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             SyncRequest request = builder.build();
 574             ContentResolver.requestSync(request);
 575         }
 576     }
 577
 578
 579     @Override
 580     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 581         if (itemPosition != 0) {
 582             String targetPath = "";
 583             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 584                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 585             }
 586             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 587             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 588             if (targetFolder != null) {
 589                 browseTo(targetFolder);
 590             }
 591
 592             // the next operation triggers a new call to this method, but it's necessary to
 593             // ensure that the name exposed in the action bar is the current directory when the
 594             // user selected it in the navigation list
 595             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 596                 getSupportActionBar().setSelectedNavigationItem(0);
 597         }
 598         return true;
 599     }
 600
 601     /**
 602      * Called, when the user selected something for uploading
 603      */
 604     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 605         super.onActivityResult(requestCode, resultCode, data);
 606
 607         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 608             requestSimpleUpload(data, resultCode);
 609
 610         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 611             requestMultipleUpload(data, resultCode);
 612
 613         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 614                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)){
 615
 616             final Intent fData = data;
 617             final int fResultCode = resultCode;
 618             getHandler().postDelayed(
 619                 new Runnable() {
 620                     @Override
 621                     public void run() {
 622                         requestMoveOperation(fData, fResultCode);
 623                     }
 624                 },
 625                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 626             );
 627         }
 628     }
 629
 630     private void requestMultipleUpload(Intent data, int resultCode) {
 631         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 632         if (filePaths != null) {
 633             String[] remotePaths = new String[filePaths.length];
 634             String remotePathBase = "";
 635             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 636                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 637             }
 638             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 639                 remotePathBase += OCFile.PATH_SEPARATOR;
 640             for (int j = 0; j< remotePaths.length; j++) {
 641                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 642             }
 643
 644             Intent i = new Intent(this, FileUploader.class);
 645             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 646             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 647             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 648             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 649             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 650                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 651             startService(i);
 652
 653         } else {
 654             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 655             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 656             t.show();
 657             return;
 658         }
 659     }
 660
 661
 662     private void requestSimpleUpload(Intent data, int resultCode) {
 663         String filepath = null;
 664         String mimeType = null;
 665
 666         Uri selectedImageUri = data.getData();
 667
 668         try {
 669             mimeType = getContentResolver().getType(selectedImageUri);
 670
 671             String filemanagerstring = selectedImageUri.getPath();
 672             String selectedImagePath = getPath(selectedImageUri);
 673
 674             if (selectedImagePath != null)
 675                 filepath = selectedImagePath;
 676             else
 677                 filepath = filemanagerstring;
 678
 679         } catch (Exception e) {
 680             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 681             e.printStackTrace();
 682
 683         } finally {
 684             if (filepath == null) {
 685                 Log_OC.e(TAG, "Couldnt resolve path to file");
 686                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 687                 t.show();
 688                 return;
 689             }
 690         }
 691
 692         Intent i = new Intent(this, FileUploader.class);
 693         i.putExtra(FileUploader.KEY_ACCOUNT,
 694                 getAccount());
 695         String remotepath = new String();
 696         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 697             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 698         }
 699         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 700             remotepath += OCFile.PATH_SEPARATOR;
 701
 702         if (filepath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 703
 704             Cursor cursor = MainApp.getAppContext().getContentResolver()
 705                     .query(Uri.parse(filepath), null, null, null, null, null);
 706
 707             try {
 708                 if (cursor != null && cursor.moveToFirst()) {
 709                     String displayName = cursor.getString(
 710                             cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
 711                     Log.i(TAG, "Display Name: " + displayName + "; mimeType: " + mimeType);
 712
 713                     displayName.replace(File.separatorChar, '_');
 714                     displayName.replace(File.pathSeparatorChar, '_');
 715                     remotepath += displayName + DisplayUtils.getComposedFileExtension(filepath);
 716
 717                 }
 718             } finally {
 719                 cursor.close();
 720             }
 721
 722         } else {
 723             remotepath += new File(filepath).getName();
 724         }
 725
 726         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 727         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 728         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 729         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 730         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 731             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 732         startService(i);
 733     }
 734
 735     /**
 736      * Request the operation for moving the file/folder from one path to another
 737      *
 738      * @param data              Intent received
 739      * @param resultCode        Result code received
 740      */
 741     private void requestMoveOperation(Intent data, int resultCode) {
 742         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 743         OCFile targetFile = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_TARGET_FILE);
 744         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 745     }
 746
 747     @Override
 748     public void onBackPressed() {
 749         OCFileListFragment listOfFiles = getListOfFilesFragment();
 750         if (mDualPane || getSecondFragment() == null) {
 751             if (listOfFiles != null) {  // should never be null, indeed
 752                 if (mDirectories.getCount() <= 1) {
 753                     finish();
 754                     return;
 755                 }
 756                 int levelsUp = listOfFiles.onBrowseUp();
 757                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 758                     popDirname();
 759                 }
 760             }
 761         }
 762         if (listOfFiles != null) {  // should never be null, indeed
 763             setFile(listOfFiles.getCurrentFile());
 764         }
 765         cleanSecondFragment();
 766
 767     }
 768
 769     @Override
 770     protected void onSaveInstanceState(Bundle outState) {
 771         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 772         Log_OC.e(TAG, "onSaveInstanceState() start");
 773         super.onSaveInstanceState(outState);
 774         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 775         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 776         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 777         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 778
 779         Log_OC.d(TAG, "onSaveInstanceState() end");
 780     }
 781
 782
 783
 784     @Override
 785     protected void onResume() {
 786         super.onResume();
 787         Log_OC.e(TAG, "onResume() start");
 788
 789         // refresh list of files
 790         refreshListOfFilesFragment();
 791
 792         // Listen for sync messages
 793         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 794         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 795         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 796         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 797         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 798         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 799         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 800         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 801
 802         // Listen for upload messages
 803         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 804         mUploadFinishReceiver = new UploadFinishReceiver();
 805         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 806
 807         // Listen for download messages
 808         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 809         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 810         mDownloadFinishReceiver = new DownloadFinishReceiver();
 811         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 812
 813         Log_OC.d(TAG, "onResume() end");
 814     }
 815
 816
 817     @Override
 818     protected void onPause() {
 819         Log_OC.e(TAG, "onPause() start");
 820         if (mSyncBroadcastReceiver != null) {
 821             unregisterReceiver(mSyncBroadcastReceiver);
 822             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 823             mSyncBroadcastReceiver = null;
 824         }
 825         if (mUploadFinishReceiver != null) {
 826             unregisterReceiver(mUploadFinishReceiver);
 827             mUploadFinishReceiver = null;
 828         }
 829         if (mDownloadFinishReceiver != null) {
 830             unregisterReceiver(mDownloadFinishReceiver);
 831             mDownloadFinishReceiver = null;
 832         }
 833
 834
 835         Log_OC.d(TAG, "onPause() end");
 836         super.onPause();
 837     }
 838
 839
 840     @Override
 841     protected Dialog onCreateDialog(int id) {
 842         Dialog dialog = null;
 843         AlertDialog.Builder builder;
 844         switch (id) {
 845         case DIALOG_SHORT_WAIT: {
 846             ProgressDialog working_dialog = new ProgressDialog(this);
 847             working_dialog.setMessage(getResources().getString(
 848                     R.string.wait_a_moment));
 849             working_dialog.setIndeterminate(true);
 850             working_dialog.setCancelable(false);
 851             dialog = working_dialog;
 852             break;
 853         }
 854         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 855
 856
 857             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 858                     getString(R.string.actionbar_upload_from_apps) };
 859
 860             builder = new AlertDialog.Builder(this);
 861             builder.setTitle(R.string.actionbar_upload);
 862             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 863                 public void onClick(DialogInterface dialog, int item) {
 864                     if (item == 0) {
 865                         // if (!mDualPane) {
 866                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 867                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 868                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 869                             // } else {
 870                             // TODO create and handle new fragment
 871                             // LocalFileListFragment
 872                             // }
 873                     } else if (item == 1) {
 874                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 875                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 876                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 877                                 ACTION_SELECT_CONTENT_FROM_APPS);
 878                     }
 879                 }
 880             });
 881             dialog = builder.create();
 882             break;
 883         }
 884         case DIALOG_CERT_NOT_SAVED: {
 885             builder = new AlertDialog.Builder(this);
 886             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 887             builder.setCancelable(false);
 888             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 889                 @Override
 890                 public void onClick(DialogInterface dialog, int which) {
 891                     dialog.dismiss();
 892                 };
 893             });
 894             dialog = builder.create();
 895             break;
 896         }
 897         default:
 898             dialog = null;
 899         }
 900
 901         return dialog;
 902     }
 903
 904     /**
 905      * Translates a content URI of an content to a physical path on the disk
 906      *
 907      * @param uri The URI to resolve
 908      * @return The path to the content or null if it could not be found
 909      */
 910     public String getPath(Uri uri) {
 911         final boolean isKitKatOrLater = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
 912
 913         // DocumentProvider
 914         if (isKitKatOrLater && DocumentsContract.isDocumentUri(getApplicationContext(), uri)) {
 915             // ExternalStorageProvider
 916             if (UriUtils.isExternalStorageDocument(uri)) {
 917                 final String docId = DocumentsContract.getDocumentId(uri);
 918                 final String[] split = docId.split(":");
 919                 final String type = split[0];
 920
 921                 if ("primary".equalsIgnoreCase(type)) {
 922                     return Environment.getExternalStorageDirectory() + "/" + split[1];
 923                 }
 924             }
 925             // DownloadsProvider
 926             else if (UriUtils.isDownloadsDocument(uri)) {
 927
 928                 final String id = DocumentsContract.getDocumentId(uri);
 929                 final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
 930                         Long.valueOf(id));
 931
 932                 return UriUtils.getDataColumn(getApplicationContext(), contentUri, null, null);
 933             }
 934             // MediaProvider
 935             else if (UriUtils.isMediaDocument(uri)) {
 936                 final String docId = DocumentsContract.getDocumentId(uri);
 937                 final String[] split = docId.split(":");
 938                 final String type = split[0];
 939
 940                 Uri contentUri = null;
 941                 if ("image".equals(type)) {
 942                     contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
 943                 } else if ("video".equals(type)) {
 944                     contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
 945                 } else if ("audio".equals(type)) {
 946                     contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
 947                 }
 948
 949                 final String selection = "_id=?";
 950                 final String[] selectionArgs = new String[] { split[1] };
 951
 952                 return UriUtils.getDataColumn(getApplicationContext(), contentUri, selection, selectionArgs);
 953             }
 954             // Documents providers returned as content://...
 955             else if (UriUtils.isContentDocument(uri)) {
 956                 return uri.toString();
 957             }
 958         }
 959         // MediaStore (and general)
 960         else if ("content".equalsIgnoreCase(uri.getScheme())) {
 961
 962             // Return the remote address
 963             if (UriUtils.isGooglePhotosUri(uri))
 964                 return uri.getLastPathSegment();
 965
 966             return UriUtils.getDataColumn(getApplicationContext(), uri, null, null);
 967         }
 968         // File
 969         else if ("file".equalsIgnoreCase(uri.getScheme())) {
 970             return uri.getPath();
 971         }
 972         return null;
 973     }
 974
 975     /**
 976      * Pushes a directory to the drop down list
 977      * @param directory to push
 978      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 979      */
 980     public void pushDirname(OCFile directory) {
 981         if(!directory.isFolder()){
 982             throw new IllegalArgumentException("Only directories may be pushed!");
 983         }
 984         mDirectories.insert(directory.getFileName(), 0);
 985         setFile(directory);
 986     }
 987
 988     /**
 989      * Pops a directory name from the drop down list
 990      * @return True, unless the stack is empty
 991      */
 992     public boolean popDirname() {
 993         mDirectories.remove(mDirectories.getItem(0));
 994         return !mDirectories.isEmpty();
 995     }
 996
 997     // Custom array adapter to override text colors
 998     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 999
1000         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
1001             super(ctx, view);
1002         }
1003
1004         public View getView(int position, View convertView, ViewGroup parent) {
1005             View v = super.getView(position, convertView, parent);
1006
1007             ((TextView) v).setTextColor(getResources().getColorStateList(
1008                     android.R.color.white));
1009
1010             fixRoot((TextView) v );
1011             return v;
1012         }
1013
1014         public View getDropDownView(int position, View convertView,
1015                 ViewGroup parent) {
1016             View v = super.getDropDownView(position, convertView, parent);
1017
1018             ((TextView) v).setTextColor(getResources().getColorStateList(
1019                     android.R.color.white));
1020
1021             fixRoot((TextView) v );
1022             return v;
1023         }
1024
1025         private void fixRoot(TextView v) {
1026             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
1027                 v.setText(R.string.default_display_name_for_root_folder);
1028             }
1029         }
1030
1031     }
1032
1033     private class SyncBroadcastReceiver extends BroadcastReceiver {
1034
1035         /**
1036          * {@link BroadcastReceiver} to enable syncing feedback in UI
1037          */
1038         @Override
1039         public void onReceive(Context context, Intent intent) {
1040             try {
1041                 String event = intent.getAction();
1042                 Log_OC.d(TAG, "Received broadcast " + event);
1043                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
1044                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
1045                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
1046                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
1047
1048                 if (sameAccount) {
1049
1050                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
1051                         mSyncInProgress = true;
1052
1053                     } else {
1054                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
1055                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1056
1057                         if (currentDir == null) {
1058                             // current folder was removed from the server
1059                             Toast.makeText( FileDisplayActivity.this,
1060                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
1061                                             Toast.LENGTH_LONG)
1062                                 .show();
1063                             browseToRoot();
1064
1065                         } else {
1066                             if (currentFile == null && !getFile().isFolder()) {
1067                                 // currently selected file was removed in the server, and now we know it
1068                                 cleanSecondFragment();
1069                                 currentFile = currentDir;
1070                             }
1071
1072                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1073                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1074                                 if (fileListFragment != null) {
1075                                     fileListFragment.listDirectory(currentDir);
1076                                 }
1077                             }
1078                             setFile(currentFile);
1079                         }
1080
1081                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1082
1083                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1084                                     equals(event) &&
1085                                 /// TODO refactor and make common
1086                                 synchResult != null && !synchResult.isSuccess() &&
1087                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1088                                     synchResult.isIdPRedirection()                  ||
1089                                     (synchResult.isException() && synchResult.getException()
1090                                             instanceof AuthenticatorException))) {
1091
1092                             OwnCloudClient client = null;
1093                             try {
1094                                 OwnCloudAccount ocAccount =
1095                                         new OwnCloudAccount(getAccount(), context);
1096                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1097                                         removeClientFor(ocAccount));
1098                                 // TODO get rid of these exceptions
1099                             } catch (AccountNotFoundException e) {
1100                                 e.printStackTrace();
1101                             } catch (AuthenticatorException e) {
1102                                 e.printStackTrace();
1103                             } catch (OperationCanceledException e) {
1104                                 e.printStackTrace();
1105                             } catch (IOException e) {
1106                                 e.printStackTrace();
1107                             }
1108
1109                             if (client != null) {
1110                                 OwnCloudCredentials cred = client.getCredentials();
1111                                 if (cred != null) {
1112                                     AccountManager am = AccountManager.get(context);
1113                                     if (cred.authTokenExpires()) {
1114                                         am.invalidateAuthToken(
1115                                                 getAccount().type,
1116                                                 cred.getAuthToken()
1117                                         );
1118                                     } else {
1119                                         am.clearPassword(getAccount());
1120                                     }
1121                                 }
1122                             }
1123
1124                             requestCredentialsUpdate();
1125
1126                         }
1127                     }
1128                     removeStickyBroadcast(intent);
1129                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1130                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1131
1132                     setBackgroundText();
1133
1134                 }
1135
1136                 if (synchResult != null) {
1137                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1138                         mLastSslUntrustedServerResult = synchResult;
1139                     }
1140                 }
1141             } catch (RuntimeException e) {
1142                 // avoid app crashes after changing the serial id of RemoteOperationResult
1143                 // in owncloud library with broadcast notifications pending to process
1144                 removeStickyBroadcast(intent);
1145             }
1146         }
1147     }
1148
1149     /**
1150      * Show a text message on screen view for notifying user if content is
1151      * loading or folder is empty
1152      */
1153     private void setBackgroundText() {
1154         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1155         if (ocFileListFragment != null) {
1156             int message = R.string.file_list_loading;
1157             if (!mSyncInProgress) {
1158                 // In case file list is empty
1159                 message = R.string.file_list_empty;
1160             }
1161             ocFileListFragment.setMessageForEmptyList(getString(message));
1162         } else {
1163             Log_OC.e(TAG, "OCFileListFragment is null");
1164         }
1165     }
1166
1167     /**
1168      * Once the file upload has finished -> update view
1169      */
1170     private class UploadFinishReceiver extends BroadcastReceiver {
1171         /**
1172          * Once the file upload has finished -> update view
1173          *  @author David A. Velasco
1174          * {@link BroadcastReceiver} to enable upload feedback in UI
1175          */
1176         @Override
1177         public void onReceive(Context context, Intent intent) {
1178             try {
1179                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1180                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1181                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1182                 OCFile currentDir = getCurrentDir();
1183                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1184                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1185
1186                 if (sameAccount && isDescendant) {
1187                     refreshListOfFilesFragment();
1188                 }
1189
1190                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1191                 boolean renamedInUpload = getFile().getRemotePath().
1192                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1193                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1194                         renamedInUpload;
1195                 FileFragment details = getSecondFragment();
1196                 boolean detailFragmentIsShown = (details != null &&
1197                         details instanceof FileDetailFragment);
1198
1199                 if (sameAccount && sameFile && detailFragmentIsShown) {
1200                     if (uploadWasFine) {
1201                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1202                     }
1203                     if (renamedInUpload) {
1204                         String newName = (new File(uploadedRemotePath)).getName();
1205                         Toast msg = Toast.makeText(
1206                                 context,
1207                                 String.format(
1208                                         getString(R.string.filedetails_renamed_in_upload_msg),
1209                                         newName),
1210                                 Toast.LENGTH_LONG);
1211                         msg.show();
1212                     }
1213                     if (uploadWasFine || getFile().fileExists()) {
1214                         ((FileDetailFragment)details).updateFileDetails(false, true);
1215                     } else {
1216                         cleanSecondFragment();
1217                     }
1218
1219                     // Force the preview if the file is an image
1220                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1221                         startImagePreview(getFile());
1222                     } // TODO what about other kind of previews?
1223                 }
1224
1225             } finally {
1226                 if (intent != null) {
1227                     removeStickyBroadcast(intent);
1228                 }
1229             }
1230
1231         }
1232
1233     }
1234
1235
1236     /**
1237      * Class waiting for broadcast events from the {@link FielDownloader} service.
1238      *
1239      * Updates the UI when a download is started or finished, provided that it is relevant for the
1240      * current folder.
1241      */
1242     private class DownloadFinishReceiver extends BroadcastReceiver {
1243         @Override
1244         public void onReceive(Context context, Intent intent) {
1245             try {
1246                 boolean sameAccount = isSameAccount(context, intent);
1247                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1248                 boolean isDescendant = isDescendant(downloadedRemotePath);
1249
1250                 if (sameAccount && isDescendant) {
1251                     refreshListOfFilesFragment();
1252                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1253                 }
1254
1255                 if (mWaitingToSend != null) {
1256                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1257                     if (mWaitingToSend.isDown()) {
1258                         sendDownloadedFile();
1259                     }
1260                 }
1261
1262             } finally {
1263                 if (intent != null) {
1264                     removeStickyBroadcast(intent);
1265                 }
1266             }
1267         }
1268
1269         private boolean isDescendant(String downloadedRemotePath) {
1270             OCFile currentDir = getCurrentDir();
1271             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1272         }
1273
1274         private boolean isSameAccount(Context context, Intent intent) {
1275             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1276             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1277         }
1278     }
1279
1280
1281     public void browseToRoot() {
1282         OCFileListFragment listOfFiles = getListOfFilesFragment();
1283         if (listOfFiles != null) {  // should never be null, indeed
1284             while (mDirectories.getCount() > 1) {
1285                 popDirname();
1286             }
1287             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1288             listOfFiles.listDirectory(root);
1289             setFile(listOfFiles.getCurrentFile());
1290             startSyncFolderOperation(root, false);
1291         }
1292         cleanSecondFragment();
1293     }
1294
1295
1296     public void browseTo(OCFile folder) {
1297         if (folder == null || !folder.isFolder()) {
1298             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1299         }
1300         OCFileListFragment listOfFiles = getListOfFilesFragment();
1301         if (listOfFiles != null) {
1302             setNavigationListWithFolder(folder);
1303             listOfFiles.listDirectory(folder);
1304             setFile(listOfFiles.getCurrentFile());
1305             startSyncFolderOperation(folder, false);
1306         } else {
1307             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1308         }
1309         cleanSecondFragment();
1310     }
1311
1312
1313     /**
1314      * {@inheritDoc}
1315      *
1316      * Updates action bar and second fragment, if in dual pane mode.
1317      */
1318     @Override
1319     public void onBrowsedDownTo(OCFile directory) {
1320         pushDirname(directory);
1321         cleanSecondFragment();
1322
1323         // Sync Folder
1324         startSyncFolderOperation(directory, false);
1325
1326     }
1327
1328     /**
1329      * Shows the information of the {@link OCFile} received as a
1330      * parameter in the second fragment.
1331      *
1332      * @param file          {@link OCFile} whose details will be shown
1333      */
1334     @Override
1335     public void showDetails(OCFile file) {
1336         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1337         setSecondFragment(detailFragment);
1338         updateFragmentsVisibility(true);
1339         updateNavigationElementsInActionBar(file);
1340         setFile(file);
1341     }
1342
1343
1344     /**
1345      * TODO
1346      */
1347     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1348         ActionBar actionBar = getSupportActionBar();
1349         if (chosenFile == null || mDualPane) {
1350             // only list of files - set for browsing through folders
1351             OCFile currentDir = getCurrentDir();
1352             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1353             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1354             actionBar.setDisplayShowTitleEnabled(!noRoot);
1355             if (!noRoot) {
1356                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1357             }
1358             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1359             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1360
1361         } else {
1362             actionBar.setDisplayHomeAsUpEnabled(true);
1363             actionBar.setDisplayShowTitleEnabled(true);
1364             actionBar.setTitle(chosenFile.getFileName());
1365             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1366         }
1367     }
1368
1369
1370     @Override
1371     protected ServiceConnection newTransferenceServiceConnection() {
1372         return new ListServiceConnection();
1373     }
1374
1375     /** Defines callbacks for service binding, passed to bindService() */
1376     private class ListServiceConnection implements ServiceConnection {
1377
1378         @Override
1379         public void onServiceConnected(ComponentName component, IBinder service) {
1380             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1381                 Log_OC.d(TAG, "Download service connected");
1382                 mDownloaderBinder = (FileDownloaderBinder) service;
1383                 if (mWaitingToPreview != null)
1384                     if (getStorageManager() != null) {
1385                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1386                         if (!mWaitingToPreview.isDown()) {
1387                             requestForDownload();
1388                         }
1389                 }
1390
1391             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1392                 Log_OC.d(TAG, "Upload service connected");
1393                 mUploaderBinder = (FileUploaderBinder) service;
1394             } else {
1395                 return;
1396             }
1397             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1398             OCFileListFragment listOfFiles = getListOfFilesFragment();
1399             if (listOfFiles != null) {
1400                 listOfFiles.listDirectory();
1401             }
1402             FileFragment secondFragment = getSecondFragment();
1403             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1404                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1405                 detailFragment.listenForTransferProgress();
1406                 detailFragment.updateFileDetails(false, false);
1407             }
1408         }
1409
1410         @Override
1411         public void onServiceDisconnected(ComponentName component) {
1412             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1413                 Log_OC.d(TAG, "Download service disconnected");
1414                 mDownloaderBinder = null;
1415             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1416                 Log_OC.d(TAG, "Upload service disconnected");
1417                 mUploaderBinder = null;
1418             }
1419         }
1420     };
1421
1422
1423
1424     /**
1425      * Launch an intent to request the PIN code to the user before letting him use the app
1426      */
1427     private void requestPinCode() {
1428         boolean pinStart = false;
1429         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1430         pinStart = appPrefs.getBoolean("set_pincode", false);
1431         if (pinStart) {
1432             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1433             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1434             startActivity(i);
1435         }
1436     }
1437
1438
1439     @Override
1440     public void onSavedCertificate() {
1441         startSyncFolderOperation(getCurrentDir(), false);
1442     }
1443
1444
1445     @Override
1446     public void onFailedSavingCertificate() {
1447         showDialog(DIALOG_CERT_NOT_SAVED);
1448     }
1449
1450     @Override
1451     public void onCancelCertificate() {
1452         // nothing to do
1453     }
1454
1455     /**
1456      * Updates the view associated to the activity after the finish of some operation over files
1457      * in the current account.
1458      *
1459      * @param operation     Removal operation performed.
1460      * @param result        Result of the removal.
1461      */
1462     @Override
1463     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1464         super.onRemoteOperationFinish(operation, result);
1465
1466         if (operation instanceof RemoveFileOperation) {
1467             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1468
1469         } else if (operation instanceof RenameFileOperation) {
1470             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1471
1472         } else if (operation instanceof SynchronizeFileOperation) {
1473             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1474
1475         } else if (operation instanceof CreateFolderOperation) {
1476             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1477
1478         } else if (operation instanceof CreateShareOperation) {
1479             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1480
1481         } else if (operation instanceof UnshareLinkOperation) {
1482             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1483
1484         } else if (operation instanceof MoveFileOperation) {
1485             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1486         }
1487
1488     }
1489
1490
1491     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1492         if (result.isSuccess()) {
1493             refreshShowDetails();
1494             refreshListOfFilesFragment();
1495         }
1496     }
1497
1498
1499     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1500         if (result.isSuccess()) {
1501             refreshShowDetails();
1502             refreshListOfFilesFragment();
1503
1504         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1505             cleanSecondFragment();
1506             refreshListOfFilesFragment();
1507         }
1508     }
1509
1510     private void refreshShowDetails() {
1511         FileFragment details = getSecondFragment();
1512         if (details != null) {
1513             OCFile file = details.getFile();
1514             if (file != null) {
1515                 file = getStorageManager().getFileByPath(file.getRemotePath());
1516                 if (details instanceof PreviewMediaFragment) {
1517                     // Refresh  OCFile of the fragment
1518                     ((PreviewMediaFragment) details).updateFile(file);
1519                 } else {
1520                     showDetails(file);
1521                 }
1522             }
1523             invalidateOptionsMenu();
1524         }
1525     }
1526
1527     /**
1528      * Updates the view associated to the activity after the finish of an operation trying to remove a
1529      * file.
1530      *
1531      * @param operation     Removal operation performed.
1532      * @param result        Result of the removal.
1533      */
1534     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1535         dismissLoadingDialog();
1536
1537         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1538                 Toast.LENGTH_LONG);
1539         msg.show();
1540
1541         if (result.isSuccess()) {
1542             OCFile removedFile = operation.getFile();
1543             FileFragment second = getSecondFragment();
1544             if (second != null && removedFile.equals(second.getFile())) {
1545                 if (second instanceof PreviewMediaFragment) {
1546                     ((PreviewMediaFragment)second).stopPreview(true);
1547                 }
1548                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1549                 cleanSecondFragment();
1550             }
1551             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1552                 refreshListOfFilesFragment();
1553             }
1554             invalidateOptionsMenu();
1555         } else {
1556             if (result.isSslRecoverableException()) {
1557                 mLastSslUntrustedServerResult = result;
1558                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1559             }
1560         }
1561     }
1562
1563
1564     /**
1565      * Updates the view associated to the activity after the finish of an operation trying to move a
1566      * file.
1567      *
1568      * @param operation     Move operation performed.
1569      * @param result        Result of the move operation.
1570      */
1571     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1572         if (result.isSuccess()) {
1573             dismissLoadingDialog();
1574             refreshListOfFilesFragment();
1575         } else {
1576             dismissLoadingDialog();
1577             try {
1578                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1579                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1580                         Toast.LENGTH_LONG);
1581                 msg.show();
1582
1583             } catch (NotFoundException e) {
1584                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1585             }
1586         }
1587     }
1588
1589
1590     /**
1591      * Updates the view associated to the activity after the finish of an operation trying to rename a
1592      * file.
1593      *
1594      * @param operation     Renaming operation performed.
1595      * @param result        Result of the renaming.
1596      */
1597     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1598         dismissLoadingDialog();
1599         OCFile renamedFile = operation.getFile();
1600         if (result.isSuccess()) {
1601             FileFragment details = getSecondFragment();
1602             if (details != null) {
1603                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1604                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1605                     showDetails(renamedFile);
1606
1607                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1608                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1609                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1610                         int position = ((PreviewMediaFragment)details).getPosition();
1611                         startMediaPreview(renamedFile, position, true);
1612                     } else {
1613                         getFileOperationsHelper().openFile(renamedFile);
1614                     }
1615                 }
1616             }
1617
1618             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1619                 refreshListOfFilesFragment();
1620             }
1621
1622         } else {
1623             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1624                     Toast.LENGTH_LONG);
1625             msg.show();
1626
1627             if (result.isSslRecoverableException()) {
1628                 mLastSslUntrustedServerResult = result;
1629                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1630             }
1631         }
1632     }
1633
1634     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1635         dismissLoadingDialog();
1636         OCFile syncedFile = operation.getLocalFile();
1637         if (!result.isSuccess()) {
1638             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1639                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1640                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1641                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1642                 startActivity(i);
1643
1644             }
1645
1646         } else {
1647             if (operation.transferWasRequested()) {
1648                 onTransferStateChanged(syncedFile, true, true);
1649
1650             } else {
1651                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1652                         Toast.LENGTH_LONG);
1653                 msg.show();
1654             }
1655         }
1656     }
1657
1658     /**
1659      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1660      *
1661      * @param operation     Creation operation performed.
1662      * @param result        Result of the creation.
1663      */
1664     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1665         if (result.isSuccess()) {
1666             dismissLoadingDialog();
1667             refreshListOfFilesFragment();
1668         } else {
1669             dismissLoadingDialog();
1670             try {
1671                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1672                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1673                         Toast.LENGTH_LONG);
1674                 msg.show();
1675
1676             } catch (NotFoundException e) {
1677                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1678             }
1679         }
1680     }
1681
1682
1683     /**
1684      * {@inheritDoc}
1685      */
1686     @Override
1687     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1688         refreshListOfFilesFragment();
1689         FileFragment details = getSecondFragment();
1690         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1691             if (downloading || uploading) {
1692                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1693             } else {
1694                 if (!file.fileExists()) {
1695                     cleanSecondFragment();
1696                 } else {
1697                     ((FileDetailFragment)details).updateFileDetails(false, true);
1698                 }
1699             }
1700         }
1701
1702     }
1703
1704
1705     private void requestForDownload() {
1706         Account account = getAccount();
1707         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1708             Intent i = new Intent(this, FileDownloader.class);
1709             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1710             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1711             startService(i);
1712         }
1713     }
1714
1715
1716     private OCFile getCurrentDir() {
1717         OCFile file = getFile();
1718         if (file != null) {
1719             if (file.isFolder()) {
1720                 return file;
1721             } else if (getStorageManager() != null) {
1722                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1723                 return getStorageManager().getFileByPath(parentPath);
1724             }
1725         }
1726         return null;
1727     }
1728
1729     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1730         long currentSyncTime = System.currentTimeMillis();
1731
1732         mSyncInProgress = true;
1733
1734         // perform folder synchronization
1735         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1736                                                                         currentSyncTime,
1737                                                                         false,
1738                                                                         getFileOperationsHelper().isSharedSupported(),
1739                                                                         ignoreETag,
1740                                                                         getStorageManager(),
1741                                                                         getAccount(),
1742                                                                         getApplicationContext()
1743                                                                       );
1744         synchFolderOp.execute(getAccount(), this, null, null);
1745
1746         setSupportProgressBarIndeterminateVisibility(true);
1747
1748         setBackgroundText();
1749     }
1750
1751     /**
1752      * Show untrusted cert dialog
1753      */
1754     public void showUntrustedCertDialog(RemoteOperationResult result) {
1755         // Show a dialog with the certificate info
1756         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1757         FragmentManager fm = getSupportFragmentManager();
1758         FragmentTransaction ft = fm.beginTransaction();
1759         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1760     }
1761
1762     private void requestForDownload(OCFile file) {
1763         Account account = getAccount();
1764         if (!mDownloaderBinder.isDownloading(account, file)) {
1765             Intent i = new Intent(this, FileDownloader.class);
1766             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1767             i.putExtra(FileDownloader.EXTRA_FILE, file);
1768             startService(i);
1769         }
1770     }
1771
1772     private void sendDownloadedFile(){
1773         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1774         mWaitingToSend = null;
1775     }
1776
1777
1778     /**
1779      * Requests the download of the received {@link OCFile} , updates the UI
1780      * to monitor the download progress and prepares the activity to send the file
1781      * when the download finishes.
1782      *
1783      * @param file          {@link OCFile} to download and preview.
1784      */
1785     public void startDownloadForSending(OCFile file) {
1786         mWaitingToSend = file;
1787         requestForDownload(mWaitingToSend);
1788         boolean hasSecondFragment = (getSecondFragment()!= null);
1789         updateFragmentsVisibility(hasSecondFragment);
1790     }
1791
1792     /**
1793      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1794      *
1795      * @param file                      Image {@link OCFile} to show.
1796      */
1797     public void startImagePreview(OCFile file) {
1798         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1799         showDetailsIntent.putExtra(EXTRA_FILE, file);
1800         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1801         startActivity(showDetailsIntent);
1802
1803     }
1804
1805     /**
1806      * Stars the preview of an already down media {@link OCFile}.
1807      *
1808      * @param file                      Media {@link OCFile} to preview.
1809      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1810      * @param autoplay                  When 'true', the playback will start without user interactions.
1811      */
1812     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1813         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1814         setSecondFragment(mediaFragment);
1815         updateFragmentsVisibility(true);
1816         updateNavigationElementsInActionBar(file);
1817         setFile(file);
1818     }
1819
1820     /**
1821      * Requests the download of the received {@link OCFile} , updates the UI
1822      * to monitor the download progress and prepares the activity to preview
1823      * or open the file when the download finishes.
1824      *
1825      * @param file          {@link OCFile} to download and preview.
1826      */
1827     public void startDownloadForPreview(OCFile file) {
1828         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1829         setSecondFragment(detailFragment);
1830         mWaitingToPreview = file;
1831         requestForDownload();
1832         updateFragmentsVisibility(true);
1833         updateNavigationElementsInActionBar(file);
1834         setFile(file);
1835     }
1836
1837
1838     public void cancelTransference(OCFile file) {
1839         getFileOperationsHelper().cancelTransference(file);
1840         if (mWaitingToPreview != null &&
1841                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1842             mWaitingToPreview = null;
1843         }
1844         if (mWaitingToSend != null &&
1845                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1846             mWaitingToSend = null;
1847         }
1848         onTransferStateChanged(file, false, false);
1849     }
1850
1851     @Override
1852     public void onRefresh(boolean ignoreETag) {
1853         refreshList(ignoreETag);
1854     }
1855
1856     @Override
1857     public void onRefresh() {
1858         refreshList(true);
1859     }
1860
1861     private void refreshList(boolean ignoreETag) {
1862         OCFileListFragment listOfFiles = getListOfFilesFragment();
1863         if (listOfFiles != null) {
1864             OCFile folder = listOfFiles.getCurrentFile();
1865             if (folder != null) {
1866                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1867                 listDirectory(mFile);*/
1868                 startSyncFolderOperation(folder, ignoreETag);
1869             }
1870         }
1871     }
1872
1873     private void sortByDate(boolean ascending){
1874         getListOfFilesFragment().sortByDate(ascending);
1875     }
1876
1877     private void sortBySize(boolean ascending){
1878         getListOfFilesFragment().sortBySize(ascending);
1879     }
1880
1881     private void sortByName(boolean ascending){
1882         getListOfFilesFragment().sortByName(ascending);
1883     }
1884 }