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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import android.accounts.Account;
  22 import android.accounts.AccountManager;
  23 import android.accounts.AuthenticatorException;
  24 import android.accounts.OperationCanceledException;
  25 import android.app.AlertDialog;
  26 import android.app.Dialog;
  27 import android.app.ProgressDialog;
  28 import android.content.BroadcastReceiver;
  29 import android.content.ComponentName;
  30 import android.content.ContentResolver;
  31 import android.content.Context;
  32 import android.content.DialogInterface;
  33 import android.content.Intent;
  34 import android.content.IntentFilter;
  35 import android.content.ServiceConnection;
  36 import android.content.SharedPreferences;
  37 import android.content.SyncRequest;
  38 import android.content.res.Resources.NotFoundException;
  39 import android.database.Cursor;
  40 import android.net.Uri;
  41 import android.os.Bundle;
  42 import android.os.IBinder;
  43 import android.preference.PreferenceManager;
  44 import android.provider.MediaStore;
  45 import android.support.v4.app.Fragment;
  46 import android.support.v4.app.FragmentManager;
  47 import android.support.v4.app.FragmentTransaction;
  48 import android.view.View;
  49 import android.view.ViewGroup;
  50 import android.widget.ArrayAdapter;
  51 import android.widget.TextView;
  52 import android.widget.Toast;
  53
  54 import com.actionbarsherlock.app.ActionBar;
  55 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  56 import com.actionbarsherlock.view.Menu;
  57 import com.actionbarsherlock.view.MenuInflater;
  58 import com.actionbarsherlock.view.MenuItem;
  59 import com.actionbarsherlock.view.Window;
  60 import com.owncloud.android.BuildConfig;
  61 import com.owncloud.android.MainApp;
  62 import com.owncloud.android.R;
  63 import com.owncloud.android.datamodel.OCFile;
  64 import com.owncloud.android.files.services.FileDownloader;
  65 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  66 import com.owncloud.android.files.services.FileUploader;
  67 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  68 import com.owncloud.android.lib.common.OwnCloudAccount;
  69 import com.owncloud.android.lib.common.OwnCloudClient;
  70 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  71 import com.owncloud.android.lib.common.OwnCloudCredentials;
  72 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  73 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  74 import com.owncloud.android.lib.common.operations.RemoteOperation;
  75 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  76 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  77 import com.owncloud.android.lib.common.utils.Log_OC;
  78 import com.owncloud.android.operations.CreateFolderOperation;
  79 import com.owncloud.android.operations.CreateShareOperation;
  80 import com.owncloud.android.operations.MoveFileOperation;
  81 import com.owncloud.android.operations.RemoveFileOperation;
  82 import com.owncloud.android.operations.RenameFileOperation;
  83 import com.owncloud.android.operations.SynchronizeFileOperation;
  84 import com.owncloud.android.operations.SynchronizeFolderOperation;
  85 import com.owncloud.android.operations.UnshareLinkOperation;
  86 import com.owncloud.android.services.observer.FileObserverService;
  87 import com.owncloud.android.syncadapter.FileSyncAdapter;
  88 import com.owncloud.android.ui.adapter.FileListListAdapter;
  89 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  90 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  91 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  92 import com.owncloud.android.ui.fragment.FileDetailFragment;
  93 import com.owncloud.android.ui.fragment.FileFragment;
  94 import com.owncloud.android.ui.fragment.OCFileListFragment;
  95 import com.owncloud.android.ui.preview.PreviewImageActivity;
  96 import com.owncloud.android.ui.preview.PreviewImageFragment;
  97 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  98 import com.owncloud.android.ui.preview.PreviewTextFragment;
  99 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 100 import com.owncloud.android.utils.DisplayUtils;
 101 import com.owncloud.android.utils.ErrorMessageAdapter;
 102
 103 import java.io.File;
 104 import java.io.IOException;
 105
 106
 107 /**
 108  * Displays, what files the user has available in his ownCloud.
 109  *
 110  * @author Bartek Przybylski
 111  * @author David A. Velasco
 112  */
 113
 114 public class FileDisplayActivity extends HookActivity implements
 115         FileFragment.ContainerActivity, OnNavigationListener,
 116         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 117
 118     private ArrayAdapter<String> mDirectories;
 119
 120     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 121     private UploadFinishReceiver mUploadFinishReceiver;
 122     private DownloadFinishReceiver mDownloadFinishReceiver;
 123     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 124
 125     private boolean mDualPane;
 126     private View mLeftFragmentContainer;
 127     private View mRightFragmentContainer;
 128
 129     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 130     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 131     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 132
 133     public static final int DIALOG_SHORT_WAIT = 0;
 134     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 135     private static final int DIALOG_CERT_NOT_SAVED = 2;
 136
 137     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 138
 139     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 140     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 141     public static final int ACTION_MOVE_FILES = 3;
 142
 143     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 144
 145     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 146     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 147
 148     private OCFile mWaitingToPreview;
 149
 150     private boolean mSyncInProgress = false;
 151
 152     private String DIALOG_UNTRUSTED_CERT;
 153
 154     private OCFile mWaitingToSend;
 155
 156     @Override
 157     protected void onCreate(Bundle savedInstanceState) {
 158         Log_OC.d(TAG, "onCreate() start");
 159         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 160
 161         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 162
 163         // PIN CODE request ;  best location is to decide, let's try this first
 164         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 165             requestPinCode();
 166         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 167             requestPinCode();
 168         }
 169
 170         /// grant that FileObserverService is watching favourite files
 171         if (savedInstanceState == null) {
 172             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 173             startService(initObserversIntent);
 174         }
 175
 176         /// Load of saved instance state
 177         if (savedInstanceState != null) {
 178             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 179             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 180             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 181
 182         } else {
 183             mWaitingToPreview = null;
 184             mSyncInProgress = false;
 185             mWaitingToSend = null;
 186         }
 187
 188         /// USER INTERFACE
 189
 190         // Inflate and set the layout view
 191         setContentView(R.layout.files);
 192         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 193         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 194         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 195         if (savedInstanceState == null) {
 196             createMinFragments();
 197         }
 198
 199         // Action bar setup
 200         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 201         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 202         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 203
 204         setBackgroundText();
 205
 206         Log_OC.d(TAG, "onCreate() end");
 207     }
 208
 209     @Override
 210     protected void onStart() {
 211         super.onStart();
 212         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 213     }
 214
 215     @Override
 216     protected void onDestroy() {
 217         super.onDestroy();
 218     }
 219
 220     /**
 221      * Called when the ownCloud {@link Account} associated to the Activity was just updated.
 222      */
 223     @Override
 224     protected void onAccountSet(boolean stateWasRecovered) {
 225         super.onAccountSet(stateWasRecovered);
 226         if (getAccount() != null) {
 227             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 228             OCFile file = getFile();
 229             // get parent from path
 230             String parentPath = "";
 231             if (file != null) {
 232                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 233                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 234                     // get parent from path
 235                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 236                     if (getStorageManager().getFileByPath(parentPath) == null)
 237                         file = null; // not able to know the directory where the file is uploading
 238                 } else {
 239                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 240                 }
 241             }
 242             if (file == null) {
 243                 // fall back to root folder
 244                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 245             }
 246             setFile(file);
 247             setNavigationListWithFolder(file);
 248
 249             if (!stateWasRecovered) {
 250                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 251                 initFragmentsWithFile();
 252                 if (file.isFolder()) {
 253                     startSyncFolderOperation(file, false);
 254                 }
 255
 256             } else {
 257                 updateFragmentsVisibility(!file.isFolder());
 258                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 259             }
 260         }
 261     }
 262
 263
 264     private void setNavigationListWithFolder(OCFile file) {
 265         mDirectories.clear();
 266         OCFile fileIt = file;
 267         String parentPath;
 268         while (fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 269             if (fileIt.isFolder()) {
 270                 mDirectories.add(fileIt.getFileName());
 271             }
 272             // get parent from path
 273             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 274             fileIt = getStorageManager().getFileByPath(parentPath);
 275         }
 276         mDirectories.add(OCFile.PATH_SEPARATOR);
 277     }
 278
 279
 280     private void createMinFragments() {
 281         OCFileListFragment listOfFiles = new OCFileListFragment();
 282         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 283         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 284         transaction.commit();
 285     }
 286
 287     private void initFragmentsWithFile() {
 288         if (getAccount() != null && getFile() != null) {
 289             /// First fragment
 290             OCFileListFragment listOfFiles = getListOfFilesFragment();
 291             if (listOfFiles != null) {
 292                 listOfFiles.listDirectory(getCurrentDir());
 293             } else {
 294                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 295             }
 296
 297             /// Second fragment
 298             OCFile file = getFile();
 299             Fragment secondFragment = chooseInitialSecondFragment(file);
 300             if (secondFragment != null) {
 301                 setSecondFragment(secondFragment);
 302                 updateFragmentsVisibility(true);
 303                 updateNavigationElementsInActionBar(file);
 304
 305             } else {
 306                 cleanSecondFragment();
 307             }
 308
 309         } else {
 310             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 311             if (getAccount() == null) {
 312                 Log_OC.wtf(TAG, "\t account is NULL");
 313             }
 314             if (getFile() == null) {
 315                 Log_OC.wtf(TAG, "\t file is NULL");
 316             }
 317         }
 318     }
 319
 320     private Fragment chooseInitialSecondFragment(OCFile file) {
 321         Fragment secondFragment = null;
 322         if (file != null && !file.isFolder()) {
 323             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 324                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 325                     ) {
 326                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 327                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 328                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 329
 330             } else {
 331                 secondFragment = new FileDetailFragment(file, getAccount());
 332             }
 333         }
 334         return secondFragment;
 335     }
 336
 337
 338     /**
 339      * Replaces the second fragment managed by the activity with the received as
 340      * a parameter.
 341      * <p/>
 342      * Assumes never will be more than two fragments managed at the same time.
 343      *
 344      * @param fragment New second Fragment to set.
 345      */
 346     private void setSecondFragment(Fragment fragment) {
 347         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 348         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 349         transaction.commit();
 350     }
 351
 352
 353     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 354         if (mDualPane) {
 355             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 356                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 357             }
 358             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 359                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 360             }
 361
 362         } else if (existsSecondFragment) {
 363             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 364                 mLeftFragmentContainer.setVisibility(View.GONE);
 365             }
 366             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 367                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 368             }
 369
 370         } else {
 371             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 372                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 373             }
 374             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 375                 mRightFragmentContainer.setVisibility(View.GONE);
 376             }
 377         }
 378     }
 379
 380
 381     private OCFileListFragment getListOfFilesFragment() {
 382         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 383         if (listOfFiles != null) {
 384             return (OCFileListFragment) listOfFiles;
 385         }
 386         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 387         return null;
 388     }
 389
 390     public FileFragment getSecondFragment() {
 391         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 392         if (second != null) {
 393             return (FileFragment) second;
 394         }
 395         return null;
 396     }
 397
 398     protected void cleanSecondFragment() {
 399         Fragment second = getSecondFragment();
 400         if (second != null) {
 401             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 402             tr.remove(second);
 403             tr.commit();
 404         }
 405         updateFragmentsVisibility(false);
 406         updateNavigationElementsInActionBar(null);
 407     }
 408
 409     protected void refreshListOfFilesFragment() {
 410         OCFileListFragment fileListFragment = getListOfFilesFragment();
 411         if (fileListFragment != null) {
 412             fileListFragment.listDirectory();
 413         }
 414     }
 415
 416     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 417         FileFragment secondFragment = getSecondFragment();
 418         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 419         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 420             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 421             OCFile fileInFragment = detailsFragment.getFile();
 422             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 423                 // the user browsed to other file ; forget the automatic preview
 424                 mWaitingToPreview = null;
 425
 426             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 427                 // grant that the right panel updates the progress bar
 428                 detailsFragment.listenForTransferProgress();
 429                 detailsFragment.updateFileDetails(true, false);
 430
 431             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 432                 //  update the right panel
 433                 boolean detailsFragmentChanged = false;
 434                 if (waitedPreview) {
 435                     if (success) {
 436                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 437                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 438                             startMediaPreview(mWaitingToPreview, 0, true);
 439                             detailsFragmentChanged = true;
 440                         } else if (PreviewTextFragment.canBePreviewed(mWaitingToPreview)) {
 441                             startTextPreview(mWaitingToPreview);
 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_sort: {
 484                 SharedPreferences appPreferences = PreferenceManager
 485                         .getDefaultSharedPreferences(this);
 486
 487                 // Read sorting order, default to sort by name ascending
 488                 Integer sortOrder = appPreferences
 489                         .getInt("sortOrder", FileListListAdapter.SORT_NAME);
 490
 491                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 492                 builder.setTitle(R.string.actionbar_sort_title)
 493                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder, new DialogInterface.OnClickListener() {
 494                             public void onClick(DialogInterface dialog, int which) {
 495
 496                                 switch (which) {
 497                                     case 0:
 498                                         sortByName(true);
 499                                         break;
 500                                     case 1:
 501                                         sortByDate(false);
 502                                         break;
 503
 504 // TODO re-enable when server-side folder size calculation is available
 505 //                    case 2:
 506 //                        sortBySize(false);
 507 //                        break;
 508                                 }
 509
 510                                 dialog.dismiss();
 511
 512                             }
 513                         });
 514                 builder.create().show();
 515                 break;
 516             }
 517             case R.id.action_sync_account: {
 518                 startSynchronization();
 519                 break;
 520             }
 521             case R.id.action_upload: {
 522                 showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 523                 break;
 524             }
 525             case R.id.action_settings: {
 526                 Intent settingsIntent = new Intent(this, Preferences.class);
 527                 startActivity(settingsIntent);
 528                 break;
 529             }
 530             case R.id.action_logger: {
 531                 Intent loggerIntent = new Intent(getApplicationContext(), LogHistoryActivity.class);
 532                 startActivity(loggerIntent);
 533                 break;
 534             }
 535             case android.R.id.home: {
 536                 FileFragment second = getSecondFragment();
 537                 OCFile currentDir = getCurrentDir();
 538                 if ((currentDir != null && currentDir.getParentId() != 0) ||
 539                         (second != null && second.getFile() != null)) {
 540                     onBackPressed();
 541
 542                 }
 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     @Override
 753     protected void onResume() {
 754         super.onResume();
 755         Log_OC.e(TAG, "onResume() start");
 756
 757         // refresh list of files
 758         refreshListOfFilesFragment();
 759
 760         // Listen for sync messages
 761         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 762         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 763         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 764         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 765         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 766         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 767         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 768         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 769
 770         // Listen for upload messages
 771         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 772         mUploadFinishReceiver = new UploadFinishReceiver();
 773         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 774
 775         // Listen for download messages
 776         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 777         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 778         mDownloadFinishReceiver = new DownloadFinishReceiver();
 779         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 780
 781         Log_OC.d(TAG, "onResume() end");
 782     }
 783
 784
 785     @Override
 786     protected void onPause() {
 787         Log_OC.e(TAG, "onPause() start");
 788         if (mSyncBroadcastReceiver != null) {
 789             unregisterReceiver(mSyncBroadcastReceiver);
 790             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 791             mSyncBroadcastReceiver = null;
 792         }
 793         if (mUploadFinishReceiver != null) {
 794             unregisterReceiver(mUploadFinishReceiver);
 795             mUploadFinishReceiver = null;
 796         }
 797         if (mDownloadFinishReceiver != null) {
 798             unregisterReceiver(mDownloadFinishReceiver);
 799             mDownloadFinishReceiver = null;
 800         }
 801
 802
 803         Log_OC.d(TAG, "onPause() end");
 804         super.onPause();
 805     }
 806
 807
 808     @Override
 809     protected Dialog onCreateDialog(int id) {
 810         Dialog dialog = null;
 811         AlertDialog.Builder builder;
 812         switch (id) {
 813             case DIALOG_SHORT_WAIT: {
 814                 ProgressDialog working_dialog = new ProgressDialog(this);
 815                 working_dialog.setMessage(getResources().getString(
 816                         R.string.wait_a_moment));
 817                 working_dialog.setIndeterminate(true);
 818                 working_dialog.setCancelable(false);
 819                 dialog = working_dialog;
 820                 break;
 821             }
 822             case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 823
 824
 825                 String[] allTheItems = {getString(R.string.actionbar_upload_files),
 826                         getString(R.string.actionbar_upload_from_apps)};
 827
 828                 builder = new AlertDialog.Builder(this);
 829                 builder.setTitle(R.string.actionbar_upload);
 830                 builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 831                     public void onClick(DialogInterface dialog, int item) {
 832                         if (item == 0) {
 833                             // if (!mDualPane) {
 834                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 835                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 836                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 837                             // } else {
 838                             // TODO create and handle new fragment
 839                             // LocalFileListFragment
 840                             // }
 841                         } else if (item == 1) {
 842                             Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 843                             action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 844                             startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 845                                     ACTION_SELECT_CONTENT_FROM_APPS);
 846                         }
 847                     }
 848                 });
 849                 dialog = builder.create();
 850                 break;
 851             }
 852             case DIALOG_CERT_NOT_SAVED: {
 853                 builder = new AlertDialog.Builder(this);
 854                 builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 855                 builder.setCancelable(false);
 856                 builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 857                     @Override
 858                     public void onClick(DialogInterface dialog, int which) {
 859                         dialog.dismiss();
 860                     }
 861
 862                     ;
 863                 });
 864                 dialog = builder.create();
 865                 break;
 866             }
 867             default:
 868                 dialog = null;
 869         }
 870
 871         return dialog;
 872     }
 873
 874
 875     /**
 876      * Translates a content URI of an image to a physical path
 877      * on the disk
 878      *
 879      * @param uri The URI to resolve
 880      * @return The path to the image or null if it could not be found
 881      */
 882     public String getPath(Uri uri) {
 883         String[] projection = {MediaStore.Images.Media.DATA};
 884         Cursor cursor = managedQuery(uri, projection, null, null, null);
 885         if (cursor != null) {
 886             int column_index = cursor
 887                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 888             cursor.moveToFirst();
 889             return cursor.getString(column_index);
 890         }
 891         return null;
 892     }
 893
 894     /**
 895      * Pushes a directory to the drop down list
 896      *
 897      * @param directory to push
 898      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 899      */
 900     public void pushDirname(OCFile directory) {
 901         if (!directory.isFolder()) {
 902             throw new IllegalArgumentException("Only directories may be pushed!");
 903         }
 904         mDirectories.insert(directory.getFileName(), 0);
 905         setFile(directory);
 906     }
 907
 908     /**
 909      * Pops a directory name from the drop down list
 910      *
 911      * @return True, unless the stack is empty
 912      */
 913     public boolean popDirname() {
 914         mDirectories.remove(mDirectories.getItem(0));
 915         return !mDirectories.isEmpty();
 916     }
 917
 918     // Custom array adapter to override text colors
 919     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 920
 921         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 922             super(ctx, view);
 923         }
 924
 925         public View getView(int position, View convertView, ViewGroup parent) {
 926             View v = super.getView(position, convertView, parent);
 927
 928             ((TextView) v).setTextColor(getResources().getColorStateList(
 929                     android.R.color.white));
 930
 931             fixRoot((TextView) v);
 932             return v;
 933         }
 934
 935         public View getDropDownView(int position, View convertView,
 936                                     ViewGroup parent) {
 937             View v = super.getDropDownView(position, convertView, parent);
 938
 939             ((TextView) v).setTextColor(getResources().getColorStateList(
 940                     android.R.color.white));
 941
 942             fixRoot((TextView) v);
 943             return v;
 944         }
 945
 946         private void fixRoot(TextView v) {
 947             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 948                 v.setText(R.string.default_display_name_for_root_folder);
 949             }
 950         }
 951
 952     }
 953
 954     private class SyncBroadcastReceiver extends BroadcastReceiver {
 955
 956         /**
 957          * {@link BroadcastReceiver} to enable syncing feedback in UI
 958          */
 959         @Override
 960         public void onReceive(Context context, Intent intent) {
 961             try {
 962                 String event = intent.getAction();
 963                 Log_OC.d(TAG, "Received broadcast " + event);
 964                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 965                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 966                 RemoteOperationResult synchResult = (RemoteOperationResult) intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 967                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 968
 969                 if (sameAccount) {
 970
 971                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 972                         mSyncInProgress = true;
 973
 974                     } else {
 975                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 976                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 977
 978                         if (currentDir == null) {
 979                             // current folder was removed from the server
 980                             Toast.makeText(FileDisplayActivity.this,
 981                                     String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 982                                     Toast.LENGTH_LONG)
 983                                     .show();
 984                             browseToRoot();
 985
 986                         } else {
 987                             if (currentFile == null && !getFile().isFolder()) {
 988                                 // currently selected file was removed in the server, and now we know it
 989                                 cleanSecondFragment();
 990                                 currentFile = currentDir;
 991                             }
 992
 993                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 994                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 995                                 if (fileListFragment != null) {
 996                                     fileListFragment.listDirectory(currentDir);
 997                                 }
 998                             }
 999                             setFile(currentFile);
1000                         }
1001
1002                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1003
1004                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1005                                 equals(event) &&
1006                                 /// TODO refactor and make common
1007                                 synchResult != null && !synchResult.isSuccess() &&
1008                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED ||
1009                                         synchResult.isIdPRedirection() ||
1010                                         (synchResult.isException() && synchResult.getException()
1011                                                 instanceof AuthenticatorException))) {
1012
1013                             OwnCloudClient client = null;
1014                             try {
1015                                 OwnCloudAccount ocAccount =
1016                                         new OwnCloudAccount(getAccount(), context);
1017                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1018                                         removeClientFor(ocAccount));
1019                                 // TODO get rid of these exceptions
1020                             } catch (AccountNotFoundException e) {
1021                                 e.printStackTrace();
1022                             } catch (AuthenticatorException e) {
1023                                 e.printStackTrace();
1024                             } catch (OperationCanceledException e) {
1025                                 e.printStackTrace();
1026                             } catch (IOException e) {
1027                                 e.printStackTrace();
1028                             }
1029
1030                             if (client != null) {
1031                                 OwnCloudCredentials cred = client.getCredentials();
1032                                 if (cred != null) {
1033                                     AccountManager am = AccountManager.get(context);
1034                                     if (cred.authTokenExpires()) {
1035                                         am.invalidateAuthToken(
1036                                                 getAccount().type,
1037                                                 cred.getAuthToken()
1038                                         );
1039                                     } else {
1040                                         am.clearPassword(getAccount());
1041                                     }
1042                                 }
1043                             }
1044
1045                             requestCredentialsUpdate();
1046
1047                         }
1048                     }
1049                     removeStickyBroadcast(intent);
1050                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1051                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1052
1053                     setBackgroundText();
1054
1055                 }
1056
1057                 if (synchResult != null) {
1058                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1059                         mLastSslUntrustedServerResult = synchResult;
1060                     }
1061                 }
1062             } catch (RuntimeException e) {
1063                 // avoid app crashes after changing the serial id of RemoteOperationResult
1064                 // in owncloud library with broadcast notifications pending to process
1065                 removeStickyBroadcast(intent);
1066             }
1067         }
1068     }
1069
1070     /**
1071      * Show a text message on screen view for notifying user if content is
1072      * loading or folder is empty
1073      */
1074     private void setBackgroundText() {
1075         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1076         if (ocFileListFragment != null) {
1077             int message = R.string.file_list_loading;
1078             if (!mSyncInProgress) {
1079                 // In case file list is empty
1080                 message = R.string.file_list_empty;
1081             }
1082             ocFileListFragment.setMessageForEmptyList(getString(message));
1083         } else {
1084             Log_OC.e(TAG, "OCFileListFragment is null");
1085         }
1086     }
1087
1088     /**
1089      * Once the file upload has finished -> update view
1090      */
1091     private class UploadFinishReceiver extends BroadcastReceiver {
1092         /**
1093          * Once the file upload has finished -> update view
1094          *
1095          * @author David A. Velasco
1096          * {@link BroadcastReceiver} to enable upload feedback in UI
1097          */
1098         @Override
1099         public void onReceive(Context context, Intent intent) {
1100             try {
1101                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1102                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1103                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1104                 OCFile currentDir = getCurrentDir();
1105                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1106                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1107
1108                 if (sameAccount && isDescendant) {
1109                     refreshListOfFilesFragment();
1110                 }
1111
1112                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1113                 boolean renamedInUpload = getFile().getRemotePath().
1114                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1115                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1116                         renamedInUpload;
1117                 FileFragment details = getSecondFragment();
1118                 boolean detailFragmentIsShown = (details != null &&
1119                         details instanceof FileDetailFragment);
1120
1121                 if (sameAccount && sameFile && detailFragmentIsShown) {
1122                     if (uploadWasFine) {
1123                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1124                     }
1125                     if (renamedInUpload) {
1126                         String newName = (new File(uploadedRemotePath)).getName();
1127                         Toast msg = Toast.makeText(
1128                                 context,
1129                                 String.format(
1130                                         getString(R.string.filedetails_renamed_in_upload_msg),
1131                                         newName),
1132                                 Toast.LENGTH_LONG);
1133                         msg.show();
1134                     }
1135                     if (uploadWasFine || getFile().fileExists()) {
1136                         ((FileDetailFragment) details).updateFileDetails(false, true);
1137                     } else {
1138                         cleanSecondFragment();
1139                     }
1140
1141                     // Force the preview if the file is an image or text file
1142                     if (uploadWasFine) {
1143                         OCFile ocFile = getFile();
1144                         if (PreviewImageFragment.canBePreviewed(ocFile))
1145                             startImagePreview(getFile());
1146                         else if (PreviewTextFragment.canBePreviewed(ocFile))
1147                             startTextPreview(ocFile);
1148                         // TODO what about other kind of previews?
1149                     }
1150                 }
1151
1152             } finally {
1153                 if (intent != null) {
1154                     removeStickyBroadcast(intent);
1155                 }
1156             }
1157
1158         }
1159
1160     }
1161
1162
1163     /**
1164      * Class waiting for broadcast events from the {@link FileDownloader} service.
1165      * <p/>
1166      * Updates the UI when a download is started or finished, provided that it is relevant for the
1167      * current folder.
1168      */
1169     private class DownloadFinishReceiver extends BroadcastReceiver {
1170         @Override
1171         public void onReceive(Context context, Intent intent) {
1172             try {
1173                 boolean sameAccount = isSameAccount(context, intent);
1174                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1175                 boolean isDescendant = isDescendant(downloadedRemotePath);
1176
1177                 if (sameAccount && isDescendant) {
1178                     refreshListOfFilesFragment();
1179                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1180                 }
1181
1182                 if (mWaitingToSend != null) {
1183                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1184                     if (mWaitingToSend.isDown()) {
1185                         sendDownloadedFile();
1186                     }
1187                 }
1188
1189             } finally {
1190                 if (intent != null) {
1191                     removeStickyBroadcast(intent);
1192                 }
1193             }
1194         }
1195
1196         private boolean isDescendant(String downloadedRemotePath) {
1197             OCFile currentDir = getCurrentDir();
1198             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1199         }
1200
1201         private boolean isSameAccount(Context context, Intent intent) {
1202             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1203             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1204         }
1205     }
1206
1207
1208     public void browseToRoot() {
1209         OCFileListFragment listOfFiles = getListOfFilesFragment();
1210         if (listOfFiles != null) {  // should never be null, indeed
1211             while (mDirectories.getCount() > 1) {
1212                 popDirname();
1213             }
1214             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1215             listOfFiles.listDirectory(root);
1216             setFile(listOfFiles.getCurrentFile());
1217             startSyncFolderOperation(root, false);
1218         }
1219         cleanSecondFragment();
1220     }
1221
1222
1223     public void browseTo(OCFile folder) {
1224         if (folder == null || !folder.isFolder()) {
1225             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1226         }
1227         OCFileListFragment listOfFiles = getListOfFilesFragment();
1228         if (listOfFiles != null) {
1229             setNavigationListWithFolder(folder);
1230             listOfFiles.listDirectory(folder);
1231             setFile(listOfFiles.getCurrentFile());
1232             startSyncFolderOperation(folder, false);
1233         } else {
1234             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1235         }
1236         cleanSecondFragment();
1237     }
1238
1239
1240     /**
1241      * {@inheritDoc}
1242      * <p/>
1243      * Updates action bar and second fragment, if in dual pane mode.
1244      */
1245     @Override
1246     public void onBrowsedDownTo(OCFile directory) {
1247         pushDirname(directory);
1248         cleanSecondFragment();
1249
1250         // Sync Folder
1251         startSyncFolderOperation(directory, false);
1252
1253     }
1254
1255     /**
1256      * Shows the information of the {@link OCFile} received as a
1257      * parameter in the second fragment.
1258      *
1259      * @param file {@link OCFile} whose details will be shown
1260      */
1261     @Override
1262     public void showDetails(OCFile file) {
1263         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1264         setSecondFragment(detailFragment);
1265         updateFragmentsVisibility(true);
1266         updateNavigationElementsInActionBar(file);
1267         setFile(file);
1268     }
1269
1270
1271     /**
1272      * TODO
1273      */
1274     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1275         ActionBar actionBar = getSupportActionBar();
1276         if (chosenFile == null || mDualPane) {
1277             // only list of files - set for browsing through folders
1278             OCFile currentDir = getCurrentDir();
1279             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1280             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1281             actionBar.setDisplayShowTitleEnabled(!noRoot);
1282             if (!noRoot) {
1283                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1284             }
1285             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1286             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1287
1288         } else {
1289             actionBar.setDisplayHomeAsUpEnabled(true);
1290             actionBar.setDisplayShowTitleEnabled(true);
1291             actionBar.setTitle(chosenFile.getFileName());
1292             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1293         }
1294     }
1295
1296
1297     @Override
1298     protected ServiceConnection newTransferenceServiceConnection() {
1299         return new ListServiceConnection();
1300     }
1301
1302     /**
1303      * Defines callbacks for service binding, passed to bindService()
1304      */
1305     private class ListServiceConnection implements ServiceConnection {
1306
1307         @Override
1308         public void onServiceConnected(ComponentName component, IBinder service) {
1309             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1310                 Log_OC.d(TAG, "Download service connected");
1311                 mDownloaderBinder = (FileDownloaderBinder) service;
1312                 if (mWaitingToPreview != null)
1313                     if (getStorageManager() != null) {
1314                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1315                         if (!mWaitingToPreview.isDown()) {
1316                             requestForDownload();
1317                         }
1318                     }
1319
1320             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1321                 Log_OC.d(TAG, "Upload service connected");
1322                 mUploaderBinder = (FileUploaderBinder) service;
1323             } else {
1324                 return;
1325             }
1326             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1327             OCFileListFragment listOfFiles = getListOfFilesFragment();
1328             if (listOfFiles != null) {
1329                 listOfFiles.listDirectory();
1330             }
1331             FileFragment secondFragment = getSecondFragment();
1332             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1333                 FileDetailFragment detailFragment = (FileDetailFragment) secondFragment;
1334                 detailFragment.listenForTransferProgress();
1335                 detailFragment.updateFileDetails(false, false);
1336             }
1337         }
1338
1339         @Override
1340         public void onServiceDisconnected(ComponentName component) {
1341             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1342                 Log_OC.d(TAG, "Download service disconnected");
1343                 mDownloaderBinder = null;
1344             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1345                 Log_OC.d(TAG, "Upload service disconnected");
1346                 mUploaderBinder = null;
1347             }
1348         }
1349     }
1350
1351     ;
1352
1353
1354     /**
1355      * Launch an intent to request the PIN code to the user before letting him use the app
1356      */
1357     private void requestPinCode() {
1358         boolean pinStart = false;
1359         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1360         pinStart = appPrefs.getBoolean("set_pincode", false);
1361         if (pinStart) {
1362             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1363             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1364             startActivity(i);
1365         }
1366     }
1367
1368
1369     @Override
1370     public void onSavedCertificate() {
1371         startSyncFolderOperation(getCurrentDir(), false);
1372     }
1373
1374
1375     @Override
1376     public void onFailedSavingCertificate() {
1377         showDialog(DIALOG_CERT_NOT_SAVED);
1378     }
1379
1380     @Override
1381     public void onCancelCertificate() {
1382         // nothing to do
1383     }
1384
1385     /**
1386      * Updates the view associated to the activity after the finish of some operation over files
1387      * in the current account.
1388      *
1389      * @param operation Removal operation performed.
1390      * @param result    Result of the removal.
1391      */
1392     @Override
1393     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1394         super.onRemoteOperationFinish(operation, result);
1395
1396         if (operation instanceof RemoveFileOperation) {
1397             onRemoveFileOperationFinish((RemoveFileOperation) operation, result);
1398
1399         } else if (operation instanceof RenameFileOperation) {
1400             onRenameFileOperationFinish((RenameFileOperation) operation, result);
1401
1402         } else if (operation instanceof SynchronizeFileOperation) {
1403             onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
1404
1405         } else if (operation instanceof CreateFolderOperation) {
1406             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
1407
1408         } else if (operation instanceof CreateShareOperation) {
1409             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1410
1411         } else if (operation instanceof UnshareLinkOperation) {
1412             onUnshareLinkOperationFinish((UnshareLinkOperation) operation, result);
1413
1414         } else if (operation instanceof MoveFileOperation) {
1415             onMoveFileOperationFinish((MoveFileOperation) operation, result);
1416         }
1417
1418     }
1419
1420
1421     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1422         if (result.isSuccess()) {
1423             refreshShowDetails();
1424             refreshListOfFilesFragment();
1425         }
1426     }
1427
1428
1429     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1430         if (result.isSuccess()) {
1431             refreshShowDetails();
1432             refreshListOfFilesFragment();
1433
1434         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1435             cleanSecondFragment();
1436             refreshListOfFilesFragment();
1437         }
1438     }
1439
1440     private void refreshShowDetails() {
1441         FileFragment details = getSecondFragment();
1442         if (details != null) {
1443             OCFile file = details.getFile();
1444             if (file != null) {
1445                 file = getStorageManager().getFileByPath(file.getRemotePath());
1446                 if (details instanceof PreviewMediaFragment) {
1447                     // Refresh  OCFile of the fragment
1448                     ((PreviewMediaFragment) details).updateFile(file);
1449                 } else {
1450                     showDetails(file);
1451                 }
1452             }
1453             invalidateOptionsMenu();
1454         }
1455     }
1456
1457     /**
1458      * Updates the view associated to the activity after the finish of an operation trying to remove a
1459      * file.
1460      *
1461      * @param operation Removal operation performed.
1462      * @param result    Result of the removal.
1463      */
1464     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1465         dismissLoadingDialog();
1466
1467         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1468                 Toast.LENGTH_LONG);
1469         msg.show();
1470
1471         if (result.isSuccess()) {
1472             OCFile removedFile = operation.getFile();
1473             FileFragment second = getSecondFragment();
1474             if (second != null && removedFile.equals(second.getFile())) {
1475                 if (second instanceof PreviewMediaFragment) {
1476                     ((PreviewMediaFragment) second).stopPreview(true);
1477                 }
1478                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1479                 cleanSecondFragment();
1480             }
1481             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1482                 refreshListOfFilesFragment();
1483             }
1484             invalidateOptionsMenu();
1485         } else {
1486             if (result.isSslRecoverableException()) {
1487                 mLastSslUntrustedServerResult = result;
1488                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1489             }
1490         }
1491     }
1492
1493
1494     /**
1495      * Updates the view associated to the activity after the finish of an operation trying to move a
1496      * file.
1497      *
1498      * @param operation Move operation performed.
1499      * @param result    Result of the move operation.
1500      */
1501     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1502         if (result.isSuccess()) {
1503             dismissLoadingDialog();
1504             refreshListOfFilesFragment();
1505         } else {
1506             dismissLoadingDialog();
1507             try {
1508                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1509                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1510                         Toast.LENGTH_LONG);
1511                 msg.show();
1512
1513             } catch (NotFoundException e) {
1514                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1515             }
1516         }
1517     }
1518
1519
1520     /**
1521      * Updates the view associated to the activity after the finish of an operation trying to rename a
1522      * file.
1523      *
1524      * @param operation Renaming operation performed.
1525      * @param result    Result of the renaming.
1526      */
1527     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1528         dismissLoadingDialog();
1529         OCFile renamedFile = operation.getFile();
1530         if (result.isSuccess()) {
1531             FileFragment details = getSecondFragment();
1532             if (details != null) {
1533                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile())) {
1534                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1535                     showDetails(renamedFile);
1536
1537                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1538                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1539                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1540                         int position = ((PreviewMediaFragment) details).getPosition();
1541                         startMediaPreview(renamedFile, position, true);
1542                     } else {
1543                         getFileOperationsHelper().openFile(renamedFile);
1544                     }
1545                 } else if (details instanceof PreviewTextFragment && renamedFile.equals(details.getFile())) {
1546                     ((PreviewTextFragment) details).updateFile(renamedFile);
1547                     if (PreviewTextFragment.canBePreviewed(renamedFile)) {
1548                         startTextPreview(renamedFile);
1549                     } else {
1550                         getFileOperationsHelper().openFile(renamedFile);
1551                     }
1552                 }
1553             }
1554
1555             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1556                 refreshListOfFilesFragment();
1557             }
1558
1559         } else {
1560             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1561                     Toast.LENGTH_LONG);
1562             msg.show();
1563
1564             if (result.isSslRecoverableException()) {
1565                 mLastSslUntrustedServerResult = result;
1566                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1567             }
1568         }
1569     }
1570
1571     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1572         dismissLoadingDialog();
1573         OCFile syncedFile = operation.getLocalFile();
1574         if (!result.isSuccess()) {
1575             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1576                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1577                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1578                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1579                 startActivity(i);
1580
1581             }
1582
1583         } else {
1584             if (operation.transferWasRequested()) {
1585                 onTransferStateChanged(syncedFile, true, true);
1586
1587             } else {
1588                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1589                         Toast.LENGTH_LONG);
1590                 msg.show();
1591             }
1592         }
1593     }
1594
1595     /**
1596      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1597      *
1598      * @param operation Creation operation performed.
1599      * @param result    Result of the creation.
1600      */
1601     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1602         if (result.isSuccess()) {
1603             dismissLoadingDialog();
1604             refreshListOfFilesFragment();
1605         } else {
1606             dismissLoadingDialog();
1607             try {
1608                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1609                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1610                         Toast.LENGTH_LONG);
1611                 msg.show();
1612
1613             } catch (NotFoundException e) {
1614                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1615             }
1616         }
1617     }
1618
1619
1620     /**
1621      * {@inheritDoc}
1622      */
1623     @Override
1624     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1625         refreshListOfFilesFragment();
1626         FileFragment details = getSecondFragment();
1627         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile())) {
1628             if (downloading || uploading) {
1629                 ((FileDetailFragment) details).updateFileDetails(file, getAccount());
1630             } else {
1631                 if (!file.fileExists()) {
1632                     cleanSecondFragment();
1633                 } else {
1634                     ((FileDetailFragment) details).updateFileDetails(false, true);
1635                 }
1636             }
1637         }
1638
1639     }
1640
1641
1642     private void requestForDownload() {
1643         Account account = getAccount();
1644         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1645             Intent i = new Intent(this, FileDownloader.class);
1646             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1647             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1648             startService(i);
1649         }
1650     }
1651
1652
1653     private OCFile getCurrentDir() {
1654         OCFile file = getFile();
1655         if (file != null) {
1656             if (file.isFolder()) {
1657                 return file;
1658             } else if (getStorageManager() != null) {
1659                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1660                 return getStorageManager().getFileByPath(parentPath);
1661             }
1662         }
1663         return null;
1664     }
1665
1666     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1667         long currentSyncTime = System.currentTimeMillis();
1668
1669         mSyncInProgress = true;
1670
1671         // perform folder synchronization
1672         RemoteOperation synchFolderOp = new SynchronizeFolderOperation(folder,
1673                 currentSyncTime,
1674                 false,
1675                 getFileOperationsHelper().isSharedSupported(),
1676                 ignoreETag,
1677                 getStorageManager(),
1678                 getAccount(),
1679                 getApplicationContext()
1680         );
1681         synchFolderOp.execute(getAccount(), this, null, null);
1682
1683         setSupportProgressBarIndeterminateVisibility(true);
1684
1685         setBackgroundText();
1686     }
1687
1688     /**
1689      * Show untrusted cert dialog
1690      */
1691     public void showUntrustedCertDialog(RemoteOperationResult result) {
1692         // Show a dialog with the certificate info
1693         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException) result.getException());
1694         FragmentManager fm = getSupportFragmentManager();
1695         FragmentTransaction ft = fm.beginTransaction();
1696         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1697     }
1698
1699     private void requestForDownload(OCFile file) {
1700         Account account = getAccount();
1701         if (!mDownloaderBinder.isDownloading(account, file)) {
1702             Intent i = new Intent(this, FileDownloader.class);
1703             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1704             i.putExtra(FileDownloader.EXTRA_FILE, file);
1705             startService(i);
1706         }
1707     }
1708
1709     private void sendDownloadedFile() {
1710         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1711         mWaitingToSend = null;
1712     }
1713
1714
1715     /**
1716      * Requests the download of the received {@link OCFile} , updates the UI
1717      * to monitor the download progress and prepares the activity to send the file
1718      * when the download finishes.
1719      *
1720      * @param file {@link OCFile} to download and preview.
1721      */
1722     public void startDownloadForSending(OCFile file) {
1723         mWaitingToSend = file;
1724         requestForDownload(mWaitingToSend);
1725         boolean hasSecondFragment = (getSecondFragment() != null);
1726         updateFragmentsVisibility(hasSecondFragment);
1727     }
1728
1729     /**
1730      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1731      *
1732      * @param file Image {@link OCFile} to show.
1733      */
1734     public void startImagePreview(OCFile file) {
1735         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1736         showDetailsIntent.putExtra(EXTRA_FILE, file);
1737         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1738         startActivity(showDetailsIntent);
1739     }
1740
1741     /**
1742      * Stars the preview of an already down media {@link OCFile}.
1743      *
1744      * @param file                  Media {@link OCFile} to preview.
1745      * @param startPlaybackPosition Media position where the playback will be started, in milliseconds.
1746      * @param autoplay              When 'true', the playback will start without user interactions.
1747      */
1748     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1749         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1750         setSecondFragment(mediaFragment);
1751         updateFragmentsVisibility(true);
1752         updateNavigationElementsInActionBar(file);
1753         setFile(file);
1754     }
1755
1756     /**
1757      * Stars the preview of a text file {@link OCFile}.
1758      *
1759      * @param file Text {@link OCFile} to preview.
1760      */
1761     public void startTextPreview(OCFile file) {
1762         Bundle args = new Bundle();
1763         args.putParcelable(EXTRA_FILE, file);
1764         args.putParcelable(EXTRA_ACCOUNT, getAccount());
1765         Fragment textPreviewFragment = Fragment.instantiate(getApplicationContext(), PreviewTextFragment.class.getName(), args);
1766         setSecondFragment(textPreviewFragment);
1767         updateFragmentsVisibility(true);
1768         updateNavigationElementsInActionBar(file);
1769         setFile(file);
1770     }
1771
1772     /**
1773      * Requests the download of the received {@link OCFile} , updates the UI
1774      * to monitor the download progress and prepares the activity to preview
1775      * or open the file when the download finishes.
1776      *
1777      * @param file {@link OCFile} to download and preview.
1778      */
1779     public void startDownloadForPreview(OCFile file) {
1780         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1781         setSecondFragment(detailFragment);
1782         mWaitingToPreview = file;
1783         requestForDownload();
1784         updateFragmentsVisibility(true);
1785         updateNavigationElementsInActionBar(file);
1786         setFile(file);
1787     }
1788
1789
1790     public void cancelTransference(OCFile file) {
1791         getFileOperationsHelper().cancelTransference(file);
1792         if (mWaitingToPreview != null &&
1793                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1794             mWaitingToPreview = null;
1795         }
1796         if (mWaitingToSend != null &&
1797                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1798             mWaitingToSend = null;
1799         }
1800         onTransferStateChanged(file, false, false);
1801     }
1802
1803     @Override
1804     public void onRefresh(boolean ignoreETag) {
1805         refreshList(ignoreETag);
1806     }
1807
1808     @Override
1809     public void onRefresh() {
1810         refreshList(true);
1811     }
1812
1813     private void refreshList(boolean ignoreETag) {
1814         OCFileListFragment listOfFiles = getListOfFilesFragment();
1815         if (listOfFiles != null) {
1816             OCFile folder = listOfFiles.getCurrentFile();
1817             if (folder != null) {
1818                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1819                 listDirectory(mFile);*/
1820                 startSyncFolderOperation(folder, ignoreETag);
1821             }
1822         }
1823     }
1824
1825     private void sortByDate(boolean ascending) {
1826         getListOfFilesFragment().sortByDate(ascending);
1827     }
1828
1829     private void sortBySize(boolean ascending) {
1830         getListOfFilesFragment().sortBySize(ascending);
1831     }
1832
1833     private void sortByName(boolean ascending) {
1834         getListOfFilesFragment().sortByName(ascending);
1835     }
1836 }