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.CreateShareViaLinkOperation;
  84 import com.owncloud.android.operations.CreateShareWithShareeOperation;
  85 import com.owncloud.android.operations.MoveFileOperation;
  86 import com.owncloud.android.operations.RefreshFolderOperation;
  87 import com.owncloud.android.operations.RemoveFileOperation;
  88 import com.owncloud.android.operations.RenameFileOperation;
  89 import com.owncloud.android.operations.SynchronizeFileOperation;
  90 import com.owncloud.android.operations.UnshareOperation;
  91 import com.owncloud.android.services.observer.FileObserverService;
  92 import com.owncloud.android.syncadapter.FileSyncAdapter;
  93 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  94 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  95 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  96 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  97 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
  98 import com.owncloud.android.ui.fragment.FileDetailFragment;
  99 import com.owncloud.android.ui.fragment.FileFragment;
 100 import com.owncloud.android.ui.fragment.OCFileListFragment;
 101 import com.owncloud.android.ui.preview.PreviewImageActivity;
 102 import com.owncloud.android.ui.preview.PreviewImageFragment;
 103 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 104 import com.owncloud.android.ui.preview.PreviewTextFragment;
 105 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 106 import com.owncloud.android.utils.DisplayUtils;
 107 import com.owncloud.android.utils.ErrorMessageAdapter;
 108 import com.owncloud.android.utils.FileStorageUtils;
 109 import com.owncloud.android.utils.UriUtils;
 110
 111 import java.io.File;
 112 import java.util.ArrayList;
 113 import java.util.Iterator;
 114
 115 /**
 116  * Displays, what files the user has available in his ownCloud.
 117  */
 118
 119 public class FileDisplayActivity extends HookActivity
 120         implements FileFragment.ContainerActivity,
 121         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 122
 123     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 124     private UploadFinishReceiver mUploadFinishReceiver;
 125     private DownloadFinishReceiver mDownloadFinishReceiver;
 126     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 127
 128     private boolean mDualPane;
 129     private View mLeftFragmentContainer;
 130     private View mRightFragmentContainer;
 131     private ProgressBar mProgressBar;
 132
 133     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 134     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 135     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 136
 137     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 138
 139     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 140     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 141     public static final int ACTION_MOVE_FILES = 3;
 142     public static final int ACTION_COPY_FILES = 4;
 143
 144     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 145
 146     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 147     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 148
 149     private OCFile mWaitingToPreview;
 150
 151     private boolean mSyncInProgress = false;
 152
 153     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 154     public static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 155     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 156     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 157
 158     private OCFile mWaitingToSend;
 159     private Menu mOptionsMenu;
 160
 161
 162     @Override
 163     protected void onCreate(Bundle savedInstanceState) {
 164         Log_OC.v(TAG, "onCreate() start");
 165
 166         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account
 167                                             // is valid
 168
 169         /// grant that FileObserverService is watching favorite files
 170         if (savedInstanceState == null) {
 171             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 172             startService(initObserversIntent);
 173         }
 174
 175         /// Load of saved instance state
 176         if(savedInstanceState != null) {
 177             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(
 178                     FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 179             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 180             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(
 181                     FileDisplayActivity.KEY_WAITING_TO_SEND);
 182         } else {
 183             mWaitingToPreview = null;
 184             mSyncInProgress = false;
 185             mWaitingToSend = null;
 186         }
 187
 188         /// USER INTERFACE
 189
 190         // Inflate and set the layout view
 191         setContentView(R.layout.files);
 192
 193         // Navigation Drawer
 194         initDrawer();
 195
 196         mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
 197         mProgressBar.setIndeterminateDrawable(
 198                 ContextCompat.getDrawable(this,
 199                         R.drawable.actionbar_progress_indeterminate_horizontal));
 200
 201         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 202         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 203         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 204         if (savedInstanceState == null) {
 205             createMinFragments();
 206         }
 207
 208         // Action bar setup
 209         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 210                                                                 // according to the official
 211                                                                 // documentation
 212
 213         // enable ActionBar app icon to behave as action to toggle nav drawer
 214         //getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 215         getSupportActionBar().setHomeButtonEnabled(true);
 216
 217         mProgressBar.setIndeterminate(mSyncInProgress);
 218         // always AFTER setContentView(...) ; to work around bug in its implementation
 219
 220         setBackgroundText();
 221
 222         Log_OC.v(TAG, "onCreate() end");
 223     }
 224
 225     @Override
 226     protected void onStart() {
 227         Log_OC.v(TAG, "onStart() start");
 228         super.onStart();
 229         Log_OC.v(TAG, "onStart() end");
 230     }
 231
 232     @Override
 233     protected void onStop() {
 234         Log_OC.v(TAG, "onStop() start");
 235         super.onStop();
 236         Log_OC.v(TAG, "onStop() end");
 237     }
 238
 239     @Override
 240     protected void onDestroy() {
 241         Log_OC.v(TAG, "onDestroy() start");
 242         super.onDestroy();
 243         Log_OC.v(TAG, "onDestroy() end");
 244     }
 245
 246     /**
 247      * Called when the ownCloud {@link Account} associated to the Activity was just updated.
 248      */
 249     @Override
 250     protected void onAccountSet(boolean stateWasRecovered) {
 251         super.onAccountSet(stateWasRecovered);
 252         if (getAccount() != null) {
 253             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 254             // current Account
 255             OCFile file = getFile();
 256             // get parent from path
 257             String parentPath = "";
 258             if (file != null) {
 259                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 260                     // upload in progress - right now, files are not inserted in the local
 261                     // cache until the upload is successful get parent from path
 262                     parentPath = file.getRemotePath().substring(0,
 263                             file.getRemotePath().lastIndexOf(file.getFileName()));
 264                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 265                         file = null; // not able to know the directory where the file is uploading
 266                 } else {
 267                     file = getStorageManager().getFileByPath(file.getRemotePath());
 268                     // currentDir = null if not in the current Account
 269                 }
 270             }
 271             if (file == null) {
 272                 // fall back to root folder
 273                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 274             }
 275             setFile(file);
 276
 277             if (mAccountWasSet) {
 278                 setUsernameInDrawer((RelativeLayout) findViewById(R.id.left_drawer), getAccount());
 279             }
 280
 281             if (!stateWasRecovered) {
 282                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 283                 initFragmentsWithFile();
 284                 if (file.isFolder()) {
 285                     startSyncFolderOperation(file, false);
 286                 }
 287
 288             } else {
 289                 updateFragmentsVisibility(!file.isFolder());
 290                 updateActionBarTitleAndHomeButton(file.isFolder() ? null : file);
 291             }
 292         }
 293     }
 294
 295     private void createMinFragments() {
 296         OCFileListFragment listOfFiles = new OCFileListFragment();
 297         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 298         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 299         transaction.commit();
 300     }
 301
 302     private void initFragmentsWithFile() {
 303         if (getAccount() != null && getFile() != null) {
 304             /// First fragment
 305             OCFileListFragment listOfFiles = getListOfFilesFragment();
 306             if (listOfFiles != null) {
 307                 listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 308             } else {
 309                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 310             }
 311
 312             /// Second fragment
 313             OCFile file = getFile();
 314             Fragment secondFragment = chooseInitialSecondFragment(file);
 315             if (secondFragment != null) {
 316                 setSecondFragment(secondFragment);
 317                 updateFragmentsVisibility(true);
 318                 updateActionBarTitleAndHomeButton(file);
 319
 320             } else {
 321                 cleanSecondFragment();
 322                 if (file.isDown() && PreviewTextFragment.canBePreviewed(file))
 323                     startTextPreview(file);
 324             }
 325
 326             switchLayout(getFile());
 327
 328         } else {
 329             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 330             if (getAccount() == null) {
 331                 Log_OC.wtf(TAG, "\t account is NULL");
 332             }
 333             if (getFile() == null) {
 334                 Log_OC.wtf(TAG, "\t file is NULL");
 335             }
 336         }
 337     }
 338
 339     private void switchLayout(OCFile file){
 340         if (DisplayUtils.isGridView(file, getStorageManager())){
 341             switchToGridView();
 342         } else {
 343             switchToListView();
 344         }
 345     }
 346
 347     private Fragment chooseInitialSecondFragment(OCFile file) {
 348         Fragment secondFragment = null;
 349         if (file != null && !file.isFolder()) {
 350             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 351                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 352                     ) {
 353                 int startPlaybackPosition =
 354                         getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 355                 boolean autoplay =
 356                         getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 357                 secondFragment = new PreviewMediaFragment(file, getAccount(),
 358                         startPlaybackPosition, autoplay);
 359
 360             } else if (file.isDown() && PreviewTextFragment.canBePreviewed(file)) {
 361                 secondFragment = null;
 362             } else {
 363             secondFragment = FileDetailFragment.newInstance(file, getAccount());
 364         }
 365         }
 366         return secondFragment;
 367     }
 368
 369
 370     /**
 371      * Replaces the second fragment managed by the activity with the received as
 372      * a parameter.
 373      * <p/>
 374      * Assumes never will be more than two fragments managed at the same time.
 375      *
 376      * @param fragment New second Fragment to set.
 377      */
 378     private void setSecondFragment(Fragment fragment) {
 379         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 380         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 381         transaction.commit();
 382     }
 383
 384
 385     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 386         if (mDualPane) {
 387             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 388                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 389             }
 390             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 391                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 392             }
 393
 394         } else if (existsSecondFragment) {
 395             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 396                 mLeftFragmentContainer.setVisibility(View.GONE);
 397             }
 398             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 399                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 400             }
 401
 402         } else {
 403             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 404                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 405             }
 406             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 407                 mRightFragmentContainer.setVisibility(View.GONE);
 408             }
 409         }
 410     }
 411
 412
 413     private OCFileListFragment getListOfFilesFragment() {
 414         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 415                 FileDisplayActivity.TAG_LIST_OF_FILES);
 416         if (listOfFiles != null) {
 417             return (OCFileListFragment) listOfFiles;
 418         }
 419         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 420         return null;
 421     }
 422
 423     public FileFragment getSecondFragment() {
 424         Fragment second = getSupportFragmentManager().findFragmentByTag(
 425                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 426         if (second != null) {
 427             return (FileFragment) second;
 428         }
 429         return null;
 430     }
 431
 432     protected void cleanSecondFragment() {
 433         Fragment second = getSecondFragment();
 434         if (second != null) {
 435             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 436             tr.remove(second);
 437             tr.commit();
 438         }
 439         updateFragmentsVisibility(false);
 440         updateActionBarTitleAndHomeButton(null);
 441     }
 442
 443     protected void refreshListOfFilesFragment() {
 444         OCFileListFragment fileListFragment = getListOfFilesFragment();
 445         if (fileListFragment != null) {
 446             fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 447         }
 448     }
 449
 450     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath,
 451                                          boolean success) {
 452         FileFragment secondFragment = getSecondFragment();
 453         boolean waitedPreview = (mWaitingToPreview != null &&
 454                 mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 455         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 456             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 457             OCFile fileInFragment = detailsFragment.getFile();
 458             if (fileInFragment != null &&
 459                     !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 460                 // the user browsed to other file ; forget the automatic preview
 461                 mWaitingToPreview = null;
 462
 463             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 464                 // grant that the right panel updates the progress bar
 465                 detailsFragment.listenForTransferProgress();
 466                 detailsFragment.updateFileDetails(true, false);
 467
 468             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 469                 //  update the right panel
 470                 boolean detailsFragmentChanged = false;
 471                 if (waitedPreview) {
 472                     if (success) {
 473                         mWaitingToPreview = getStorageManager().getFileById(
 474                                 mWaitingToPreview.getFileId());   // update the file from database,
 475                                                                   // for the local storage path
 476                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 477                             startMediaPreview(mWaitingToPreview, 0, true);
 478                             detailsFragmentChanged = true;
 479                         } else if (PreviewTextFragment.canBePreviewed(mWaitingToPreview)) {
 480                             startTextPreview(mWaitingToPreview);
 481                             detailsFragmentChanged = true;
 482                         } else {
 483                             getFileOperationsHelper().openFile(mWaitingToPreview);
 484                         }
 485                     }
 486                     mWaitingToPreview = null;
 487                 }
 488                 if (!detailsFragmentChanged) {
 489                     detailsFragment.updateFileDetails(false, (success));
 490                 }
 491             }
 492         }
 493     }
 494
 495     @Override
 496     public boolean onPrepareOptionsMenu(Menu menu) {
 497         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 498         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 499         menu.findItem(R.id.action_sync_account).setVisible(!drawerOpen);
 500         menu.findItem(R.id.action_switch_view).setVisible(!drawerOpen);
 501
 502         return super.onPrepareOptionsMenu(menu);
 503     }
 504
 505     @Override
 506     public boolean onCreateOptionsMenu(Menu menu) {
 507         MenuInflater inflater = getMenuInflater();
 508         inflater.inflate(R.menu.main_menu, menu);
 509         menu.findItem(R.id.action_create_dir).setVisible(false);
 510         mOptionsMenu = menu;
 511
 512         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
 513
 514         changeGridIcon();
 515
 516         return true;
 517     }
 518
 519
 520     @Override
 521     public boolean onOptionsItemSelected(MenuItem item) {
 522         boolean retval = true;
 523         switch (item.getItemId()) {
 524             case R.id.action_sync_account: {
 525                 startSynchronization();
 526                 break;
 527             }
 528             case android.R.id.home: {
 529                 FileFragment second = getSecondFragment();
 530                 OCFile currentDir = getCurrentDir();
 531                 if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 532                     mDrawerLayout.closeDrawer(GravityCompat.START);
 533                 } else if((currentDir != null && currentDir.getParentId() != 0) ||
 534                         (second != null && second.getFile() != null)) {
 535                     onBackPressed();
 536
 537                 } else {
 538                     mDrawerLayout.openDrawer(GravityCompat.START);
 539                 }
 540                 break;
 541             }
 542             case R.id.action_sort: {
 543                 SharedPreferences appPreferences = PreferenceManager
 544                         .getDefaultSharedPreferences(this);
 545
 546                 // Read sorting order, default to sort by name ascending
 547                 Integer sortOrder = appPreferences
 548                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 549
 550                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 551                 builder.setTitle(R.string.actionbar_sort_title)
 552                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 553                                 new DialogInterface.OnClickListener() {
 554                             public void onClick(DialogInterface dialog, int which) {
 555                                 switch (which){
 556                                     case 0:
 557                                         sortByName(true);
 558                                         break;
 559                                     case 1:
 560                                         sortByDate(false);
 561                                         break;
 562                                 }
 563
 564                                 dialog.dismiss();
 565                             }
 566                         });
 567                 builder.create().show();
 568                 break;
 569             }
 570             case R.id.action_switch_view:{
 571                 if (isGridView()){
 572                     item.setTitle(getApplicationContext().getString(R.string.action_switch_grid_view));
 573                     item.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 574                             R.drawable.ic_view_module));
 575                     DisplayUtils.setViewMode(getFile(), false);
 576                     switchToListView();
 577                 } else {
 578                     item.setTitle(getApplicationContext().getString(R.string.action_switch_list_view));
 579                     item.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 580                             R.drawable.ic_view_list));
 581                     DisplayUtils.setViewMode(getFile(), true);
 582                     switchToGridView();
 583                 }
 584
 585                 return true;
 586             }
 587         default:
 588             retval = super.onOptionsItemSelected(item);
 589         }
 590         return retval;
 591     }
 592
 593     public void createFolder() {
 594         CreateFolderDialogFragment dialog =
 595                 CreateFolderDialogFragment.newInstance(getCurrentDir());
 596         dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 597     }
 598
 599     public void uploadLocalFilesSelected() {
 600         Intent action = new Intent(this, UploadFilesActivity.class);
 601         action.putExtra(
 602                 UploadFilesActivity.EXTRA_ACCOUNT,
 603                 getAccount()
 604         );
 605         startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 606     }
 607
 608     public void uploadFromOtherAppsSelected() {
 609         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 610         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 611         //Intent.EXTRA_ALLOW_MULTIPLE is only supported on api level 18+, Jelly Bean
 612         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 613             action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 614         }
 615         startActivityForResult(
 616                 Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 617                 ACTION_SELECT_CONTENT_FROM_APPS
 618         );
 619     }
 620
 621     private void startSynchronization() {
 622         Log_OC.d(TAG, "Got to start sync");
 623         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 624             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 625             ContentResolver.cancelSync(null, MainApp.getAuthority());
 626             // cancel the current synchronizations of any ownCloud account
 627             Bundle bundle = new Bundle();
 628             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 629             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 630             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 631                     MainApp.getAuthority());
 632             ContentResolver.requestSync(
 633                     getAccount(),
 634                     MainApp.getAuthority(), bundle);
 635         } else {
 636             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 637                     MainApp.getAuthority() + " with new API");
 638             SyncRequest.Builder builder = new SyncRequest.Builder();
 639             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 640             builder.setExpedited(true);
 641             builder.setManual(true);
 642             builder.syncOnce();
 643
 644             // Fix bug in Android Lollipop when you click on refresh the whole account
 645             Bundle extras = new Bundle();
 646             builder.setExtras(extras);
 647
 648             SyncRequest request = builder.build();
 649             ContentResolver.requestSync(request);
 650         }
 651     }
 652
 653     /**
 654      * Called, when the user selected something for uploading
 655      *
 656      */
 657     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 658     @Override
 659     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 660
 661         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 662                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 663             //getClipData is only supported on api level 16+, Jelly Bean
 664             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 665                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 666                     Intent intent = new Intent();
 667                     intent.setData(data.getClipData().getItemAt(i).getUri());
 668                     requestSimpleUpload(intent, resultCode);
 669                 }
 670             }else {
 671                 requestSimpleUpload(data, resultCode);
 672             }
 673         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 674                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 675             requestMultipleUpload(data, resultCode);
 676
 677         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 678             final Intent fData = data;
 679             final int fResultCode = resultCode;
 680             getHandler().postDelayed(
 681                     new Runnable() {
 682                         @Override
 683                         public void run() {
 684                             requestMoveOperation(fData, fResultCode);
 685                         }
 686                     },
 687                     DELAY_TO_REQUEST_OPERATIONS_LATER
 688             );
 689
 690         } else if (requestCode == ACTION_COPY_FILES && resultCode == RESULT_OK) {
 691
 692             final Intent fData = data;
 693             final int fResultCode = resultCode;
 694             getHandler().postDelayed(
 695                     new Runnable() {
 696                         @Override
 697                         public void run() {
 698                             requestCopyOperation(fData, fResultCode);
 699                         }
 700                     },
 701                     DELAY_TO_REQUEST_OPERATIONS_LATER
 702             );
 703
 704         } else {
 705             super.onActivityResult(requestCode, resultCode, data);
 706         }
 707
 708     }
 709
 710     private void requestMultipleUpload(Intent data, int resultCode) {
 711         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 712         if (filePaths != null) {
 713             String[] remotePaths = new String[filePaths.length];
 714             String remotePathBase = getCurrentDir().getRemotePath();
 715             for (int j = 0; j< remotePaths.length; j++) {
 716                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 717             }
 718
 719             Intent i = new Intent(this, FileUploader.class);
 720             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 721             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 722             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 723             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 724             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 725                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 726             startService(i);
 727
 728         } else {
 729             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 730             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 731                     Toast.LENGTH_LONG);
 732             t.show();
 733             return;
 734         }
 735     }
 736
 737
 738     private void requestSimpleUpload(Intent data, int resultCode) {
 739         String filePath = null;
 740         String mimeType = null;
 741
 742         Uri selectedImageUri = data.getData();
 743
 744         try {
 745             mimeType = getContentResolver().getType(selectedImageUri);
 746
 747             String fileManagerString = selectedImageUri.getPath();
 748             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 749
 750             if (selectedImagePath != null)
 751                 filePath = selectedImagePath;
 752             else
 753                 filePath = fileManagerString;
 754
 755         } catch (Exception e) {
 756             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 757                     "Intent.ACTION_GET_CONTENT", e);
 758
 759         } finally {
 760             if (filePath == null) {
 761                 Log_OC.e(TAG, "Couldn't resolve path to file");
 762                 Toast t = Toast.makeText(
 763                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 764                         Toast.LENGTH_LONG
 765                 );
 766                 t.show();
 767                 return;
 768             }
 769         }
 770
 771         Intent i = new Intent(this, FileUploader.class);
 772         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 773         OCFile currentDir = getCurrentDir();
 774         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 775
 776         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 777             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 778             try {
 779                 if (cursor != null && cursor.moveToFirst()) {
 780                     String displayName = cursor.getString(cursor.getColumnIndex(
 781                             OpenableColumns.DISPLAY_NAME));
 782                     Log_OC.v(TAG, "Display Name: " + displayName );
 783
 784                     displayName.replace(File.separatorChar, '_');
 785                     displayName.replace(File.pathSeparatorChar, '_');
 786                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 787
 788                 }
 789                 // and what happens in case of error?; wrong target name for the upload
 790             } finally {
 791                 cursor.close();
 792             }
 793
 794         } else {
 795             remotePath += new File(filePath).getName();
 796         }
 797
 798         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 799         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 800         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 801         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 802         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 803         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 804         startService(i);
 805     }
 806
 807     /**
 808      * Request the operation for moving the file/folder from one path to another
 809      *
 810      * @param data       Intent received
 811      * @param resultCode Result code received
 812      */
 813     private void requestMoveOperation(Intent data, int resultCode) {
 814         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 815
 816         ArrayList<OCFile> files = data.getParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES);
 817
 818         for (Parcelable file : files) {
 819             getFileOperationsHelper().moveFile(folderToMoveAt, (OCFile) file);
 820         }
 821     }
 822
 823     /**
 824      * Request the operation for copying the file/folder from one path to another
 825      *
 826      * @param data       Intent received
 827      * @param resultCode Result code received
 828      */
 829     private void requestCopyOperation(Intent data, int resultCode) {
 830         OCFile folderToMoveAt = data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 831
 832         ArrayList<OCFile> files = data.getParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES);
 833
 834         for (Parcelable file : files) {
 835             getFileOperationsHelper().copyFile(folderToMoveAt, (OCFile) file);
 836         }
 837     }
 838
 839     @Override
 840     public void onBackPressed() {
 841         boolean isFabOpen = isFabOpen();
 842         boolean isDrawerOpen = isDrawerOpen();
 843
 844         /*
 845          * BackPressed priority/hierarchy:
 846          *    1. close drawer if opened
 847          *    2. close FAB if open (only if drawer isn't open)
 848          *    3. navigate up (only if drawer and FAB aren't open)
 849          */
 850         if(isDrawerOpen && isFabOpen) {
 851             // close drawer first
 852             super.onBackPressed();
 853         } else if(isDrawerOpen && !isFabOpen) {
 854             // close drawer
 855             super.onBackPressed();
 856         } else if (!isDrawerOpen && isFabOpen) {
 857             // close fab
 858             getListOfFilesFragment().getFabMain().collapse();
 859         } else {
 860             // all closed
 861             OCFileListFragment listOfFiles = getListOfFilesFragment();
 862             if (mDualPane || getSecondFragment() == null) {
 863                 OCFile currentDir = getCurrentDir();
 864                 if (currentDir == null || currentDir.getParentId() == FileDataStorageManager.ROOT_PARENT_ID) {
 865                     finish();
 866                     return;
 867                 }
 868                 if (listOfFiles != null) {  // should never be null, indeed
 869                     listOfFiles.onBrowseUp();
 870                 }
 871             }
 872             if (listOfFiles != null) {  // should never be null, indeed
 873                 setFile(listOfFiles.getCurrentFile());
 874             }
 875             cleanSecondFragment();
 876             changeGridIcon();
 877         }
 878     }
 879
 880     private void changeGridIcon(){
 881         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
 882         if (DisplayUtils.isGridView(getFile(), getStorageManager())){
 883             menuItem.setTitle(getApplicationContext().getString(R.string.action_switch_list_view));
 884             menuItem.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 885                     R.drawable.ic_view_list));
 886         } else {
 887             menuItem.setTitle(getApplicationContext().getString(R.string.action_switch_grid_view));
 888             menuItem.setIcon(ContextCompat.getDrawable(getApplicationContext(),
 889                     R.drawable.ic_view_module));
 890         }
 891     }
 892
 893     @Override
 894     protected void onSaveInstanceState(Bundle outState) {
 895         // responsibility of restore is preferred in onCreate() before than in
 896         // onRestoreInstanceState when there are Fragments involved
 897         Log_OC.v(TAG, "onSaveInstanceState() start");
 898         super.onSaveInstanceState(outState);
 899         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 900         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 901         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 902         // mRefreshSharesInProgress);
 903         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 904
 905         Log_OC.v(TAG, "onSaveInstanceState() end");
 906     }
 907
 908
 909     @Override
 910     protected void onResume() {
 911         Log_OC.v(TAG, "onResume() start");
 912         super.onResume();
 913         // refresh Navigation Drawer account list
 914         mNavigationDrawerAdapter.updateAccountList();
 915
 916         // refresh list of files
 917         refreshListOfFilesFragment();
 918
 919         // Listen for sync messages
 920         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 921         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 922         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 923         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 924         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 925         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 926         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 927         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 928         // syncIntentFilter);
 929
 930         // Listen for upload messages
 931         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 932         mUploadFinishReceiver = new UploadFinishReceiver();
 933         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 934
 935         // Listen for download messages
 936         IntentFilter downloadIntentFilter = new IntentFilter(
 937                 FileDownloader.getDownloadAddedMessage());
 938         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 939         mDownloadFinishReceiver = new DownloadFinishReceiver();
 940         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 941
 942         Log_OC.v(TAG, "onResume() end");
 943
 944     }
 945
 946
 947     @Override
 948     protected void onPause() {
 949         Log_OC.v(TAG, "onPause() start");
 950         if (mSyncBroadcastReceiver != null) {
 951             unregisterReceiver(mSyncBroadcastReceiver);
 952             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 953             mSyncBroadcastReceiver = null;
 954         }
 955         if (mUploadFinishReceiver != null) {
 956             unregisterReceiver(mUploadFinishReceiver);
 957             mUploadFinishReceiver = null;
 958         }
 959         if (mDownloadFinishReceiver != null) {
 960             unregisterReceiver(mDownloadFinishReceiver);
 961             mDownloadFinishReceiver = null;
 962         }
 963
 964         super.onPause();
 965         Log_OC.v(TAG, "onPause() end");
 966     }
 967
 968     public boolean isFabOpen() {
 969         if(getListOfFilesFragment() != null && getListOfFilesFragment().getFabMain() != null && getListOfFilesFragment().getFabMain().isExpanded()) {
 970             return true;
 971         } else {
 972             return false;
 973         }
 974     }
 975
 976
 977     private class SyncBroadcastReceiver extends BroadcastReceiver {
 978
 979         /**
 980          * {@link BroadcastReceiver} to enable syncing feedback in UI
 981          */
 982         @Override
 983         public void onReceive(Context context, Intent intent) {
 984             try {
 985                 String event = intent.getAction();
 986                 Log_OC.d(TAG, "Received broadcast " + event);
 987                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 988                 String synchFolderRemotePath =
 989                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 990                 RemoteOperationResult synchResult =
 991                         (RemoteOperationResult)intent.getSerializableExtra(
 992                                 FileSyncAdapter.EXTRA_RESULT);
 993                 boolean sameAccount = (getAccount() != null &&
 994                         accountName.equals(getAccount().name) && getStorageManager() != null);
 995
 996                 if (sameAccount) {
 997
 998                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 999                         mSyncInProgress = true;
1000
1001                     } else {
1002                         OCFile currentFile = (getFile() == null) ? null :
1003                                 getStorageManager().getFileByPath(getFile().getRemotePath());
1004                         OCFile currentDir = (getCurrentDir() == null) ? null :
1005                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1006
1007                         if (currentDir == null) {
1008                             // current folder was removed from the server
1009                             Toast.makeText( FileDisplayActivity.this,
1010                                             String.format(
1011                                                     getString(R.string.
1012                                                             sync_current_folder_was_removed),
1013                                                    synchFolderRemotePath),
1014                                             Toast.LENGTH_LONG)
1015                                 .show();
1016
1017                             browseToRoot();
1018
1019                         } else {
1020                             if (currentFile == null && !getFile().isFolder()) {
1021                                 // currently selected file was removed in the server, and now we
1022                                 // know it
1023                                 cleanSecondFragment();
1024                                 currentFile = currentDir;
1025                             }
1026
1027                             if (synchFolderRemotePath != null &&
1028                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1029                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1030                                 if (fileListFragment != null) {
1031                                     fileListFragment.listDirectory(currentDir,
1032                                     MainApp.getOnlyOnDevice());
1033                                 }
1034                             }
1035                             setFile(currentFile);
1036                         }
1037
1038                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
1039                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
1040                                         .equals(event));
1041
1042                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1043                                     equals(event) &&/// TODO refactor and make common
1044
1045                                 synchResult != null && !synchResult.isSuccess() &&
1046                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED ||
1047                                         synchResult.isIdPRedirection() ||
1048                                         (synchResult.isException() && synchResult.getException()
1049                                                 instanceof AuthenticatorException))) {
1050
1051
1052                             try {
1053                                 OwnCloudClient client;
1054                                 OwnCloudAccount ocAccount =
1055                                         new OwnCloudAccount(getAccount(), context);
1056                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1057                                         removeClientFor(ocAccount));
1058                                 if (client != null) {
1059                                     OwnCloudCredentials cred = client.getCredentials();
1060                                     if (cred != null) {
1061                                         AccountManager am = AccountManager.get(context);
1062                                         if (cred.authTokenExpires()) {
1063                                             am.invalidateAuthToken(
1064                                                     getAccount().type,
1065                                                     cred.getAuthToken()
1066                                             );
1067                                         } else {
1068                                             am.clearPassword(getAccount());
1069                                         }
1070                                     }
1071                                 }
1072                                 requestCredentialsUpdate();
1073
1074                             } catch (AccountNotFoundException e) {
1075                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1076                             }
1077
1078                         }
1079
1080                     }
1081                     removeStickyBroadcast(intent);
1082                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1083                     mProgressBar.setIndeterminate(mSyncInProgress);
1084                     //mProgressBar.setVisibility((mSyncInProgress) ? View.VISIBLE : View.INVISIBLE);
1085                     //setSupportProgressBarIndeterminateVisibility(mSyncInProgress
1086                     /*|| mRefreshSharesInProgress*/ //);
1087
1088                     setBackgroundText();
1089
1090                 }
1091
1092                 if (synchResult != null) {
1093                     if (synchResult.getCode().equals(
1094                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1095                         mLastSslUntrustedServerResult = synchResult;
1096                     }
1097                 }
1098             } catch (RuntimeException e) {
1099                 // avoid app crashes after changing the serial id of RemoteOperationResult
1100                 // in owncloud library with broadcast notifications pending to process
1101                 removeStickyBroadcast(intent);
1102             }
1103         }
1104     }
1105
1106     /**
1107      * Show a text message on screen view for notifying user if content is
1108      * loading or folder is empty
1109      */
1110     private void setBackgroundText() {
1111         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1112         if (ocFileListFragment != null) {
1113             int message = R.string.file_list_loading;
1114             if (!mSyncInProgress) {
1115                 // In case file list is empty
1116                 message = R.string.file_list_empty;
1117             }
1118             ocFileListFragment.setMessageForEmptyList(getString(message));
1119         } else {
1120             Log_OC.e(TAG, "OCFileListFragment is null");
1121         }
1122     }
1123
1124     /**
1125      * Once the file upload has finished -> update view
1126      */
1127     private class UploadFinishReceiver extends BroadcastReceiver {
1128         /**
1129          * Once the file upload has finished -> update view
1130          *
1131          * @author David A. Velasco
1132          * {@link BroadcastReceiver} to enable upload feedback in UI
1133          */
1134         @Override
1135         public void onReceive(Context context, Intent intent) {
1136             try {
1137                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1138                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1139                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1140                 OCFile currentDir = getCurrentDir();
1141                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1142                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1143
1144                 if (sameAccount && isDescendant) {
1145                     String linkedToRemotePath =
1146                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1147                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1148                         refreshListOfFilesFragment();
1149                     }
1150                 }
1151
1152                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1153                         false);
1154                 boolean renamedInUpload = getFile().getRemotePath().
1155                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1156                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1157                         renamedInUpload;
1158                 FileFragment details = getSecondFragment();
1159                 boolean detailFragmentIsShown = (details != null &&
1160                         details instanceof FileDetailFragment);
1161
1162                 if (sameAccount && sameFile && detailFragmentIsShown) {
1163                     if (uploadWasFine) {
1164                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1165                     }
1166                     if (renamedInUpload) {
1167                         String newName = (new File(uploadedRemotePath)).getName();
1168                         Toast msg = Toast.makeText(
1169                                 context,
1170                                 String.format(
1171                                         getString(R.string.filedetails_renamed_in_upload_msg),
1172                                         newName),
1173                                 Toast.LENGTH_LONG);
1174                         msg.show();
1175                     }
1176                     if (uploadWasFine || getFile().fileExists()) {
1177                         ((FileDetailFragment) details).updateFileDetails(false, true);
1178                     } else {
1179                         cleanSecondFragment();
1180                     }
1181
1182                     // Force the preview if the file is an image or text file
1183                     if (uploadWasFine) {
1184                         OCFile ocFile = getFile();
1185                         if (PreviewImageFragment.canBePreviewed(ocFile))
1186                             startImagePreview(getFile());
1187                         else if (PreviewTextFragment.canBePreviewed(ocFile))
1188                             startTextPreview(ocFile);
1189                         // TODO what about other kind of previews?
1190                     }
1191                 }
1192
1193                 mProgressBar.setIndeterminate(false);
1194             } finally {
1195                 if (intent != null) {
1196                     removeStickyBroadcast(intent);
1197                 }
1198             }
1199
1200         }
1201
1202         // TODO refactor this receiver, and maybe DownloadFinishReceiver; this method is duplicated :S
1203         private boolean isAscendant(String linkedToRemotePath) {
1204             OCFile currentDir = getCurrentDir();
1205             return (
1206                     currentDir != null &&
1207                             currentDir.getRemotePath().startsWith(linkedToRemotePath)
1208             );
1209         }
1210
1211
1212     }
1213
1214
1215     /**
1216      * Class waiting for broadcast events from the {@link FileDownloader} service.
1217      *
1218      * Updates the UI when a download is started or finished, provided that it is relevant for the
1219      * current folder.
1220      */
1221     private class DownloadFinishReceiver extends BroadcastReceiver {
1222
1223         @Override
1224         public void onReceive(Context context, Intent intent) {
1225             try {
1226                 boolean sameAccount = isSameAccount(intent);
1227                 String downloadedRemotePath =
1228                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1229                 boolean isDescendant = isDescendant(downloadedRemotePath);
1230
1231                 if (sameAccount && isDescendant) {
1232                     String linkedToRemotePath =
1233                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1234                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1235                         refreshListOfFilesFragment();
1236                     }
1237                     refreshSecondFragment(
1238                             intent.getAction(),
1239                             downloadedRemotePath,
1240                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1241                     );
1242                 }
1243
1244                 if (mWaitingToSend != null) {
1245                     mWaitingToSend =
1246                             getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1247                     if (mWaitingToSend.isDown()) {
1248                         sendDownloadedFile();
1249                     }
1250                 }
1251
1252             } finally {
1253                 if (intent != null) {
1254                     removeStickyBroadcast(intent);
1255                 }
1256             }
1257         }
1258
1259         private boolean isDescendant(String downloadedRemotePath) {
1260             OCFile currentDir = getCurrentDir();
1261             return (
1262                 currentDir != null &&
1263                 downloadedRemotePath != null &&
1264                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1265             );
1266         }
1267
1268         private boolean isAscendant(String linkedToRemotePath) {
1269             OCFile currentDir = getCurrentDir();
1270             return (
1271                 currentDir != null &&
1272                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1273             );
1274         }
1275
1276         private boolean isSameAccount(Intent intent) {
1277             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1278             return (accountName != null && getAccount() != null &&
1279                     accountName.equals(getAccount().name));
1280         }
1281     }
1282
1283
1284     public void browseToRoot() {
1285         OCFileListFragment listOfFiles = getListOfFilesFragment();
1286         if (listOfFiles != null) {  // should never be null, indeed
1287             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1288             listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1289             setFile(listOfFiles.getCurrentFile());
1290             startSyncFolderOperation(root, false);
1291         }
1292         cleanSecondFragment();
1293     }
1294
1295
1296     /**
1297      * {@inheritDoc}
1298      * <p/>
1299      * Updates action bar and second fragment, if in dual pane mode.
1300      */
1301     @Override
1302     public void onBrowsedDownTo(OCFile directory) {
1303         setFile(directory);
1304         cleanSecondFragment();
1305         // Sync Folder
1306         startSyncFolderOperation(directory, false);
1307
1308         MenuItem menuItem = mOptionsMenu.findItem(R.id.action_switch_view);
1309
1310         changeGridIcon();
1311         switchLayout(directory);
1312     }
1313
1314     /**
1315      * Shows the information of the {@link OCFile} received as a
1316      * parameter in the second fragment.
1317      *
1318      * @param file {@link OCFile} whose details will be shown
1319      */
1320     @Override
1321     public void showDetails(OCFile file) {
1322         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1323         setSecondFragment(detailFragment);
1324         updateFragmentsVisibility(true);
1325         updateActionBarTitleAndHomeButton(file);
1326         setFile(file);
1327     }
1328
1329     @Override
1330     protected void updateActionBarTitleAndHomeButton(OCFile chosenFile) {
1331         if (mDualPane) {
1332             // in dual pane mode, keep the focus of title an action bar in the current folder
1333             super.updateActionBarTitleAndHomeButton(getCurrentDir());
1334
1335         } else {
1336             super.updateActionBarTitleAndHomeButton(chosenFile);
1337         }
1338
1339     }
1340
1341     @Override
1342     protected ServiceConnection newTransferenceServiceConnection() {
1343         return new ListServiceConnection();
1344     }
1345
1346     /**
1347      * Defines callbacks for service binding, passed to bindService()
1348      */
1349     private class ListServiceConnection implements ServiceConnection {
1350
1351         @Override
1352         public void onServiceConnected(ComponentName component, IBinder service) {
1353             if (component.equals(new ComponentName(
1354                     FileDisplayActivity.this, FileDownloader.class))) {
1355                 Log_OC.d(TAG, "Download service connected");
1356                 mDownloaderBinder = (FileDownloaderBinder) service;
1357                 if (mWaitingToPreview != null)
1358                     if (getStorageManager() != null) {
1359                          // update the file
1360                         mWaitingToPreview =
1361                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1362                         if (!mWaitingToPreview.isDown()) {
1363                             requestForDownload();
1364                         }
1365                     }
1366
1367             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1368                     FileUploader.class))) {
1369                 Log_OC.d(TAG, "Upload service connected");
1370                 mUploaderBinder = (FileUploaderBinder) service;
1371             } else {
1372                 return;
1373             }
1374             // a new chance to get the mDownloadBinder through
1375             // getFileDownloadBinder() - THIS IS A MESS
1376             OCFileListFragment listOfFiles = getListOfFilesFragment();
1377             if (listOfFiles != null) {
1378                 listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1379             }
1380             FileFragment secondFragment = getSecondFragment();
1381             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1382                 FileDetailFragment detailFragment = (FileDetailFragment) secondFragment;
1383                 detailFragment.listenForTransferProgress();
1384                 detailFragment.updateFileDetails(false, false);
1385             }
1386         }
1387
1388         @Override
1389         public void onServiceDisconnected(ComponentName component) {
1390             if (component.equals(new ComponentName(FileDisplayActivity.this,
1391                     FileDownloader.class))) {
1392                 Log_OC.d(TAG, "Download service disconnected");
1393                 mDownloaderBinder = null;
1394             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1395                     FileUploader.class))) {
1396                 Log_OC.d(TAG, "Upload service disconnected");
1397                 mUploaderBinder = null;
1398             }
1399         }
1400     }
1401
1402     @Override
1403     public void onSavedCertificate() {
1404         startSyncFolderOperation(getCurrentDir(), false);
1405     }
1406
1407
1408     @Override
1409     public void onFailedSavingCertificate() {
1410         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1411                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1412         );
1413         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1414     }
1415
1416     @Override
1417     public void onCancelCertificate() {
1418         // nothing to do
1419     }
1420
1421     /**
1422      * Updates the view associated to the activity after the finish of some operation over files
1423      * in the current account.
1424      *
1425      * @param operation Removal operation performed.
1426      * @param result    Result of the removal.
1427      */
1428     @Override
1429     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1430         super.onRemoteOperationFinish(operation, result);
1431
1432         if (operation instanceof RemoveFileOperation) {
1433             onRemoveFileOperationFinish((RemoveFileOperation) operation, result);
1434
1435         } else if (operation instanceof RenameFileOperation) {
1436             onRenameFileOperationFinish((RenameFileOperation) operation, result);
1437
1438         } else if (operation instanceof SynchronizeFileOperation) {
1439             onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
1440
1441         } else if (operation instanceof CreateFolderOperation) {
1442             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
1443
1444         } else if (operation instanceof CreateShareViaLinkOperation ||
1445                     operation instanceof CreateShareWithShareeOperation ) {
1446
1447             refreshShowDetails();
1448             refreshListOfFilesFragment();
1449
1450         } else if (operation instanceof UnshareOperation) {
1451             onUnshareLinkOperationFinish((UnshareOperation) operation, result);
1452
1453         } else if (operation instanceof MoveFileOperation) {
1454             onMoveFileOperationFinish((MoveFileOperation) operation, result);
1455
1456         } else if (operation instanceof CopyFileOperation) {
1457             onCopyFileOperationFinish((CopyFileOperation) operation, result);
1458         }
1459
1460     }
1461
1462     private void onUnshareLinkOperationFinish(UnshareOperation operation,
1463                                               RemoteOperationResult result) {
1464         if (result.isSuccess()) {
1465             refreshShowDetails();
1466             refreshListOfFilesFragment();
1467
1468         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1469             cleanSecondFragment();
1470             refreshListOfFilesFragment();
1471         }
1472     }
1473
1474     private void refreshShowDetails() {
1475         FileFragment details = getSecondFragment();
1476         if (details != null) {
1477             OCFile file = details.getFile();
1478             if (file != null) {
1479                 file = getStorageManager().getFileByPath(file.getRemotePath());
1480                 if (details instanceof PreviewMediaFragment) {
1481                     // Refresh  OCFile of the fragment
1482                     ((PreviewMediaFragment) details).updateFile(file);
1483                 } else if (details instanceof PreviewTextFragment) {
1484                     // Refresh  OCFile of the fragment
1485                     ((PreviewTextFragment) details).updateFile(file);
1486                 } else {
1487                     showDetails(file);
1488                 }
1489             }
1490             invalidateOptionsMenu();
1491         }
1492     }
1493
1494     /**
1495      * Updates the view associated to the activity after the finish of an operation trying to
1496      * remove a file.
1497      *
1498      * @param operation     Removal operation performed.
1499      * @param result        Result of the removal.
1500      */
1501     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1502                                              RemoteOperationResult result) {
1503         Toast msg = Toast.makeText(this,
1504                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1505                 Toast.LENGTH_LONG);
1506         msg.show();
1507
1508         if (result.isSuccess()) {
1509             OCFile removedFile = operation.getFile();
1510             FileFragment second = getSecondFragment();
1511             if (second != null && removedFile.equals(second.getFile())) {
1512                 if (second instanceof PreviewMediaFragment) {
1513                     ((PreviewMediaFragment) second).stopPreview(true);
1514                 }
1515                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1516                 cleanSecondFragment();
1517             }
1518             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())){
1519                 refreshListOfFilesFragment();
1520             }
1521             invalidateOptionsMenu();
1522         } else {
1523             if (result.isSslRecoverableException()) {
1524                 mLastSslUntrustedServerResult = result;
1525                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1526             }
1527         }
1528     }
1529
1530
1531     /**
1532      * Updates the view associated to the activity after the finish of an operation trying to move a
1533      * file.
1534      *
1535      * @param operation Move operation performed.
1536      * @param result    Result of the move operation.
1537      */
1538     private void onMoveFileOperationFinish(MoveFileOperation operation,
1539                                            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 copy a
1557      * file.
1558      *
1559      * @param operation Copy operation performed.
1560      * @param result    Result of the copy operation.
1561      */
1562     private void onCopyFileOperationFinish(CopyFileOperation operation, RemoteOperationResult result) {
1563         if (result.isSuccess()) {
1564             refreshListOfFilesFragment();
1565         } else {
1566             try {
1567                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1568                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1569                         Toast.LENGTH_LONG);
1570                 msg.show();
1571
1572             } catch (NotFoundException e) {
1573                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1574             }
1575         }
1576     }
1577
1578     /**
1579      * Updates the view associated to the activity after the finish of an operation trying to rename
1580      * a file.
1581      *
1582      * @param operation     Renaming operation performed.
1583      * @param result        Result of the renaming.
1584      */
1585     private void onRenameFileOperationFinish(RenameFileOperation operation,
1586                                              RemoteOperationResult result) {
1587         OCFile renamedFile = operation.getFile();
1588         if (result.isSuccess()) {
1589             FileFragment details = getSecondFragment();
1590             if (details != null) {
1591                 if (details instanceof FileDetailFragment &&
1592                         renamedFile.equals(details.getFile()) ) {
1593                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1594                     showDetails(renamedFile);
1595
1596                 } else if (details instanceof PreviewMediaFragment &&
1597                         renamedFile.equals(details.getFile())) {
1598                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1599                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1600                         int position = ((PreviewMediaFragment) details).getPosition();
1601                         startMediaPreview(renamedFile, position, true);
1602                     } else {
1603                         getFileOperationsHelper().openFile(renamedFile);
1604                     }
1605                 } else if (details instanceof PreviewTextFragment &&
1606                         renamedFile.equals(details.getFile())) {
1607                     ((PreviewTextFragment) details).updateFile(renamedFile);
1608                     if (PreviewTextFragment.canBePreviewed(renamedFile)) {
1609                         startTextPreview(renamedFile);
1610                     } else {
1611                         getFileOperationsHelper().openFile(renamedFile);
1612                     }
1613                 }
1614             }
1615
1616             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1617                 refreshListOfFilesFragment();
1618             }
1619
1620         } else {
1621             Toast msg = Toast.makeText(this,
1622                     ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1623                     Toast.LENGTH_LONG);
1624             msg.show();
1625
1626             if (result.isSslRecoverableException()) {
1627                 mLastSslUntrustedServerResult = result;
1628                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1629             }
1630         }
1631     }
1632
1633     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
1634                                                   RemoteOperationResult result) {
1635         if (result.isSuccess()) {
1636             if (operation.transferWasRequested()) {
1637                 OCFile syncedFile = operation.getLocalFile();
1638                 onTransferStateChanged(syncedFile, true, true);
1639                 invalidateOptionsMenu();
1640                 refreshShowDetails();
1641             }
1642         }
1643     }
1644
1645     /**
1646      * Updates the view associated to the activity after the finish of an operation trying create a
1647      * new folder
1648      *
1649      * @param operation     Creation operation performed.
1650      * @param result        Result of the creation.
1651      */
1652     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1653                                                RemoteOperationResult result) {
1654         if (result.isSuccess()) {
1655             refreshListOfFilesFragment();
1656         } else {
1657             try {
1658                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1659                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1660                         Toast.LENGTH_LONG);
1661                 msg.show();
1662
1663             } catch (NotFoundException e) {
1664                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1665             }
1666         }
1667     }
1668
1669
1670     /**
1671      * {@inheritDoc}
1672      */
1673     @Override
1674     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1675         refreshListOfFilesFragment();
1676         FileFragment details = getSecondFragment();
1677         if (details != null && details instanceof FileDetailFragment &&
1678                 file.equals(details.getFile()) ) {
1679             if (downloading || uploading) {
1680                 ((FileDetailFragment) details).updateFileDetails(file, getAccount());
1681             } else {
1682                 if (!file.fileExists()) {
1683                     cleanSecondFragment();
1684                 } else {
1685                     ((FileDetailFragment) details).updateFileDetails(false, true);
1686                 }
1687             }
1688         }
1689
1690     }
1691
1692
1693     private void requestForDownload() {
1694         Account account = getAccount();
1695         //if (!mWaitingToPreview.isDownloading()) {
1696         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1697             Intent i = new Intent(this, FileDownloader.class);
1698             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1699             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1700             startService(i);
1701         }
1702     }
1703
1704
1705     private OCFile getCurrentDir() {
1706         OCFile file = getFile();
1707         if (file != null) {
1708             if (file.isFolder()) {
1709                 return file;
1710             } else if (getStorageManager() != null) {
1711                 String parentPath = file.getRemotePath().substring(0,
1712                         file.getRemotePath().lastIndexOf(file.getFileName()));
1713                 return getStorageManager().getFileByPath(parentPath);
1714             }
1715         }
1716         return null;
1717     }
1718
1719     /**
1720      * Starts an operation to refresh the requested folder.
1721      *
1722      * The operation is run in a new background thread created on the fly.
1723      *
1724      * The refresh updates is a "light sync": properties of regular files in folder are updated (including
1725      * associated shares), but not their contents. Only the contents of files marked to be kept-in-sync are
1726      * synchronized too.
1727      *
1728      * @param folder        Folder to refresh.
1729      * @param ignoreETag    If 'true', the data from the server will be fetched and sync'ed even if the eTag
1730      *                      didn't change.
1731      */
1732     public void startSyncFolderOperation(final OCFile folder, final boolean ignoreETag) {
1733
1734         // the execution is slightly delayed to allow the activity get the window focus if it's being started
1735         // or if the method is called from a dialog that is being dismissed
1736         getHandler().postDelayed(
1737                 new Runnable() {
1738                     @Override
1739                     public void run() {
1740                         if (hasWindowFocus()) {
1741                             long currentSyncTime = System.currentTimeMillis();
1742                             mSyncInProgress = true;
1743
1744                             // perform folder synchronization
1745                             RemoteOperation synchFolderOp = new RefreshFolderOperation(folder,
1746                                     currentSyncTime,
1747                                     false,
1748                                     getFileOperationsHelper().isSharedSupported(),
1749                                     ignoreETag,
1750                                     getStorageManager(),
1751                                     getAccount(),
1752                                     getApplicationContext()
1753                             );
1754                             synchFolderOp.execute(
1755                                     getAccount(),
1756                                     MainApp.getAppContext(),
1757                                     FileDisplayActivity.this,
1758                                     null,
1759                                     null
1760                             );
1761
1762                             mProgressBar.setIndeterminate(true);
1763
1764                             setBackgroundText();
1765
1766                         }   // else: NOTHING ; lets' not refresh when the user rotates the device but there is
1767                         // another window floating over
1768                     }
1769                 },
1770                 DELAY_TO_REQUEST_OPERATIONS_LATER
1771         );
1772
1773     }
1774
1775     /**
1776      * Show untrusted cert dialog
1777      */
1778     public void showUntrustedCertDialog(RemoteOperationResult result) {
1779         // Show a dialog with the certificate info
1780         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1781                 (CertificateCombinedException) result.getException());
1782         FragmentManager fm = getSupportFragmentManager();
1783         FragmentTransaction ft = fm.beginTransaction();
1784         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1785     }
1786
1787     private void requestForDownload(OCFile file) {
1788         Account account = getAccount();
1789         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1790             Intent i = new Intent(this, FileDownloader.class);
1791             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1792             i.putExtra(FileDownloader.EXTRA_FILE, file);
1793             startService(i);
1794         }
1795     }
1796
1797     private void sendDownloadedFile() {
1798         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1799         mWaitingToSend = null;
1800     }
1801
1802
1803     /**
1804      * Requests the download of the received {@link OCFile} , updates the UI
1805      * to monitor the download progress and prepares the activity to send the file
1806      * when the download finishes.
1807      *
1808      * @param file {@link OCFile} to download and preview.
1809      */
1810     public void startDownloadForSending(OCFile file) {
1811         mWaitingToSend = file;
1812         requestForDownload(mWaitingToSend);
1813         boolean hasSecondFragment = (getSecondFragment() != null);
1814         updateFragmentsVisibility(hasSecondFragment);
1815     }
1816
1817     /**
1818      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1819      *
1820      * @param file Image {@link OCFile} to show.
1821      */
1822     public void startImagePreview(OCFile file) {
1823         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1824         showDetailsIntent.putExtra(EXTRA_FILE, file);
1825         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1826         startActivity(showDetailsIntent);
1827     }
1828
1829     /**
1830      * Stars the preview of an already down media {@link OCFile}.
1831      *
1832      * @param file                      Media {@link OCFile} to preview.
1833      * @param startPlaybackPosition     Media position where the playback will be started,
1834      *                                  in milliseconds.
1835      * @param autoplay                  When 'true', the playback will start without user
1836      *                                  interactions.
1837      */
1838     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1839         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1840                 autoplay);
1841         setSecondFragment(mediaFragment);
1842         updateFragmentsVisibility(true);
1843         updateActionBarTitleAndHomeButton(file);
1844         setFile(file);
1845     }
1846
1847     /**
1848      * Stars the preview of a text file {@link OCFile}.
1849      *
1850      * @param file Text {@link OCFile} to preview.
1851      */
1852     public void startTextPreview(OCFile file) {
1853         Bundle args = new Bundle();
1854         args.putParcelable(EXTRA_FILE, file);
1855         args.putParcelable(EXTRA_ACCOUNT, getAccount());
1856         Fragment textPreviewFragment = Fragment.instantiate(getApplicationContext(),
1857                 PreviewTextFragment.class.getName(), args);
1858         setSecondFragment(textPreviewFragment);
1859         updateFragmentsVisibility(true);
1860         //updateNavigationElementsInActionBar(file);
1861         setFile(file);
1862     }
1863
1864     /**
1865      * Requests the download of the received {@link OCFile} , updates the UI
1866      * to monitor the download progress and prepares the activity to preview
1867      * or open the file when the download finishes.
1868      *
1869      * @param file {@link OCFile} to download and preview.
1870      */
1871     public void startDownloadForPreview(OCFile file) {
1872         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1873         setSecondFragment(detailFragment);
1874         mWaitingToPreview = file;
1875         requestForDownload();
1876         updateFragmentsVisibility(true);
1877         updateActionBarTitleAndHomeButton(file);
1878         setFile(file);
1879     }
1880
1881
1882     public void cancelTransference(OCFile file) {
1883         getFileOperationsHelper().cancelTransference(file);
1884         if (mWaitingToPreview != null &&
1885                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1886             mWaitingToPreview = null;
1887         }
1888         if (mWaitingToSend != null &&
1889                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1890             mWaitingToSend = null;
1891         }
1892         onTransferStateChanged(file, false, false);
1893     }
1894
1895     @Override
1896     public void onRefresh(boolean ignoreETag) {
1897         refreshList(ignoreETag);
1898     }
1899
1900     @Override
1901     public void onRefresh() {
1902         refreshList(true);
1903     }
1904
1905     private void refreshList(boolean ignoreETag) {
1906         OCFileListFragment listOfFiles = getListOfFilesFragment();
1907         if (listOfFiles != null) {
1908             OCFile folder = listOfFiles.getCurrentFile();
1909             if (folder != null) {
1910                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1911                 listDirectory(mFile);*/
1912                 startSyncFolderOperation(folder, ignoreETag);
1913             }
1914         }
1915     }
1916
1917     private void sortByDate(boolean ascending) {
1918         getListOfFilesFragment().sortByDate(ascending);
1919     }
1920
1921     private void sortBySize(boolean ascending) {
1922         getListOfFilesFragment().sortBySize(ascending);
1923     }
1924
1925     private void sortByName(boolean ascending) {
1926         getListOfFilesFragment().sortByName(ascending);
1927     }
1928     private boolean isGridView(){ return getListOfFilesFragment().isGridView(); }
1929     private void switchToGridView() {
1930         getListOfFilesFragment().switchToGridView();
1931     }
1932     private void switchToListView() {
1933         getListOfFilesFragment().switchToListView();
1934     }
1935
1936    public void allFilesOption() {
1937        browseToRoot();
1938    }
1939
1940     public void refreshDirectory(){
1941         getListOfFilesFragment().refreshDirectory();
1942     }
1943 }