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