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     private Menu mOptionsMenu;
 158
 159
 160     @Override
 161     protected void onCreate(Bundle savedInstanceState) {
 162         Log_OC.v(TAG, "onCreate() start");
 163
 164         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account
 165                                             // is valid
 166
 167         /// grant that FileObserverService is watching favorite files
 168         if (savedInstanceState == null) {
 169             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 170             startService(initObserversIntent);
 171         }
 172
 173         /// Load of saved instance state
 174         if(savedInstanceState != null) {
 175             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(
 176                     FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 177             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 178             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(
 179                     FileDisplayActivity.KEY_WAITING_TO_SEND);
 180         } else {
 181             mWaitingToPreview = null;
 182             mSyncInProgress = false;
 183             mWaitingToSend = null;
 184         }
 185
 186         /// USER INTERFACE
 187
 188         // Inflate and set the layout view
 189         setContentView(R.layout.files);
 190
 191         // Navigation Drawer
 192         initDrawer();
 193
 194         mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
 195         mProgressBar.setIndeterminateDrawable(
 196                 ContextCompat.getDrawable(this,
 197                         R.drawable.actionbar_progress_indeterminate_horizontal));
 198
 199         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 200         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 201         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 202         if (savedInstanceState == null) {
 203             createMinFragments();
 204         }
 205
 206         // Action bar setup
 207         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 208                                                                 // according to the official
 209                                                                 // documentation
 210
 211         // enable ActionBar app icon to behave as action to toggle nav drawer
 212         //getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 213         getSupportActionBar().setHomeButtonEnabled(true);
 214
 215         mProgressBar.setIndeterminate(mSyncInProgress);
 216         // always AFTER setContentView(...) ; to work around bug in its implementation
 217
 218         setBackgroundText();
 219
 220         Log_OC.v(TAG, "onCreate() end");
 221     }
 222
 223     @Override
 224     protected void onStart() {
 225         Log_OC.v(TAG, "onStart() start");
 226         super.onStart();
 227         Log_OC.v(TAG, "onStart() end");
 228     }
 229
 230     @Override
 231     protected void onDestroy() {
 232         Log_OC.v(TAG, "onDestroy() start");
 233         super.onDestroy();
 234         Log_OC.v(TAG, "onDestroy() end");
 235     }
 236
 237     /**
 238      * Called when the ownCloud {@link Account} associated to the Activity was just updated.
 239      */
 240     @Override
 241     protected void onAccountSet(boolean stateWasRecovered) {
 242         super.onAccountSet(stateWasRecovered);
 243         if (getAccount() != null) {
 244             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 245             // current Account
 246             OCFile file = getFile();
 247             // get parent from path
 248             String parentPath = "";
 249             if (file != null) {
 250                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 251                     // upload in progress - right now, files are not inserted in the local
 252                     // cache until the upload is successful get parent from path
 253                     parentPath = file.getRemotePath().substring(0,
 254                             file.getRemotePath().lastIndexOf(file.getFileName()));
 255                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 256                         file = null; // not able to know the directory where the file is uploading
 257                 } else {
 258                     file = getStorageManager().getFileByPath(file.getRemotePath());
 259                     // currentDir = null if not in the current Account
 260                 }
 261             }
 262             if (file == null) {
 263                 // fall back to root folder
 264                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 265             }
 266             setFile(file);
 267
 268             if (mAccountWasSet) {
 269                 RelativeLayout navigationDrawerLayout = (RelativeLayout) findViewById(R.id.left_drawer);
 270                 if (navigationDrawerLayout != null && getAccount() != null) {
 271                     TextView username = (TextView) navigationDrawerLayout.findViewById(R.id.drawer_username);
 272                     int lastAtPos = getAccount().name.lastIndexOf("@");
 273                     username.setText(getAccount().name.substring(0, lastAtPos));
 274                 }
 275             }
 276
 277             if (!stateWasRecovered) {
 278                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 279                 initFragmentsWithFile();
 280                 if (file.isFolder()) {
 281                     startSyncFolderOperation(file, false);
 282                 }
 283
 284             } else {
 285                 updateFragmentsVisibility(!file.isFolder());
 286                 updateActionBarTitleAndHomeButton(file.isFolder() ? null : file);
 287             }
 288         }
 289     }
 290
 291     private void createMinFragments() {
 292         OCFileListFragment listOfFiles = new OCFileListFragment();
 293         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 294         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 295         transaction.commit();
 296     }
 297
 298     private void initFragmentsWithFile() {
 299         if (getAccount() != null && getFile() != null) {
 300             /// First fragment
 301             OCFileListFragment listOfFiles = getListOfFilesFragment();
 302             if (listOfFiles != null) {
 303                 listOfFiles.listDirectory(getCurrentDir());
 304                 // TODO Enable when "On Device" is recovered
 305                 // listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 306
 307             } else {
 308                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 309             }
 310
 311             /// Second fragment
 312             OCFile file = getFile();
 313             Fragment secondFragment = chooseInitialSecondFragment(file);
 314             if (secondFragment != null) {
 315                 setSecondFragment(secondFragment);
 316                 updateFragmentsVisibility(true);
 317                 updateActionBarTitleAndHomeButton(file);
 318
 319             } else {
 320                 cleanSecondFragment();
 321                 if (file.isDown() && PreviewTextFragment.canBePreviewed(file))
 322                     startTextPreview(file);
 323             }
 324
 325             switchLayout(getFile());
 326
 327         } else {
 328             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 329             if (getAccount() == null) {
 330                 Log_OC.wtf(TAG, "\t account is NULL");
 331             }
 332             if (getFile() == null) {
 333                 Log_OC.wtf(TAG, "\t file is NULL");
 334             }
 335         }
 336     }
 337
 338     private void switchLayout(OCFile file){
 339         if (DisplayUtils.isGridView(file, getStorageManager())){
 340             switchToGridView();
 341         } else {
 342             switchToListView();
 343         }
 344     }
 345
 346     private Fragment chooseInitialSecondFragment(OCFile file) {
 347         Fragment secondFragment = null;
 348         if (file != null && !file.isFolder()) {
 349             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 350                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 351                     ) {
 352                 int startPlaybackPosition =
 353                         getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 354                 boolean autoplay =
 355                         getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 356                 secondFragment = new PreviewMediaFragment(file, getAccount(),
 357                         startPlaybackPosition, autoplay);
 358
 359             } else if (file.isDown() && PreviewTextFragment.canBePreviewed(file)) {
 360                 secondFragment = null;
 361             } else {
 362             secondFragment = FileDetailFragment.newInstance(file, getAccount());
 363         }
 364         }
 365         return secondFragment;
 366     }
 367
 368
 369     /**
 370      * Replaces the second fragment managed by the activity with the received as
 371      * a parameter.
 372      * <p/>
 373      * Assumes never will be more than two fragments managed at the same time.
 374      *
 375      * @param fragment New second Fragment to set.
 376      */
 377     private void setSecondFragment(Fragment fragment) {
 378         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 379         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 380         transaction.commit();
 381     }
 382
 383
 384     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 385         if (mDualPane) {
 386             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 387                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 388             }
 389             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 390                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 391             }
 392
 393         } else if (existsSecondFragment) {
 394             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 395                 mLeftFragmentContainer.setVisibility(View.GONE);
 396             }
 397             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 398                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 399             }
 400
 401         } else {
 402             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 403                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 404             }
 405             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 406                 mRightFragmentContainer.setVisibility(View.GONE);
 407             }
 408         }
 409     }
 410
 411
 412     private OCFileListFragment getListOfFilesFragment() {
 413         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 414                 FileDisplayActivity.TAG_LIST_OF_FILES);
 415         if (listOfFiles != null) {
 416             return (OCFileListFragment) listOfFiles;
 417         }
 418         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 419         return null;
 420     }
 421
 422     public FileFragment getSecondFragment() {
 423         Fragment second = getSupportFragmentManager().findFragmentByTag(
 424                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 425         if (second != null) {
 426             return (FileFragment) second;
 427         }
 428         return null;
 429     }
 430
 431     protected void cleanSecondFragment() {
 432         Fragment second = getSecondFragment();
 433         if (second != null) {
 434             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 435             tr.remove(second);
 436             tr.commit();
 437         }
 438         updateFragmentsVisibility(false);
 439         updateActionBarTitleAndHomeButton(null);
 440     }
 441
 442     protected void refreshListOfFilesFragment() {
 443         OCFileListFragment fileListFragment = getListOfFilesFragment();
 444         if (fileListFragment != null) {
 445             fileListFragment.listDirectory();
 446             // TODO Enable when "On Device" is recovered ?
 447             // fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 448         }
 449     }
 450
 451     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath,
 452                                          boolean success) {
 453         FileFragment secondFragment = getSecondFragment();
 454         boolean waitedPreview = (mWaitingToPreview != null &&
 455                 mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 456         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 457             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 458             OCFile fileInFragment = detailsFragment.getFile();
 459             if (fileInFragment != null &&
 460                     !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 461                 // the user browsed to other file ; forget the automatic preview
 462                 mWaitingToPreview = null;
 463
 464             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 465                 // grant that the right panel updates the progress bar
 466                 detailsFragment.listenForTransferProgress();
 467                 detailsFragment.updateFileDetails(true, false);
 468
 469             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 470                 //  update the right panel
 471                 boolean detailsFragmentChanged = false;
 472                 if (waitedPreview) {
 473                     if (success) {
 474                         mWaitingToPreview = getStorageManager().getFileById(
 475                                 mWaitingToPreview.getFileId());   // update the file from database,
 476                                                                   // for the local storage path
 477                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 478                             startMediaPreview(mWaitingToPreview, 0, true);
 479                             detailsFragmentChanged = true;
 480                         } else if (PreviewTextFragment.canBePreviewed(mWaitingToPreview)) {
 481                             startTextPreview(mWaitingToPreview);
 482                             detailsFragmentChanged = true;
 483                         } else {
 484                             getFileOperationsHelper().openFile(mWaitingToPreview);
 485                         }
 486                     }
 487                     mWaitingToPreview = null;
 488                 }
 489                 if (!detailsFragmentChanged) {
 490                     detailsFragment.updateFileDetails(false, (success));
 491                 }
 492             }
 493         }
 494     }
 495
 496     @Override
 497     public boolean onPrepareOptionsMenu(Menu menu) {
 498         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 499         menu.findItem(R.id.action_upload).setVisible(!drawerOpen);
 500         menu.findItem(R.id.action_create_dir).setVisible(!drawerOpen);
 501         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 502         menu.findItem(R.id.action_sync_account).setVisible(!drawerOpen);
 503         menu.findItem(R.id.action_switch_view).setVisible(!drawerOpen);
 504
 505         return super.onPrepareOptionsMenu(menu);
 506     }
 507
 508     @Override
 509     public boolean onCreateOptionsMenu(Menu menu) {
 510         MenuInflater inflater = getMenuInflater();
 511         inflater.inflate(R.menu.main_menu, menu);
 512         mOptionsMenu = menu;
 513
 514         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
 515
 516         changeGridIcon();
 517
 518         return true;
 519     }
 520
 521
 522     @Override
 523     public boolean onOptionsItemSelected(MenuItem item) {
 524         boolean retval = true;
 525         switch (item.getItemId()) {
 526             case R.id.action_create_dir: {
 527                 CreateFolderDialogFragment dialog =
 528                         CreateFolderDialogFragment.newInstance(getCurrentDir());
 529                 dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 530                 break;
 531             }
 532
 533             case R.id.action_sync_account: {
 534                 startSynchronization();
 535                 break;
 536             }
 537             case R.id.action_upload: {
 538                 UploadSourceDialogFragment dialog =
 539                         UploadSourceDialogFragment.newInstance(getAccount());
 540                 dialog.show(getSupportFragmentManager(), DIALOG_UPLOAD_SOURCE);
 541                 break;
 542             }
 543             case android.R.id.home: {
 544                 FileFragment second = getSecondFragment();
 545                 OCFile currentDir = getCurrentDir();
 546                 if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 547                     mDrawerLayout.closeDrawer(GravityCompat.START);
 548                 } else if((currentDir != null && currentDir.getParentId() != 0) ||
 549                         (second != null && second.getFile() != null)) {
 550                     onBackPressed();
 551
 552                 } else {
 553                     mDrawerLayout.openDrawer(GravityCompat.START);
 554                 }
 555                 break;
 556             }
 557             case R.id.action_sort: {
 558                 SharedPreferences appPreferences = PreferenceManager
 559                         .getDefaultSharedPreferences(this);
 560
 561                 // Read sorting order, default to sort by name ascending
 562                 Integer sortOrder = appPreferences
 563                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 564
 565                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 566                 builder.setTitle(R.string.actionbar_sort_title)
 567                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 568                                 new DialogInterface.OnClickListener() {
 569                             public void onClick(DialogInterface dialog, int which) {
 570                                 switch (which){
 571                                     case 0:
 572                                         sortByName(true);
 573                                         break;
 574                                     case 1:
 575                                         sortByDate(false);
 576                                         break;
 577                                 }
 578
 579                                 dialog.dismiss();
 580                             }
 581                         });
 582                 builder.create().show();
 583                 break;
 584             }
 585             case R.id.action_switch_view:{
 586                 if (isGridView()){
 587                     item.setTitle(getApplicationContext().getString(R.string.action_switch_grid_view));
 588                     item.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 589                             R.drawable.ic_view_module));
 590                     DisplayUtils.setViewMode(getFile(), false);
 591                     switchToListView();
 592                 } else {
 593                     item.setTitle(getApplicationContext().getString(R.string.action_switch_list_view));
 594                     item.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 595                             R.drawable.ic_view_list));
 596                     DisplayUtils.setViewMode(getFile(), true);
 597                     switchToGridView();
 598                 }
 599
 600                 return true;
 601             }
 602         default:
 603             retval = super.onOptionsItemSelected(item);
 604         }
 605         return retval;
 606     }
 607
 608     private void startSynchronization() {
 609         Log_OC.d(TAG, "Got to start sync");
 610         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 611             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 612             ContentResolver.cancelSync(null, MainApp.getAuthority());
 613             // cancel the current synchronizations of any ownCloud account
 614             Bundle bundle = new Bundle();
 615             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 616             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 617             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 618                     MainApp.getAuthority());
 619             ContentResolver.requestSync(
 620                     getAccount(),
 621                     MainApp.getAuthority(), bundle);
 622         } else {
 623             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 624                     MainApp.getAuthority() + " with new API");
 625             SyncRequest.Builder builder = new SyncRequest.Builder();
 626             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 627             builder.setExpedited(true);
 628             builder.setManual(true);
 629             builder.syncOnce();
 630
 631             // Fix bug in Android Lollipop when you click on refresh the whole account
 632             Bundle extras = new Bundle();
 633             builder.setExtras(extras);
 634
 635             SyncRequest request = builder.build();
 636             ContentResolver.requestSync(request);
 637         }
 638     }
 639
 640     /**
 641      * Called, when the user selected something for uploading
 642      *
 643      */
 644     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 645     @Override
 646     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 647
 648         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 649                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 650             //getClipData is only supported on api level 16+, Jelly Bean
 651             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 652                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 653                     Intent intent = new Intent();
 654                     intent.setData(data.getClipData().getItemAt(i).getUri());
 655                     requestSimpleUpload(intent, resultCode);
 656                 }
 657             }else {
 658                 requestSimpleUpload(data, resultCode);
 659             }
 660         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 661                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 662             requestMultipleUpload(data, resultCode);
 663
 664         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 665             final Intent fData = data;
 666             final int fResultCode = resultCode;
 667             getHandler().postDelayed(
 668                     new Runnable() {
 669                         @Override
 670                         public void run() {
 671                             requestMoveOperation(fData, fResultCode);
 672                         }
 673                     },
 674                     DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 675             );
 676
 677         } else if (requestCode == ACTION_COPY_FILES && resultCode == RESULT_OK) {
 678
 679             final Intent fData = data;
 680             final int fResultCode = resultCode;
 681             getHandler().postDelayed(
 682                     new Runnable() {
 683                         @Override
 684                         public void run() {
 685                             requestCopyOperation(fData, fResultCode);
 686                         }
 687                     },
 688                     DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 689             );
 690
 691         } else {
 692             super.onActivityResult(requestCode, resultCode, data);
 693         }
 694
 695     }
 696
 697     private void requestMultipleUpload(Intent data, int resultCode) {
 698         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 699         if (filePaths != null) {
 700             String[] remotePaths = new String[filePaths.length];
 701             String remotePathBase = getCurrentDir().getRemotePath();
 702             for (int j = 0; j< remotePaths.length; j++) {
 703                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 704             }
 705
 706             Intent i = new Intent(this, FileUploader.class);
 707             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 708             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 709             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 710             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 711             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 712                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 713             startService(i);
 714
 715         } else {
 716             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 717             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 718                     Toast.LENGTH_LONG);
 719             t.show();
 720             return;
 721         }
 722     }
 723
 724
 725     private void requestSimpleUpload(Intent data, int resultCode) {
 726         String filePath = null;
 727         String mimeType = null;
 728
 729         Uri selectedImageUri = data.getData();
 730
 731         try {
 732             mimeType = getContentResolver().getType(selectedImageUri);
 733
 734             String fileManagerString = selectedImageUri.getPath();
 735             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 736
 737             if (selectedImagePath != null)
 738                 filePath = selectedImagePath;
 739             else
 740                 filePath = fileManagerString;
 741
 742         } catch (Exception e) {
 743             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 744                     "Intent.ACTION_GET_CONTENT", e);
 745
 746         } finally {
 747             if (filePath == null) {
 748                 Log_OC.e(TAG, "Couldn't resolve path to file");
 749                 Toast t = Toast.makeText(
 750                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 751                         Toast.LENGTH_LONG
 752                 );
 753                 t.show();
 754                 return;
 755             }
 756         }
 757
 758         Intent i = new Intent(this, FileUploader.class);
 759         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 760         OCFile currentDir = getCurrentDir();
 761         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 762
 763         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 764             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 765             try {
 766                 if (cursor != null && cursor.moveToFirst()) {
 767                     String displayName = cursor.getString(cursor.getColumnIndex(
 768                             OpenableColumns.DISPLAY_NAME));
 769                     Log_OC.v(TAG, "Display Name: " + displayName );
 770
 771                     displayName.replace(File.separatorChar, '_');
 772                     displayName.replace(File.pathSeparatorChar, '_');
 773                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 774
 775                 }
 776                 // and what happens in case of error?; wrong target name for the upload
 777             } finally {
 778                 cursor.close();
 779             }
 780
 781         } else {
 782             remotePath += new File(filePath).getName();
 783         }
 784
 785         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 786         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 787         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 788         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 789         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 790         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 791         startService(i);
 792     }
 793
 794     /**
 795      * Request the operation for moving the file/folder from one path to another
 796      *
 797      * @param data       Intent received
 798      * @param resultCode Result code received
 799      */
 800     private void requestMoveOperation(Intent data, int resultCode) {
 801         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 802         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 803         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 804     }
 805
 806     /**
 807      * Request the operation for copying the file/folder from one path to another
 808      *
 809      * @param data       Intent received
 810      * @param resultCode Result code received
 811      */
 812     private void requestCopyOperation(Intent data, int resultCode) {
 813         OCFile folderToMoveAt = data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 814         OCFile targetFile = data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 815         getFileOperationsHelper().copyFile(folderToMoveAt, targetFile);
 816     }
 817
 818     @Override
 819     public void onBackPressed() {
 820         if (!isDrawerOpen()){
 821             OCFileListFragment listOfFiles = getListOfFilesFragment();
 822             if (mDualPane || getSecondFragment() == null) {
 823                 OCFile currentDir = getCurrentDir();
 824                 if (currentDir == null || currentDir.getParentId() == FileDataStorageManager.ROOT_PARENT_ID) {
 825                     finish();
 826                     return;
 827                 }
 828                 if (listOfFiles != null) {  // should never be null, indeed
 829                     listOfFiles.onBrowseUp();
 830                 }
 831             }
 832             if (listOfFiles != null) {  // should never be null, indeed
 833                 setFile(listOfFiles.getCurrentFile());
 834             }
 835             cleanSecondFragment();
 836
 837             changeGridIcon();
 838         } else {
 839             super.onBackPressed();
 840         }
 841     }
 842
 843     private void changeGridIcon(){
 844         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
 845         if (DisplayUtils.isGridView(getFile(), getStorageManager())){
 846             menuItem.setTitle(getApplicationContext().getString(R.string.action_switch_list_view));
 847             menuItem.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 848                     R.drawable.ic_view_list));
 849         } else {
 850             menuItem.setTitle(getApplicationContext().getString(R.string.action_switch_grid_view));
 851             menuItem.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 852                     R.drawable.ic_view_module));
 853         }
 854     }
 855
 856     @Override
 857     protected void onSaveInstanceState(Bundle outState) {
 858         // responsibility of restore is preferred in onCreate() before than in
 859         // onRestoreInstanceState when there are Fragments involved
 860         Log_OC.v(TAG, "onSaveInstanceState() start");
 861         super.onSaveInstanceState(outState);
 862         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 863         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 864         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 865         // mRefreshSharesInProgress);
 866         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 867
 868         Log_OC.v(TAG, "onSaveInstanceState() end");
 869     }
 870
 871
 872     @Override
 873     protected void onResume() {
 874         Log_OC.v(TAG, "onResume() start");
 875         super.onResume();
 876         // refresh Navigation Drawer account list
 877         mNavigationDrawerAdapter.updateAccountList();
 878
 879         // refresh list of files
 880         refreshListOfFilesFragment();
 881
 882         // Listen for sync messages
 883         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 884         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 885         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 886         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 887         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 888         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 889         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 890         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 891         // syncIntentFilter);
 892
 893         // Listen for upload messages
 894         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 895         mUploadFinishReceiver = new UploadFinishReceiver();
 896         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 897
 898         // Listen for download messages
 899         IntentFilter downloadIntentFilter = new IntentFilter(
 900                 FileDownloader.getDownloadAddedMessage());
 901         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 902         mDownloadFinishReceiver = new DownloadFinishReceiver();
 903         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 904
 905         Log_OC.v(TAG, "onResume() end");
 906
 907     }
 908
 909
 910     @Override
 911     protected void onPause() {
 912         Log_OC.v(TAG, "onPause() start");
 913         if (mSyncBroadcastReceiver != null) {
 914             unregisterReceiver(mSyncBroadcastReceiver);
 915             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 916             mSyncBroadcastReceiver = null;
 917         }
 918         if (mUploadFinishReceiver != null) {
 919             unregisterReceiver(mUploadFinishReceiver);
 920             mUploadFinishReceiver = null;
 921         }
 922         if (mDownloadFinishReceiver != null) {
 923             unregisterReceiver(mDownloadFinishReceiver);
 924             mDownloadFinishReceiver = null;
 925         }
 926
 927         super.onPause();
 928         Log_OC.v(TAG, "onPause() end");
 929     }
 930
 931
 932     private class SyncBroadcastReceiver extends BroadcastReceiver {
 933
 934         /**
 935          * {@link BroadcastReceiver} to enable syncing feedback in UI
 936          */
 937         @Override
 938         public void onReceive(Context context, Intent intent) {
 939             try {
 940                 String event = intent.getAction();
 941                 Log_OC.d(TAG, "Received broadcast " + event);
 942                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 943                 String synchFolderRemotePath =
 944                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 945                 RemoteOperationResult synchResult =
 946                         (RemoteOperationResult)intent.getSerializableExtra(
 947                                 FileSyncAdapter.EXTRA_RESULT);
 948                 boolean sameAccount = (getAccount() != null &&
 949                         accountName.equals(getAccount().name) && getStorageManager() != null);
 950
 951                 if (sameAccount) {
 952
 953                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 954                         mSyncInProgress = true;
 955
 956                     } else {
 957                         OCFile currentFile = (getFile() == null) ? null :
 958                                 getStorageManager().getFileByPath(getFile().getRemotePath());
 959                         OCFile currentDir = (getCurrentDir() == null) ? null :
 960                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 961
 962                         if (currentDir == null) {
 963                             // current folder was removed from the server
 964                             Toast.makeText( FileDisplayActivity.this,
 965                                             String.format(
 966                                                     getString(R.string.
 967                                                             sync_current_folder_was_removed),
 968                                                    synchFolderRemotePath),
 969                                             Toast.LENGTH_LONG)
 970                                 .show();
 971
 972                             browseToRoot();
 973
 974                         } else {
 975                             if (currentFile == null && !getFile().isFolder()) {
 976                                 // currently selected file was removed in the server, and now we
 977                                 // know it
 978                                 cleanSecondFragment();
 979                                 currentFile = currentDir;
 980                             }
 981
 982                             if (synchFolderRemotePath != null &&
 983                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 984                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 985                                 if (fileListFragment != null) {
 986                                     fileListFragment.listDirectory();
 987                                     // TODO Enable when "On Device" is recovered ?
 988                                     // fileListFragment.listDirectory(currentDir,
 989                                     // MainApp.getOnlyOnDevice());
 990                                 }
 991                             }
 992                             setFile(currentFile);
 993                         }
 994
 995                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 996                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
 997                                         .equals(event));
 998
 999                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1000                                     equals(event) &&/// TODO refactor and make common
1001
1002                                 synchResult != null && !synchResult.isSuccess() &&
1003                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED ||
1004                                         synchResult.isIdPRedirection() ||
1005                                         (synchResult.isException() && synchResult.getException()
1006                                                 instanceof AuthenticatorException))) {
1007
1008
1009                             try {
1010                                 OwnCloudClient client;
1011                                 OwnCloudAccount ocAccount =
1012                                         new OwnCloudAccount(getAccount(), context);
1013                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1014                                         removeClientFor(ocAccount));
1015                                 if (client != null) {
1016                                     OwnCloudCredentials cred = client.getCredentials();
1017                                     if (cred != null) {
1018                                         AccountManager am = AccountManager.get(context);
1019                                         if (cred.authTokenExpires()) {
1020                                             am.invalidateAuthToken(
1021                                                     getAccount().type,
1022                                                     cred.getAuthToken()
1023                                             );
1024                                         } else {
1025                                             am.clearPassword(getAccount());
1026                                         }
1027                                     }
1028                                 }
1029                                 requestCredentialsUpdate();
1030
1031                             } catch (AccountNotFoundException e) {
1032                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1033                             }
1034
1035                         }
1036                     }
1037                     removeStickyBroadcast(intent);
1038                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1039                     mProgressBar.setIndeterminate(mSyncInProgress);
1040                     //mProgressBar.setVisibility((mSyncInProgress) ? View.VISIBLE : View.INVISIBLE);
1041                     //setSupportProgressBarIndeterminateVisibility(mSyncInProgress
1042                     /*|| mRefreshSharesInProgress*/ //);
1043
1044                     setBackgroundText();
1045
1046                 }
1047
1048                 if (synchResult != null) {
1049                     if (synchResult.getCode().equals(
1050                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1051                         mLastSslUntrustedServerResult = synchResult;
1052                     }
1053                 }
1054             } catch (RuntimeException e) {
1055                 // avoid app crashes after changing the serial id of RemoteOperationResult
1056                 // in owncloud library with broadcast notifications pending to process
1057                 removeStickyBroadcast(intent);
1058             }
1059         }
1060     }
1061
1062     /**
1063      * Show a text message on screen view for notifying user if content is
1064      * loading or folder is empty
1065      */
1066     private void setBackgroundText() {
1067         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1068         if (ocFileListFragment != null) {
1069             int message = R.string.file_list_loading;
1070             if (!mSyncInProgress) {
1071                 // In case file list is empty
1072                 message = R.string.file_list_empty;
1073             }
1074             ocFileListFragment.setMessageForEmptyList(getString(message));
1075         } else {
1076             Log_OC.e(TAG, "OCFileListFragment is null");
1077         }
1078     }
1079
1080     /**
1081      * Once the file upload has finished -> update view
1082      */
1083     private class UploadFinishReceiver extends BroadcastReceiver {
1084         /**
1085          * Once the file upload has finished -> update view
1086          *
1087          * @author David A. Velasco
1088          * {@link BroadcastReceiver} to enable upload feedback in UI
1089          */
1090         @Override
1091         public void onReceive(Context context, Intent intent) {
1092             try {
1093                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1094                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1095                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1096                 OCFile currentDir = getCurrentDir();
1097                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1098                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1099
1100                 if (sameAccount && isDescendant) {
1101                     refreshListOfFilesFragment();
1102                 }
1103
1104                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1105                         false);
1106                 boolean renamedInUpload = getFile().getRemotePath().
1107                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1108                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1109                         renamedInUpload;
1110                 FileFragment details = getSecondFragment();
1111                 boolean detailFragmentIsShown = (details != null &&
1112                         details instanceof FileDetailFragment);
1113
1114                 if (sameAccount && sameFile && detailFragmentIsShown) {
1115                     if (uploadWasFine) {
1116                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1117                     }
1118                     if (renamedInUpload) {
1119                         String newName = (new File(uploadedRemotePath)).getName();
1120                         Toast msg = Toast.makeText(
1121                                 context,
1122                                 String.format(
1123                                         getString(R.string.filedetails_renamed_in_upload_msg),
1124                                         newName),
1125                                 Toast.LENGTH_LONG);
1126                         msg.show();
1127                     }
1128                     if (uploadWasFine || getFile().fileExists()) {
1129                         ((FileDetailFragment) details).updateFileDetails(false, true);
1130                     } else {
1131                         cleanSecondFragment();
1132                     }
1133
1134                     // Force the preview if the file is an image or text file
1135                     if (uploadWasFine) {
1136                         OCFile ocFile = getFile();
1137                         if (PreviewImageFragment.canBePreviewed(ocFile))
1138                             startImagePreview(getFile());
1139                         else if (PreviewTextFragment.canBePreviewed(ocFile))
1140                             startTextPreview(ocFile);
1141                         // TODO what about other kind of previews?
1142                     }
1143                 }
1144
1145                 mProgressBar.setIndeterminate(false);
1146             } finally {
1147                 if (intent != null) {
1148                     removeStickyBroadcast(intent);
1149                 }
1150             }
1151
1152         }
1153
1154     }
1155
1156
1157     /**
1158      * Class waiting for broadcast events from the {@link FileDownloader} service.
1159      *
1160      * Updates the UI when a download is started or finished, provided that it is relevant for the
1161      * current folder.
1162      */
1163     private class DownloadFinishReceiver extends BroadcastReceiver {
1164
1165         //int refreshCounter = 0;
1166         @Override
1167         public void onReceive(Context context, Intent intent) {
1168             try {
1169                 boolean sameAccount = isSameAccount(context, intent);
1170                 String downloadedRemotePath =
1171                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1172                 boolean isDescendant = isDescendant(downloadedRemotePath);
1173
1174                 if (sameAccount && isDescendant) {
1175                     String linkedToRemotePath =
1176                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1177                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1178                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
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(Context context, 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         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
1255
1256         changeGridIcon();
1257         switchLayout(directory);
1258     }
1259
1260     /**
1261      * Shows the information of the {@link OCFile} received as a
1262      * parameter in the second fragment.
1263      *
1264      * @param file {@link OCFile} whose details will be shown
1265      */
1266     @Override
1267     public void showDetails(OCFile file) {
1268         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1269         setSecondFragment(detailFragment);
1270         updateFragmentsVisibility(true);
1271         updateActionBarTitleAndHomeButton(file);
1272         setFile(file);
1273     }
1274
1275     @Override
1276     protected void updateActionBarTitleAndHomeButton(OCFile chosenFile) {
1277         if (mDualPane) {
1278             // in dual pane mode, keep the focus of title an action bar in the current folder
1279             super.updateActionBarTitleAndHomeButton(getCurrentDir());
1280
1281         } else {
1282             super.updateActionBarTitleAndHomeButton(chosenFile);
1283         }
1284
1285     }
1286
1287     @Override
1288     protected ServiceConnection newTransferenceServiceConnection() {
1289         return new ListServiceConnection();
1290     }
1291
1292     /**
1293      * Defines callbacks for service binding, passed to bindService()
1294      */
1295     private class ListServiceConnection implements ServiceConnection {
1296
1297         @Override
1298         public void onServiceConnected(ComponentName component, IBinder service) {
1299             if (component.equals(new ComponentName(
1300                     FileDisplayActivity.this, FileDownloader.class))) {
1301                 Log_OC.d(TAG, "Download service connected");
1302                 mDownloaderBinder = (FileDownloaderBinder) service;
1303                 if (mWaitingToPreview != null)
1304                     if (getStorageManager() != null) {
1305                          // update the file
1306                         mWaitingToPreview =
1307                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1308                         if (!mWaitingToPreview.isDown()) {
1309                             requestForDownload();
1310                         }
1311                     }
1312
1313             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1314                     FileUploader.class))) {
1315                 Log_OC.d(TAG, "Upload service connected");
1316                 mUploaderBinder = (FileUploaderBinder) service;
1317             } else {
1318                 return;
1319             }
1320             // a new chance to get the mDownloadBinder through
1321             // getFileDownloadBinder() - THIS IS A MESS
1322             OCFileListFragment listOfFiles = getListOfFilesFragment();
1323             if (listOfFiles != null) {
1324                 listOfFiles.listDirectory();
1325                 // TODO Enable when "On Device" is recovered ?
1326                 // listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1327             }
1328             FileFragment secondFragment = getSecondFragment();
1329             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1330                 FileDetailFragment detailFragment = (FileDetailFragment) secondFragment;
1331                 detailFragment.listenForTransferProgress();
1332                 detailFragment.updateFileDetails(false, false);
1333             }
1334         }
1335
1336         @Override
1337         public void onServiceDisconnected(ComponentName component) {
1338             if (component.equals(new ComponentName(FileDisplayActivity.this,
1339                     FileDownloader.class))) {
1340                 Log_OC.d(TAG, "Download service disconnected");
1341                 mDownloaderBinder = null;
1342             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1343                     FileUploader.class))) {
1344                 Log_OC.d(TAG, "Upload service disconnected");
1345                 mUploaderBinder = null;
1346             }
1347         }
1348     }
1349
1350     @Override
1351     public void onSavedCertificate() {
1352         startSyncFolderOperation(getCurrentDir(), false);
1353     }
1354
1355
1356     @Override
1357     public void onFailedSavingCertificate() {
1358         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1359                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1360         );
1361         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1362     }
1363
1364     @Override
1365     public void onCancelCertificate() {
1366         // nothing to do
1367     }
1368
1369     /**
1370      * Updates the view associated to the activity after the finish of some operation over files
1371      * in the current account.
1372      *
1373      * @param operation Removal operation performed.
1374      * @param result    Result of the removal.
1375      */
1376     @Override
1377     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1378         super.onRemoteOperationFinish(operation, result);
1379
1380         if (operation instanceof RemoveFileOperation) {
1381             onRemoveFileOperationFinish((RemoveFileOperation) operation, result);
1382
1383         } else if (operation instanceof RenameFileOperation) {
1384             onRenameFileOperationFinish((RenameFileOperation) operation, result);
1385
1386         } else if (operation instanceof SynchronizeFileOperation) {
1387             onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
1388
1389         } else if (operation instanceof CreateFolderOperation) {
1390             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
1391
1392         } else if (operation instanceof CreateShareOperation) {
1393             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1394
1395         } else if (operation instanceof UnshareLinkOperation) {
1396             onUnshareLinkOperationFinish((UnshareLinkOperation) operation, result);
1397
1398         } else if (operation instanceof MoveFileOperation) {
1399             onMoveFileOperationFinish((MoveFileOperation) operation, result);
1400
1401         } else if (operation instanceof CopyFileOperation) {
1402             onCopyFileOperationFinish((CopyFileOperation) operation, result);
1403         }
1404
1405     }
1406     private void onCreateShareOperationFinish(CreateShareOperation operation,
1407                                               RemoteOperationResult result) {
1408         if (result.isSuccess()) {
1409             refreshShowDetails();
1410             refreshListOfFilesFragment();
1411         }
1412     }
1413
1414     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation,
1415                                               RemoteOperationResult result) {
1416         if (result.isSuccess()) {
1417             refreshShowDetails();
1418             refreshListOfFilesFragment();
1419
1420         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1421             cleanSecondFragment();
1422             refreshListOfFilesFragment();
1423         }
1424     }
1425
1426     private void refreshShowDetails() {
1427         FileFragment details = getSecondFragment();
1428         if (details != null) {
1429             OCFile file = details.getFile();
1430             if (file != null) {
1431                 file = getStorageManager().getFileByPath(file.getRemotePath());
1432                 if (details instanceof PreviewMediaFragment) {
1433                     // Refresh  OCFile of the fragment
1434                     ((PreviewMediaFragment) details).updateFile(file);
1435                 } else if (details instanceof PreviewTextFragment) {
1436                     // Refresh  OCFile of the fragment
1437                     ((PreviewTextFragment) details).updateFile(file);
1438                 } else {
1439                     showDetails(file);
1440                 }
1441             }
1442             invalidateOptionsMenu();
1443         }
1444     }
1445
1446     /**
1447      * Updates the view associated to the activity after the finish of an operation trying to
1448      * remove a file.
1449      *
1450      * @param operation     Removal operation performed.
1451      * @param result        Result of the removal.
1452      */
1453     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1454                                              RemoteOperationResult result) {
1455         dismissLoadingDialog();
1456
1457         Toast msg = Toast.makeText(this,
1458                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1459                 Toast.LENGTH_LONG);
1460         msg.show();
1461
1462         if (result.isSuccess()) {
1463             OCFile removedFile = operation.getFile();
1464             FileFragment second = getSecondFragment();
1465             if (second != null && removedFile.equals(second.getFile())) {
1466                 if (second instanceof PreviewMediaFragment) {
1467                     ((PreviewMediaFragment) second).stopPreview(true);
1468                 }
1469                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1470                 cleanSecondFragment();
1471             }
1472             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())){
1473                 refreshListOfFilesFragment();
1474             }
1475             invalidateOptionsMenu();
1476         } else {
1477             if (result.isSslRecoverableException()) {
1478                 mLastSslUntrustedServerResult = result;
1479                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1480             }
1481         }
1482     }
1483
1484
1485     /**
1486      * Updates the view associated to the activity after the finish of an operation trying to move a
1487      * file.
1488      *
1489      * @param operation Move operation performed.
1490      * @param result    Result of the move operation.
1491      */
1492     private void onMoveFileOperationFinish(MoveFileOperation operation,
1493                                            RemoteOperationResult result) {
1494         if (result.isSuccess()) {
1495             dismissLoadingDialog();
1496             refreshListOfFilesFragment();
1497         } else {
1498             dismissLoadingDialog();
1499             try {
1500                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1501                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1502                         Toast.LENGTH_LONG);
1503                 msg.show();
1504
1505             } catch (NotFoundException e) {
1506                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1507             }
1508         }
1509     }
1510
1511     /**
1512      * Updates the view associated to the activity after the finish of an operation trying to copy a
1513      * file.
1514      *
1515      * @param operation Copy operation performed.
1516      * @param result    Result of the copy operation.
1517      */
1518     private void onCopyFileOperationFinish(CopyFileOperation operation, RemoteOperationResult result) {
1519         if (result.isSuccess()) {
1520             dismissLoadingDialog();
1521             refreshListOfFilesFragment();
1522         } else {
1523             dismissLoadingDialog();
1524             try {
1525                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1526                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1527                         Toast.LENGTH_LONG);
1528                 msg.show();
1529
1530             } catch (NotFoundException e) {
1531                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1532             }
1533         }
1534     }
1535
1536     /**
1537      * Updates the view associated to the activity after the finish of an operation trying to rename
1538      * a file.
1539      *
1540      * @param operation     Renaming operation performed.
1541      * @param result        Result of the renaming.
1542      */
1543     private void onRenameFileOperationFinish(RenameFileOperation operation,
1544                                              RemoteOperationResult result) {
1545         dismissLoadingDialog();
1546         OCFile renamedFile = operation.getFile();
1547         if (result.isSuccess()) {
1548             FileFragment details = getSecondFragment();
1549             if (details != null) {
1550                 if (details instanceof FileDetailFragment &&
1551                         renamedFile.equals(details.getFile()) ) {
1552                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1553                     showDetails(renamedFile);
1554
1555                 } else if (details instanceof PreviewMediaFragment &&
1556                         renamedFile.equals(details.getFile())) {
1557                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1558                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1559                         int position = ((PreviewMediaFragment) details).getPosition();
1560                         startMediaPreview(renamedFile, position, true);
1561                     } else {
1562                         getFileOperationsHelper().openFile(renamedFile);
1563                     }
1564                 } else if (details instanceof PreviewTextFragment &&
1565                         renamedFile.equals(details.getFile())) {
1566                     ((PreviewTextFragment) details).updateFile(renamedFile);
1567                     if (PreviewTextFragment.canBePreviewed(renamedFile)) {
1568                         startTextPreview(renamedFile);
1569                     } else {
1570                         getFileOperationsHelper().openFile(renamedFile);
1571                     }
1572                 }
1573             }
1574
1575             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1576                 refreshListOfFilesFragment();
1577             }
1578
1579         } else {
1580             Toast msg = Toast.makeText(this,
1581                     ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1582                     Toast.LENGTH_LONG);
1583             msg.show();
1584
1585             if (result.isSslRecoverableException()) {
1586                 mLastSslUntrustedServerResult = result;
1587                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1588             }
1589         }
1590     }
1591
1592     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
1593                                                   RemoteOperationResult result) {
1594         if (result.isSuccess()) {
1595             if (operation.transferWasRequested()) {
1596                 OCFile syncedFile = operation.getLocalFile();
1597                 onTransferStateChanged(syncedFile, true, true);
1598                 invalidateOptionsMenu();
1599                 refreshShowDetails();
1600             }
1601         }
1602     }
1603
1604     /**
1605      * Updates the view associated to the activity after the finish of an operation trying create a
1606      * new folder
1607      *
1608      * @param operation     Creation operation performed.
1609      * @param result        Result of the creation.
1610      */
1611     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1612                                                RemoteOperationResult result) {
1613         if (result.isSuccess()) {
1614             dismissLoadingDialog();
1615             refreshListOfFilesFragment();
1616         } else {
1617             dismissLoadingDialog();
1618             try {
1619                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1620                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1621                         Toast.LENGTH_LONG);
1622                 msg.show();
1623
1624             } catch (NotFoundException e) {
1625                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1626             }
1627         }
1628     }
1629
1630
1631     /**
1632      * {@inheritDoc}
1633      */
1634     @Override
1635     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1636         refreshListOfFilesFragment();
1637         FileFragment details = getSecondFragment();
1638         if (details != null && details instanceof FileDetailFragment &&
1639                 file.equals(details.getFile()) ) {
1640             if (downloading || uploading) {
1641                 ((FileDetailFragment) details).updateFileDetails(file, getAccount());
1642             } else {
1643                 if (!file.fileExists()) {
1644                     cleanSecondFragment();
1645                 } else {
1646                     ((FileDetailFragment) details).updateFileDetails(false, true);
1647                 }
1648             }
1649         }
1650
1651     }
1652
1653
1654     private void requestForDownload() {
1655         Account account = getAccount();
1656         //if (!mWaitingToPreview.isDownloading()) {
1657         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1658             Intent i = new Intent(this, FileDownloader.class);
1659             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1660             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1661             startService(i);
1662         }
1663     }
1664
1665
1666     private OCFile getCurrentDir() {
1667         OCFile file = getFile();
1668         if (file != null) {
1669             if (file.isFolder()) {
1670                 return file;
1671             } else if (getStorageManager() != null) {
1672                 String parentPath = file.getRemotePath().substring(0,
1673                         file.getRemotePath().lastIndexOf(file.getFileName()));
1674                 return getStorageManager().getFileByPath(parentPath);
1675             }
1676         }
1677         return null;
1678     }
1679
1680     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1681         long currentSyncTime = System.currentTimeMillis();
1682
1683         mSyncInProgress = true;
1684
1685         // perform folder synchronization
1686         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1687                 currentSyncTime,
1688                 false,
1689                 getFileOperationsHelper().isSharedSupported(),
1690                 ignoreETag,
1691                 getStorageManager(),
1692                 getAccount(),
1693                 getApplicationContext()
1694         );
1695         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1696
1697         mProgressBar.setIndeterminate(true);
1698
1699         setBackgroundText();
1700     }
1701
1702     /**
1703      * Show untrusted cert dialog
1704      */
1705     public void showUntrustedCertDialog(RemoteOperationResult result) {
1706         // Show a dialog with the certificate info
1707         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1708                 (CertificateCombinedException) result.getException());
1709         FragmentManager fm = getSupportFragmentManager();
1710         FragmentTransaction ft = fm.beginTransaction();
1711         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1712     }
1713
1714     private void requestForDownload(OCFile file) {
1715         Account account = getAccount();
1716         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1717             Intent i = new Intent(this, FileDownloader.class);
1718             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1719             i.putExtra(FileDownloader.EXTRA_FILE, file);
1720             startService(i);
1721         }
1722     }
1723
1724     private void sendDownloadedFile() {
1725         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1726         mWaitingToSend = null;
1727     }
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 send the file
1733      * when the download finishes.
1734      *
1735      * @param file {@link OCFile} to download and preview.
1736      */
1737     public void startDownloadForSending(OCFile file) {
1738         mWaitingToSend = file;
1739         requestForDownload(mWaitingToSend);
1740         boolean hasSecondFragment = (getSecondFragment() != null);
1741         updateFragmentsVisibility(hasSecondFragment);
1742     }
1743
1744     /**
1745      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1746      *
1747      * @param file Image {@link OCFile} to show.
1748      */
1749     public void startImagePreview(OCFile file) {
1750         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1751         showDetailsIntent.putExtra(EXTRA_FILE, file);
1752         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1753         startActivity(showDetailsIntent);
1754     }
1755
1756     /**
1757      * Stars the preview of an already down media {@link OCFile}.
1758      *
1759      * @param file                      Media {@link OCFile} to preview.
1760      * @param startPlaybackPosition     Media position where the playback will be started,
1761      *                                  in milliseconds.
1762      * @param autoplay                  When 'true', the playback will start without user
1763      *                                  interactions.
1764      */
1765     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1766         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1767                 autoplay);
1768         setSecondFragment(mediaFragment);
1769         updateFragmentsVisibility(true);
1770         updateActionBarTitleAndHomeButton(file);
1771         setFile(file);
1772     }
1773
1774     /**
1775      * Stars the preview of a text file {@link OCFile}.
1776      *
1777      * @param file Text {@link OCFile} to preview.
1778      */
1779     public void startTextPreview(OCFile file) {
1780         Bundle args = new Bundle();
1781         args.putParcelable(EXTRA_FILE, file);
1782         args.putParcelable(EXTRA_ACCOUNT, getAccount());
1783         Fragment textPreviewFragment = Fragment.instantiate(getApplicationContext(),
1784                 PreviewTextFragment.class.getName(), args);
1785         setSecondFragment(textPreviewFragment);
1786         updateFragmentsVisibility(true);
1787         //updateNavigationElementsInActionBar(file);
1788         setFile(file);
1789     }
1790
1791     /**
1792      * Requests the download of the received {@link OCFile} , updates the UI
1793      * to monitor the download progress and prepares the activity to preview
1794      * or open the file when the download finishes.
1795      *
1796      * @param file {@link OCFile} to download and preview.
1797      */
1798     public void startDownloadForPreview(OCFile file) {
1799         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1800         setSecondFragment(detailFragment);
1801         mWaitingToPreview = file;
1802         requestForDownload();
1803         updateFragmentsVisibility(true);
1804         updateActionBarTitleAndHomeButton(file);
1805         setFile(file);
1806     }
1807
1808
1809     public void cancelTransference(OCFile file) {
1810         getFileOperationsHelper().cancelTransference(file);
1811         if (mWaitingToPreview != null &&
1812                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1813             mWaitingToPreview = null;
1814         }
1815         if (mWaitingToSend != null &&
1816                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1817             mWaitingToSend = null;
1818         }
1819         onTransferStateChanged(file, false, false);
1820     }
1821
1822     @Override
1823     public void onRefresh(boolean ignoreETag) {
1824         refreshList(ignoreETag);
1825     }
1826
1827     @Override
1828     public void onRefresh() {
1829         refreshList(true);
1830     }
1831
1832     private void refreshList(boolean ignoreETag) {
1833         OCFileListFragment listOfFiles = getListOfFilesFragment();
1834         if (listOfFiles != null) {
1835             OCFile folder = listOfFiles.getCurrentFile();
1836             if (folder != null) {
1837                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1838                 listDirectory(mFile);*/
1839                 startSyncFolderOperation(folder, ignoreETag);
1840             }
1841         }
1842     }
1843
1844     private void sortByDate(boolean ascending) {
1845         getListOfFilesFragment().sortByDate(ascending);
1846     }
1847
1848     private void sortBySize(boolean ascending) {
1849         getListOfFilesFragment().sortBySize(ascending);
1850     }
1851
1852     private void sortByName(boolean ascending) {
1853         getListOfFilesFragment().sortByName(ascending);
1854     }
1855     private boolean isGridView(){ return getListOfFilesFragment().isGridView(); }
1856     private void switchToGridView() {
1857         getListOfFilesFragment().switchToGridView();
1858     }
1859     private void switchToListView() {
1860         getListOfFilesFragment().switchToListView();
1861     }
1862
1863    public void allFilesOption() {
1864        browseToRoot();
1865    }
1866 }