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 android.accounts.Account;
  26 import android.accounts.AccountManager;
  27 import android.accounts.AuthenticatorException;
  28 import android.annotation.TargetApi;
  29 import android.app.AlertDialog;
  30 import android.content.BroadcastReceiver;
  31 import android.content.ComponentName;
  32 import android.content.ContentResolver;
  33 import android.content.Context;
  34 import android.content.DialogInterface;
  35 import android.content.Intent;
  36 import android.content.IntentFilter;
  37 import android.content.ServiceConnection;
  38 import android.content.SharedPreferences;
  39 import android.content.SyncRequest;
  40 import android.content.res.Resources.NotFoundException;
  41 import android.database.Cursor;
  42 import android.net.Uri;
  43 import android.os.Build;
  44 import android.os.Bundle;
  45 import android.os.IBinder;
  46 import android.preference.PreferenceManager;
  47 import android.provider.OpenableColumns;
  48 import android.support.v4.app.Fragment;
  49 import android.support.v4.app.FragmentManager;
  50 import android.support.v4.app.FragmentTransaction;
  51 import android.support.v4.view.GravityCompat;
  52 import android.support.v7.app.ActionBar;
  53 import android.view.Menu;
  54 import android.view.MenuInflater;
  55 import android.view.MenuItem;
  56 import android.view.View;
  57 import android.view.ViewGroup;
  58 import android.view.Window;
  59 import android.widget.ArrayAdapter;
  60 import android.widget.TextView;
  61 import android.widget.Toast;
  62
  63 import com.owncloud.android.MainApp;
  64 import com.owncloud.android.R;
  65 import com.owncloud.android.datamodel.OCFile;
  66 import com.owncloud.android.files.services.FileDownloader;
  67 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  68 import com.owncloud.android.files.services.FileUploader;
  69 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  70 import com.owncloud.android.lib.common.OwnCloudAccount;
  71 import com.owncloud.android.lib.common.OwnCloudClient;
  72 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  73 import com.owncloud.android.lib.common.OwnCloudCredentials;
  74 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  75 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  76 import com.owncloud.android.lib.common.operations.RemoteOperation;
  77 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  78 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  79 import com.owncloud.android.lib.common.utils.Log_OC;
  80 import com.owncloud.android.operations.CreateFolderOperation;
  81 import com.owncloud.android.operations.CreateShareOperation;
  82 import com.owncloud.android.operations.MoveFileOperation;
  83 import com.owncloud.android.operations.RefreshFolderOperation;
  84 import com.owncloud.android.operations.RemoveFileOperation;
  85 import com.owncloud.android.operations.RenameFileOperation;
  86 import com.owncloud.android.operations.SynchronizeFileOperation;
  87 import com.owncloud.android.operations.UnshareLinkOperation;
  88 import com.owncloud.android.services.observer.FileObserverService;
  89 import com.owncloud.android.syncadapter.FileSyncAdapter;
  90 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  91 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  92 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  93 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  94 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
  95 import com.owncloud.android.ui.fragment.FileDetailFragment;
  96 import com.owncloud.android.ui.fragment.FileFragment;
  97 import com.owncloud.android.ui.fragment.OCFileListFragment;
  98 import com.owncloud.android.ui.preview.PreviewImageActivity;
  99 import com.owncloud.android.ui.preview.PreviewImageFragment;
 100 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 101 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 102 import com.owncloud.android.utils.DisplayUtils;
 103 import com.owncloud.android.utils.ErrorMessageAdapter;
 104 import com.owncloud.android.utils.FileStorageUtils;
 105 import com.owncloud.android.utils.UriUtils;
 106
 107 import java.io.File;
 108
 109
 110 /**
 111  * Displays, what files the user has available in his ownCloud.
 112  */
 113
 114 public class FileDisplayActivity extends HookActivity implements
 115         FileFragment.ContainerActivity, ActionBar.OnNavigationListener,
 116         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 117
 118     private ArrayAdapter<String> mDirectories;
 119
 120     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 121     private UploadFinishReceiver mUploadFinishReceiver;
 122     private DownloadFinishReceiver mDownloadFinishReceiver;
 123     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 124
 125     private boolean mDualPane;
 126     private View mLeftFragmentContainer;
 127     private View mRightFragmentContainer;
 128
 129     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 130     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 131     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 132
 133     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 134
 135     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 136     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 137     public static final int ACTION_MOVE_FILES = 3;
 138
 139     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 140
 141     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 142     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 143
 144     private OCFile mWaitingToPreview;
 145
 146     private boolean mSyncInProgress = false;
 147
 148     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 149     private static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 150     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 151     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 152
 153     private OCFile mWaitingToSend;
 154
 155
 156     @Override
 157     protected void onCreate(Bundle savedInstanceState) {
 158         Log_OC.v(TAG, "onCreate() start");
 159         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 160
 161         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account
 162                                             // is valid
 163
 164         /// grant that FileObserverService is watching favorite files
 165         if (savedInstanceState == null) {
 166             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 167             startService(initObserversIntent);
 168         }
 169
 170         /// Load of saved instance state
 171         if(savedInstanceState != null) {
 172             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(
 173                     FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 174             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 175             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(
 176                     FileDisplayActivity.KEY_WAITING_TO_SEND);
 177
 178         } else {
 179             mWaitingToPreview = null;
 180             mSyncInProgress = false;
 181             mWaitingToSend = null;
 182         }
 183
 184         /// USER INTERFACE
 185
 186         // Inflate and set the layout view
 187         setContentView(R.layout.files);
 188
 189         // Navigation Drawer
 190         initDrawer();
 191
 192         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 193         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 194         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 195         if (savedInstanceState == null) {
 196             createMinFragments();
 197         }
 198
 199         // Action bar setup
 200         mDirectories = new CustomArrayAdapter<String>(this,
 201                 R.layout.support_simple_spinner_dropdown_item);
 202         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 203                                                                 // according to the official
 204                                                                 // documentation
 205
 206         setSupportProgressBarIndeterminateVisibility(mSyncInProgress
 207         /*|| mRefreshSharesInProgress*/);
 208         // always AFTER setContentView(...) ; to work around bug in its implementation
 209
 210         // TODO Remove??, it is done in onPostCreate
 211 //        mDrawerToggle.syncState();
 212
 213         setBackgroundText();
 214
 215         Log_OC.v(TAG, "onCreate() end");
 216     }
 217
 218     @Override
 219     protected void onStart() {
 220         Log_OC.v(TAG, "onStart() start");
 221         super.onStart();
 222         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 223         Log_OC.v(TAG, "onStart() end");
 224     }
 225
 226     @Override
 227     protected void onDestroy() {
 228         Log_OC.v(TAG, "onDestroy() start");
 229         super.onDestroy();
 230         Log_OC.v(TAG, "onDestroy() end");
 231     }
 232
 233     /**
 234      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 235      */
 236     @Override
 237     protected void onAccountSet(boolean stateWasRecovered) {
 238         super.onAccountSet(stateWasRecovered);
 239         if (getAccount() != null) {
 240             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 241             // current Account
 242             OCFile file = getFile();
 243             // get parent from path
 244             String parentPath = "";
 245             if (file != null) {
 246                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 247                     // upload in progress - right now, files are not inserted in the local
 248                     // cache until the upload is successful get parent from path
 249                     parentPath = file.getRemotePath().substring(0,
 250                             file.getRemotePath().lastIndexOf(file.getFileName()));
 251                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 252                         file = null; // not able to know the directory where the file is uploading
 253                 } else {
 254                     file = getStorageManager().getFileByPath(file.getRemotePath());
 255                     // currentDir = null if not in the current Account
 256                 }
 257             }
 258             if (file == null) {
 259                 // fall back to root folder
 260                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 261             }
 262             setFile(file);
 263             setNavigationListWithFolder(file);
 264
 265             if (!stateWasRecovered) {
 266                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 267                 initFragmentsWithFile();
 268                 if (file.isFolder()) {
 269                     startSyncFolderOperation(file, false);
 270                 }
 271
 272             } else {
 273                 updateFragmentsVisibility(!file.isFolder());
 274                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 275             }
 276         }
 277     }
 278
 279
 280     private void setNavigationListWithFolder(OCFile file) {
 281         mDirectories.clear();
 282         OCFile fileIt = file;
 283         String parentPath;
 284         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 285             if (fileIt.isFolder()) {
 286                 mDirectories.add(fileIt.getFileName());
 287             }
 288             // get parent from path
 289             parentPath = fileIt.getRemotePath().substring(0,
 290                     fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 291             fileIt = getStorageManager().getFileByPath(parentPath);
 292         }
 293         mDirectories.add(OCFile.PATH_SEPARATOR);
 294     }
 295
 296
 297     private void createMinFragments() {
 298         OCFileListFragment listOfFiles = new OCFileListFragment();
 299         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 300         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 301         transaction.commit();
 302     }
 303
 304     private void initFragmentsWithFile() {
 305         if (getAccount() != null && getFile() != null) {
 306             /// First fragment
 307             OCFileListFragment listOfFiles = getListOfFilesFragment();
 308             if (listOfFiles != null) {
 309                 listOfFiles.listDirectory(getCurrentDir());
 310                 // TODO Enable when "On Device" is recovered
 311                 // listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 312             } else {
 313                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 314             }
 315
 316             /// Second fragment
 317             OCFile file = getFile();
 318             Fragment secondFragment = chooseInitialSecondFragment(file);
 319             if (secondFragment != null) {
 320                 setSecondFragment(secondFragment);
 321                 updateFragmentsVisibility(true);
 322                 updateNavigationElementsInActionBar(file);
 323
 324             } else {
 325                 cleanSecondFragment();
 326             }
 327
 328         } else {
 329             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 330             if (getAccount() == null) {
 331                 Log_OC.wtf(TAG, "\t account is NULL");
 332             }
 333             if (getFile() == null) {
 334                 Log_OC.wtf(TAG, "\t file is NULL");
 335             }
 336         }
 337     }
 338
 339     private Fragment chooseInitialSecondFragment(OCFile file) {
 340         Fragment secondFragment = null;
 341         if (file != null && !file.isFolder()) {
 342             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 343                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 344                     ) {
 345                 int startPlaybackPosition =
 346                         getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 347                 boolean autoplay =
 348                         getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 349                 secondFragment = new PreviewMediaFragment(file, getAccount(),
 350                         startPlaybackPosition, autoplay);
 351
 352             } else {
 353                 secondFragment = new FileDetailFragment(file, getAccount());
 354             }
 355         }
 356         return secondFragment;
 357     }
 358
 359
 360     /**
 361      * Replaces the second fragment managed by the activity with the received as
 362      * a parameter.
 363      *
 364      * Assumes never will be more than two fragments managed at the same time.
 365      *
 366      * @param fragment      New second Fragment to set.
 367      */
 368     private void setSecondFragment(Fragment fragment) {
 369         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 370         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 371         transaction.commit();
 372     }
 373
 374
 375     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 376         if (mDualPane) {
 377             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 378                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 379             }
 380             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 381                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 382             }
 383
 384         } else if (existsSecondFragment) {
 385             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 386                 mLeftFragmentContainer.setVisibility(View.GONE);
 387             }
 388             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 389                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 390             }
 391
 392         } else {
 393             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 394                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 395             }
 396             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 397                 mRightFragmentContainer.setVisibility(View.GONE);
 398             }
 399         }
 400     }
 401
 402
 403     private OCFileListFragment getListOfFilesFragment() {
 404         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 405                 FileDisplayActivity.TAG_LIST_OF_FILES);
 406         if (listOfFiles != null) {
 407             return (OCFileListFragment)listOfFiles;
 408         }
 409         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 410         return null;
 411     }
 412
 413     public FileFragment getSecondFragment() {
 414         Fragment second = getSupportFragmentManager().findFragmentByTag(
 415                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 416         if (second != null) {
 417             return (FileFragment)second;
 418         }
 419         return null;
 420     }
 421
 422     protected void cleanSecondFragment() {
 423         Fragment second = getSecondFragment();
 424         if (second != null) {
 425             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 426             tr.remove(second);
 427             tr.commit();
 428         }
 429         updateFragmentsVisibility(false);
 430         updateNavigationElementsInActionBar(null);
 431     }
 432
 433     protected void refreshListOfFilesFragment() {
 434         OCFileListFragment fileListFragment = getListOfFilesFragment();
 435         if (fileListFragment != null) {
 436             fileListFragment.listDirectory();
 437             // TODO Enable when "On Device" is recovered ?
 438             // fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 439         }
 440     }
 441
 442     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath,
 443                                          boolean success) {
 444         FileFragment secondFragment = getSecondFragment();
 445         boolean waitedPreview = (mWaitingToPreview != null &&
 446                 mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 447         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 448             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 449             OCFile fileInFragment = detailsFragment.getFile();
 450             if (fileInFragment != null &&
 451                     !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 452                 // the user browsed to other file ; forget the automatic preview
 453                 mWaitingToPreview = null;
 454
 455             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 456                 // grant that the right panel updates the progress bar
 457                 detailsFragment.listenForTransferProgress();
 458                 detailsFragment.updateFileDetails(true, false);
 459
 460             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 461                 //  update the right panel
 462                 boolean detailsFragmentChanged = false;
 463                 if (waitedPreview) {
 464                     if (success) {
 465                         mWaitingToPreview = getStorageManager().getFileById(
 466                                 mWaitingToPreview.getFileId());   // update the file from database,
 467                                                                   // for the local storage path
 468                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 469                             startMediaPreview(mWaitingToPreview, 0, true);
 470                             detailsFragmentChanged = true;
 471                         } else {
 472                             getFileOperationsHelper().openFile(mWaitingToPreview);
 473                         }
 474                     }
 475                     mWaitingToPreview = null;
 476                 }
 477                 if (!detailsFragmentChanged) {
 478                     detailsFragment.updateFileDetails(false, (success));
 479                 }
 480             }
 481         }
 482     }
 483
 484     @Override
 485     public boolean onPrepareOptionsMenu(Menu menu) {
 486         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 487         menu.findItem(R.id.action_upload).setVisible(!drawerOpen);
 488         menu.findItem(R.id.action_create_dir).setVisible(!drawerOpen);
 489         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 490         menu.findItem(R.id.action_sync_account).setVisible(!drawerOpen);
 491
 492         return super.onPrepareOptionsMenu(menu);
 493     }
 494
 495     @Override
 496     public boolean onCreateOptionsMenu(Menu menu) {
 497         MenuInflater inflater = getMenuInflater();
 498         inflater.inflate(R.menu.main_menu, menu);
 499         return true;
 500     }
 501
 502
 503     @Override
 504     public boolean onOptionsItemSelected(MenuItem item) {
 505         boolean retval = true;
 506         switch (item.getItemId()) {
 507             case R.id.action_create_dir: {
 508                 CreateFolderDialogFragment dialog =
 509                         CreateFolderDialogFragment.newInstance(getCurrentDir());
 510                 dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 511                 break;
 512             }
 513             case R.id.action_sync_account: {
 514                 startSynchronization();
 515                 break;
 516             }
 517             case R.id.action_upload: {
 518                 UploadSourceDialogFragment dialog =
 519                         UploadSourceDialogFragment.newInstance(getAccount());
 520                 dialog.show(getSupportFragmentManager(), DIALOG_UPLOAD_SOURCE);
 521
 522                 break;
 523             }
 524             case android.R.id.home: {
 525                 if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 526                     mDrawerLayout.closeDrawer(GravityCompat.START);
 527                 } else {
 528                     mDrawerLayout.openDrawer(GravityCompat.START);
 529                 }
 530                 break;
 531             }
 532             case R.id.action_sort: {
 533                 SharedPreferences appPreferences = PreferenceManager
 534                         .getDefaultSharedPreferences(this);
 535
 536                 // Read sorting order, default to sort by name ascending
 537                 Integer sortOrder = appPreferences
 538                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 539
 540                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 541                 builder.setTitle(R.string.actionbar_sort_title)
 542                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 543                                 new DialogInterface.OnClickListener() {
 544                             public void onClick(DialogInterface dialog, int which) {
 545                                 switch (which){
 546                                     case 0:
 547                                         sortByName(true);
 548                                         break;
 549                                     case 1:
 550                                         sortByDate(false);
 551                                         break;
 552                                 }
 553
 554                                 dialog.dismiss();
 555                             }
 556                         });
 557                 builder.create().show();
 558                 break;
 559             }
 560         default:
 561             retval = super.onOptionsItemSelected(item);
 562         }
 563         return retval;
 564     }
 565
 566     private void startSynchronization() {
 567         Log_OC.d(TAG, "Got to start sync");
 568         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 569             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 570             ContentResolver.cancelSync(null, MainApp.getAuthority());
 571             // cancel the current synchronizations of any ownCloud account
 572             Bundle bundle = new Bundle();
 573             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 574             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 575             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 576                     MainApp.getAuthority());
 577             ContentResolver.requestSync(
 578                     getAccount(),
 579                     MainApp.getAuthority(), bundle);
 580         } else {
 581             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 582                     MainApp.getAuthority() + " with new API");
 583             SyncRequest.Builder builder = new SyncRequest.Builder();
 584             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 585             builder.setExpedited(true);
 586             builder.setManual(true);
 587             builder.syncOnce();
 588
 589             // Fix bug in Android Lollipop when you click on refresh the whole account
 590             Bundle extras = new Bundle();
 591             builder.setExtras(extras);
 592
 593             SyncRequest request = builder.build();
 594             ContentResolver.requestSync(request);
 595         }
 596     }
 597
 598
 599     @Override
 600     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 601         if (itemPosition != 0) {
 602             String targetPath = "";
 603             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 604                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 605             }
 606             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 607             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 608             if (targetFolder != null) {
 609                 browseTo(targetFolder);
 610             }
 611
 612             // the next operation triggers a new call to this method, but it's necessary to
 613             // ensure that the name exposed in the action bar is the current directory when the
 614             // user selected it in the navigation list
 615             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  &&
 616                     itemPosition != 0)
 617                 getSupportActionBar().setSelectedNavigationItem(0);
 618         }
 619         return true;
 620     }
 621
 622     /**
 623      * Called, when the user selected something for uploading
 624      *
 625      */
 626     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 627     @Override
 628     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 629
 630         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 631                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 632             //getClipData is only supported on api level 16+, Jelly Bean
 633             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 634                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 635                     Intent intent = new Intent();
 636                     intent.setData(data.getClipData().getItemAt(i).getUri());
 637                     requestSimpleUpload(intent, resultCode);
 638                 }
 639             }else {
 640                 requestSimpleUpload(data, resultCode);
 641             }
 642         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 643                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 644             requestMultipleUpload(data, resultCode);
 645
 646         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 647
 648             final Intent fData = data;
 649             final int fResultCode = resultCode;
 650             getHandler().postDelayed(
 651                 new Runnable() {
 652                     @Override
 653                     public void run() {
 654                         requestMoveOperation(fData, fResultCode);
 655                     }
 656                 },
 657                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 658             );
 659
 660         } else {
 661             super.onActivityResult(requestCode, resultCode, data);
 662         }
 663
 664     }
 665
 666     private void requestMultipleUpload(Intent data, int resultCode) {
 667         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 668         if (filePaths != null) {
 669             String[] remotePaths = new String[filePaths.length];
 670             String remotePathBase = "";
 671
 672             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 673                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 674             }
 675             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 676                 remotePathBase += OCFile.PATH_SEPARATOR;
 677             for (int j = 0; j< remotePaths.length; j++) {
 678                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 679             }
 680
 681             Intent i = new Intent(this, FileUploader.class);
 682             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 683             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 684             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 685             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 686             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 687                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 688             startService(i);
 689
 690         } else {
 691             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 692             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 693                     Toast.LENGTH_LONG);
 694             t.show();
 695             return;
 696         }
 697     }
 698
 699
 700     private void requestSimpleUpload(Intent data, int resultCode) {
 701         String filePath = null;
 702         String mimeType = null;
 703
 704         Uri selectedImageUri = data.getData();
 705
 706         try {
 707             mimeType = getContentResolver().getType(selectedImageUri);
 708
 709             String fileManagerString = selectedImageUri.getPath();
 710             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 711
 712             if (selectedImagePath != null)
 713                 filePath = selectedImagePath;
 714             else
 715                 filePath = fileManagerString;
 716
 717         } catch (Exception e) {
 718             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 719                     "Intent.ACTION_GET_CONTENT", e);
 720
 721         } finally {
 722             if (filePath == null) {
 723                 Log_OC.e(TAG, "Couldn't resolve path to file");
 724                 Toast t = Toast.makeText(
 725                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 726                         Toast.LENGTH_LONG
 727                 );
 728                 t.show();
 729                 return;
 730             }
 731         }
 732
 733         Intent i = new Intent(this, FileUploader.class);
 734         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 735         OCFile currentDir = getCurrentDir();
 736         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 737
 738         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 739             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 740             try {
 741                 if (cursor != null && cursor.moveToFirst()) {
 742                     String displayName = cursor.getString(cursor.getColumnIndex(
 743                             OpenableColumns.DISPLAY_NAME));
 744                     Log_OC.v(TAG, "Display Name: " + displayName );
 745
 746                     displayName.replace(File.separatorChar, '_');
 747                     displayName.replace(File.pathSeparatorChar, '_');
 748                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 749
 750                 }
 751                 // and what happens in case of error?; wrong target name for the upload
 752             } finally {
 753                 cursor.close();
 754             }
 755
 756         } else {
 757             remotePath += new File(filePath).getName();
 758         }
 759
 760         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 761         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 762         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 763         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 764         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 765         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 766         startService(i);
 767     }
 768
 769     /**
 770      * Request the operation for moving the file/folder from one path to another
 771      *
 772      * @param data              Intent received
 773      * @param resultCode        Result code received
 774      */
 775     private void requestMoveOperation(Intent data, int resultCode) {
 776         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 777         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 778         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 779     }
 780
 781     @Override
 782     public void onBackPressed() {
 783         OCFileListFragment listOfFiles = getListOfFilesFragment();
 784         if (mDualPane || getSecondFragment() == null) {
 785             if (listOfFiles != null) {  // should never be null, indeed
 786                 if (mDirectories.getCount() <= 1) {
 787                     finish();
 788                     return;
 789                 }
 790                 int levelsUp = listOfFiles.onBrowseUp();
 791                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 792                     popDirname();
 793                 }
 794             }
 795         }
 796         if (listOfFiles != null) {  // should never be null, indeed
 797             setFile(listOfFiles.getCurrentFile());
 798         }
 799         cleanSecondFragment();
 800
 801     }
 802
 803     @Override
 804     protected void onSaveInstanceState(Bundle outState) {
 805         // responsibility of restore is preferred in onCreate() before than in
 806         // onRestoreInstanceState when there are Fragments involved
 807         Log_OC.v(TAG, "onSaveInstanceState() start");
 808         super.onSaveInstanceState(outState);
 809         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 810         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 811         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 812         // mRefreshSharesInProgress);
 813         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 814
 815         Log_OC.v(TAG, "onSaveInstanceState() end");
 816     }
 817
 818
 819
 820     @Override
 821     protected void onResume() {
 822         Log_OC.v(TAG, "onResume() start");
 823         super.onResume();
 824
 825         // refresh Navigation Drawer account list
 826         mNavigationDrawerAdapter.updateAccountList();
 827
 828         // refresh list of files
 829         refreshListOfFilesFragment();
 830
 831         // Listen for sync messages
 832         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 833         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 834         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 835         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 836         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 837         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 838         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 839         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 840         // syncIntentFilter);
 841
 842         // Listen for upload messages
 843         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 844         mUploadFinishReceiver = new UploadFinishReceiver();
 845         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 846
 847         // Listen for download messages
 848         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 849         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 850         mDownloadFinishReceiver = new DownloadFinishReceiver();
 851         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 852
 853         Log_OC.v(TAG, "onResume() end");
 854     }
 855
 856
 857     @Override
 858     protected void onPause() {
 859         Log_OC.v(TAG, "onPause() start");
 860         if (mSyncBroadcastReceiver != null) {
 861             unregisterReceiver(mSyncBroadcastReceiver);
 862             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 863             mSyncBroadcastReceiver = null;
 864         }
 865         if (mUploadFinishReceiver != null) {
 866             unregisterReceiver(mUploadFinishReceiver);
 867             mUploadFinishReceiver = null;
 868         }
 869         if (mDownloadFinishReceiver != null) {
 870             unregisterReceiver(mDownloadFinishReceiver);
 871             mDownloadFinishReceiver = null;
 872         }
 873
 874         super.onPause();
 875         Log_OC.v(TAG, "onPause() end");
 876     }
 877
 878     /**
 879      * Pushes a directory to the drop down list
 880      * @param directory to push
 881      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 882      */
 883     public void pushDirname(OCFile directory) {
 884         if(!directory.isFolder()){
 885             throw new IllegalArgumentException("Only directories may be pushed!");
 886         }
 887         mDirectories.insert(directory.getFileName(), 0);
 888         setFile(directory);
 889     }
 890
 891     /**
 892      * Pops a directory name from the drop down list
 893      * @return True, unless the stack is empty
 894      */
 895     public boolean popDirname() {
 896         mDirectories.remove(mDirectories.getItem(0));
 897         return !mDirectories.isEmpty();
 898     }
 899
 900     // Custom array adapter to override text colors
 901     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 902
 903         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 904             super(ctx, view);
 905         }
 906
 907         public View getView(int position, View convertView, ViewGroup parent) {
 908             View v = super.getView(position, convertView, parent);
 909
 910             ((TextView) v).setTextColor(getResources().getColorStateList(
 911                     android.R.color.white));
 912
 913             fixRoot((TextView) v );
 914             return v;
 915         }
 916
 917         public View getDropDownView(int position, View convertView,
 918                 ViewGroup parent) {
 919             View v = super.getDropDownView(position, convertView, parent);
 920
 921             ((TextView) v).setTextColor(getResources().getColorStateList(
 922                     android.R.color.white));
 923
 924             fixRoot((TextView) v );
 925             return v;
 926         }
 927
 928         private void fixRoot(TextView v) {
 929             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 930                 v.setText(R.string.default_display_name_for_root_folder);
 931             }
 932         }
 933
 934     }
 935
 936     private class SyncBroadcastReceiver extends BroadcastReceiver {
 937
 938         /**
 939          * {@link BroadcastReceiver} to enable syncing feedback in UI
 940          */
 941         @Override
 942         public void onReceive(Context context, Intent intent) {
 943             try {
 944                 String event = intent.getAction();
 945                 Log_OC.d(TAG, "Received broadcast " + event);
 946                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 947                 String synchFolderRemotePath =
 948                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 949                 RemoteOperationResult synchResult =
 950                         (RemoteOperationResult)intent.getSerializableExtra(
 951                                 FileSyncAdapter.EXTRA_RESULT);
 952                 boolean sameAccount = (getAccount() != null &&
 953                         accountName.equals(getAccount().name) && getStorageManager() != null);
 954
 955                 if (sameAccount) {
 956
 957                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 958                         mSyncInProgress = true;
 959
 960                     } else {
 961                         OCFile currentFile = (getFile() == null) ? null :
 962                                 getStorageManager().getFileByPath(getFile().getRemotePath());
 963                         OCFile currentDir = (getCurrentDir() == null) ? null :
 964                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 965
 966                         if (currentDir == null) {
 967                             // current folder was removed from the server
 968                             Toast.makeText( FileDisplayActivity.this,
 969                                             String.format(
 970                                                     getString(R.string.sync_current_folder_was_removed),
 971                                                     mDirectories.getItem(0)),
 972                                             Toast.LENGTH_LONG)
 973                                 .show();
 974                             browseToRoot();
 975
 976                         } else {
 977                             if (currentFile == null && !getFile().isFolder()) {
 978                                 // currently selected file was removed in the server, and now we
 979                                 // know it
 980                                 cleanSecondFragment();
 981                                 currentFile = currentDir;
 982                             }
 983
 984                             if (synchFolderRemotePath != null &&
 985                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 986                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 987                                 if (fileListFragment != null) {
 988                                     fileListFragment.listDirectory();
 989                                     // TODO Enable when "On Device" is recovered ?
 990                                     // fileListFragment.listDirectory(currentDir,
 991                                     // MainApp.getOnlyOnDevice());
 992                                 }
 993                             }
 994                             setFile(currentFile);
 995                         }
 996
 997                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 998                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
 999                                         .equals(event));
1000
1001                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1002                                     equals(event) &&
1003                                 /// TODO refactor and make common
1004                                 synchResult != null && !synchResult.isSuccess() &&
1005                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1006                                     synchResult.isIdPRedirection()                  ||
1007                                     (synchResult.isException() && synchResult.getException()
1008                                             instanceof AuthenticatorException))) {
1009
1010
1011                             try {
1012                                 OwnCloudClient client;
1013                                 OwnCloudAccount ocAccount =
1014                                         new OwnCloudAccount(getAccount(), context);
1015                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1016                                         removeClientFor(ocAccount));
1017
1018                                 if (client != null) {
1019                                     OwnCloudCredentials cred = client.getCredentials();
1020                                     if (cred != null) {
1021                                         AccountManager am = AccountManager.get(context);
1022                                         if (cred.authTokenExpires()) {
1023                                             am.invalidateAuthToken(
1024                                                     getAccount().type,
1025                                                     cred.getAuthToken()
1026                                             );
1027                                         } else {
1028                                             am.clearPassword(getAccount());
1029                                         }
1030                                     }
1031                                 }
1032                                 requestCredentialsUpdate();
1033
1034                             } catch (AccountNotFoundException e) {
1035                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1036                             }
1037
1038                         }
1039                     }
1040                     removeStickyBroadcast(intent);
1041                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1042                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress
1043                     /*|| mRefreshSharesInProgress*/);
1044
1045                     setBackgroundText();
1046
1047                 }
1048
1049                 if (synchResult != null) {
1050                     if (synchResult.getCode().equals(
1051                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1052                         mLastSslUntrustedServerResult = synchResult;
1053                     }
1054                 }
1055             } catch (RuntimeException e) {
1056                 // avoid app crashes after changing the serial id of RemoteOperationResult
1057                 // in owncloud library with broadcast notifications pending to process
1058                 removeStickyBroadcast(intent);
1059             }
1060         }
1061     }
1062
1063     /**
1064      * Show a text message on screen view for notifying user if content is
1065      * loading or folder is empty
1066      */
1067     private void setBackgroundText() {
1068         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1069         if (ocFileListFragment != null) {
1070             int message = R.string.file_list_loading;
1071             if (!mSyncInProgress) {
1072                 // In case file list is empty
1073                 message = R.string.file_list_empty;
1074             }
1075             ocFileListFragment.setMessageForEmptyList(getString(message));
1076         } else {
1077             Log_OC.e(TAG, "OCFileListFragment is null");
1078         }
1079     }
1080
1081     /**
1082      * Once the file upload has finished -> update view
1083      */
1084     private class UploadFinishReceiver extends BroadcastReceiver {
1085         /**
1086          * Once the file upload has finished -> update view
1087          *  @author David A. Velasco
1088          * {@link BroadcastReceiver} to enable upload feedback in UI
1089          */
1090         @Override
1091         public void onReceive(Context context, Intent intent) {
1092             try {
1093                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1094                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1095                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1096                 OCFile currentDir = getCurrentDir();
1097                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1098                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1099
1100                 if (sameAccount && isDescendant) {
1101                     refreshListOfFilesFragment();
1102                 }
1103
1104                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1105                         false);
1106                 boolean renamedInUpload = getFile().getRemotePath().
1107                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1108                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1109                         renamedInUpload;
1110                 FileFragment details = getSecondFragment();
1111                 boolean detailFragmentIsShown = (details != null &&
1112                         details instanceof FileDetailFragment);
1113
1114                 if (sameAccount && sameFile && detailFragmentIsShown) {
1115                     if (uploadWasFine) {
1116                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1117                     }
1118                     if (renamedInUpload) {
1119                         String newName = (new File(uploadedRemotePath)).getName();
1120                         Toast msg = Toast.makeText(
1121                                 context,
1122                                 String.format(
1123                                         getString(R.string.filedetails_renamed_in_upload_msg),
1124                                         newName),
1125                                 Toast.LENGTH_LONG);
1126                         msg.show();
1127                     }
1128                     if (uploadWasFine || getFile().fileExists()) {
1129                         ((FileDetailFragment)details).updateFileDetails(false, true);
1130                     } else {
1131                         cleanSecondFragment();
1132                     }
1133
1134                     // Force the preview if the file is an image
1135                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1136                         startImagePreview(getFile());
1137                     } // TODO what about other kind of previews?
1138                 }
1139
1140             } finally {
1141                 if (intent != null) {
1142                     removeStickyBroadcast(intent);
1143                 }
1144             }
1145
1146         }
1147
1148     }
1149
1150
1151     /**
1152      * Class waiting for broadcast events from the {@link FileDownloader} service.
1153      *
1154      * Updates the UI when a download is started or finished, provided that it is relevant for the
1155      * current folder.
1156      */
1157     private class DownloadFinishReceiver extends BroadcastReceiver {
1158
1159         //int refreshCounter = 0;
1160         @Override
1161         public void onReceive(Context context, Intent intent) {
1162             try {
1163                 boolean sameAccount = isSameAccount(context, intent);
1164                 String downloadedRemotePath =
1165                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1166                 boolean isDescendant = isDescendant(downloadedRemotePath);
1167
1168                 if (sameAccount && isDescendant) {
1169                     String linkedToRemotePath =
1170                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1171                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1172                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1173                         refreshListOfFilesFragment();
1174                     }
1175                     refreshSecondFragment(
1176                             intent.getAction(),
1177                             downloadedRemotePath,
1178                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1179                     );
1180                 }
1181
1182                 if (mWaitingToSend != null) {
1183                     mWaitingToSend =
1184                             getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1185                     if (mWaitingToSend.isDown()) {
1186                         sendDownloadedFile();
1187                     }
1188                 }
1189
1190             } finally {
1191                 if (intent != null) {
1192                     removeStickyBroadcast(intent);
1193                 }
1194             }
1195         }
1196
1197         private boolean isDescendant(String downloadedRemotePath) {
1198             OCFile currentDir = getCurrentDir();
1199             return (
1200                 currentDir != null &&
1201                 downloadedRemotePath != null &&
1202                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1203             );
1204         }
1205
1206         private boolean isAscendant(String linkedToRemotePath) {
1207             OCFile currentDir = getCurrentDir();
1208             return (
1209                 currentDir != null &&
1210                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1211             );
1212         }
1213
1214         private boolean isSameAccount(Context context, Intent intent) {
1215             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1216             return (accountName != null && getAccount() != null &&
1217                     accountName.equals(getAccount().name));
1218         }
1219     }
1220
1221
1222     public void browseToRoot() {
1223         OCFileListFragment listOfFiles = getListOfFilesFragment();
1224         if (listOfFiles != null) {  // should never be null, indeed
1225             while (mDirectories.getCount() > 1) {
1226                 popDirname();
1227             }
1228             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1229             listOfFiles.listDirectory(root);
1230             // TODO Enable when "On Device" is recovered ?
1231             // listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1232             setFile(listOfFiles.getCurrentFile());
1233             startSyncFolderOperation(root, false);
1234         }
1235         cleanSecondFragment();
1236     }
1237
1238
1239     public void browseTo(OCFile folder) {
1240         if (folder == null || !folder.isFolder()) {
1241             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1242         }
1243         OCFileListFragment listOfFiles = getListOfFilesFragment();
1244         if (listOfFiles != null) {
1245             setNavigationListWithFolder(folder);
1246             listOfFiles.listDirectory(folder);
1247             // TODO Enable when "On Device" is recovered ?
1248             // listOfFiles.listDirectory(folder, MainApp.getOnlyOnDevice());
1249             setFile(listOfFiles.getCurrentFile());
1250             startSyncFolderOperation(folder, false);
1251         } else {
1252             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1253         }
1254         cleanSecondFragment();
1255     }
1256
1257
1258     /**
1259      * {@inheritDoc}
1260      *
1261      * Updates action bar and second fragment, if in dual pane mode.
1262      */
1263     @Override
1264     public void onBrowsedDownTo(OCFile directory) {
1265         pushDirname(directory);
1266         cleanSecondFragment();
1267
1268         // Sync Folder
1269         startSyncFolderOperation(directory, false);
1270
1271     }
1272
1273     /**
1274      * Shows the information of the {@link OCFile} received as a
1275      * parameter in the second fragment.
1276      *
1277      * @param file          {@link OCFile} whose details will be shown
1278      */
1279     @Override
1280     public void showDetails(OCFile file) {
1281         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1282         setSecondFragment(detailFragment);
1283         updateFragmentsVisibility(true);
1284         updateNavigationElementsInActionBar(file);
1285         setFile(file);
1286     }
1287
1288
1289     /**
1290      * TODO
1291      */
1292     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1293         ActionBar actionBar = getSupportActionBar();
1294
1295         // For adding content description tag to a title field in the action bar
1296         int actionBarTitleId = getResources().getIdentifier("action_bar_title", "id", "android");
1297
1298         if (chosenFile == null || mDualPane) {
1299             // only list of files - set for browsing through folders
1300             OCFile currentDir = getCurrentDir();
1301             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1302 //            actionBar.setDisplayHomeAsUpEnabled(noRoot);
1303 //            actionBar.setDisplayShowTitleEnabled(!noRoot);
1304             actionBar.setDisplayHomeAsUpEnabled(true);
1305             actionBar.setDisplayShowTitleEnabled(true);
1306             if (!noRoot) {
1307                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1308                 View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1309                 if (actionBarTitleView != null) {    // it's null in Android 2.x
1310                     actionBarTitleView.setContentDescription(
1311                             getString(R.string.default_display_name_for_root_folder));
1312                 }
1313             }
1314             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD :
1315                     ActionBar.NAVIGATION_MODE_LIST);
1316             actionBar.setListNavigationCallbacks(mDirectories, this);
1317             // assuming mDirectories is updated
1318
1319         } else {
1320             actionBar.setDisplayHomeAsUpEnabled(true);
1321             actionBar.setDisplayShowTitleEnabled(true);
1322             actionBar.setTitle(chosenFile.getFileName());
1323             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1324             View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1325             if (actionBarTitleView != null) {    // it's null in Android 2.x
1326                 getWindow().getDecorView().findViewById(actionBarTitleId).
1327                         setContentDescription(chosenFile.getFileName());
1328             }
1329         }
1330     }
1331
1332
1333     @Override
1334     protected ServiceConnection newTransferenceServiceConnection() {
1335         return new ListServiceConnection();
1336     }
1337
1338     /** Defines callbacks for service binding, passed to bindService() */
1339     private class ListServiceConnection implements ServiceConnection {
1340
1341         @Override
1342         public void onServiceConnected(ComponentName component, IBinder service) {
1343             if (component.equals(new ComponentName(
1344                     FileDisplayActivity.this, FileDownloader.class))) {
1345                 Log_OC.d(TAG, "Download service connected");
1346                 mDownloaderBinder = (FileDownloaderBinder) service;
1347                 if (mWaitingToPreview != null)
1348                     if (getStorageManager() != null) {
1349                          // update the file
1350                         mWaitingToPreview =
1351                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1352                         if (!mWaitingToPreview.isDown()) {
1353                             requestForDownload();
1354                         }
1355                 }
1356
1357             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1358                     FileUploader.class))) {
1359                 Log_OC.d(TAG, "Upload service connected");
1360                 mUploaderBinder = (FileUploaderBinder) service;
1361             } else {
1362                 return;
1363             }
1364             // a new chance to get the mDownloadBinder through
1365             // getFileDownloadBinder() - THIS IS A MESS
1366             OCFileListFragment listOfFiles = getListOfFilesFragment();
1367             if (listOfFiles != null) {
1368                 listOfFiles.listDirectory();
1369                 // TODO Enable when "On Device" is recovered ?
1370                 // listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1371             }
1372             FileFragment secondFragment = getSecondFragment();
1373             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1374                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1375                 detailFragment.listenForTransferProgress();
1376                 detailFragment.updateFileDetails(false, false);
1377             }
1378         }
1379
1380         @Override
1381         public void onServiceDisconnected(ComponentName component) {
1382             if (component.equals(new ComponentName(FileDisplayActivity.this,
1383                     FileDownloader.class))) {
1384                 Log_OC.d(TAG, "Download service disconnected");
1385                 mDownloaderBinder = null;
1386             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1387                     FileUploader.class))) {
1388                 Log_OC.d(TAG, "Upload service disconnected");
1389                 mUploaderBinder = null;
1390             }
1391         }
1392     };
1393
1394     @Override
1395     public void onSavedCertificate() {
1396         startSyncFolderOperation(getCurrentDir(), false);
1397     }
1398
1399
1400     @Override
1401     public void onFailedSavingCertificate() {
1402         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1403                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1404         );
1405         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1406     }
1407
1408     @Override
1409     public void onCancelCertificate() {
1410         // nothing to do
1411     }
1412
1413     /**
1414      * Updates the view associated to the activity after the finish of some operation over files
1415      * in the current account.
1416      *
1417      * @param operation     Removal operation performed.
1418      * @param result        Result of the removal.
1419      */
1420     @Override
1421     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1422         super.onRemoteOperationFinish(operation, result);
1423
1424         if (operation instanceof RemoveFileOperation) {
1425             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1426
1427         } else if (operation instanceof RenameFileOperation) {
1428             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1429
1430         } else if (operation instanceof SynchronizeFileOperation) {
1431             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1432
1433         } else if (operation instanceof CreateFolderOperation) {
1434             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1435
1436         } else if (operation instanceof CreateShareOperation) {
1437             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1438
1439         } else if (operation instanceof UnshareLinkOperation) {
1440             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1441
1442         } else if (operation instanceof MoveFileOperation) {
1443             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1444         }
1445
1446     }
1447
1448
1449     private void onCreateShareOperationFinish(CreateShareOperation operation,
1450                                               RemoteOperationResult result) {
1451         if (result.isSuccess()) {
1452             refreshShowDetails();
1453             refreshListOfFilesFragment();
1454         }
1455     }
1456
1457
1458     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation,
1459                                               RemoteOperationResult result) {
1460         if (result.isSuccess()) {
1461             refreshShowDetails();
1462             refreshListOfFilesFragment();
1463
1464         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1465             cleanSecondFragment();
1466             refreshListOfFilesFragment();
1467         }
1468     }
1469
1470     private void refreshShowDetails() {
1471         FileFragment details = getSecondFragment();
1472         if (details != null) {
1473             OCFile file = details.getFile();
1474             if (file != null) {
1475                 file = getStorageManager().getFileByPath(file.getRemotePath());
1476                 if (details instanceof PreviewMediaFragment) {
1477                     // Refresh  OCFile of the fragment
1478                     ((PreviewMediaFragment) details).updateFile(file);
1479                 } else {
1480                     showDetails(file);
1481                 }
1482             }
1483             invalidateOptionsMenu();
1484         }
1485     }
1486
1487     /**
1488      * Updates the view associated to the activity after the finish of an operation trying to
1489      * remove a file.
1490      *
1491      * @param operation     Removal operation performed.
1492      * @param result        Result of the removal.
1493      */
1494     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1495                                              RemoteOperationResult result) {
1496         dismissLoadingDialog();
1497
1498         Toast msg = Toast.makeText(this,
1499                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1500                 Toast.LENGTH_LONG);
1501         msg.show();
1502
1503         if (result.isSuccess()) {
1504             OCFile removedFile = operation.getFile();
1505             FileFragment second = getSecondFragment();
1506             if (second != null && removedFile.equals(second.getFile())) {
1507                 if (second instanceof PreviewMediaFragment) {
1508                     ((PreviewMediaFragment)second).stopPreview(true);
1509                 }
1510                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1511                 cleanSecondFragment();
1512             }
1513             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1514                 refreshListOfFilesFragment();
1515             }
1516             invalidateOptionsMenu();
1517         } else {
1518             if (result.isSslRecoverableException()) {
1519                 mLastSslUntrustedServerResult = result;
1520                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1521             }
1522         }
1523     }
1524
1525
1526     /**
1527      * Updates the view associated to the activity after the finish of an operation trying to move a
1528      * file.
1529      *
1530      * @param operation     Move operation performed.
1531      * @param result        Result of the move operation.
1532      */
1533     private void onMoveFileOperationFinish(MoveFileOperation operation,
1534                                            RemoteOperationResult result) {
1535         if (result.isSuccess()) {
1536             dismissLoadingDialog();
1537             refreshListOfFilesFragment();
1538         } else {
1539             dismissLoadingDialog();
1540             try {
1541                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1542                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1543                         Toast.LENGTH_LONG);
1544                 msg.show();
1545
1546             } catch (NotFoundException e) {
1547                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1548             }
1549         }
1550     }
1551
1552
1553     /**
1554      * Updates the view associated to the activity after the finish of an operation trying to rename
1555      * a file.
1556      *
1557      * @param operation     Renaming operation performed.
1558      * @param result        Result of the renaming.
1559      */
1560     private void onRenameFileOperationFinish(RenameFileOperation operation,
1561                                              RemoteOperationResult result) {
1562         dismissLoadingDialog();
1563         OCFile renamedFile = operation.getFile();
1564         if (result.isSuccess()) {
1565             FileFragment details = getSecondFragment();
1566             if (details != null) {
1567                 if (details instanceof FileDetailFragment &&
1568                         renamedFile.equals(details.getFile()) ) {
1569                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1570                     showDetails(renamedFile);
1571
1572                 } else if (details instanceof PreviewMediaFragment &&
1573                         renamedFile.equals(details.getFile())) {
1574                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1575                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1576                         int position = ((PreviewMediaFragment)details).getPosition();
1577                         startMediaPreview(renamedFile, position, true);
1578                     } else {
1579                         getFileOperationsHelper().openFile(renamedFile);
1580                     }
1581                 }
1582             }
1583
1584             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1585                 refreshListOfFilesFragment();
1586             }
1587
1588         } else {
1589             Toast msg = Toast.makeText(this,
1590                     ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1591                     Toast.LENGTH_LONG);
1592             msg.show();
1593
1594             if (result.isSslRecoverableException()) {
1595                 mLastSslUntrustedServerResult = result;
1596                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1597             }
1598         }
1599     }
1600
1601     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
1602                                                   RemoteOperationResult result) {
1603         dismissLoadingDialog();
1604         OCFile syncedFile = operation.getLocalFile();
1605         if (!result.isSuccess()) {
1606             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1607                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1608                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1609                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1610                 startActivity(i);
1611
1612             }
1613
1614         } else {
1615             if (operation.transferWasRequested()) {
1616                 onTransferStateChanged(syncedFile, true, true);
1617
1618             } else {
1619                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result,
1620                                 operation, getResources()), Toast.LENGTH_LONG);
1621                 msg.show();
1622             }
1623         }
1624     }
1625
1626     /**
1627      * Updates the view associated to the activity after the finish of an operation trying create a
1628      * new folder
1629      *
1630      * @param operation     Creation operation performed.
1631      * @param result        Result of the creation.
1632      */
1633     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1634                                                RemoteOperationResult result) {
1635         if (result.isSuccess()) {
1636             dismissLoadingDialog();
1637             refreshListOfFilesFragment();
1638         } else {
1639             dismissLoadingDialog();
1640             try {
1641                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1642                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1643                         Toast.LENGTH_LONG);
1644                 msg.show();
1645
1646             } catch (NotFoundException e) {
1647                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1648             }
1649         }
1650     }
1651
1652
1653     /**
1654      * {@inheritDoc}
1655      */
1656     @Override
1657     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1658         refreshListOfFilesFragment();
1659         FileFragment details = getSecondFragment();
1660         if (details != null && details instanceof FileDetailFragment &&
1661                 file.equals(details.getFile()) ) {
1662             if (downloading || uploading) {
1663                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1664             } else {
1665                 if (!file.fileExists()) {
1666                     cleanSecondFragment();
1667                 } else {
1668                     ((FileDetailFragment)details).updateFileDetails(false, true);
1669                 }
1670             }
1671         }
1672
1673     }
1674
1675
1676     private void requestForDownload() {
1677         Account account = getAccount();
1678         //if (!mWaitingToPreview.isDownloading()) {
1679         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1680             Intent i = new Intent(this, FileDownloader.class);
1681             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1682             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1683             startService(i);
1684         }
1685     }
1686
1687
1688     private OCFile getCurrentDir() {
1689         OCFile file = getFile();
1690         if (file != null) {
1691             if (file.isFolder()) {
1692                 return file;
1693             } else if (getStorageManager() != null) {
1694                 String parentPath = file.getRemotePath().substring(0,
1695                         file.getRemotePath().lastIndexOf(file.getFileName()));
1696                 return getStorageManager().getFileByPath(parentPath);
1697             }
1698         }
1699         return null;
1700     }
1701
1702     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1703         long currentSyncTime = System.currentTimeMillis();
1704
1705         mSyncInProgress = true;
1706
1707         // perform folder synchronization
1708         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1709                 currentSyncTime,
1710                 false,
1711                 getFileOperationsHelper().isSharedSupported(),
1712                 ignoreETag,
1713                 getStorageManager(),
1714                 getAccount(),
1715                 getApplicationContext()
1716         );
1717         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1718
1719         setSupportProgressBarIndeterminateVisibility(true);
1720
1721         setBackgroundText();
1722     }
1723
1724     /**
1725      * Show untrusted cert dialog
1726      */
1727     public void showUntrustedCertDialog(RemoteOperationResult result) {
1728         // Show a dialog with the certificate info
1729         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1730                 (CertificateCombinedException) result.getException());
1731         FragmentManager fm = getSupportFragmentManager();
1732         FragmentTransaction ft = fm.beginTransaction();
1733         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1734     }
1735
1736     private void requestForDownload(OCFile file) {
1737         Account account = getAccount();
1738         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1739             Intent i = new Intent(this, FileDownloader.class);
1740             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1741             i.putExtra(FileDownloader.EXTRA_FILE, file);
1742             startService(i);
1743         }
1744     }
1745
1746     private void sendDownloadedFile(){
1747         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1748         mWaitingToSend = null;
1749     }
1750
1751
1752     /**
1753      * Requests the download of the received {@link OCFile} , updates the UI
1754      * to monitor the download progress and prepares the activity to send the file
1755      * when the download finishes.
1756      *
1757      * @param file          {@link OCFile} to download and preview.
1758      */
1759     public void startDownloadForSending(OCFile file) {
1760         mWaitingToSend = file;
1761         requestForDownload(mWaitingToSend);
1762         boolean hasSecondFragment = (getSecondFragment()!= null);
1763         updateFragmentsVisibility(hasSecondFragment);
1764     }
1765
1766     /**
1767      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1768      *
1769      * @param file                      Image {@link OCFile} to show.
1770      */
1771     public void startImagePreview(OCFile file) {
1772         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1773         showDetailsIntent.putExtra(EXTRA_FILE, file);
1774         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1775         startActivity(showDetailsIntent);
1776
1777     }
1778
1779     /**
1780      * Stars the preview of an already down media {@link OCFile}.
1781      *
1782      * @param file                      Media {@link OCFile} to preview.
1783      * @param startPlaybackPosition     Media position where the playback will be started,
1784      *                                  in milliseconds.
1785      * @param autoplay                  When 'true', the playback will start without user
1786      *                                  interactions.
1787      */
1788     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1789         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1790                 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 //    public void restart(){
1863 //        Intent i = new Intent(this, FileDisplayActivity.class);
1864 //        i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
1865 //        startActivity(i);
1866 //    }
1867
1868 //    public void closeDrawer() {
1869 //        mDrawerLayout.closeDrawers();
1870 //    }
1871
1872 //    private class DrawerItemClickListener implements ListView.OnItemClickListener {
1873 //        @Override
1874 //        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
1875 //            if (mShowAccounts && position > 0){
1876 //                position = position - 1;
1877 //            }
1878 //            switch (position){
1879 //                case 0: // Accounts
1880 //                    mShowAccounts = !mShowAccounts;
1881 //                    mNavigationDrawerAdapter.setShowAccounts(mShowAccounts);
1882 //                    mNavigationDrawerAdapter.notifyDataSetChanged();
1883 //                    break;
1884 //
1885 //                case 1: // All Files
1886 //                    // TODO Enable when "On Device" is recovered ?
1887 //                    //MainApp.showOnlyFilesOnDevice(false);
1888 //                    mDrawerLayout.closeDrawers();
1889 //                    break;
1890 //
1891 //                // TODO Enable when "On Device" is recovered ?
1892 ////                case 2:
1893 ////                    MainApp.showOnlyFilesOnDevice(true);
1894 ////                    mDrawerLayout.closeDrawers();
1895 ////                    break;
1896 //
1897 //                case 2: // Settings
1898 //                    Intent settingsIntent = new Intent(getApplicationContext(),
1899 //                            Preferences.class);
1900 //                    startActivity(settingsIntent);
1901 //                    break;
1902 //
1903 //                case 3: // Logs
1904 //                    Intent loggerIntent = new Intent(getApplicationContext(),
1905 //                            LogHistoryActivity.class);
1906 //                    startActivity(loggerIntent);
1907 //                    break;
1908 //            }
1909 //        }
1910 //    }
1911 }