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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22 import java.io.IOException;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.annotation.SuppressLint;
  29 import android.annotation.TargetApi;
  30 import android.app.AlertDialog;
  31 import android.app.Dialog;
  32 import android.app.ProgressDialog;
  33 import android.content.BroadcastReceiver;
  34 import android.content.ComponentName;
  35 import android.content.ContentResolver;
  36 import android.content.Context;
  37 import android.content.DialogInterface;
  38 import android.content.Intent;
  39 import android.content.IntentFilter;
  40 import android.content.ServiceConnection;
  41 import android.content.SharedPreferences;
  42 import android.content.SyncRequest;
  43 import android.content.res.Resources.NotFoundException;
  44 import android.database.Cursor;
  45 import android.net.Uri;
  46 import android.os.Build;
  47 import android.os.Bundle;
  48 import android.os.IBinder;
  49 import android.preference.PreferenceManager;
  50 import android.provider.MediaStore;
  51 import android.support.v4.app.Fragment;
  52 import android.support.v4.app.FragmentManager;
  53 import android.support.v4.app.FragmentTransaction;
  54 import android.view.View;
  55 import android.view.ViewGroup;
  56 import android.widget.ArrayAdapter;
  57 import android.widget.TextView;
  58 import android.widget.Toast;
  59
  60 import com.actionbarsherlock.app.ActionBar;
  61 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  62 import com.actionbarsherlock.view.Menu;
  63 import com.actionbarsherlock.view.MenuInflater;
  64 import com.actionbarsherlock.view.MenuItem;
  65 import com.actionbarsherlock.view.Window;
  66 import com.owncloud.android.BuildConfig;
  67 import com.owncloud.android.MainApp;
  68 import com.owncloud.android.R;
  69 import com.owncloud.android.datamodel.OCFile;
  70 import com.owncloud.android.files.services.FileDownloader;
  71 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  72 import com.owncloud.android.files.services.FileUploader;
  73 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  74 import com.owncloud.android.lib.common.OwnCloudAccount;
  75 import com.owncloud.android.lib.common.OwnCloudClient;
  76 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  77 import com.owncloud.android.lib.common.OwnCloudCredentials;
  78 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  79 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  80 import com.owncloud.android.lib.common.operations.RemoteOperation;
  81 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  82 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  83 import com.owncloud.android.lib.common.utils.Log_OC;
  84 import com.owncloud.android.operations.CreateFolderOperation;
  85 import com.owncloud.android.operations.CreateShareOperation;
  86 import com.owncloud.android.operations.MoveFileOperation;
  87 import com.owncloud.android.operations.RemoveFileOperation;
  88 import com.owncloud.android.operations.RenameFileOperation;
  89 import com.owncloud.android.operations.SynchronizeFileOperation;
  90 import com.owncloud.android.operations.SynchronizeFolderOperation;
  91 import com.owncloud.android.operations.UnshareLinkOperation;
  92 import com.owncloud.android.services.observer.FileObserverService;
  93 import com.owncloud.android.syncadapter.FileSyncAdapter;
  94 import com.owncloud.android.ui.adapter.FileListListAdapter;
  95 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  96 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  97 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  98 import com.owncloud.android.ui.fragment.FileDetailFragment;
  99 import com.owncloud.android.ui.fragment.FileFragment;
 100 import com.owncloud.android.ui.fragment.OCFileListFragment;
 101 import com.owncloud.android.ui.preview.PreviewImageActivity;
 102 import com.owncloud.android.ui.preview.PreviewImageFragment;
 103 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 104 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 105 import com.owncloud.android.utils.DisplayUtils;
 106 import com.owncloud.android.utils.ErrorMessageAdapter;
 107
 108
 109 /**
 110  * Displays, what files the user has available in his ownCloud.
 111  *
 112  * @author Bartek Przybylski
 113  * @author David A. Velasco
 114  */
 115
 116 public class FileDisplayActivity extends HookActivity implements
 117 FileFragment.ContainerActivity, OnNavigationListener,
 118 OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 119
 120     private ArrayAdapter<String> mDirectories;
 121
 122     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 123     private UploadFinishReceiver mUploadFinishReceiver;
 124     private DownloadFinishReceiver mDownloadFinishReceiver;
 125     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 126
 127     private boolean mDualPane;
 128     private View mLeftFragmentContainer;
 129     private View mRightFragmentContainer;
 130
 131     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 132     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 133     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 134
 135     public static final int DIALOG_SHORT_WAIT = 0;
 136     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 137     private static final int DIALOG_CERT_NOT_SAVED = 2;
 138
 139     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 140
 141     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 142     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 143     public static final int ACTION_MOVE_FILES = 3;
 144
 145     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 146
 147     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 148     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 149
 150     private OCFile mWaitingToPreview;
 151
 152     private boolean mSyncInProgress = false;
 153
 154     private String DIALOG_UNTRUSTED_CERT;
 155
 156     private OCFile mWaitingToSend;
 157
 158     @Override
 159     protected void onCreate(Bundle savedInstanceState) {
 160         Log_OC.d(TAG, "onCreate() start");
 161         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 162
 163         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 164
 165         // PIN CODE request ;  best location is to decide, let's try this first
 166         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 167             requestPinCode();
 168         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 169             requestPinCode();
 170         }
 171
 172         /// grant that FileObserverService is watching favourite files
 173         if (savedInstanceState == null) {
 174             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 175             startService(initObserversIntent);
 176         }
 177
 178         /// Load of saved instance state
 179         if(savedInstanceState != null) {
 180             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 181             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 182             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 183
 184         } else {
 185             mWaitingToPreview = null;
 186             mSyncInProgress = false;
 187             mWaitingToSend = null;
 188         }
 189
 190         /// USER INTERFACE
 191
 192         // Inflate and set the layout view
 193         setContentView(R.layout.files);
 194         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 195         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 196         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 197         if (savedInstanceState == null) {
 198             createMinFragments();
 199         }
 200
 201         // Action bar setup
 202         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 203         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 204         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 205
 206         setBackgroundText();
 207
 208         Log_OC.d(TAG, "onCreate() end");
 209     }
 210
 211     @Override
 212     protected void onStart() {
 213         super.onStart();
 214         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 215     }
 216
 217     @Override
 218     protected void onDestroy() {
 219         super.onDestroy();
 220     }
 221
 222     /**
 223      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 224      */
 225     @Override
 226     protected void onAccountSet(boolean stateWasRecovered) {
 227         super.onAccountSet(stateWasRecovered);
 228         if (getAccount() != null) {
 229             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 230             OCFile file = getFile();
 231             // get parent from path
 232             String parentPath = "";
 233             if (file != null) {
 234                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 235                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 236                     // get parent from path
 237                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 238                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 239                         file = null; // not able to know the directory where the file is uploading
 240                 } else {
 241                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 242                 }
 243             }
 244             if (file == null) {
 245                 // fall back to root folder
 246                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 247             }
 248             setFile(file);
 249             setNavigationListWithFolder(file);
 250
 251             if (!stateWasRecovered) {
 252                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 253                 initFragmentsWithFile();
 254                 if (file.isFolder()) {
 255                     startSyncFolderOperation(file, false);
 256                 }
 257
 258             } else {
 259                 updateFragmentsVisibility(!file.isFolder());
 260                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 261             }
 262         }
 263     }
 264
 265
 266     private void setNavigationListWithFolder(OCFile file) {
 267         mDirectories.clear();
 268         OCFile fileIt = file;
 269         String parentPath;
 270         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 271             if (fileIt.isFolder()) {
 272                 mDirectories.add(fileIt.getFileName());
 273             }
 274             // get parent from path
 275             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 276             fileIt = getStorageManager().getFileByPath(parentPath);
 277         }
 278         mDirectories.add(OCFile.PATH_SEPARATOR);
 279     }
 280
 281
 282     private void createMinFragments() {
 283         OCFileListFragment listOfFiles = new OCFileListFragment();
 284         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 285         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 286         transaction.commit();
 287     }
 288
 289     private void initFragmentsWithFile() {
 290         if (getAccount() != null && getFile() != null) {
 291             /// First fragment
 292             OCFileListFragment listOfFiles = getListOfFilesFragment();
 293             if (listOfFiles != null) {
 294                 listOfFiles.listDirectory(getCurrentDir());
 295             } else {
 296                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 297             }
 298
 299             /// Second fragment
 300             OCFile file = getFile();
 301             Fragment secondFragment = chooseInitialSecondFragment(file);
 302             if (secondFragment != null) {
 303                 setSecondFragment(secondFragment);
 304                 updateFragmentsVisibility(true);
 305                 updateNavigationElementsInActionBar(file);
 306
 307             } else {
 308                 cleanSecondFragment();
 309             }
 310
 311         } else {
 312             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 313             if (getAccount() == null) {
 314                 Log_OC.wtf(TAG, "\t account is NULL");
 315             }
 316             if (getFile() == null) {
 317                 Log_OC.wtf(TAG, "\t file is NULL");
 318             }
 319         }
 320     }
 321
 322     private Fragment chooseInitialSecondFragment(OCFile file) {
 323         Fragment secondFragment = null;
 324         if (file != null && !file.isFolder()) {
 325             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 326                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 327                     ) {
 328                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 329                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 330                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 331
 332             } else {
 333                 secondFragment = new FileDetailFragment(file, getAccount());
 334             }
 335         }
 336         return secondFragment;
 337     }
 338
 339
 340     /**
 341      * Replaces the second fragment managed by the activity with the received as
 342      * a parameter.
 343      *
 344      * Assumes never will be more than two fragments managed at the same time.
 345      *
 346      * @param fragment      New second Fragment to set.
 347      */
 348     private void setSecondFragment(Fragment fragment) {
 349         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 350         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 351         transaction.commit();
 352     }
 353
 354
 355     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 356         if (mDualPane) {
 357             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 358                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 359             }
 360             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 361                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 362             }
 363
 364         } else if (existsSecondFragment) {
 365             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 366                 mLeftFragmentContainer.setVisibility(View.GONE);
 367             }
 368             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 369                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 370             }
 371
 372         } else {
 373             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 374                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 375             }
 376             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 377                 mRightFragmentContainer.setVisibility(View.GONE);
 378             }
 379         }
 380     }
 381
 382
 383     private OCFileListFragment getListOfFilesFragment() {
 384         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 385         if (listOfFiles != null) {
 386             return (OCFileListFragment)listOfFiles;
 387         }
 388         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 389         return null;
 390     }
 391
 392     public FileFragment getSecondFragment() {
 393         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 394         if (second != null) {
 395             return (FileFragment)second;
 396         }
 397         return null;
 398     }
 399
 400     protected void cleanSecondFragment() {
 401         Fragment second = getSecondFragment();
 402         if (second != null) {
 403             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 404             tr.remove(second);
 405             tr.commit();
 406         }
 407         updateFragmentsVisibility(false);
 408         updateNavigationElementsInActionBar(null);
 409     }
 410
 411     protected void refreshListOfFilesFragment() {
 412         OCFileListFragment fileListFragment = getListOfFilesFragment();
 413         if (fileListFragment != null) {
 414             fileListFragment.listDirectory();
 415         }
 416     }
 417
 418     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 419         FileFragment secondFragment = getSecondFragment();
 420         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 421         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 422             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 423             OCFile fileInFragment = detailsFragment.getFile();
 424             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 425                 // the user browsed to other file ; forget the automatic preview
 426                 mWaitingToPreview = null;
 427
 428             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 429                 // grant that the right panel updates the progress bar
 430                 detailsFragment.listenForTransferProgress();
 431                 detailsFragment.updateFileDetails(true, false);
 432
 433             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 434                 //  update the right panel
 435                 boolean detailsFragmentChanged = false;
 436                 if (waitedPreview) {
 437                     if (success) {
 438                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 439                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 440                             startMediaPreview(mWaitingToPreview, 0, true);
 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         case R.id.action_sort: {
 511             SharedPreferences appPreferences = PreferenceManager
 512                     .getDefaultSharedPreferences(this);
 513
 514             // Read sorting order, default to sort by name ascending
 515             Integer sortOrder = appPreferences
 516                     .getInt("sortOrder", FileListListAdapter.SORT_NAME);
 517
 518             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 519             builder.setTitle(R.string.actionbar_sort_title)
 520             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 521                 public void onClick(DialogInterface dialog, int which) {
 522
 523                     switch (which){
 524                     case 0:
 525                         sortByName(true);
 526                         break;
 527                     case 1:
 528                         sortByDate(false);
 529                         break;
 530
 531 // TODO re-enable when server-side folder size calculation is available
 532 //                    case 2:
 533 //                        sortBySize(false);
 534 //                        break;
 535                     }
 536
 537                     dialog.dismiss();
 538
 539                 }
 540             });
 541             builder.create().show();
 542             break;
 543         }
 544         default:
 545             retval = super.onOptionsItemSelected(item);
 546         }
 547         return retval;
 548     }
 549
 550     private void startSynchronization() {
 551         Log_OC.e(TAG, "Got to start sync");
 552         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 553             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 554             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 555             Bundle bundle = new Bundle();
 556             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 557             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 558             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 559             ContentResolver.requestSync(
 560                     getAccount(),
 561                     MainApp.getAuthority(), bundle);
 562         } else {
 563             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 564             SyncRequest.Builder builder = new SyncRequest.Builder();
 565             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 566             builder.setExpedited(true);
 567             builder.setManual(true);
 568             builder.syncOnce();
 569             SyncRequest request = builder.build();
 570             ContentResolver.requestSync(request);
 571         }
 572     }
 573
 574
 575     @Override
 576     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 577         if (itemPosition != 0) {
 578             String targetPath = "";
 579             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 580                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 581             }
 582             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 583             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 584             if (targetFolder != null) {
 585                 browseTo(targetFolder);
 586             }
 587
 588             // the next operation triggers a new call to this method, but it's necessary to
 589             // ensure that the name exposed in the action bar is the current directory when the
 590             // user selected it in the navigation list
 591             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 592                 getSupportActionBar().setSelectedNavigationItem(0);
 593         }
 594         return true;
 595     }
 596
 597     /**
 598      * Called, when the user selected something for uploading
 599      *
 600      */
 601     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 602     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 603         super.onActivityResult(requestCode, resultCode, data);
 604
 605         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 606             //getClipData is only supported on api level 16+
 607             if (data.getData() == null && Build.VERSION.SDK_INT >= 16){
 608                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 609                     Intent intent = new Intent();
 610                     intent.setData(data.getClipData().getItemAt(i).getUri());
 611                     requestSimpleUpload(intent, resultCode);
 612                 }
 613             }else {
 614                 requestSimpleUpload(data, resultCode);
 615             }
 616         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 617             requestMultipleUpload(data, resultCode);
 618
 619         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 620                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)){
 621
 622             final Intent fData = data;
 623             final int fResultCode = resultCode;
 624             getHandler().postDelayed(
 625                 new Runnable() {
 626                     @Override
 627                     public void run() {
 628                         requestMoveOperation(fData, fResultCode);
 629                     }
 630                 },
 631                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 632             );
 633         }
 634     }
 635
 636     private void requestMultipleUpload(Intent data, int resultCode) {
 637         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 638         if (filePaths != null) {
 639             String[] remotePaths = new String[filePaths.length];
 640             String remotePathBase = "";
 641             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 642                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 643             }
 644             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 645                 remotePathBase += OCFile.PATH_SEPARATOR;
 646             for (int j = 0; j< remotePaths.length; j++) {
 647                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 648             }
 649
 650             Intent i = new Intent(this, FileUploader.class);
 651             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 652             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 653             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 654             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 655             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 656                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 657             startService(i);
 658
 659         } else {
 660             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 661             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 662             t.show();
 663             return;
 664         }
 665     }
 666
 667
 668     private void requestSimpleUpload(Intent data, int resultCode) {
 669         String filepath = null;
 670         try {
 671             Uri selectedImageUri = data.getData();
 672
 673             String filemanagerstring = selectedImageUri.getPath();
 674             String selectedImagePath = getPath(selectedImageUri);
 675
 676             if (selectedImagePath != null)
 677                 filepath = selectedImagePath;
 678             else
 679                 filepath = filemanagerstring;
 680
 681         } catch (Exception e) {
 682             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 683             e.printStackTrace();
 684
 685         } finally {
 686             if (filepath == null) {
 687                 Log_OC.e(TAG, "Couldnt resolve path to file");
 688                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 689                 t.show();
 690                 return;
 691             }
 692         }
 693
 694         Intent i = new Intent(this, FileUploader.class);
 695         i.putExtra(FileUploader.KEY_ACCOUNT,
 696                 getAccount());
 697         String remotepath = new String();
 698         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 699             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 700         }
 701         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 702             remotepath += OCFile.PATH_SEPARATOR;
 703         remotepath += new File(filepath).getName();
 704
 705         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 706         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 707         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 708         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 709             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 710         startService(i);
 711     }
 712
 713     /**
 714      * Request the operation for moving the file/folder from one path to another
 715      *
 716      * @param data              Intent received
 717      * @param resultCode        Result code received
 718      */
 719     private void requestMoveOperation(Intent data, int resultCode) {
 720         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 721         OCFile targetFile = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_TARGET_FILE);
 722         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 723     }
 724
 725     @Override
 726     public void onBackPressed() {
 727         OCFileListFragment listOfFiles = getListOfFilesFragment();
 728         if (mDualPane || getSecondFragment() == null) {
 729             if (listOfFiles != null) {  // should never be null, indeed
 730                 if (mDirectories.getCount() <= 1) {
 731                     finish();
 732                     return;
 733                 }
 734                 int levelsUp = listOfFiles.onBrowseUp();
 735                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 736                     popDirname();
 737                 }
 738             }
 739         }
 740         if (listOfFiles != null) {  // should never be null, indeed
 741             setFile(listOfFiles.getCurrentFile());
 742         }
 743         cleanSecondFragment();
 744
 745     }
 746
 747     @Override
 748     protected void onSaveInstanceState(Bundle outState) {
 749         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 750         Log_OC.e(TAG, "onSaveInstanceState() start");
 751         super.onSaveInstanceState(outState);
 752         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 753         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 754         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 755         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 756
 757         Log_OC.d(TAG, "onSaveInstanceState() end");
 758     }
 759
 760
 761
 762     @Override
 763     protected void onResume() {
 764         super.onResume();
 765         Log_OC.e(TAG, "onResume() start");
 766
 767         // refresh list of files
 768         refreshListOfFilesFragment();
 769
 770         // Listen for sync messages
 771         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 772         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 773         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 774         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 775         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 776         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 777         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 778         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 779
 780         // Listen for upload messages
 781         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 782         mUploadFinishReceiver = new UploadFinishReceiver();
 783         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 784
 785         // Listen for download messages
 786         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 787         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 788         mDownloadFinishReceiver = new DownloadFinishReceiver();
 789         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 790
 791         Log_OC.d(TAG, "onResume() end");
 792     }
 793
 794
 795     @Override
 796     protected void onPause() {
 797         Log_OC.e(TAG, "onPause() start");
 798         if (mSyncBroadcastReceiver != null) {
 799             unregisterReceiver(mSyncBroadcastReceiver);
 800             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 801             mSyncBroadcastReceiver = null;
 802         }
 803         if (mUploadFinishReceiver != null) {
 804             unregisterReceiver(mUploadFinishReceiver);
 805             mUploadFinishReceiver = null;
 806         }
 807         if (mDownloadFinishReceiver != null) {
 808             unregisterReceiver(mDownloadFinishReceiver);
 809             mDownloadFinishReceiver = null;
 810         }
 811
 812
 813         Log_OC.d(TAG, "onPause() end");
 814         super.onPause();
 815     }
 816
 817
 818     @Override
 819     protected Dialog onCreateDialog(int id) {
 820         Dialog dialog = null;
 821         AlertDialog.Builder builder;
 822         switch (id) {
 823         case DIALOG_SHORT_WAIT: {
 824             ProgressDialog working_dialog = new ProgressDialog(this);
 825             working_dialog.setMessage(getResources().getString(
 826                     R.string.wait_a_moment));
 827             working_dialog.setIndeterminate(true);
 828             working_dialog.setCancelable(false);
 829             dialog = working_dialog;
 830             break;
 831         }
 832         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 833
 834
 835             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 836                     getString(R.string.actionbar_upload_from_apps) };
 837
 838             builder = new AlertDialog.Builder(this);
 839             builder.setTitle(R.string.actionbar_upload);
 840             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 841                 public void onClick(DialogInterface dialog, int item) {
 842                     if (item == 0) {
 843                         // if (!mDualPane) {
 844                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 845                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 846                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 847                             // } else {
 848                             // TODO create and handle new fragment
 849                             // LocalFileListFragment
 850                             // }
 851                     } else if (item == 1) {
 852                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 853                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 854                         //putExtra is only supported on api level 18+
 855                         if(Build.VERSION.SDK_INT >= 18) {
 856                             action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 857                         }
 858                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 859                                 ACTION_SELECT_CONTENT_FROM_APPS);
 860                     }
 861                 }
 862             });
 863             dialog = builder.create();
 864             break;
 865         }
 866         case DIALOG_CERT_NOT_SAVED: {
 867             builder = new AlertDialog.Builder(this);
 868             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 869             builder.setCancelable(false);
 870             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 871                 @Override
 872                 public void onClick(DialogInterface dialog, int which) {
 873                     dialog.dismiss();
 874                 };
 875             });
 876             dialog = builder.create();
 877             break;
 878         }
 879         default:
 880             dialog = null;
 881         }
 882
 883         return dialog;
 884     }
 885
 886
 887     /**
 888      * Translates a content URI of an image to a physical path
 889      * on the disk
 890      * @param uri The URI to resolve
 891      * @return The path to the image or null if it could not be found
 892      */
 893     public String getPath(Uri uri) {
 894         String[] projection = { MediaStore.Images.Media.DATA };
 895         Cursor cursor = managedQuery(uri, projection, null, null, null);
 896         if (cursor != null) {
 897             int column_index = cursor
 898                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 899             cursor.moveToFirst();
 900             return cursor.getString(column_index);
 901         }
 902         return null;
 903     }
 904
 905     /**
 906      * Pushes a directory to the drop down list
 907      * @param directory to push
 908      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 909      */
 910     public void pushDirname(OCFile directory) {
 911         if(!directory.isFolder()){
 912             throw new IllegalArgumentException("Only directories may be pushed!");
 913         }
 914         mDirectories.insert(directory.getFileName(), 0);
 915         setFile(directory);
 916     }
 917
 918     /**
 919      * Pops a directory name from the drop down list
 920      * @return True, unless the stack is empty
 921      */
 922     public boolean popDirname() {
 923         mDirectories.remove(mDirectories.getItem(0));
 924         return !mDirectories.isEmpty();
 925     }
 926
 927     // Custom array adapter to override text colors
 928     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 929
 930         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 931             super(ctx, view);
 932         }
 933
 934         public View getView(int position, View convertView, ViewGroup parent) {
 935             View v = super.getView(position, convertView, parent);
 936
 937             ((TextView) v).setTextColor(getResources().getColorStateList(
 938                     android.R.color.white));
 939
 940             fixRoot((TextView) v );
 941             return v;
 942         }
 943
 944         public View getDropDownView(int position, View convertView,
 945                 ViewGroup parent) {
 946             View v = super.getDropDownView(position, convertView, parent);
 947
 948             ((TextView) v).setTextColor(getResources().getColorStateList(
 949                     android.R.color.white));
 950
 951             fixRoot((TextView) v );
 952             return v;
 953         }
 954
 955         private void fixRoot(TextView v) {
 956             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 957                 v.setText(R.string.default_display_name_for_root_folder);
 958             }
 959         }
 960
 961     }
 962
 963     private class SyncBroadcastReceiver extends BroadcastReceiver {
 964
 965         /**
 966          * {@link BroadcastReceiver} to enable syncing feedback in UI
 967          */
 968         @Override
 969         public void onReceive(Context context, Intent intent) {
 970             try {
 971                 String event = intent.getAction();
 972                 Log_OC.d(TAG, "Received broadcast " + event);
 973                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 974                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 975                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 976                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 977
 978                 if (sameAccount) {
 979
 980                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 981                         mSyncInProgress = true;
 982
 983                     } else {
 984                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 985                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 986
 987                         if (currentDir == null) {
 988                             // current folder was removed from the server
 989                             Toast.makeText( FileDisplayActivity.this,
 990                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 991                                             Toast.LENGTH_LONG)
 992                                 .show();
 993                             browseToRoot();
 994
 995                         } else {
 996                             if (currentFile == null && !getFile().isFolder()) {
 997                                 // currently selected file was removed in the server, and now we know it
 998                                 cleanSecondFragment();
 999                                 currentFile = currentDir;
1000                             }
1001
1002                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1003                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1004                                 if (fileListFragment != null) {
1005                                     fileListFragment.listDirectory(currentDir);
1006                                 }
1007                             }
1008                             setFile(currentFile);
1009                         }
1010
1011                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1012
1013                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1014                                     equals(event) &&
1015                                 /// TODO refactor and make common
1016                                 synchResult != null && !synchResult.isSuccess() &&
1017                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1018                                     synchResult.isIdPRedirection()                  ||
1019                                     (synchResult.isException() && synchResult.getException()
1020                                             instanceof AuthenticatorException))) {
1021
1022                             OwnCloudClient client = null;
1023                             try {
1024                                 OwnCloudAccount ocAccount =
1025                                         new OwnCloudAccount(getAccount(), context);
1026                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1027                                         removeClientFor(ocAccount));
1028                                 // TODO get rid of these exceptions
1029                             } catch (AccountNotFoundException e) {
1030                                 e.printStackTrace();
1031                             } catch (AuthenticatorException e) {
1032                                 e.printStackTrace();
1033                             } catch (OperationCanceledException e) {
1034                                 e.printStackTrace();
1035                             } catch (IOException e) {
1036                                 e.printStackTrace();
1037                             }
1038
1039                             if (client != null) {
1040                                 OwnCloudCredentials cred = client.getCredentials();
1041                                 if (cred != null) {
1042                                     AccountManager am = AccountManager.get(context);
1043                                     if (cred.authTokenExpires()) {
1044                                         am.invalidateAuthToken(
1045                                                 getAccount().type,
1046                                                 cred.getAuthToken()
1047                                         );
1048                                     } else {
1049                                         am.clearPassword(getAccount());
1050                                     }
1051                                 }
1052                             }
1053
1054                             requestCredentialsUpdate();
1055
1056                         }
1057                     }
1058                     removeStickyBroadcast(intent);
1059                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1060                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1061
1062                     setBackgroundText();
1063
1064                 }
1065
1066                 if (synchResult != null) {
1067                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1068                         mLastSslUntrustedServerResult = synchResult;
1069                     }
1070                 }
1071             } catch (RuntimeException e) {
1072                 // avoid app crashes after changing the serial id of RemoteOperationResult
1073                 // in owncloud library with broadcast notifications pending to process
1074                 removeStickyBroadcast(intent);
1075             }
1076         }
1077     }
1078
1079     /**
1080      * Show a text message on screen view for notifying user if content is
1081      * loading or folder is empty
1082      */
1083     private void setBackgroundText() {
1084         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1085         if (ocFileListFragment != null) {
1086             int message = R.string.file_list_loading;
1087             if (!mSyncInProgress) {
1088                 // In case file list is empty
1089                 message = R.string.file_list_empty;
1090             }
1091             ocFileListFragment.setMessageForEmptyList(getString(message));
1092         } else {
1093             Log_OC.e(TAG, "OCFileListFragment is null");
1094         }
1095     }
1096
1097     /**
1098      * Once the file upload has finished -> update view
1099      */
1100     private class UploadFinishReceiver extends BroadcastReceiver {
1101         /**
1102          * Once the file upload has finished -> update view
1103          *  @author David A. Velasco
1104          * {@link BroadcastReceiver} to enable upload feedback in UI
1105          */
1106         @Override
1107         public void onReceive(Context context, Intent intent) {
1108             try {
1109                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1110                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1111                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1112                 OCFile currentDir = getCurrentDir();
1113                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1114                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1115
1116                 if (sameAccount && isDescendant) {
1117                     refreshListOfFilesFragment();
1118                 }
1119
1120                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1121                 boolean renamedInUpload = getFile().getRemotePath().
1122                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1123                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1124                         renamedInUpload;
1125                 FileFragment details = getSecondFragment();
1126                 boolean detailFragmentIsShown = (details != null &&
1127                         details instanceof FileDetailFragment);
1128
1129                 if (sameAccount && sameFile && detailFragmentIsShown) {
1130                     if (uploadWasFine) {
1131                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1132                     }
1133                     if (renamedInUpload) {
1134                         String newName = (new File(uploadedRemotePath)).getName();
1135                         Toast msg = Toast.makeText(
1136                                 context,
1137                                 String.format(
1138                                         getString(R.string.filedetails_renamed_in_upload_msg),
1139                                         newName),
1140                                 Toast.LENGTH_LONG);
1141                         msg.show();
1142                     }
1143                     if (uploadWasFine || getFile().fileExists()) {
1144                         ((FileDetailFragment)details).updateFileDetails(false, true);
1145                     } else {
1146                         cleanSecondFragment();
1147                     }
1148
1149                     // Force the preview if the file is an image
1150                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1151                         startImagePreview(getFile());
1152                     } // TODO what about other kind of previews?
1153                 }
1154
1155             } finally {
1156                 if (intent != null) {
1157                     removeStickyBroadcast(intent);
1158                 }
1159             }
1160
1161         }
1162
1163     }
1164
1165
1166     /**
1167      * Class waiting for broadcast events from the {@link FielDownloader} service.
1168      *
1169      * Updates the UI when a download is started or finished, provided that it is relevant for the
1170      * current folder.
1171      */
1172     private class DownloadFinishReceiver extends BroadcastReceiver {
1173         @Override
1174         public void onReceive(Context context, Intent intent) {
1175             try {
1176                 boolean sameAccount = isSameAccount(context, intent);
1177                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1178                 boolean isDescendant = isDescendant(downloadedRemotePath);
1179
1180                 if (sameAccount && isDescendant) {
1181                     refreshListOfFilesFragment();
1182                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1183                 }
1184
1185                 if (mWaitingToSend != null) {
1186                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1187                     if (mWaitingToSend.isDown()) {
1188                         sendDownloadedFile();
1189                     }
1190                 }
1191
1192             } finally {
1193                 if (intent != null) {
1194                     removeStickyBroadcast(intent);
1195                 }
1196             }
1197         }
1198
1199         private boolean isDescendant(String downloadedRemotePath) {
1200             OCFile currentDir = getCurrentDir();
1201             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1202         }
1203
1204         private boolean isSameAccount(Context context, Intent intent) {
1205             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1206             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1207         }
1208     }
1209
1210
1211     public void browseToRoot() {
1212         OCFileListFragment listOfFiles = getListOfFilesFragment();
1213         if (listOfFiles != null) {  // should never be null, indeed
1214             while (mDirectories.getCount() > 1) {
1215                 popDirname();
1216             }
1217             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1218             listOfFiles.listDirectory(root);
1219             setFile(listOfFiles.getCurrentFile());
1220             startSyncFolderOperation(root, false);
1221         }
1222         cleanSecondFragment();
1223     }
1224
1225
1226     public void browseTo(OCFile folder) {
1227         if (folder == null || !folder.isFolder()) {
1228             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1229         }
1230         OCFileListFragment listOfFiles = getListOfFilesFragment();
1231         if (listOfFiles != null) {
1232             setNavigationListWithFolder(folder);
1233             listOfFiles.listDirectory(folder);
1234             setFile(listOfFiles.getCurrentFile());
1235             startSyncFolderOperation(folder, false);
1236         } else {
1237             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1238         }
1239         cleanSecondFragment();
1240     }
1241
1242
1243     /**
1244      * {@inheritDoc}
1245      *
1246      * Updates action bar and second fragment, if in dual pane mode.
1247      */
1248     @Override
1249     public void onBrowsedDownTo(OCFile directory) {
1250         pushDirname(directory);
1251         cleanSecondFragment();
1252
1253         // Sync Folder
1254         startSyncFolderOperation(directory, false);
1255
1256     }
1257
1258     /**
1259      * Shows the information of the {@link OCFile} received as a
1260      * parameter in the second fragment.
1261      *
1262      * @param file          {@link OCFile} whose details will be shown
1263      */
1264     @Override
1265     public void showDetails(OCFile file) {
1266         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1267         setSecondFragment(detailFragment);
1268         updateFragmentsVisibility(true);
1269         updateNavigationElementsInActionBar(file);
1270         setFile(file);
1271     }
1272
1273
1274     /**
1275      * TODO
1276      */
1277     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1278         ActionBar actionBar = getSupportActionBar();
1279         if (chosenFile == null || mDualPane) {
1280             // only list of files - set for browsing through folders
1281             OCFile currentDir = getCurrentDir();
1282             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1283             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1284             actionBar.setDisplayShowTitleEnabled(!noRoot);
1285             if (!noRoot) {
1286                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1287             }
1288             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1289             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1290
1291         } else {
1292             actionBar.setDisplayHomeAsUpEnabled(true);
1293             actionBar.setDisplayShowTitleEnabled(true);
1294             actionBar.setTitle(chosenFile.getFileName());
1295             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1296         }
1297     }
1298
1299
1300     @Override
1301     protected ServiceConnection newTransferenceServiceConnection() {
1302         return new ListServiceConnection();
1303     }
1304
1305     /** Defines callbacks for service binding, passed to bindService() */
1306     private class ListServiceConnection implements ServiceConnection {
1307
1308         @Override
1309         public void onServiceConnected(ComponentName component, IBinder service) {
1310             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1311                 Log_OC.d(TAG, "Download service connected");
1312                 mDownloaderBinder = (FileDownloaderBinder) service;
1313                 if (mWaitingToPreview != null)
1314                     if (getStorageManager() != null) {
1315                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1316                         if (!mWaitingToPreview.isDown()) {
1317                             requestForDownload();
1318                         }
1319                 }
1320
1321             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1322                 Log_OC.d(TAG, "Upload service connected");
1323                 mUploaderBinder = (FileUploaderBinder) service;
1324             } else {
1325                 return;
1326             }
1327             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1328             OCFileListFragment listOfFiles = getListOfFilesFragment();
1329             if (listOfFiles != null) {
1330                 listOfFiles.listDirectory();
1331             }
1332             FileFragment secondFragment = getSecondFragment();
1333             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1334                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1335                 detailFragment.listenForTransferProgress();
1336                 detailFragment.updateFileDetails(false, false);
1337             }
1338         }
1339
1340         @Override
1341         public void onServiceDisconnected(ComponentName component) {
1342             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1343                 Log_OC.d(TAG, "Download service disconnected");
1344                 mDownloaderBinder = null;
1345             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1346                 Log_OC.d(TAG, "Upload service disconnected");
1347                 mUploaderBinder = null;
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                 }
1546             }
1547
1548             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1549                 refreshListOfFilesFragment();
1550             }
1551
1552         } else {
1553             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1554                     Toast.LENGTH_LONG);
1555             msg.show();
1556
1557             if (result.isSslRecoverableException()) {
1558                 mLastSslUntrustedServerResult = result;
1559                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1560             }
1561         }
1562     }
1563
1564     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1565         dismissLoadingDialog();
1566         OCFile syncedFile = operation.getLocalFile();
1567         if (!result.isSuccess()) {
1568             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1569                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1570                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1571                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1572                 startActivity(i);
1573
1574             }
1575
1576         } else {
1577             if (operation.transferWasRequested()) {
1578                 onTransferStateChanged(syncedFile, true, true);
1579
1580             } else {
1581                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1582                         Toast.LENGTH_LONG);
1583                 msg.show();
1584             }
1585         }
1586     }
1587
1588     /**
1589      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1590      *
1591      * @param operation     Creation operation performed.
1592      * @param result        Result of the creation.
1593      */
1594     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1595         if (result.isSuccess()) {
1596             dismissLoadingDialog();
1597             refreshListOfFilesFragment();
1598         } else {
1599             dismissLoadingDialog();
1600             try {
1601                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1602                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1603                         Toast.LENGTH_LONG);
1604                 msg.show();
1605
1606             } catch (NotFoundException e) {
1607                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1608             }
1609         }
1610     }
1611
1612
1613     /**
1614      * {@inheritDoc}
1615      */
1616     @Override
1617     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1618         refreshListOfFilesFragment();
1619         FileFragment details = getSecondFragment();
1620         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1621             if (downloading || uploading) {
1622                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1623             } else {
1624                 if (!file.fileExists()) {
1625                     cleanSecondFragment();
1626                 } else {
1627                     ((FileDetailFragment)details).updateFileDetails(false, true);
1628                 }
1629             }
1630         }
1631
1632     }
1633
1634
1635     private void requestForDownload() {
1636         Account account = getAccount();
1637         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1638             Intent i = new Intent(this, FileDownloader.class);
1639             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1640             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1641             startService(i);
1642         }
1643     }
1644
1645
1646     private OCFile getCurrentDir() {
1647         OCFile file = getFile();
1648         if (file != null) {
1649             if (file.isFolder()) {
1650                 return file;
1651             } else if (getStorageManager() != null) {
1652                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1653                 return getStorageManager().getFileByPath(parentPath);
1654             }
1655         }
1656         return null;
1657     }
1658
1659     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1660         long currentSyncTime = System.currentTimeMillis();
1661
1662         mSyncInProgress = true;
1663
1664         // perform folder synchronization
1665         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1666                                                                         currentSyncTime,
1667                                                                         false,
1668                                                                         getFileOperationsHelper().isSharedSupported(),
1669                                                                         ignoreETag,
1670                                                                         getStorageManager(),
1671                                                                         getAccount(),
1672                                                                         getApplicationContext()
1673                                                                       );
1674         synchFolderOp.execute(getAccount(), this, null, null);
1675
1676         setSupportProgressBarIndeterminateVisibility(true);
1677
1678         setBackgroundText();
1679     }
1680
1681     /**
1682      * Show untrusted cert dialog
1683      */
1684     public void showUntrustedCertDialog(RemoteOperationResult result) {
1685         // Show a dialog with the certificate info
1686         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1687         FragmentManager fm = getSupportFragmentManager();
1688         FragmentTransaction ft = fm.beginTransaction();
1689         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1690     }
1691
1692     private void requestForDownload(OCFile file) {
1693         Account account = getAccount();
1694         if (!mDownloaderBinder.isDownloading(account, file)) {
1695             Intent i = new Intent(this, FileDownloader.class);
1696             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1697             i.putExtra(FileDownloader.EXTRA_FILE, file);
1698             startService(i);
1699         }
1700     }
1701
1702     private void sendDownloadedFile(){
1703         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1704         mWaitingToSend = null;
1705     }
1706
1707
1708     /**
1709      * Requests the download of the received {@link OCFile} , updates the UI
1710      * to monitor the download progress and prepares the activity to send the file
1711      * when the download finishes.
1712      *
1713      * @param file          {@link OCFile} to download and preview.
1714      */
1715     public void startDownloadForSending(OCFile file) {
1716         mWaitingToSend = file;
1717         requestForDownload(mWaitingToSend);
1718         boolean hasSecondFragment = (getSecondFragment()!= null);
1719         updateFragmentsVisibility(hasSecondFragment);
1720     }
1721
1722     /**
1723      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1724      *
1725      * @param file                      Image {@link OCFile} to show.
1726      */
1727     public void startImagePreview(OCFile file) {
1728         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1729         showDetailsIntent.putExtra(EXTRA_FILE, file);
1730         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1731         startActivity(showDetailsIntent);
1732
1733     }
1734
1735     /**
1736      * Stars the preview of an already down media {@link OCFile}.
1737      *
1738      * @param file                      Media {@link OCFile} to preview.
1739      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1740      * @param autoplay                  When 'true', the playback will start without user interactions.
1741      */
1742     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1743         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1744         setSecondFragment(mediaFragment);
1745         updateFragmentsVisibility(true);
1746         updateNavigationElementsInActionBar(file);
1747         setFile(file);
1748     }
1749
1750     /**
1751      * Requests the download of the received {@link OCFile} , updates the UI
1752      * to monitor the download progress and prepares the activity to preview
1753      * or open the file when the download finishes.
1754      *
1755      * @param file          {@link OCFile} to download and preview.
1756      */
1757     public void startDownloadForPreview(OCFile file) {
1758         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1759         setSecondFragment(detailFragment);
1760         mWaitingToPreview = file;
1761         requestForDownload();
1762         updateFragmentsVisibility(true);
1763         updateNavigationElementsInActionBar(file);
1764         setFile(file);
1765     }
1766
1767
1768     public void cancelTransference(OCFile file) {
1769         getFileOperationsHelper().cancelTransference(file);
1770         if (mWaitingToPreview != null &&
1771                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1772             mWaitingToPreview = null;
1773         }
1774         if (mWaitingToSend != null &&
1775                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1776             mWaitingToSend = null;
1777         }
1778         onTransferStateChanged(file, false, false);
1779     }
1780
1781     @Override
1782     public void onRefresh(boolean ignoreETag) {
1783         refreshList(ignoreETag);
1784     }
1785
1786     @Override
1787     public void onRefresh() {
1788         refreshList(true);
1789     }
1790
1791     private void refreshList(boolean ignoreETag) {
1792         OCFileListFragment listOfFiles = getListOfFilesFragment();
1793         if (listOfFiles != null) {
1794             OCFile folder = listOfFiles.getCurrentFile();
1795             if (folder != null) {
1796                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1797                 listDirectory(mFile);*/
1798                 startSyncFolderOperation(folder, ignoreETag);
1799             }
1800         }
1801     }
1802
1803     private void sortByDate(boolean ascending){
1804         getListOfFilesFragment().sortByDate(ascending);
1805     }
1806
1807     private void sortBySize(boolean ascending){
1808         getListOfFilesFragment().sortBySize(ascending);
1809     }
1810
1811     private void sortByName(boolean ascending){
1812         getListOfFilesFragment().sortByName(ascending);
1813     }
1814 }