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.app.AlertDialog;
  29 import android.app.Dialog;
  30 import android.app.ProgressDialog;
  31 import android.content.BroadcastReceiver;
  32 import android.content.ComponentName;
  33 import android.content.ContentResolver;
  34 import android.content.ContentUris;
  35 import android.content.Context;
  36 import android.content.DialogInterface;
  37 import android.content.Intent;
  38 import android.content.IntentFilter;
  39 import android.content.ServiceConnection;
  40 import android.content.SharedPreferences;
  41 import android.content.SyncRequest;
  42 import android.content.res.Resources.NotFoundException;
  43 import android.database.Cursor;
  44 import android.net.Uri;
  45 import android.os.Build;
  46 import android.os.Bundle;
  47 import android.os.Environment;
  48 import android.os.IBinder;
  49 import android.preference.PreferenceManager;
  50 import android.provider.DocumentsContract;
  51 import android.provider.MediaStore;
  52 import android.provider.OpenableColumns;
  53 import android.support.v4.app.Fragment;
  54 import android.support.v4.app.FragmentManager;
  55 import android.support.v4.app.FragmentTransaction;
  56 import android.util.Log;
  57 import android.view.View;
  58 import android.view.ViewGroup;
  59 import android.widget.ArrayAdapter;
  60 import android.widget.TextView;
  61 import android.widget.Toast;
  62
  63 import com.actionbarsherlock.app.ActionBar;
  64 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  65 import com.actionbarsherlock.view.Menu;
  66 import com.actionbarsherlock.view.MenuInflater;
  67 import com.actionbarsherlock.view.MenuItem;
  68 import com.actionbarsherlock.view.Window;
  69 import com.owncloud.android.BuildConfig;
  70 import com.owncloud.android.MainApp;
  71 import com.owncloud.android.R;
  72 import com.owncloud.android.datamodel.OCFile;
  73 import com.owncloud.android.files.services.FileDownloader;
  74 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  75 import com.owncloud.android.files.services.FileUploader;
  76 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  77 import com.owncloud.android.lib.common.OwnCloudAccount;
  78 import com.owncloud.android.lib.common.OwnCloudClient;
  79 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  80 import com.owncloud.android.lib.common.OwnCloudCredentials;
  81 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  82 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  83 import com.owncloud.android.lib.common.operations.RemoteOperation;
  84 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  85 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  86 import com.owncloud.android.lib.common.utils.Log_OC;
  87 import com.owncloud.android.operations.CreateFolderOperation;
  88 import com.owncloud.android.operations.CreateShareOperation;
  89 import com.owncloud.android.operations.MoveFileOperation;
  90 import com.owncloud.android.operations.RemoveFileOperation;
  91 import com.owncloud.android.operations.RenameFileOperation;
  92 import com.owncloud.android.operations.SynchronizeFileOperation;
  93 import com.owncloud.android.operations.SynchronizeFolderOperation;
  94 import com.owncloud.android.operations.UnshareLinkOperation;
  95 import com.owncloud.android.services.observer.FileObserverService;
  96 import com.owncloud.android.syncadapter.FileSyncAdapter;
  97 import com.owncloud.android.ui.adapter.FileListListAdapter;
  98 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  99 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
 100 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
 101 import com.owncloud.android.ui.fragment.FileDetailFragment;
 102 import com.owncloud.android.ui.fragment.FileFragment;
 103 import com.owncloud.android.ui.fragment.OCFileListFragment;
 104 import com.owncloud.android.ui.preview.PreviewImageActivity;
 105 import com.owncloud.android.ui.preview.PreviewImageFragment;
 106 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 107 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 108 import com.owncloud.android.utils.DisplayUtils;
 109 import com.owncloud.android.utils.ErrorMessageAdapter;
 110
 111
 112 /**
 113  * Displays, what files the user has available in his ownCloud.
 114  *
 115  * @author Bartek Przybylski
 116  * @author David A. Velasco
 117  */
 118
 119 public class FileDisplayActivity extends HookActivity implements
 120 FileFragment.ContainerActivity, OnNavigationListener,
 121 OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 122
 123     private ArrayAdapter<String> mDirectories;
 124
 125     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 126     private UploadFinishReceiver mUploadFinishReceiver;
 127     private DownloadFinishReceiver mDownloadFinishReceiver;
 128     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 129
 130     private boolean mDualPane;
 131     private View mLeftFragmentContainer;
 132     private View mRightFragmentContainer;
 133
 134     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 135     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 136     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 137
 138     public static final int DIALOG_SHORT_WAIT = 0;
 139     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 140     private static final int DIALOG_CERT_NOT_SAVED = 2;
 141
 142     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 143
 144     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 145     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 146     public static final int ACTION_MOVE_FILES = 3;
 147
 148     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 149
 150     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 151     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 152
 153     private OCFile mWaitingToPreview;
 154
 155     private boolean mSyncInProgress = false;
 156
 157     private String DIALOG_UNTRUSTED_CERT;
 158
 159     private OCFile mWaitingToSend;
 160
 161     @Override
 162     protected void onCreate(Bundle savedInstanceState) {
 163         Log_OC.d(TAG, "onCreate() start");
 164         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 165
 166         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 167
 168         // PIN CODE request ;  best location is to decide, let's try this first
 169         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 170             requestPinCode();
 171         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 172             requestPinCode();
 173         }
 174
 175         /// grant that FileObserverService is watching favourite files
 176         if (savedInstanceState == null) {
 177             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 178             startService(initObserversIntent);
 179         }
 180
 181         /// Load of saved instance state
 182         if(savedInstanceState != null) {
 183             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 184             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 185             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 186
 187         } else {
 188             mWaitingToPreview = null;
 189             mSyncInProgress = false;
 190             mWaitingToSend = null;
 191         }
 192
 193         /// USER INTERFACE
 194
 195         // Inflate and set the layout view
 196         setContentView(R.layout.files);
 197         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 198         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 199         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 200         if (savedInstanceState == null) {
 201             createMinFragments();
 202         }
 203
 204         // Action bar setup
 205         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 206         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 207         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 208
 209         setBackgroundText();
 210
 211         Log_OC.d(TAG, "onCreate() end");
 212     }
 213
 214     @Override
 215     protected void onStart() {
 216         super.onStart();
 217         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 218     }
 219
 220     @Override
 221     protected void onDestroy() {
 222         super.onDestroy();
 223     }
 224
 225     /**
 226      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 227      */
 228     @Override
 229     protected void onAccountSet(boolean stateWasRecovered) {
 230         super.onAccountSet(stateWasRecovered);
 231         if (getAccount() != null) {
 232             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 233             OCFile file = getFile();
 234             // get parent from path
 235             String parentPath = "";
 236             if (file != null) {
 237                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 238                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 239                     // get parent from path
 240                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 241                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 242                         file = null; // not able to know the directory where the file is uploading
 243                 } else {
 244                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 245                 }
 246             }
 247             if (file == null) {
 248                 // fall back to root folder
 249                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 250             }
 251             setFile(file);
 252             setNavigationListWithFolder(file);
 253
 254             if (!stateWasRecovered) {
 255                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 256                 initFragmentsWithFile();
 257                 if (file.isFolder()) {
 258                     startSyncFolderOperation(file, false);
 259                 }
 260
 261             } else {
 262                 updateFragmentsVisibility(!file.isFolder());
 263                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 264             }
 265         }
 266     }
 267
 268
 269     private void setNavigationListWithFolder(OCFile file) {
 270         mDirectories.clear();
 271         OCFile fileIt = file;
 272         String parentPath;
 273         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 274             if (fileIt.isFolder()) {
 275                 mDirectories.add(fileIt.getFileName());
 276             }
 277             // get parent from path
 278             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 279             fileIt = getStorageManager().getFileByPath(parentPath);
 280         }
 281         mDirectories.add(OCFile.PATH_SEPARATOR);
 282     }
 283
 284
 285     private void createMinFragments() {
 286         OCFileListFragment listOfFiles = new OCFileListFragment();
 287         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 288         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 289         transaction.commit();
 290     }
 291
 292     private void initFragmentsWithFile() {
 293         if (getAccount() != null && getFile() != null) {
 294             /// First fragment
 295             OCFileListFragment listOfFiles = getListOfFilesFragment();
 296             if (listOfFiles != null) {
 297                 listOfFiles.listDirectory(getCurrentDir());
 298             } else {
 299                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 300             }
 301
 302             /// Second fragment
 303             OCFile file = getFile();
 304             Fragment secondFragment = chooseInitialSecondFragment(file);
 305             if (secondFragment != null) {
 306                 setSecondFragment(secondFragment);
 307                 updateFragmentsVisibility(true);
 308                 updateNavigationElementsInActionBar(file);
 309
 310             } else {
 311                 cleanSecondFragment();
 312             }
 313
 314         } else {
 315             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 316             if (getAccount() == null) {
 317                 Log_OC.wtf(TAG, "\t account is NULL");
 318             }
 319             if (getFile() == null) {
 320                 Log_OC.wtf(TAG, "\t file is NULL");
 321             }
 322         }
 323     }
 324
 325     private Fragment chooseInitialSecondFragment(OCFile file) {
 326         Fragment secondFragment = null;
 327         if (file != null && !file.isFolder()) {
 328             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 329                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 330                     ) {
 331                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 332                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 333                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 334
 335             } else {
 336                 secondFragment = new FileDetailFragment(file, getAccount());
 337             }
 338         }
 339         return secondFragment;
 340     }
 341
 342
 343     /**
 344      * Replaces the second fragment managed by the activity with the received as
 345      * a parameter.
 346      *
 347      * Assumes never will be more than two fragments managed at the same time.
 348      *
 349      * @param fragment      New second Fragment to set.
 350      */
 351     private void setSecondFragment(Fragment fragment) {
 352         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 353         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 354         transaction.commit();
 355     }
 356
 357
 358     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 359         if (mDualPane) {
 360             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 361                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 362             }
 363             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 364                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 365             }
 366
 367         } else if (existsSecondFragment) {
 368             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 369                 mLeftFragmentContainer.setVisibility(View.GONE);
 370             }
 371             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 372                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 373             }
 374
 375         } else {
 376             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 377                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 378             }
 379             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 380                 mRightFragmentContainer.setVisibility(View.GONE);
 381             }
 382         }
 383     }
 384
 385
 386     private OCFileListFragment getListOfFilesFragment() {
 387         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 388         if (listOfFiles != null) {
 389             return (OCFileListFragment)listOfFiles;
 390         }
 391         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 392         return null;
 393     }
 394
 395     public FileFragment getSecondFragment() {
 396         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 397         if (second != null) {
 398             return (FileFragment)second;
 399         }
 400         return null;
 401     }
 402
 403     protected void cleanSecondFragment() {
 404         Fragment second = getSecondFragment();
 405         if (second != null) {
 406             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 407             tr.remove(second);
 408             tr.commit();
 409         }
 410         updateFragmentsVisibility(false);
 411         updateNavigationElementsInActionBar(null);
 412     }
 413
 414     protected void refreshListOfFilesFragment() {
 415         OCFileListFragment fileListFragment = getListOfFilesFragment();
 416         if (fileListFragment != null) {
 417             fileListFragment.listDirectory();
 418         }
 419     }
 420
 421     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 422         FileFragment secondFragment = getSecondFragment();
 423         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 424         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 425             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 426             OCFile fileInFragment = detailsFragment.getFile();
 427             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 428                 // the user browsed to other file ; forget the automatic preview
 429                 mWaitingToPreview = null;
 430
 431             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 432                 // grant that the right panel updates the progress bar
 433                 detailsFragment.listenForTransferProgress();
 434                 detailsFragment.updateFileDetails(true, false);
 435
 436             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 437                 //  update the right panel
 438                 boolean detailsFragmentChanged = false;
 439                 if (waitedPreview) {
 440                     if (success) {
 441                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 442                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 443                             startMediaPreview(mWaitingToPreview, 0, true);
 444                             detailsFragmentChanged = true;
 445                         } else {
 446                             getFileOperationsHelper().openFile(mWaitingToPreview);
 447                         }
 448                     }
 449                     mWaitingToPreview = null;
 450                 }
 451                 if (!detailsFragmentChanged) {
 452                     detailsFragment.updateFileDetails(false, (success));
 453                 }
 454             }
 455         }
 456     }
 457
 458     @Override
 459     public boolean onPrepareOptionsMenu(Menu menu) {
 460         if (BuildConfig.DEBUG) {
 461             menu.findItem(R.id.action_logger).setVisible(true);
 462         } else {
 463             menu.findItem(R.id.action_logger).setVisible(false);
 464         }
 465         return super.onPrepareOptionsMenu(menu);
 466     }
 467
 468     @Override
 469     public boolean onCreateOptionsMenu(Menu menu) {
 470         MenuInflater inflater = getSherlock().getMenuInflater();
 471         inflater.inflate(R.menu.main_menu, menu);
 472         return true;
 473     }
 474
 475     @Override
 476     public boolean onOptionsItemSelected(MenuItem item) {
 477         boolean retval = true;
 478         switch (item.getItemId()) {
 479         case R.id.action_create_dir: {
 480             CreateFolderDialogFragment dialog =
 481                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 482             dialog.show(getSupportFragmentManager(), "createdirdialog");
 483             break;
 484         }
 485         case R.id.action_sync_account: {
 486             startSynchronization();
 487             break;
 488         }
 489         case R.id.action_upload: {
 490             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 491             break;
 492         }
 493         case R.id.action_settings: {
 494             Intent settingsIntent = new Intent(this, Preferences.class);
 495             startActivity(settingsIntent);
 496             break;
 497         }
 498         case R.id.action_logger: {
 499             Intent loggerIntent = new Intent(getApplicationContext(),LogHistoryActivity.class);
 500             startActivity(loggerIntent);
 501             break;
 502         }
 503         case android.R.id.home: {
 504             FileFragment second = getSecondFragment();
 505             OCFile currentDir = getCurrentDir();
 506             if((currentDir != null && currentDir.getParentId() != 0) ||
 507                     (second != null && second.getFile() != null)) {
 508                 onBackPressed();
 509
 510             }
 511             break;
 512         }
 513         case R.id.action_sort: {
 514             SharedPreferences appPreferences = PreferenceManager
 515                     .getDefaultSharedPreferences(this);
 516
 517             // Read sorting order, default to sort by name ascending
 518             Integer sortOrder = appPreferences
 519                     .getInt("sortOrder", FileListListAdapter.SORT_NAME);
 520
 521             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 522             builder.setTitle(R.string.actionbar_sort_title)
 523             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 524                 public void onClick(DialogInterface dialog, int which) {
 525
 526                     switch (which){
 527                     case 0:
 528                         sortByName(true);
 529                         break;
 530                     case 1:
 531                         sortByDate(false);
 532                         break;
 533
 534 // TODO re-enable when server-side folder size calculation is available
 535 //                    case 2:
 536 //                        sortBySize(false);
 537 //                        break;
 538                     }
 539
 540                     dialog.dismiss();
 541
 542                 }
 543             });
 544             builder.create().show();
 545             break;
 546         }
 547         default:
 548             retval = super.onOptionsItemSelected(item);
 549         }
 550         return retval;
 551     }
 552
 553     private void startSynchronization() {
 554         Log_OC.e(TAG, "Got to start sync");
 555         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 556             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 557             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 558             Bundle bundle = new Bundle();
 559             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 560             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 561             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 562             ContentResolver.requestSync(
 563                     getAccount(),
 564                     MainApp.getAuthority(), bundle);
 565         } else {
 566             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 567             SyncRequest.Builder builder = new SyncRequest.Builder();
 568             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 569             builder.setExpedited(true);
 570             builder.setManual(true);
 571             builder.syncOnce();
 572             SyncRequest request = builder.build();
 573             ContentResolver.requestSync(request);
 574         }
 575     }
 576
 577
 578     @Override
 579     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 580         if (itemPosition != 0) {
 581             String targetPath = "";
 582             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 583                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 584             }
 585             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 586             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 587             if (targetFolder != null) {
 588                 browseTo(targetFolder);
 589             }
 590
 591             // the next operation triggers a new call to this method, but it's necessary to
 592             // ensure that the name exposed in the action bar is the current directory when the
 593             // user selected it in the navigation list
 594             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 595                 getSupportActionBar().setSelectedNavigationItem(0);
 596         }
 597         return true;
 598     }
 599
 600     /**
 601      * Called, when the user selected something for uploading
 602      */
 603     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 604         super.onActivityResult(requestCode, resultCode, data);
 605
 606         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 607             requestSimpleUpload(data, resultCode);
 608
 609         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 610             requestMultipleUpload(data, resultCode);
 611
 612         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 613                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)){
 614
 615             final Intent fData = data;
 616             final int fResultCode = resultCode;
 617             getHandler().postDelayed(
 618                 new Runnable() {
 619                     @Override
 620                     public void run() {
 621                         requestMoveOperation(fData, fResultCode);
 622                     }
 623                 },
 624                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 625             );
 626         }
 627     }
 628
 629     private void requestMultipleUpload(Intent data, int resultCode) {
 630         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 631         if (filePaths != null) {
 632             String[] remotePaths = new String[filePaths.length];
 633             String remotePathBase = "";
 634             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 635                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 636             }
 637             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 638                 remotePathBase += OCFile.PATH_SEPARATOR;
 639             for (int j = 0; j< remotePaths.length; j++) {
 640                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 641             }
 642
 643             Intent i = new Intent(this, FileUploader.class);
 644             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 645             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 646             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 647             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 648             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 649                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 650             startService(i);
 651
 652         } else {
 653             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 654             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 655             t.show();
 656             return;
 657         }
 658     }
 659
 660
 661     private void requestSimpleUpload(Intent data, int resultCode) {
 662         String filepath = null;
 663         try {
 664             Uri selectedImageUri = data.getData();
 665
 666             String filemanagerstring = selectedImageUri.getPath();
 667             String selectedImagePath = getPath(selectedImageUri);
 668
 669             if (selectedImagePath != null)
 670                 filepath = selectedImagePath;
 671             else
 672                 filepath = filemanagerstring;
 673
 674         } catch (Exception e) {
 675             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 676             e.printStackTrace();
 677
 678         } finally {
 679             if (filepath == null) {
 680                 Log_OC.e(TAG, "Couldnt resolve path to file");
 681                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 682                 t.show();
 683                 return;
 684             }
 685         }
 686
 687         Intent i = new Intent(this, FileUploader.class);
 688         i.putExtra(FileUploader.KEY_ACCOUNT,
 689                 getAccount());
 690         String remotepath = new String();
 691         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 692             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 693         }
 694         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 695             remotepath += OCFile.PATH_SEPARATOR;
 696
 697         if (filepath.startsWith("content://")) {
 698             // The query, since it only applies to a single document, will only return
 699             // one row. There's no need to filter, sort, or select fields, since we want
 700             // all fields for one document.
 701             Cursor cursor = MainApp.getAppContext().getContentResolver()
 702                     .query(Uri.parse(filepath), null, null, null, null, null);
 703
 704             try {
 705                 // moveToFirst() returns false if the cursor has 0 rows.  Very handy for
 706                 // "if there's anything to look at, look at it" conditionals.
 707                 if (cursor != null && cursor.moveToFirst()) {
 708
 709                     // Note it's called "Display Name".  This is
 710                     // provider-specific, and might not necessarily be the file name.
 711                     String displayName = cursor.getString(
 712                             cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
 713                     Log.i(TAG, "Display Name: " + displayName);
 714
 715                     remotepath += displayName;
 716                 }
 717             } finally {
 718                 cursor.close();
 719             }
 720
 721         } else {
 722             remotepath += new File(filepath).getName();
 723         }
 724
 725         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 726         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 727         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 728         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 729             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 730         startService(i);
 731     }
 732
 733     /**
 734      * Request the operation for moving the file/folder from one path to another
 735      *
 736      * @param data              Intent received
 737      * @param resultCode        Result code received
 738      */
 739     private void requestMoveOperation(Intent data, int resultCode) {
 740         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 741         OCFile targetFile = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_TARGET_FILE);
 742         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 743     }
 744
 745     @Override
 746     public void onBackPressed() {
 747         OCFileListFragment listOfFiles = getListOfFilesFragment();
 748         if (mDualPane || getSecondFragment() == null) {
 749             if (listOfFiles != null) {  // should never be null, indeed
 750                 if (mDirectories.getCount() <= 1) {
 751                     finish();
 752                     return;
 753                 }
 754                 int levelsUp = listOfFiles.onBrowseUp();
 755                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 756                     popDirname();
 757                 }
 758             }
 759         }
 760         if (listOfFiles != null) {  // should never be null, indeed
 761             setFile(listOfFiles.getCurrentFile());
 762         }
 763         cleanSecondFragment();
 764
 765     }
 766
 767     @Override
 768     protected void onSaveInstanceState(Bundle outState) {
 769         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 770         Log_OC.e(TAG, "onSaveInstanceState() start");
 771         super.onSaveInstanceState(outState);
 772         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 773         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 774         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 775         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 776
 777         Log_OC.d(TAG, "onSaveInstanceState() end");
 778     }
 779
 780
 781
 782     @Override
 783     protected void onResume() {
 784         super.onResume();
 785         Log_OC.e(TAG, "onResume() start");
 786
 787         // refresh list of files
 788         refreshListOfFilesFragment();
 789
 790         // Listen for sync messages
 791         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 792         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 793         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 794         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 795         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 796         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 797         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 798         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 799
 800         // Listen for upload messages
 801         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 802         mUploadFinishReceiver = new UploadFinishReceiver();
 803         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 804
 805         // Listen for download messages
 806         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 807         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 808         mDownloadFinishReceiver = new DownloadFinishReceiver();
 809         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 810
 811         Log_OC.d(TAG, "onResume() end");
 812     }
 813
 814
 815     @Override
 816     protected void onPause() {
 817         Log_OC.e(TAG, "onPause() start");
 818         if (mSyncBroadcastReceiver != null) {
 819             unregisterReceiver(mSyncBroadcastReceiver);
 820             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 821             mSyncBroadcastReceiver = null;
 822         }
 823         if (mUploadFinishReceiver != null) {
 824             unregisterReceiver(mUploadFinishReceiver);
 825             mUploadFinishReceiver = null;
 826         }
 827         if (mDownloadFinishReceiver != null) {
 828             unregisterReceiver(mDownloadFinishReceiver);
 829             mDownloadFinishReceiver = null;
 830         }
 831
 832
 833         Log_OC.d(TAG, "onPause() end");
 834         super.onPause();
 835     }
 836
 837
 838     @Override
 839     protected Dialog onCreateDialog(int id) {
 840         Dialog dialog = null;
 841         AlertDialog.Builder builder;
 842         switch (id) {
 843         case DIALOG_SHORT_WAIT: {
 844             ProgressDialog working_dialog = new ProgressDialog(this);
 845             working_dialog.setMessage(getResources().getString(
 846                     R.string.wait_a_moment));
 847             working_dialog.setIndeterminate(true);
 848             working_dialog.setCancelable(false);
 849             dialog = working_dialog;
 850             break;
 851         }
 852         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 853
 854
 855             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 856                     getString(R.string.actionbar_upload_from_apps) };
 857
 858             builder = new AlertDialog.Builder(this);
 859             builder.setTitle(R.string.actionbar_upload);
 860             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 861                 public void onClick(DialogInterface dialog, int item) {
 862                     if (item == 0) {
 863                         // if (!mDualPane) {
 864                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 865                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 866                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 867                             // } else {
 868                             // TODO create and handle new fragment
 869                             // LocalFileListFragment
 870                             // }
 871                     } else if (item == 1) {
 872                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 873                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 874                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 875                                 ACTION_SELECT_CONTENT_FROM_APPS);
 876                     }
 877                 }
 878             });
 879             dialog = builder.create();
 880             break;
 881         }
 882         case DIALOG_CERT_NOT_SAVED: {
 883             builder = new AlertDialog.Builder(this);
 884             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 885             builder.setCancelable(false);
 886             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 887                 @Override
 888                 public void onClick(DialogInterface dialog, int which) {
 889                     dialog.dismiss();
 890                 };
 891             });
 892             dialog = builder.create();
 893             break;
 894         }
 895         default:
 896             dialog = null;
 897         }
 898
 899         return dialog;
 900     }
 901
 902     /**
 903      * Translates a content URI of an content to a physical path on the disk
 904      *
 905      * @param uri The URI to resolve
 906      * @return The path to the content or null if it could not be found
 907      */
 908     public String getPath(Uri uri) {
 909         final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
 910
 911         // DocumentProvider
 912         if (isKitKat && DocumentsContract.isDocumentUri(getApplicationContext(), uri)) {
 913             // ExternalStorageProvider
 914             if (isExternalStorageDocument(uri)) {
 915                 final String docId = DocumentsContract.getDocumentId(uri);
 916                 final String[] split = docId.split(":");
 917                 final String type = split[0];
 918
 919                 if ("primary".equalsIgnoreCase(type)) {
 920                     return Environment.getExternalStorageDirectory() + "/" + split[1];
 921                 }
 922             }
 923             // DownloadsProvider
 924             else if (isDownloadsDocument(uri)) {
 925
 926                 final String id = DocumentsContract.getDocumentId(uri);
 927                 final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
 928                         Long.valueOf(id));
 929
 930                 return getDataColumn(getApplicationContext(), contentUri, null, null);
 931             }
 932             // MediaProvider
 933             else if (isMediaDocument(uri)) {
 934                 final String docId = DocumentsContract.getDocumentId(uri);
 935                 final String[] split = docId.split(":");
 936                 final String type = split[0];
 937
 938                 Uri contentUri = null;
 939                 if ("image".equals(type)) {
 940                     contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
 941                 } else if ("video".equals(type)) {
 942                     contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
 943                 } else if ("audio".equals(type)) {
 944                     contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
 945                 }
 946
 947                 final String selection = "_id=?";
 948                 final String[] selectionArgs = new String[] { split[1] };
 949
 950                 return getDataColumn(getApplicationContext(), contentUri, selection, selectionArgs);
 951             }
 952             // Documents providers returned as content://...
 953             else if (isAContentDocument(uri)) {
 954                 return uri.toString();
 955             }
 956         }
 957         // MediaStore (and general)
 958         else if ("content".equalsIgnoreCase(uri.getScheme())) {
 959
 960             // Return the remote address
 961             if (isGooglePhotosUri(uri))
 962                 return uri.getLastPathSegment();
 963
 964             return getDataColumn(getApplicationContext(), uri, null, null);
 965         }
 966         // File
 967         else if ("file".equalsIgnoreCase(uri.getScheme())) {
 968             return uri.getPath();
 969         }
 970         return null;
 971     }
 972
 973     /**
 974      * Get the value of the data column for this Uri. This is useful for
 975      * MediaStore Uris, and other file-based ContentProviders.
 976      *
 977      * @param context The context.
 978      * @param uri The Uri to query.
 979      * @param selection (Optional) Filter used in the query.
 980      * @param selectionArgs (Optional) Selection arguments used in the query.
 981      * @return The value of the _data column, which is typically a file path.
 982      */
 983     public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
 984
 985         Cursor cursor = null;
 986         final String column = "_data";
 987         final String[] projection = { column };
 988
 989         try {
 990             cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
 991             if (cursor != null && cursor.moveToFirst()) {
 992
 993                 final int column_index = cursor.getColumnIndexOrThrow(column);
 994                 return cursor.getString(column_index);
 995             }
 996         } finally {
 997             if (cursor != null)
 998                 cursor.close();
 999         }
1000         return null;
1001     }
1002
1003     /**
1004      * @param uri The Uri to check.
1005      * @return Whether the Uri authority is ExternalStorageProvider.
1006      */
1007     public static boolean isExternalStorageDocument(Uri uri) {
1008         return "com.android.externalstorage.documents".equals(uri.getAuthority());
1009     }
1010
1011     /**
1012      * @param uri The Uri to check.
1013      * @return Whether the Uri authority is DownloadsProvider.
1014      */
1015     public static boolean isDownloadsDocument(Uri uri) {
1016         return "com.android.providers.downloads.documents".equals(uri.getAuthority());
1017     }
1018
1019     /**
1020      * @param uri The Uri to check.
1021      * @return Whether the Uri authority is MediaProvider.
1022      */
1023     public static boolean isMediaDocument(Uri uri) {
1024         return "com.android.providers.media.documents".equals(uri.getAuthority());
1025     }
1026
1027     /**
1028      * @param uri The Uri to check.
1029      * @return Whether the Uri authority is Google Photos.
1030      */
1031     public static boolean isGooglePhotosUri(Uri uri) {
1032         return "com.google.android.apps.photos.content".equals(uri.getAuthority());
1033     }
1034
1035     /**
1036      *
1037      * @param uri The Uri to check.
1038      * @return Whether the Uri authority is Google Drive.
1039      */
1040     public static boolean isGoogleDriveDocument(Uri uri) {
1041         return "com.google.android.apps.docs.storage".equals(uri.getAuthority());
1042     }
1043
1044     /**
1045      *
1046      * @param uri The Uri to check.
1047      * @return Whether the Uri is from a content provider as kind "content://..."
1048      */
1049     public static boolean isAContentDocument(Uri uri) {
1050         return uri.toString().startsWith("content://");
1051     }
1052
1053     /**
1054      * Pushes a directory to the drop down list
1055      * @param directory to push
1056      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
1057      */
1058     public void pushDirname(OCFile directory) {
1059         if(!directory.isFolder()){
1060             throw new IllegalArgumentException("Only directories may be pushed!");
1061         }
1062         mDirectories.insert(directory.getFileName(), 0);
1063         setFile(directory);
1064     }
1065
1066     /**
1067      * Pops a directory name from the drop down list
1068      * @return True, unless the stack is empty
1069      */
1070     public boolean popDirname() {
1071         mDirectories.remove(mDirectories.getItem(0));
1072         return !mDirectories.isEmpty();
1073     }
1074
1075     // Custom array adapter to override text colors
1076     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
1077
1078         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
1079             super(ctx, view);
1080         }
1081
1082         public View getView(int position, View convertView, ViewGroup parent) {
1083             View v = super.getView(position, convertView, parent);
1084
1085             ((TextView) v).setTextColor(getResources().getColorStateList(
1086                     android.R.color.white));
1087
1088             fixRoot((TextView) v );
1089             return v;
1090         }
1091
1092         public View getDropDownView(int position, View convertView,
1093                 ViewGroup parent) {
1094             View v = super.getDropDownView(position, convertView, parent);
1095
1096             ((TextView) v).setTextColor(getResources().getColorStateList(
1097                     android.R.color.white));
1098
1099             fixRoot((TextView) v );
1100             return v;
1101         }
1102
1103         private void fixRoot(TextView v) {
1104             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
1105                 v.setText(R.string.default_display_name_for_root_folder);
1106             }
1107         }
1108
1109     }
1110
1111     private class SyncBroadcastReceiver extends BroadcastReceiver {
1112
1113         /**
1114          * {@link BroadcastReceiver} to enable syncing feedback in UI
1115          */
1116         @Override
1117         public void onReceive(Context context, Intent intent) {
1118             try {
1119                 String event = intent.getAction();
1120                 Log_OC.d(TAG, "Received broadcast " + event);
1121                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
1122                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
1123                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
1124                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
1125
1126                 if (sameAccount) {
1127
1128                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
1129                         mSyncInProgress = true;
1130
1131                     } else {
1132                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
1133                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1134
1135                         if (currentDir == null) {
1136                             // current folder was removed from the server
1137                             Toast.makeText( FileDisplayActivity.this,
1138                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
1139                                             Toast.LENGTH_LONG)
1140                                 .show();
1141                             browseToRoot();
1142
1143                         } else {
1144                             if (currentFile == null && !getFile().isFolder()) {
1145                                 // currently selected file was removed in the server, and now we know it
1146                                 cleanSecondFragment();
1147                                 currentFile = currentDir;
1148                             }
1149
1150                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1151                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1152                                 if (fileListFragment != null) {
1153                                     fileListFragment.listDirectory(currentDir);
1154                                 }
1155                             }
1156                             setFile(currentFile);
1157                         }
1158
1159                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1160
1161                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1162                                     equals(event) &&
1163                                 /// TODO refactor and make common
1164                                 synchResult != null && !synchResult.isSuccess() &&
1165                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1166                                     synchResult.isIdPRedirection()                  ||
1167                                     (synchResult.isException() && synchResult.getException()
1168                                             instanceof AuthenticatorException))) {
1169
1170                             OwnCloudClient client = null;
1171                             try {
1172                                 OwnCloudAccount ocAccount =
1173                                         new OwnCloudAccount(getAccount(), context);
1174                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1175                                         removeClientFor(ocAccount));
1176                                 // TODO get rid of these exceptions
1177                             } catch (AccountNotFoundException e) {
1178                                 e.printStackTrace();
1179                             } catch (AuthenticatorException e) {
1180                                 e.printStackTrace();
1181                             } catch (OperationCanceledException e) {
1182                                 e.printStackTrace();
1183                             } catch (IOException e) {
1184                                 e.printStackTrace();
1185                             }
1186
1187                             if (client != null) {
1188                                 OwnCloudCredentials cred = client.getCredentials();
1189                                 if (cred != null) {
1190                                     AccountManager am = AccountManager.get(context);
1191                                     if (cred.authTokenExpires()) {
1192                                         am.invalidateAuthToken(
1193                                                 getAccount().type,
1194                                                 cred.getAuthToken()
1195                                         );
1196                                     } else {
1197                                         am.clearPassword(getAccount());
1198                                     }
1199                                 }
1200                             }
1201
1202                             requestCredentialsUpdate();
1203
1204                         }
1205                     }
1206                     removeStickyBroadcast(intent);
1207                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1208                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1209
1210                     setBackgroundText();
1211
1212                 }
1213
1214                 if (synchResult != null) {
1215                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1216                         mLastSslUntrustedServerResult = synchResult;
1217                     }
1218                 }
1219             } catch (RuntimeException e) {
1220                 // avoid app crashes after changing the serial id of RemoteOperationResult
1221                 // in owncloud library with broadcast notifications pending to process
1222                 removeStickyBroadcast(intent);
1223             }
1224         }
1225     }
1226
1227     /**
1228      * Show a text message on screen view for notifying user if content is
1229      * loading or folder is empty
1230      */
1231     private void setBackgroundText() {
1232         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1233         if (ocFileListFragment != null) {
1234             int message = R.string.file_list_loading;
1235             if (!mSyncInProgress) {
1236                 // In case file list is empty
1237                 message = R.string.file_list_empty;
1238             }
1239             ocFileListFragment.setMessageForEmptyList(getString(message));
1240         } else {
1241             Log_OC.e(TAG, "OCFileListFragment is null");
1242         }
1243     }
1244
1245     /**
1246      * Once the file upload has finished -> update view
1247      */
1248     private class UploadFinishReceiver extends BroadcastReceiver {
1249         /**
1250          * Once the file upload has finished -> update view
1251          *  @author David A. Velasco
1252          * {@link BroadcastReceiver} to enable upload feedback in UI
1253          */
1254         @Override
1255         public void onReceive(Context context, Intent intent) {
1256             try {
1257                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1258                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1259                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1260                 OCFile currentDir = getCurrentDir();
1261                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1262                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1263
1264                 if (sameAccount && isDescendant) {
1265                     refreshListOfFilesFragment();
1266                 }
1267
1268                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1269                 boolean renamedInUpload = getFile().getRemotePath().
1270                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1271                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1272                         renamedInUpload;
1273                 FileFragment details = getSecondFragment();
1274                 boolean detailFragmentIsShown = (details != null &&
1275                         details instanceof FileDetailFragment);
1276
1277                 if (sameAccount && sameFile && detailFragmentIsShown) {
1278                     if (uploadWasFine) {
1279                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1280                     }
1281                     if (renamedInUpload) {
1282                         String newName = (new File(uploadedRemotePath)).getName();
1283                         Toast msg = Toast.makeText(
1284                                 context,
1285                                 String.format(
1286                                         getString(R.string.filedetails_renamed_in_upload_msg),
1287                                         newName),
1288                                 Toast.LENGTH_LONG);
1289                         msg.show();
1290                     }
1291                     if (uploadWasFine || getFile().fileExists()) {
1292                         ((FileDetailFragment)details).updateFileDetails(false, true);
1293                     } else {
1294                         cleanSecondFragment();
1295                     }
1296
1297                     // Force the preview if the file is an image
1298                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1299                         startImagePreview(getFile());
1300                     } // TODO what about other kind of previews?
1301                 }
1302
1303             } finally {
1304                 if (intent != null) {
1305                     removeStickyBroadcast(intent);
1306                 }
1307             }
1308
1309         }
1310
1311     }
1312
1313
1314     /**
1315      * Class waiting for broadcast events from the {@link FielDownloader} service.
1316      *
1317      * Updates the UI when a download is started or finished, provided that it is relevant for the
1318      * current folder.
1319      */
1320     private class DownloadFinishReceiver extends BroadcastReceiver {
1321         @Override
1322         public void onReceive(Context context, Intent intent) {
1323             try {
1324                 boolean sameAccount = isSameAccount(context, intent);
1325                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1326                 boolean isDescendant = isDescendant(downloadedRemotePath);
1327
1328                 if (sameAccount && isDescendant) {
1329                     refreshListOfFilesFragment();
1330                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1331                 }
1332
1333                 if (mWaitingToSend != null) {
1334                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1335                     if (mWaitingToSend.isDown()) {
1336                         sendDownloadedFile();
1337                     }
1338                 }
1339
1340             } finally {
1341                 if (intent != null) {
1342                     removeStickyBroadcast(intent);
1343                 }
1344             }
1345         }
1346
1347         private boolean isDescendant(String downloadedRemotePath) {
1348             OCFile currentDir = getCurrentDir();
1349             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1350         }
1351
1352         private boolean isSameAccount(Context context, Intent intent) {
1353             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1354             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1355         }
1356     }
1357
1358
1359     public void browseToRoot() {
1360         OCFileListFragment listOfFiles = getListOfFilesFragment();
1361         if (listOfFiles != null) {  // should never be null, indeed
1362             while (mDirectories.getCount() > 1) {
1363                 popDirname();
1364             }
1365             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1366             listOfFiles.listDirectory(root);
1367             setFile(listOfFiles.getCurrentFile());
1368             startSyncFolderOperation(root, false);
1369         }
1370         cleanSecondFragment();
1371     }
1372
1373
1374     public void browseTo(OCFile folder) {
1375         if (folder == null || !folder.isFolder()) {
1376             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1377         }
1378         OCFileListFragment listOfFiles = getListOfFilesFragment();
1379         if (listOfFiles != null) {
1380             setNavigationListWithFolder(folder);
1381             listOfFiles.listDirectory(folder);
1382             setFile(listOfFiles.getCurrentFile());
1383             startSyncFolderOperation(folder, false);
1384         } else {
1385             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1386         }
1387         cleanSecondFragment();
1388     }
1389
1390
1391     /**
1392      * {@inheritDoc}
1393      *
1394      * Updates action bar and second fragment, if in dual pane mode.
1395      */
1396     @Override
1397     public void onBrowsedDownTo(OCFile directory) {
1398         pushDirname(directory);
1399         cleanSecondFragment();
1400
1401         // Sync Folder
1402         startSyncFolderOperation(directory, false);
1403
1404     }
1405
1406     /**
1407      * Shows the information of the {@link OCFile} received as a
1408      * parameter in the second fragment.
1409      *
1410      * @param file          {@link OCFile} whose details will be shown
1411      */
1412     @Override
1413     public void showDetails(OCFile file) {
1414         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1415         setSecondFragment(detailFragment);
1416         updateFragmentsVisibility(true);
1417         updateNavigationElementsInActionBar(file);
1418         setFile(file);
1419     }
1420
1421
1422     /**
1423      * TODO
1424      */
1425     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1426         ActionBar actionBar = getSupportActionBar();
1427         if (chosenFile == null || mDualPane) {
1428             // only list of files - set for browsing through folders
1429             OCFile currentDir = getCurrentDir();
1430             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1431             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1432             actionBar.setDisplayShowTitleEnabled(!noRoot);
1433             if (!noRoot) {
1434                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1435             }
1436             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1437             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1438
1439         } else {
1440             actionBar.setDisplayHomeAsUpEnabled(true);
1441             actionBar.setDisplayShowTitleEnabled(true);
1442             actionBar.setTitle(chosenFile.getFileName());
1443             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1444         }
1445     }
1446
1447
1448     @Override
1449     protected ServiceConnection newTransferenceServiceConnection() {
1450         return new ListServiceConnection();
1451     }
1452
1453     /** Defines callbacks for service binding, passed to bindService() */
1454     private class ListServiceConnection implements ServiceConnection {
1455
1456         @Override
1457         public void onServiceConnected(ComponentName component, IBinder service) {
1458             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1459                 Log_OC.d(TAG, "Download service connected");
1460                 mDownloaderBinder = (FileDownloaderBinder) service;
1461                 if (mWaitingToPreview != null)
1462                     if (getStorageManager() != null) {
1463                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1464                         if (!mWaitingToPreview.isDown()) {
1465                             requestForDownload();
1466                         }
1467                 }
1468
1469             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1470                 Log_OC.d(TAG, "Upload service connected");
1471                 mUploaderBinder = (FileUploaderBinder) service;
1472             } else {
1473                 return;
1474             }
1475             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1476             OCFileListFragment listOfFiles = getListOfFilesFragment();
1477             if (listOfFiles != null) {
1478                 listOfFiles.listDirectory();
1479             }
1480             FileFragment secondFragment = getSecondFragment();
1481             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1482                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1483                 detailFragment.listenForTransferProgress();
1484                 detailFragment.updateFileDetails(false, false);
1485             }
1486         }
1487
1488         @Override
1489         public void onServiceDisconnected(ComponentName component) {
1490             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1491                 Log_OC.d(TAG, "Download service disconnected");
1492                 mDownloaderBinder = null;
1493             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1494                 Log_OC.d(TAG, "Upload service disconnected");
1495                 mUploaderBinder = null;
1496             }
1497         }
1498     };
1499
1500
1501
1502     /**
1503      * Launch an intent to request the PIN code to the user before letting him use the app
1504      */
1505     private void requestPinCode() {
1506         boolean pinStart = false;
1507         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1508         pinStart = appPrefs.getBoolean("set_pincode", false);
1509         if (pinStart) {
1510             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1511             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1512             startActivity(i);
1513         }
1514     }
1515
1516
1517     @Override
1518     public void onSavedCertificate() {
1519         startSyncFolderOperation(getCurrentDir(), false);
1520     }
1521
1522
1523     @Override
1524     public void onFailedSavingCertificate() {
1525         showDialog(DIALOG_CERT_NOT_SAVED);
1526     }
1527
1528     @Override
1529     public void onCancelCertificate() {
1530         // nothing to do
1531     }
1532
1533     /**
1534      * Updates the view associated to the activity after the finish of some operation over files
1535      * in the current account.
1536      *
1537      * @param operation     Removal operation performed.
1538      * @param result        Result of the removal.
1539      */
1540     @Override
1541     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1542         super.onRemoteOperationFinish(operation, result);
1543
1544         if (operation instanceof RemoveFileOperation) {
1545             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1546
1547         } else if (operation instanceof RenameFileOperation) {
1548             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1549
1550         } else if (operation instanceof SynchronizeFileOperation) {
1551             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1552
1553         } else if (operation instanceof CreateFolderOperation) {
1554             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1555
1556         } else if (operation instanceof CreateShareOperation) {
1557             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1558
1559         } else if (operation instanceof UnshareLinkOperation) {
1560             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1561
1562         } else if (operation instanceof MoveFileOperation) {
1563             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1564         }
1565
1566     }
1567
1568
1569     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1570         if (result.isSuccess()) {
1571             refreshShowDetails();
1572             refreshListOfFilesFragment();
1573         }
1574     }
1575
1576
1577     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1578         if (result.isSuccess()) {
1579             refreshShowDetails();
1580             refreshListOfFilesFragment();
1581
1582         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1583             cleanSecondFragment();
1584             refreshListOfFilesFragment();
1585         }
1586     }
1587
1588     private void refreshShowDetails() {
1589         FileFragment details = getSecondFragment();
1590         if (details != null) {
1591             OCFile file = details.getFile();
1592             if (file != null) {
1593                 file = getStorageManager().getFileByPath(file.getRemotePath());
1594                 if (details instanceof PreviewMediaFragment) {
1595                     // Refresh  OCFile of the fragment
1596                     ((PreviewMediaFragment) details).updateFile(file);
1597                 } else {
1598                     showDetails(file);
1599                 }
1600             }
1601             invalidateOptionsMenu();
1602         }
1603     }
1604
1605     /**
1606      * Updates the view associated to the activity after the finish of an operation trying to remove a
1607      * file.
1608      *
1609      * @param operation     Removal operation performed.
1610      * @param result        Result of the removal.
1611      */
1612     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1613         dismissLoadingDialog();
1614
1615         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1616                 Toast.LENGTH_LONG);
1617         msg.show();
1618
1619         if (result.isSuccess()) {
1620             OCFile removedFile = operation.getFile();
1621             FileFragment second = getSecondFragment();
1622             if (second != null && removedFile.equals(second.getFile())) {
1623                 if (second instanceof PreviewMediaFragment) {
1624                     ((PreviewMediaFragment)second).stopPreview(true);
1625                 }
1626                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1627                 cleanSecondFragment();
1628             }
1629             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1630                 refreshListOfFilesFragment();
1631             }
1632             invalidateOptionsMenu();
1633         } else {
1634             if (result.isSslRecoverableException()) {
1635                 mLastSslUntrustedServerResult = result;
1636                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1637             }
1638         }
1639     }
1640
1641
1642     /**
1643      * Updates the view associated to the activity after the finish of an operation trying to move a
1644      * file.
1645      *
1646      * @param operation     Move operation performed.
1647      * @param result        Result of the move operation.
1648      */
1649     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1650         if (result.isSuccess()) {
1651             dismissLoadingDialog();
1652             refreshListOfFilesFragment();
1653         } else {
1654             dismissLoadingDialog();
1655             try {
1656                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1657                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1658                         Toast.LENGTH_LONG);
1659                 msg.show();
1660
1661             } catch (NotFoundException e) {
1662                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1663             }
1664         }
1665     }
1666
1667
1668     /**
1669      * Updates the view associated to the activity after the finish of an operation trying to rename a
1670      * file.
1671      *
1672      * @param operation     Renaming operation performed.
1673      * @param result        Result of the renaming.
1674      */
1675     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1676         dismissLoadingDialog();
1677         OCFile renamedFile = operation.getFile();
1678         if (result.isSuccess()) {
1679             FileFragment details = getSecondFragment();
1680             if (details != null) {
1681                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1682                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1683                     showDetails(renamedFile);
1684
1685                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1686                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1687                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1688                         int position = ((PreviewMediaFragment)details).getPosition();
1689                         startMediaPreview(renamedFile, position, true);
1690                     } else {
1691                         getFileOperationsHelper().openFile(renamedFile);
1692                     }
1693                 }
1694             }
1695
1696             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1697                 refreshListOfFilesFragment();
1698             }
1699
1700         } else {
1701             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1702                     Toast.LENGTH_LONG);
1703             msg.show();
1704
1705             if (result.isSslRecoverableException()) {
1706                 mLastSslUntrustedServerResult = result;
1707                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1708             }
1709         }
1710     }
1711
1712     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1713         dismissLoadingDialog();
1714         OCFile syncedFile = operation.getLocalFile();
1715         if (!result.isSuccess()) {
1716             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1717                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1718                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1719                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1720                 startActivity(i);
1721
1722             }
1723
1724         } else {
1725             if (operation.transferWasRequested()) {
1726                 onTransferStateChanged(syncedFile, true, true);
1727
1728             } else {
1729                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1730                         Toast.LENGTH_LONG);
1731                 msg.show();
1732             }
1733         }
1734     }
1735
1736     /**
1737      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1738      *
1739      * @param operation     Creation operation performed.
1740      * @param result        Result of the creation.
1741      */
1742     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1743         if (result.isSuccess()) {
1744             dismissLoadingDialog();
1745             refreshListOfFilesFragment();
1746         } else {
1747             dismissLoadingDialog();
1748             try {
1749                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1750                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1751                         Toast.LENGTH_LONG);
1752                 msg.show();
1753
1754             } catch (NotFoundException e) {
1755                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1756             }
1757         }
1758     }
1759
1760
1761     /**
1762      * {@inheritDoc}
1763      */
1764     @Override
1765     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1766         refreshListOfFilesFragment();
1767         FileFragment details = getSecondFragment();
1768         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1769             if (downloading || uploading) {
1770                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1771             } else {
1772                 if (!file.fileExists()) {
1773                     cleanSecondFragment();
1774                 } else {
1775                     ((FileDetailFragment)details).updateFileDetails(false, true);
1776                 }
1777             }
1778         }
1779
1780     }
1781
1782
1783     private void requestForDownload() {
1784         Account account = getAccount();
1785         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1786             Intent i = new Intent(this, FileDownloader.class);
1787             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1788             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1789             startService(i);
1790         }
1791     }
1792
1793
1794     private OCFile getCurrentDir() {
1795         OCFile file = getFile();
1796         if (file != null) {
1797             if (file.isFolder()) {
1798                 return file;
1799             } else if (getStorageManager() != null) {
1800                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1801                 return getStorageManager().getFileByPath(parentPath);
1802             }
1803         }
1804         return null;
1805     }
1806
1807     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1808         long currentSyncTime = System.currentTimeMillis();
1809
1810         mSyncInProgress = true;
1811
1812         // perform folder synchronization
1813         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1814                                                                         currentSyncTime,
1815                                                                         false,
1816                                                                         getFileOperationsHelper().isSharedSupported(),
1817                                                                         ignoreETag,
1818                                                                         getStorageManager(),
1819                                                                         getAccount(),
1820                                                                         getApplicationContext()
1821                                                                       );
1822         synchFolderOp.execute(getAccount(), this, null, null);
1823
1824         setSupportProgressBarIndeterminateVisibility(true);
1825
1826         setBackgroundText();
1827     }
1828
1829     /**
1830      * Show untrusted cert dialog
1831      */
1832     public void showUntrustedCertDialog(RemoteOperationResult result) {
1833         // Show a dialog with the certificate info
1834         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1835         FragmentManager fm = getSupportFragmentManager();
1836         FragmentTransaction ft = fm.beginTransaction();
1837         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1838     }
1839
1840     private void requestForDownload(OCFile file) {
1841         Account account = getAccount();
1842         if (!mDownloaderBinder.isDownloading(account, file)) {
1843             Intent i = new Intent(this, FileDownloader.class);
1844             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1845             i.putExtra(FileDownloader.EXTRA_FILE, file);
1846             startService(i);
1847         }
1848     }
1849
1850     private void sendDownloadedFile(){
1851         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1852         mWaitingToSend = null;
1853     }
1854
1855
1856     /**
1857      * Requests the download of the received {@link OCFile} , updates the UI
1858      * to monitor the download progress and prepares the activity to send the file
1859      * when the download finishes.
1860      *
1861      * @param file          {@link OCFile} to download and preview.
1862      */
1863     public void startDownloadForSending(OCFile file) {
1864         mWaitingToSend = file;
1865         requestForDownload(mWaitingToSend);
1866         boolean hasSecondFragment = (getSecondFragment()!= null);
1867         updateFragmentsVisibility(hasSecondFragment);
1868     }
1869
1870     /**
1871      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1872      *
1873      * @param file                      Image {@link OCFile} to show.
1874      */
1875     public void startImagePreview(OCFile file) {
1876         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1877         showDetailsIntent.putExtra(EXTRA_FILE, file);
1878         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1879         startActivity(showDetailsIntent);
1880
1881     }
1882
1883     /**
1884      * Stars the preview of an already down media {@link OCFile}.
1885      *
1886      * @param file                      Media {@link OCFile} to preview.
1887      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1888      * @param autoplay                  When 'true', the playback will start without user interactions.
1889      */
1890     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1891         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1892         setSecondFragment(mediaFragment);
1893         updateFragmentsVisibility(true);
1894         updateNavigationElementsInActionBar(file);
1895         setFile(file);
1896     }
1897
1898     /**
1899      * Requests the download of the received {@link OCFile} , updates the UI
1900      * to monitor the download progress and prepares the activity to preview
1901      * or open the file when the download finishes.
1902      *
1903      * @param file          {@link OCFile} to download and preview.
1904      */
1905     public void startDownloadForPreview(OCFile file) {
1906         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1907         setSecondFragment(detailFragment);
1908         mWaitingToPreview = file;
1909         requestForDownload();
1910         updateFragmentsVisibility(true);
1911         updateNavigationElementsInActionBar(file);
1912         setFile(file);
1913     }
1914
1915
1916     public void cancelTransference(OCFile file) {
1917         getFileOperationsHelper().cancelTransference(file);
1918         if (mWaitingToPreview != null &&
1919                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1920             mWaitingToPreview = null;
1921         }
1922         if (mWaitingToSend != null &&
1923                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1924             mWaitingToSend = null;
1925         }
1926         onTransferStateChanged(file, false, false);
1927     }
1928
1929     @Override
1930     public void onRefresh(boolean ignoreETag) {
1931         refreshList(ignoreETag);
1932     }
1933
1934     @Override
1935     public void onRefresh() {
1936         refreshList(true);
1937     }
1938
1939     private void refreshList(boolean ignoreETag) {
1940         OCFileListFragment listOfFiles = getListOfFilesFragment();
1941         if (listOfFiles != null) {
1942             OCFile folder = listOfFiles.getCurrentFile();
1943             if (folder != null) {
1944                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1945                 listDirectory(mFile);*/
1946                 startSyncFolderOperation(folder, ignoreETag);
1947             }
1948         }
1949     }
1950
1951     private void sortByDate(boolean ascending){
1952         getListOfFilesFragment().sortByDate(ascending);
1953     }
1954
1955     private void sortBySize(boolean ascending){
1956         getListOfFilesFragment().sortBySize(ascending);
1957     }
1958
1959     private void sortByName(boolean ascending){
1960         getListOfFilesFragment().sortByName(ascending);
1961     }
1962 }