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.content.BroadcastReceiver;
  30 import android.content.ComponentName;
  31 import android.content.ContentResolver;
  32 import android.content.Context;
  33 import android.content.DialogInterface;
  34 import android.content.Intent;
  35 import android.content.IntentFilter;
  36 import android.content.ServiceConnection;
  37 import android.content.SharedPreferences;
  38 import android.content.SyncRequest;
  39 import android.content.res.Resources.NotFoundException;
  40 import android.database.Cursor;
  41 import android.net.Uri;
  42 import android.os.Build;
  43 import android.os.Bundle;
  44 import android.os.IBinder;
  45 import android.preference.PreferenceManager;
  46 import android.provider.OpenableColumns;
  47 import android.support.v4.app.Fragment;
  48 import android.support.v4.app.FragmentManager;
  49 import android.support.v4.app.FragmentTransaction;
  50 import android.support.v4.content.ContextCompat;
  51 import android.support.v4.view.GravityCompat;
  52 import android.support.v7.app.AlertDialog;
  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.MoveFileOperation;
  83 import com.owncloud.android.operations.RefreshFolderOperation;
  84 import com.owncloud.android.operations.RemoveFileOperation;
  85 import com.owncloud.android.operations.RenameFileOperation;
  86 import com.owncloud.android.operations.SynchronizeFileOperation;
  87 import com.owncloud.android.services.observer.FileObserverService;
  88 import com.owncloud.android.syncadapter.FileSyncAdapter;
  89 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  90 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  91 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  92 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  93 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
  94 import com.owncloud.android.ui.fragment.FileDetailFragment;
  95 import com.owncloud.android.ui.fragment.FileFragment;
  96 import com.owncloud.android.ui.fragment.OCFileListFragment;
  97 import com.owncloud.android.ui.preview.PreviewImageActivity;
  98 import com.owncloud.android.ui.preview.PreviewImageFragment;
  99 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 100 import com.owncloud.android.ui.preview.PreviewTextFragment;
 101 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 102 import com.owncloud.android.utils.DisplayUtils;
 103 import com.owncloud.android.utils.ErrorMessageAdapter;
 104 import com.owncloud.android.utils.FileStorageUtils;
 105 import com.owncloud.android.utils.UriUtils;
 106
 107 import java.io.File;
 108
 109 /**
 110  * Displays, what files the user has available in his ownCloud.
 111  */
 112
 113 public class FileDisplayActivity extends HookActivity
 114         implements FileFragment.ContainerActivity,
 115         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 116
 117     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 118     private UploadFinishReceiver mUploadFinishReceiver;
 119     private DownloadFinishReceiver mDownloadFinishReceiver;
 120     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 121
 122     private boolean mDualPane;
 123     private View mLeftFragmentContainer;
 124     private View mRightFragmentContainer;
 125     private ProgressBar mProgressBar;
 126
 127     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 128     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 129     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 130
 131     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 132
 133     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 134     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 135     public static final int ACTION_MOVE_FILES = 3;
 136     public static final int ACTION_COPY_FILES = 4;
 137
 138     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 139
 140     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 141     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 142
 143     private OCFile mWaitingToPreview;
 144
 145     private boolean mSyncInProgress = false;
 146
 147     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 148     public static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 149     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 150     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 151
 152     private OCFile mWaitingToSend;
 153
 154
 155     @Override
 156     protected void onCreate(Bundle savedInstanceState) {
 157         Log_OC.v(TAG, "onCreate() start");
 158
 159         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account
 160                                             // is valid
 161
 162         /// grant that FileObserverService is watching favorite files
 163         if (savedInstanceState == null) {
 164             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 165             startService(initObserversIntent);
 166         }
 167
 168         /// Load of saved instance state
 169         if(savedInstanceState != null) {
 170             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(
 171                     FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 172             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 173             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(
 174                     FileDisplayActivity.KEY_WAITING_TO_SEND);
 175         } else {
 176             mWaitingToPreview = null;
 177             mSyncInProgress = false;
 178             mWaitingToSend = null;
 179         }
 180
 181         /// USER INTERFACE
 182
 183         // Inflate and set the layout view
 184         setContentView(R.layout.files);
 185
 186         // Navigation Drawer
 187         initDrawer();
 188
 189         mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
 190         mProgressBar.setIndeterminateDrawable(
 191                 ContextCompat.getDrawable(this,
 192                         R.drawable.actionbar_progress_indeterminate_horizontal));
 193
 194         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 195         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 196         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 197         if (savedInstanceState == null) {
 198             createMinFragments();
 199         }
 200
 201         // Action bar setup
 202         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 203                                                                 // according to the official
 204                                                                 // documentation
 205
 206         // enable ActionBar app icon to behave as action to toggle nav drawer
 207         //getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 208         getSupportActionBar().setHomeButtonEnabled(true);
 209
 210         mProgressBar.setIndeterminate(mSyncInProgress);
 211         // always AFTER setContentView(...) ; to work around bug in its implementation
 212
 213         setBackgroundText();
 214
 215         Log_OC.v(TAG, "onCreate() end");
 216     }
 217
 218     @Override
 219     protected void onStart() {
 220         Log_OC.v(TAG, "onStart() start");
 221         super.onStart();
 222         Log_OC.v(TAG, "onStart() end");
 223     }
 224
 225     @Override
 226     protected void onStop() {
 227         Log_OC.v(TAG, "onStop() start");
 228         super.onStop();
 229         Log_OC.v(TAG, "onStop() end");
 230     }
 231
 232     @Override
 233     protected void onDestroy() {
 234         Log_OC.v(TAG, "onDestroy() start");
 235         super.onDestroy();
 236         Log_OC.v(TAG, "onDestroy() end");
 237     }
 238
 239     /**
 240      * Called when the ownCloud {@link Account} associated to the Activity was just updated.
 241      */
 242     @Override
 243     protected void onAccountSet(boolean stateWasRecovered) {
 244         super.onAccountSet(stateWasRecovered);
 245         if (getAccount() != null) {
 246             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 247             // current Account
 248             OCFile file = getFile();
 249             // get parent from path
 250             String parentPath = "";
 251             if (file != null) {
 252                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 253                     // upload in progress - right now, files are not inserted in the local
 254                     // cache until the upload is successful get parent from path
 255                     parentPath = file.getRemotePath().substring(0,
 256                             file.getRemotePath().lastIndexOf(file.getFileName()));
 257                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 258                         file = null; // not able to know the directory where the file is uploading
 259                 } else {
 260                     file = getStorageManager().getFileByPath(file.getRemotePath());
 261                     // currentDir = null if not in the current Account
 262                 }
 263             }
 264             if (file == null) {
 265                 // fall back to root folder
 266                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 267             }
 268             setFile(file);
 269
 270             if (mAccountWasSet) {
 271                 setUsernameInDrawer((RelativeLayout) findViewById(R.id.left_drawer), getAccount());
 272             }
 273
 274             if (!stateWasRecovered) {
 275                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 276                 initFragmentsWithFile();
 277                 if (file.isFolder()) {
 278                     startSyncFolderOperation(file, false);
 279                 }
 280
 281             } else {
 282                 updateFragmentsVisibility(!file.isFolder());
 283                 updateActionBarTitleAndHomeButton(file.isFolder() ? null : file);
 284             }
 285         }
 286     }
 287
 288     private void createMinFragments() {
 289         OCFileListFragment listOfFiles = new OCFileListFragment();
 290         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 291         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 292         transaction.commit();
 293     }
 294
 295     private void initFragmentsWithFile() {
 296         if (getAccount() != null && getFile() != null) {
 297             /// First fragment
 298             OCFileListFragment listOfFiles = getListOfFilesFragment();
 299             if (listOfFiles != null) {
 300                 listOfFiles.listDirectory(getCurrentDir());
 301                 // TODO Enable when "On Device" is recovered
 302                 // listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 303
 304             } else {
 305                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 306             }
 307
 308             /// Second fragment
 309             OCFile file = getFile();
 310             Fragment secondFragment = chooseInitialSecondFragment(file);
 311             if (secondFragment != null) {
 312                 setSecondFragment(secondFragment);
 313                 updateFragmentsVisibility(true);
 314                 updateActionBarTitleAndHomeButton(file);
 315
 316             } else {
 317                 cleanSecondFragment();
 318                 if (file.isDown() && PreviewTextFragment.canBePreviewed(file))
 319                     startTextPreview(file);
 320             }
 321
 322         } else {
 323             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 324             if (getAccount() == null) {
 325                 Log_OC.wtf(TAG, "\t account is NULL");
 326             }
 327             if (getFile() == null) {
 328                 Log_OC.wtf(TAG, "\t file is NULL");
 329             }
 330         }
 331     }
 332
 333     private Fragment chooseInitialSecondFragment(OCFile file) {
 334         Fragment secondFragment = null;
 335         if (file != null && !file.isFolder()) {
 336             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 337                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 338                     ) {
 339                 int startPlaybackPosition =
 340                         getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 341                 boolean autoplay =
 342                         getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 343                 secondFragment = new PreviewMediaFragment(file, getAccount(),
 344                         startPlaybackPosition, autoplay);
 345
 346             } else if (file.isDown() && PreviewTextFragment.canBePreviewed(file)) {
 347                 secondFragment = null;
 348             } else {
 349             secondFragment = FileDetailFragment.newInstance(file, getAccount());
 350         }
 351         }
 352         return secondFragment;
 353     }
 354
 355
 356     /**
 357      * Replaces the second fragment managed by the activity with the received as
 358      * a parameter.
 359      * <p/>
 360      * Assumes never will be more than two fragments managed at the same time.
 361      *
 362      * @param fragment New second Fragment to set.
 363      */
 364     private void setSecondFragment(Fragment fragment) {
 365         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 366         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 367         transaction.commit();
 368     }
 369
 370
 371     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 372         if (mDualPane) {
 373             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 374                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 375             }
 376             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 377                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 378             }
 379
 380         } else if (existsSecondFragment) {
 381             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 382                 mLeftFragmentContainer.setVisibility(View.GONE);
 383             }
 384             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 385                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 386             }
 387
 388         } else {
 389             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 390                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 391             }
 392             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 393                 mRightFragmentContainer.setVisibility(View.GONE);
 394             }
 395         }
 396     }
 397
 398
 399     private OCFileListFragment getListOfFilesFragment() {
 400         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 401                 FileDisplayActivity.TAG_LIST_OF_FILES);
 402         if (listOfFiles != null) {
 403             return (OCFileListFragment) listOfFiles;
 404         }
 405         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 406         return null;
 407     }
 408
 409     public FileFragment getSecondFragment() {
 410         Fragment second = getSupportFragmentManager().findFragmentByTag(
 411                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 412         if (second != null) {
 413             return (FileFragment) second;
 414         }
 415         return null;
 416     }
 417
 418     protected void cleanSecondFragment() {
 419         Fragment second = getSecondFragment();
 420         if (second != null) {
 421             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 422             tr.remove(second);
 423             tr.commit();
 424         }
 425         updateFragmentsVisibility(false);
 426         updateActionBarTitleAndHomeButton(null);
 427     }
 428
 429     protected void refreshListOfFilesFragment() {
 430         OCFileListFragment fileListFragment = getListOfFilesFragment();
 431         if (fileListFragment != null) {
 432             fileListFragment.listDirectory();
 433             // TODO Enable when "On Device" is recovered ?
 434             // fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 435         }
 436     }
 437
 438     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath,
 439                                          boolean success) {
 440         FileFragment secondFragment = getSecondFragment();
 441         boolean waitedPreview = (mWaitingToPreview != null &&
 442                 mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 443         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 444             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 445             OCFile fileInFragment = detailsFragment.getFile();
 446             if (fileInFragment != null &&
 447                     !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 448                 // the user browsed to other file ; forget the automatic preview
 449                 mWaitingToPreview = null;
 450
 451             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 452                 // grant that the right panel updates the progress bar
 453                 detailsFragment.listenForTransferProgress();
 454                 detailsFragment.updateFileDetails(true, false);
 455
 456             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 457                 //  update the right panel
 458                 boolean detailsFragmentChanged = false;
 459                 if (waitedPreview) {
 460                     if (success) {
 461                         mWaitingToPreview = getStorageManager().getFileById(
 462                                 mWaitingToPreview.getFileId());   // update the file from database,
 463                                                                   // for the local storage path
 464                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 465                             startMediaPreview(mWaitingToPreview, 0, true);
 466                             detailsFragmentChanged = true;
 467                         } else if (PreviewTextFragment.canBePreviewed(mWaitingToPreview)) {
 468                             startTextPreview(mWaitingToPreview);
 469                             detailsFragmentChanged = true;
 470                         } else {
 471                             getFileOperationsHelper().openFile(mWaitingToPreview);
 472                         }
 473                     }
 474                     mWaitingToPreview = null;
 475                 }
 476                 if (!detailsFragmentChanged) {
 477                     detailsFragment.updateFileDetails(false, (success));
 478                 }
 479             }
 480         }
 481     }
 482
 483     @Override
 484     public boolean onPrepareOptionsMenu(Menu menu) {
 485         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 486         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 487         menu.findItem(R.id.action_sync_account).setVisible(!drawerOpen);
 488
 489         return super.onPrepareOptionsMenu(menu);
 490     }
 491
 492     @Override
 493     public boolean onCreateOptionsMenu(Menu menu) {
 494         MenuInflater inflater = getMenuInflater();
 495         inflater.inflate(R.menu.main_menu, menu);
 496         menu.findItem(R.id.action_create_dir).setVisible(false);
 497         return true;
 498     }
 499
 500
 501     @Override
 502     public boolean onOptionsItemSelected(MenuItem item) {
 503         boolean retval = true;
 504         switch (item.getItemId()) {
 505             case R.id.action_sync_account: {
 506                 startSynchronization();
 507                 break;
 508             }
 509             case android.R.id.home: {
 510                 FileFragment second = getSecondFragment();
 511                 OCFile currentDir = getCurrentDir();
 512                 if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 513                     mDrawerLayout.closeDrawer(GravityCompat.START);
 514                 } else if((currentDir != null && currentDir.getParentId() != 0) ||
 515                         (second != null && second.getFile() != null)) {
 516                     onBackPressed();
 517
 518                 } else {
 519                     mDrawerLayout.openDrawer(GravityCompat.START);
 520                 }
 521                 break;
 522             }
 523             case R.id.action_sort: {
 524                 SharedPreferences appPreferences = PreferenceManager
 525                         .getDefaultSharedPreferences(this);
 526
 527                 // Read sorting order, default to sort by name ascending
 528                 Integer sortOrder = appPreferences
 529                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 530
 531                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 532                 builder.setTitle(R.string.actionbar_sort_title)
 533                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 534                                 new DialogInterface.OnClickListener() {
 535                             public void onClick(DialogInterface dialog, int which) {
 536                                 switch (which){
 537                                     case 0:
 538                                         sortByName(true);
 539                                         break;
 540                                     case 1:
 541                                         sortByDate(false);
 542                                         break;
 543                                 }
 544
 545                                 dialog.dismiss();
 546                             }
 547                         });
 548                 builder.create().show();
 549                 break;
 550             }
 551         default:
 552             retval = super.onOptionsItemSelected(item);
 553         }
 554         return retval;
 555     }
 556
 557     public void createFolder() {
 558         CreateFolderDialogFragment dialog =
 559                 CreateFolderDialogFragment.newInstance(getCurrentDir());
 560         dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 561     }
 562
 563     public void uploadLocalFilesSelected() {
 564         Intent action = new Intent(this, UploadFilesActivity.class);
 565         action.putExtra(
 566                 UploadFilesActivity.EXTRA_ACCOUNT,
 567                 getAccount()
 568         );
 569         startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 570     }
 571
 572     public void uploadFromOtherAppsSelected() {
 573         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 574         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 575         //Intent.EXTRA_ALLOW_MULTIPLE is only supported on api level 18+, Jelly Bean
 576         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 577             action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 578         }
 579         startActivityForResult(
 580                 Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 581                 ACTION_SELECT_CONTENT_FROM_APPS
 582         );
 583     }
 584
 585     private void startSynchronization() {
 586         Log_OC.d(TAG, "Got to start sync");
 587         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 588             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 589             ContentResolver.cancelSync(null, MainApp.getAuthority());
 590             // cancel the current synchronizations of any ownCloud account
 591             Bundle bundle = new Bundle();
 592             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 593             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 594             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 595                     MainApp.getAuthority());
 596             ContentResolver.requestSync(
 597                     getAccount(),
 598                     MainApp.getAuthority(), bundle);
 599         } else {
 600             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 601                     MainApp.getAuthority() + " with new API");
 602             SyncRequest.Builder builder = new SyncRequest.Builder();
 603             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 604             builder.setExpedited(true);
 605             builder.setManual(true);
 606             builder.syncOnce();
 607
 608             // Fix bug in Android Lollipop when you click on refresh the whole account
 609             Bundle extras = new Bundle();
 610             builder.setExtras(extras);
 611
 612             SyncRequest request = builder.build();
 613             ContentResolver.requestSync(request);
 614         }
 615     }
 616
 617     /**
 618      * Called, when the user selected something for uploading
 619      *
 620      */
 621     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 622     @Override
 623     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 624
 625         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 626                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 627             //getClipData is only supported on api level 16+, Jelly Bean
 628             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 629                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 630                     Intent intent = new Intent();
 631                     intent.setData(data.getClipData().getItemAt(i).getUri());
 632                     requestSimpleUpload(intent, resultCode);
 633                 }
 634             }else {
 635                 requestSimpleUpload(data, resultCode);
 636             }
 637         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 638                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 639             requestMultipleUpload(data, resultCode);
 640
 641         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 642             final Intent fData = data;
 643             final int fResultCode = resultCode;
 644             getHandler().postDelayed(
 645                     new Runnable() {
 646                         @Override
 647                         public void run() {
 648                             requestMoveOperation(fData, fResultCode);
 649                         }
 650                     },
 651                     DELAY_TO_REQUEST_OPERATIONS_LATER
 652             );
 653
 654         } else if (requestCode == ACTION_COPY_FILES && resultCode == RESULT_OK) {
 655
 656             final Intent fData = data;
 657             final int fResultCode = resultCode;
 658             getHandler().postDelayed(
 659                     new Runnable() {
 660                         @Override
 661                         public void run() {
 662                             requestCopyOperation(fData, fResultCode);
 663                         }
 664                     },
 665                     DELAY_TO_REQUEST_OPERATIONS_LATER
 666             );
 667
 668         } else {
 669             super.onActivityResult(requestCode, resultCode, data);
 670         }
 671
 672     }
 673
 674     private void requestMultipleUpload(Intent data, int resultCode) {
 675         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 676         if (filePaths != null) {
 677             String[] remotePaths = new String[filePaths.length];
 678             String remotePathBase = getCurrentDir().getRemotePath();
 679             for (int j = 0; j< remotePaths.length; j++) {
 680                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 681             }
 682
 683             Intent i = new Intent(this, FileUploader.class);
 684             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 685             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 686             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 687             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 688             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 689                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 690             startService(i);
 691
 692         } else {
 693             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 694             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 695                     Toast.LENGTH_LONG);
 696             t.show();
 697             return;
 698         }
 699     }
 700
 701
 702     private void requestSimpleUpload(Intent data, int resultCode) {
 703         String filePath = null;
 704         String mimeType = null;
 705
 706         Uri selectedImageUri = data.getData();
 707
 708         try {
 709             mimeType = getContentResolver().getType(selectedImageUri);
 710
 711             String fileManagerString = selectedImageUri.getPath();
 712             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 713
 714             if (selectedImagePath != null)
 715                 filePath = selectedImagePath;
 716             else
 717                 filePath = fileManagerString;
 718
 719         } catch (Exception e) {
 720             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 721                     "Intent.ACTION_GET_CONTENT", e);
 722
 723         } finally {
 724             if (filePath == null) {
 725                 Log_OC.e(TAG, "Couldn't resolve path to file");
 726                 Toast t = Toast.makeText(
 727                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 728                         Toast.LENGTH_LONG
 729                 );
 730                 t.show();
 731                 return;
 732             }
 733         }
 734
 735         Intent i = new Intent(this, FileUploader.class);
 736         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 737         OCFile currentDir = getCurrentDir();
 738         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 739
 740         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 741             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 742             try {
 743                 if (cursor != null && cursor.moveToFirst()) {
 744                     String displayName = cursor.getString(cursor.getColumnIndex(
 745                             OpenableColumns.DISPLAY_NAME));
 746                     Log_OC.v(TAG, "Display Name: " + displayName );
 747
 748                     displayName.replace(File.separatorChar, '_');
 749                     displayName.replace(File.pathSeparatorChar, '_');
 750                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 751
 752                 }
 753                 // and what happens in case of error?; wrong target name for the upload
 754             } finally {
 755                 cursor.close();
 756             }
 757
 758         } else {
 759             remotePath += new File(filePath).getName();
 760         }
 761
 762         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 763         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 764         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 765         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 766         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 767         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 768         startService(i);
 769     }
 770
 771     /**
 772      * Request the operation for moving the file/folder from one path to another
 773      *
 774      * @param data       Intent received
 775      * @param resultCode Result code received
 776      */
 777     private void requestMoveOperation(Intent data, int resultCode) {
 778         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 779         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 780         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 781     }
 782
 783     /**
 784      * Request the operation for copying the file/folder from one path to another
 785      *
 786      * @param data       Intent received
 787      * @param resultCode Result code received
 788      */
 789     private void requestCopyOperation(Intent data, int resultCode) {
 790         OCFile folderToMoveAt = data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 791         OCFile targetFile = data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 792         getFileOperationsHelper().copyFile(folderToMoveAt, targetFile);
 793     }
 794
 795     @Override
 796     public void onBackPressed() {
 797         boolean isFabOpen = isFabOpen();
 798         boolean isDrawerOpen = isDrawerOpen();
 799
 800         /*
 801          * BackPressed priority/hierarchy:
 802          *    1. close drawer if opened
 803          *    2. close FAB if open (only if drawer isn't open)
 804          *    3. navigate up (only if drawer and FAB aren't open)
 805          */
 806         if(isDrawerOpen && isFabOpen) {
 807             // close drawer first
 808             super.onBackPressed();
 809         } else if(isDrawerOpen && !isFabOpen) {
 810             // close drawer
 811             super.onBackPressed();
 812         } else if (!isDrawerOpen && isFabOpen) {
 813             // close fab
 814             getListOfFilesFragment().getFabMain().collapse();
 815         } else {
 816             // all closed
 817             OCFileListFragment listOfFiles = getListOfFilesFragment();
 818             if (mDualPane || getSecondFragment() == null) {
 819                 OCFile currentDir = getCurrentDir();
 820                 if (currentDir == null || currentDir.getParentId() == FileDataStorageManager.ROOT_PARENT_ID) {
 821                     finish();
 822                     return;
 823                 }
 824                 if (listOfFiles != null) {  // should never be null, indeed
 825                     listOfFiles.onBrowseUp();
 826                 }
 827             }
 828             if (listOfFiles != null) {  // should never be null, indeed
 829                 setFile(listOfFiles.getCurrentFile());
 830             }
 831             cleanSecondFragment();
 832         }
 833     }
 834
 835     @Override
 836     protected void onSaveInstanceState(Bundle outState) {
 837         // responsibility of restore is preferred in onCreate() before than in
 838         // onRestoreInstanceState when there are Fragments involved
 839         Log_OC.v(TAG, "onSaveInstanceState() start");
 840         super.onSaveInstanceState(outState);
 841         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 842         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 843         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 844         // mRefreshSharesInProgress);
 845         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 846
 847         Log_OC.v(TAG, "onSaveInstanceState() end");
 848     }
 849
 850
 851     @Override
 852     protected void onResume() {
 853         Log_OC.v(TAG, "onResume() start");
 854         super.onResume();
 855         // refresh Navigation Drawer account list
 856         mNavigationDrawerAdapter.updateAccountList();
 857
 858         // refresh list of files
 859         refreshListOfFilesFragment();
 860
 861         // Listen for sync messages
 862         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 863         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 864         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 865         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 866         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 867         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 868         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 869         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 870         // syncIntentFilter);
 871
 872         // Listen for upload messages
 873         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 874         mUploadFinishReceiver = new UploadFinishReceiver();
 875         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 876
 877         // Listen for download messages
 878         IntentFilter downloadIntentFilter = new IntentFilter(
 879                 FileDownloader.getDownloadAddedMessage());
 880         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 881         mDownloadFinishReceiver = new DownloadFinishReceiver();
 882         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 883
 884         Log_OC.v(TAG, "onResume() end");
 885
 886     }
 887
 888
 889     @Override
 890     protected void onPause() {
 891         Log_OC.v(TAG, "onPause() start");
 892         if (mSyncBroadcastReceiver != null) {
 893             unregisterReceiver(mSyncBroadcastReceiver);
 894             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 895             mSyncBroadcastReceiver = null;
 896         }
 897         if (mUploadFinishReceiver != null) {
 898             unregisterReceiver(mUploadFinishReceiver);
 899             mUploadFinishReceiver = null;
 900         }
 901         if (mDownloadFinishReceiver != null) {
 902             unregisterReceiver(mDownloadFinishReceiver);
 903             mDownloadFinishReceiver = null;
 904         }
 905
 906         super.onPause();
 907         Log_OC.v(TAG, "onPause() end");
 908     }
 909
 910     public boolean isFabOpen() {
 911         if(getListOfFilesFragment() != null && getListOfFilesFragment().getFabMain() != null && getListOfFilesFragment().getFabMain().isExpanded()) {
 912             return true;
 913         } else {
 914             return false;
 915         }
 916     }
 917
 918
 919     private class SyncBroadcastReceiver extends BroadcastReceiver {
 920
 921         /**
 922          * {@link BroadcastReceiver} to enable syncing feedback in UI
 923          */
 924         @Override
 925         public void onReceive(Context context, Intent intent) {
 926             try {
 927                 String event = intent.getAction();
 928                 Log_OC.d(TAG, "Received broadcast " + event);
 929                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 930                 String synchFolderRemotePath =
 931                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 932                 RemoteOperationResult synchResult =
 933                         (RemoteOperationResult)intent.getSerializableExtra(
 934                                 FileSyncAdapter.EXTRA_RESULT);
 935                 boolean sameAccount = (getAccount() != null &&
 936                         accountName.equals(getAccount().name) && getStorageManager() != null);
 937
 938                 if (sameAccount) {
 939
 940                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 941                         mSyncInProgress = true;
 942
 943                     } else {
 944                         OCFile currentFile = (getFile() == null) ? null :
 945                                 getStorageManager().getFileByPath(getFile().getRemotePath());
 946                         OCFile currentDir = (getCurrentDir() == null) ? null :
 947                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 948
 949                         if (currentDir == null) {
 950                             // current folder was removed from the server
 951                             Toast.makeText( FileDisplayActivity.this,
 952                                             String.format(
 953                                                     getString(R.string.
 954                                                             sync_current_folder_was_removed),
 955                                                    synchFolderRemotePath),
 956                                             Toast.LENGTH_LONG)
 957                                 .show();
 958
 959                             browseToRoot();
 960
 961                         } else {
 962                             if (currentFile == null && !getFile().isFolder()) {
 963                                 // currently selected file was removed in the server, and now we
 964                                 // know it
 965                                 cleanSecondFragment();
 966                                 currentFile = currentDir;
 967                             }
 968
 969                             if (synchFolderRemotePath != null &&
 970                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 971                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 972                                 if (fileListFragment != null) {
 973                                     fileListFragment.listDirectory();
 974                                     // TODO Enable when "On Device" is recovered ?
 975                                     // fileListFragment.listDirectory(currentDir,
 976                                     // MainApp.getOnlyOnDevice());
 977                                 }
 978                             }
 979                             setFile(currentFile);
 980                         }
 981
 982                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 983                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
 984                                         .equals(event));
 985
 986                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 987                                     equals(event) &&/// TODO refactor and make common
 988
 989                                 synchResult != null && !synchResult.isSuccess() &&
 990                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED ||
 991                                         synchResult.isIdPRedirection() ||
 992                                         (synchResult.isException() && synchResult.getException()
 993                                                 instanceof AuthenticatorException))) {
 994
 995
 996                             try {
 997                                 OwnCloudClient client;
 998                                 OwnCloudAccount ocAccount =
 999                                         new OwnCloudAccount(getAccount(), context);
1000                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1001                                         removeClientFor(ocAccount));
1002                                 if (client != null) {
1003                                     OwnCloudCredentials cred = client.getCredentials();
1004                                     if (cred != null) {
1005                                         AccountManager am = AccountManager.get(context);
1006                                         if (cred.authTokenExpires()) {
1007                                             am.invalidateAuthToken(
1008                                                     getAccount().type,
1009                                                     cred.getAuthToken()
1010                                             );
1011                                         } else {
1012                                             am.clearPassword(getAccount());
1013                                         }
1014                                     }
1015                                 }
1016                                 requestCredentialsUpdate();
1017
1018                             } catch (AccountNotFoundException e) {
1019                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1020                             }
1021
1022                         }
1023
1024                     }
1025                     removeStickyBroadcast(intent);
1026                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1027                     mProgressBar.setIndeterminate(mSyncInProgress);
1028                     //mProgressBar.setVisibility((mSyncInProgress) ? View.VISIBLE : View.INVISIBLE);
1029                     //setSupportProgressBarIndeterminateVisibility(mSyncInProgress
1030                     /*|| mRefreshSharesInProgress*/ //);
1031
1032                     setBackgroundText();
1033
1034                 }
1035
1036                 if (synchResult != null) {
1037                     if (synchResult.getCode().equals(
1038                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1039                         mLastSslUntrustedServerResult = synchResult;
1040                     }
1041                 }
1042             } catch (RuntimeException e) {
1043                 // avoid app crashes after changing the serial id of RemoteOperationResult
1044                 // in owncloud library with broadcast notifications pending to process
1045                 removeStickyBroadcast(intent);
1046             }
1047         }
1048     }
1049
1050     /**
1051      * Show a text message on screen view for notifying user if content is
1052      * loading or folder is empty
1053      */
1054     private void setBackgroundText() {
1055         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1056         if (ocFileListFragment != null) {
1057             int message = R.string.file_list_loading;
1058             if (!mSyncInProgress) {
1059                 // In case file list is empty
1060                 message = R.string.file_list_empty;
1061             }
1062             ocFileListFragment.setMessageForEmptyList(getString(message));
1063         } else {
1064             Log_OC.e(TAG, "OCFileListFragment is null");
1065         }
1066     }
1067
1068     /**
1069      * Once the file upload has finished -> update view
1070      */
1071     private class UploadFinishReceiver extends BroadcastReceiver {
1072         /**
1073          * Once the file upload has finished -> update view
1074          *
1075          * @author David A. Velasco
1076          * {@link BroadcastReceiver} to enable upload feedback in UI
1077          */
1078         @Override
1079         public void onReceive(Context context, Intent intent) {
1080             try {
1081                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1082                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1083                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1084                 OCFile currentDir = getCurrentDir();
1085                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1086                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1087
1088                 if (sameAccount && isDescendant) {
1089                     String linkedToRemotePath =
1090                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1091                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1092                         refreshListOfFilesFragment();
1093                     }
1094                 }
1095
1096                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1097                         false);
1098                 boolean renamedInUpload = getFile().getRemotePath().
1099                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1100                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1101                         renamedInUpload;
1102                 FileFragment details = getSecondFragment();
1103                 boolean detailFragmentIsShown = (details != null &&
1104                         details instanceof FileDetailFragment);
1105
1106                 if (sameAccount && sameFile && detailFragmentIsShown) {
1107                     if (uploadWasFine) {
1108                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1109                     }
1110                     if (renamedInUpload) {
1111                         String newName = (new File(uploadedRemotePath)).getName();
1112                         Toast msg = Toast.makeText(
1113                                 context,
1114                                 String.format(
1115                                         getString(R.string.filedetails_renamed_in_upload_msg),
1116                                         newName),
1117                                 Toast.LENGTH_LONG);
1118                         msg.show();
1119                     }
1120                     if (uploadWasFine || getFile().fileExists()) {
1121                         ((FileDetailFragment) details).updateFileDetails(false, true);
1122                     } else {
1123                         cleanSecondFragment();
1124                     }
1125
1126                     // Force the preview if the file is an image or text file
1127                     if (uploadWasFine) {
1128                         OCFile ocFile = getFile();
1129                         if (PreviewImageFragment.canBePreviewed(ocFile))
1130                             startImagePreview(getFile());
1131                         else if (PreviewTextFragment.canBePreviewed(ocFile))
1132                             startTextPreview(ocFile);
1133                         // TODO what about other kind of previews?
1134                     }
1135                 }
1136
1137                 mProgressBar.setIndeterminate(false);
1138             } finally {
1139                 if (intent != null) {
1140                     removeStickyBroadcast(intent);
1141                 }
1142             }
1143
1144         }
1145
1146         // TODO refactor this receiver, and maybe DownloadFinishReceiver; this method is duplicated :S
1147         private boolean isAscendant(String linkedToRemotePath) {
1148             OCFile currentDir = getCurrentDir();
1149             return (
1150                     currentDir != null &&
1151                             currentDir.getRemotePath().startsWith(linkedToRemotePath)
1152             );
1153         }
1154
1155
1156     }
1157
1158
1159     /**
1160      * Class waiting for broadcast events from the {@link FileDownloader} service.
1161      *
1162      * Updates the UI when a download is started or finished, provided that it is relevant for the
1163      * current folder.
1164      */
1165     private class DownloadFinishReceiver extends BroadcastReceiver {
1166
1167         @Override
1168         public void onReceive(Context context, Intent intent) {
1169             try {
1170                 boolean sameAccount = isSameAccount(intent);
1171                 String downloadedRemotePath =
1172                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1173                 boolean isDescendant = isDescendant(downloadedRemotePath);
1174
1175                 if (sameAccount && isDescendant) {
1176                     String linkedToRemotePath =
1177                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1178                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1179                         refreshListOfFilesFragment();
1180                     }
1181                     refreshSecondFragment(
1182                             intent.getAction(),
1183                             downloadedRemotePath,
1184                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1185                     );
1186                 }
1187
1188                 if (mWaitingToSend != null) {
1189                     mWaitingToSend =
1190                             getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1191                     if (mWaitingToSend.isDown()) {
1192                         sendDownloadedFile();
1193                     }
1194                 }
1195
1196             } finally {
1197                 if (intent != null) {
1198                     removeStickyBroadcast(intent);
1199                 }
1200             }
1201         }
1202
1203         private boolean isDescendant(String downloadedRemotePath) {
1204             OCFile currentDir = getCurrentDir();
1205             return (
1206                 currentDir != null &&
1207                 downloadedRemotePath != null &&
1208                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1209             );
1210         }
1211
1212         private boolean isAscendant(String linkedToRemotePath) {
1213             OCFile currentDir = getCurrentDir();
1214             return (
1215                 currentDir != null &&
1216                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1217             );
1218         }
1219
1220         private boolean isSameAccount(Intent intent) {
1221             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1222             return (accountName != null && getAccount() != null &&
1223                     accountName.equals(getAccount().name));
1224         }
1225     }
1226
1227
1228     public void browseToRoot() {
1229         OCFileListFragment listOfFiles = getListOfFilesFragment();
1230         if (listOfFiles != null) {  // should never be null, indeed
1231             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1232             listOfFiles.listDirectory(root);
1233             // TODO Enable when "On Device" is recovered ?
1234             // listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1235             setFile(listOfFiles.getCurrentFile());
1236             startSyncFolderOperation(root, false);
1237         }
1238         cleanSecondFragment();
1239     }
1240
1241
1242     /**
1243      * {@inheritDoc}
1244      * <p/>
1245      * Updates action bar and second fragment, if in dual pane mode.
1246      */
1247     @Override
1248     public void onBrowsedDownTo(OCFile directory) {
1249         setFile(directory);
1250         cleanSecondFragment();
1251         // Sync Folder
1252         startSyncFolderOperation(directory, false);
1253     }
1254
1255     /**
1256      * Shows the information of the {@link OCFile} received as a
1257      * parameter in the second fragment.
1258      *
1259      * @param file {@link OCFile} whose details will be shown
1260      */
1261     @Override
1262     public void showDetails(OCFile file) {
1263         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1264         setSecondFragment(detailFragment);
1265         updateFragmentsVisibility(true);
1266         updateActionBarTitleAndHomeButton(file);
1267         setFile(file);
1268     }
1269
1270     @Override
1271     protected void updateActionBarTitleAndHomeButton(OCFile chosenFile) {
1272         if (mDualPane) {
1273             // in dual pane mode, keep the focus of title an action bar in the current folder
1274             super.updateActionBarTitleAndHomeButton(getCurrentDir());
1275
1276         } else {
1277             super.updateActionBarTitleAndHomeButton(chosenFile);
1278         }
1279
1280     }
1281
1282     @Override
1283     protected ServiceConnection newTransferenceServiceConnection() {
1284         return new ListServiceConnection();
1285     }
1286
1287     /**
1288      * Defines callbacks for service binding, passed to bindService()
1289      */
1290     private class ListServiceConnection implements ServiceConnection {
1291
1292         @Override
1293         public void onServiceConnected(ComponentName component, IBinder service) {
1294             if (component.equals(new ComponentName(
1295                     FileDisplayActivity.this, FileDownloader.class))) {
1296                 Log_OC.d(TAG, "Download service connected");
1297                 mDownloaderBinder = (FileDownloaderBinder) service;
1298                 if (mWaitingToPreview != null)
1299                     if (getStorageManager() != null) {
1300                          // update the file
1301                         mWaitingToPreview =
1302                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1303                         if (!mWaitingToPreview.isDown()) {
1304                             requestForDownload();
1305                         }
1306                     }
1307
1308             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1309                     FileUploader.class))) {
1310                 Log_OC.d(TAG, "Upload service connected");
1311                 mUploaderBinder = (FileUploaderBinder) service;
1312             } else {
1313                 return;
1314             }
1315             // a new chance to get the mDownloadBinder through
1316             // getFileDownloadBinder() - THIS IS A MESS
1317             OCFileListFragment listOfFiles = getListOfFilesFragment();
1318             if (listOfFiles != null) {
1319                 listOfFiles.listDirectory();
1320                 // TODO Enable when "On Device" is recovered ?
1321                 // listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1322             }
1323             FileFragment secondFragment = getSecondFragment();
1324             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1325                 FileDetailFragment detailFragment = (FileDetailFragment) secondFragment;
1326                 detailFragment.listenForTransferProgress();
1327                 detailFragment.updateFileDetails(false, false);
1328             }
1329         }
1330
1331         @Override
1332         public void onServiceDisconnected(ComponentName component) {
1333             if (component.equals(new ComponentName(FileDisplayActivity.this,
1334                     FileDownloader.class))) {
1335                 Log_OC.d(TAG, "Download service disconnected");
1336                 mDownloaderBinder = null;
1337             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1338                     FileUploader.class))) {
1339                 Log_OC.d(TAG, "Upload service disconnected");
1340                 mUploaderBinder = null;
1341             }
1342         }
1343     }
1344
1345     @Override
1346     public void onSavedCertificate() {
1347         startSyncFolderOperation(getCurrentDir(), false);
1348     }
1349
1350
1351     @Override
1352     public void onFailedSavingCertificate() {
1353         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1354                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1355         );
1356         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1357     }
1358
1359     @Override
1360     public void onCancelCertificate() {
1361         // nothing to do
1362     }
1363
1364     /**
1365      * Updates the view associated to the activity after the finish of some operation over files
1366      * in the current account.
1367      *
1368      * @param operation Removal operation performed.
1369      * @param result    Result of the removal.
1370      */
1371     @Override
1372     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1373         super.onRemoteOperationFinish(operation, result);
1374
1375         if (operation instanceof RemoveFileOperation) {
1376             onRemoveFileOperationFinish((RemoveFileOperation) operation, result);
1377
1378         } else if (operation instanceof RenameFileOperation) {
1379             onRenameFileOperationFinish((RenameFileOperation) operation, result);
1380
1381         } else if (operation instanceof SynchronizeFileOperation) {
1382             onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
1383
1384         } else if (operation instanceof CreateFolderOperation) {
1385             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
1386
1387         } else if (operation instanceof MoveFileOperation) {
1388             onMoveFileOperationFinish((MoveFileOperation) operation, result);
1389
1390         } else if (operation instanceof CopyFileOperation) {
1391             onCopyFileOperationFinish((CopyFileOperation) operation, result);
1392         }
1393
1394     }
1395
1396     private void refreshShowDetails() {
1397         FileFragment details = getSecondFragment();
1398         if (details != null) {
1399             OCFile file = details.getFile();
1400             if (file != null) {
1401                 file = getStorageManager().getFileByPath(file.getRemotePath());
1402                 if (details instanceof PreviewMediaFragment) {
1403                     // Refresh  OCFile of the fragment
1404                     ((PreviewMediaFragment) details).updateFile(file);
1405                 } else if (details instanceof PreviewTextFragment) {
1406                     // Refresh  OCFile of the fragment
1407                     ((PreviewTextFragment) details).updateFile(file);
1408                 } else {
1409                     showDetails(file);
1410                 }
1411             }
1412             invalidateOptionsMenu();
1413         }
1414     }
1415
1416     /**
1417      * Updates the view associated to the activity after the finish of an operation trying to
1418      * remove a file.
1419      *
1420      * @param operation     Removal operation performed.
1421      * @param result        Result of the removal.
1422      */
1423     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1424                                              RemoteOperationResult result) {
1425         Toast msg = Toast.makeText(this,
1426                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1427                 Toast.LENGTH_LONG);
1428         msg.show();
1429
1430         if (result.isSuccess()) {
1431             OCFile removedFile = operation.getFile();
1432             FileFragment second = getSecondFragment();
1433             if (second != null && removedFile.equals(second.getFile())) {
1434                 if (second instanceof PreviewMediaFragment) {
1435                     ((PreviewMediaFragment) second).stopPreview(true);
1436                 }
1437                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1438                 cleanSecondFragment();
1439             }
1440             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())){
1441                 refreshListOfFilesFragment();
1442             }
1443             invalidateOptionsMenu();
1444         } else {
1445             if (result.isSslRecoverableException()) {
1446                 mLastSslUntrustedServerResult = result;
1447                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1448             }
1449         }
1450     }
1451
1452
1453     /**
1454      * Updates the view associated to the activity after the finish of an operation trying to move a
1455      * file.
1456      *
1457      * @param operation Move operation performed.
1458      * @param result    Result of the move operation.
1459      */
1460     private void onMoveFileOperationFinish(MoveFileOperation operation,
1461                                            RemoteOperationResult result) {
1462         if (result.isSuccess()) {
1463             refreshListOfFilesFragment();
1464         } else {
1465             try {
1466                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1467                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1468                         Toast.LENGTH_LONG);
1469                 msg.show();
1470
1471             } catch (NotFoundException e) {
1472                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1473             }
1474         }
1475     }
1476
1477     /**
1478      * Updates the view associated to the activity after the finish of an operation trying to copy a
1479      * file.
1480      *
1481      * @param operation Copy operation performed.
1482      * @param result    Result of the copy operation.
1483      */
1484     private void onCopyFileOperationFinish(CopyFileOperation operation, RemoteOperationResult result) {
1485         if (result.isSuccess()) {
1486             refreshListOfFilesFragment();
1487         } else {
1488             try {
1489                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1490                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1491                         Toast.LENGTH_LONG);
1492                 msg.show();
1493
1494             } catch (NotFoundException e) {
1495                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1496             }
1497         }
1498     }
1499
1500     /**
1501      * Updates the view associated to the activity after the finish of an operation trying to rename
1502      * a file.
1503      *
1504      * @param operation     Renaming operation performed.
1505      * @param result        Result of the renaming.
1506      */
1507     private void onRenameFileOperationFinish(RenameFileOperation operation,
1508                                              RemoteOperationResult result) {
1509         OCFile renamedFile = operation.getFile();
1510         if (result.isSuccess()) {
1511             FileFragment details = getSecondFragment();
1512             if (details != null) {
1513                 if (details instanceof FileDetailFragment &&
1514                         renamedFile.equals(details.getFile()) ) {
1515                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1516                     showDetails(renamedFile);
1517
1518                 } else if (details instanceof PreviewMediaFragment &&
1519                         renamedFile.equals(details.getFile())) {
1520                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1521                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1522                         int position = ((PreviewMediaFragment) details).getPosition();
1523                         startMediaPreview(renamedFile, position, true);
1524                     } else {
1525                         getFileOperationsHelper().openFile(renamedFile);
1526                     }
1527                 } else if (details instanceof PreviewTextFragment &&
1528                         renamedFile.equals(details.getFile())) {
1529                     ((PreviewTextFragment) details).updateFile(renamedFile);
1530                     if (PreviewTextFragment.canBePreviewed(renamedFile)) {
1531                         startTextPreview(renamedFile);
1532                     } else {
1533                         getFileOperationsHelper().openFile(renamedFile);
1534                     }
1535                 }
1536             }
1537
1538             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1539                 refreshListOfFilesFragment();
1540             }
1541
1542         } else {
1543             Toast msg = Toast.makeText(this,
1544                     ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1545                     Toast.LENGTH_LONG);
1546             msg.show();
1547
1548             if (result.isSslRecoverableException()) {
1549                 mLastSslUntrustedServerResult = result;
1550                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1551             }
1552         }
1553     }
1554
1555     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
1556                                                   RemoteOperationResult result) {
1557         if (result.isSuccess()) {
1558             if (operation.transferWasRequested()) {
1559                 OCFile syncedFile = operation.getLocalFile();
1560                 onTransferStateChanged(syncedFile, true, true);
1561                 invalidateOptionsMenu();
1562                 refreshShowDetails();
1563             }
1564         }
1565     }
1566
1567     /**
1568      * Updates the view associated to the activity after the finish of an operation trying create a
1569      * new folder
1570      *
1571      * @param operation     Creation operation performed.
1572      * @param result        Result of the creation.
1573      */
1574     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1575                                                RemoteOperationResult result) {
1576         if (result.isSuccess()) {
1577             refreshListOfFilesFragment();
1578         } else {
1579             try {
1580                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1581                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1582                         Toast.LENGTH_LONG);
1583                 msg.show();
1584
1585             } catch (NotFoundException e) {
1586                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1587             }
1588         }
1589     }
1590
1591
1592     /**
1593      * {@inheritDoc}
1594      */
1595     @Override
1596     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1597         refreshListOfFilesFragment();
1598         FileFragment details = getSecondFragment();
1599         if (details != null && details instanceof FileDetailFragment &&
1600                 file.equals(details.getFile()) ) {
1601             if (downloading || uploading) {
1602                 ((FileDetailFragment) details).updateFileDetails(file, getAccount());
1603             } else {
1604                 if (!file.fileExists()) {
1605                     cleanSecondFragment();
1606                 } else {
1607                     ((FileDetailFragment) details).updateFileDetails(false, true);
1608                 }
1609             }
1610         }
1611
1612     }
1613
1614
1615     private void requestForDownload() {
1616         Account account = getAccount();
1617         //if (!mWaitingToPreview.isDownloading()) {
1618         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1619             Intent i = new Intent(this, FileDownloader.class);
1620             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1621             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1622             startService(i);
1623         }
1624     }
1625
1626
1627     private OCFile getCurrentDir() {
1628         OCFile file = getFile();
1629         if (file != null) {
1630             if (file.isFolder()) {
1631                 return file;
1632             } else if (getStorageManager() != null) {
1633                 String parentPath = file.getRemotePath().substring(0,
1634                         file.getRemotePath().lastIndexOf(file.getFileName()));
1635                 return getStorageManager().getFileByPath(parentPath);
1636             }
1637         }
1638         return null;
1639     }
1640
1641     /**
1642      * Starts an operation to refresh the requested folder.
1643      *
1644      * The operation is run in a new background thread created on the fly.
1645      *
1646      * The refresh updates is a "light sync": properties of regular files in folder are updated (including
1647      * associated shares), but not their contents. Only the contents of files marked to be kept-in-sync are
1648      * synchronized too.
1649      *
1650      * @param folder        Folder to refresh.
1651      * @param ignoreETag    If 'true', the data from the server will be fetched and sync'ed even if the eTag
1652      *                      didn't change.
1653      */
1654     public void startSyncFolderOperation(final OCFile folder, final boolean ignoreETag) {
1655
1656         // the execution is slightly delayed to allow the activity get the window focus if it's being started
1657         // or if the method is called from a dialog that is being dismissed
1658         getHandler().postDelayed(
1659                 new Runnable() {
1660                     @Override
1661                     public void run() {
1662                         if (hasWindowFocus()) {
1663                             long currentSyncTime = System.currentTimeMillis();
1664                             mSyncInProgress = true;
1665
1666                             // perform folder synchronization
1667                             RemoteOperation synchFolderOp = new RefreshFolderOperation(folder,
1668                                     currentSyncTime,
1669                                     false,
1670                                     getFileOperationsHelper().isSharedSupported(),
1671                                     ignoreETag,
1672                                     getStorageManager(),
1673                                     getAccount(),
1674                                     getApplicationContext()
1675                             );
1676                             synchFolderOp.execute(
1677                                     getAccount(),
1678                                     MainApp.getAppContext(),
1679                                     FileDisplayActivity.this,
1680                                     null,
1681                                     null
1682                             );
1683
1684                             mProgressBar.setIndeterminate(true);
1685
1686                             setBackgroundText();
1687
1688                         }   // else: NOTHING ; lets' not refresh when the user rotates the device but there is
1689                         // another window floating over
1690                     }
1691                 },
1692                 DELAY_TO_REQUEST_OPERATIONS_LATER
1693         );
1694
1695     }
1696
1697     /**
1698      * Show untrusted cert dialog
1699      */
1700     public void showUntrustedCertDialog(RemoteOperationResult result) {
1701         // Show a dialog with the certificate info
1702         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1703                 (CertificateCombinedException) result.getException());
1704         FragmentManager fm = getSupportFragmentManager();
1705         FragmentTransaction ft = fm.beginTransaction();
1706         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1707     }
1708
1709     private void requestForDownload(OCFile file) {
1710         Account account = getAccount();
1711         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1712             Intent i = new Intent(this, FileDownloader.class);
1713             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1714             i.putExtra(FileDownloader.EXTRA_FILE, file);
1715             startService(i);
1716         }
1717     }
1718
1719     private void sendDownloadedFile() {
1720         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1721         mWaitingToSend = null;
1722     }
1723
1724
1725     /**
1726      * Requests the download of the received {@link OCFile} , updates the UI
1727      * to monitor the download progress and prepares the activity to send the file
1728      * when the download finishes.
1729      *
1730      * @param file {@link OCFile} to download and preview.
1731      */
1732     public void startDownloadForSending(OCFile file) {
1733         mWaitingToSend = file;
1734         requestForDownload(mWaitingToSend);
1735         boolean hasSecondFragment = (getSecondFragment() != null);
1736         updateFragmentsVisibility(hasSecondFragment);
1737     }
1738
1739     /**
1740      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1741      *
1742      * @param file Image {@link OCFile} to show.
1743      */
1744     public void startImagePreview(OCFile file) {
1745         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1746         showDetailsIntent.putExtra(EXTRA_FILE, file);
1747         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1748         startActivity(showDetailsIntent);
1749     }
1750
1751     /**
1752      * Stars the preview of an already down media {@link OCFile}.
1753      *
1754      * @param file                      Media {@link OCFile} to preview.
1755      * @param startPlaybackPosition     Media position where the playback will be started,
1756      *                                  in milliseconds.
1757      * @param autoplay                  When 'true', the playback will start without user
1758      *                                  interactions.
1759      */
1760     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1761         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1762                 autoplay);
1763         setSecondFragment(mediaFragment);
1764         updateFragmentsVisibility(true);
1765         updateActionBarTitleAndHomeButton(file);
1766         setFile(file);
1767     }
1768
1769     /**
1770      * Stars the preview of a text file {@link OCFile}.
1771      *
1772      * @param file Text {@link OCFile} to preview.
1773      */
1774     public void startTextPreview(OCFile file) {
1775         Bundle args = new Bundle();
1776         args.putParcelable(EXTRA_FILE, file);
1777         args.putParcelable(EXTRA_ACCOUNT, getAccount());
1778         Fragment textPreviewFragment = Fragment.instantiate(getApplicationContext(),
1779                 PreviewTextFragment.class.getName(), args);
1780         setSecondFragment(textPreviewFragment);
1781         updateFragmentsVisibility(true);
1782         //updateNavigationElementsInActionBar(file);
1783         setFile(file);
1784     }
1785
1786     /**
1787      * Requests the download of the received {@link OCFile} , updates the UI
1788      * to monitor the download progress and prepares the activity to preview
1789      * or open the file when the download finishes.
1790      *
1791      * @param file {@link OCFile} to download and preview.
1792      */
1793     public void startDownloadForPreview(OCFile file) {
1794         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1795         setSecondFragment(detailFragment);
1796         mWaitingToPreview = file;
1797         requestForDownload();
1798         updateFragmentsVisibility(true);
1799         updateActionBarTitleAndHomeButton(file);
1800         setFile(file);
1801     }
1802
1803
1804     public void cancelTransference(OCFile file) {
1805         getFileOperationsHelper().cancelTransference(file);
1806         if (mWaitingToPreview != null &&
1807                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1808             mWaitingToPreview = null;
1809         }
1810         if (mWaitingToSend != null &&
1811                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1812             mWaitingToSend = null;
1813         }
1814         onTransferStateChanged(file, false, false);
1815     }
1816
1817     @Override
1818     public void onRefresh(boolean ignoreETag) {
1819         refreshList(ignoreETag);
1820     }
1821
1822     @Override
1823     public void onRefresh() {
1824         refreshList(true);
1825     }
1826
1827     private void refreshList(boolean ignoreETag) {
1828         OCFileListFragment listOfFiles = getListOfFilesFragment();
1829         if (listOfFiles != null) {
1830             OCFile folder = listOfFiles.getCurrentFile();
1831             if (folder != null) {
1832                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1833                 listDirectory(mFile);*/
1834                 startSyncFolderOperation(folder, ignoreETag);
1835             }
1836         }
1837     }
1838
1839     private void sortByDate(boolean ascending) {
1840         getListOfFilesFragment().sortByDate(ascending);
1841     }
1842
1843     private void sortBySize(boolean ascending) {
1844         getListOfFilesFragment().sortBySize(ascending);
1845     }
1846
1847     private void sortByName(boolean ascending) {
1848         getListOfFilesFragment().sortByName(ascending);
1849     }
1850
1851    public void allFilesOption() {
1852        browseToRoot();
1853    }
1854 }