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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2011  Bartek Przybylski
   7  *   Copyright (C) 2015 ownCloud Inc.
   8  *
   9  *   This program is free software: you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License version 2,
  11  *   as published by the Free Software Foundation.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  */
  22
  23 package com.owncloud.android.ui.activity;
  24
  25 import java.io.File;
  26
  27 import android.accounts.Account;
  28 import android.accounts.AccountManager;
  29 import android.accounts.AuthenticatorException;
  30 import android.annotation.TargetApi;
  31 import android.app.AlertDialog;
  32 import android.app.Dialog;
  33 import android.app.ProgressDialog;
  34 import android.content.BroadcastReceiver;
  35 import android.content.ComponentName;
  36 import android.content.ContentResolver;
  37 import android.content.ContentUris;
  38 import android.content.Context;
  39 import android.content.DialogInterface;
  40 import android.content.Intent;
  41 import android.content.IntentFilter;
  42 import android.content.ServiceConnection;
  43 import android.content.SharedPreferences;
  44 import android.content.SyncRequest;
  45 import android.content.res.Resources.NotFoundException;
  46 import android.database.Cursor;
  47 import android.net.Uri;
  48 import android.os.Build;
  49 import android.os.Bundle;
  50 import android.os.Environment;
  51 import android.os.IBinder;
  52 import android.preference.PreferenceManager;
  53 import android.provider.DocumentsContract;
  54 import android.provider.MediaStore;
  55 import android.provider.OpenableColumns;
  56 import android.support.v4.app.Fragment;
  57 import android.support.v4.app.FragmentManager;
  58 import android.support.v4.app.FragmentTransaction;
  59 import android.util.Log;
  60 import android.view.View;
  61 import android.view.ViewGroup;
  62 import android.widget.ArrayAdapter;
  63 import android.widget.TextView;
  64 import android.widget.Toast;
  65
  66 import com.actionbarsherlock.app.ActionBar;
  67 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  68 import com.actionbarsherlock.view.Menu;
  69 import com.actionbarsherlock.view.MenuInflater;
  70 import com.actionbarsherlock.view.MenuItem;
  71 import com.actionbarsherlock.view.Window;
  72 import com.owncloud.android.BuildConfig;
  73 import com.owncloud.android.MainApp;
  74 import com.owncloud.android.R;
  75 import com.owncloud.android.datamodel.OCFile;
  76 import com.owncloud.android.files.services.FileDownloader;
  77 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  78 import com.owncloud.android.files.services.FileUploader;
  79 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  80 import com.owncloud.android.lib.common.OwnCloudAccount;
  81 import com.owncloud.android.lib.common.OwnCloudClient;
  82 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  83 import com.owncloud.android.lib.common.OwnCloudCredentials;
  84 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  85 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  86 import com.owncloud.android.lib.common.operations.RemoteOperation;
  87 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  88 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  89 import com.owncloud.android.lib.common.utils.Log_OC;
  90 import com.owncloud.android.operations.CreateFolderOperation;
  91 import com.owncloud.android.operations.CreateShareOperation;
  92 import com.owncloud.android.operations.MoveFileOperation;
  93 import com.owncloud.android.operations.RemoveFileOperation;
  94 import com.owncloud.android.operations.RenameFileOperation;
  95 import com.owncloud.android.operations.SynchronizeFileOperation;
  96 import com.owncloud.android.operations.RefreshFolderOperation;
  97 import com.owncloud.android.operations.UnshareLinkOperation;
  98 import com.owncloud.android.services.observer.FileObserverService;
  99 import com.owncloud.android.syncadapter.FileSyncAdapter;
 100 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
 101 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
 102 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
 103 import com.owncloud.android.ui.fragment.FileDetailFragment;
 104 import com.owncloud.android.ui.fragment.FileFragment;
 105 import com.owncloud.android.ui.fragment.OCFileListFragment;
 106 import com.owncloud.android.ui.preview.PreviewImageActivity;
 107 import com.owncloud.android.ui.preview.PreviewImageFragment;
 108 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 109 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 110 import com.owncloud.android.utils.DisplayUtils;
 111 import com.owncloud.android.utils.ErrorMessageAdapter;
 112 import com.owncloud.android.utils.FileStorageUtils;
 113 import com.owncloud.android.utils.UriUtils;
 114
 115
 116 /**
 117  * Displays, what files the user has available in his ownCloud.
 118  */
 119
 120 public class FileDisplayActivity extends HookActivity implements
 121 FileFragment.ContainerActivity, OnNavigationListener,
 122 OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 123
 124     private ArrayAdapter<String> mDirectories;
 125
 126     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 127     private UploadFinishReceiver mUploadFinishReceiver;
 128     private DownloadFinishReceiver mDownloadFinishReceiver;
 129     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 130
 131     private boolean mDualPane;
 132     private View mLeftFragmentContainer;
 133     private View mRightFragmentContainer;
 134
 135     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 136     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 137     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 138
 139     public static final int DIALOG_SHORT_WAIT = 0;
 140     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 141     private static final int DIALOG_CERT_NOT_SAVED = 2;
 142
 143     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 144
 145     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 146     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 147     public static final int ACTION_MOVE_FILES = 3;
 148
 149     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 150
 151     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 152     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 153
 154     private OCFile mWaitingToPreview;
 155
 156     private boolean mSyncInProgress = false;
 157
 158     private String DIALOG_UNTRUSTED_CERT;
 159
 160     private OCFile mWaitingToSend;
 161
 162     @Override
 163     protected void onCreate(Bundle savedInstanceState) {
 164         Log_OC.d(TAG, "onCreate() start");
 165         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 166
 167         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 168
 169         // PIN CODE request ;  best location is to decide, let's try this first
 170         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 171             requestPinCode();
 172         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 173             requestPinCode();
 174         }
 175
 176         /// grant that FileObserverService is watching favourite files
 177         if (savedInstanceState == null) {
 178             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 179             startService(initObserversIntent);
 180         }
 181
 182         /// Load of saved instance state
 183         if(savedInstanceState != null) {
 184             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 185             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 186             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 187
 188         } else {
 189             mWaitingToPreview = null;
 190             mSyncInProgress = false;
 191             mWaitingToSend = null;
 192         }
 193
 194         /// USER INTERFACE
 195
 196         // Inflate and set the layout view
 197         setContentView(R.layout.files);
 198         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 199         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 200         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 201         if (savedInstanceState == null) {
 202             createMinFragments();
 203         }
 204
 205         // Action bar setup
 206         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 207         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 208         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 209
 210         setBackgroundText();
 211
 212         Log_OC.d(TAG, "onCreate() end");
 213     }
 214
 215     @Override
 216     protected void onStart() {
 217         super.onStart();
 218         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 219     }
 220
 221     @Override
 222     protected void onDestroy() {
 223         super.onDestroy();
 224     }
 225
 226     /**
 227      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 228      */
 229     @Override
 230     protected void onAccountSet(boolean stateWasRecovered) {
 231         super.onAccountSet(stateWasRecovered);
 232         if (getAccount() != null) {
 233             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 234             OCFile file = getFile();
 235             // get parent from path
 236             String parentPath = "";
 237             if (file != null) {
 238                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 239                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 240                     // get parent from path
 241                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 242                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 243                         file = null; // not able to know the directory where the file is uploading
 244                 } else {
 245                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 246                 }
 247             }
 248             if (file == null) {
 249                 // fall back to root folder
 250                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 251             }
 252             setFile(file);
 253             setNavigationListWithFolder(file);
 254
 255             if (!stateWasRecovered) {
 256                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 257                 initFragmentsWithFile();
 258                 if (file.isFolder()) {
 259                     startSyncFolderOperation(file, false);
 260                 }
 261
 262             } else {
 263                 updateFragmentsVisibility(!file.isFolder());
 264                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 265             }
 266         }
 267     }
 268
 269
 270     private void setNavigationListWithFolder(OCFile file) {
 271         mDirectories.clear();
 272         OCFile fileIt = file;
 273         String parentPath;
 274         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 275             if (fileIt.isFolder()) {
 276                 mDirectories.add(fileIt.getFileName());
 277             }
 278             // get parent from path
 279             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 280             fileIt = getStorageManager().getFileByPath(parentPath);
 281         }
 282         mDirectories.add(OCFile.PATH_SEPARATOR);
 283     }
 284
 285
 286     private void createMinFragments() {
 287         OCFileListFragment listOfFiles = new OCFileListFragment();
 288         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 289         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 290         transaction.commit();
 291     }
 292
 293     private void initFragmentsWithFile() {
 294         if (getAccount() != null && getFile() != null) {
 295             /// First fragment
 296             OCFileListFragment listOfFiles = getListOfFilesFragment();
 297             if (listOfFiles != null) {
 298                 listOfFiles.listDirectory(getCurrentDir());
 299             } else {
 300                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 301             }
 302
 303             /// Second fragment
 304             OCFile file = getFile();
 305             Fragment secondFragment = chooseInitialSecondFragment(file);
 306             if (secondFragment != null) {
 307                 setSecondFragment(secondFragment);
 308                 updateFragmentsVisibility(true);
 309                 updateNavigationElementsInActionBar(file);
 310
 311             } else {
 312                 cleanSecondFragment();
 313             }
 314
 315         } else {
 316             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 317             if (getAccount() == null) {
 318                 Log_OC.wtf(TAG, "\t account is NULL");
 319             }
 320             if (getFile() == null) {
 321                 Log_OC.wtf(TAG, "\t file is NULL");
 322             }
 323         }
 324     }
 325
 326     private Fragment chooseInitialSecondFragment(OCFile file) {
 327         Fragment secondFragment = null;
 328         if (file != null && !file.isFolder()) {
 329             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 330                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 331                     ) {
 332                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 333                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 334                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 335
 336             } else {
 337                 secondFragment = new FileDetailFragment(file, getAccount());
 338             }
 339         }
 340         return secondFragment;
 341     }
 342
 343
 344     /**
 345      * Replaces the second fragment managed by the activity with the received as
 346      * a parameter.
 347      *
 348      * Assumes never will be more than two fragments managed at the same time.
 349      *
 350      * @param fragment      New second Fragment to set.
 351      */
 352     private void setSecondFragment(Fragment fragment) {
 353         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 354         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 355         transaction.commit();
 356     }
 357
 358
 359     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 360         if (mDualPane) {
 361             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 362                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 363             }
 364             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 365                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 366             }
 367
 368         } else if (existsSecondFragment) {
 369             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 370                 mLeftFragmentContainer.setVisibility(View.GONE);
 371             }
 372             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 373                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 374             }
 375
 376         } else {
 377             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 378                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 379             }
 380             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 381                 mRightFragmentContainer.setVisibility(View.GONE);
 382             }
 383         }
 384     }
 385
 386
 387     private OCFileListFragment getListOfFilesFragment() {
 388         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 389         if (listOfFiles != null) {
 390             return (OCFileListFragment)listOfFiles;
 391         }
 392         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 393         return null;
 394     }
 395
 396     public FileFragment getSecondFragment() {
 397         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 398         if (second != null) {
 399             return (FileFragment)second;
 400         }
 401         return null;
 402     }
 403
 404     protected void cleanSecondFragment() {
 405         Fragment second = getSecondFragment();
 406         if (second != null) {
 407             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 408             tr.remove(second);
 409             tr.commit();
 410         }
 411         updateFragmentsVisibility(false);
 412         updateNavigationElementsInActionBar(null);
 413     }
 414
 415     protected void refreshListOfFilesFragment() {
 416         OCFileListFragment fileListFragment = getListOfFilesFragment();
 417         if (fileListFragment != null) {
 418             fileListFragment.listDirectory();
 419         }
 420     }
 421
 422     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 423         FileFragment secondFragment = getSecondFragment();
 424         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 425         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 426             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 427             OCFile fileInFragment = detailsFragment.getFile();
 428             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 429                 // the user browsed to other file ; forget the automatic preview
 430                 mWaitingToPreview = null;
 431
 432             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 433                 // grant that the right panel updates the progress bar
 434                 detailsFragment.listenForTransferProgress();
 435                 detailsFragment.updateFileDetails(true, false);
 436
 437             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 438                 //  update the right panel
 439                 boolean detailsFragmentChanged = false;
 440                 if (waitedPreview) {
 441                     if (success) {
 442                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 443                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 444                             startMediaPreview(mWaitingToPreview, 0, true);
 445                             detailsFragmentChanged = true;
 446                         } else {
 447                             getFileOperationsHelper().openFile(mWaitingToPreview);
 448                         }
 449                     }
 450                     mWaitingToPreview = null;
 451                 }
 452                 if (!detailsFragmentChanged) {
 453                     detailsFragment.updateFileDetails(false, (success));
 454                 }
 455             }
 456         }
 457     }
 458
 459     @Override
 460     public boolean onPrepareOptionsMenu(Menu menu) {
 461         if (BuildConfig.DEBUG) {
 462             menu.findItem(R.id.action_logger).setVisible(true);
 463         } else {
 464             menu.findItem(R.id.action_logger).setVisible(false);
 465         }
 466         return super.onPrepareOptionsMenu(menu);
 467     }
 468
 469     @Override
 470     public boolean onCreateOptionsMenu(Menu menu) {
 471         MenuInflater inflater = getSherlock().getMenuInflater();
 472         inflater.inflate(R.menu.main_menu, menu);
 473         return true;
 474     }
 475
 476     @Override
 477     public boolean onOptionsItemSelected(MenuItem item) {
 478         boolean retval = true;
 479         switch (item.getItemId()) {
 480         case R.id.action_create_dir: {
 481             CreateFolderDialogFragment dialog =
 482                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 483             dialog.show(getSupportFragmentManager(), "createdirdialog");
 484             break;
 485         }
 486         case R.id.action_sync_account: {
 487             startSynchronization();
 488             break;
 489         }
 490         case R.id.action_upload: {
 491             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 492             break;
 493         }
 494         case R.id.action_settings: {
 495             Intent settingsIntent = new Intent(this, Preferences.class);
 496             startActivity(settingsIntent);
 497             break;
 498         }
 499         case R.id.action_logger: {
 500             Intent loggerIntent = new Intent(getApplicationContext(),LogHistoryActivity.class);
 501             startActivity(loggerIntent);
 502             break;
 503         }
 504         case android.R.id.home: {
 505             FileFragment second = getSecondFragment();
 506             OCFile currentDir = getCurrentDir();
 507             if((currentDir != null && currentDir.getParentId() != 0) ||
 508                     (second != null && second.getFile() != null)) {
 509                 onBackPressed();
 510
 511             }
 512             break;
 513         }
 514         case R.id.action_sort: {
 515             SharedPreferences appPreferences = PreferenceManager
 516                     .getDefaultSharedPreferences(this);
 517
 518             // Read sorting order, default to sort by name ascending
 519             Integer sortOrder = appPreferences
 520                     .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 521
 522             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 523             builder.setTitle(R.string.actionbar_sort_title)
 524             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 525                 public void onClick(DialogInterface dialog, int which) {
 526
 527                     switch (which){
 528                     case 0:
 529                         sortByName(true);
 530                         break;
 531                     case 1:
 532                         sortByDate(false);
 533                         break;
 534
 535 // TODO re-enable when server-side folder size calculation is available
 536 //                    case 2:
 537 //                        sortBySize(false);
 538 //                        break;
 539                     }
 540
 541                     dialog.dismiss();
 542
 543                 }
 544             });
 545             builder.create().show();
 546             break;
 547         }
 548         default:
 549             retval = super.onOptionsItemSelected(item);
 550         }
 551         return retval;
 552     }
 553
 554     private void startSynchronization() {
 555         Log_OC.d(TAG, "Got to start sync");
 556         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 557             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 558             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 559             Bundle bundle = new Bundle();
 560             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 561             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 562             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 563             ContentResolver.requestSync(
 564                     getAccount(),
 565                     MainApp.getAuthority(), bundle);
 566         } else {
 567             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 568             SyncRequest.Builder builder = new SyncRequest.Builder();
 569             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 570             builder.setExpedited(true);
 571             builder.setManual(true);
 572             builder.syncOnce();
 573
 574             // Fix bug in Android Lollipop when you click on refresh the whole account
 575             Bundle extras = new Bundle();
 576             builder.setExtras(extras);
 577
 578             SyncRequest request = builder.build();
 579             ContentResolver.requestSync(request);
 580         }
 581     }
 582
 583
 584     @Override
 585     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 586         if (itemPosition != 0) {
 587             String targetPath = "";
 588             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 589                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 590             }
 591             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 592             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 593             if (targetFolder != null) {
 594                 browseTo(targetFolder);
 595             }
 596
 597             // the next operation triggers a new call to this method, but it's necessary to
 598             // ensure that the name exposed in the action bar is the current directory when the
 599             // user selected it in the navigation list
 600             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 601                 getSupportActionBar().setSelectedNavigationItem(0);
 602         }
 603         return true;
 604     }
 605
 606     /**
 607      * Called, when the user selected something for uploading
 608      *
 609      */
 610     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 611     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 612         super.onActivityResult(requestCode, resultCode, data);
 613
 614         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 615             //getClipData is only supported on api level 16+, Jelly Bean
 616             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 617                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 618                     Intent intent = new Intent();
 619                     intent.setData(data.getClipData().getItemAt(i).getUri());
 620                     requestSimpleUpload(intent, resultCode);
 621                 }
 622             }else {
 623                 requestSimpleUpload(data, resultCode);
 624             }
 625         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 626             requestMultipleUpload(data, resultCode);
 627
 628         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 629
 630             final Intent fData = data;
 631             final int fResultCode = resultCode;
 632             getHandler().postDelayed(
 633                 new Runnable() {
 634                     @Override
 635                     public void run() {
 636                         requestMoveOperation(fData, fResultCode);
 637                     }
 638                 },
 639                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 640             );
 641         }
 642     }
 643
 644     private void requestMultipleUpload(Intent data, int resultCode) {
 645         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 646         if (filePaths != null) {
 647             String[] remotePaths = new String[filePaths.length];
 648             String remotePathBase = "";
 649
 650             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 651                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 652             }
 653             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 654                 remotePathBase += OCFile.PATH_SEPARATOR;
 655             for (int j = 0; j< remotePaths.length; j++) {
 656                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 657             }
 658
 659             Intent i = new Intent(this, FileUploader.class);
 660             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 661             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 662             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 663             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 664             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 665                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 666             startService(i);
 667
 668         } else {
 669             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 670             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 671             t.show();
 672             return;
 673         }
 674     }
 675
 676
 677     private void requestSimpleUpload(Intent data, int resultCode) {
 678         String filepath = null;
 679         String mimeType = null;
 680
 681         Uri selectedImageUri = data.getData();
 682
 683         try {
 684             mimeType = getContentResolver().getType(selectedImageUri);
 685
 686             String filemanagerstring = selectedImageUri.getPath();
 687             String selectedImagePath = getPath(selectedImageUri);
 688
 689             if (selectedImagePath != null)
 690                 filepath = selectedImagePath;
 691             else
 692                 filepath = filemanagerstring;
 693
 694         } catch (Exception e) {
 695             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 696             e.printStackTrace();
 697
 698         } finally {
 699             if (filepath == null) {
 700                 Log_OC.e(TAG, "Couldn't resolve path to file");
 701                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 702                 t.show();
 703                 return;
 704             }
 705         }
 706
 707         Intent i = new Intent(this, FileUploader.class);
 708         i.putExtra(FileUploader.KEY_ACCOUNT,
 709                 getAccount());
 710         String remotepath = new String();
 711         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 712             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 713         }
 714         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 715             remotepath += OCFile.PATH_SEPARATOR;
 716
 717         if (filepath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 718
 719             Cursor cursor = MainApp.getAppContext().getContentResolver()
 720                     .query(Uri.parse(filepath), null, null, null, null, null);
 721
 722             try {
 723                 if (cursor != null && cursor.moveToFirst()) {
 724                     String displayName = cursor.getString(
 725                             cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
 726                     Log.i(TAG, "Display Name: " + displayName + "; mimeType: " + mimeType);
 727
 728                     displayName.replace(File.separatorChar, '_');
 729                     displayName.replace(File.pathSeparatorChar, '_');
 730                     remotepath += displayName + DisplayUtils.getComposedFileExtension(filepath);
 731
 732                 }
 733             } finally {
 734                 cursor.close();
 735             }
 736
 737         } else {
 738             remotepath += new File(filepath).getName();
 739         }
 740
 741         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 742         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 743         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 744         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 745         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 746             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 747         startService(i);
 748     }
 749
 750     /**
 751      * Request the operation for moving the file/folder from one path to another
 752      *
 753      * @param data              Intent received
 754      * @param resultCode        Result code received
 755      */
 756     private void requestMoveOperation(Intent data, int resultCode) {
 757         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 758         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 759         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 760     }
 761
 762     @Override
 763     public void onBackPressed() {
 764         OCFileListFragment listOfFiles = getListOfFilesFragment();
 765         if (mDualPane || getSecondFragment() == null) {
 766             if (listOfFiles != null) {  // should never be null, indeed
 767                 if (mDirectories.getCount() <= 1) {
 768                     finish();
 769                     return;
 770                 }
 771                 int levelsUp = listOfFiles.onBrowseUp();
 772                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 773                     popDirname();
 774                 }
 775             }
 776         }
 777         if (listOfFiles != null) {  // should never be null, indeed
 778             setFile(listOfFiles.getCurrentFile());
 779         }
 780         cleanSecondFragment();
 781
 782     }
 783
 784     @Override
 785     protected void onSaveInstanceState(Bundle outState) {
 786         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 787         Log_OC.d(TAG, "onSaveInstanceState() start");
 788         super.onSaveInstanceState(outState);
 789         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 790         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 791         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 792         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 793
 794         Log_OC.d(TAG, "onSaveInstanceState() end");
 795     }
 796
 797
 798
 799     @Override
 800     protected void onResume() {
 801         super.onResume();
 802         Log_OC.d(TAG, "onResume() start");
 803
 804         // refresh list of files
 805         refreshListOfFilesFragment();
 806
 807         // Listen for sync messages
 808         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 809         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 810         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 811         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 812         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 813         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 814         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 815         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 816
 817         // Listen for upload messages
 818         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 819         mUploadFinishReceiver = new UploadFinishReceiver();
 820         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 821
 822         // Listen for download messages
 823         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 824         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 825         mDownloadFinishReceiver = new DownloadFinishReceiver();
 826         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 827
 828         Log_OC.d(TAG, "onResume() end");
 829     }
 830
 831
 832     @Override
 833     protected void onPause() {
 834         Log_OC.d(TAG, "onPause() start");
 835         if (mSyncBroadcastReceiver != null) {
 836             unregisterReceiver(mSyncBroadcastReceiver);
 837             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 838             mSyncBroadcastReceiver = null;
 839         }
 840         if (mUploadFinishReceiver != null) {
 841             unregisterReceiver(mUploadFinishReceiver);
 842             mUploadFinishReceiver = null;
 843         }
 844         if (mDownloadFinishReceiver != null) {
 845             unregisterReceiver(mDownloadFinishReceiver);
 846             mDownloadFinishReceiver = null;
 847         }
 848
 849
 850         Log_OC.d(TAG, "onPause() end");
 851         super.onPause();
 852     }
 853
 854
 855     @Override
 856     protected Dialog onCreateDialog(int id) {
 857         Dialog dialog = null;
 858         AlertDialog.Builder builder;
 859         switch (id) {
 860         case DIALOG_SHORT_WAIT: {
 861             ProgressDialog working_dialog = new ProgressDialog(this);
 862             working_dialog.setMessage(getResources().getString(
 863                     R.string.wait_a_moment));
 864             working_dialog.setIndeterminate(true);
 865             working_dialog.setCancelable(false);
 866             dialog = working_dialog;
 867             break;
 868         }
 869         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 870
 871
 872             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 873                     getString(R.string.actionbar_upload_from_apps) };
 874
 875             builder = new AlertDialog.Builder(this);
 876             builder.setTitle(R.string.actionbar_upload);
 877             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 878                 public void onClick(DialogInterface dialog, int item) {
 879                     if (item == 0) {
 880                         // if (!mDualPane) {
 881                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 882                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 883                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 884                             // } else {
 885                             // TODO create and handle new fragment
 886                             // LocalFileListFragment
 887                             // }
 888                     } else if (item == 1) {
 889                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 890                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 891                         //Intent.EXTRA_ALLOW_MULTIPLE is only supported on api level 18+, Jelly Bean
 892                         if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 893                             action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 894                         }
 895                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 896                                 ACTION_SELECT_CONTENT_FROM_APPS);
 897                     }
 898                 }
 899             });
 900             dialog = builder.create();
 901             break;
 902         }
 903         case DIALOG_CERT_NOT_SAVED: {
 904             builder = new AlertDialog.Builder(this);
 905             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 906             builder.setCancelable(false);
 907             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 908                 @Override
 909                 public void onClick(DialogInterface dialog, int which) {
 910                     dialog.dismiss();
 911                 };
 912             });
 913             dialog = builder.create();
 914             break;
 915         }
 916         default:
 917             dialog = null;
 918         }
 919
 920         return dialog;
 921     }
 922
 923     /**
 924      * Translates a content URI of an content to a physical path on the disk
 925      *
 926      * @param uri The URI to resolve
 927      * @return The path to the content or null if it could not be found
 928      */
 929     public String getPath(Uri uri) {
 930         final boolean isKitKatOrLater = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
 931
 932         // DocumentProvider
 933         if (isKitKatOrLater && DocumentsContract.isDocumentUri(getApplicationContext(), uri)) {
 934             // ExternalStorageProvider
 935             if (UriUtils.isExternalStorageDocument(uri)) {
 936                 final String docId = DocumentsContract.getDocumentId(uri);
 937                 final String[] split = docId.split(":");
 938                 final String type = split[0];
 939
 940                 if ("primary".equalsIgnoreCase(type)) {
 941                     return Environment.getExternalStorageDirectory() + "/" + split[1];
 942                 }
 943             }
 944             // DownloadsProvider
 945             else if (UriUtils.isDownloadsDocument(uri)) {
 946
 947                 final String id = DocumentsContract.getDocumentId(uri);
 948                 final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
 949                         Long.valueOf(id));
 950
 951                 return UriUtils.getDataColumn(getApplicationContext(), contentUri, null, null);
 952             }
 953             // MediaProvider
 954             else if (UriUtils.isMediaDocument(uri)) {
 955                 final String docId = DocumentsContract.getDocumentId(uri);
 956                 final String[] split = docId.split(":");
 957                 final String type = split[0];
 958
 959                 Uri contentUri = null;
 960                 if ("image".equals(type)) {
 961                     contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
 962                 } else if ("video".equals(type)) {
 963                     contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
 964                 } else if ("audio".equals(type)) {
 965                     contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
 966                 }
 967
 968                 final String selection = "_id=?";
 969                 final String[] selectionArgs = new String[] { split[1] };
 970
 971                 return UriUtils.getDataColumn(getApplicationContext(), contentUri, selection, selectionArgs);
 972             }
 973             // Documents providers returned as content://...
 974             else if (UriUtils.isContentDocument(uri)) {
 975                 return uri.toString();
 976             }
 977         }
 978         // MediaStore (and general)
 979         else if ("content".equalsIgnoreCase(uri.getScheme())) {
 980
 981             // Return the remote address
 982             if (UriUtils.isGooglePhotosUri(uri))
 983                 return uri.getLastPathSegment();
 984
 985             return UriUtils.getDataColumn(getApplicationContext(), uri, null, null);
 986         }
 987         // File
 988         else if ("file".equalsIgnoreCase(uri.getScheme())) {
 989             return uri.getPath();
 990         }
 991         return null;
 992     }
 993
 994     /**
 995      * Pushes a directory to the drop down list
 996      * @param directory to push
 997      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 998      */
 999     public void pushDirname(OCFile directory) {
1000         if(!directory.isFolder()){
1001             throw new IllegalArgumentException("Only directories may be pushed!");
1002         }
1003         mDirectories.insert(directory.getFileName(), 0);
1004         setFile(directory);
1005     }
1006
1007     /**
1008      * Pops a directory name from the drop down list
1009      * @return True, unless the stack is empty
1010      */
1011     public boolean popDirname() {
1012         mDirectories.remove(mDirectories.getItem(0));
1013         return !mDirectories.isEmpty();
1014     }
1015
1016     // Custom array adapter to override text colors
1017     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
1018
1019         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
1020             super(ctx, view);
1021         }
1022
1023         public View getView(int position, View convertView, ViewGroup parent) {
1024             View v = super.getView(position, convertView, parent);
1025
1026             ((TextView) v).setTextColor(getResources().getColorStateList(
1027                     android.R.color.white));
1028
1029             fixRoot((TextView) v );
1030             return v;
1031         }
1032
1033         public View getDropDownView(int position, View convertView,
1034                 ViewGroup parent) {
1035             View v = super.getDropDownView(position, convertView, parent);
1036
1037             ((TextView) v).setTextColor(getResources().getColorStateList(
1038                     android.R.color.white));
1039
1040             fixRoot((TextView) v );
1041             return v;
1042         }
1043
1044         private void fixRoot(TextView v) {
1045             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
1046                 v.setText(R.string.default_display_name_for_root_folder);
1047             }
1048         }
1049
1050     }
1051
1052     private class SyncBroadcastReceiver extends BroadcastReceiver {
1053
1054         /**
1055          * {@link BroadcastReceiver} to enable syncing feedback in UI
1056          */
1057         @Override
1058         public void onReceive(Context context, Intent intent) {
1059             try {
1060                 String event = intent.getAction();
1061                 Log_OC.d(TAG, "Received broadcast " + event);
1062                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
1063                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
1064                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
1065                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
1066
1067                 if (sameAccount) {
1068
1069                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
1070                         mSyncInProgress = true;
1071
1072                     } else {
1073                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
1074                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1075
1076                         if (currentDir == null) {
1077                             // current folder was removed from the server
1078                             Toast.makeText( FileDisplayActivity.this,
1079                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
1080                                             Toast.LENGTH_LONG)
1081                                 .show();
1082                             browseToRoot();
1083
1084                         } else {
1085                             if (currentFile == null && !getFile().isFolder()) {
1086                                 // currently selected file was removed in the server, and now we know it
1087                                 cleanSecondFragment();
1088                                 currentFile = currentDir;
1089                             }
1090
1091                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1092                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1093                                 if (fileListFragment != null) {
1094                                     fileListFragment.listDirectory(currentDir);
1095                                 }
1096                             }
1097                             setFile(currentFile);
1098                         }
1099
1100                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1101
1102                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1103                                     equals(event) &&
1104                                 /// TODO refactor and make common
1105                                 synchResult != null && !synchResult.isSuccess() &&
1106                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1107                                     synchResult.isIdPRedirection()                  ||
1108                                     (synchResult.isException() && synchResult.getException()
1109                                             instanceof AuthenticatorException))) {
1110
1111
1112                             try {
1113                                 OwnCloudClient client;
1114                                 OwnCloudAccount ocAccount =
1115                                         new OwnCloudAccount(getAccount(), context);
1116                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1117                                         removeClientFor(ocAccount));
1118
1119                                 if (client != null) {
1120                                     OwnCloudCredentials cred = client.getCredentials();
1121                                     if (cred != null) {
1122                                         AccountManager am = AccountManager.get(context);
1123                                         if (cred.authTokenExpires()) {
1124                                             am.invalidateAuthToken(
1125                                                     getAccount().type,
1126                                                     cred.getAuthToken()
1127                                             );
1128                                         } else {
1129                                             am.clearPassword(getAccount());
1130                                         }
1131                                     }
1132                                 }
1133                                 requestCredentialsUpdate();
1134
1135                             } catch (AccountNotFoundException e) {
1136                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1137                             }
1138
1139                         }
1140                     }
1141                     removeStickyBroadcast(intent);
1142                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1143                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1144
1145                     setBackgroundText();
1146
1147                 }
1148
1149                 if (synchResult != null) {
1150                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1151                         mLastSslUntrustedServerResult = synchResult;
1152                     }
1153                 }
1154             } catch (RuntimeException e) {
1155                 // avoid app crashes after changing the serial id of RemoteOperationResult
1156                 // in owncloud library with broadcast notifications pending to process
1157                 removeStickyBroadcast(intent);
1158             }
1159         }
1160     }
1161
1162     /**
1163      * Show a text message on screen view for notifying user if content is
1164      * loading or folder is empty
1165      */
1166     private void setBackgroundText() {
1167         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1168         if (ocFileListFragment != null) {
1169             int message = R.string.file_list_loading;
1170             if (!mSyncInProgress) {
1171                 // In case file list is empty
1172                 message = R.string.file_list_empty;
1173             }
1174             ocFileListFragment.setMessageForEmptyList(getString(message));
1175         } else {
1176             Log_OC.e(TAG, "OCFileListFragment is null");
1177         }
1178     }
1179
1180     /**
1181      * Once the file upload has finished -> update view
1182      */
1183     private class UploadFinishReceiver extends BroadcastReceiver {
1184         /**
1185          * Once the file upload has finished -> update view
1186          *  @author David A. Velasco
1187          * {@link BroadcastReceiver} to enable upload feedback in UI
1188          */
1189         @Override
1190         public void onReceive(Context context, Intent intent) {
1191             try {
1192                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1193                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1194                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1195                 OCFile currentDir = getCurrentDir();
1196                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1197                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1198
1199                 if (sameAccount && isDescendant) {
1200                     refreshListOfFilesFragment();
1201                 }
1202
1203                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1204                 boolean renamedInUpload = getFile().getRemotePath().
1205                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1206                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1207                         renamedInUpload;
1208                 FileFragment details = getSecondFragment();
1209                 boolean detailFragmentIsShown = (details != null &&
1210                         details instanceof FileDetailFragment);
1211
1212                 if (sameAccount && sameFile && detailFragmentIsShown) {
1213                     if (uploadWasFine) {
1214                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1215                     }
1216                     if (renamedInUpload) {
1217                         String newName = (new File(uploadedRemotePath)).getName();
1218                         Toast msg = Toast.makeText(
1219                                 context,
1220                                 String.format(
1221                                         getString(R.string.filedetails_renamed_in_upload_msg),
1222                                         newName),
1223                                 Toast.LENGTH_LONG);
1224                         msg.show();
1225                     }
1226                     if (uploadWasFine || getFile().fileExists()) {
1227                         ((FileDetailFragment)details).updateFileDetails(false, true);
1228                     } else {
1229                         cleanSecondFragment();
1230                     }
1231
1232                     // Force the preview if the file is an image
1233                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1234                         startImagePreview(getFile());
1235                     } // TODO what about other kind of previews?
1236                 }
1237
1238             } finally {
1239                 if (intent != null) {
1240                     removeStickyBroadcast(intent);
1241                 }
1242             }
1243
1244         }
1245
1246     }
1247
1248
1249     /**
1250      * Class waiting for broadcast events from the {@link FileDownloader} service.
1251      *
1252      * Updates the UI when a download is started or finished, provided that it is relevant for the
1253      * current folder.
1254      */
1255     private class DownloadFinishReceiver extends BroadcastReceiver {
1256
1257         //int refreshCounter = 0;
1258         @Override
1259         public void onReceive(Context context, Intent intent) {
1260             try {
1261                 boolean sameAccount = isSameAccount(context, intent);
1262                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1263                 boolean isDescendant = isDescendant(downloadedRemotePath);
1264
1265                 if (sameAccount && isDescendant) {
1266                     String linkedToRemotePath = intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1267                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1268                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1269                         refreshListOfFilesFragment();
1270                     }
1271                     refreshSecondFragment(
1272                             intent.getAction(),
1273                             downloadedRemotePath,
1274                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1275                     );
1276                 }
1277
1278                 if (mWaitingToSend != null) {
1279                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1280                     if (mWaitingToSend.isDown()) {
1281                         sendDownloadedFile();
1282                     }
1283                 }
1284
1285             } finally {
1286                 if (intent != null) {
1287                     removeStickyBroadcast(intent);
1288                 }
1289             }
1290         }
1291
1292         private boolean isDescendant(String downloadedRemotePath) {
1293             OCFile currentDir = getCurrentDir();
1294             return (
1295                 currentDir != null &&
1296                 downloadedRemotePath != null &&
1297                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1298             );
1299         }
1300
1301         private boolean isAscendant(String linkedToRemotePath) {
1302             OCFile currentDir = getCurrentDir();
1303             return (
1304                 currentDir != null &&
1305                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1306             );
1307         }
1308
1309         private boolean isSameAccount(Context context, Intent intent) {
1310             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1311             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1312         }
1313     }
1314
1315
1316     public void browseToRoot() {
1317         OCFileListFragment listOfFiles = getListOfFilesFragment();
1318         if (listOfFiles != null) {  // should never be null, indeed
1319             while (mDirectories.getCount() > 1) {
1320                 popDirname();
1321             }
1322             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1323             listOfFiles.listDirectory(root);
1324             setFile(listOfFiles.getCurrentFile());
1325             startSyncFolderOperation(root, false);
1326         }
1327         cleanSecondFragment();
1328     }
1329
1330
1331     public void browseTo(OCFile folder) {
1332         if (folder == null || !folder.isFolder()) {
1333             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1334         }
1335         OCFileListFragment listOfFiles = getListOfFilesFragment();
1336         if (listOfFiles != null) {
1337             setNavigationListWithFolder(folder);
1338             listOfFiles.listDirectory(folder);
1339             setFile(listOfFiles.getCurrentFile());
1340             startSyncFolderOperation(folder, false);
1341         } else {
1342             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1343         }
1344         cleanSecondFragment();
1345     }
1346
1347
1348     /**
1349      * {@inheritDoc}
1350      *
1351      * Updates action bar and second fragment, if in dual pane mode.
1352      */
1353     @Override
1354     public void onBrowsedDownTo(OCFile directory) {
1355         pushDirname(directory);
1356         cleanSecondFragment();
1357
1358         // Sync Folder
1359         startSyncFolderOperation(directory, false);
1360
1361     }
1362
1363     /**
1364      * Shows the information of the {@link OCFile} received as a
1365      * parameter in the second fragment.
1366      *
1367      * @param file          {@link OCFile} whose details will be shown
1368      */
1369     @Override
1370     public void showDetails(OCFile file) {
1371         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1372         setSecondFragment(detailFragment);
1373         updateFragmentsVisibility(true);
1374         updateNavigationElementsInActionBar(file);
1375         setFile(file);
1376     }
1377
1378
1379     /**
1380      * TODO
1381      */
1382     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1383         ActionBar actionBar = getSupportActionBar();
1384         if (chosenFile == null || mDualPane) {
1385             // only list of files - set for browsing through folders
1386             OCFile currentDir = getCurrentDir();
1387             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1388             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1389             actionBar.setDisplayShowTitleEnabled(!noRoot);
1390             if (!noRoot) {
1391                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1392             }
1393             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1394             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1395
1396         } else {
1397             actionBar.setDisplayHomeAsUpEnabled(true);
1398             actionBar.setDisplayShowTitleEnabled(true);
1399             actionBar.setTitle(chosenFile.getFileName());
1400             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1401         }
1402     }
1403
1404
1405     @Override
1406     protected ServiceConnection newTransferenceServiceConnection() {
1407         return new ListServiceConnection();
1408     }
1409
1410     /** Defines callbacks for service binding, passed to bindService() */
1411     private class ListServiceConnection implements ServiceConnection {
1412
1413         @Override
1414         public void onServiceConnected(ComponentName component, IBinder service) {
1415             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1416                 Log_OC.d(TAG, "Download service connected");
1417                 mDownloaderBinder = (FileDownloaderBinder) service;
1418                 if (mWaitingToPreview != null)
1419                     if (getStorageManager() != null) {
1420                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1421                         if (!mWaitingToPreview.isDown()) {
1422                             requestForDownload();
1423                         }
1424                 }
1425
1426             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1427                 Log_OC.d(TAG, "Upload service connected");
1428                 mUploaderBinder = (FileUploaderBinder) service;
1429             } else {
1430                 return;
1431             }
1432             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1433             OCFileListFragment listOfFiles = getListOfFilesFragment();
1434             if (listOfFiles != null) {
1435                 listOfFiles.listDirectory();
1436             }
1437             FileFragment secondFragment = getSecondFragment();
1438             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1439                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1440                 detailFragment.listenForTransferProgress();
1441                 detailFragment.updateFileDetails(false, false);
1442             }
1443         }
1444
1445         @Override
1446         public void onServiceDisconnected(ComponentName component) {
1447             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1448                 Log_OC.d(TAG, "Download service disconnected");
1449                 mDownloaderBinder = null;
1450             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1451                 Log_OC.d(TAG, "Upload service disconnected");
1452                 mUploaderBinder = null;
1453             }
1454         }
1455     };
1456
1457
1458
1459     /**
1460      * Launch an intent to request the PIN code to the user before letting him use the app
1461      */
1462     private void requestPinCode() {
1463         boolean pinStart = false;
1464         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1465         pinStart = appPrefs.getBoolean("set_pincode", false);
1466         if (pinStart) {
1467             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1468             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1469             startActivity(i);
1470         }
1471     }
1472
1473
1474     @Override
1475     public void onSavedCertificate() {
1476         startSyncFolderOperation(getCurrentDir(), false);
1477     }
1478
1479
1480     @Override
1481     public void onFailedSavingCertificate() {
1482         showDialog(DIALOG_CERT_NOT_SAVED);
1483     }
1484
1485     @Override
1486     public void onCancelCertificate() {
1487         // nothing to do
1488     }
1489
1490     /**
1491      * Updates the view associated to the activity after the finish of some operation over files
1492      * in the current account.
1493      *
1494      * @param operation     Removal operation performed.
1495      * @param result        Result of the removal.
1496      */
1497     @Override
1498     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1499         super.onRemoteOperationFinish(operation, result);
1500
1501         if (operation instanceof RemoveFileOperation) {
1502             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1503
1504         } else if (operation instanceof RenameFileOperation) {
1505             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1506
1507         } else if (operation instanceof SynchronizeFileOperation) {
1508             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1509
1510         } else if (operation instanceof CreateFolderOperation) {
1511             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1512
1513         } else if (operation instanceof CreateShareOperation) {
1514             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1515
1516         } else if (operation instanceof UnshareLinkOperation) {
1517             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1518
1519         } else if (operation instanceof MoveFileOperation) {
1520             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1521         }
1522
1523     }
1524
1525
1526     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1527         if (result.isSuccess()) {
1528             refreshShowDetails();
1529             refreshListOfFilesFragment();
1530         }
1531     }
1532
1533
1534     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1535         if (result.isSuccess()) {
1536             refreshShowDetails();
1537             refreshListOfFilesFragment();
1538
1539         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1540             cleanSecondFragment();
1541             refreshListOfFilesFragment();
1542         }
1543     }
1544
1545     private void refreshShowDetails() {
1546         FileFragment details = getSecondFragment();
1547         if (details != null) {
1548             OCFile file = details.getFile();
1549             if (file != null) {
1550                 file = getStorageManager().getFileByPath(file.getRemotePath());
1551                 if (details instanceof PreviewMediaFragment) {
1552                     // Refresh  OCFile of the fragment
1553                     ((PreviewMediaFragment) details).updateFile(file);
1554                 } else {
1555                     showDetails(file);
1556                 }
1557             }
1558             invalidateOptionsMenu();
1559         }
1560     }
1561
1562     /**
1563      * Updates the view associated to the activity after the finish of an operation trying to remove a
1564      * file.
1565      *
1566      * @param operation     Removal operation performed.
1567      * @param result        Result of the removal.
1568      */
1569     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1570         dismissLoadingDialog();
1571
1572         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1573                 Toast.LENGTH_LONG);
1574         msg.show();
1575
1576         if (result.isSuccess()) {
1577             OCFile removedFile = operation.getFile();
1578             FileFragment second = getSecondFragment();
1579             if (second != null && removedFile.equals(second.getFile())) {
1580                 if (second instanceof PreviewMediaFragment) {
1581                     ((PreviewMediaFragment)second).stopPreview(true);
1582                 }
1583                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1584                 cleanSecondFragment();
1585             }
1586             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1587                 refreshListOfFilesFragment();
1588             }
1589             invalidateOptionsMenu();
1590         } else {
1591             if (result.isSslRecoverableException()) {
1592                 mLastSslUntrustedServerResult = result;
1593                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1594             }
1595         }
1596     }
1597
1598
1599     /**
1600      * Updates the view associated to the activity after the finish of an operation trying to move a
1601      * file.
1602      *
1603      * @param operation     Move operation performed.
1604      * @param result        Result of the move operation.
1605      */
1606     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1607         if (result.isSuccess()) {
1608             dismissLoadingDialog();
1609             refreshListOfFilesFragment();
1610         } else {
1611             dismissLoadingDialog();
1612             try {
1613                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1614                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1615                         Toast.LENGTH_LONG);
1616                 msg.show();
1617
1618             } catch (NotFoundException e) {
1619                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1620             }
1621         }
1622     }
1623
1624
1625     /**
1626      * Updates the view associated to the activity after the finish of an operation trying to rename a
1627      * file.
1628      *
1629      * @param operation     Renaming operation performed.
1630      * @param result        Result of the renaming.
1631      */
1632     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1633         dismissLoadingDialog();
1634         OCFile renamedFile = operation.getFile();
1635         if (result.isSuccess()) {
1636             FileFragment details = getSecondFragment();
1637             if (details != null) {
1638                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1639                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1640                     showDetails(renamedFile);
1641
1642                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1643                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1644                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1645                         int position = ((PreviewMediaFragment)details).getPosition();
1646                         startMediaPreview(renamedFile, position, true);
1647                     } else {
1648                         getFileOperationsHelper().openFile(renamedFile);
1649                     }
1650                 }
1651             }
1652
1653             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1654                 refreshListOfFilesFragment();
1655             }
1656
1657         } else {
1658             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1659                     Toast.LENGTH_LONG);
1660             msg.show();
1661
1662             if (result.isSslRecoverableException()) {
1663                 mLastSslUntrustedServerResult = result;
1664                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1665             }
1666         }
1667     }
1668
1669     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1670         dismissLoadingDialog();
1671         OCFile syncedFile = operation.getLocalFile();
1672         if (!result.isSuccess()) {
1673             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1674                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1675                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1676                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1677                 startActivity(i);
1678
1679             }
1680
1681         } else {
1682             if (operation.transferWasRequested()) {
1683                 onTransferStateChanged(syncedFile, true, true);
1684
1685             } else {
1686                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1687                         Toast.LENGTH_LONG);
1688                 msg.show();
1689             }
1690         }
1691     }
1692
1693     /**
1694      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1695      *
1696      * @param operation     Creation operation performed.
1697      * @param result        Result of the creation.
1698      */
1699     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1700         if (result.isSuccess()) {
1701             dismissLoadingDialog();
1702             refreshListOfFilesFragment();
1703         } else {
1704             dismissLoadingDialog();
1705             try {
1706                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1707                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1708                         Toast.LENGTH_LONG);
1709                 msg.show();
1710
1711             } catch (NotFoundException e) {
1712                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1713             }
1714         }
1715     }
1716
1717
1718     /**
1719      * {@inheritDoc}
1720      */
1721     @Override
1722     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1723         refreshListOfFilesFragment();
1724         FileFragment details = getSecondFragment();
1725         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1726             if (downloading || uploading) {
1727                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1728             } else {
1729                 if (!file.fileExists()) {
1730                     cleanSecondFragment();
1731                 } else {
1732                     ((FileDetailFragment)details).updateFileDetails(false, true);
1733                 }
1734             }
1735         }
1736
1737     }
1738
1739
1740     private void requestForDownload() {
1741         Account account = getAccount();
1742         //if (!mWaitingToPreview.isDownloading()) {
1743         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1744             Intent i = new Intent(this, FileDownloader.class);
1745             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1746             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1747             startService(i);
1748         }
1749     }
1750
1751
1752     private OCFile getCurrentDir() {
1753         OCFile file = getFile();
1754         if (file != null) {
1755             if (file.isFolder()) {
1756                 return file;
1757             } else if (getStorageManager() != null) {
1758                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1759                 return getStorageManager().getFileByPath(parentPath);
1760             }
1761         }
1762         return null;
1763     }
1764
1765     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1766         long currentSyncTime = System.currentTimeMillis();
1767
1768         mSyncInProgress = true;
1769
1770         // perform folder synchronization
1771         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1772                                                                         currentSyncTime,
1773                                                                         false,
1774                                                                         getFileOperationsHelper().isSharedSupported(),
1775                                                                         ignoreETag,
1776                                                                         getStorageManager(),
1777                                                                         getAccount(),
1778                                                                         getApplicationContext()
1779                                                                       );
1780         synchFolderOp.execute(getAccount(), this, null, null);
1781
1782         setSupportProgressBarIndeterminateVisibility(true);
1783
1784         setBackgroundText();
1785     }
1786
1787     /**
1788      * Show untrusted cert dialog
1789      */
1790     public void showUntrustedCertDialog(RemoteOperationResult result) {
1791         // Show a dialog with the certificate info
1792         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1793         FragmentManager fm = getSupportFragmentManager();
1794         FragmentTransaction ft = fm.beginTransaction();
1795         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1796     }
1797
1798     private void requestForDownload(OCFile file) {
1799         Account account = getAccount();
1800         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1801             Intent i = new Intent(this, FileDownloader.class);
1802             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1803             i.putExtra(FileDownloader.EXTRA_FILE, file);
1804             startService(i);
1805         }
1806     }
1807
1808     private void sendDownloadedFile(){
1809         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1810         mWaitingToSend = null;
1811     }
1812
1813
1814     /**
1815      * Requests the download of the received {@link OCFile} , updates the UI
1816      * to monitor the download progress and prepares the activity to send the file
1817      * when the download finishes.
1818      *
1819      * @param file          {@link OCFile} to download and preview.
1820      */
1821     public void startDownloadForSending(OCFile file) {
1822         mWaitingToSend = file;
1823         requestForDownload(mWaitingToSend);
1824         boolean hasSecondFragment = (getSecondFragment()!= null);
1825         updateFragmentsVisibility(hasSecondFragment);
1826     }
1827
1828     /**
1829      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1830      *
1831      * @param file                      Image {@link OCFile} to show.
1832      */
1833     public void startImagePreview(OCFile file) {
1834         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1835         showDetailsIntent.putExtra(EXTRA_FILE, file);
1836         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1837         startActivity(showDetailsIntent);
1838
1839     }
1840
1841     /**
1842      * Stars the preview of an already down media {@link OCFile}.
1843      *
1844      * @param file                      Media {@link OCFile} to preview.
1845      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1846      * @param autoplay                  When 'true', the playback will start without user interactions.
1847      */
1848     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1849         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1850         setSecondFragment(mediaFragment);
1851         updateFragmentsVisibility(true);
1852         updateNavigationElementsInActionBar(file);
1853         setFile(file);
1854     }
1855
1856     /**
1857      * Requests the download of the received {@link OCFile} , updates the UI
1858      * to monitor the download progress and prepares the activity to preview
1859      * or open the file when the download finishes.
1860      *
1861      * @param file          {@link OCFile} to download and preview.
1862      */
1863     public void startDownloadForPreview(OCFile file) {
1864         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1865         setSecondFragment(detailFragment);
1866         mWaitingToPreview = file;
1867         requestForDownload();
1868         updateFragmentsVisibility(true);
1869         updateNavigationElementsInActionBar(file);
1870         setFile(file);
1871     }
1872
1873
1874     public void cancelTransference(OCFile file) {
1875         getFileOperationsHelper().cancelTransference(file);
1876         if (mWaitingToPreview != null &&
1877                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1878             mWaitingToPreview = null;
1879         }
1880         if (mWaitingToSend != null &&
1881                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1882             mWaitingToSend = null;
1883         }
1884         onTransferStateChanged(file, false, false);
1885     }
1886
1887     @Override
1888     public void onRefresh(boolean ignoreETag) {
1889         refreshList(ignoreETag);
1890     }
1891
1892     @Override
1893     public void onRefresh() {
1894         refreshList(true);
1895     }
1896
1897     private void refreshList(boolean ignoreETag) {
1898         OCFileListFragment listOfFiles = getListOfFilesFragment();
1899         if (listOfFiles != null) {
1900             OCFile folder = listOfFiles.getCurrentFile();
1901             if (folder != null) {
1902                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1903                 listDirectory(mFile);*/
1904                 startSyncFolderOperation(folder, ignoreETag);
1905             }
1906         }
1907     }
1908
1909     private void sortByDate(boolean ascending){
1910         getListOfFilesFragment().sortByDate(ascending);
1911     }
1912
1913     private void sortBySize(boolean ascending){
1914         getListOfFilesFragment().sortBySize(ascending);
1915     }
1916
1917     private void sortByName(boolean ascending){
1918         getListOfFilesFragment().sortByName(ascending);
1919     }
1920 }