                 browseTo(targetFolder);
 568             }
 569
 570             // the next operation triggers a new call to this method, but it's necessary to
 571             // ensure that the name exposed in the action bar is the current directory when the
 572             // user selected it in the navigation list
 573             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 574                 getSupportActionBar().setSelectedNavigationItem(0);
 575         }
 576         return true;
 577     }
 578
 579     /**
 580      * Called, when the user selected something for uploading
 581      */
 582     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 583         super.onActivityResult(requestCode, resultCode, data);
 584
 585         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 586             requestSimpleUpload(data, resultCode);
 587
 588         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 589             requestMultipleUpload(data, resultCode);
 590
 591         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 592                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)){
 593
 594             final Intent fData = data;
 595             final int fResultCode = resultCode;
 596             getHandler().postDelayed(
 597                 new Runnable() {
 598                     @Override
 599                     public void run() {
 600                         requestMoveOperation(fData, fResultCode);
 601                     }
 602                 },
 603                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 604             );
 605         }
 606     }
 607
 608     private void requestMultipleUpload(Intent data, int resultCode) {
 609         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 610         if (filePaths != null) {
 611             String[] remotePaths = new String[filePaths.length];
 612             String remotePathBase = "";
 613             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 614                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 615             }
 616             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 617                 remotePathBase += OCFile.PATH_SEPARATOR;
 618             for (int j = 0; j< remotePaths.length; j++) {
 619                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 620             }
 621
 622             Intent i = new Intent(this, FileUploader.class);
 623             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 624             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 625             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 626             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 627             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 628                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 629             startService(i);
 630
 631         } else {
 632             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 633             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 634             t.show();
 635             return;
 636         }
 637     }
 638
 639
 640     private void requestSimpleUpload(Intent data, int resultCode) {
 641         String filepath = null;
 642         try {
 643             Uri selectedImageUri = data.getData();
 644
 645             String filemanagerstring = selectedImageUri.getPath();
 646             String selectedImagePath = getPath(selectedImageUri);
 647
 648             if (selectedImagePath != null)
 649                 filepath = selectedImagePath;
 650             else
 651                 filepath = filemanagerstring;
 652
 653         } catch (Exception e) {
 654             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 655             e.printStackTrace();
 656
 657         } finally {
 658             if (filepath == null) {
 659                 Log_OC.e(TAG, "Couldnt resolve path to file");
 660                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 661                 t.show();
 662                 return;
 663             }
 664         }
 665
 666         Intent i = new Intent(this, FileUploader.class);
 667         i.putExtra(FileUploader.KEY_ACCOUNT,
 668                 getAccount());
 669         String remotepath = new String();
 670         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 671             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 672         }
 673         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 674             remotepath += OCFile.PATH_SEPARATOR;
 675         remotepath += new File(filepath).getName();
 676
 677         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 678         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 679         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 680         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 681             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 682         startService(i);
 683     }
 684
 685     /**
 686      * Request the operation for moving the file/folder from one path to another
 687      *
 688      * @param data              Intent received
 689      * @param resultCode        Result code received
 690      */
 691     private void requestMoveOperation(Intent data, int resultCode) {
 692         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 693         OCFile targetFile = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_TARGET_FILE);
 694         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 695     }
 696
 697     @Override
 698     public void onBackPressed() {
 699         OCFileListFragment listOfFiles = getListOfFilesFragment();
 700         if (mDualPane || getSecondFragment() == null) {
 701             if (listOfFiles != null) {  // should never be null, indeed
 702                 if (mDirectories.getCount() <= 1) {
 703                     finish();
 704                     return;
 705                 }
 706                 int levelsUp = listOfFiles.onBrowseUp();
 707                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 708                     popDirname();
 709                 }
 710             }
 711         }
 712         if (listOfFiles != null) {  // should never be null, indeed
 713             setFile(listOfFiles.getCurrentFile());
 714         }
 715         cleanSecondFragment();
 716
 717     }
 718
 719     @Override
 720     protected void onSaveInstanceState(Bundle outState) {
 721         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 722         Log_OC.e(TAG, "onSaveInstanceState() start");
 723         super.onSaveInstanceState(outState);
 724         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 725         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 726         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 727         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 728
 729         Log_OC.d(TAG, "onSaveInstanceState() end");
 730     }
 731
 732
 733
 734     @Override
 735     protected void onResume() {
 736         super.onResume();
 737         Log_OC.e(TAG, "onResume() start");
 738
 739         // refresh list of files
 740         refreshListOfFilesFragment();
 741
 742         // Listen for sync messages
 743         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 744         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 745         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 746         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 747         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 748         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 749         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 750         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 751
 752         // Listen for upload messages
 753         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 754         mUploadFinishReceiver = new UploadFinishReceiver();
 755         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 756
 757         // Listen for download messages
 758         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 759         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 760         mDownloadFinishReceiver = new DownloadFinishReceiver();
 761         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 762
 763         Log_OC.d(TAG, "onResume() end");
 764     }
 765
 766
 767     @Override
 768     protected void onPause() {
 769         Log_OC.e(TAG, "onPause() start");
 770         if (mSyncBroadcastReceiver != null) {
 771             unregisterReceiver(mSyncBroadcastReceiver);
 772             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 773             mSyncBroadcastReceiver = null;
 774         }
 775         if (mUploadFinishReceiver != null) {
 776             unregisterReceiver(mUploadFinishReceiver);
 777             mUploadFinishReceiver = null;
 778         }
 779         if (mDownloadFinishReceiver != null) {
 780             unregisterReceiver(mDownloadFinishReceiver);
 781             mDownloadFinishReceiver = null;
 782         }
 783
 784
 785         Log_OC.d(TAG, "onPause() end");
 786         super.onPause();
 787     }
 788
 789
 790     @Override
 791     protected Dialog onCreateDialog(int id) {
 792         Dialog dialog = null;
 793         AlertDialog.Builder builder;
 794         switch (id) {
 795         case DIALOG_SHORT_WAIT: {
 796             ProgressDialog working_dialog = new ProgressDialog(this);
 797             working_dialog.setMessage(getResources().getString(
 798                     R.string.wait_a_moment));
 799             working_dialog.setIndeterminate(true);
 800             working_dialog.setCancelable(false);
 801             dialog = working_dialog;
 802             break;
 803         }
 804         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 805
 806
 807             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 808                     getString(R.string.actionbar_upload_from_apps) };
 809
 810             builder = new AlertDialog.Builder(this);
 811             builder.setTitle(R.string.actionbar_upload);
 812             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 813                 public void onClick(DialogInterface dialog, int item) {
 814                     if (item == 0) {
 815                         // if (!mDualPane) {
 816                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 817                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 818                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 819                             // } else {
 820                             // TODO create and handle new fragment
 821                             // LocalFileListFragment
 822                             // }
 823                     } else if (item == 1) {
 824                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 825                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 826                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 827                                 ACTION_SELECT_CONTENT_FROM_APPS);
 828                     }
 829                 }
 830             });
 831             dialog = builder.create();
 832             break;
 833         }
 834         case DIALOG_CERT_NOT_SAVED: {
 835             builder = new AlertDialog.Builder(this);
 836             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 837             builder.setCancelable(false);
 838             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 839                 @Override
 840                 public void onClick(DialogInterface dialog, int which) {
 841                     dialog.dismiss();
 842                 };
 843             });
 844             dialog = builder.create();
 845             break;
 846         }
 847         default:
 848             dialog = null;
 849         }
 850
 851         return dialog;
 852     }
 853
 854
 855     /**
 856      * Translates a content URI of an image to a physical path
 857      * on the disk
 858      * @param uri The URI to resolve
 859      * @return The path to the image or null if it could not be found
 860      */
 861     public String getPath(Uri uri) {
 862         String[] projection = { MediaStore.Images.Media.DATA };
 863         Cursor cursor = managedQuery(uri, projection, null, null, null);
 864         if (cursor != null) {
 865             int column_index = cursor
 866                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 867             cursor.moveToFirst();
 868             return cursor.getString(column_index);
 869         }
 870         return null;
 871     }
 872
 873     /**
 874      * Pushes a directory to the drop down list
 875      * @param directory to push
 876      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 877      */
 878     public void pushDirname(OCFile directory) {
 879         if(!directory.isFolder()){
 880             throw new IllegalArgumentException("Only directories may be pushed!");
 881         }
 882         mDirectories.insert(directory.getFileName(), 0);
 883         setFile(directory);
 884     }
 885
 886     /**
 887      * Pops a directory name from the drop down list
 888      * @return True, unless the stack is empty
 889      */
 890     public boolean popDirname() {
 891         mDirectories.remove(mDirectories.getItem(0));
 892         return !mDirectories.isEmpty();
 893     }
 894
 895     // Custom array adapter to override text colors
 896     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 897
 898         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 899             super(ctx, view);
 900         }
 901
 902         public View getView(int position, View convertView, ViewGroup parent) {
 903             View v = super.getView(position, convertView, parent);
 904
 905             ((TextView) v).setTextColor(getResources().getColorStateList(
 906                     android.R.color.white));
 907
 908             fixRoot((TextView) v );
 909             return v;
 910         }
 911
 912         public View getDropDownView(int position, View convertView,
 913                 ViewGroup parent) {
 914             View v = super.getDropDownView(position, convertView, parent);
 915
 916             ((TextView) v).setTextColor(getResources().getColorStateList(
 917                     android.R.color.white));
 918
 919             fixRoot((TextView) v );
 920             return v;
 921         }
 922
 923         private void fixRoot(TextView v) {
 924             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 925                 v.setText(R.string.default_display_name_for_root_folder);
 926             }
 927         }
 928
 929     }
 930
 931     private class SyncBroadcastReceiver extends BroadcastReceiver {
 932
 933         /**
 934          * {@link BroadcastReceiver} to enable syncing feedback in UI
 935          */
 936         @Override
 937         public void onReceive(Context context, Intent intent) {
 938             try {
 939                 String event = intent.getAction();
 940                 Log_OC.d(TAG, "Received broadcast " + event);
 941                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 942                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 943                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 944                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 945
 946                 if (sameAccount) {
 947
 948                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 949                         mSyncInProgress = true;
 950
 951                     } else {
 952                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 953                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 954
 955                         if (currentDir == null) {
 956                             // current folder was removed from the server
 957                             Toast.makeText( FileDisplayActivity.this,
 958                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 959                                             Toast.LENGTH_LONG)
 960                                 .show();
 961                             browseToRoot();
 962
 963                         } else {
 964                             if (currentFile == null && !getFile().isFolder()) {
 965                                 // currently selected file was removed in the server, and now we know it
 966                                 cleanSecondFragment();
 967                                 currentFile = currentDir;
 968                             }
 969
 970                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 971                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 972                                 if (fileListFragment != null) {
 973                                     fileListFragment.listDirectory(currentDir);
 974                                 }
 975                             }
 976                             setFile(currentFile);
 977                         }
 978
 979                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 980
 981                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 982                                     equals(event) &&
 983                                 /// TODO refactor and make common
 984                                 synchResult != null && !synchResult.isSuccess() &&
 985                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 986                                     synchResult.isIdPRedirection()                  ||
 987                                     (synchResult.isException() && synchResult.getException()
 988                                             instanceof AuthenticatorException))) {
 989
 990                             OwnCloudClient client = null;
 991                             try {
 992                                 OwnCloudAccount ocAccount =
 993                                         new OwnCloudAccount(getAccount(), context);
 994                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 995                                         removeClientFor(ocAccount));
 996                                 // TODO get rid of these exceptions
 997                             } catch (AccountNotFoundException e) {
 998                                 e.printStackTrace();
 999                             } catch (AuthenticatorException e) {
1000                                 e.printStackTrace();
1001                             } catch (OperationCanceledException e) {
1002                                 e.printStackTrace();
1003                             } catch (IOException e) {
1004                                 e.printStackTrace();
1005                             }
1006
1007                             if (client != null) {
1008                                 OwnCloudCredentials cred = client.getCredentials();
1009                                 if (cred != null) {
1010                                     AccountManager am = AccountManager.get(context);
1011                                     if (cred.authTokenExpires()) {
1012                                         am.invalidateAuthToken(
1013                                                 getAccount().type,
1014                                                 cred.getAuthToken()
1015                                         );
1016                                     } else {
1017                                         am.clearPassword(getAccount());
1018                                     }
1019                                 }
1020                             }
1021
1022                             requestCredentialsUpdate();
1023
1024                         }
1025                     }
1026                     removeStickyBroadcast(intent);
1027                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1028                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1029
1030                     setBackgroundText();
1031
1032                 }
1033
1034                 if (synchResult != null) {
1035                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1036                         mLastSslUntrustedServerResult = synchResult;
1037                     }
1038                 }
1039             } catch (RuntimeException e) {
1040                 // avoid app crashes after changing the serial id of RemoteOperationResult
1041                 // in owncloud library with broadcast notifications pending to process
1042                 removeStickyBroadcast(intent);
1043             }
1044         }
1045     }
1046
1047     /**
1048      * Show a text message on screen view for notifying user if content is
1049      * loading or folder is empty
1050      */
1051     private void setBackgroundText() {
1052         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1053         if (ocFileListFragment != null) {
1054             int message = R.string.file_list_loading;
1055             if (!mSyncInProgress) {
1056                 // In case file list is empty
1057                 message = R.string.file_list_empty;
1058             }
1059             ocFileListFragment.setMessageForEmptyList(getString(message));
1060         } else {
1061             Log.e(TAG, "OCFileListFragment is null");
1062         }
1063     }
1064
1065     /**
1066      * Once the file upload has finished -> update view
1067      */
1068     private class UploadFinishReceiver extends BroadcastReceiver {
1069         /**
1070          * Once the file upload has finished -> update view
1071          *  @author David A. Velasco
1072          * {@link BroadcastReceiver} to enable upload feedback in UI
1073          */
1074         @Override
1075         public void onReceive(Context context, Intent intent) {
1076             try {
1077                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1078                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1079                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1080                 OCFile currentDir = getCurrentDir();
1081                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1082                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1083
1084                 if (sameAccount && isDescendant) {
1085                     refreshListOfFilesFragment();
1086                 }
1087
1088                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1089                 boolean renamedInUpload = getFile().getRemotePath().
1090                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1091                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1092                         renamedInUpload;
1093                 FileFragment details = getSecondFragment();
1094                 boolean detailFragmentIsShown = (details != null &&
1095                         details instanceof FileDetailFragment);
1096
1097                 if (sameAccount && sameFile && detailFragmentIsShown) {
1098                     if (uploadWasFine) {
1099                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1100                     }
1101                     if (renamedInUpload) {
1102                         String newName = (new File(uploadedRemotePath)).getName();
1103                         Toast msg = Toast.makeText(
1104                                 context,
1105                                 String.format(
1106                                         getString(R.string.filedetails_renamed_in_upload_msg),
1107                                         newName),
1108                                 Toast.LENGTH_LONG);
1109                         msg.show();
1110                     }
1111                     if (uploadWasFine || getFile().fileExists()) {
1112                         ((FileDetailFragment)details).updateFileDetails(false, true);
1113                     } else {
1114                         cleanSecondFragment();
1115                     }
1116
1117                     // Force the preview if the file is an image
1118                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1119                         startImagePreview(getFile());
1120                     } // TODO what about other kind of previews?
1121                 }
1122
1123             } finally {
1124                 if (intent != null) {
1125                     removeStickyBroadcast(intent);
1126                 }
1127             }
1128
1129         }
1130
1131     }
1132
1133
1134     /**
1135      * Class waiting for broadcast events from the {@link FielDownloader} service.
1136      *
1137      * Updates the UI when a download is started or finished, provided that it is relevant for the
1138      * current folder.
1139      */
1140     private class DownloadFinishReceiver extends BroadcastReceiver {
1141         @Override
1142         public void onReceive(Context context, Intent intent) {
1143             try {
1144                 boolean sameAccount = isSameAccount(context, intent);
1145                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1146                 boolean isDescendant = isDescendant(downloadedRemotePath);
1147
1148                 if (sameAccount && isDescendant) {
1149                     refreshListOfFilesFragment();
1150                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1151                 }
1152
1153                 if (mWaitingToSend != null) {
1154                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1155                     if (mWaitingToSend.isDown()) {
1156                         sendDownloadedFile();
1157                     }
1158                 }
1159
1160             } finally {
1161                 if (intent != null) {
1162                     removeStickyBroadcast(intent);
1163                 }
1164             }
1165         }
1166
1167         private boolean isDescendant(String downloadedRemotePath) {
1168             OCFile currentDir = getCurrentDir();
1169             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1170         }
1171
1172         private boolean isSameAccount(Context context, Intent intent) {
1173             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1174             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1175         }
1176     }
1177
1178
1179     public void browseToRoot() {
1180         OCFileListFragment listOfFiles = getListOfFilesFragment();
1181         if (listOfFiles != null) {  // should never be null, indeed
1182             while (mDirectories.getCount() > 1) {
1183                 popDirname();
1184             }
1185             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1186             listOfFiles.listDirectory(root);
1187             setFile(listOfFiles.getCurrentFile());
1188             startSyncFolderOperation(root);
1189         }
1190         cleanSecondFragment();
1191     }
1192
1193
1194     public void browseTo(OCFile folder) {
1195         if (folder == null || !folder.isFolder()) {
1196             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1197         }
1198         OCFileListFragment listOfFiles = getListOfFilesFragment();
1199         if (listOfFiles != null) {
1200             setNavigationListWithFolder(folder);
1201             listOfFiles.listDirectory(folder);
1202             setFile(listOfFiles.getCurrentFile());
1203             startSyncFolderOperation(folder);
1204         } else {
1205             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1206         }
1207         cleanSecondFragment();
1208     }
1209
1210
1211     /**
1212      * {@inheritDoc}
1213      *
1214      * Updates action bar and second fragment, if in dual pane mode.
1215      */
1216     @Override
1217     public void onBrowsedDownTo(OCFile directory) {
1218         pushDirname(directory);
1219         cleanSecondFragment();
1220
1221         // Sync Folder
1222         startSyncFolderOperation(directory);
1223
1224     }
1225
1226     /**
1227      * Shows the information of the {@link OCFile} received as a
1228      * parameter in the second fragment.
1229      *
1230      * @param file          {@link OCFile} whose details will be shown
1231      */
1232     @Override
1233     public void showDetails(OCFile file) {
1234         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1235         setSecondFragment(detailFragment);
1236         updateFragmentsVisibility(true);
1237         updateNavigationElementsInActionBar(file);
1238         setFile(file);
1239     }
1240
1241
1242     /**
1243      * TODO
1244      */
1245     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1246         ActionBar actionBar = getSupportActionBar();
1247         if (chosenFile == null || mDualPane) {
1248             // only list of files - set for browsing through folders
1249             OCFile currentDir = getCurrentDir();
1250             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1251             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1252             actionBar.setDisplayShowTitleEnabled(!noRoot);
1253             if (!noRoot) {
1254                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1255             }
1256             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1257             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1258
1259         } else {
1260             actionBar.setDisplayHomeAsUpEnabled(true);
1261             actionBar.setDisplayShowTitleEnabled(true);
1262             actionBar.setTitle(chosenFile.getFileName());
1263             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1264         }
1265     }
1266
1267
1268     @Override
1269     protected ServiceConnection newTransferenceServiceConnection() {
1270         return new ListServiceConnection();
1271     }
1272
1273     /** Defines callbacks for service binding, passed to bindService() */
1274     private class ListServiceConnection implements ServiceConnection {
1275
1276         @Override
1277         public void onServiceConnected(ComponentName component, IBinder service) {
1278             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1279                 Log_OC.d(TAG, "Download service connected");
1280                 mDownloaderBinder = (FileDownloaderBinder) service;
1281                 if (mWaitingToPreview != null)
1282                     if (getStorageManager() != null) {
1283                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1284                         if (!mWaitingToPreview.isDown()) {
1285                             requestForDownload();
1286                         }
1287                 }
1288
1289             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1290                 Log_OC.d(TAG, "Upload service connected");
1291                 mUploaderBinder = (FileUploaderBinder) service;
1292             } else {
1293                 return;
1294             }
1295             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1296             OCFileListFragment listOfFiles = getListOfFilesFragment();
1297             if (listOfFiles != null) {
1298                 listOfFiles.listDirectory();
1299             }
1300             FileFragment secondFragment = getSecondFragment();
1301             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1302                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1303                 detailFragment.listenForTransferProgress();
1304                 detailFragment.updateFileDetails(false, false);
1305             }
1306         }
1307
1308         @Override
1309         public void onServiceDisconnected(ComponentName component) {
1310             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1311                 Log_OC.d(TAG, "Download service disconnected");
1312                 mDownloaderBinder = null;
1313             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1314                 Log_OC.d(TAG, "Upload service disconnected");
1315                 mUploaderBinder = null;
1316             }
1317         }
1318     };
1319
1320
1321
1322     /**
1323      * Launch an intent to request the PIN code to the user before letting him use the app
1324      */
1325     private void requestPinCode() {
1326         boolean pinStart = false;
1327         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1328         pinStart = appPrefs.getBoolean("set_pincode", false);
1329         if (pinStart) {
1330             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1331             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1332             startActivity(i);
1333         }
1334     }
1335
1336
1337     @Override
1338     public void onSavedCertificate() {
1339         startSyncFolderOperation(getCurrentDir());
1340     }
1341
1342
1343     @Override
1344     public void onFailedSavingCertificate() {
1345         showDialog(DIALOG_CERT_NOT_SAVED);
1346     }
1347
1348     @Override
1349     public void onCancelCertificate() {
1350         // nothing to do
1351     }
1352
1353     /**
1354      * Updates the view associated to the activity after the finish of some operation over files
1355      * in the current account.
1356      *
1357      * @param operation     Removal operation performed.
1358      * @param result        Result of the removal.
1359      */
1360     @Override
1361     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1362         super.onRemoteOperationFinish(operation, result);
1363
1364         if (operation instanceof RemoveFileOperation) {
1365             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1366
1367         } else if (operation instanceof RenameFileOperation) {
1368             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1369
1370         } else if (operation instanceof SynchronizeFileOperation) {
1371             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1372
1373         } else if (operation instanceof CreateFolderOperation) {
1374             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1375
1376         } else if (operation instanceof CreateShareOperation) {
1377             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1378
1379         } else if (operation instanceof UnshareLinkOperation) {
1380             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1381
1382         } else if (operation instanceof MoveFileOperation) {
1383             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1384         }
1385
1386     }
1387
1388
1389     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1390         if (result.isSuccess()) {
1391             refreshShowDetails();
1392             refreshListOfFilesFragment();
1393         }
1394     }
1395
1396
1397     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1398         if (result.isSuccess()) {
1399             refreshShowDetails();
1400             refreshListOfFilesFragment();
1401
1402         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1403             cleanSecondFragment();
1404             refreshListOfFilesFragment();
1405         }
1406     }
1407
1408     private void refreshShowDetails() {
1409         FileFragment details = getSecondFragment();
1410         if (details != null) {
1411             OCFile file = details.getFile();
1412             if (file != null) {
1413                 file = getStorageManager().getFileByPath(file.getRemotePath());
1414                 if (details instanceof PreviewMediaFragment) {
1415                     // Refresh  OCFile of the fragment
1416                     ((PreviewMediaFragment) details).updateFile(file);
1417                 } else {
1418                     showDetails(file);
1419                 }
1420             }
1421             invalidateOptionsMenu();
1422         }
1423     }
1424
1425     /**
1426      * Updates the view associated to the activity after the finish of an operation trying to remove a
1427      * file.
1428      *
1429      * @param operation     Removal operation performed.
1430      * @param result        Result of the removal.
1431      */
1432     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1433         dismissLoadingDialog();
1434
1435         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1436                 Toast.LENGTH_LONG);
1437         msg.show();
1438
1439         if (result.isSuccess()) {
1440             OCFile removedFile = operation.getFile();
1441             FileFragment second = getSecondFragment();
1442             if (second != null && removedFile.equals(second.getFile())) {
1443                 if (second instanceof PreviewMediaFragment) {
1444                     ((PreviewMediaFragment)second).stopPreview(true);
1445                 }
1446                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1447                 cleanSecondFragment();
1448             }
1449             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1450                 refreshListOfFilesFragment();
1451             }
1452             invalidateOptionsMenu();
1453         } else {
1454             if (result.isSslRecoverableException()) {
1455                 mLastSslUntrustedServerResult = result;
1456                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1457             }
1458         }
1459     }
1460
1461
1462     /**
1463      * Updates the view associated to the activity after the finish of an operation trying to move a
1464      * file.
1465      *
1466      * @param operation     Move operation performed.
1467      * @param result        Result of the move operation.
1468      */
1469     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1470         if (result.isSuccess()) {
1471             dismissLoadingDialog();
1472             refreshListOfFilesFragment();
1473         } else {
1474             dismissLoadingDialog();
1475             try {
1476                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1477                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1478                         Toast.LENGTH_LONG);
1479                 msg.show();
1480
1481             } catch (NotFoundException e) {
1482                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1483             }
1484         }
1485     }
1486
1487
1488     /**
1489      * Updates the view associated to the activity after the finish of an operation trying to rename a
1490      * file.
1491      *
1492      * @param operation     Renaming operation performed.
1493      * @param result        Result of the renaming.
1494      */
1495     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1496         dismissLoadingDialog();
1497         OCFile renamedFile = operation.getFile();
1498         if (result.isSuccess()) {
1499             FileFragment details = getSecondFragment();
1500             if (details != null) {
1501                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1502                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1503                     showDetails(renamedFile);
1504
1505                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1506                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1507                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1508                         int position = ((PreviewMediaFragment)details).getPosition();
1509                         startMediaPreview(renamedFile, position, true);
1510                     } else {
1511                         getFileOperationsHelper().openFile(renamedFile);
1512                     }
1513                 }
1514             }
1515
1516             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1517                 refreshListOfFilesFragment();
1518             }
1519
1520         } else {
1521             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1522                     Toast.LENGTH_LONG);
1523             msg.show();
1524
1525             if (result.isSslRecoverableException()) {
1526                 mLastSslUntrustedServerResult = result;
1527                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1528             }
1529         }
1530     }
1531
1532     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1533         dismissLoadingDialog();
1534         OCFile syncedFile = operation.getLocalFile();
1535         if (!result.isSuccess()) {
1536             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1537                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1538                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1539                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1540                 startActivity(i);
1541
1542             }
1543
1544         } else {
1545             if (operation.transferWasRequested()) {
1546                 onTransferStateChanged(syncedFile, true, true);
1547
1548             } else {
1549                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1550                         Toast.LENGTH_LONG);
1551                 msg.show();
1552             }
1553         }
1554     }
1555
1556     /**
1557      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1558      *
1559      * @param operation     Creation operation performed.
1560      * @param result        Result of the creation.
1561      */
1562     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1563         if (result.isSuccess()) {
1564             dismissLoadingDialog();
1565             refreshListOfFilesFragment();
1566         } else {
1567             dismissLoadingDialog();
1568             try {
1569                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1570                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1571                         Toast.LENGTH_LONG);
1572                 msg.show();
1573
1574             } catch (NotFoundException e) {
1575                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1576             }
1577         }
1578     }
1579
1580
1581     /**
1582      * {@inheritDoc}
1583      */
1584     @Override
1585     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1586         refreshListOfFilesFragment();
1587         FileFragment details = getSecondFragment();
1588         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1589             if (downloading || uploading) {
1590                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1591             } else {
1592                 if (!file.fileExists()) {
1593                     cleanSecondFragment();
1594                 } else {
1595                     ((FileDetailFragment)details).updateFileDetails(false, true);
1596                 }
1597             }
1598         }
1599
1600     }
1601
1602
1603     private void requestForDownload() {
1604         Account account = getAccount();
1605         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1606             Intent i = new Intent(this, FileDownloader.class);
1607             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1608             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1609             startService(i);
1610         }
1611     }
1612
1613
1614     private OCFile getCurrentDir() {
1615         OCFile file = getFile();
1616         if (file != null) {
1617             if (file.isFolder()) {
1618                 return file;
1619             } else if (getStorageManager() != null) {
1620                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1621                 return getStorageManager().getFileByPath(parentPath);
1622             }
1623         }
1624         return null;
1625     }
1626
1627     public void startSyncFolderOperation(OCFile folder) {
1628         long currentSyncTime = System.currentTimeMillis();
1629
1630         mSyncInProgress = true;
1631
1632         // perform folder synchronization
1633         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1634                                                                         currentSyncTime,
1635                                                                         false,
1636                                                                         getFileOperationsHelper().isSharedSupported(),
1637                                                                         getStorageManager(),
1638                                                                         getAccount(),
1639                                                                         getApplicationContext()
1640                                                                       );
1641         synchFolderOp.execute(getAccount(), this, null, null);
1642
1643         setSupportProgressBarIndeterminateVisibility(true);
1644
1645         setBackgroundText();
1646     }
1647
1648     /**
1649      * Show untrusted cert dialog
1650      */
1651     public void showUntrustedCertDialog(RemoteOperationResult result) {
1652         // Show a dialog with the certificate info
1653         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1654         FragmentManager fm = getSupportFragmentManager();
1655         FragmentTransaction ft = fm.beginTransaction();
1656         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1657     }
1658
1659     private void requestForDownload(OCFile file) {
1660         Account account = getAccount();
1661         if (!mDownloaderBinder.isDownloading(account, file)) {
1662             Intent i = new Intent(this, FileDownloader.class);
1663             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1664             i.putExtra(FileDownloader.EXTRA_FILE, file);
1665             startService(i);
1666         }
1667     }
1668
1669     private void sendDownloadedFile(){
1670         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1671         mWaitingToSend = null;
1672     }
1673
1674
1675     /**
1676      * Requests the download of the received {@link OCFile} , updates the UI
1677      * to monitor the download progress and prepares the activity to send the file
1678      * when the download finishes.
1679      *
1680      * @param file          {@link OCFile} to download and preview.
1681      */
1682     public void startDownloadForSending(OCFile file) {
1683         mWaitingToSend = file;
1684         requestForDownload(mWaitingToSend);
1685         boolean hasSecondFragment = (getSecondFragment()!= null);
1686         updateFragmentsVisibility(hasSecondFragment);
1687     }
1688
1689     /**
1690      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1691      *
1692      * @param file                      Image {@link OCFile} to show.
1693      */
1694     public void startImagePreview(OCFile file) {
1695         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1696         showDetailsIntent.putExtra(EXTRA_FILE, file);
1697         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1698         startActivity(showDetailsIntent);
1699
1700     }
1701
1702     /**
1703      * Stars the preview of an already down media {@link OCFile}.
1704      *
1705      * @param file                      Media {@link OCFile} to preview.
1706      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1707      * @param autoplay                  When 'true', the playback will start without user interactions.
1708      */
1709     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1710         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1711         setSecondFragment(mediaFragment);
1712         updateFragmentsVisibility(true);
1713         updateNavigationElementsInActionBar(file);
1714         setFile(file);
1715     }
1716
1717     /**
1718      * Requests the download of the received {@link OCFile} , updates the UI
1719      * to monitor the download progress and prepares the activity to preview
1720      * or open the file when the download finishes.
1721      *
1722      * @param file          {@link OCFile} to download and preview.
1723      */
1724     public void startDownloadForPreview(OCFile file) {
1725         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1726         setSecondFragment(detailFragment);
1727         mWaitingToPreview = file;
1728         requestForDownload();
1729         updateFragmentsVisibility(true);
1730         updateNavigationElementsInActionBar(file);
1731         setFile(file);
1732     }
1733
1734
1735     public void cancelTransference(OCFile file) {
1736         getFileOperationsHelper().cancelTransference(file);
1737         if (mWaitingToPreview != null &&
1738                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1739             mWaitingToPreview = null;
1740         }
1741         if (mWaitingToSend != null &&
1742                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1743             mWaitingToSend = null;
1744         }
1745         onTransferStateChanged(file, false, false);
1746     }
1747
1748     @Override
1749     public void onRefresh() {
1750         OCFileListFragment listOfFiles = getListOfFilesFragment();
1751         if (listOfFiles != null) {
1752             OCFile folder = listOfFiles.getCurrentFile();
1753             if (folder != null) {
1754                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1755                 listDirectory(mFile);*/
1756                 startSyncFolderOperation(folder);
1757             }
1758         }
1759     }
1760
1761     private void sortByDate(boolean ascending){
1762         getListOfFilesFragment().sortByDate(ascending);
1763     }
1764
1765     private void sortBySize(boolean ascending){
1766         getListOfFilesFragment().sortBySize(ascending);
1767     }
1768
1769     private void sortByName(boolean ascending){
1770         getListOfFilesFragment().sortByName(ascending);
1771     }
1772
1773 }