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