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.lib.resources.files.FileUtils;
  81 import com.owncloud.android.operations.CreateFolderOperation;
  82 import com.owncloud.android.operations.CreateShareOperation;
  83 import com.owncloud.android.operations.MoveFileOperation;
  84 import com.owncloud.android.operations.RefreshFolderOperation;
  85 import com.owncloud.android.operations.RemoveFileOperation;
  86 import com.owncloud.android.operations.RenameFileOperation;
  87 import com.owncloud.android.operations.SynchronizeFileOperation;
  88 import com.owncloud.android.operations.UnshareLinkOperation;
  89 import com.owncloud.android.services.observer.FileObserverService;
  90 import com.owncloud.android.syncadapter.FileSyncAdapter;
  91 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  92 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  93 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  94 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  95 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
  96 import com.owncloud.android.ui.fragment.FileDetailFragment;
  97 import com.owncloud.android.ui.fragment.FileFragment;
  98 import com.owncloud.android.ui.fragment.OCFileListFragment;
  99 import com.owncloud.android.ui.preview.PreviewImageActivity;
 100 import com.owncloud.android.ui.preview.PreviewImageFragment;
 101 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 102 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 103 import com.owncloud.android.utils.DisplayUtils;
 104 import com.owncloud.android.utils.ErrorMessageAdapter;
 105 import com.owncloud.android.utils.FileStorageUtils;
 106 import com.owncloud.android.utils.UriUtils;
 107
 108 import java.io.File;
 109
 110
 111 /**
 112  * Displays, what files the user has available in his ownCloud.
 113  */
 114
 115 public class FileDisplayActivity extends HookActivity implements
 116         FileFragment.ContainerActivity, ActionBar.OnNavigationListener,
 117         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 118
 119     private ArrayAdapter<String> mDirectories;
 120
 121     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 122     private UploadFinishReceiver mUploadFinishReceiver;
 123     private DownloadFinishReceiver mDownloadFinishReceiver;
 124     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 125
 126     private boolean mDualPane;
 127     private View mLeftFragmentContainer;
 128     private View mRightFragmentContainer;
 129
 130     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 131     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 132     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 133
 134     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 135
 136     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 137     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 138     public static final int ACTION_MOVE_FILES = 3;
 139
 140     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 141
 142     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 143     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 144
 145     private OCFile mWaitingToPreview;
 146
 147     private boolean mSyncInProgress = false;
 148
 149     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 150     private static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 151     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 152     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 153
 154     private OCFile mWaitingToSend;
 155
 156
 157     @Override
 158     protected void onCreate(Bundle savedInstanceState) {
 159         Log_OC.v(TAG, "onCreate() start");
 160         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 161
 162         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account
 163                                             // is valid
 164
 165         /// grant that FileObserverService is watching favorite files
 166         if (savedInstanceState == null) {
 167             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 168             startService(initObserversIntent);
 169         }
 170
 171         /// Load of saved instance state
 172         if(savedInstanceState != null) {
 173             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(
 174                     FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 175             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 176             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(
 177                     FileDisplayActivity.KEY_WAITING_TO_SEND);
 178
 179         } else {
 180             mWaitingToPreview = null;
 181             mSyncInProgress = false;
 182             mWaitingToSend = null;
 183         }
 184
 185         /// USER INTERFACE
 186
 187         // Inflate and set the layout view
 188         setContentView(R.layout.files);
 189
 190         // Navigation Drawer
 191         initDrawer();
 192
 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,
 202                 R.layout.support_simple_spinner_dropdown_item);
 203         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 204                                                                 // according to the official
 205                                                                 // documentation
 206
 207         setSupportProgressBarIndeterminateVisibility(mSyncInProgress
 208         /*|| mRefreshSharesInProgress*/);
 209         // always AFTER setContentView(...) ; to work around bug in its implementation
 210
 211         setBackgroundText();
 212
 213         Log_OC.v(TAG, "onCreate() end");
 214     }
 215
 216     @Override
 217     protected void onStart() {
 218         Log_OC.v(TAG, "onStart() start");
 219         super.onStart();
 220         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 221         Log_OC.v(TAG, "onStart() end");
 222     }
 223
 224     @Override
 225     protected void onDestroy() {
 226         Log_OC.v(TAG, "onDestroy() start");
 227         super.onDestroy();
 228         Log_OC.v(TAG, "onDestroy() end");
 229     }
 230
 231     /**
 232      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 233      */
 234     @Override
 235     protected void onAccountSet(boolean stateWasRecovered) {
 236         super.onAccountSet(stateWasRecovered);
 237         if (getAccount() != null) {
 238             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 239             // current Account
 240             OCFile file = getFile();
 241             // get parent from path
 242             String parentPath = "";
 243             if (file != null) {
 244                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 245                     // upload in progress - right now, files are not inserted in the local
 246                     // cache until the upload is successful get parent from path
 247                     parentPath = file.getRemotePath().substring(0,
 248                             file.getRemotePath().lastIndexOf(file.getFileName()));
 249                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 250                         file = null; // not able to know the directory where the file is uploading
 251                 } else {
 252                     file = getStorageManager().getFileByPath(file.getRemotePath());
 253                     // currentDir = null if not in the current Account
 254                 }
 255             }
 256             if (file == null) {
 257                 // fall back to root folder
 258                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 259             }
 260             setFile(file);
 261             setNavigationListWithFolder(file);
 262
 263             if (!stateWasRecovered) {
 264                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 265                 initFragmentsWithFile();
 266                 if (file.isFolder()) {
 267                     startSyncFolderOperation(file, false);
 268                 }
 269
 270             } else {
 271                 updateFragmentsVisibility(!file.isFolder());
 272                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 273             }
 274         }
 275     }
 276
 277
 278     private void setNavigationListWithFolder(OCFile file) {
 279         mDirectories.clear();
 280         OCFile fileIt = file;
 281         String parentPath;
 282         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 283             if (fileIt.isFolder()) {
 284                 mDirectories.add(fileIt.getFileName());
 285             }
 286             // get parent from path
 287             parentPath = fileIt.getRemotePath().substring(0,
 288                     fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 289             fileIt = getStorageManager().getFileByPath(parentPath);
 290         }
 291         mDirectories.add(OCFile.PATH_SEPARATOR);
 292     }
 293
 294
 295     private void createMinFragments() {
 296         OCFileListFragment listOfFiles = new OCFileListFragment();
 297         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 298         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 299         transaction.commit();
 300     }
 301
 302     private void initFragmentsWithFile() {
 303         if (getAccount() != null && getFile() != null) {
 304             /// First fragment
 305             OCFileListFragment listOfFiles = getListOfFilesFragment();
 306             if (listOfFiles != null) {
 307                 listOfFiles.listDirectory(getCurrentDir());
 308                 // TODO Enable when "On Device" is recovered
 309                 // listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 310             } else {
 311                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 312             }
 313
 314             /// Second fragment
 315             OCFile file = getFile();
 316             Fragment secondFragment = chooseInitialSecondFragment(file);
 317             if (secondFragment != null) {
 318                 setSecondFragment(secondFragment);
 319                 updateFragmentsVisibility(true);
 320                 updateNavigationElementsInActionBar(file);
 321
 322             } else {
 323                 cleanSecondFragment();
 324             }
 325
 326         } else {
 327             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 328             if (getAccount() == null) {
 329                 Log_OC.wtf(TAG, "\t account is NULL");
 330             }
 331             if (getFile() == null) {
 332                 Log_OC.wtf(TAG, "\t file is NULL");
 333             }
 334         }
 335     }
 336
 337     private Fragment chooseInitialSecondFragment(OCFile file) {
 338         Fragment secondFragment = null;
 339         if (file != null && !file.isFolder()) {
 340             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 341                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 342                     ) {
 343                 int startPlaybackPosition =
 344                         getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 345                 boolean autoplay =
 346                         getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 347                 secondFragment = new PreviewMediaFragment(file, getAccount(),
 348                         startPlaybackPosition, autoplay);
 349
 350             } else {
 351                 secondFragment = new FileDetailFragment(file, getAccount());
 352             }
 353         }
 354         return secondFragment;
 355     }
 356
 357
 358     /**
 359      * Replaces the second fragment managed by the activity with the received as
 360      * a parameter.
 361      *
 362      * Assumes never will be more than two fragments managed at the same time.
 363      *
 364      * @param fragment      New second Fragment to set.
 365      */
 366     private void setSecondFragment(Fragment fragment) {
 367         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 368         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 369         transaction.commit();
 370     }
 371
 372
 373     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 374         if (mDualPane) {
 375             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 376                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 377             }
 378             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 379                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 380             }
 381
 382         } else if (existsSecondFragment) {
 383             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 384                 mLeftFragmentContainer.setVisibility(View.GONE);
 385             }
 386             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 387                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 388             }
 389
 390         } else {
 391             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 392                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 393             }
 394             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 395                 mRightFragmentContainer.setVisibility(View.GONE);
 396             }
 397         }
 398     }
 399
 400
 401     private OCFileListFragment getListOfFilesFragment() {
 402         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 403                 FileDisplayActivity.TAG_LIST_OF_FILES);
 404         if (listOfFiles != null) {
 405             return (OCFileListFragment)listOfFiles;
 406         }
 407         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 408         return null;
 409     }
 410
 411     public FileFragment getSecondFragment() {
 412         Fragment second = getSupportFragmentManager().findFragmentByTag(
 413                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 414         if (second != null) {
 415             return (FileFragment)second;
 416         }
 417         return null;
 418     }
 419
 420     protected void cleanSecondFragment() {
 421         Fragment second = getSecondFragment();
 422         if (second != null) {
 423             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 424             tr.remove(second);
 425             tr.commit();
 426         }
 427         updateFragmentsVisibility(false);
 428         updateNavigationElementsInActionBar(null);
 429     }
 430
 431     protected void refreshListOfFilesFragment() {
 432         OCFileListFragment fileListFragment = getListOfFilesFragment();
 433         if (fileListFragment != null) {
 434             fileListFragment.listDirectory();
 435             // TODO Enable when "On Device" is recovered ?
 436             // fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 437         }
 438     }
 439
 440     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath,
 441                                          boolean success) {
 442         FileFragment secondFragment = getSecondFragment();
 443         boolean waitedPreview = (mWaitingToPreview != null &&
 444                 mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 445         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 446             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 447             OCFile fileInFragment = detailsFragment.getFile();
 448             if (fileInFragment != null &&
 449                     !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 450                 // the user browsed to other file ; forget the automatic preview
 451                 mWaitingToPreview = null;
 452
 453             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 454                 // grant that the right panel updates the progress bar
 455                 detailsFragment.listenForTransferProgress();
 456                 detailsFragment.updateFileDetails(true, false);
 457
 458             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 459                 //  update the right panel
 460                 boolean detailsFragmentChanged = false;
 461                 if (waitedPreview) {
 462                     if (success) {
 463                         mWaitingToPreview = getStorageManager().getFileById(
 464                                 mWaitingToPreview.getFileId());   // update the file from database,
 465                                                                   // for the local storage path
 466                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 467                             startMediaPreview(mWaitingToPreview, 0, true);
 468                             detailsFragmentChanged = true;
 469                         } else {
 470                             getFileOperationsHelper().openFile(mWaitingToPreview);
 471                         }
 472                     }
 473                     mWaitingToPreview = null;
 474                 }
 475                 if (!detailsFragmentChanged) {
 476                     detailsFragment.updateFileDetails(false, (success));
 477                 }
 478             }
 479         }
 480     }
 481
 482     @Override
 483     public boolean onPrepareOptionsMenu(Menu menu) {
 484         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 485         menu.findItem(R.id.action_upload).setVisible(!drawerOpen);
 486         menu.findItem(R.id.action_create_dir).setVisible(!drawerOpen);
 487         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 488         menu.findItem(R.id.action_sync_account).setVisible(!drawerOpen);
 489
 490         return super.onPrepareOptionsMenu(menu);
 491     }
 492
 493     @Override
 494     public boolean onCreateOptionsMenu(Menu menu) {
 495         MenuInflater inflater = getMenuInflater();
 496         inflater.inflate(R.menu.main_menu, menu);
 497         return true;
 498     }
 499
 500
 501     @Override
 502     public boolean onOptionsItemSelected(MenuItem item) {
 503         boolean retval = true;
 504         switch (item.getItemId()) {
 505             case R.id.action_create_dir: {
 506                 CreateFolderDialogFragment dialog =
 507                         CreateFolderDialogFragment.newInstance(getCurrentDir());
 508                 dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 509                 break;
 510             }
 511             case R.id.action_sync_account: {
 512                 startSynchronization();
 513                 break;
 514             }
 515             case R.id.action_upload: {
 516                 UploadSourceDialogFragment dialog =
 517                         UploadSourceDialogFragment.newInstance(getAccount());
 518                 dialog.show(getSupportFragmentManager(), DIALOG_UPLOAD_SOURCE);
 519
 520                 break;
 521             }
 522             case android.R.id.home: {
 523                 if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 524                     mDrawerLayout.closeDrawer(GravityCompat.START);
 525                 } else {
 526                     mDrawerLayout.openDrawer(GravityCompat.START);
 527                 }
 528                 break;
 529             }
 530             case R.id.action_sort: {
 531                 SharedPreferences appPreferences = PreferenceManager
 532                         .getDefaultSharedPreferences(this);
 533
 534                 // Read sorting order, default to sort by name ascending
 535                 Integer sortOrder = appPreferences
 536                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 537
 538                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 539                 builder.setTitle(R.string.actionbar_sort_title)
 540                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 541                                 new DialogInterface.OnClickListener() {
 542                             public void onClick(DialogInterface dialog, int which) {
 543                                 switch (which){
 544                                     case 0:
 545                                         sortByName(true);
 546                                         break;
 547                                     case 1:
 548                                         sortByDate(false);
 549                                         break;
 550                                 }
 551
 552                                 dialog.dismiss();
 553                             }
 554                         });
 555                 builder.create().show();
 556                 break;
 557             }
 558         default:
 559             retval = super.onOptionsItemSelected(item);
 560         }
 561         return retval;
 562     }
 563
 564     private void startSynchronization() {
 565         Log_OC.d(TAG, "Got to start sync");
 566         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 567             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 568             ContentResolver.cancelSync(null, MainApp.getAuthority());
 569             // cancel the current synchronizations of any ownCloud account
 570             Bundle bundle = new Bundle();
 571             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 572             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 573             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 574                     MainApp.getAuthority());
 575             ContentResolver.requestSync(
 576                     getAccount(),
 577                     MainApp.getAuthority(), bundle);
 578         } else {
 579             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 580                     MainApp.getAuthority() + " with new API");
 581             SyncRequest.Builder builder = new SyncRequest.Builder();
 582             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 583             builder.setExpedited(true);
 584             builder.setManual(true);
 585             builder.syncOnce();
 586
 587             // Fix bug in Android Lollipop when you click on refresh the whole account
 588             Bundle extras = new Bundle();
 589             builder.setExtras(extras);
 590
 591             SyncRequest request = builder.build();
 592             ContentResolver.requestSync(request);
 593         }
 594     }
 595
 596
 597     @Override
 598     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 599         if (itemPosition != 0) {
 600             String targetPath = "";
 601             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 602                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 603             }
 604             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 605             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 606             if (targetFolder != null) {
 607                 browseTo(targetFolder);
 608             }
 609
 610             // the next operation triggers a new call to this method, but it's necessary to
 611             // ensure that the name exposed in the action bar is the current directory when the
 612             // user selected it in the navigation list
 613             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  &&
 614                     itemPosition != 0)
 615                 getSupportActionBar().setSelectedNavigationItem(0);
 616         }
 617         return true;
 618     }
 619
 620     /**
 621      * Called, when the user selected something for uploading
 622      *
 623      */
 624     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 625     @Override
 626     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 627
 628         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 629                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 630             //getClipData is only supported on api level 16+, Jelly Bean
 631             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 632                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 633                     Intent intent = new Intent();
 634                     intent.setData(data.getClipData().getItemAt(i).getUri());
 635                     requestSimpleUpload(intent, resultCode);
 636                 }
 637             }else {
 638                 requestSimpleUpload(data, resultCode);
 639             }
 640         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 641                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 642             requestMultipleUpload(data, resultCode);
 643
 644         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 645
 646             final Intent fData = data;
 647             final int fResultCode = resultCode;
 648             getHandler().postDelayed(
 649                 new Runnable() {
 650                     @Override
 651                     public void run() {
 652                         requestMoveOperation(fData, fResultCode);
 653                     }
 654                 },
 655                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 656             );
 657
 658         } else {
 659             super.onActivityResult(requestCode, resultCode, data);
 660         }
 661
 662     }
 663
 664     private void requestMultipleUpload(Intent data, int resultCode) {
 665         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 666         if (filePaths != null) {
 667             String[] remotePaths = new String[filePaths.length];
 668             String remotePathBase = "";
 669
 670             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 671                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 672             }
 673             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 674                 remotePathBase += OCFile.PATH_SEPARATOR;
 675             for (int j = 0; j< remotePaths.length; j++) {
 676                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 677             }
 678
 679             Intent i = new Intent(this, FileUploader.class);
 680             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 681             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 682             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 683             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 684             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 685                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 686             startService(i);
 687
 688         } else {
 689             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 690             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 691                     Toast.LENGTH_LONG);
 692             t.show();
 693             return;
 694         }
 695     }
 696
 697
 698     private void requestSimpleUpload(Intent data, int resultCode) {
 699         String filePath = null;
 700         String mimeType = null;
 701
 702         Uri selectedImageUri = data.getData();
 703
 704         try {
 705             mimeType = getContentResolver().getType(selectedImageUri);
 706
 707             String fileManagerString = selectedImageUri.getPath();
 708             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 709
 710             if (selectedImagePath != null)
 711                 filePath = selectedImagePath;
 712             else
 713                 filePath = fileManagerString;
 714
 715         } catch (Exception e) {
 716             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 717                     "Intent.ACTION_GET_CONTENT", e);
 718
 719         } finally {
 720             if (filePath == null) {
 721                 Log_OC.e(TAG, "Couldn't resolve path to file");
 722                 Toast t = Toast.makeText(
 723                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 724                         Toast.LENGTH_LONG
 725                 );
 726                 t.show();
 727                 return;
 728             }
 729         }
 730
 731         Intent i = new Intent(this, FileUploader.class);
 732         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 733         OCFile currentDir = getCurrentDir();
 734         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 735
 736         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 737             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 738             try {
 739                 if (cursor != null && cursor.moveToFirst()) {
 740                     String displayName = cursor.getString(cursor.getColumnIndex(
 741                             OpenableColumns.DISPLAY_NAME));
 742                     Log_OC.v(TAG, "Display Name: " + displayName );
 743
 744                     displayName.replace(File.separatorChar, '_');
 745                     displayName.replace(File.pathSeparatorChar, '_');
 746                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 747
 748                 }
 749                 // and what happens in case of error?; wrong target name for the upload
 750             } finally {
 751                 cursor.close();
 752             }
 753
 754         } else {
 755             remotePath += new File(filePath).getName();
 756         }
 757
 758         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 759         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 760         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 761         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 762         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 763         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 764         startService(i);
 765     }
 766
 767     /**
 768      * Request the operation for moving the file/folder from one path to another
 769      *
 770      * @param data              Intent received
 771      * @param resultCode        Result code received
 772      */
 773     private void requestMoveOperation(Intent data, int resultCode) {
 774         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 775         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 776         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 777     }
 778
 779     @Override
 780     public void onBackPressed() {
 781         OCFileListFragment listOfFiles = getListOfFilesFragment();
 782         if (mDualPane || getSecondFragment() == null) {
 783             if (listOfFiles != null) {  // should never be null, indeed
 784                 if (mDirectories.getCount() <= 1) {
 785                     finish();
 786                     return;
 787                 }
 788                 int levelsUp = listOfFiles.onBrowseUp();
 789                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 790                     popDirname();
 791                 }
 792             }
 793         }
 794         if (listOfFiles != null) {  // should never be null, indeed
 795             setFile(listOfFiles.getCurrentFile());
 796         }
 797         cleanSecondFragment();
 798
 799     }
 800
 801     @Override
 802     protected void onSaveInstanceState(Bundle outState) {
 803         // responsibility of restore is preferred in onCreate() before than in
 804         // onRestoreInstanceState when there are Fragments involved
 805         Log_OC.v(TAG, "onSaveInstanceState() start");
 806         super.onSaveInstanceState(outState);
 807         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 808         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 809         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 810         // mRefreshSharesInProgress);
 811         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 812
 813         Log_OC.v(TAG, "onSaveInstanceState() end");
 814     }
 815
 816
 817
 818     @Override
 819     protected void onResume() {
 820         Log_OC.v(TAG, "onResume() start");
 821         super.onResume();
 822
 823         // refresh Navigation Drawer account list
 824         mNavigationDrawerAdapter.updateAccountList();
 825
 826         // refresh list of files
 827         refreshListOfFilesFragment();
 828
 829         // Listen for sync messages
 830         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 831         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 832         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 833         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 834         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 835         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 836         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 837         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 838         // syncIntentFilter);
 839
 840         // Listen for upload messages
 841         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 842         mUploadFinishReceiver = new UploadFinishReceiver();
 843         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 844
 845         // Listen for download messages
 846         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 847         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 848         mDownloadFinishReceiver = new DownloadFinishReceiver();
 849         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 850
 851         Log_OC.v(TAG, "onResume() end");
 852     }
 853
 854
 855     @Override
 856     protected void onPause() {
 857         Log_OC.v(TAG, "onPause() start");
 858         if (mSyncBroadcastReceiver != null) {
 859             unregisterReceiver(mSyncBroadcastReceiver);
 860             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 861             mSyncBroadcastReceiver = null;
 862         }
 863         if (mUploadFinishReceiver != null) {
 864             unregisterReceiver(mUploadFinishReceiver);
 865             mUploadFinishReceiver = null;
 866         }
 867         if (mDownloadFinishReceiver != null) {
 868             unregisterReceiver(mDownloadFinishReceiver);
 869             mDownloadFinishReceiver = null;
 870         }
 871
 872         super.onPause();
 873         Log_OC.v(TAG, "onPause() end");
 874     }
 875
 876     /**
 877      * Pushes a directory to the drop down list
 878      * @param directory to push
 879      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 880      */
 881     public void pushDirname(OCFile directory) {
 882         if(!directory.isFolder()){
 883             throw new IllegalArgumentException("Only directories may be pushed!");
 884         }
 885         mDirectories.insert(directory.getFileName(), 0);
 886         setFile(directory);
 887     }
 888
 889     /**
 890      * Pops a directory name from the drop down list
 891      * @return True, unless the stack is empty
 892      */
 893     public boolean popDirname() {
 894         mDirectories.remove(mDirectories.getItem(0));
 895         return !mDirectories.isEmpty();
 896     }
 897
 898     // Custom array adapter to override text colors
 899     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 900
 901         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 902             super(ctx, view);
 903         }
 904
 905         public View getView(int position, View convertView, ViewGroup parent) {
 906             View v = super.getView(position, convertView, parent);
 907
 908             ((TextView) v).setTextColor(getResources().getColorStateList(
 909                     android.R.color.white));
 910
 911             fixRoot((TextView) v );
 912             return v;
 913         }
 914
 915         public View getDropDownView(int position, View convertView,
 916                 ViewGroup parent) {
 917             View v = super.getDropDownView(position, convertView, parent);
 918
 919             ((TextView) v).setTextColor(getResources().getColorStateList(
 920                     android.R.color.white));
 921
 922             fixRoot((TextView) v );
 923             return v;
 924         }
 925
 926         private void fixRoot(TextView v) {
 927             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 928                 v.setText(R.string.default_display_name_for_root_folder);
 929             }
 930         }
 931
 932     }
 933
 934     private class SyncBroadcastReceiver extends BroadcastReceiver {
 935
 936         /**
 937          * {@link BroadcastReceiver} to enable syncing feedback in UI
 938          */
 939         @Override
 940         public void onReceive(Context context, Intent intent) {
 941             try {
 942                 String event = intent.getAction();
 943                 Log_OC.d(TAG, "Received broadcast " + event);
 944                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 945                 String synchFolderRemotePath =
 946                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 947                 RemoteOperationResult synchResult =
 948                         (RemoteOperationResult)intent.getSerializableExtra(
 949                                 FileSyncAdapter.EXTRA_RESULT);
 950                 boolean sameAccount = (getAccount() != null &&
 951                         accountName.equals(getAccount().name) && getStorageManager() != null);
 952
 953                 if (sameAccount) {
 954
 955                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 956                         mSyncInProgress = true;
 957
 958                     } else {
 959                         OCFile currentFile = (getFile() == null) ? null :
 960                                 getStorageManager().getFileByPath(getFile().getRemotePath());
 961                         OCFile currentDir = (getCurrentDir() == null) ? null :
 962                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 963
 964                         if (currentDir == null) {
 965                             // current folder was removed from the server
 966                             Toast.makeText( FileDisplayActivity.this,
 967                                             String.format(
 968                                                     getString(R.string.sync_current_folder_was_removed),
 969                                                     mDirectories.getItem(0)),
 970                                             Toast.LENGTH_LONG)
 971                                 .show();
 972                             browseToRoot();
 973
 974                         } else {
 975                             if (currentFile == null && !getFile().isFolder()) {
 976                                 // currently selected file was removed in the server, and now we
 977                                 // know it
 978                                 cleanSecondFragment();
 979                                 currentFile = currentDir;
 980                             }
 981
 982                             if (synchFolderRemotePath != null &&
 983                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 984                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 985                                 if (fileListFragment != null) {
 986                                     fileListFragment.listDirectory();
 987                                     // TODO Enable when "On Device" is recovered ?
 988                                     // fileListFragment.listDirectory(currentDir,
 989                                     // MainApp.getOnlyOnDevice());
 990                                 }
 991                             }
 992                             setFile(currentFile);
 993                         }
 994
 995                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 996                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
 997                                         .equals(event));
 998
 999                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1000                                     equals(event) &&
1001                                 /// TODO refactor and make common
1002                                 synchResult != null && !synchResult.isSuccess() &&
1003                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1004                                     synchResult.isIdPRedirection()                  ||
1005                                     (synchResult.isException() && synchResult.getException()
1006                                             instanceof AuthenticatorException))) {
1007
1008
1009                             try {
1010                                 OwnCloudClient client;
1011                                 OwnCloudAccount ocAccount =
1012                                         new OwnCloudAccount(getAccount(), context);
1013                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1014                                         removeClientFor(ocAccount));
1015
1016                                 if (client != null) {
1017                                     OwnCloudCredentials cred = client.getCredentials();
1018                                     if (cred != null) {
1019                                         AccountManager am = AccountManager.get(context);
1020                                         if (cred.authTokenExpires()) {
1021                                             am.invalidateAuthToken(
1022                                                     getAccount().type,
1023                                                     cred.getAuthToken()
1024                                             );
1025                                         } else {
1026                                             am.clearPassword(getAccount());
1027                                         }
1028                                     }
1029                                 }
1030                                 requestCredentialsUpdate();
1031
1032                             } catch (AccountNotFoundException e) {
1033                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1034                             }
1035
1036                         }
1037                     }
1038                     removeStickyBroadcast(intent);
1039                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1040                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress
1041                     /*|| mRefreshSharesInProgress*/);
1042
1043                     setBackgroundText();
1044
1045                 }
1046
1047                 if (synchResult != null) {
1048                     if (synchResult.getCode().equals(
1049                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1050                         mLastSslUntrustedServerResult = synchResult;
1051                     }
1052                 }
1053             } catch (RuntimeException e) {
1054                 // avoid app crashes after changing the serial id of RemoteOperationResult
1055                 // in owncloud library with broadcast notifications pending to process
1056                 removeStickyBroadcast(intent);
1057             }
1058         }
1059     }
1060
1061     /**
1062      * Show a text message on screen view for notifying user if content is
1063      * loading or folder is empty
1064      */
1065     private void setBackgroundText() {
1066         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1067         if (ocFileListFragment != null) {
1068             int message = R.string.file_list_loading;
1069             if (!mSyncInProgress) {
1070                 // In case file list is empty
1071                 message = R.string.file_list_empty;
1072             }
1073             ocFileListFragment.setMessageForEmptyList(getString(message));
1074         } else {
1075             Log_OC.e(TAG, "OCFileListFragment is null");
1076         }
1077     }
1078
1079     /**
1080      * Once the file upload has finished -> update view
1081      */
1082     private class UploadFinishReceiver extends BroadcastReceiver {
1083         /**
1084          * Once the file upload has finished -> update view
1085          *  @author David A. Velasco
1086          * {@link BroadcastReceiver} to enable upload feedback in UI
1087          */
1088         @Override
1089         public void onReceive(Context context, Intent intent) {
1090             try {
1091                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1092                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1093                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1094                 OCFile currentDir = getCurrentDir();
1095                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1096                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1097
1098                 if (sameAccount && isDescendant) {
1099                     refreshListOfFilesFragment();
1100                 }
1101
1102                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1103                         false);
1104                 boolean renamedInUpload = getFile().getRemotePath().
1105                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1106                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1107                         renamedInUpload;
1108                 FileFragment details = getSecondFragment();
1109                 boolean detailFragmentIsShown = (details != null &&
1110                         details instanceof FileDetailFragment);
1111
1112                 if (sameAccount && sameFile && detailFragmentIsShown) {
1113                     if (uploadWasFine) {
1114                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1115                     }
1116                     if (renamedInUpload) {
1117                         String newName = (new File(uploadedRemotePath)).getName();
1118                         Toast msg = Toast.makeText(
1119                                 context,
1120                                 String.format(
1121                                         getString(R.string.filedetails_renamed_in_upload_msg),
1122                                         newName),
1123                                 Toast.LENGTH_LONG);
1124                         msg.show();
1125                     }
1126                     if (uploadWasFine || getFile().fileExists()) {
1127                         ((FileDetailFragment)details).updateFileDetails(false, true);
1128                     } else {
1129                         cleanSecondFragment();
1130                     }
1131
1132                     // Force the preview if the file is an image
1133                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1134                         startImagePreview(getFile());
1135                     } // TODO what about other kind of previews?
1136                 }
1137
1138             } finally {
1139                 if (intent != null) {
1140                     removeStickyBroadcast(intent);
1141                 }
1142             }
1143
1144         }
1145
1146     }
1147
1148
1149     /**
1150      * Class waiting for broadcast events from the {@link FileDownloader} service.
1151      *
1152      * Updates the UI when a download is started or finished, provided that it is relevant for the
1153      * current folder.
1154      */
1155     private class DownloadFinishReceiver extends BroadcastReceiver {
1156
1157         //int refreshCounter = 0;
1158         @Override
1159         public void onReceive(Context context, Intent intent) {
1160             try {
1161                 boolean sameAccount = isSameAccount(context, intent);
1162                 String downloadedRemotePath =
1163                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1164                 boolean isDescendant = isDescendant(downloadedRemotePath);
1165
1166                 if (sameAccount && isDescendant) {
1167                     String linkedToRemotePath =
1168                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1169                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1170                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1171                         refreshListOfFilesFragment();
1172                     }
1173                     refreshSecondFragment(
1174                             intent.getAction(),
1175                             downloadedRemotePath,
1176                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1177                     );
1178                 }
1179
1180                 if (mWaitingToSend != null) {
1181                     mWaitingToSend =
1182                             getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1183                     if (mWaitingToSend.isDown()) {
1184                         sendDownloadedFile();
1185                     }
1186                 }
1187
1188             } finally {
1189                 if (intent != null) {
1190                     removeStickyBroadcast(intent);
1191                 }
1192             }
1193         }
1194
1195         private boolean isDescendant(String downloadedRemotePath) {
1196             OCFile currentDir = getCurrentDir();
1197             return (
1198                 currentDir != null &&
1199                 downloadedRemotePath != null &&
1200                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1201             );
1202         }
1203
1204         private boolean isAscendant(String linkedToRemotePath) {
1205             OCFile currentDir = getCurrentDir();
1206             return (
1207                 currentDir != null &&
1208                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1209             );
1210         }
1211
1212         private boolean isSameAccount(Context context, Intent intent) {
1213             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1214             return (accountName != null && getAccount() != null &&
1215                     accountName.equals(getAccount().name));
1216         }
1217     }
1218
1219
1220     public void browseToRoot() {
1221         OCFileListFragment listOfFiles = getListOfFilesFragment();
1222         if (listOfFiles != null) {  // should never be null, indeed
1223             while (mDirectories.getCount() > 1) {
1224                 popDirname();
1225             }
1226             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1227             listOfFiles.listDirectory(root);
1228             // TODO Enable when "On Device" is recovered ?
1229             // listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1230             setFile(listOfFiles.getCurrentFile());
1231             startSyncFolderOperation(root, false);
1232         }
1233         cleanSecondFragment();
1234     }
1235
1236
1237     public void browseTo(OCFile folder) {
1238         if (folder == null || !folder.isFolder()) {
1239             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1240         }
1241         OCFileListFragment listOfFiles = getListOfFilesFragment();
1242         if (listOfFiles != null) {
1243             setNavigationListWithFolder(folder);
1244             listOfFiles.listDirectory(folder);
1245             // TODO Enable when "On Device" is recovered ?
1246             // listOfFiles.listDirectory(folder, MainApp.getOnlyOnDevice());
1247             setFile(listOfFiles.getCurrentFile());
1248             startSyncFolderOperation(folder, false);
1249         } else {
1250             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1251         }
1252         cleanSecondFragment();
1253     }
1254
1255
1256     /**
1257      * {@inheritDoc}
1258      *
1259      * Updates action bar and second fragment, if in dual pane mode.
1260      */
1261     @Override
1262     public void onBrowsedDownTo(OCFile directory) {
1263         pushDirname(directory);
1264         cleanSecondFragment();
1265
1266         // Sync Folder
1267         startSyncFolderOperation(directory, false);
1268
1269     }
1270
1271     /**
1272      * Shows the information of the {@link OCFile} received as a
1273      * parameter in the second fragment.
1274      *
1275      * @param file          {@link OCFile} whose details will be shown
1276      */
1277     @Override
1278     public void showDetails(OCFile file) {
1279         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1280         setSecondFragment(detailFragment);
1281         updateFragmentsVisibility(true);
1282         updateNavigationElementsInActionBar(file);
1283         setFile(file);
1284     }
1285
1286
1287     /**
1288      * TODO
1289      */
1290     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1291         ActionBar actionBar = getSupportActionBar();
1292
1293         // For adding content description tag to a title field in the action bar
1294         int actionBarTitleId = getResources().getIdentifier("action_bar_title", "id", "android");
1295
1296         if (chosenFile == null || mDualPane) {
1297             // only list of files - set for browsing through folders
1298             OCFile currentDir = getCurrentDir();
1299             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1300 //            actionBar.setDisplayHomeAsUpEnabled(noRoot);
1301 //            actionBar.setDisplayShowTitleEnabled(!noRoot);
1302             actionBar.setDisplayHomeAsUpEnabled(true);
1303             actionBar.setDisplayShowTitleEnabled(true);
1304             if (!noRoot) {
1305                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1306                 View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1307                 if (actionBarTitleView != null) {    // it's null in Android 2.x
1308                     actionBarTitleView.setContentDescription(
1309                             getString(R.string.default_display_name_for_root_folder));
1310                 }
1311             }
1312             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD :
1313                     ActionBar.NAVIGATION_MODE_LIST);
1314             actionBar.setListNavigationCallbacks(mDirectories, this);
1315             // assuming mDirectories is updated
1316
1317         } else {
1318             actionBar.setDisplayHomeAsUpEnabled(true);
1319             actionBar.setDisplayShowTitleEnabled(true);
1320             actionBar.setTitle(chosenFile.getFileName());
1321             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1322             View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1323             if (actionBarTitleView != null) {    // it's null in Android 2.x
1324                 getWindow().getDecorView().findViewById(actionBarTitleId).
1325                         setContentDescription(chosenFile.getFileName());
1326             }
1327         }
1328     }
1329
1330
1331     @Override
1332     protected ServiceConnection newTransferenceServiceConnection() {
1333         return new ListServiceConnection();
1334     }
1335
1336     /** Defines callbacks for service binding, passed to bindService() */
1337     private class ListServiceConnection implements ServiceConnection {
1338
1339         @Override
1340         public void onServiceConnected(ComponentName component, IBinder service) {
1341             if (component.equals(new ComponentName(
1342                     FileDisplayActivity.this, FileDownloader.class))) {
1343                 Log_OC.d(TAG, "Download service connected");
1344                 mDownloaderBinder = (FileDownloaderBinder) service;
1345                 if (mWaitingToPreview != null)
1346                     if (getStorageManager() != null) {
1347                          // update the file
1348                         mWaitingToPreview =
1349                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1350                         if (!mWaitingToPreview.isDown()) {
1351                             requestForDownload();
1352                         }
1353                 }
1354
1355             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1356                     FileUploader.class))) {
1357                 Log_OC.d(TAG, "Upload service connected");
1358                 mUploaderBinder = (FileUploaderBinder) service;
1359             } else {
1360                 return;
1361             }
1362             // a new chance to get the mDownloadBinder through
1363             // getFileDownloadBinder() - THIS IS A MESS
1364             OCFileListFragment listOfFiles = getListOfFilesFragment();
1365             if (listOfFiles != null) {
1366                 listOfFiles.listDirectory();
1367                 // TODO Enable when "On Device" is recovered ?
1368                 // listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1369             }
1370             FileFragment secondFragment = getSecondFragment();
1371             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1372                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1373                 detailFragment.listenForTransferProgress();
1374                 detailFragment.updateFileDetails(false, false);
1375             }
1376         }
1377
1378         @Override
1379         public void onServiceDisconnected(ComponentName component) {
1380             if (component.equals(new ComponentName(FileDisplayActivity.this,
1381                     FileDownloader.class))) {
1382                 Log_OC.d(TAG, "Download service disconnected");
1383                 mDownloaderBinder = null;
1384             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1385                     FileUploader.class))) {
1386                 Log_OC.d(TAG, "Upload service disconnected");
1387                 mUploaderBinder = null;
1388             }
1389         }
1390     };
1391
1392     @Override
1393     public void onSavedCertificate() {
1394         startSyncFolderOperation(getCurrentDir(), false);
1395     }
1396
1397
1398     @Override
1399     public void onFailedSavingCertificate() {
1400         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1401                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1402         );
1403         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1404     }
1405
1406     @Override
1407     public void onCancelCertificate() {
1408         // nothing to do
1409     }
1410
1411     /**
1412      * Updates the view associated to the activity after the finish of some operation over files
1413      * in the current account.
1414      *
1415      * @param operation     Removal operation performed.
1416      * @param result        Result of the removal.
1417      */
1418     @Override
1419     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1420         super.onRemoteOperationFinish(operation, result);
1421
1422         if (operation instanceof RemoveFileOperation) {
1423             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1424
1425         } else if (operation instanceof RenameFileOperation) {
1426             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1427
1428         } else if (operation instanceof SynchronizeFileOperation) {
1429             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1430
1431         } else if (operation instanceof CreateFolderOperation) {
1432             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1433
1434         } else if (operation instanceof CreateShareOperation) {
1435             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1436
1437         } else if (operation instanceof UnshareLinkOperation) {
1438             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1439
1440         } else if (operation instanceof MoveFileOperation) {
1441             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1442         }
1443
1444     }
1445
1446
1447     private void onCreateShareOperationFinish(CreateShareOperation operation,
1448                                               RemoteOperationResult result) {
1449         if (result.isSuccess()) {
1450             refreshShowDetails();
1451             refreshListOfFilesFragment();
1452         }
1453     }
1454
1455
1456     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation,
1457                                               RemoteOperationResult result) {
1458         if (result.isSuccess()) {
1459             refreshShowDetails();
1460             refreshListOfFilesFragment();
1461
1462         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1463             cleanSecondFragment();
1464             refreshListOfFilesFragment();
1465         }
1466     }
1467
1468     private void refreshShowDetails() {
1469         FileFragment details = getSecondFragment();
1470         if (details != null) {
1471             OCFile file = details.getFile();
1472             if (file != null) {
1473                 file = getStorageManager().getFileByPath(file.getRemotePath());
1474                 if (details instanceof PreviewMediaFragment) {
1475                     // Refresh  OCFile of the fragment
1476                     ((PreviewMediaFragment) details).updateFile(file);
1477                 } else {
1478                     showDetails(file);
1479                 }
1480             }
1481             invalidateOptionsMenu();
1482         }
1483     }
1484
1485     /**
1486      * Updates the view associated to the activity after the finish of an operation trying to
1487      * remove a file.
1488      *
1489      * @param operation     Removal operation performed.
1490      * @param result        Result of the removal.
1491      */
1492     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1493                                              RemoteOperationResult result) {
1494         dismissLoadingDialog();
1495
1496         Toast msg = Toast.makeText(this,
1497                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1498                 Toast.LENGTH_LONG);
1499         msg.show();
1500
1501         if (result.isSuccess()) {
1502             OCFile removedFile = operation.getFile();
1503             FileFragment second = getSecondFragment();
1504             if (second != null && removedFile.equals(second.getFile())) {
1505                 if (second instanceof PreviewMediaFragment) {
1506                     ((PreviewMediaFragment)second).stopPreview(true);
1507                 }
1508                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1509                 cleanSecondFragment();
1510             }
1511             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1512                 refreshListOfFilesFragment();
1513             }
1514             invalidateOptionsMenu();
1515         } else {
1516             if (result.isSslRecoverableException()) {
1517                 mLastSslUntrustedServerResult = result;
1518                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1519             }
1520         }
1521     }
1522
1523
1524     /**
1525      * Updates the view associated to the activity after the finish of an operation trying to move a
1526      * file.
1527      *
1528      * @param operation     Move operation performed.
1529      * @param result        Result of the move operation.
1530      */
1531     private void onMoveFileOperationFinish(MoveFileOperation operation,
1532                                            RemoteOperationResult result) {
1533         if (result.isSuccess()) {
1534             dismissLoadingDialog();
1535             refreshListOfFilesFragment();
1536         } else {
1537             dismissLoadingDialog();
1538             try {
1539                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1540                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1541                         Toast.LENGTH_LONG);
1542                 msg.show();
1543
1544             } catch (NotFoundException e) {
1545                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1546             }
1547         }
1548     }
1549
1550
1551     /**
1552      * Updates the view associated to the activity after the finish of an operation trying to rename
1553      * a file.
1554      *
1555      * @param operation     Renaming operation performed.
1556      * @param result        Result of the renaming.
1557      */
1558     private void onRenameFileOperationFinish(RenameFileOperation operation,
1559                                              RemoteOperationResult result) {
1560         dismissLoadingDialog();
1561         OCFile renamedFile = operation.getFile();
1562         if (result.isSuccess()) {
1563             FileFragment details = getSecondFragment();
1564             if (details != null) {
1565                 if (details instanceof FileDetailFragment &&
1566                         renamedFile.equals(details.getFile()) ) {
1567                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1568                     showDetails(renamedFile);
1569
1570                 } else if (details instanceof PreviewMediaFragment &&
1571                         renamedFile.equals(details.getFile())) {
1572                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1573                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1574                         int position = ((PreviewMediaFragment)details).getPosition();
1575                         startMediaPreview(renamedFile, position, true);
1576                     } else {
1577                         getFileOperationsHelper().openFile(renamedFile);
1578                     }
1579                 }
1580             }
1581
1582             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1583                 refreshListOfFilesFragment();
1584             }
1585
1586         } else {
1587             Toast msg = Toast.makeText(this,
1588                     ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1589                     Toast.LENGTH_LONG);
1590             msg.show();
1591
1592             if (result.isSslRecoverableException()) {
1593                 mLastSslUntrustedServerResult = result;
1594                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1595             }
1596         }
1597     }
1598
1599     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
1600                                                   RemoteOperationResult result) {
1601         dismissLoadingDialog();
1602         OCFile syncedFile = operation.getLocalFile();
1603         if (!result.isSuccess()) {
1604             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1605                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1606                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1607                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1608                 startActivity(i);
1609
1610             }
1611
1612         } else {
1613             if (operation.transferWasRequested()) {
1614                 onTransferStateChanged(syncedFile, true, true);
1615
1616             } else {
1617                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result,
1618                                 operation, getResources()), Toast.LENGTH_LONG);
1619                 msg.show();
1620             }
1621         }
1622     }
1623
1624     /**
1625      * Updates the view associated to the activity after the finish of an operation trying create a
1626      * new folder
1627      *
1628      * @param operation     Creation operation performed.
1629      * @param result        Result of the creation.
1630      */
1631     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1632                                                RemoteOperationResult result) {
1633         if (result.isSuccess()) {
1634             dismissLoadingDialog();
1635             refreshListOfFilesFragment();
1636         } else {
1637             dismissLoadingDialog();
1638             try {
1639                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1640                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1641                         Toast.LENGTH_LONG);
1642                 msg.show();
1643
1644             } catch (NotFoundException e) {
1645                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1646             }
1647         }
1648     }
1649
1650
1651     /**
1652      * {@inheritDoc}
1653      */
1654     @Override
1655     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1656         refreshListOfFilesFragment();
1657         FileFragment details = getSecondFragment();
1658         if (details != null && details instanceof FileDetailFragment &&
1659                 file.equals(details.getFile()) ) {
1660             if (downloading || uploading) {
1661                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1662             } else {
1663                 if (!file.fileExists()) {
1664                     cleanSecondFragment();
1665                 } else {
1666                     ((FileDetailFragment)details).updateFileDetails(false, true);
1667                 }
1668             }
1669         }
1670
1671     }
1672
1673
1674     private void requestForDownload() {
1675         Account account = getAccount();
1676         //if (!mWaitingToPreview.isDownloading()) {
1677         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1678             Intent i = new Intent(this, FileDownloader.class);
1679             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1680             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1681             startService(i);
1682         }
1683     }
1684
1685
1686     private OCFile getCurrentDir() {
1687         OCFile file = getFile();
1688         if (file != null) {
1689             if (file.isFolder()) {
1690                 return file;
1691             } else if (getStorageManager() != null) {
1692                 String parentPath = file.getRemotePath().substring(0,
1693                         file.getRemotePath().lastIndexOf(file.getFileName()));
1694                 return getStorageManager().getFileByPath(parentPath);
1695             }
1696         }
1697         return null;
1698     }
1699
1700     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1701         long currentSyncTime = System.currentTimeMillis();
1702
1703         mSyncInProgress = true;
1704
1705         // perform folder synchronization
1706         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1707                 currentSyncTime,
1708                 false,
1709                 getFileOperationsHelper().isSharedSupported(),
1710                 ignoreETag,
1711                 getStorageManager(),
1712                 getAccount(),
1713                 getApplicationContext()
1714         );
1715         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1716
1717         setSupportProgressBarIndeterminateVisibility(true);
1718
1719         setBackgroundText();
1720     }
1721
1722     /**
1723      * Show untrusted cert dialog
1724      */
1725     public void showUntrustedCertDialog(RemoteOperationResult result) {
1726         // Show a dialog with the certificate info
1727         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1728                 (CertificateCombinedException) result.getException());
1729         FragmentManager fm = getSupportFragmentManager();
1730         FragmentTransaction ft = fm.beginTransaction();
1731         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1732     }
1733
1734     private void requestForDownload(OCFile file) {
1735         Account account = getAccount();
1736         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1737             Intent i = new Intent(this, FileDownloader.class);
1738             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1739             i.putExtra(FileDownloader.EXTRA_FILE, file);
1740             startService(i);
1741         }
1742     }
1743
1744     private void sendDownloadedFile(){
1745         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1746         mWaitingToSend = null;
1747     }
1748
1749
1750     /**
1751      * Requests the download of the received {@link OCFile} , updates the UI
1752      * to monitor the download progress and prepares the activity to send the file
1753      * when the download finishes.
1754      *
1755      * @param file          {@link OCFile} to download and preview.
1756      */
1757     public void startDownloadForSending(OCFile file) {
1758         mWaitingToSend = file;
1759         requestForDownload(mWaitingToSend);
1760         boolean hasSecondFragment = (getSecondFragment()!= null);
1761         updateFragmentsVisibility(hasSecondFragment);
1762     }
1763
1764     /**
1765      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1766      *
1767      * @param file                      Image {@link OCFile} to show.
1768      */
1769     public void startImagePreview(OCFile file) {
1770         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1771         showDetailsIntent.putExtra(EXTRA_FILE, file);
1772         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1773         startActivity(showDetailsIntent);
1774
1775     }
1776
1777     /**
1778      * Stars the preview of an already down media {@link OCFile}.
1779      *
1780      * @param file                      Media {@link OCFile} to preview.
1781      * @param startPlaybackPosition     Media position where the playback will be started,
1782      *                                  in milliseconds.
1783      * @param autoplay                  When 'true', the playback will start without user
1784      *                                  interactions.
1785      */
1786     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1787         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1788                 autoplay);
1789         setSecondFragment(mediaFragment);
1790         updateFragmentsVisibility(true);
1791         updateNavigationElementsInActionBar(file);
1792         setFile(file);
1793     }
1794
1795     /**
1796      * Requests the download of the received {@link OCFile} , updates the UI
1797      * to monitor the download progress and prepares the activity to preview
1798      * or open the file when the download finishes.
1799      *
1800      * @param file          {@link OCFile} to download and preview.
1801      */
1802     public void startDownloadForPreview(OCFile file) {
1803         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1804         setSecondFragment(detailFragment);
1805         mWaitingToPreview = file;
1806         requestForDownload();
1807         updateFragmentsVisibility(true);
1808         updateNavigationElementsInActionBar(file);
1809         setFile(file);
1810     }
1811
1812
1813     public void cancelTransference(OCFile file) {
1814         getFileOperationsHelper().cancelTransference(file);
1815         if (mWaitingToPreview != null &&
1816                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1817             mWaitingToPreview = null;
1818         }
1819         if (mWaitingToSend != null &&
1820                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1821             mWaitingToSend = null;
1822         }
1823         onTransferStateChanged(file, false, false);
1824     }
1825
1826     @Override
1827     public void onRefresh(boolean ignoreETag) {
1828         refreshList(ignoreETag);
1829     }
1830
1831     @Override
1832     public void onRefresh() {
1833         refreshList(true);
1834     }
1835
1836     private void refreshList(boolean ignoreETag) {
1837         OCFileListFragment listOfFiles = getListOfFilesFragment();
1838         if (listOfFiles != null) {
1839             OCFile folder = listOfFiles.getCurrentFile();
1840             if (folder != null) {
1841                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1842                 listDirectory(mFile);*/
1843                 startSyncFolderOperation(folder, ignoreETag);
1844             }
1845         }
1846     }
1847
1848     private void sortByDate(boolean ascending){
1849         getListOfFilesFragment().sortByDate(ascending);
1850     }
1851
1852     private void sortBySize(boolean ascending){
1853         getListOfFilesFragment().sortBySize(ascending);
1854     }
1855
1856     private void sortByName(boolean ascending){
1857         getListOfFilesFragment().sortByName(ascending);
1858     }
1859
1860    public void allFilesOption() {
1861        browseToRoot();
1862    }
1863 }