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