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.support.v7.app.AlertDialog;
  55 import android.view.Menu;
  56 import android.view.MenuInflater;
  57 import android.view.MenuItem;
  58 import android.view.View;
  59 import android.widget.ProgressBar;
  60 import android.widget.RelativeLayout;
  61 import android.widget.TextView;
  62 import android.widget.Toast;
  63
  64 import com.owncloud.android.MainApp;
  65 import com.owncloud.android.R;
  66 import com.owncloud.android.datamodel.FileDataStorageManager;
  67 import com.owncloud.android.datamodel.OCFile;
  68 import com.owncloud.android.files.services.FileDownloader;
  69 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  70 import com.owncloud.android.files.services.FileUploader;
  71 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  72 import com.owncloud.android.lib.common.OwnCloudAccount;
  73 import com.owncloud.android.lib.common.OwnCloudClient;
  74 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  75 import com.owncloud.android.lib.common.OwnCloudCredentials;
  76 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  77 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  78 import com.owncloud.android.lib.common.operations.RemoteOperation;
  79 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  81 import com.owncloud.android.lib.common.utils.Log_OC;
  82 import com.owncloud.android.operations.CopyFileOperation;
  83 import com.owncloud.android.operations.CreateFolderOperation;
  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.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.PreviewTextFragment;
 103 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 104 import com.owncloud.android.utils.DisplayUtils;
 105 import com.owncloud.android.utils.ErrorMessageAdapter;
 106 import com.owncloud.android.utils.FileStorageUtils;
 107 import com.owncloud.android.utils.UriUtils;
 108
 109 import java.io.File;
 110 import java.util.ArrayList;
 111 import java.util.Iterator;
 112
 113 /**
 114  * Displays, what files the user has available in his ownCloud.
 115  */
 116
 117 public class FileDisplayActivity extends HookActivity
 118         implements FileFragment.ContainerActivity,
 119         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 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     private ProgressBar mProgressBar;
 130
 131     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 132     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 133     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 134
 135     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 136
 137     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 138     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 139     public static final int ACTION_MOVE_FILES = 3;
 140     public static final int ACTION_COPY_FILES = 4;
 141
 142     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 143
 144     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 145     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 146
 147     private OCFile mWaitingToPreview;
 148
 149     private boolean mSyncInProgress = false;
 150
 151     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 152     public static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 153     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 154     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 155
 156     private OCFile mWaitingToSend;
 157     private Menu mOptionsMenu;
 158
 159
 160     @Override
 161     protected void onCreate(Bundle savedInstanceState) {
 162         Log_OC.v(TAG, "onCreate() start");
 163
 164         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account
 165                                             // is valid
 166
 167         /// grant that FileObserverService is watching favorite files
 168         if (savedInstanceState == null) {
 169             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 170             startService(initObserversIntent);
 171         }
 172
 173         /// Load of saved instance state
 174         if(savedInstanceState != null) {
 175             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(
 176                     FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 177             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 178             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(
 179                     FileDisplayActivity.KEY_WAITING_TO_SEND);
 180         } else {
 181             mWaitingToPreview = null;
 182             mSyncInProgress = false;
 183             mWaitingToSend = null;
 184         }
 185
 186         /// USER INTERFACE
 187
 188         // Inflate and set the layout view
 189         setContentView(R.layout.files);
 190
 191         // Navigation Drawer
 192         initDrawer();
 193
 194         mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
 195         mProgressBar.setIndeterminateDrawable(
 196                 ContextCompat.getDrawable(this,
 197                         R.drawable.actionbar_progress_indeterminate_horizontal));
 198
 199         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 200         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 201         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 202         if (savedInstanceState == null) {
 203             createMinFragments();
 204         }
 205
 206         // Action bar setup
 207         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 208                                                                 // according to the official
 209                                                                 // documentation
 210
 211         // enable ActionBar app icon to behave as action to toggle nav drawer
 212         //getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 213         getSupportActionBar().setHomeButtonEnabled(true);
 214
 215         mProgressBar.setIndeterminate(mSyncInProgress);
 216         // always AFTER setContentView(...) ; to work around bug in its implementation
 217
 218         setBackgroundText();
 219
 220         Log_OC.v(TAG, "onCreate() end");
 221     }
 222
 223     @Override
 224     protected void onStart() {
 225         Log_OC.v(TAG, "onStart() start");
 226         super.onStart();
 227         Log_OC.v(TAG, "onStart() end");
 228     }
 229
 230     @Override
 231     protected void onStop() {
 232         Log_OC.v(TAG, "onStop() start");
 233         super.onStop();
 234         Log_OC.v(TAG, "onStop() end");
 235     }
 236
 237     @Override
 238     protected void onDestroy() {
 239         Log_OC.v(TAG, "onDestroy() start");
 240         super.onDestroy();
 241         Log_OC.v(TAG, "onDestroy() end");
 242     }
 243
 244     /**
 245      * Called when the ownCloud {@link Account} associated to the Activity was just updated.
 246      */
 247     @Override
 248     protected void onAccountSet(boolean stateWasRecovered) {
 249         super.onAccountSet(stateWasRecovered);
 250         if (getAccount() != null) {
 251             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 252             // current Account
 253             OCFile file = getFile();
 254             // get parent from path
 255             String parentPath = "";
 256             if (file != null) {
 257                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 258                     // upload in progress - right now, files are not inserted in the local
 259                     // cache until the upload is successful get parent from path
 260                     parentPath = file.getRemotePath().substring(0,
 261                             file.getRemotePath().lastIndexOf(file.getFileName()));
 262                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 263                         file = null; // not able to know the directory where the file is uploading
 264                 } else {
 265                     file = getStorageManager().getFileByPath(file.getRemotePath());
 266                     // currentDir = null if not in the current Account
 267                 }
 268             }
 269             if (file == null) {
 270                 // fall back to root folder
 271                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 272             }
 273             setFile(file);
 274
 275             if (mAccountWasSet) {
 276                 setUsernameInDrawer((RelativeLayout) findViewById(R.id.left_drawer), getAccount());
 277             }
 278
 279             if (!stateWasRecovered) {
 280                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 281                 initFragmentsWithFile();
 282                 if (file.isFolder()) {
 283                     startSyncFolderOperation(file, false);
 284                 }
 285
 286             } else {
 287                 updateFragmentsVisibility(!file.isFolder());
 288                 updateActionBarTitleAndHomeButton(file.isFolder() ? null : file);
 289             }
 290         }
 291     }
 292
 293     private void createMinFragments() {
 294         OCFileListFragment listOfFiles = new OCFileListFragment();
 295         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 296         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 297         transaction.commit();
 298     }
 299
 300     private void initFragmentsWithFile() {
 301         if (getAccount() != null && getFile() != null) {
 302             /// First fragment
 303             OCFileListFragment listOfFiles = getListOfFilesFragment();
 304             if (listOfFiles != null) {
 305                 listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 306             } else {
 307                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 308             }
 309
 310             /// Second fragment
 311             OCFile file = getFile();
 312             Fragment secondFragment = chooseInitialSecondFragment(file);
 313             if (secondFragment != null) {
 314                 setSecondFragment(secondFragment);
 315                 updateFragmentsVisibility(true);
 316                 updateActionBarTitleAndHomeButton(file);
 317
 318             } else {
 319                 cleanSecondFragment();
 320                 if (file.isDown() && PreviewTextFragment.canBePreviewed(file))
 321                     startTextPreview(file);
 322             }
 323
 324             switchLayout(getFile());
 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 void switchLayout(OCFile file){
 338         if (DisplayUtils.isGridView(file, getStorageManager())){
 339             switchToGridView();
 340         } else {
 341             switchToListView();
 342         }
 343     }
 344
 345     private Fragment chooseInitialSecondFragment(OCFile file) {
 346         Fragment secondFragment = null;
 347         if (file != null && !file.isFolder()) {
 348             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 349                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 350                     ) {
 351                 int startPlaybackPosition =
 352                         getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 353                 boolean autoplay =
 354                         getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 355                 secondFragment = new PreviewMediaFragment(file, getAccount(),
 356                         startPlaybackPosition, autoplay);
 357
 358             } else if (file.isDown() && PreviewTextFragment.canBePreviewed(file)) {
 359                 secondFragment = null;
 360             } else {
 361             secondFragment = FileDetailFragment.newInstance(file, getAccount());
 362         }
 363         }
 364         return secondFragment;
 365     }
 366
 367
 368     /**
 369      * Replaces the second fragment managed by the activity with the received as
 370      * a parameter.
 371      * <p/>
 372      * Assumes never will be more than two fragments managed at the same time.
 373      *
 374      * @param fragment New second Fragment to set.
 375      */
 376     private void setSecondFragment(Fragment fragment) {
 377         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 378         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 379         transaction.commit();
 380     }
 381
 382
 383     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 384         if (mDualPane) {
 385             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 386                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 387             }
 388             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 389                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 390             }
 391
 392         } else if (existsSecondFragment) {
 393             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 394                 mLeftFragmentContainer.setVisibility(View.GONE);
 395             }
 396             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 397                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 398             }
 399
 400         } else {
 401             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 402                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 403             }
 404             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 405                 mRightFragmentContainer.setVisibility(View.GONE);
 406             }
 407         }
 408     }
 409
 410
 411     private OCFileListFragment getListOfFilesFragment() {
 412         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 413                 FileDisplayActivity.TAG_LIST_OF_FILES);
 414         if (listOfFiles != null) {
 415             return (OCFileListFragment) listOfFiles;
 416         }
 417         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 418         return null;
 419     }
 420
 421     public FileFragment getSecondFragment() {
 422         Fragment second = getSupportFragmentManager().findFragmentByTag(
 423                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 424         if (second != null) {
 425             return (FileFragment) second;
 426         }
 427         return null;
 428     }
 429
 430     protected void cleanSecondFragment() {
 431         Fragment second = getSecondFragment();
 432         if (second != null) {
 433             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 434             tr.remove(second);
 435             tr.commit();
 436         }
 437         updateFragmentsVisibility(false);
 438         updateActionBarTitleAndHomeButton(null);
 439     }
 440
 441     protected void refreshListOfFilesFragment() {
 442         OCFileListFragment fileListFragment = getListOfFilesFragment();
 443         if (fileListFragment != null) {
 444             fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 445         }
 446     }
 447
 448     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath,
 449                                          boolean success) {
 450         FileFragment secondFragment = getSecondFragment();
 451         boolean waitedPreview = (mWaitingToPreview != null &&
 452                 mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 453         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 454             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 455             OCFile fileInFragment = detailsFragment.getFile();
 456             if (fileInFragment != null &&
 457                     !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 458                 // the user browsed to other file ; forget the automatic preview
 459                 mWaitingToPreview = null;
 460
 461             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 462                 // grant that the right panel updates the progress bar
 463                 detailsFragment.listenForTransferProgress();
 464                 detailsFragment.updateFileDetails(true, false);
 465
 466             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 467                 //  update the right panel
 468                 boolean detailsFragmentChanged = false;
 469                 if (waitedPreview) {
 470                     if (success) {
 471                         mWaitingToPreview = getStorageManager().getFileById(
 472                                 mWaitingToPreview.getFileId());   // update the file from database,
 473                                                                   // for the local storage path
 474                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 475                             startMediaPreview(mWaitingToPreview, 0, true);
 476                             detailsFragmentChanged = true;
 477                         } else if (PreviewTextFragment.canBePreviewed(mWaitingToPreview)) {
 478                             startTextPreview(mWaitingToPreview);
 479                             detailsFragmentChanged = true;
 480                         } else {
 481                             getFileOperationsHelper().openFile(mWaitingToPreview);
 482                         }
 483                     }
 484                     mWaitingToPreview = null;
 485                 }
 486                 if (!detailsFragmentChanged) {
 487                     detailsFragment.updateFileDetails(false, (success));
 488                 }
 489             }
 490         }
 491     }
 492
 493     @Override
 494     public boolean onPrepareOptionsMenu(Menu menu) {
 495         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 496         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 497         menu.findItem(R.id.action_sync_account).setVisible(!drawerOpen);
 498         menu.findItem(R.id.action_switch_view).setVisible(!drawerOpen);
 499
 500         return super.onPrepareOptionsMenu(menu);
 501     }
 502
 503     @Override
 504     public boolean onCreateOptionsMenu(Menu menu) {
 505         MenuInflater inflater = getMenuInflater();
 506         inflater.inflate(R.menu.main_menu, menu);
 507         menu.findItem(R.id.action_create_dir).setVisible(false);
 508         mOptionsMenu = menu;
 509
 510         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
 511
 512         changeGridIcon();
 513
 514         return true;
 515     }
 516
 517
 518     @Override
 519     public boolean onOptionsItemSelected(MenuItem item) {
 520         boolean retval = true;
 521         switch (item.getItemId()) {
 522             case R.id.action_sync_account: {
 523                 startSynchronization();
 524                 break;
 525             }
 526             case android.R.id.home: {
 527                 FileFragment second = getSecondFragment();
 528                 OCFile currentDir = getCurrentDir();
 529                 if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 530                     mDrawerLayout.closeDrawer(GravityCompat.START);
 531                 } else if((currentDir != null && currentDir.getParentId() != 0) ||
 532                         (second != null && second.getFile() != null)) {
 533                     onBackPressed();
 534
 535                 } else {
 536                     mDrawerLayout.openDrawer(GravityCompat.START);
 537                 }
 538                 break;
 539             }
 540             case R.id.action_sort: {
 541                 SharedPreferences appPreferences = PreferenceManager
 542                         .getDefaultSharedPreferences(this);
 543
 544                 // Read sorting order, default to sort by name ascending
 545                 Integer sortOrder = appPreferences
 546                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 547
 548                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 549                 builder.setTitle(R.string.actionbar_sort_title)
 550                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 551                                 new DialogInterface.OnClickListener() {
 552                             public void onClick(DialogInterface dialog, int which) {
 553                                 switch (which){
 554                                     case 0:
 555                                         sortByName(true);
 556                                         break;
 557                                     case 1:
 558                                         sortByDate(false);
 559                                         break;
 560                                 }
 561
 562                                 dialog.dismiss();
 563                             }
 564                         });
 565                 builder.create().show();
 566                 break;
 567             }
 568             case R.id.action_switch_view:{
 569                 if (isGridView()){
 570                     item.setTitle(getApplicationContext().getString(R.string.action_switch_grid_view));
 571                     item.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 572                             R.drawable.ic_view_module));
 573                     DisplayUtils.setViewMode(getFile(), false);
 574                     switchToListView();
 575                 } else {
 576                     item.setTitle(getApplicationContext().getString(R.string.action_switch_list_view));
 577                     item.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 578                             R.drawable.ic_view_list));
 579                     DisplayUtils.setViewMode(getFile(), true);
 580                     switchToGridView();
 581                 }
 582
 583                 return true;
 584             }
 585         default:
 586             retval = super.onOptionsItemSelected(item);
 587         }
 588         return retval;
 589     }
 590
 591     public void createFolder() {
 592         CreateFolderDialogFragment dialog =
 593                 CreateFolderDialogFragment.newInstance(getCurrentDir());
 594         dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 595     }
 596
 597     public void uploadLocalFilesSelected() {
 598         Intent action = new Intent(this, UploadFilesActivity.class);
 599         action.putExtra(
 600                 UploadFilesActivity.EXTRA_ACCOUNT,
 601                 getAccount()
 602         );
 603         startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 604     }
 605
 606     public void uploadFromOtherAppsSelected() {
 607         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 608         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 609         //Intent.EXTRA_ALLOW_MULTIPLE is only supported on api level 18+, Jelly Bean
 610         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 611             action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 612         }
 613         startActivityForResult(
 614                 Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 615                 ACTION_SELECT_CONTENT_FROM_APPS
 616         );
 617     }
 618
 619     private void startSynchronization() {
 620         Log_OC.d(TAG, "Got to start sync");
 621         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 622             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 623             ContentResolver.cancelSync(null, MainApp.getAuthority());
 624             // cancel the current synchronizations of any ownCloud account
 625             Bundle bundle = new Bundle();
 626             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 627             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 628             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 629                     MainApp.getAuthority());
 630             ContentResolver.requestSync(
 631                     getAccount(),
 632                     MainApp.getAuthority(), bundle);
 633         } else {
 634             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 635                     MainApp.getAuthority() + " with new API");
 636             SyncRequest.Builder builder = new SyncRequest.Builder();
 637             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 638             builder.setExpedited(true);
 639             builder.setManual(true);
 640             builder.syncOnce();
 641
 642             // Fix bug in Android Lollipop when you click on refresh the whole account
 643             Bundle extras = new Bundle();
 644             builder.setExtras(extras);
 645
 646             SyncRequest request = builder.build();
 647             ContentResolver.requestSync(request);
 648         }
 649     }
 650
 651     /**
 652      * Called, when the user selected something for uploading
 653      *
 654      */
 655     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 656     @Override
 657     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 658
 659         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 660                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 661             //getClipData is only supported on api level 16+, Jelly Bean
 662             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 663                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 664                     Intent intent = new Intent();
 665                     intent.setData(data.getClipData().getItemAt(i).getUri());
 666                     requestSimpleUpload(intent, resultCode);
 667                 }
 668             }else {
 669                 requestSimpleUpload(data, resultCode);
 670             }
 671         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 672                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 673             requestMultipleUpload(data, resultCode);
 674
 675         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 676             final Intent fData = data;
 677             final int fResultCode = resultCode;
 678             getHandler().postDelayed(
 679                     new Runnable() {
 680                         @Override
 681                         public void run() {
 682                             requestMoveOperation(fData, fResultCode);
 683                         }
 684                     },
 685                     DELAY_TO_REQUEST_OPERATIONS_LATER
 686             );
 687
 688         } else if (requestCode == ACTION_COPY_FILES && resultCode == RESULT_OK) {
 689
 690             final Intent fData = data;
 691             final int fResultCode = resultCode;
 692             getHandler().postDelayed(
 693                     new Runnable() {
 694                         @Override
 695                         public void run() {
 696                             requestCopyOperation(fData, fResultCode);
 697                         }
 698                     },
 699                     DELAY_TO_REQUEST_OPERATIONS_LATER
 700             );
 701
 702         } else {
 703             super.onActivityResult(requestCode, resultCode, data);
 704         }
 705
 706     }
 707
 708     private void requestMultipleUpload(Intent data, int resultCode) {
 709         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 710         if (filePaths != null) {
 711             String[] remotePaths = new String[filePaths.length];
 712             String remotePathBase = getCurrentDir().getRemotePath();
 713             for (int j = 0; j< remotePaths.length; j++) {
 714                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 715             }
 716
 717             Intent i = new Intent(this, FileUploader.class);
 718             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 719             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 720             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 721             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 722             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 723                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 724             startService(i);
 725
 726         } else {
 727             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 728             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 729                     Toast.LENGTH_LONG);
 730             t.show();
 731             return;
 732         }
 733     }
 734
 735
 736     private void requestSimpleUpload(Intent data, int resultCode) {
 737         String filePath = null;
 738         String mimeType = null;
 739
 740         Uri selectedImageUri = data.getData();
 741
 742         try {
 743             mimeType = getContentResolver().getType(selectedImageUri);
 744
 745             String fileManagerString = selectedImageUri.getPath();
 746             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 747
 748             if (selectedImagePath != null)
 749                 filePath = selectedImagePath;
 750             else
 751                 filePath = fileManagerString;
 752
 753         } catch (Exception e) {
 754             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 755                     "Intent.ACTION_GET_CONTENT", e);
 756
 757         } finally {
 758             if (filePath == null) {
 759                 Log_OC.e(TAG, "Couldn't resolve path to file");
 760                 Toast t = Toast.makeText(
 761                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 762                         Toast.LENGTH_LONG
 763                 );
 764                 t.show();
 765                 return;
 766             }
 767         }
 768
 769         Intent i = new Intent(this, FileUploader.class);
 770         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 771         OCFile currentDir = getCurrentDir();
 772         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 773
 774         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 775             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 776             try {
 777                 if (cursor != null && cursor.moveToFirst()) {
 778                     String displayName = cursor.getString(cursor.getColumnIndex(
 779                             OpenableColumns.DISPLAY_NAME));
 780                     Log_OC.v(TAG, "Display Name: " + displayName );
 781
 782                     displayName.replace(File.separatorChar, '_');
 783                     displayName.replace(File.pathSeparatorChar, '_');
 784                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 785
 786                 }
 787                 // and what happens in case of error?; wrong target name for the upload
 788             } finally {
 789                 cursor.close();
 790             }
 791
 792         } else {
 793             remotePath += new File(filePath).getName();
 794         }
 795
 796         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 797         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 798         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 799         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 800         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 801         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 802         startService(i);
 803     }
 804
 805     /**
 806      * Request the operation for moving the file/folder from one path to another
 807      *
 808      * @param data       Intent received
 809      * @param resultCode Result code received
 810      */
 811     private void requestMoveOperation(Intent data, int resultCode) {
 812         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 813
 814         ArrayList<OCFile> files = data.getParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES);
 815
 816         for (Parcelable file : files) {
 817             getFileOperationsHelper().moveFile(folderToMoveAt, (OCFile) file);
 818         }
 819     }
 820
 821     /**
 822      * Request the operation for copying the file/folder from one path to another
 823      *
 824      * @param data       Intent received
 825      * @param resultCode Result code received
 826      */
 827     private void requestCopyOperation(Intent data, int resultCode) {
 828         OCFile folderToMoveAt = data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 829
 830         ArrayList<OCFile> files = data.getParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES);
 831
 832         for (Parcelable file : files) {
 833             getFileOperationsHelper().copyFile(folderToMoveAt, (OCFile) file);
 834         }
 835     }
 836
 837     @Override
 838     public void onBackPressed() {
 839         boolean isFabOpen = isFabOpen();
 840         boolean isDrawerOpen = isDrawerOpen();
 841
 842         /*
 843          * BackPressed priority/hierarchy:
 844          *    1. close drawer if opened
 845          *    2. close FAB if open (only if drawer isn't open)
 846          *    3. navigate up (only if drawer and FAB aren't open)
 847          */
 848         if(isDrawerOpen && isFabOpen) {
 849             // close drawer first
 850             super.onBackPressed();
 851         } else if(isDrawerOpen && !isFabOpen) {
 852             // close drawer
 853             super.onBackPressed();
 854         } else if (!isDrawerOpen && isFabOpen) {
 855             // close fab
 856             getListOfFilesFragment().getFabMain().collapse();
 857         } else {
 858             // all closed
 859             OCFileListFragment listOfFiles = getListOfFilesFragment();
 860             if (mDualPane || getSecondFragment() == null) {
 861                 OCFile currentDir = getCurrentDir();
 862                 if (currentDir == null || currentDir.getParentId() == FileDataStorageManager.ROOT_PARENT_ID) {
 863                     finish();
 864                     return;
 865                 }
 866                 if (listOfFiles != null) {  // should never be null, indeed
 867                     listOfFiles.onBrowseUp();
 868                 }
 869             }
 870             if (listOfFiles != null) {  // should never be null, indeed
 871                 setFile(listOfFiles.getCurrentFile());
 872             }
 873             cleanSecondFragment();
 874             changeGridIcon();
 875         }
 876     }
 877
 878     private void changeGridIcon(){
 879         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
 880         if (DisplayUtils.isGridView(getFile(), getStorageManager())){
 881             menuItem.setTitle(getApplicationContext().getString(R.string.action_switch_list_view));
 882             menuItem.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 883                     R.drawable.ic_view_list));
 884         } else {
 885             menuItem.setTitle(getApplicationContext().getString(R.string.action_switch_grid_view));
 886             menuItem.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 887                     R.drawable.ic_view_module));
 888         }
 889     }
 890
 891     @Override
 892     protected void onSaveInstanceState(Bundle outState) {
 893         // responsibility of restore is preferred in onCreate() before than in
 894         // onRestoreInstanceState when there are Fragments involved
 895         Log_OC.v(TAG, "onSaveInstanceState() start");
 896         super.onSaveInstanceState(outState);
 897         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 898         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 899         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 900         // mRefreshSharesInProgress);
 901         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 902
 903         Log_OC.v(TAG, "onSaveInstanceState() end");
 904     }
 905
 906
 907     @Override
 908     protected void onResume() {
 909         Log_OC.v(TAG, "onResume() start");
 910         super.onResume();
 911         // refresh Navigation Drawer account list
 912         mNavigationDrawerAdapter.updateAccountList();
 913
 914         // refresh list of files
 915         refreshListOfFilesFragment();
 916
 917         // Listen for sync messages
 918         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 919         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 920         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 921         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 922         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 923         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 924         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 925         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 926         // syncIntentFilter);
 927
 928         // Listen for upload messages
 929         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 930         mUploadFinishReceiver = new UploadFinishReceiver();
 931         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 932
 933         // Listen for download messages
 934         IntentFilter downloadIntentFilter = new IntentFilter(
 935                 FileDownloader.getDownloadAddedMessage());
 936         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 937         mDownloadFinishReceiver = new DownloadFinishReceiver();
 938         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 939
 940         Log_OC.v(TAG, "onResume() end");
 941
 942     }
 943
 944
 945     @Override
 946     protected void onPause() {
 947         Log_OC.v(TAG, "onPause() start");
 948         if (mSyncBroadcastReceiver != null) {
 949             unregisterReceiver(mSyncBroadcastReceiver);
 950             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 951             mSyncBroadcastReceiver = null;
 952         }
 953         if (mUploadFinishReceiver != null) {
 954             unregisterReceiver(mUploadFinishReceiver);
 955             mUploadFinishReceiver = null;
 956         }
 957         if (mDownloadFinishReceiver != null) {
 958             unregisterReceiver(mDownloadFinishReceiver);
 959             mDownloadFinishReceiver = null;
 960         }
 961
 962         super.onPause();
 963         Log_OC.v(TAG, "onPause() end");
 964     }
 965
 966     public boolean isFabOpen() {
 967         if(getListOfFilesFragment() != null && getListOfFilesFragment().getFabMain() != null && getListOfFilesFragment().getFabMain().isExpanded()) {
 968             return true;
 969         } else {
 970             return false;
 971         }
 972     }
 973
 974
 975     private class SyncBroadcastReceiver extends BroadcastReceiver {
 976
 977         /**
 978          * {@link BroadcastReceiver} to enable syncing feedback in UI
 979          */
 980         @Override
 981         public void onReceive(Context context, Intent intent) {
 982             try {
 983                 String event = intent.getAction();
 984                 Log_OC.d(TAG, "Received broadcast " + event);
 985                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 986                 String synchFolderRemotePath =
 987                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 988                 RemoteOperationResult synchResult =
 989                         (RemoteOperationResult)intent.getSerializableExtra(
 990                                 FileSyncAdapter.EXTRA_RESULT);
 991                 boolean sameAccount = (getAccount() != null &&
 992                         accountName.equals(getAccount().name) && getStorageManager() != null);
 993
 994                 if (sameAccount) {
 995
 996                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 997                         mSyncInProgress = true;
 998
 999                     } else {
1000                         OCFile currentFile = (getFile() == null) ? null :
1001                                 getStorageManager().getFileByPath(getFile().getRemotePath());
1002                         OCFile currentDir = (getCurrentDir() == null) ? null :
1003                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1004
1005                         if (currentDir == null) {
1006                             // current folder was removed from the server
1007                             Toast.makeText( FileDisplayActivity.this,
1008                                             String.format(
1009                                                     getString(R.string.
1010                                                             sync_current_folder_was_removed),
1011                                                    synchFolderRemotePath),
1012                                             Toast.LENGTH_LONG)
1013                                 .show();
1014
1015                             browseToRoot();
1016
1017                         } else {
1018                             if (currentFile == null && !getFile().isFolder()) {
1019                                 // currently selected file was removed in the server, and now we
1020                                 // know it
1021                                 cleanSecondFragment();
1022                                 currentFile = currentDir;
1023                             }
1024
1025                             if (synchFolderRemotePath != null &&
1026                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1027                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1028                                 if (fileListFragment != null) {
1029                                     fileListFragment.listDirectory(currentDir,
1030                                     MainApp.getOnlyOnDevice());
1031                                 }
1032                             }
1033                             setFile(currentFile);
1034                         }
1035
1036                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
1037                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
1038                                         .equals(event));
1039
1040                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1041                                     equals(event) &&/// TODO refactor and make common
1042
1043                                 synchResult != null && !synchResult.isSuccess() &&
1044                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED ||
1045                                         synchResult.isIdPRedirection() ||
1046                                         (synchResult.isException() && synchResult.getException()
1047                                                 instanceof AuthenticatorException))) {
1048
1049
1050                             try {
1051                                 OwnCloudClient client;
1052                                 OwnCloudAccount ocAccount =
1053                                         new OwnCloudAccount(getAccount(), context);
1054                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1055                                         removeClientFor(ocAccount));
1056                                 if (client != null) {
1057                                     OwnCloudCredentials cred = client.getCredentials();
1058                                     if (cred != null) {
1059                                         AccountManager am = AccountManager.get(context);
1060                                         if (cred.authTokenExpires()) {
1061                                             am.invalidateAuthToken(
1062                                                     getAccount().type,
1063                                                     cred.getAuthToken()
1064                                             );
1065                                         } else {
1066                                             am.clearPassword(getAccount());
1067                                         }
1068                                     }
1069                                 }
1070                                 requestCredentialsUpdate();
1071
1072                             } catch (AccountNotFoundException e) {
1073                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1074                             }
1075
1076                         }
1077
1078                     }
1079                     removeStickyBroadcast(intent);
1080                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1081                     mProgressBar.setIndeterminate(mSyncInProgress);
1082                     //mProgressBar.setVisibility((mSyncInProgress) ? View.VISIBLE : View.INVISIBLE);
1083                     //setSupportProgressBarIndeterminateVisibility(mSyncInProgress
1084                     /*|| mRefreshSharesInProgress*/ //);
1085
1086                     setBackgroundText();
1087
1088                 }
1089
1090                 if (synchResult != null) {
1091                     if (synchResult.getCode().equals(
1092                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1093                         mLastSslUntrustedServerResult = synchResult;
1094                     }
1095                 }
1096             } catch (RuntimeException e) {
1097                 // avoid app crashes after changing the serial id of RemoteOperationResult
1098                 // in owncloud library with broadcast notifications pending to process
1099                 removeStickyBroadcast(intent);
1100             }
1101         }
1102     }
1103
1104     /**
1105      * Show a text message on screen view for notifying user if content is
1106      * loading or folder is empty
1107      */
1108     private void setBackgroundText() {
1109         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1110         if (ocFileListFragment != null) {
1111             int message = R.string.file_list_loading;
1112             if (!mSyncInProgress) {
1113                 // In case file list is empty
1114                 message = R.string.file_list_empty;
1115             }
1116             ocFileListFragment.setMessageForEmptyList(getString(message));
1117         } else {
1118             Log_OC.e(TAG, "OCFileListFragment is null");
1119         }
1120     }
1121
1122     /**
1123      * Once the file upload has finished -> update view
1124      */
1125     private class UploadFinishReceiver extends BroadcastReceiver {
1126         /**
1127          * Once the file upload has finished -> update view
1128          *
1129          * @author David A. Velasco
1130          * {@link BroadcastReceiver} to enable upload feedback in UI
1131          */
1132         @Override
1133         public void onReceive(Context context, Intent intent) {
1134             try {
1135                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1136                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1137                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1138                 OCFile currentDir = getCurrentDir();
1139                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1140                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1141
1142                 if (sameAccount && isDescendant) {
1143                     String linkedToRemotePath =
1144                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1145                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1146                         refreshListOfFilesFragment();
1147                     }
1148                 }
1149
1150                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1151                         false);
1152                 boolean renamedInUpload = getFile().getRemotePath().
1153                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1154                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1155                         renamedInUpload;
1156                 FileFragment details = getSecondFragment();
1157                 boolean detailFragmentIsShown = (details != null &&
1158                         details instanceof FileDetailFragment);
1159
1160                 if (sameAccount && sameFile && detailFragmentIsShown) {
1161                     if (uploadWasFine) {
1162                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1163                     }
1164                     if (renamedInUpload) {
1165                         String newName = (new File(uploadedRemotePath)).getName();
1166                         Toast msg = Toast.makeText(
1167                                 context,
1168                                 String.format(
1169                                         getString(R.string.filedetails_renamed_in_upload_msg),
1170                                         newName),
1171                                 Toast.LENGTH_LONG);
1172                         msg.show();
1173                     }
1174                     if (uploadWasFine || getFile().fileExists()) {
1175                         ((FileDetailFragment) details).updateFileDetails(false, true);
1176                     } else {
1177                         cleanSecondFragment();
1178                     }
1179
1180                     // Force the preview if the file is an image or text file
1181                     if (uploadWasFine) {
1182                         OCFile ocFile = getFile();
1183                         if (PreviewImageFragment.canBePreviewed(ocFile))
1184                             startImagePreview(getFile());
1185                         else if (PreviewTextFragment.canBePreviewed(ocFile))
1186                             startTextPreview(ocFile);
1187                         // TODO what about other kind of previews?
1188                     }
1189                 }
1190
1191                 mProgressBar.setIndeterminate(false);
1192             } finally {
1193                 if (intent != null) {
1194                     removeStickyBroadcast(intent);
1195                 }
1196             }
1197
1198         }
1199
1200         // TODO refactor this receiver, and maybe DownloadFinishReceiver; this method is duplicated :S
1201         private boolean isAscendant(String linkedToRemotePath) {
1202             OCFile currentDir = getCurrentDir();
1203             return (
1204                     currentDir != null &&
1205                             currentDir.getRemotePath().startsWith(linkedToRemotePath)
1206             );
1207         }
1208
1209
1210     }
1211
1212
1213     /**
1214      * Class waiting for broadcast events from the {@link FileDownloader} service.
1215      *
1216      * Updates the UI when a download is started or finished, provided that it is relevant for the
1217      * current folder.
1218      */
1219     private class DownloadFinishReceiver extends BroadcastReceiver {
1220
1221         @Override
1222         public void onReceive(Context context, Intent intent) {
1223             try {
1224                 boolean sameAccount = isSameAccount(intent);
1225                 String downloadedRemotePath =
1226                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1227                 boolean isDescendant = isDescendant(downloadedRemotePath);
1228
1229                 if (sameAccount && isDescendant) {
1230                     String linkedToRemotePath =
1231                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1232                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1233                         refreshListOfFilesFragment();
1234                     }
1235                     refreshSecondFragment(
1236                             intent.getAction(),
1237                             downloadedRemotePath,
1238                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1239                     );
1240                 }
1241
1242                 if (mWaitingToSend != null) {
1243                     mWaitingToSend =
1244                             getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1245                     if (mWaitingToSend.isDown()) {
1246                         sendDownloadedFile();
1247                     }
1248                 }
1249
1250             } finally {
1251                 if (intent != null) {
1252                     removeStickyBroadcast(intent);
1253                 }
1254             }
1255         }
1256
1257         private boolean isDescendant(String downloadedRemotePath) {
1258             OCFile currentDir = getCurrentDir();
1259             return (
1260                 currentDir != null &&
1261                 downloadedRemotePath != null &&
1262                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1263             );
1264         }
1265
1266         private boolean isAscendant(String linkedToRemotePath) {
1267             OCFile currentDir = getCurrentDir();
1268             return (
1269                 currentDir != null &&
1270                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1271             );
1272         }
1273
1274         private boolean isSameAccount(Intent intent) {
1275             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1276             return (accountName != null && getAccount() != null &&
1277                     accountName.equals(getAccount().name));
1278         }
1279     }
1280
1281
1282     public void browseToRoot() {
1283         OCFileListFragment listOfFiles = getListOfFilesFragment();
1284         if (listOfFiles != null) {  // should never be null, indeed
1285             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1286             listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1287             setFile(listOfFiles.getCurrentFile());
1288             startSyncFolderOperation(root, false);
1289         }
1290         cleanSecondFragment();
1291     }
1292
1293
1294     /**
1295      * {@inheritDoc}
1296      * <p/>
1297      * Updates action bar and second fragment, if in dual pane mode.
1298      */
1299     @Override
1300     public void onBrowsedDownTo(OCFile directory) {
1301         setFile(directory);
1302         cleanSecondFragment();
1303         // Sync Folder
1304         startSyncFolderOperation(directory, false);
1305
1306         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
1307
1308         changeGridIcon();
1309         switchLayout(directory);
1310     }
1311
1312     /**
1313      * Shows the information of the {@link OCFile} received as a
1314      * parameter in the second fragment.
1315      *
1316      * @param file {@link OCFile} whose details will be shown
1317      */
1318     @Override
1319     public void showDetails(OCFile file) {
1320         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1321         setSecondFragment(detailFragment);
1322         updateFragmentsVisibility(true);
1323         updateActionBarTitleAndHomeButton(file);
1324         setFile(file);
1325     }
1326
1327     @Override
1328     protected void updateActionBarTitleAndHomeButton(OCFile chosenFile) {
1329         if (mDualPane) {
1330             // in dual pane mode, keep the focus of title an action bar in the current folder
1331             super.updateActionBarTitleAndHomeButton(getCurrentDir());
1332
1333         } else {
1334             super.updateActionBarTitleAndHomeButton(chosenFile);
1335         }
1336
1337     }
1338
1339     @Override
1340     protected ServiceConnection newTransferenceServiceConnection() {
1341         return new ListServiceConnection();
1342     }
1343
1344     /**
1345      * Defines callbacks for service binding, passed to bindService()
1346      */
1347     private class ListServiceConnection implements ServiceConnection {
1348
1349         @Override
1350         public void onServiceConnected(ComponentName component, IBinder service) {
1351             if (component.equals(new ComponentName(
1352                     FileDisplayActivity.this, FileDownloader.class))) {
1353                 Log_OC.d(TAG, "Download service connected");
1354                 mDownloaderBinder = (FileDownloaderBinder) service;
1355                 if (mWaitingToPreview != null)
1356                     if (getStorageManager() != null) {
1357                          // update the file
1358                         mWaitingToPreview =
1359                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1360                         if (!mWaitingToPreview.isDown()) {
1361                             requestForDownload();
1362                         }
1363                     }
1364
1365             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1366                     FileUploader.class))) {
1367                 Log_OC.d(TAG, "Upload service connected");
1368                 mUploaderBinder = (FileUploaderBinder) service;
1369             } else {
1370                 return;
1371             }
1372             // a new chance to get the mDownloadBinder through
1373             // getFileDownloadBinder() - THIS IS A MESS
1374             OCFileListFragment listOfFiles = getListOfFilesFragment();
1375             if (listOfFiles != null) {
1376                 listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1377             }
1378             FileFragment secondFragment = getSecondFragment();
1379             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1380                 FileDetailFragment detailFragment = (FileDetailFragment) secondFragment;
1381                 detailFragment.listenForTransferProgress();
1382                 detailFragment.updateFileDetails(false, false);
1383             }
1384         }
1385
1386         @Override
1387         public void onServiceDisconnected(ComponentName component) {
1388             if (component.equals(new ComponentName(FileDisplayActivity.this,
1389                     FileDownloader.class))) {
1390                 Log_OC.d(TAG, "Download service disconnected");
1391                 mDownloaderBinder = null;
1392             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1393                     FileUploader.class))) {
1394                 Log_OC.d(TAG, "Upload service disconnected");
1395                 mUploaderBinder = null;
1396             }
1397         }
1398     }
1399
1400     @Override
1401     public void onSavedCertificate() {
1402         startSyncFolderOperation(getCurrentDir(), false);
1403     }
1404
1405
1406     @Override
1407     public void onFailedSavingCertificate() {
1408         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1409                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1410         );
1411         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1412     }
1413
1414     @Override
1415     public void onCancelCertificate() {
1416         // nothing to do
1417     }
1418
1419     /**
1420      * Updates the view associated to the activity after the finish of some operation over files
1421      * in the current account.
1422      *
1423      * @param operation Removal operation performed.
1424      * @param result    Result of the removal.
1425      */
1426     @Override
1427     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1428         super.onRemoteOperationFinish(operation, result);
1429
1430         if (operation instanceof RemoveFileOperation) {
1431             onRemoveFileOperationFinish((RemoveFileOperation) operation, result);
1432
1433         } else if (operation instanceof RenameFileOperation) {
1434             onRenameFileOperationFinish((RenameFileOperation) operation, result);
1435
1436         } else if (operation instanceof SynchronizeFileOperation) {
1437             onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
1438
1439         } else if (operation instanceof CreateFolderOperation) {
1440             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
1441
1442         } else if (operation instanceof MoveFileOperation) {
1443             onMoveFileOperationFinish((MoveFileOperation) operation, result);
1444
1445         } else if (operation instanceof CopyFileOperation) {
1446             onCopyFileOperationFinish((CopyFileOperation) operation, result);
1447         }
1448
1449     }
1450
1451     private void refreshShowDetails() {
1452         FileFragment details = getSecondFragment();
1453         if (details != null) {
1454             OCFile file = details.getFile();
1455             if (file != null) {
1456                 file = getStorageManager().getFileByPath(file.getRemotePath());
1457                 if (details instanceof PreviewMediaFragment) {
1458                     // Refresh  OCFile of the fragment
1459                     ((PreviewMediaFragment) details).updateFile(file);
1460                 } else if (details instanceof PreviewTextFragment) {
1461                     // Refresh  OCFile of the fragment
1462                     ((PreviewTextFragment) details).updateFile(file);
1463                 } else {
1464                     showDetails(file);
1465                 }
1466             }
1467             invalidateOptionsMenu();
1468         }
1469     }
1470
1471     /**
1472      * Updates the view associated to the activity after the finish of an operation trying to
1473      * remove a file.
1474      *
1475      * @param operation     Removal operation performed.
1476      * @param result        Result of the removal.
1477      */
1478     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1479                                              RemoteOperationResult result) {
1480         Toast msg = Toast.makeText(this,
1481                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1482                 Toast.LENGTH_LONG);
1483         msg.show();
1484
1485         if (result.isSuccess()) {
1486             OCFile removedFile = operation.getFile();
1487             FileFragment second = getSecondFragment();
1488             if (second != null && removedFile.equals(second.getFile())) {
1489                 if (second instanceof PreviewMediaFragment) {
1490                     ((PreviewMediaFragment) second).stopPreview(true);
1491                 }
1492                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1493                 cleanSecondFragment();
1494             }
1495             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())){
1496                 refreshListOfFilesFragment();
1497             }
1498             invalidateOptionsMenu();
1499         } else {
1500             if (result.isSslRecoverableException()) {
1501                 mLastSslUntrustedServerResult = result;
1502                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1503             }
1504         }
1505     }
1506
1507
1508     /**
1509      * Updates the view associated to the activity after the finish of an operation trying to move a
1510      * file.
1511      *
1512      * @param operation Move operation performed.
1513      * @param result    Result of the move operation.
1514      */
1515     private void onMoveFileOperationFinish(MoveFileOperation operation,
1516                                            RemoteOperationResult result) {
1517         if (result.isSuccess()) {
1518             refreshListOfFilesFragment();
1519         } else {
1520             try {
1521                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1522                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1523                         Toast.LENGTH_LONG);
1524                 msg.show();
1525
1526             } catch (NotFoundException e) {
1527                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1528             }
1529         }
1530     }
1531
1532     /**
1533      * Updates the view associated to the activity after the finish of an operation trying to copy a
1534      * file.
1535      *
1536      * @param operation Copy operation performed.
1537      * @param result    Result of the copy operation.
1538      */
1539     private void onCopyFileOperationFinish(CopyFileOperation operation, RemoteOperationResult result) {
1540         if (result.isSuccess()) {
1541             refreshListOfFilesFragment();
1542         } else {
1543             try {
1544                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1545                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1546                         Toast.LENGTH_LONG);
1547                 msg.show();
1548
1549             } catch (NotFoundException e) {
1550                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1551             }
1552         }
1553     }
1554
1555     /**
1556      * Updates the view associated to the activity after the finish of an operation trying to rename
1557      * a file.
1558      *
1559      * @param operation     Renaming operation performed.
1560      * @param result        Result of the renaming.
1561      */
1562     private void onRenameFileOperationFinish(RenameFileOperation operation,
1563                                              RemoteOperationResult result) {
1564         OCFile renamedFile = operation.getFile();
1565         if (result.isSuccess()) {
1566             FileFragment details = getSecondFragment();
1567             if (details != null) {
1568                 if (details instanceof FileDetailFragment &&
1569                         renamedFile.equals(details.getFile()) ) {
1570                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1571                     showDetails(renamedFile);
1572
1573                 } else if (details instanceof PreviewMediaFragment &&
1574                         renamedFile.equals(details.getFile())) {
1575                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1576                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1577                         int position = ((PreviewMediaFragment) details).getPosition();
1578                         startMediaPreview(renamedFile, position, true);
1579                     } else {
1580                         getFileOperationsHelper().openFile(renamedFile);
1581                     }
1582                 } else if (details instanceof PreviewTextFragment &&
1583                         renamedFile.equals(details.getFile())) {
1584                     ((PreviewTextFragment) details).updateFile(renamedFile);
1585                     if (PreviewTextFragment.canBePreviewed(renamedFile)) {
1586                         startTextPreview(renamedFile);
1587                     } else {
1588                         getFileOperationsHelper().openFile(renamedFile);
1589                     }
1590                 }
1591             }
1592
1593             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1594                 refreshListOfFilesFragment();
1595             }
1596
1597         } else {
1598             Toast msg = Toast.makeText(this,
1599                     ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1600                     Toast.LENGTH_LONG);
1601             msg.show();
1602
1603             if (result.isSslRecoverableException()) {
1604                 mLastSslUntrustedServerResult = result;
1605                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1606             }
1607         }
1608     }
1609
1610     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
1611                                                   RemoteOperationResult result) {
1612         if (result.isSuccess()) {
1613             if (operation.transferWasRequested()) {
1614                 OCFile syncedFile = operation.getLocalFile();
1615                 onTransferStateChanged(syncedFile, true, true);
1616                 invalidateOptionsMenu();
1617                 refreshShowDetails();
1618             }
1619         }
1620     }
1621
1622     /**
1623      * Updates the view associated to the activity after the finish of an operation trying create a
1624      * new folder
1625      *
1626      * @param operation     Creation operation performed.
1627      * @param result        Result of the creation.
1628      */
1629     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1630                                                RemoteOperationResult result) {
1631         if (result.isSuccess()) {
1632             refreshListOfFilesFragment();
1633         } else {
1634             try {
1635                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1636                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1637                         Toast.LENGTH_LONG);
1638                 msg.show();
1639
1640             } catch (NotFoundException e) {
1641                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1642             }
1643         }
1644     }
1645
1646
1647     /**
1648      * {@inheritDoc}
1649      */
1650     @Override
1651     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1652         refreshListOfFilesFragment();
1653         FileFragment details = getSecondFragment();
1654         if (details != null && details instanceof FileDetailFragment &&
1655                 file.equals(details.getFile()) ) {
1656             if (downloading || uploading) {
1657                 ((FileDetailFragment) details).updateFileDetails(file, getAccount());
1658             } else {
1659                 if (!file.fileExists()) {
1660                     cleanSecondFragment();
1661                 } else {
1662                     ((FileDetailFragment) details).updateFileDetails(false, true);
1663                 }
1664             }
1665         }
1666
1667     }
1668
1669
1670     private void requestForDownload() {
1671         Account account = getAccount();
1672         //if (!mWaitingToPreview.isDownloading()) {
1673         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1674             Intent i = new Intent(this, FileDownloader.class);
1675             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1676             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1677             startService(i);
1678         }
1679     }
1680
1681
1682     private OCFile getCurrentDir() {
1683         OCFile file = getFile();
1684         if (file != null) {
1685             if (file.isFolder()) {
1686                 return file;
1687             } else if (getStorageManager() != null) {
1688                 String parentPath = file.getRemotePath().substring(0,
1689                         file.getRemotePath().lastIndexOf(file.getFileName()));
1690                 return getStorageManager().getFileByPath(parentPath);
1691             }
1692         }
1693         return null;
1694     }
1695
1696     /**
1697      * Starts an operation to refresh the requested folder.
1698      *
1699      * The operation is run in a new background thread created on the fly.
1700      *
1701      * The refresh updates is a "light sync": properties of regular files in folder are updated (including
1702      * associated shares), but not their contents. Only the contents of files marked to be kept-in-sync are
1703      * synchronized too.
1704      *
1705      * @param folder        Folder to refresh.
1706      * @param ignoreETag    If 'true', the data from the server will be fetched and sync'ed even if the eTag
1707      *                      didn't change.
1708      */
1709     public void startSyncFolderOperation(final OCFile folder, final boolean ignoreETag) {
1710
1711         // the execution is slightly delayed to allow the activity get the window focus if it's being started
1712         // or if the method is called from a dialog that is being dismissed
1713         getHandler().postDelayed(
1714                 new Runnable() {
1715                     @Override
1716                     public void run() {
1717                         if (hasWindowFocus()) {
1718                             long currentSyncTime = System.currentTimeMillis();
1719                             mSyncInProgress = true;
1720
1721                             // perform folder synchronization
1722                             RemoteOperation synchFolderOp = new RefreshFolderOperation(folder,
1723                                     currentSyncTime,
1724                                     false,
1725                                     getFileOperationsHelper().isSharedSupported(),
1726                                     ignoreETag,
1727                                     getStorageManager(),
1728                                     getAccount(),
1729                                     getApplicationContext()
1730                             );
1731                             synchFolderOp.execute(
1732                                     getAccount(),
1733                                     MainApp.getAppContext(),
1734                                     FileDisplayActivity.this,
1735                                     null,
1736                                     null
1737                             );
1738
1739                             mProgressBar.setIndeterminate(true);
1740
1741                             setBackgroundText();
1742
1743                         }   // else: NOTHING ; lets' not refresh when the user rotates the device but there is
1744                         // another window floating over
1745                     }
1746                 },
1747                 DELAY_TO_REQUEST_OPERATIONS_LATER
1748         );
1749
1750     }
1751
1752     /**
1753      * Show untrusted cert dialog
1754      */
1755     public void showUntrustedCertDialog(RemoteOperationResult result) {
1756         // Show a dialog with the certificate info
1757         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1758                 (CertificateCombinedException) result.getException());
1759         FragmentManager fm = getSupportFragmentManager();
1760         FragmentTransaction ft = fm.beginTransaction();
1761         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1762     }
1763
1764     private void requestForDownload(OCFile file) {
1765         Account account = getAccount();
1766         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1767             Intent i = new Intent(this, FileDownloader.class);
1768             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1769             i.putExtra(FileDownloader.EXTRA_FILE, file);
1770             startService(i);
1771         }
1772     }
1773
1774     private void sendDownloadedFile() {
1775         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1776         mWaitingToSend = null;
1777     }
1778
1779
1780     /**
1781      * Requests the download of the received {@link OCFile} , updates the UI
1782      * to monitor the download progress and prepares the activity to send the file
1783      * when the download finishes.
1784      *
1785      * @param file {@link OCFile} to download and preview.
1786      */
1787     public void startDownloadForSending(OCFile file) {
1788         mWaitingToSend = file;
1789         requestForDownload(mWaitingToSend);
1790         boolean hasSecondFragment = (getSecondFragment() != null);
1791         updateFragmentsVisibility(hasSecondFragment);
1792     }
1793
1794     /**
1795      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1796      *
1797      * @param file Image {@link OCFile} to show.
1798      */
1799     public void startImagePreview(OCFile file) {
1800         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1801         showDetailsIntent.putExtra(EXTRA_FILE, file);
1802         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1803         startActivity(showDetailsIntent);
1804     }
1805
1806     /**
1807      * Stars the preview of an already down media {@link OCFile}.
1808      *
1809      * @param file                      Media {@link OCFile} to preview.
1810      * @param startPlaybackPosition     Media position where the playback will be started,
1811      *                                  in milliseconds.
1812      * @param autoplay                  When 'true', the playback will start without user
1813      *                                  interactions.
1814      */
1815     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1816         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1817                 autoplay);
1818         setSecondFragment(mediaFragment);
1819         updateFragmentsVisibility(true);
1820         updateActionBarTitleAndHomeButton(file);
1821         setFile(file);
1822     }
1823
1824     /**
1825      * Stars the preview of a text file {@link OCFile}.
1826      *
1827      * @param file Text {@link OCFile} to preview.
1828      */
1829     public void startTextPreview(OCFile file) {
1830         Bundle args = new Bundle();
1831         args.putParcelable(EXTRA_FILE, file);
1832         args.putParcelable(EXTRA_ACCOUNT, getAccount());
1833         Fragment textPreviewFragment = Fragment.instantiate(getApplicationContext(),
1834                 PreviewTextFragment.class.getName(), args);
1835         setSecondFragment(textPreviewFragment);
1836         updateFragmentsVisibility(true);
1837         //updateNavigationElementsInActionBar(file);
1838         setFile(file);
1839     }
1840
1841     /**
1842      * Requests the download of the received {@link OCFile} , updates the UI
1843      * to monitor the download progress and prepares the activity to preview
1844      * or open the file when the download finishes.
1845      *
1846      * @param file {@link OCFile} to download and preview.
1847      */
1848     public void startDownloadForPreview(OCFile file) {
1849         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1850         setSecondFragment(detailFragment);
1851         mWaitingToPreview = file;
1852         requestForDownload();
1853         updateFragmentsVisibility(true);
1854         updateActionBarTitleAndHomeButton(file);
1855         setFile(file);
1856     }
1857
1858
1859     public void cancelTransference(OCFile file) {
1860         getFileOperationsHelper().cancelTransference(file);
1861         if (mWaitingToPreview != null &&
1862                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1863             mWaitingToPreview = null;
1864         }
1865         if (mWaitingToSend != null &&
1866                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1867             mWaitingToSend = null;
1868         }
1869         onTransferStateChanged(file, false, false);
1870     }
1871
1872     @Override
1873     public void onRefresh(boolean ignoreETag) {
1874         refreshList(ignoreETag);
1875     }
1876
1877     @Override
1878     public void onRefresh() {
1879         refreshList(true);
1880     }
1881
1882     private void refreshList(boolean ignoreETag) {
1883         OCFileListFragment listOfFiles = getListOfFilesFragment();
1884         if (listOfFiles != null) {
1885             OCFile folder = listOfFiles.getCurrentFile();
1886             if (folder != null) {
1887                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1888                 listDirectory(mFile);*/
1889                 startSyncFolderOperation(folder, ignoreETag);
1890             }
1891         }
1892     }
1893
1894     private void sortByDate(boolean ascending) {
1895         getListOfFilesFragment().sortByDate(ascending);
1896     }
1897
1898     private void sortBySize(boolean ascending) {
1899         getListOfFilesFragment().sortBySize(ascending);
1900     }
1901
1902     private void sortByName(boolean ascending) {
1903         getListOfFilesFragment().sortByName(ascending);
1904     }
1905     private boolean isGridView(){ return getListOfFilesFragment().isGridView(); }
1906     private void switchToGridView() {
1907         getListOfFilesFragment().switchToGridView();
1908     }
1909     private void switchToListView() {
1910         getListOfFilesFragment().switchToListView();
1911     }
1912
1913    public void allFilesOption() {
1914        browseToRoot();
1915    }
1916
1917     public void refreshDirectory(){
1918         getListOfFilesFragment().refreshDirectory();
1919     }
1920 }