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