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
 515 // TODO re-enable when server-side folder size calculation is available
 516 //                    case 2:
 517 //                        sortBySize(false);
 518 //                        break;
 519                     }
 520
 521                     dialog.dismiss();
 522
 523                 }
 524             });
 525             builder.create().show();
 526             break;
 527         }
 528         default:
 529             retval = super.onOptionsItemSelected(item);
 530         }
 531         return retval;
 532     }
 533
 534     private void startSynchronization() {
 535         Log_OC.e(TAG, "Got to start sync");
 536         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 537             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 538             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 539             Bundle bundle = new Bundle();
 540             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 541             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 542             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 543             ContentResolver.requestSync(
 544                     getAccount(),
 545                     MainApp.getAuthority(), bundle);
 546         } else {
 547             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 548             SyncRequest.Builder builder = new SyncRequest.Builder();
 549             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 550             builder.setExpedited(true);
 551             builder.setManual(true);
 552             builder.syncOnce();
 553             SyncRequest request = builder.build();
 554             ContentResolver.requestSync(request);
 555         }
 556     }
 557
 558
 559     @Override
 560     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 561         if (itemPosition != 0) {
 562             String targetPath = "";
 563             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 564                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 565             }
 566             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 567             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 568             if (targetFolder != null) {
 569                 browseTo(targetFolder);
 570             }
 571
 572             // the next operation triggers a new call to this method, but it's necessary to
 573             // ensure that the name exposed in the action bar is the current directory when the
 574             // user selected it in the navigation list
 575             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 576                 getSupportActionBar().setSelectedNavigationItem(0);
 577         }
 578         return true;
 579     }
 580
 581     /**
 582      * Called, when the user selected something for uploading
 583      */
 584     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 585         super.onActivityResult(requestCode, resultCode, data);
 586
 587         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 588             requestSimpleUpload(data, resultCode);
 589
 590         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 591             requestMultipleUpload(data, resultCode);
 592
 593         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 594                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)){
 595
 596             final Intent fData = data;
 597             final int fResultCode = resultCode;
 598             getHandler().postDelayed(
 599                 new Runnable() {
 600                     @Override
 601                     public void run() {
 602                         requestMoveOperation(fData, fResultCode);
 603                     }
 604                 },
 605                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 606             );
 607         }
 608     }
 609
 610     private void requestMultipleUpload(Intent data, int resultCode) {
 611         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 612         if (filePaths != null) {
 613             String[] remotePaths = new String[filePaths.length];
 614             String remotePathBase = "";
 615             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 616                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 617             }
 618             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 619                 remotePathBase += OCFile.PATH_SEPARATOR;
 620             for (int j = 0; j< remotePaths.length; j++) {
 621                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 622             }
 623
 624             Intent i = new Intent(this, FileUploader.class);
 625             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 626             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 627             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 628             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 629             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 630                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 631             startService(i);
 632
 633         } else {
 634             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 635             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 636             t.show();
 637             return;
 638         }
 639     }
 640
 641
 642     private void requestSimpleUpload(Intent data, int resultCode) {
 643         String filepath = null;
 644         try {
 645             Uri selectedImageUri = data.getData();
 646
 647             String filemanagerstring = selectedImageUri.getPath();
 648             String selectedImagePath = getPath(selectedImageUri);
 649
 650             if (selectedImagePath != null)
 651                 filepath = selectedImagePath;
 652             else
 653                 filepath = filemanagerstring;
 654
 655         } catch (Exception e) {
 656             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 657             e.printStackTrace();
 658
 659         } finally {
 660             if (filepath == null) {
 661                 Log_OC.e(TAG, "Couldnt resolve path to file");
 662                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 663                 t.show();
 664                 return;
 665             }
 666         }
 667
 668         Intent i = new Intent(this, FileUploader.class);
 669         i.putExtra(FileUploader.KEY_ACCOUNT,
 670                 getAccount());
 671         String remotepath = new String();
 672         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 673             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 674         }
 675         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 676             remotepath += OCFile.PATH_SEPARATOR;
 677         remotepath += new File(filepath).getName();
 678
 679         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 680         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 681         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 682         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 683             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 684         startService(i);
 685     }
 686
 687     /**
 688      * Request the operation for moving the file/folder from one path to another
 689      *
 690      * @param data              Intent received
 691      * @param resultCode        Result code received
 692      */
 693     private void requestMoveOperation(Intent data, int resultCode) {
 694         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 695         OCFile targetFile = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_TARGET_FILE);
 696         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 697     }
 698
 699     @Override
 700     public void onBackPressed() {
 701         OCFileListFragment listOfFiles = getListOfFilesFragment();
 702         if (mDualPane || getSecondFragment() == null) {
 703             if (listOfFiles != null) {  // should never be null, indeed
 704                 if (mDirectories.getCount() <= 1) {
 705                     finish();
 706                     return;
 707                 }
 708                 int levelsUp = listOfFiles.onBrowseUp();
 709                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 710                     popDirname();
 711                 }
 712             }
 713         }
 714         if (listOfFiles != null) {  // should never be null, indeed
 715             setFile(listOfFiles.getCurrentFile());
 716         }
 717         cleanSecondFragment();
 718
 719     }
 720
 721     @Override
 722     protected void onSaveInstanceState(Bundle outState) {
 723         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 724         Log_OC.e(TAG, "onSaveInstanceState() start");
 725         super.onSaveInstanceState(outState);
 726         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 727         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 728         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 729         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 730
 731         Log_OC.d(TAG, "onSaveInstanceState() end");
 732     }
 733
 734
 735
 736     @Override
 737     protected void onResume() {
 738         super.onResume();
 739         Log_OC.e(TAG, "onResume() start");
 740
 741         // refresh list of files
 742         refreshListOfFilesFragment();
 743
 744         // Listen for sync messages
 745         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 746         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 747         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 748         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 749         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 750         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 751         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 752         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 753
 754         // Listen for upload messages
 755         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 756         mUploadFinishReceiver = new UploadFinishReceiver();
 757         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 758
 759         // Listen for download messages
 760         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 761         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 762         mDownloadFinishReceiver = new DownloadFinishReceiver();
 763         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 764
 765         Log_OC.d(TAG, "onResume() end");
 766     }
 767
 768
 769     @Override
 770     protected void onPause() {
 771         Log_OC.e(TAG, "onPause() start");
 772         if (mSyncBroadcastReceiver != null) {
 773             unregisterReceiver(mSyncBroadcastReceiver);
 774             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 775             mSyncBroadcastReceiver = null;
 776         }
 777         if (mUploadFinishReceiver != null) {
 778             unregisterReceiver(mUploadFinishReceiver);
 779             mUploadFinishReceiver = null;
 780         }
 781         if (mDownloadFinishReceiver != null) {
 782             unregisterReceiver(mDownloadFinishReceiver);
 783             mDownloadFinishReceiver = null;
 784         }
 785
 786
 787         Log_OC.d(TAG, "onPause() end");
 788         super.onPause();
 789     }
 790
 791
 792     @Override
 793     protected Dialog onCreateDialog(int id) {
 794         Dialog dialog = null;
 795         AlertDialog.Builder builder;
 796         switch (id) {
 797         case DIALOG_SHORT_WAIT: {
 798             ProgressDialog working_dialog = new ProgressDialog(this);
 799             working_dialog.setMessage(getResources().getString(
 800                     R.string.wait_a_moment));
 801             working_dialog.setIndeterminate(true);
 802             working_dialog.setCancelable(false);
 803             dialog = working_dialog;
 804             break;
 805         }
 806         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 807
 808
 809             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 810                     getString(R.string.actionbar_upload_from_apps) };
 811
 812             builder = new AlertDialog.Builder(this);
 813             builder.setTitle(R.string.actionbar_upload);
 814             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 815                 public void onClick(DialogInterface dialog, int item) {
 816                     if (item == 0) {
 817                         // if (!mDualPane) {
 818                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 819                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 820                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 821                             // } else {
 822                             // TODO create and handle new fragment
 823                             // LocalFileListFragment
 824                             // }
 825                     } else if (item == 1) {
 826                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 827                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 828                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 829                                 ACTION_SELECT_CONTENT_FROM_APPS);
 830                     }
 831                 }
 832             });
 833             dialog = builder.create();
 834             break;
 835         }
 836         case DIALOG_CERT_NOT_SAVED: {
 837             builder = new AlertDialog.Builder(this);
 838             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 839             builder.setCancelable(false);
 840             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 841                 @Override
 842                 public void onClick(DialogInterface dialog, int which) {
 843                     dialog.dismiss();
 844                 };
 845             });
 846             dialog = builder.create();
 847             break;
 848         }
 849         default:
 850             dialog = null;
 851         }
 852
 853         return dialog;
 854     }
 855
 856
 857     /**
 858      * Translates a content URI of an image to a physical path
 859      * on the disk
 860      * @param uri The URI to resolve
 861      * @return The path to the image or null if it could not be found
 862      */
 863     public String getPath(Uri uri) {
 864         String[] projection = { MediaStore.Images.Media.DATA };
 865         Cursor cursor = managedQuery(uri, projection, null, null, null);
 866         if (cursor != null) {
 867             int column_index = cursor
 868                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 869             cursor.moveToFirst();
 870             return cursor.getString(column_index);
 871         }
 872         return null;
 873     }
 874
 875     /**
 876      * Pushes a directory to the drop down list
 877      * @param directory to push
 878      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 879      */
 880     public void pushDirname(OCFile directory) {
 881         if(!directory.isFolder()){
 882             throw new IllegalArgumentException("Only directories may be pushed!");
 883         }
 884         mDirectories.insert(directory.getFileName(), 0);
 885         setFile(directory);
 886     }
 887
 888     /**
 889      * Pops a directory name from the drop down list
 890      * @return True, unless the stack is empty
 891      */
 892     public boolean popDirname() {
 893         mDirectories.remove(mDirectories.getItem(0));
 894         return !mDirectories.isEmpty();
 895     }
 896
 897     // Custom array adapter to override text colors
 898     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 899
 900         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 901             super(ctx, view);
 902         }
 903
 904         public View getView(int position, View convertView, ViewGroup parent) {
 905             View v = super.getView(position, convertView, parent);
 906
 907             ((TextView) v).setTextColor(getResources().getColorStateList(
 908                     android.R.color.white));
 909
 910             fixRoot((TextView) v );
 911             return v;
 912         }
 913
 914         public View getDropDownView(int position, View convertView,
 915                 ViewGroup parent) {
 916             View v = super.getDropDownView(position, convertView, parent);
 917
 918             ((TextView) v).setTextColor(getResources().getColorStateList(
 919                     android.R.color.white));
 920
 921             fixRoot((TextView) v );
 922             return v;
 923         }
 924
 925         private void fixRoot(TextView v) {
 926             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 927                 v.setText(R.string.default_display_name_for_root_folder);
 928             }
 929         }
 930
 931     }
 932
 933     private class SyncBroadcastReceiver extends BroadcastReceiver {
 934
 935         /**
 936          * {@link BroadcastReceiver} to enable syncing feedback in UI
 937          */
 938         @Override
 939         public void onReceive(Context context, Intent intent) {
 940             try {
 941                 String event = intent.getAction();
 942                 Log_OC.d(TAG, "Received broadcast " + event);
 943                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 944                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 945                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 946                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 947
 948                 if (sameAccount) {
 949
 950                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 951                         mSyncInProgress = true;
 952
 953                     } else {
 954                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 955                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 956
 957                         if (currentDir == null) {
 958                             // current folder was removed from the server
 959                             Toast.makeText( FileDisplayActivity.this,
 960                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 961                                             Toast.LENGTH_LONG)
 962                                 .show();
 963                             browseToRoot();
 964
 965                         } else {
 966                             if (currentFile == null && !getFile().isFolder()) {
 967                                 // currently selected file was removed in the server, and now we know it
 968                                 cleanSecondFragment();
 969                                 currentFile = currentDir;
 970                             }
 971
 972                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 973                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 974                                 if (fileListFragment != null) {
 975                                     fileListFragment.listDirectory(currentDir);
 976                                 }
 977                             }
 978                             setFile(currentFile);
 979                         }
 980
 981                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 982
 983                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 984                                     equals(event) &&
 985                                 /// TODO refactor and make common
 986                                 synchResult != null && !synchResult.isSuccess() &&
 987                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 988                                     synchResult.isIdPRedirection()                  ||
 989                                     (synchResult.isException() && synchResult.getException()
 990                                             instanceof AuthenticatorException))) {
 991
 992                             OwnCloudClient client = null;
 993                             try {
 994                                 OwnCloudAccount ocAccount =
 995                                         new OwnCloudAccount(getAccount(), context);
 996                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 997                                         removeClientFor(ocAccount));
 998                                 // TODO get rid of these exceptions
 999                             } catch (AccountNotFoundException e) {
1000                                 e.printStackTrace();
1001                             } catch (AuthenticatorException e) {
1002                                 e.printStackTrace();
1003                             } catch (OperationCanceledException e) {
1004                                 e.printStackTrace();
1005                             } catch (IOException e) {
1006                                 e.printStackTrace();
1007                             }
1008
1009                             if (client != null) {
1010                                 OwnCloudCredentials cred = client.getCredentials();
1011                                 if (cred != null) {
1012                                     AccountManager am = AccountManager.get(context);
1013                                     if (cred.authTokenExpires()) {
1014                                         am.invalidateAuthToken(
1015                                                 getAccount().type,
1016                                                 cred.getAuthToken()
1017                                         );
1018                                     } else {
1019                                         am.clearPassword(getAccount());
1020                                     }
1021                                 }
1022                             }
1023
1024                             requestCredentialsUpdate();
1025
1026                         }
1027                     }
1028                     removeStickyBroadcast(intent);
1029                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1030                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1031
1032                     setBackgroundText();
1033
1034                 }
1035
1036                 if (synchResult != null) {
1037                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1038                         mLastSslUntrustedServerResult = synchResult;
1039                     }
1040                 }
1041             } catch (RuntimeException e) {
1042                 // avoid app crashes after changing the serial id of RemoteOperationResult
1043                 // in owncloud library with broadcast notifications pending to process
1044                 removeStickyBroadcast(intent);
1045             }
1046         }
1047     }
1048
1049     /**
1050      * Show a text message on screen view for notifying user if content is
1051      * loading or folder is empty
1052      */
1053     private void setBackgroundText() {
1054         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1055         if (ocFileListFragment != null) {
1056             int message = R.string.file_list_loading;
1057             if (!mSyncInProgress) {
1058                 // In case file list is empty
1059                 message = R.string.file_list_empty;
1060             }
1061             ocFileListFragment.setMessageForEmptyList(getString(message));
1062         } else {
1063             Log.e(TAG, "OCFileListFragment is null");
1064         }
1065     }
1066
1067     /**
1068      * Once the file upload has finished -> update view
1069      */
1070     private class UploadFinishReceiver extends BroadcastReceiver {
1071         /**
1072          * Once the file upload has finished -> update view
1073          *  @author David A. Velasco
1074          * {@link BroadcastReceiver} to enable upload feedback in UI
1075          */
1076         @Override
1077         public void onReceive(Context context, Intent intent) {
1078             try {
1079                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1080                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1081                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1082                 OCFile currentDir = getCurrentDir();
1083                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1084                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1085
1086                 if (sameAccount && isDescendant) {
1087                     refreshListOfFilesFragment();
1088                 }
1089
1090                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1091                 boolean renamedInUpload = getFile().getRemotePath().
1092                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1093                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1094                         renamedInUpload;
1095                 FileFragment details = getSecondFragment();
1096                 boolean detailFragmentIsShown = (details != null &&
1097                         details instanceof FileDetailFragment);
1098
1099                 if (sameAccount && sameFile && detailFragmentIsShown) {
1100                     if (uploadWasFine) {
1101                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1102                     }
1103                     if (renamedInUpload) {
1104                         String newName = (new File(uploadedRemotePath)).getName();
1105                         Toast msg = Toast.makeText(
1106                                 context,
1107                                 String.format(
1108                                         getString(R.string.filedetails_renamed_in_upload_msg),
1109                                         newName),
1110                                 Toast.LENGTH_LONG);
1111                         msg.show();
1112                     }
1113                     if (uploadWasFine || getFile().fileExists()) {
1114                         ((FileDetailFragment)details).updateFileDetails(false, true);
1115                     } else {
1116                         cleanSecondFragment();
1117                     }
1118
1119                     // Force the preview if the file is an image
1120                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1121                         startImagePreview(getFile());
1122                     } // TODO what about other kind of previews?
1123                 }
1124
1125             } finally {
1126                 if (intent != null) {
1127                     removeStickyBroadcast(intent);
1128                 }
1129             }
1130
1131         }
1132
1133     }
1134
1135
1136     /**
1137      * Class waiting for broadcast events from the {@link FielDownloader} service.
1138      *
1139      * Updates the UI when a download is started or finished, provided that it is relevant for the
1140      * current folder.
1141      */
1142     private class DownloadFinishReceiver extends BroadcastReceiver {
1143         @Override
1144         public void onReceive(Context context, Intent intent) {
1145             try {
1146                 boolean sameAccount = isSameAccount(context, intent);
1147                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1148                 boolean isDescendant = isDescendant(downloadedRemotePath);
1149
1150                 if (sameAccount && isDescendant) {
1151                     refreshListOfFilesFragment();
1152                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1153                 }
1154
1155                 if (mWaitingToSend != null) {
1156                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1157                     if (mWaitingToSend.isDown()) {
1158                         sendDownloadedFile();
1159                     }
1160                 }
1161
1162             } finally {
1163                 if (intent != null) {
1164                     removeStickyBroadcast(intent);
1165                 }
1166             }
1167         }
1168
1169         private boolean isDescendant(String downloadedRemotePath) {
1170             OCFile currentDir = getCurrentDir();
1171             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1172         }
1173
1174         private boolean isSameAccount(Context context, Intent intent) {
1175             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1176             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1177         }
1178     }
1179
1180
1181     public void browseToRoot() {
1182         OCFileListFragment listOfFiles = getListOfFilesFragment();
1183         if (listOfFiles != null) {  // should never be null, indeed
1184             while (mDirectories.getCount() > 1) {
1185                 popDirname();
1186             }
1187             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1188             listOfFiles.listDirectory(root);
1189             setFile(listOfFiles.getCurrentFile());
1190             startSyncFolderOperation(root);
1191         }
1192         cleanSecondFragment();
1193     }
1194
1195
1196     public void browseTo(OCFile folder) {
1197         if (folder == null || !folder.isFolder()) {
1198             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1199         }
1200         OCFileListFragment listOfFiles = getListOfFilesFragment();
1201         if (listOfFiles != null) {
1202             setNavigationListWithFolder(folder);
1203             listOfFiles.listDirectory(folder);
1204             setFile(listOfFiles.getCurrentFile());
1205             startSyncFolderOperation(folder);
1206         } else {
1207             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1208         }
1209         cleanSecondFragment();
1210     }
1211
1212
1213     /**
1214      * {@inheritDoc}
1215      *
1216      * Updates action bar and second fragment, if in dual pane mode.
1217      */
1218     @Override
1219     public void onBrowsedDownTo(OCFile directory) {
1220         pushDirname(directory);
1221         cleanSecondFragment();
1222
1223         // Sync Folder
1224         startSyncFolderOperation(directory);
1225
1226     }
1227
1228     /**
1229      * Shows the information of the {@link OCFile} received as a
1230      * parameter in the second fragment.
1231      *
1232      * @param file          {@link OCFile} whose details will be shown
1233      */
1234     @Override
1235     public void showDetails(OCFile file) {
1236         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1237         setSecondFragment(detailFragment);
1238         updateFragmentsVisibility(true);
1239         updateNavigationElementsInActionBar(file);
1240         setFile(file);
1241     }
1242
1243
1244     /**
1245      * TODO
1246      */
1247     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1248         ActionBar actionBar = getSupportActionBar();
1249         if (chosenFile == null || mDualPane) {
1250             // only list of files - set for browsing through folders
1251             OCFile currentDir = getCurrentDir();
1252             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1253             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1254             actionBar.setDisplayShowTitleEnabled(!noRoot);
1255             if (!noRoot) {
1256                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1257             }
1258             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1259             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1260
1261         } else {
1262             actionBar.setDisplayHomeAsUpEnabled(true);
1263             actionBar.setDisplayShowTitleEnabled(true);
1264             actionBar.setTitle(chosenFile.getFileName());
1265             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1266         }
1267     }
1268
1269
1270     @Override
1271     protected ServiceConnection newTransferenceServiceConnection() {
1272         return new ListServiceConnection();
1273     }
1274
1275     /** Defines callbacks for service binding, passed to bindService() */
1276     private class ListServiceConnection implements ServiceConnection {
1277
1278         @Override
1279         public void onServiceConnected(ComponentName component, IBinder service) {
1280             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1281                 Log_OC.d(TAG, "Download service connected");
1282                 mDownloaderBinder = (FileDownloaderBinder) service;
1283                 if (mWaitingToPreview != null)
1284                     if (getStorageManager() != null) {
1285                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1286                         if (!mWaitingToPreview.isDown()) {
1287                             requestForDownload();
1288                         }
1289                 }
1290
1291             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1292                 Log_OC.d(TAG, "Upload service connected");
1293                 mUploaderBinder = (FileUploaderBinder) service;
1294             } else {
1295                 return;
1296             }
1297             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1298             OCFileListFragment listOfFiles = getListOfFilesFragment();
1299             if (listOfFiles != null) {
1300                 listOfFiles.listDirectory();
1301             }
1302             FileFragment secondFragment = getSecondFragment();
1303             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1304                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1305                 detailFragment.listenForTransferProgress();
1306                 detailFragment.updateFileDetails(false, false);
1307             }
1308         }
1309
1310         @Override
1311         public void onServiceDisconnected(ComponentName component) {
1312             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1313                 Log_OC.d(TAG, "Download service disconnected");
1314                 mDownloaderBinder = null;
1315             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1316                 Log_OC.d(TAG, "Upload service disconnected");
1317                 mUploaderBinder = null;
1318             }
1319         }
1320     };
1321
1322
1323
1324     /**
1325      * Launch an intent to request the PIN code to the user before letting him use the app
1326      */
1327     private void requestPinCode() {
1328         boolean pinStart = false;
1329         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1330         pinStart = appPrefs.getBoolean("set_pincode", false);
1331         if (pinStart) {
1332             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1333             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1334             startActivity(i);
1335         }
1336     }
1337
1338
1339     @Override
1340     public void onSavedCertificate() {
1341         startSyncFolderOperation(getCurrentDir());
1342     }
1343
1344
1345     @Override
1346     public void onFailedSavingCertificate() {
1347         showDialog(DIALOG_CERT_NOT_SAVED);
1348     }
1349
1350     @Override
1351     public void onCancelCertificate() {
1352         // nothing to do
1353     }
1354
1355     /**
1356      * Updates the view associated to the activity after the finish of some operation over files
1357      * in the current account.
1358      *
1359      * @param operation     Removal operation performed.
1360      * @param result        Result of the removal.
1361      */
1362     @Override
1363     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1364         super.onRemoteOperationFinish(operation, result);
1365
1366         if (operation instanceof RemoveFileOperation) {
1367             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1368
1369         } else if (operation instanceof RenameFileOperation) {
1370             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1371
1372         } else if (operation instanceof SynchronizeFileOperation) {
1373             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1374
1375         } else if (operation instanceof CreateFolderOperation) {
1376             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1377
1378         } else if (operation instanceof CreateShareOperation) {
1379             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1380
1381         } else if (operation instanceof UnshareLinkOperation) {
1382             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1383
1384         } else if (operation instanceof MoveFileOperation) {
1385             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1386         }
1387
1388     }
1389
1390
1391     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1392         if (result.isSuccess()) {
1393             refreshShowDetails();
1394             refreshListOfFilesFragment();
1395         }
1396     }
1397
1398
1399     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1400         if (result.isSuccess()) {
1401             refreshShowDetails();
1402             refreshListOfFilesFragment();
1403
1404         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1405             cleanSecondFragment();
1406             refreshListOfFilesFragment();
1407         }
1408     }
1409
1410     private void refreshShowDetails() {
1411         FileFragment details = getSecondFragment();
1412         if (details != null) {
1413             OCFile file = details.getFile();
1414             if (file != null) {
1415                 file = getStorageManager().getFileByPath(file.getRemotePath());
1416                 if (details instanceof PreviewMediaFragment) {
1417                     // Refresh  OCFile of the fragment
1418                     ((PreviewMediaFragment) details).updateFile(file);
1419                 } else {
1420                     showDetails(file);
1421                 }
1422             }
1423             invalidateOptionsMenu();
1424         }
1425     }
1426
1427     /**
1428      * Updates the view associated to the activity after the finish of an operation trying to remove a
1429      * file.
1430      *
1431      * @param operation     Removal operation performed.
1432      * @param result        Result of the removal.
1433      */
1434     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1435         dismissLoadingDialog();
1436
1437         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1438                 Toast.LENGTH_LONG);
1439         msg.show();
1440
1441         if (result.isSuccess()) {
1442             OCFile removedFile = operation.getFile();
1443             FileFragment second = getSecondFragment();
1444             if (second != null && removedFile.equals(second.getFile())) {
1445                 if (second instanceof PreviewMediaFragment) {
1446                     ((PreviewMediaFragment)second).stopPreview(true);
1447                 }
1448                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1449                 cleanSecondFragment();
1450             }
1451             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1452                 refreshListOfFilesFragment();
1453             }
1454             invalidateOptionsMenu();
1455         } else {
1456             if (result.isSslRecoverableException()) {
1457                 mLastSslUntrustedServerResult = result;
1458                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1459             }
1460         }
1461     }
1462
1463
1464     /**
1465      * Updates the view associated to the activity after the finish of an operation trying to move a
1466      * file.
1467      *
1468      * @param operation     Move operation performed.
1469      * @param result        Result of the move operation.
1470      */
1471     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1472         if (result.isSuccess()) {
1473             dismissLoadingDialog();
1474             refreshListOfFilesFragment();
1475         } else {
1476             dismissLoadingDialog();
1477             try {
1478                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1479                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1480                         Toast.LENGTH_LONG);
1481                 msg.show();
1482
1483             } catch (NotFoundException e) {
1484                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1485             }
1486         }
1487     }
1488
1489
1490     /**
1491      * Updates the view associated to the activity after the finish of an operation trying to rename a
1492      * file.
1493      *
1494      * @param operation     Renaming operation performed.
1495      * @param result        Result of the renaming.
1496      */
1497     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1498         dismissLoadingDialog();
1499         OCFile renamedFile = operation.getFile();
1500         if (result.isSuccess()) {
1501             FileFragment details = getSecondFragment();
1502             if (details != null) {
1503                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1504                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1505                     showDetails(renamedFile);
1506
1507                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1508                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1509                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1510                         int position = ((PreviewMediaFragment)details).getPosition();
1511                         startMediaPreview(renamedFile, position, true);
1512                     } else {
1513                         getFileOperationsHelper().openFile(renamedFile);
1514                     }
1515                 }
1516             }
1517
1518             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1519                 refreshListOfFilesFragment();
1520             }
1521
1522         } else {
1523             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1524                     Toast.LENGTH_LONG);
1525             msg.show();
1526
1527             if (result.isSslRecoverableException()) {
1528                 mLastSslUntrustedServerResult = result;
1529                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1530             }
1531         }
1532     }
1533
1534     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1535         dismissLoadingDialog();
1536         OCFile syncedFile = operation.getLocalFile();
1537         if (!result.isSuccess()) {
1538             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1539                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1540                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1541                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1542                 startActivity(i);
1543
1544             }
1545
1546         } else {
1547             if (operation.transferWasRequested()) {
1548                 onTransferStateChanged(syncedFile, true, true);
1549
1550             } else {
1551                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1552                         Toast.LENGTH_LONG);
1553                 msg.show();
1554             }
1555         }
1556     }
1557
1558     /**
1559      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1560      *
1561      * @param operation     Creation operation performed.
1562      * @param result        Result of the creation.
1563      */
1564     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1565         if (result.isSuccess()) {
1566             dismissLoadingDialog();
1567             refreshListOfFilesFragment();
1568         } else {
1569             dismissLoadingDialog();
1570             try {
1571                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1572                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1573                         Toast.LENGTH_LONG);
1574                 msg.show();
1575
1576             } catch (NotFoundException e) {
1577                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1578             }
1579         }
1580     }
1581
1582
1583     /**
1584      * {@inheritDoc}
1585      */
1586     @Override
1587     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1588         refreshListOfFilesFragment();
1589         FileFragment details = getSecondFragment();
1590         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1591             if (downloading || uploading) {
1592                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1593             } else {
1594                 if (!file.fileExists()) {
1595                     cleanSecondFragment();
1596                 } else {
1597                     ((FileDetailFragment)details).updateFileDetails(false, true);
1598                 }
1599             }
1600         }
1601
1602     }
1603
1604
1605     private void requestForDownload() {
1606         Account account = getAccount();
1607         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1608             Intent i = new Intent(this, FileDownloader.class);
1609             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1610             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1611             startService(i);
1612         }
1613     }
1614
1615
1616     private OCFile getCurrentDir() {
1617         OCFile file = getFile();
1618         if (file != null) {
1619             if (file.isFolder()) {
1620                 return file;
1621             } else if (getStorageManager() != null) {
1622                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1623                 return getStorageManager().getFileByPath(parentPath);
1624             }
1625         }
1626         return null;
1627     }
1628
1629     public void startSyncFolderOperation(OCFile folder) {
1630         long currentSyncTime = System.currentTimeMillis();
1631
1632         mSyncInProgress = true;
1633
1634         // perform folder synchronization
1635         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1636                                                                         currentSyncTime,
1637                                                                         false,
1638                                                                         getFileOperationsHelper().isSharedSupported(),
1639                                                                         getStorageManager(),
1640                                                                         getAccount(),
1641                                                                         getApplicationContext()
1642                                                                       );
1643         synchFolderOp.execute(getAccount(), this, null, null);
1644
1645         setSupportProgressBarIndeterminateVisibility(true);
1646
1647         setBackgroundText();
1648     }
1649
1650     /**
1651      * Show untrusted cert dialog
1652      */
1653     public void showUntrustedCertDialog(RemoteOperationResult result) {
1654         // Show a dialog with the certificate info
1655         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1656         FragmentManager fm = getSupportFragmentManager();
1657         FragmentTransaction ft = fm.beginTransaction();
1658         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1659     }
1660
1661     private void requestForDownload(OCFile file) {
1662         Account account = getAccount();
1663         if (!mDownloaderBinder.isDownloading(account, file)) {
1664             Intent i = new Intent(this, FileDownloader.class);
1665             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1666             i.putExtra(FileDownloader.EXTRA_FILE, file);
1667             startService(i);
1668         }
1669     }
1670
1671     private void sendDownloadedFile(){
1672         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1673         mWaitingToSend = null;
1674     }
1675
1676
1677     /**
1678      * Requests the download of the received {@link OCFile} , updates the UI
1679      * to monitor the download progress and prepares the activity to send the file
1680      * when the download finishes.
1681      *
1682      * @param file          {@link OCFile} to download and preview.
1683      */
1684     public void startDownloadForSending(OCFile file) {
1685         mWaitingToSend = file;
1686         requestForDownload(mWaitingToSend);
1687         boolean hasSecondFragment = (getSecondFragment()!= null);
1688         updateFragmentsVisibility(hasSecondFragment);
1689     }
1690
1691     /**
1692      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1693      *
1694      * @param file                      Image {@link OCFile} to show.
1695      */
1696     public void startImagePreview(OCFile file) {
1697         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1698         showDetailsIntent.putExtra(EXTRA_FILE, file);
1699         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1700         startActivity(showDetailsIntent);
1701
1702     }
1703
1704     /**
1705      * Stars the preview of an already down media {@link OCFile}.
1706      *
1707      * @param file                      Media {@link OCFile} to preview.
1708      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1709      * @param autoplay                  When 'true', the playback will start without user interactions.
1710      */
1711     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1712         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1713         setSecondFragment(mediaFragment);
1714         updateFragmentsVisibility(true);
1715         updateNavigationElementsInActionBar(file);
1716         setFile(file);
1717     }
1718
1719     /**
1720      * Requests the download of the received {@link OCFile} , updates the UI
1721      * to monitor the download progress and prepares the activity to preview
1722      * or open the file when the download finishes.
1723      *
1724      * @param file          {@link OCFile} to download and preview.
1725      */
1726     public void startDownloadForPreview(OCFile file) {
1727         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1728         setSecondFragment(detailFragment);
1729         mWaitingToPreview = file;
1730         requestForDownload();
1731         updateFragmentsVisibility(true);
1732         updateNavigationElementsInActionBar(file);
1733         setFile(file);
1734     }
1735
1736
1737     public void cancelTransference(OCFile file) {
1738         getFileOperationsHelper().cancelTransference(file);
1739         if (mWaitingToPreview != null &&
1740                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1741             mWaitingToPreview = null;
1742         }
1743         if (mWaitingToSend != null &&
1744                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1745             mWaitingToSend = null;
1746         }
1747         onTransferStateChanged(file, false, false);
1748     }
1749
1750     @Override
1751     public void onRefresh() {
1752         OCFileListFragment listOfFiles = getListOfFilesFragment();
1753         if (listOfFiles != null) {
1754             OCFile folder = listOfFiles.getCurrentFile();
1755             if (folder != null) {
1756                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1757                 listDirectory(mFile);*/
1758                 startSyncFolderOperation(folder);
1759             }
1760         }
1761     }
1762
1763     private void sortByDate(boolean ascending){
1764         getListOfFilesFragment().sortByDate(ascending);
1765     }
1766
1767     private void sortBySize(boolean ascending){
1768         getListOfFilesFragment().sortBySize(ascending);
1769     }
1770
1771     private void sortByName(boolean ascending){
1772         getListOfFilesFragment().sortByName(ascending);
1773     }
1774
1775 }