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