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