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.support.v4.app.Fragment;
  53 import android.support.v4.app.FragmentManager;
  54 import android.support.v4.app.FragmentTransaction;
  55 import android.view.View;
  56 import android.view.ViewGroup;
  57 import android.widget.ArrayAdapter;
  58 import android.widget.TextView;
  59 import android.widget.Toast;
  60
  61 import com.actionbarsherlock.app.ActionBar;
  62 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  63 import com.actionbarsherlock.view.Menu;
  64 import com.actionbarsherlock.view.MenuInflater;
  65 import com.actionbarsherlock.view.MenuItem;
  66 import com.actionbarsherlock.view.Window;
  67 import com.owncloud.android.BuildConfig;
  68 import com.owncloud.android.MainApp;
  69 import com.owncloud.android.R;
  70 import com.owncloud.android.datamodel.OCFile;
  71 import com.owncloud.android.files.services.FileDownloader;
  72 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  73 import com.owncloud.android.files.services.FileUploader;
  74 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  75 import com.owncloud.android.lib.common.OwnCloudAccount;
  76 import com.owncloud.android.lib.common.OwnCloudClient;
  77 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  78 import com.owncloud.android.lib.common.OwnCloudCredentials;
  79 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  80 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  81 import com.owncloud.android.lib.common.operations.RemoteOperation;
  82 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  83 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  84 import com.owncloud.android.lib.common.utils.Log_OC;
  85 import com.owncloud.android.operations.CreateFolderOperation;
  86 import com.owncloud.android.operations.CreateShareOperation;
  87 import com.owncloud.android.operations.MoveFileOperation;
  88 import com.owncloud.android.operations.RemoveFileOperation;
  89 import com.owncloud.android.operations.RenameFileOperation;
  90 import com.owncloud.android.operations.SynchronizeFileOperation;
  91 import com.owncloud.android.operations.SynchronizeFolderOperation;
  92 import com.owncloud.android.operations.UnshareLinkOperation;
  93 import com.owncloud.android.services.observer.FileObserverService;
  94 import com.owncloud.android.syncadapter.FileSyncAdapter;
  95 import com.owncloud.android.ui.adapter.FileListListAdapter;
  96 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  97 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  98 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  99 import com.owncloud.android.ui.fragment.FileDetailFragment;
 100 import com.owncloud.android.ui.fragment.FileFragment;
 101 import com.owncloud.android.ui.fragment.OCFileListFragment;
 102 import com.owncloud.android.ui.preview.PreviewImageActivity;
 103 import com.owncloud.android.ui.preview.PreviewImageFragment;
 104 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 105 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 106 import com.owncloud.android.utils.DisplayUtils;
 107 import com.owncloud.android.utils.ErrorMessageAdapter;
 108
 109
 110 /**
 111  * Displays, what files the user has available in his ownCloud.
 112  *
 113  * @author Bartek Przybylski
 114  * @author David A. Velasco
 115  */
 116
 117 public class FileDisplayActivity extends HookActivity implements
 118 FileFragment.ContainerActivity, OnNavigationListener,
 119 OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 120
 121     private ArrayAdapter<String> mDirectories;
 122
 123     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 124     private UploadFinishReceiver mUploadFinishReceiver;
 125     private DownloadFinishReceiver mDownloadFinishReceiver;
 126     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 127
 128     private boolean mDualPane;
 129     private View mLeftFragmentContainer;
 130     private View mRightFragmentContainer;
 131
 132     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 133     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 134     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 135
 136     public static final int DIALOG_SHORT_WAIT = 0;
 137     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 138     private static final int DIALOG_CERT_NOT_SAVED = 2;
 139
 140     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 141
 142     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 143     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 144     public static final int ACTION_MOVE_FILES = 3;
 145
 146     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 147
 148     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 149     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 150
 151     private OCFile mWaitingToPreview;
 152
 153     private boolean mSyncInProgress = false;
 154
 155     private String DIALOG_UNTRUSTED_CERT;
 156
 157     private OCFile mWaitingToSend;
 158
 159     @Override
 160     protected void onCreate(Bundle savedInstanceState) {
 161         Log_OC.d(TAG, "onCreate() start");
 162         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 163
 164         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 165
 166         // PIN CODE request ;  best location is to decide, let's try this first
 167         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 168             requestPinCode();
 169         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 170             requestPinCode();
 171         }
 172
 173         /// grant that FileObserverService is watching favourite files
 174         if (savedInstanceState == null) {
 175             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 176             startService(initObserversIntent);
 177         }
 178
 179         /// Load of saved instance state
 180         if(savedInstanceState != null) {
 181             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 182             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 183             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 184
 185         } else {
 186             mWaitingToPreview = null;
 187             mSyncInProgress = false;
 188             mWaitingToSend = null;
 189         }
 190
 191         /// USER INTERFACE
 192
 193         // Inflate and set the layout view
 194         setContentView(R.layout.files);
 195         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 196         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 197         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 198         if (savedInstanceState == null) {
 199             createMinFragments();
 200         }
 201
 202         // Action bar setup
 203         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 204         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 205         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 206
 207         setBackgroundText();
 208
 209         Log_OC.d(TAG, "onCreate() end");
 210     }
 211
 212     @Override
 213     protected void onStart() {
 214         super.onStart();
 215         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 216     }
 217
 218     @Override
 219     protected void onDestroy() {
 220         super.onDestroy();
 221     }
 222
 223     /**
 224      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 225      */
 226     @Override
 227     protected void onAccountSet(boolean stateWasRecovered) {
 228         super.onAccountSet(stateWasRecovered);
 229         if (getAccount() != null) {
 230             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 231             OCFile file = getFile();
 232             // get parent from path
 233             String parentPath = "";
 234             if (file != null) {
 235                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 236                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 237                     // get parent from path
 238                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 239                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 240                         file = null; // not able to know the directory where the file is uploading
 241                 } else {
 242                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 243                 }
 244             }
 245             if (file == null) {
 246                 // fall back to root folder
 247                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 248             }
 249             setFile(file);
 250             setNavigationListWithFolder(file);
 251
 252             if (!stateWasRecovered) {
 253                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 254                 initFragmentsWithFile();
 255                 if (file.isFolder()) {
 256                     startSyncFolderOperation(file, false);
 257                 }
 258
 259             } else {
 260                 updateFragmentsVisibility(!file.isFolder());
 261                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 262             }
 263         }
 264     }
 265
 266
 267     private void setNavigationListWithFolder(OCFile file) {
 268         mDirectories.clear();
 269         OCFile fileIt = file;
 270         String parentPath;
 271         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 272             if (fileIt.isFolder()) {
 273                 mDirectories.add(fileIt.getFileName());
 274             }
 275             // get parent from path
 276             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 277             fileIt = getStorageManager().getFileByPath(parentPath);
 278         }
 279         mDirectories.add(OCFile.PATH_SEPARATOR);
 280     }
 281
 282
 283     private void createMinFragments() {
 284         OCFileListFragment listOfFiles = new OCFileListFragment();
 285         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 286         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 287         transaction.commit();
 288     }
 289
 290     private void initFragmentsWithFile() {
 291         if (getAccount() != null && getFile() != null) {
 292             /// First fragment
 293             OCFileListFragment listOfFiles = getListOfFilesFragment();
 294             if (listOfFiles != null) {
 295                 listOfFiles.listDirectory(getCurrentDir());
 296             } else {
 297                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 298             }
 299
 300             /// Second fragment
 301             OCFile file = getFile();
 302             Fragment secondFragment = chooseInitialSecondFragment(file);
 303             if (secondFragment != null) {
 304                 setSecondFragment(secondFragment);
 305                 updateFragmentsVisibility(true);
 306                 updateNavigationElementsInActionBar(file);
 307
 308             } else {
 309                 cleanSecondFragment();
 310             }
 311
 312         } else {
 313             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 314             if (getAccount() == null) {
 315                 Log_OC.wtf(TAG, "\t account is NULL");
 316             }
 317             if (getFile() == null) {
 318                 Log_OC.wtf(TAG, "\t file is NULL");
 319             }
 320         }
 321     }
 322
 323     private Fragment chooseInitialSecondFragment(OCFile file) {
 324         Fragment secondFragment = null;
 325         if (file != null && !file.isFolder()) {
 326             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 327                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 328                     ) {
 329                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 330                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 331                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 332
 333             } else {
 334                 secondFragment = new FileDetailFragment(file, getAccount());
 335             }
 336         }
 337         return secondFragment;
 338     }
 339
 340
 341     /**
 342      * Replaces the second fragment managed by the activity with the received as
 343      * a parameter.
 344      *
 345      * Assumes never will be more than two fragments managed at the same time.
 346      *
 347      * @param fragment      New second Fragment to set.
 348      */
 349     private void setSecondFragment(Fragment fragment) {
 350         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 351         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 352         transaction.commit();
 353     }
 354
 355
 356     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 357         if (mDualPane) {
 358             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 359                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 360             }
 361             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 362                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 363             }
 364
 365         } else if (existsSecondFragment) {
 366             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 367                 mLeftFragmentContainer.setVisibility(View.GONE);
 368             }
 369             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 370                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 371             }
 372
 373         } else {
 374             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 375                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 376             }
 377             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 378                 mRightFragmentContainer.setVisibility(View.GONE);
 379             }
 380         }
 381     }
 382
 383
 384     private OCFileListFragment getListOfFilesFragment() {
 385         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 386         if (listOfFiles != null) {
 387             return (OCFileListFragment)listOfFiles;
 388         }
 389         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 390         return null;
 391     }
 392
 393     public FileFragment getSecondFragment() {
 394         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 395         if (second != null) {
 396             return (FileFragment)second;
 397         }
 398         return null;
 399     }
 400
 401     protected void cleanSecondFragment() {
 402         Fragment second = getSecondFragment();
 403         if (second != null) {
 404             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 405             tr.remove(second);
 406             tr.commit();
 407         }
 408         updateFragmentsVisibility(false);
 409         updateNavigationElementsInActionBar(null);
 410     }
 411
 412     protected void refreshListOfFilesFragment() {
 413         OCFileListFragment fileListFragment = getListOfFilesFragment();
 414         if (fileListFragment != null) {
 415             fileListFragment.listDirectory();
 416         }
 417     }
 418
 419     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 420         FileFragment secondFragment = getSecondFragment();
 421         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 422         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 423             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 424             OCFile fileInFragment = detailsFragment.getFile();
 425             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 426                 // the user browsed to other file ; forget the automatic preview
 427                 mWaitingToPreview = null;
 428
 429             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 430                 // grant that the right panel updates the progress bar
 431                 detailsFragment.listenForTransferProgress();
 432                 detailsFragment.updateFileDetails(true, false);
 433
 434             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 435                 //  update the right panel
 436                 boolean detailsFragmentChanged = false;
 437                 if (waitedPreview) {
 438                     if (success) {
 439                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 440                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 441                             startMediaPreview(mWaitingToPreview, 0, true);
 442                             detailsFragmentChanged = true;
 443                         } else {
 444                             getFileOperationsHelper().openFile(mWaitingToPreview);
 445                         }
 446                     }
 447                     mWaitingToPreview = null;
 448                 }
 449                 if (!detailsFragmentChanged) {
 450                     detailsFragment.updateFileDetails(false, (success));
 451                 }
 452             }
 453         }
 454     }
 455
 456     @Override
 457     public boolean onPrepareOptionsMenu(Menu menu) {
 458         if (BuildConfig.DEBUG) {
 459             menu.findItem(R.id.action_logger).setVisible(true);
 460         } else {
 461             menu.findItem(R.id.action_logger).setVisible(false);
 462         }
 463         return super.onPrepareOptionsMenu(menu);
 464     }
 465
 466     @Override
 467     public boolean onCreateOptionsMenu(Menu menu) {
 468         MenuInflater inflater = getSherlock().getMenuInflater();
 469         inflater.inflate(R.menu.main_menu, menu);
 470         return true;
 471     }
 472
 473     @Override
 474     public boolean onOptionsItemSelected(MenuItem item) {
 475         boolean retval = true;
 476         switch (item.getItemId()) {
 477         case R.id.action_create_dir: {
 478             CreateFolderDialogFragment dialog =
 479                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 480             dialog.show(getSupportFragmentManager(), "createdirdialog");
 481             break;
 482         }
 483         case R.id.action_sync_account: {
 484             startSynchronization();
 485             break;
 486         }
 487         case R.id.action_upload: {
 488             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 489             break;
 490         }
 491         case R.id.action_settings: {
 492             Intent settingsIntent = new Intent(this, Preferences.class);
 493             startActivity(settingsIntent);
 494             break;
 495         }
 496         case R.id.action_logger: {
 497             Intent loggerIntent = new Intent(getApplicationContext(),LogHistoryActivity.class);
 498             startActivity(loggerIntent);
 499             break;
 500         }
 501         case android.R.id.home: {
 502             FileFragment second = getSecondFragment();
 503             OCFile currentDir = getCurrentDir();
 504             if((currentDir != null && currentDir.getParentId() != 0) ||
 505                     (second != null && second.getFile() != null)) {
 506                 onBackPressed();
 507
 508             }
 509             break;
 510         }
 511         case R.id.action_sort: {
 512             SharedPreferences appPreferences = PreferenceManager
 513                     .getDefaultSharedPreferences(this);
 514
 515             // Read sorting order, default to sort by name ascending
 516             Integer sortOrder = appPreferences
 517                     .getInt("sortOrder", FileListListAdapter.SORT_NAME);
 518
 519             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 520             builder.setTitle(R.string.actionbar_sort_title)
 521             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 522                 public void onClick(DialogInterface dialog, int which) {
 523
 524                     switch (which){
 525                     case 0:
 526                         sortByName(true);
 527                         break;
 528                     case 1:
 529                         sortByDate(false);
 530                         break;
 531
 532 // TODO re-enable when server-side folder size calculation is available
 533 //                    case 2:
 534 //                        sortBySize(false);
 535 //                        break;
 536                     }
 537
 538                     dialog.dismiss();
 539
 540                 }
 541             });
 542             builder.create().show();
 543             break;
 544         }
 545         default:
 546             retval = super.onOptionsItemSelected(item);
 547         }
 548         return retval;
 549     }
 550
 551     private void startSynchronization() {
 552         Log_OC.e(TAG, "Got to start sync");
 553         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 554             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 555             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 556             Bundle bundle = new Bundle();
 557             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 558             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 559             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 560             ContentResolver.requestSync(
 561                     getAccount(),
 562                     MainApp.getAuthority(), bundle);
 563         } else {
 564             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 565             SyncRequest.Builder builder = new SyncRequest.Builder();
 566             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 567             builder.setExpedited(true);
 568             builder.setManual(true);
 569             builder.syncOnce();
 570             SyncRequest request = builder.build();
 571             ContentResolver.requestSync(request);
 572         }
 573     }
 574
 575
 576     @Override
 577     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 578         if (itemPosition != 0) {
 579             String targetPath = "";
 580             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 581                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 582             }
 583             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 584             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 585             if (targetFolder != null) {
 586                 browseTo(targetFolder);
 587             }
 588
 589             // the next operation triggers a new call to this method, but it's necessary to
 590             // ensure that the name exposed in the action bar is the current directory when the
 591             // user selected it in the navigation list
 592             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 593                 getSupportActionBar().setSelectedNavigationItem(0);
 594         }
 595         return true;
 596     }
 597
 598     /**
 599      * Called, when the user selected something for uploading
 600      */
 601     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 602         super.onActivityResult(requestCode, resultCode, data);
 603
 604         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 605             requestSimpleUpload(data, resultCode);
 606
 607         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 608             requestMultipleUpload(data, resultCode);
 609
 610         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 611                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)){
 612
 613             final Intent fData = data;
 614             final int fResultCode = resultCode;
 615             getHandler().postDelayed(
 616                 new Runnable() {
 617                     @Override
 618                     public void run() {
 619                         requestMoveOperation(fData, fResultCode);
 620                     }
 621                 },
 622                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 623             );
 624         }
 625     }
 626
 627     private void requestMultipleUpload(Intent data, int resultCode) {
 628         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 629         if (filePaths != null) {
 630             String[] remotePaths = new String[filePaths.length];
 631             String remotePathBase = "";
 632             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 633                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 634             }
 635             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 636                 remotePathBase += OCFile.PATH_SEPARATOR;
 637             for (int j = 0; j< remotePaths.length; j++) {
 638                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 639             }
 640
 641             Intent i = new Intent(this, FileUploader.class);
 642             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 643             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 644             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 645             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 646             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 647                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 648             startService(i);
 649
 650         } else {
 651             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 652             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 653             t.show();
 654             return;
 655         }
 656     }
 657
 658
 659     private void requestSimpleUpload(Intent data, int resultCode) {
 660         String filepath = null;
 661         try {
 662             Uri selectedImageUri = data.getData();
 663
 664             String filemanagerstring = selectedImageUri.getPath();
 665             String selectedImagePath = getPath(selectedImageUri);
 666
 667             if (selectedImagePath != null)
 668                 filepath = selectedImagePath;
 669             else
 670                 filepath = filemanagerstring;
 671
 672         } catch (Exception e) {
 673             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 674             e.printStackTrace();
 675
 676         } finally {
 677             if (filepath == null) {
 678                 Log_OC.e(TAG, "Couldnt resolve path to file");
 679                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 680                 t.show();
 681                 return;
 682             }
 683         }
 684
 685         Intent i = new Intent(this, FileUploader.class);
 686         i.putExtra(FileUploader.KEY_ACCOUNT,
 687                 getAccount());
 688         String remotepath = new String();
 689         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 690             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 691         }
 692         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 693             remotepath += OCFile.PATH_SEPARATOR;
 694         remotepath += new File(filepath).getName();
 695
 696         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 697         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 698         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 699         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 700             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 701         startService(i);
 702     }
 703
 704     /**
 705      * Request the operation for moving the file/folder from one path to another
 706      *
 707      * @param data              Intent received
 708      * @param resultCode        Result code received
 709      */
 710     private void requestMoveOperation(Intent data, int resultCode) {
 711         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 712         OCFile targetFile = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_TARGET_FILE);
 713         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 714     }
 715
 716     @Override
 717     public void onBackPressed() {
 718         OCFileListFragment listOfFiles = getListOfFilesFragment();
 719         if (mDualPane || getSecondFragment() == null) {
 720             if (listOfFiles != null) {  // should never be null, indeed
 721                 if (mDirectories.getCount() <= 1) {
 722                     finish();
 723                     return;
 724                 }
 725                 int levelsUp = listOfFiles.onBrowseUp();
 726                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 727                     popDirname();
 728                 }
 729             }
 730         }
 731         if (listOfFiles != null) {  // should never be null, indeed
 732             setFile(listOfFiles.getCurrentFile());
 733         }
 734         cleanSecondFragment();
 735
 736     }
 737
 738     @Override
 739     protected void onSaveInstanceState(Bundle outState) {
 740         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 741         Log_OC.e(TAG, "onSaveInstanceState() start");
 742         super.onSaveInstanceState(outState);
 743         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 744         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 745         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 746         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 747
 748         Log_OC.d(TAG, "onSaveInstanceState() end");
 749     }
 750
 751
 752
 753     @Override
 754     protected void onResume() {
 755         super.onResume();
 756         Log_OC.e(TAG, "onResume() start");
 757
 758         // refresh list of files
 759         refreshListOfFilesFragment();
 760
 761         // Listen for sync messages
 762         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 763         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 764         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 765         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 766         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 767         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 768         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 769         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 770
 771         // Listen for upload messages
 772         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 773         mUploadFinishReceiver = new UploadFinishReceiver();
 774         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 775
 776         // Listen for download messages
 777         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 778         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 779         mDownloadFinishReceiver = new DownloadFinishReceiver();
 780         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 781
 782         Log_OC.d(TAG, "onResume() end");
 783     }
 784
 785
 786     @Override
 787     protected void onPause() {
 788         Log_OC.e(TAG, "onPause() start");
 789         if (mSyncBroadcastReceiver != null) {
 790             unregisterReceiver(mSyncBroadcastReceiver);
 791             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 792             mSyncBroadcastReceiver = null;
 793         }
 794         if (mUploadFinishReceiver != null) {
 795             unregisterReceiver(mUploadFinishReceiver);
 796             mUploadFinishReceiver = null;
 797         }
 798         if (mDownloadFinishReceiver != null) {
 799             unregisterReceiver(mDownloadFinishReceiver);
 800             mDownloadFinishReceiver = null;
 801         }
 802
 803
 804         Log_OC.d(TAG, "onPause() end");
 805         super.onPause();
 806     }
 807
 808
 809     @Override
 810     protected Dialog onCreateDialog(int id) {
 811         Dialog dialog = null;
 812         AlertDialog.Builder builder;
 813         switch (id) {
 814         case DIALOG_SHORT_WAIT: {
 815             ProgressDialog working_dialog = new ProgressDialog(this);
 816             working_dialog.setMessage(getResources().getString(
 817                     R.string.wait_a_moment));
 818             working_dialog.setIndeterminate(true);
 819             working_dialog.setCancelable(false);
 820             dialog = working_dialog;
 821             break;
 822         }
 823         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 824
 825
 826             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 827                     getString(R.string.actionbar_upload_from_apps) };
 828
 829             builder = new AlertDialog.Builder(this);
 830             builder.setTitle(R.string.actionbar_upload);
 831             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 832                 public void onClick(DialogInterface dialog, int item) {
 833                     if (item == 0) {
 834                         // if (!mDualPane) {
 835                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 836                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 837                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 838                             // } else {
 839                             // TODO create and handle new fragment
 840                             // LocalFileListFragment
 841                             // }
 842                     } else if (item == 1) {
 843                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 844                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 845                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 846                                 ACTION_SELECT_CONTENT_FROM_APPS);
 847                     }
 848                 }
 849             });
 850             dialog = builder.create();
 851             break;
 852         }
 853         case DIALOG_CERT_NOT_SAVED: {
 854             builder = new AlertDialog.Builder(this);
 855             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 856             builder.setCancelable(false);
 857             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 858                 @Override
 859                 public void onClick(DialogInterface dialog, int which) {
 860                     dialog.dismiss();
 861                 };
 862             });
 863             dialog = builder.create();
 864             break;
 865         }
 866         default:
 867             dialog = null;
 868         }
 869
 870         return dialog;
 871     }
 872
 873     /**
 874      * Translates a content URI of an content to a physical path on the disk
 875      *
 876      * @param uri The URI to resolve
 877      * @return The path to the content or null if it could not be found
 878      */
 879     public String getPath(Uri uri) {
 880         final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
 881
 882         // DocumentProvider
 883         if (isKitKat && DocumentsContract.isDocumentUri(getApplicationContext(), uri)) {
 884             // ExternalStorageProvider
 885             if (isExternalStorageDocument(uri)) {
 886                 final String docId = DocumentsContract.getDocumentId(uri);
 887                 final String[] split = docId.split(":");
 888                 final String type = split[0];
 889
 890                 if ("primary".equalsIgnoreCase(type)) {
 891                     return Environment.getExternalStorageDirectory() + "/" + split[1];
 892                 }
 893             }
 894             // DownloadsProvider
 895             else if (isDownloadsDocument(uri)) {
 896
 897                 final String id = DocumentsContract.getDocumentId(uri);
 898                 final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
 899                         Long.valueOf(id));
 900
 901                 return getDataColumn(getApplicationContext(), contentUri, null, null);
 902             }
 903             // MediaProvider
 904             else if (isMediaDocument(uri)) {
 905                 final String docId = DocumentsContract.getDocumentId(uri);
 906                 final String[] split = docId.split(":");
 907                 final String type = split[0];
 908
 909                 Uri contentUri = null;
 910                 if ("image".equals(type)) {
 911                     contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
 912                 } else if ("video".equals(type)) {
 913                     contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
 914                 } else if ("audio".equals(type)) {
 915                     contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
 916                 }
 917
 918                 final String selection = "_id=?";
 919                 final String[] selectionArgs = new String[] { split[1] };
 920
 921                 return getDataColumn(getApplicationContext(), contentUri, selection, selectionArgs);
 922             }
 923         }
 924         // MediaStore (and general)
 925         else if ("content".equalsIgnoreCase(uri.getScheme())) {
 926
 927             // Return the remote address
 928             if (isGooglePhotosUri(uri))
 929                 return uri.getLastPathSegment();
 930
 931             return getDataColumn(getApplicationContext(), uri, null, null);
 932         }
 933         // File
 934         else if ("file".equalsIgnoreCase(uri.getScheme())) {
 935             return uri.getPath();
 936         }
 937         return null;
 938     }
 939
 940     /**
 941      * Get the value of the data column for this Uri. This is useful for
 942      * MediaStore Uris, and other file-based ContentProviders.
 943      *
 944      * @param context The context.
 945      * @param uri The Uri to query.
 946      * @param selection (Optional) Filter used in the query.
 947      * @param selectionArgs (Optional) Selection arguments used in the query.
 948      * @return The value of the _data column, which is typically a file path.
 949      */
 950     public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
 951
 952         Cursor cursor = null;
 953         final String column = "_data";
 954         final String[] projection = { column };
 955
 956         try {
 957             cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
 958             if (cursor != null && cursor.moveToFirst()) {
 959
 960                 final int column_index = cursor.getColumnIndexOrThrow(column);
 961                 return cursor.getString(column_index);
 962             }
 963         } finally {
 964             if (cursor != null)
 965                 cursor.close();
 966         }
 967         return null;
 968     }
 969
 970     /**
 971      * @param uri The Uri to check.
 972      * @return Whether the Uri authority is ExternalStorageProvider.
 973      */
 974     public static boolean isExternalStorageDocument(Uri uri) {
 975         return "com.android.externalstorage.documents".equals(uri.getAuthority());
 976     }
 977
 978     /**
 979      * @param uri The Uri to check.
 980      * @return Whether the Uri authority is DownloadsProvider.
 981      */
 982     public static boolean isDownloadsDocument(Uri uri) {
 983         return "com.android.providers.downloads.documents".equals(uri.getAuthority());
 984     }
 985
 986     /**
 987      * @param uri The Uri to check.
 988      * @return Whether the Uri authority is MediaProvider.
 989      */
 990     public static boolean isMediaDocument(Uri uri) {
 991         return "com.android.providers.media.documents".equals(uri.getAuthority());
 992     }
 993
 994     /**
 995      * @param uri The Uri to check.
 996      * @return Whether the Uri authority is Google Photos.
 997      */
 998     public static boolean isGooglePhotosUri(Uri uri) {
 999         return "com.google.android.apps.photos.content".equals(uri.getAuthority());
1000     }
1001
1002     /**
1003      *
1004      * @param uri The Uri to check.
1005      * @return Whether the Uri authority is Google Drive.
1006      */
1007     public static boolean isGoogleDriveDocument(Uri uri) {
1008         return "com.google.android.apps.docs.storage".equals(uri.getAuthority());
1009     }
1010
1011     /**
1012      * Pushes a directory to the drop down list
1013      * @param directory to push
1014      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
1015      */
1016     public void pushDirname(OCFile directory) {
1017         if(!directory.isFolder()){
1018             throw new IllegalArgumentException("Only directories may be pushed!");
1019         }
1020         mDirectories.insert(directory.getFileName(), 0);
1021         setFile(directory);
1022     }
1023
1024     /**
1025      * Pops a directory name from the drop down list
1026      * @return True, unless the stack is empty
1027      */
1028     public boolean popDirname() {
1029         mDirectories.remove(mDirectories.getItem(0));
1030         return !mDirectories.isEmpty();
1031     }
1032
1033     // Custom array adapter to override text colors
1034     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
1035
1036         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
1037             super(ctx, view);
1038         }
1039
1040         public View getView(int position, View convertView, ViewGroup parent) {
1041             View v = super.getView(position, convertView, parent);
1042
1043             ((TextView) v).setTextColor(getResources().getColorStateList(
1044                     android.R.color.white));
1045
1046             fixRoot((TextView) v );
1047             return v;
1048         }
1049
1050         public View getDropDownView(int position, View convertView,
1051                 ViewGroup parent) {
1052             View v = super.getDropDownView(position, convertView, parent);
1053
1054             ((TextView) v).setTextColor(getResources().getColorStateList(
1055                     android.R.color.white));
1056
1057             fixRoot((TextView) v );
1058             return v;
1059         }
1060
1061         private void fixRoot(TextView v) {
1062             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
1063                 v.setText(R.string.default_display_name_for_root_folder);
1064             }
1065         }
1066
1067     }
1068
1069     private class SyncBroadcastReceiver extends BroadcastReceiver {
1070
1071         /**
1072          * {@link BroadcastReceiver} to enable syncing feedback in UI
1073          */
1074         @Override
1075         public void onReceive(Context context, Intent intent) {
1076             try {
1077                 String event = intent.getAction();
1078                 Log_OC.d(TAG, "Received broadcast " + event);
1079                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
1080                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
1081                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
1082                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
1083
1084                 if (sameAccount) {
1085
1086                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
1087                         mSyncInProgress = true;
1088
1089                     } else {
1090                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
1091                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1092
1093                         if (currentDir == null) {
1094                             // current folder was removed from the server
1095                             Toast.makeText( FileDisplayActivity.this,
1096                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
1097                                             Toast.LENGTH_LONG)
1098                                 .show();
1099                             browseToRoot();
1100
1101                         } else {
1102                             if (currentFile == null && !getFile().isFolder()) {
1103                                 // currently selected file was removed in the server, and now we know it
1104                                 cleanSecondFragment();
1105                                 currentFile = currentDir;
1106                             }
1107
1108                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1109                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1110                                 if (fileListFragment != null) {
1111                                     fileListFragment.listDirectory(currentDir);
1112                                 }
1113                             }
1114                             setFile(currentFile);
1115                         }
1116
1117                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1118
1119                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1120                                     equals(event) &&
1121                                 /// TODO refactor and make common
1122                                 synchResult != null && !synchResult.isSuccess() &&
1123                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1124                                     synchResult.isIdPRedirection()                  ||
1125                                     (synchResult.isException() && synchResult.getException()
1126                                             instanceof AuthenticatorException))) {
1127
1128                             OwnCloudClient client = null;
1129                             try {
1130                                 OwnCloudAccount ocAccount =
1131                                         new OwnCloudAccount(getAccount(), context);
1132                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1133                                         removeClientFor(ocAccount));
1134                                 // TODO get rid of these exceptions
1135                             } catch (AccountNotFoundException e) {
1136                                 e.printStackTrace();
1137                             } catch (AuthenticatorException e) {
1138                                 e.printStackTrace();
1139                             } catch (OperationCanceledException e) {
1140                                 e.printStackTrace();
1141                             } catch (IOException e) {
1142                                 e.printStackTrace();
1143                             }
1144
1145                             if (client != null) {
1146                                 OwnCloudCredentials cred = client.getCredentials();
1147                                 if (cred != null) {
1148                                     AccountManager am = AccountManager.get(context);
1149                                     if (cred.authTokenExpires()) {
1150                                         am.invalidateAuthToken(
1151                                                 getAccount().type,
1152                                                 cred.getAuthToken()
1153                                         );
1154                                     } else {
1155                                         am.clearPassword(getAccount());
1156                                     }
1157                                 }
1158                             }
1159
1160                             requestCredentialsUpdate();
1161
1162                         }
1163                     }
1164                     removeStickyBroadcast(intent);
1165                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1166                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1167
1168                     setBackgroundText();
1169
1170                 }
1171
1172                 if (synchResult != null) {
1173                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1174                         mLastSslUntrustedServerResult = synchResult;
1175                     }
1176                 }
1177             } catch (RuntimeException e) {
1178                 // avoid app crashes after changing the serial id of RemoteOperationResult
1179                 // in owncloud library with broadcast notifications pending to process
1180                 removeStickyBroadcast(intent);
1181             }
1182         }
1183     }
1184
1185     /**
1186      * Show a text message on screen view for notifying user if content is
1187      * loading or folder is empty
1188      */
1189     private void setBackgroundText() {
1190         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1191         if (ocFileListFragment != null) {
1192             int message = R.string.file_list_loading;
1193             if (!mSyncInProgress) {
1194                 // In case file list is empty
1195                 message = R.string.file_list_empty;
1196             }
1197             ocFileListFragment.setMessageForEmptyList(getString(message));
1198         } else {
1199             Log_OC.e(TAG, "OCFileListFragment is null");
1200         }
1201     }
1202
1203     /**
1204      * Once the file upload has finished -> update view
1205      */
1206     private class UploadFinishReceiver extends BroadcastReceiver {
1207         /**
1208          * Once the file upload has finished -> update view
1209          *  @author David A. Velasco
1210          * {@link BroadcastReceiver} to enable upload feedback in UI
1211          */
1212         @Override
1213         public void onReceive(Context context, Intent intent) {
1214             try {
1215                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1216                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1217                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1218                 OCFile currentDir = getCurrentDir();
1219                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1220                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1221
1222                 if (sameAccount && isDescendant) {
1223                     refreshListOfFilesFragment();
1224                 }
1225
1226                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1227                 boolean renamedInUpload = getFile().getRemotePath().
1228                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1229                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1230                         renamedInUpload;
1231                 FileFragment details = getSecondFragment();
1232                 boolean detailFragmentIsShown = (details != null &&
1233                         details instanceof FileDetailFragment);
1234
1235                 if (sameAccount && sameFile && detailFragmentIsShown) {
1236                     if (uploadWasFine) {
1237                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1238                     }
1239                     if (renamedInUpload) {
1240                         String newName = (new File(uploadedRemotePath)).getName();
1241                         Toast msg = Toast.makeText(
1242                                 context,
1243                                 String.format(
1244                                         getString(R.string.filedetails_renamed_in_upload_msg),
1245                                         newName),
1246                                 Toast.LENGTH_LONG);
1247                         msg.show();
1248                     }
1249                     if (uploadWasFine || getFile().fileExists()) {
1250                         ((FileDetailFragment)details).updateFileDetails(false, true);
1251                     } else {
1252                         cleanSecondFragment();
1253                     }
1254
1255                     // Force the preview if the file is an image
1256                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1257                         startImagePreview(getFile());
1258                     } // TODO what about other kind of previews?
1259                 }
1260
1261             } finally {
1262                 if (intent != null) {
1263                     removeStickyBroadcast(intent);
1264                 }
1265             }
1266
1267         }
1268
1269     }
1270
1271
1272     /**
1273      * Class waiting for broadcast events from the {@link FielDownloader} service.
1274      *
1275      * Updates the UI when a download is started or finished, provided that it is relevant for the
1276      * current folder.
1277      */
1278     private class DownloadFinishReceiver extends BroadcastReceiver {
1279         @Override
1280         public void onReceive(Context context, Intent intent) {
1281             try {
1282                 boolean sameAccount = isSameAccount(context, intent);
1283                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1284                 boolean isDescendant = isDescendant(downloadedRemotePath);
1285
1286                 if (sameAccount && isDescendant) {
1287                     refreshListOfFilesFragment();
1288                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1289                 }
1290
1291                 if (mWaitingToSend != null) {
1292                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1293                     if (mWaitingToSend.isDown()) {
1294                         sendDownloadedFile();
1295                     }
1296                 }
1297
1298             } finally {
1299                 if (intent != null) {
1300                     removeStickyBroadcast(intent);
1301                 }
1302             }
1303         }
1304
1305         private boolean isDescendant(String downloadedRemotePath) {
1306             OCFile currentDir = getCurrentDir();
1307             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1308         }
1309
1310         private boolean isSameAccount(Context context, Intent intent) {
1311             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1312             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1313         }
1314     }
1315
1316
1317     public void browseToRoot() {
1318         OCFileListFragment listOfFiles = getListOfFilesFragment();
1319         if (listOfFiles != null) {  // should never be null, indeed
1320             while (mDirectories.getCount() > 1) {
1321                 popDirname();
1322             }
1323             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1324             listOfFiles.listDirectory(root);
1325             setFile(listOfFiles.getCurrentFile());
1326             startSyncFolderOperation(root, false);
1327         }
1328         cleanSecondFragment();
1329     }
1330
1331
1332     public void browseTo(OCFile folder) {
1333         if (folder == null || !folder.isFolder()) {
1334             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1335         }
1336         OCFileListFragment listOfFiles = getListOfFilesFragment();
1337         if (listOfFiles != null) {
1338             setNavigationListWithFolder(folder);
1339             listOfFiles.listDirectory(folder);
1340             setFile(listOfFiles.getCurrentFile());
1341             startSyncFolderOperation(folder, false);
1342         } else {
1343             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1344         }
1345         cleanSecondFragment();
1346     }
1347
1348
1349     /**
1350      * {@inheritDoc}
1351      *
1352      * Updates action bar and second fragment, if in dual pane mode.
1353      */
1354     @Override
1355     public void onBrowsedDownTo(OCFile directory) {
1356         pushDirname(directory);
1357         cleanSecondFragment();
1358
1359         // Sync Folder
1360         startSyncFolderOperation(directory, false);
1361
1362     }
1363
1364     /**
1365      * Shows the information of the {@link OCFile} received as a
1366      * parameter in the second fragment.
1367      *
1368      * @param file          {@link OCFile} whose details will be shown
1369      */
1370     @Override
1371     public void showDetails(OCFile file) {
1372         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1373         setSecondFragment(detailFragment);
1374         updateFragmentsVisibility(true);
1375         updateNavigationElementsInActionBar(file);
1376         setFile(file);
1377     }
1378
1379
1380     /**
1381      * TODO
1382      */
1383     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1384         ActionBar actionBar = getSupportActionBar();
1385         if (chosenFile == null || mDualPane) {
1386             // only list of files - set for browsing through folders
1387             OCFile currentDir = getCurrentDir();
1388             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1389             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1390             actionBar.setDisplayShowTitleEnabled(!noRoot);
1391             if (!noRoot) {
1392                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1393             }
1394             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1395             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1396
1397         } else {
1398             actionBar.setDisplayHomeAsUpEnabled(true);
1399             actionBar.setDisplayShowTitleEnabled(true);
1400             actionBar.setTitle(chosenFile.getFileName());
1401             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1402         }
1403     }
1404
1405
1406     @Override
1407     protected ServiceConnection newTransferenceServiceConnection() {
1408         return new ListServiceConnection();
1409     }
1410
1411     /** Defines callbacks for service binding, passed to bindService() */
1412     private class ListServiceConnection implements ServiceConnection {
1413
1414         @Override
1415         public void onServiceConnected(ComponentName component, IBinder service) {
1416             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1417                 Log_OC.d(TAG, "Download service connected");
1418                 mDownloaderBinder = (FileDownloaderBinder) service;
1419                 if (mWaitingToPreview != null)
1420                     if (getStorageManager() != null) {
1421                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1422                         if (!mWaitingToPreview.isDown()) {
1423                             requestForDownload();
1424                         }
1425                 }
1426
1427             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1428                 Log_OC.d(TAG, "Upload service connected");
1429                 mUploaderBinder = (FileUploaderBinder) service;
1430             } else {
1431                 return;
1432             }
1433             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1434             OCFileListFragment listOfFiles = getListOfFilesFragment();
1435             if (listOfFiles != null) {
1436                 listOfFiles.listDirectory();
1437             }
1438             FileFragment secondFragment = getSecondFragment();
1439             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1440                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1441                 detailFragment.listenForTransferProgress();
1442                 detailFragment.updateFileDetails(false, false);
1443             }
1444         }
1445
1446         @Override
1447         public void onServiceDisconnected(ComponentName component) {
1448             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1449                 Log_OC.d(TAG, "Download service disconnected");
1450                 mDownloaderBinder = null;
1451             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1452                 Log_OC.d(TAG, "Upload service disconnected");
1453                 mUploaderBinder = null;
1454             }
1455         }
1456     };
1457
1458
1459
1460     /**
1461      * Launch an intent to request the PIN code to the user before letting him use the app
1462      */
1463     private void requestPinCode() {
1464         boolean pinStart = false;
1465         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1466         pinStart = appPrefs.getBoolean("set_pincode", false);
1467         if (pinStart) {
1468             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1469             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1470             startActivity(i);
1471         }
1472     }
1473
1474
1475     @Override
1476     public void onSavedCertificate() {
1477         startSyncFolderOperation(getCurrentDir(), false);
1478     }
1479
1480
1481     @Override
1482     public void onFailedSavingCertificate() {
1483         showDialog(DIALOG_CERT_NOT_SAVED);
1484     }
1485
1486     @Override
1487     public void onCancelCertificate() {
1488         // nothing to do
1489     }
1490
1491     /**
1492      * Updates the view associated to the activity after the finish of some operation over files
1493      * in the current account.
1494      *
1495      * @param operation     Removal operation performed.
1496      * @param result        Result of the removal.
1497      */
1498     @Override
1499     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1500         super.onRemoteOperationFinish(operation, result);
1501
1502         if (operation instanceof RemoveFileOperation) {
1503             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1504
1505         } else if (operation instanceof RenameFileOperation) {
1506             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1507
1508         } else if (operation instanceof SynchronizeFileOperation) {
1509             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1510
1511         } else if (operation instanceof CreateFolderOperation) {
1512             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1513
1514         } else if (operation instanceof CreateShareOperation) {
1515             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1516
1517         } else if (operation instanceof UnshareLinkOperation) {
1518             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1519
1520         } else if (operation instanceof MoveFileOperation) {
1521             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1522         }
1523
1524     }
1525
1526
1527     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1528         if (result.isSuccess()) {
1529             refreshShowDetails();
1530             refreshListOfFilesFragment();
1531         }
1532     }
1533
1534
1535     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1536         if (result.isSuccess()) {
1537             refreshShowDetails();
1538             refreshListOfFilesFragment();
1539
1540         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1541             cleanSecondFragment();
1542             refreshListOfFilesFragment();
1543         }
1544     }
1545
1546     private void refreshShowDetails() {
1547         FileFragment details = getSecondFragment();
1548         if (details != null) {
1549             OCFile file = details.getFile();
1550             if (file != null) {
1551                 file = getStorageManager().getFileByPath(file.getRemotePath());
1552                 if (details instanceof PreviewMediaFragment) {
1553                     // Refresh  OCFile of the fragment
1554                     ((PreviewMediaFragment) details).updateFile(file);
1555                 } else {
1556                     showDetails(file);
1557                 }
1558             }
1559             invalidateOptionsMenu();
1560         }
1561     }
1562
1563     /**
1564      * Updates the view associated to the activity after the finish of an operation trying to remove a
1565      * file.
1566      *
1567      * @param operation     Removal operation performed.
1568      * @param result        Result of the removal.
1569      */
1570     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1571         dismissLoadingDialog();
1572
1573         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1574                 Toast.LENGTH_LONG);
1575         msg.show();
1576
1577         if (result.isSuccess()) {
1578             OCFile removedFile = operation.getFile();
1579             FileFragment second = getSecondFragment();
1580             if (second != null && removedFile.equals(second.getFile())) {
1581                 if (second instanceof PreviewMediaFragment) {
1582                     ((PreviewMediaFragment)second).stopPreview(true);
1583                 }
1584                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1585                 cleanSecondFragment();
1586             }
1587             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1588                 refreshListOfFilesFragment();
1589             }
1590             invalidateOptionsMenu();
1591         } else {
1592             if (result.isSslRecoverableException()) {
1593                 mLastSslUntrustedServerResult = result;
1594                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1595             }
1596         }
1597     }
1598
1599
1600     /**
1601      * Updates the view associated to the activity after the finish of an operation trying to move a
1602      * file.
1603      *
1604      * @param operation     Move operation performed.
1605      * @param result        Result of the move operation.
1606      */
1607     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1608         if (result.isSuccess()) {
1609             dismissLoadingDialog();
1610             refreshListOfFilesFragment();
1611         } else {
1612             dismissLoadingDialog();
1613             try {
1614                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1615                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1616                         Toast.LENGTH_LONG);
1617                 msg.show();
1618
1619             } catch (NotFoundException e) {
1620                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1621             }
1622         }
1623     }
1624
1625
1626     /**
1627      * Updates the view associated to the activity after the finish of an operation trying to rename a
1628      * file.
1629      *
1630      * @param operation     Renaming operation performed.
1631      * @param result        Result of the renaming.
1632      */
1633     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1634         dismissLoadingDialog();
1635         OCFile renamedFile = operation.getFile();
1636         if (result.isSuccess()) {
1637             FileFragment details = getSecondFragment();
1638             if (details != null) {
1639                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1640                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1641                     showDetails(renamedFile);
1642
1643                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1644                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1645                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1646                         int position = ((PreviewMediaFragment)details).getPosition();
1647                         startMediaPreview(renamedFile, position, true);
1648                     } else {
1649                         getFileOperationsHelper().openFile(renamedFile);
1650                     }
1651                 }
1652             }
1653
1654             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1655                 refreshListOfFilesFragment();
1656             }
1657
1658         } else {
1659             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1660                     Toast.LENGTH_LONG);
1661             msg.show();
1662
1663             if (result.isSslRecoverableException()) {
1664                 mLastSslUntrustedServerResult = result;
1665                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1666             }
1667         }
1668     }
1669
1670     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1671         dismissLoadingDialog();
1672         OCFile syncedFile = operation.getLocalFile();
1673         if (!result.isSuccess()) {
1674             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1675                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1676                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1677                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1678                 startActivity(i);
1679
1680             }
1681
1682         } else {
1683             if (operation.transferWasRequested()) {
1684                 onTransferStateChanged(syncedFile, true, true);
1685
1686             } else {
1687                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1688                         Toast.LENGTH_LONG);
1689                 msg.show();
1690             }
1691         }
1692     }
1693
1694     /**
1695      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1696      *
1697      * @param operation     Creation operation performed.
1698      * @param result        Result of the creation.
1699      */
1700     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1701         if (result.isSuccess()) {
1702             dismissLoadingDialog();
1703             refreshListOfFilesFragment();
1704         } else {
1705             dismissLoadingDialog();
1706             try {
1707                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1708                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1709                         Toast.LENGTH_LONG);
1710                 msg.show();
1711
1712             } catch (NotFoundException e) {
1713                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1714             }
1715         }
1716     }
1717
1718
1719     /**
1720      * {@inheritDoc}
1721      */
1722     @Override
1723     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1724         refreshListOfFilesFragment();
1725         FileFragment details = getSecondFragment();
1726         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1727             if (downloading || uploading) {
1728                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1729             } else {
1730                 if (!file.fileExists()) {
1731                     cleanSecondFragment();
1732                 } else {
1733                     ((FileDetailFragment)details).updateFileDetails(false, true);
1734                 }
1735             }
1736         }
1737
1738     }
1739
1740
1741     private void requestForDownload() {
1742         Account account = getAccount();
1743         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1744             Intent i = new Intent(this, FileDownloader.class);
1745             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1746             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1747             startService(i);
1748         }
1749     }
1750
1751
1752     private OCFile getCurrentDir() {
1753         OCFile file = getFile();
1754         if (file != null) {
1755             if (file.isFolder()) {
1756                 return file;
1757             } else if (getStorageManager() != null) {
1758                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1759                 return getStorageManager().getFileByPath(parentPath);
1760             }
1761         }
1762         return null;
1763     }
1764
1765     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1766         long currentSyncTime = System.currentTimeMillis();
1767
1768         mSyncInProgress = true;
1769
1770         // perform folder synchronization
1771         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1772                                                                         currentSyncTime,
1773                                                                         false,
1774                                                                         getFileOperationsHelper().isSharedSupported(),
1775                                                                         ignoreETag,
1776                                                                         getStorageManager(),
1777                                                                         getAccount(),
1778                                                                         getApplicationContext()
1779                                                                       );
1780         synchFolderOp.execute(getAccount(), this, null, null);
1781
1782         setSupportProgressBarIndeterminateVisibility(true);
1783
1784         setBackgroundText();
1785     }
1786
1787     /**
1788      * Show untrusted cert dialog
1789      */
1790     public void showUntrustedCertDialog(RemoteOperationResult result) {
1791         // Show a dialog with the certificate info
1792         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1793         FragmentManager fm = getSupportFragmentManager();
1794         FragmentTransaction ft = fm.beginTransaction();
1795         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1796     }
1797
1798     private void requestForDownload(OCFile file) {
1799         Account account = getAccount();
1800         if (!mDownloaderBinder.isDownloading(account, file)) {
1801             Intent i = new Intent(this, FileDownloader.class);
1802             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1803             i.putExtra(FileDownloader.EXTRA_FILE, file);
1804             startService(i);
1805         }
1806     }
1807
1808     private void sendDownloadedFile(){
1809         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1810         mWaitingToSend = null;
1811     }
1812
1813
1814     /**
1815      * Requests the download of the received {@link OCFile} , updates the UI
1816      * to monitor the download progress and prepares the activity to send the file
1817      * when the download finishes.
1818      *
1819      * @param file          {@link OCFile} to download and preview.
1820      */
1821     public void startDownloadForSending(OCFile file) {
1822         mWaitingToSend = file;
1823         requestForDownload(mWaitingToSend);
1824         boolean hasSecondFragment = (getSecondFragment()!= null);
1825         updateFragmentsVisibility(hasSecondFragment);
1826     }
1827
1828     /**
1829      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1830      *
1831      * @param file                      Image {@link OCFile} to show.
1832      */
1833     public void startImagePreview(OCFile file) {
1834         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1835         showDetailsIntent.putExtra(EXTRA_FILE, file);
1836         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1837         startActivity(showDetailsIntent);
1838
1839     }
1840
1841     /**
1842      * Stars the preview of an already down media {@link OCFile}.
1843      *
1844      * @param file                      Media {@link OCFile} to preview.
1845      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1846      * @param autoplay                  When 'true', the playback will start without user interactions.
1847      */
1848     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1849         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1850         setSecondFragment(mediaFragment);
1851         updateFragmentsVisibility(true);
1852         updateNavigationElementsInActionBar(file);
1853         setFile(file);
1854     }
1855
1856     /**
1857      * Requests the download of the received {@link OCFile} , updates the UI
1858      * to monitor the download progress and prepares the activity to preview
1859      * or open the file when the download finishes.
1860      *
1861      * @param file          {@link OCFile} to download and preview.
1862      */
1863     public void startDownloadForPreview(OCFile file) {
1864         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1865         setSecondFragment(detailFragment);
1866         mWaitingToPreview = file;
1867         requestForDownload();
1868         updateFragmentsVisibility(true);
1869         updateNavigationElementsInActionBar(file);
1870         setFile(file);
1871     }
1872
1873
1874     public void cancelTransference(OCFile file) {
1875         getFileOperationsHelper().cancelTransference(file);
1876         if (mWaitingToPreview != null &&
1877                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1878             mWaitingToPreview = null;
1879         }
1880         if (mWaitingToSend != null &&
1881                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1882             mWaitingToSend = null;
1883         }
1884         onTransferStateChanged(file, false, false);
1885     }
1886
1887     @Override
1888     public void onRefresh(boolean ignoreETag) {
1889         refreshList(ignoreETag);
1890     }
1891
1892     @Override
1893     public void onRefresh() {
1894         refreshList(true);
1895     }
1896
1897     private void refreshList(boolean ignoreETag) {
1898         OCFileListFragment listOfFiles = getListOfFilesFragment();
1899         if (listOfFiles != null) {
1900             OCFile folder = listOfFiles.getCurrentFile();
1901             if (folder != null) {
1902                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1903                 listDirectory(mFile);*/
1904                 startSyncFolderOperation(folder, ignoreETag);
1905             }
1906         }
1907     }
1908
1909     private void sortByDate(boolean ascending){
1910         getListOfFilesFragment().sortByDate(ascending);
1911     }
1912
1913     private void sortBySize(boolean ascending){
1914         getListOfFilesFragment().sortBySize(ascending);
1915     }
1916
1917     private void sortByName(boolean ascending){
1918         getListOfFilesFragment().sortByName(ascending);
1919     }
1920 }