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 import java.util.ArrayList;
  27
  28 import android.accounts.Account;
  29 import android.accounts.AccountManager;
  30 import android.accounts.AuthenticatorException;
  31 import android.annotation.TargetApi;
  32 import android.app.AlertDialog;
  33 import android.content.BroadcastReceiver;
  34 import android.content.ComponentName;
  35 import android.content.ContentResolver;
  36 import android.content.Context;
  37 import android.content.DialogInterface;
  38 import android.content.Intent;
  39 import android.content.IntentFilter;
  40 import android.content.ServiceConnection;
  41 import android.content.SharedPreferences;
  42 import android.content.SyncRequest;
  43 import android.content.res.Configuration;
  44 import android.content.res.Resources.NotFoundException;
  45 import android.database.Cursor;
  46 import android.net.Uri;
  47 import android.os.Build;
  48 import android.os.Bundle;
  49 import android.os.IBinder;
  50 import android.preference.PreferenceManager;
  51 import android.provider.OpenableColumns;
  52 import android.support.v4.app.ActionBarDrawerToggle;
  53 import android.support.v4.app.Fragment;
  54 import android.support.v4.app.FragmentManager;
  55 import android.support.v4.app.FragmentTransaction;
  56
  57 import android.support.v4.view.GravityCompat;
  58 import android.support.v4.widget.DrawerLayout;
  59 import android.support.v7.app.ActionBar;
  60 import android.view.Menu;
  61 import android.view.MenuInflater;
  62 import android.view.MenuItem;
  63 import android.view.View;
  64 import android.view.ViewGroup;
  65 import android.view.Window;
  66
  67 import android.widget.AdapterView;
  68 import android.widget.ArrayAdapter;
  69 import android.widget.ImageView;
  70 import android.widget.LinearLayout;
  71 import android.widget.ListView;
  72 import android.widget.TextView;
  73 import android.widget.Toast;
  74
  75 import com.owncloud.android.BuildConfig;
  76 import com.owncloud.android.MainApp;
  77 import com.owncloud.android.R;
  78 import com.owncloud.android.authentication.AccountUtils;
  79 import com.owncloud.android.datamodel.OCFile;
  80 import com.owncloud.android.files.services.FileDownloader;
  81 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  82 import com.owncloud.android.files.services.FileUploader;
  83 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  84 import com.owncloud.android.lib.common.OwnCloudAccount;
  85 import com.owncloud.android.lib.common.OwnCloudClient;
  86 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  87 import com.owncloud.android.lib.common.OwnCloudCredentials;
  88 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  89 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  90 import com.owncloud.android.lib.common.operations.RemoteOperation;
  91 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  92 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  93 import com.owncloud.android.lib.common.utils.Log_OC;
  94 import com.owncloud.android.operations.CreateFolderOperation;
  95 import com.owncloud.android.operations.CreateShareOperation;
  96 import com.owncloud.android.operations.MoveFileOperation;
  97 import com.owncloud.android.operations.RemoveFileOperation;
  98 import com.owncloud.android.operations.RenameFileOperation;
  99 import com.owncloud.android.operations.SynchronizeFileOperation;
 100 import com.owncloud.android.operations.RefreshFolderOperation;
 101 import com.owncloud.android.operations.UnshareLinkOperation;
 102 import com.owncloud.android.services.observer.FileObserverService;
 103 import com.owncloud.android.syncadapter.FileSyncAdapter;
 104 import com.owncloud.android.ui.NavigationDrawerItem;
 105 import com.owncloud.android.ui.adapter.NavigationDrawerListAdapter;
 106 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
 107 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
 108 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
 109 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
 110 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
 111 import com.owncloud.android.ui.fragment.FileDetailFragment;
 112 import com.owncloud.android.ui.fragment.FileFragment;
 113 import com.owncloud.android.ui.fragment.OCFileListFragment;
 114 import com.owncloud.android.ui.preview.PreviewImageActivity;
 115 import com.owncloud.android.ui.preview.PreviewImageFragment;
 116 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 117 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 118 import com.owncloud.android.utils.DisplayUtils;
 119 import com.owncloud.android.utils.ErrorMessageAdapter;
 120 import com.owncloud.android.utils.FileStorageUtils;
 121 import com.owncloud.android.utils.UriUtils;
 122
 123
 124 /**
 125  * Displays, what files the user has available in his ownCloud.
 126  */
 127
 128 public class FileDisplayActivity extends HookActivity implements
 129         FileFragment.ContainerActivity, ActionBar.OnNavigationListener,
 130         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 131
 132     private ArrayAdapter<String> mDirectories;
 133
 134     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 135     private UploadFinishReceiver mUploadFinishReceiver;
 136     private DownloadFinishReceiver mDownloadFinishReceiver;
 137     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 138
 139     private boolean mDualPane;
 140     private View mLeftFragmentContainer;
 141     private View mRightFragmentContainer;
 142
 143     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 144     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 145     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 146
 147     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 148
 149     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 150     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 151     public static final int ACTION_MOVE_FILES = 3;
 152
 153     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 154
 155     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 156     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 157
 158     private OCFile mWaitingToPreview;
 159
 160     private boolean mSyncInProgress = false;
 161
 162     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 163     private static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 164     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 165     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 166
 167     private OCFile mWaitingToSend;
 168
 169     // Navigation Drawer
 170     private DrawerLayout mDrawerLayout;
 171     private ActionBarDrawerToggle mDrawerToggle;
 172     private ListView mDrawerList;
 173
 174     // Slide menu items
 175     private String[] mDrawerTitles;
 176     private String[] mDrawerContentDescriptions;
 177
 178     private ArrayList<NavigationDrawerItem> mDrawerItems;
 179
 180     private NavigationDrawerListAdapter mNavigationDrawerAdapter = null;
 181
 182     private boolean mShowAccounts = false;
 183
 184     @Override
 185     protected void onCreate(Bundle savedInstanceState) {
 186         Log_OC.v(TAG, "onCreate() start");
 187         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 188
 189         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account
 190                                             // is valid
 191
 192         /// grant that FileObserverService is watching favorite files
 193         if (savedInstanceState == null) {
 194             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 195             startService(initObserversIntent);
 196         }
 197
 198         /// Load of saved instance state
 199         if(savedInstanceState != null) {
 200             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(
 201                     FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 202             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 203             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(
 204                     FileDisplayActivity.KEY_WAITING_TO_SEND);
 205
 206         } else {
 207             mWaitingToPreview = null;
 208             mSyncInProgress = false;
 209             mWaitingToSend = null;
 210         }
 211
 212         /// USER INTERFACE
 213
 214         // Inflate and set the layout view
 215         setContentView(R.layout.files);
 216
 217         // Navigation Drawer
 218         initDrawer();
 219
 220         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 221         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 222         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 223         if (savedInstanceState == null) {
 224             createMinFragments();
 225         }
 226
 227         // Action bar setup
 228         mDirectories = new CustomArrayAdapter<String>(this,
 229                 R.layout.support_simple_spinner_dropdown_item);
 230         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 231                                                                 // according to the official
 232                                                                 // documentation
 233         setSupportProgressBarIndeterminateVisibility(mSyncInProgress
 234         /*|| mRefreshSharesInProgress*/);
 235         // always AFTER setContentView(...) ; to work around bug in its implementation
 236
 237         // TODO Remove??, it is done in onPostCreate
 238         mDrawerToggle.syncState();
 239
 240         setBackgroundText();
 241
 242         Log_OC.v(TAG, "onCreate() end");
 243     }
 244
 245     private void initDrawer(){
 246         mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
 247         // Notification Drawer
 248         LinearLayout navigationDrawerLayout = (LinearLayout) findViewById(R.id.left_drawer);
 249         mDrawerList = (ListView) navigationDrawerLayout.findViewById(R.id.drawer_list);
 250
 251         // load Account in the Drawer Title
 252         // User-Icon
 253         ImageView userIcon = (ImageView) navigationDrawerLayout.findViewById(R.id.drawer_userIcon);
 254         userIcon.setImageResource(DisplayUtils.getSeasonalIconId());
 255
 256         // Username
 257         TextView username = (TextView) navigationDrawerLayout.findViewById(R.id.drawer_username);
 258         Account account = AccountUtils.getCurrentOwnCloudAccount(getApplicationContext());
 259
 260         if (account != null) {
 261             int lastAtPos = account.name.lastIndexOf("@");
 262             username.setText(account.name.substring(0, lastAtPos));
 263         }
 264
 265         // load slide menu items
 266         mDrawerTitles = getResources().getStringArray(R.array.drawer_items);
 267
 268         // nav drawer content description from resources
 269         mDrawerContentDescriptions = getResources().
 270                 getStringArray(R.array.drawer_content_descriptions);
 271
 272         // nav drawer items
 273         mDrawerItems = new ArrayList<NavigationDrawerItem>();
 274         // adding nav drawer items to array
 275         // Accounts
 276         mDrawerItems.add(new NavigationDrawerItem(mDrawerTitles[0], mDrawerContentDescriptions[0]));
 277         // All Files
 278         mDrawerItems.add(new NavigationDrawerItem(mDrawerTitles[1], mDrawerContentDescriptions[1]));
 279
 280         // TODO Enable when "On Device" is recovered
 281         // On Device
 282         //mDrawerItems.add(new NavigationDrawerItem(mDrawerTitles[2],
 283         //        mDrawerContentDescriptions[2]));
 284
 285         // Settings
 286         mDrawerItems.add(new NavigationDrawerItem(mDrawerTitles[2], mDrawerContentDescriptions[2]));
 287         // Logs
 288         if (BuildConfig.DEBUG) {
 289             mDrawerItems.add(new NavigationDrawerItem(mDrawerTitles[3],
 290                     mDrawerContentDescriptions[3]));
 291         }
 292
 293         // setting the nav drawer list adapter
 294         mNavigationDrawerAdapter = new NavigationDrawerListAdapter(getApplicationContext(), this,
 295                 mDrawerItems);
 296         mDrawerList.setAdapter(mNavigationDrawerAdapter);
 297
 298         mDrawerToggle = new ActionBarDrawerToggle(
 299                 this,
 300                 mDrawerLayout,
 301                 R.drawable.ic_drawer,
 302                 R.string.drawer_open,
 303                 R.string.empty) {
 304
 305             /** Called when a drawer has settled in a completely closed state. */
 306             public void onDrawerClosed(View view) {
 307                 super.onDrawerClosed(view);
 308                 getSupportActionBar().setDisplayShowTitleEnabled(true);
 309                 getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 310                 initFragmentsWithFile();
 311                 invalidateOptionsMenu();
 312             }
 313
 314             /** Called when a drawer has settled in a completely open state. */
 315             public void onDrawerOpened(View drawerView) {
 316                 super.onDrawerOpened(drawerView);
 317                 getSupportActionBar().setTitle(R.string.drawer_open);
 318                 getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
 319                 invalidateOptionsMenu();
 320             }
 321         };
 322
 323         mDrawerToggle.setDrawerIndicatorEnabled(true);
 324         // Set the list's click listener
 325         mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
 326
 327         // Set the drawer toggle as the DrawerListener
 328         mDrawerLayout.setDrawerListener(mDrawerToggle);
 329     }
 330
 331     @Override
 332     protected void onStart() {
 333         Log_OC.v(TAG, "onStart() start");
 334         super.onStart();
 335         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 336         Log_OC.v(TAG, "onStart() end");
 337     }
 338
 339     @Override
 340     protected void onPostCreate(Bundle savedInstanceState) {
 341         super.onPostCreate(savedInstanceState);
 342         // Sync the toggle state after onRestoreInstanceState has occurred.
 343         mDrawerToggle.syncState();
 344     }
 345
 346     @Override
 347     public void onConfigurationChanged(Configuration newConfig) {
 348         super.onConfigurationChanged(newConfig);
 349         mDrawerToggle.onConfigurationChanged(newConfig);
 350     }
 351
 352     @Override
 353     protected void onDestroy() {
 354         Log_OC.v(TAG, "onDestroy() start");
 355         super.onDestroy();
 356         Log_OC.v(TAG, "onDestroy() end");
 357     }
 358
 359     /**
 360      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 361      */
 362     @Override
 363     protected void onAccountSet(boolean stateWasRecovered) {
 364         super.onAccountSet(stateWasRecovered);
 365         if (getAccount() != null) {
 366             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 367             // current Account
 368             OCFile file = getFile();
 369             // get parent from path
 370             String parentPath = "";
 371             if (file != null) {
 372                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 373                     // upload in progress - right now, files are not inserted in the local
 374                     // cache until the upload is successful get parent from path
 375                     parentPath = file.getRemotePath().substring(0,
 376                             file.getRemotePath().lastIndexOf(file.getFileName()));
 377                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 378                         file = null; // not able to know the directory where the file is uploading
 379                 } else {
 380                     file = getStorageManager().getFileByPath(file.getRemotePath());
 381                     // currentDir = null if not in the current Account
 382                 }
 383             }
 384             if (file == null) {
 385                 // fall back to root folder
 386                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 387             }
 388             setFile(file);
 389             setNavigationListWithFolder(file);
 390
 391             if (!stateWasRecovered) {
 392                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 393                 initFragmentsWithFile();
 394                 if (file.isFolder()) {
 395                     startSyncFolderOperation(file, false);
 396                 }
 397
 398             } else {
 399                 updateFragmentsVisibility(!file.isFolder());
 400                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 401             }
 402         }
 403     }
 404
 405
 406     private void setNavigationListWithFolder(OCFile file) {
 407         mDirectories.clear();
 408         OCFile fileIt = file;
 409         String parentPath;
 410         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 411             if (fileIt.isFolder()) {
 412                 mDirectories.add(fileIt.getFileName());
 413             }
 414             // get parent from path
 415             parentPath = fileIt.getRemotePath().substring(0,
 416                     fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 417             fileIt = getStorageManager().getFileByPath(parentPath);
 418         }
 419         mDirectories.add(OCFile.PATH_SEPARATOR);
 420     }
 421
 422
 423     private void createMinFragments() {
 424         OCFileListFragment listOfFiles = new OCFileListFragment();
 425         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 426         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 427         transaction.commit();
 428     }
 429
 430     private void initFragmentsWithFile() {
 431         if (getAccount() != null && getFile() != null) {
 432             /// First fragment
 433             OCFileListFragment listOfFiles = getListOfFilesFragment();
 434             if (listOfFiles != null) {
 435                 listOfFiles.listDirectory(getCurrentDir());
 436                 // TODO Enable when "On Device" is recovered
 437                 // listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 438             } else {
 439                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 440             }
 441
 442             /// Second fragment
 443             OCFile file = getFile();
 444             Fragment secondFragment = chooseInitialSecondFragment(file);
 445             if (secondFragment != null) {
 446                 setSecondFragment(secondFragment);
 447                 updateFragmentsVisibility(true);
 448                 updateNavigationElementsInActionBar(file);
 449
 450             } else {
 451                 cleanSecondFragment();
 452             }
 453
 454         } else {
 455             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 456             if (getAccount() == null) {
 457                 Log_OC.wtf(TAG, "\t account is NULL");
 458             }
 459             if (getFile() == null) {
 460                 Log_OC.wtf(TAG, "\t file is NULL");
 461             }
 462         }
 463     }
 464
 465     private Fragment chooseInitialSecondFragment(OCFile file) {
 466         Fragment secondFragment = null;
 467         if (file != null && !file.isFolder()) {
 468             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 469                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 470                     ) {
 471                 int startPlaybackPosition =
 472                         getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 473                 boolean autoplay =
 474                         getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 475                 secondFragment = new PreviewMediaFragment(file, getAccount(),
 476                         startPlaybackPosition, autoplay);
 477
 478             } else {
 479                 secondFragment = new FileDetailFragment(file, getAccount());
 480             }
 481         }
 482         return secondFragment;
 483     }
 484
 485
 486     /**
 487      * Replaces the second fragment managed by the activity with the received as
 488      * a parameter.
 489      *
 490      * Assumes never will be more than two fragments managed at the same time.
 491      *
 492      * @param fragment      New second Fragment to set.
 493      */
 494     private void setSecondFragment(Fragment fragment) {
 495         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 496         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 497         transaction.commit();
 498     }
 499
 500
 501     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 502         if (mDualPane) {
 503             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 504                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 505             }
 506             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 507                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 508             }
 509
 510         } else if (existsSecondFragment) {
 511             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 512                 mLeftFragmentContainer.setVisibility(View.GONE);
 513             }
 514             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 515                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 516             }
 517
 518         } else {
 519             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 520                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 521             }
 522             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 523                 mRightFragmentContainer.setVisibility(View.GONE);
 524             }
 525         }
 526     }
 527
 528
 529     private OCFileListFragment getListOfFilesFragment() {
 530         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 531                 FileDisplayActivity.TAG_LIST_OF_FILES);
 532         if (listOfFiles != null) {
 533             return (OCFileListFragment)listOfFiles;
 534         }
 535         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 536         return null;
 537     }
 538
 539     public FileFragment getSecondFragment() {
 540         Fragment second = getSupportFragmentManager().findFragmentByTag(
 541                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 542         if (second != null) {
 543             return (FileFragment)second;
 544         }
 545         return null;
 546     }
 547
 548     protected void cleanSecondFragment() {
 549         Fragment second = getSecondFragment();
 550         if (second != null) {
 551             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 552             tr.remove(second);
 553             tr.commit();
 554         }
 555         updateFragmentsVisibility(false);
 556         updateNavigationElementsInActionBar(null);
 557     }
 558
 559     protected void refreshListOfFilesFragment() {
 560         OCFileListFragment fileListFragment = getListOfFilesFragment();
 561         if (fileListFragment != null) {
 562             fileListFragment.listDirectory();
 563             // TODO Enable when "On Device" is recovered ?
 564             // fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 565         }
 566     }
 567
 568     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath,
 569                                          boolean success) {
 570         FileFragment secondFragment = getSecondFragment();
 571         boolean waitedPreview = (mWaitingToPreview != null &&
 572                 mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 573         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 574             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 575             OCFile fileInFragment = detailsFragment.getFile();
 576             if (fileInFragment != null &&
 577                     !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 578                 // the user browsed to other file ; forget the automatic preview
 579                 mWaitingToPreview = null;
 580
 581             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 582                 // grant that the right panel updates the progress bar
 583                 detailsFragment.listenForTransferProgress();
 584                 detailsFragment.updateFileDetails(true, false);
 585
 586             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 587                 //  update the right panel
 588                 boolean detailsFragmentChanged = false;
 589                 if (waitedPreview) {
 590                     if (success) {
 591                         mWaitingToPreview = getStorageManager().getFileById(
 592                                 mWaitingToPreview.getFileId());   // update the file from database,
 593                                                                   // for the local storage path
 594                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 595                             startMediaPreview(mWaitingToPreview, 0, true);
 596                             detailsFragmentChanged = true;
 597                         } else {
 598                             getFileOperationsHelper().openFile(mWaitingToPreview);
 599                         }
 600                     }
 601                     mWaitingToPreview = null;
 602                 }
 603                 if (!detailsFragmentChanged) {
 604                     detailsFragment.updateFileDetails(false, (success));
 605                 }
 606             }
 607         }
 608     }
 609
 610     @Override
 611     public boolean onPrepareOptionsMenu(Menu menu) {
 612         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 613         menu.findItem(R.id.action_upload).setVisible(!drawerOpen);
 614         menu.findItem(R.id.action_create_dir).setVisible(!drawerOpen);
 615         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 616
 617         return super.onPrepareOptionsMenu(menu);
 618     }
 619
 620     @Override
 621     public boolean onCreateOptionsMenu(Menu menu) {
 622         MenuInflater inflater = getMenuInflater();
 623         inflater.inflate(R.menu.main_menu, menu);
 624         return true;
 625     }
 626
 627
 628     @Override
 629     public boolean onOptionsItemSelected(MenuItem item) {
 630         boolean retval = true;
 631         switch (item.getItemId()) {
 632         case R.id.action_create_dir: {
 633             CreateFolderDialogFragment dialog = CreateFolderDialogFragment.newInstance(getCurrentDir());
 634             dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 635             break;
 636         }
 637         case R.id.action_upload: {
 638             UploadSourceDialogFragment dialog = UploadSourceDialogFragment.newInstance(getAccount());
 639             dialog.show(getSupportFragmentManager(), DIALOG_UPLOAD_SOURCE);
 640
 641             break;
 642         }
 643         case android.R.id.home: {
 644             if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 645                 mDrawerLayout.closeDrawer(GravityCompat.START);
 646             } else {
 647                 mDrawerLayout.openDrawer(GravityCompat.START);
 648             }
 649             // TODO add hamburger to left of android.R.id.home
 650             break;
 651         }
 652         case R.id.action_sort: {
 653             SharedPreferences appPreferences = PreferenceManager
 654                     .getDefaultSharedPreferences(this);
 655
 656             // Read sorting order, default to sort by name ascending
 657             Integer sortOrder = appPreferences
 658                     .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 659
 660             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 661             builder.setTitle(R.string.actionbar_sort_title)
 662             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 663                 public void onClick(DialogInterface dialog, int which) {
 664                     switch (which){
 665                         case 0:
 666                             sortByName(true);
 667                             break;
 668                         case 1:
 669                             sortByDate(false);
 670                             break;
 671                     }
 672
 673                     dialog.dismiss();
 674                 }
 675             });
 676             builder.create().show();
 677             break;
 678         }
 679         default:
 680             retval = super.onOptionsItemSelected(item);
 681         }
 682         return retval;
 683     }
 684
 685     private void startSynchronization() {
 686         Log_OC.d(TAG, "Got to start sync");
 687         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 688             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 689             ContentResolver.cancelSync(null, MainApp.getAuthority());
 690             // cancel the current synchronizations of any ownCloud account
 691             Bundle bundle = new Bundle();
 692             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 693             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 694             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 695                     MainApp.getAuthority());
 696             ContentResolver.requestSync(
 697                     getAccount(),
 698                     MainApp.getAuthority(), bundle);
 699         } else {
 700             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 701                     MainApp.getAuthority() + " with new API");
 702             SyncRequest.Builder builder = new SyncRequest.Builder();
 703             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 704             builder.setExpedited(true);
 705             builder.setManual(true);
 706             builder.syncOnce();
 707
 708             // Fix bug in Android Lollipop when you click on refresh the whole account
 709             Bundle extras = new Bundle();
 710             builder.setExtras(extras);
 711
 712             SyncRequest request = builder.build();
 713             ContentResolver.requestSync(request);
 714         }
 715     }
 716
 717
 718     @Override
 719     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 720         if (itemPosition != 0) {
 721             String targetPath = "";
 722             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 723                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 724             }
 725             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 726             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 727             if (targetFolder != null) {
 728                 browseTo(targetFolder);
 729             }
 730
 731             // the next operation triggers a new call to this method, but it's necessary to
 732             // ensure that the name exposed in the action bar is the current directory when the
 733             // user selected it in the navigation list
 734             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  &&
 735                     itemPosition != 0)
 736                 getSupportActionBar().setSelectedNavigationItem(0);
 737         }
 738         return true;
 739     }
 740
 741     /**
 742      * Called, when the user selected something for uploading
 743      *
 744      */
 745     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 746     @Override
 747     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 748
 749         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 750                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 751             //getClipData is only supported on api level 16+, Jelly Bean
 752             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 753                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 754                     Intent intent = new Intent();
 755                     intent.setData(data.getClipData().getItemAt(i).getUri());
 756                     requestSimpleUpload(intent, resultCode);
 757                 }
 758             }else {
 759                 requestSimpleUpload(data, resultCode);
 760             }
 761         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 762                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 763             requestMultipleUpload(data, resultCode);
 764
 765         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 766
 767             final Intent fData = data;
 768             final int fResultCode = resultCode;
 769             getHandler().postDelayed(
 770                 new Runnable() {
 771                     @Override
 772                     public void run() {
 773                         requestMoveOperation(fData, fResultCode);
 774                     }
 775                 },
 776                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 777             );
 778
 779         } else {
 780             super.onActivityResult(requestCode, resultCode, data);
 781         }
 782
 783     }
 784
 785     private void requestMultipleUpload(Intent data, int resultCode) {
 786         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 787         if (filePaths != null) {
 788             String[] remotePaths = new String[filePaths.length];
 789             String remotePathBase = "";
 790
 791             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 792                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 793             }
 794             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 795                 remotePathBase += OCFile.PATH_SEPARATOR;
 796             for (int j = 0; j< remotePaths.length; j++) {
 797                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 798             }
 799
 800             Intent i = new Intent(this, FileUploader.class);
 801             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 802             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 803             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 804             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 805             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 806                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 807             startService(i);
 808
 809         } else {
 810             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 811             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 812                     Toast.LENGTH_LONG);
 813             t.show();
 814             return;
 815         }
 816     }
 817
 818
 819     private void requestSimpleUpload(Intent data, int resultCode) {
 820         String filePath = null;
 821         String mimeType = null;
 822
 823         Uri selectedImageUri = data.getData();
 824
 825         try {
 826             mimeType = getContentResolver().getType(selectedImageUri);
 827
 828             String fileManagerString = selectedImageUri.getPath();
 829             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 830
 831             if (selectedImagePath != null)
 832                 filePath = selectedImagePath;
 833             else
 834                 filePath = fileManagerString;
 835
 836         } catch (Exception e) {
 837             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 838                     "Intent.ACTION_GET_CONTENT", e);
 839
 840         } finally {
 841             if (filePath == null) {
 842                 Log_OC.e(TAG, "Couldn't resolve path to file");
 843                 Toast t = Toast.makeText(
 844                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 845                         Toast.LENGTH_LONG
 846                 );
 847                 t.show();
 848                 return;
 849             }
 850         }
 851
 852         Intent i = new Intent(this, FileUploader.class);
 853         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 854         OCFile currentDir = getCurrentDir();
 855         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 856
 857         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 858             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 859             try {
 860                 if (cursor != null && cursor.moveToFirst()) {
 861                     String displayName = cursor.getString(cursor.getColumnIndex(
 862                             OpenableColumns.DISPLAY_NAME));
 863                     Log_OC.v(TAG, "Display Name: " + displayName );
 864
 865                     displayName.replace(File.separatorChar, '_');
 866                     displayName.replace(File.pathSeparatorChar, '_');
 867                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 868
 869                 }
 870                 // and what happens in case of error?; wrong target name for the upload
 871             } finally {
 872                 cursor.close();
 873             }
 874
 875         } else {
 876             remotePath += new File(filePath).getName();
 877         }
 878
 879         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 880         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 881         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 882         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 883         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 884         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 885         startService(i);
 886     }
 887
 888     /**
 889      * Request the operation for moving the file/folder from one path to another
 890      *
 891      * @param data              Intent received
 892      * @param resultCode        Result code received
 893      */
 894     private void requestMoveOperation(Intent data, int resultCode) {
 895         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 896         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 897         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 898     }
 899
 900     @Override
 901     public void onBackPressed() {
 902         OCFileListFragment listOfFiles = getListOfFilesFragment();
 903         if (mDualPane || getSecondFragment() == null) {
 904             if (listOfFiles != null) {  // should never be null, indeed
 905                 if (mDirectories.getCount() <= 1) {
 906                     finish();
 907                     return;
 908                 }
 909                 int levelsUp = listOfFiles.onBrowseUp();
 910                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 911                     popDirname();
 912                 }
 913             }
 914         }
 915         if (listOfFiles != null) {  // should never be null, indeed
 916             setFile(listOfFiles.getCurrentFile());
 917         }
 918         cleanSecondFragment();
 919
 920     }
 921
 922     @Override
 923     protected void onSaveInstanceState(Bundle outState) {
 924         // responsibility of restore is preferred in onCreate() before than in
 925         // onRestoreInstanceState when there are Fragments involved
 926         Log_OC.v(TAG, "onSaveInstanceState() start");
 927         super.onSaveInstanceState(outState);
 928         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 929         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 930         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 931         // mRefreshSharesInProgress);
 932         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 933
 934         Log_OC.v(TAG, "onSaveInstanceState() end");
 935     }
 936
 937
 938
 939     @Override
 940     protected void onResume() {
 941         Log_OC.v(TAG, "onResume() start");
 942         super.onResume();
 943
 944         // refresh Navigation Drawer account list
 945         mNavigationDrawerAdapter.updateAccountList();
 946
 947         // refresh list of files
 948         refreshListOfFilesFragment();
 949
 950         // Listen for sync messages
 951         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 952         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 953         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 954         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 955         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 956         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 957         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 958         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 959         // syncIntentFilter);
 960
 961         // Listen for upload messages
 962         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 963         mUploadFinishReceiver = new UploadFinishReceiver();
 964         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 965
 966         // Listen for download messages
 967         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 968         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 969         mDownloadFinishReceiver = new DownloadFinishReceiver();
 970         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 971
 972         Log_OC.v(TAG, "onResume() end");
 973     }
 974
 975
 976     @Override
 977     protected void onPause() {
 978         Log_OC.v(TAG, "onPause() start");
 979         if (mSyncBroadcastReceiver != null) {
 980             unregisterReceiver(mSyncBroadcastReceiver);
 981             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 982             mSyncBroadcastReceiver = null;
 983         }
 984         if (mUploadFinishReceiver != null) {
 985             unregisterReceiver(mUploadFinishReceiver);
 986             mUploadFinishReceiver = null;
 987         }
 988         if (mDownloadFinishReceiver != null) {
 989             unregisterReceiver(mDownloadFinishReceiver);
 990             mDownloadFinishReceiver = null;
 991         }
 992
 993         super.onPause();
 994         Log_OC.v(TAG, "onPause() end");
 995     }
 996
 997     /**
 998      * Pushes a directory to the drop down list
 999      * @param directory to push
1000      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
1001      */
1002     public void pushDirname(OCFile directory) {
1003         if(!directory.isFolder()){
1004             throw new IllegalArgumentException("Only directories may be pushed!");
1005         }
1006         mDirectories.insert(directory.getFileName(), 0);
1007         setFile(directory);
1008     }
1009
1010     /**
1011      * Pops a directory name from the drop down list
1012      * @return True, unless the stack is empty
1013      */
1014     public boolean popDirname() {
1015         mDirectories.remove(mDirectories.getItem(0));
1016         return !mDirectories.isEmpty();
1017     }
1018
1019     // Custom array adapter to override text colors
1020     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
1021
1022         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
1023             super(ctx, view);
1024         }
1025
1026         public View getView(int position, View convertView, ViewGroup parent) {
1027             View v = super.getView(position, convertView, parent);
1028
1029             ((TextView) v).setTextColor(getResources().getColorStateList(
1030                     android.R.color.white));
1031
1032             fixRoot((TextView) v );
1033             return v;
1034         }
1035
1036         public View getDropDownView(int position, View convertView,
1037                 ViewGroup parent) {
1038             View v = super.getDropDownView(position, convertView, parent);
1039
1040             ((TextView) v).setTextColor(getResources().getColorStateList(
1041                     android.R.color.white));
1042
1043             fixRoot((TextView) v );
1044             return v;
1045         }
1046
1047         private void fixRoot(TextView v) {
1048             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
1049                 v.setText(R.string.default_display_name_for_root_folder);
1050             }
1051         }
1052
1053     }
1054
1055     private class SyncBroadcastReceiver extends BroadcastReceiver {
1056
1057         /**
1058          * {@link BroadcastReceiver} to enable syncing feedback in UI
1059          */
1060         @Override
1061         public void onReceive(Context context, Intent intent) {
1062             try {
1063                 String event = intent.getAction();
1064                 Log_OC.d(TAG, "Received broadcast " + event);
1065                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
1066                 String synchFolderRemotePath =
1067                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
1068                 RemoteOperationResult synchResult =
1069                         (RemoteOperationResult)intent.getSerializableExtra(
1070                                 FileSyncAdapter.EXTRA_RESULT);
1071                 boolean sameAccount = (getAccount() != null &&
1072                         accountName.equals(getAccount().name) && getStorageManager() != null);
1073
1074                 if (sameAccount) {
1075
1076                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
1077                         mSyncInProgress = true;
1078
1079                     } else {
1080                         OCFile currentFile = (getFile() == null) ? null :
1081                                 getStorageManager().getFileByPath(getFile().getRemotePath());
1082                         OCFile currentDir = (getCurrentDir() == null) ? null :
1083                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1084
1085                         if (currentDir == null) {
1086                             // current folder was removed from the server
1087                             Toast.makeText( FileDisplayActivity.this,
1088                                             String.format(
1089                                                     getString(R.string.sync_current_folder_was_removed),
1090                                                     mDirectories.getItem(0)),
1091                                             Toast.LENGTH_LONG)
1092                                 .show();
1093                             browseToRoot();
1094
1095                         } else {
1096                             if (currentFile == null && !getFile().isFolder()) {
1097                                 // currently selected file was removed in the server, and now we
1098                                 // know it
1099                                 cleanSecondFragment();
1100                                 currentFile = currentDir;
1101                             }
1102
1103                             if (synchFolderRemotePath != null &&
1104                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1105                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1106                                 if (fileListFragment != null) {
1107                                     fileListFragment.listDirectory();
1108                                     // TODO Enable when "On Device" is recovered ?
1109                                     // fileListFragment.listDirectory(currentDir,
1110                                     // MainApp.getOnlyOnDevice());
1111                                 }
1112                             }
1113                             setFile(currentFile);
1114                         }
1115
1116                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
1117                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
1118                                         .equals(event));
1119
1120                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1121                                     equals(event) &&
1122                                 /// TODO refactor and make common
1123                                 synchResult != null && !synchResult.isSuccess() &&
1124                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1125                                     synchResult.isIdPRedirection()                  ||
1126                                     (synchResult.isException() && synchResult.getException()
1127                                             instanceof AuthenticatorException))) {
1128
1129
1130                             try {
1131                                 OwnCloudClient client;
1132                                 OwnCloudAccount ocAccount =
1133                                         new OwnCloudAccount(getAccount(), context);
1134                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1135                                         removeClientFor(ocAccount));
1136
1137                                 if (client != null) {
1138                                     OwnCloudCredentials cred = client.getCredentials();
1139                                     if (cred != null) {
1140                                         AccountManager am = AccountManager.get(context);
1141                                         if (cred.authTokenExpires()) {
1142                                             am.invalidateAuthToken(
1143                                                     getAccount().type,
1144                                                     cred.getAuthToken()
1145                                             );
1146                                         } else {
1147                                             am.clearPassword(getAccount());
1148                                         }
1149                                     }
1150                                 }
1151                                 requestCredentialsUpdate();
1152
1153                             } catch (AccountNotFoundException e) {
1154                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1155                             }
1156
1157                         }
1158                     }
1159                     removeStickyBroadcast(intent);
1160                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1161                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress
1162                     /*|| mRefreshSharesInProgress*/);
1163
1164                     setBackgroundText();
1165
1166                 }
1167
1168                 if (synchResult != null) {
1169                     if (synchResult.getCode().equals(
1170                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1171                         mLastSslUntrustedServerResult = synchResult;
1172                     }
1173                 }
1174             } catch (RuntimeException e) {
1175                 // avoid app crashes after changing the serial id of RemoteOperationResult
1176                 // in owncloud library with broadcast notifications pending to process
1177                 removeStickyBroadcast(intent);
1178             }
1179         }
1180     }
1181
1182     /**
1183      * Show a text message on screen view for notifying user if content is
1184      * loading or folder is empty
1185      */
1186     private void setBackgroundText() {
1187         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1188         if (ocFileListFragment != null) {
1189             int message = R.string.file_list_loading;
1190             if (!mSyncInProgress) {
1191                 // In case file list is empty
1192                 message = R.string.file_list_empty;
1193             }
1194             ocFileListFragment.setMessageForEmptyList(getString(message));
1195         } else {
1196             Log_OC.e(TAG, "OCFileListFragment is null");
1197         }
1198     }
1199
1200     /**
1201      * Once the file upload has finished -> update view
1202      */
1203     private class UploadFinishReceiver extends BroadcastReceiver {
1204         /**
1205          * Once the file upload has finished -> update view
1206          *  @author David A. Velasco
1207          * {@link BroadcastReceiver} to enable upload feedback in UI
1208          */
1209         @Override
1210         public void onReceive(Context context, Intent intent) {
1211             try {
1212                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1213                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1214                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1215                 OCFile currentDir = getCurrentDir();
1216                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1217                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1218
1219                 if (sameAccount && isDescendant) {
1220                     refreshListOfFilesFragment();
1221                 }
1222
1223                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1224                         false);
1225                 boolean renamedInUpload = getFile().getRemotePath().
1226                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1227                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1228                         renamedInUpload;
1229                 FileFragment details = getSecondFragment();
1230                 boolean detailFragmentIsShown = (details != null &&
1231                         details instanceof FileDetailFragment);
1232
1233                 if (sameAccount && sameFile && detailFragmentIsShown) {
1234                     if (uploadWasFine) {
1235                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1236                     }
1237                     if (renamedInUpload) {
1238                         String newName = (new File(uploadedRemotePath)).getName();
1239                         Toast msg = Toast.makeText(
1240                                 context,
1241                                 String.format(
1242                                         getString(R.string.filedetails_renamed_in_upload_msg),
1243                                         newName),
1244                                 Toast.LENGTH_LONG);
1245                         msg.show();
1246                     }
1247                     if (uploadWasFine || getFile().fileExists()) {
1248                         ((FileDetailFragment)details).updateFileDetails(false, true);
1249                     } else {
1250                         cleanSecondFragment();
1251                     }
1252
1253                     // Force the preview if the file is an image
1254                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1255                         startImagePreview(getFile());
1256                     } // TODO what about other kind of previews?
1257                 }
1258
1259             } finally {
1260                 if (intent != null) {
1261                     removeStickyBroadcast(intent);
1262                 }
1263             }
1264
1265         }
1266
1267     }
1268
1269
1270     /**
1271      * Class waiting for broadcast events from the {@link FileDownloader} service.
1272      *
1273      * Updates the UI when a download is started or finished, provided that it is relevant for the
1274      * current folder.
1275      */
1276     private class DownloadFinishReceiver extends BroadcastReceiver {
1277
1278         //int refreshCounter = 0;
1279         @Override
1280         public void onReceive(Context context, Intent intent) {
1281             try {
1282                 boolean sameAccount = isSameAccount(context, intent);
1283                 String downloadedRemotePath =
1284                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1285                 boolean isDescendant = isDescendant(downloadedRemotePath);
1286
1287                 if (sameAccount && isDescendant) {
1288                     String linkedToRemotePath =
1289                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1290                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1291                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1292                         refreshListOfFilesFragment();
1293                     }
1294                     refreshSecondFragment(
1295                             intent.getAction(),
1296                             downloadedRemotePath,
1297                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1298                     );
1299                 }
1300
1301                 if (mWaitingToSend != null) {
1302                     mWaitingToSend =
1303                             getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1304                     if (mWaitingToSend.isDown()) {
1305                         sendDownloadedFile();
1306                     }
1307                 }
1308
1309             } finally {
1310                 if (intent != null) {
1311                     removeStickyBroadcast(intent);
1312                 }
1313             }
1314         }
1315
1316         private boolean isDescendant(String downloadedRemotePath) {
1317             OCFile currentDir = getCurrentDir();
1318             return (
1319                 currentDir != null &&
1320                 downloadedRemotePath != null &&
1321                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1322             );
1323         }
1324
1325         private boolean isAscendant(String linkedToRemotePath) {
1326             OCFile currentDir = getCurrentDir();
1327             return (
1328                 currentDir != null &&
1329                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1330             );
1331         }
1332
1333         private boolean isSameAccount(Context context, Intent intent) {
1334             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1335             return (accountName != null && getAccount() != null &&
1336                     accountName.equals(getAccount().name));
1337         }
1338     }
1339
1340
1341     public void browseToRoot() {
1342         OCFileListFragment listOfFiles = getListOfFilesFragment();
1343         if (listOfFiles != null) {  // should never be null, indeed
1344             while (mDirectories.getCount() > 1) {
1345                 popDirname();
1346             }
1347             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1348             listOfFiles.listDirectory(root);
1349             // TODO Enable when "On Device" is recovered ?
1350             // listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1351             setFile(listOfFiles.getCurrentFile());
1352             startSyncFolderOperation(root, false);
1353         }
1354         cleanSecondFragment();
1355     }
1356
1357
1358     public void browseTo(OCFile folder) {
1359         if (folder == null || !folder.isFolder()) {
1360             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1361         }
1362         OCFileListFragment listOfFiles = getListOfFilesFragment();
1363         if (listOfFiles != null) {
1364             setNavigationListWithFolder(folder);
1365             listOfFiles.listDirectory(folder);
1366             // TODO Enable when "On Device" is recovered ?
1367             // listOfFiles.listDirectory(folder, MainApp.getOnlyOnDevice());
1368             setFile(listOfFiles.getCurrentFile());
1369             startSyncFolderOperation(folder, false);
1370         } else {
1371             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1372         }
1373         cleanSecondFragment();
1374     }
1375
1376
1377     /**
1378      * {@inheritDoc}
1379      *
1380      * Updates action bar and second fragment, if in dual pane mode.
1381      */
1382     @Override
1383     public void onBrowsedDownTo(OCFile directory) {
1384         pushDirname(directory);
1385         cleanSecondFragment();
1386
1387         // Sync Folder
1388         startSyncFolderOperation(directory, false);
1389
1390     }
1391
1392     /**
1393      * Shows the information of the {@link OCFile} received as a
1394      * parameter in the second fragment.
1395      *
1396      * @param file          {@link OCFile} whose details will be shown
1397      */
1398     @Override
1399     public void showDetails(OCFile file) {
1400         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1401         setSecondFragment(detailFragment);
1402         updateFragmentsVisibility(true);
1403         updateNavigationElementsInActionBar(file);
1404         setFile(file);
1405     }
1406
1407
1408     /**
1409      * TODO
1410      */
1411     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1412         ActionBar actionBar = getSupportActionBar();
1413
1414         // For adding content description tag to a title field in the action bar
1415         int actionBarTitleId = getResources().getIdentifier("action_bar_title", "id", "android");
1416
1417         if (chosenFile == null || mDualPane) {
1418             // only list of files - set for browsing through folders
1419             OCFile currentDir = getCurrentDir();
1420             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1421 //            actionBar.setDisplayHomeAsUpEnabled(noRoot);
1422 //            actionBar.setDisplayShowTitleEnabled(!noRoot);
1423             actionBar.setDisplayHomeAsUpEnabled(true);
1424             actionBar.setDisplayShowTitleEnabled(true);
1425             if (!noRoot) {
1426                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1427                 View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1428                 if (actionBarTitleView != null) {    // it's null in Android 2.x
1429                     actionBarTitleView.setContentDescription(
1430                             getString(R.string.default_display_name_for_root_folder));
1431                 }
1432             }
1433             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD :
1434                     ActionBar.NAVIGATION_MODE_LIST);
1435             actionBar.setListNavigationCallbacks(mDirectories, this);
1436             // assuming mDirectories is updated
1437
1438         } else {
1439             actionBar.setDisplayHomeAsUpEnabled(true);
1440             actionBar.setDisplayShowTitleEnabled(true);
1441             actionBar.setTitle(chosenFile.getFileName());
1442             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1443             View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1444             if (actionBarTitleView != null) {    // it's null in Android 2.x
1445                 getWindow().getDecorView().findViewById(actionBarTitleId).
1446                         setContentDescription(chosenFile.getFileName());
1447             }
1448         }
1449     }
1450
1451
1452     @Override
1453     protected ServiceConnection newTransferenceServiceConnection() {
1454         return new ListServiceConnection();
1455     }
1456
1457     /** Defines callbacks for service binding, passed to bindService() */
1458     private class ListServiceConnection implements ServiceConnection {
1459
1460         @Override
1461         public void onServiceConnected(ComponentName component, IBinder service) {
1462             if (component.equals(new ComponentName(
1463                     FileDisplayActivity.this, FileDownloader.class))) {
1464                 Log_OC.d(TAG, "Download service connected");
1465                 mDownloaderBinder = (FileDownloaderBinder) service;
1466                 if (mWaitingToPreview != null)
1467                     if (getStorageManager() != null) {
1468                          // update the file
1469                         mWaitingToPreview =
1470                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1471                         if (!mWaitingToPreview.isDown()) {
1472                             requestForDownload();
1473                         }
1474                 }
1475
1476             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1477                     FileUploader.class))) {
1478                 Log_OC.d(TAG, "Upload service connected");
1479                 mUploaderBinder = (FileUploaderBinder) service;
1480             } else {
1481                 return;
1482             }
1483             // a new chance to get the mDownloadBinder through
1484             // getFileDownloadBinder() - THIS IS A MESS
1485             OCFileListFragment listOfFiles = getListOfFilesFragment();
1486             if (listOfFiles != null) {
1487                 listOfFiles.listDirectory();
1488                 // TODO Enable when "On Device" is recovered ?
1489                 // listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1490             }
1491             FileFragment secondFragment = getSecondFragment();
1492             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1493                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1494                 detailFragment.listenForTransferProgress();
1495                 detailFragment.updateFileDetails(false, false);
1496             }
1497         }
1498
1499         @Override
1500         public void onServiceDisconnected(ComponentName component) {
1501             if (component.equals(new ComponentName(FileDisplayActivity.this,
1502                     FileDownloader.class))) {
1503                 Log_OC.d(TAG, "Download service disconnected");
1504                 mDownloaderBinder = null;
1505             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1506                     FileUploader.class))) {
1507                 Log_OC.d(TAG, "Upload service disconnected");
1508                 mUploaderBinder = null;
1509             }
1510         }
1511     };
1512
1513     @Override
1514     public void onSavedCertificate() {
1515         startSyncFolderOperation(getCurrentDir(), false);
1516     }
1517
1518
1519     @Override
1520     public void onFailedSavingCertificate() {
1521         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1522                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1523         );
1524         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1525     }
1526
1527     @Override
1528     public void onCancelCertificate() {
1529         // nothing to do
1530     }
1531
1532     /**
1533      * Updates the view associated to the activity after the finish of some operation over files
1534      * in the current account.
1535      *
1536      * @param operation     Removal operation performed.
1537      * @param result        Result of the removal.
1538      */
1539     @Override
1540     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1541         super.onRemoteOperationFinish(operation, result);
1542
1543         if (operation instanceof RemoveFileOperation) {
1544             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1545
1546         } else if (operation instanceof RenameFileOperation) {
1547             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1548
1549         } else if (operation instanceof SynchronizeFileOperation) {
1550             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1551
1552         } else if (operation instanceof CreateFolderOperation) {
1553             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1554
1555         } else if (operation instanceof CreateShareOperation) {
1556             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1557
1558         } else if (operation instanceof UnshareLinkOperation) {
1559             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1560
1561         } else if (operation instanceof MoveFileOperation) {
1562             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1563         }
1564
1565     }
1566
1567
1568     private void onCreateShareOperationFinish(CreateShareOperation operation,
1569                                               RemoteOperationResult result) {
1570         if (result.isSuccess()) {
1571             refreshShowDetails();
1572             refreshListOfFilesFragment();
1573         }
1574     }
1575
1576
1577     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation,
1578                                               RemoteOperationResult result) {
1579         if (result.isSuccess()) {
1580             refreshShowDetails();
1581             refreshListOfFilesFragment();
1582
1583         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1584             cleanSecondFragment();
1585             refreshListOfFilesFragment();
1586         }
1587     }
1588
1589     private void refreshShowDetails() {
1590         FileFragment details = getSecondFragment();
1591         if (details != null) {
1592             OCFile file = details.getFile();
1593             if (file != null) {
1594                 file = getStorageManager().getFileByPath(file.getRemotePath());
1595                 if (details instanceof PreviewMediaFragment) {
1596                     // Refresh  OCFile of the fragment
1597                     ((PreviewMediaFragment) details).updateFile(file);
1598                 } else {
1599                     showDetails(file);
1600                 }
1601             }
1602             invalidateOptionsMenu();
1603         }
1604     }
1605
1606     /**
1607      * Updates the view associated to the activity after the finish of an operation trying to
1608      * remove a file.
1609      *
1610      * @param operation     Removal operation performed.
1611      * @param result        Result of the removal.
1612      */
1613     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1614                                              RemoteOperationResult result) {
1615         dismissLoadingDialog();
1616
1617         Toast msg = Toast.makeText(this,
1618                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1619                 Toast.LENGTH_LONG);
1620         msg.show();
1621
1622         if (result.isSuccess()) {
1623             OCFile removedFile = operation.getFile();
1624             FileFragment second = getSecondFragment();
1625             if (second != null && removedFile.equals(second.getFile())) {
1626                 if (second instanceof PreviewMediaFragment) {
1627                     ((PreviewMediaFragment)second).stopPreview(true);
1628                 }
1629                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1630                 cleanSecondFragment();
1631             }
1632             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1633                 refreshListOfFilesFragment();
1634             }
1635             invalidateOptionsMenu();
1636         } else {
1637             if (result.isSslRecoverableException()) {
1638                 mLastSslUntrustedServerResult = result;
1639                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1640             }
1641         }
1642     }
1643
1644
1645     /**
1646      * Updates the view associated to the activity after the finish of an operation trying to move a
1647      * file.
1648      *
1649      * @param operation     Move operation performed.
1650      * @param result        Result of the move operation.
1651      */
1652     private void onMoveFileOperationFinish(MoveFileOperation operation,
1653                                            RemoteOperationResult result) {
1654         if (result.isSuccess()) {
1655             dismissLoadingDialog();
1656             refreshListOfFilesFragment();
1657         } else {
1658             dismissLoadingDialog();
1659             try {
1660                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1661                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1662                         Toast.LENGTH_LONG);
1663                 msg.show();
1664
1665             } catch (NotFoundException e) {
1666                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1667             }
1668         }
1669     }
1670
1671
1672     /**
1673      * Updates the view associated to the activity after the finish of an operation trying to rename
1674      * a file.
1675      *
1676      * @param operation     Renaming operation performed.
1677      * @param result        Result of the renaming.
1678      */
1679     private void onRenameFileOperationFinish(RenameFileOperation operation,
1680                                              RemoteOperationResult result) {
1681         dismissLoadingDialog();
1682         OCFile renamedFile = operation.getFile();
1683         if (result.isSuccess()) {
1684             FileFragment details = getSecondFragment();
1685             if (details != null) {
1686                 if (details instanceof FileDetailFragment &&
1687                         renamedFile.equals(details.getFile()) ) {
1688                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1689                     showDetails(renamedFile);
1690
1691                 } else if (details instanceof PreviewMediaFragment &&
1692                         renamedFile.equals(details.getFile())) {
1693                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1694                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1695                         int position = ((PreviewMediaFragment)details).getPosition();
1696                         startMediaPreview(renamedFile, position, true);
1697                     } else {
1698                         getFileOperationsHelper().openFile(renamedFile);
1699                     }
1700                 }
1701             }
1702
1703             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1704                 refreshListOfFilesFragment();
1705             }
1706
1707         } else {
1708             Toast msg = Toast.makeText(this,
1709                     ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1710                     Toast.LENGTH_LONG);
1711             msg.show();
1712
1713             if (result.isSslRecoverableException()) {
1714                 mLastSslUntrustedServerResult = result;
1715                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1716             }
1717         }
1718     }
1719
1720     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
1721                                                   RemoteOperationResult result) {
1722         dismissLoadingDialog();
1723         OCFile syncedFile = operation.getLocalFile();
1724         if (!result.isSuccess()) {
1725             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1726                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1727                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1728                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1729                 startActivity(i);
1730
1731             }
1732
1733         } else {
1734             if (operation.transferWasRequested()) {
1735                 onTransferStateChanged(syncedFile, true, true);
1736
1737             } else {
1738                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result,
1739                                 operation, getResources()), Toast.LENGTH_LONG);
1740                 msg.show();
1741             }
1742         }
1743     }
1744
1745     /**
1746      * Updates the view associated to the activity after the finish of an operation trying create a
1747      * new folder
1748      *
1749      * @param operation     Creation operation performed.
1750      * @param result        Result of the creation.
1751      */
1752     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1753                                                RemoteOperationResult result) {
1754         if (result.isSuccess()) {
1755             dismissLoadingDialog();
1756             refreshListOfFilesFragment();
1757         } else {
1758             dismissLoadingDialog();
1759             try {
1760                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1761                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1762                         Toast.LENGTH_LONG);
1763                 msg.show();
1764
1765             } catch (NotFoundException e) {
1766                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1767             }
1768         }
1769     }
1770
1771
1772     /**
1773      * {@inheritDoc}
1774      */
1775     @Override
1776     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1777         refreshListOfFilesFragment();
1778         FileFragment details = getSecondFragment();
1779         if (details != null && details instanceof FileDetailFragment &&
1780                 file.equals(details.getFile()) ) {
1781             if (downloading || uploading) {
1782                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1783             } else {
1784                 if (!file.fileExists()) {
1785                     cleanSecondFragment();
1786                 } else {
1787                     ((FileDetailFragment)details).updateFileDetails(false, true);
1788                 }
1789             }
1790         }
1791
1792     }
1793
1794
1795     private void requestForDownload() {
1796         Account account = getAccount();
1797         //if (!mWaitingToPreview.isDownloading()) {
1798         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1799             Intent i = new Intent(this, FileDownloader.class);
1800             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1801             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1802             startService(i);
1803         }
1804     }
1805
1806
1807     private OCFile getCurrentDir() {
1808         OCFile file = getFile();
1809         if (file != null) {
1810             if (file.isFolder()) {
1811                 return file;
1812             } else if (getStorageManager() != null) {
1813                 String parentPath = file.getRemotePath().substring(0,
1814                         file.getRemotePath().lastIndexOf(file.getFileName()));
1815                 return getStorageManager().getFileByPath(parentPath);
1816             }
1817         }
1818         return null;
1819     }
1820
1821     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1822         long currentSyncTime = System.currentTimeMillis();
1823
1824         mSyncInProgress = true;
1825
1826         // perform folder synchronization
1827         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1828                 currentSyncTime,
1829                 false,
1830                 getFileOperationsHelper().isSharedSupported(),
1831                 ignoreETag,
1832                 getStorageManager(),
1833                 getAccount(),
1834                 getApplicationContext()
1835         );
1836         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1837
1838         setSupportProgressBarIndeterminateVisibility(true);
1839
1840         setBackgroundText();
1841     }
1842
1843     /**
1844      * Show untrusted cert dialog
1845      */
1846     public void showUntrustedCertDialog(RemoteOperationResult result) {
1847         // Show a dialog with the certificate info
1848         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1849                 (CertificateCombinedException) result.getException());
1850         FragmentManager fm = getSupportFragmentManager();
1851         FragmentTransaction ft = fm.beginTransaction();
1852         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1853     }
1854
1855     private void requestForDownload(OCFile file) {
1856         Account account = getAccount();
1857         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1858             Intent i = new Intent(this, FileDownloader.class);
1859             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1860             i.putExtra(FileDownloader.EXTRA_FILE, file);
1861             startService(i);
1862         }
1863     }
1864
1865     private void sendDownloadedFile(){
1866         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1867         mWaitingToSend = null;
1868     }
1869
1870
1871     /**
1872      * Requests the download of the received {@link OCFile} , updates the UI
1873      * to monitor the download progress and prepares the activity to send the file
1874      * when the download finishes.
1875      *
1876      * @param file          {@link OCFile} to download and preview.
1877      */
1878     public void startDownloadForSending(OCFile file) {
1879         mWaitingToSend = file;
1880         requestForDownload(mWaitingToSend);
1881         boolean hasSecondFragment = (getSecondFragment()!= null);
1882         updateFragmentsVisibility(hasSecondFragment);
1883     }
1884
1885     /**
1886      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1887      *
1888      * @param file                      Image {@link OCFile} to show.
1889      */
1890     public void startImagePreview(OCFile file) {
1891         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1892         showDetailsIntent.putExtra(EXTRA_FILE, file);
1893         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1894         startActivity(showDetailsIntent);
1895
1896     }
1897
1898     /**
1899      * Stars the preview of an already down media {@link OCFile}.
1900      *
1901      * @param file                      Media {@link OCFile} to preview.
1902      * @param startPlaybackPosition     Media position where the playback will be started,
1903      *                                  in milliseconds.
1904      * @param autoplay                  When 'true', the playback will start without user
1905      *                                  interactions.
1906      */
1907     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1908         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1909                 autoplay);
1910         setSecondFragment(mediaFragment);
1911         updateFragmentsVisibility(true);
1912         updateNavigationElementsInActionBar(file);
1913         setFile(file);
1914     }
1915
1916     /**
1917      * Requests the download of the received {@link OCFile} , updates the UI
1918      * to monitor the download progress and prepares the activity to preview
1919      * or open the file when the download finishes.
1920      *
1921      * @param file          {@link OCFile} to download and preview.
1922      */
1923     public void startDownloadForPreview(OCFile file) {
1924         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1925         setSecondFragment(detailFragment);
1926         mWaitingToPreview = file;
1927         requestForDownload();
1928         updateFragmentsVisibility(true);
1929         updateNavigationElementsInActionBar(file);
1930         setFile(file);
1931     }
1932
1933
1934     public void cancelTransference(OCFile file) {
1935         getFileOperationsHelper().cancelTransference(file);
1936         if (mWaitingToPreview != null &&
1937                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1938             mWaitingToPreview = null;
1939         }
1940         if (mWaitingToSend != null &&
1941                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1942             mWaitingToSend = null;
1943         }
1944         onTransferStateChanged(file, false, false);
1945     }
1946
1947     @Override
1948     public void onRefresh(boolean ignoreETag) {
1949         refreshList(ignoreETag);
1950     }
1951
1952     @Override
1953     public void onRefresh() {
1954         refreshList(true);
1955     }
1956
1957     private void refreshList(boolean ignoreETag) {
1958         OCFileListFragment listOfFiles = getListOfFilesFragment();
1959         if (listOfFiles != null) {
1960             OCFile folder = listOfFiles.getCurrentFile();
1961             if (folder != null) {
1962                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1963                 listDirectory(mFile);*/
1964                 startSyncFolderOperation(folder, ignoreETag);
1965             }
1966         }
1967     }
1968
1969     private void sortByDate(boolean ascending){
1970         getListOfFilesFragment().sortByDate(ascending);
1971     }
1972
1973     private void sortBySize(boolean ascending){
1974         getListOfFilesFragment().sortBySize(ascending);
1975     }
1976
1977     private void sortByName(boolean ascending){
1978         getListOfFilesFragment().sortByName(ascending);
1979     }
1980
1981     public void restart(){
1982         Intent i = new Intent(this, FileDisplayActivity.class);
1983         i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
1984         startActivity(i);
1985     }
1986
1987     public void closeDrawer() {
1988         mDrawerLayout.closeDrawers();
1989     }
1990
1991     private class DrawerItemClickListener implements ListView.OnItemClickListener {
1992         @Override
1993         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
1994             if (mShowAccounts && position > 0){
1995                 position = position - 1;
1996             }
1997             switch (position){
1998                 case 0: // Accounts
1999                     mShowAccounts = !mShowAccounts;
2000                     mNavigationDrawerAdapter.setShowAccounts(mShowAccounts);
2001                     mNavigationDrawerAdapter.notifyDataSetChanged();
2002                     break;
2003
2004                 case 1: // All Files
2005                     // TODO Enable when "On Device" is recovered ?
2006                     //MainApp.showOnlyFilesOnDevice(false);
2007                     mDrawerLayout.closeDrawers();
2008                     break;
2009
2010                 // TODO Enable when "On Device" is recovered ?
2011 //                case 2:
2012 //                    MainApp.showOnlyFilesOnDevice(true);
2013 //                    mDrawerLayout.closeDrawers();
2014 //                    break;
2015
2016                 case 2: // Settings
2017                     Intent settingsIntent = new Intent(getApplicationContext(),
2018                             Preferences.class);
2019                     startActivity(settingsIntent);
2020                     break;
2021
2022                 case 3: // Logs
2023                     Intent loggerIntent = new Intent(getApplicationContext(),
2024                             LogHistoryActivity.class);
2025                     startActivity(loggerIntent);
2026                     break;
2027             }
2028         }
2029     }
2030 }