src/com/owncloud/android/ui/activity/FileDisplayActivity.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2011  Bartek Przybylski
   7  *   Copyright (C) 2015 ownCloud Inc.
   8  *
   9  *   This program is free software: you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License version 2,
  11  *   as published by the Free Software Foundation.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  */
  22
  23 package com.owncloud.android.ui.activity;
  24
  25 import android.accounts.Account;
  26 import android.accounts.AccountManager;
  27 import android.accounts.AuthenticatorException;
  28 import android.annotation.TargetApi;
  29 import android.support.v7.app.AlertDialog;
  30 import android.content.BroadcastReceiver;
  31 import android.content.ComponentName;
  32 import android.content.ContentResolver;
  33 import android.content.Context;
  34 import android.content.DialogInterface;
  35 import android.content.Intent;
  36 import android.content.IntentFilter;
  37 import android.content.ServiceConnection;
  38 import android.content.SharedPreferences;
  39 import android.content.SyncRequest;
  40 import android.content.res.Resources.NotFoundException;
  41 import android.database.Cursor;
  42 import android.net.Uri;
  43 import android.os.Build;
  44 import android.os.Bundle;
  45 import android.os.IBinder;
  46 import android.preference.PreferenceManager;
  47 import android.provider.OpenableColumns;
  48 import android.support.v4.app.Fragment;
  49 import android.support.v4.app.FragmentManager;
  50 import android.support.v4.app.FragmentTransaction;
  51 import android.support.v4.content.ContextCompat;
  52 import android.support.v4.view.GravityCompat;
  53 import android.view.Menu;
  54 import android.view.MenuInflater;
  55 import android.view.MenuItem;
  56 import android.view.View;
  57 import android.widget.ProgressBar;
  58 import android.widget.RelativeLayout;
  59 import android.widget.TextView;
  60 import android.widget.Toast;
  61
  62 import com.owncloud.android.MainApp;
  63 import com.owncloud.android.R;
  64 import com.owncloud.android.datamodel.FileDataStorageManager;
  65 import com.owncloud.android.datamodel.OCFile;
  66 import com.owncloud.android.files.services.FileDownloader;
  67 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  68 import com.owncloud.android.files.services.FileUploader;
  69 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  70 import com.owncloud.android.lib.common.OwnCloudAccount;
  71 import com.owncloud.android.lib.common.OwnCloudClient;
  72 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  73 import com.owncloud.android.lib.common.OwnCloudCredentials;
  74 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  75 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  76 import com.owncloud.android.lib.common.operations.RemoteOperation;
  77 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  78 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  79 import com.owncloud.android.lib.common.utils.Log_OC;
  80 import com.owncloud.android.operations.CopyFileOperation;
  81 import com.owncloud.android.operations.CreateFolderOperation;
  82 import com.owncloud.android.operations.CreateShareOperation;
  83 import com.owncloud.android.operations.MoveFileOperation;
  84 import com.owncloud.android.operations.RefreshFolderOperation;
  85 import com.owncloud.android.operations.RemoveFileOperation;
  86 import com.owncloud.android.operations.RenameFileOperation;
  87 import com.owncloud.android.operations.SynchronizeFileOperation;
  88 import com.owncloud.android.operations.UnshareLinkOperation;
  89 import com.owncloud.android.services.observer.FileObserverService;
  90 import com.owncloud.android.syncadapter.FileSyncAdapter;
  91 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  92 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  93 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  94 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  95 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
  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.PreviewTextFragment;
 103 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 104 import com.owncloud.android.utils.DisplayUtils;
 105 import com.owncloud.android.utils.ErrorMessageAdapter;
 106 import com.owncloud.android.utils.FileStorageUtils;
 107 import com.owncloud.android.utils.UriUtils;
 108
 109 import java.io.File;
 110
 111 /**
 112  * Displays, what files the user has available in his ownCloud.
 113  */
 114
 115 public class FileDisplayActivity extends HookActivity
 116         implements FileFragment.ContainerActivity,
 117         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 118
 119
 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     private ProgressBar mProgressBar;
 130
 131     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 132     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 133     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 134
 135     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 136
 137     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 138     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 139     public static final int ACTION_MOVE_FILES = 3;
 140     public static final int ACTION_COPY_FILES = 4;
 141
 142     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 143
 144     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 145     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 146
 147     private OCFile mWaitingToPreview;
 148
 149     private boolean mSyncInProgress = false;
 150
 151     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 152     private static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 153     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 154     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 155
 156     private OCFile mWaitingToSend;
 157
 158
 159     @Override
 160     protected void onCreate(Bundle savedInstanceState) {
 161         Log_OC.v(TAG, "onCreate() start");
 162
 163         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account
 164                                             // is valid
 165
 166         /// grant that FileObserverService is watching favorite files
 167         if (savedInstanceState == null) {
 168             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 169             startService(initObserversIntent);
 170         }
 171
 172         /// Load of saved instance state
 173         if(savedInstanceState != null) {
 174             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(
 175                     FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 176             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 177             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(
 178                     FileDisplayActivity.KEY_WAITING_TO_SEND);
 179         } else {
 180             mWaitingToPreview = null;
 181             mSyncInProgress = false;
 182             mWaitingToSend = null;
 183         }
 184
 185         /// USER INTERFACE
 186
 187         // Inflate and set the layout view
 188         setContentView(R.layout.files);
 189
 190         // Navigation Drawer
 191         initDrawer();
 192
 193         mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
 194         mProgressBar.setIndeterminateDrawable(
 195                 ContextCompat.getDrawable(this,
 196                         R.drawable.actionbar_progress_indeterminate_horizontal));
 197
 198         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 199         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 200         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 201         if (savedInstanceState == null) {
 202             createMinFragments();
 203         }
 204
 205         // Action bar setup
 206         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 207                                                                 // according to the official
 208                                                                 // documentation
 209
 210         // enable ActionBar app icon to behave as action to toggle nav drawer
 211         //getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 212         getSupportActionBar().setHomeButtonEnabled(true);
 213
 214         mProgressBar.setIndeterminate(mSyncInProgress);
 215         // always AFTER setContentView(...) ; to work around bug in its implementation
 216
 217         setBackgroundText();
 218
 219         Log_OC.v(TAG, "onCreate() end");
 220     }
 221
 222     @Override
 223     protected void onStart() {
 224         Log_OC.v(TAG, "onStart() start");
 225         super.onStart();
 226         Log_OC.v(TAG, "onStart() end");
 227     }
 228
 229     @Override
 230     protected void onDestroy() {
 231         Log_OC.v(TAG, "onDestroy() start");
 232         super.onDestroy();
 233         Log_OC.v(TAG, "onDestroy() end");
 234     }
 235
 236     /**
 237      * Called when the ownCloud {@link Account} associated to the Activity was just updated.
 238      */
 239     @Override
 240     protected void onAccountSet(boolean stateWasRecovered) {
 241         super.onAccountSet(stateWasRecovered);
 242         if (getAccount() != null) {
 243             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 244             // current Account
 245             OCFile file = getFile();
 246             // get parent from path
 247             String parentPath = "";
 248             if (file != null) {
 249                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 250                     // upload in progress - right now, files are not inserted in the local
 251                     // cache until the upload is successful get parent from path
 252                     parentPath = file.getRemotePath().substring(0,
 253                             file.getRemotePath().lastIndexOf(file.getFileName()));
 254                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 255                         file = null; // not able to know the directory where the file is uploading
 256                 } else {
 257                     file = getStorageManager().getFileByPath(file.getRemotePath());
 258                     // currentDir = null if not in the current Account
 259                 }
 260             }
 261             if (file == null) {
 262                 // fall back to root folder
 263                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 264             }
 265             setFile(file);
 266
 267             if (mAccountWasSet) {
 268                 setUsernameInDrawer((RelativeLayout) findViewById(R.id.left_drawer), getAccount());
 269             }
 270
 271             if (!stateWasRecovered) {
 272                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 273                 initFragmentsWithFile();
 274                 if (file.isFolder()) {
 275                     startSyncFolderOperation(file, false);
 276                 }
 277
 278             } else {
 279                 updateFragmentsVisibility(!file.isFolder());
 280                 updateActionBarTitleAndHomeButton(file.isFolder() ? null : file);
 281             }
 282         }
 283     }
 284
 285     private void createMinFragments() {
 286         OCFileListFragment listOfFiles = new OCFileListFragment();
 287         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 288         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 289         transaction.commit();
 290     }
 291
 292     private void initFragmentsWithFile() {
 293         if (getAccount() != null && getFile() != null) {
 294             /// First fragment
 295             OCFileListFragment listOfFiles = getListOfFilesFragment();
 296             if (listOfFiles != null) {
 297                 listOfFiles.listDirectory(getCurrentDir());
 298                 // TODO Enable when "On Device" is recovered
 299                 // listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 300
 301             } else {
 302                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 303             }
 304
 305             /// Second fragment
 306             OCFile file = getFile();
 307             Fragment secondFragment = chooseInitialSecondFragment(file);
 308             if (secondFragment != null) {
 309                 setSecondFragment(secondFragment);
 310                 updateFragmentsVisibility(true);
 311                 updateActionBarTitleAndHomeButton(file);
 312
 313             } else {
 314                 cleanSecondFragment();
 315                 if (file.isDown() && PreviewTextFragment.canBePreviewed(file))
 316                     startTextPreview(file);
 317             }
 318
 319         } else {
 320             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 321             if (getAccount() == null) {
 322                 Log_OC.wtf(TAG, "\t account is NULL");
 323             }
 324             if (getFile() == null) {
 325                 Log_OC.wtf(TAG, "\t file is NULL");
 326             }
 327         }
 328     }
 329
 330     private Fragment chooseInitialSecondFragment(OCFile file) {
 331         Fragment secondFragment = null;
 332         if (file != null && !file.isFolder()) {
 333             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 334                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 335                     ) {
 336                 int startPlaybackPosition =
 337                         getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 338                 boolean autoplay =
 339                         getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 340                 secondFragment = new PreviewMediaFragment(file, getAccount(),
 341                         startPlaybackPosition, autoplay);
 342
 343             } else if (file.isDown() && PreviewTextFragment.canBePreviewed(file)) {
 344                 secondFragment = null;
 345             } else {
 346             secondFragment = FileDetailFragment.newInstance(file, getAccount());
 347         }
 348         }
 349         return secondFragment;
 350     }
 351
 352
 353     /**
 354      * Replaces the second fragment managed by the activity with the received as
 355      * a parameter.
 356      * <p/>
 357      * Assumes never will be more than two fragments managed at the same time.
 358      *
 359      * @param fragment New second Fragment to set.
 360      */
 361     private void setSecondFragment(Fragment fragment) {
 362         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 363         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 364         transaction.commit();
 365     }
 366
 367
 368     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 369         if (mDualPane) {
 370             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 371                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 372             }
 373             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 374                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 375             }
 376
 377         } else if (existsSecondFragment) {
 378             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 379                 mLeftFragmentContainer.setVisibility(View.GONE);
 380             }
 381             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 382                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 383             }
 384
 385         } else {
 386             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 387                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 388             }
 389             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 390                 mRightFragmentContainer.setVisibility(View.GONE);
 391             }
 392         }
 393     }
 394
 395
 396     private OCFileListFragment getListOfFilesFragment() {
 397         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 398                 FileDisplayActivity.TAG_LIST_OF_FILES);
 399         if (listOfFiles != null) {
 400             return (OCFileListFragment) listOfFiles;
 401         }
 402         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 403         return null;
 404     }
 405
 406     public FileFragment getSecondFragment() {
 407         Fragment second = getSupportFragmentManager().findFragmentByTag(
 408                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 409         if (second != null) {
 410             return (FileFragment) second;
 411         }
 412         return null;
 413     }
 414
 415     protected void cleanSecondFragment() {
 416         Fragment second = getSecondFragment();
 417         if (second != null) {
 418             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 419             tr.remove(second);
 420             tr.commit();
 421         }
 422         updateFragmentsVisibility(false);
 423         updateActionBarTitleAndHomeButton(null);
 424     }
 425
 426     protected void refreshListOfFilesFragment() {
 427         OCFileListFragment fileListFragment = getListOfFilesFragment();
 428         if (fileListFragment != null) {
 429             fileListFragment.listDirectory();
 430             // TODO Enable when "On Device" is recovered ?
 431             // fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 432         }
 433     }
 434
 435     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath,
 436                                          boolean success) {
 437         FileFragment secondFragment = getSecondFragment();
 438         boolean waitedPreview = (mWaitingToPreview != null &&
 439                 mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 440         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 441             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 442             OCFile fileInFragment = detailsFragment.getFile();
 443             if (fileInFragment != null &&
 444                     !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 445                 // the user browsed to other file ; forget the automatic preview
 446                 mWaitingToPreview = null;
 447
 448             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 449                 // grant that the right panel updates the progress bar
 450                 detailsFragment.listenForTransferProgress();
 451                 detailsFragment.updateFileDetails(true, false);
 452
 453             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 454                 //  update the right panel
 455                 boolean detailsFragmentChanged = false;
 456                 if (waitedPreview) {
 457                     if (success) {
 458                         mWaitingToPreview = getStorageManager().getFileById(
 459                                 mWaitingToPreview.getFileId());   // update the file from database,
 460                                                                   // for the local storage path
 461                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 462                             startMediaPreview(mWaitingToPreview, 0, true);
 463                             detailsFragmentChanged = true;
 464                         } else if (PreviewTextFragment.canBePreviewed(mWaitingToPreview)) {
 465                             startTextPreview(mWaitingToPreview);
 466                             detailsFragmentChanged = true;
 467                         } else {
 468                             getFileOperationsHelper().openFile(mWaitingToPreview);
 469                         }
 470                     }
 471                     mWaitingToPreview = null;
 472                 }
 473                 if (!detailsFragmentChanged) {
 474                     detailsFragment.updateFileDetails(false, (success));
 475                 }
 476             }
 477         }
 478     }
 479
 480     @Override
 481     public boolean onPrepareOptionsMenu(Menu menu) {
 482         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 483         menu.findItem(R.id.action_upload).setVisible(!drawerOpen);
 484         menu.findItem(R.id.action_create_dir).setVisible(!drawerOpen);
 485         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 486         menu.findItem(R.id.action_sync_account).setVisible(!drawerOpen);
 487
 488         return super.onPrepareOptionsMenu(menu);
 489     }
 490
 491     @Override
 492     public boolean onCreateOptionsMenu(Menu menu) {
 493         MenuInflater inflater = getMenuInflater();
 494         inflater.inflate(R.menu.main_menu, menu);
 495         return true;
 496     }
 497
 498
 499     @Override
 500     public boolean onOptionsItemSelected(MenuItem item) {
 501         boolean retval = true;
 502         switch (item.getItemId()) {
 503             case R.id.action_create_dir: {
 504                 CreateFolderDialogFragment dialog =
 505                         CreateFolderDialogFragment.newInstance(getCurrentDir());
 506                 dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 507                 break;
 508             }
 509
 510             case R.id.action_sync_account: {
 511                 startSynchronization();
 512                 break;
 513             }
 514             case R.id.action_upload: {
 515                 UploadSourceDialogFragment dialog =
 516                         UploadSourceDialogFragment.newInstance(getAccount());
 517                 dialog.show(getSupportFragmentManager(), DIALOG_UPLOAD_SOURCE);
 518                 break;
 519             }
 520             case android.R.id.home: {
 521                 FileFragment second = getSecondFragment();
 522                 OCFile currentDir = getCurrentDir();
 523                 if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 524                     mDrawerLayout.closeDrawer(GravityCompat.START);
 525                 } else if((currentDir != null && currentDir.getParentId() != 0) ||
 526                         (second != null && second.getFile() != null)) {
 527                     onBackPressed();
 528
 529                 } else {
 530                     mDrawerLayout.openDrawer(GravityCompat.START);
 531                 }
 532                 break;
 533             }
 534             case R.id.action_sort: {
 535                 SharedPreferences appPreferences = PreferenceManager
 536                         .getDefaultSharedPreferences(this);
 537
 538                 // Read sorting order, default to sort by name ascending
 539                 Integer sortOrder = appPreferences
 540                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 541
 542                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 543                 builder.setTitle(R.string.actionbar_sort_title)
 544                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 545                                 new DialogInterface.OnClickListener() {
 546                             public void onClick(DialogInterface dialog, int which) {
 547                                 switch (which){
 548                                     case 0:
 549                                         sortByName(true);
 550                                         break;
 551                                     case 1:
 552                                         sortByDate(false);
 553                                         break;
 554                                 }
 555
 556                                 dialog.dismiss();
 557                             }
 558                         });
 559                 builder.create().show();
 560                 break;
 561             }
 562         default:
 563             retval = super.onOptionsItemSelected(item);
 564         }
 565         return retval;
 566     }
 567
 568     private void startSynchronization() {
 569         Log_OC.d(TAG, "Got to start sync");
 570         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 571             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 572             ContentResolver.cancelSync(null, MainApp.getAuthority());
 573             // cancel the current synchronizations of any ownCloud account
 574             Bundle bundle = new Bundle();
 575             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 576             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 577             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 578                     MainApp.getAuthority());
 579             ContentResolver.requestSync(
 580                     getAccount(),
 581                     MainApp.getAuthority(), bundle);
 582         } else {
 583             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 584                     MainApp.getAuthority() + " with new API");
 585             SyncRequest.Builder builder = new SyncRequest.Builder();
 586             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 587             builder.setExpedited(true);
 588             builder.setManual(true);
 589             builder.syncOnce();
 590
 591             // Fix bug in Android Lollipop when you click on refresh the whole account
 592             Bundle extras = new Bundle();
 593             builder.setExtras(extras);
 594
 595             SyncRequest request = builder.build();
 596             ContentResolver.requestSync(request);
 597         }
 598     }
 599
 600     /**
 601      * Called, when the user selected something for uploading
 602      *
 603      */
 604     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 605     @Override
 606     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 607
 608         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 609                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 610             //getClipData is only supported on api level 16+, Jelly Bean
 611             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 612                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 613                     Intent intent = new Intent();
 614                     intent.setData(data.getClipData().getItemAt(i).getUri());
 615                     requestSimpleUpload(intent, resultCode);
 616                 }
 617             }else {
 618                 requestSimpleUpload(data, resultCode);
 619             }
 620         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 621                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 622             requestMultipleUpload(data, resultCode);
 623
 624         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 625             final Intent fData = data;
 626             final int fResultCode = resultCode;
 627             getHandler().postDelayed(
 628                     new Runnable() {
 629                         @Override
 630                         public void run() {
 631                             requestMoveOperation(fData, fResultCode);
 632                         }
 633                     },
 634                     DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 635             );
 636
 637         } else if (requestCode == ACTION_COPY_FILES && resultCode == RESULT_OK) {
 638
 639             final Intent fData = data;
 640             final int fResultCode = resultCode;
 641             getHandler().postDelayed(
 642                     new Runnable() {
 643                         @Override
 644                         public void run() {
 645                             requestCopyOperation(fData, fResultCode);
 646                         }
 647                     },
 648                     DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 649             );
 650
 651         } else {
 652             super.onActivityResult(requestCode, resultCode, data);
 653         }
 654
 655     }
 656
 657     private void requestMultipleUpload(Intent data, int resultCode) {
 658         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 659         if (filePaths != null) {
 660             String[] remotePaths = new String[filePaths.length];
 661             String remotePathBase = getCurrentDir().getRemotePath();
 662             for (int j = 0; j< remotePaths.length; j++) {
 663                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 664             }
 665
 666             Intent i = new Intent(this, FileUploader.class);
 667             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 668             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 669             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 670             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 671             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 672                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 673             startService(i);
 674
 675         } else {
 676             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 677             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 678                     Toast.LENGTH_LONG);
 679             t.show();
 680             return;
 681         }
 682     }
 683
 684
 685     private void requestSimpleUpload(Intent data, int resultCode) {
 686         String filePath = null;
 687         String mimeType = null;
 688
 689         Uri selectedImageUri = data.getData();
 690
 691         try {
 692             mimeType = getContentResolver().getType(selectedImageUri);
 693
 694             String fileManagerString = selectedImageUri.getPath();
 695             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 696
 697             if (selectedImagePath != null)
 698                 filePath = selectedImagePath;
 699             else
 700                 filePath = fileManagerString;
 701
 702         } catch (Exception e) {
 703             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 704                     "Intent.ACTION_GET_CONTENT", e);
 705
 706         } finally {
 707             if (filePath == null) {
 708                 Log_OC.e(TAG, "Couldn't resolve path to file");
 709                 Toast t = Toast.makeText(
 710                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 711                         Toast.LENGTH_LONG
 712                 );
 713                 t.show();
 714                 return;
 715             }
 716         }
 717
 718         Intent i = new Intent(this, FileUploader.class);
 719         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 720         OCFile currentDir = getCurrentDir();
 721         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 722
 723         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 724             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 725             try {
 726                 if (cursor != null && cursor.moveToFirst()) {
 727                     String displayName = cursor.getString(cursor.getColumnIndex(
 728                             OpenableColumns.DISPLAY_NAME));
 729                     Log_OC.v(TAG, "Display Name: " + displayName );
 730
 731                     displayName.replace(File.separatorChar, '_');
 732                     displayName.replace(File.pathSeparatorChar, '_');
 733                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 734
 735                 }
 736                 // and what happens in case of error?; wrong target name for the upload
 737             } finally {
 738                 cursor.close();
 739             }
 740
 741         } else {
 742             remotePath += new File(filePath).getName();
 743         }
 744
 745         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 746         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 747         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 748         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 749         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 750         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 751         startService(i);
 752     }
 753
 754     /**
 755      * Request the operation for moving the file/folder from one path to another
 756      *
 757      * @param data       Intent received
 758      * @param resultCode Result code received
 759      */
 760     private void requestMoveOperation(Intent data, int resultCode) {
 761         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 762         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 763         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 764     }
 765
 766     /**
 767      * Request the operation for copying the file/folder from one path to another
 768      *
 769      * @param data       Intent received
 770      * @param resultCode Result code received
 771      */
 772     private void requestCopyOperation(Intent data, int resultCode) {
 773         OCFile folderToMoveAt = data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 774         OCFile targetFile = data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 775         getFileOperationsHelper().copyFile(folderToMoveAt, targetFile);
 776     }
 777
 778     @Override
 779     public void onBackPressed() {
 780         if (!isDrawerOpen()){
 781             OCFileListFragment listOfFiles = getListOfFilesFragment();
 782             if (mDualPane || getSecondFragment() == null) {
 783                 OCFile currentDir = getCurrentDir();
 784                 if (currentDir == null || currentDir.getParentId() == FileDataStorageManager.ROOT_PARENT_ID) {
 785                     finish();
 786                     return;
 787                 }
 788                 if (listOfFiles != null) {  // should never be null, indeed
 789                     listOfFiles.onBrowseUp();
 790                 }
 791             }
 792             if (listOfFiles != null) {  // should never be null, indeed
 793                 setFile(listOfFiles.getCurrentFile());
 794             }
 795             cleanSecondFragment();
 796         } else {
 797             super.onBackPressed();
 798         }
 799     }
 800
 801     @Override
 802     protected void onSaveInstanceState(Bundle outState) {
 803         // responsibility of restore is preferred in onCreate() before than in
 804         // onRestoreInstanceState when there are Fragments involved
 805         Log_OC.v(TAG, "onSaveInstanceState() start");
 806         super.onSaveInstanceState(outState);
 807         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 808         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 809         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 810         // mRefreshSharesInProgress);
 811         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 812
 813         Log_OC.v(TAG, "onSaveInstanceState() end");
 814     }
 815
 816
 817     @Override
 818     protected void onResume() {
 819         Log_OC.v(TAG, "onResume() start");
 820         super.onResume();
 821         // refresh Navigation Drawer account list
 822         mNavigationDrawerAdapter.updateAccountList();
 823
 824         // refresh list of files
 825         refreshListOfFilesFragment();
 826
 827         // Listen for sync messages
 828         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 829         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 830         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 831         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 832         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 833         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 834         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 835         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 836         // syncIntentFilter);
 837
 838         // Listen for upload messages
 839         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 840         mUploadFinishReceiver = new UploadFinishReceiver();
 841         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 842
 843         // Listen for download messages
 844         IntentFilter downloadIntentFilter = new IntentFilter(
 845                 FileDownloader.getDownloadAddedMessage());
 846         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 847         mDownloadFinishReceiver = new DownloadFinishReceiver();
 848         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 849
 850         Log_OC.v(TAG, "onResume() end");
 851
 852     }
 853
 854
 855     @Override
 856     protected void onPause() {
 857         Log_OC.v(TAG, "onPause() start");
 858         if (mSyncBroadcastReceiver != null) {
 859             unregisterReceiver(mSyncBroadcastReceiver);
 860             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 861             mSyncBroadcastReceiver = null;
 862         }
 863         if (mUploadFinishReceiver != null) {
 864             unregisterReceiver(mUploadFinishReceiver);
 865             mUploadFinishReceiver = null;
 866         }
 867         if (mDownloadFinishReceiver != null) {
 868             unregisterReceiver(mDownloadFinishReceiver);
 869             mDownloadFinishReceiver = null;
 870         }
 871
 872         super.onPause();
 873         Log_OC.v(TAG, "onPause() end");
 874     }
 875
 876
 877     private class SyncBroadcastReceiver extends BroadcastReceiver {
 878
 879         /**
 880          * {@link BroadcastReceiver} to enable syncing feedback in UI
 881          */
 882         @Override
 883         public void onReceive(Context context, Intent intent) {
 884             try {
 885                 String event = intent.getAction();
 886                 Log_OC.d(TAG, "Received broadcast " + event);
 887                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 888                 String synchFolderRemotePath =
 889                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 890                 RemoteOperationResult synchResult =
 891                         (RemoteOperationResult)intent.getSerializableExtra(
 892                                 FileSyncAdapter.EXTRA_RESULT);
 893                 boolean sameAccount = (getAccount() != null &&
 894                         accountName.equals(getAccount().name) && getStorageManager() != null);
 895
 896                 if (sameAccount) {
 897
 898                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 899                         mSyncInProgress = true;
 900
 901                     } else {
 902                         OCFile currentFile = (getFile() == null) ? null :
 903                                 getStorageManager().getFileByPath(getFile().getRemotePath());
 904                         OCFile currentDir = (getCurrentDir() == null) ? null :
 905                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 906
 907                         if (currentDir == null) {
 908                             // current folder was removed from the server
 909                             Toast.makeText( FileDisplayActivity.this,
 910                                             String.format(
 911                                                     getString(R.string.
 912                                                             sync_current_folder_was_removed),
 913                                                    synchFolderRemotePath),
 914                                             Toast.LENGTH_LONG)
 915                                 .show();
 916
 917                             browseToRoot();
 918
 919                         } else {
 920                             if (currentFile == null && !getFile().isFolder()) {
 921                                 // currently selected file was removed in the server, and now we
 922                                 // know it
 923                                 cleanSecondFragment();
 924                                 currentFile = currentDir;
 925                             }
 926
 927                             if (synchFolderRemotePath != null &&
 928                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 929                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 930                                 if (fileListFragment != null) {
 931                                     fileListFragment.listDirectory();
 932                                     // TODO Enable when "On Device" is recovered ?
 933                                     // fileListFragment.listDirectory(currentDir,
 934                                     // MainApp.getOnlyOnDevice());
 935                                 }
 936                             }
 937                             setFile(currentFile);
 938                         }
 939
 940                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 941                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
 942                                         .equals(event));
 943
 944                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 945                                     equals(event) &&/// TODO refactor and make common
 946
 947                                 synchResult != null && !synchResult.isSuccess() &&
 948                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED ||
 949                                         synchResult.isIdPRedirection() ||
 950                                         (synchResult.isException() && synchResult.getException()
 951                                                 instanceof AuthenticatorException))) {
 952
 953
 954                             try {
 955                                 OwnCloudClient client;
 956                                 OwnCloudAccount ocAccount =
 957                                         new OwnCloudAccount(getAccount(), context);
 958                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 959                                         removeClientFor(ocAccount));
 960                                 if (client != null) {
 961                                     OwnCloudCredentials cred = client.getCredentials();
 962                                     if (cred != null) {
 963                                         AccountManager am = AccountManager.get(context);
 964                                         if (cred.authTokenExpires()) {
 965                                             am.invalidateAuthToken(
 966                                                     getAccount().type,
 967                                                     cred.getAuthToken()
 968                                             );
 969                                         } else {
 970                                             am.clearPassword(getAccount());
 971                                         }
 972                                     }
 973                                 }
 974                                 requestCredentialsUpdate();
 975
 976                             } catch (AccountNotFoundException e) {
 977                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
 978                             }
 979
 980                         }
 981                     }
 982                     removeStickyBroadcast(intent);
 983                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 984                     mProgressBar.setIndeterminate(mSyncInProgress);
 985                     //mProgressBar.setVisibility((mSyncInProgress) ? View.VISIBLE : View.INVISIBLE);
 986                     //setSupportProgressBarIndeterminateVisibility(mSyncInProgress
 987                     /*|| mRefreshSharesInProgress*/ //);
 988
 989                     setBackgroundText();
 990
 991                 }
 992
 993                 if (synchResult != null) {
 994                     if (synchResult.getCode().equals(
 995                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 996                         mLastSslUntrustedServerResult = synchResult;
 997                     }
 998                 }
 999             } catch (RuntimeException e) {
1000                 // avoid app crashes after changing the serial id of RemoteOperationResult
1001                 // in owncloud library with broadcast notifications pending to process
1002                 removeStickyBroadcast(intent);
1003             }
1004         }
1005     }
1006
1007     /**
1008      * Show a text message on screen view for notifying user if content is
1009      * loading or folder is empty
1010      */
1011     private void setBackgroundText() {
1012         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1013         if (ocFileListFragment != null) {
1014             int message = R.string.file_list_loading;
1015             if (!mSyncInProgress) {
1016                 // In case file list is empty
1017                 message = R.string.file_list_empty;
1018             }
1019             ocFileListFragment.setMessageForEmptyList(getString(message));
1020         } else {
1021             Log_OC.e(TAG, "OCFileListFragment is null");
1022         }
1023     }
1024
1025     /**
1026      * Once the file upload has finished -> update view
1027      */
1028     private class UploadFinishReceiver extends BroadcastReceiver {
1029         /**
1030          * Once the file upload has finished -> update view
1031          *
1032          * @author David A. Velasco
1033          * {@link BroadcastReceiver} to enable upload feedback in UI
1034          */
1035         @Override
1036         public void onReceive(Context context, Intent intent) {
1037             try {
1038                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1039                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1040                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1041                 OCFile currentDir = getCurrentDir();
1042                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1043                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1044
1045                 if (sameAccount && isDescendant) {
1046                     refreshListOfFilesFragment();
1047                 }
1048
1049                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1050                         false);
1051                 boolean renamedInUpload = getFile().getRemotePath().
1052                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1053                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1054                         renamedInUpload;
1055                 FileFragment details = getSecondFragment();
1056                 boolean detailFragmentIsShown = (details != null &&
1057                         details instanceof FileDetailFragment);
1058
1059                 if (sameAccount && sameFile && detailFragmentIsShown) {
1060                     if (uploadWasFine) {
1061                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1062                     }
1063                     if (renamedInUpload) {
1064                         String newName = (new File(uploadedRemotePath)).getName();
1065                         Toast msg = Toast.makeText(
1066                                 context,
1067                                 String.format(
1068                                         getString(R.string.filedetails_renamed_in_upload_msg),
1069                                         newName),
1070                                 Toast.LENGTH_LONG);
1071                         msg.show();
1072                     }
1073                     if (uploadWasFine || getFile().fileExists()) {
1074                         ((FileDetailFragment) details).updateFileDetails(false, true);
1075                     } else {
1076                         cleanSecondFragment();
1077                     }
1078
1079                     // Force the preview if the file is an image or text file
1080                     if (uploadWasFine) {
1081                         OCFile ocFile = getFile();
1082                         if (PreviewImageFragment.canBePreviewed(ocFile))
1083                             startImagePreview(getFile());
1084                         else if (PreviewTextFragment.canBePreviewed(ocFile))
1085                             startTextPreview(ocFile);
1086                         // TODO what about other kind of previews?
1087                     }
1088                 }
1089
1090                 mProgressBar.setIndeterminate(false);
1091             } finally {
1092                 if (intent != null) {
1093                     removeStickyBroadcast(intent);
1094                 }
1095             }
1096
1097         }
1098
1099     }
1100
1101
1102     /**
1103      * Class waiting for broadcast events from the {@link FileDownloader} service.
1104      *
1105      * Updates the UI when a download is started or finished, provided that it is relevant for the
1106      * current folder.
1107      */
1108     private class DownloadFinishReceiver extends BroadcastReceiver {
1109
1110         //int refreshCounter = 0;
1111         @Override
1112         public void onReceive(Context context, Intent intent) {
1113             try {
1114                 boolean sameAccount = isSameAccount(context, intent);
1115                 String downloadedRemotePath =
1116                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1117                 boolean isDescendant = isDescendant(downloadedRemotePath);
1118
1119                 if (sameAccount && isDescendant) {
1120                     String linkedToRemotePath =
1121                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1122                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1123                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1124                         refreshListOfFilesFragment();
1125                     }
1126                     refreshSecondFragment(
1127                             intent.getAction(),
1128                             downloadedRemotePath,
1129                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1130                     );
1131                 }
1132
1133                 if (mWaitingToSend != null) {
1134                     mWaitingToSend =
1135                             getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1136                     if (mWaitingToSend.isDown()) {
1137                         sendDownloadedFile();
1138                     }
1139                 }
1140
1141             } finally {
1142                 if (intent != null) {
1143                     removeStickyBroadcast(intent);
1144                 }
1145             }
1146         }
1147
1148         private boolean isDescendant(String downloadedRemotePath) {
1149             OCFile currentDir = getCurrentDir();
1150             return (
1151                 currentDir != null &&
1152                 downloadedRemotePath != null &&
1153                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1154             );
1155         }
1156
1157         private boolean isAscendant(String linkedToRemotePath) {
1158             OCFile currentDir = getCurrentDir();
1159             return (
1160                 currentDir != null &&
1161                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1162             );
1163         }
1164
1165         private boolean isSameAccount(Context context, Intent intent) {
1166             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1167             return (accountName != null && getAccount() != null &&
1168                     accountName.equals(getAccount().name));
1169         }
1170     }
1171
1172
1173     public void browseToRoot() {
1174         OCFileListFragment listOfFiles = getListOfFilesFragment();
1175         if (listOfFiles != null) {  // should never be null, indeed
1176             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1177             listOfFiles.listDirectory(root);
1178             // TODO Enable when "On Device" is recovered ?
1179             // listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1180             setFile(listOfFiles.getCurrentFile());
1181             startSyncFolderOperation(root, false);
1182         }
1183         cleanSecondFragment();
1184     }
1185
1186
1187     /**
1188      * {@inheritDoc}
1189      * <p/>
1190      * Updates action bar and second fragment, if in dual pane mode.
1191      */
1192     @Override
1193     public void onBrowsedDownTo(OCFile directory) {
1194         setFile(directory);
1195         cleanSecondFragment();
1196         // Sync Folder
1197         startSyncFolderOperation(directory, false);
1198     }
1199
1200     /**
1201      * Shows the information of the {@link OCFile} received as a
1202      * parameter in the second fragment.
1203      *
1204      * @param file {@link OCFile} whose details will be shown
1205      */
1206     @Override
1207     public void showDetails(OCFile file) {
1208         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1209         setSecondFragment(detailFragment);
1210         updateFragmentsVisibility(true);
1211         updateActionBarTitleAndHomeButton(file);
1212         setFile(file);
1213     }
1214
1215     @Override
1216     protected void updateActionBarTitleAndHomeButton(OCFile chosenFile) {
1217         if (mDualPane) {
1218             // in dual pane mode, keep the focus of title an action bar in the current folder
1219             super.updateActionBarTitleAndHomeButton(getCurrentDir());
1220
1221         } else {
1222             super.updateActionBarTitleAndHomeButton(chosenFile);
1223         }
1224
1225     }
1226
1227     @Override
1228     protected ServiceConnection newTransferenceServiceConnection() {
1229         return new ListServiceConnection();
1230     }
1231
1232     /**
1233      * Defines callbacks for service binding, passed to bindService()
1234      */
1235     private class ListServiceConnection implements ServiceConnection {
1236
1237         @Override
1238         public void onServiceConnected(ComponentName component, IBinder service) {
1239             if (component.equals(new ComponentName(
1240                     FileDisplayActivity.this, FileDownloader.class))) {
1241                 Log_OC.d(TAG, "Download service connected");
1242                 mDownloaderBinder = (FileDownloaderBinder) service;
1243                 if (mWaitingToPreview != null)
1244                     if (getStorageManager() != null) {
1245                          // update the file
1246                         mWaitingToPreview =
1247                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1248                         if (!mWaitingToPreview.isDown()) {
1249                             requestForDownload();
1250                         }
1251                     }
1252
1253             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1254                     FileUploader.class))) {
1255                 Log_OC.d(TAG, "Upload service connected");
1256                 mUploaderBinder = (FileUploaderBinder) service;
1257             } else {
1258                 return;
1259             }
1260             // a new chance to get the mDownloadBinder through
1261             // getFileDownloadBinder() - THIS IS A MESS
1262             OCFileListFragment listOfFiles = getListOfFilesFragment();
1263             if (listOfFiles != null) {
1264                 listOfFiles.listDirectory();
1265                 // TODO Enable when "On Device" is recovered ?
1266                 // listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1267             }
1268             FileFragment secondFragment = getSecondFragment();
1269             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1270                 FileDetailFragment detailFragment = (FileDetailFragment) secondFragment;
1271                 detailFragment.listenForTransferProgress();
1272                 detailFragment.updateFileDetails(false, false);
1273             }
1274         }
1275
1276         @Override
1277         public void onServiceDisconnected(ComponentName component) {
1278             if (component.equals(new ComponentName(FileDisplayActivity.this,
1279                     FileDownloader.class))) {
1280                 Log_OC.d(TAG, "Download service disconnected");
1281                 mDownloaderBinder = null;
1282             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1283                     FileUploader.class))) {
1284                 Log_OC.d(TAG, "Upload service disconnected");
1285                 mUploaderBinder = null;
1286             }
1287         }
1288     }
1289
1290     @Override
1291     public void onSavedCertificate() {
1292         startSyncFolderOperation(getCurrentDir(), false);
1293     }
1294
1295
1296     @Override
1297     public void onFailedSavingCertificate() {
1298         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1299                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1300         );
1301         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1302     }
1303
1304     @Override
1305     public void onCancelCertificate() {
1306         // nothing to do
1307     }
1308
1309     /**
1310      * Updates the view associated to the activity after the finish of some operation over files
1311      * in the current account.
1312      *
1313      * @param operation Removal operation performed.
1314      * @param result    Result of the removal.
1315      */
1316     @Override
1317     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1318         super.onRemoteOperationFinish(operation, result);
1319
1320         if (operation instanceof RemoveFileOperation) {
1321             onRemoveFileOperationFinish((RemoveFileOperation) operation, result);
1322
1323         } else if (operation instanceof RenameFileOperation) {
1324             onRenameFileOperationFinish((RenameFileOperation) operation, result);
1325
1326         } else if (operation instanceof SynchronizeFileOperation) {
1327             onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
1328
1329         } else if (operation instanceof CreateFolderOperation) {
1330             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
1331
1332         } else if (operation instanceof CreateShareOperation) {
1333             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1334
1335         } else if (operation instanceof UnshareLinkOperation) {
1336             onUnshareLinkOperationFinish((UnshareLinkOperation) operation, result);
1337
1338         } else if (operation instanceof MoveFileOperation) {
1339             onMoveFileOperationFinish((MoveFileOperation) operation, result);
1340
1341         } else if (operation instanceof CopyFileOperation) {
1342             onCopyFileOperationFinish((CopyFileOperation) operation, result);
1343         }
1344
1345     }
1346     private void onCreateShareOperationFinish(CreateShareOperation operation,
1347                                               RemoteOperationResult result) {
1348         if (result.isSuccess()) {
1349             refreshShowDetails();
1350             refreshListOfFilesFragment();
1351         }
1352     }
1353
1354     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation,
1355                                               RemoteOperationResult result) {
1356         if (result.isSuccess()) {
1357             refreshShowDetails();
1358             refreshListOfFilesFragment();
1359
1360         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1361             cleanSecondFragment();
1362             refreshListOfFilesFragment();
1363         }
1364     }
1365
1366     private void refreshShowDetails() {
1367         FileFragment details = getSecondFragment();
1368         if (details != null) {
1369             OCFile file = details.getFile();
1370             if (file != null) {
1371                 file = getStorageManager().getFileByPath(file.getRemotePath());
1372                 if (details instanceof PreviewMediaFragment) {
1373                     // Refresh  OCFile of the fragment
1374                     ((PreviewMediaFragment) details).updateFile(file);
1375                 } else if (details instanceof PreviewTextFragment) {
1376                     // Refresh  OCFile of the fragment
1377                     ((PreviewTextFragment) details).updateFile(file);
1378                 } else {
1379                     showDetails(file);
1380                 }
1381             }
1382             invalidateOptionsMenu();
1383         }
1384     }
1385
1386     /**
1387      * Updates the view associated to the activity after the finish of an operation trying to
1388      * remove a file.
1389      *
1390      * @param operation     Removal operation performed.
1391      * @param result        Result of the removal.
1392      */
1393     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1394                                              RemoteOperationResult result) {
1395         dismissLoadingDialog();
1396
1397         Toast msg = Toast.makeText(this,
1398                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1399                 Toast.LENGTH_LONG);
1400         msg.show();
1401
1402         if (result.isSuccess()) {
1403             OCFile removedFile = operation.getFile();
1404             FileFragment second = getSecondFragment();
1405             if (second != null && removedFile.equals(second.getFile())) {
1406                 if (second instanceof PreviewMediaFragment) {
1407                     ((PreviewMediaFragment) second).stopPreview(true);
1408                 }
1409                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1410                 cleanSecondFragment();
1411             }
1412             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())){
1413                 refreshListOfFilesFragment();
1414             }
1415             invalidateOptionsMenu();
1416         } else {
1417             if (result.isSslRecoverableException()) {
1418                 mLastSslUntrustedServerResult = result;
1419                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1420             }
1421         }
1422     }
1423
1424
1425     /**
1426      * Updates the view associated to the activity after the finish of an operation trying to move a
1427      * file.
1428      *
1429      * @param operation Move operation performed.
1430      * @param result    Result of the move operation.
1431      */
1432     private void onMoveFileOperationFinish(MoveFileOperation operation,
1433                                            RemoteOperationResult result) {
1434         if (result.isSuccess()) {
1435             dismissLoadingDialog();
1436             refreshListOfFilesFragment();
1437         } else {
1438             dismissLoadingDialog();
1439             try {
1440                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1441                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1442                         Toast.LENGTH_LONG);
1443                 msg.show();
1444
1445             } catch (NotFoundException e) {
1446                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1447             }
1448         }
1449     }
1450
1451     /**
1452      * Updates the view associated to the activity after the finish of an operation trying to copy a
1453      * file.
1454      *
1455      * @param operation Copy operation performed.
1456      * @param result    Result of the copy operation.
1457      */
1458     private void onCopyFileOperationFinish(CopyFileOperation operation, RemoteOperationResult result) {
1459         if (result.isSuccess()) {
1460             dismissLoadingDialog();
1461             refreshListOfFilesFragment();
1462         } else {
1463             dismissLoadingDialog();
1464             try {
1465                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1466                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1467                         Toast.LENGTH_LONG);
1468                 msg.show();
1469
1470             } catch (NotFoundException e) {
1471                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1472             }
1473         }
1474     }
1475
1476     /**
1477      * Updates the view associated to the activity after the finish of an operation trying to rename
1478      * a file.
1479      *
1480      * @param operation     Renaming operation performed.
1481      * @param result        Result of the renaming.
1482      */
1483     private void onRenameFileOperationFinish(RenameFileOperation operation,
1484                                              RemoteOperationResult result) {
1485         dismissLoadingDialog();
1486         OCFile renamedFile = operation.getFile();
1487         if (result.isSuccess()) {
1488             FileFragment details = getSecondFragment();
1489             if (details != null) {
1490                 if (details instanceof FileDetailFragment &&
1491                         renamedFile.equals(details.getFile()) ) {
1492                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1493                     showDetails(renamedFile);
1494
1495                 } else if (details instanceof PreviewMediaFragment &&
1496                         renamedFile.equals(details.getFile())) {
1497                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1498                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1499                         int position = ((PreviewMediaFragment) details).getPosition();
1500                         startMediaPreview(renamedFile, position, true);
1501                     } else {
1502                         getFileOperationsHelper().openFile(renamedFile);
1503                     }
1504                 } else if (details instanceof PreviewTextFragment &&
1505                         renamedFile.equals(details.getFile())) {
1506                     ((PreviewTextFragment) details).updateFile(renamedFile);
1507                     if (PreviewTextFragment.canBePreviewed(renamedFile)) {
1508                         startTextPreview(renamedFile);
1509                     } else {
1510                         getFileOperationsHelper().openFile(renamedFile);
1511                     }
1512                 }
1513             }
1514
1515             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1516                 refreshListOfFilesFragment();
1517             }
1518
1519         } else {
1520             Toast msg = Toast.makeText(this,
1521                     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,
1533                                                   RemoteOperationResult result) {
1534         if (result.isSuccess()) {
1535             if (operation.transferWasRequested()) {
1536                 OCFile syncedFile = operation.getLocalFile();
1537                 onTransferStateChanged(syncedFile, true, true);
1538                 invalidateOptionsMenu();
1539             }
1540         }
1541     }
1542
1543     /**
1544      * Updates the view associated to the activity after the finish of an operation trying create a
1545      * new folder
1546      *
1547      * @param operation     Creation operation performed.
1548      * @param result        Result of the creation.
1549      */
1550     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1551                                                RemoteOperationResult result) {
1552         if (result.isSuccess()) {
1553             dismissLoadingDialog();
1554             refreshListOfFilesFragment();
1555         } else {
1556             dismissLoadingDialog();
1557             try {
1558                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1559                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1560                         Toast.LENGTH_LONG);
1561                 msg.show();
1562
1563             } catch (NotFoundException e) {
1564                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1565             }
1566         }
1567     }
1568
1569
1570     /**
1571      * {@inheritDoc}
1572      */
1573     @Override
1574     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1575         refreshListOfFilesFragment();
1576         FileFragment details = getSecondFragment();
1577         if (details != null && details instanceof FileDetailFragment &&
1578                 file.equals(details.getFile()) ) {
1579             if (downloading || uploading) {
1580                 ((FileDetailFragment) details).updateFileDetails(file, getAccount());
1581             } else {
1582                 if (!file.fileExists()) {
1583                     cleanSecondFragment();
1584                 } else {
1585                     ((FileDetailFragment) details).updateFileDetails(false, true);
1586                 }
1587             }
1588         }
1589
1590     }
1591
1592
1593     private void requestForDownload() {
1594         Account account = getAccount();
1595         //if (!mWaitingToPreview.isDownloading()) {
1596         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1597             Intent i = new Intent(this, FileDownloader.class);
1598             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1599             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1600             startService(i);
1601         }
1602     }
1603
1604
1605     private OCFile getCurrentDir() {
1606         OCFile file = getFile();
1607         if (file != null) {
1608             if (file.isFolder()) {
1609                 return file;
1610             } else if (getStorageManager() != null) {
1611                 String parentPath = file.getRemotePath().substring(0,
1612                         file.getRemotePath().lastIndexOf(file.getFileName()));
1613                 return getStorageManager().getFileByPath(parentPath);
1614             }
1615         }
1616         return null;
1617     }
1618
1619     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1620         long currentSyncTime = System.currentTimeMillis();
1621
1622         mSyncInProgress = true;
1623
1624         // perform folder synchronization
1625         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1626                 currentSyncTime,
1627                 false,
1628                 getFileOperationsHelper().isSharedSupported(),
1629                 ignoreETag,
1630                 getStorageManager(),
1631                 getAccount(),
1632                 getApplicationContext()
1633         );
1634         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1635
1636         mProgressBar.setIndeterminate(true);
1637
1638         setBackgroundText();
1639     }
1640
1641     /**
1642      * Show untrusted cert dialog
1643      */
1644     public void showUntrustedCertDialog(RemoteOperationResult result) {
1645         // Show a dialog with the certificate info
1646         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1647                 (CertificateCombinedException) result.getException());
1648         FragmentManager fm = getSupportFragmentManager();
1649         FragmentTransaction ft = fm.beginTransaction();
1650         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1651     }
1652
1653     private void requestForDownload(OCFile file) {
1654         Account account = getAccount();
1655         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1656             Intent i = new Intent(this, FileDownloader.class);
1657             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1658             i.putExtra(FileDownloader.EXTRA_FILE, file);
1659             startService(i);
1660         }
1661     }
1662
1663     private void sendDownloadedFile() {
1664         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1665         mWaitingToSend = null;
1666     }
1667
1668
1669     /**
1670      * Requests the download of the received {@link OCFile} , updates the UI
1671      * to monitor the download progress and prepares the activity to send the file
1672      * when the download finishes.
1673      *
1674      * @param file {@link OCFile} to download and preview.
1675      */
1676     public void startDownloadForSending(OCFile file) {
1677         mWaitingToSend = file;
1678         requestForDownload(mWaitingToSend);
1679         boolean hasSecondFragment = (getSecondFragment() != null);
1680         updateFragmentsVisibility(hasSecondFragment);
1681     }
1682
1683     /**
1684      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1685      *
1686      * @param file Image {@link OCFile} to show.
1687      */
1688     public void startImagePreview(OCFile file) {
1689         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1690         showDetailsIntent.putExtra(EXTRA_FILE, file);
1691         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1692         startActivity(showDetailsIntent);
1693     }
1694
1695     /**
1696      * Stars the preview of an already down media {@link OCFile}.
1697      *
1698      * @param file                      Media {@link OCFile} to preview.
1699      * @param startPlaybackPosition     Media position where the playback will be started,
1700      *                                  in milliseconds.
1701      * @param autoplay                  When 'true', the playback will start without user
1702      *                                  interactions.
1703      */
1704     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1705         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1706                 autoplay);
1707         setSecondFragment(mediaFragment);
1708         updateFragmentsVisibility(true);
1709         updateActionBarTitleAndHomeButton(file);
1710         setFile(file);
1711     }
1712
1713     /**
1714      * Stars the preview of a text file {@link OCFile}.
1715      *
1716      * @param file Text {@link OCFile} to preview.
1717      */
1718     public void startTextPreview(OCFile file) {
1719         Bundle args = new Bundle();
1720         args.putParcelable(EXTRA_FILE, file);
1721         args.putParcelable(EXTRA_ACCOUNT, getAccount());
1722         Fragment textPreviewFragment = Fragment.instantiate(getApplicationContext(),
1723                 PreviewTextFragment.class.getName(), args);
1724         setSecondFragment(textPreviewFragment);
1725         updateFragmentsVisibility(true);
1726         //updateNavigationElementsInActionBar(file);
1727         setFile(file);
1728     }
1729
1730     /**
1731      * Requests the download of the received {@link OCFile} , updates the UI
1732      * to monitor the download progress and prepares the activity to preview
1733      * or open the file when the download finishes.
1734      *
1735      * @param file {@link OCFile} to download and preview.
1736      */
1737     public void startDownloadForPreview(OCFile file) {
1738         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1739         setSecondFragment(detailFragment);
1740         mWaitingToPreview = file;
1741         requestForDownload();
1742         updateFragmentsVisibility(true);
1743         updateActionBarTitleAndHomeButton(file);
1744         setFile(file);
1745     }
1746
1747
1748     public void cancelTransference(OCFile file) {
1749         getFileOperationsHelper().cancelTransference(file);
1750         if (mWaitingToPreview != null &&
1751                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1752             mWaitingToPreview = null;
1753         }
1754         if (mWaitingToSend != null &&
1755                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1756             mWaitingToSend = null;
1757         }
1758         onTransferStateChanged(file, false, false);
1759     }
1760
1761     @Override
1762     public void onRefresh(boolean ignoreETag) {
1763         refreshList(ignoreETag);
1764     }
1765
1766     @Override
1767     public void onRefresh() {
1768         refreshList(true);
1769     }
1770
1771     private void refreshList(boolean ignoreETag) {
1772         OCFileListFragment listOfFiles = getListOfFilesFragment();
1773         if (listOfFiles != null) {
1774             OCFile folder = listOfFiles.getCurrentFile();
1775             if (folder != null) {
1776                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1777                 listDirectory(mFile);*/
1778                 startSyncFolderOperation(folder, ignoreETag);
1779             }
1780         }
1781     }
1782
1783     private void sortByDate(boolean ascending) {
1784         getListOfFilesFragment().sortByDate(ascending);
1785     }
1786
1787     private void sortBySize(boolean ascending) {
1788         getListOfFilesFragment().sortBySize(ascending);
1789     }
1790
1791     private void sortByName(boolean ascending) {
1792         getListOfFilesFragment().sortByName(ascending);
1793     }
1794
1795    public void allFilesOption() {
1796        browseToRoot();
1797    }
1798 }