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