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