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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22 import java.io.IOException;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.app.AlertDialog;
  29 import android.app.Dialog;
  30 import android.app.ProgressDialog;
  31 import android.content.BroadcastReceiver;
  32 import android.content.ComponentName;
  33 import android.content.ContentResolver;
  34 import android.content.ContentUris;
  35 import android.content.Context;
  36 import android.content.DialogInterface;
  37 import android.content.Intent;
  38 import android.content.IntentFilter;
  39 import android.content.ServiceConnection;
  40 import android.content.SharedPreferences;
  41 import android.content.SyncRequest;
  42 import android.content.res.Resources.NotFoundException;
  43 import android.database.Cursor;
  44 import android.net.Uri;
  45 import android.os.Build;
  46 import android.os.Bundle;
  47 import android.os.Environment;
  48 import android.os.IBinder;
  49 import android.preference.PreferenceManager;
  50 import android.provider.DocumentsContract;
  51 import android.provider.MediaStore;
  52 import android.provider.OpenableColumns;
  53 import android.support.v4.app.Fragment;
  54 import android.support.v4.app.FragmentManager;
  55 import android.support.v4.app.FragmentTransaction;
  56 import android.util.Log;
  57 import android.view.View;
  58 import android.view.ViewGroup;
  59 import android.widget.ArrayAdapter;
  60 import android.widget.TextView;
  61 import android.widget.Toast;
  62
  63 import com.actionbarsherlock.app.ActionBar;
  64 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  65 import com.actionbarsherlock.view.Menu;
  66 import com.actionbarsherlock.view.MenuInflater;
  67 import com.actionbarsherlock.view.MenuItem;
  68 import com.actionbarsherlock.view.Window;
  69 import com.owncloud.android.BuildConfig;
  70 import com.owncloud.android.MainApp;
  71 import com.owncloud.android.R;
  72 import com.owncloud.android.datamodel.OCFile;
  73 import com.owncloud.android.files.services.FileDownloader;
  74 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  75 import com.owncloud.android.files.services.FileUploader;
  76 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  77 import com.owncloud.android.lib.common.OwnCloudAccount;
  78 import com.owncloud.android.lib.common.OwnCloudClient;
  79 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  80 import com.owncloud.android.lib.common.OwnCloudCredentials;
  81 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  82 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  83 import com.owncloud.android.lib.common.operations.RemoteOperation;
  84 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  85 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  86 import com.owncloud.android.lib.common.utils.Log_OC;
  87 import com.owncloud.android.operations.CreateFolderOperation;
  88 import com.owncloud.android.operations.CreateShareOperation;
  89 import com.owncloud.android.operations.MoveFileOperation;
  90 import com.owncloud.android.operations.RemoveFileOperation;
  91 import com.owncloud.android.operations.RenameFileOperation;
  92 import com.owncloud.android.operations.SynchronizeFileOperation;
  93 import com.owncloud.android.operations.SynchronizeFolderOperation;
  94 import com.owncloud.android.operations.UnshareLinkOperation;
  95 import com.owncloud.android.services.observer.FileObserverService;
  96 import com.owncloud.android.syncadapter.FileSyncAdapter;
  97 import com.owncloud.android.ui.adapter.FileListListAdapter;
  98 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  99 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
 100 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
 101 import com.owncloud.android.ui.fragment.FileDetailFragment;
 102 import com.owncloud.android.ui.fragment.FileFragment;
 103 import com.owncloud.android.ui.fragment.OCFileListFragment;
 104 import com.owncloud.android.ui.preview.PreviewImageActivity;
 105 import com.owncloud.android.ui.preview.PreviewImageFragment;
 106 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 107 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 108 import com.owncloud.android.utils.DisplayUtils;
 109 import com.owncloud.android.utils.ErrorMessageAdapter;
 110
 111
 112 /**
 113  * Displays, what files the user has available in his ownCloud.
 114  *
 115  * @author Bartek Przybylski
 116  * @author David A. Velasco
 117  */
 118
 119 public class FileDisplayActivity extends HookActivity implements
 120 FileFragment.ContainerActivity, OnNavigationListener,
 121 OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 122
 123     private ArrayAdapter<String> mDirectories;
 124
 125     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 126     private UploadFinishReceiver mUploadFinishReceiver;
 127     private DownloadFinishReceiver mDownloadFinishReceiver;
 128     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 129
 130     private boolean mDualPane;
 131     private View mLeftFragmentContainer;
 132     private View mRightFragmentContainer;
 133
 134     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 135     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 136     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 137
 138     public static final int DIALOG_SHORT_WAIT = 0;
 139     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 140     private static final int DIALOG_CERT_NOT_SAVED = 2;
 141
 142     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 143
 144     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 145     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 146     public static final int ACTION_MOVE_FILES = 3;
 147
 148     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 149
 150     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 151     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 152
 153     private OCFile mWaitingToPreview;
 154
 155     private boolean mSyncInProgress = false;
 156
 157     private String DIALOG_UNTRUSTED_CERT;
 158
 159     private OCFile mWaitingToSend;
 160
 161     private static final String URI_TYPE_OF_CONTENT_PROVIDER = "content://";
 162
 163     @Override
 164     protected void onCreate(Bundle savedInstanceState) {
 165         Log_OC.d(TAG, "onCreate() start");
 166         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 167
 168         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 169
 170         // PIN CODE request ;  best location is to decide, let's try this first
 171         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 172             requestPinCode();
 173         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 174             requestPinCode();
 175         }
 176
 177         /// grant that FileObserverService is watching favourite files
 178         if (savedInstanceState == null) {
 179             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 180             startService(initObserversIntent);
 181         }
 182
 183         /// Load of saved instance state
 184         if(savedInstanceState != null) {
 185             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 186             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 187             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 188
 189         } else {
 190             mWaitingToPreview = null;
 191             mSyncInProgress = false;
 192             mWaitingToSend = null;
 193         }
 194
 195         /// USER INTERFACE
 196
 197         // Inflate and set the layout view
 198         setContentView(R.layout.files);
 199         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 200         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 201         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 202         if (savedInstanceState == null) {
 203             createMinFragments();
 204         }
 205
 206         // Action bar setup
 207         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 208         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 209         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 210
 211         setBackgroundText();
 212
 213         Log_OC.d(TAG, "onCreate() end");
 214     }
 215
 216     @Override
 217     protected void onStart() {
 218         super.onStart();
 219         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 220     }
 221
 222     @Override
 223     protected void onDestroy() {
 224         super.onDestroy();
 225     }
 226
 227     /**
 228      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 229      */
 230     @Override
 231     protected void onAccountSet(boolean stateWasRecovered) {
 232         super.onAccountSet(stateWasRecovered);
 233         if (getAccount() != null) {
 234             /// Check whether the 'main' OCFile handled by the Activity is contained in the 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 cache until the upload is successful
 241                     // get parent from path
 242                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 243                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 244                         file = null; // not able to know the directory where the file is uploading
 245                 } else {
 246                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 247                 }
 248             }
 249             if (file == null) {
 250                 // fall back to root folder
 251                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 252             }
 253             setFile(file);
 254             setNavigationListWithFolder(file);
 255
 256             if (!stateWasRecovered) {
 257                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 258                 initFragmentsWithFile();
 259                 if (file.isFolder()) {
 260                     startSyncFolderOperation(file, false);
 261                 }
 262
 263             } else {
 264                 updateFragmentsVisibility(!file.isFolder());
 265                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 266             }
 267         }
 268     }
 269
 270
 271     private void setNavigationListWithFolder(OCFile file) {
 272         mDirectories.clear();
 273         OCFile fileIt = file;
 274         String parentPath;
 275         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 276             if (fileIt.isFolder()) {
 277                 mDirectories.add(fileIt.getFileName());
 278             }
 279             // get parent from path
 280             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 281             fileIt = getStorageManager().getFileByPath(parentPath);
 282         }
 283         mDirectories.add(OCFile.PATH_SEPARATOR);
 284     }
 285
 286
 287     private void createMinFragments() {
 288         OCFileListFragment listOfFiles = new OCFileListFragment();
 289         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 290         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 291         transaction.commit();
 292     }
 293
 294     private void initFragmentsWithFile() {
 295         if (getAccount() != null && getFile() != null) {
 296             /// First fragment
 297             OCFileListFragment listOfFiles = getListOfFilesFragment();
 298             if (listOfFiles != null) {
 299                 listOfFiles.listDirectory(getCurrentDir());
 300             } else {
 301                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 302             }
 303
 304             /// Second fragment
 305             OCFile file = getFile();
 306             Fragment secondFragment = chooseInitialSecondFragment(file);
 307             if (secondFragment != null) {
 308                 setSecondFragment(secondFragment);
 309                 updateFragmentsVisibility(true);
 310                 updateNavigationElementsInActionBar(file);
 311
 312             } else {
 313                 cleanSecondFragment();
 314             }
 315
 316         } else {
 317             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 318             if (getAccount() == null) {
 319                 Log_OC.wtf(TAG, "\t account is NULL");
 320             }
 321             if (getFile() == null) {
 322                 Log_OC.wtf(TAG, "\t file is NULL");
 323             }
 324         }
 325     }
 326
 327     private Fragment chooseInitialSecondFragment(OCFile file) {
 328         Fragment secondFragment = null;
 329         if (file != null && !file.isFolder()) {
 330             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 331                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 332                     ) {
 333                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 334                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 335                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 336
 337             } else {
 338                 secondFragment = new FileDetailFragment(file, getAccount());
 339             }
 340         }
 341         return secondFragment;
 342     }
 343
 344
 345     /**
 346      * Replaces the second fragment managed by the activity with the received as
 347      * a parameter.
 348      *
 349      * Assumes never will be more than two fragments managed at the same time.
 350      *
 351      * @param fragment      New second Fragment to set.
 352      */
 353     private void setSecondFragment(Fragment fragment) {
 354         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 355         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 356         transaction.commit();
 357     }
 358
 359
 360     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 361         if (mDualPane) {
 362             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 363                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 364             }
 365             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 366                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 367             }
 368
 369         } else if (existsSecondFragment) {
 370             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 371                 mLeftFragmentContainer.setVisibility(View.GONE);
 372             }
 373             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 374                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 375             }
 376
 377         } else {
 378             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 379                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 380             }
 381             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 382                 mRightFragmentContainer.setVisibility(View.GONE);
 383             }
 384         }
 385     }
 386
 387
 388     private OCFileListFragment getListOfFilesFragment() {
 389         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 390         if (listOfFiles != null) {
 391             return (OCFileListFragment)listOfFiles;
 392         }
 393         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 394         return null;
 395     }
 396
 397     public FileFragment getSecondFragment() {
 398         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 399         if (second != null) {
 400             return (FileFragment)second;
 401         }
 402         return null;
 403     }
 404
 405     protected void cleanSecondFragment() {
 406         Fragment second = getSecondFragment();
 407         if (second != null) {
 408             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 409             tr.remove(second);
 410             tr.commit();
 411         }
 412         updateFragmentsVisibility(false);
 413         updateNavigationElementsInActionBar(null);
 414     }
 415
 416     protected void refreshListOfFilesFragment() {
 417         OCFileListFragment fileListFragment = getListOfFilesFragment();
 418         if (fileListFragment != null) {
 419             fileListFragment.listDirectory();
 420         }
 421     }
 422
 423     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 424         FileFragment secondFragment = getSecondFragment();
 425         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 426         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 427             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 428             OCFile fileInFragment = detailsFragment.getFile();
 429             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 430                 // the user browsed to other file ; forget the automatic preview
 431                 mWaitingToPreview = null;
 432
 433             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 434                 // grant that the right panel updates the progress bar
 435                 detailsFragment.listenForTransferProgress();
 436                 detailsFragment.updateFileDetails(true, false);
 437
 438             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 439                 //  update the right panel
 440                 boolean detailsFragmentChanged = false;
 441                 if (waitedPreview) {
 442                     if (success) {
 443                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 444                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 445                             startMediaPreview(mWaitingToPreview, 0, true);
 446                             detailsFragmentChanged = true;
 447                         } else {
 448                             getFileOperationsHelper().openFile(mWaitingToPreview);
 449                         }
 450                     }
 451                     mWaitingToPreview = null;
 452                 }
 453                 if (!detailsFragmentChanged) {
 454                     detailsFragment.updateFileDetails(false, (success));
 455                 }
 456             }
 457         }
 458     }
 459
 460     @Override
 461     public boolean onPrepareOptionsMenu(Menu menu) {
 462         if (BuildConfig.DEBUG) {
 463             menu.findItem(R.id.action_logger).setVisible(true);
 464         } else {
 465             menu.findItem(R.id.action_logger).setVisible(false);
 466         }
 467         return super.onPrepareOptionsMenu(menu);
 468     }
 469
 470     @Override
 471     public boolean onCreateOptionsMenu(Menu menu) {
 472         MenuInflater inflater = getSherlock().getMenuInflater();
 473         inflater.inflate(R.menu.main_menu, menu);
 474         return true;
 475     }
 476
 477     @Override
 478     public boolean onOptionsItemSelected(MenuItem item) {
 479         boolean retval = true;
 480         switch (item.getItemId()) {
 481         case R.id.action_create_dir: {
 482             CreateFolderDialogFragment dialog =
 483                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 484             dialog.show(getSupportFragmentManager(), "createdirdialog");
 485             break;
 486         }
 487         case R.id.action_sync_account: {
 488             startSynchronization();
 489             break;
 490         }
 491         case R.id.action_upload: {
 492             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 493             break;
 494         }
 495         case R.id.action_settings: {
 496             Intent settingsIntent = new Intent(this, Preferences.class);
 497             startActivity(settingsIntent);
 498             break;
 499         }
 500         case R.id.action_logger: {
 501             Intent loggerIntent = new Intent(getApplicationContext(),LogHistoryActivity.class);
 502             startActivity(loggerIntent);
 503             break;
 504         }
 505         case android.R.id.home: {
 506             FileFragment second = getSecondFragment();
 507             OCFile currentDir = getCurrentDir();
 508             if((currentDir != null && currentDir.getParentId() != 0) ||
 509                     (second != null && second.getFile() != null)) {
 510                 onBackPressed();
 511
 512             }
 513             break;
 514         }
 515         case R.id.action_sort: {
 516             SharedPreferences appPreferences = PreferenceManager
 517                     .getDefaultSharedPreferences(this);
 518
 519             // Read sorting order, default to sort by name ascending
 520             Integer sortOrder = appPreferences
 521                     .getInt("sortOrder", FileListListAdapter.SORT_NAME);
 522
 523             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 524             builder.setTitle(R.string.actionbar_sort_title)
 525             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 526                 public void onClick(DialogInterface dialog, int which) {
 527
 528                     switch (which){
 529                     case 0:
 530                         sortByName(true);
 531                         break;
 532                     case 1:
 533                         sortByDate(false);
 534                         break;
 535
 536 // TODO re-enable when server-side folder size calculation is available
 537 //                    case 2:
 538 //                        sortBySize(false);
 539 //                        break;
 540                     }
 541
 542                     dialog.dismiss();
 543
 544                 }
 545             });
 546             builder.create().show();
 547             break;
 548         }
 549         default:
 550             retval = super.onOptionsItemSelected(item);
 551         }
 552         return retval;
 553     }
 554
 555     private void startSynchronization() {
 556         Log_OC.e(TAG, "Got to start sync");
 557         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 558             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 559             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 560             Bundle bundle = new Bundle();
 561             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 562             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 563             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 564             ContentResolver.requestSync(
 565                     getAccount(),
 566                     MainApp.getAuthority(), bundle);
 567         } else {
 568             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 569             SyncRequest.Builder builder = new SyncRequest.Builder();
 570             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 571             builder.setExpedited(true);
 572             builder.setManual(true);
 573             builder.syncOnce();
 574             SyncRequest request = builder.build();
 575             ContentResolver.requestSync(request);
 576         }
 577     }
 578
 579
 580     @Override
 581     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 582         if (itemPosition != 0) {
 583             String targetPath = "";
 584             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 585                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 586             }
 587             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 588             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 589             if (targetFolder != null) {
 590                 browseTo(targetFolder);
 591             }
 592
 593             // the next operation triggers a new call to this method, but it's necessary to
 594             // ensure that the name exposed in the action bar is the current directory when the
 595             // user selected it in the navigation list
 596             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 597                 getSupportActionBar().setSelectedNavigationItem(0);
 598         }
 599         return true;
 600     }
 601
 602     /**
 603      * Called, when the user selected something for uploading
 604      */
 605     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 606         super.onActivityResult(requestCode, resultCode, data);
 607
 608         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 609             requestSimpleUpload(data, resultCode);
 610
 611         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 612             requestMultipleUpload(data, resultCode);
 613
 614         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 615                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)){
 616
 617             final Intent fData = data;
 618             final int fResultCode = resultCode;
 619             getHandler().postDelayed(
 620                 new Runnable() {
 621                     @Override
 622                     public void run() {
 623                         requestMoveOperation(fData, fResultCode);
 624                     }
 625                 },
 626                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 627             );
 628         }
 629     }
 630
 631     private void requestMultipleUpload(Intent data, int resultCode) {
 632         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 633         if (filePaths != null) {
 634             String[] remotePaths = new String[filePaths.length];
 635             String remotePathBase = "";
 636             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 637                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 638             }
 639             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 640                 remotePathBase += OCFile.PATH_SEPARATOR;
 641             for (int j = 0; j< remotePaths.length; j++) {
 642                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 643             }
 644
 645             Intent i = new Intent(this, FileUploader.class);
 646             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 647             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 648             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 649             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 650             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 651                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 652             startService(i);
 653
 654         } else {
 655             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 656             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 657             t.show();
 658             return;
 659         }
 660     }
 661
 662
 663     private void requestSimpleUpload(Intent data, int resultCode) {
 664         String filepath = null;
 665         try {
 666             Uri selectedImageUri = data.getData();
 667
 668             String filemanagerstring = selectedImageUri.getPath();
 669             String selectedImagePath = getPath(selectedImageUri);
 670
 671             if (selectedImagePath != null)
 672                 filepath = selectedImagePath;
 673             else
 674                 filepath = filemanagerstring;
 675
 676         } catch (Exception e) {
 677             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 678             e.printStackTrace();
 679
 680         } finally {
 681             if (filepath == null) {
 682                 Log_OC.e(TAG, "Couldnt resolve path to file");
 683                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 684                 t.show();
 685                 return;
 686             }
 687         }
 688
 689         Intent i = new Intent(this, FileUploader.class);
 690         i.putExtra(FileUploader.KEY_ACCOUNT,
 691                 getAccount());
 692         String remotepath = new String();
 693         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 694             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 695         }
 696         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 697             remotepath += OCFile.PATH_SEPARATOR;
 698
 699         if (filepath.startsWith(URI_TYPE_OF_CONTENT_PROVIDER)) {
 700             // The query, since it only applies to a single document, will only return
 701             // one row.
 702             Cursor cursor = MainApp.getAppContext().getContentResolver()
 703                     .query(Uri.parse(filepath), null, null, null, null, null);
 704
 705             try {
 706                 if (cursor != null && cursor.moveToFirst()) {
 707                     String displayName = cursor.getString(
 708                             cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
 709                     Log.i(TAG, "Display Name: " + displayName);
 710
 711                     remotepath += displayName;
 712                 }
 713             } finally {
 714                 cursor.close();
 715             }
 716
 717         } else {
 718             remotepath += new File(filepath).getName();
 719         }
 720
 721         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 722         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 723         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 724         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 725             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 726         startService(i);
 727     }
 728
 729     /**
 730      * Request the operation for moving the file/folder from one path to another
 731      *
 732      * @param data              Intent received
 733      * @param resultCode        Result code received
 734      */
 735     private void requestMoveOperation(Intent data, int resultCode) {
 736         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 737         OCFile targetFile = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_TARGET_FILE);
 738         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 739     }
 740
 741     @Override
 742     public void onBackPressed() {
 743         OCFileListFragment listOfFiles = getListOfFilesFragment();
 744         if (mDualPane || getSecondFragment() == null) {
 745             if (listOfFiles != null) {  // should never be null, indeed
 746                 if (mDirectories.getCount() <= 1) {
 747                     finish();
 748                     return;
 749                 }
 750                 int levelsUp = listOfFiles.onBrowseUp();
 751                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 752                     popDirname();
 753                 }
 754             }
 755         }
 756         if (listOfFiles != null) {  // should never be null, indeed
 757             setFile(listOfFiles.getCurrentFile());
 758         }
 759         cleanSecondFragment();
 760
 761     }
 762
 763     @Override
 764     protected void onSaveInstanceState(Bundle outState) {
 765         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 766         Log_OC.e(TAG, "onSaveInstanceState() start");
 767         super.onSaveInstanceState(outState);
 768         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 769         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 770         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 771         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 772
 773         Log_OC.d(TAG, "onSaveInstanceState() end");
 774     }
 775
 776
 777
 778     @Override
 779     protected void onResume() {
 780         super.onResume();
 781         Log_OC.e(TAG, "onResume() start");
 782
 783         // refresh list of files
 784         refreshListOfFilesFragment();
 785
 786         // Listen for sync messages
 787         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 788         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 789         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 790         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 791         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 792         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 793         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 794         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 795
 796         // Listen for upload messages
 797         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 798         mUploadFinishReceiver = new UploadFinishReceiver();
 799         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 800
 801         // Listen for download messages
 802         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 803         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 804         mDownloadFinishReceiver = new DownloadFinishReceiver();
 805         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 806
 807         Log_OC.d(TAG, "onResume() end");
 808     }
 809
 810
 811     @Override
 812     protected void onPause() {
 813         Log_OC.e(TAG, "onPause() start");
 814         if (mSyncBroadcastReceiver != null) {
 815             unregisterReceiver(mSyncBroadcastReceiver);
 816             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 817             mSyncBroadcastReceiver = null;
 818         }
 819         if (mUploadFinishReceiver != null) {
 820             unregisterReceiver(mUploadFinishReceiver);
 821             mUploadFinishReceiver = null;
 822         }
 823         if (mDownloadFinishReceiver != null) {
 824             unregisterReceiver(mDownloadFinishReceiver);
 825             mDownloadFinishReceiver = null;
 826         }
 827
 828
 829         Log_OC.d(TAG, "onPause() end");
 830         super.onPause();
 831     }
 832
 833
 834     @Override
 835     protected Dialog onCreateDialog(int id) {
 836         Dialog dialog = null;
 837         AlertDialog.Builder builder;
 838         switch (id) {
 839         case DIALOG_SHORT_WAIT: {
 840             ProgressDialog working_dialog = new ProgressDialog(this);
 841             working_dialog.setMessage(getResources().getString(
 842                     R.string.wait_a_moment));
 843             working_dialog.setIndeterminate(true);
 844             working_dialog.setCancelable(false);
 845             dialog = working_dialog;
 846             break;
 847         }
 848         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 849
 850
 851             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 852                     getString(R.string.actionbar_upload_from_apps) };
 853
 854             builder = new AlertDialog.Builder(this);
 855             builder.setTitle(R.string.actionbar_upload);
 856             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 857                 public void onClick(DialogInterface dialog, int item) {
 858                     if (item == 0) {
 859                         // if (!mDualPane) {
 860                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 861                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 862                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 863                             // } else {
 864                             // TODO create and handle new fragment
 865                             // LocalFileListFragment
 866                             // }
 867                     } else if (item == 1) {
 868                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 869                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 870                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 871                                 ACTION_SELECT_CONTENT_FROM_APPS);
 872                     }
 873                 }
 874             });
 875             dialog = builder.create();
 876             break;
 877         }
 878         case DIALOG_CERT_NOT_SAVED: {
 879             builder = new AlertDialog.Builder(this);
 880             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 881             builder.setCancelable(false);
 882             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 883                 @Override
 884                 public void onClick(DialogInterface dialog, int which) {
 885                     dialog.dismiss();
 886                 };
 887             });
 888             dialog = builder.create();
 889             break;
 890         }
 891         default:
 892             dialog = null;
 893         }
 894
 895         return dialog;
 896     }
 897
 898     /**
 899      * Translates a content URI of an content to a physical path on the disk
 900      *
 901      * @param uri The URI to resolve
 902      * @return The path to the content or null if it could not be found
 903      */
 904     public String getPath(Uri uri) {
 905         final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
 906
 907         // DocumentProvider
 908         if (isKitKat && DocumentsContract.isDocumentUri(getApplicationContext(), uri)) {
 909             // ExternalStorageProvider
 910             if (isExternalStorageDocument(uri)) {
 911                 final String docId = DocumentsContract.getDocumentId(uri);
 912                 final String[] split = docId.split(":");
 913                 final String type = split[0];
 914
 915                 if ("primary".equalsIgnoreCase(type)) {
 916                     return Environment.getExternalStorageDirectory() + "/" + split[1];
 917                 }
 918             }
 919             // DownloadsProvider
 920             else if (isDownloadsDocument(uri)) {
 921
 922                 final String id = DocumentsContract.getDocumentId(uri);
 923                 final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
 924                         Long.valueOf(id));
 925
 926                 return getDataColumn(getApplicationContext(), contentUri, null, null);
 927             }
 928             // MediaProvider
 929             else if (isMediaDocument(uri)) {
 930                 final String docId = DocumentsContract.getDocumentId(uri);
 931                 final String[] split = docId.split(":");
 932                 final String type = split[0];
 933
 934                 Uri contentUri = null;
 935                 if ("image".equals(type)) {
 936                     contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
 937                 } else if ("video".equals(type)) {
 938                     contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
 939                 } else if ("audio".equals(type)) {
 940                     contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
 941                 }
 942
 943                 final String selection = "_id=?";
 944                 final String[] selectionArgs = new String[] { split[1] };
 945
 946                 return getDataColumn(getApplicationContext(), contentUri, selection, selectionArgs);
 947             }
 948             // Documents providers returned as content://...
 949             else if (isContentDocument(uri)) {
 950                 return uri.toString();
 951             }
 952         }
 953         // MediaStore (and general)
 954         else if ("content".equalsIgnoreCase(uri.getScheme())) {
 955
 956             // Return the remote address
 957             if (isGooglePhotosUri(uri))
 958                 return uri.getLastPathSegment();
 959
 960             return getDataColumn(getApplicationContext(), uri, null, null);
 961         }
 962         // File
 963         else if ("file".equalsIgnoreCase(uri.getScheme())) {
 964             return uri.getPath();
 965         }
 966         return null;
 967     }
 968
 969     /**
 970      * Get the value of the data column for this Uri. This is useful for
 971      * MediaStore Uris, and other file-based ContentProviders.
 972      *
 973      * @param context The context.
 974      * @param uri The Uri to query.
 975      * @param selection (Optional) Filter used in the query.
 976      * @param selectionArgs (Optional) Selection arguments used in the query.
 977      * @return The value of the _data column, which is typically a file path.
 978      */
 979     public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
 980
 981         Cursor cursor = null;
 982         final String column = "_data";
 983         final String[] projection = { column };
 984
 985         try {
 986             cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
 987             if (cursor != null && cursor.moveToFirst()) {
 988
 989                 final int column_index = cursor.getColumnIndexOrThrow(column);
 990                 return cursor.getString(column_index);
 991             }
 992         } finally {
 993             if (cursor != null)
 994                 cursor.close();
 995         }
 996         return null;
 997     }
 998
 999     /**
1000      * @param uri The Uri to check.
1001      * @return Whether the Uri authority is ExternalStorageProvider.
1002      */
1003     public static boolean isExternalStorageDocument(Uri uri) {
1004         return "com.android.externalstorage.documents".equals(uri.getAuthority());
1005     }
1006
1007     /**
1008      * @param uri The Uri to check.
1009      * @return Whether the Uri authority is DownloadsProvider.
1010      */
1011     public static boolean isDownloadsDocument(Uri uri) {
1012         return "com.android.providers.downloads.documents".equals(uri.getAuthority());
1013     }
1014
1015     /**
1016      * @param uri The Uri to check.
1017      * @return Whether the Uri authority is MediaProvider.
1018      */
1019     public static boolean isMediaDocument(Uri uri) {
1020         return "com.android.providers.media.documents".equals(uri.getAuthority());
1021     }
1022
1023     /**
1024      * @param uri The Uri to check.
1025      * @return Whether the Uri authority is Google Photos.
1026      */
1027     public static boolean isGooglePhotosUri(Uri uri) {
1028         return "com.google.android.apps.photos.content".equals(uri.getAuthority());
1029     }
1030
1031     /**
1032      *
1033      * @param uri The Uri to check.
1034      * @return Whether the Uri is from a content provider as kind "content://..."
1035      */
1036     public static boolean isContentDocument(Uri uri) {
1037         return uri.toString().startsWith(URI_TYPE_OF_CONTENT_PROVIDER);
1038     }
1039
1040     /**
1041      * Pushes a directory to the drop down list
1042      * @param directory to push
1043      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
1044      */
1045     public void pushDirname(OCFile directory) {
1046         if(!directory.isFolder()){
1047             throw new IllegalArgumentException("Only directories may be pushed!");
1048         }
1049         mDirectories.insert(directory.getFileName(), 0);
1050         setFile(directory);
1051     }
1052
1053     /**
1054      * Pops a directory name from the drop down list
1055      * @return True, unless the stack is empty
1056      */
1057     public boolean popDirname() {
1058         mDirectories.remove(mDirectories.getItem(0));
1059         return !mDirectories.isEmpty();
1060     }
1061
1062     // Custom array adapter to override text colors
1063     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
1064
1065         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
1066             super(ctx, view);
1067         }
1068
1069         public View getView(int position, View convertView, ViewGroup parent) {
1070             View v = super.getView(position, convertView, parent);
1071
1072             ((TextView) v).setTextColor(getResources().getColorStateList(
1073                     android.R.color.white));
1074
1075             fixRoot((TextView) v );
1076             return v;
1077         }
1078
1079         public View getDropDownView(int position, View convertView,
1080                 ViewGroup parent) {
1081             View v = super.getDropDownView(position, convertView, parent);
1082
1083             ((TextView) v).setTextColor(getResources().getColorStateList(
1084                     android.R.color.white));
1085
1086             fixRoot((TextView) v );
1087             return v;
1088         }
1089
1090         private void fixRoot(TextView v) {
1091             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
1092                 v.setText(R.string.default_display_name_for_root_folder);
1093             }
1094         }
1095
1096     }
1097
1098     private class SyncBroadcastReceiver extends BroadcastReceiver {
1099
1100         /**
1101          * {@link BroadcastReceiver} to enable syncing feedback in UI
1102          */
1103         @Override
1104         public void onReceive(Context context, Intent intent) {
1105             try {
1106                 String event = intent.getAction();
1107                 Log_OC.d(TAG, "Received broadcast " + event);
1108                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
1109                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
1110                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
1111                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
1112
1113                 if (sameAccount) {
1114
1115                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
1116                         mSyncInProgress = true;
1117
1118                     } else {
1119                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
1120                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1121
1122                         if (currentDir == null) {
1123                             // current folder was removed from the server
1124                             Toast.makeText( FileDisplayActivity.this,
1125                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
1126                                             Toast.LENGTH_LONG)
1127                                 .show();
1128                             browseToRoot();
1129
1130                         } else {
1131                             if (currentFile == null && !getFile().isFolder()) {
1132                                 // currently selected file was removed in the server, and now we know it
1133                                 cleanSecondFragment();
1134                                 currentFile = currentDir;
1135                             }
1136
1137                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1138                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1139                                 if (fileListFragment != null) {
1140                                     fileListFragment.listDirectory(currentDir);
1141                                 }
1142                             }
1143                             setFile(currentFile);
1144                         }
1145
1146                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1147
1148                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1149                                     equals(event) &&
1150                                 /// TODO refactor and make common
1151                                 synchResult != null && !synchResult.isSuccess() &&
1152                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1153                                     synchResult.isIdPRedirection()                  ||
1154                                     (synchResult.isException() && synchResult.getException()
1155                                             instanceof AuthenticatorException))) {
1156
1157                             OwnCloudClient client = null;
1158                             try {
1159                                 OwnCloudAccount ocAccount =
1160                                         new OwnCloudAccount(getAccount(), context);
1161                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1162                                         removeClientFor(ocAccount));
1163                                 // TODO get rid of these exceptions
1164                             } catch (AccountNotFoundException e) {
1165                                 e.printStackTrace();
1166                             } catch (AuthenticatorException e) {
1167                                 e.printStackTrace();
1168                             } catch (OperationCanceledException e) {
1169                                 e.printStackTrace();
1170                             } catch (IOException e) {
1171                                 e.printStackTrace();
1172                             }
1173
1174                             if (client != null) {
1175                                 OwnCloudCredentials cred = client.getCredentials();
1176                                 if (cred != null) {
1177                                     AccountManager am = AccountManager.get(context);
1178                                     if (cred.authTokenExpires()) {
1179                                         am.invalidateAuthToken(
1180                                                 getAccount().type,
1181                                                 cred.getAuthToken()
1182                                         );
1183                                     } else {
1184                                         am.clearPassword(getAccount());
1185                                     }
1186                                 }
1187                             }
1188
1189                             requestCredentialsUpdate();
1190
1191                         }
1192                     }
1193                     removeStickyBroadcast(intent);
1194                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1195                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1196
1197                     setBackgroundText();
1198
1199                 }
1200
1201                 if (synchResult != null) {
1202                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1203                         mLastSslUntrustedServerResult = synchResult;
1204                     }
1205                 }
1206             } catch (RuntimeException e) {
1207                 // avoid app crashes after changing the serial id of RemoteOperationResult
1208                 // in owncloud library with broadcast notifications pending to process
1209                 removeStickyBroadcast(intent);
1210             }
1211         }
1212     }
1213
1214     /**
1215      * Show a text message on screen view for notifying user if content is
1216      * loading or folder is empty
1217      */
1218     private void setBackgroundText() {
1219         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1220         if (ocFileListFragment != null) {
1221             int message = R.string.file_list_loading;
1222             if (!mSyncInProgress) {
1223                 // In case file list is empty
1224                 message = R.string.file_list_empty;
1225             }
1226             ocFileListFragment.setMessageForEmptyList(getString(message));
1227         } else {
1228             Log_OC.e(TAG, "OCFileListFragment is null");
1229         }
1230     }
1231
1232     /**
1233      * Once the file upload has finished -> update view
1234      */
1235     private class UploadFinishReceiver extends BroadcastReceiver {
1236         /**
1237          * Once the file upload has finished -> update view
1238          *  @author David A. Velasco
1239          * {@link BroadcastReceiver} to enable upload feedback in UI
1240          */
1241         @Override
1242         public void onReceive(Context context, Intent intent) {
1243             try {
1244                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1245                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1246                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1247                 OCFile currentDir = getCurrentDir();
1248                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1249                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1250
1251                 if (sameAccount && isDescendant) {
1252                     refreshListOfFilesFragment();
1253                 }
1254
1255                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1256                 boolean renamedInUpload = getFile().getRemotePath().
1257                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1258                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1259                         renamedInUpload;
1260                 FileFragment details = getSecondFragment();
1261                 boolean detailFragmentIsShown = (details != null &&
1262                         details instanceof FileDetailFragment);
1263
1264                 if (sameAccount && sameFile && detailFragmentIsShown) {
1265                     if (uploadWasFine) {
1266                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1267                     }
1268                     if (renamedInUpload) {
1269                         String newName = (new File(uploadedRemotePath)).getName();
1270                         Toast msg = Toast.makeText(
1271                                 context,
1272                                 String.format(
1273                                         getString(R.string.filedetails_renamed_in_upload_msg),
1274                                         newName),
1275                                 Toast.LENGTH_LONG);
1276                         msg.show();
1277                     }
1278                     if (uploadWasFine || getFile().fileExists()) {
1279                         ((FileDetailFragment)details).updateFileDetails(false, true);
1280                     } else {
1281                         cleanSecondFragment();
1282                     }
1283
1284                     // Force the preview if the file is an image
1285                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1286                         startImagePreview(getFile());
1287                     } // TODO what about other kind of previews?
1288                 }
1289
1290             } finally {
1291                 if (intent != null) {
1292                     removeStickyBroadcast(intent);
1293                 }
1294             }
1295
1296         }
1297
1298     }
1299
1300
1301     /**
1302      * Class waiting for broadcast events from the {@link FielDownloader} service.
1303      *
1304      * Updates the UI when a download is started or finished, provided that it is relevant for the
1305      * current folder.
1306      */
1307     private class DownloadFinishReceiver extends BroadcastReceiver {
1308         @Override
1309         public void onReceive(Context context, Intent intent) {
1310             try {
1311                 boolean sameAccount = isSameAccount(context, intent);
1312                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1313                 boolean isDescendant = isDescendant(downloadedRemotePath);
1314
1315                 if (sameAccount && isDescendant) {
1316                     refreshListOfFilesFragment();
1317                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1318                 }
1319
1320                 if (mWaitingToSend != null) {
1321                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1322                     if (mWaitingToSend.isDown()) {
1323                         sendDownloadedFile();
1324                     }
1325                 }
1326
1327             } finally {
1328                 if (intent != null) {
1329                     removeStickyBroadcast(intent);
1330                 }
1331             }
1332         }
1333
1334         private boolean isDescendant(String downloadedRemotePath) {
1335             OCFile currentDir = getCurrentDir();
1336             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1337         }
1338
1339         private boolean isSameAccount(Context context, Intent intent) {
1340             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1341             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1342         }
1343     }
1344
1345
1346     public void browseToRoot() {
1347         OCFileListFragment listOfFiles = getListOfFilesFragment();
1348         if (listOfFiles != null) {  // should never be null, indeed
1349             while (mDirectories.getCount() > 1) {
1350                 popDirname();
1351             }
1352             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1353             listOfFiles.listDirectory(root);
1354             setFile(listOfFiles.getCurrentFile());
1355             startSyncFolderOperation(root, false);
1356         }
1357         cleanSecondFragment();
1358     }
1359
1360
1361     public void browseTo(OCFile folder) {
1362         if (folder == null || !folder.isFolder()) {
1363             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1364         }
1365         OCFileListFragment listOfFiles = getListOfFilesFragment();
1366         if (listOfFiles != null) {
1367             setNavigationListWithFolder(folder);
1368             listOfFiles.listDirectory(folder);
1369             setFile(listOfFiles.getCurrentFile());
1370             startSyncFolderOperation(folder, false);
1371         } else {
1372             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1373         }
1374         cleanSecondFragment();
1375     }
1376
1377
1378     /**
1379      * {@inheritDoc}
1380      *
1381      * Updates action bar and second fragment, if in dual pane mode.
1382      */
1383     @Override
1384     public void onBrowsedDownTo(OCFile directory) {
1385         pushDirname(directory);
1386         cleanSecondFragment();
1387
1388         // Sync Folder
1389         startSyncFolderOperation(directory, false);
1390
1391     }
1392
1393     /**
1394      * Shows the information of the {@link OCFile} received as a
1395      * parameter in the second fragment.
1396      *
1397      * @param file          {@link OCFile} whose details will be shown
1398      */
1399     @Override
1400     public void showDetails(OCFile file) {
1401         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1402         setSecondFragment(detailFragment);
1403         updateFragmentsVisibility(true);
1404         updateNavigationElementsInActionBar(file);
1405         setFile(file);
1406     }
1407
1408
1409     /**
1410      * TODO
1411      */
1412     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1413         ActionBar actionBar = getSupportActionBar();
1414         if (chosenFile == null || mDualPane) {
1415             // only list of files - set for browsing through folders
1416             OCFile currentDir = getCurrentDir();
1417             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1418             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1419             actionBar.setDisplayShowTitleEnabled(!noRoot);
1420             if (!noRoot) {
1421                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1422             }
1423             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1424             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1425
1426         } else {
1427             actionBar.setDisplayHomeAsUpEnabled(true);
1428             actionBar.setDisplayShowTitleEnabled(true);
1429             actionBar.setTitle(chosenFile.getFileName());
1430             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1431         }
1432     }
1433
1434
1435     @Override
1436     protected ServiceConnection newTransferenceServiceConnection() {
1437         return new ListServiceConnection();
1438     }
1439
1440     /** Defines callbacks for service binding, passed to bindService() */
1441     private class ListServiceConnection implements ServiceConnection {
1442
1443         @Override
1444         public void onServiceConnected(ComponentName component, IBinder service) {
1445             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1446                 Log_OC.d(TAG, "Download service connected");
1447                 mDownloaderBinder = (FileDownloaderBinder) service;
1448                 if (mWaitingToPreview != null)
1449                     if (getStorageManager() != null) {
1450                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1451                         if (!mWaitingToPreview.isDown()) {
1452                             requestForDownload();
1453                         }
1454                 }
1455
1456             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1457                 Log_OC.d(TAG, "Upload service connected");
1458                 mUploaderBinder = (FileUploaderBinder) service;
1459             } else {
1460                 return;
1461             }
1462             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1463             OCFileListFragment listOfFiles = getListOfFilesFragment();
1464             if (listOfFiles != null) {
1465                 listOfFiles.listDirectory();
1466             }
1467             FileFragment secondFragment = getSecondFragment();
1468             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1469                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1470                 detailFragment.listenForTransferProgress();
1471                 detailFragment.updateFileDetails(false, false);
1472             }
1473         }
1474
1475         @Override
1476         public void onServiceDisconnected(ComponentName component) {
1477             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1478                 Log_OC.d(TAG, "Download service disconnected");
1479                 mDownloaderBinder = null;
1480             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1481                 Log_OC.d(TAG, "Upload service disconnected");
1482                 mUploaderBinder = null;
1483             }
1484         }
1485     };
1486
1487
1488
1489     /**
1490      * Launch an intent to request the PIN code to the user before letting him use the app
1491      */
1492     private void requestPinCode() {
1493         boolean pinStart = false;
1494         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1495         pinStart = appPrefs.getBoolean("set_pincode", false);
1496         if (pinStart) {
1497             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1498             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1499             startActivity(i);
1500         }
1501     }
1502
1503
1504     @Override
1505     public void onSavedCertificate() {
1506         startSyncFolderOperation(getCurrentDir(), false);
1507     }
1508
1509
1510     @Override
1511     public void onFailedSavingCertificate() {
1512         showDialog(DIALOG_CERT_NOT_SAVED);
1513     }
1514
1515     @Override
1516     public void onCancelCertificate() {
1517         // nothing to do
1518     }
1519
1520     /**
1521      * Updates the view associated to the activity after the finish of some operation over files
1522      * in the current account.
1523      *
1524      * @param operation     Removal operation performed.
1525      * @param result        Result of the removal.
1526      */
1527     @Override
1528     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1529         super.onRemoteOperationFinish(operation, result);
1530
1531         if (operation instanceof RemoveFileOperation) {
1532             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1533
1534         } else if (operation instanceof RenameFileOperation) {
1535             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1536
1537         } else if (operation instanceof SynchronizeFileOperation) {
1538             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1539
1540         } else if (operation instanceof CreateFolderOperation) {
1541             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1542
1543         } else if (operation instanceof CreateShareOperation) {
1544             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1545
1546         } else if (operation instanceof UnshareLinkOperation) {
1547             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1548
1549         } else if (operation instanceof MoveFileOperation) {
1550             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1551         }
1552
1553     }
1554
1555
1556     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1557         if (result.isSuccess()) {
1558             refreshShowDetails();
1559             refreshListOfFilesFragment();
1560         }
1561     }
1562
1563
1564     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1565         if (result.isSuccess()) {
1566             refreshShowDetails();
1567             refreshListOfFilesFragment();
1568
1569         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1570             cleanSecondFragment();
1571             refreshListOfFilesFragment();
1572         }
1573     }
1574
1575     private void refreshShowDetails() {
1576         FileFragment details = getSecondFragment();
1577         if (details != null) {
1578             OCFile file = details.getFile();
1579             if (file != null) {
1580                 file = getStorageManager().getFileByPath(file.getRemotePath());
1581                 if (details instanceof PreviewMediaFragment) {
1582                     // Refresh  OCFile of the fragment
1583                     ((PreviewMediaFragment) details).updateFile(file);
1584                 } else {
1585                     showDetails(file);
1586                 }
1587             }
1588             invalidateOptionsMenu();
1589         }
1590     }
1591
1592     /**
1593      * Updates the view associated to the activity after the finish of an operation trying to remove a
1594      * file.
1595      *
1596      * @param operation     Removal operation performed.
1597      * @param result        Result of the removal.
1598      */
1599     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1600         dismissLoadingDialog();
1601
1602         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1603                 Toast.LENGTH_LONG);
1604         msg.show();
1605
1606         if (result.isSuccess()) {
1607             OCFile removedFile = operation.getFile();
1608             FileFragment second = getSecondFragment();
1609             if (second != null && removedFile.equals(second.getFile())) {
1610                 if (second instanceof PreviewMediaFragment) {
1611                     ((PreviewMediaFragment)second).stopPreview(true);
1612                 }
1613                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1614                 cleanSecondFragment();
1615             }
1616             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1617                 refreshListOfFilesFragment();
1618             }
1619             invalidateOptionsMenu();
1620         } else {
1621             if (result.isSslRecoverableException()) {
1622                 mLastSslUntrustedServerResult = result;
1623                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1624             }
1625         }
1626     }
1627
1628
1629     /**
1630      * Updates the view associated to the activity after the finish of an operation trying to move a
1631      * file.
1632      *
1633      * @param operation     Move operation performed.
1634      * @param result        Result of the move operation.
1635      */
1636     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1637         if (result.isSuccess()) {
1638             dismissLoadingDialog();
1639             refreshListOfFilesFragment();
1640         } else {
1641             dismissLoadingDialog();
1642             try {
1643                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1644                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1645                         Toast.LENGTH_LONG);
1646                 msg.show();
1647
1648             } catch (NotFoundException e) {
1649                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1650             }
1651         }
1652     }
1653
1654
1655     /**
1656      * Updates the view associated to the activity after the finish of an operation trying to rename a
1657      * file.
1658      *
1659      * @param operation     Renaming operation performed.
1660      * @param result        Result of the renaming.
1661      */
1662     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1663         dismissLoadingDialog();
1664         OCFile renamedFile = operation.getFile();
1665         if (result.isSuccess()) {
1666             FileFragment details = getSecondFragment();
1667             if (details != null) {
1668                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1669                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1670                     showDetails(renamedFile);
1671
1672                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1673                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1674                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1675                         int position = ((PreviewMediaFragment)details).getPosition();
1676                         startMediaPreview(renamedFile, position, true);
1677                     } else {
1678                         getFileOperationsHelper().openFile(renamedFile);
1679                     }
1680                 }
1681             }
1682
1683             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1684                 refreshListOfFilesFragment();
1685             }
1686
1687         } else {
1688             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1689                     Toast.LENGTH_LONG);
1690             msg.show();
1691
1692             if (result.isSslRecoverableException()) {
1693                 mLastSslUntrustedServerResult = result;
1694                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1695             }
1696         }
1697     }
1698
1699     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1700         dismissLoadingDialog();
1701         OCFile syncedFile = operation.getLocalFile();
1702         if (!result.isSuccess()) {
1703             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1704                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1705                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1706                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1707                 startActivity(i);
1708
1709             }
1710
1711         } else {
1712             if (operation.transferWasRequested()) {
1713                 onTransferStateChanged(syncedFile, true, true);
1714
1715             } else {
1716                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1717                         Toast.LENGTH_LONG);
1718                 msg.show();
1719             }
1720         }
1721     }
1722
1723     /**
1724      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1725      *
1726      * @param operation     Creation operation performed.
1727      * @param result        Result of the creation.
1728      */
1729     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1730         if (result.isSuccess()) {
1731             dismissLoadingDialog();
1732             refreshListOfFilesFragment();
1733         } else {
1734             dismissLoadingDialog();
1735             try {
1736                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1737                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1738                         Toast.LENGTH_LONG);
1739                 msg.show();
1740
1741             } catch (NotFoundException e) {
1742                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1743             }
1744         }
1745     }
1746
1747
1748     /**
1749      * {@inheritDoc}
1750      */
1751     @Override
1752     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1753         refreshListOfFilesFragment();
1754         FileFragment details = getSecondFragment();
1755         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1756             if (downloading || uploading) {
1757                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1758             } else {
1759                 if (!file.fileExists()) {
1760                     cleanSecondFragment();
1761                 } else {
1762                     ((FileDetailFragment)details).updateFileDetails(false, true);
1763                 }
1764             }
1765         }
1766
1767     }
1768
1769
1770     private void requestForDownload() {
1771         Account account = getAccount();
1772         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1773             Intent i = new Intent(this, FileDownloader.class);
1774             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1775             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1776             startService(i);
1777         }
1778     }
1779
1780
1781     private OCFile getCurrentDir() {
1782         OCFile file = getFile();
1783         if (file != null) {
1784             if (file.isFolder()) {
1785                 return file;
1786             } else if (getStorageManager() != null) {
1787                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1788                 return getStorageManager().getFileByPath(parentPath);
1789             }
1790         }
1791         return null;
1792     }
1793
1794     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1795         long currentSyncTime = System.currentTimeMillis();
1796
1797         mSyncInProgress = true;
1798
1799         // perform folder synchronization
1800         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1801                                                                         currentSyncTime,
1802                                                                         false,
1803                                                                         getFileOperationsHelper().isSharedSupported(),
1804                                                                         ignoreETag,
1805                                                                         getStorageManager(),
1806                                                                         getAccount(),
1807                                                                         getApplicationContext()
1808                                                                       );
1809         synchFolderOp.execute(getAccount(), this, null, null);
1810
1811         setSupportProgressBarIndeterminateVisibility(true);
1812
1813         setBackgroundText();
1814     }
1815
1816     /**
1817      * Show untrusted cert dialog
1818      */
1819     public void showUntrustedCertDialog(RemoteOperationResult result) {
1820         // Show a dialog with the certificate info
1821         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1822         FragmentManager fm = getSupportFragmentManager();
1823         FragmentTransaction ft = fm.beginTransaction();
1824         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1825     }
1826
1827     private void requestForDownload(OCFile file) {
1828         Account account = getAccount();
1829         if (!mDownloaderBinder.isDownloading(account, file)) {
1830             Intent i = new Intent(this, FileDownloader.class);
1831             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1832             i.putExtra(FileDownloader.EXTRA_FILE, file);
1833             startService(i);
1834         }
1835     }
1836
1837     private void sendDownloadedFile(){
1838         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1839         mWaitingToSend = null;
1840     }
1841
1842
1843     /**
1844      * Requests the download of the received {@link OCFile} , updates the UI
1845      * to monitor the download progress and prepares the activity to send the file
1846      * when the download finishes.
1847      *
1848      * @param file          {@link OCFile} to download and preview.
1849      */
1850     public void startDownloadForSending(OCFile file) {
1851         mWaitingToSend = file;
1852         requestForDownload(mWaitingToSend);
1853         boolean hasSecondFragment = (getSecondFragment()!= null);
1854         updateFragmentsVisibility(hasSecondFragment);
1855     }
1856
1857     /**
1858      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1859      *
1860      * @param file                      Image {@link OCFile} to show.
1861      */
1862     public void startImagePreview(OCFile file) {
1863         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1864         showDetailsIntent.putExtra(EXTRA_FILE, file);
1865         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1866         startActivity(showDetailsIntent);
1867
1868     }
1869
1870     /**
1871      * Stars the preview of an already down media {@link OCFile}.
1872      *
1873      * @param file                      Media {@link OCFile} to preview.
1874      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1875      * @param autoplay                  When 'true', the playback will start without user interactions.
1876      */
1877     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1878         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1879         setSecondFragment(mediaFragment);
1880         updateFragmentsVisibility(true);
1881         updateNavigationElementsInActionBar(file);
1882         setFile(file);
1883     }
1884
1885     /**
1886      * Requests the download of the received {@link OCFile} , updates the UI
1887      * to monitor the download progress and prepares the activity to preview
1888      * or open the file when the download finishes.
1889      *
1890      * @param file          {@link OCFile} to download and preview.
1891      */
1892     public void startDownloadForPreview(OCFile file) {
1893         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1894         setSecondFragment(detailFragment);
1895         mWaitingToPreview = file;
1896         requestForDownload();
1897         updateFragmentsVisibility(true);
1898         updateNavigationElementsInActionBar(file);
1899         setFile(file);
1900     }
1901
1902
1903     public void cancelTransference(OCFile file) {
1904         getFileOperationsHelper().cancelTransference(file);
1905         if (mWaitingToPreview != null &&
1906                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1907             mWaitingToPreview = null;
1908         }
1909         if (mWaitingToSend != null &&
1910                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1911             mWaitingToSend = null;
1912         }
1913         onTransferStateChanged(file, false, false);
1914     }
1915
1916     @Override
1917     public void onRefresh(boolean ignoreETag) {
1918         refreshList(ignoreETag);
1919     }
1920
1921     @Override
1922     public void onRefresh() {
1923         refreshList(true);
1924     }
1925
1926     private void refreshList(boolean ignoreETag) {
1927         OCFileListFragment listOfFiles = getListOfFilesFragment();
1928         if (listOfFiles != null) {
1929             OCFile folder = listOfFiles.getCurrentFile();
1930             if (folder != null) {
1931                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1932                 listDirectory(mFile);*/
1933                 startSyncFolderOperation(folder, ignoreETag);
1934             }
1935         }
1936     }
1937
1938     private void sortByDate(boolean ascending){
1939         getListOfFilesFragment().sortByDate(ascending);
1940     }
1941
1942     private void sortBySize(boolean ascending){
1943         getListOfFilesFragment().sortBySize(ascending);
1944     }
1945
1946     private void sortByName(boolean ascending){
1947         getListOfFilesFragment().sortByName(ascending);
1948     }
1949 }