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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2011  Bartek Przybylski
   7  *   Copyright (C) 2015 ownCloud Inc.
   8  *
   9  *   This program is free software: you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License version 2,
  11  *   as published by the Free Software Foundation.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  */
  22
  23 package com.owncloud.android.ui.activity;
  24
  25 import java.io.File;
  26
  27 import android.accounts.Account;
  28 import android.accounts.AccountManager;
  29 import android.accounts.AuthenticatorException;
  30 import android.annotation.TargetApi;
  31 import android.app.AlertDialog;
  32 import android.app.Dialog;
  33 import android.app.ProgressDialog;
  34 import android.content.BroadcastReceiver;
  35 import android.content.ComponentName;
  36 import android.content.ContentResolver;
  37 import android.content.Context;
  38 import android.content.DialogInterface;
  39 import android.content.Intent;
  40 import android.content.IntentFilter;
  41 import android.content.ServiceConnection;
  42 import android.content.SharedPreferences;
  43 import android.content.SyncRequest;
  44 import android.content.res.Resources.NotFoundException;
  45 import android.database.Cursor;
  46 import android.net.Uri;
  47 import android.os.Build;
  48 import android.os.Bundle;
  49 import android.os.IBinder;
  50 import android.preference.PreferenceManager;
  51 import android.provider.OpenableColumns;
  52 import android.support.v4.app.Fragment;
  53 import android.support.v4.app.FragmentManager;
  54 import android.support.v4.app.FragmentTransaction;
  55 import android.view.View;
  56 import android.view.ViewGroup;
  57 import android.widget.ArrayAdapter;
  58 import android.widget.TextView;
  59 import android.widget.Toast;
  60
  61 import com.actionbarsherlock.app.ActionBar;
  62 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  63 import com.actionbarsherlock.view.Menu;
  64 import com.actionbarsherlock.view.MenuInflater;
  65 import com.actionbarsherlock.view.MenuItem;
  66 import com.actionbarsherlock.view.Window;
  67 import com.owncloud.android.BuildConfig;
  68 import com.owncloud.android.MainApp;
  69 import com.owncloud.android.R;
  70 import com.owncloud.android.datamodel.OCFile;
  71 import com.owncloud.android.files.services.FileDownloader;
  72 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  73 import com.owncloud.android.files.services.FileUploader;
  74 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  75 import com.owncloud.android.lib.common.OwnCloudAccount;
  76 import com.owncloud.android.lib.common.OwnCloudClient;
  77 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  78 import com.owncloud.android.lib.common.OwnCloudCredentials;
  79 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  80 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  81 import com.owncloud.android.lib.common.operations.RemoteOperation;
  82 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  83 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  84 import com.owncloud.android.lib.common.utils.Log_OC;
  85 import com.owncloud.android.operations.CreateFolderOperation;
  86 import com.owncloud.android.operations.CreateShareOperation;
  87 import com.owncloud.android.operations.MoveFileOperation;
  88 import com.owncloud.android.operations.RemoveFileOperation;
  89 import com.owncloud.android.operations.RenameFileOperation;
  90 import com.owncloud.android.operations.SynchronizeFileOperation;
  91 import com.owncloud.android.operations.RefreshFolderOperation;
  92 import com.owncloud.android.operations.UnshareLinkOperation;
  93 import com.owncloud.android.services.observer.FileObserverService;
  94 import com.owncloud.android.syncadapter.FileSyncAdapter;
  95 import com.owncloud.android.ui.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.dialog.UploadSourceDialogFragment;
  99 import com.owncloud.android.ui.fragment.FileDetailFragment;
 100 import com.owncloud.android.ui.fragment.FileFragment;
 101 import com.owncloud.android.ui.fragment.OCFileListFragment;
 102 import com.owncloud.android.ui.preview.PreviewImageActivity;
 103 import com.owncloud.android.ui.preview.PreviewImageFragment;
 104 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 105 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 106 import com.owncloud.android.utils.DisplayUtils;
 107 import com.owncloud.android.utils.ErrorMessageAdapter;
 108 import com.owncloud.android.utils.FileStorageUtils;
 109 import com.owncloud.android.utils.UriUtils;
 110
 111
 112 /**
 113  * Displays, what files the user has available in his ownCloud.
 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_CERT_NOT_SAVED = 2;
 137
 138     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 139
 140     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 141     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 142     public static final int ACTION_MOVE_FILES = 3;
 143
 144     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 145
 146     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 147     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 148
 149     private OCFile mWaitingToPreview;
 150
 151     private boolean mSyncInProgress = false;
 152
 153     private static String DIALOG_UNTRUSTED_CERT = "untrustedCertDialog";
 154
 155     private OCFile mWaitingToSend;
 156
 157     @Override
 158     protected void onCreate(Bundle savedInstanceState) {
 159         Log_OC.d(TAG, "onCreate() start");
 160         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 161
 162         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 163
 164         // PIN CODE request ;  best location is to decide, let's try this first
 165         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 166             requestPinCode();
 167         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 168             requestPinCode();
 169         }
 170
 171         /// grant that FileObserverService is watching favourite files
 172         if (savedInstanceState == null) {
 173             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 174             startService(initObserversIntent);
 175         }
 176
 177         /// Load of saved instance state
 178         if(savedInstanceState != null) {
 179             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 180             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 181             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 182
 183         } else {
 184             mWaitingToPreview = null;
 185             mSyncInProgress = false;
 186             mWaitingToSend = null;
 187         }
 188
 189         /// USER INTERFACE
 190
 191         // Inflate and set the layout view
 192         setContentView(R.layout.files);
 193         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 194         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 195         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 196         if (savedInstanceState == null) {
 197             createMinFragments();
 198         }
 199
 200         // Action bar setup
 201         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 202         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 203         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 204
 205         setBackgroundText();
 206
 207         Log_OC.d(TAG, "onCreate() end");
 208     }
 209
 210     @Override
 211     protected void onStart() {
 212         Log_OC.d(TAG, "onStart() start");
 213         super.onStart();
 214         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 215         Log_OC.d(TAG, "onStart() end");
 216     }
 217
 218     @Override
 219     protected void onDestroy() {
 220         super.onDestroy();
 221     }
 222
 223     /**
 224      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 225      */
 226     @Override
 227     protected void onAccountSet(boolean stateWasRecovered) {
 228         super.onAccountSet(stateWasRecovered);
 229         if (getAccount() != null) {
 230             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 231             OCFile file = getFile();
 232             // get parent from path
 233             String parentPath = "";
 234             if (file != null) {
 235                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 236                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 237                     // get parent from path
 238                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 239                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 240                         file = null; // not able to know the directory where the file is uploading
 241                 } else {
 242                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 243                 }
 244             }
 245             if (file == null) {
 246                 // fall back to root folder
 247                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 248             }
 249             setFile(file);
 250             setNavigationListWithFolder(file);
 251
 252             if (!stateWasRecovered) {
 253                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 254                 initFragmentsWithFile();
 255                 if (file.isFolder()) {
 256                     startSyncFolderOperation(file, false);
 257                 }
 258
 259             } else {
 260                 updateFragmentsVisibility(!file.isFolder());
 261                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 262             }
 263         }
 264     }
 265
 266
 267     private void setNavigationListWithFolder(OCFile file) {
 268         mDirectories.clear();
 269         OCFile fileIt = file;
 270         String parentPath;
 271         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 272             if (fileIt.isFolder()) {
 273                 mDirectories.add(fileIt.getFileName());
 274             }
 275             // get parent from path
 276             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 277             fileIt = getStorageManager().getFileByPath(parentPath);
 278         }
 279         mDirectories.add(OCFile.PATH_SEPARATOR);
 280     }
 281
 282
 283     private void createMinFragments() {
 284         OCFileListFragment listOfFiles = new OCFileListFragment();
 285         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 286         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 287         transaction.commit();
 288     }
 289
 290     private void initFragmentsWithFile() {
 291         if (getAccount() != null && getFile() != null) {
 292             /// First fragment
 293             OCFileListFragment listOfFiles = getListOfFilesFragment();
 294             if (listOfFiles != null) {
 295                 listOfFiles.listDirectory(getCurrentDir());
 296             } else {
 297                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 298             }
 299
 300             /// Second fragment
 301             OCFile file = getFile();
 302             Fragment secondFragment = chooseInitialSecondFragment(file);
 303             if (secondFragment != null) {
 304                 setSecondFragment(secondFragment);
 305                 updateFragmentsVisibility(true);
 306                 updateNavigationElementsInActionBar(file);
 307
 308             } else {
 309                 cleanSecondFragment();
 310             }
 311
 312         } else {
 313             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 314             if (getAccount() == null) {
 315                 Log_OC.wtf(TAG, "\t account is NULL");
 316             }
 317             if (getFile() == null) {
 318                 Log_OC.wtf(TAG, "\t file is NULL");
 319             }
 320         }
 321     }
 322
 323     private Fragment chooseInitialSecondFragment(OCFile file) {
 324         Fragment secondFragment = null;
 325         if (file != null && !file.isFolder()) {
 326             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 327                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 328                     ) {
 329                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 330                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 331                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 332
 333             } else {
 334                 secondFragment = new FileDetailFragment(file, getAccount());
 335             }
 336         }
 337         return secondFragment;
 338     }
 339
 340
 341     /**
 342      * Replaces the second fragment managed by the activity with the received as
 343      * a parameter.
 344      *
 345      * Assumes never will be more than two fragments managed at the same time.
 346      *
 347      * @param fragment      New second Fragment to set.
 348      */
 349     private void setSecondFragment(Fragment fragment) {
 350         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 351         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 352         transaction.commit();
 353     }
 354
 355
 356     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 357         if (mDualPane) {
 358             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 359                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 360             }
 361             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 362                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 363             }
 364
 365         } else if (existsSecondFragment) {
 366             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 367                 mLeftFragmentContainer.setVisibility(View.GONE);
 368             }
 369             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 370                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 371             }
 372
 373         } else {
 374             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 375                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 376             }
 377             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 378                 mRightFragmentContainer.setVisibility(View.GONE);
 379             }
 380         }
 381     }
 382
 383
 384     private OCFileListFragment getListOfFilesFragment() {
 385         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 386         if (listOfFiles != null) {
 387             return (OCFileListFragment)listOfFiles;
 388         }
 389         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 390         return null;
 391     }
 392
 393     public FileFragment getSecondFragment() {
 394         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 395         if (second != null) {
 396             return (FileFragment)second;
 397         }
 398         return null;
 399     }
 400
 401     protected void cleanSecondFragment() {
 402         Fragment second = getSecondFragment();
 403         if (second != null) {
 404             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 405             tr.remove(second);
 406             tr.commit();
 407         }
 408         updateFragmentsVisibility(false);
 409         updateNavigationElementsInActionBar(null);
 410     }
 411
 412     protected void refreshListOfFilesFragment() {
 413         OCFileListFragment fileListFragment = getListOfFilesFragment();
 414         if (fileListFragment != null) {
 415             fileListFragment.listDirectory();
 416         }
 417     }
 418
 419     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 420         FileFragment secondFragment = getSecondFragment();
 421         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 422         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 423             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 424             OCFile fileInFragment = detailsFragment.getFile();
 425             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 426                 // the user browsed to other file ; forget the automatic preview
 427                 mWaitingToPreview = null;
 428
 429             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 430                 // grant that the right panel updates the progress bar
 431                 detailsFragment.listenForTransferProgress();
 432                 detailsFragment.updateFileDetails(true, false);
 433
 434             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 435                 //  update the right panel
 436                 boolean detailsFragmentChanged = false;
 437                 if (waitedPreview) {
 438                     if (success) {
 439                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 440                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 441                             startMediaPreview(mWaitingToPreview, 0, true);
 442                             detailsFragmentChanged = true;
 443                         } else {
 444                             getFileOperationsHelper().openFile(mWaitingToPreview);
 445                         }
 446                     }
 447                     mWaitingToPreview = null;
 448                 }
 449                 if (!detailsFragmentChanged) {
 450                     detailsFragment.updateFileDetails(false, (success));
 451                 }
 452             }
 453         }
 454     }
 455
 456     @Override
 457     public boolean onPrepareOptionsMenu(Menu menu) {
 458         if (BuildConfig.DEBUG) {
 459             menu.findItem(R.id.action_logger).setVisible(true);
 460         } else {
 461             menu.findItem(R.id.action_logger).setVisible(false);
 462         }
 463         return super.onPrepareOptionsMenu(menu);
 464     }
 465
 466     @Override
 467     public boolean onCreateOptionsMenu(Menu menu) {
 468         MenuInflater inflater = getSherlock().getMenuInflater();
 469         inflater.inflate(R.menu.main_menu, menu);
 470         return true;
 471     }
 472
 473     @Override
 474     public boolean onOptionsItemSelected(MenuItem item) {
 475         boolean retval = true;
 476         switch (item.getItemId()) {
 477         case R.id.action_create_dir: {
 478             CreateFolderDialogFragment dialog = 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             UploadSourceDialogFragment dialog = UploadSourceDialogFragment.newInstance(getAccount());
 489             dialog.show(getSupportFragmentManager(), "uploadSourceDialog");
 490
 491             break;
 492         }
 493         case R.id.action_settings: {
 494             Intent settingsIntent = new Intent(this, Preferences.class);
 495             startActivity(settingsIntent);
 496             break;
 497         }
 498         case R.id.action_logger: {
 499             Intent loggerIntent = new Intent(getApplicationContext(),LogHistoryActivity.class);
 500             startActivity(loggerIntent);
 501             break;
 502         }
 503         case android.R.id.home: {
 504             FileFragment second = getSecondFragment();
 505             OCFile currentDir = getCurrentDir();
 506             if((currentDir != null && currentDir.getParentId() != 0) ||
 507                     (second != null && second.getFile() != null)) {
 508                 onBackPressed();
 509
 510             }
 511             break;
 512         }
 513         case R.id.action_sort: {
 514             SharedPreferences appPreferences = PreferenceManager
 515                     .getDefaultSharedPreferences(this);
 516
 517             // Read sorting order, default to sort by name ascending
 518             Integer sortOrder = appPreferences
 519                     .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 520
 521             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 522             builder.setTitle(R.string.actionbar_sort_title)
 523             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 524                 public void onClick(DialogInterface dialog, int which) {
 525
 526                     switch (which){
 527                     case 0:
 528                         sortByName(true);
 529                         break;
 530                     case 1:
 531                         sortByDate(false);
 532                         break;
 533
 534 // TODO re-enable when server-side folder size calculation is available
 535 //                    case 2:
 536 //                        sortBySize(false);
 537 //                        break;
 538                     }
 539
 540                     dialog.dismiss();
 541
 542                 }
 543             });
 544             builder.create().show();
 545             break;
 546         }
 547         default:
 548             retval = super.onOptionsItemSelected(item);
 549         }
 550         return retval;
 551     }
 552
 553     private void startSynchronization() {
 554         Log_OC.d(TAG, "Got to start sync");
 555         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 556             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 557             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 558             Bundle bundle = new Bundle();
 559             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 560             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 561             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 562             ContentResolver.requestSync(
 563                     getAccount(),
 564                     MainApp.getAuthority(), bundle);
 565         } else {
 566             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 567             SyncRequest.Builder builder = new SyncRequest.Builder();
 568             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 569             builder.setExpedited(true);
 570             builder.setManual(true);
 571             builder.syncOnce();
 572
 573             // Fix bug in Android Lollipop when you click on refresh the whole account
 574             Bundle extras = new Bundle();
 575             builder.setExtras(extras);
 576
 577             SyncRequest request = builder.build();
 578             ContentResolver.requestSync(request);
 579         }
 580     }
 581
 582
 583     @Override
 584     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 585         if (itemPosition != 0) {
 586             String targetPath = "";
 587             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 588                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 589             }
 590             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 591             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 592             if (targetFolder != null) {
 593                 browseTo(targetFolder);
 594             }
 595
 596             // the next operation triggers a new call to this method, but it's necessary to
 597             // ensure that the name exposed in the action bar is the current directory when the
 598             // user selected it in the navigation list
 599             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 600                 getSupportActionBar().setSelectedNavigationItem(0);
 601         }
 602         return true;
 603     }
 604
 605     /**
 606      * Called, when the user selected something for uploading
 607      *
 608      */
 609     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 610     @Override
 611     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 612
 613         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 614             //getClipData is only supported on api level 16+, Jelly Bean
 615             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 616                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 617                     Intent intent = new Intent();
 618                     intent.setData(data.getClipData().getItemAt(i).getUri());
 619                     requestSimpleUpload(intent, resultCode);
 620                 }
 621             }else {
 622                 requestSimpleUpload(data, resultCode);
 623             }
 624         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 625             requestMultipleUpload(data, resultCode);
 626
 627         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 628
 629             final Intent fData = data;
 630             final int fResultCode = resultCode;
 631             getHandler().postDelayed(
 632                 new Runnable() {
 633                     @Override
 634                     public void run() {
 635                         requestMoveOperation(fData, fResultCode);
 636                     }
 637                 },
 638                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 639             );
 640
 641         } else {
 642             super.onActivityResult(requestCode, resultCode, data);
 643         }
 644
 645     }
 646
 647     private void requestMultipleUpload(Intent data, int resultCode) {
 648         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 649         if (filePaths != null) {
 650             String[] remotePaths = new String[filePaths.length];
 651             String remotePathBase = "";
 652
 653             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 654                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 655             }
 656             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 657                 remotePathBase += OCFile.PATH_SEPARATOR;
 658             for (int j = 0; j< remotePaths.length; j++) {
 659                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 660             }
 661
 662             Intent i = new Intent(this, FileUploader.class);
 663             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 664             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 665             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 666             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 667             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 668                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 669             startService(i);
 670
 671         } else {
 672             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 673             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 674             t.show();
 675             return;
 676         }
 677     }
 678
 679
 680     private void requestSimpleUpload(Intent data, int resultCode) {
 681         String filePath = null;
 682         String mimeType = null;
 683
 684         Uri selectedImageUri = data.getData();
 685
 686         try {
 687             mimeType = getContentResolver().getType(selectedImageUri);
 688
 689             String fileManagerString = selectedImageUri.getPath();
 690             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 691
 692             if (selectedImagePath != null)
 693                 filePath = selectedImagePath;
 694             else
 695                 filePath = fileManagerString;
 696
 697         } catch (Exception e) {
 698             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 699
 700         } finally {
 701             if (filePath == null) {
 702                 Log_OC.e(TAG, "Couldn't resolve path to file");
 703                 Toast t = Toast.makeText(
 704                         this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG
 705                 );
 706                 t.show();
 707                 return;
 708             }
 709         }
 710
 711         Intent i = new Intent(this, FileUploader.class);
 712         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 713         OCFile currentDir = getCurrentDir();
 714         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 715
 716         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 717             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 718             try {
 719                 if (cursor != null && cursor.moveToFirst()) {
 720                     String displayName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
 721                     Log_OC.v(TAG, "Display Name: " + displayName );
 722
 723                     displayName.replace(File.separatorChar, '_');
 724                     displayName.replace(File.pathSeparatorChar, '_');
 725                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 726
 727                 }
 728                 // and what happens in case of error?; wrong target name for the upload
 729             } finally {
 730                 cursor.close();
 731             }
 732
 733         } else {
 734             remotePath += new File(filePath).getName();
 735         }
 736
 737         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 738         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 739         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 740         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 741         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 742         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 743         startService(i);
 744     }
 745
 746     /**
 747      * Request the operation for moving the file/folder from one path to another
 748      *
 749      * @param data              Intent received
 750      * @param resultCode        Result code received
 751      */
 752     private void requestMoveOperation(Intent data, int resultCode) {
 753         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 754         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 755         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 756     }
 757
 758     @Override
 759     public void onBackPressed() {
 760         OCFileListFragment listOfFiles = getListOfFilesFragment();
 761         if (mDualPane || getSecondFragment() == null) {
 762             if (listOfFiles != null) {  // should never be null, indeed
 763                 if (mDirectories.getCount() <= 1) {
 764                     finish();
 765                     return;
 766                 }
 767                 int levelsUp = listOfFiles.onBrowseUp();
 768                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 769                     popDirname();
 770                 }
 771             }
 772         }
 773         if (listOfFiles != null) {  // should never be null, indeed
 774             setFile(listOfFiles.getCurrentFile());
 775         }
 776         cleanSecondFragment();
 777
 778     }
 779
 780     @Override
 781     protected void onSaveInstanceState(Bundle outState) {
 782         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 783         Log_OC.d(TAG, "onSaveInstanceState() start");
 784         super.onSaveInstanceState(outState);
 785         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 786         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 787         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 788         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 789
 790         Log_OC.d(TAG, "onSaveInstanceState() end");
 791     }
 792
 793
 794
 795     @Override
 796     protected void onResume() {
 797         Log_OC.d(TAG, "onResume() start");
 798         super.onResume();
 799
 800         // refresh list of files
 801         refreshListOfFilesFragment();
 802
 803         // Listen for sync messages
 804         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 805         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 806         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 807         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 808         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 809         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 810         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 811         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 812
 813         // Listen for upload messages
 814         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 815         mUploadFinishReceiver = new UploadFinishReceiver();
 816         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 817
 818         // Listen for download messages
 819         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 820         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 821         mDownloadFinishReceiver = new DownloadFinishReceiver();
 822         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 823
 824         Log_OC.d(TAG, "onResume() end");
 825     }
 826
 827
 828     @Override
 829     protected void onPause() {
 830         Log_OC.d(TAG, "onPause() start");
 831         if (mSyncBroadcastReceiver != null) {
 832             unregisterReceiver(mSyncBroadcastReceiver);
 833             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 834             mSyncBroadcastReceiver = null;
 835         }
 836         if (mUploadFinishReceiver != null) {
 837             unregisterReceiver(mUploadFinishReceiver);
 838             mUploadFinishReceiver = null;
 839         }
 840         if (mDownloadFinishReceiver != null) {
 841             unregisterReceiver(mDownloadFinishReceiver);
 842             mDownloadFinishReceiver = null;
 843         }
 844
 845
 846         super.onPause();
 847         Log_OC.d(TAG, "onPause() end");
 848     }
 849
 850
 851     @Override
 852     protected Dialog onCreateDialog(int id) {
 853         Dialog dialog = null;
 854         AlertDialog.Builder builder;
 855         switch (id) {
 856         case DIALOG_SHORT_WAIT: {
 857             ProgressDialog working_dialog = new ProgressDialog(this);
 858             working_dialog.setMessage(getResources().getString(
 859                     R.string.wait_a_moment));
 860             working_dialog.setIndeterminate(true);
 861             working_dialog.setCancelable(false);
 862             dialog = working_dialog;
 863             break;
 864         }
 865         /*
 866         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 867
 868
 869             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 870                     getString(R.string.actionbar_upload_from_apps) };
 871
 872             builder = new AlertDialog.Builder(this);
 873             builder.setTitle(R.string.actionbar_upload);
 874             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 875                 public void onClick(DialogInterface dialog, int item) {
 876                     if (item == 0) {
 877                         // if (!mDualPane) {
 878                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 879                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 880                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 881                             // } else {
 882                             // TODO create and handle new fragment
 883                             // LocalFileListFragment
 884                             // }
 885                     } else if (item == 1) {
 886                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 887                         action = action.setType("*-/*").addCategory(Intent.CATEGORY_OPENABLE);
 888                         //Intent.EXTRA_ALLOW_MULTIPLE is only supported on api level 18+, Jelly Bean
 889                         if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 890                             action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 891                         }
 892                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 893                                 ACTION_SELECT_CONTENT_FROM_APPS);
 894                     }
 895                 }
 896             });
 897             dialog = builder.create();
 898             break;
 899         } */
 900         case DIALOG_CERT_NOT_SAVED: {
 901             builder = new AlertDialog.Builder(this);
 902             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 903             builder.setCancelable(false);
 904             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 905                 @Override
 906                 public void onClick(DialogInterface dialog, int which) {
 907                     dialog.dismiss();
 908                 };
 909             });
 910             dialog = builder.create();
 911             break;
 912         }
 913         default:
 914             dialog = null;
 915         }
 916
 917         return dialog;
 918     }
 919
 920     /**
 921      * Pushes a directory to the drop down list
 922      * @param directory to push
 923      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 924      */
 925     public void pushDirname(OCFile directory) {
 926         if(!directory.isFolder()){
 927             throw new IllegalArgumentException("Only directories may be pushed!");
 928         }
 929         mDirectories.insert(directory.getFileName(), 0);
 930         setFile(directory);
 931     }
 932
 933     /**
 934      * Pops a directory name from the drop down list
 935      * @return True, unless the stack is empty
 936      */
 937     public boolean popDirname() {
 938         mDirectories.remove(mDirectories.getItem(0));
 939         return !mDirectories.isEmpty();
 940     }
 941
 942     // Custom array adapter to override text colors
 943     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 944
 945         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 946             super(ctx, view);
 947         }
 948
 949         public View getView(int position, View convertView, ViewGroup parent) {
 950             View v = super.getView(position, convertView, parent);
 951
 952             ((TextView) v).setTextColor(getResources().getColorStateList(
 953                     android.R.color.white));
 954
 955             fixRoot((TextView) v );
 956             return v;
 957         }
 958
 959         public View getDropDownView(int position, View convertView,
 960                 ViewGroup parent) {
 961             View v = super.getDropDownView(position, convertView, parent);
 962
 963             ((TextView) v).setTextColor(getResources().getColorStateList(
 964                     android.R.color.white));
 965
 966             fixRoot((TextView) v );
 967             return v;
 968         }
 969
 970         private void fixRoot(TextView v) {
 971             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 972                 v.setText(R.string.default_display_name_for_root_folder);
 973             }
 974         }
 975
 976     }
 977
 978     private class SyncBroadcastReceiver extends BroadcastReceiver {
 979
 980         /**
 981          * {@link BroadcastReceiver} to enable syncing feedback in UI
 982          */
 983         @Override
 984         public void onReceive(Context context, Intent intent) {
 985             try {
 986                 String event = intent.getAction();
 987                 Log_OC.d(TAG, "Received broadcast " + event);
 988                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 989                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 990                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 991                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 992
 993                 if (sameAccount) {
 994
 995                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 996                         mSyncInProgress = true;
 997
 998                     } else {
 999                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
1000                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1001
1002                         if (currentDir == null) {
1003                             // current folder was removed from the server
1004                             Toast.makeText( FileDisplayActivity.this,
1005                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
1006                                             Toast.LENGTH_LONG)
1007                                 .show();
1008                             browseToRoot();
1009
1010                         } else {
1011                             if (currentFile == null && !getFile().isFolder()) {
1012                                 // currently selected file was removed in the server, and now we know it
1013                                 cleanSecondFragment();
1014                                 currentFile = currentDir;
1015                             }
1016
1017                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1018                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1019                                 if (fileListFragment != null) {
1020                                     fileListFragment.listDirectory(currentDir);
1021                                 }
1022                             }
1023                             setFile(currentFile);
1024                         }
1025
1026                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1027
1028                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1029                                     equals(event) &&
1030                                 /// TODO refactor and make common
1031                                 synchResult != null && !synchResult.isSuccess() &&
1032                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1033                                     synchResult.isIdPRedirection()                  ||
1034                                     (synchResult.isException() && synchResult.getException()
1035                                             instanceof AuthenticatorException))) {
1036
1037
1038                             try {
1039                                 OwnCloudClient client;
1040                                 OwnCloudAccount ocAccount =
1041                                         new OwnCloudAccount(getAccount(), context);
1042                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1043                                         removeClientFor(ocAccount));
1044
1045                                 if (client != null) {
1046                                     OwnCloudCredentials cred = client.getCredentials();
1047                                     if (cred != null) {
1048                                         AccountManager am = AccountManager.get(context);
1049                                         if (cred.authTokenExpires()) {
1050                                             am.invalidateAuthToken(
1051                                                     getAccount().type,
1052                                                     cred.getAuthToken()
1053                                             );
1054                                         } else {
1055                                             am.clearPassword(getAccount());
1056                                         }
1057                                     }
1058                                 }
1059                                 requestCredentialsUpdate();
1060
1061                             } catch (AccountNotFoundException e) {
1062                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1063                             }
1064
1065                         }
1066                     }
1067                     removeStickyBroadcast(intent);
1068                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1069                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1070
1071                     setBackgroundText();
1072
1073                 }
1074
1075                 if (synchResult != null) {
1076                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1077                         mLastSslUntrustedServerResult = synchResult;
1078                     }
1079                 }
1080             } catch (RuntimeException e) {
1081                 // avoid app crashes after changing the serial id of RemoteOperationResult
1082                 // in owncloud library with broadcast notifications pending to process
1083                 removeStickyBroadcast(intent);
1084             }
1085         }
1086     }
1087
1088     /**
1089      * Show a text message on screen view for notifying user if content is
1090      * loading or folder is empty
1091      */
1092     private void setBackgroundText() {
1093         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1094         if (ocFileListFragment != null) {
1095             int message = R.string.file_list_loading;
1096             if (!mSyncInProgress) {
1097                 // In case file list is empty
1098                 message = R.string.file_list_empty;
1099             }
1100             ocFileListFragment.setMessageForEmptyList(getString(message));
1101         } else {
1102             Log_OC.e(TAG, "OCFileListFragment is null");
1103         }
1104     }
1105
1106     /**
1107      * Once the file upload has finished -> update view
1108      */
1109     private class UploadFinishReceiver extends BroadcastReceiver {
1110         /**
1111          * Once the file upload has finished -> update view
1112          *  @author David A. Velasco
1113          * {@link BroadcastReceiver} to enable upload feedback in UI
1114          */
1115         @Override
1116         public void onReceive(Context context, Intent intent) {
1117             try {
1118                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1119                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1120                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1121                 OCFile currentDir = getCurrentDir();
1122                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1123                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1124
1125                 if (sameAccount && isDescendant) {
1126                     refreshListOfFilesFragment();
1127                 }
1128
1129                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1130                 boolean renamedInUpload = getFile().getRemotePath().
1131                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1132                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1133                         renamedInUpload;
1134                 FileFragment details = getSecondFragment();
1135                 boolean detailFragmentIsShown = (details != null &&
1136                         details instanceof FileDetailFragment);
1137
1138                 if (sameAccount && sameFile && detailFragmentIsShown) {
1139                     if (uploadWasFine) {
1140                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1141                     }
1142                     if (renamedInUpload) {
1143                         String newName = (new File(uploadedRemotePath)).getName();
1144                         Toast msg = Toast.makeText(
1145                                 context,
1146                                 String.format(
1147                                         getString(R.string.filedetails_renamed_in_upload_msg),
1148                                         newName),
1149                                 Toast.LENGTH_LONG);
1150                         msg.show();
1151                     }
1152                     if (uploadWasFine || getFile().fileExists()) {
1153                         ((FileDetailFragment)details).updateFileDetails(false, true);
1154                     } else {
1155                         cleanSecondFragment();
1156                     }
1157
1158                     // Force the preview if the file is an image
1159                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1160                         startImagePreview(getFile());
1161                     } // TODO what about other kind of previews?
1162                 }
1163
1164             } finally {
1165                 if (intent != null) {
1166                     removeStickyBroadcast(intent);
1167                 }
1168             }
1169
1170         }
1171
1172     }
1173
1174
1175     /**
1176      * Class waiting for broadcast events from the {@link FileDownloader} service.
1177      *
1178      * Updates the UI when a download is started or finished, provided that it is relevant for the
1179      * current folder.
1180      */
1181     private class DownloadFinishReceiver extends BroadcastReceiver {
1182
1183         //int refreshCounter = 0;
1184         @Override
1185         public void onReceive(Context context, Intent intent) {
1186             try {
1187                 boolean sameAccount = isSameAccount(context, intent);
1188                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1189                 boolean isDescendant = isDescendant(downloadedRemotePath);
1190
1191                 if (sameAccount && isDescendant) {
1192                     String linkedToRemotePath = intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1193                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1194                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1195                         refreshListOfFilesFragment();
1196                     }
1197                     refreshSecondFragment(
1198                             intent.getAction(),
1199                             downloadedRemotePath,
1200                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1201                     );
1202                 }
1203
1204                 if (mWaitingToSend != null) {
1205                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1206                     if (mWaitingToSend.isDown()) {
1207                         sendDownloadedFile();
1208                     }
1209                 }
1210
1211             } finally {
1212                 if (intent != null) {
1213                     removeStickyBroadcast(intent);
1214                 }
1215             }
1216         }
1217
1218         private boolean isDescendant(String downloadedRemotePath) {
1219             OCFile currentDir = getCurrentDir();
1220             return (
1221                 currentDir != null &&
1222                 downloadedRemotePath != null &&
1223                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1224             );
1225         }
1226
1227         private boolean isAscendant(String linkedToRemotePath) {
1228             OCFile currentDir = getCurrentDir();
1229             return (
1230                 currentDir != null &&
1231                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1232             );
1233         }
1234
1235         private boolean isSameAccount(Context context, Intent intent) {
1236             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1237             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1238         }
1239     }
1240
1241
1242     public void browseToRoot() {
1243         OCFileListFragment listOfFiles = getListOfFilesFragment();
1244         if (listOfFiles != null) {  // should never be null, indeed
1245             while (mDirectories.getCount() > 1) {
1246                 popDirname();
1247             }
1248             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1249             listOfFiles.listDirectory(root);
1250             setFile(listOfFiles.getCurrentFile());
1251             startSyncFolderOperation(root, false);
1252         }
1253         cleanSecondFragment();
1254     }
1255
1256
1257     public void browseTo(OCFile folder) {
1258         if (folder == null || !folder.isFolder()) {
1259             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1260         }
1261         OCFileListFragment listOfFiles = getListOfFilesFragment();
1262         if (listOfFiles != null) {
1263             setNavigationListWithFolder(folder);
1264             listOfFiles.listDirectory(folder);
1265             setFile(listOfFiles.getCurrentFile());
1266             startSyncFolderOperation(folder, false);
1267         } else {
1268             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1269         }
1270         cleanSecondFragment();
1271     }
1272
1273
1274     /**
1275      * {@inheritDoc}
1276      *
1277      * Updates action bar and second fragment, if in dual pane mode.
1278      */
1279     @Override
1280     public void onBrowsedDownTo(OCFile directory) {
1281         pushDirname(directory);
1282         cleanSecondFragment();
1283
1284         // Sync Folder
1285         startSyncFolderOperation(directory, false);
1286
1287     }
1288
1289     /**
1290      * Shows the information of the {@link OCFile} received as a
1291      * parameter in the second fragment.
1292      *
1293      * @param file          {@link OCFile} whose details will be shown
1294      */
1295     @Override
1296     public void showDetails(OCFile file) {
1297         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1298         setSecondFragment(detailFragment);
1299         updateFragmentsVisibility(true);
1300         updateNavigationElementsInActionBar(file);
1301         setFile(file);
1302     }
1303
1304
1305     /**
1306      * TODO
1307      */
1308     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1309         ActionBar actionBar = getSupportActionBar();
1310
1311         // For adding content description tag to a title field in the action bar
1312         int actionBarTitleId = getResources().getIdentifier("action_bar_title", "id", "android");
1313
1314         if (chosenFile == null || mDualPane) {
1315             // only list of files - set for browsing through folders
1316             OCFile currentDir = getCurrentDir();
1317             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1318             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1319             actionBar.setDisplayShowTitleEnabled(!noRoot);
1320             if (!noRoot) {
1321                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1322                 View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1323                 if (actionBarTitleView != null) {    // it's null in Android 2.x
1324                     actionBarTitleView.setContentDescription(getString(R.string.default_display_name_for_root_folder));
1325                 }
1326             }
1327             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1328             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1329
1330         } else {
1331             actionBar.setDisplayHomeAsUpEnabled(true);
1332             actionBar.setDisplayShowTitleEnabled(true);
1333             actionBar.setTitle(chosenFile.getFileName());
1334             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1335             View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1336             if (actionBarTitleView != null) {    // it's null in Android 2.x
1337                 getWindow().getDecorView().findViewById(actionBarTitleId).
1338                         setContentDescription(chosenFile.getFileName());
1339             }
1340         }
1341     }
1342
1343
1344     @Override
1345     protected ServiceConnection newTransferenceServiceConnection() {
1346         return new ListServiceConnection();
1347     }
1348
1349     /** Defines callbacks for service binding, passed to bindService() */
1350     private class ListServiceConnection implements ServiceConnection {
1351
1352         @Override
1353         public void onServiceConnected(ComponentName component, IBinder service) {
1354             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1355                 Log_OC.d(TAG, "Download service connected");
1356                 mDownloaderBinder = (FileDownloaderBinder) service;
1357                 if (mWaitingToPreview != null)
1358                     if (getStorageManager() != null) {
1359                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1360                         if (!mWaitingToPreview.isDown()) {
1361                             requestForDownload();
1362                         }
1363                 }
1364
1365             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1366                 Log_OC.d(TAG, "Upload service connected");
1367                 mUploaderBinder = (FileUploaderBinder) service;
1368             } else {
1369                 return;
1370             }
1371             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1372             OCFileListFragment listOfFiles = getListOfFilesFragment();
1373             if (listOfFiles != null) {
1374                 listOfFiles.listDirectory();
1375             }
1376             FileFragment secondFragment = getSecondFragment();
1377             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1378                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1379                 detailFragment.listenForTransferProgress();
1380                 detailFragment.updateFileDetails(false, false);
1381             }
1382         }
1383
1384         @Override
1385         public void onServiceDisconnected(ComponentName component) {
1386             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1387                 Log_OC.d(TAG, "Download service disconnected");
1388                 mDownloaderBinder = null;
1389             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1390                 Log_OC.d(TAG, "Upload service disconnected");
1391                 mUploaderBinder = null;
1392             }
1393         }
1394     };
1395
1396
1397
1398     /**
1399      * Launch an intent to request the PIN code to the user before letting him use the app
1400      */
1401     private void requestPinCode() {
1402         boolean pinStart = false;
1403         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1404         pinStart = appPrefs.getBoolean("set_pincode", false);
1405         if (pinStart) {
1406             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1407             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1408             startActivity(i);
1409         }
1410     }
1411
1412
1413     @Override
1414     public void onSavedCertificate() {
1415         startSyncFolderOperation(getCurrentDir(), false);
1416     }
1417
1418
1419     @Override
1420     public void onFailedSavingCertificate() {
1421         showDialog(DIALOG_CERT_NOT_SAVED);
1422     }
1423
1424     @Override
1425     public void onCancelCertificate() {
1426         // nothing to do
1427     }
1428
1429     /**
1430      * Updates the view associated to the activity after the finish of some operation over files
1431      * in the current account.
1432      *
1433      * @param operation     Removal operation performed.
1434      * @param result        Result of the removal.
1435      */
1436     @Override
1437     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1438         super.onRemoteOperationFinish(operation, result);
1439
1440         if (operation instanceof RemoveFileOperation) {
1441             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1442
1443         } else if (operation instanceof RenameFileOperation) {
1444             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1445
1446         } else if (operation instanceof SynchronizeFileOperation) {
1447             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1448
1449         } else if (operation instanceof CreateFolderOperation) {
1450             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1451
1452         } else if (operation instanceof CreateShareOperation) {
1453             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1454
1455         } else if (operation instanceof UnshareLinkOperation) {
1456             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1457
1458         } else if (operation instanceof MoveFileOperation) {
1459             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1460         }
1461
1462     }
1463
1464
1465     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1466         if (result.isSuccess()) {
1467             refreshShowDetails();
1468             refreshListOfFilesFragment();
1469         }
1470     }
1471
1472
1473     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1474         if (result.isSuccess()) {
1475             refreshShowDetails();
1476             refreshListOfFilesFragment();
1477
1478         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1479             cleanSecondFragment();
1480             refreshListOfFilesFragment();
1481         }
1482     }
1483
1484     private void refreshShowDetails() {
1485         FileFragment details = getSecondFragment();
1486         if (details != null) {
1487             OCFile file = details.getFile();
1488             if (file != null) {
1489                 file = getStorageManager().getFileByPath(file.getRemotePath());
1490                 if (details instanceof PreviewMediaFragment) {
1491                     // Refresh  OCFile of the fragment
1492                     ((PreviewMediaFragment) details).updateFile(file);
1493                 } else {
1494                     showDetails(file);
1495                 }
1496             }
1497             invalidateOptionsMenu();
1498         }
1499     }
1500
1501     /**
1502      * Updates the view associated to the activity after the finish of an operation trying to remove a
1503      * file.
1504      *
1505      * @param operation     Removal operation performed.
1506      * @param result        Result of the removal.
1507      */
1508     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1509         dismissLoadingDialog();
1510
1511         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1512                 Toast.LENGTH_LONG);
1513         msg.show();
1514
1515         if (result.isSuccess()) {
1516             OCFile removedFile = operation.getFile();
1517             FileFragment second = getSecondFragment();
1518             if (second != null && removedFile.equals(second.getFile())) {
1519                 if (second instanceof PreviewMediaFragment) {
1520                     ((PreviewMediaFragment)second).stopPreview(true);
1521                 }
1522                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1523                 cleanSecondFragment();
1524             }
1525             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1526                 refreshListOfFilesFragment();
1527             }
1528             invalidateOptionsMenu();
1529         } else {
1530             if (result.isSslRecoverableException()) {
1531                 mLastSslUntrustedServerResult = result;
1532                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1533             }
1534         }
1535     }
1536
1537
1538     /**
1539      * Updates the view associated to the activity after the finish of an operation trying to move a
1540      * file.
1541      *
1542      * @param operation     Move operation performed.
1543      * @param result        Result of the move operation.
1544      */
1545     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1546         if (result.isSuccess()) {
1547             dismissLoadingDialog();
1548             refreshListOfFilesFragment();
1549         } else {
1550             dismissLoadingDialog();
1551             try {
1552                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1553                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1554                         Toast.LENGTH_LONG);
1555                 msg.show();
1556
1557             } catch (NotFoundException e) {
1558                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1559             }
1560         }
1561     }
1562
1563
1564     /**
1565      * Updates the view associated to the activity after the finish of an operation trying to rename a
1566      * file.
1567      *
1568      * @param operation     Renaming operation performed.
1569      * @param result        Result of the renaming.
1570      */
1571     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1572         dismissLoadingDialog();
1573         OCFile renamedFile = operation.getFile();
1574         if (result.isSuccess()) {
1575             FileFragment details = getSecondFragment();
1576             if (details != null) {
1577                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1578                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1579                     showDetails(renamedFile);
1580
1581                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1582                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1583                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1584                         int position = ((PreviewMediaFragment)details).getPosition();
1585                         startMediaPreview(renamedFile, position, true);
1586                     } else {
1587                         getFileOperationsHelper().openFile(renamedFile);
1588                     }
1589                 }
1590             }
1591
1592             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1593                 refreshListOfFilesFragment();
1594             }
1595
1596         } else {
1597             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1598                     Toast.LENGTH_LONG);
1599             msg.show();
1600
1601             if (result.isSslRecoverableException()) {
1602                 mLastSslUntrustedServerResult = result;
1603                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1604             }
1605         }
1606     }
1607
1608     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1609         dismissLoadingDialog();
1610         OCFile syncedFile = operation.getLocalFile();
1611         if (!result.isSuccess()) {
1612             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1613                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1614                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1615                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1616                 startActivity(i);
1617
1618             }
1619
1620         } else {
1621             if (operation.transferWasRequested()) {
1622                 onTransferStateChanged(syncedFile, true, true);
1623
1624             } else {
1625                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1626                         Toast.LENGTH_LONG);
1627                 msg.show();
1628             }
1629         }
1630     }
1631
1632     /**
1633      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1634      *
1635      * @param operation     Creation operation performed.
1636      * @param result        Result of the creation.
1637      */
1638     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1639         if (result.isSuccess()) {
1640             dismissLoadingDialog();
1641             refreshListOfFilesFragment();
1642         } else {
1643             dismissLoadingDialog();
1644             try {
1645                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1646                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1647                         Toast.LENGTH_LONG);
1648                 msg.show();
1649
1650             } catch (NotFoundException e) {
1651                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1652             }
1653         }
1654     }
1655
1656
1657     /**
1658      * {@inheritDoc}
1659      */
1660     @Override
1661     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1662         refreshListOfFilesFragment();
1663         FileFragment details = getSecondFragment();
1664         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1665             if (downloading || uploading) {
1666                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1667             } else {
1668                 if (!file.fileExists()) {
1669                     cleanSecondFragment();
1670                 } else {
1671                     ((FileDetailFragment)details).updateFileDetails(false, true);
1672                 }
1673             }
1674         }
1675
1676     }
1677
1678
1679     private void requestForDownload() {
1680         Account account = getAccount();
1681         //if (!mWaitingToPreview.isDownloading()) {
1682         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1683             Intent i = new Intent(this, FileDownloader.class);
1684             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1685             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1686             startService(i);
1687         }
1688     }
1689
1690
1691     private OCFile getCurrentDir() {
1692         OCFile file = getFile();
1693         if (file != null) {
1694             if (file.isFolder()) {
1695                 return file;
1696             } else if (getStorageManager() != null) {
1697                 String parentPath = file.getRemotePath().substring(0,
1698                         file.getRemotePath().lastIndexOf(file.getFileName()));
1699                 return getStorageManager().getFileByPath(parentPath);
1700             }
1701         }
1702         return null;
1703     }
1704
1705     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1706         long currentSyncTime = System.currentTimeMillis();
1707
1708         mSyncInProgress = true;
1709
1710         // perform folder synchronization
1711         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1712                                                                         currentSyncTime,
1713                                                                         false,
1714                                                                         getFileOperationsHelper().isSharedSupported(),
1715                                                                         ignoreETag,
1716                                                                         getStorageManager(),
1717                                                                         getAccount(),
1718                                                                         getApplicationContext()
1719                                                                       );
1720         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1721
1722         setSupportProgressBarIndeterminateVisibility(true);
1723
1724         setBackgroundText();
1725     }
1726
1727     /**
1728      * Show untrusted cert dialog
1729      */
1730     public void showUntrustedCertDialog(RemoteOperationResult result) {
1731         // Show a dialog with the certificate info
1732         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1733                 (CertificateCombinedException)result.getException());
1734         FragmentManager fm = getSupportFragmentManager();
1735         FragmentTransaction ft = fm.beginTransaction();
1736         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1737     }
1738
1739     private void requestForDownload(OCFile file) {
1740         Account account = getAccount();
1741         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1742             Intent i = new Intent(this, FileDownloader.class);
1743             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1744             i.putExtra(FileDownloader.EXTRA_FILE, file);
1745             startService(i);
1746         }
1747     }
1748
1749     private void sendDownloadedFile(){
1750         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1751         mWaitingToSend = null;
1752     }
1753
1754
1755     /**
1756      * Requests the download of the received {@link OCFile} , updates the UI
1757      * to monitor the download progress and prepares the activity to send the file
1758      * when the download finishes.
1759      *
1760      * @param file          {@link OCFile} to download and preview.
1761      */
1762     public void startDownloadForSending(OCFile file) {
1763         mWaitingToSend = file;
1764         requestForDownload(mWaitingToSend);
1765         boolean hasSecondFragment = (getSecondFragment()!= null);
1766         updateFragmentsVisibility(hasSecondFragment);
1767     }
1768
1769     /**
1770      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1771      *
1772      * @param file                      Image {@link OCFile} to show.
1773      */
1774     public void startImagePreview(OCFile file) {
1775         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1776         showDetailsIntent.putExtra(EXTRA_FILE, file);
1777         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1778         startActivity(showDetailsIntent);
1779
1780     }
1781
1782     /**
1783      * Stars the preview of an already down media {@link OCFile}.
1784      *
1785      * @param file                      Media {@link OCFile} to preview.
1786      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1787      * @param autoplay                  When 'true', the playback will start without user interactions.
1788      */
1789     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1790         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1791         setSecondFragment(mediaFragment);
1792         updateFragmentsVisibility(true);
1793         updateNavigationElementsInActionBar(file);
1794         setFile(file);
1795     }
1796
1797     /**
1798      * Requests the download of the received {@link OCFile} , updates the UI
1799      * to monitor the download progress and prepares the activity to preview
1800      * or open the file when the download finishes.
1801      *
1802      * @param file          {@link OCFile} to download and preview.
1803      */
1804     public void startDownloadForPreview(OCFile file) {
1805         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1806         setSecondFragment(detailFragment);
1807         mWaitingToPreview = file;
1808         requestForDownload();
1809         updateFragmentsVisibility(true);
1810         updateNavigationElementsInActionBar(file);
1811         setFile(file);
1812     }
1813
1814
1815     public void cancelTransference(OCFile file) {
1816         getFileOperationsHelper().cancelTransference(file);
1817         if (mWaitingToPreview != null &&
1818                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1819             mWaitingToPreview = null;
1820         }
1821         if (mWaitingToSend != null &&
1822                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1823             mWaitingToSend = null;
1824         }
1825         onTransferStateChanged(file, false, false);
1826     }
1827
1828     @Override
1829     public void onRefresh(boolean ignoreETag) {
1830         refreshList(ignoreETag);
1831     }
1832
1833     @Override
1834     public void onRefresh() {
1835         refreshList(true);
1836     }
1837
1838     private void refreshList(boolean ignoreETag) {
1839         OCFileListFragment listOfFiles = getListOfFilesFragment();
1840         if (listOfFiles != null) {
1841             OCFile folder = listOfFiles.getCurrentFile();
1842             if (folder != null) {
1843                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1844                 listDirectory(mFile);*/
1845                 startSyncFolderOperation(folder, ignoreETag);
1846             }
1847         }
1848     }
1849
1850     private void sortByDate(boolean ascending){
1851         getListOfFilesFragment().sortByDate(ascending);
1852     }
1853
1854     private void sortBySize(boolean ascending){
1855         getListOfFilesFragment().sortBySize(ascending);
1856     }
1857
1858     private void sortByName(boolean ascending){
1859         getListOfFilesFragment().sortByName(ascending);
1860     }
1861
1862 }