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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2011  Bartek Przybylski
   7  *   Copyright (C) 2015 ownCloud Inc.
   8  *
   9  *   This program is free software: you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License version 2,
  11  *   as published by the Free Software Foundation.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  */
  22
  23 package com.owncloud.android.ui.activity;
  24
  25 import java.io.File;
  26
  27 import android.accounts.Account;
  28 import android.accounts.AccountManager;
  29 import android.accounts.AuthenticatorException;
  30 import android.annotation.TargetApi;
  31 import android.app.AlertDialog;
  32 import android.content.BroadcastReceiver;
  33 import android.content.ComponentName;
  34 import android.content.ContentResolver;
  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.IBinder;
  48 import android.preference.PreferenceManager;
  49 import android.provider.OpenableColumns;
  50 import android.support.v4.app.Fragment;
  51 import android.support.v4.app.FragmentManager;
  52 import android.support.v4.app.FragmentTransaction;
  53 import android.view.View;
  54 import android.view.ViewGroup;
  55 import android.widget.ArrayAdapter;
  56 import android.widget.TextView;
  57 import android.widget.Toast;
  58
  59 import com.actionbarsherlock.app.ActionBar;
  60 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  61 import com.actionbarsherlock.view.Menu;
  62 import com.actionbarsherlock.view.MenuInflater;
  63 import com.actionbarsherlock.view.MenuItem;
  64 import com.actionbarsherlock.view.Window;
  65 import com.owncloud.android.BuildConfig;
  66 import com.owncloud.android.MainApp;
  67 import com.owncloud.android.R;
  68 import com.owncloud.android.datamodel.OCFile;
  69 import com.owncloud.android.files.services.FileDownloader;
  70 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  71 import com.owncloud.android.files.services.FileUploader;
  72 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  73 import com.owncloud.android.lib.common.OwnCloudAccount;
  74 import com.owncloud.android.lib.common.OwnCloudClient;
  75 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  76 import com.owncloud.android.lib.common.OwnCloudCredentials;
  77 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  78 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  79 import com.owncloud.android.lib.common.operations.RemoteOperation;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  81 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  82 import com.owncloud.android.lib.common.utils.Log_OC;
  83 import com.owncloud.android.operations.CreateFolderOperation;
  84 import com.owncloud.android.operations.CreateShareOperation;
  85 import com.owncloud.android.operations.MoveFileOperation;
  86 import com.owncloud.android.operations.RemoveFileOperation;
  87 import com.owncloud.android.operations.RenameFileOperation;
  88 import com.owncloud.android.operations.SynchronizeFileOperation;
  89 import com.owncloud.android.operations.RefreshFolderOperation;
  90 import com.owncloud.android.operations.UnshareLinkOperation;
  91 import com.owncloud.android.services.observer.FileObserverService;
  92 import com.owncloud.android.syncadapter.FileSyncAdapter;
  93 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  94 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  95 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  96 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  97 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
  98 import com.owncloud.android.ui.fragment.FileDetailFragment;
  99 import com.owncloud.android.ui.fragment.FileFragment;
 100 import com.owncloud.android.ui.fragment.OCFileListFragment;
 101 import com.owncloud.android.ui.preview.PreviewImageActivity;
 102 import com.owncloud.android.ui.preview.PreviewImageFragment;
 103 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 104 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 105 import com.owncloud.android.utils.DisplayUtils;
 106 import com.owncloud.android.utils.ErrorMessageAdapter;
 107 import com.owncloud.android.utils.FileStorageUtils;
 108 import com.owncloud.android.utils.UriUtils;
 109
 110
 111 /**
 112  * Displays, what files the user has available in his ownCloud.
 113  */
 114
 115 public class FileDisplayActivity extends HookActivity implements
 116 FileFragment.ContainerActivity, OnNavigationListener,
 117 OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 118
 119     private ArrayAdapter<String> mDirectories;
 120
 121     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 122     private UploadFinishReceiver mUploadFinishReceiver;
 123     private DownloadFinishReceiver mDownloadFinishReceiver;
 124     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 125
 126     private boolean mDualPane;
 127     private View mLeftFragmentContainer;
 128     private View mRightFragmentContainer;
 129
 130     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 131     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 132     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 133
 134     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 135
 136     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 137     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 138     public static final int ACTION_MOVE_FILES = 3;
 139
 140     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 141
 142     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 143     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 144
 145     private OCFile mWaitingToPreview;
 146
 147     private boolean mSyncInProgress = false;
 148
 149     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 150     private static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 151     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 152     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 153
 154
 155     private OCFile mWaitingToSend;
 156
 157     @Override
 158     protected void onCreate(Bundle savedInstanceState) {
 159         Log_OC.d(TAG, "onCreate() start");
 160         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 161
 162         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 163
 164         // PIN CODE request ;  best location is to decide, let's try this first
 165         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 166             requestPinCode();
 167         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 168             requestPinCode();
 169         }
 170
 171         /// grant that FileObserverService is watching favourite files
 172         if (savedInstanceState == null) {
 173             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 174             startService(initObserversIntent);
 175         }
 176
 177         /// Load of saved instance state
 178         if(savedInstanceState != null) {
 179             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 180             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 181             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 182
 183         } else {
 184             mWaitingToPreview = null;
 185             mSyncInProgress = false;
 186             mWaitingToSend = null;
 187         }
 188
 189         /// USER INTERFACE
 190
 191         // Inflate and set the layout view
 192         setContentView(R.layout.files);
 193         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 194         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 195         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 196         if (savedInstanceState == null) {
 197             createMinFragments();
 198         }
 199
 200         // Action bar setup
 201         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 202         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 203         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 204
 205         setBackgroundText();
 206
 207         Log_OC.d(TAG, "onCreate() end");
 208     }
 209
 210     @Override
 211     protected void onStart() {
 212         Log_OC.d(TAG, "onStart() start");
 213         super.onStart();
 214         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 215         Log_OC.d(TAG, "onStart() end");
 216     }
 217
 218     @Override
 219     protected void onDestroy() {
 220         Log_OC.d(TAG, "onDestroy() start");
 221         super.onDestroy();
 222         Log_OC.d(TAG, "onDestroy() end");
 223     }
 224
 225     /**
 226      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 227      */
 228     @Override
 229     protected void onAccountSet(boolean stateWasRecovered) {
 230         super.onAccountSet(stateWasRecovered);
 231         if (getAccount() != null) {
 232             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 233             OCFile file = getFile();
 234             // get parent from path
 235             String parentPath = "";
 236             if (file != null) {
 237                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 238                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 239                     // get parent from path
 240                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 241                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 242                         file = null; // not able to know the directory where the file is uploading
 243                 } else {
 244                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 245                 }
 246             }
 247             if (file == null) {
 248                 // fall back to root folder
 249                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 250             }
 251             setFile(file);
 252             setNavigationListWithFolder(file);
 253
 254             if (!stateWasRecovered) {
 255                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 256                 initFragmentsWithFile();
 257                 if (file.isFolder()) {
 258                     startSyncFolderOperation(file, false);
 259                 }
 260
 261             } else {
 262                 updateFragmentsVisibility(!file.isFolder());
 263                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 264             }
 265         }
 266     }
 267
 268
 269     private void setNavigationListWithFolder(OCFile file) {
 270         mDirectories.clear();
 271         OCFile fileIt = file;
 272         String parentPath;
 273         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 274             if (fileIt.isFolder()) {
 275                 mDirectories.add(fileIt.getFileName());
 276             }
 277             // get parent from path
 278             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 279             fileIt = getStorageManager().getFileByPath(parentPath);
 280         }
 281         mDirectories.add(OCFile.PATH_SEPARATOR);
 282     }
 283
 284
 285     private void createMinFragments() {
 286         OCFileListFragment listOfFiles = new OCFileListFragment();
 287         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 288         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 289         transaction.commit();
 290     }
 291
 292     private void initFragmentsWithFile() {
 293         if (getAccount() != null && getFile() != null) {
 294             /// First fragment
 295             OCFileListFragment listOfFiles = getListOfFilesFragment();
 296             if (listOfFiles != null) {
 297                 listOfFiles.listDirectory(getCurrentDir());
 298             } else {
 299                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 300             }
 301
 302             /// Second fragment
 303             OCFile file = getFile();
 304             Fragment secondFragment = chooseInitialSecondFragment(file);
 305             if (secondFragment != null) {
 306                 setSecondFragment(secondFragment);
 307                 updateFragmentsVisibility(true);
 308                 updateNavigationElementsInActionBar(file);
 309
 310             } else {
 311                 cleanSecondFragment();
 312             }
 313
 314         } else {
 315             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 316             if (getAccount() == null) {
 317                 Log_OC.wtf(TAG, "\t account is NULL");
 318             }
 319             if (getFile() == null) {
 320                 Log_OC.wtf(TAG, "\t file is NULL");
 321             }
 322         }
 323     }
 324
 325     private Fragment chooseInitialSecondFragment(OCFile file) {
 326         Fragment secondFragment = null;
 327         if (file != null && !file.isFolder()) {
 328             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 329                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 330                     ) {
 331                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 332                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 333                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 334
 335             } else {
 336                 secondFragment = new FileDetailFragment(file, getAccount());
 337             }
 338         }
 339         return secondFragment;
 340     }
 341
 342
 343     /**
 344      * Replaces the second fragment managed by the activity with the received as
 345      * a parameter.
 346      *
 347      * Assumes never will be more than two fragments managed at the same time.
 348      *
 349      * @param fragment      New second Fragment to set.
 350      */
 351     private void setSecondFragment(Fragment fragment) {
 352         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 353         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 354         transaction.commit();
 355     }
 356
 357
 358     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 359         if (mDualPane) {
 360             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 361                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 362             }
 363             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 364                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 365             }
 366
 367         } else if (existsSecondFragment) {
 368             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 369                 mLeftFragmentContainer.setVisibility(View.GONE);
 370             }
 371             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 372                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 373             }
 374
 375         } else {
 376             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 377                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 378             }
 379             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 380                 mRightFragmentContainer.setVisibility(View.GONE);
 381             }
 382         }
 383     }
 384
 385
 386     private OCFileListFragment getListOfFilesFragment() {
 387         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 388         if (listOfFiles != null) {
 389             return (OCFileListFragment)listOfFiles;
 390         }
 391         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 392         return null;
 393     }
 394
 395     public FileFragment getSecondFragment() {
 396         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 397         if (second != null) {
 398             return (FileFragment)second;
 399         }
 400         return null;
 401     }
 402
 403     protected void cleanSecondFragment() {
 404         Fragment second = getSecondFragment();
 405         if (second != null) {
 406             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 407             tr.remove(second);
 408             tr.commit();
 409         }
 410         updateFragmentsVisibility(false);
 411         updateNavigationElementsInActionBar(null);
 412     }
 413
 414     protected void refreshListOfFilesFragment() {
 415         OCFileListFragment fileListFragment = getListOfFilesFragment();
 416         if (fileListFragment != null) {
 417             fileListFragment.listDirectory();
 418         }
 419     }
 420
 421     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 422         FileFragment secondFragment = getSecondFragment();
 423         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 424         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 425             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 426             OCFile fileInFragment = detailsFragment.getFile();
 427             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 428                 // the user browsed to other file ; forget the automatic preview
 429                 mWaitingToPreview = null;
 430
 431             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 432                 // grant that the right panel updates the progress bar
 433                 detailsFragment.listenForTransferProgress();
 434                 detailsFragment.updateFileDetails(true, false);
 435
 436             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 437                 //  update the right panel
 438                 boolean detailsFragmentChanged = false;
 439                 if (waitedPreview) {
 440                     if (success) {
 441                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 442                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 443                             startMediaPreview(mWaitingToPreview, 0, true);
 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 = CreateFolderDialogFragment.newInstance(getCurrentDir());
 481             dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 482             break;
 483         }
 484         case R.id.action_sync_account: {
 485             startSynchronization();
 486             break;
 487         }
 488         case R.id.action_upload: {
 489             UploadSourceDialogFragment dialog = UploadSourceDialogFragment.newInstance(getAccount());
 490             dialog.show(getSupportFragmentManager(), DIALOG_UPLOAD_SOURCE);
 491
 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", FileStorageUtils.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.d(TAG, "Got to start sync");
 556         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 557             Log_OC.d(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.d(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 563             ContentResolver.requestSync(
 564                     getAccount(),
 565                     MainApp.getAuthority(), bundle);
 566         } else {
 567             Log_OC.d(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      */
 610     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 611     @Override
 612     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 613
 614         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 615             //getClipData is only supported on api level 16+, Jelly Bean
 616             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 617                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 618                     Intent intent = new Intent();
 619                     intent.setData(data.getClipData().getItemAt(i).getUri());
 620                     requestSimpleUpload(intent, resultCode);
 621                 }
 622             }else {
 623                 requestSimpleUpload(data, resultCode);
 624             }
 625         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 626             requestMultipleUpload(data, resultCode);
 627
 628         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 629
 630             final Intent fData = data;
 631             final int fResultCode = resultCode;
 632             getHandler().postDelayed(
 633                 new Runnable() {
 634                     @Override
 635                     public void run() {
 636                         requestMoveOperation(fData, fResultCode);
 637                     }
 638                 },
 639                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 640             );
 641
 642         } else {
 643             super.onActivityResult(requestCode, resultCode, data);
 644         }
 645
 646     }
 647
 648     private void requestMultipleUpload(Intent data, int resultCode) {
 649         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 650         if (filePaths != null) {
 651             String[] remotePaths = new String[filePaths.length];
 652             String remotePathBase = "";
 653
 654             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 655                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 656             }
 657             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 658                 remotePathBase += OCFile.PATH_SEPARATOR;
 659             for (int j = 0; j< remotePaths.length; j++) {
 660                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 661             }
 662
 663             Intent i = new Intent(this, FileUploader.class);
 664             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 665             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 666             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 667             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 668             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 669                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 670             startService(i);
 671
 672         } else {
 673             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 674             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 675             t.show();
 676             return;
 677         }
 678     }
 679
 680
 681     private void requestSimpleUpload(Intent data, int resultCode) {
 682         String filePath = null;
 683         String mimeType = null;
 684
 685         Uri selectedImageUri = data.getData();
 686
 687         try {
 688             mimeType = getContentResolver().getType(selectedImageUri);
 689
 690             String fileManagerString = selectedImageUri.getPath();
 691             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 692
 693             if (selectedImagePath != null)
 694                 filePath = selectedImagePath;
 695             else
 696                 filePath = fileManagerString;
 697
 698         } catch (Exception e) {
 699             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 700
 701         } finally {
 702             if (filePath == null) {
 703                 Log_OC.e(TAG, "Couldn't resolve path to file");
 704                 Toast t = Toast.makeText(
 705                         this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG
 706                 );
 707                 t.show();
 708                 return;
 709             }
 710         }
 711
 712         Intent i = new Intent(this, FileUploader.class);
 713         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 714         OCFile currentDir = getCurrentDir();
 715         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 716
 717         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 718             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 719             try {
 720                 if (cursor != null && cursor.moveToFirst()) {
 721                     String displayName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
 722                     Log_OC.v(TAG, "Display Name: " + displayName );
 723
 724                     displayName.replace(File.separatorChar, '_');
 725                     displayName.replace(File.pathSeparatorChar, '_');
 726                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 727
 728                 }
 729                 // and what happens in case of error?; wrong target name for the upload
 730             } finally {
 731                 cursor.close();
 732             }
 733
 734         } else {
 735             remotePath += new File(filePath).getName();
 736         }
 737
 738         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 739         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 740         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 741         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 742         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 743         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 744         startService(i);
 745     }
 746
 747     /**
 748      * Request the operation for moving the file/folder from one path to another
 749      *
 750      * @param data              Intent received
 751      * @param resultCode        Result code received
 752      */
 753     private void requestMoveOperation(Intent data, int resultCode) {
 754         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 755         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 756         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 757     }
 758
 759     @Override
 760     public void onBackPressed() {
 761         OCFileListFragment listOfFiles = getListOfFilesFragment();
 762         if (mDualPane || getSecondFragment() == null) {
 763             if (listOfFiles != null) {  // should never be null, indeed
 764                 if (mDirectories.getCount() <= 1) {
 765                     finish();
 766                     return;
 767                 }
 768                 int levelsUp = listOfFiles.onBrowseUp();
 769                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 770                     popDirname();
 771                 }
 772             }
 773         }
 774         if (listOfFiles != null) {  // should never be null, indeed
 775             setFile(listOfFiles.getCurrentFile());
 776         }
 777         cleanSecondFragment();
 778
 779     }
 780
 781     @Override
 782     protected void onSaveInstanceState(Bundle outState) {
 783         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 784         Log_OC.d(TAG, "onSaveInstanceState() start");
 785         super.onSaveInstanceState(outState);
 786         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 787         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 788         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 789         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 790
 791         Log_OC.d(TAG, "onSaveInstanceState() end");
 792     }
 793
 794
 795
 796     @Override
 797     protected void onResume() {
 798         Log_OC.d(TAG, "onResume() start");
 799         super.onResume();
 800
 801         // refresh list of files
 802         refreshListOfFilesFragment();
 803
 804         // Listen for sync messages
 805         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 806         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 807         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 808         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 809         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 810         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 811         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 812         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 813
 814         // Listen for upload messages
 815         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 816         mUploadFinishReceiver = new UploadFinishReceiver();
 817         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 818
 819         // Listen for download messages
 820         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 821         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 822         mDownloadFinishReceiver = new DownloadFinishReceiver();
 823         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 824
 825         Log_OC.d(TAG, "onResume() end");
 826     }
 827
 828
 829     @Override
 830     protected void onPause() {
 831         Log_OC.d(TAG, "onPause() start");
 832         if (mSyncBroadcastReceiver != null) {
 833             unregisterReceiver(mSyncBroadcastReceiver);
 834             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 835             mSyncBroadcastReceiver = null;
 836         }
 837         if (mUploadFinishReceiver != null) {
 838             unregisterReceiver(mUploadFinishReceiver);
 839             mUploadFinishReceiver = null;
 840         }
 841         if (mDownloadFinishReceiver != null) {
 842             unregisterReceiver(mDownloadFinishReceiver);
 843             mDownloadFinishReceiver = null;
 844         }
 845
 846
 847         super.onPause();
 848         Log_OC.d(TAG, "onPause() end");
 849     }
 850
 851     /**
 852      * Pushes a directory to the drop down list
 853      * @param directory to push
 854      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 855      */
 856     public void pushDirname(OCFile directory) {
 857         if(!directory.isFolder()){
 858             throw new IllegalArgumentException("Only directories may be pushed!");
 859         }
 860         mDirectories.insert(directory.getFileName(), 0);
 861         setFile(directory);
 862     }
 863
 864     /**
 865      * Pops a directory name from the drop down list
 866      * @return True, unless the stack is empty
 867      */
 868     public boolean popDirname() {
 869         mDirectories.remove(mDirectories.getItem(0));
 870         return !mDirectories.isEmpty();
 871     }
 872
 873     // Custom array adapter to override text colors
 874     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 875
 876         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 877             super(ctx, view);
 878         }
 879
 880         public View getView(int position, View convertView, ViewGroup parent) {
 881             View v = super.getView(position, convertView, parent);
 882
 883             ((TextView) v).setTextColor(getResources().getColorStateList(
 884                     android.R.color.white));
 885
 886             fixRoot((TextView) v );
 887             return v;
 888         }
 889
 890         public View getDropDownView(int position, View convertView,
 891                 ViewGroup parent) {
 892             View v = super.getDropDownView(position, convertView, parent);
 893
 894             ((TextView) v).setTextColor(getResources().getColorStateList(
 895                     android.R.color.white));
 896
 897             fixRoot((TextView) v );
 898             return v;
 899         }
 900
 901         private void fixRoot(TextView v) {
 902             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 903                 v.setText(R.string.default_display_name_for_root_folder);
 904             }
 905         }
 906
 907     }
 908
 909     private class SyncBroadcastReceiver extends BroadcastReceiver {
 910
 911         /**
 912          * {@link BroadcastReceiver} to enable syncing feedback in UI
 913          */
 914         @Override
 915         public void onReceive(Context context, Intent intent) {
 916             try {
 917                 String event = intent.getAction();
 918                 Log_OC.d(TAG, "Received broadcast " + event);
 919                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 920                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 921                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 922                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 923
 924                 if (sameAccount) {
 925
 926                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 927                         mSyncInProgress = true;
 928
 929                     } else {
 930                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 931                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 932
 933                         if (currentDir == null) {
 934                             // current folder was removed from the server
 935                             Toast.makeText( FileDisplayActivity.this,
 936                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 937                                             Toast.LENGTH_LONG)
 938                                 .show();
 939                             browseToRoot();
 940
 941                         } else {
 942                             if (currentFile == null && !getFile().isFolder()) {
 943                                 // currently selected file was removed in the server, and now we know it
 944                                 cleanSecondFragment();
 945                                 currentFile = currentDir;
 946                             }
 947
 948                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 949                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 950                                 if (fileListFragment != null) {
 951                                     fileListFragment.listDirectory(currentDir);
 952                                 }
 953                             }
 954                             setFile(currentFile);
 955                         }
 956
 957                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 958
 959                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 960                                     equals(event) &&
 961                                 /// TODO refactor and make common
 962                                 synchResult != null && !synchResult.isSuccess() &&
 963                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 964                                     synchResult.isIdPRedirection()                  ||
 965                                     (synchResult.isException() && synchResult.getException()
 966                                             instanceof AuthenticatorException))) {
 967
 968
 969                             try {
 970                                 OwnCloudClient client;
 971                                 OwnCloudAccount ocAccount =
 972                                         new OwnCloudAccount(getAccount(), context);
 973                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 974                                         removeClientFor(ocAccount));
 975
 976                                 if (client != null) {
 977                                     OwnCloudCredentials cred = client.getCredentials();
 978                                     if (cred != null) {
 979                                         AccountManager am = AccountManager.get(context);
 980                                         if (cred.authTokenExpires()) {
 981                                             am.invalidateAuthToken(
 982                                                     getAccount().type,
 983                                                     cred.getAuthToken()
 984                                             );
 985                                         } else {
 986                                             am.clearPassword(getAccount());
 987                                         }
 988                                     }
 989                                 }
 990                                 requestCredentialsUpdate();
 991
 992                             } catch (AccountNotFoundException e) {
 993                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
 994                             }
 995
 996                         }
 997                     }
 998                     removeStickyBroadcast(intent);
 999                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1000                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1001
1002                     setBackgroundText();
1003
1004                 }
1005
1006                 if (synchResult != null) {
1007                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1008                         mLastSslUntrustedServerResult = synchResult;
1009                     }
1010                 }
1011             } catch (RuntimeException e) {
1012                 // avoid app crashes after changing the serial id of RemoteOperationResult
1013                 // in owncloud library with broadcast notifications pending to process
1014                 removeStickyBroadcast(intent);
1015             }
1016         }
1017     }
1018
1019     /**
1020      * Show a text message on screen view for notifying user if content is
1021      * loading or folder is empty
1022      */
1023     private void setBackgroundText() {
1024         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1025         if (ocFileListFragment != null) {
1026             int message = R.string.file_list_loading;
1027             if (!mSyncInProgress) {
1028                 // In case file list is empty
1029                 message = R.string.file_list_empty;
1030             }
1031             ocFileListFragment.setMessageForEmptyList(getString(message));
1032         } else {
1033             Log_OC.e(TAG, "OCFileListFragment is null");
1034         }
1035     }
1036
1037     /**
1038      * Once the file upload has finished -> update view
1039      */
1040     private class UploadFinishReceiver extends BroadcastReceiver {
1041         /**
1042          * Once the file upload has finished -> update view
1043          *  @author David A. Velasco
1044          * {@link BroadcastReceiver} to enable upload feedback in UI
1045          */
1046         @Override
1047         public void onReceive(Context context, Intent intent) {
1048             try {
1049                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1050                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1051                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1052                 OCFile currentDir = getCurrentDir();
1053                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1054                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1055
1056                 if (sameAccount && isDescendant) {
1057                     refreshListOfFilesFragment();
1058                 }
1059
1060                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1061                 boolean renamedInUpload = getFile().getRemotePath().
1062                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1063                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1064                         renamedInUpload;
1065                 FileFragment details = getSecondFragment();
1066                 boolean detailFragmentIsShown = (details != null &&
1067                         details instanceof FileDetailFragment);
1068
1069                 if (sameAccount && sameFile && detailFragmentIsShown) {
1070                     if (uploadWasFine) {
1071                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1072                     }
1073                     if (renamedInUpload) {
1074                         String newName = (new File(uploadedRemotePath)).getName();
1075                         Toast msg = Toast.makeText(
1076                                 context,
1077                                 String.format(
1078                                         getString(R.string.filedetails_renamed_in_upload_msg),
1079                                         newName),
1080                                 Toast.LENGTH_LONG);
1081                         msg.show();
1082                     }
1083                     if (uploadWasFine || getFile().fileExists()) {
1084                         ((FileDetailFragment)details).updateFileDetails(false, true);
1085                     } else {
1086                         cleanSecondFragment();
1087                     }
1088
1089                     // Force the preview if the file is an image
1090                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1091                         startImagePreview(getFile());
1092                     } // TODO what about other kind of previews?
1093                 }
1094
1095             } finally {
1096                 if (intent != null) {
1097                     removeStickyBroadcast(intent);
1098                 }
1099             }
1100
1101         }
1102
1103     }
1104
1105
1106     /**
1107      * Class waiting for broadcast events from the {@link FileDownloader} service.
1108      *
1109      * Updates the UI when a download is started or finished, provided that it is relevant for the
1110      * current folder.
1111      */
1112     private class DownloadFinishReceiver extends BroadcastReceiver {
1113
1114         //int refreshCounter = 0;
1115         @Override
1116         public void onReceive(Context context, Intent intent) {
1117             try {
1118                 boolean sameAccount = isSameAccount(context, intent);
1119                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1120                 boolean isDescendant = isDescendant(downloadedRemotePath);
1121
1122                 if (sameAccount && isDescendant) {
1123                     String linkedToRemotePath = intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1124                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1125                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1126                         refreshListOfFilesFragment();
1127                     }
1128                     refreshSecondFragment(
1129                             intent.getAction(),
1130                             downloadedRemotePath,
1131                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1132                     );
1133                 }
1134
1135                 if (mWaitingToSend != null) {
1136                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1137                     if (mWaitingToSend.isDown()) {
1138                         sendDownloadedFile();
1139                     }
1140                 }
1141
1142             } finally {
1143                 if (intent != null) {
1144                     removeStickyBroadcast(intent);
1145                 }
1146             }
1147         }
1148
1149         private boolean isDescendant(String downloadedRemotePath) {
1150             OCFile currentDir = getCurrentDir();
1151             return (
1152                 currentDir != null &&
1153                 downloadedRemotePath != null &&
1154                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1155             );
1156         }
1157
1158         private boolean isAscendant(String linkedToRemotePath) {
1159             OCFile currentDir = getCurrentDir();
1160             return (
1161                 currentDir != null &&
1162                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1163             );
1164         }
1165
1166         private boolean isSameAccount(Context context, Intent intent) {
1167             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1168             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1169         }
1170     }
1171
1172
1173     public void browseToRoot() {
1174         OCFileListFragment listOfFiles = getListOfFilesFragment();
1175         if (listOfFiles != null) {  // should never be null, indeed
1176             while (mDirectories.getCount() > 1) {
1177                 popDirname();
1178             }
1179             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1180             listOfFiles.listDirectory(root);
1181             setFile(listOfFiles.getCurrentFile());
1182             startSyncFolderOperation(root, false);
1183         }
1184         cleanSecondFragment();
1185     }
1186
1187
1188     public void browseTo(OCFile folder) {
1189         if (folder == null || !folder.isFolder()) {
1190             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1191         }
1192         OCFileListFragment listOfFiles = getListOfFilesFragment();
1193         if (listOfFiles != null) {
1194             setNavigationListWithFolder(folder);
1195             listOfFiles.listDirectory(folder);
1196             setFile(listOfFiles.getCurrentFile());
1197             startSyncFolderOperation(folder, false);
1198         } else {
1199             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1200         }
1201         cleanSecondFragment();
1202     }
1203
1204
1205     /**
1206      * {@inheritDoc}
1207      *
1208      * Updates action bar and second fragment, if in dual pane mode.
1209      */
1210     @Override
1211     public void onBrowsedDownTo(OCFile directory) {
1212         pushDirname(directory);
1213         cleanSecondFragment();
1214
1215         // Sync Folder
1216         startSyncFolderOperation(directory, false);
1217
1218     }
1219
1220     /**
1221      * Shows the information of the {@link OCFile} received as a
1222      * parameter in the second fragment.
1223      *
1224      * @param file          {@link OCFile} whose details will be shown
1225      */
1226     @Override
1227     public void showDetails(OCFile file) {
1228         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1229         setSecondFragment(detailFragment);
1230         updateFragmentsVisibility(true);
1231         updateNavigationElementsInActionBar(file);
1232         setFile(file);
1233     }
1234
1235
1236     /**
1237      * TODO
1238      */
1239     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1240         ActionBar actionBar = getSupportActionBar();
1241
1242         // For adding content description tag to a title field in the action bar
1243         int actionBarTitleId = getResources().getIdentifier("action_bar_title", "id", "android");
1244
1245         if (chosenFile == null || mDualPane) {
1246             // only list of files - set for browsing through folders
1247             OCFile currentDir = getCurrentDir();
1248             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1249             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1250             actionBar.setDisplayShowTitleEnabled(!noRoot);
1251             if (!noRoot) {
1252                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1253                 View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1254                 if (actionBarTitleView != null) {    // it's null in Android 2.x
1255                     actionBarTitleView.setContentDescription(getString(R.string.default_display_name_for_root_folder));
1256                 }
1257             }
1258             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1259             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1260
1261         } else {
1262             actionBar.setDisplayHomeAsUpEnabled(true);
1263             actionBar.setDisplayShowTitleEnabled(true);
1264             actionBar.setTitle(chosenFile.getFileName());
1265             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1266             View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1267             if (actionBarTitleView != null) {    // it's null in Android 2.x
1268                 getWindow().getDecorView().findViewById(actionBarTitleId).
1269                         setContentDescription(chosenFile.getFileName());
1270             }
1271         }
1272     }
1273
1274
1275     @Override
1276     protected ServiceConnection newTransferenceServiceConnection() {
1277         return new ListServiceConnection();
1278     }
1279
1280     /** Defines callbacks for service binding, passed to bindService() */
1281     private class ListServiceConnection implements ServiceConnection {
1282
1283         @Override
1284         public void onServiceConnected(ComponentName component, IBinder service) {
1285             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1286                 Log_OC.d(TAG, "Download service connected");
1287                 mDownloaderBinder = (FileDownloaderBinder) service;
1288                 if (mWaitingToPreview != null)
1289                     if (getStorageManager() != null) {
1290                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1291                         if (!mWaitingToPreview.isDown()) {
1292                             requestForDownload();
1293                         }
1294                 }
1295
1296             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1297                 Log_OC.d(TAG, "Upload service connected");
1298                 mUploaderBinder = (FileUploaderBinder) service;
1299             } else {
1300                 return;
1301             }
1302             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1303             OCFileListFragment listOfFiles = getListOfFilesFragment();
1304             if (listOfFiles != null) {
1305                 listOfFiles.listDirectory();
1306             }
1307             FileFragment secondFragment = getSecondFragment();
1308             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1309                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1310                 detailFragment.listenForTransferProgress();
1311                 detailFragment.updateFileDetails(false, false);
1312             }
1313         }
1314
1315         @Override
1316         public void onServiceDisconnected(ComponentName component) {
1317             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1318                 Log_OC.d(TAG, "Download service disconnected");
1319                 mDownloaderBinder = null;
1320             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1321                 Log_OC.d(TAG, "Upload service disconnected");
1322                 mUploaderBinder = null;
1323             }
1324         }
1325     };
1326
1327
1328
1329     /**
1330      * Launch an intent to request the PIN code to the user before letting him use the app
1331      */
1332     private void requestPinCode() {
1333         boolean pinStart = false;
1334         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1335         pinStart = appPrefs.getBoolean("set_pincode", false);
1336         if (pinStart) {
1337             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1338             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1339             startActivity(i);
1340         }
1341     }
1342
1343
1344     @Override
1345     public void onSavedCertificate() {
1346         startSyncFolderOperation(getCurrentDir(), false);
1347     }
1348
1349
1350     @Override
1351     public void onFailedSavingCertificate() {
1352         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1353                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1354         );
1355         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1356     }
1357
1358     @Override
1359     public void onCancelCertificate() {
1360         // nothing to do
1361     }
1362
1363     /**
1364      * Updates the view associated to the activity after the finish of some operation over files
1365      * in the current account.
1366      *
1367      * @param operation     Removal operation performed.
1368      * @param result        Result of the removal.
1369      */
1370     @Override
1371     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1372         super.onRemoteOperationFinish(operation, result);
1373
1374         if (operation instanceof RemoveFileOperation) {
1375             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1376
1377         } else if (operation instanceof RenameFileOperation) {
1378             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1379
1380         } else if (operation instanceof SynchronizeFileOperation) {
1381             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1382
1383         } else if (operation instanceof CreateFolderOperation) {
1384             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1385
1386         } else if (operation instanceof CreateShareOperation) {
1387             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1388
1389         } else if (operation instanceof UnshareLinkOperation) {
1390             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1391
1392         } else if (operation instanceof MoveFileOperation) {
1393             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1394         }
1395
1396     }
1397
1398
1399     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1400         if (result.isSuccess()) {
1401             refreshShowDetails();
1402             refreshListOfFilesFragment();
1403         }
1404     }
1405
1406
1407     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1408         if (result.isSuccess()) {
1409             refreshShowDetails();
1410             refreshListOfFilesFragment();
1411
1412         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1413             cleanSecondFragment();
1414             refreshListOfFilesFragment();
1415         }
1416     }
1417
1418     private void refreshShowDetails() {
1419         FileFragment details = getSecondFragment();
1420         if (details != null) {
1421             OCFile file = details.getFile();
1422             if (file != null) {
1423                 file = getStorageManager().getFileByPath(file.getRemotePath());
1424                 if (details instanceof PreviewMediaFragment) {
1425                     // Refresh  OCFile of the fragment
1426                     ((PreviewMediaFragment) details).updateFile(file);
1427                 } else {
1428                     showDetails(file);
1429                 }
1430             }
1431             invalidateOptionsMenu();
1432         }
1433     }
1434
1435     /**
1436      * Updates the view associated to the activity after the finish of an operation trying to remove a
1437      * file.
1438      *
1439      * @param operation     Removal operation performed.
1440      * @param result        Result of the removal.
1441      */
1442     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1443         dismissLoadingDialog();
1444
1445         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1446                 Toast.LENGTH_LONG);
1447         msg.show();
1448
1449         if (result.isSuccess()) {
1450             OCFile removedFile = operation.getFile();
1451             FileFragment second = getSecondFragment();
1452             if (second != null && removedFile.equals(second.getFile())) {
1453                 if (second instanceof PreviewMediaFragment) {
1454                     ((PreviewMediaFragment)second).stopPreview(true);
1455                 }
1456                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1457                 cleanSecondFragment();
1458             }
1459             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1460                 refreshListOfFilesFragment();
1461             }
1462             invalidateOptionsMenu();
1463         } else {
1464             if (result.isSslRecoverableException()) {
1465                 mLastSslUntrustedServerResult = result;
1466                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1467             }
1468         }
1469     }
1470
1471
1472     /**
1473      * Updates the view associated to the activity after the finish of an operation trying to move a
1474      * file.
1475      *
1476      * @param operation     Move operation performed.
1477      * @param result        Result of the move operation.
1478      */
1479     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1480         if (result.isSuccess()) {
1481             dismissLoadingDialog();
1482             refreshListOfFilesFragment();
1483         } else {
1484             dismissLoadingDialog();
1485             try {
1486                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1487                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1488                         Toast.LENGTH_LONG);
1489                 msg.show();
1490
1491             } catch (NotFoundException e) {
1492                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1493             }
1494         }
1495     }
1496
1497
1498     /**
1499      * Updates the view associated to the activity after the finish of an operation trying to rename a
1500      * file.
1501      *
1502      * @param operation     Renaming operation performed.
1503      * @param result        Result of the renaming.
1504      */
1505     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1506         dismissLoadingDialog();
1507         OCFile renamedFile = operation.getFile();
1508         if (result.isSuccess()) {
1509             FileFragment details = getSecondFragment();
1510             if (details != null) {
1511                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1512                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1513                     showDetails(renamedFile);
1514
1515                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1516                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1517                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1518                         int position = ((PreviewMediaFragment)details).getPosition();
1519                         startMediaPreview(renamedFile, position, true);
1520                     } else {
1521                         getFileOperationsHelper().openFile(renamedFile);
1522                     }
1523                 }
1524             }
1525
1526             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1527                 refreshListOfFilesFragment();
1528             }
1529
1530         } else {
1531             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1532                     Toast.LENGTH_LONG);
1533             msg.show();
1534
1535             if (result.isSslRecoverableException()) {
1536                 mLastSslUntrustedServerResult = result;
1537                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1538             }
1539         }
1540     }
1541
1542     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1543         dismissLoadingDialog();
1544         OCFile syncedFile = operation.getLocalFile();
1545         if (!result.isSuccess()) {
1546             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1547                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1548                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1549                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1550                 startActivity(i);
1551
1552             }
1553
1554         } else {
1555             if (operation.transferWasRequested()) {
1556                 onTransferStateChanged(syncedFile, true, true);
1557
1558             } else {
1559                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1560                         Toast.LENGTH_LONG);
1561                 msg.show();
1562             }
1563         }
1564     }
1565
1566     /**
1567      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1568      *
1569      * @param operation     Creation operation performed.
1570      * @param result        Result of the creation.
1571      */
1572     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1573         if (result.isSuccess()) {
1574             dismissLoadingDialog();
1575             refreshListOfFilesFragment();
1576         } else {
1577             dismissLoadingDialog();
1578             try {
1579                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1580                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1581                         Toast.LENGTH_LONG);
1582                 msg.show();
1583
1584             } catch (NotFoundException e) {
1585                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1586             }
1587         }
1588     }
1589
1590
1591     /**
1592      * {@inheritDoc}
1593      */
1594     @Override
1595     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1596         refreshListOfFilesFragment();
1597         FileFragment details = getSecondFragment();
1598         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1599             if (downloading || uploading) {
1600                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1601             } else {
1602                 if (!file.fileExists()) {
1603                     cleanSecondFragment();
1604                 } else {
1605                     ((FileDetailFragment)details).updateFileDetails(false, true);
1606                 }
1607             }
1608         }
1609
1610     }
1611
1612
1613     private void requestForDownload() {
1614         Account account = getAccount();
1615         //if (!mWaitingToPreview.isDownloading()) {
1616         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1617             Intent i = new Intent(this, FileDownloader.class);
1618             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1619             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1620             startService(i);
1621         }
1622     }
1623
1624
1625     private OCFile getCurrentDir() {
1626         OCFile file = getFile();
1627         if (file != null) {
1628             if (file.isFolder()) {
1629                 return file;
1630             } else if (getStorageManager() != null) {
1631                 String parentPath = file.getRemotePath().substring(0,
1632                         file.getRemotePath().lastIndexOf(file.getFileName()));
1633                 return getStorageManager().getFileByPath(parentPath);
1634             }
1635         }
1636         return null;
1637     }
1638
1639     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1640         long currentSyncTime = System.currentTimeMillis();
1641
1642         mSyncInProgress = true;
1643
1644         // perform folder synchronization
1645         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1646                                                                         currentSyncTime,
1647                                                                         false,
1648                                                                         getFileOperationsHelper().isSharedSupported(),
1649                                                                         ignoreETag,
1650                                                                         getStorageManager(),
1651                                                                         getAccount(),
1652                                                                         getApplicationContext()
1653                                                                       );
1654         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1655
1656         setSupportProgressBarIndeterminateVisibility(true);
1657
1658         setBackgroundText();
1659     }
1660
1661     /**
1662      * Show untrusted cert dialog
1663      */
1664     public void showUntrustedCertDialog(RemoteOperationResult result) {
1665         // Show a dialog with the certificate info
1666         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1667                 (CertificateCombinedException)result.getException());
1668         FragmentManager fm = getSupportFragmentManager();
1669         FragmentTransaction ft = fm.beginTransaction();
1670         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1671     }
1672
1673     private void requestForDownload(OCFile file) {
1674         Account account = getAccount();
1675         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1676             Intent i = new Intent(this, FileDownloader.class);
1677             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1678             i.putExtra(FileDownloader.EXTRA_FILE, file);
1679             startService(i);
1680         }
1681     }
1682
1683     private void sendDownloadedFile(){
1684         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1685         mWaitingToSend = null;
1686     }
1687
1688
1689     /**
1690      * Requests the download of the received {@link OCFile} , updates the UI
1691      * to monitor the download progress and prepares the activity to send the file
1692      * when the download finishes.
1693      *
1694      * @param file          {@link OCFile} to download and preview.
1695      */
1696     public void startDownloadForSending(OCFile file) {
1697         mWaitingToSend = file;
1698         requestForDownload(mWaitingToSend);
1699         boolean hasSecondFragment = (getSecondFragment()!= null);
1700         updateFragmentsVisibility(hasSecondFragment);
1701     }
1702
1703     /**
1704      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1705      *
1706      * @param file                      Image {@link OCFile} to show.
1707      */
1708     public void startImagePreview(OCFile file) {
1709         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1710         showDetailsIntent.putExtra(EXTRA_FILE, file);
1711         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1712         startActivity(showDetailsIntent);
1713
1714     }
1715
1716     /**
1717      * Stars the preview of an already down media {@link OCFile}.
1718      *
1719      * @param file                      Media {@link OCFile} to preview.
1720      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1721      * @param autoplay                  When 'true', the playback will start without user interactions.
1722      */
1723     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1724         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1725         setSecondFragment(mediaFragment);
1726         updateFragmentsVisibility(true);
1727         updateNavigationElementsInActionBar(file);
1728         setFile(file);
1729     }
1730
1731     /**
1732      * Requests the download of the received {@link OCFile} , updates the UI
1733      * to monitor the download progress and prepares the activity to preview
1734      * or open the file when the download finishes.
1735      *
1736      * @param file          {@link OCFile} to download and preview.
1737      */
1738     public void startDownloadForPreview(OCFile file) {
1739         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1740         setSecondFragment(detailFragment);
1741         mWaitingToPreview = file;
1742         requestForDownload();
1743         updateFragmentsVisibility(true);
1744         updateNavigationElementsInActionBar(file);
1745         setFile(file);
1746     }
1747
1748
1749     public void cancelTransference(OCFile file) {
1750         getFileOperationsHelper().cancelTransference(file);
1751         if (mWaitingToPreview != null &&
1752                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1753             mWaitingToPreview = null;
1754         }
1755         if (mWaitingToSend != null &&
1756                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1757             mWaitingToSend = null;
1758         }
1759         onTransferStateChanged(file, false, false);
1760     }
1761
1762     @Override
1763     public void onRefresh(boolean ignoreETag) {
1764         refreshList(ignoreETag);
1765     }
1766
1767     @Override
1768     public void onRefresh() {
1769         refreshList(true);
1770     }
1771
1772     private void refreshList(boolean ignoreETag) {
1773         OCFileListFragment listOfFiles = getListOfFilesFragment();
1774         if (listOfFiles != null) {
1775             OCFile folder = listOfFiles.getCurrentFile();
1776             if (folder != null) {
1777                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1778                 listDirectory(mFile);*/
1779                 startSyncFolderOperation(folder, ignoreETag);
1780             }
1781         }
1782     }
1783
1784     private void sortByDate(boolean ascending){
1785         getListOfFilesFragment().sortByDate(ascending);
1786     }
1787
1788     private void sortBySize(boolean ascending){
1789         getListOfFilesFragment().sortBySize(ascending);
1790     }
1791
1792     private void sortByName(boolean ascending){
1793         getListOfFilesFragment().sortByName(ascending);
1794     }
1795
1796 }