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.os.Parcelable;
  30 import android.support.v7.app.AlertDialog;
  31 import android.content.BroadcastReceiver;
  32 import android.content.ComponentName;
  33 import android.content.ContentResolver;
  34 import android.content.Context;
  35 import android.content.DialogInterface;
  36 import android.content.Intent;
  37 import android.content.IntentFilter;
  38 import android.content.ServiceConnection;
  39 import android.content.SharedPreferences;
  40 import android.content.SyncRequest;
  41 import android.content.res.Resources.NotFoundException;
  42 import android.database.Cursor;
  43 import android.net.Uri;
  44 import android.os.Build;
  45 import android.os.Bundle;
  46 import android.os.IBinder;
  47 import android.preference.PreferenceManager;
  48 import android.provider.OpenableColumns;
  49 import android.support.v4.app.Fragment;
  50 import android.support.v4.app.FragmentManager;
  51 import android.support.v4.app.FragmentTransaction;
  52 import android.support.v4.content.ContextCompat;
  53 import android.support.v4.view.GravityCompat;
  54 import android.view.Menu;
  55 import android.view.MenuInflater;
  56 import android.view.MenuItem;
  57 import android.view.View;
  58 import android.widget.ProgressBar;
  59 import android.widget.RelativeLayout;
  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.FileDataStorageManager;
  66 import com.owncloud.android.datamodel.OCFile;
  67 import com.owncloud.android.files.services.FileDownloader;
  68 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  69 import com.owncloud.android.files.services.FileUploader;
  70 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  71 import com.owncloud.android.lib.common.OwnCloudAccount;
  72 import com.owncloud.android.lib.common.OwnCloudClient;
  73 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  74 import com.owncloud.android.lib.common.OwnCloudCredentials;
  75 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  76 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  77 import com.owncloud.android.lib.common.operations.RemoteOperation;
  78 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  79 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  80 import com.owncloud.android.lib.common.utils.Log_OC;
  81 import com.owncloud.android.operations.CopyFileOperation;
  82 import com.owncloud.android.operations.CreateFolderOperation;
  83 import com.owncloud.android.operations.CreateShareOperation;
  84 import com.owncloud.android.operations.MoveFileOperation;
  85 import com.owncloud.android.operations.RefreshFolderOperation;
  86 import com.owncloud.android.operations.RemoveFileOperation;
  87 import com.owncloud.android.operations.RenameFileOperation;
  88 import com.owncloud.android.operations.SynchronizeFileOperation;
  89 import com.owncloud.android.operations.UnshareLinkOperation;
  90 import com.owncloud.android.services.observer.FileObserverService;
  91 import com.owncloud.android.syncadapter.FileSyncAdapter;
  92 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  93 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  94 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  95 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  96 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
  97 import com.owncloud.android.ui.fragment.FileDetailFragment;
  98 import com.owncloud.android.ui.fragment.FileFragment;
  99 import com.owncloud.android.ui.fragment.OCFileListFragment;
 100 import com.owncloud.android.ui.preview.PreviewImageActivity;
 101 import com.owncloud.android.ui.preview.PreviewImageFragment;
 102 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 103 import com.owncloud.android.ui.preview.PreviewTextFragment;
 104 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 105 import com.owncloud.android.utils.DisplayUtils;
 106 import com.owncloud.android.utils.ErrorMessageAdapter;
 107 import com.owncloud.android.utils.FileStorageUtils;
 108 import com.owncloud.android.utils.UriUtils;
 109
 110 import java.io.File;
 111 import java.util.ArrayList;
 112 import java.util.Iterator;
 113
 114 /**
 115  * Displays, what files the user has available in his ownCloud.
 116  */
 117
 118 public class FileDisplayActivity extends HookActivity
 119         implements FileFragment.ContainerActivity,
 120         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 121
 122
 123
 124     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 125     private UploadFinishReceiver mUploadFinishReceiver;
 126     private DownloadFinishReceiver mDownloadFinishReceiver;
 127     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 128
 129     private boolean mDualPane;
 130     private View mLeftFragmentContainer;
 131     private View mRightFragmentContainer;
 132     private ProgressBar mProgressBar;
 133
 134     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 135     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 136     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 137
 138     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 139
 140     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 141     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 142     public static final int ACTION_MOVE_FILES = 3;
 143     public static final int ACTION_COPY_FILES = 4;
 144
 145     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 146
 147     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 148     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 149
 150     private OCFile mWaitingToPreview;
 151
 152     private boolean mSyncInProgress = false;
 153
 154     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 155     public static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 156     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 157     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 158
 159     private OCFile mWaitingToSend;
 160     private Menu mOptionsMenu;
 161
 162
 163     @Override
 164     protected void onCreate(Bundle savedInstanceState) {
 165         Log_OC.v(TAG, "onCreate() start");
 166
 167         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account
 168                                             // is valid
 169
 170         /// grant that FileObserverService is watching favorite files
 171         if (savedInstanceState == null) {
 172             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 173             startService(initObserversIntent);
 174         }
 175
 176         /// Load of saved instance state
 177         if(savedInstanceState != null) {
 178             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(
 179                     FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 180             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 181             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(
 182                     FileDisplayActivity.KEY_WAITING_TO_SEND);
 183         } else {
 184             mWaitingToPreview = null;
 185             mSyncInProgress = false;
 186             mWaitingToSend = null;
 187         }
 188
 189         /// USER INTERFACE
 190
 191         // Inflate and set the layout view
 192         setContentView(R.layout.files);
 193
 194         // Navigation Drawer
 195         initDrawer();
 196
 197         mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
 198         mProgressBar.setIndeterminateDrawable(
 199                 ContextCompat.getDrawable(this,
 200                         R.drawable.actionbar_progress_indeterminate_horizontal));
 201
 202         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 203         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 204         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 205         if (savedInstanceState == null) {
 206             createMinFragments();
 207         }
 208
 209         // Action bar setup
 210         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 211                                                                 // according to the official
 212                                                                 // documentation
 213
 214         // enable ActionBar app icon to behave as action to toggle nav drawer
 215         //getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 216         getSupportActionBar().setHomeButtonEnabled(true);
 217
 218         mProgressBar.setIndeterminate(mSyncInProgress);
 219         // always AFTER setContentView(...) ; to work around bug in its implementation
 220
 221         setBackgroundText();
 222
 223         Log_OC.v(TAG, "onCreate() end");
 224     }
 225
 226     @Override
 227     protected void onStart() {
 228         Log_OC.v(TAG, "onStart() start");
 229         super.onStart();
 230         Log_OC.v(TAG, "onStart() end");
 231     }
 232
 233     @Override
 234     protected void onDestroy() {
 235         Log_OC.v(TAG, "onDestroy() start");
 236         super.onDestroy();
 237         Log_OC.v(TAG, "onDestroy() end");
 238     }
 239
 240     /**
 241      * Called when the ownCloud {@link Account} associated to the Activity was just updated.
 242      */
 243     @Override
 244     protected void onAccountSet(boolean stateWasRecovered) {
 245         super.onAccountSet(stateWasRecovered);
 246         if (getAccount() != null) {
 247             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 248             // current Account
 249             OCFile file = getFile();
 250             // get parent from path
 251             String parentPath = "";
 252             if (file != null) {
 253                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 254                     // upload in progress - right now, files are not inserted in the local
 255                     // cache until the upload is successful get parent from path
 256                     parentPath = file.getRemotePath().substring(0,
 257                             file.getRemotePath().lastIndexOf(file.getFileName()));
 258                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 259                         file = null; // not able to know the directory where the file is uploading
 260                 } else {
 261                     file = getStorageManager().getFileByPath(file.getRemotePath());
 262                     // currentDir = null if not in the current Account
 263                 }
 264             }
 265             if (file == null) {
 266                 // fall back to root folder
 267                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 268             }
 269             setFile(file);
 270
 271             if (mAccountWasSet) {
 272                 setUsernameInDrawer((RelativeLayout) findViewById(R.id.left_drawer), getAccount());
 273             }
 274
 275             if (!stateWasRecovered) {
 276                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 277                 initFragmentsWithFile();
 278                 if (file.isFolder()) {
 279                     startSyncFolderOperation(file, false);
 280                 }
 281
 282             } else {
 283                 updateFragmentsVisibility(!file.isFolder());
 284                 updateActionBarTitleAndHomeButton(file.isFolder() ? null : file);
 285             }
 286         }
 287     }
 288
 289     private void createMinFragments() {
 290         OCFileListFragment listOfFiles = new OCFileListFragment();
 291         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 292         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 293         transaction.commit();
 294     }
 295
 296     private void initFragmentsWithFile() {
 297         if (getAccount() != null && getFile() != null) {
 298             /// First fragment
 299             OCFileListFragment listOfFiles = getListOfFilesFragment();
 300             if (listOfFiles != null) {
 301                 listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 302             } else {
 303                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 304             }
 305
 306             /// Second fragment
 307             OCFile file = getFile();
 308             Fragment secondFragment = chooseInitialSecondFragment(file);
 309             if (secondFragment != null) {
 310                 setSecondFragment(secondFragment);
 311                 updateFragmentsVisibility(true);
 312                 updateActionBarTitleAndHomeButton(file);
 313
 314             } else {
 315                 cleanSecondFragment();
 316                 if (file.isDown() && PreviewTextFragment.canBePreviewed(file))
 317                     startTextPreview(file);
 318             }
 319
 320             if (DisplayUtils.isGridView(getFile(), getStorageManager())){
 321                 switchToGridView();
 322             } else {
 323                 switchToListView();
 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 if (file.isDown() && PreviewTextFragment.canBePreviewed(file)) {
 351                 secondFragment = null;
 352             } else {
 353             secondFragment = FileDetailFragment.newInstance(file, getAccount());
 354         }
 355         }
 356         return secondFragment;
 357     }
 358
 359
 360     /**
 361      * Replaces the second fragment managed by the activity with the received as
 362      * a parameter.
 363      * <p/>
 364      * Assumes never will be more than two fragments managed at the same time.
 365      *
 366      * @param fragment New second Fragment to set.
 367      */
 368     private void setSecondFragment(Fragment fragment) {
 369         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 370         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 371         transaction.commit();
 372     }
 373
 374
 375     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 376         if (mDualPane) {
 377             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 378                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 379             }
 380             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 381                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 382             }
 383
 384         } else if (existsSecondFragment) {
 385             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 386                 mLeftFragmentContainer.setVisibility(View.GONE);
 387             }
 388             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 389                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 390             }
 391
 392         } else {
 393             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 394                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 395             }
 396             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 397                 mRightFragmentContainer.setVisibility(View.GONE);
 398             }
 399         }
 400     }
 401
 402
 403     private OCFileListFragment getListOfFilesFragment() {
 404         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 405                 FileDisplayActivity.TAG_LIST_OF_FILES);
 406         if (listOfFiles != null) {
 407             return (OCFileListFragment) listOfFiles;
 408         }
 409         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 410         return null;
 411     }
 412
 413     public FileFragment getSecondFragment() {
 414         Fragment second = getSupportFragmentManager().findFragmentByTag(
 415                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 416         if (second != null) {
 417             return (FileFragment) second;
 418         }
 419         return null;
 420     }
 421
 422     protected void cleanSecondFragment() {
 423         Fragment second = getSecondFragment();
 424         if (second != null) {
 425             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 426             tr.remove(second);
 427             tr.commit();
 428         }
 429         updateFragmentsVisibility(false);
 430         updateActionBarTitleAndHomeButton(null);
 431     }
 432
 433     protected void refreshListOfFilesFragment() {
 434         OCFileListFragment fileListFragment = getListOfFilesFragment();
 435         if (fileListFragment != null) {
 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 if (PreviewTextFragment.canBePreviewed(mWaitingToPreview)) {
 470                             startTextPreview(mWaitingToPreview);
 471                             detailsFragmentChanged = true;
 472                         } else {
 473                             getFileOperationsHelper().openFile(mWaitingToPreview);
 474                         }
 475                     }
 476                     mWaitingToPreview = null;
 477                 }
 478                 if (!detailsFragmentChanged) {
 479                     detailsFragment.updateFileDetails(false, (success));
 480                 }
 481             }
 482         }
 483     }
 484
 485     @Override
 486     public boolean onPrepareOptionsMenu(Menu menu) {
 487         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 488         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 489         menu.findItem(R.id.action_sync_account).setVisible(!drawerOpen);
 490         menu.findItem(R.id.action_switch_view).setVisible(!drawerOpen);
 491
 492         return super.onPrepareOptionsMenu(menu);
 493     }
 494
 495     @Override
 496     public boolean onCreateOptionsMenu(Menu menu) {
 497         MenuInflater inflater = getMenuInflater();
 498         inflater.inflate(R.menu.main_menu, menu);
 499         menu.findItem(R.id.action_create_dir).setVisible(false);
 500         mOptionsMenu = menu;
 501
 502         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
 503
 504         changeGridIcon();
 505
 506         return true;
 507     }
 508
 509
 510     @Override
 511     public boolean onOptionsItemSelected(MenuItem item) {
 512         boolean retval = true;
 513         switch (item.getItemId()) {
 514             case R.id.action_sync_account: {
 515                 startSynchronization();
 516                 break;
 517             }
 518             case android.R.id.home: {
 519                 FileFragment second = getSecondFragment();
 520                 OCFile currentDir = getCurrentDir();
 521                 if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 522                     mDrawerLayout.closeDrawer(GravityCompat.START);
 523                 } else if((currentDir != null && currentDir.getParentId() != 0) ||
 524                         (second != null && second.getFile() != null)) {
 525                     onBackPressed();
 526
 527                 } else {
 528                     mDrawerLayout.openDrawer(GravityCompat.START);
 529                 }
 530                 break;
 531             }
 532             case R.id.action_sort: {
 533                 SharedPreferences appPreferences = PreferenceManager
 534                         .getDefaultSharedPreferences(this);
 535
 536                 // Read sorting order, default to sort by name ascending
 537                 Integer sortOrder = appPreferences
 538                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 539
 540                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 541                 builder.setTitle(R.string.actionbar_sort_title)
 542                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 543                                 new DialogInterface.OnClickListener() {
 544                             public void onClick(DialogInterface dialog, int which) {
 545                                 switch (which){
 546                                     case 0:
 547                                         sortByName(true);
 548                                         break;
 549                                     case 1:
 550                                         sortByDate(false);
 551                                         break;
 552                                 }
 553
 554                                 dialog.dismiss();
 555                             }
 556                         });
 557                 builder.create().show();
 558                 break;
 559             }
 560             case R.id.action_switch_view:{
 561                 if (isGridView()){
 562                     item.setTitle(getApplicationContext().getString(R.string.action_switch_grid_view));
 563                     item.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 564                             R.drawable.ic_view_module));
 565                     DisplayUtils.setViewMode(getFile(), false);
 566                     switchToListView();
 567                 } else {
 568                     item.setTitle(getApplicationContext().getString(R.string.action_switch_list_view));
 569                     item.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 570                             R.drawable.ic_view_list));
 571                     DisplayUtils.setViewMode(getFile(), true);
 572                     switchToGridView();
 573                 }
 574
 575                 return true;
 576             }
 577         default:
 578             retval = super.onOptionsItemSelected(item);
 579         }
 580         return retval;
 581     }
 582
 583     public void createFolder() {
 584         CreateFolderDialogFragment dialog =
 585                 CreateFolderDialogFragment.newInstance(getCurrentDir());
 586         dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 587     }
 588
 589     public void uploadLocalFilesSelected() {
 590         Intent action = new Intent(this, UploadFilesActivity.class);
 591         action.putExtra(
 592                 UploadFilesActivity.EXTRA_ACCOUNT,
 593                 getAccount()
 594         );
 595         startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 596     }
 597
 598     public void uploadFromOtherAppsSelected() {
 599         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 600         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 601         //Intent.EXTRA_ALLOW_MULTIPLE is only supported on api level 18+, Jelly Bean
 602         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 603             action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 604         }
 605         startActivityForResult(
 606                 Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 607                 ACTION_SELECT_CONTENT_FROM_APPS
 608         );
 609     }
 610
 611     private void startSynchronization() {
 612         Log_OC.d(TAG, "Got to start sync");
 613         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 614             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 615             ContentResolver.cancelSync(null, MainApp.getAuthority());
 616             // cancel the current synchronizations of any ownCloud account
 617             Bundle bundle = new Bundle();
 618             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 619             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 620             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 621                     MainApp.getAuthority());
 622             ContentResolver.requestSync(
 623                     getAccount(),
 624                     MainApp.getAuthority(), bundle);
 625         } else {
 626             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 627                     MainApp.getAuthority() + " with new API");
 628             SyncRequest.Builder builder = new SyncRequest.Builder();
 629             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 630             builder.setExpedited(true);
 631             builder.setManual(true);
 632             builder.syncOnce();
 633
 634             // Fix bug in Android Lollipop when you click on refresh the whole account
 635             Bundle extras = new Bundle();
 636             builder.setExtras(extras);
 637
 638             SyncRequest request = builder.build();
 639             ContentResolver.requestSync(request);
 640         }
 641     }
 642
 643     /**
 644      * Called, when the user selected something for uploading
 645      *
 646      */
 647     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 648     @Override
 649     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 650
 651         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 652                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 653             //getClipData is only supported on api level 16+, Jelly Bean
 654             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 655                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 656                     Intent intent = new Intent();
 657                     intent.setData(data.getClipData().getItemAt(i).getUri());
 658                     requestSimpleUpload(intent, resultCode);
 659                 }
 660             }else {
 661                 requestSimpleUpload(data, resultCode);
 662             }
 663         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 664                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 665             requestMultipleUpload(data, resultCode);
 666
 667         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 668             final Intent fData = data;
 669             final int fResultCode = resultCode;
 670             getHandler().postDelayed(
 671                     new Runnable() {
 672                         @Override
 673                         public void run() {
 674                             requestMoveOperation(fData, fResultCode);
 675                         }
 676                     },
 677                     DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 678             );
 679
 680         } else if (requestCode == ACTION_COPY_FILES && resultCode == RESULT_OK) {
 681
 682             final Intent fData = data;
 683             final int fResultCode = resultCode;
 684             getHandler().postDelayed(
 685                     new Runnable() {
 686                         @Override
 687                         public void run() {
 688                             requestCopyOperation(fData, fResultCode);
 689                         }
 690                     },
 691                     DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 692             );
 693
 694         } else {
 695             super.onActivityResult(requestCode, resultCode, data);
 696         }
 697
 698     }
 699
 700     private void requestMultipleUpload(Intent data, int resultCode) {
 701         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 702         if (filePaths != null) {
 703             String[] remotePaths = new String[filePaths.length];
 704             String remotePathBase = getCurrentDir().getRemotePath();
 705             for (int j = 0; j< remotePaths.length; j++) {
 706                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 707             }
 708
 709             Intent i = new Intent(this, FileUploader.class);
 710             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 711             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 712             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 713             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 714             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 715                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 716             startService(i);
 717
 718         } else {
 719             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 720             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 721                     Toast.LENGTH_LONG);
 722             t.show();
 723             return;
 724         }
 725     }
 726
 727
 728     private void requestSimpleUpload(Intent data, int resultCode) {
 729         String filePath = null;
 730         String mimeType = null;
 731
 732         Uri selectedImageUri = data.getData();
 733
 734         try {
 735             mimeType = getContentResolver().getType(selectedImageUri);
 736
 737             String fileManagerString = selectedImageUri.getPath();
 738             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 739
 740             if (selectedImagePath != null)
 741                 filePath = selectedImagePath;
 742             else
 743                 filePath = fileManagerString;
 744
 745         } catch (Exception e) {
 746             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 747                     "Intent.ACTION_GET_CONTENT", e);
 748
 749         } finally {
 750             if (filePath == null) {
 751                 Log_OC.e(TAG, "Couldn't resolve path to file");
 752                 Toast t = Toast.makeText(
 753                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 754                         Toast.LENGTH_LONG
 755                 );
 756                 t.show();
 757                 return;
 758             }
 759         }
 760
 761         Intent i = new Intent(this, FileUploader.class);
 762         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 763         OCFile currentDir = getCurrentDir();
 764         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 765
 766         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 767             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 768             try {
 769                 if (cursor != null && cursor.moveToFirst()) {
 770                     String displayName = cursor.getString(cursor.getColumnIndex(
 771                             OpenableColumns.DISPLAY_NAME));
 772                     Log_OC.v(TAG, "Display Name: " + displayName );
 773
 774                     displayName.replace(File.separatorChar, '_');
 775                     displayName.replace(File.pathSeparatorChar, '_');
 776                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 777
 778                 }
 779                 // and what happens in case of error?; wrong target name for the upload
 780             } finally {
 781                 cursor.close();
 782             }
 783
 784         } else {
 785             remotePath += new File(filePath).getName();
 786         }
 787
 788         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 789         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 790         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 791         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 792         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 793         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 794         startService(i);
 795     }
 796
 797     /**
 798      * Request the operation for moving the file/folder from one path to another
 799      *
 800      * @param data       Intent received
 801      * @param resultCode Result code received
 802      */
 803     private void requestMoveOperation(Intent data, int resultCode) {
 804         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 805
 806         ArrayList<OCFile> files = data.getParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES);
 807
 808         for (Parcelable file : files) {
 809             getFileOperationsHelper().moveFile(folderToMoveAt, (OCFile) file);
 810         }
 811     }
 812
 813     /**
 814      * Request the operation for copying the file/folder from one path to another
 815      *
 816      * @param data       Intent received
 817      * @param resultCode Result code received
 818      */
 819     private void requestCopyOperation(Intent data, int resultCode) {
 820         OCFile folderToMoveAt = data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 821
 822         ArrayList<OCFile> files = data.getParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES);
 823
 824         for (Parcelable file : files) {
 825             getFileOperationsHelper().copyFile(folderToMoveAt, (OCFile) file);
 826         }
 827     }
 828
 829     @Override
 830     public void onBackPressed() {
 831         boolean isFabOpen = isFabOpen();
 832         boolean isDrawerOpen = isDrawerOpen();
 833
 834         /*
 835          * BackPressed priority/hierarchy:
 836          *    1. close drawer if opened
 837          *    2. close FAB if open (only if drawer isn't open)
 838          *    3. navigate up (only if drawer and FAB aren't open)
 839          */
 840         if(isDrawerOpen && isFabOpen) {
 841             // close drawer first
 842             super.onBackPressed();
 843         } else if(isDrawerOpen && !isFabOpen) {
 844             // close drawer
 845             super.onBackPressed();
 846         } else if (!isDrawerOpen && isFabOpen) {
 847             // close fab
 848             getListOfFilesFragment().getFabMain().collapse();
 849         } else {
 850             // all closed
 851             OCFileListFragment listOfFiles = getListOfFilesFragment();
 852             if (mDualPane || getSecondFragment() == null) {
 853                 OCFile currentDir = getCurrentDir();
 854                 if (currentDir == null || currentDir.getParentId() == FileDataStorageManager.ROOT_PARENT_ID) {
 855                     finish();
 856                     return;
 857                 }
 858                 if (listOfFiles != null) {  // should never be null, indeed
 859                     listOfFiles.onBrowseUp();
 860                 }
 861             }
 862             if (listOfFiles != null) {  // should never be null, indeed
 863                 setFile(listOfFiles.getCurrentFile());
 864             }
 865             cleanSecondFragment();
 866             changeGridIcon();
 867         }
 868     }
 869
 870     private void changeGridIcon(){
 871         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
 872         if (DisplayUtils.isGridView(getFile(), getStorageManager())){
 873             menuItem.setTitle(getApplicationContext().getString(R.string.action_switch_list_view));
 874             menuItem.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 875                     R.drawable.ic_view_list));
 876         } else {
 877             menuItem.setTitle(getApplicationContext().getString(R.string.action_switch_grid_view));
 878             menuItem.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 879                     R.drawable.ic_view_module));
 880         }
 881     }
 882
 883     @Override
 884     protected void onSaveInstanceState(Bundle outState) {
 885         // responsibility of restore is preferred in onCreate() before than in
 886         // onRestoreInstanceState when there are Fragments involved
 887         Log_OC.v(TAG, "onSaveInstanceState() start");
 888         super.onSaveInstanceState(outState);
 889         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 890         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 891         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 892         // mRefreshSharesInProgress);
 893         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 894
 895         Log_OC.v(TAG, "onSaveInstanceState() end");
 896     }
 897
 898
 899     @Override
 900     protected void onResume() {
 901         Log_OC.v(TAG, "onResume() start");
 902         super.onResume();
 903         // refresh Navigation Drawer account list
 904         mNavigationDrawerAdapter.updateAccountList();
 905
 906         // refresh list of files
 907         refreshListOfFilesFragment();
 908
 909         // Listen for sync messages
 910         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 911         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 912         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 913         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 914         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 915         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 916         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 917         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 918         // syncIntentFilter);
 919
 920         // Listen for upload messages
 921         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 922         mUploadFinishReceiver = new UploadFinishReceiver();
 923         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 924
 925         // Listen for download messages
 926         IntentFilter downloadIntentFilter = new IntentFilter(
 927                 FileDownloader.getDownloadAddedMessage());
 928         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 929         mDownloadFinishReceiver = new DownloadFinishReceiver();
 930         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 931
 932         Log_OC.v(TAG, "onResume() end");
 933
 934     }
 935
 936
 937     @Override
 938     protected void onPause() {
 939         Log_OC.v(TAG, "onPause() start");
 940         if (mSyncBroadcastReceiver != null) {
 941             unregisterReceiver(mSyncBroadcastReceiver);
 942             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 943             mSyncBroadcastReceiver = null;
 944         }
 945         if (mUploadFinishReceiver != null) {
 946             unregisterReceiver(mUploadFinishReceiver);
 947             mUploadFinishReceiver = null;
 948         }
 949         if (mDownloadFinishReceiver != null) {
 950             unregisterReceiver(mDownloadFinishReceiver);
 951             mDownloadFinishReceiver = null;
 952         }
 953
 954         super.onPause();
 955         Log_OC.v(TAG, "onPause() end");
 956     }
 957
 958     public boolean isFabOpen() {
 959         if(getListOfFilesFragment() != null && getListOfFilesFragment().getFabMain() != null && getListOfFilesFragment().getFabMain().isExpanded()) {
 960             return true;
 961         } else {
 962             return false;
 963         }
 964     }
 965
 966
 967     private class SyncBroadcastReceiver extends BroadcastReceiver {
 968
 969         /**
 970          * {@link BroadcastReceiver} to enable syncing feedback in UI
 971          */
 972         @Override
 973         public void onReceive(Context context, Intent intent) {
 974             try {
 975                 String event = intent.getAction();
 976                 Log_OC.d(TAG, "Received broadcast " + event);
 977                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 978                 String synchFolderRemotePath =
 979                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 980                 RemoteOperationResult synchResult =
 981                         (RemoteOperationResult)intent.getSerializableExtra(
 982                                 FileSyncAdapter.EXTRA_RESULT);
 983                 boolean sameAccount = (getAccount() != null &&
 984                         accountName.equals(getAccount().name) && getStorageManager() != null);
 985
 986                 if (sameAccount) {
 987
 988                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 989                         mSyncInProgress = true;
 990
 991                     } else {
 992                         OCFile currentFile = (getFile() == null) ? null :
 993                                 getStorageManager().getFileByPath(getFile().getRemotePath());
 994                         OCFile currentDir = (getCurrentDir() == null) ? null :
 995                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 996
 997                         if (currentDir == null) {
 998                             // current folder was removed from the server
 999                             Toast.makeText( FileDisplayActivity.this,
1000                                             String.format(
1001                                                     getString(R.string.
1002                                                             sync_current_folder_was_removed),
1003                                                    synchFolderRemotePath),
1004                                             Toast.LENGTH_LONG)
1005                                 .show();
1006
1007                             browseToRoot();
1008
1009                         } else {
1010                             if (currentFile == null && !getFile().isFolder()) {
1011                                 // currently selected file was removed in the server, and now we
1012                                 // know it
1013                                 cleanSecondFragment();
1014                                 currentFile = currentDir;
1015                             }
1016
1017                             if (synchFolderRemotePath != null &&
1018                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1019                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1020                                 if (fileListFragment != null) {
1021                                     fileListFragment.listDirectory(currentDir,
1022                                     MainApp.getOnlyOnDevice());
1023                                 }
1024                             }
1025                             setFile(currentFile);
1026                         }
1027
1028                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
1029                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
1030                                         .equals(event));
1031
1032                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1033                                     equals(event) &&/// TODO refactor and make common
1034
1035                                 synchResult != null && !synchResult.isSuccess() &&
1036                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED ||
1037                                         synchResult.isIdPRedirection() ||
1038                                         (synchResult.isException() && synchResult.getException()
1039                                                 instanceof AuthenticatorException))) {
1040
1041
1042                             try {
1043                                 OwnCloudClient client;
1044                                 OwnCloudAccount ocAccount =
1045                                         new OwnCloudAccount(getAccount(), context);
1046                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1047                                         removeClientFor(ocAccount));
1048                                 if (client != null) {
1049                                     OwnCloudCredentials cred = client.getCredentials();
1050                                     if (cred != null) {
1051                                         AccountManager am = AccountManager.get(context);
1052                                         if (cred.authTokenExpires()) {
1053                                             am.invalidateAuthToken(
1054                                                     getAccount().type,
1055                                                     cred.getAuthToken()
1056                                             );
1057                                         } else {
1058                                             am.clearPassword(getAccount());
1059                                         }
1060                                     }
1061                                 }
1062                                 requestCredentialsUpdate();
1063
1064                             } catch (AccountNotFoundException e) {
1065                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1066                             }
1067
1068                         }
1069                     }
1070                     removeStickyBroadcast(intent);
1071                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1072                     mProgressBar.setIndeterminate(mSyncInProgress);
1073                     //mProgressBar.setVisibility((mSyncInProgress) ? View.VISIBLE : View.INVISIBLE);
1074                     //setSupportProgressBarIndeterminateVisibility(mSyncInProgress
1075                     /*|| mRefreshSharesInProgress*/ //);
1076
1077                     setBackgroundText();
1078
1079                 }
1080
1081                 if (synchResult != null) {
1082                     if (synchResult.getCode().equals(
1083                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1084                         mLastSslUntrustedServerResult = synchResult;
1085                     }
1086                 }
1087             } catch (RuntimeException e) {
1088                 // avoid app crashes after changing the serial id of RemoteOperationResult
1089                 // in owncloud library with broadcast notifications pending to process
1090                 removeStickyBroadcast(intent);
1091             }
1092         }
1093     }
1094
1095     /**
1096      * Show a text message on screen view for notifying user if content is
1097      * loading or folder is empty
1098      */
1099     private void setBackgroundText() {
1100         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1101         if (ocFileListFragment != null) {
1102             int message = R.string.file_list_loading;
1103             if (!mSyncInProgress) {
1104                 // In case file list is empty
1105                 message = R.string.file_list_empty;
1106             }
1107             ocFileListFragment.setMessageForEmptyList(getString(message));
1108         } else {
1109             Log_OC.e(TAG, "OCFileListFragment is null");
1110         }
1111     }
1112
1113     /**
1114      * Once the file upload has finished -> update view
1115      */
1116     private class UploadFinishReceiver extends BroadcastReceiver {
1117         /**
1118          * Once the file upload has finished -> update view
1119          *
1120          * @author David A. Velasco
1121          * {@link BroadcastReceiver} to enable upload feedback in UI
1122          */
1123         @Override
1124         public void onReceive(Context context, Intent intent) {
1125             try {
1126                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1127                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1128                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1129                 OCFile currentDir = getCurrentDir();
1130                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1131                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1132
1133                 if (sameAccount && isDescendant) {
1134                     refreshListOfFilesFragment();
1135                 }
1136
1137                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1138                         false);
1139                 boolean renamedInUpload = getFile().getRemotePath().
1140                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1141                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1142                         renamedInUpload;
1143                 FileFragment details = getSecondFragment();
1144                 boolean detailFragmentIsShown = (details != null &&
1145                         details instanceof FileDetailFragment);
1146
1147                 if (sameAccount && sameFile && detailFragmentIsShown) {
1148                     if (uploadWasFine) {
1149                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1150                     }
1151                     if (renamedInUpload) {
1152                         String newName = (new File(uploadedRemotePath)).getName();
1153                         Toast msg = Toast.makeText(
1154                                 context,
1155                                 String.format(
1156                                         getString(R.string.filedetails_renamed_in_upload_msg),
1157                                         newName),
1158                                 Toast.LENGTH_LONG);
1159                         msg.show();
1160                     }
1161                     if (uploadWasFine || getFile().fileExists()) {
1162                         ((FileDetailFragment) details).updateFileDetails(false, true);
1163                     } else {
1164                         cleanSecondFragment();
1165                     }
1166
1167                     // Force the preview if the file is an image or text file
1168                     if (uploadWasFine) {
1169                         OCFile ocFile = getFile();
1170                         if (PreviewImageFragment.canBePreviewed(ocFile))
1171                             startImagePreview(getFile());
1172                         else if (PreviewTextFragment.canBePreviewed(ocFile))
1173                             startTextPreview(ocFile);
1174                         // TODO what about other kind of previews?
1175                     }
1176                 }
1177
1178                 mProgressBar.setIndeterminate(false);
1179             } finally {
1180                 if (intent != null) {
1181                     removeStickyBroadcast(intent);
1182                 }
1183             }
1184
1185         }
1186
1187     }
1188
1189
1190     /**
1191      * Class waiting for broadcast events from the {@link FileDownloader} service.
1192      *
1193      * Updates the UI when a download is started or finished, provided that it is relevant for the
1194      * current folder.
1195      */
1196     private class DownloadFinishReceiver extends BroadcastReceiver {
1197
1198         //int refreshCounter = 0;
1199         @Override
1200         public void onReceive(Context context, Intent intent) {
1201             try {
1202                 boolean sameAccount = isSameAccount(context, intent);
1203                 String downloadedRemotePath =
1204                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1205                 boolean isDescendant = isDescendant(downloadedRemotePath);
1206
1207                 if (sameAccount && isDescendant) {
1208                     String linkedToRemotePath =
1209                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1210                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1211                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1212                         refreshListOfFilesFragment();
1213                     }
1214                     refreshSecondFragment(
1215                             intent.getAction(),
1216                             downloadedRemotePath,
1217                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1218                     );
1219                 }
1220
1221                 if (mWaitingToSend != null) {
1222                     mWaitingToSend =
1223                             getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1224                     if (mWaitingToSend.isDown()) {
1225                         sendDownloadedFile();
1226                     }
1227                 }
1228
1229             } finally {
1230                 if (intent != null) {
1231                     removeStickyBroadcast(intent);
1232                 }
1233             }
1234         }
1235
1236         private boolean isDescendant(String downloadedRemotePath) {
1237             OCFile currentDir = getCurrentDir();
1238             return (
1239                 currentDir != null &&
1240                 downloadedRemotePath != null &&
1241                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1242             );
1243         }
1244
1245         private boolean isAscendant(String linkedToRemotePath) {
1246             OCFile currentDir = getCurrentDir();
1247             return (
1248                 currentDir != null &&
1249                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1250             );
1251         }
1252
1253         private boolean isSameAccount(Context context, Intent intent) {
1254             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1255             return (accountName != null && getAccount() != null &&
1256                     accountName.equals(getAccount().name));
1257         }
1258     }
1259
1260
1261     public void browseToRoot() {
1262         OCFileListFragment listOfFiles = getListOfFilesFragment();
1263         if (listOfFiles != null) {  // should never be null, indeed
1264             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1265             listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1266             setFile(listOfFiles.getCurrentFile());
1267             startSyncFolderOperation(root, false);
1268         }
1269         cleanSecondFragment();
1270     }
1271
1272
1273     /**
1274      * {@inheritDoc}
1275      * <p/>
1276      * Updates action bar and second fragment, if in dual pane mode.
1277      */
1278     @Override
1279     public void onBrowsedDownTo(OCFile directory) {
1280         setFile(directory);
1281         cleanSecondFragment();
1282         // Sync Folder
1283         startSyncFolderOperation(directory, false);
1284
1285         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
1286
1287         changeGridIcon();
1288         if (DisplayUtils.isGridView(directory, getStorageManager())){
1289             switchToGridView();
1290         } else {
1291             switchToListView();
1292         }
1293     }
1294
1295     /**
1296      * Shows the information of the {@link OCFile} received as a
1297      * parameter in the second fragment.
1298      *
1299      * @param file {@link OCFile} whose details will be shown
1300      */
1301     @Override
1302     public void showDetails(OCFile file) {
1303         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1304         setSecondFragment(detailFragment);
1305         updateFragmentsVisibility(true);
1306         updateActionBarTitleAndHomeButton(file);
1307         setFile(file);
1308     }
1309
1310     @Override
1311     protected void updateActionBarTitleAndHomeButton(OCFile chosenFile) {
1312         if (mDualPane) {
1313             // in dual pane mode, keep the focus of title an action bar in the current folder
1314             super.updateActionBarTitleAndHomeButton(getCurrentDir());
1315
1316         } else {
1317             super.updateActionBarTitleAndHomeButton(chosenFile);
1318         }
1319
1320     }
1321
1322     @Override
1323     protected ServiceConnection newTransferenceServiceConnection() {
1324         return new ListServiceConnection();
1325     }
1326
1327     /**
1328      * Defines callbacks for service binding, passed to bindService()
1329      */
1330     private class ListServiceConnection implements ServiceConnection {
1331
1332         @Override
1333         public void onServiceConnected(ComponentName component, IBinder service) {
1334             if (component.equals(new ComponentName(
1335                     FileDisplayActivity.this, FileDownloader.class))) {
1336                 Log_OC.d(TAG, "Download service connected");
1337                 mDownloaderBinder = (FileDownloaderBinder) service;
1338                 if (mWaitingToPreview != null)
1339                     if (getStorageManager() != null) {
1340                          // update the file
1341                         mWaitingToPreview =
1342                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1343                         if (!mWaitingToPreview.isDown()) {
1344                             requestForDownload();
1345                         }
1346                     }
1347
1348             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1349                     FileUploader.class))) {
1350                 Log_OC.d(TAG, "Upload service connected");
1351                 mUploaderBinder = (FileUploaderBinder) service;
1352             } else {
1353                 return;
1354             }
1355             // a new chance to get the mDownloadBinder through
1356             // getFileDownloadBinder() - THIS IS A MESS
1357             OCFileListFragment listOfFiles = getListOfFilesFragment();
1358             if (listOfFiles != null) {
1359                 listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1360             }
1361             FileFragment secondFragment = getSecondFragment();
1362             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1363                 FileDetailFragment detailFragment = (FileDetailFragment) secondFragment;
1364                 detailFragment.listenForTransferProgress();
1365                 detailFragment.updateFileDetails(false, false);
1366             }
1367         }
1368
1369         @Override
1370         public void onServiceDisconnected(ComponentName component) {
1371             if (component.equals(new ComponentName(FileDisplayActivity.this,
1372                     FileDownloader.class))) {
1373                 Log_OC.d(TAG, "Download service disconnected");
1374                 mDownloaderBinder = null;
1375             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1376                     FileUploader.class))) {
1377                 Log_OC.d(TAG, "Upload service disconnected");
1378                 mUploaderBinder = null;
1379             }
1380         }
1381     }
1382
1383     @Override
1384     public void onSavedCertificate() {
1385         startSyncFolderOperation(getCurrentDir(), false);
1386     }
1387
1388
1389     @Override
1390     public void onFailedSavingCertificate() {
1391         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1392                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1393         );
1394         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1395     }
1396
1397     @Override
1398     public void onCancelCertificate() {
1399         // nothing to do
1400     }
1401
1402     /**
1403      * Updates the view associated to the activity after the finish of some operation over files
1404      * in the current account.
1405      *
1406      * @param operation Removal operation performed.
1407      * @param result    Result of the removal.
1408      */
1409     @Override
1410     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1411         super.onRemoteOperationFinish(operation, result);
1412
1413         if (operation instanceof RemoveFileOperation) {
1414             onRemoveFileOperationFinish((RemoveFileOperation) operation, result);
1415
1416         } else if (operation instanceof RenameFileOperation) {
1417             onRenameFileOperationFinish((RenameFileOperation) operation, result);
1418
1419         } else if (operation instanceof SynchronizeFileOperation) {
1420             onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
1421
1422         } else if (operation instanceof CreateFolderOperation) {
1423             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
1424
1425         } else if (operation instanceof CreateShareOperation) {
1426             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1427
1428         } else if (operation instanceof UnshareLinkOperation) {
1429             onUnshareLinkOperationFinish((UnshareLinkOperation) operation, result);
1430
1431         } else if (operation instanceof MoveFileOperation) {
1432             onMoveFileOperationFinish((MoveFileOperation) operation, result);
1433
1434         } else if (operation instanceof CopyFileOperation) {
1435             onCopyFileOperationFinish((CopyFileOperation) operation, result);
1436         }
1437
1438     }
1439     private void onCreateShareOperationFinish(CreateShareOperation operation,
1440                                               RemoteOperationResult result) {
1441         if (result.isSuccess()) {
1442             refreshShowDetails();
1443             refreshListOfFilesFragment();
1444         }
1445     }
1446
1447     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation,
1448                                               RemoteOperationResult result) {
1449         if (result.isSuccess()) {
1450             refreshShowDetails();
1451             refreshListOfFilesFragment();
1452
1453         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1454             cleanSecondFragment();
1455             refreshListOfFilesFragment();
1456         }
1457     }
1458
1459     private void refreshShowDetails() {
1460         FileFragment details = getSecondFragment();
1461         if (details != null) {
1462             OCFile file = details.getFile();
1463             if (file != null) {
1464                 file = getStorageManager().getFileByPath(file.getRemotePath());
1465                 if (details instanceof PreviewMediaFragment) {
1466                     // Refresh  OCFile of the fragment
1467                     ((PreviewMediaFragment) details).updateFile(file);
1468                 } else if (details instanceof PreviewTextFragment) {
1469                     // Refresh  OCFile of the fragment
1470                     ((PreviewTextFragment) details).updateFile(file);
1471                 } else {
1472                     showDetails(file);
1473                 }
1474             }
1475             invalidateOptionsMenu();
1476         }
1477     }
1478
1479     /**
1480      * Updates the view associated to the activity after the finish of an operation trying to
1481      * remove a file.
1482      *
1483      * @param operation     Removal operation performed.
1484      * @param result        Result of the removal.
1485      */
1486     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1487                                              RemoteOperationResult result) {
1488         dismissLoadingDialog();
1489
1490         Toast msg = Toast.makeText(this,
1491                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1492                 Toast.LENGTH_LONG);
1493         msg.show();
1494
1495         if (result.isSuccess()) {
1496             OCFile removedFile = operation.getFile();
1497             FileFragment second = getSecondFragment();
1498             if (second != null && removedFile.equals(second.getFile())) {
1499                 if (second instanceof PreviewMediaFragment) {
1500                     ((PreviewMediaFragment) second).stopPreview(true);
1501                 }
1502                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1503                 cleanSecondFragment();
1504             }
1505             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())){
1506                 refreshListOfFilesFragment();
1507             }
1508             invalidateOptionsMenu();
1509         } else {
1510             if (result.isSslRecoverableException()) {
1511                 mLastSslUntrustedServerResult = result;
1512                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1513             }
1514         }
1515     }
1516
1517
1518     /**
1519      * Updates the view associated to the activity after the finish of an operation trying to move a
1520      * file.
1521      *
1522      * @param operation Move operation performed.
1523      * @param result    Result of the move operation.
1524      */
1525     private void onMoveFileOperationFinish(MoveFileOperation operation,
1526                                            RemoteOperationResult result) {
1527         if (result.isSuccess()) {
1528             dismissLoadingDialog();
1529             refreshListOfFilesFragment();
1530         } else {
1531             dismissLoadingDialog();
1532             try {
1533                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1534                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1535                         Toast.LENGTH_LONG);
1536                 msg.show();
1537
1538             } catch (NotFoundException e) {
1539                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1540             }
1541         }
1542     }
1543
1544     /**
1545      * Updates the view associated to the activity after the finish of an operation trying to copy a
1546      * file.
1547      *
1548      * @param operation Copy operation performed.
1549      * @param result    Result of the copy operation.
1550      */
1551     private void onCopyFileOperationFinish(CopyFileOperation operation, RemoteOperationResult result) {
1552         if (result.isSuccess()) {
1553             dismissLoadingDialog();
1554             refreshListOfFilesFragment();
1555         } else {
1556             dismissLoadingDialog();
1557             try {
1558                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1559                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1560                         Toast.LENGTH_LONG);
1561                 msg.show();
1562
1563             } catch (NotFoundException e) {
1564                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1565             }
1566         }
1567     }
1568
1569     /**
1570      * Updates the view associated to the activity after the finish of an operation trying to rename
1571      * a file.
1572      *
1573      * @param operation     Renaming operation performed.
1574      * @param result        Result of the renaming.
1575      */
1576     private void onRenameFileOperationFinish(RenameFileOperation operation,
1577                                              RemoteOperationResult result) {
1578         dismissLoadingDialog();
1579         OCFile renamedFile = operation.getFile();
1580         if (result.isSuccess()) {
1581             FileFragment details = getSecondFragment();
1582             if (details != null) {
1583                 if (details instanceof FileDetailFragment &&
1584                         renamedFile.equals(details.getFile()) ) {
1585                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1586                     showDetails(renamedFile);
1587
1588                 } else if (details instanceof PreviewMediaFragment &&
1589                         renamedFile.equals(details.getFile())) {
1590                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1591                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1592                         int position = ((PreviewMediaFragment) details).getPosition();
1593                         startMediaPreview(renamedFile, position, true);
1594                     } else {
1595                         getFileOperationsHelper().openFile(renamedFile);
1596                     }
1597                 } else if (details instanceof PreviewTextFragment &&
1598                         renamedFile.equals(details.getFile())) {
1599                     ((PreviewTextFragment) details).updateFile(renamedFile);
1600                     if (PreviewTextFragment.canBePreviewed(renamedFile)) {
1601                         startTextPreview(renamedFile);
1602                     } else {
1603                         getFileOperationsHelper().openFile(renamedFile);
1604                     }
1605                 }
1606             }
1607
1608             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1609                 refreshListOfFilesFragment();
1610             }
1611
1612         } else {
1613             Toast msg = Toast.makeText(this,
1614                     ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1615                     Toast.LENGTH_LONG);
1616             msg.show();
1617
1618             if (result.isSslRecoverableException()) {
1619                 mLastSslUntrustedServerResult = result;
1620                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1621             }
1622         }
1623     }
1624
1625     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
1626                                                   RemoteOperationResult result) {
1627         if (result.isSuccess()) {
1628             if (operation.transferWasRequested()) {
1629                 OCFile syncedFile = operation.getLocalFile();
1630                 onTransferStateChanged(syncedFile, true, true);
1631                 invalidateOptionsMenu();
1632                 refreshShowDetails();
1633             }
1634         }
1635     }
1636
1637     /**
1638      * Updates the view associated to the activity after the finish of an operation trying create a
1639      * new folder
1640      *
1641      * @param operation     Creation operation performed.
1642      * @param result        Result of the creation.
1643      */
1644     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1645                                                RemoteOperationResult result) {
1646         if (result.isSuccess()) {
1647             dismissLoadingDialog();
1648             refreshListOfFilesFragment();
1649         } else {
1650             dismissLoadingDialog();
1651             try {
1652                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1653                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1654                         Toast.LENGTH_LONG);
1655                 msg.show();
1656
1657             } catch (NotFoundException e) {
1658                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1659             }
1660         }
1661     }
1662
1663
1664     /**
1665      * {@inheritDoc}
1666      */
1667     @Override
1668     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1669         refreshListOfFilesFragment();
1670         FileFragment details = getSecondFragment();
1671         if (details != null && details instanceof FileDetailFragment &&
1672                 file.equals(details.getFile()) ) {
1673             if (downloading || uploading) {
1674                 ((FileDetailFragment) details).updateFileDetails(file, getAccount());
1675             } else {
1676                 if (!file.fileExists()) {
1677                     cleanSecondFragment();
1678                 } else {
1679                     ((FileDetailFragment) details).updateFileDetails(false, true);
1680                 }
1681             }
1682         }
1683
1684     }
1685
1686
1687     private void requestForDownload() {
1688         Account account = getAccount();
1689         //if (!mWaitingToPreview.isDownloading()) {
1690         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1691             Intent i = new Intent(this, FileDownloader.class);
1692             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1693             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1694             startService(i);
1695         }
1696     }
1697
1698
1699     private OCFile getCurrentDir() {
1700         OCFile file = getFile();
1701         if (file != null) {
1702             if (file.isFolder()) {
1703                 return file;
1704             } else if (getStorageManager() != null) {
1705                 String parentPath = file.getRemotePath().substring(0,
1706                         file.getRemotePath().lastIndexOf(file.getFileName()));
1707                 return getStorageManager().getFileByPath(parentPath);
1708             }
1709         }
1710         return null;
1711     }
1712
1713     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1714         long currentSyncTime = System.currentTimeMillis();
1715
1716         mSyncInProgress = true;
1717
1718         // perform folder synchronization
1719         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1720                 currentSyncTime,
1721                 false,
1722                 getFileOperationsHelper().isSharedSupported(),
1723                 ignoreETag,
1724                 getStorageManager(),
1725                 getAccount(),
1726                 getApplicationContext()
1727         );
1728         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1729
1730         mProgressBar.setIndeterminate(true);
1731
1732         setBackgroundText();
1733     }
1734
1735     /**
1736      * Show untrusted cert dialog
1737      */
1738     public void showUntrustedCertDialog(RemoteOperationResult result) {
1739         // Show a dialog with the certificate info
1740         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1741                 (CertificateCombinedException) result.getException());
1742         FragmentManager fm = getSupportFragmentManager();
1743         FragmentTransaction ft = fm.beginTransaction();
1744         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1745     }
1746
1747     private void requestForDownload(OCFile file) {
1748         Account account = getAccount();
1749         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1750             Intent i = new Intent(this, FileDownloader.class);
1751             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1752             i.putExtra(FileDownloader.EXTRA_FILE, file);
1753             startService(i);
1754         }
1755     }
1756
1757     private void sendDownloadedFile() {
1758         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1759         mWaitingToSend = null;
1760     }
1761
1762
1763     /**
1764      * Requests the download of the received {@link OCFile} , updates the UI
1765      * to monitor the download progress and prepares the activity to send the file
1766      * when the download finishes.
1767      *
1768      * @param file {@link OCFile} to download and preview.
1769      */
1770     public void startDownloadForSending(OCFile file) {
1771         mWaitingToSend = file;
1772         requestForDownload(mWaitingToSend);
1773         boolean hasSecondFragment = (getSecondFragment() != null);
1774         updateFragmentsVisibility(hasSecondFragment);
1775     }
1776
1777     /**
1778      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1779      *
1780      * @param file Image {@link OCFile} to show.
1781      */
1782     public void startImagePreview(OCFile file) {
1783         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1784         showDetailsIntent.putExtra(EXTRA_FILE, file);
1785         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1786         startActivity(showDetailsIntent);
1787     }
1788
1789     /**
1790      * Stars the preview of an already down media {@link OCFile}.
1791      *
1792      * @param file                      Media {@link OCFile} to preview.
1793      * @param startPlaybackPosition     Media position where the playback will be started,
1794      *                                  in milliseconds.
1795      * @param autoplay                  When 'true', the playback will start without user
1796      *                                  interactions.
1797      */
1798     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1799         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1800                 autoplay);
1801         setSecondFragment(mediaFragment);
1802         updateFragmentsVisibility(true);
1803         updateActionBarTitleAndHomeButton(file);
1804         setFile(file);
1805     }
1806
1807     /**
1808      * Stars the preview of a text file {@link OCFile}.
1809      *
1810      * @param file Text {@link OCFile} to preview.
1811      */
1812     public void startTextPreview(OCFile file) {
1813         Bundle args = new Bundle();
1814         args.putParcelable(EXTRA_FILE, file);
1815         args.putParcelable(EXTRA_ACCOUNT, getAccount());
1816         Fragment textPreviewFragment = Fragment.instantiate(getApplicationContext(),
1817                 PreviewTextFragment.class.getName(), args);
1818         setSecondFragment(textPreviewFragment);
1819         updateFragmentsVisibility(true);
1820         //updateNavigationElementsInActionBar(file);
1821         setFile(file);
1822     }
1823
1824     /**
1825      * Requests the download of the received {@link OCFile} , updates the UI
1826      * to monitor the download progress and prepares the activity to preview
1827      * or open the file when the download finishes.
1828      *
1829      * @param file {@link OCFile} to download and preview.
1830      */
1831     public void startDownloadForPreview(OCFile file) {
1832         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1833         setSecondFragment(detailFragment);
1834         mWaitingToPreview = file;
1835         requestForDownload();
1836         updateFragmentsVisibility(true);
1837         updateActionBarTitleAndHomeButton(file);
1838         setFile(file);
1839     }
1840
1841
1842     public void cancelTransference(OCFile file) {
1843         getFileOperationsHelper().cancelTransference(file);
1844         if (mWaitingToPreview != null &&
1845                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1846             mWaitingToPreview = null;
1847         }
1848         if (mWaitingToSend != null &&
1849                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1850             mWaitingToSend = null;
1851         }
1852         onTransferStateChanged(file, false, false);
1853     }
1854
1855     @Override
1856     public void onRefresh(boolean ignoreETag) {
1857         refreshList(ignoreETag);
1858     }
1859
1860     @Override
1861     public void onRefresh() {
1862         refreshList(true);
1863     }
1864
1865     private void refreshList(boolean ignoreETag) {
1866         OCFileListFragment listOfFiles = getListOfFilesFragment();
1867         if (listOfFiles != null) {
1868             OCFile folder = listOfFiles.getCurrentFile();
1869             if (folder != null) {
1870                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1871                 listDirectory(mFile);*/
1872                 startSyncFolderOperation(folder, ignoreETag);
1873             }
1874         }
1875     }
1876
1877     private void sortByDate(boolean ascending) {
1878         getListOfFilesFragment().sortByDate(ascending);
1879     }
1880
1881     private void sortBySize(boolean ascending) {
1882         getListOfFilesFragment().sortBySize(ascending);
1883     }
1884
1885     private void sortByName(boolean ascending) {
1886         getListOfFilesFragment().sortByName(ascending);
1887     }
1888     private boolean isGridView(){ return getListOfFilesFragment().isGridView(); }
1889     private void switchToGridView() {
1890         getListOfFilesFragment().switchToGridView();
1891     }
1892     private void switchToListView() {
1893         getListOfFilesFragment().switchToListView();
1894     }
1895
1896    public void allFilesOption() {
1897        browseToRoot();
1898    }
1899
1900     public void refreshDirectory(){
1901         getListOfFilesFragment().refreshDirectory();
1902     }
1903 }