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 java.io.File;
  26
  27 import android.accounts.Account;
  28 import android.accounts.AccountManager;
  29 import android.accounts.AuthenticatorException;
  30 import android.accounts.OperationCanceledException;
  31 import android.annotation.TargetApi;
  32 import android.app.AlertDialog;
  33 import android.content.BroadcastReceiver;
  34 import android.content.ComponentName;
  35 import android.content.ContentResolver;
  36 import android.content.Context;
  37 import android.content.DialogInterface;
  38 import android.content.Intent;
  39 import android.content.IntentFilter;
  40 import android.content.ServiceConnection;
  41 import android.content.SharedPreferences;
  42 import android.content.SyncRequest;
  43 import android.content.res.Configuration;
  44 import android.content.res.Resources.NotFoundException;
  45 import android.database.Cursor;
  46 import android.net.Uri;
  47 import android.os.Build;
  48 import android.os.Bundle;
  49 import android.os.IBinder;
  50 import android.preference.PreferenceManager;
  51 import android.provider.OpenableColumns;
  52 import android.support.v4.app.ActionBarDrawerToggle;
  53 import android.support.v4.app.Fragment;
  54 import android.support.v4.app.FragmentManager;
  55 import android.support.v4.app.FragmentTransaction;
  56 import android.support.v4.view.GravityCompat;
  57 import android.support.v4.widget.DrawerLayout;
  58 import android.util.Log;
  59 import android.view.View;
  60 import android.view.ViewGroup;
  61 import android.widget.AdapterView;
  62 import android.widget.AdapterView.OnItemClickListener;
  63 import android.widget.ArrayAdapter;
  64 import android.widget.ImageView;
  65 import android.widget.LinearLayout;
  66 import android.widget.ListView;
  67 import android.widget.TextView;
  68 import android.widget.Toast;
  69
  70 import com.actionbarsherlock.app.ActionBar;
  71 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  72 import com.actionbarsherlock.view.Menu;
  73 import com.actionbarsherlock.view.MenuInflater;
  74 import com.actionbarsherlock.view.MenuItem;
  75 import com.actionbarsherlock.view.Window;
  76 import com.owncloud.android.MainApp;
  77 import com.owncloud.android.R;
  78 import com.owncloud.android.authentication.AccountUtils;
  79 import com.owncloud.android.datamodel.OCFile;
  80 import com.owncloud.android.files.services.FileDownloader;
  81 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  82 import com.owncloud.android.files.services.FileUploader;
  83 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  84 import com.owncloud.android.lib.common.OwnCloudAccount;
  85 import com.owncloud.android.lib.common.OwnCloudClient;
  86 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  87 import com.owncloud.android.lib.common.OwnCloudCredentials;
  88 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  89 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  90 import com.owncloud.android.lib.common.operations.RemoteOperation;
  91 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  92 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  93 import com.owncloud.android.lib.common.utils.Log_OC;
  94 import com.owncloud.android.operations.CreateFolderOperation;
  95 import com.owncloud.android.operations.CreateShareOperation;
  96 import com.owncloud.android.operations.MoveFileOperation;
  97 import com.owncloud.android.operations.RemoveFileOperation;
  98 import com.owncloud.android.operations.RenameFileOperation;
  99 import com.owncloud.android.operations.SynchronizeFileOperation;
 100 import com.owncloud.android.operations.RefreshFolderOperation;
 101 import com.owncloud.android.operations.UnshareLinkOperation;
 102 import com.owncloud.android.services.observer.FileObserverService;
 103 import com.owncloud.android.syncadapter.FileSyncAdapter;
 104 import com.owncloud.android.ui.adapter.FileListListAdapter;
 105 import com.owncloud.android.ui.adapter.NavigationDrawerListAdapter;
 106 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
 107 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
 108 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
 109 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
 110 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
 111 import com.owncloud.android.ui.fragment.FileDetailFragment;
 112 import com.owncloud.android.ui.fragment.FileFragment;
 113 import com.owncloud.android.ui.fragment.OCFileListFragment;
 114 import com.owncloud.android.ui.preview.PreviewImageActivity;
 115 import com.owncloud.android.ui.preview.PreviewImageFragment;
 116 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 117 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 118 import com.owncloud.android.utils.DisplayUtils;
 119 import com.owncloud.android.utils.ErrorMessageAdapter;
 120 import com.owncloud.android.utils.FileStorageUtils;
 121 import com.owncloud.android.utils.UriUtils;
 122
 123
 124 /**
 125  * Displays, what files the user has available in his ownCloud.
 126  */
 127
 128 public class FileDisplayActivity extends HookActivity implements
 129 FileFragment.ContainerActivity, OnNavigationListener,
 130 OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 131
 132     private ArrayAdapter<String> mDirectories;
 133
 134     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 135     private UploadFinishReceiver mUploadFinishReceiver;
 136     private DownloadFinishReceiver mDownloadFinishReceiver;
 137     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 138
 139     private boolean mDualPane;
 140     private View mLeftFragmentContainer;
 141     private View mRightFragmentContainer;
 142
 143     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 144     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 145     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 146
 147     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 148
 149     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 150     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 151     public static final int ACTION_MOVE_FILES = 3;
 152
 153     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 154
 155     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 156     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 157
 158     private OCFile mWaitingToPreview;
 159
 160     private boolean mSyncInProgress = false;
 161
 162     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 163     private static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 164     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 165     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 166
 167     private NavigationDrawerListAdapter adapter = null;
 168
 169     private OCFile mWaitingToSend;
 170
 171     private DrawerLayout mDrawerLayout;
 172     private ActionBarDrawerToggle mDrawerToggle;
 173     private boolean showAccounts = false;
 174
 175     @Override
 176     protected void onCreate(Bundle savedInstanceState) {
 177         Log_OC.v(TAG, "onCreate() start");
 178         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 179
 180         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 181
 182         /// grant that FileObserverService is watching favorite files
 183         if (savedInstanceState == null) {
 184             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 185             startService(initObserversIntent);
 186         }
 187
 188         /// Load of saved instance state
 189         if(savedInstanceState != null) {
 190             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 191             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 192             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 193
 194         } else {
 195             mWaitingToPreview = null;
 196             mSyncInProgress = false;
 197             mWaitingToSend = null;
 198         }
 199
 200         /// USER INTERFACE
 201
 202         // Inflate and set the layout view
 203         setContentView(R.layout.files);
 204
 205         // TODO move to another place that all activity can use it
 206         mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
 207
 208         mDrawerToggle = new ActionBarDrawerToggle(
 209                 this,
 210                 mDrawerLayout,
 211                 R.drawable.ic_drawer,
 212                 R.string.drawer_open,
 213                 R.string.empty
 214                 ) {
 215
 216             /** Called when a drawer has settled in a completely closed state. */
 217             public void onDrawerClosed(View view) {
 218                 super.onDrawerClosed(view);
 219                 getSupportActionBar().setDisplayShowTitleEnabled(true);
 220                 getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 221                 initFragmentsWithFile();
 222                 invalidateOptionsMenu();
 223             }
 224
 225             /** Called when a drawer has settled in a completely open state. */
 226             public void onDrawerOpened(View drawerView) {
 227                 super.onDrawerOpened(drawerView);
 228                 getSupportActionBar().setTitle(R.string.drawer_open);
 229                 getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
 230                 invalidateOptionsMenu();
 231             }
 232         };
 233
 234         mDrawerToggle.setDrawerIndicatorEnabled(true);
 235
 236         // Notification Drawer
 237         LinearLayout notificatonDrawer = (LinearLayout) findViewById(R.id.left_drawer);
 238
 239         // ListView
 240         ListView listView = (ListView) notificatonDrawer.findViewById(R.id.drawer_list);
 241         adapter = new NavigationDrawerListAdapter(getApplicationContext(), this);
 242
 243         listView.setAdapter(adapter);
 244
 245         listView.setOnItemClickListener(new OnItemClickListener() {
 246             @Override
 247             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 248                 if (showAccounts && position > 0){
 249                     position = position - 1;
 250                 }
 251                 switch (position){
 252                 case 0:
 253                     showAccounts = !showAccounts;
 254                     adapter.setShowAccounts(showAccounts);
 255                     adapter.notifyDataSetChanged();
 256                     break;
 257                 case 1:
 258                     // TODO Enable when "On Device" is recovered ?
 259                     //MainApp.showOnlyFilesOnDevice(false);
 260                     mDrawerLayout.closeDrawers();
 261                     break;
 262                 // TODO Enable when "On Device" is recovered ?
 263 //                case 2:
 264 //                    MainApp.showOnlyFilesOnDevice(true);
 265 //                    mDrawerLayout.closeDrawers();
 266 //                    break;
 267                 case 2:
 268                     Intent settingsIntent = new Intent(getApplicationContext(), Preferences.class);
 269                     startActivity(settingsIntent);
 270                     break;
 271                 }
 272             }
 273         });
 274
 275         // User-Icon
 276         ImageView userIcon = (ImageView) notificatonDrawer.findViewById(R.id.drawer_userIcon);
 277         userIcon.setImageResource(DisplayUtils.getSeasonalIconId());
 278
 279         // Username
 280         TextView username = (TextView) notificatonDrawer.findViewById(R.id.drawer_username);
 281         Account account = AccountUtils.getCurrentOwnCloudAccount(getApplicationContext());
 282
 283         if (account != null) {
 284             int lastAtPos = account.name.lastIndexOf("@");
 285             username.setText(account.name.substring(0, lastAtPos));
 286         }
 287
 288         // Set the drawer toggle as the DrawerListener
 289         mDrawerLayout.setDrawerListener(mDrawerToggle);
 290
 291         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 292         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 293         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 294         if (savedInstanceState == null) {
 295             createMinFragments();
 296         }
 297
 298         // Action bar setup
 299         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 300         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 301         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 302         getSupportActionBar().setDisplayShowCustomEnabled(true); // CRUCIAL - for displaying your custom actionbar
 303         getSupportActionBar().setDisplayShowTitleEnabled(true);
 304         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 305
 306         mDrawerToggle.syncState();
 307
 308         setBackgroundText();
 309
 310         Log_OC.v(TAG, "onCreate() end");
 311     }
 312
 313     @Override
 314     protected void onStart() {
 315         Log_OC.v(TAG, "onStart() start");
 316         super.onStart();
 317         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 318         Log_OC.v(TAG, "onStart() end");
 319     }
 320
 321     @Override
 322     protected void onPostCreate(Bundle savedInstanceState) {
 323         super.onPostCreate(savedInstanceState);
 324         // Sync the toggle state after onRestoreInstanceState has occurred.
 325         mDrawerToggle.syncState();
 326     }
 327
 328     @Override
 329     public void onConfigurationChanged(Configuration newConfig) {
 330         super.onConfigurationChanged(newConfig);
 331         mDrawerToggle.onConfigurationChanged(newConfig);
 332     }
 333
 334     @Override
 335     protected void onDestroy() {
 336         Log_OC.v(TAG, "onDestroy() start");
 337         super.onDestroy();
 338         Log_OC.v(TAG, "onDestroy() end");
 339     }
 340
 341     /**
 342      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 343      */
 344     @Override
 345     protected void onAccountSet(boolean stateWasRecovered) {
 346         super.onAccountSet(stateWasRecovered);
 347         if (getAccount() != null) {
 348             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 349             OCFile file = getFile();
 350             // get parent from path
 351             String parentPath = "";
 352             if (file != null) {
 353                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 354                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 355                     // get parent from path
 356                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 357                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 358                         file = null; // not able to know the directory where the file is uploading
 359                 } else {
 360                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 361                 }
 362             }
 363             if (file == null) {
 364                 // fall back to root folder
 365                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 366             }
 367             setFile(file);
 368             setNavigationListWithFolder(file);
 369
 370             if (!stateWasRecovered) {
 371                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 372                 initFragmentsWithFile();
 373                 if (file.isFolder()) {
 374                     startSyncFolderOperation(file, false);
 375                 }
 376
 377             } else {
 378                 updateFragmentsVisibility(!file.isFolder());
 379                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 380             }
 381         }
 382     }
 383
 384
 385     private void setNavigationListWithFolder(OCFile file) {
 386         mDirectories.clear();
 387         OCFile fileIt = file;
 388         String parentPath;
 389         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 390             if (fileIt.isFolder()) {
 391                 mDirectories.add(fileIt.getFileName());
 392             }
 393             // get parent from path
 394             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 395             fileIt = getStorageManager().getFileByPath(parentPath);
 396         }
 397         mDirectories.add(OCFile.PATH_SEPARATOR);
 398     }
 399
 400
 401     private void createMinFragments() {
 402         OCFileListFragment listOfFiles = new OCFileListFragment();
 403         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 404         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 405         transaction.commit();
 406     }
 407
 408     private void initFragmentsWithFile() {
 409         if (getAccount() != null && getFile() != null) {
 410             /// First fragment
 411             OCFileListFragment listOfFiles = getListOfFilesFragment();
 412             if (listOfFiles != null) {
 413                 listOfFiles.listDirectory(getCurrentDir());
 414                 // TODO Enable when "On Device" is recovered
 415                 // listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 416             } else {
 417                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 418             }
 419
 420             /// Second fragment
 421             OCFile file = getFile();
 422             Fragment secondFragment = chooseInitialSecondFragment(file);
 423             if (secondFragment != null) {
 424                 setSecondFragment(secondFragment);
 425                 updateFragmentsVisibility(true);
 426                 updateNavigationElementsInActionBar(file);
 427
 428             } else {
 429                 cleanSecondFragment();
 430             }
 431
 432         } else {
 433             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 434             if (getAccount() == null) {
 435                 Log_OC.wtf(TAG, "\t account is NULL");
 436             }
 437             if (getFile() == null) {
 438                 Log_OC.wtf(TAG, "\t file is NULL");
 439             }
 440         }
 441     }
 442
 443     private Fragment chooseInitialSecondFragment(OCFile file) {
 444         Fragment secondFragment = null;
 445         if (file != null && !file.isFolder()) {
 446             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 447                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 448                     ) {
 449                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 450                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 451                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 452
 453             } else {
 454                 secondFragment = new FileDetailFragment(file, getAccount());
 455             }
 456         }
 457         return secondFragment;
 458     }
 459
 460
 461     /**
 462      * Replaces the second fragment managed by the activity with the received as
 463      * a parameter.
 464      *
 465      * Assumes never will be more than two fragments managed at the same time.
 466      *
 467      * @param fragment      New second Fragment to set.
 468      */
 469     private void setSecondFragment(Fragment fragment) {
 470         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 471         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 472         transaction.commit();
 473     }
 474
 475
 476     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 477         if (mDualPane) {
 478             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 479                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 480             }
 481             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 482                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 483             }
 484
 485         } else if (existsSecondFragment) {
 486             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 487                 mLeftFragmentContainer.setVisibility(View.GONE);
 488             }
 489             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 490                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 491             }
 492
 493         } else {
 494             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 495                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 496             }
 497             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 498                 mRightFragmentContainer.setVisibility(View.GONE);
 499             }
 500         }
 501     }
 502
 503
 504     private OCFileListFragment getListOfFilesFragment() {
 505         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 506         if (listOfFiles != null) {
 507             return (OCFileListFragment)listOfFiles;
 508         }
 509         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 510         return null;
 511     }
 512
 513     public FileFragment getSecondFragment() {
 514         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 515         if (second != null) {
 516             return (FileFragment)second;
 517         }
 518         return null;
 519     }
 520
 521     protected void cleanSecondFragment() {
 522         Fragment second = getSecondFragment();
 523         if (second != null) {
 524             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 525             tr.remove(second);
 526             tr.commit();
 527         }
 528         updateFragmentsVisibility(false);
 529         updateNavigationElementsInActionBar(null);
 530     }
 531
 532     protected void refreshListOfFilesFragment() {
 533         OCFileListFragment fileListFragment = getListOfFilesFragment();
 534         if (fileListFragment != null) {
 535             fileListFragment.listDirectory();
 536             // TODO Enable when "On Device" is recovered ?
 537             // fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 538         }
 539     }
 540
 541     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 542         FileFragment secondFragment = getSecondFragment();
 543         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 544         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 545             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 546             OCFile fileInFragment = detailsFragment.getFile();
 547             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 548                 // the user browsed to other file ; forget the automatic preview
 549                 mWaitingToPreview = null;
 550
 551             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 552                 // grant that the right panel updates the progress bar
 553                 detailsFragment.listenForTransferProgress();
 554                 detailsFragment.updateFileDetails(true, false);
 555
 556             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 557                 //  update the right panel
 558                 boolean detailsFragmentChanged = false;
 559                 if (waitedPreview) {
 560                     if (success) {
 561                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 562                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 563                             startMediaPreview(mWaitingToPreview, 0, true);
 564                             detailsFragmentChanged = true;
 565                         } else {
 566                             getFileOperationsHelper().openFile(mWaitingToPreview);
 567                         }
 568                     }
 569                     mWaitingToPreview = null;
 570                 }
 571                 if (!detailsFragmentChanged) {
 572                     detailsFragment.updateFileDetails(false, (success));
 573                 }
 574             }
 575         }
 576     }
 577
 578     @Override
 579     public boolean onPrepareOptionsMenu(Menu menu) {
 580         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 581         menu.findItem(R.id.action_upload).setVisible(!drawerOpen);
 582         menu.findItem(R.id.action_create_dir).setVisible(!drawerOpen);
 583         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 584
 585         return super.onPrepareOptionsMenu(menu);
 586     }
 587
 588     @Override
 589     public boolean onCreateOptionsMenu(Menu menu) {
 590         MenuInflater inflater = getSherlock().getMenuInflater();
 591         inflater.inflate(R.menu.main_menu, menu);
 592         return true;
 593     }
 594
 595
 596     @Override
 597     public boolean onOptionsItemSelected(MenuItem item) {
 598         boolean retval = true;
 599         switch (item.getItemId()) {
 600         case R.id.action_create_dir: {
 601             CreateFolderDialogFragment dialog = CreateFolderDialogFragment.newInstance(getCurrentDir());
 602             dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 603             break;
 604         }
 605         case R.id.action_upload: {
 606             UploadSourceDialogFragment dialog = UploadSourceDialogFragment.newInstance(getAccount());
 607             dialog.show(getSupportFragmentManager(), DIALOG_UPLOAD_SOURCE);
 608
 609             break;
 610         }
 611         case android.R.id.home: {
 612             if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 613                 mDrawerLayout.closeDrawer(GravityCompat.START);
 614             } else {
 615                 mDrawerLayout.openDrawer(GravityCompat.START);
 616             }
 617             // TODO add hamburger to left of android.R.id.home
 618             break;
 619         }
 620         case R.id.action_sort: {
 621             SharedPreferences appPreferences = PreferenceManager
 622                     .getDefaultSharedPreferences(this);
 623
 624             // Read sorting order, default to sort by name ascending
 625             Integer sortOrder = appPreferences
 626                     .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 627
 628             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 629             builder.setTitle(R.string.actionbar_sort_title)
 630             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 631                 public void onClick(DialogInterface dialog, int which) {
 632
 633                     switch (which){
 634                     case 0:
 635                         sortByName(true);
 636                         break;
 637                     case 1:
 638                         sortByDate(false);
 639                         break;
 640
 641                     }
 642
 643                     dialog.dismiss();
 644
 645                 }
 646             });
 647             builder.create().show();
 648             break;
 649         }
 650         default:
 651             retval = super.onOptionsItemSelected(item);
 652         }
 653         return retval;
 654     }
 655
 656     private void startSynchronization() {
 657         Log_OC.d(TAG, "Got to start sync");
 658         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 659             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 660             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 661             Bundle bundle = new Bundle();
 662             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 663             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 664             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 665             ContentResolver.requestSync(
 666                     getAccount(),
 667                     MainApp.getAuthority(), bundle);
 668         } else {
 669             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 670             SyncRequest.Builder builder = new SyncRequest.Builder();
 671             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 672             builder.setExpedited(true);
 673             builder.setManual(true);
 674             builder.syncOnce();
 675
 676             // Fix bug in Android Lollipop when you click on refresh the whole account
 677             Bundle extras = new Bundle();
 678             builder.setExtras(extras);
 679
 680             SyncRequest request = builder.build();
 681             ContentResolver.requestSync(request);
 682         }
 683     }
 684
 685
 686     @Override
 687     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 688         if (itemPosition != 0) {
 689             String targetPath = "";
 690             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 691                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 692             }
 693             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 694             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 695             if (targetFolder != null) {
 696                 browseTo(targetFolder);
 697             }
 698
 699             // the next operation triggers a new call to this method, but it's necessary to
 700             // ensure that the name exposed in the action bar is the current directory when the
 701             // user selected it in the navigation list
 702             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 703                 getSupportActionBar().setSelectedNavigationItem(0);
 704         }
 705         return true;
 706     }
 707
 708     /**
 709      * Called, when the user selected something for uploading
 710      *
 711      */
 712     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 713     @Override
 714     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 715
 716         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 717             //getClipData is only supported on api level 16+, Jelly Bean
 718             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 719                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 720                     Intent intent = new Intent();
 721                     intent.setData(data.getClipData().getItemAt(i).getUri());
 722                     requestSimpleUpload(intent, resultCode);
 723                 }
 724             }else {
 725                 requestSimpleUpload(data, resultCode);
 726             }
 727         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 728             requestMultipleUpload(data, resultCode);
 729
 730         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 731
 732             final Intent fData = data;
 733             final int fResultCode = resultCode;
 734             getHandler().postDelayed(
 735                 new Runnable() {
 736                     @Override
 737                     public void run() {
 738                         requestMoveOperation(fData, fResultCode);
 739                     }
 740                 },
 741                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 742             );
 743
 744         } else {
 745             super.onActivityResult(requestCode, resultCode, data);
 746         }
 747
 748     }
 749
 750     private void requestMultipleUpload(Intent data, int resultCode) {
 751         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 752         if (filePaths != null) {
 753             String[] remotePaths = new String[filePaths.length];
 754             String remotePathBase = "";
 755
 756             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 757                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 758             }
 759             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 760                 remotePathBase += OCFile.PATH_SEPARATOR;
 761             for (int j = 0; j< remotePaths.length; j++) {
 762                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 763             }
 764
 765             Intent i = new Intent(this, FileUploader.class);
 766             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 767             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 768             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 769             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 770             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 771                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 772             startService(i);
 773
 774         } else {
 775             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 776             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 777             t.show();
 778             return;
 779         }
 780     }
 781
 782
 783     private void requestSimpleUpload(Intent data, int resultCode) {
 784         String filePath = null;
 785         String mimeType = null;
 786
 787         Uri selectedImageUri = data.getData();
 788
 789         try {
 790             mimeType = getContentResolver().getType(selectedImageUri);
 791
 792             String fileManagerString = selectedImageUri.getPath();
 793             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 794
 795             if (selectedImagePath != null)
 796                 filePath = selectedImagePath;
 797             else
 798                 filePath = fileManagerString;
 799
 800         } catch (Exception e) {
 801             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 802
 803         } finally {
 804             if (filePath == null) {
 805                 Log_OC.e(TAG, "Couldn't resolve path to file");
 806                 Toast t = Toast.makeText(
 807                         this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG
 808                 );
 809                 t.show();
 810                 return;
 811             }
 812         }
 813
 814         Intent i = new Intent(this, FileUploader.class);
 815         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 816         OCFile currentDir = getCurrentDir();
 817         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 818
 819         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 820             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 821             try {
 822                 if (cursor != null && cursor.moveToFirst()) {
 823                     String displayName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
 824                     Log_OC.v(TAG, "Display Name: " + displayName );
 825
 826                     displayName.replace(File.separatorChar, '_');
 827                     displayName.replace(File.pathSeparatorChar, '_');
 828                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 829
 830                 }
 831                 // and what happens in case of error?; wrong target name for the upload
 832             } finally {
 833                 cursor.close();
 834             }
 835
 836         } else {
 837             remotePath += new File(filePath).getName();
 838         }
 839
 840         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 841         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 842         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 843         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 844         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 845         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 846         startService(i);
 847     }
 848
 849     /**
 850      * Request the operation for moving the file/folder from one path to another
 851      *
 852      * @param data              Intent received
 853      * @param resultCode        Result code received
 854      */
 855     private void requestMoveOperation(Intent data, int resultCode) {
 856         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 857         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 858         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 859     }
 860
 861     @Override
 862     public void onBackPressed() {
 863         OCFileListFragment listOfFiles = getListOfFilesFragment();
 864         if (mDualPane || getSecondFragment() == null) {
 865             if (listOfFiles != null) {  // should never be null, indeed
 866                 if (mDirectories.getCount() <= 1) {
 867                     finish();
 868                     return;
 869                 }
 870                 int levelsUp = listOfFiles.onBrowseUp();
 871                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 872                     popDirname();
 873                 }
 874             }
 875         }
 876         if (listOfFiles != null) {  // should never be null, indeed
 877             setFile(listOfFiles.getCurrentFile());
 878         }
 879         cleanSecondFragment();
 880
 881     }
 882
 883     @Override
 884     protected void onSaveInstanceState(Bundle outState) {
 885         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 886         Log_OC.v(TAG, "onSaveInstanceState() start");
 887         super.onSaveInstanceState(outState);
 888         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 889         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 890         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 891         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 892
 893         Log_OC.v(TAG, "onSaveInstanceState() end");
 894     }
 895
 896
 897
 898     @Override
 899     protected void onResume() {
 900         Log_OC.v(TAG, "onResume() start");
 901         super.onResume();
 902
 903         // refresh Navigation Drawer account list
 904         adapter.updateAccountList();
 905
 906         // refresh list of files
 907         refreshListOfFilesFragment();
 908
 909         // Listen for sync messages
 910         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 911         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 912         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 913         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 914         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 915         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 916         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 917         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 918
 919         // Listen for upload messages
 920         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 921         mUploadFinishReceiver = new UploadFinishReceiver();
 922         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 923
 924         // Listen for download messages
 925         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 926         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 927         mDownloadFinishReceiver = new DownloadFinishReceiver();
 928         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 929
 930         Log_OC.v(TAG, "onResume() end");
 931     }
 932
 933
 934     @Override
 935     protected void onPause() {
 936         Log_OC.v(TAG, "onPause() start");
 937         if (mSyncBroadcastReceiver != null) {
 938             unregisterReceiver(mSyncBroadcastReceiver);
 939             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 940             mSyncBroadcastReceiver = null;
 941         }
 942         if (mUploadFinishReceiver != null) {
 943             unregisterReceiver(mUploadFinishReceiver);
 944             mUploadFinishReceiver = null;
 945         }
 946         if (mDownloadFinishReceiver != null) {
 947             unregisterReceiver(mDownloadFinishReceiver);
 948             mDownloadFinishReceiver = null;
 949         }
 950
 951         super.onPause();
 952         Log_OC.v(TAG, "onPause() end");
 953     }
 954
 955     /**
 956      * Pushes a directory to the drop down list
 957      * @param directory to push
 958      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 959      */
 960     public void pushDirname(OCFile directory) {
 961         if(!directory.isFolder()){
 962             throw new IllegalArgumentException("Only directories may be pushed!");
 963         }
 964         mDirectories.insert(directory.getFileName(), 0);
 965         setFile(directory);
 966     }
 967
 968     /**
 969      * Pops a directory name from the drop down list
 970      * @return True, unless the stack is empty
 971      */
 972     public boolean popDirname() {
 973         mDirectories.remove(mDirectories.getItem(0));
 974         return !mDirectories.isEmpty();
 975     }
 976
 977     // Custom array adapter to override text colors
 978     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 979
 980         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 981             super(ctx, view);
 982         }
 983
 984         public View getView(int position, View convertView, ViewGroup parent) {
 985             View v = super.getView(position, convertView, parent);
 986
 987             ((TextView) v).setTextColor(getResources().getColorStateList(
 988                     android.R.color.white));
 989
 990             fixRoot((TextView) v );
 991             return v;
 992         }
 993
 994         public View getDropDownView(int position, View convertView,
 995                 ViewGroup parent) {
 996             View v = super.getDropDownView(position, convertView, parent);
 997
 998             ((TextView) v).setTextColor(getResources().getColorStateList(
 999                     android.R.color.white));
1000
1001             fixRoot((TextView) v );
1002             return v;
1003         }
1004
1005         private void fixRoot(TextView v) {
1006             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
1007                 v.setText(R.string.default_display_name_for_root_folder);
1008             }
1009         }
1010
1011     }
1012
1013     private class SyncBroadcastReceiver extends BroadcastReceiver {
1014
1015         /**
1016          * {@link BroadcastReceiver} to enable syncing feedback in UI
1017          */
1018         @Override
1019         public void onReceive(Context context, Intent intent) {
1020             try {
1021                 String event = intent.getAction();
1022                 Log_OC.d(TAG, "Received broadcast " + event);
1023                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
1024                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
1025                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
1026                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
1027
1028                 if (sameAccount) {
1029
1030                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
1031                         mSyncInProgress = true;
1032
1033                     } else {
1034                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
1035                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1036
1037                         if (currentDir == null) {
1038                             // current folder was removed from the server
1039                             Toast.makeText( FileDisplayActivity.this,
1040                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
1041                                             Toast.LENGTH_LONG)
1042                                 .show();
1043                             browseToRoot();
1044
1045                         } else {
1046                             if (currentFile == null && !getFile().isFolder()) {
1047                                 // currently selected file was removed in the server, and now we know it
1048                                 cleanSecondFragment();
1049                                 currentFile = currentDir;
1050                             }
1051
1052                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1053                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1054                                 if (fileListFragment != null) {
1055                                     fileListFragment.listDirectory();
1056                                     // TODO Enable when "On Device" is recovered ?
1057                                     // fileListFragment.listDirectory(currentDir, MainApp.getOnlyOnDevice());
1058                                 }
1059                             }
1060                             setFile(currentFile);
1061                         }
1062
1063                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1064
1065                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1066                                     equals(event) &&
1067                                 /// TODO refactor and make common
1068                                 synchResult != null && !synchResult.isSuccess() &&
1069                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1070                                     synchResult.isIdPRedirection()                  ||
1071                                     (synchResult.isException() && synchResult.getException()
1072                                             instanceof AuthenticatorException))) {
1073
1074
1075                             try {
1076                                 OwnCloudClient client;
1077                                 OwnCloudAccount ocAccount =
1078                                         new OwnCloudAccount(getAccount(), context);
1079                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1080                                         removeClientFor(ocAccount));
1081
1082                                 if (client != null) {
1083                                     OwnCloudCredentials cred = client.getCredentials();
1084                                     if (cred != null) {
1085                                         AccountManager am = AccountManager.get(context);
1086                                         if (cred.authTokenExpires()) {
1087                                             am.invalidateAuthToken(
1088                                                     getAccount().type,
1089                                                     cred.getAuthToken()
1090                                             );
1091                                         } else {
1092                                             am.clearPassword(getAccount());
1093                                         }
1094                                     }
1095                                 }
1096                                 requestCredentialsUpdate();
1097
1098                             } catch (AccountNotFoundException e) {
1099                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1100                             }
1101
1102                         }
1103                     }
1104                     removeStickyBroadcast(intent);
1105                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1106                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1107
1108                     setBackgroundText();
1109
1110                 }
1111
1112                 if (synchResult != null) {
1113                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1114                         mLastSslUntrustedServerResult = synchResult;
1115                     }
1116                 }
1117             } catch (RuntimeException e) {
1118                 // avoid app crashes after changing the serial id of RemoteOperationResult
1119                 // in owncloud library with broadcast notifications pending to process
1120                 removeStickyBroadcast(intent);
1121             }
1122         }
1123     }
1124
1125     /**
1126      * Show a text message on screen view for notifying user if content is
1127      * loading or folder is empty
1128      */
1129     private void setBackgroundText() {
1130         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1131         if (ocFileListFragment != null) {
1132             int message = R.string.file_list_loading;
1133             if (!mSyncInProgress) {
1134                 // In case file list is empty
1135                 message = R.string.file_list_empty;
1136             }
1137             ocFileListFragment.setMessageForEmptyList(getString(message));
1138         } else {
1139             Log_OC.e(TAG, "OCFileListFragment is null");
1140         }
1141     }
1142
1143     /**
1144      * Once the file upload has finished -> update view
1145      */
1146     private class UploadFinishReceiver extends BroadcastReceiver {
1147         /**
1148          * Once the file upload has finished -> update view
1149          *  @author David A. Velasco
1150          * {@link BroadcastReceiver} to enable upload feedback in UI
1151          */
1152         @Override
1153         public void onReceive(Context context, Intent intent) {
1154             try {
1155                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1156                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1157                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1158                 OCFile currentDir = getCurrentDir();
1159                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1160                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1161
1162                 if (sameAccount && isDescendant) {
1163                     refreshListOfFilesFragment();
1164                 }
1165
1166                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1167                 boolean renamedInUpload = getFile().getRemotePath().
1168                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1169                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1170                         renamedInUpload;
1171                 FileFragment details = getSecondFragment();
1172                 boolean detailFragmentIsShown = (details != null &&
1173                         details instanceof FileDetailFragment);
1174
1175                 if (sameAccount && sameFile && detailFragmentIsShown) {
1176                     if (uploadWasFine) {
1177                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1178                     }
1179                     if (renamedInUpload) {
1180                         String newName = (new File(uploadedRemotePath)).getName();
1181                         Toast msg = Toast.makeText(
1182                                 context,
1183                                 String.format(
1184                                         getString(R.string.filedetails_renamed_in_upload_msg),
1185                                         newName),
1186                                 Toast.LENGTH_LONG);
1187                         msg.show();
1188                     }
1189                     if (uploadWasFine || getFile().fileExists()) {
1190                         ((FileDetailFragment)details).updateFileDetails(false, true);
1191                     } else {
1192                         cleanSecondFragment();
1193                     }
1194
1195                     // Force the preview if the file is an image
1196                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1197                         startImagePreview(getFile());
1198                     } // TODO what about other kind of previews?
1199                 }
1200
1201             } finally {
1202                 if (intent != null) {
1203                     removeStickyBroadcast(intent);
1204                 }
1205             }
1206
1207         }
1208
1209     }
1210
1211
1212     /**
1213      * Class waiting for broadcast events from the {@link FileDownloader} service.
1214      *
1215      * Updates the UI when a download is started or finished, provided that it is relevant for the
1216      * current folder.
1217      */
1218     private class DownloadFinishReceiver extends BroadcastReceiver {
1219
1220         //int refreshCounter = 0;
1221         @Override
1222         public void onReceive(Context context, Intent intent) {
1223             try {
1224                 boolean sameAccount = isSameAccount(context, intent);
1225                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1226                 boolean isDescendant = isDescendant(downloadedRemotePath);
1227
1228                 if (sameAccount && isDescendant) {
1229                     String linkedToRemotePath = intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1230                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1231                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1232                         refreshListOfFilesFragment();
1233                     }
1234                     refreshSecondFragment(
1235                             intent.getAction(),
1236                             downloadedRemotePath,
1237                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1238                     );
1239                 }
1240
1241                 if (mWaitingToSend != null) {
1242                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1243                     if (mWaitingToSend.isDown()) {
1244                         sendDownloadedFile();
1245                     }
1246                 }
1247
1248             } finally {
1249                 if (intent != null) {
1250                     removeStickyBroadcast(intent);
1251                 }
1252             }
1253         }
1254
1255         private boolean isDescendant(String downloadedRemotePath) {
1256             OCFile currentDir = getCurrentDir();
1257             return (
1258                 currentDir != null &&
1259                 downloadedRemotePath != null &&
1260                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1261             );
1262         }
1263
1264         private boolean isAscendant(String linkedToRemotePath) {
1265             OCFile currentDir = getCurrentDir();
1266             return (
1267                 currentDir != null &&
1268                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1269             );
1270         }
1271
1272         private boolean isSameAccount(Context context, Intent intent) {
1273             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1274             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1275         }
1276     }
1277
1278
1279     public void browseToRoot() {
1280         OCFileListFragment listOfFiles = getListOfFilesFragment();
1281         if (listOfFiles != null) {  // should never be null, indeed
1282             while (mDirectories.getCount() > 1) {
1283                 popDirname();
1284             }
1285             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1286             listOfFiles.listDirectory(root);
1287             // TODO Enable when "On Device" is recovered ?
1288             // listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1289             setFile(listOfFiles.getCurrentFile());
1290             startSyncFolderOperation(root, false);
1291         }
1292         cleanSecondFragment();
1293     }
1294
1295
1296     public void browseTo(OCFile folder) {
1297         if (folder == null || !folder.isFolder()) {
1298             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1299         }
1300         OCFileListFragment listOfFiles = getListOfFilesFragment();
1301         if (listOfFiles != null) {
1302             setNavigationListWithFolder(folder);
1303             listOfFiles.listDirectory(folder);
1304             // TODO Enable when "On Device" is recovered ?
1305             // listOfFiles.listDirectory(folder, MainApp.getOnlyOnDevice());
1306             setFile(listOfFiles.getCurrentFile());
1307             startSyncFolderOperation(folder, false);
1308         } else {
1309             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1310         }
1311         cleanSecondFragment();
1312     }
1313
1314
1315     /**
1316      * {@inheritDoc}
1317      *
1318      * Updates action bar and second fragment, if in dual pane mode.
1319      */
1320     @Override
1321     public void onBrowsedDownTo(OCFile directory) {
1322         pushDirname(directory);
1323         cleanSecondFragment();
1324
1325         // Sync Folder
1326         startSyncFolderOperation(directory, false);
1327
1328     }
1329
1330     /**
1331      * Shows the information of the {@link OCFile} received as a
1332      * parameter in the second fragment.
1333      *
1334      * @param file          {@link OCFile} whose details will be shown
1335      */
1336     @Override
1337     public void showDetails(OCFile file) {
1338         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1339         setSecondFragment(detailFragment);
1340         updateFragmentsVisibility(true);
1341         updateNavigationElementsInActionBar(file);
1342         setFile(file);
1343     }
1344
1345
1346     /**
1347      * TODO
1348      */
1349     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1350         ActionBar actionBar = getSupportActionBar();
1351
1352         // For adding content description tag to a title field in the action bar
1353         int actionBarTitleId = getResources().getIdentifier("action_bar_title", "id", "android");
1354
1355         if (chosenFile == null || mDualPane) {
1356             // only list of files - set for browsing through folders
1357             OCFile currentDir = getCurrentDir();
1358             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1359 //            actionBar.setDisplayHomeAsUpEnabled(noRoot);
1360 //            actionBar.setDisplayShowTitleEnabled(!noRoot);
1361             actionBar.setDisplayHomeAsUpEnabled(true);
1362             actionBar.setDisplayShowTitleEnabled(true);
1363             if (!noRoot) {
1364                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1365                 View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1366                 if (actionBarTitleView != null) {    // it's null in Android 2.x
1367                     actionBarTitleView.setContentDescription(getString(R.string.default_display_name_for_root_folder));
1368                 }
1369             }
1370             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1371             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1372
1373         } else {
1374             actionBar.setDisplayHomeAsUpEnabled(true);
1375             actionBar.setDisplayShowTitleEnabled(true);
1376             actionBar.setTitle(chosenFile.getFileName());
1377             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1378             View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1379             if (actionBarTitleView != null) {    // it's null in Android 2.x
1380                 getWindow().getDecorView().findViewById(actionBarTitleId).
1381                         setContentDescription(chosenFile.getFileName());
1382             }
1383         }
1384     }
1385
1386
1387     @Override
1388     protected ServiceConnection newTransferenceServiceConnection() {
1389         return new ListServiceConnection();
1390     }
1391
1392     /** Defines callbacks for service binding, passed to bindService() */
1393     private class ListServiceConnection implements ServiceConnection {
1394
1395         @Override
1396         public void onServiceConnected(ComponentName component, IBinder service) {
1397             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1398                 Log_OC.d(TAG, "Download service connected");
1399                 mDownloaderBinder = (FileDownloaderBinder) service;
1400                 if (mWaitingToPreview != null)
1401                     if (getStorageManager() != null) {
1402                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1403                         if (!mWaitingToPreview.isDown()) {
1404                             requestForDownload();
1405                         }
1406                 }
1407
1408             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1409                 Log_OC.d(TAG, "Upload service connected");
1410                 mUploaderBinder = (FileUploaderBinder) service;
1411             } else {
1412                 return;
1413             }
1414             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1415             OCFileListFragment listOfFiles = getListOfFilesFragment();
1416             if (listOfFiles != null) {
1417                 listOfFiles.listDirectory();
1418                 // TODO Enable when "On Device" is recovered ?
1419                 // listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1420             }
1421             FileFragment secondFragment = getSecondFragment();
1422             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1423                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1424                 detailFragment.listenForTransferProgress();
1425                 detailFragment.updateFileDetails(false, false);
1426             }
1427         }
1428
1429         @Override
1430         public void onServiceDisconnected(ComponentName component) {
1431             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1432                 Log_OC.d(TAG, "Download service disconnected");
1433                 mDownloaderBinder = null;
1434             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1435                 Log_OC.d(TAG, "Upload service disconnected");
1436                 mUploaderBinder = null;
1437             }
1438         }
1439     };
1440
1441     @Override
1442     public void onSavedCertificate() {
1443         startSyncFolderOperation(getCurrentDir(), false);
1444     }
1445
1446
1447     @Override
1448     public void onFailedSavingCertificate() {
1449         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1450                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1451         );
1452         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1453     }
1454
1455     @Override
1456     public void onCancelCertificate() {
1457         // nothing to do
1458     }
1459
1460     /**
1461      * Updates the view associated to the activity after the finish of some operation over files
1462      * in the current account.
1463      *
1464      * @param operation     Removal operation performed.
1465      * @param result        Result of the removal.
1466      */
1467     @Override
1468     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1469         super.onRemoteOperationFinish(operation, result);
1470
1471         if (operation instanceof RemoveFileOperation) {
1472             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1473
1474         } else if (operation instanceof RenameFileOperation) {
1475             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1476
1477         } else if (operation instanceof SynchronizeFileOperation) {
1478             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1479
1480         } else if (operation instanceof CreateFolderOperation) {
1481             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1482
1483         } else if (operation instanceof CreateShareOperation) {
1484             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1485
1486         } else if (operation instanceof UnshareLinkOperation) {
1487             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1488
1489         } else if (operation instanceof MoveFileOperation) {
1490             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1491         }
1492
1493     }
1494
1495
1496     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1497         if (result.isSuccess()) {
1498             refreshShowDetails();
1499             refreshListOfFilesFragment();
1500         }
1501     }
1502
1503
1504     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1505         if (result.isSuccess()) {
1506             refreshShowDetails();
1507             refreshListOfFilesFragment();
1508
1509         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1510             cleanSecondFragment();
1511             refreshListOfFilesFragment();
1512         }
1513     }
1514
1515     private void refreshShowDetails() {
1516         FileFragment details = getSecondFragment();
1517         if (details != null) {
1518             OCFile file = details.getFile();
1519             if (file != null) {
1520                 file = getStorageManager().getFileByPath(file.getRemotePath());
1521                 if (details instanceof PreviewMediaFragment) {
1522                     // Refresh  OCFile of the fragment
1523                     ((PreviewMediaFragment) details).updateFile(file);
1524                 } else {
1525                     showDetails(file);
1526                 }
1527             }
1528             invalidateOptionsMenu();
1529         }
1530     }
1531
1532     /**
1533      * Updates the view associated to the activity after the finish of an operation trying to remove a
1534      * file.
1535      *
1536      * @param operation     Removal operation performed.
1537      * @param result        Result of the removal.
1538      */
1539     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1540         dismissLoadingDialog();
1541
1542         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1543                 Toast.LENGTH_LONG);
1544         msg.show();
1545
1546         if (result.isSuccess()) {
1547             OCFile removedFile = operation.getFile();
1548             FileFragment second = getSecondFragment();
1549             if (second != null && removedFile.equals(second.getFile())) {
1550                 if (second instanceof PreviewMediaFragment) {
1551                     ((PreviewMediaFragment)second).stopPreview(true);
1552                 }
1553                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1554                 cleanSecondFragment();
1555             }
1556             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1557                 refreshListOfFilesFragment();
1558             }
1559             invalidateOptionsMenu();
1560         } else {
1561             if (result.isSslRecoverableException()) {
1562                 mLastSslUntrustedServerResult = result;
1563                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1564             }
1565         }
1566     }
1567
1568
1569     /**
1570      * Updates the view associated to the activity after the finish of an operation trying to move a
1571      * file.
1572      *
1573      * @param operation     Move operation performed.
1574      * @param result        Result of the move operation.
1575      */
1576     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1577         if (result.isSuccess()) {
1578             dismissLoadingDialog();
1579             refreshListOfFilesFragment();
1580         } else {
1581             dismissLoadingDialog();
1582             try {
1583                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1584                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1585                         Toast.LENGTH_LONG);
1586                 msg.show();
1587
1588             } catch (NotFoundException e) {
1589                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1590             }
1591         }
1592     }
1593
1594
1595     /**
1596      * Updates the view associated to the activity after the finish of an operation trying to rename a
1597      * file.
1598      *
1599      * @param operation     Renaming operation performed.
1600      * @param result        Result of the renaming.
1601      */
1602     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1603         dismissLoadingDialog();
1604         OCFile renamedFile = operation.getFile();
1605         if (result.isSuccess()) {
1606             FileFragment details = getSecondFragment();
1607             if (details != null) {
1608                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1609                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1610                     showDetails(renamedFile);
1611
1612                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1613                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1614                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1615                         int position = ((PreviewMediaFragment)details).getPosition();
1616                         startMediaPreview(renamedFile, position, true);
1617                     } else {
1618                         getFileOperationsHelper().openFile(renamedFile);
1619                     }
1620                 }
1621             }
1622
1623             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1624                 refreshListOfFilesFragment();
1625             }
1626
1627         } else {
1628             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1629                     Toast.LENGTH_LONG);
1630             msg.show();
1631
1632             if (result.isSslRecoverableException()) {
1633                 mLastSslUntrustedServerResult = result;
1634                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1635             }
1636         }
1637     }
1638
1639     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1640         dismissLoadingDialog();
1641         OCFile syncedFile = operation.getLocalFile();
1642         if (!result.isSuccess()) {
1643             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1644                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1645                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1646                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1647                 startActivity(i);
1648
1649             }
1650
1651         } else {
1652             if (operation.transferWasRequested()) {
1653                 onTransferStateChanged(syncedFile, true, true);
1654
1655             } else {
1656                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1657                         Toast.LENGTH_LONG);
1658                 msg.show();
1659             }
1660         }
1661     }
1662
1663     /**
1664      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1665      *
1666      * @param operation     Creation operation performed.
1667      * @param result        Result of the creation.
1668      */
1669     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1670         if (result.isSuccess()) {
1671             dismissLoadingDialog();
1672             refreshListOfFilesFragment();
1673         } else {
1674             dismissLoadingDialog();
1675             try {
1676                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1677                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1678                         Toast.LENGTH_LONG);
1679                 msg.show();
1680
1681             } catch (NotFoundException e) {
1682                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1683             }
1684         }
1685     }
1686
1687
1688     /**
1689      * {@inheritDoc}
1690      */
1691     @Override
1692     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1693         refreshListOfFilesFragment();
1694         FileFragment details = getSecondFragment();
1695         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1696             if (downloading || uploading) {
1697                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1698             } else {
1699                 if (!file.fileExists()) {
1700                     cleanSecondFragment();
1701                 } else {
1702                     ((FileDetailFragment)details).updateFileDetails(false, true);
1703                 }
1704             }
1705         }
1706
1707     }
1708
1709
1710     private void requestForDownload() {
1711         Account account = getAccount();
1712         //if (!mWaitingToPreview.isDownloading()) {
1713         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1714             Intent i = new Intent(this, FileDownloader.class);
1715             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1716             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1717             startService(i);
1718         }
1719     }
1720
1721
1722     private OCFile getCurrentDir() {
1723         OCFile file = getFile();
1724         if (file != null) {
1725             if (file.isFolder()) {
1726                 return file;
1727             } else if (getStorageManager() != null) {
1728                 String parentPath = file.getRemotePath().substring(0,
1729                         file.getRemotePath().lastIndexOf(file.getFileName()));
1730                 return getStorageManager().getFileByPath(parentPath);
1731             }
1732         }
1733         return null;
1734     }
1735
1736     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1737         long currentSyncTime = System.currentTimeMillis();
1738
1739         mSyncInProgress = true;
1740
1741         // perform folder synchronization
1742         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1743                                                                         currentSyncTime,
1744                                                                         false,
1745                                                                         getFileOperationsHelper().isSharedSupported(),
1746                                                                         ignoreETag,
1747                                                                         getStorageManager(),
1748                                                                         getAccount(),
1749                                                                         getApplicationContext()
1750                                                                       );
1751         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1752
1753         setSupportProgressBarIndeterminateVisibility(true);
1754
1755         setBackgroundText();
1756     }
1757
1758     /**
1759      * Show untrusted cert dialog
1760      */
1761     public void showUntrustedCertDialog(RemoteOperationResult result) {
1762         // Show a dialog with the certificate info
1763         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1764                 (CertificateCombinedException) result.getException());
1765         FragmentManager fm = getSupportFragmentManager();
1766         FragmentTransaction ft = fm.beginTransaction();
1767         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1768     }
1769
1770     private void requestForDownload(OCFile file) {
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, file);
1776             startService(i);
1777         }
1778     }
1779
1780     private void sendDownloadedFile(){
1781         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1782         mWaitingToSend = null;
1783     }
1784
1785
1786     /**
1787      * Requests the download of the received {@link OCFile} , updates the UI
1788      * to monitor the download progress and prepares the activity to send the file
1789      * when the download finishes.
1790      *
1791      * @param file          {@link OCFile} to download and preview.
1792      */
1793     public void startDownloadForSending(OCFile file) {
1794         mWaitingToSend = file;
1795         requestForDownload(mWaitingToSend);
1796         boolean hasSecondFragment = (getSecondFragment()!= null);
1797         updateFragmentsVisibility(hasSecondFragment);
1798     }
1799
1800     /**
1801      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1802      *
1803      * @param file                      Image {@link OCFile} to show.
1804      */
1805     public void startImagePreview(OCFile file) {
1806         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1807         showDetailsIntent.putExtra(EXTRA_FILE, file);
1808         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1809         startActivity(showDetailsIntent);
1810
1811     }
1812
1813     /**
1814      * Stars the preview of an already down media {@link OCFile}.
1815      *
1816      * @param file                      Media {@link OCFile} to preview.
1817      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1818      * @param autoplay                  When 'true', the playback will start without user interactions.
1819      */
1820     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1821         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1822         setSecondFragment(mediaFragment);
1823         updateFragmentsVisibility(true);
1824         updateNavigationElementsInActionBar(file);
1825         setFile(file);
1826     }
1827
1828     /**
1829      * Requests the download of the received {@link OCFile} , updates the UI
1830      * to monitor the download progress and prepares the activity to preview
1831      * or open the file when the download finishes.
1832      *
1833      * @param file          {@link OCFile} to download and preview.
1834      */
1835     public void startDownloadForPreview(OCFile file) {
1836         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1837         setSecondFragment(detailFragment);
1838         mWaitingToPreview = file;
1839         requestForDownload();
1840         updateFragmentsVisibility(true);
1841         updateNavigationElementsInActionBar(file);
1842         setFile(file);
1843     }
1844
1845
1846     public void cancelTransference(OCFile file) {
1847         getFileOperationsHelper().cancelTransference(file);
1848         if (mWaitingToPreview != null &&
1849                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1850             mWaitingToPreview = null;
1851         }
1852         if (mWaitingToSend != null &&
1853                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1854             mWaitingToSend = null;
1855         }
1856         onTransferStateChanged(file, false, false);
1857     }
1858
1859     @Override
1860     public void onRefresh(boolean ignoreETag) {
1861         refreshList(ignoreETag);
1862     }
1863
1864     @Override
1865     public void onRefresh() {
1866         refreshList(true);
1867     }
1868
1869     private void refreshList(boolean ignoreETag) {
1870         OCFileListFragment listOfFiles = getListOfFilesFragment();
1871         if (listOfFiles != null) {
1872             OCFile folder = listOfFiles.getCurrentFile();
1873             if (folder != null) {
1874                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1875                 listDirectory(mFile);*/
1876                 startSyncFolderOperation(folder, ignoreETag);
1877             }
1878         }
1879     }
1880
1881     private void sortByDate(boolean ascending){
1882         getListOfFilesFragment().sortByDate(ascending);
1883     }
1884
1885     private void sortBySize(boolean ascending){
1886         getListOfFilesFragment().sortBySize(ascending);
1887     }
1888
1889     private void sortByName(boolean ascending){
1890         getListOfFilesFragment().sortByName(ascending);
1891     }
1892
1893     public void restart(){
1894         Intent i = new Intent(this, FileDisplayActivity.class);
1895         i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
1896         startActivity(i);
1897     }
1898
1899     public void closeDrawer() {
1900         mDrawerLayout.closeDrawers();
1901     }
1902
1903 }