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