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.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.view.GravityCompat;
  52 import android.support.v7.app.ActionBar;
  53 import android.view.Menu;
  54 import android.view.MenuInflater;
  55 import android.view.MenuItem;
  56 import android.view.View;
  57 import android.view.ViewGroup;
  58 import android.view.Window;
  59 import android.widget.ArrayAdapter;
  60 import android.widget.TextView;
  61 import android.widget.Toast;
  62
  63 import com.owncloud.android.MainApp;
  64 import com.owncloud.android.R;
  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.lib.resources.files.FileUtils;
  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.PreviewVideoActivity;
 103 import com.owncloud.android.utils.DisplayUtils;
 104 import com.owncloud.android.utils.ErrorMessageAdapter;
 105 import com.owncloud.android.utils.FileStorageUtils;
 106 import com.owncloud.android.utils.UriUtils;
 107
 108 import java.io.File;
 109
 110
 111 /**
 112  * Displays, what files the user has available in his ownCloud.
 113  */
 114
 115 public class FileDisplayActivity extends HookActivity implements
 116         FileFragment.ContainerActivity, ActionBar.OnNavigationListener,
 117         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 118
 119     private ArrayAdapter<String> mDirectories;
 120
 121     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 122     private UploadFinishReceiver mUploadFinishReceiver;
 123     private DownloadFinishReceiver mDownloadFinishReceiver;
 124     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 125
 126     private boolean mDualPane;
 127     private View mLeftFragmentContainer;
 128     private View mRightFragmentContainer;
 129
 130     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 131     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 132     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 133
 134     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 135
 136     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 137     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 138     public static final int ACTION_MOVE_FILES = 3;
 139
 140     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 141
 142     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 143     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 144
 145     private OCFile mWaitingToPreview;
 146
 147     private boolean mSyncInProgress = false;
 148
 149     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 150     private static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 151     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 152     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 153
 154     private OCFile mWaitingToSend;
 155
 156
 157     @Override
 158     protected void onCreate(Bundle savedInstanceState) {
 159         Log_OC.v(TAG, "onCreate() start");
 160         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 161
 162         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account
 163                                             // is valid
 164
 165         /// grant that FileObserverService is watching favorite files
 166         if (savedInstanceState == null) {
 167             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 168             startService(initObserversIntent);
 169         }
 170
 171         /// Load of saved instance state
 172         if(savedInstanceState != null) {
 173             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(
 174                     FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 175             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 176             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(
 177                     FileDisplayActivity.KEY_WAITING_TO_SEND);
 178
 179         } else {
 180             mWaitingToPreview = null;
 181             mSyncInProgress = false;
 182             mWaitingToSend = null;
 183         }
 184
 185         /// USER INTERFACE
 186
 187         // Inflate and set the layout view
 188         setContentView(R.layout.files);
 189
 190         // Navigation Drawer
 191         initDrawer();
 192
 193         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 194         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 195         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 196         if (savedInstanceState == null) {
 197             createMinFragments();
 198         }
 199
 200         // Action bar setup
 201         mDirectories = new CustomArrayAdapter<String>(this,
 202                 R.layout.support_simple_spinner_dropdown_item);
 203         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 204                                                                 // according to the official
 205                                                                 // documentation
 206
 207         setSupportProgressBarIndeterminateVisibility(mSyncInProgress
 208         /*|| mRefreshSharesInProgress*/);
 209         // always AFTER setContentView(...) ; to work around bug in its implementation
 210
 211         setBackgroundText();
 212
 213         Log_OC.v(TAG, "onCreate() end");
 214     }
 215
 216     @Override
 217     protected void onStart() {
 218         Log_OC.v(TAG, "onStart() start");
 219         super.onStart();
 220         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 221         Log_OC.v(TAG, "onStart() end");
 222     }
 223
 224     @Override
 225     protected void onDestroy() {
 226         Log_OC.v(TAG, "onDestroy() start");
 227         super.onDestroy();
 228         Log_OC.v(TAG, "onDestroy() end");
 229     }
 230
 231     /**
 232      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 233      */
 234     @Override
 235     protected void onAccountSet(boolean stateWasRecovered) {
 236         super.onAccountSet(stateWasRecovered);
 237         if (getAccount() != null) {
 238             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 239             // current Account
 240             OCFile file = getFile();
 241             // get parent from path
 242             String parentPath = "";
 243             if (file != null) {
 244                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 245                     // upload in progress - right now, files are not inserted in the local
 246                     // cache until the upload is successful get parent from path
 247                     parentPath = file.getRemotePath().substring(0,
 248                             file.getRemotePath().lastIndexOf(file.getFileName()));
 249                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 250                         file = null; // not able to know the directory where the file is uploading
 251                 } else {
 252                     file = getStorageManager().getFileByPath(file.getRemotePath());
 253                     // currentDir = null if not in the current Account
 254                 }
 255             }
 256             if (file == null) {
 257                 // fall back to root folder
 258                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 259             }
 260             setFile(file);
 261             setNavigationListWithFolder(file);
 262
 263             if (!stateWasRecovered) {
 264                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 265                 initFragmentsWithFile();
 266                 if (file.isFolder()) {
 267                     startSyncFolderOperation(file, false);
 268                 }
 269
 270             } else {
 271                 updateFragmentsVisibility(!file.isFolder());
 272                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 273             }
 274         }
 275     }
 276
 277
 278     private void setNavigationListWithFolder(OCFile file) {
 279         mDirectories.clear();
 280         OCFile fileIt = file;
 281         String parentPath;
 282         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 283             if (fileIt.isFolder()) {
 284                 mDirectories.add(fileIt.getFileName());
 285             }
 286             // get parent from path
 287             parentPath = fileIt.getRemotePath().substring(0,
 288                     fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 289             fileIt = getStorageManager().getFileByPath(parentPath);
 290         }
 291         mDirectories.add(OCFile.PATH_SEPARATOR);
 292     }
 293
 294
 295     private void createMinFragments() {
 296         OCFileListFragment listOfFiles = new OCFileListFragment();
 297         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 298         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 299         transaction.commit();
 300     }
 301
 302     private void initFragmentsWithFile() {
 303         if (getAccount() != null && getFile() != null) {
 304             /// First fragment
 305             OCFileListFragment listOfFiles = getListOfFilesFragment();
 306             if (listOfFiles != null) {
 307                 listOfFiles.listDirectory(getCurrentDir());
 308                 // TODO Enable when "On Device" is recovered
 309                 // listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 310             } else {
 311                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 312             }
 313
 314             /// Second fragment
 315             OCFile file = getFile();
 316             Fragment secondFragment = chooseInitialSecondFragment(file);
 317             if (secondFragment != null) {
 318                 setSecondFragment(secondFragment);
 319                 updateFragmentsVisibility(true);
 320                 updateNavigationElementsInActionBar(file);
 321
 322             } else {
 323                 cleanSecondFragment();
 324             }
 325
 326         } else {
 327             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 328             if (getAccount() == null) {
 329                 Log_OC.wtf(TAG, "\t account is NULL");
 330             }
 331             if (getFile() == null) {
 332                 Log_OC.wtf(TAG, "\t file is NULL");
 333             }
 334         }
 335     }
 336
 337     private Fragment chooseInitialSecondFragment(OCFile file) {
 338         Fragment secondFragment = null;
 339         if (file != null && !file.isFolder()) {
 340             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 341                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 342                     ) {
 343                 int startPlaybackPosition =
 344                         getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 345                 boolean autoplay =
 346                         getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 347                 secondFragment = new PreviewMediaFragment(file, getAccount(),
 348                         startPlaybackPosition, autoplay);
 349
 350             } else {
 351                 secondFragment = new FileDetailFragment(file, getAccount());
 352             }
 353         }
 354         return secondFragment;
 355     }
 356
 357
 358     /**
 359      * Replaces the second fragment managed by the activity with the received as
 360      * a parameter.
 361      *
 362      * Assumes never will be more than two fragments managed at the same time.
 363      *
 364      * @param fragment      New second Fragment to set.
 365      */
 366     private void setSecondFragment(Fragment fragment) {
 367         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 368         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 369         transaction.commit();
 370     }
 371
 372
 373     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 374         if (mDualPane) {
 375             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 376                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 377             }
 378             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 379                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 380             }
 381
 382         } else if (existsSecondFragment) {
 383             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 384                 mLeftFragmentContainer.setVisibility(View.GONE);
 385             }
 386             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 387                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 388             }
 389
 390         } else {
 391             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 392                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 393             }
 394             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 395                 mRightFragmentContainer.setVisibility(View.GONE);
 396             }
 397         }
 398     }
 399
 400
 401     private OCFileListFragment getListOfFilesFragment() {
 402         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 403                 FileDisplayActivity.TAG_LIST_OF_FILES);
 404         if (listOfFiles != null) {
 405             return (OCFileListFragment)listOfFiles;
 406         }
 407         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 408         return null;
 409     }
 410
 411     public FileFragment getSecondFragment() {
 412         Fragment second = getSupportFragmentManager().findFragmentByTag(
 413                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 414         if (second != null) {
 415             return (FileFragment)second;
 416         }
 417         return null;
 418     }
 419
 420     protected void cleanSecondFragment() {
 421         Fragment second = getSecondFragment();
 422         if (second != null) {
 423             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 424             tr.remove(second);
 425             tr.commit();
 426         }
 427         updateFragmentsVisibility(false);
 428         updateNavigationElementsInActionBar(null);
 429     }
 430
 431     protected void refreshListOfFilesFragment() {
 432         OCFileListFragment fileListFragment = getListOfFilesFragment();
 433         if (fileListFragment != null) {
 434             fileListFragment.listDirectory();
 435             // TODO Enable when "On Device" is recovered ?
 436             // fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 437         }
 438     }
 439
 440     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath,
 441                                          boolean success) {
 442         FileFragment secondFragment = getSecondFragment();
 443         boolean waitedPreview = (mWaitingToPreview != null &&
 444                 mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 445         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 446             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 447             OCFile fileInFragment = detailsFragment.getFile();
 448             if (fileInFragment != null &&
 449                     !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 450                 // the user browsed to other file ; forget the automatic preview
 451                 mWaitingToPreview = null;
 452
 453             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 454                 // grant that the right panel updates the progress bar
 455                 detailsFragment.listenForTransferProgress();
 456                 detailsFragment.updateFileDetails(true, false);
 457
 458             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 459                 //  update the right panel
 460                 boolean detailsFragmentChanged = false;
 461                 if (waitedPreview) {
 462                     if (success) {
 463                         mWaitingToPreview = getStorageManager().getFileById(
 464                                 mWaitingToPreview.getFileId());   // update the file from database,
 465                                                                   // for the local storage path
 466                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 467                             startMediaPreview(mWaitingToPreview, 0, true);
 468                             detailsFragmentChanged = true;
 469                         } else {
 470                             getFileOperationsHelper().openFile(mWaitingToPreview);
 471                         }
 472                     }
 473                     mWaitingToPreview = null;
 474                 }
 475                 if (!detailsFragmentChanged) {
 476                     detailsFragment.updateFileDetails(false, (success));
 477                 }
 478             }
 479         }
 480     }
 481
 482     @Override
 483     public boolean onPrepareOptionsMenu(Menu menu) {
 484         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 485         menu.findItem(R.id.action_upload).setVisible(!drawerOpen);
 486         menu.findItem(R.id.action_create_dir).setVisible(!drawerOpen);
 487         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 488         menu.findItem(R.id.action_sync_account).setVisible(!drawerOpen);
 489
 490         return super.onPrepareOptionsMenu(menu);
 491     }
 492
 493     @Override
 494     public boolean onCreateOptionsMenu(Menu menu) {
 495         MenuInflater inflater = getMenuInflater();
 496         inflater.inflate(R.menu.main_menu, menu);
 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_create_dir: {
 506                 CreateFolderDialogFragment dialog =
 507                         CreateFolderDialogFragment.newInstance(getCurrentDir());
 508                 dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 509                 break;
 510             }
 511             case R.id.action_sync_account: {
 512                 startSynchronization();
 513                 break;
 514             }
 515             case R.id.action_upload: {
 516                 UploadSourceDialogFragment dialog =
 517                         UploadSourceDialogFragment.newInstance(getAccount());
 518                 dialog.show(getSupportFragmentManager(), DIALOG_UPLOAD_SOURCE);
 519
 520                 break;
 521             }
 522             case android.R.id.home: {
 523                 FileFragment second = getSecondFragment();
 524                 OCFile currentDir = getCurrentDir();
 525                 if((currentDir != null && currentDir.getParentId() != 0) ||
 526                         (second != null && second.getFile() != null)) {
 527                     onBackPressed();
 528
 529                 } else {
 530                     if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 531                         mDrawerLayout.closeDrawer(GravityCompat.START);
 532                     } else {
 533                         mDrawerLayout.openDrawer(GravityCompat.START);
 534                     }
 535                 }
 536                 break;
 537             }
 538             case R.id.action_sort: {
 539                 SharedPreferences appPreferences = PreferenceManager
 540                         .getDefaultSharedPreferences(this);
 541
 542                 // Read sorting order, default to sort by name ascending
 543                 Integer sortOrder = appPreferences
 544                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 545
 546                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 547                 builder.setTitle(R.string.actionbar_sort_title)
 548                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 549                                 new DialogInterface.OnClickListener() {
 550                             public void onClick(DialogInterface dialog, int which) {
 551                                 switch (which){
 552                                     case 0:
 553                                         sortByName(true);
 554                                         break;
 555                                     case 1:
 556                                         sortByDate(false);
 557                                         break;
 558                                 }
 559
 560                                 dialog.dismiss();
 561                             }
 562                         });
 563                 builder.create().show();
 564                 break;
 565             }
 566         default:
 567             retval = super.onOptionsItemSelected(item);
 568         }
 569         return retval;
 570     }
 571
 572     private void startSynchronization() {
 573         Log_OC.d(TAG, "Got to start sync");
 574         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 575             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 576             ContentResolver.cancelSync(null, MainApp.getAuthority());
 577             // cancel the current synchronizations of any ownCloud account
 578             Bundle bundle = new Bundle();
 579             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 580             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 581             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 582                     MainApp.getAuthority());
 583             ContentResolver.requestSync(
 584                     getAccount(),
 585                     MainApp.getAuthority(), bundle);
 586         } else {
 587             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 588                     MainApp.getAuthority() + " with new API");
 589             SyncRequest.Builder builder = new SyncRequest.Builder();
 590             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 591             builder.setExpedited(true);
 592             builder.setManual(true);
 593             builder.syncOnce();
 594
 595             // Fix bug in Android Lollipop when you click on refresh the whole account
 596             Bundle extras = new Bundle();
 597             builder.setExtras(extras);
 598
 599             SyncRequest request = builder.build();
 600             ContentResolver.requestSync(request);
 601         }
 602     }
 603
 604
 605     @Override
 606     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 607         if (itemPosition != 0) {
 608             String targetPath = "";
 609             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 610                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 611             }
 612             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 613             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 614             if (targetFolder != null) {
 615                 browseTo(targetFolder);
 616             }
 617
 618             // the next operation triggers a new call to this method, but it's necessary to
 619             // ensure that the name exposed in the action bar is the current directory when the
 620             // user selected it in the navigation list
 621             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  &&
 622                     itemPosition != 0)
 623                 getSupportActionBar().setSelectedNavigationItem(0);
 624         }
 625         return true;
 626     }
 627
 628     /**
 629      * Called, when the user selected something for uploading
 630      *
 631      */
 632     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 633     @Override
 634     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 635
 636         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 637                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 638             //getClipData is only supported on api level 16+, Jelly Bean
 639             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 640                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 641                     Intent intent = new Intent();
 642                     intent.setData(data.getClipData().getItemAt(i).getUri());
 643                     requestSimpleUpload(intent, resultCode);
 644                 }
 645             }else {
 646                 requestSimpleUpload(data, resultCode);
 647             }
 648         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 649                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 650             requestMultipleUpload(data, resultCode);
 651
 652         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 653
 654             final Intent fData = data;
 655             final int fResultCode = resultCode;
 656             getHandler().postDelayed(
 657                 new Runnable() {
 658                     @Override
 659                     public void run() {
 660                         requestMoveOperation(fData, fResultCode);
 661                     }
 662                 },
 663                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 664             );
 665
 666         } else {
 667             super.onActivityResult(requestCode, resultCode, data);
 668         }
 669
 670     }
 671
 672     private void requestMultipleUpload(Intent data, int resultCode) {
 673         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 674         if (filePaths != null) {
 675             String[] remotePaths = new String[filePaths.length];
 676             String remotePathBase = "";
 677
 678             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 679                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 680             }
 681             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 682                 remotePathBase += OCFile.PATH_SEPARATOR;
 683             for (int j = 0; j< remotePaths.length; j++) {
 684                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 685             }
 686
 687             Intent i = new Intent(this, FileUploader.class);
 688             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 689             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 690             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 691             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 692             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 693                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 694             startService(i);
 695
 696         } else {
 697             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 698             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 699                     Toast.LENGTH_LONG);
 700             t.show();
 701             return;
 702         }
 703     }
 704
 705
 706     private void requestSimpleUpload(Intent data, int resultCode) {
 707         String filePath = null;
 708         String mimeType = null;
 709
 710         Uri selectedImageUri = data.getData();
 711
 712         try {
 713             mimeType = getContentResolver().getType(selectedImageUri);
 714
 715             String fileManagerString = selectedImageUri.getPath();
 716             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 717
 718             if (selectedImagePath != null)
 719                 filePath = selectedImagePath;
 720             else
 721                 filePath = fileManagerString;
 722
 723         } catch (Exception e) {
 724             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 725                     "Intent.ACTION_GET_CONTENT", e);
 726
 727         } finally {
 728             if (filePath == null) {
 729                 Log_OC.e(TAG, "Couldn't resolve path to file");
 730                 Toast t = Toast.makeText(
 731                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 732                         Toast.LENGTH_LONG
 733                 );
 734                 t.show();
 735                 return;
 736             }
 737         }
 738
 739         Intent i = new Intent(this, FileUploader.class);
 740         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 741         OCFile currentDir = getCurrentDir();
 742         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 743
 744         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 745             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 746             try {
 747                 if (cursor != null && cursor.moveToFirst()) {
 748                     String displayName = cursor.getString(cursor.getColumnIndex(
 749                             OpenableColumns.DISPLAY_NAME));
 750                     Log_OC.v(TAG, "Display Name: " + displayName );
 751
 752                     displayName.replace(File.separatorChar, '_');
 753                     displayName.replace(File.pathSeparatorChar, '_');
 754                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 755
 756                 }
 757                 // and what happens in case of error?; wrong target name for the upload
 758             } finally {
 759                 cursor.close();
 760             }
 761
 762         } else {
 763             remotePath += new File(filePath).getName();
 764         }
 765
 766         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 767         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 768         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 769         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 770         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 771         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 772         startService(i);
 773     }
 774
 775     /**
 776      * Request the operation for moving the file/folder from one path to another
 777      *
 778      * @param data              Intent received
 779      * @param resultCode        Result code received
 780      */
 781     private void requestMoveOperation(Intent data, int resultCode) {
 782         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 783         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 784         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 785     }
 786
 787     @Override
 788     public void onBackPressed() {
 789         OCFileListFragment listOfFiles = getListOfFilesFragment();
 790         if (mDualPane || getSecondFragment() == null) {
 791             if (listOfFiles != null) {  // should never be null, indeed
 792                 if (mDirectories.getCount() <= 1) {
 793                     finish();
 794                     return;
 795                 }
 796                 int levelsUp = listOfFiles.onBrowseUp();
 797                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 798                     popDirname();
 799                 }
 800             }
 801         }
 802         if (listOfFiles != null) {  // should never be null, indeed
 803             setFile(listOfFiles.getCurrentFile());
 804         }
 805         cleanSecondFragment();
 806
 807     }
 808
 809     @Override
 810     protected void onSaveInstanceState(Bundle outState) {
 811         // responsibility of restore is preferred in onCreate() before than in
 812         // onRestoreInstanceState when there are Fragments involved
 813         Log_OC.v(TAG, "onSaveInstanceState() start");
 814         super.onSaveInstanceState(outState);
 815         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 816         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 817         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 818         // mRefreshSharesInProgress);
 819         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 820
 821         Log_OC.v(TAG, "onSaveInstanceState() end");
 822     }
 823
 824
 825
 826     @Override
 827     protected void onResume() {
 828         Log_OC.v(TAG, "onResume() start");
 829         super.onResume();
 830
 831         // refresh Navigation Drawer account list
 832         mNavigationDrawerAdapter.updateAccountList();
 833
 834         // refresh list of files
 835         refreshListOfFilesFragment();
 836
 837         // Listen for sync messages
 838         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 839         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 840         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 841         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 842         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 843         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 844         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 845         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 846         // syncIntentFilter);
 847
 848         // Listen for upload messages
 849         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 850         mUploadFinishReceiver = new UploadFinishReceiver();
 851         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 852
 853         // Listen for download messages
 854         IntentFilter downloadIntentFilter = new IntentFilter(
 855                 FileDownloader.getDownloadAddedMessage());
 856         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 857         mDownloadFinishReceiver = new DownloadFinishReceiver();
 858         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 859
 860         Log_OC.v(TAG, "onResume() end");
 861     }
 862
 863
 864     @Override
 865     protected void onPause() {
 866         Log_OC.v(TAG, "onPause() start");
 867         if (mSyncBroadcastReceiver != null) {
 868             unregisterReceiver(mSyncBroadcastReceiver);
 869             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 870             mSyncBroadcastReceiver = null;
 871         }
 872         if (mUploadFinishReceiver != null) {
 873             unregisterReceiver(mUploadFinishReceiver);
 874             mUploadFinishReceiver = null;
 875         }
 876         if (mDownloadFinishReceiver != null) {
 877             unregisterReceiver(mDownloadFinishReceiver);
 878             mDownloadFinishReceiver = null;
 879         }
 880
 881         super.onPause();
 882         Log_OC.v(TAG, "onPause() end");
 883     }
 884
 885     /**
 886      * Pushes a directory to the drop down list
 887      * @param directory to push
 888      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 889      */
 890     public void pushDirname(OCFile directory) {
 891         if(!directory.isFolder()){
 892             throw new IllegalArgumentException("Only directories may be pushed!");
 893         }
 894         mDirectories.insert(directory.getFileName(), 0);
 895         setFile(directory);
 896     }
 897
 898     /**
 899      * Pops a directory name from the drop down list
 900      * @return True, unless the stack is empty
 901      */
 902     public boolean popDirname() {
 903         mDirectories.remove(mDirectories.getItem(0));
 904         return !mDirectories.isEmpty();
 905     }
 906
 907     // Custom array adapter to override text colors
 908     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 909
 910         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 911             super(ctx, view);
 912         }
 913
 914         public View getView(int position, View convertView, ViewGroup parent) {
 915             View v = super.getView(position, convertView, parent);
 916
 917             ((TextView) v).setTextColor(getResources().getColorStateList(
 918                     android.R.color.white));
 919
 920             fixRoot((TextView) v );
 921             return v;
 922         }
 923
 924         public View getDropDownView(int position, View convertView,
 925                 ViewGroup parent) {
 926             View v = super.getDropDownView(position, convertView, parent);
 927
 928             ((TextView) v).setTextColor(getResources().getColorStateList(
 929                     android.R.color.white));
 930
 931             fixRoot((TextView) v );
 932             return v;
 933         }
 934
 935         private void fixRoot(TextView v) {
 936             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 937                 v.setText(R.string.default_display_name_for_root_folder);
 938             }
 939         }
 940
 941     }
 942
 943     private class SyncBroadcastReceiver extends BroadcastReceiver {
 944
 945         /**
 946          * {@link BroadcastReceiver} to enable syncing feedback in UI
 947          */
 948         @Override
 949         public void onReceive(Context context, Intent intent) {
 950             try {
 951                 String event = intent.getAction();
 952                 Log_OC.d(TAG, "Received broadcast " + event);
 953                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 954                 String synchFolderRemotePath =
 955                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 956                 RemoteOperationResult synchResult =
 957                         (RemoteOperationResult)intent.getSerializableExtra(
 958                                 FileSyncAdapter.EXTRA_RESULT);
 959                 boolean sameAccount = (getAccount() != null &&
 960                         accountName.equals(getAccount().name) && getStorageManager() != null);
 961
 962                 if (sameAccount) {
 963
 964                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 965                         mSyncInProgress = true;
 966
 967                     } else {
 968                         OCFile currentFile = (getFile() == null) ? null :
 969                                 getStorageManager().getFileByPath(getFile().getRemotePath());
 970                         OCFile currentDir = (getCurrentDir() == null) ? null :
 971                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 972
 973                         if (currentDir == null) {
 974                             // current folder was removed from the server
 975                             Toast.makeText( FileDisplayActivity.this,
 976                                             String.format(
 977                                                     getString(R.string.
 978                                                             sync_current_folder_was_removed),
 979                                                     mDirectories.getItem(0)),
 980                                             Toast.LENGTH_LONG)
 981                                 .show();
 982                             browseToRoot();
 983
 984                         } else {
 985                             if (currentFile == null && !getFile().isFolder()) {
 986                                 // currently selected file was removed in the server, and now we
 987                                 // know it
 988                                 cleanSecondFragment();
 989                                 currentFile = currentDir;
 990                             }
 991
 992                             if (synchFolderRemotePath != null &&
 993                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 994                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 995                                 if (fileListFragment != null) {
 996                                     fileListFragment.listDirectory();
 997                                     // TODO Enable when "On Device" is recovered ?
 998                                     // fileListFragment.listDirectory(currentDir,
 999                                     // MainApp.getOnlyOnDevice());
1000                                 }
1001                             }
1002                             setFile(currentFile);
1003                         }
1004
1005                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
1006                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
1007                                         .equals(event));
1008
1009                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1010                                     equals(event) &&
1011                                 /// TODO refactor and make common
1012                                 synchResult != null && !synchResult.isSuccess() &&
1013                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1014                                     synchResult.isIdPRedirection()                  ||
1015                                     (synchResult.isException() && synchResult.getException()
1016                                             instanceof AuthenticatorException))) {
1017
1018
1019                             try {
1020                                 OwnCloudClient client;
1021                                 OwnCloudAccount ocAccount =
1022                                         new OwnCloudAccount(getAccount(), context);
1023                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1024                                         removeClientFor(ocAccount));
1025
1026                                 if (client != null) {
1027                                     OwnCloudCredentials cred = client.getCredentials();
1028                                     if (cred != null) {
1029                                         AccountManager am = AccountManager.get(context);
1030                                         if (cred.authTokenExpires()) {
1031                                             am.invalidateAuthToken(
1032                                                     getAccount().type,
1033                                                     cred.getAuthToken()
1034                                             );
1035                                         } else {
1036                                             am.clearPassword(getAccount());
1037                                         }
1038                                     }
1039                                 }
1040                                 requestCredentialsUpdate();
1041
1042                             } catch (AccountNotFoundException e) {
1043                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1044                             }
1045
1046                         }
1047                     }
1048                     removeStickyBroadcast(intent);
1049                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1050                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress
1051                     /*|| mRefreshSharesInProgress*/);
1052
1053                     setBackgroundText();
1054
1055                 }
1056
1057                 if (synchResult != null) {
1058                     if (synchResult.getCode().equals(
1059                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1060                         mLastSslUntrustedServerResult = synchResult;
1061                     }
1062                 }
1063             } catch (RuntimeException e) {
1064                 // avoid app crashes after changing the serial id of RemoteOperationResult
1065                 // in owncloud library with broadcast notifications pending to process
1066                 removeStickyBroadcast(intent);
1067             }
1068         }
1069     }
1070
1071     /**
1072      * Show a text message on screen view for notifying user if content is
1073      * loading or folder is empty
1074      */
1075     private void setBackgroundText() {
1076         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1077         if (ocFileListFragment != null) {
1078             int message = R.string.file_list_loading;
1079             if (!mSyncInProgress) {
1080                 // In case file list is empty
1081                 message = R.string.file_list_empty;
1082             }
1083             ocFileListFragment.setMessageForEmptyList(getString(message));
1084         } else {
1085             Log_OC.e(TAG, "OCFileListFragment is null");
1086         }
1087     }
1088
1089     /**
1090      * Once the file upload has finished -> update view
1091      */
1092     private class UploadFinishReceiver extends BroadcastReceiver {
1093         /**
1094          * Once the file upload has finished -> update view
1095          *  @author David A. Velasco
1096          * {@link BroadcastReceiver} to enable upload feedback in UI
1097          */
1098         @Override
1099         public void onReceive(Context context, Intent intent) {
1100             try {
1101                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1102                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1103                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1104                 OCFile currentDir = getCurrentDir();
1105                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1106                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1107
1108                 if (sameAccount && isDescendant) {
1109                     refreshListOfFilesFragment();
1110                 }
1111
1112                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1113                         false);
1114                 boolean renamedInUpload = getFile().getRemotePath().
1115                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1116                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1117                         renamedInUpload;
1118                 FileFragment details = getSecondFragment();
1119                 boolean detailFragmentIsShown = (details != null &&
1120                         details instanceof FileDetailFragment);
1121
1122                 if (sameAccount && sameFile && detailFragmentIsShown) {
1123                     if (uploadWasFine) {
1124                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1125                     }
1126                     if (renamedInUpload) {
1127                         String newName = (new File(uploadedRemotePath)).getName();
1128                         Toast msg = Toast.makeText(
1129                                 context,
1130                                 String.format(
1131                                         getString(R.string.filedetails_renamed_in_upload_msg),
1132                                         newName),
1133                                 Toast.LENGTH_LONG);
1134                         msg.show();
1135                     }
1136                     if (uploadWasFine || getFile().fileExists()) {
1137                         ((FileDetailFragment)details).updateFileDetails(false, true);
1138                     } else {
1139                         cleanSecondFragment();
1140                     }
1141
1142                     // Force the preview if the file is an image
1143                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1144                         startImagePreview(getFile());
1145                     } // TODO what about other kind of previews?
1146                 }
1147
1148             } finally {
1149                 if (intent != null) {
1150                     removeStickyBroadcast(intent);
1151                 }
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         //int refreshCounter = 0;
1168         @Override
1169         public void onReceive(Context context, Intent intent) {
1170             try {
1171                 boolean sameAccount = isSameAccount(context, intent);
1172                 String downloadedRemotePath =
1173                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1174                 boolean isDescendant = isDescendant(downloadedRemotePath);
1175
1176                 if (sameAccount && isDescendant) {
1177                     String linkedToRemotePath =
1178                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1179                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1180                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1181                         refreshListOfFilesFragment();
1182                     }
1183                     refreshSecondFragment(
1184                             intent.getAction(),
1185                             downloadedRemotePath,
1186                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1187                     );
1188                 }
1189
1190                 if (mWaitingToSend != null) {
1191                     mWaitingToSend =
1192                             getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1193                     if (mWaitingToSend.isDown()) {
1194                         sendDownloadedFile();
1195                     }
1196                 }
1197
1198             } finally {
1199                 if (intent != null) {
1200                     removeStickyBroadcast(intent);
1201                 }
1202             }
1203         }
1204
1205         private boolean isDescendant(String downloadedRemotePath) {
1206             OCFile currentDir = getCurrentDir();
1207             return (
1208                 currentDir != null &&
1209                 downloadedRemotePath != null &&
1210                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1211             );
1212         }
1213
1214         private boolean isAscendant(String linkedToRemotePath) {
1215             OCFile currentDir = getCurrentDir();
1216             return (
1217                 currentDir != null &&
1218                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1219             );
1220         }
1221
1222         private boolean isSameAccount(Context context, Intent intent) {
1223             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1224             return (accountName != null && getAccount() != null &&
1225                     accountName.equals(getAccount().name));
1226         }
1227     }
1228
1229
1230     public void browseToRoot() {
1231         OCFileListFragment listOfFiles = getListOfFilesFragment();
1232         if (listOfFiles != null) {  // should never be null, indeed
1233             while (mDirectories.getCount() > 1) {
1234                 popDirname();
1235             }
1236             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1237             listOfFiles.listDirectory(root);
1238             // TODO Enable when "On Device" is recovered ?
1239             // listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1240             setFile(listOfFiles.getCurrentFile());
1241             startSyncFolderOperation(root, false);
1242         }
1243         cleanSecondFragment();
1244     }
1245
1246
1247     public void browseTo(OCFile folder) {
1248         if (folder == null || !folder.isFolder()) {
1249             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1250         }
1251         OCFileListFragment listOfFiles = getListOfFilesFragment();
1252         if (listOfFiles != null) {
1253             setNavigationListWithFolder(folder);
1254             listOfFiles.listDirectory(folder);
1255             // TODO Enable when "On Device" is recovered ?
1256             // listOfFiles.listDirectory(folder, MainApp.getOnlyOnDevice());
1257             setFile(listOfFiles.getCurrentFile());
1258             startSyncFolderOperation(folder, false);
1259         } else {
1260             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1261         }
1262         cleanSecondFragment();
1263     }
1264
1265
1266     /**
1267      * {@inheritDoc}
1268      *
1269      * Updates action bar and second fragment, if in dual pane mode.
1270      */
1271     @Override
1272     public void onBrowsedDownTo(OCFile directory) {
1273         pushDirname(directory);
1274         cleanSecondFragment();
1275
1276         // Sync Folder
1277         startSyncFolderOperation(directory, false);
1278
1279     }
1280
1281     /**
1282      * Shows the information of the {@link OCFile} received as a
1283      * parameter in the second fragment.
1284      *
1285      * @param file          {@link OCFile} whose details will be shown
1286      */
1287     @Override
1288     public void showDetails(OCFile file) {
1289         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1290         setSecondFragment(detailFragment);
1291         updateFragmentsVisibility(true);
1292         updateNavigationElementsInActionBar(file);
1293         setFile(file);
1294     }
1295
1296
1297     /**
1298      * TODO
1299      */
1300     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1301         ActionBar actionBar = getSupportActionBar();
1302
1303         // For adding content description tag to a title field in the action bar
1304         int actionBarTitleId = getResources().getIdentifier("action_bar_title", "id", "android");
1305
1306         if (chosenFile == null || mDualPane) {
1307             // only list of files - set for browsing through folders
1308             OCFile currentDir = getCurrentDir();
1309             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1310 //            actionBar.setDisplayHomeAsUpEnabled(noRoot);
1311 //            actionBar.setDisplayShowTitleEnabled(!noRoot);
1312             actionBar.setDisplayHomeAsUpEnabled(true);
1313             actionBar.setDisplayShowTitleEnabled(true);
1314             if (!noRoot) {
1315                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1316                 View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1317                 if (actionBarTitleView != null) {    // it's null in Android 2.x
1318                     actionBarTitleView.setContentDescription(
1319                             getString(R.string.default_display_name_for_root_folder));
1320                 }
1321             }
1322             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD :
1323                     ActionBar.NAVIGATION_MODE_LIST);
1324             actionBar.setListNavigationCallbacks(mDirectories, this);
1325             // assuming mDirectories is updated
1326
1327         } else {
1328             actionBar.setDisplayHomeAsUpEnabled(true);
1329             actionBar.setDisplayShowTitleEnabled(true);
1330             actionBar.setTitle(chosenFile.getFileName());
1331             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1332             View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1333             if (actionBarTitleView != null) {    // it's null in Android 2.x
1334                 getWindow().getDecorView().findViewById(actionBarTitleId).
1335                         setContentDescription(chosenFile.getFileName());
1336             }
1337         }
1338     }
1339
1340
1341     @Override
1342     protected ServiceConnection newTransferenceServiceConnection() {
1343         return new ListServiceConnection();
1344     }
1345
1346     /** Defines callbacks for service binding, passed to bindService() */
1347     private class ListServiceConnection implements ServiceConnection {
1348
1349         @Override
1350         public void onServiceConnected(ComponentName component, IBinder service) {
1351             if (component.equals(new ComponentName(
1352                     FileDisplayActivity.this, FileDownloader.class))) {
1353                 Log_OC.d(TAG, "Download service connected");
1354                 mDownloaderBinder = (FileDownloaderBinder) service;
1355                 if (mWaitingToPreview != null)
1356                     if (getStorageManager() != null) {
1357                          // update the file
1358                         mWaitingToPreview =
1359                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1360                         if (!mWaitingToPreview.isDown()) {
1361                             requestForDownload();
1362                         }
1363                 }
1364
1365             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1366                     FileUploader.class))) {
1367                 Log_OC.d(TAG, "Upload service connected");
1368                 mUploaderBinder = (FileUploaderBinder) service;
1369             } else {
1370                 return;
1371             }
1372             // a new chance to get the mDownloadBinder through
1373             // getFileDownloadBinder() - THIS IS A MESS
1374             OCFileListFragment listOfFiles = getListOfFilesFragment();
1375             if (listOfFiles != null) {
1376                 listOfFiles.listDirectory();
1377                 // TODO Enable when "On Device" is recovered ?
1378                 // listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1379             }
1380             FileFragment secondFragment = getSecondFragment();
1381             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1382                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1383                 detailFragment.listenForTransferProgress();
1384                 detailFragment.updateFileDetails(false, false);
1385             }
1386         }
1387
1388         @Override
1389         public void onServiceDisconnected(ComponentName component) {
1390             if (component.equals(new ComponentName(FileDisplayActivity.this,
1391                     FileDownloader.class))) {
1392                 Log_OC.d(TAG, "Download service disconnected");
1393                 mDownloaderBinder = null;
1394             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1395                     FileUploader.class))) {
1396                 Log_OC.d(TAG, "Upload service disconnected");
1397                 mUploaderBinder = null;
1398             }
1399         }
1400     };
1401
1402     @Override
1403     public void onSavedCertificate() {
1404         startSyncFolderOperation(getCurrentDir(), false);
1405     }
1406
1407
1408     @Override
1409     public void onFailedSavingCertificate() {
1410         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1411                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1412         );
1413         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1414     }
1415
1416     @Override
1417     public void onCancelCertificate() {
1418         // nothing to do
1419     }
1420
1421     /**
1422      * Updates the view associated to the activity after the finish of some operation over files
1423      * in the current account.
1424      *
1425      * @param operation     Removal operation performed.
1426      * @param result        Result of the removal.
1427      */
1428     @Override
1429     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1430         super.onRemoteOperationFinish(operation, result);
1431
1432         if (operation instanceof RemoveFileOperation) {
1433             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1434
1435         } else if (operation instanceof RenameFileOperation) {
1436             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1437
1438         } else if (operation instanceof SynchronizeFileOperation) {
1439             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1440
1441         } else if (operation instanceof CreateFolderOperation) {
1442             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1443
1444         } else if (operation instanceof CreateShareOperation) {
1445             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1446
1447         } else if (operation instanceof UnshareLinkOperation) {
1448             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1449
1450         } else if (operation instanceof MoveFileOperation) {
1451             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1452         }
1453
1454     }
1455
1456
1457     private void onCreateShareOperationFinish(CreateShareOperation operation,
1458                                               RemoteOperationResult result) {
1459         if (result.isSuccess()) {
1460             refreshShowDetails();
1461             refreshListOfFilesFragment();
1462         }
1463     }
1464
1465
1466     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation,
1467                                               RemoteOperationResult result) {
1468         if (result.isSuccess()) {
1469             refreshShowDetails();
1470             refreshListOfFilesFragment();
1471
1472         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1473             cleanSecondFragment();
1474             refreshListOfFilesFragment();
1475         }
1476     }
1477
1478     private void refreshShowDetails() {
1479         FileFragment details = getSecondFragment();
1480         if (details != null) {
1481             OCFile file = details.getFile();
1482             if (file != null) {
1483                 file = getStorageManager().getFileByPath(file.getRemotePath());
1484                 if (details instanceof PreviewMediaFragment) {
1485                     // Refresh  OCFile of the fragment
1486                     ((PreviewMediaFragment) details).updateFile(file);
1487                 } else {
1488                     showDetails(file);
1489                 }
1490             }
1491             invalidateOptionsMenu();
1492         }
1493     }
1494
1495     /**
1496      * Updates the view associated to the activity after the finish of an operation trying to
1497      * remove a file.
1498      *
1499      * @param operation     Removal operation performed.
1500      * @param result        Result of the removal.
1501      */
1502     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1503                                              RemoteOperationResult result) {
1504         dismissLoadingDialog();
1505
1506         Toast msg = Toast.makeText(this,
1507                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1508                 Toast.LENGTH_LONG);
1509         msg.show();
1510
1511         if (result.isSuccess()) {
1512             OCFile removedFile = operation.getFile();
1513             FileFragment second = getSecondFragment();
1514             if (second != null && removedFile.equals(second.getFile())) {
1515                 if (second instanceof PreviewMediaFragment) {
1516                     ((PreviewMediaFragment)second).stopPreview(true);
1517                 }
1518                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1519                 cleanSecondFragment();
1520             }
1521             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1522                 refreshListOfFilesFragment();
1523             }
1524             invalidateOptionsMenu();
1525         } else {
1526             if (result.isSslRecoverableException()) {
1527                 mLastSslUntrustedServerResult = result;
1528                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1529             }
1530         }
1531     }
1532
1533
1534     /**
1535      * Updates the view associated to the activity after the finish of an operation trying to move a
1536      * file.
1537      *
1538      * @param operation     Move operation performed.
1539      * @param result        Result of the move operation.
1540      */
1541     private void onMoveFileOperationFinish(MoveFileOperation operation,
1542                                            RemoteOperationResult result) {
1543         if (result.isSuccess()) {
1544             dismissLoadingDialog();
1545             refreshListOfFilesFragment();
1546         } else {
1547             dismissLoadingDialog();
1548             try {
1549                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1550                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1551                         Toast.LENGTH_LONG);
1552                 msg.show();
1553
1554             } catch (NotFoundException e) {
1555                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1556             }
1557         }
1558     }
1559
1560
1561     /**
1562      * Updates the view associated to the activity after the finish of an operation trying to rename
1563      * a file.
1564      *
1565      * @param operation     Renaming operation performed.
1566      * @param result        Result of the renaming.
1567      */
1568     private void onRenameFileOperationFinish(RenameFileOperation operation,
1569                                              RemoteOperationResult result) {
1570         dismissLoadingDialog();
1571         OCFile renamedFile = operation.getFile();
1572         if (result.isSuccess()) {
1573             FileFragment details = getSecondFragment();
1574             if (details != null) {
1575                 if (details instanceof FileDetailFragment &&
1576                         renamedFile.equals(details.getFile()) ) {
1577                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1578                     showDetails(renamedFile);
1579
1580                 } else if (details instanceof PreviewMediaFragment &&
1581                         renamedFile.equals(details.getFile())) {
1582                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1583                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1584                         int position = ((PreviewMediaFragment)details).getPosition();
1585                         startMediaPreview(renamedFile, position, true);
1586                     } else {
1587                         getFileOperationsHelper().openFile(renamedFile);
1588                     }
1589                 }
1590             }
1591
1592             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1593                 refreshListOfFilesFragment();
1594             }
1595
1596         } else {
1597             Toast msg = Toast.makeText(this,
1598                     ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1599                     Toast.LENGTH_LONG);
1600             msg.show();
1601
1602             if (result.isSslRecoverableException()) {
1603                 mLastSslUntrustedServerResult = result;
1604                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1605             }
1606         }
1607     }
1608
1609     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
1610                                                   RemoteOperationResult result) {
1611         dismissLoadingDialog();
1612         OCFile syncedFile = operation.getLocalFile();
1613         if (!result.isSuccess()) {
1614             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1615                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1616                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1617                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1618                 startActivity(i);
1619
1620             }
1621
1622         } else {
1623             if (operation.transferWasRequested()) {
1624                 onTransferStateChanged(syncedFile, true, true);
1625
1626             } else {
1627                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result,
1628                                 operation, getResources()), Toast.LENGTH_LONG);
1629                 msg.show();
1630             }
1631         }
1632     }
1633
1634     /**
1635      * Updates the view associated to the activity after the finish of an operation trying create a
1636      * new folder
1637      *
1638      * @param operation     Creation operation performed.
1639      * @param result        Result of the creation.
1640      */
1641     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1642                                                RemoteOperationResult result) {
1643         if (result.isSuccess()) {
1644             dismissLoadingDialog();
1645             refreshListOfFilesFragment();
1646         } else {
1647             dismissLoadingDialog();
1648             try {
1649                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1650                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1651                         Toast.LENGTH_LONG);
1652                 msg.show();
1653
1654             } catch (NotFoundException e) {
1655                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1656             }
1657         }
1658     }
1659
1660
1661     /**
1662      * {@inheritDoc}
1663      */
1664     @Override
1665     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1666         refreshListOfFilesFragment();
1667         FileFragment details = getSecondFragment();
1668         if (details != null && details instanceof FileDetailFragment &&
1669                 file.equals(details.getFile()) ) {
1670             if (downloading || uploading) {
1671                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1672             } else {
1673                 if (!file.fileExists()) {
1674                     cleanSecondFragment();
1675                 } else {
1676                     ((FileDetailFragment)details).updateFileDetails(false, true);
1677                 }
1678             }
1679         }
1680
1681     }
1682
1683
1684     private void requestForDownload() {
1685         Account account = getAccount();
1686         //if (!mWaitingToPreview.isDownloading()) {
1687         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1688             Intent i = new Intent(this, FileDownloader.class);
1689             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1690             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1691             startService(i);
1692         }
1693     }
1694
1695
1696     private OCFile getCurrentDir() {
1697         OCFile file = getFile();
1698         if (file != null) {
1699             if (file.isFolder()) {
1700                 return file;
1701             } else if (getStorageManager() != null) {
1702                 String parentPath = file.getRemotePath().substring(0,
1703                         file.getRemotePath().lastIndexOf(file.getFileName()));
1704                 return getStorageManager().getFileByPath(parentPath);
1705             }
1706         }
1707         return null;
1708     }
1709
1710     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1711         long currentSyncTime = System.currentTimeMillis();
1712
1713         mSyncInProgress = true;
1714
1715         // perform folder synchronization
1716         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1717                 currentSyncTime,
1718                 false,
1719                 getFileOperationsHelper().isSharedSupported(),
1720                 ignoreETag,
1721                 getStorageManager(),
1722                 getAccount(),
1723                 getApplicationContext()
1724         );
1725         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1726
1727         setSupportProgressBarIndeterminateVisibility(true);
1728
1729         setBackgroundText();
1730     }
1731
1732     /**
1733      * Show untrusted cert dialog
1734      */
1735     public void showUntrustedCertDialog(RemoteOperationResult result) {
1736         // Show a dialog with the certificate info
1737         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1738                 (CertificateCombinedException) result.getException());
1739         FragmentManager fm = getSupportFragmentManager();
1740         FragmentTransaction ft = fm.beginTransaction();
1741         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1742     }
1743
1744     private void requestForDownload(OCFile file) {
1745         Account account = getAccount();
1746         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1747             Intent i = new Intent(this, FileDownloader.class);
1748             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1749             i.putExtra(FileDownloader.EXTRA_FILE, file);
1750             startService(i);
1751         }
1752     }
1753
1754     private void sendDownloadedFile(){
1755         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1756         mWaitingToSend = null;
1757     }
1758
1759
1760     /**
1761      * Requests the download of the received {@link OCFile} , updates the UI
1762      * to monitor the download progress and prepares the activity to send the file
1763      * when the download finishes.
1764      *
1765      * @param file          {@link OCFile} to download and preview.
1766      */
1767     public void startDownloadForSending(OCFile file) {
1768         mWaitingToSend = file;
1769         requestForDownload(mWaitingToSend);
1770         boolean hasSecondFragment = (getSecondFragment()!= null);
1771         updateFragmentsVisibility(hasSecondFragment);
1772     }
1773
1774     /**
1775      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1776      *
1777      * @param file                      Image {@link OCFile} to show.
1778      */
1779     public void startImagePreview(OCFile file) {
1780         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1781         showDetailsIntent.putExtra(EXTRA_FILE, file);
1782         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1783         startActivity(showDetailsIntent);
1784
1785     }
1786
1787     /**
1788      * Stars the preview of an already down media {@link OCFile}.
1789      *
1790      * @param file                      Media {@link OCFile} to preview.
1791      * @param startPlaybackPosition     Media position where the playback will be started,
1792      *                                  in milliseconds.
1793      * @param autoplay                  When 'true', the playback will start without user
1794      *                                  interactions.
1795      */
1796     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1797         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1798                 autoplay);
1799         setSecondFragment(mediaFragment);
1800         updateFragmentsVisibility(true);
1801         updateNavigationElementsInActionBar(file);
1802         setFile(file);
1803     }
1804
1805     /**
1806      * Requests the download of the received {@link OCFile} , updates the UI
1807      * to monitor the download progress and prepares the activity to preview
1808      * or open the file when the download finishes.
1809      *
1810      * @param file          {@link OCFile} to download and preview.
1811      */
1812     public void startDownloadForPreview(OCFile file) {
1813         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1814         setSecondFragment(detailFragment);
1815         mWaitingToPreview = file;
1816         requestForDownload();
1817         updateFragmentsVisibility(true);
1818         updateNavigationElementsInActionBar(file);
1819         setFile(file);
1820     }
1821
1822
1823     public void cancelTransference(OCFile file) {
1824         getFileOperationsHelper().cancelTransference(file);
1825         if (mWaitingToPreview != null &&
1826                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1827             mWaitingToPreview = null;
1828         }
1829         if (mWaitingToSend != null &&
1830                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1831             mWaitingToSend = null;
1832         }
1833         onTransferStateChanged(file, false, false);
1834     }
1835
1836     @Override
1837     public void onRefresh(boolean ignoreETag) {
1838         refreshList(ignoreETag);
1839     }
1840
1841     @Override
1842     public void onRefresh() {
1843         refreshList(true);
1844     }
1845
1846     private void refreshList(boolean ignoreETag) {
1847         OCFileListFragment listOfFiles = getListOfFilesFragment();
1848         if (listOfFiles != null) {
1849             OCFile folder = listOfFiles.getCurrentFile();
1850             if (folder != null) {
1851                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1852                 listDirectory(mFile);*/
1853                 startSyncFolderOperation(folder, ignoreETag);
1854             }
1855         }
1856     }
1857
1858     private void sortByDate(boolean ascending){
1859         getListOfFilesFragment().sortByDate(ascending);
1860     }
1861
1862     private void sortBySize(boolean ascending){
1863         getListOfFilesFragment().sortBySize(ascending);
1864     }
1865
1866     private void sortByName(boolean ascending){
1867         getListOfFilesFragment().sortByName(ascending);
1868     }
1869
1870    public void allFilesOption() {
1871        browseToRoot();
1872    }
1873 }