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 java.io.File;
  22 import java.io.IOException;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.app.AlertDialog;
  29 import android.app.Dialog;
  30 import android.app.ProgressDialog;
  31 import android.content.BroadcastReceiver;
  32 import android.content.ComponentName;
  33 import android.content.ContentResolver;
  34 import android.content.ContentUris;
  35 import android.content.Context;
  36 import android.content.DialogInterface;
  37 import android.content.Intent;
  38 import android.content.IntentFilter;
  39 import android.content.ServiceConnection;
  40 import android.content.SharedPreferences;
  41 import android.content.SyncRequest;
  42 import android.content.res.Resources.NotFoundException;
  43 import android.database.Cursor;
  44 import android.net.Uri;
  45 import android.os.Build;
  46 import android.os.Bundle;
  47 import android.os.Environment;
  48 import android.os.IBinder;
  49 import android.preference.PreferenceManager;
  50 import android.provider.DocumentsContract;
  51 import android.provider.MediaStore;
  52 import android.provider.OpenableColumns;
  53 import android.support.v4.app.Fragment;
  54 import android.support.v4.app.FragmentManager;
  55 import android.support.v4.app.FragmentTransaction;
  56 import android.util.Log;
  57 import android.view.View;
  58 import android.view.ViewGroup;
  59 import android.widget.ArrayAdapter;
  60 import android.widget.TextView;
  61 import android.widget.Toast;
  62
  63 import com.actionbarsherlock.app.ActionBar;
  64 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  65 import com.actionbarsherlock.view.Menu;
  66 import com.actionbarsherlock.view.MenuInflater;
  67 import com.actionbarsherlock.view.MenuItem;
  68 import com.actionbarsherlock.view.Window;
  69 import com.owncloud.android.BuildConfig;
  70 import com.owncloud.android.MainApp;
  71 import com.owncloud.android.R;
  72 import com.owncloud.android.datamodel.OCFile;
  73 import com.owncloud.android.files.services.FileDownloader;
  74 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  75 import com.owncloud.android.files.services.FileUploader;
  76 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  77 import com.owncloud.android.lib.common.OwnCloudAccount;
  78 import com.owncloud.android.lib.common.OwnCloudClient;
  79 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  80 import com.owncloud.android.lib.common.OwnCloudCredentials;
  81 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  82 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  83 import com.owncloud.android.lib.common.operations.RemoteOperation;
  84 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  85 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  86 import com.owncloud.android.lib.common.utils.Log_OC;
  87 import com.owncloud.android.operations.CreateFolderOperation;
  88 import com.owncloud.android.operations.CreateShareOperation;
  89 import com.owncloud.android.operations.MoveFileOperation;
  90 import com.owncloud.android.operations.RemoveFileOperation;
  91 import com.owncloud.android.operations.RenameFileOperation;
  92 import com.owncloud.android.operations.SynchronizeFileOperation;
  93 import com.owncloud.android.operations.SynchronizeFolderOperation;
  94 import com.owncloud.android.operations.UnshareLinkOperation;
  95 import com.owncloud.android.services.observer.FileObserverService;
  96 import com.owncloud.android.syncadapter.FileSyncAdapter;
  97 import com.owncloud.android.ui.adapter.FileListListAdapter;
  98 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  99 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
 100 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
 101 import com.owncloud.android.ui.fragment.FileDetailFragment;
 102 import com.owncloud.android.ui.fragment.FileFragment;
 103 import com.owncloud.android.ui.fragment.OCFileListFragment;
 104 import com.owncloud.android.ui.preview.PreviewImageActivity;
 105 import com.owncloud.android.ui.preview.PreviewImageFragment;
 106 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 107 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 108 import com.owncloud.android.utils.DisplayUtils;
 109 import com.owncloud.android.utils.ErrorMessageAdapter;
 110 import com.owncloud.android.utils.UriUtils;
 111
 112
 113 /**
 114  * Displays, what files the user has available in his ownCloud.
 115  *
 116  * @author Bartek Przybylski
 117  * @author David A. Velasco
 118  */
 119
 120 public class FileDisplayActivity extends HookActivity implements
 121 FileFragment.ContainerActivity, OnNavigationListener,
 122 OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 123
 124     private ArrayAdapter<String> mDirectories;
 125
 126     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 127     private UploadFinishReceiver mUploadFinishReceiver;
 128     private DownloadFinishReceiver mDownloadFinishReceiver;
 129     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 130
 131     private boolean mDualPane;
 132     private View mLeftFragmentContainer;
 133     private View mRightFragmentContainer;
 134
 135     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 136     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 137     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 138
 139     public static final int DIALOG_SHORT_WAIT = 0;
 140     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 141     private static final int DIALOG_CERT_NOT_SAVED = 2;
 142
 143     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 144
 145     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 146     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 147     public static final int ACTION_MOVE_FILES = 3;
 148
 149     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 150
 151     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 152     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 153
 154     private OCFile mWaitingToPreview;
 155
 156     private boolean mSyncInProgress = false;
 157
 158     private String DIALOG_UNTRUSTED_CERT;
 159
 160     private OCFile mWaitingToSend;
 161
 162     @Override
 163     protected void onCreate(Bundle savedInstanceState) {
 164         Log_OC.d(TAG, "onCreate() start");
 165         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 166
 167         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 168
 169         // PIN CODE request ;  best location is to decide, let's try this first
 170         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 171             requestPinCode();
 172         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 173             requestPinCode();
 174         }
 175
 176         /// grant that FileObserverService is watching favourite files
 177         if (savedInstanceState == null) {
 178             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 179             startService(initObserversIntent);
 180         }
 181
 182         /// Load of saved instance state
 183         if(savedInstanceState != null) {
 184             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 185             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 186             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 187
 188         } else {
 189             mWaitingToPreview = null;
 190             mSyncInProgress = false;
 191             mWaitingToSend = null;
 192         }
 193
 194         /// USER INTERFACE
 195
 196         // Inflate and set the layout view
 197         setContentView(R.layout.files);
 198         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 199         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 200         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 201         if (savedInstanceState == null) {
 202             createMinFragments();
 203         }
 204
 205         // Action bar setup
 206         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 207         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 208         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 209
 210         setBackgroundText();
 211
 212         Log_OC.d(TAG, "onCreate() end");
 213     }
 214
 215     @Override
 216     protected void onStart() {
 217         super.onStart();
 218         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 219     }
 220
 221     @Override
 222     protected void onDestroy() {
 223         super.onDestroy();
 224     }
 225
 226     /**
 227      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 228      */
 229     @Override
 230     protected void onAccountSet(boolean stateWasRecovered) {
 231         super.onAccountSet(stateWasRecovered);
 232         if (getAccount() != null) {
 233             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 234             OCFile file = getFile();
 235             // get parent from path
 236             String parentPath = "";
 237             if (file != null) {
 238                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 239                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 240                     // get parent from path
 241                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 242                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 243                         file = null; // not able to know the directory where the file is uploading
 244                 } else {
 245                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 246                 }
 247             }
 248             if (file == null) {
 249                 // fall back to root folder
 250                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 251             }
 252             setFile(file);
 253             setNavigationListWithFolder(file);
 254
 255             if (!stateWasRecovered) {
 256                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 257                 initFragmentsWithFile();
 258                 if (file.isFolder()) {
 259                     startSyncFolderOperation(file, false);
 260                 }
 261
 262             } else {
 263                 updateFragmentsVisibility(!file.isFolder());
 264                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 265             }
 266         }
 267     }
 268
 269
 270     private void setNavigationListWithFolder(OCFile file) {
 271         mDirectories.clear();
 272         OCFile fileIt = file;
 273         String parentPath;
 274         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 275             if (fileIt.isFolder()) {
 276                 mDirectories.add(fileIt.getFileName());
 277             }
 278             // get parent from path
 279             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 280             fileIt = getStorageManager().getFileByPath(parentPath);
 281         }
 282         mDirectories.add(OCFile.PATH_SEPARATOR);
 283     }
 284
 285
 286     private void createMinFragments() {
 287         OCFileListFragment listOfFiles = new OCFileListFragment();
 288         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 289         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 290         transaction.commit();
 291     }
 292
 293     private void initFragmentsWithFile() {
 294         if (getAccount() != null && getFile() != null) {
 295             /// First fragment
 296             OCFileListFragment listOfFiles = getListOfFilesFragment();
 297             if (listOfFiles != null) {
 298                 listOfFiles.listDirectory(getCurrentDir());
 299             } else {
 300                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 301             }
 302
 303             /// Second fragment
 304             OCFile file = getFile();
 305             Fragment secondFragment = chooseInitialSecondFragment(file);
 306             if (secondFragment != null) {
 307                 setSecondFragment(secondFragment);
 308                 updateFragmentsVisibility(true);
 309                 updateNavigationElementsInActionBar(file);
 310
 311             } else {
 312                 cleanSecondFragment();
 313             }
 314
 315         } else {
 316             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 317             if (getAccount() == null) {
 318                 Log_OC.wtf(TAG, "\t account is NULL");
 319             }
 320             if (getFile() == null) {
 321                 Log_OC.wtf(TAG, "\t file is NULL");
 322             }
 323         }
 324     }
 325
 326     private Fragment chooseInitialSecondFragment(OCFile file) {
 327         Fragment secondFragment = null;
 328         if (file != null && !file.isFolder()) {
 329             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 330                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 331                     ) {
 332                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 333                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 334                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 335
 336             } else {
 337                 secondFragment = new FileDetailFragment(file, getAccount());
 338             }
 339         }
 340         return secondFragment;
 341     }
 342
 343
 344     /**
 345      * Replaces the second fragment managed by the activity with the received as
 346      * a parameter.
 347      *
 348      * Assumes never will be more than two fragments managed at the same time.
 349      *
 350      * @param fragment      New second Fragment to set.
 351      */
 352     private void setSecondFragment(Fragment fragment) {
 353         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 354         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 355         transaction.commit();
 356     }
 357
 358
 359     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 360         if (mDualPane) {
 361             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 362                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 363             }
 364             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 365                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 366             }
 367
 368         } else if (existsSecondFragment) {
 369             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 370                 mLeftFragmentContainer.setVisibility(View.GONE);
 371             }
 372             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 373                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 374             }
 375
 376         } else {
 377             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 378                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 379             }
 380             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 381                 mRightFragmentContainer.setVisibility(View.GONE);
 382             }
 383         }
 384     }
 385
 386
 387     private OCFileListFragment getListOfFilesFragment() {
 388         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 389         if (listOfFiles != null) {
 390             return (OCFileListFragment)listOfFiles;
 391         }
 392         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 393         return null;
 394     }
 395
 396     public FileFragment getSecondFragment() {
 397         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 398         if (second != null) {
 399             return (FileFragment)second;
 400         }
 401         return null;
 402     }
 403
 404     protected void cleanSecondFragment() {
 405         Fragment second = getSecondFragment();
 406         if (second != null) {
 407             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 408             tr.remove(second);
 409             tr.commit();
 410         }
 411         updateFragmentsVisibility(false);
 412         updateNavigationElementsInActionBar(null);
 413     }
 414
 415     protected void refreshListOfFilesFragment() {
 416         OCFileListFragment fileListFragment = getListOfFilesFragment();
 417         if (fileListFragment != null) {
 418             fileListFragment.listDirectory();
 419         }
 420     }
 421
 422     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 423         FileFragment secondFragment = getSecondFragment();
 424         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 425         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 426             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 427             OCFile fileInFragment = detailsFragment.getFile();
 428             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 429                 // the user browsed to other file ; forget the automatic preview
 430                 mWaitingToPreview = null;
 431
 432             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 433                 // grant that the right panel updates the progress bar
 434                 detailsFragment.listenForTransferProgress();
 435                 detailsFragment.updateFileDetails(true, false);
 436
 437             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 438                 //  update the right panel
 439                 boolean detailsFragmentChanged = false;
 440                 if (waitedPreview) {
 441                     if (success) {
 442                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 443                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 444                             startMediaPreview(mWaitingToPreview, 0, true);
 445                             detailsFragmentChanged = true;
 446                         } else {
 447                             getFileOperationsHelper().openFile(mWaitingToPreview);
 448                         }
 449                     }
 450                     mWaitingToPreview = null;
 451                 }
 452                 if (!detailsFragmentChanged) {
 453                     detailsFragment.updateFileDetails(false, (success));
 454                 }
 455             }
 456         }
 457     }
 458
 459     @Override
 460     public boolean onPrepareOptionsMenu(Menu menu) {
 461         if (BuildConfig.DEBUG) {
 462             menu.findItem(R.id.action_logger).setVisible(true);
 463         } else {
 464             menu.findItem(R.id.action_logger).setVisible(false);
 465         }
 466         return super.onPrepareOptionsMenu(menu);
 467     }
 468
 469     @Override
 470     public boolean onCreateOptionsMenu(Menu menu) {
 471         MenuInflater inflater = getSherlock().getMenuInflater();
 472         inflater.inflate(R.menu.main_menu, menu);
 473         return true;
 474     }
 475
 476     @Override
 477     public boolean onOptionsItemSelected(MenuItem item) {
 478         boolean retval = true;
 479         switch (item.getItemId()) {
 480         case R.id.action_create_dir: {
 481             CreateFolderDialogFragment dialog =
 482                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 483             dialog.show(getSupportFragmentManager(), "createdirdialog");
 484             break;
 485         }
 486         case R.id.action_sync_account: {
 487             startSynchronization();
 488             break;
 489         }
 490         case R.id.action_upload: {
 491             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 492             break;
 493         }
 494         case R.id.action_settings: {
 495             Intent settingsIntent = new Intent(this, Preferences.class);
 496             startActivity(settingsIntent);
 497             break;
 498         }
 499         case R.id.action_logger: {
 500             Intent loggerIntent = new Intent(getApplicationContext(),LogHistoryActivity.class);
 501             startActivity(loggerIntent);
 502             break;
 503         }
 504         case android.R.id.home: {
 505             FileFragment second = getSecondFragment();
 506             OCFile currentDir = getCurrentDir();
 507             if((currentDir != null && currentDir.getParentId() != 0) ||
 508                     (second != null && second.getFile() != null)) {
 509                 onBackPressed();
 510
 511             }
 512             break;
 513         }
 514         case R.id.action_sort: {
 515             SharedPreferences appPreferences = PreferenceManager
 516                     .getDefaultSharedPreferences(this);
 517
 518             // Read sorting order, default to sort by name ascending
 519             Integer sortOrder = appPreferences
 520                     .getInt("sortOrder", FileListListAdapter.SORT_NAME);
 521
 522             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 523             builder.setTitle(R.string.actionbar_sort_title)
 524             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 525                 public void onClick(DialogInterface dialog, int which) {
 526
 527                     switch (which){
 528                     case 0:
 529                         sortByName(true);
 530                         break;
 531                     case 1:
 532                         sortByDate(false);
 533                         break;
 534
 535 // TODO re-enable when server-side folder size calculation is available
 536 //                    case 2:
 537 //                        sortBySize(false);
 538 //                        break;
 539                     }
 540
 541                     dialog.dismiss();
 542
 543                 }
 544             });
 545             builder.create().show();
 546             break;
 547         }
 548         default:
 549             retval = super.onOptionsItemSelected(item);
 550         }
 551         return retval;
 552     }
 553
 554     private void startSynchronization() {
 555         Log_OC.e(TAG, "Got to start sync");
 556         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 557             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 558             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 559             Bundle bundle = new Bundle();
 560             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 561             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 562             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 563             ContentResolver.requestSync(
 564                     getAccount(),
 565                     MainApp.getAuthority(), bundle);
 566         } else {
 567             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 568             SyncRequest.Builder builder = new SyncRequest.Builder();
 569             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 570             builder.setExpedited(true);
 571             builder.setManual(true);
 572             builder.syncOnce();
 573
 574             // Fix bug in Android Lollipop when you click on refresh the whole account
 575             Bundle extras = new Bundle();
 576             builder.setExtras(extras);
 577
 578             SyncRequest request = builder.build();
 579             ContentResolver.requestSync(request);
 580         }
 581     }
 582
 583
 584     @Override
 585     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 586         if (itemPosition != 0) {
 587             String targetPath = "";
 588             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 589                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 590             }
 591             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 592             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 593             if (targetFolder != null) {
 594                 browseTo(targetFolder);
 595             }
 596
 597             // the next operation triggers a new call to this method, but it's necessary to
 598             // ensure that the name exposed in the action bar is the current directory when the
 599             // user selected it in the navigation list
 600             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 601                 getSupportActionBar().setSelectedNavigationItem(0);
 602         }
 603         return true;
 604     }
 605
 606     /**
 607      * Called, when the user selected something for uploading
 608      */
 609     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 610         super.onActivityResult(requestCode, resultCode, data);
 611
 612         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 613             requestSimpleUpload(data, resultCode);
 614
 615         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 616             requestMultipleUpload(data, resultCode);
 617
 618         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 619
 620             final Intent fData = data;
 621             final int fResultCode = resultCode;
 622             getHandler().postDelayed(
 623                 new Runnable() {
 624                     @Override
 625                     public void run() {
 626                         requestMoveOperation(fData, fResultCode);
 627                     }
 628                 },
 629                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 630             );
 631         }
 632     }
 633
 634     private void requestMultipleUpload(Intent data, int resultCode) {
 635         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 636         if (filePaths != null) {
 637             String[] remotePaths = new String[filePaths.length];
 638             String remotePathBase = "";
 639             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 640                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 641             }
 642             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 643                 remotePathBase += OCFile.PATH_SEPARATOR;
 644             for (int j = 0; j< remotePaths.length; j++) {
 645                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 646             }
 647
 648             Intent i = new Intent(this, FileUploader.class);
 649             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 650             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 651             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 652             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 653             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 654                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 655             startService(i);
 656
 657         } else {
 658             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 659             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 660             t.show();
 661             return;
 662         }
 663     }
 664
 665
 666     private void requestSimpleUpload(Intent data, int resultCode) {
 667         String filepath = null;
 668         String mimeType = null;
 669
 670         Uri selectedImageUri = data.getData();
 671
 672         try {
 673             mimeType = getContentResolver().getType(selectedImageUri);
 674
 675             String filemanagerstring = selectedImageUri.getPath();
 676             String selectedImagePath = getPath(selectedImageUri);
 677
 678             if (selectedImagePath != null)
 679                 filepath = selectedImagePath;
 680             else
 681                 filepath = filemanagerstring;
 682
 683         } catch (Exception e) {
 684             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 685             e.printStackTrace();
 686
 687         } finally {
 688             if (filepath == null) {
 689                 Log_OC.e(TAG, "Couldnt resolve path to file");
 690                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 691                 t.show();
 692                 return;
 693             }
 694         }
 695
 696         Intent i = new Intent(this, FileUploader.class);
 697         i.putExtra(FileUploader.KEY_ACCOUNT,
 698                 getAccount());
 699         String remotepath = new String();
 700         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 701             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 702         }
 703         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 704             remotepath += OCFile.PATH_SEPARATOR;
 705
 706         if (filepath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 707
 708             Cursor cursor = MainApp.getAppContext().getContentResolver()
 709                     .query(Uri.parse(filepath), null, null, null, null, null);
 710
 711             try {
 712                 if (cursor != null && cursor.moveToFirst()) {
 713                     String displayName = cursor.getString(
 714                             cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
 715                     Log.i(TAG, "Display Name: " + displayName + "; mimeType: " + mimeType);
 716
 717                     displayName.replace(File.separatorChar, '_');
 718                     displayName.replace(File.pathSeparatorChar, '_');
 719                     remotepath += displayName + DisplayUtils.getComposedFileExtension(filepath);
 720
 721                 }
 722             } finally {
 723                 cursor.close();
 724             }
 725
 726         } else {
 727             remotepath += new File(filepath).getName();
 728         }
 729
 730         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 731         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 732         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 733         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 734         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 735             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 736         startService(i);
 737     }
 738
 739     /**
 740      * Request the operation for moving the file/folder from one path to another
 741      *
 742      * @param data              Intent received
 743      * @param resultCode        Result code received
 744      */
 745     private void requestMoveOperation(Intent data, int resultCode) {
 746         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 747         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 748         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 749     }
 750
 751     @Override
 752     public void onBackPressed() {
 753         OCFileListFragment listOfFiles = getListOfFilesFragment();
 754         if (mDualPane || getSecondFragment() == null) {
 755             if (listOfFiles != null) {  // should never be null, indeed
 756                 if (mDirectories.getCount() <= 1) {
 757                     finish();
 758                     return;
 759                 }
 760                 int levelsUp = listOfFiles.onBrowseUp();
 761                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 762                     popDirname();
 763                 }
 764             }
 765         }
 766         if (listOfFiles != null) {  // should never be null, indeed
 767             setFile(listOfFiles.getCurrentFile());
 768         }
 769         cleanSecondFragment();
 770
 771     }
 772
 773     @Override
 774     protected void onSaveInstanceState(Bundle outState) {
 775         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 776         Log_OC.e(TAG, "onSaveInstanceState() start");
 777         super.onSaveInstanceState(outState);
 778         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 779         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 780         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 781         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 782
 783         Log_OC.d(TAG, "onSaveInstanceState() end");
 784     }
 785
 786
 787
 788     @Override
 789     protected void onResume() {
 790         super.onResume();
 791         Log_OC.e(TAG, "onResume() start");
 792
 793         // refresh list of files
 794         refreshListOfFilesFragment();
 795
 796         // Listen for sync messages
 797         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 798         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 799         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 800         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 801         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 802         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 803         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 804         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 805
 806         // Listen for upload messages
 807         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 808         mUploadFinishReceiver = new UploadFinishReceiver();
 809         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 810
 811         // Listen for download messages
 812         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 813         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 814         mDownloadFinishReceiver = new DownloadFinishReceiver();
 815         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 816
 817         Log_OC.d(TAG, "onResume() end");
 818     }
 819
 820
 821     @Override
 822     protected void onPause() {
 823         Log_OC.e(TAG, "onPause() start");
 824         if (mSyncBroadcastReceiver != null) {
 825             unregisterReceiver(mSyncBroadcastReceiver);
 826             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 827             mSyncBroadcastReceiver = null;
 828         }
 829         if (mUploadFinishReceiver != null) {
 830             unregisterReceiver(mUploadFinishReceiver);
 831             mUploadFinishReceiver = null;
 832         }
 833         if (mDownloadFinishReceiver != null) {
 834             unregisterReceiver(mDownloadFinishReceiver);
 835             mDownloadFinishReceiver = null;
 836         }
 837
 838
 839         Log_OC.d(TAG, "onPause() end");
 840         super.onPause();
 841     }
 842
 843
 844     @Override
 845     protected Dialog onCreateDialog(int id) {
 846         Dialog dialog = null;
 847         AlertDialog.Builder builder;
 848         switch (id) {
 849         case DIALOG_SHORT_WAIT: {
 850             ProgressDialog working_dialog = new ProgressDialog(this);
 851             working_dialog.setMessage(getResources().getString(
 852                     R.string.wait_a_moment));
 853             working_dialog.setIndeterminate(true);
 854             working_dialog.setCancelable(false);
 855             dialog = working_dialog;
 856             break;
 857         }
 858         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 859
 860
 861             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 862                     getString(R.string.actionbar_upload_from_apps) };
 863
 864             builder = new AlertDialog.Builder(this);
 865             builder.setTitle(R.string.actionbar_upload);
 866             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 867                 public void onClick(DialogInterface dialog, int item) {
 868                     if (item == 0) {
 869                         // if (!mDualPane) {
 870                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 871                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 872                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 873                             // } else {
 874                             // TODO create and handle new fragment
 875                             // LocalFileListFragment
 876                             // }
 877                     } else if (item == 1) {
 878                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 879                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 880                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 881                                 ACTION_SELECT_CONTENT_FROM_APPS);
 882                     }
 883                 }
 884             });
 885             dialog = builder.create();
 886             break;
 887         }
 888         case DIALOG_CERT_NOT_SAVED: {
 889             builder = new AlertDialog.Builder(this);
 890             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 891             builder.setCancelable(false);
 892             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 893                 @Override
 894                 public void onClick(DialogInterface dialog, int which) {
 895                     dialog.dismiss();
 896                 };
 897             });
 898             dialog = builder.create();
 899             break;
 900         }
 901         default:
 902             dialog = null;
 903         }
 904
 905         return dialog;
 906     }
 907
 908     /**
 909      * Translates a content URI of an content to a physical path on the disk
 910      *
 911      * @param uri The URI to resolve
 912      * @return The path to the content or null if it could not be found
 913      */
 914     public String getPath(Uri uri) {
 915         final boolean isKitKatOrLater = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
 916
 917         // DocumentProvider
 918         if (isKitKatOrLater && DocumentsContract.isDocumentUri(getApplicationContext(), uri)) {
 919             // ExternalStorageProvider
 920             if (UriUtils.isExternalStorageDocument(uri)) {
 921                 final String docId = DocumentsContract.getDocumentId(uri);
 922                 final String[] split = docId.split(":");
 923                 final String type = split[0];
 924
 925                 if ("primary".equalsIgnoreCase(type)) {
 926                     return Environment.getExternalStorageDirectory() + "/" + split[1];
 927                 }
 928             }
 929             // DownloadsProvider
 930             else if (UriUtils.isDownloadsDocument(uri)) {
 931
 932                 final String id = DocumentsContract.getDocumentId(uri);
 933                 final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
 934                         Long.valueOf(id));
 935
 936                 return UriUtils.getDataColumn(getApplicationContext(), contentUri, null, null);
 937             }
 938             // MediaProvider
 939             else if (UriUtils.isMediaDocument(uri)) {
 940                 final String docId = DocumentsContract.getDocumentId(uri);
 941                 final String[] split = docId.split(":");
 942                 final String type = split[0];
 943
 944                 Uri contentUri = null;
 945                 if ("image".equals(type)) {
 946                     contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
 947                 } else if ("video".equals(type)) {
 948                     contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
 949                 } else if ("audio".equals(type)) {
 950                     contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
 951                 }
 952
 953                 final String selection = "_id=?";
 954                 final String[] selectionArgs = new String[] { split[1] };
 955
 956                 return UriUtils.getDataColumn(getApplicationContext(), contentUri, selection, selectionArgs);
 957             }
 958             // Documents providers returned as content://...
 959             else if (UriUtils.isContentDocument(uri)) {
 960                 return uri.toString();
 961             }
 962         }
 963         // MediaStore (and general)
 964         else if ("content".equalsIgnoreCase(uri.getScheme())) {
 965
 966             // Return the remote address
 967             if (UriUtils.isGooglePhotosUri(uri))
 968                 return uri.getLastPathSegment();
 969
 970             return UriUtils.getDataColumn(getApplicationContext(), uri, null, null);
 971         }
 972         // File
 973         else if ("file".equalsIgnoreCase(uri.getScheme())) {
 974             return uri.getPath();
 975         }
 976         return null;
 977     }
 978
 979     /**
 980      * Pushes a directory to the drop down list
 981      * @param directory to push
 982      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 983      */
 984     public void pushDirname(OCFile directory) {
 985         if(!directory.isFolder()){
 986             throw new IllegalArgumentException("Only directories may be pushed!");
 987         }
 988         mDirectories.insert(directory.getFileName(), 0);
 989         setFile(directory);
 990     }
 991
 992     /**
 993      * Pops a directory name from the drop down list
 994      * @return True, unless the stack is empty
 995      */
 996     public boolean popDirname() {
 997         mDirectories.remove(mDirectories.getItem(0));
 998         return !mDirectories.isEmpty();
 999     }
1000
1001     // Custom array adapter to override text colors
1002     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
1003
1004         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
1005             super(ctx, view);
1006         }
1007
1008         public View getView(int position, View convertView, ViewGroup parent) {
1009             View v = super.getView(position, convertView, parent);
1010
1011             ((TextView) v).setTextColor(getResources().getColorStateList(
1012                     android.R.color.white));
1013
1014             fixRoot((TextView) v );
1015             return v;
1016         }
1017
1018         public View getDropDownView(int position, View convertView,
1019                 ViewGroup parent) {
1020             View v = super.getDropDownView(position, convertView, parent);
1021
1022             ((TextView) v).setTextColor(getResources().getColorStateList(
1023                     android.R.color.white));
1024
1025             fixRoot((TextView) v );
1026             return v;
1027         }
1028
1029         private void fixRoot(TextView v) {
1030             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
1031                 v.setText(R.string.default_display_name_for_root_folder);
1032             }
1033         }
1034
1035     }
1036
1037     private class SyncBroadcastReceiver extends BroadcastReceiver {
1038
1039         /**
1040          * {@link BroadcastReceiver} to enable syncing feedback in UI
1041          */
1042         @Override
1043         public void onReceive(Context context, Intent intent) {
1044             try {
1045                 String event = intent.getAction();
1046                 Log_OC.d(TAG, "Received broadcast " + event);
1047                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
1048                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
1049                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
1050                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
1051
1052                 if (sameAccount) {
1053
1054                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
1055                         mSyncInProgress = true;
1056
1057                     } else {
1058                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
1059                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1060
1061                         if (currentDir == null) {
1062                             // current folder was removed from the server
1063                             Toast.makeText( FileDisplayActivity.this,
1064                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
1065                                             Toast.LENGTH_LONG)
1066                                 .show();
1067                             browseToRoot();
1068
1069                         } else {
1070                             if (currentFile == null && !getFile().isFolder()) {
1071                                 // currently selected file was removed in the server, and now we know it
1072                                 cleanSecondFragment();
1073                                 currentFile = currentDir;
1074                             }
1075
1076                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1077                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1078                                 if (fileListFragment != null) {
1079                                     fileListFragment.listDirectory(currentDir);
1080                                 }
1081                             }
1082                             setFile(currentFile);
1083                         }
1084
1085                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1086
1087                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1088                                     equals(event) &&
1089                                 /// TODO refactor and make common
1090                                 synchResult != null && !synchResult.isSuccess() &&
1091                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1092                                     synchResult.isIdPRedirection()                  ||
1093                                     (synchResult.isException() && synchResult.getException()
1094                                             instanceof AuthenticatorException))) {
1095
1096                             OwnCloudClient client = null;
1097                             try {
1098                                 OwnCloudAccount ocAccount =
1099                                         new OwnCloudAccount(getAccount(), context);
1100                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1101                                         removeClientFor(ocAccount));
1102                                 // TODO get rid of these exceptions
1103                             } catch (AccountNotFoundException e) {
1104                                 e.printStackTrace();
1105                             } catch (AuthenticatorException e) {
1106                                 e.printStackTrace();
1107                             } catch (OperationCanceledException e) {
1108                                 e.printStackTrace();
1109                             } catch (IOException e) {
1110                                 e.printStackTrace();
1111                             }
1112
1113                             if (client != null) {
1114                                 OwnCloudCredentials cred = client.getCredentials();
1115                                 if (cred != null) {
1116                                     AccountManager am = AccountManager.get(context);
1117                                     if (cred.authTokenExpires()) {
1118                                         am.invalidateAuthToken(
1119                                                 getAccount().type,
1120                                                 cred.getAuthToken()
1121                                         );
1122                                     } else {
1123                                         am.clearPassword(getAccount());
1124                                     }
1125                                 }
1126                             }
1127
1128                             requestCredentialsUpdate();
1129
1130                         }
1131                     }
1132                     removeStickyBroadcast(intent);
1133                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1134                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1135
1136                     setBackgroundText();
1137
1138                 }
1139
1140                 if (synchResult != null) {
1141                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1142                         mLastSslUntrustedServerResult = synchResult;
1143                     }
1144                 }
1145             } catch (RuntimeException e) {
1146                 // avoid app crashes after changing the serial id of RemoteOperationResult
1147                 // in owncloud library with broadcast notifications pending to process
1148                 removeStickyBroadcast(intent);
1149             }
1150         }
1151     }
1152
1153     /**
1154      * Show a text message on screen view for notifying user if content is
1155      * loading or folder is empty
1156      */
1157     private void setBackgroundText() {
1158         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1159         if (ocFileListFragment != null) {
1160             int message = R.string.file_list_loading;
1161             if (!mSyncInProgress) {
1162                 // In case file list is empty
1163                 message = R.string.file_list_empty;
1164             }
1165             ocFileListFragment.setMessageForEmptyList(getString(message));
1166         } else {
1167             Log_OC.e(TAG, "OCFileListFragment is null");
1168         }
1169     }
1170
1171     /**
1172      * Once the file upload has finished -> update view
1173      */
1174     private class UploadFinishReceiver extends BroadcastReceiver {
1175         /**
1176          * Once the file upload has finished -> update view
1177          *  @author David A. Velasco
1178          * {@link BroadcastReceiver} to enable upload feedback in UI
1179          */
1180         @Override
1181         public void onReceive(Context context, Intent intent) {
1182             try {
1183                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1184                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1185                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1186                 OCFile currentDir = getCurrentDir();
1187                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1188                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1189
1190                 if (sameAccount && isDescendant) {
1191                     refreshListOfFilesFragment();
1192                 }
1193
1194                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1195                 boolean renamedInUpload = getFile().getRemotePath().
1196                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1197                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1198                         renamedInUpload;
1199                 FileFragment details = getSecondFragment();
1200                 boolean detailFragmentIsShown = (details != null &&
1201                         details instanceof FileDetailFragment);
1202
1203                 if (sameAccount && sameFile && detailFragmentIsShown) {
1204                     if (uploadWasFine) {
1205                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1206                     }
1207                     if (renamedInUpload) {
1208                         String newName = (new File(uploadedRemotePath)).getName();
1209                         Toast msg = Toast.makeText(
1210                                 context,
1211                                 String.format(
1212                                         getString(R.string.filedetails_renamed_in_upload_msg),
1213                                         newName),
1214                                 Toast.LENGTH_LONG);
1215                         msg.show();
1216                     }
1217                     if (uploadWasFine || getFile().fileExists()) {
1218                         ((FileDetailFragment)details).updateFileDetails(false, true);
1219                     } else {
1220                         cleanSecondFragment();
1221                     }
1222
1223                     // Force the preview if the file is an image
1224                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1225                         startImagePreview(getFile());
1226                     } // TODO what about other kind of previews?
1227                 }
1228
1229             } finally {
1230                 if (intent != null) {
1231                     removeStickyBroadcast(intent);
1232                 }
1233             }
1234
1235         }
1236
1237     }
1238
1239
1240     /**
1241      * Class waiting for broadcast events from the {@link FielDownloader} service.
1242      *
1243      * Updates the UI when a download is started or finished, provided that it is relevant for the
1244      * current folder.
1245      */
1246     private class DownloadFinishReceiver extends BroadcastReceiver {
1247         @Override
1248         public void onReceive(Context context, Intent intent) {
1249             try {
1250                 boolean sameAccount = isSameAccount(context, intent);
1251                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1252                 boolean isDescendant = isDescendant(downloadedRemotePath);
1253
1254                 if (sameAccount && isDescendant) {
1255                     refreshListOfFilesFragment();
1256                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1257                 }
1258
1259                 if (mWaitingToSend != null) {
1260                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1261                     if (mWaitingToSend.isDown()) {
1262                         sendDownloadedFile();
1263                     }
1264                 }
1265
1266             } finally {
1267                 if (intent != null) {
1268                     removeStickyBroadcast(intent);
1269                 }
1270             }
1271         }
1272
1273         private boolean isDescendant(String downloadedRemotePath) {
1274             OCFile currentDir = getCurrentDir();
1275             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1276         }
1277
1278         private boolean isSameAccount(Context context, Intent intent) {
1279             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1280             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1281         }
1282     }
1283
1284
1285     public void browseToRoot() {
1286         OCFileListFragment listOfFiles = getListOfFilesFragment();
1287         if (listOfFiles != null) {  // should never be null, indeed
1288             while (mDirectories.getCount() > 1) {
1289                 popDirname();
1290             }
1291             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1292             listOfFiles.listDirectory(root);
1293             setFile(listOfFiles.getCurrentFile());
1294             startSyncFolderOperation(root, false);
1295         }
1296         cleanSecondFragment();
1297     }
1298
1299
1300     public void browseTo(OCFile folder) {
1301         if (folder == null || !folder.isFolder()) {
1302             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1303         }
1304         OCFileListFragment listOfFiles = getListOfFilesFragment();
1305         if (listOfFiles != null) {
1306             setNavigationListWithFolder(folder);
1307             listOfFiles.listDirectory(folder);
1308             setFile(listOfFiles.getCurrentFile());
1309             startSyncFolderOperation(folder, false);
1310         } else {
1311             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1312         }
1313         cleanSecondFragment();
1314     }
1315
1316
1317     /**
1318      * {@inheritDoc}
1319      *
1320      * Updates action bar and second fragment, if in dual pane mode.
1321      */
1322     @Override
1323     public void onBrowsedDownTo(OCFile directory) {
1324         pushDirname(directory);
1325         cleanSecondFragment();
1326
1327         // Sync Folder
1328         startSyncFolderOperation(directory, false);
1329
1330     }
1331
1332     /**
1333      * Shows the information of the {@link OCFile} received as a
1334      * parameter in the second fragment.
1335      *
1336      * @param file          {@link OCFile} whose details will be shown
1337      */
1338     @Override
1339     public void showDetails(OCFile file) {
1340         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1341         setSecondFragment(detailFragment);
1342         updateFragmentsVisibility(true);
1343         updateNavigationElementsInActionBar(file);
1344         setFile(file);
1345     }
1346
1347
1348     /**
1349      * TODO
1350      */
1351     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1352         ActionBar actionBar = getSupportActionBar();
1353
1354         // For adding content description tag to a title field in the action bar
1355         int actionBarTitleId = getResources().getIdentifier("action_bar_title", "id", "android");
1356
1357         if (chosenFile == null || mDualPane) {
1358             // only list of files - set for browsing through folders
1359             OCFile currentDir = getCurrentDir();
1360             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1361             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1362             actionBar.setDisplayShowTitleEnabled(!noRoot);
1363             if (!noRoot) {
1364                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1365                 getWindow().getDecorView().findViewById(actionBarTitleId).setContentDescription(getString(R.string.default_display_name_for_root_folder));
1366             }
1367             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1368             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1369
1370         } else {
1371             actionBar.setDisplayHomeAsUpEnabled(true);
1372             actionBar.setDisplayShowTitleEnabled(true);
1373             actionBar.setTitle(chosenFile.getFileName());
1374             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1375             getWindow().getDecorView().findViewById(actionBarTitleId).setContentDescription(chosenFile.getFileName());
1376         }
1377     }
1378
1379
1380     @Override
1381     protected ServiceConnection newTransferenceServiceConnection() {
1382         return new ListServiceConnection();
1383     }
1384
1385     /** Defines callbacks for service binding, passed to bindService() */
1386     private class ListServiceConnection implements ServiceConnection {
1387
1388         @Override
1389         public void onServiceConnected(ComponentName component, IBinder service) {
1390             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1391                 Log_OC.d(TAG, "Download service connected");
1392                 mDownloaderBinder = (FileDownloaderBinder) service;
1393                 if (mWaitingToPreview != null)
1394                     if (getStorageManager() != null) {
1395                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1396                         if (!mWaitingToPreview.isDown()) {
1397                             requestForDownload();
1398                         }
1399                 }
1400
1401             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1402                 Log_OC.d(TAG, "Upload service connected");
1403                 mUploaderBinder = (FileUploaderBinder) service;
1404             } else {
1405                 return;
1406             }
1407             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1408             OCFileListFragment listOfFiles = getListOfFilesFragment();
1409             if (listOfFiles != null) {
1410                 listOfFiles.listDirectory();
1411             }
1412             FileFragment secondFragment = getSecondFragment();
1413             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1414                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1415                 detailFragment.listenForTransferProgress();
1416                 detailFragment.updateFileDetails(false, false);
1417             }
1418         }
1419
1420         @Override
1421         public void onServiceDisconnected(ComponentName component) {
1422             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1423                 Log_OC.d(TAG, "Download service disconnected");
1424                 mDownloaderBinder = null;
1425             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1426                 Log_OC.d(TAG, "Upload service disconnected");
1427                 mUploaderBinder = null;
1428             }
1429         }
1430     };
1431
1432
1433
1434     /**
1435      * Launch an intent to request the PIN code to the user before letting him use the app
1436      */
1437     private void requestPinCode() {
1438         boolean pinStart = false;
1439         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1440         pinStart = appPrefs.getBoolean("set_pincode", false);
1441         if (pinStart) {
1442             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1443             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1444             startActivity(i);
1445         }
1446     }
1447
1448
1449     @Override
1450     public void onSavedCertificate() {
1451         startSyncFolderOperation(getCurrentDir(), false);
1452     }
1453
1454
1455     @Override
1456     public void onFailedSavingCertificate() {
1457         showDialog(DIALOG_CERT_NOT_SAVED);
1458     }
1459
1460     @Override
1461     public void onCancelCertificate() {
1462         // nothing to do
1463     }
1464
1465     /**
1466      * Updates the view associated to the activity after the finish of some operation over files
1467      * in the current account.
1468      *
1469      * @param operation     Removal operation performed.
1470      * @param result        Result of the removal.
1471      */
1472     @Override
1473     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1474         super.onRemoteOperationFinish(operation, result);
1475
1476         if (operation instanceof RemoveFileOperation) {
1477             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1478
1479         } else if (operation instanceof RenameFileOperation) {
1480             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1481
1482         } else if (operation instanceof SynchronizeFileOperation) {
1483             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1484
1485         } else if (operation instanceof CreateFolderOperation) {
1486             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1487
1488         } else if (operation instanceof CreateShareOperation) {
1489             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1490
1491         } else if (operation instanceof UnshareLinkOperation) {
1492             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1493
1494         } else if (operation instanceof MoveFileOperation) {
1495             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1496         }
1497
1498     }
1499
1500
1501     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1502         if (result.isSuccess()) {
1503             refreshShowDetails();
1504             refreshListOfFilesFragment();
1505         }
1506     }
1507
1508
1509     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1510         if (result.isSuccess()) {
1511             refreshShowDetails();
1512             refreshListOfFilesFragment();
1513
1514         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1515             cleanSecondFragment();
1516             refreshListOfFilesFragment();
1517         }
1518     }
1519
1520     private void refreshShowDetails() {
1521         FileFragment details = getSecondFragment();
1522         if (details != null) {
1523             OCFile file = details.getFile();
1524             if (file != null) {
1525                 file = getStorageManager().getFileByPath(file.getRemotePath());
1526                 if (details instanceof PreviewMediaFragment) {
1527                     // Refresh  OCFile of the fragment
1528                     ((PreviewMediaFragment) details).updateFile(file);
1529                 } else {
1530                     showDetails(file);
1531                 }
1532             }
1533             invalidateOptionsMenu();
1534         }
1535     }
1536
1537     /**
1538      * Updates the view associated to the activity after the finish of an operation trying to remove a
1539      * file.
1540      *
1541      * @param operation     Removal operation performed.
1542      * @param result        Result of the removal.
1543      */
1544     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1545         dismissLoadingDialog();
1546
1547         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1548                 Toast.LENGTH_LONG);
1549         msg.show();
1550
1551         if (result.isSuccess()) {
1552             OCFile removedFile = operation.getFile();
1553             FileFragment second = getSecondFragment();
1554             if (second != null && removedFile.equals(second.getFile())) {
1555                 if (second instanceof PreviewMediaFragment) {
1556                     ((PreviewMediaFragment)second).stopPreview(true);
1557                 }
1558                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1559                 cleanSecondFragment();
1560             }
1561             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1562                 refreshListOfFilesFragment();
1563             }
1564             invalidateOptionsMenu();
1565         } else {
1566             if (result.isSslRecoverableException()) {
1567                 mLastSslUntrustedServerResult = result;
1568                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1569             }
1570         }
1571     }
1572
1573
1574     /**
1575      * Updates the view associated to the activity after the finish of an operation trying to move a
1576      * file.
1577      *
1578      * @param operation     Move operation performed.
1579      * @param result        Result of the move operation.
1580      */
1581     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1582         if (result.isSuccess()) {
1583             dismissLoadingDialog();
1584             refreshListOfFilesFragment();
1585         } else {
1586             dismissLoadingDialog();
1587             try {
1588                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1589                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1590                         Toast.LENGTH_LONG);
1591                 msg.show();
1592
1593             } catch (NotFoundException e) {
1594                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1595             }
1596         }
1597     }
1598
1599
1600     /**
1601      * Updates the view associated to the activity after the finish of an operation trying to rename a
1602      * file.
1603      *
1604      * @param operation     Renaming operation performed.
1605      * @param result        Result of the renaming.
1606      */
1607     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1608         dismissLoadingDialog();
1609         OCFile renamedFile = operation.getFile();
1610         if (result.isSuccess()) {
1611             FileFragment details = getSecondFragment();
1612             if (details != null) {
1613                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1614                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1615                     showDetails(renamedFile);
1616
1617                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1618                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1619                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1620                         int position = ((PreviewMediaFragment)details).getPosition();
1621                         startMediaPreview(renamedFile, position, true);
1622                     } else {
1623                         getFileOperationsHelper().openFile(renamedFile);
1624                     }
1625                 }
1626             }
1627
1628             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1629                 refreshListOfFilesFragment();
1630             }
1631
1632         } else {
1633             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1634                     Toast.LENGTH_LONG);
1635             msg.show();
1636
1637             if (result.isSslRecoverableException()) {
1638                 mLastSslUntrustedServerResult = result;
1639                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1640             }
1641         }
1642     }
1643
1644     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1645         dismissLoadingDialog();
1646         OCFile syncedFile = operation.getLocalFile();
1647         if (!result.isSuccess()) {
1648             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1649                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1650                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1651                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1652                 startActivity(i);
1653
1654             }
1655
1656         } else {
1657             if (operation.transferWasRequested()) {
1658                 onTransferStateChanged(syncedFile, true, true);
1659
1660             } else {
1661                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1662                         Toast.LENGTH_LONG);
1663                 msg.show();
1664             }
1665         }
1666     }
1667
1668     /**
1669      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1670      *
1671      * @param operation     Creation operation performed.
1672      * @param result        Result of the creation.
1673      */
1674     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1675         if (result.isSuccess()) {
1676             dismissLoadingDialog();
1677             refreshListOfFilesFragment();
1678         } else {
1679             dismissLoadingDialog();
1680             try {
1681                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1682                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1683                         Toast.LENGTH_LONG);
1684                 msg.show();
1685
1686             } catch (NotFoundException e) {
1687                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1688             }
1689         }
1690     }
1691
1692
1693     /**
1694      * {@inheritDoc}
1695      */
1696     @Override
1697     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1698         refreshListOfFilesFragment();
1699         FileFragment details = getSecondFragment();
1700         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1701             if (downloading || uploading) {
1702                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1703             } else {
1704                 if (!file.fileExists()) {
1705                     cleanSecondFragment();
1706                 } else {
1707                     ((FileDetailFragment)details).updateFileDetails(false, true);
1708                 }
1709             }
1710         }
1711
1712     }
1713
1714
1715     private void requestForDownload() {
1716         Account account = getAccount();
1717         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1718             Intent i = new Intent(this, FileDownloader.class);
1719             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1720             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1721             startService(i);
1722         }
1723     }
1724
1725
1726     private OCFile getCurrentDir() {
1727         OCFile file = getFile();
1728         if (file != null) {
1729             if (file.isFolder()) {
1730                 return file;
1731             } else if (getStorageManager() != null) {
1732                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1733                 return getStorageManager().getFileByPath(parentPath);
1734             }
1735         }
1736         return null;
1737     }
1738
1739     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1740         long currentSyncTime = System.currentTimeMillis();
1741
1742         mSyncInProgress = true;
1743
1744         // perform folder synchronization
1745         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1746                                                                         currentSyncTime,
1747                                                                         false,
1748                                                                         getFileOperationsHelper().isSharedSupported(),
1749                                                                         ignoreETag,
1750                                                                         getStorageManager(),
1751                                                                         getAccount(),
1752                                                                         getApplicationContext()
1753                                                                       );
1754         synchFolderOp.execute(getAccount(), this, null, null);
1755
1756         setSupportProgressBarIndeterminateVisibility(true);
1757
1758         setBackgroundText();
1759     }
1760
1761     /**
1762      * Show untrusted cert dialog
1763      */
1764     public void showUntrustedCertDialog(RemoteOperationResult result) {
1765         // Show a dialog with the certificate info
1766         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1767         FragmentManager fm = getSupportFragmentManager();
1768         FragmentTransaction ft = fm.beginTransaction();
1769         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1770     }
1771
1772     private void requestForDownload(OCFile file) {
1773         Account account = getAccount();
1774         if (!mDownloaderBinder.isDownloading(account, file)) {
1775             Intent i = new Intent(this, FileDownloader.class);
1776             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1777             i.putExtra(FileDownloader.EXTRA_FILE, file);
1778             startService(i);
1779         }
1780     }
1781
1782     private void sendDownloadedFile(){
1783         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1784         mWaitingToSend = null;
1785     }
1786
1787
1788     /**
1789      * Requests the download of the received {@link OCFile} , updates the UI
1790      * to monitor the download progress and prepares the activity to send the file
1791      * when the download finishes.
1792      *
1793      * @param file          {@link OCFile} to download and preview.
1794      */
1795     public void startDownloadForSending(OCFile file) {
1796         mWaitingToSend = file;
1797         requestForDownload(mWaitingToSend);
1798         boolean hasSecondFragment = (getSecondFragment()!= null);
1799         updateFragmentsVisibility(hasSecondFragment);
1800     }
1801
1802     /**
1803      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1804      *
1805      * @param file                      Image {@link OCFile} to show.
1806      */
1807     public void startImagePreview(OCFile file) {
1808         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1809         showDetailsIntent.putExtra(EXTRA_FILE, file);
1810         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1811         startActivity(showDetailsIntent);
1812
1813     }
1814
1815     /**
1816      * Stars the preview of an already down media {@link OCFile}.
1817      *
1818      * @param file                      Media {@link OCFile} to preview.
1819      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1820      * @param autoplay                  When 'true', the playback will start without user interactions.
1821      */
1822     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1823         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1824         setSecondFragment(mediaFragment);
1825         updateFragmentsVisibility(true);
1826         updateNavigationElementsInActionBar(file);
1827         setFile(file);
1828     }
1829
1830     /**
1831      * Requests the download of the received {@link OCFile} , updates the UI
1832      * to monitor the download progress and prepares the activity to preview
1833      * or open the file when the download finishes.
1834      *
1835      * @param file          {@link OCFile} to download and preview.
1836      */
1837     public void startDownloadForPreview(OCFile file) {
1838         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1839         setSecondFragment(detailFragment);
1840         mWaitingToPreview = file;
1841         requestForDownload();
1842         updateFragmentsVisibility(true);
1843         updateNavigationElementsInActionBar(file);
1844         setFile(file);
1845     }
1846
1847
1848     public void cancelTransference(OCFile file) {
1849         getFileOperationsHelper().cancelTransference(file);
1850         if (mWaitingToPreview != null &&
1851                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1852             mWaitingToPreview = null;
1853         }
1854         if (mWaitingToSend != null &&
1855                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1856             mWaitingToSend = null;
1857         }
1858         onTransferStateChanged(file, false, false);
1859     }
1860
1861     @Override
1862     public void onRefresh(boolean ignoreETag) {
1863         refreshList(ignoreETag);
1864     }
1865
1866     @Override
1867     public void onRefresh() {
1868         refreshList(true);
1869     }
1870
1871     private void refreshList(boolean ignoreETag) {
1872         OCFileListFragment listOfFiles = getListOfFilesFragment();
1873         if (listOfFiles != null) {
1874             OCFile folder = listOfFiles.getCurrentFile();
1875             if (folder != null) {
1876                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1877                 listDirectory(mFile);*/
1878                 startSyncFolderOperation(folder, ignoreETag);
1879             }
1880         }
1881     }
1882
1883     private void sortByDate(boolean ascending){
1884         getListOfFilesFragment().sortByDate(ascending);
1885     }
1886
1887     private void sortBySize(boolean ascending){
1888         getListOfFilesFragment().sortBySize(ascending);
1889     }
1890
1891     private void sortByName(boolean ascending){
1892         getListOfFilesFragment().sortByName(ascending);
1893     }
1894 }