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