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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22 import java.io.IOException;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.annotation.SuppressLint;
  29 import android.annotation.TargetApi;
  30 import android.app.AlertDialog;
  31 import android.app.Dialog;
  32 import android.app.ProgressDialog;
  33 import android.content.BroadcastReceiver;
  34 import android.content.ComponentName;
  35 import android.content.ContentResolver;
  36 import android.content.ContentUris;
  37 import android.content.Context;
  38 import android.content.DialogInterface;
  39 import android.content.Intent;
  40 import android.content.IntentFilter;
  41 import android.content.ServiceConnection;
  42 import android.content.SharedPreferences;
  43 import android.content.SyncRequest;
  44 import android.content.res.Resources.NotFoundException;
  45 import android.database.Cursor;
  46 import android.net.Uri;
  47 import android.os.Build;
  48 import android.os.Bundle;
  49 import android.os.Environment;
  50 import android.os.IBinder;
  51 import android.preference.PreferenceManager;
  52 import android.provider.DocumentsContract;
  53 import android.provider.MediaStore;
  54 import android.provider.OpenableColumns;
  55 import android.support.v4.app.Fragment;
  56 import android.support.v4.app.FragmentManager;
  57 import android.support.v4.app.FragmentTransaction;
  58 import android.util.Log;
  59 import android.view.View;
  60 import android.view.ViewGroup;
  61 import android.widget.ArrayAdapter;
  62 import android.widget.TextView;
  63 import android.widget.Toast;
  64
  65 import com.actionbarsherlock.app.ActionBar;
  66 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  67 import com.actionbarsherlock.view.Menu;
  68 import com.actionbarsherlock.view.MenuInflater;
  69 import com.actionbarsherlock.view.MenuItem;
  70 import com.actionbarsherlock.view.Window;
  71 import com.owncloud.android.BuildConfig;
  72 import com.owncloud.android.MainApp;
  73 import com.owncloud.android.R;
  74 import com.owncloud.android.datamodel.OCFile;
  75 import com.owncloud.android.files.services.FileDownloader;
  76 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  77 import com.owncloud.android.files.services.FileUploader;
  78 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  79 import com.owncloud.android.lib.common.OwnCloudAccount;
  80 import com.owncloud.android.lib.common.OwnCloudClient;
  81 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  82 import com.owncloud.android.lib.common.OwnCloudCredentials;
  83 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  84 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  85 import com.owncloud.android.lib.common.operations.RemoteOperation;
  86 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  87 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  88 import com.owncloud.android.lib.common.utils.Log_OC;
  89 import com.owncloud.android.operations.CreateFolderOperation;
  90 import com.owncloud.android.operations.CreateShareOperation;
  91 import com.owncloud.android.operations.MoveFileOperation;
  92 import com.owncloud.android.operations.RemoveFileOperation;
  93 import com.owncloud.android.operations.RenameFileOperation;
  94 import com.owncloud.android.operations.SynchronizeFileOperation;
  95 import com.owncloud.android.operations.RefreshFolderOperation;
  96 import com.owncloud.android.operations.UnshareLinkOperation;
  97 import com.owncloud.android.services.observer.FileObserverService;
  98 import com.owncloud.android.syncadapter.FileSyncAdapter;
  99 import com.owncloud.android.ui.adapter.FileListListAdapter;
 100 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
 101 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
 102 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
 103 import com.owncloud.android.ui.fragment.FileDetailFragment;
 104 import com.owncloud.android.ui.fragment.FileFragment;
 105 import com.owncloud.android.ui.fragment.OCFileListFragment;
 106 import com.owncloud.android.ui.preview.PreviewImageActivity;
 107 import com.owncloud.android.ui.preview.PreviewImageFragment;
 108 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 109 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 110 import com.owncloud.android.utils.DisplayUtils;
 111 import com.owncloud.android.utils.ErrorMessageAdapter;
 112 import com.owncloud.android.utils.FileStorageUtils;
 113 import com.owncloud.android.utils.UriUtils;
 114
 115
 116 /**
 117  * Displays, what files the user has available in his ownCloud.
 118  *
 119  * @author Bartek Przybylski
 120  * @author David A. Velasco
 121  */
 122
 123 public class FileDisplayActivity extends HookActivity implements
 124 FileFragment.ContainerActivity, OnNavigationListener,
 125 OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 126
 127     private ArrayAdapter<String> mDirectories;
 128
 129     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 130     private UploadFinishReceiver mUploadFinishReceiver;
 131     private DownloadFinishReceiver mDownloadFinishReceiver;
 132     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 133
 134     private boolean mDualPane;
 135     private View mLeftFragmentContainer;
 136     private View mRightFragmentContainer;
 137
 138     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 139     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 140     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 141
 142     public static final int DIALOG_SHORT_WAIT = 0;
 143     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 144     private static final int DIALOG_CERT_NOT_SAVED = 2;
 145
 146     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 147
 148     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 149     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 150     public static final int ACTION_MOVE_FILES = 3;
 151
 152     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 153
 154     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 155     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 156
 157     private OCFile mWaitingToPreview;
 158
 159     private boolean mSyncInProgress = false;
 160
 161     private String DIALOG_UNTRUSTED_CERT;
 162
 163     private OCFile mWaitingToSend;
 164
 165     @Override
 166     protected void onCreate(Bundle savedInstanceState) {
 167         Log_OC.d(TAG, "onCreate() start");
 168         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 169
 170         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 171
 172         // PIN CODE request ;  best location is to decide, let's try this first
 173         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 174             requestPinCode();
 175         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 176             requestPinCode();
 177         }
 178
 179         /// grant that FileObserverService is watching favourite files
 180         if (savedInstanceState == null) {
 181             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 182             startService(initObserversIntent);
 183         }
 184
 185         /// Load of saved instance state
 186         if(savedInstanceState != null) {
 187             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 188             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 189             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 190
 191         } else {
 192             mWaitingToPreview = null;
 193             mSyncInProgress = false;
 194             mWaitingToSend = null;
 195         }
 196
 197         /// USER INTERFACE
 198
 199         // Inflate and set the layout view
 200         setContentView(R.layout.files);
 201         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 202         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 203         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 204         if (savedInstanceState == null) {
 205             createMinFragments();
 206         }
 207
 208         // Action bar setup
 209         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 210         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 211         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 212
 213         setBackgroundText();
 214
 215         Log_OC.d(TAG, "onCreate() end");
 216     }
 217
 218     @Override
 219     protected void onStart() {
 220         super.onStart();
 221         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 222     }
 223
 224     @Override
 225     protected void onDestroy() {
 226         super.onDestroy();
 227     }
 228
 229     /**
 230      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 231      */
 232     @Override
 233     protected void onAccountSet(boolean stateWasRecovered) {
 234         super.onAccountSet(stateWasRecovered);
 235         if (getAccount() != null) {
 236             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 237             OCFile file = getFile();
 238             // get parent from path
 239             String parentPath = "";
 240             if (file != null) {
 241                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 242                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 243                     // get parent from path
 244                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 245                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 246                         file = null; // not able to know the directory where the file is uploading
 247                 } else {
 248                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 249                 }
 250             }
 251             if (file == null) {
 252                 // fall back to root folder
 253                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 254             }
 255             setFile(file);
 256             setNavigationListWithFolder(file);
 257
 258             if (!stateWasRecovered) {
 259                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 260                 initFragmentsWithFile();
 261                 if (file.isFolder()) {
 262                     startSyncFolderOperation(file, false);
 263                 }
 264
 265             } else {
 266                 updateFragmentsVisibility(!file.isFolder());
 267                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 268             }
 269         }
 270     }
 271
 272
 273     private void setNavigationListWithFolder(OCFile file) {
 274         mDirectories.clear();
 275         OCFile fileIt = file;
 276         String parentPath;
 277         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 278             if (fileIt.isFolder()) {
 279                 mDirectories.add(fileIt.getFileName());
 280             }
 281             // get parent from path
 282             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 283             fileIt = getStorageManager().getFileByPath(parentPath);
 284         }
 285         mDirectories.add(OCFile.PATH_SEPARATOR);
 286     }
 287
 288
 289     private void createMinFragments() {
 290         OCFileListFragment listOfFiles = new OCFileListFragment();
 291         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 292         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 293         transaction.commit();
 294     }
 295
 296     private void initFragmentsWithFile() {
 297         if (getAccount() != null && getFile() != null) {
 298             /// First fragment
 299             OCFileListFragment listOfFiles = getListOfFilesFragment();
 300             if (listOfFiles != null) {
 301                 listOfFiles.listDirectory(getCurrentDir());
 302             } else {
 303                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 304             }
 305
 306             /// Second fragment
 307             OCFile file = getFile();
 308             Fragment secondFragment = chooseInitialSecondFragment(file);
 309             if (secondFragment != null) {
 310                 setSecondFragment(secondFragment);
 311                 updateFragmentsVisibility(true);
 312                 updateNavigationElementsInActionBar(file);
 313
 314             } else {
 315                 cleanSecondFragment();
 316             }
 317
 318         } else {
 319             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 320             if (getAccount() == null) {
 321                 Log_OC.wtf(TAG, "\t account is NULL");
 322             }
 323             if (getFile() == null) {
 324                 Log_OC.wtf(TAG, "\t file is NULL");
 325             }
 326         }
 327     }
 328
 329     private Fragment chooseInitialSecondFragment(OCFile file) {
 330         Fragment secondFragment = null;
 331         if (file != null && !file.isFolder()) {
 332             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 333                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 334                     ) {
 335                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 336                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 337                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 338
 339             } else {
 340                 secondFragment = new FileDetailFragment(file, getAccount());
 341             }
 342         }
 343         return secondFragment;
 344     }
 345
 346
 347     /**
 348      * Replaces the second fragment managed by the activity with the received as
 349      * a parameter.
 350      *
 351      * Assumes never will be more than two fragments managed at the same time.
 352      *
 353      * @param fragment      New second Fragment to set.
 354      */
 355     private void setSecondFragment(Fragment fragment) {
 356         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 357         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 358         transaction.commit();
 359     }
 360
 361
 362     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 363         if (mDualPane) {
 364             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 365                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 366             }
 367             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 368                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 369             }
 370
 371         } else if (existsSecondFragment) {
 372             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 373                 mLeftFragmentContainer.setVisibility(View.GONE);
 374             }
 375             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 376                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 377             }
 378
 379         } else {
 380             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 381                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 382             }
 383             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 384                 mRightFragmentContainer.setVisibility(View.GONE);
 385             }
 386         }
 387     }
 388
 389
 390     private OCFileListFragment getListOfFilesFragment() {
 391         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 392         if (listOfFiles != null) {
 393             return (OCFileListFragment)listOfFiles;
 394         }
 395         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 396         return null;
 397     }
 398
 399     public FileFragment getSecondFragment() {
 400         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 401         if (second != null) {
 402             return (FileFragment)second;
 403         }
 404         return null;
 405     }
 406
 407     protected void cleanSecondFragment() {
 408         Fragment second = getSecondFragment();
 409         if (second != null) {
 410             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 411             tr.remove(second);
 412             tr.commit();
 413         }
 414         updateFragmentsVisibility(false);
 415         updateNavigationElementsInActionBar(null);
 416     }
 417
 418     protected void refreshListOfFilesFragment() {
 419         OCFileListFragment fileListFragment = getListOfFilesFragment();
 420         if (fileListFragment != null) {
 421             fileListFragment.listDirectory();
 422         }
 423     }
 424
 425     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 426         FileFragment secondFragment = getSecondFragment();
 427         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 428         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 429             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 430             OCFile fileInFragment = detailsFragment.getFile();
 431             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 432                 // the user browsed to other file ; forget the automatic preview
 433                 mWaitingToPreview = null;
 434
 435             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 436                 // grant that the right panel updates the progress bar
 437                 detailsFragment.listenForTransferProgress();
 438                 detailsFragment.updateFileDetails(true, false);
 439
 440             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 441                 //  update the right panel
 442                 boolean detailsFragmentChanged = false;
 443                 if (waitedPreview) {
 444                     if (success) {
 445                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 446                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 447                             startMediaPreview(mWaitingToPreview, 0, true);
 448                             detailsFragmentChanged = true;
 449                         } else {
 450                             getFileOperationsHelper().openFile(mWaitingToPreview);
 451                         }
 452                     }
 453                     mWaitingToPreview = null;
 454                 }
 455                 if (!detailsFragmentChanged) {
 456                     detailsFragment.updateFileDetails(false, (success));
 457                 }
 458             }
 459         }
 460     }
 461
 462     @Override
 463     public boolean onPrepareOptionsMenu(Menu menu) {
 464         if (BuildConfig.DEBUG) {
 465             menu.findItem(R.id.action_logger).setVisible(true);
 466         } else {
 467             menu.findItem(R.id.action_logger).setVisible(false);
 468         }
 469         return super.onPrepareOptionsMenu(menu);
 470     }
 471
 472     @Override
 473     public boolean onCreateOptionsMenu(Menu menu) {
 474         MenuInflater inflater = getSherlock().getMenuInflater();
 475         inflater.inflate(R.menu.main_menu, menu);
 476         return true;
 477     }
 478
 479     @Override
 480     public boolean onOptionsItemSelected(MenuItem item) {
 481         boolean retval = true;
 482         switch (item.getItemId()) {
 483         case R.id.action_create_dir: {
 484             CreateFolderDialogFragment dialog =
 485                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 486             dialog.show(getSupportFragmentManager(), "createdirdialog");
 487             break;
 488         }
 489         case R.id.action_sync_account: {
 490             startSynchronization();
 491             break;
 492         }
 493         case R.id.action_upload: {
 494             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 495             break;
 496         }
 497         case R.id.action_settings: {
 498             Intent settingsIntent = new Intent(this, Preferences.class);
 499             startActivity(settingsIntent);
 500             break;
 501         }
 502         case R.id.action_logger: {
 503             Intent loggerIntent = new Intent(getApplicationContext(),LogHistoryActivity.class);
 504             startActivity(loggerIntent);
 505             break;
 506         }
 507         case android.R.id.home: {
 508             FileFragment second = getSecondFragment();
 509             OCFile currentDir = getCurrentDir();
 510             if((currentDir != null && currentDir.getParentId() != 0) ||
 511                     (second != null && second.getFile() != null)) {
 512                 onBackPressed();
 513
 514             }
 515             break;
 516         }
 517         case R.id.action_sort: {
 518             SharedPreferences appPreferences = PreferenceManager
 519                     .getDefaultSharedPreferences(this);
 520
 521             // Read sorting order, default to sort by name ascending
 522             Integer sortOrder = appPreferences
 523                     .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 524
 525             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 526             builder.setTitle(R.string.actionbar_sort_title)
 527             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 528                 public void onClick(DialogInterface dialog, int which) {
 529
 530                     switch (which){
 531                     case 0:
 532                         sortByName(true);
 533                         break;
 534                     case 1:
 535                         sortByDate(false);
 536                         break;
 537
 538 // TODO re-enable when server-side folder size calculation is available
 539 //                    case 2:
 540 //                        sortBySize(false);
 541 //                        break;
 542                     }
 543
 544                     dialog.dismiss();
 545
 546                 }
 547             });
 548             builder.create().show();
 549             break;
 550         }
 551         default:
 552             retval = super.onOptionsItemSelected(item);
 553         }
 554         return retval;
 555     }
 556
 557     private void startSynchronization() {
 558         Log_OC.e(TAG, "Got to start sync");
 559         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 560             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 561             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 562             Bundle bundle = new Bundle();
 563             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 564             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 565             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 566             ContentResolver.requestSync(
 567                     getAccount(),
 568                     MainApp.getAuthority(), bundle);
 569         } else {
 570             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 571             SyncRequest.Builder builder = new SyncRequest.Builder();
 572             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 573             builder.setExpedited(true);
 574             builder.setManual(true);
 575             builder.syncOnce();
 576
 577             // Fix bug in Android Lollipop when you click on refresh the whole account
 578             Bundle extras = new Bundle();
 579             builder.setExtras(extras);
 580
 581             SyncRequest request = builder.build();
 582             ContentResolver.requestSync(request);
 583         }
 584     }
 585
 586
 587     @Override
 588     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 589         if (itemPosition != 0) {
 590             String targetPath = "";
 591             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 592                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 593             }
 594             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 595             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 596             if (targetFolder != null) {
 597                 browseTo(targetFolder);
 598             }
 599
 600             // the next operation triggers a new call to this method, but it's necessary to
 601             // ensure that the name exposed in the action bar is the current directory when the
 602             // user selected it in the navigation list
 603             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 604                 getSupportActionBar().setSelectedNavigationItem(0);
 605         }
 606         return true;
 607     }
 608
 609     /**
 610      * Called, when the user selected something for uploading
 611      *
 612      */
 613     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 614     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 615         super.onActivityResult(requestCode, resultCode, data);
 616
 617         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 618             //getClipData is only supported on api level 16+, Jelly Bean
 619             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 620                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 621                     Intent intent = new Intent();
 622                     intent.setData(data.getClipData().getItemAt(i).getUri());
 623                     requestSimpleUpload(intent, resultCode);
 624                 }
 625             }else {
 626                 requestSimpleUpload(data, resultCode);
 627             }
 628         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 629             requestMultipleUpload(data, resultCode);
 630
 631         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 632
 633             final Intent fData = data;
 634             final int fResultCode = resultCode;
 635             getHandler().postDelayed(
 636                 new Runnable() {
 637                     @Override
 638                     public void run() {
 639                         requestMoveOperation(fData, fResultCode);
 640                     }
 641                 },
 642                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 643             );
 644         }
 645     }
 646
 647     private void requestMultipleUpload(Intent data, int resultCode) {
 648         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 649         if (filePaths != null) {
 650             String[] remotePaths = new String[filePaths.length];
 651             String remotePathBase = "";
 652
 653             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 654                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 655             }
 656             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 657                 remotePathBase += OCFile.PATH_SEPARATOR;
 658             for (int j = 0; j< remotePaths.length; j++) {
 659                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 660             }
 661
 662             Intent i = new Intent(this, FileUploader.class);
 663             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 664             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 665             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 666             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 667             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 668                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 669             startService(i);
 670
 671         } else {
 672             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 673             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 674             t.show();
 675             return;
 676         }
 677     }
 678
 679
 680     private void requestSimpleUpload(Intent data, int resultCode) {
 681         String filepath = null;
 682         String mimeType = null;
 683
 684         Uri selectedImageUri = data.getData();
 685
 686         try {
 687             mimeType = getContentResolver().getType(selectedImageUri);
 688
 689             String filemanagerstring = selectedImageUri.getPath();
 690             String selectedImagePath = getPath(selectedImageUri);
 691
 692             if (selectedImagePath != null)
 693                 filepath = selectedImagePath;
 694             else
 695                 filepath = filemanagerstring;
 696
 697         } catch (Exception e) {
 698             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 699             e.printStackTrace();
 700
 701         } finally {
 702             if (filepath == null) {
 703                 Log_OC.e(TAG, "Couldnt resolve path to file");
 704                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 705                 t.show();
 706                 return;
 707             }
 708         }
 709
 710         Intent i = new Intent(this, FileUploader.class);
 711         i.putExtra(FileUploader.KEY_ACCOUNT,
 712                 getAccount());
 713         String remotepath = new String();
 714         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 715             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 716         }
 717         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 718             remotepath += OCFile.PATH_SEPARATOR;
 719
 720         if (filepath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 721
 722             Cursor cursor = MainApp.getAppContext().getContentResolver()
 723                     .query(Uri.parse(filepath), null, null, null, null, null);
 724
 725             try {
 726                 if (cursor != null && cursor.moveToFirst()) {
 727                     String displayName = cursor.getString(
 728                             cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
 729                     Log.i(TAG, "Display Name: " + displayName + "; mimeType: " + mimeType);
 730
 731                     displayName.replace(File.separatorChar, '_');
 732                     displayName.replace(File.pathSeparatorChar, '_');
 733                     remotepath += displayName + DisplayUtils.getComposedFileExtension(filepath);
 734
 735                 }
 736             } finally {
 737                 cursor.close();
 738             }
 739
 740         } else {
 741             remotepath += new File(filepath).getName();
 742         }
 743
 744         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 745         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 746         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 747         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 748         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 749             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 750         startService(i);
 751     }
 752
 753     /**
 754      * Request the operation for moving the file/folder from one path to another
 755      *
 756      * @param data              Intent received
 757      * @param resultCode        Result code received
 758      */
 759     private void requestMoveOperation(Intent data, int resultCode) {
 760         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 761         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 762         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 763     }
 764
 765     @Override
 766     public void onBackPressed() {
 767         OCFileListFragment listOfFiles = getListOfFilesFragment();
 768         if (mDualPane || getSecondFragment() == null) {
 769             if (listOfFiles != null) {  // should never be null, indeed
 770                 if (mDirectories.getCount() <= 1) {
 771                     finish();
 772                     return;
 773                 }
 774                 int levelsUp = listOfFiles.onBrowseUp();
 775                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 776                     popDirname();
 777                 }
 778             }
 779         }
 780         if (listOfFiles != null) {  // should never be null, indeed
 781             setFile(listOfFiles.getCurrentFile());
 782         }
 783         cleanSecondFragment();
 784
 785     }
 786
 787     @Override
 788     protected void onSaveInstanceState(Bundle outState) {
 789         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 790         Log_OC.e(TAG, "onSaveInstanceState() start");
 791         super.onSaveInstanceState(outState);
 792         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 793         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 794         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 795         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 796
 797         Log_OC.d(TAG, "onSaveInstanceState() end");
 798     }
 799
 800
 801
 802     @Override
 803     protected void onResume() {
 804         super.onResume();
 805         Log_OC.e(TAG, "onResume() start");
 806
 807         // refresh list of files
 808         refreshListOfFilesFragment();
 809
 810         // Listen for sync messages
 811         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 812         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 813         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 814         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 815         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 816         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 817         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 818         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 819
 820         // Listen for upload messages
 821         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 822         mUploadFinishReceiver = new UploadFinishReceiver();
 823         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 824
 825         // Listen for download messages
 826         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 827         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 828         mDownloadFinishReceiver = new DownloadFinishReceiver();
 829         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 830
 831         Log_OC.d(TAG, "onResume() end");
 832     }
 833
 834
 835     @Override
 836     protected void onPause() {
 837         Log_OC.e(TAG, "onPause() start");
 838         if (mSyncBroadcastReceiver != null) {
 839             unregisterReceiver(mSyncBroadcastReceiver);
 840             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 841             mSyncBroadcastReceiver = null;
 842         }
 843         if (mUploadFinishReceiver != null) {
 844             unregisterReceiver(mUploadFinishReceiver);
 845             mUploadFinishReceiver = null;
 846         }
 847         if (mDownloadFinishReceiver != null) {
 848             unregisterReceiver(mDownloadFinishReceiver);
 849             mDownloadFinishReceiver = null;
 850         }
 851
 852
 853         Log_OC.d(TAG, "onPause() end");
 854         super.onPause();
 855     }
 856
 857
 858     @Override
 859     protected Dialog onCreateDialog(int id) {
 860         Dialog dialog = null;
 861         AlertDialog.Builder builder;
 862         switch (id) {
 863         case DIALOG_SHORT_WAIT: {
 864             ProgressDialog working_dialog = new ProgressDialog(this);
 865             working_dialog.setMessage(getResources().getString(
 866                     R.string.wait_a_moment));
 867             working_dialog.setIndeterminate(true);
 868             working_dialog.setCancelable(false);
 869             dialog = working_dialog;
 870             break;
 871         }
 872         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 873
 874
 875             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 876                     getString(R.string.actionbar_upload_from_apps) };
 877
 878             builder = new AlertDialog.Builder(this);
 879             builder.setTitle(R.string.actionbar_upload);
 880             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 881                 public void onClick(DialogInterface dialog, int item) {
 882                     if (item == 0) {
 883                         // if (!mDualPane) {
 884                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 885                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 886                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 887                             // } else {
 888                             // TODO create and handle new fragment
 889                             // LocalFileListFragment
 890                             // }
 891                     } else if (item == 1) {
 892                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 893                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 894                         //Intent.EXTRA_ALLOW_MULTIPLE is only supported on api level 18+, Jelly Bean
 895                         if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 896                             action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 897                         }
 898                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 899                                 ACTION_SELECT_CONTENT_FROM_APPS);
 900                     }
 901                 }
 902             });
 903             dialog = builder.create();
 904             break;
 905         }
 906         case DIALOG_CERT_NOT_SAVED: {
 907             builder = new AlertDialog.Builder(this);
 908             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 909             builder.setCancelable(false);
 910             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 911                 @Override
 912                 public void onClick(DialogInterface dialog, int which) {
 913                     dialog.dismiss();
 914                 };
 915             });
 916             dialog = builder.create();
 917             break;
 918         }
 919         default:
 920             dialog = null;
 921         }
 922
 923         return dialog;
 924     }
 925
 926     /**
 927      * Translates a content URI of an content to a physical path on the disk
 928      *
 929      * @param uri The URI to resolve
 930      * @return The path to the content or null if it could not be found
 931      */
 932     public String getPath(Uri uri) {
 933         final boolean isKitKatOrLater = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
 934
 935         // DocumentProvider
 936         if (isKitKatOrLater && DocumentsContract.isDocumentUri(getApplicationContext(), uri)) {
 937             // ExternalStorageProvider
 938             if (UriUtils.isExternalStorageDocument(uri)) {
 939                 final String docId = DocumentsContract.getDocumentId(uri);
 940                 final String[] split = docId.split(":");
 941                 final String type = split[0];
 942
 943                 if ("primary".equalsIgnoreCase(type)) {
 944                     return Environment.getExternalStorageDirectory() + "/" + split[1];
 945                 }
 946             }
 947             // DownloadsProvider
 948             else if (UriUtils.isDownloadsDocument(uri)) {
 949
 950                 final String id = DocumentsContract.getDocumentId(uri);
 951                 final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
 952                         Long.valueOf(id));
 953
 954                 return UriUtils.getDataColumn(getApplicationContext(), contentUri, null, null);
 955             }
 956             // MediaProvider
 957             else if (UriUtils.isMediaDocument(uri)) {
 958                 final String docId = DocumentsContract.getDocumentId(uri);
 959                 final String[] split = docId.split(":");
 960                 final String type = split[0];
 961
 962                 Uri contentUri = null;
 963                 if ("image".equals(type)) {
 964                     contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
 965                 } else if ("video".equals(type)) {
 966                     contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
 967                 } else if ("audio".equals(type)) {
 968                     contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
 969                 }
 970
 971                 final String selection = "_id=?";
 972                 final String[] selectionArgs = new String[] { split[1] };
 973
 974                 return UriUtils.getDataColumn(getApplicationContext(), contentUri, selection, selectionArgs);
 975             }
 976             // Documents providers returned as content://...
 977             else if (UriUtils.isContentDocument(uri)) {
 978                 return uri.toString();
 979             }
 980         }
 981         // MediaStore (and general)
 982         else if ("content".equalsIgnoreCase(uri.getScheme())) {
 983
 984             // Return the remote address
 985             if (UriUtils.isGooglePhotosUri(uri))
 986                 return uri.getLastPathSegment();
 987
 988             return UriUtils.getDataColumn(getApplicationContext(), uri, null, null);
 989         }
 990         // File
 991         else if ("file".equalsIgnoreCase(uri.getScheme())) {
 992             return uri.getPath();
 993         }
 994         return null;
 995     }
 996
 997     /**
 998      * Pushes a directory to the drop down list
 999      * @param directory to push
1000      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
1001      */
1002     public void pushDirname(OCFile directory) {
1003         if(!directory.isFolder()){
1004             throw new IllegalArgumentException("Only directories may be pushed!");
1005         }
1006         mDirectories.insert(directory.getFileName(), 0);
1007         setFile(directory);
1008     }
1009
1010     /**
1011      * Pops a directory name from the drop down list
1012      * @return True, unless the stack is empty
1013      */
1014     public boolean popDirname() {
1015         mDirectories.remove(mDirectories.getItem(0));
1016         return !mDirectories.isEmpty();
1017     }
1018
1019     // Custom array adapter to override text colors
1020     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
1021
1022         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
1023             super(ctx, view);
1024         }
1025
1026         public View getView(int position, View convertView, ViewGroup parent) {
1027             View v = super.getView(position, convertView, parent);
1028
1029             ((TextView) v).setTextColor(getResources().getColorStateList(
1030                     android.R.color.white));
1031
1032             fixRoot((TextView) v );
1033             return v;
1034         }
1035
1036         public View getDropDownView(int position, View convertView,
1037                 ViewGroup parent) {
1038             View v = super.getDropDownView(position, convertView, parent);
1039
1040             ((TextView) v).setTextColor(getResources().getColorStateList(
1041                     android.R.color.white));
1042
1043             fixRoot((TextView) v );
1044             return v;
1045         }
1046
1047         private void fixRoot(TextView v) {
1048             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
1049                 v.setText(R.string.default_display_name_for_root_folder);
1050             }
1051         }
1052
1053     }
1054
1055     private class SyncBroadcastReceiver extends BroadcastReceiver {
1056
1057         /**
1058          * {@link BroadcastReceiver} to enable syncing feedback in UI
1059          */
1060         @Override
1061         public void onReceive(Context context, Intent intent) {
1062             try {
1063                 String event = intent.getAction();
1064                 Log_OC.d(TAG, "Received broadcast " + event);
1065                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
1066                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
1067                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
1068                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
1069
1070                 if (sameAccount) {
1071
1072                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
1073                         mSyncInProgress = true;
1074
1075                     } else {
1076                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
1077                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1078
1079                         if (currentDir == null) {
1080                             // current folder was removed from the server
1081                             Toast.makeText( FileDisplayActivity.this,
1082                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
1083                                             Toast.LENGTH_LONG)
1084                                 .show();
1085                             browseToRoot();
1086
1087                         } else {
1088                             if (currentFile == null && !getFile().isFolder()) {
1089                                 // currently selected file was removed in the server, and now we know it
1090                                 cleanSecondFragment();
1091                                 currentFile = currentDir;
1092                             }
1093
1094                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1095                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1096                                 if (fileListFragment != null) {
1097                                     fileListFragment.listDirectory(currentDir);
1098                                 }
1099                             }
1100                             setFile(currentFile);
1101                         }
1102
1103                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1104
1105                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1106                                     equals(event) &&
1107                                 /// TODO refactor and make common
1108                                 synchResult != null && !synchResult.isSuccess() &&
1109                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1110                                     synchResult.isIdPRedirection()                  ||
1111                                     (synchResult.isException() && synchResult.getException()
1112                                             instanceof AuthenticatorException))) {
1113
1114                             OwnCloudClient client = null;
1115                             try {
1116                                 OwnCloudAccount ocAccount =
1117                                         new OwnCloudAccount(getAccount(), context);
1118                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1119                                         removeClientFor(ocAccount));
1120                                 // TODO get rid of these exceptions
1121                             } catch (AccountNotFoundException e) {
1122                                 e.printStackTrace();
1123                             } catch (AuthenticatorException e) {
1124                                 e.printStackTrace();
1125                             } catch (OperationCanceledException e) {
1126                                 e.printStackTrace();
1127                             } catch (IOException e) {
1128                                 e.printStackTrace();
1129                             }
1130
1131                             if (client != null) {
1132                                 OwnCloudCredentials cred = client.getCredentials();
1133                                 if (cred != null) {
1134                                     AccountManager am = AccountManager.get(context);
1135                                     if (cred.authTokenExpires()) {
1136                                         am.invalidateAuthToken(
1137                                                 getAccount().type,
1138                                                 cred.getAuthToken()
1139                                         );
1140                                     } else {
1141                                         am.clearPassword(getAccount());
1142                                     }
1143                                 }
1144                             }
1145
1146                             requestCredentialsUpdate();
1147
1148                         }
1149                     }
1150                     removeStickyBroadcast(intent);
1151                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1152                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1153
1154                     setBackgroundText();
1155
1156                 }
1157
1158                 if (synchResult != null) {
1159                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1160                         mLastSslUntrustedServerResult = synchResult;
1161                     }
1162                 }
1163             } catch (RuntimeException e) {
1164                 // avoid app crashes after changing the serial id of RemoteOperationResult
1165                 // in owncloud library with broadcast notifications pending to process
1166                 removeStickyBroadcast(intent);
1167             }
1168         }
1169     }
1170
1171     /**
1172      * Show a text message on screen view for notifying user if content is
1173      * loading or folder is empty
1174      */
1175     private void setBackgroundText() {
1176         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1177         if (ocFileListFragment != null) {
1178             int message = R.string.file_list_loading;
1179             if (!mSyncInProgress) {
1180                 // In case file list is empty
1181                 message = R.string.file_list_empty;
1182             }
1183             ocFileListFragment.setMessageForEmptyList(getString(message));
1184         } else {
1185             Log_OC.e(TAG, "OCFileListFragment is null");
1186         }
1187     }
1188
1189     /**
1190      * Once the file upload has finished -> update view
1191      */
1192     private class UploadFinishReceiver extends BroadcastReceiver {
1193         /**
1194          * Once the file upload has finished -> update view
1195          *  @author David A. Velasco
1196          * {@link BroadcastReceiver} to enable upload feedback in UI
1197          */
1198         @Override
1199         public void onReceive(Context context, Intent intent) {
1200             try {
1201                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1202                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1203                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1204                 OCFile currentDir = getCurrentDir();
1205                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1206                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1207
1208                 if (sameAccount && isDescendant) {
1209                     refreshListOfFilesFragment();
1210                 }
1211
1212                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1213                 boolean renamedInUpload = getFile().getRemotePath().
1214                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1215                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1216                         renamedInUpload;
1217                 FileFragment details = getSecondFragment();
1218                 boolean detailFragmentIsShown = (details != null &&
1219                         details instanceof FileDetailFragment);
1220
1221                 if (sameAccount && sameFile && detailFragmentIsShown) {
1222                     if (uploadWasFine) {
1223                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1224                     }
1225                     if (renamedInUpload) {
1226                         String newName = (new File(uploadedRemotePath)).getName();
1227                         Toast msg = Toast.makeText(
1228                                 context,
1229                                 String.format(
1230                                         getString(R.string.filedetails_renamed_in_upload_msg),
1231                                         newName),
1232                                 Toast.LENGTH_LONG);
1233                         msg.show();
1234                     }
1235                     if (uploadWasFine || getFile().fileExists()) {
1236                         ((FileDetailFragment)details).updateFileDetails(false, true);
1237                     } else {
1238                         cleanSecondFragment();
1239                     }
1240
1241                     // Force the preview if the file is an image
1242                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1243                         startImagePreview(getFile());
1244                     } // TODO what about other kind of previews?
1245                 }
1246
1247             } finally {
1248                 if (intent != null) {
1249                     removeStickyBroadcast(intent);
1250                 }
1251             }
1252
1253         }
1254
1255     }
1256
1257
1258     /**
1259      * Class waiting for broadcast events from the {@link FileDownloader} service.
1260      *
1261      * Updates the UI when a download is started or finished, provided that it is relevant for the
1262      * current folder.
1263      */
1264     private class DownloadFinishReceiver extends BroadcastReceiver {
1265
1266         //int refreshCounter = 0;
1267         @Override
1268         public void onReceive(Context context, Intent intent) {
1269             try {
1270                 boolean sameAccount = isSameAccount(context, intent);
1271                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1272                 boolean isDescendant = isDescendant(downloadedRemotePath);
1273
1274                 if (sameAccount && isDescendant) {
1275                     String linkedToRemotePath = intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1276                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1277                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1278                         refreshListOfFilesFragment();
1279                     }
1280                     refreshSecondFragment(
1281                             intent.getAction(),
1282                             downloadedRemotePath,
1283                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1284                     );
1285                 }
1286
1287                 if (mWaitingToSend != null) {
1288                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1289                     if (mWaitingToSend.isDown()) {
1290                         sendDownloadedFile();
1291                     }
1292                 }
1293
1294             } finally {
1295                 if (intent != null) {
1296                     removeStickyBroadcast(intent);
1297                 }
1298             }
1299         }
1300
1301         private boolean isDescendant(String downloadedRemotePath) {
1302             OCFile currentDir = getCurrentDir();
1303             return (
1304                 currentDir != null &&
1305                 downloadedRemotePath != null &&
1306                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1307             );
1308         }
1309
1310         private boolean isAscendant(String linkedToRemotePath) {
1311             OCFile currentDir = getCurrentDir();
1312             return (
1313                 currentDir != null &&
1314                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1315             );
1316         }
1317
1318         private boolean isSameAccount(Context context, Intent intent) {
1319             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1320             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1321         }
1322     }
1323
1324
1325     public void browseToRoot() {
1326         OCFileListFragment listOfFiles = getListOfFilesFragment();
1327         if (listOfFiles != null) {  // should never be null, indeed
1328             while (mDirectories.getCount() > 1) {
1329                 popDirname();
1330             }
1331             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1332             listOfFiles.listDirectory(root);
1333             setFile(listOfFiles.getCurrentFile());
1334             startSyncFolderOperation(root, false);
1335         }
1336         cleanSecondFragment();
1337     }
1338
1339
1340     public void browseTo(OCFile folder) {
1341         if (folder == null || !folder.isFolder()) {
1342             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1343         }
1344         OCFileListFragment listOfFiles = getListOfFilesFragment();
1345         if (listOfFiles != null) {
1346             setNavigationListWithFolder(folder);
1347             listOfFiles.listDirectory(folder);
1348             setFile(listOfFiles.getCurrentFile());
1349             startSyncFolderOperation(folder, false);
1350         } else {
1351             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1352         }
1353         cleanSecondFragment();
1354     }
1355
1356
1357     /**
1358      * {@inheritDoc}
1359      *
1360      * Updates action bar and second fragment, if in dual pane mode.
1361      */
1362     @Override
1363     public void onBrowsedDownTo(OCFile directory) {
1364         pushDirname(directory);
1365         cleanSecondFragment();
1366
1367         // Sync Folder
1368         startSyncFolderOperation(directory, false);
1369
1370     }
1371
1372     /**
1373      * Shows the information of the {@link OCFile} received as a
1374      * parameter in the second fragment.
1375      *
1376      * @param file          {@link OCFile} whose details will be shown
1377      */
1378     @Override
1379     public void showDetails(OCFile file) {
1380         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1381         setSecondFragment(detailFragment);
1382         updateFragmentsVisibility(true);
1383         updateNavigationElementsInActionBar(file);
1384         setFile(file);
1385     }
1386
1387
1388     /**
1389      * TODO
1390      */
1391     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1392         ActionBar actionBar = getSupportActionBar();
1393         if (chosenFile == null || mDualPane) {
1394             // only list of files - set for browsing through folders
1395             OCFile currentDir = getCurrentDir();
1396             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1397             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1398             actionBar.setDisplayShowTitleEnabled(!noRoot);
1399             if (!noRoot) {
1400                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1401             }
1402             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1403             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1404
1405         } else {
1406             actionBar.setDisplayHomeAsUpEnabled(true);
1407             actionBar.setDisplayShowTitleEnabled(true);
1408             actionBar.setTitle(chosenFile.getFileName());
1409             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1410         }
1411     }
1412
1413
1414     @Override
1415     protected ServiceConnection newTransferenceServiceConnection() {
1416         return new ListServiceConnection();
1417     }
1418
1419     /** Defines callbacks for service binding, passed to bindService() */
1420     private class ListServiceConnection implements ServiceConnection {
1421
1422         @Override
1423         public void onServiceConnected(ComponentName component, IBinder service) {
1424             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1425                 Log_OC.d(TAG, "Download service connected");
1426                 mDownloaderBinder = (FileDownloaderBinder) service;
1427                 if (mWaitingToPreview != null)
1428                     if (getStorageManager() != null) {
1429                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1430                         if (!mWaitingToPreview.isDown()) {
1431                             requestForDownload();
1432                         }
1433                 }
1434
1435             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1436                 Log_OC.d(TAG, "Upload service connected");
1437                 mUploaderBinder = (FileUploaderBinder) service;
1438             } else {
1439                 return;
1440             }
1441             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1442             OCFileListFragment listOfFiles = getListOfFilesFragment();
1443             if (listOfFiles != null) {
1444                 listOfFiles.listDirectory();
1445             }
1446             FileFragment secondFragment = getSecondFragment();
1447             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1448                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1449                 detailFragment.listenForTransferProgress();
1450                 detailFragment.updateFileDetails(false, false);
1451             }
1452         }
1453
1454         @Override
1455         public void onServiceDisconnected(ComponentName component) {
1456             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1457                 Log_OC.d(TAG, "Download service disconnected");
1458                 mDownloaderBinder = null;
1459             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1460                 Log_OC.d(TAG, "Upload service disconnected");
1461                 mUploaderBinder = null;
1462             }
1463         }
1464     };
1465
1466
1467
1468     /**
1469      * Launch an intent to request the PIN code to the user before letting him use the app
1470      */
1471     private void requestPinCode() {
1472         boolean pinStart = false;
1473         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1474         pinStart = appPrefs.getBoolean("set_pincode", false);
1475         if (pinStart) {
1476             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1477             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1478             startActivity(i);
1479         }
1480     }
1481
1482
1483     @Override
1484     public void onSavedCertificate() {
1485         startSyncFolderOperation(getCurrentDir(), false);
1486     }
1487
1488
1489     @Override
1490     public void onFailedSavingCertificate() {
1491         showDialog(DIALOG_CERT_NOT_SAVED);
1492     }
1493
1494     @Override
1495     public void onCancelCertificate() {
1496         // nothing to do
1497     }
1498
1499     /**
1500      * Updates the view associated to the activity after the finish of some operation over files
1501      * in the current account.
1502      *
1503      * @param operation     Removal operation performed.
1504      * @param result        Result of the removal.
1505      */
1506     @Override
1507     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1508         super.onRemoteOperationFinish(operation, result);
1509
1510         if (operation instanceof RemoveFileOperation) {
1511             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1512
1513         } else if (operation instanceof RenameFileOperation) {
1514             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1515
1516         } else if (operation instanceof SynchronizeFileOperation) {
1517             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1518
1519         } else if (operation instanceof CreateFolderOperation) {
1520             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1521
1522         } else if (operation instanceof CreateShareOperation) {
1523             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1524
1525         } else if (operation instanceof UnshareLinkOperation) {
1526             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1527
1528         } else if (operation instanceof MoveFileOperation) {
1529             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1530         }
1531
1532     }
1533
1534
1535     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1536         if (result.isSuccess()) {
1537             refreshShowDetails();
1538             refreshListOfFilesFragment();
1539         }
1540     }
1541
1542
1543     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1544         if (result.isSuccess()) {
1545             refreshShowDetails();
1546             refreshListOfFilesFragment();
1547
1548         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1549             cleanSecondFragment();
1550             refreshListOfFilesFragment();
1551         }
1552     }
1553
1554     private void refreshShowDetails() {
1555         FileFragment details = getSecondFragment();
1556         if (details != null) {
1557             OCFile file = details.getFile();
1558             if (file != null) {
1559                 file = getStorageManager().getFileByPath(file.getRemotePath());
1560                 if (details instanceof PreviewMediaFragment) {
1561                     // Refresh  OCFile of the fragment
1562                     ((PreviewMediaFragment) details).updateFile(file);
1563                 } else {
1564                     showDetails(file);
1565                 }
1566             }
1567             invalidateOptionsMenu();
1568         }
1569     }
1570
1571     /**
1572      * Updates the view associated to the activity after the finish of an operation trying to remove a
1573      * file.
1574      *
1575      * @param operation     Removal operation performed.
1576      * @param result        Result of the removal.
1577      */
1578     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1579         dismissLoadingDialog();
1580
1581         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1582                 Toast.LENGTH_LONG);
1583         msg.show();
1584
1585         if (result.isSuccess()) {
1586             OCFile removedFile = operation.getFile();
1587             FileFragment second = getSecondFragment();
1588             if (second != null && removedFile.equals(second.getFile())) {
1589                 if (second instanceof PreviewMediaFragment) {
1590                     ((PreviewMediaFragment)second).stopPreview(true);
1591                 }
1592                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1593                 cleanSecondFragment();
1594             }
1595             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1596                 refreshListOfFilesFragment();
1597             }
1598             invalidateOptionsMenu();
1599         } else {
1600             if (result.isSslRecoverableException()) {
1601                 mLastSslUntrustedServerResult = result;
1602                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1603             }
1604         }
1605     }
1606
1607
1608     /**
1609      * Updates the view associated to the activity after the finish of an operation trying to move a
1610      * file.
1611      *
1612      * @param operation     Move operation performed.
1613      * @param result        Result of the move operation.
1614      */
1615     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1616         if (result.isSuccess()) {
1617             dismissLoadingDialog();
1618             refreshListOfFilesFragment();
1619         } else {
1620             dismissLoadingDialog();
1621             try {
1622                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1623                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1624                         Toast.LENGTH_LONG);
1625                 msg.show();
1626
1627             } catch (NotFoundException e) {
1628                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1629             }
1630         }
1631     }
1632
1633
1634     /**
1635      * Updates the view associated to the activity after the finish of an operation trying to rename a
1636      * file.
1637      *
1638      * @param operation     Renaming operation performed.
1639      * @param result        Result of the renaming.
1640      */
1641     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1642         dismissLoadingDialog();
1643         OCFile renamedFile = operation.getFile();
1644         if (result.isSuccess()) {
1645             FileFragment details = getSecondFragment();
1646             if (details != null) {
1647                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1648                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1649                     showDetails(renamedFile);
1650
1651                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1652                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1653                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1654                         int position = ((PreviewMediaFragment)details).getPosition();
1655                         startMediaPreview(renamedFile, position, true);
1656                     } else {
1657                         getFileOperationsHelper().openFile(renamedFile);
1658                     }
1659                 }
1660             }
1661
1662             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1663                 refreshListOfFilesFragment();
1664             }
1665
1666         } else {
1667             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1668                     Toast.LENGTH_LONG);
1669             msg.show();
1670
1671             if (result.isSslRecoverableException()) {
1672                 mLastSslUntrustedServerResult = result;
1673                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1674             }
1675         }
1676     }
1677
1678     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1679         dismissLoadingDialog();
1680         OCFile syncedFile = operation.getLocalFile();
1681         if (!result.isSuccess()) {
1682             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1683                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1684                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1685                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1686                 startActivity(i);
1687
1688             }
1689
1690         } else {
1691             if (operation.transferWasRequested()) {
1692                 onTransferStateChanged(syncedFile, true, true);
1693
1694             } else {
1695                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1696                         Toast.LENGTH_LONG);
1697                 msg.show();
1698             }
1699         }
1700     }
1701
1702     /**
1703      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1704      *
1705      * @param operation     Creation operation performed.
1706      * @param result        Result of the creation.
1707      */
1708     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1709         if (result.isSuccess()) {
1710             dismissLoadingDialog();
1711             refreshListOfFilesFragment();
1712         } else {
1713             dismissLoadingDialog();
1714             try {
1715                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1716                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1717                         Toast.LENGTH_LONG);
1718                 msg.show();
1719
1720             } catch (NotFoundException e) {
1721                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1722             }
1723         }
1724     }
1725
1726
1727     /**
1728      * {@inheritDoc}
1729      */
1730     @Override
1731     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1732         refreshListOfFilesFragment();
1733         FileFragment details = getSecondFragment();
1734         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1735             if (downloading || uploading) {
1736                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1737             } else {
1738                 if (!file.fileExists()) {
1739                     cleanSecondFragment();
1740                 } else {
1741                     ((FileDetailFragment)details).updateFileDetails(false, true);
1742                 }
1743             }
1744         }
1745
1746     }
1747
1748
1749     private void requestForDownload() {
1750         Account account = getAccount();
1751         //if (!mWaitingToPreview.isDownloading()) {
1752         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1753             Intent i = new Intent(this, FileDownloader.class);
1754             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1755             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1756             startService(i);
1757         }
1758     }
1759
1760
1761     private OCFile getCurrentDir() {
1762         OCFile file = getFile();
1763         if (file != null) {
1764             if (file.isFolder()) {
1765                 return file;
1766             } else if (getStorageManager() != null) {
1767                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1768                 return getStorageManager().getFileByPath(parentPath);
1769             }
1770         }
1771         return null;
1772     }
1773
1774     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1775         long currentSyncTime = System.currentTimeMillis();
1776
1777         mSyncInProgress = true;
1778
1779         // perform folder synchronization
1780         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1781                                                                         currentSyncTime,
1782                                                                         false,
1783                                                                         getFileOperationsHelper().isSharedSupported(),
1784                                                                         ignoreETag,
1785                                                                         getStorageManager(),
1786                                                                         getAccount(),
1787                                                                         getApplicationContext()
1788                                                                       );
1789         synchFolderOp.execute(getAccount(), this, null, null);
1790
1791         setSupportProgressBarIndeterminateVisibility(true);
1792
1793         setBackgroundText();
1794     }
1795
1796     /**
1797      * Show untrusted cert dialog
1798      */
1799     public void showUntrustedCertDialog(RemoteOperationResult result) {
1800         // Show a dialog with the certificate info
1801         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1802         FragmentManager fm = getSupportFragmentManager();
1803         FragmentTransaction ft = fm.beginTransaction();
1804         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1805     }
1806
1807     private void requestForDownload(OCFile file) {
1808         Account account = getAccount();
1809         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1810             Intent i = new Intent(this, FileDownloader.class);
1811             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1812             i.putExtra(FileDownloader.EXTRA_FILE, file);
1813             startService(i);
1814         }
1815     }
1816
1817     private void sendDownloadedFile(){
1818         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1819         mWaitingToSend = null;
1820     }
1821
1822
1823     /**
1824      * Requests the download of the received {@link OCFile} , updates the UI
1825      * to monitor the download progress and prepares the activity to send the file
1826      * when the download finishes.
1827      *
1828      * @param file          {@link OCFile} to download and preview.
1829      */
1830     public void startDownloadForSending(OCFile file) {
1831         mWaitingToSend = file;
1832         requestForDownload(mWaitingToSend);
1833         boolean hasSecondFragment = (getSecondFragment()!= null);
1834         updateFragmentsVisibility(hasSecondFragment);
1835     }
1836
1837     /**
1838      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1839      *
1840      * @param file                      Image {@link OCFile} to show.
1841      */
1842     public void startImagePreview(OCFile file) {
1843         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1844         showDetailsIntent.putExtra(EXTRA_FILE, file);
1845         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1846         startActivity(showDetailsIntent);
1847
1848     }
1849
1850     /**
1851      * Stars the preview of an already down media {@link OCFile}.
1852      *
1853      * @param file                      Media {@link OCFile} to preview.
1854      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1855      * @param autoplay                  When 'true', the playback will start without user interactions.
1856      */
1857     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1858         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1859         setSecondFragment(mediaFragment);
1860         updateFragmentsVisibility(true);
1861         updateNavigationElementsInActionBar(file);
1862         setFile(file);
1863     }
1864
1865     /**
1866      * Requests the download of the received {@link OCFile} , updates the UI
1867      * to monitor the download progress and prepares the activity to preview
1868      * or open the file when the download finishes.
1869      *
1870      * @param file          {@link OCFile} to download and preview.
1871      */
1872     public void startDownloadForPreview(OCFile file) {
1873         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1874         setSecondFragment(detailFragment);
1875         mWaitingToPreview = file;
1876         requestForDownload();
1877         updateFragmentsVisibility(true);
1878         updateNavigationElementsInActionBar(file);
1879         setFile(file);
1880     }
1881
1882
1883     public void cancelTransference(OCFile file) {
1884         getFileOperationsHelper().cancelTransference(file);
1885         if (mWaitingToPreview != null &&
1886                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1887             mWaitingToPreview = null;
1888         }
1889         if (mWaitingToSend != null &&
1890                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1891             mWaitingToSend = null;
1892         }
1893         onTransferStateChanged(file, false, false);
1894     }
1895
1896     public void cancelUploadsForAnAccount(Account account) {
1897         mUploaderBinder.cancel(account);
1898     }
1899
1900     @Override
1901     public void onRefresh(boolean ignoreETag) {
1902         refreshList(ignoreETag);
1903     }
1904
1905     @Override
1906     public void onRefresh() {
1907         refreshList(true);
1908     }
1909
1910     private void refreshList(boolean ignoreETag) {
1911         OCFileListFragment listOfFiles = getListOfFilesFragment();
1912         if (listOfFiles != null) {
1913             OCFile folder = listOfFiles.getCurrentFile();
1914             if (folder != null) {
1915                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1916                 listDirectory(mFile);*/
1917                 startSyncFolderOperation(folder, ignoreETag);
1918             }
1919         }
1920     }
1921
1922     private void sortByDate(boolean ascending){
1923         getListOfFilesFragment().sortByDate(ascending);
1924     }
1925
1926     private void sortBySize(boolean ascending){
1927         getListOfFilesFragment().sortBySize(ascending);
1928     }
1929
1930     private void sortByName(boolean ascending){
1931         getListOfFilesFragment().sortByName(ascending);
1932     }
1933 }