src/com/owncloud/android/ui/activity/FileDisplayActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import android.accounts.Account;
  22 import android.accounts.AccountManager;
  23 import android.accounts.AuthenticatorException;
  24 import android.accounts.OperationCanceledException;
  25 import android.app.AlertDialog;
  26 import android.app.Dialog;
  27 import android.app.ProgressDialog;
  28 import android.content.BroadcastReceiver;
  29 import android.content.ComponentName;
  30 import android.content.ContentResolver;
  31 import android.content.Context;
  32 import android.content.DialogInterface;
  33 import android.content.Intent;
  34 import android.content.IntentFilter;
  35 import android.content.ServiceConnection;
  36 import android.content.SharedPreferences;
  37 import android.content.SyncRequest;
  38 import android.content.res.Resources.NotFoundException;
  39 import android.database.Cursor;
  40 import android.net.Uri;
  41 import android.os.Bundle;
  42 import android.os.IBinder;
  43 import android.preference.PreferenceManager;
  44 import android.provider.MediaStore;
  45 import android.support.v4.app.Fragment;
  46 import android.support.v4.app.FragmentManager;
  47 import android.support.v4.app.FragmentTransaction;
  48 import android.view.View;
  49 import android.view.ViewGroup;
  50 import android.widget.ArrayAdapter;
  51 import android.widget.TextView;
  52 import android.widget.Toast;
  53
  54 import com.actionbarsherlock.app.ActionBar;
  55 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  56 import com.actionbarsherlock.view.Menu;
  57 import com.actionbarsherlock.view.MenuInflater;
  58 import com.actionbarsherlock.view.MenuItem;
  59 import com.actionbarsherlock.view.Window;
  60 import com.owncloud.android.BuildConfig;
  61 import com.owncloud.android.MainApp;
  62 import com.owncloud.android.R;
  63 import com.owncloud.android.datamodel.OCFile;
  64 import com.owncloud.android.files.services.FileDownloader;
  65 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  66 import com.owncloud.android.files.services.FileUploader;
  67 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  68 import com.owncloud.android.lib.common.OwnCloudAccount;
  69 import com.owncloud.android.lib.common.OwnCloudClient;
  70 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  71 import com.owncloud.android.lib.common.OwnCloudCredentials;
  72 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  73 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  74 import com.owncloud.android.lib.common.operations.RemoteOperation;
  75 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  76 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  77 import com.owncloud.android.lib.common.utils.Log_OC;
  78 import com.owncloud.android.operations.CreateFolderOperation;
  79 import com.owncloud.android.operations.CreateShareOperation;
  80 import com.owncloud.android.operations.MoveFileOperation;
  81 import com.owncloud.android.operations.RemoveFileOperation;
  82 import com.owncloud.android.operations.RenameFileOperation;
  83 import com.owncloud.android.operations.SynchronizeFileOperation;
  84 import com.owncloud.android.operations.SynchronizeFolderOperation;
  85 import com.owncloud.android.operations.UnshareLinkOperation;
  86 import com.owncloud.android.services.observer.FileObserverService;
  87 import com.owncloud.android.syncadapter.FileSyncAdapter;
  88 import com.owncloud.android.ui.adapter.FileListListAdapter;
  89 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  90 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  91 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  92 import com.owncloud.android.ui.fragment.FileDetailFragment;
  93 import com.owncloud.android.ui.fragment.FileFragment;
  94 import com.owncloud.android.ui.fragment.OCFileListFragment;
  95 import com.owncloud.android.ui.preview.PreviewImageActivity;
  96 import com.owncloud.android.ui.preview.PreviewImageFragment;
  97 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  98 import com.owncloud.android.ui.preview.PreviewTextFragment;
  99 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 100 import com.owncloud.android.utils.DisplayUtils;
 101 import com.owncloud.android.utils.ErrorMessageAdapter;
 102
 103 import java.io.File;
 104 import java.io.IOException;
 105
 106
 107 /**
 108  * Displays, what files the user has available in his ownCloud.
 109  *
 110  * @author Bartek Przybylski
 111  * @author David A. Velasco
 112  */
 113
 114 public class FileDisplayActivity extends HookActivity implements
 115         FileFragment.ContainerActivity, OnNavigationListener,
 116         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 117
 118     private ArrayAdapter<String> mDirectories;
 119
 120     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 121     private UploadFinishReceiver mUploadFinishReceiver;
 122     private DownloadFinishReceiver mDownloadFinishReceiver;
 123     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 124
 125     private boolean mDualPane;
 126     private View mLeftFragmentContainer;
 127     private View mRightFragmentContainer;
 128
 129     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 130     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 131     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 132
 133     public static final int DIALOG_SHORT_WAIT = 0;
 134     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 135     private static final int DIALOG_CERT_NOT_SAVED = 2;
 136
 137     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 138
 139     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 140     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 141     public static final int ACTION_MOVE_FILES = 3;
 142
 143     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 144
 145     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 146     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 147
 148     private OCFile mWaitingToPreview;
 149
 150     private boolean mSyncInProgress = false;
 151
 152     private String DIALOG_UNTRUSTED_CERT;
 153
 154     private OCFile mWaitingToSend;
 155
 156     @Override
 157     protected void onCreate(Bundle savedInstanceState) {
 158         Log_OC.d(TAG, "onCreate() start");
 159         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 160
 161         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 162
 163         // PIN CODE request ;  best location is to decide, let's try this first
 164         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 165             requestPinCode();
 166         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 167             requestPinCode();
 168         }
 169
 170         /// grant that FileObserverService is watching favourite files
 171         if (savedInstanceState == null) {
 172             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 173             startService(initObserversIntent);
 174         }
 175
 176         /// Load of saved instance state
 177         if (savedInstanceState != null) {
 178             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 179             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 180             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 181
 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         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 193         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 194         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 195         if (savedInstanceState == null) {
 196             createMinFragments();
 197         }
 198
 199         // Action bar setup
 200         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 201         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 202         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 203
 204         setBackgroundText();
 205
 206         Log_OC.d(TAG, "onCreate() end");
 207     }
 208
 209     @Override
 210     protected void onStart() {
 211         super.onStart();
 212         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 213     }
 214
 215     @Override
 216     protected void onDestroy() {
 217         super.onDestroy();
 218     }
 219
 220     /**
 221      * Called when the ownCloud {@link Account} associated to the Activity was just updated.
 222      */
 223     @Override
 224     protected void onAccountSet(boolean stateWasRecovered) {
 225         super.onAccountSet(stateWasRecovered);
 226         if (getAccount() != null) {
 227             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 228             OCFile file = getFile();
 229             // get parent from path
 230             String parentPath = "";
 231             if (file != null) {
 232                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 233                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 234                     // get parent from path
 235                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 236                     if (getStorageManager().getFileByPath(parentPath) == null)
 237                         file = null; // not able to know the directory where the file is uploading
 238                 } else {
 239                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 240                 }
 241             }
 242             if (file == null) {
 243                 // fall back to root folder
 244                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 245             }
 246             setFile(file);
 247             setNavigationListWithFolder(file);
 248
 249             if (!stateWasRecovered) {
 250                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 251                 initFragmentsWithFile();
 252                 if (file.isFolder()) {
 253                     startSyncFolderOperation(file, false);
 254                 }
 255
 256             } else {
 257                 updateFragmentsVisibility(!file.isFolder());
 258                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 259             }
 260         }
 261     }
 262
 263
 264     private void setNavigationListWithFolder(OCFile file) {
 265         mDirectories.clear();
 266         OCFile fileIt = file;
 267         String parentPath;
 268         while (fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 269             if (fileIt.isFolder()) {
 270                 mDirectories.add(fileIt.getFileName());
 271             }
 272             // get parent from path
 273             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 274             fileIt = getStorageManager().getFileByPath(parentPath);
 275         }
 276         mDirectories.add(OCFile.PATH_SEPARATOR);
 277     }
 278
 279
 280     private void createMinFragments() {
 281         OCFileListFragment listOfFiles = new OCFileListFragment();
 282         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 283         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 284         transaction.commit();
 285     }
 286
 287     private void initFragmentsWithFile() {
 288         if (getAccount() != null && getFile() != null) {
 289             /// First fragment
 290             OCFileListFragment listOfFiles = getListOfFilesFragment();
 291             if (listOfFiles != null) {
 292                 listOfFiles.listDirectory(getCurrentDir());
 293             } else {
 294                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 295             }
 296
 297             /// Second fragment
 298             OCFile file = getFile();
 299             Fragment secondFragment = chooseInitialSecondFragment(file);
 300             if (secondFragment != null) {
 301                 setSecondFragment(secondFragment);
 302                 updateFragmentsVisibility(true);
 303                 updateNavigationElementsInActionBar(file);
 304
 305             } else {
 306                 cleanSecondFragment();
 307                 if (file.isDown() && PreviewTextFragment.canBePreviewed(file))
 308                     startTextPreview(file);
 309             }
 310
 311         } else {
 312             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 313             if (getAccount() == null) {
 314                 Log_OC.wtf(TAG, "\t account is NULL");
 315             }
 316             if (getFile() == null) {
 317                 Log_OC.wtf(TAG, "\t file is NULL");
 318             }
 319         }
 320     }
 321
 322     private Fragment chooseInitialSecondFragment(OCFile file) {
 323         Fragment secondFragment = null;
 324         if (file != null && !file.isFolder()) {
 325             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 326                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 327                     ) {
 328                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 329                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 330                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 331
 332             } else if (file.isDown() && PreviewTextFragment.canBePreviewed(file)) {
 333                 secondFragment = null;
 334             } else secondFragment = new FileDetailFragment(file, getAccount());
 335         }
 336         return secondFragment;
 337     }
 338
 339
 340     /**
 341      * Replaces the second fragment managed by the activity with the received as
 342      * a parameter.
 343      * <p/>
 344      * Assumes never will be more than two fragments managed at the same time.
 345      *
 346      * @param fragment New second Fragment to set.
 347      */
 348     private void setSecondFragment(Fragment fragment) {
 349         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 350         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 351         transaction.commit();
 352     }
 353
 354
 355     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 356         if (mDualPane) {
 357             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 358                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 359             }
 360             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 361                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 362             }
 363
 364         } else if (existsSecondFragment) {
 365             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 366                 mLeftFragmentContainer.setVisibility(View.GONE);
 367             }
 368             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 369                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 370             }
 371
 372         } else {
 373             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 374                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 375             }
 376             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 377                 mRightFragmentContainer.setVisibility(View.GONE);
 378             }
 379         }
 380     }
 381
 382
 383     private OCFileListFragment getListOfFilesFragment() {
 384         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 385         if (listOfFiles != null) {
 386             return (OCFileListFragment) listOfFiles;
 387         }
 388         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 389         return null;
 390     }
 391
 392     public FileFragment getSecondFragment() {
 393         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 394         if (second != null) {
 395             return (FileFragment) second;
 396         }
 397         return null;
 398     }
 399
 400     protected void cleanSecondFragment() {
 401         Fragment second = getSecondFragment();
 402         if (second != null) {
 403             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 404             tr.remove(second);
 405             tr.commit();
 406         }
 407         updateFragmentsVisibility(false);
 408         updateNavigationElementsInActionBar(null);
 409     }
 410
 411     protected void refreshListOfFilesFragment() {
 412         OCFileListFragment fileListFragment = getListOfFilesFragment();
 413         if (fileListFragment != null) {
 414             fileListFragment.listDirectory();
 415         }
 416     }
 417
 418     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 419         FileFragment secondFragment = getSecondFragment();
 420         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 421         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 422             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 423             OCFile fileInFragment = detailsFragment.getFile();
 424             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 425                 // the user browsed to other file ; forget the automatic preview
 426                 mWaitingToPreview = null;
 427
 428             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 429                 // grant that the right panel updates the progress bar
 430                 detailsFragment.listenForTransferProgress();
 431                 detailsFragment.updateFileDetails(true, false);
 432
 433             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 434                 //  update the right panel
 435                 boolean detailsFragmentChanged = false;
 436                 if (waitedPreview) {
 437                     if (success) {
 438                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 439                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 440                             startMediaPreview(mWaitingToPreview, 0, true);
 441                             detailsFragmentChanged = true;
 442                         } else if (PreviewTextFragment.canBePreviewed(mWaitingToPreview)) {
 443                             startTextPreview(mWaitingToPreview);
 444                             detailsFragmentChanged = true;
 445                         } else {
 446                             getFileOperationsHelper().openFile(mWaitingToPreview);
 447                         }
 448                     }
 449                     mWaitingToPreview = null;
 450                 }
 451                 if (!detailsFragmentChanged) {
 452                     detailsFragment.updateFileDetails(false, (success));
 453                 }
 454             }
 455         }
 456     }
 457
 458     @Override
 459     public boolean onPrepareOptionsMenu(Menu menu) {
 460         if (BuildConfig.DEBUG) {
 461             menu.findItem(R.id.action_logger).setVisible(true);
 462         } else {
 463             menu.findItem(R.id.action_logger).setVisible(false);
 464         }
 465         return super.onPrepareOptionsMenu(menu);
 466     }
 467
 468     @Override
 469     public boolean onCreateOptionsMenu(Menu menu) {
 470         MenuInflater inflater = getSherlock().getMenuInflater();
 471         inflater.inflate(R.menu.main_menu, menu);
 472         return true;
 473     }
 474
 475     @Override
 476     public boolean onOptionsItemSelected(MenuItem item) {
 477         boolean retval = true;
 478         switch (item.getItemId()) {
 479             case R.id.action_create_dir: {
 480                 CreateFolderDialogFragment dialog =
 481                         CreateFolderDialogFragment.newInstance(getCurrentDir());
 482                 dialog.show(getSupportFragmentManager(), "createdirdialog");
 483                 break;
 484             }
 485             case R.id.action_sort: {
 486                 SharedPreferences appPreferences = PreferenceManager
 487                         .getDefaultSharedPreferences(this);
 488
 489                 // Read sorting order, default to sort by name ascending
 490                 Integer sortOrder = appPreferences
 491                         .getInt("sortOrder", FileListListAdapter.SORT_NAME);
 492
 493                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 494                 builder.setTitle(R.string.actionbar_sort_title)
 495                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder, new DialogInterface.OnClickListener() {
 496                             public void onClick(DialogInterface dialog, int which) {
 497
 498                                 switch (which) {
 499                                     case 0:
 500                                         sortByName(true);
 501                                         break;
 502                                     case 1:
 503                                         sortByDate(false);
 504                                         break;
 505
 506 // TODO re-enable when server-side folder size calculation is available
 507 //                    case 2:
 508 //                        sortBySize(false);
 509 //                        break;
 510                                 }
 511
 512                                 dialog.dismiss();
 513
 514                             }
 515                         });
 516                 builder.create().show();
 517                 break;
 518             }
 519             case R.id.action_sync_account: {
 520                 startSynchronization();
 521                 break;
 522             }
 523             case R.id.action_upload: {
 524                 showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 525                 break;
 526             }
 527             case R.id.action_settings: {
 528                 Intent settingsIntent = new Intent(this, Preferences.class);
 529                 startActivity(settingsIntent);
 530                 break;
 531             }
 532             case R.id.action_logger: {
 533                 Intent loggerIntent = new Intent(getApplicationContext(), LogHistoryActivity.class);
 534                 startActivity(loggerIntent);
 535                 break;
 536             }
 537             case android.R.id.home: {
 538                 FileFragment second = getSecondFragment();
 539                 OCFile currentDir = getCurrentDir();
 540                 if ((currentDir != null && currentDir.getParentId() != 0) ||
 541                         (second != null && second.getFile() != null)) {
 542                     onBackPressed();
 543
 544                 }
 545                 break;
 546             }
 547             default:
 548                 retval = super.onOptionsItemSelected(item);
 549         }
 550         return retval;
 551     }
 552
 553     private void startSynchronization() {
 554         Log_OC.e(TAG, "Got to start sync");
 555         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 556             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 557             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 558             Bundle bundle = new Bundle();
 559             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 560             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 561             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 562             ContentResolver.requestSync(
 563                     getAccount(),
 564                     MainApp.getAuthority(), bundle);
 565         } else {
 566             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 567             SyncRequest.Builder builder = new SyncRequest.Builder();
 568             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 569             builder.setExpedited(true);
 570             builder.setManual(true);
 571             builder.syncOnce();
 572             SyncRequest request = builder.build();
 573             ContentResolver.requestSync(request);
 574         }
 575     }
 576
 577
 578     @Override
 579     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 580         if (itemPosition != 0) {
 581             String targetPath = "";
 582             for (int i = itemPosition; i < mDirectories.getCount() - 1; i++) {
 583                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 584             }
 585             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 586             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 587             if (targetFolder != null) {
 588                 browseTo(targetFolder);
 589             }
 590
 591             // the next operation triggers a new call to this method, but it's necessary to
 592             // ensure that the name exposed in the action bar is the current directory when the
 593             // user selected it in the navigation list
 594             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST && itemPosition != 0)
 595                 getSupportActionBar().setSelectedNavigationItem(0);
 596         }
 597         return true;
 598     }
 599
 600     /**
 601      * Called, when the user selected something for uploading
 602      */
 603     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 604         super.onActivityResult(requestCode, resultCode, data);
 605
 606         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 607             requestSimpleUpload(data, resultCode);
 608
 609         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 610             requestMultipleUpload(data, resultCode);
 611
 612         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 613                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)) {
 614
 615             final Intent fData = data;
 616             final int fResultCode = resultCode;
 617             getHandler().postDelayed(
 618                     new Runnable() {
 619                         @Override
 620                         public void run() {
 621                             requestMoveOperation(fData, fResultCode);
 622                         }
 623                     },
 624                     DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 625             );
 626         }
 627     }
 628
 629     private void requestMultipleUpload(Intent data, int resultCode) {
 630         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 631         if (filePaths != null) {
 632             String[] remotePaths = new String[filePaths.length];
 633             String remotePathBase = "";
 634             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 635                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 636             }
 637             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 638                 remotePathBase += OCFile.PATH_SEPARATOR;
 639             for (int j = 0; j < remotePaths.length; j++) {
 640                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 641             }
 642
 643             Intent i = new Intent(this, FileUploader.class);
 644             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 645             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 646             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 647             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 648             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 649                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 650             startService(i);
 651
 652         } else {
 653             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 654             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 655             t.show();
 656             return;
 657         }
 658     }
 659
 660
 661     private void requestSimpleUpload(Intent data, int resultCode) {
 662         String filepath = null;
 663         try {
 664             Uri selectedImageUri = data.getData();
 665
 666             String filemanagerstring = selectedImageUri.getPath();
 667             String selectedImagePath = getPath(selectedImageUri);
 668
 669             if (selectedImagePath != null)
 670                 filepath = selectedImagePath;
 671             else
 672                 filepath = filemanagerstring;
 673
 674         } catch (Exception e) {
 675             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 676             e.printStackTrace();
 677
 678         } finally {
 679             if (filepath == null) {
 680                 Log_OC.e(TAG, "Couldnt resolve path to file");
 681                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 682                 t.show();
 683                 return;
 684             }
 685         }
 686
 687         Intent i = new Intent(this, FileUploader.class);
 688         i.putExtra(FileUploader.KEY_ACCOUNT,
 689                 getAccount());
 690         String remotepath = new String();
 691         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 692             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 693         }
 694         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 695             remotepath += OCFile.PATH_SEPARATOR;
 696         remotepath += new File(filepath).getName();
 697
 698         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 699         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 700         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 701         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 702             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 703         startService(i);
 704     }
 705
 706     /**
 707      * Request the operation for moving the file/folder from one path to another
 708      *
 709      * @param data       Intent received
 710      * @param resultCode Result code received
 711      */
 712     private void requestMoveOperation(Intent data, int resultCode) {
 713         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 714         OCFile targetFile = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_TARGET_FILE);
 715         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 716     }
 717
 718     @Override
 719     public void onBackPressed() {
 720         OCFileListFragment listOfFiles = getListOfFilesFragment();
 721         if (mDualPane || getSecondFragment() == null) {
 722             if (listOfFiles != null) {  // should never be null, indeed
 723                 if (mDirectories.getCount() <= 1) {
 724                     finish();
 725                     return;
 726                 }
 727                 int levelsUp = listOfFiles.onBrowseUp();
 728                 for (int i = 0; i < levelsUp && mDirectories.getCount() > 1; i++) {
 729                     popDirname();
 730                 }
 731             }
 732         }
 733         if (listOfFiles != null) {  // should never be null, indeed
 734             setFile(listOfFiles.getCurrentFile());
 735         }
 736         cleanSecondFragment();
 737
 738     }
 739
 740     @Override
 741     protected void onSaveInstanceState(Bundle outState) {
 742         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 743         Log_OC.e(TAG, "onSaveInstanceState() start");
 744         super.onSaveInstanceState(outState);
 745         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 746         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 747         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 748         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 749
 750         Log_OC.d(TAG, "onSaveInstanceState() end");
 751     }
 752
 753
 754     @Override
 755     protected void onResume() {
 756         super.onResume();
 757         Log_OC.e(TAG, "onResume() start");
 758
 759         // refresh list of files
 760         refreshListOfFilesFragment();
 761
 762         // Listen for sync messages
 763         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 764         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 765         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 766         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 767         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 768         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 769         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 770         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 771
 772         // Listen for upload messages
 773         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 774         mUploadFinishReceiver = new UploadFinishReceiver();
 775         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 776
 777         // Listen for download messages
 778         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 779         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 780         mDownloadFinishReceiver = new DownloadFinishReceiver();
 781         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 782
 783         Log_OC.d(TAG, "onResume() end");
 784     }
 785
 786
 787     @Override
 788     protected void onPause() {
 789         Log_OC.e(TAG, "onPause() start");
 790         if (mSyncBroadcastReceiver != null) {
 791             unregisterReceiver(mSyncBroadcastReceiver);
 792             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 793             mSyncBroadcastReceiver = null;
 794         }
 795         if (mUploadFinishReceiver != null) {
 796             unregisterReceiver(mUploadFinishReceiver);
 797             mUploadFinishReceiver = null;
 798         }
 799         if (mDownloadFinishReceiver != null) {
 800             unregisterReceiver(mDownloadFinishReceiver);
 801             mDownloadFinishReceiver = null;
 802         }
 803
 804
 805         Log_OC.d(TAG, "onPause() end");
 806         super.onPause();
 807     }
 808
 809
 810     @Override
 811     protected Dialog onCreateDialog(int id) {
 812         Dialog dialog = null;
 813         AlertDialog.Builder builder;
 814         switch (id) {
 815             case DIALOG_SHORT_WAIT: {
 816                 ProgressDialog working_dialog = new ProgressDialog(this);
 817                 working_dialog.setMessage(getResources().getString(
 818                         R.string.wait_a_moment));
 819                 working_dialog.setIndeterminate(true);
 820                 working_dialog.setCancelable(false);
 821                 dialog = working_dialog;
 822                 break;
 823             }
 824             case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 825
 826
 827                 String[] allTheItems = {getString(R.string.actionbar_upload_files),
 828                         getString(R.string.actionbar_upload_from_apps)};
 829
 830                 builder = new AlertDialog.Builder(this);
 831                 builder.setTitle(R.string.actionbar_upload);
 832                 builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 833                     public void onClick(DialogInterface dialog, int item) {
 834                         if (item == 0) {
 835                             // if (!mDualPane) {
 836                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 837                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 838                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 839                             // } else {
 840                             // TODO create and handle new fragment
 841                             // LocalFileListFragment
 842                             // }
 843                         } else if (item == 1) {
 844                             Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 845                             action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 846                             startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 847                                     ACTION_SELECT_CONTENT_FROM_APPS);
 848                         }
 849                     }
 850                 });
 851                 dialog = builder.create();
 852                 break;
 853             }
 854             case DIALOG_CERT_NOT_SAVED: {
 855                 builder = new AlertDialog.Builder(this);
 856                 builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 857                 builder.setCancelable(false);
 858                 builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 859                     @Override
 860                     public void onClick(DialogInterface dialog, int which) {
 861                         dialog.dismiss();
 862                     }
 863
 864                     ;
 865                 });
 866                 dialog = builder.create();
 867                 break;
 868             }
 869             default:
 870                 dialog = null;
 871         }
 872
 873         return dialog;
 874     }
 875
 876
 877     /**
 878      * Translates a content URI of an image to a physical path
 879      * on the disk
 880      *
 881      * @param uri The URI to resolve
 882      * @return The path to the image or null if it could not be found
 883      */
 884     public String getPath(Uri uri) {
 885         String[] projection = {MediaStore.Images.Media.DATA};
 886         Cursor cursor = managedQuery(uri, projection, null, null, null);
 887         if (cursor != null) {
 888             int column_index = cursor
 889                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 890             cursor.moveToFirst();
 891             return cursor.getString(column_index);
 892         }
 893         return null;
 894     }
 895
 896     /**
 897      * Pushes a directory to the drop down list
 898      *
 899      * @param directory to push
 900      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 901      */
 902     public void pushDirname(OCFile directory) {
 903         if (!directory.isFolder()) {
 904             throw new IllegalArgumentException("Only directories may be pushed!");
 905         }
 906         mDirectories.insert(directory.getFileName(), 0);
 907         setFile(directory);
 908     }
 909
 910     /**
 911      * Pops a directory name from the drop down list
 912      *
 913      * @return True, unless the stack is empty
 914      */
 915     public boolean popDirname() {
 916         mDirectories.remove(mDirectories.getItem(0));
 917         return !mDirectories.isEmpty();
 918     }
 919
 920     // Custom array adapter to override text colors
 921     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 922
 923         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 924             super(ctx, view);
 925         }
 926
 927         public View getView(int position, View convertView, ViewGroup parent) {
 928             View v = super.getView(position, convertView, parent);
 929
 930             ((TextView) v).setTextColor(getResources().getColorStateList(
 931                     android.R.color.white));
 932
 933             fixRoot((TextView) v);
 934             return v;
 935         }
 936
 937         public View getDropDownView(int position, View convertView,
 938                                     ViewGroup parent) {
 939             View v = super.getDropDownView(position, convertView, parent);
 940
 941             ((TextView) v).setTextColor(getResources().getColorStateList(
 942                     android.R.color.white));
 943
 944             fixRoot((TextView) v);
 945             return v;
 946         }
 947
 948         private void fixRoot(TextView v) {
 949             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 950                 v.setText(R.string.default_display_name_for_root_folder);
 951             }
 952         }
 953
 954     }
 955
 956     private class SyncBroadcastReceiver extends BroadcastReceiver {
 957
 958         /**
 959          * {@link BroadcastReceiver} to enable syncing feedback in UI
 960          */
 961         @Override
 962         public void onReceive(Context context, Intent intent) {
 963             try {
 964                 String event = intent.getAction();
 965                 Log_OC.d(TAG, "Received broadcast " + event);
 966                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 967                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 968                 RemoteOperationResult synchResult = (RemoteOperationResult) intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 969                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 970
 971                 if (sameAccount) {
 972
 973                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 974                         mSyncInProgress = true;
 975
 976                     } else {
 977                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 978                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 979
 980                         if (currentDir == null) {
 981                             // current folder was removed from the server
 982                             Toast.makeText(FileDisplayActivity.this,
 983                                     String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 984                                     Toast.LENGTH_LONG)
 985                                     .show();
 986                             browseToRoot();
 987
 988                         } else {
 989                             if (currentFile == null && !getFile().isFolder()) {
 990                                 // currently selected file was removed in the server, and now we know it
 991                                 cleanSecondFragment();
 992                                 currentFile = currentDir;
 993                             }
 994
 995                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 996                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 997                                 if (fileListFragment != null) {
 998                                     fileListFragment.listDirectory(currentDir);
 999                                 }
1000                             }
1001                             setFile(currentFile);
1002                         }
1003
1004                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1005
1006                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1007                                 equals(event) &&
1008                                 /// TODO refactor and make common
1009                                 synchResult != null && !synchResult.isSuccess() &&
1010                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED ||
1011                                         synchResult.isIdPRedirection() ||
1012                                         (synchResult.isException() && synchResult.getException()
1013                                                 instanceof AuthenticatorException))) {
1014
1015                             OwnCloudClient client = null;
1016                             try {
1017                                 OwnCloudAccount ocAccount =
1018                                         new OwnCloudAccount(getAccount(), context);
1019                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1020                                         removeClientFor(ocAccount));
1021                                 // TODO get rid of these exceptions
1022                             } catch (AccountNotFoundException e) {
1023                                 e.printStackTrace();
1024                             } catch (AuthenticatorException e) {
1025                                 e.printStackTrace();
1026                             } catch (OperationCanceledException e) {
1027                                 e.printStackTrace();
1028                             } catch (IOException e) {
1029                                 e.printStackTrace();
1030                             }
1031
1032                             if (client != null) {
1033                                 OwnCloudCredentials cred = client.getCredentials();
1034                                 if (cred != null) {
1035                                     AccountManager am = AccountManager.get(context);
1036                                     if (cred.authTokenExpires()) {
1037                                         am.invalidateAuthToken(
1038                                                 getAccount().type,
1039                                                 cred.getAuthToken()
1040                                         );
1041                                     } else {
1042                                         am.clearPassword(getAccount());
1043                                     }
1044                                 }
1045                             }
1046
1047                             requestCredentialsUpdate();
1048
1049                         }
1050                     }
1051                     removeStickyBroadcast(intent);
1052                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1053                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1054
1055                     setBackgroundText();
1056
1057                 }
1058
1059                 if (synchResult != null) {
1060                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1061                         mLastSslUntrustedServerResult = synchResult;
1062                     }
1063                 }
1064             } catch (RuntimeException e) {
1065                 // avoid app crashes after changing the serial id of RemoteOperationResult
1066                 // in owncloud library with broadcast notifications pending to process
1067                 removeStickyBroadcast(intent);
1068             }
1069         }
1070     }
1071
1072     /**
1073      * Show a text message on screen view for notifying user if content is
1074      * loading or folder is empty
1075      */
1076     private void setBackgroundText() {
1077         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1078         if (ocFileListFragment != null) {
1079             int message = R.string.file_list_loading;
1080             if (!mSyncInProgress) {
1081                 // In case file list is empty
1082                 message = R.string.file_list_empty;
1083             }
1084             ocFileListFragment.setMessageForEmptyList(getString(message));
1085         } else {
1086             Log_OC.e(TAG, "OCFileListFragment is null");
1087         }
1088     }
1089
1090     /**
1091      * Once the file upload has finished -> update view
1092      */
1093     private class UploadFinishReceiver extends BroadcastReceiver {
1094         /**
1095          * Once the file upload has finished -> update view
1096          *
1097          * @author David A. Velasco
1098          * {@link BroadcastReceiver} to enable upload feedback in UI
1099          */
1100         @Override
1101         public void onReceive(Context context, Intent intent) {
1102             try {
1103                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1104                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1105                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1106                 OCFile currentDir = getCurrentDir();
1107                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1108                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1109
1110                 if (sameAccount && isDescendant) {
1111                     refreshListOfFilesFragment();
1112                 }
1113
1114                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1115                 boolean renamedInUpload = getFile().getRemotePath().
1116                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1117                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1118                         renamedInUpload;
1119                 FileFragment details = getSecondFragment();
1120                 boolean detailFragmentIsShown = (details != null &&
1121                         details instanceof FileDetailFragment);
1122
1123                 if (sameAccount && sameFile && detailFragmentIsShown) {
1124                     if (uploadWasFine) {
1125                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1126                     }
1127                     if (renamedInUpload) {
1128                         String newName = (new File(uploadedRemotePath)).getName();
1129                         Toast msg = Toast.makeText(
1130                                 context,
1131                                 String.format(
1132                                         getString(R.string.filedetails_renamed_in_upload_msg),
1133                                         newName),
1134                                 Toast.LENGTH_LONG);
1135                         msg.show();
1136                     }
1137                     if (uploadWasFine || getFile().fileExists()) {
1138                         ((FileDetailFragment) details).updateFileDetails(false, true);
1139                     } else {
1140                         cleanSecondFragment();
1141                     }
1142
1143                     // Force the preview if the file is an image or text file
1144                     if (uploadWasFine) {
1145                         OCFile ocFile = getFile();
1146                         if (PreviewImageFragment.canBePreviewed(ocFile))
1147                             startImagePreview(getFile());
1148                         else if (PreviewTextFragment.canBePreviewed(ocFile))
1149                             startTextPreview(ocFile);
1150                         // TODO what about other kind of previews?
1151                     }
1152                 }
1153
1154             } finally {
1155                 if (intent != null) {
1156                     removeStickyBroadcast(intent);
1157                 }
1158             }
1159
1160         }
1161
1162     }
1163
1164
1165     /**
1166      * Class waiting for broadcast events from the {@link FileDownloader} service.
1167      * <p/>
1168      * Updates the UI when a download is started or finished, provided that it is relevant for the
1169      * current folder.
1170      */
1171     private class DownloadFinishReceiver extends BroadcastReceiver {
1172         @Override
1173         public void onReceive(Context context, Intent intent) {
1174             try {
1175                 boolean sameAccount = isSameAccount(context, intent);
1176                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1177                 boolean isDescendant = isDescendant(downloadedRemotePath);
1178
1179                 if (sameAccount && isDescendant) {
1180                     refreshListOfFilesFragment();
1181                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1182                 }
1183
1184                 if (mWaitingToSend != null) {
1185                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1186                     if (mWaitingToSend.isDown()) {
1187                         sendDownloadedFile();
1188                     }
1189                 }
1190
1191             } finally {
1192                 if (intent != null) {
1193                     removeStickyBroadcast(intent);
1194                 }
1195             }
1196         }
1197
1198         private boolean isDescendant(String downloadedRemotePath) {
1199             OCFile currentDir = getCurrentDir();
1200             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1201         }
1202
1203         private boolean isSameAccount(Context context, Intent intent) {
1204             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1205             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1206         }
1207     }
1208
1209
1210     public void browseToRoot() {
1211         OCFileListFragment listOfFiles = getListOfFilesFragment();
1212         if (listOfFiles != null) {  // should never be null, indeed
1213             while (mDirectories.getCount() > 1) {
1214                 popDirname();
1215             }
1216             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1217             listOfFiles.listDirectory(root);
1218             setFile(listOfFiles.getCurrentFile());
1219             startSyncFolderOperation(root, false);
1220         }
1221         cleanSecondFragment();
1222     }
1223
1224
1225     public void browseTo(OCFile folder) {
1226         if (folder == null || !folder.isFolder()) {
1227             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1228         }
1229         OCFileListFragment listOfFiles = getListOfFilesFragment();
1230         if (listOfFiles != null) {
1231             setNavigationListWithFolder(folder);
1232             listOfFiles.listDirectory(folder);
1233             setFile(listOfFiles.getCurrentFile());
1234             startSyncFolderOperation(folder, false);
1235         } else {
1236             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1237         }
1238         cleanSecondFragment();
1239     }
1240
1241
1242     /**
1243      * {@inheritDoc}
1244      * <p/>
1245      * Updates action bar and second fragment, if in dual pane mode.
1246      */
1247     @Override
1248     public void onBrowsedDownTo(OCFile directory) {
1249         pushDirname(directory);
1250         cleanSecondFragment();
1251
1252         // Sync Folder
1253         startSyncFolderOperation(directory, false);
1254
1255     }
1256
1257     /**
1258      * Shows the information of the {@link OCFile} received as a
1259      * parameter in the second fragment.
1260      *
1261      * @param file {@link OCFile} whose details will be shown
1262      */
1263     @Override
1264     public void showDetails(OCFile file) {
1265         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1266         setSecondFragment(detailFragment);
1267         updateFragmentsVisibility(true);
1268         updateNavigationElementsInActionBar(file);
1269         setFile(file);
1270     }
1271
1272
1273     /**
1274      * TODO
1275      */
1276     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1277         ActionBar actionBar = getSupportActionBar();
1278         if (chosenFile == null || mDualPane) {
1279             // only list of files - set for browsing through folders
1280             OCFile currentDir = getCurrentDir();
1281             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1282             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1283             actionBar.setDisplayShowTitleEnabled(!noRoot);
1284             if (!noRoot) {
1285                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1286             }
1287             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1288             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1289
1290         } else {
1291             actionBar.setDisplayHomeAsUpEnabled(true);
1292             actionBar.setDisplayShowTitleEnabled(true);
1293             actionBar.setTitle(chosenFile.getFileName());
1294             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1295         }
1296     }
1297
1298
1299     @Override
1300     protected ServiceConnection newTransferenceServiceConnection() {
1301         return new ListServiceConnection();
1302     }
1303
1304     /**
1305      * Defines callbacks for service binding, passed to bindService()
1306      */
1307     private class ListServiceConnection implements ServiceConnection {
1308
1309         @Override
1310         public void onServiceConnected(ComponentName component, IBinder service) {
1311             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1312                 Log_OC.d(TAG, "Download service connected");
1313                 mDownloaderBinder = (FileDownloaderBinder) service;
1314                 if (mWaitingToPreview != null)
1315                     if (getStorageManager() != null) {
1316                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1317                         if (!mWaitingToPreview.isDown()) {
1318                             requestForDownload();
1319                         }
1320                     }
1321
1322             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1323                 Log_OC.d(TAG, "Upload service connected");
1324                 mUploaderBinder = (FileUploaderBinder) service;
1325             } else {
1326                 return;
1327             }
1328             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1329             OCFileListFragment listOfFiles = getListOfFilesFragment();
1330             if (listOfFiles != null) {
1331                 listOfFiles.listDirectory();
1332             }
1333             FileFragment secondFragment = getSecondFragment();
1334             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1335                 FileDetailFragment detailFragment = (FileDetailFragment) secondFragment;
1336                 detailFragment.listenForTransferProgress();
1337                 detailFragment.updateFileDetails(false, false);
1338             }
1339         }
1340
1341         @Override
1342         public void onServiceDisconnected(ComponentName component) {
1343             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1344                 Log_OC.d(TAG, "Download service disconnected");
1345                 mDownloaderBinder = null;
1346             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1347                 Log_OC.d(TAG, "Upload service disconnected");
1348                 mUploaderBinder = null;
1349             }
1350         }
1351     }
1352
1353     ;
1354
1355
1356     /**
1357      * Launch an intent to request the PIN code to the user before letting him use the app
1358      */
1359     private void requestPinCode() {
1360         boolean pinStart = false;
1361         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1362         pinStart = appPrefs.getBoolean("set_pincode", false);
1363         if (pinStart) {
1364             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1365             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1366             startActivity(i);
1367         }
1368     }
1369
1370
1371     @Override
1372     public void onSavedCertificate() {
1373         startSyncFolderOperation(getCurrentDir(), false);
1374     }
1375
1376
1377     @Override
1378     public void onFailedSavingCertificate() {
1379         showDialog(DIALOG_CERT_NOT_SAVED);
1380     }
1381
1382     @Override
1383     public void onCancelCertificate() {
1384         // nothing to do
1385     }
1386
1387     /**
1388      * Updates the view associated to the activity after the finish of some operation over files
1389      * in the current account.
1390      *
1391      * @param operation Removal operation performed.
1392      * @param result    Result of the removal.
1393      */
1394     @Override
1395     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1396         super.onRemoteOperationFinish(operation, result);
1397
1398         if (operation instanceof RemoveFileOperation) {
1399             onRemoveFileOperationFinish((RemoveFileOperation) operation, result);
1400
1401         } else if (operation instanceof RenameFileOperation) {
1402             onRenameFileOperationFinish((RenameFileOperation) operation, result);
1403
1404         } else if (operation instanceof SynchronizeFileOperation) {
1405             onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
1406
1407         } else if (operation instanceof CreateFolderOperation) {
1408             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
1409
1410         } else if (operation instanceof CreateShareOperation) {
1411             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1412
1413         } else if (operation instanceof UnshareLinkOperation) {
1414             onUnshareLinkOperationFinish((UnshareLinkOperation) operation, result);
1415
1416         } else if (operation instanceof MoveFileOperation) {
1417             onMoveFileOperationFinish((MoveFileOperation) operation, result);
1418         }
1419
1420     }
1421
1422
1423     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1424         if (result.isSuccess()) {
1425             refreshShowDetails();
1426             refreshListOfFilesFragment();
1427         }
1428     }
1429
1430
1431     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1432         if (result.isSuccess()) {
1433             refreshShowDetails();
1434             refreshListOfFilesFragment();
1435
1436         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1437             cleanSecondFragment();
1438             refreshListOfFilesFragment();
1439         }
1440     }
1441
1442     private void refreshShowDetails() {
1443         FileFragment details = getSecondFragment();
1444         if (details != null) {
1445             OCFile file = details.getFile();
1446             if (file != null) {
1447                 file = getStorageManager().getFileByPath(file.getRemotePath());
1448                 if (details instanceof PreviewMediaFragment) {
1449                     // Refresh  OCFile of the fragment
1450                     ((PreviewMediaFragment) details).updateFile(file);
1451                 } else if (details instanceof PreviewTextFragment) {
1452                     // Refresh  OCFile of the fragment
1453                     ((PreviewTextFragment) details).updateFile(file);
1454                 } else
1455                     showDetails(file);
1456             }
1457             invalidateOptionsMenu();
1458         }
1459     }
1460
1461     /**
1462      * Updates the view associated to the activity after the finish of an operation trying to remove a
1463      * file.
1464      *
1465      * @param operation Removal operation performed.
1466      * @param result    Result of the removal.
1467      */
1468     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1469         dismissLoadingDialog();
1470
1471         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1472                 Toast.LENGTH_LONG);
1473         msg.show();
1474
1475         if (result.isSuccess()) {
1476             OCFile removedFile = operation.getFile();
1477             FileFragment second = getSecondFragment();
1478             if (second != null && removedFile.equals(second.getFile())) {
1479                 if (second instanceof PreviewMediaFragment) {
1480                     ((PreviewMediaFragment) second).stopPreview(true);
1481                 }
1482                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1483                 cleanSecondFragment();
1484             }
1485             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1486                 refreshListOfFilesFragment();
1487             }
1488             invalidateOptionsMenu();
1489         } else {
1490             if (result.isSslRecoverableException()) {
1491                 mLastSslUntrustedServerResult = result;
1492                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1493             }
1494         }
1495     }
1496
1497
1498     /**
1499      * Updates the view associated to the activity after the finish of an operation trying to move a
1500      * file.
1501      *
1502      * @param operation Move operation performed.
1503      * @param result    Result of the move operation.
1504      */
1505     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1506         if (result.isSuccess()) {
1507             dismissLoadingDialog();
1508             refreshListOfFilesFragment();
1509         } else {
1510             dismissLoadingDialog();
1511             try {
1512                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1513                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1514                         Toast.LENGTH_LONG);
1515                 msg.show();
1516
1517             } catch (NotFoundException e) {
1518                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1519             }
1520         }
1521     }
1522
1523
1524     /**
1525      * Updates the view associated to the activity after the finish of an operation trying to rename a
1526      * file.
1527      *
1528      * @param operation Renaming operation performed.
1529      * @param result    Result of the renaming.
1530      */
1531     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1532         dismissLoadingDialog();
1533         OCFile renamedFile = operation.getFile();
1534         if (result.isSuccess()) {
1535             FileFragment details = getSecondFragment();
1536             if (details != null) {
1537                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile())) {
1538                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1539                     showDetails(renamedFile);
1540
1541                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1542                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1543                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1544                         int position = ((PreviewMediaFragment) details).getPosition();
1545                         startMediaPreview(renamedFile, position, true);
1546                     } else {
1547                         getFileOperationsHelper().openFile(renamedFile);
1548                     }
1549                 } else if (details instanceof PreviewTextFragment && renamedFile.equals(details.getFile())) {
1550                     ((PreviewTextFragment) details).updateFile(renamedFile);
1551                     if (PreviewTextFragment.canBePreviewed(renamedFile)) {
1552                         startTextPreview(renamedFile);
1553                     } else {
1554                         getFileOperationsHelper().openFile(renamedFile);
1555                     }
1556                 }
1557             }
1558
1559             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1560                 refreshListOfFilesFragment();
1561             }
1562
1563         } else {
1564             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1565                     Toast.LENGTH_LONG);
1566             msg.show();
1567
1568             if (result.isSslRecoverableException()) {
1569                 mLastSslUntrustedServerResult = result;
1570                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1571             }
1572         }
1573     }
1574
1575     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1576         dismissLoadingDialog();
1577         OCFile syncedFile = operation.getLocalFile();
1578         if (!result.isSuccess()) {
1579             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1580                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1581                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1582                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1583                 startActivity(i);
1584
1585             }
1586
1587         } else {
1588             if (operation.transferWasRequested()) {
1589                 onTransferStateChanged(syncedFile, true, true);
1590
1591             } else {
1592                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1593                         Toast.LENGTH_LONG);
1594                 msg.show();
1595             }
1596         }
1597     }
1598
1599     /**
1600      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1601      *
1602      * @param operation Creation operation performed.
1603      * @param result    Result of the creation.
1604      */
1605     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1606         if (result.isSuccess()) {
1607             dismissLoadingDialog();
1608             refreshListOfFilesFragment();
1609         } else {
1610             dismissLoadingDialog();
1611             try {
1612                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1613                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1614                         Toast.LENGTH_LONG);
1615                 msg.show();
1616
1617             } catch (NotFoundException e) {
1618                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1619             }
1620         }
1621     }
1622
1623
1624     /**
1625      * {@inheritDoc}
1626      */
1627     @Override
1628     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1629         refreshListOfFilesFragment();
1630         FileFragment details = getSecondFragment();
1631         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile())) {
1632             if (downloading || uploading) {
1633                 ((FileDetailFragment) details).updateFileDetails(file, getAccount());
1634             } else {
1635                 if (!file.fileExists()) {
1636                     cleanSecondFragment();
1637                 } else {
1638                     ((FileDetailFragment) details).updateFileDetails(false, true);
1639                 }
1640             }
1641         }
1642
1643     }
1644
1645
1646     private void requestForDownload() {
1647         Account account = getAccount();
1648         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1649             Intent i = new Intent(this, FileDownloader.class);
1650             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1651             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1652             startService(i);
1653         }
1654     }
1655
1656
1657     private OCFile getCurrentDir() {
1658         OCFile file = getFile();
1659         if (file != null) {
1660             if (file.isFolder()) {
1661                 return file;
1662             } else if (getStorageManager() != null) {
1663                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1664                 return getStorageManager().getFileByPath(parentPath);
1665             }
1666         }
1667         return null;
1668     }
1669
1670     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1671         long currentSyncTime = System.currentTimeMillis();
1672
1673         mSyncInProgress = true;
1674
1675         // perform folder synchronization
1676         RemoteOperation synchFolderOp = new SynchronizeFolderOperation(folder,
1677                 currentSyncTime,
1678                 false,
1679                 getFileOperationsHelper().isSharedSupported(),
1680                 ignoreETag,
1681                 getStorageManager(),
1682                 getAccount(),
1683                 getApplicationContext()
1684         );
1685         synchFolderOp.execute(getAccount(), this, null, null);
1686
1687         setSupportProgressBarIndeterminateVisibility(true);
1688
1689         setBackgroundText();
1690     }
1691
1692     /**
1693      * Show untrusted cert dialog
1694      */
1695     public void showUntrustedCertDialog(RemoteOperationResult result) {
1696         // Show a dialog with the certificate info
1697         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException) result.getException());
1698         FragmentManager fm = getSupportFragmentManager();
1699         FragmentTransaction ft = fm.beginTransaction();
1700         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1701     }
1702
1703     private void requestForDownload(OCFile file) {
1704         Account account = getAccount();
1705         if (!mDownloaderBinder.isDownloading(account, file)) {
1706             Intent i = new Intent(this, FileDownloader.class);
1707             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1708             i.putExtra(FileDownloader.EXTRA_FILE, file);
1709             startService(i);
1710         }
1711     }
1712
1713     private void sendDownloadedFile() {
1714         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1715         mWaitingToSend = null;
1716     }
1717
1718
1719     /**
1720      * Requests the download of the received {@link OCFile} , updates the UI
1721      * to monitor the download progress and prepares the activity to send the file
1722      * when the download finishes.
1723      *
1724      * @param file {@link OCFile} to download and preview.
1725      */
1726     public void startDownloadForSending(OCFile file) {
1727         mWaitingToSend = file;
1728         requestForDownload(mWaitingToSend);
1729         boolean hasSecondFragment = (getSecondFragment() != null);
1730         updateFragmentsVisibility(hasSecondFragment);
1731     }
1732
1733     /**
1734      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1735      *
1736      * @param file Image {@link OCFile} to show.
1737      */
1738     public void startImagePreview(OCFile file) {
1739         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1740         showDetailsIntent.putExtra(EXTRA_FILE, file);
1741         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1742         startActivity(showDetailsIntent);
1743     }
1744
1745     /**
1746      * Stars the preview of an already down media {@link OCFile}.
1747      *
1748      * @param file                  Media {@link OCFile} to preview.
1749      * @param startPlaybackPosition Media position where the playback will be started, in milliseconds.
1750      * @param autoplay              When 'true', the playback will start without user interactions.
1751      */
1752     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1753         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1754         setSecondFragment(mediaFragment);
1755         updateFragmentsVisibility(true);
1756         updateNavigationElementsInActionBar(file);
1757         setFile(file);
1758     }
1759
1760     /**
1761      * Stars the preview of a text file {@link OCFile}.
1762      *
1763      * @param file Text {@link OCFile} to preview.
1764      */
1765     public void startTextPreview(OCFile file) {
1766         Bundle args = new Bundle();
1767         args.putParcelable(EXTRA_FILE, file);
1768         args.putParcelable(EXTRA_ACCOUNT, getAccount());
1769         Fragment textPreviewFragment = Fragment.instantiate(getApplicationContext(), PreviewTextFragment.class.getName(), args);
1770         setSecondFragment(textPreviewFragment);
1771         updateFragmentsVisibility(true);
1772         updateNavigationElementsInActionBar(file);
1773         setFile(file);
1774     }
1775
1776     /**
1777      * Requests the download of the received {@link OCFile} , updates the UI
1778      * to monitor the download progress and prepares the activity to preview
1779      * or open the file when the download finishes.
1780      *
1781      * @param file {@link OCFile} to download and preview.
1782      */
1783     public void startDownloadForPreview(OCFile file) {
1784         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1785         setSecondFragment(detailFragment);
1786         mWaitingToPreview = file;
1787         requestForDownload();
1788         updateFragmentsVisibility(true);
1789         updateNavigationElementsInActionBar(file);
1790         setFile(file);
1791     }
1792
1793
1794     public void cancelTransference(OCFile file) {
1795         getFileOperationsHelper().cancelTransference(file);
1796         if (mWaitingToPreview != null &&
1797                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1798             mWaitingToPreview = null;
1799         }
1800         if (mWaitingToSend != null &&
1801                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1802             mWaitingToSend = null;
1803         }
1804         onTransferStateChanged(file, false, false);
1805     }
1806
1807     @Override
1808     public void onRefresh(boolean ignoreETag) {
1809         refreshList(ignoreETag);
1810     }
1811
1812     @Override
1813     public void onRefresh() {
1814         refreshList(true);
1815     }
1816
1817     private void refreshList(boolean ignoreETag) {
1818         OCFileListFragment listOfFiles = getListOfFilesFragment();
1819         if (listOfFiles != null) {
1820             OCFile folder = listOfFiles.getCurrentFile();
1821             if (folder != null) {
1822                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1823                 listDirectory(mFile);*/
1824                 startSyncFolderOperation(folder, ignoreETag);
1825             }
1826         }
1827     }
1828
1829     private void sortByDate(boolean ascending) {
1830         getListOfFilesFragment().sortByDate(ascending);
1831     }
1832
1833     private void sortBySize(boolean ascending) {
1834         getListOfFilesFragment().sortBySize(ascending);
1835     }
1836
1837     private void sortByName(boolean ascending) {
1838         getListOfFilesFragment().sortByName(ascending);
1839     }
1840 }