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.support.v7.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.content.ContextCompat;
  52 import android.support.v4.view.GravityCompat;
  53 import android.view.Menu;
  54 import android.view.MenuInflater;
  55 import android.view.MenuItem;
  56 import android.view.View;
  57 import android.widget.ProgressBar;
  58 import android.widget.RelativeLayout;
  59 import android.widget.TextView;
  60 import android.widget.Toast;
  61
  62 import com.owncloud.android.MainApp;
  63 import com.owncloud.android.R;
  64 import com.owncloud.android.datamodel.FileDataStorageManager;
  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.CopyFileOperation;
  81 import com.owncloud.android.operations.CreateFolderOperation;
  82 import com.owncloud.android.operations.CreateShareViaLinkOperation;
  83 import com.owncloud.android.operations.CreateShareWithShareeOperation;
  84 import com.owncloud.android.operations.MoveFileOperation;
  85 import com.owncloud.android.operations.RefreshFolderOperation;
  86 import com.owncloud.android.operations.RemoveFileOperation;
  87 import com.owncloud.android.operations.RenameFileOperation;
  88 import com.owncloud.android.operations.SynchronizeFileOperation;
  89 import com.owncloud.android.operations.UnshareOperation;
  90 import com.owncloud.android.services.observer.FileObserverService;
  91 import com.owncloud.android.syncadapter.FileSyncAdapter;
  92 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  93 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  94 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  95 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  96 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
  97 import com.owncloud.android.ui.fragment.FileDetailFragment;
  98 import com.owncloud.android.ui.fragment.FileFragment;
  99 import com.owncloud.android.ui.fragment.OCFileListFragment;
 100 import com.owncloud.android.ui.preview.PreviewImageActivity;
 101 import com.owncloud.android.ui.preview.PreviewImageFragment;
 102 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 103 import com.owncloud.android.ui.preview.PreviewTextFragment;
 104 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 105 import com.owncloud.android.utils.DisplayUtils;
 106 import com.owncloud.android.utils.ErrorMessageAdapter;
 107 import com.owncloud.android.utils.FileStorageUtils;
 108 import com.owncloud.android.utils.UriUtils;
 109
 110 import java.io.File;
 111
 112 /**
 113  * Displays, what files the user has available in his ownCloud.
 114  */
 115
 116 public class FileDisplayActivity extends HookActivity
 117         implements FileFragment.ContainerActivity,
 118         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 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     private ProgressBar mProgressBar;
 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     public static final int ACTION_COPY_FILES = 4;
 140
 141     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 142
 143     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 144     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 145
 146     private OCFile mWaitingToPreview;
 147
 148     private boolean mSyncInProgress = false;
 149
 150     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 151     private static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 152     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 153     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 154
 155     private OCFile mWaitingToSend;
 156
 157
 158     @Override
 159     protected void onCreate(Bundle savedInstanceState) {
 160         Log_OC.v(TAG, "onCreate() start");
 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         } 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         mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
 193         mProgressBar.setIndeterminateDrawable(
 194                 ContextCompat.getDrawable(this,
 195                         R.drawable.actionbar_progress_indeterminate_horizontal));
 196
 197         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 198         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 199         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 200         if (savedInstanceState == null) {
 201             createMinFragments();
 202         }
 203
 204         // Action bar setup
 205         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 206                                                                 // according to the official
 207                                                                 // documentation
 208
 209         // enable ActionBar app icon to behave as action to toggle nav drawer
 210         //getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 211         getSupportActionBar().setHomeButtonEnabled(true);
 212
 213         mProgressBar.setIndeterminate(mSyncInProgress);
 214         // always AFTER setContentView(...) ; to work around bug in its implementation
 215
 216         setBackgroundText();
 217
 218         Log_OC.v(TAG, "onCreate() end");
 219     }
 220
 221     @Override
 222     protected void onStart() {
 223         Log_OC.v(TAG, "onStart() start");
 224         super.onStart();
 225         Log_OC.v(TAG, "onStart() end");
 226     }
 227
 228     @Override
 229     protected void onStop() {
 230         Log_OC.v(TAG, "onStop() start");
 231         super.onStop();
 232         Log_OC.v(TAG, "onStop() end");
 233     }
 234
 235     @Override
 236     protected void onDestroy() {
 237         Log_OC.v(TAG, "onDestroy() start");
 238         super.onDestroy();
 239         Log_OC.v(TAG, "onDestroy() end");
 240     }
 241
 242     /**
 243      * Called when the ownCloud {@link Account} associated to the Activity was just updated.
 244      */
 245     @Override
 246     protected void onAccountSet(boolean stateWasRecovered) {
 247         super.onAccountSet(stateWasRecovered);
 248         if (getAccount() != null) {
 249             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 250             // current Account
 251             OCFile file = getFile();
 252             // get parent from path
 253             String parentPath = "";
 254             if (file != null) {
 255                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 256                     // upload in progress - right now, files are not inserted in the local
 257                     // cache until the upload is successful get parent from path
 258                     parentPath = file.getRemotePath().substring(0,
 259                             file.getRemotePath().lastIndexOf(file.getFileName()));
 260                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 261                         file = null; // not able to know the directory where the file is uploading
 262                 } else {
 263                     file = getStorageManager().getFileByPath(file.getRemotePath());
 264                     // currentDir = null if not in the current Account
 265                 }
 266             }
 267             if (file == null) {
 268                 // fall back to root folder
 269                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 270             }
 271             setFile(file);
 272
 273             if (mAccountWasSet) {
 274                 setUsernameInDrawer((RelativeLayout) findViewById(R.id.left_drawer), getAccount());
 275             }
 276
 277             if (!stateWasRecovered) {
 278                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 279                 initFragmentsWithFile();
 280                 if (file.isFolder()) {
 281                     startSyncFolderOperation(file, false);
 282                 }
 283
 284             } else {
 285                 updateFragmentsVisibility(!file.isFolder());
 286                 updateActionBarTitleAndHomeButton(file.isFolder() ? null : file);
 287             }
 288         }
 289     }
 290
 291     private void createMinFragments() {
 292         OCFileListFragment listOfFiles = new OCFileListFragment();
 293         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 294         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 295         transaction.commit();
 296     }
 297
 298     private void initFragmentsWithFile() {
 299         if (getAccount() != null && getFile() != null) {
 300             /// First fragment
 301             OCFileListFragment listOfFiles = getListOfFilesFragment();
 302             if (listOfFiles != null) {
 303                 listOfFiles.listDirectory(getCurrentDir());
 304                 // TODO Enable when "On Device" is recovered
 305                 // listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 306
 307             } else {
 308                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 309             }
 310
 311             /// Second fragment
 312             OCFile file = getFile();
 313             Fragment secondFragment = chooseInitialSecondFragment(file);
 314             if (secondFragment != null) {
 315                 setSecondFragment(secondFragment);
 316                 updateFragmentsVisibility(true);
 317                 updateActionBarTitleAndHomeButton(file);
 318
 319             } else {
 320                 cleanSecondFragment();
 321                 if (file.isDown() && PreviewTextFragment.canBePreviewed(file))
 322                     startTextPreview(file);
 323             }
 324
 325         } else {
 326             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 327             if (getAccount() == null) {
 328                 Log_OC.wtf(TAG, "\t account is NULL");
 329             }
 330             if (getFile() == null) {
 331                 Log_OC.wtf(TAG, "\t file is NULL");
 332             }
 333         }
 334     }
 335
 336     private Fragment chooseInitialSecondFragment(OCFile file) {
 337         Fragment secondFragment = null;
 338         if (file != null && !file.isFolder()) {
 339             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 340                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 341                     ) {
 342                 int startPlaybackPosition =
 343                         getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 344                 boolean autoplay =
 345                         getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 346                 secondFragment = new PreviewMediaFragment(file, getAccount(),
 347                         startPlaybackPosition, autoplay);
 348
 349             } else if (file.isDown() && PreviewTextFragment.canBePreviewed(file)) {
 350                 secondFragment = null;
 351             } else {
 352             secondFragment = FileDetailFragment.newInstance(file, getAccount());
 353         }
 354         }
 355         return secondFragment;
 356     }
 357
 358
 359     /**
 360      * Replaces the second fragment managed by the activity with the received as
 361      * a parameter.
 362      * <p/>
 363      * Assumes never will be more than two fragments managed at the same time.
 364      *
 365      * @param fragment New second Fragment to set.
 366      */
 367     private void setSecondFragment(Fragment fragment) {
 368         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 369         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 370         transaction.commit();
 371     }
 372
 373
 374     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 375         if (mDualPane) {
 376             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 377                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 378             }
 379             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 380                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 381             }
 382
 383         } else if (existsSecondFragment) {
 384             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 385                 mLeftFragmentContainer.setVisibility(View.GONE);
 386             }
 387             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 388                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 389             }
 390
 391         } else {
 392             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 393                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 394             }
 395             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 396                 mRightFragmentContainer.setVisibility(View.GONE);
 397             }
 398         }
 399     }
 400
 401
 402     private OCFileListFragment getListOfFilesFragment() {
 403         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 404                 FileDisplayActivity.TAG_LIST_OF_FILES);
 405         if (listOfFiles != null) {
 406             return (OCFileListFragment) listOfFiles;
 407         }
 408         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 409         return null;
 410     }
 411
 412     public FileFragment getSecondFragment() {
 413         Fragment second = getSupportFragmentManager().findFragmentByTag(
 414                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 415         if (second != null) {
 416             return (FileFragment) second;
 417         }
 418         return null;
 419     }
 420
 421     protected void cleanSecondFragment() {
 422         Fragment second = getSecondFragment();
 423         if (second != null) {
 424             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 425             tr.remove(second);
 426             tr.commit();
 427         }
 428         updateFragmentsVisibility(false);
 429         updateActionBarTitleAndHomeButton(null);
 430     }
 431
 432     protected void refreshListOfFilesFragment() {
 433         OCFileListFragment fileListFragment = getListOfFilesFragment();
 434         if (fileListFragment != null) {
 435             fileListFragment.listDirectory();
 436             // TODO Enable when "On Device" is recovered ?
 437             // fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 438         }
 439     }
 440
 441     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath,
 442                                          boolean success) {
 443         FileFragment secondFragment = getSecondFragment();
 444         boolean waitedPreview = (mWaitingToPreview != null &&
 445                 mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 446         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 447             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 448             OCFile fileInFragment = detailsFragment.getFile();
 449             if (fileInFragment != null &&
 450                     !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 451                 // the user browsed to other file ; forget the automatic preview
 452                 mWaitingToPreview = null;
 453
 454             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 455                 // grant that the right panel updates the progress bar
 456                 detailsFragment.listenForTransferProgress();
 457                 detailsFragment.updateFileDetails(true, false);
 458
 459             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 460                 //  update the right panel
 461                 boolean detailsFragmentChanged = false;
 462                 if (waitedPreview) {
 463                     if (success) {
 464                         mWaitingToPreview = getStorageManager().getFileById(
 465                                 mWaitingToPreview.getFileId());   // update the file from database,
 466                                                                   // for the local storage path
 467                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 468                             startMediaPreview(mWaitingToPreview, 0, true);
 469                             detailsFragmentChanged = true;
 470                         } else if (PreviewTextFragment.canBePreviewed(mWaitingToPreview)) {
 471                             startTextPreview(mWaitingToPreview);
 472                             detailsFragmentChanged = true;
 473                         } else {
 474                             getFileOperationsHelper().openFile(mWaitingToPreview);
 475                         }
 476                     }
 477                     mWaitingToPreview = null;
 478                 }
 479                 if (!detailsFragmentChanged) {
 480                     detailsFragment.updateFileDetails(false, (success));
 481                 }
 482             }
 483         }
 484     }
 485
 486     @Override
 487     public boolean onPrepareOptionsMenu(Menu menu) {
 488         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 489         menu.findItem(R.id.action_upload).setVisible(!drawerOpen);
 490         menu.findItem(R.id.action_create_dir).setVisible(!drawerOpen);
 491         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 492         menu.findItem(R.id.action_sync_account).setVisible(!drawerOpen);
 493
 494         return super.onPrepareOptionsMenu(menu);
 495     }
 496
 497     @Override
 498     public boolean onCreateOptionsMenu(Menu menu) {
 499         MenuInflater inflater = getMenuInflater();
 500         inflater.inflate(R.menu.main_menu, menu);
 501         return true;
 502     }
 503
 504
 505     @Override
 506     public boolean onOptionsItemSelected(MenuItem item) {
 507         boolean retval = true;
 508         switch (item.getItemId()) {
 509             case R.id.action_create_dir: {
 510                 CreateFolderDialogFragment dialog =
 511                         CreateFolderDialogFragment.newInstance(getCurrentDir());
 512                 dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 513                 break;
 514             }
 515
 516             case R.id.action_sync_account: {
 517                 startSynchronization();
 518                 break;
 519             }
 520             case R.id.action_upload: {
 521                 UploadSourceDialogFragment dialog =
 522                         UploadSourceDialogFragment.newInstance(getAccount());
 523                 dialog.show(getSupportFragmentManager(), DIALOG_UPLOAD_SOURCE);
 524                 break;
 525             }
 526             case android.R.id.home: {
 527                 FileFragment second = getSecondFragment();
 528                 OCFile currentDir = getCurrentDir();
 529                 if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 530                     mDrawerLayout.closeDrawer(GravityCompat.START);
 531                 } else if((currentDir != null && currentDir.getParentId() != 0) ||
 532                         (second != null && second.getFile() != null)) {
 533                     onBackPressed();
 534
 535                 } else {
 536                     mDrawerLayout.openDrawer(GravityCompat.START);
 537                 }
 538                 break;
 539             }
 540             case R.id.action_sort: {
 541                 SharedPreferences appPreferences = PreferenceManager
 542                         .getDefaultSharedPreferences(this);
 543
 544                 // Read sorting order, default to sort by name ascending
 545                 Integer sortOrder = appPreferences
 546                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 547
 548                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 549                 builder.setTitle(R.string.actionbar_sort_title)
 550                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 551                                 new DialogInterface.OnClickListener() {
 552                             public void onClick(DialogInterface dialog, int which) {
 553                                 switch (which){
 554                                     case 0:
 555                                         sortByName(true);
 556                                         break;
 557                                     case 1:
 558                                         sortByDate(false);
 559                                         break;
 560                                 }
 561
 562                                 dialog.dismiss();
 563                             }
 564                         });
 565                 builder.create().show();
 566                 break;
 567             }
 568         default:
 569             retval = super.onOptionsItemSelected(item);
 570         }
 571         return retval;
 572     }
 573
 574     private void startSynchronization() {
 575         Log_OC.d(TAG, "Got to start sync");
 576         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 577             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 578             ContentResolver.cancelSync(null, MainApp.getAuthority());
 579             // cancel the current synchronizations of any ownCloud account
 580             Bundle bundle = new Bundle();
 581             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 582             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 583             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 584                     MainApp.getAuthority());
 585             ContentResolver.requestSync(
 586                     getAccount(),
 587                     MainApp.getAuthority(), bundle);
 588         } else {
 589             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 590                     MainApp.getAuthority() + " with new API");
 591             SyncRequest.Builder builder = new SyncRequest.Builder();
 592             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 593             builder.setExpedited(true);
 594             builder.setManual(true);
 595             builder.syncOnce();
 596
 597             // Fix bug in Android Lollipop when you click on refresh the whole account
 598             Bundle extras = new Bundle();
 599             builder.setExtras(extras);
 600
 601             SyncRequest request = builder.build();
 602             ContentResolver.requestSync(request);
 603         }
 604     }
 605
 606     /**
 607      * Called, when the user selected something for uploading
 608      *
 609      */
 610     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 611     @Override
 612     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 613
 614         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 615                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 616             //getClipData is only supported on api level 16+, Jelly Bean
 617             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 618                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 619                     Intent intent = new Intent();
 620                     intent.setData(data.getClipData().getItemAt(i).getUri());
 621                     requestSimpleUpload(intent, resultCode);
 622                 }
 623             }else {
 624                 requestSimpleUpload(data, resultCode);
 625             }
 626         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 627                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 628             requestMultipleUpload(data, resultCode);
 629
 630         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 631             final Intent fData = data;
 632             final int fResultCode = resultCode;
 633             getHandler().postDelayed(
 634                     new Runnable() {
 635                         @Override
 636                         public void run() {
 637                             requestMoveOperation(fData, fResultCode);
 638                         }
 639                     },
 640                     DELAY_TO_REQUEST_OPERATIONS_LATER
 641             );
 642
 643         } else if (requestCode == ACTION_COPY_FILES && resultCode == RESULT_OK) {
 644
 645             final Intent fData = data;
 646             final int fResultCode = resultCode;
 647             getHandler().postDelayed(
 648                     new Runnable() {
 649                         @Override
 650                         public void run() {
 651                             requestCopyOperation(fData, fResultCode);
 652                         }
 653                     },
 654                     DELAY_TO_REQUEST_OPERATIONS_LATER
 655             );
 656
 657         } else {
 658             super.onActivityResult(requestCode, resultCode, data);
 659         }
 660
 661     }
 662
 663     private void requestMultipleUpload(Intent data, int resultCode) {
 664         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 665         if (filePaths != null) {
 666             String[] remotePaths = new String[filePaths.length];
 667             String remotePathBase = getCurrentDir().getRemotePath();
 668             for (int j = 0; j< remotePaths.length; j++) {
 669                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 670             }
 671
 672             Intent i = new Intent(this, FileUploader.class);
 673             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 674             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 675             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 676             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 677             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 678                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 679             startService(i);
 680
 681         } else {
 682             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 683             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 684                     Toast.LENGTH_LONG);
 685             t.show();
 686             return;
 687         }
 688     }
 689
 690
 691     private void requestSimpleUpload(Intent data, int resultCode) {
 692         String filePath = null;
 693         String mimeType = null;
 694
 695         Uri selectedImageUri = data.getData();
 696
 697         try {
 698             mimeType = getContentResolver().getType(selectedImageUri);
 699
 700             String fileManagerString = selectedImageUri.getPath();
 701             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 702
 703             if (selectedImagePath != null)
 704                 filePath = selectedImagePath;
 705             else
 706                 filePath = fileManagerString;
 707
 708         } catch (Exception e) {
 709             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 710                     "Intent.ACTION_GET_CONTENT", e);
 711
 712         } finally {
 713             if (filePath == null) {
 714                 Log_OC.e(TAG, "Couldn't resolve path to file");
 715                 Toast t = Toast.makeText(
 716                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 717                         Toast.LENGTH_LONG
 718                 );
 719                 t.show();
 720                 return;
 721             }
 722         }
 723
 724         Intent i = new Intent(this, FileUploader.class);
 725         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 726         OCFile currentDir = getCurrentDir();
 727         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 728
 729         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 730             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 731             try {
 732                 if (cursor != null && cursor.moveToFirst()) {
 733                     String displayName = cursor.getString(cursor.getColumnIndex(
 734                             OpenableColumns.DISPLAY_NAME));
 735                     Log_OC.v(TAG, "Display Name: " + displayName );
 736
 737                     displayName.replace(File.separatorChar, '_');
 738                     displayName.replace(File.pathSeparatorChar, '_');
 739                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 740
 741                 }
 742                 // and what happens in case of error?; wrong target name for the upload
 743             } finally {
 744                 cursor.close();
 745             }
 746
 747         } else {
 748             remotePath += new File(filePath).getName();
 749         }
 750
 751         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 752         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 753         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 754         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 755         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 756         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 757         startService(i);
 758     }
 759
 760     /**
 761      * Request the operation for moving the file/folder from one path to another
 762      *
 763      * @param data       Intent received
 764      * @param resultCode Result code received
 765      */
 766     private void requestMoveOperation(Intent data, int resultCode) {
 767         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 768         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 769         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 770     }
 771
 772     /**
 773      * Request the operation for copying the file/folder from one path to another
 774      *
 775      * @param data       Intent received
 776      * @param resultCode Result code received
 777      */
 778     private void requestCopyOperation(Intent data, int resultCode) {
 779         OCFile folderToMoveAt = data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 780         OCFile targetFile = data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 781         getFileOperationsHelper().copyFile(folderToMoveAt, targetFile);
 782     }
 783
 784     @Override
 785     public void onBackPressed() {
 786         if (!isDrawerOpen()){
 787             OCFileListFragment listOfFiles = getListOfFilesFragment();
 788             if (mDualPane || getSecondFragment() == null) {
 789                 OCFile currentDir = getCurrentDir();
 790                 if (currentDir == null || currentDir.getParentId() == FileDataStorageManager.ROOT_PARENT_ID) {
 791                     finish();
 792                     return;
 793                 }
 794                 if (listOfFiles != null) {  // should never be null, indeed
 795                     listOfFiles.onBrowseUp();
 796                 }
 797             }
 798             if (listOfFiles != null) {  // should never be null, indeed
 799                 setFile(listOfFiles.getCurrentFile());
 800             }
 801             cleanSecondFragment();
 802         } else {
 803             super.onBackPressed();
 804         }
 805     }
 806
 807     @Override
 808     protected void onSaveInstanceState(Bundle outState) {
 809         // responsibility of restore is preferred in onCreate() before than in
 810         // onRestoreInstanceState when there are Fragments involved
 811         Log_OC.v(TAG, "onSaveInstanceState() start");
 812         super.onSaveInstanceState(outState);
 813         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 814         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 815         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 816         // mRefreshSharesInProgress);
 817         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 818
 819         Log_OC.v(TAG, "onSaveInstanceState() end");
 820     }
 821
 822
 823     @Override
 824     protected void onResume() {
 825         Log_OC.v(TAG, "onResume() start");
 826         super.onResume();
 827         // refresh Navigation Drawer account list
 828         mNavigationDrawerAdapter.updateAccountList();
 829
 830         // refresh list of files
 831         refreshListOfFilesFragment();
 832
 833         // Listen for sync messages
 834         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 835         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 836         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 837         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 838         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 839         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 840         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 841         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 842         // syncIntentFilter);
 843
 844         // Listen for upload messages
 845         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 846         mUploadFinishReceiver = new UploadFinishReceiver();
 847         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 848
 849         // Listen for download messages
 850         IntentFilter downloadIntentFilter = new IntentFilter(
 851                 FileDownloader.getDownloadAddedMessage());
 852         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 853         mDownloadFinishReceiver = new DownloadFinishReceiver();
 854         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 855
 856         Log_OC.v(TAG, "onResume() end");
 857
 858     }
 859
 860
 861     @Override
 862     protected void onPause() {
 863         Log_OC.v(TAG, "onPause() start");
 864         if (mSyncBroadcastReceiver != null) {
 865             unregisterReceiver(mSyncBroadcastReceiver);
 866             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 867             mSyncBroadcastReceiver = null;
 868         }
 869         if (mUploadFinishReceiver != null) {
 870             unregisterReceiver(mUploadFinishReceiver);
 871             mUploadFinishReceiver = null;
 872         }
 873         if (mDownloadFinishReceiver != null) {
 874             unregisterReceiver(mDownloadFinishReceiver);
 875             mDownloadFinishReceiver = null;
 876         }
 877
 878         super.onPause();
 879         Log_OC.v(TAG, "onPause() end");
 880     }
 881
 882
 883     private class SyncBroadcastReceiver extends BroadcastReceiver {
 884
 885         /**
 886          * {@link BroadcastReceiver} to enable syncing feedback in UI
 887          */
 888         @Override
 889         public void onReceive(Context context, Intent intent) {
 890             try {
 891                 String event = intent.getAction();
 892                 Log_OC.d(TAG, "Received broadcast " + event);
 893                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 894                 String synchFolderRemotePath =
 895                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 896                 RemoteOperationResult synchResult =
 897                         (RemoteOperationResult)intent.getSerializableExtra(
 898                                 FileSyncAdapter.EXTRA_RESULT);
 899                 boolean sameAccount = (getAccount() != null &&
 900                         accountName.equals(getAccount().name) && getStorageManager() != null);
 901
 902                 if (sameAccount) {
 903
 904                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 905                         mSyncInProgress = true;
 906
 907                     } else {
 908                         OCFile currentFile = (getFile() == null) ? null :
 909                                 getStorageManager().getFileByPath(getFile().getRemotePath());
 910                         OCFile currentDir = (getCurrentDir() == null) ? null :
 911                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 912
 913                         if (currentDir == null) {
 914                             // current folder was removed from the server
 915                             Toast.makeText( FileDisplayActivity.this,
 916                                             String.format(
 917                                                     getString(R.string.
 918                                                             sync_current_folder_was_removed),
 919                                                    synchFolderRemotePath),
 920                                             Toast.LENGTH_LONG)
 921                                 .show();
 922
 923                             browseToRoot();
 924
 925                         } else {
 926                             if (currentFile == null && !getFile().isFolder()) {
 927                                 // currently selected file was removed in the server, and now we
 928                                 // know it
 929                                 cleanSecondFragment();
 930                                 currentFile = currentDir;
 931                             }
 932
 933                             if (synchFolderRemotePath != null &&
 934                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 935                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 936                                 if (fileListFragment != null) {
 937                                     fileListFragment.listDirectory();
 938                                     // TODO Enable when "On Device" is recovered ?
 939                                     // fileListFragment.listDirectory(currentDir,
 940                                     // MainApp.getOnlyOnDevice());
 941                                 }
 942                             }
 943                             setFile(currentFile);
 944                         }
 945
 946                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 947                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
 948                                         .equals(event));
 949
 950                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 951                                     equals(event) &&/// TODO refactor and make common
 952
 953                                 synchResult != null && !synchResult.isSuccess() &&
 954                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED ||
 955                                         synchResult.isIdPRedirection() ||
 956                                         (synchResult.isException() && synchResult.getException()
 957                                                 instanceof AuthenticatorException))) {
 958
 959
 960                             try {
 961                                 OwnCloudClient client;
 962                                 OwnCloudAccount ocAccount =
 963                                         new OwnCloudAccount(getAccount(), context);
 964                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 965                                         removeClientFor(ocAccount));
 966                                 if (client != null) {
 967                                     OwnCloudCredentials cred = client.getCredentials();
 968                                     if (cred != null) {
 969                                         AccountManager am = AccountManager.get(context);
 970                                         if (cred.authTokenExpires()) {
 971                                             am.invalidateAuthToken(
 972                                                     getAccount().type,
 973                                                     cred.getAuthToken()
 974                                             );
 975                                         } else {
 976                                             am.clearPassword(getAccount());
 977                                         }
 978                                     }
 979                                 }
 980                                 requestCredentialsUpdate();
 981
 982                             } catch (AccountNotFoundException e) {
 983                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
 984                             }
 985
 986                         }
 987
 988                     }
 989                     removeStickyBroadcast(intent);
 990                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 991                     mProgressBar.setIndeterminate(mSyncInProgress);
 992                     //mProgressBar.setVisibility((mSyncInProgress) ? View.VISIBLE : View.INVISIBLE);
 993                     //setSupportProgressBarIndeterminateVisibility(mSyncInProgress
 994                     /*|| mRefreshSharesInProgress*/ //);
 995
 996                     setBackgroundText();
 997
 998                 }
 999
1000                 if (synchResult != null) {
1001                     if (synchResult.getCode().equals(
1002                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1003                         mLastSslUntrustedServerResult = synchResult;
1004                     }
1005                 }
1006             } catch (RuntimeException e) {
1007                 // avoid app crashes after changing the serial id of RemoteOperationResult
1008                 // in owncloud library with broadcast notifications pending to process
1009                 removeStickyBroadcast(intent);
1010             }
1011         }
1012     }
1013
1014     /**
1015      * Show a text message on screen view for notifying user if content is
1016      * loading or folder is empty
1017      */
1018     private void setBackgroundText() {
1019         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1020         if (ocFileListFragment != null) {
1021             int message = R.string.file_list_loading;
1022             if (!mSyncInProgress) {
1023                 // In case file list is empty
1024                 message = R.string.file_list_empty;
1025             }
1026             ocFileListFragment.setMessageForEmptyList(getString(message));
1027         } else {
1028             Log_OC.e(TAG, "OCFileListFragment is null");
1029         }
1030     }
1031
1032     /**
1033      * Once the file upload has finished -> update view
1034      */
1035     private class UploadFinishReceiver extends BroadcastReceiver {
1036         /**
1037          * Once the file upload has finished -> update view
1038          *
1039          * @author David A. Velasco
1040          * {@link BroadcastReceiver} to enable upload feedback in UI
1041          */
1042         @Override
1043         public void onReceive(Context context, Intent intent) {
1044             try {
1045                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1046                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1047                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1048                 OCFile currentDir = getCurrentDir();
1049                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1050                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1051
1052                 if (sameAccount && isDescendant) {
1053                     String linkedToRemotePath =
1054                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1055                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1056                         refreshListOfFilesFragment();
1057                     }
1058                 }
1059
1060                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1061                         false);
1062                 boolean renamedInUpload = getFile().getRemotePath().
1063                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1064                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1065                         renamedInUpload;
1066                 FileFragment details = getSecondFragment();
1067                 boolean detailFragmentIsShown = (details != null &&
1068                         details instanceof FileDetailFragment);
1069
1070                 if (sameAccount && sameFile && detailFragmentIsShown) {
1071                     if (uploadWasFine) {
1072                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1073                     }
1074                     if (renamedInUpload) {
1075                         String newName = (new File(uploadedRemotePath)).getName();
1076                         Toast msg = Toast.makeText(
1077                                 context,
1078                                 String.format(
1079                                         getString(R.string.filedetails_renamed_in_upload_msg),
1080                                         newName),
1081                                 Toast.LENGTH_LONG);
1082                         msg.show();
1083                     }
1084                     if (uploadWasFine || getFile().fileExists()) {
1085                         ((FileDetailFragment) details).updateFileDetails(false, true);
1086                     } else {
1087                         cleanSecondFragment();
1088                     }
1089
1090                     // Force the preview if the file is an image or text file
1091                     if (uploadWasFine) {
1092                         OCFile ocFile = getFile();
1093                         if (PreviewImageFragment.canBePreviewed(ocFile))
1094                             startImagePreview(getFile());
1095                         else if (PreviewTextFragment.canBePreviewed(ocFile))
1096                             startTextPreview(ocFile);
1097                         // TODO what about other kind of previews?
1098                     }
1099                 }
1100
1101                 mProgressBar.setIndeterminate(false);
1102             } finally {
1103                 if (intent != null) {
1104                     removeStickyBroadcast(intent);
1105                 }
1106             }
1107
1108         }
1109
1110         // TODO refactor this receiver, and maybe DownloadFinishReceiver; this method is duplicated :S
1111         private boolean isAscendant(String linkedToRemotePath) {
1112             OCFile currentDir = getCurrentDir();
1113             return (
1114                     currentDir != null &&
1115                             currentDir.getRemotePath().startsWith(linkedToRemotePath)
1116             );
1117         }
1118
1119
1120     }
1121
1122
1123     /**
1124      * Class waiting for broadcast events from the {@link FileDownloader} service.
1125      *
1126      * Updates the UI when a download is started or finished, provided that it is relevant for the
1127      * current folder.
1128      */
1129     private class DownloadFinishReceiver extends BroadcastReceiver {
1130
1131         @Override
1132         public void onReceive(Context context, Intent intent) {
1133             try {
1134                 boolean sameAccount = isSameAccount(intent);
1135                 String downloadedRemotePath =
1136                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1137                 boolean isDescendant = isDescendant(downloadedRemotePath);
1138
1139                 if (sameAccount && isDescendant) {
1140                     String linkedToRemotePath =
1141                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1142                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1143                         refreshListOfFilesFragment();
1144                     }
1145                     refreshSecondFragment(
1146                             intent.getAction(),
1147                             downloadedRemotePath,
1148                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1149                     );
1150                 }
1151
1152                 if (mWaitingToSend != null) {
1153                     mWaitingToSend =
1154                             getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1155                     if (mWaitingToSend.isDown()) {
1156                         sendDownloadedFile();
1157                     }
1158                 }
1159
1160             } finally {
1161                 if (intent != null) {
1162                     removeStickyBroadcast(intent);
1163                 }
1164             }
1165         }
1166
1167         private boolean isDescendant(String downloadedRemotePath) {
1168             OCFile currentDir = getCurrentDir();
1169             return (
1170                 currentDir != null &&
1171                 downloadedRemotePath != null &&
1172                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1173             );
1174         }
1175
1176         private boolean isAscendant(String linkedToRemotePath) {
1177             OCFile currentDir = getCurrentDir();
1178             return (
1179                 currentDir != null &&
1180                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1181             );
1182         }
1183
1184         private boolean isSameAccount(Intent intent) {
1185             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1186             return (accountName != null && getAccount() != null &&
1187                     accountName.equals(getAccount().name));
1188         }
1189     }
1190
1191
1192     public void browseToRoot() {
1193         OCFileListFragment listOfFiles = getListOfFilesFragment();
1194         if (listOfFiles != null) {  // should never be null, indeed
1195             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1196             listOfFiles.listDirectory(root);
1197             // TODO Enable when "On Device" is recovered ?
1198             // listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1199             setFile(listOfFiles.getCurrentFile());
1200             startSyncFolderOperation(root, false);
1201         }
1202         cleanSecondFragment();
1203     }
1204
1205
1206     /**
1207      * {@inheritDoc}
1208      * <p/>
1209      * Updates action bar and second fragment, if in dual pane mode.
1210      */
1211     @Override
1212     public void onBrowsedDownTo(OCFile directory) {
1213         setFile(directory);
1214         cleanSecondFragment();
1215         // Sync Folder
1216         startSyncFolderOperation(directory, false);
1217     }
1218
1219     /**
1220      * Shows the information of the {@link OCFile} received as a
1221      * parameter in the second fragment.
1222      *
1223      * @param file {@link OCFile} whose details will be shown
1224      */
1225     @Override
1226     public void showDetails(OCFile file) {
1227         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1228         setSecondFragment(detailFragment);
1229         updateFragmentsVisibility(true);
1230         updateActionBarTitleAndHomeButton(file);
1231         setFile(file);
1232     }
1233
1234     @Override
1235     protected void updateActionBarTitleAndHomeButton(OCFile chosenFile) {
1236         if (mDualPane) {
1237             // in dual pane mode, keep the focus of title an action bar in the current folder
1238             super.updateActionBarTitleAndHomeButton(getCurrentDir());
1239
1240         } else {
1241             super.updateActionBarTitleAndHomeButton(chosenFile);
1242         }
1243
1244     }
1245
1246     @Override
1247     protected ServiceConnection newTransferenceServiceConnection() {
1248         return new ListServiceConnection();
1249     }
1250
1251     /**
1252      * Defines callbacks for service binding, passed to bindService()
1253      */
1254     private class ListServiceConnection implements ServiceConnection {
1255
1256         @Override
1257         public void onServiceConnected(ComponentName component, IBinder service) {
1258             if (component.equals(new ComponentName(
1259                     FileDisplayActivity.this, FileDownloader.class))) {
1260                 Log_OC.d(TAG, "Download service connected");
1261                 mDownloaderBinder = (FileDownloaderBinder) service;
1262                 if (mWaitingToPreview != null)
1263                     if (getStorageManager() != null) {
1264                          // update the file
1265                         mWaitingToPreview =
1266                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1267                         if (!mWaitingToPreview.isDown()) {
1268                             requestForDownload();
1269                         }
1270                     }
1271
1272             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1273                     FileUploader.class))) {
1274                 Log_OC.d(TAG, "Upload service connected");
1275                 mUploaderBinder = (FileUploaderBinder) service;
1276             } else {
1277                 return;
1278             }
1279             // a new chance to get the mDownloadBinder through
1280             // getFileDownloadBinder() - THIS IS A MESS
1281             OCFileListFragment listOfFiles = getListOfFilesFragment();
1282             if (listOfFiles != null) {
1283                 listOfFiles.listDirectory();
1284                 // TODO Enable when "On Device" is recovered ?
1285                 // listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1286             }
1287             FileFragment secondFragment = getSecondFragment();
1288             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1289                 FileDetailFragment detailFragment = (FileDetailFragment) secondFragment;
1290                 detailFragment.listenForTransferProgress();
1291                 detailFragment.updateFileDetails(false, false);
1292             }
1293         }
1294
1295         @Override
1296         public void onServiceDisconnected(ComponentName component) {
1297             if (component.equals(new ComponentName(FileDisplayActivity.this,
1298                     FileDownloader.class))) {
1299                 Log_OC.d(TAG, "Download service disconnected");
1300                 mDownloaderBinder = null;
1301             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1302                     FileUploader.class))) {
1303                 Log_OC.d(TAG, "Upload service disconnected");
1304                 mUploaderBinder = null;
1305             }
1306         }
1307     }
1308
1309     @Override
1310     public void onSavedCertificate() {
1311         startSyncFolderOperation(getCurrentDir(), false);
1312     }
1313
1314
1315     @Override
1316     public void onFailedSavingCertificate() {
1317         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1318                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1319         );
1320         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1321     }
1322
1323     @Override
1324     public void onCancelCertificate() {
1325         // nothing to do
1326     }
1327
1328     /**
1329      * Updates the view associated to the activity after the finish of some operation over files
1330      * in the current account.
1331      *
1332      * @param operation Removal operation performed.
1333      * @param result    Result of the removal.
1334      */
1335     @Override
1336     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1337         super.onRemoteOperationFinish(operation, result);
1338
1339         if (operation instanceof RemoveFileOperation) {
1340             onRemoveFileOperationFinish((RemoveFileOperation) operation, result);
1341
1342         } else if (operation instanceof RenameFileOperation) {
1343             onRenameFileOperationFinish((RenameFileOperation) operation, result);
1344
1345         } else if (operation instanceof SynchronizeFileOperation) {
1346             onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
1347
1348         } else if (operation instanceof CreateFolderOperation) {
1349             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
1350
1351         } else if (operation instanceof CreateShareViaLinkOperation ||
1352                     operation instanceof CreateShareWithShareeOperation ) {
1353
1354             refreshShowDetails();
1355             refreshListOfFilesFragment();
1356
1357         } else if (operation instanceof UnshareOperation) {
1358             onUnshareLinkOperationFinish((UnshareOperation) operation, result);
1359
1360         } else if (operation instanceof MoveFileOperation) {
1361             onMoveFileOperationFinish((MoveFileOperation) operation, result);
1362
1363         } else if (operation instanceof CopyFileOperation) {
1364             onCopyFileOperationFinish((CopyFileOperation) operation, result);
1365         }
1366
1367     }
1368
1369     private void onUnshareLinkOperationFinish(UnshareOperation operation,
1370                                               RemoteOperationResult result) {
1371         if (result.isSuccess()) {
1372             refreshShowDetails();
1373             refreshListOfFilesFragment();
1374
1375         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1376             cleanSecondFragment();
1377             refreshListOfFilesFragment();
1378         }
1379     }
1380
1381     private void refreshShowDetails() {
1382         FileFragment details = getSecondFragment();
1383         if (details != null) {
1384             OCFile file = details.getFile();
1385             if (file != null) {
1386                 file = getStorageManager().getFileByPath(file.getRemotePath());
1387                 if (details instanceof PreviewMediaFragment) {
1388                     // Refresh  OCFile of the fragment
1389                     ((PreviewMediaFragment) details).updateFile(file);
1390                 } else if (details instanceof PreviewTextFragment) {
1391                     // Refresh  OCFile of the fragment
1392                     ((PreviewTextFragment) details).updateFile(file);
1393                 } else {
1394                     showDetails(file);
1395                 }
1396             }
1397             invalidateOptionsMenu();
1398         }
1399     }
1400
1401     /**
1402      * Updates the view associated to the activity after the finish of an operation trying to
1403      * remove a file.
1404      *
1405      * @param operation     Removal operation performed.
1406      * @param result        Result of the removal.
1407      */
1408     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1409                                              RemoteOperationResult result) {
1410         Toast msg = Toast.makeText(this,
1411                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1412                 Toast.LENGTH_LONG);
1413         msg.show();
1414
1415         if (result.isSuccess()) {
1416             OCFile removedFile = operation.getFile();
1417             FileFragment second = getSecondFragment();
1418             if (second != null && removedFile.equals(second.getFile())) {
1419                 if (second instanceof PreviewMediaFragment) {
1420                     ((PreviewMediaFragment) second).stopPreview(true);
1421                 }
1422                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1423                 cleanSecondFragment();
1424             }
1425             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())){
1426                 refreshListOfFilesFragment();
1427             }
1428             invalidateOptionsMenu();
1429         } else {
1430             if (result.isSslRecoverableException()) {
1431                 mLastSslUntrustedServerResult = result;
1432                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1433             }
1434         }
1435     }
1436
1437
1438     /**
1439      * Updates the view associated to the activity after the finish of an operation trying to move a
1440      * file.
1441      *
1442      * @param operation Move operation performed.
1443      * @param result    Result of the move operation.
1444      */
1445     private void onMoveFileOperationFinish(MoveFileOperation operation,
1446                                            RemoteOperationResult result) {
1447         if (result.isSuccess()) {
1448             refreshListOfFilesFragment();
1449         } else {
1450             try {
1451                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1452                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1453                         Toast.LENGTH_LONG);
1454                 msg.show();
1455
1456             } catch (NotFoundException e) {
1457                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1458             }
1459         }
1460     }
1461
1462     /**
1463      * Updates the view associated to the activity after the finish of an operation trying to copy a
1464      * file.
1465      *
1466      * @param operation Copy operation performed.
1467      * @param result    Result of the copy operation.
1468      */
1469     private void onCopyFileOperationFinish(CopyFileOperation operation, RemoteOperationResult result) {
1470         if (result.isSuccess()) {
1471             refreshListOfFilesFragment();
1472         } else {
1473             try {
1474                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1475                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1476                         Toast.LENGTH_LONG);
1477                 msg.show();
1478
1479             } catch (NotFoundException e) {
1480                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1481             }
1482         }
1483     }
1484
1485     /**
1486      * Updates the view associated to the activity after the finish of an operation trying to rename
1487      * a file.
1488      *
1489      * @param operation     Renaming operation performed.
1490      * @param result        Result of the renaming.
1491      */
1492     private void onRenameFileOperationFinish(RenameFileOperation operation,
1493                                              RemoteOperationResult result) {
1494         OCFile renamedFile = operation.getFile();
1495         if (result.isSuccess()) {
1496             FileFragment details = getSecondFragment();
1497             if (details != null) {
1498                 if (details instanceof FileDetailFragment &&
1499                         renamedFile.equals(details.getFile()) ) {
1500                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1501                     showDetails(renamedFile);
1502
1503                 } else if (details instanceof PreviewMediaFragment &&
1504                         renamedFile.equals(details.getFile())) {
1505                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1506                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1507                         int position = ((PreviewMediaFragment) details).getPosition();
1508                         startMediaPreview(renamedFile, position, true);
1509                     } else {
1510                         getFileOperationsHelper().openFile(renamedFile);
1511                     }
1512                 } else if (details instanceof PreviewTextFragment &&
1513                         renamedFile.equals(details.getFile())) {
1514                     ((PreviewTextFragment) details).updateFile(renamedFile);
1515                     if (PreviewTextFragment.canBePreviewed(renamedFile)) {
1516                         startTextPreview(renamedFile);
1517                     } else {
1518                         getFileOperationsHelper().openFile(renamedFile);
1519                     }
1520                 }
1521             }
1522
1523             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1524                 refreshListOfFilesFragment();
1525             }
1526
1527         } else {
1528             Toast msg = Toast.makeText(this,
1529                     ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1530                     Toast.LENGTH_LONG);
1531             msg.show();
1532
1533             if (result.isSslRecoverableException()) {
1534                 mLastSslUntrustedServerResult = result;
1535                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1536             }
1537         }
1538     }
1539
1540     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
1541                                                   RemoteOperationResult result) {
1542         if (result.isSuccess()) {
1543             if (operation.transferWasRequested()) {
1544                 OCFile syncedFile = operation.getLocalFile();
1545                 onTransferStateChanged(syncedFile, true, true);
1546                 invalidateOptionsMenu();
1547                 refreshShowDetails();
1548             }
1549         }
1550     }
1551
1552     /**
1553      * Updates the view associated to the activity after the finish of an operation trying create a
1554      * new folder
1555      *
1556      * @param operation     Creation operation performed.
1557      * @param result        Result of the creation.
1558      */
1559     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1560                                                RemoteOperationResult result) {
1561         if (result.isSuccess()) {
1562             refreshListOfFilesFragment();
1563         } else {
1564             try {
1565                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1566                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1567                         Toast.LENGTH_LONG);
1568                 msg.show();
1569
1570             } catch (NotFoundException e) {
1571                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1572             }
1573         }
1574     }
1575
1576
1577     /**
1578      * {@inheritDoc}
1579      */
1580     @Override
1581     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1582         refreshListOfFilesFragment();
1583         FileFragment details = getSecondFragment();
1584         if (details != null && details instanceof FileDetailFragment &&
1585                 file.equals(details.getFile()) ) {
1586             if (downloading || uploading) {
1587                 ((FileDetailFragment) details).updateFileDetails(file, getAccount());
1588             } else {
1589                 if (!file.fileExists()) {
1590                     cleanSecondFragment();
1591                 } else {
1592                     ((FileDetailFragment) details).updateFileDetails(false, true);
1593                 }
1594             }
1595         }
1596
1597     }
1598
1599
1600     private void requestForDownload() {
1601         Account account = getAccount();
1602         //if (!mWaitingToPreview.isDownloading()) {
1603         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1604             Intent i = new Intent(this, FileDownloader.class);
1605             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1606             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1607             startService(i);
1608         }
1609     }
1610
1611
1612     private OCFile getCurrentDir() {
1613         OCFile file = getFile();
1614         if (file != null) {
1615             if (file.isFolder()) {
1616                 return file;
1617             } else if (getStorageManager() != null) {
1618                 String parentPath = file.getRemotePath().substring(0,
1619                         file.getRemotePath().lastIndexOf(file.getFileName()));
1620                 return getStorageManager().getFileByPath(parentPath);
1621             }
1622         }
1623         return null;
1624     }
1625
1626     /**
1627      * Starts an operation to refresh the requested folder.
1628      *
1629      * The operation is run in a new background thread created on the fly.
1630      *
1631      * The refresh updates is a "light sync": properties of regular files in folder are updated (including
1632      * associated shares), but not their contents. Only the contents of files marked to be kept-in-sync are
1633      * synchronized too.
1634      *
1635      * @param folder        Folder to refresh.
1636      * @param ignoreETag    If 'true', the data from the server will be fetched and sync'ed even if the eTag
1637      *                      didn't change.
1638      */
1639     public void startSyncFolderOperation(final OCFile folder, final boolean ignoreETag) {
1640
1641         // the execution is slightly delayed to allow the activity get the window focus if it's being started
1642         // or if the method is called from a dialog that is being dismissed
1643         getHandler().postDelayed(
1644                 new Runnable() {
1645                     @Override
1646                     public void run() {
1647                         if (hasWindowFocus()) {
1648                             long currentSyncTime = System.currentTimeMillis();
1649                             mSyncInProgress = true;
1650
1651                             // perform folder synchronization
1652                             RemoteOperation synchFolderOp = new RefreshFolderOperation(folder,
1653                                     currentSyncTime,
1654                                     false,
1655                                     getFileOperationsHelper().isSharedSupported(),
1656                                     ignoreETag,
1657                                     getStorageManager(),
1658                                     getAccount(),
1659                                     getApplicationContext()
1660                             );
1661                             synchFolderOp.execute(
1662                                     getAccount(),
1663                                     MainApp.getAppContext(),
1664                                     FileDisplayActivity.this,
1665                                     null,
1666                                     null
1667                             );
1668
1669                             mProgressBar.setIndeterminate(true);
1670
1671                             setBackgroundText();
1672
1673                         }   // else: NOTHING ; lets' not refresh when the user rotates the device but there is
1674                         // another window floating over
1675                     }
1676                 },
1677                 DELAY_TO_REQUEST_OPERATIONS_LATER
1678         );
1679
1680     }
1681
1682     /**
1683      * Show untrusted cert dialog
1684      */
1685     public void showUntrustedCertDialog(RemoteOperationResult result) {
1686         // Show a dialog with the certificate info
1687         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1688                 (CertificateCombinedException) result.getException());
1689         FragmentManager fm = getSupportFragmentManager();
1690         FragmentTransaction ft = fm.beginTransaction();
1691         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1692     }
1693
1694     private void requestForDownload(OCFile file) {
1695         Account account = getAccount();
1696         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1697             Intent i = new Intent(this, FileDownloader.class);
1698             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1699             i.putExtra(FileDownloader.EXTRA_FILE, file);
1700             startService(i);
1701         }
1702     }
1703
1704     private void sendDownloadedFile() {
1705         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1706         mWaitingToSend = null;
1707     }
1708
1709
1710     /**
1711      * Requests the download of the received {@link OCFile} , updates the UI
1712      * to monitor the download progress and prepares the activity to send the file
1713      * when the download finishes.
1714      *
1715      * @param file {@link OCFile} to download and preview.
1716      */
1717     public void startDownloadForSending(OCFile file) {
1718         mWaitingToSend = file;
1719         requestForDownload(mWaitingToSend);
1720         boolean hasSecondFragment = (getSecondFragment() != null);
1721         updateFragmentsVisibility(hasSecondFragment);
1722     }
1723
1724     /**
1725      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1726      *
1727      * @param file Image {@link OCFile} to show.
1728      */
1729     public void startImagePreview(OCFile file) {
1730         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1731         showDetailsIntent.putExtra(EXTRA_FILE, file);
1732         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1733         startActivity(showDetailsIntent);
1734     }
1735
1736     /**
1737      * Stars the preview of an already down media {@link OCFile}.
1738      *
1739      * @param file                      Media {@link OCFile} to preview.
1740      * @param startPlaybackPosition     Media position where the playback will be started,
1741      *                                  in milliseconds.
1742      * @param autoplay                  When 'true', the playback will start without user
1743      *                                  interactions.
1744      */
1745     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1746         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1747                 autoplay);
1748         setSecondFragment(mediaFragment);
1749         updateFragmentsVisibility(true);
1750         updateActionBarTitleAndHomeButton(file);
1751         setFile(file);
1752     }
1753
1754     /**
1755      * Stars the preview of a text file {@link OCFile}.
1756      *
1757      * @param file Text {@link OCFile} to preview.
1758      */
1759     public void startTextPreview(OCFile file) {
1760         Bundle args = new Bundle();
1761         args.putParcelable(EXTRA_FILE, file);
1762         args.putParcelable(EXTRA_ACCOUNT, getAccount());
1763         Fragment textPreviewFragment = Fragment.instantiate(getApplicationContext(),
1764                 PreviewTextFragment.class.getName(), args);
1765         setSecondFragment(textPreviewFragment);
1766         updateFragmentsVisibility(true);
1767         //updateNavigationElementsInActionBar(file);
1768         setFile(file);
1769     }
1770
1771     /**
1772      * Requests the download of the received {@link OCFile} , updates the UI
1773      * to monitor the download progress and prepares the activity to preview
1774      * or open the file when the download finishes.
1775      *
1776      * @param file {@link OCFile} to download and preview.
1777      */
1778     public void startDownloadForPreview(OCFile file) {
1779         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1780         setSecondFragment(detailFragment);
1781         mWaitingToPreview = file;
1782         requestForDownload();
1783         updateFragmentsVisibility(true);
1784         updateActionBarTitleAndHomeButton(file);
1785         setFile(file);
1786     }
1787
1788
1789     public void cancelTransference(OCFile file) {
1790         getFileOperationsHelper().cancelTransference(file);
1791         if (mWaitingToPreview != null &&
1792                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1793             mWaitingToPreview = null;
1794         }
1795         if (mWaitingToSend != null &&
1796                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1797             mWaitingToSend = null;
1798         }
1799         onTransferStateChanged(file, false, false);
1800     }
1801
1802     @Override
1803     public void onRefresh(boolean ignoreETag) {
1804         refreshList(ignoreETag);
1805     }
1806
1807     @Override
1808     public void onRefresh() {
1809         refreshList(true);
1810     }
1811
1812     private void refreshList(boolean ignoreETag) {
1813         OCFileListFragment listOfFiles = getListOfFilesFragment();
1814         if (listOfFiles != null) {
1815             OCFile folder = listOfFiles.getCurrentFile();
1816             if (folder != null) {
1817                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1818                 listDirectory(mFile);*/
1819                 startSyncFolderOperation(folder, ignoreETag);
1820             }
1821         }
1822     }
1823
1824     private void sortByDate(boolean ascending) {
1825         getListOfFilesFragment().sortByDate(ascending);
1826     }
1827
1828     private void sortBySize(boolean ascending) {
1829         getListOfFilesFragment().sortBySize(ascending);
1830     }
1831
1832     private void sortByName(boolean ascending) {
1833         getListOfFilesFragment().sortByName(ascending);
1834     }
1835
1836    public void allFilesOption() {
1837        browseToRoot();
1838    }
1839 }