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
 168     private OCFile mWaitingToSend;
 169
 170     private DrawerLayout mDrawerLayout;
 171     private ActionBarDrawerToggle mDrawerToggle;
 172     private boolean showAccounts = false;
 173
 174     @Override
 175     protected void onCreate(Bundle savedInstanceState) {
 176         Log_OC.v(TAG, "onCreate() start");
 177         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 178
 179         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 180
 181         /// grant that FileObserverService is watching favorite files
 182         if (savedInstanceState == null) {
 183             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 184             startService(initObserversIntent);
 185         }
 186
 187         /// Load of saved instance state
 188         if(savedInstanceState != null) {
 189             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 190             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 191             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 192
 193         } else {
 194             mWaitingToPreview = null;
 195             mSyncInProgress = false;
 196             mWaitingToSend = null;
 197         }
 198
 199         /// USER INTERFACE
 200
 201         // Inflate and set the layout view
 202         setContentView(R.layout.files);
 203
 204         // TODO move to another place that all activity can use it
 205         mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
 206
 207         mDrawerToggle = new ActionBarDrawerToggle(
 208                 this,
 209                 mDrawerLayout,
 210                 R.drawable.ic_drawer,
 211                 R.string.drawer_open,
 212                 R.string.empty
 213                 ) {
 214
 215             /** Called when a drawer has settled in a completely closed state. */
 216             public void onDrawerClosed(View view) {
 217                 super.onDrawerClosed(view);
 218                 getSupportActionBar().setDisplayShowTitleEnabled(true);
 219                 getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 220                 initFragmentsWithFile();
 221                 invalidateOptionsMenu();
 222             }
 223
 224             /** Called when a drawer has settled in a completely open state. */
 225             public void onDrawerOpened(View drawerView) {
 226                 super.onDrawerOpened(drawerView);
 227                 getSupportActionBar().setTitle(R.string.drawer_open);
 228                 getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
 229                 invalidateOptionsMenu();
 230             }
 231         };
 232
 233         mDrawerToggle.setDrawerIndicatorEnabled(true);
 234
 235         // Notification Drawer
 236         LinearLayout notificatonDrawer = (LinearLayout) findViewById(R.id.left_drawer);
 237
 238         // ListView
 239         ListView listView = (ListView) notificatonDrawer.findViewById(R.id.drawer_list);
 240         final NavigationDrawerListAdapter adapter = new NavigationDrawerListAdapter(getApplicationContext(), this);
 241
 242         listView.setAdapter(adapter);
 243
 244         listView.setOnItemClickListener(new OnItemClickListener() {
 245             @Override
 246             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 247                 if (showAccounts && position > 0){
 248                     position = position - 1;
 249                 }
 250                 switch (position){
 251                 case 0:
 252                     showAccounts = !showAccounts;
 253                     adapter.setShowAccounts(showAccounts);
 254                     adapter.notifyDataSetChanged();
 255                     break;
 256                 case 1:
 257                     MainApp.showOnlyFilesOnDevice(false);
 258                     mDrawerLayout.closeDrawers();
 259                     break;
 260                 case 2:
 261                     MainApp.showOnlyFilesOnDevice(true);
 262                     mDrawerLayout.closeDrawers();
 263                     break;
 264                 case 3:
 265                     Intent settingsIntent = new Intent(getApplicationContext(), Preferences.class);
 266                     startActivity(settingsIntent);
 267                     break;
 268                 }
 269             }
 270         });
 271
 272         // User-Icon
 273         ImageView userIcon = (ImageView) notificatonDrawer.findViewById(R.id.drawer_userIcon);
 274         userIcon.setImageResource(DisplayUtils.getSeasonalIconId());
 275
 276         // Username
 277         TextView username = (TextView) notificatonDrawer.findViewById(R.id.drawer_username);
 278         Account account = AccountUtils.getCurrentOwnCloudAccount(getApplicationContext());
 279         int lastAtPos = account.name.lastIndexOf("@");
 280         username.setText(account.name.substring(0, lastAtPos));
 281
 282         // Set the drawer toggle as the DrawerListener
 283         mDrawerLayout.setDrawerListener(mDrawerToggle);
 284
 285         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 286         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 287         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 288         if (savedInstanceState == null) {
 289             createMinFragments();
 290         }
 291
 292         // Action bar setup
 293         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 294         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 295         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 296         getSupportActionBar().setDisplayShowCustomEnabled(true); // CRUCIAL - for displaying your custom actionbar
 297         getSupportActionBar().setDisplayShowTitleEnabled(true);
 298         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 299
 300         mDrawerToggle.syncState();
 301
 302         setBackgroundText();
 303
 304         Log_OC.v(TAG, "onCreate() end");
 305     }
 306
 307     @Override
 308     protected void onStart() {
 309         Log_OC.v(TAG, "onStart() start");
 310         super.onStart();
 311         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 312         Log_OC.v(TAG, "onStart() end");
 313     }
 314
 315     @Override
 316     protected void onPostCreate(Bundle savedInstanceState) {
 317         super.onPostCreate(savedInstanceState);
 318         // Sync the toggle state after onRestoreInstanceState has occurred.
 319         mDrawerToggle.syncState();
 320     }
 321
 322     @Override
 323     public void onConfigurationChanged(Configuration newConfig) {
 324         super.onConfigurationChanged(newConfig);
 325         mDrawerToggle.onConfigurationChanged(newConfig);
 326     }
 327
 328     @Override
 329     protected void onDestroy() {
 330         Log_OC.v(TAG, "onDestroy() start");
 331         super.onDestroy();
 332         Log_OC.v(TAG, "onDestroy() end");
 333     }
 334
 335     /**
 336      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 337      */
 338     @Override
 339     protected void onAccountSet(boolean stateWasRecovered) {
 340         super.onAccountSet(stateWasRecovered);
 341         if (getAccount() != null) {
 342             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 343             OCFile file = getFile();
 344             // get parent from path
 345             String parentPath = "";
 346             if (file != null) {
 347                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 348                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 349                     // get parent from path
 350                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 351                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 352                         file = null; // not able to know the directory where the file is uploading
 353                 } else {
 354                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 355                 }
 356             }
 357             if (file == null) {
 358                 // fall back to root folder
 359                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 360             }
 361             setFile(file);
 362             setNavigationListWithFolder(file);
 363
 364             if (!stateWasRecovered) {
 365                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 366                 initFragmentsWithFile();
 367                 if (file.isFolder()) {
 368                     startSyncFolderOperation(file, false);
 369                 }
 370
 371             } else {
 372                 updateFragmentsVisibility(!file.isFolder());
 373                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 374             }
 375         }
 376     }
 377
 378
 379     private void setNavigationListWithFolder(OCFile file) {
 380         mDirectories.clear();
 381         OCFile fileIt = file;
 382         String parentPath;
 383         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 384             if (fileIt.isFolder()) {
 385                 mDirectories.add(fileIt.getFileName());
 386             }
 387             // get parent from path
 388             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 389             fileIt = getStorageManager().getFileByPath(parentPath);
 390         }
 391         mDirectories.add(OCFile.PATH_SEPARATOR);
 392     }
 393
 394
 395     private void createMinFragments() {
 396         OCFileListFragment listOfFiles = new OCFileListFragment();
 397         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 398         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 399         transaction.commit();
 400     }
 401
 402     private void initFragmentsWithFile() {
 403         if (getAccount() != null && getFile() != null) {
 404             /// First fragment
 405             OCFileListFragment listOfFiles = getListOfFilesFragment();
 406             if (listOfFiles != null) {
 407                 listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 408             } else {
 409                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 410             }
 411
 412             /// Second fragment
 413             OCFile file = getFile();
 414             Fragment secondFragment = chooseInitialSecondFragment(file);
 415             if (secondFragment != null) {
 416                 setSecondFragment(secondFragment);
 417                 updateFragmentsVisibility(true);
 418                 updateNavigationElementsInActionBar(file);
 419
 420             } else {
 421                 cleanSecondFragment();
 422             }
 423
 424         } else {
 425             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 426             if (getAccount() == null) {
 427                 Log_OC.wtf(TAG, "\t account is NULL");
 428             }
 429             if (getFile() == null) {
 430                 Log_OC.wtf(TAG, "\t file is NULL");
 431             }
 432         }
 433     }
 434
 435     private Fragment chooseInitialSecondFragment(OCFile file) {
 436         Fragment secondFragment = null;
 437         if (file != null && !file.isFolder()) {
 438             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 439                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 440                     ) {
 441                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 442                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 443                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 444
 445             } else {
 446                 secondFragment = new FileDetailFragment(file, getAccount());
 447             }
 448         }
 449         return secondFragment;
 450     }
 451
 452
 453     /**
 454      * Replaces the second fragment managed by the activity with the received as
 455      * a parameter.
 456      *
 457      * Assumes never will be more than two fragments managed at the same time.
 458      *
 459      * @param fragment      New second Fragment to set.
 460      */
 461     private void setSecondFragment(Fragment fragment) {
 462         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 463         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 464         transaction.commit();
 465     }
 466
 467
 468     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 469         if (mDualPane) {
 470             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 471                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 472             }
 473             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 474                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 475             }
 476
 477         } else if (existsSecondFragment) {
 478             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 479                 mLeftFragmentContainer.setVisibility(View.GONE);
 480             }
 481             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 482                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 483             }
 484
 485         } else {
 486             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 487                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 488             }
 489             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 490                 mRightFragmentContainer.setVisibility(View.GONE);
 491             }
 492         }
 493     }
 494
 495
 496     private OCFileListFragment getListOfFilesFragment() {
 497         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 498         if (listOfFiles != null) {
 499             return (OCFileListFragment)listOfFiles;
 500         }
 501         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 502         return null;
 503     }
 504
 505     public FileFragment getSecondFragment() {
 506         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 507         if (second != null) {
 508             return (FileFragment)second;
 509         }
 510         return null;
 511     }
 512
 513     protected void cleanSecondFragment() {
 514         Fragment second = getSecondFragment();
 515         if (second != null) {
 516             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 517             tr.remove(second);
 518             tr.commit();
 519         }
 520         updateFragmentsVisibility(false);
 521         updateNavigationElementsInActionBar(null);
 522     }
 523
 524     protected void refreshListOfFilesFragment() {
 525         OCFileListFragment fileListFragment = getListOfFilesFragment();
 526         if (fileListFragment != null) {
 527             fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 528         }
 529     }
 530
 531     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 532         FileFragment secondFragment = getSecondFragment();
 533         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 534         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 535             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 536             OCFile fileInFragment = detailsFragment.getFile();
 537             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 538                 // the user browsed to other file ; forget the automatic preview
 539                 mWaitingToPreview = null;
 540
 541             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 542                 // grant that the right panel updates the progress bar
 543                 detailsFragment.listenForTransferProgress();
 544                 detailsFragment.updateFileDetails(true, false);
 545
 546             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 547                 //  update the right panel
 548                 boolean detailsFragmentChanged = false;
 549                 if (waitedPreview) {
 550                     if (success) {
 551                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 552                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 553                             startMediaPreview(mWaitingToPreview, 0, true);
 554                             detailsFragmentChanged = true;
 555                         } else {
 556                             getFileOperationsHelper().openFile(mWaitingToPreview);
 557                         }
 558                     }
 559                     mWaitingToPreview = null;
 560                 }
 561                 if (!detailsFragmentChanged) {
 562                     detailsFragment.updateFileDetails(false, (success));
 563                 }
 564             }
 565         }
 566     }
 567
 568     @Override
 569     public boolean onPrepareOptionsMenu(Menu menu) {
 570         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 571         menu.findItem(R.id.action_upload).setVisible(!drawerOpen);
 572         menu.findItem(R.id.action_create_dir).setVisible(!drawerOpen);
 573         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 574
 575         return super.onPrepareOptionsMenu(menu);
 576     }
 577
 578     @Override
 579     public boolean onCreateOptionsMenu(Menu menu) {
 580         MenuInflater inflater = getSherlock().getMenuInflater();
 581         inflater.inflate(R.menu.main_menu, menu);
 582         return true;
 583     }
 584
 585
 586     @Override
 587     public boolean onOptionsItemSelected(MenuItem item) {
 588         boolean retval = true;
 589         switch (item.getItemId()) {
 590         case R.id.action_create_dir: {
 591             CreateFolderDialogFragment dialog = CreateFolderDialogFragment.newInstance(getCurrentDir());
 592             dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 593             break;
 594         }
 595         case R.id.action_upload: {
 596             UploadSourceDialogFragment dialog = UploadSourceDialogFragment.newInstance(getAccount());
 597             dialog.show(getSupportFragmentManager(), DIALOG_UPLOAD_SOURCE);
 598
 599             break;
 600         }
 601         case android.R.id.home: {
 602             if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 603                 mDrawerLayout.closeDrawer(GravityCompat.START);
 604             } else {
 605                 mDrawerLayout.openDrawer(GravityCompat.START);
 606             }
 607             // TODO add hamburger to left of android.R.id.home
 608             break;
 609         }
 610         case R.id.action_sort: {
 611             SharedPreferences appPreferences = PreferenceManager
 612                     .getDefaultSharedPreferences(this);
 613
 614             // Read sorting order, default to sort by name ascending
 615             Integer sortOrder = appPreferences
 616                     .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 617
 618             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 619             builder.setTitle(R.string.actionbar_sort_title)
 620             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 621                 public void onClick(DialogInterface dialog, int which) {
 622
 623                     switch (which){
 624                     case 0:
 625                         sortByName(true);
 626                         break;
 627                     case 1:
 628                         sortByDate(false);
 629                         break;
 630
 631                     }
 632
 633                     dialog.dismiss();
 634
 635                 }
 636             });
 637             builder.create().show();
 638             break;
 639         }
 640         default:
 641             retval = super.onOptionsItemSelected(item);
 642         }
 643         return retval;
 644     }
 645
 646     private void startSynchronization() {
 647         Log_OC.d(TAG, "Got to start sync");
 648         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 649             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 650             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 651             Bundle bundle = new Bundle();
 652             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 653             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 654             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 655             ContentResolver.requestSync(
 656                     getAccount(),
 657                     MainApp.getAuthority(), bundle);
 658         } else {
 659             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 660             SyncRequest.Builder builder = new SyncRequest.Builder();
 661             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 662             builder.setExpedited(true);
 663             builder.setManual(true);
 664             builder.syncOnce();
 665
 666             // Fix bug in Android Lollipop when you click on refresh the whole account
 667             Bundle extras = new Bundle();
 668             builder.setExtras(extras);
 669
 670             SyncRequest request = builder.build();
 671             ContentResolver.requestSync(request);
 672         }
 673     }
 674
 675
 676     @Override
 677     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 678         if (itemPosition != 0) {
 679             String targetPath = "";
 680             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 681                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 682             }
 683             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 684             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 685             if (targetFolder != null) {
 686                 browseTo(targetFolder);
 687             }
 688
 689             // the next operation triggers a new call to this method, but it's necessary to
 690             // ensure that the name exposed in the action bar is the current directory when the
 691             // user selected it in the navigation list
 692             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 693                 getSupportActionBar().setSelectedNavigationItem(0);
 694         }
 695         return true;
 696     }
 697
 698     /**
 699      * Called, when the user selected something for uploading
 700      *
 701      */
 702     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 703     @Override
 704     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 705
 706         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 707             //getClipData is only supported on api level 16+, Jelly Bean
 708             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 709                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 710                     Intent intent = new Intent();
 711                     intent.setData(data.getClipData().getItemAt(i).getUri());
 712                     requestSimpleUpload(intent, resultCode);
 713                 }
 714             }else {
 715                 requestSimpleUpload(data, resultCode);
 716             }
 717         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 718             requestMultipleUpload(data, resultCode);
 719
 720         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 721
 722             final Intent fData = data;
 723             final int fResultCode = resultCode;
 724             getHandler().postDelayed(
 725                 new Runnable() {
 726                     @Override
 727                     public void run() {
 728                         requestMoveOperation(fData, fResultCode);
 729                     }
 730                 },
 731                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 732             );
 733
 734         } else {
 735             super.onActivityResult(requestCode, resultCode, data);
 736         }
 737
 738     }
 739
 740     private void requestMultipleUpload(Intent data, int resultCode) {
 741         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 742         if (filePaths != null) {
 743             String[] remotePaths = new String[filePaths.length];
 744             String remotePathBase = "";
 745
 746             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 747                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 748             }
 749             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 750                 remotePathBase += OCFile.PATH_SEPARATOR;
 751             for (int j = 0; j< remotePaths.length; j++) {
 752                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 753             }
 754
 755             Intent i = new Intent(this, FileUploader.class);
 756             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 757             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 758             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 759             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 760             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 761                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 762             startService(i);
 763
 764         } else {
 765             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 766             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 767             t.show();
 768             return;
 769         }
 770     }
 771
 772
 773     private void requestSimpleUpload(Intent data, int resultCode) {
 774         String filePath = null;
 775         String mimeType = null;
 776
 777         Uri selectedImageUri = data.getData();
 778
 779         try {
 780             mimeType = getContentResolver().getType(selectedImageUri);
 781
 782             String fileManagerString = selectedImageUri.getPath();
 783             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 784
 785             if (selectedImagePath != null)
 786                 filePath = selectedImagePath;
 787             else
 788                 filePath = fileManagerString;
 789
 790         } catch (Exception e) {
 791             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 792
 793         } finally {
 794             if (filePath == null) {
 795                 Log_OC.e(TAG, "Couldn't resolve path to file");
 796                 Toast t = Toast.makeText(
 797                         this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG
 798                 );
 799                 t.show();
 800                 return;
 801             }
 802         }
 803
 804         Intent i = new Intent(this, FileUploader.class);
 805         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 806         OCFile currentDir = getCurrentDir();
 807         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 808
 809         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 810             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 811             try {
 812                 if (cursor != null && cursor.moveToFirst()) {
 813                     String displayName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
 814                     Log_OC.v(TAG, "Display Name: " + displayName );
 815
 816                     displayName.replace(File.separatorChar, '_');
 817                     displayName.replace(File.pathSeparatorChar, '_');
 818                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 819
 820                 }
 821                 // and what happens in case of error?; wrong target name for the upload
 822             } finally {
 823                 cursor.close();
 824             }
 825
 826         } else {
 827             remotePath += new File(filePath).getName();
 828         }
 829
 830         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 831         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 832         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 833         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 834         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 835         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 836         startService(i);
 837     }
 838
 839     /**
 840      * Request the operation for moving the file/folder from one path to another
 841      *
 842      * @param data              Intent received
 843      * @param resultCode        Result code received
 844      */
 845     private void requestMoveOperation(Intent data, int resultCode) {
 846         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 847         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 848         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 849     }
 850
 851     @Override
 852     public void onBackPressed() {
 853         OCFileListFragment listOfFiles = getListOfFilesFragment();
 854         if (mDualPane || getSecondFragment() == null) {
 855             if (listOfFiles != null) {  // should never be null, indeed
 856                 if (mDirectories.getCount() <= 1) {
 857                     finish();
 858                     return;
 859                 }
 860                 int levelsUp = listOfFiles.onBrowseUp();
 861                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 862                     popDirname();
 863                 }
 864             }
 865         }
 866         if (listOfFiles != null) {  // should never be null, indeed
 867             setFile(listOfFiles.getCurrentFile());
 868         }
 869         cleanSecondFragment();
 870
 871     }
 872
 873     @Override
 874     protected void onSaveInstanceState(Bundle outState) {
 875         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 876         Log_OC.v(TAG, "onSaveInstanceState() start");
 877         super.onSaveInstanceState(outState);
 878         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 879         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 880         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 881         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 882
 883         Log_OC.v(TAG, "onSaveInstanceState() end");
 884     }
 885
 886
 887
 888     @Override
 889     protected void onResume() {
 890         Log_OC.v(TAG, "onResume() start");
 891         super.onResume();
 892
 893         // refresh list of files
 894         refreshListOfFilesFragment();
 895
 896         // Listen for sync messages
 897         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 898         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 899         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 900         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 901         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 902         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 903         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 904         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 905
 906         // Listen for upload messages
 907         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 908         mUploadFinishReceiver = new UploadFinishReceiver();
 909         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 910
 911         // Listen for download messages
 912         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 913         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 914         mDownloadFinishReceiver = new DownloadFinishReceiver();
 915         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 916
 917         Log_OC.v(TAG, "onResume() end");
 918     }
 919
 920
 921     @Override
 922     protected void onPause() {
 923         Log_OC.v(TAG, "onPause() start");
 924         if (mSyncBroadcastReceiver != null) {
 925             unregisterReceiver(mSyncBroadcastReceiver);
 926             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 927             mSyncBroadcastReceiver = null;
 928         }
 929         if (mUploadFinishReceiver != null) {
 930             unregisterReceiver(mUploadFinishReceiver);
 931             mUploadFinishReceiver = null;
 932         }
 933         if (mDownloadFinishReceiver != null) {
 934             unregisterReceiver(mDownloadFinishReceiver);
 935             mDownloadFinishReceiver = null;
 936         }
 937
 938         super.onPause();
 939         Log_OC.v(TAG, "onPause() end");
 940     }
 941
 942     /**
 943      * Pushes a directory to the drop down list
 944      * @param directory to push
 945      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 946      */
 947     public void pushDirname(OCFile directory) {
 948         if(!directory.isFolder()){
 949             throw new IllegalArgumentException("Only directories may be pushed!");
 950         }
 951         mDirectories.insert(directory.getFileName(), 0);
 952         setFile(directory);
 953     }
 954
 955     /**
 956      * Pops a directory name from the drop down list
 957      * @return True, unless the stack is empty
 958      */
 959     public boolean popDirname() {
 960         mDirectories.remove(mDirectories.getItem(0));
 961         return !mDirectories.isEmpty();
 962     }
 963
 964     // Custom array adapter to override text colors
 965     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 966
 967         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 968             super(ctx, view);
 969         }
 970
 971         public View getView(int position, View convertView, ViewGroup parent) {
 972             View v = super.getView(position, convertView, parent);
 973
 974             ((TextView) v).setTextColor(getResources().getColorStateList(
 975                     android.R.color.white));
 976
 977             fixRoot((TextView) v );
 978             return v;
 979         }
 980
 981         public View getDropDownView(int position, View convertView,
 982                 ViewGroup parent) {
 983             View v = super.getDropDownView(position, convertView, parent);
 984
 985             ((TextView) v).setTextColor(getResources().getColorStateList(
 986                     android.R.color.white));
 987
 988             fixRoot((TextView) v );
 989             return v;
 990         }
 991
 992         private void fixRoot(TextView v) {
 993             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 994                 v.setText(R.string.default_display_name_for_root_folder);
 995             }
 996         }
 997
 998     }
 999
1000     private class SyncBroadcastReceiver extends BroadcastReceiver {
1001
1002         /**
1003          * {@link BroadcastReceiver} to enable syncing feedback in UI
1004          */
1005         @Override
1006         public void onReceive(Context context, Intent intent) {
1007             try {
1008                 String event = intent.getAction();
1009                 Log_OC.d(TAG, "Received broadcast " + event);
1010                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
1011                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
1012                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
1013                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
1014
1015                 if (sameAccount) {
1016
1017                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
1018                         mSyncInProgress = true;
1019
1020                     } else {
1021                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
1022                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1023
1024                         if (currentDir == null) {
1025                             // current folder was removed from the server
1026                             Toast.makeText( FileDisplayActivity.this,
1027                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
1028                                             Toast.LENGTH_LONG)
1029                                 .show();
1030                             browseToRoot();
1031
1032                         } else {
1033                             if (currentFile == null && !getFile().isFolder()) {
1034                                 // currently selected file was removed in the server, and now we know it
1035                                 cleanSecondFragment();
1036                                 currentFile = currentDir;
1037                             }
1038
1039                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1040                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1041                                 if (fileListFragment != null) {
1042                                     fileListFragment.listDirectory(currentDir, MainApp.getOnlyOnDevice());
1043                                 }
1044                             }
1045                             setFile(currentFile);
1046                         }
1047
1048                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1049
1050                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1051                                     equals(event) &&
1052                                 /// TODO refactor and make common
1053                                 synchResult != null && !synchResult.isSuccess() &&
1054                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1055                                     synchResult.isIdPRedirection()                  ||
1056                                     (synchResult.isException() && synchResult.getException()
1057                                             instanceof AuthenticatorException))) {
1058
1059
1060                             try {
1061                                 OwnCloudClient client;
1062                                 OwnCloudAccount ocAccount =
1063                                         new OwnCloudAccount(getAccount(), context);
1064                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1065                                         removeClientFor(ocAccount));
1066
1067                                 if (client != null) {
1068                                     OwnCloudCredentials cred = client.getCredentials();
1069                                     if (cred != null) {
1070                                         AccountManager am = AccountManager.get(context);
1071                                         if (cred.authTokenExpires()) {
1072                                             am.invalidateAuthToken(
1073                                                     getAccount().type,
1074                                                     cred.getAuthToken()
1075                                             );
1076                                         } else {
1077                                             am.clearPassword(getAccount());
1078                                         }
1079                                     }
1080                                 }
1081                                 requestCredentialsUpdate();
1082
1083                             } catch (AccountNotFoundException e) {
1084                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
1085                             }
1086
1087                         }
1088                     }
1089                     removeStickyBroadcast(intent);
1090                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1091                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1092
1093                     setBackgroundText();
1094
1095                 }
1096
1097                 if (synchResult != null) {
1098                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1099                         mLastSslUntrustedServerResult = synchResult;
1100                     }
1101                 }
1102             } catch (RuntimeException e) {
1103                 // avoid app crashes after changing the serial id of RemoteOperationResult
1104                 // in owncloud library with broadcast notifications pending to process
1105                 removeStickyBroadcast(intent);
1106             }
1107         }
1108     }
1109
1110     /**
1111      * Show a text message on screen view for notifying user if content is
1112      * loading or folder is empty
1113      */
1114     private void setBackgroundText() {
1115         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1116         if (ocFileListFragment != null) {
1117             int message = R.string.file_list_loading;
1118             if (!mSyncInProgress) {
1119                 // In case file list is empty
1120                 message = R.string.file_list_empty;
1121             }
1122             ocFileListFragment.setMessageForEmptyList(getString(message));
1123         } else {
1124             Log_OC.e(TAG, "OCFileListFragment is null");
1125         }
1126     }
1127
1128     /**
1129      * Once the file upload has finished -> update view
1130      */
1131     private class UploadFinishReceiver extends BroadcastReceiver {
1132         /**
1133          * Once the file upload has finished -> update view
1134          *  @author David A. Velasco
1135          * {@link BroadcastReceiver} to enable upload feedback in UI
1136          */
1137         @Override
1138         public void onReceive(Context context, Intent intent) {
1139             try {
1140                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1141                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1142                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1143                 OCFile currentDir = getCurrentDir();
1144                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1145                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1146
1147                 if (sameAccount && isDescendant) {
1148                     refreshListOfFilesFragment();
1149                 }
1150
1151                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1152                 boolean renamedInUpload = getFile().getRemotePath().
1153                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1154                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1155                         renamedInUpload;
1156                 FileFragment details = getSecondFragment();
1157                 boolean detailFragmentIsShown = (details != null &&
1158                         details instanceof FileDetailFragment);
1159
1160                 if (sameAccount && sameFile && detailFragmentIsShown) {
1161                     if (uploadWasFine) {
1162                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1163                     }
1164                     if (renamedInUpload) {
1165                         String newName = (new File(uploadedRemotePath)).getName();
1166                         Toast msg = Toast.makeText(
1167                                 context,
1168                                 String.format(
1169                                         getString(R.string.filedetails_renamed_in_upload_msg),
1170                                         newName),
1171                                 Toast.LENGTH_LONG);
1172                         msg.show();
1173                     }
1174                     if (uploadWasFine || getFile().fileExists()) {
1175                         ((FileDetailFragment)details).updateFileDetails(false, true);
1176                     } else {
1177                         cleanSecondFragment();
1178                     }
1179
1180                     // Force the preview if the file is an image
1181                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1182                         startImagePreview(getFile());
1183                     } // TODO what about other kind of previews?
1184                 }
1185
1186             } finally {
1187                 if (intent != null) {
1188                     removeStickyBroadcast(intent);
1189                 }
1190             }
1191
1192         }
1193
1194     }
1195
1196
1197     /**
1198      * Class waiting for broadcast events from the {@link FileDownloader} service.
1199      *
1200      * Updates the UI when a download is started or finished, provided that it is relevant for the
1201      * current folder.
1202      */
1203     private class DownloadFinishReceiver extends BroadcastReceiver {
1204
1205         //int refreshCounter = 0;
1206         @Override
1207         public void onReceive(Context context, Intent intent) {
1208             try {
1209                 boolean sameAccount = isSameAccount(context, intent);
1210                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1211                 boolean isDescendant = isDescendant(downloadedRemotePath);
1212
1213                 if (sameAccount && isDescendant) {
1214                     String linkedToRemotePath = intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1215                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1216                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1217                         refreshListOfFilesFragment();
1218                     }
1219                     refreshSecondFragment(
1220                             intent.getAction(),
1221                             downloadedRemotePath,
1222                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1223                     );
1224                 }
1225
1226                 if (mWaitingToSend != null) {
1227                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1228                     if (mWaitingToSend.isDown()) {
1229                         sendDownloadedFile();
1230                     }
1231                 }
1232
1233             } finally {
1234                 if (intent != null) {
1235                     removeStickyBroadcast(intent);
1236                 }
1237             }
1238         }
1239
1240         private boolean isDescendant(String downloadedRemotePath) {
1241             OCFile currentDir = getCurrentDir();
1242             return (
1243                 currentDir != null &&
1244                 downloadedRemotePath != null &&
1245                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1246             );
1247         }
1248
1249         private boolean isAscendant(String linkedToRemotePath) {
1250             OCFile currentDir = getCurrentDir();
1251             return (
1252                 currentDir != null &&
1253                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1254             );
1255         }
1256
1257         private boolean isSameAccount(Context context, Intent intent) {
1258             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1259             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1260         }
1261     }
1262
1263
1264     public void browseToRoot() {
1265         OCFileListFragment listOfFiles = getListOfFilesFragment();
1266         if (listOfFiles != null) {  // should never be null, indeed
1267             while (mDirectories.getCount() > 1) {
1268                 popDirname();
1269             }
1270             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1271             listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1272             setFile(listOfFiles.getCurrentFile());
1273             startSyncFolderOperation(root, false);
1274         }
1275         cleanSecondFragment();
1276     }
1277
1278
1279     public void browseTo(OCFile folder) {
1280         if (folder == null || !folder.isFolder()) {
1281             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1282         }
1283         OCFileListFragment listOfFiles = getListOfFilesFragment();
1284         if (listOfFiles != null) {
1285             setNavigationListWithFolder(folder);
1286             listOfFiles.listDirectory(folder, MainApp.getOnlyOnDevice());
1287             setFile(listOfFiles.getCurrentFile());
1288             startSyncFolderOperation(folder, false);
1289         } else {
1290             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1291         }
1292         cleanSecondFragment();
1293     }
1294
1295
1296     /**
1297      * {@inheritDoc}
1298      *
1299      * Updates action bar and second fragment, if in dual pane mode.
1300      */
1301     @Override
1302     public void onBrowsedDownTo(OCFile directory) {
1303         pushDirname(directory);
1304         cleanSecondFragment();
1305
1306         // Sync Folder
1307         startSyncFolderOperation(directory, false);
1308
1309     }
1310
1311     /**
1312      * Shows the information of the {@link OCFile} received as a
1313      * parameter in the second fragment.
1314      *
1315      * @param file          {@link OCFile} whose details will be shown
1316      */
1317     @Override
1318     public void showDetails(OCFile file) {
1319         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1320         setSecondFragment(detailFragment);
1321         updateFragmentsVisibility(true);
1322         updateNavigationElementsInActionBar(file);
1323         setFile(file);
1324     }
1325
1326
1327     /**
1328      * TODO
1329      */
1330     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1331         ActionBar actionBar = getSupportActionBar();
1332
1333         // For adding content description tag to a title field in the action bar
1334         int actionBarTitleId = getResources().getIdentifier("action_bar_title", "id", "android");
1335
1336         if (chosenFile == null || mDualPane) {
1337             // only list of files - set for browsing through folders
1338             OCFile currentDir = getCurrentDir();
1339             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1340 //            actionBar.setDisplayHomeAsUpEnabled(noRoot);
1341 //            actionBar.setDisplayShowTitleEnabled(!noRoot);
1342             actionBar.setDisplayHomeAsUpEnabled(true);
1343             actionBar.setDisplayShowTitleEnabled(true);
1344             if (!noRoot) {
1345                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1346                 View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1347                 if (actionBarTitleView != null) {    // it's null in Android 2.x
1348                     actionBarTitleView.setContentDescription(getString(R.string.default_display_name_for_root_folder));
1349                 }
1350             }
1351             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1352             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1353
1354         } else {
1355             actionBar.setDisplayHomeAsUpEnabled(true);
1356             actionBar.setDisplayShowTitleEnabled(true);
1357             actionBar.setTitle(chosenFile.getFileName());
1358             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1359             View actionBarTitleView = getWindow().getDecorView().findViewById(actionBarTitleId);
1360             if (actionBarTitleView != null) {    // it's null in Android 2.x
1361                 getWindow().getDecorView().findViewById(actionBarTitleId).
1362                         setContentDescription(chosenFile.getFileName());
1363             }
1364         }
1365     }
1366
1367
1368     @Override
1369     protected ServiceConnection newTransferenceServiceConnection() {
1370         return new ListServiceConnection();
1371     }
1372
1373     /** Defines callbacks for service binding, passed to bindService() */
1374     private class ListServiceConnection implements ServiceConnection {
1375
1376         @Override
1377         public void onServiceConnected(ComponentName component, IBinder service) {
1378             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1379                 Log_OC.d(TAG, "Download service connected");
1380                 mDownloaderBinder = (FileDownloaderBinder) service;
1381                 if (mWaitingToPreview != null)
1382                     if (getStorageManager() != null) {
1383                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1384                         if (!mWaitingToPreview.isDown()) {
1385                             requestForDownload();
1386                         }
1387                 }
1388
1389             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1390                 Log_OC.d(TAG, "Upload service connected");
1391                 mUploaderBinder = (FileUploaderBinder) service;
1392             } else {
1393                 return;
1394             }
1395             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1396             OCFileListFragment listOfFiles = getListOfFilesFragment();
1397             if (listOfFiles != null) {
1398                 listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1399             }
1400             FileFragment secondFragment = getSecondFragment();
1401             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1402                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1403                 detailFragment.listenForTransferProgress();
1404                 detailFragment.updateFileDetails(false, false);
1405             }
1406         }
1407
1408         @Override
1409         public void onServiceDisconnected(ComponentName component) {
1410             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1411                 Log_OC.d(TAG, "Download service disconnected");
1412                 mDownloaderBinder = null;
1413             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1414                 Log_OC.d(TAG, "Upload service disconnected");
1415                 mUploaderBinder = null;
1416             }
1417         }
1418     };
1419
1420     @Override
1421     public void onSavedCertificate() {
1422         startSyncFolderOperation(getCurrentDir(), false);
1423     }
1424
1425
1426     @Override
1427     public void onFailedSavingCertificate() {
1428         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1429                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1430         );
1431         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1432     }
1433
1434     @Override
1435     public void onCancelCertificate() {
1436         // nothing to do
1437     }
1438
1439     /**
1440      * Updates the view associated to the activity after the finish of some operation over files
1441      * in the current account.
1442      *
1443      * @param operation     Removal operation performed.
1444      * @param result        Result of the removal.
1445      */
1446     @Override
1447     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1448         super.onRemoteOperationFinish(operation, result);
1449
1450         if (operation instanceof RemoveFileOperation) {
1451             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1452
1453         } else if (operation instanceof RenameFileOperation) {
1454             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1455
1456         } else if (operation instanceof SynchronizeFileOperation) {
1457             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1458
1459         } else if (operation instanceof CreateFolderOperation) {
1460             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1461
1462         } else if (operation instanceof CreateShareOperation) {
1463             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1464
1465         } else if (operation instanceof UnshareLinkOperation) {
1466             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1467
1468         } else if (operation instanceof MoveFileOperation) {
1469             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1470         }
1471
1472     }
1473
1474
1475     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1476         if (result.isSuccess()) {
1477             refreshShowDetails();
1478             refreshListOfFilesFragment();
1479         }
1480     }
1481
1482
1483     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1484         if (result.isSuccess()) {
1485             refreshShowDetails();
1486             refreshListOfFilesFragment();
1487
1488         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1489             cleanSecondFragment();
1490             refreshListOfFilesFragment();
1491         }
1492     }
1493
1494     private void refreshShowDetails() {
1495         FileFragment details = getSecondFragment();
1496         if (details != null) {
1497             OCFile file = details.getFile();
1498             if (file != null) {
1499                 file = getStorageManager().getFileByPath(file.getRemotePath());
1500                 if (details instanceof PreviewMediaFragment) {
1501                     // Refresh  OCFile of the fragment
1502                     ((PreviewMediaFragment) details).updateFile(file);
1503                 } else {
1504                     showDetails(file);
1505                 }
1506             }
1507             invalidateOptionsMenu();
1508         }
1509     }
1510
1511     /**
1512      * Updates the view associated to the activity after the finish of an operation trying to remove a
1513      * file.
1514      *
1515      * @param operation     Removal operation performed.
1516      * @param result        Result of the removal.
1517      */
1518     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1519         dismissLoadingDialog();
1520
1521         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1522                 Toast.LENGTH_LONG);
1523         msg.show();
1524
1525         if (result.isSuccess()) {
1526             OCFile removedFile = operation.getFile();
1527             FileFragment second = getSecondFragment();
1528             if (second != null && removedFile.equals(second.getFile())) {
1529                 if (second instanceof PreviewMediaFragment) {
1530                     ((PreviewMediaFragment)second).stopPreview(true);
1531                 }
1532                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1533                 cleanSecondFragment();
1534             }
1535             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1536                 refreshListOfFilesFragment();
1537             }
1538             invalidateOptionsMenu();
1539         } else {
1540             if (result.isSslRecoverableException()) {
1541                 mLastSslUntrustedServerResult = result;
1542                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1543             }
1544         }
1545     }
1546
1547
1548     /**
1549      * Updates the view associated to the activity after the finish of an operation trying to move a
1550      * file.
1551      *
1552      * @param operation     Move operation performed.
1553      * @param result        Result of the move operation.
1554      */
1555     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1556         if (result.isSuccess()) {
1557             dismissLoadingDialog();
1558             refreshListOfFilesFragment();
1559         } else {
1560             dismissLoadingDialog();
1561             try {
1562                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1563                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1564                         Toast.LENGTH_LONG);
1565                 msg.show();
1566
1567             } catch (NotFoundException e) {
1568                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1569             }
1570         }
1571     }
1572
1573
1574     /**
1575      * Updates the view associated to the activity after the finish of an operation trying to rename a
1576      * file.
1577      *
1578      * @param operation     Renaming operation performed.
1579      * @param result        Result of the renaming.
1580      */
1581     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1582         dismissLoadingDialog();
1583         OCFile renamedFile = operation.getFile();
1584         if (result.isSuccess()) {
1585             FileFragment details = getSecondFragment();
1586             if (details != null) {
1587                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1588                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1589                     showDetails(renamedFile);
1590
1591                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1592                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1593                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1594                         int position = ((PreviewMediaFragment)details).getPosition();
1595                         startMediaPreview(renamedFile, position, true);
1596                     } else {
1597                         getFileOperationsHelper().openFile(renamedFile);
1598                     }
1599                 }
1600             }
1601
1602             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1603                 refreshListOfFilesFragment();
1604             }
1605
1606         } else {
1607             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1608                     Toast.LENGTH_LONG);
1609             msg.show();
1610
1611             if (result.isSslRecoverableException()) {
1612                 mLastSslUntrustedServerResult = result;
1613                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1614             }
1615         }
1616     }
1617
1618     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1619         dismissLoadingDialog();
1620         OCFile syncedFile = operation.getLocalFile();
1621         if (!result.isSuccess()) {
1622             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1623                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1624                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1625                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1626                 startActivity(i);
1627
1628             }
1629
1630         } else {
1631             if (operation.transferWasRequested()) {
1632                 onTransferStateChanged(syncedFile, true, true);
1633
1634             } else {
1635                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1636                         Toast.LENGTH_LONG);
1637                 msg.show();
1638             }
1639         }
1640     }
1641
1642     /**
1643      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1644      *
1645      * @param operation     Creation operation performed.
1646      * @param result        Result of the creation.
1647      */
1648     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1649         if (result.isSuccess()) {
1650             dismissLoadingDialog();
1651             refreshListOfFilesFragment();
1652         } else {
1653             dismissLoadingDialog();
1654             try {
1655                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1656                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1657                         Toast.LENGTH_LONG);
1658                 msg.show();
1659
1660             } catch (NotFoundException e) {
1661                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1662             }
1663         }
1664     }
1665
1666
1667     /**
1668      * {@inheritDoc}
1669      */
1670     @Override
1671     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1672         refreshListOfFilesFragment();
1673         FileFragment details = getSecondFragment();
1674         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1675             if (downloading || uploading) {
1676                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1677             } else {
1678                 if (!file.fileExists()) {
1679                     cleanSecondFragment();
1680                 } else {
1681                     ((FileDetailFragment)details).updateFileDetails(false, true);
1682                 }
1683             }
1684         }
1685
1686     }
1687
1688
1689     private void requestForDownload() {
1690         Account account = getAccount();
1691         //if (!mWaitingToPreview.isDownloading()) {
1692         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1693             Intent i = new Intent(this, FileDownloader.class);
1694             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1695             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1696             startService(i);
1697         }
1698     }
1699
1700
1701     private OCFile getCurrentDir() {
1702         OCFile file = getFile();
1703         if (file != null) {
1704             if (file.isFolder()) {
1705                 return file;
1706             } else if (getStorageManager() != null) {
1707                 String parentPath = file.getRemotePath().substring(0,
1708                         file.getRemotePath().lastIndexOf(file.getFileName()));
1709                 return getStorageManager().getFileByPath(parentPath);
1710             }
1711         }
1712         return null;
1713     }
1714
1715     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1716         long currentSyncTime = System.currentTimeMillis();
1717
1718         mSyncInProgress = true;
1719
1720         // perform folder synchronization
1721         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1722                                                                         currentSyncTime,
1723                                                                         false,
1724                                                                         getFileOperationsHelper().isSharedSupported(),
1725                                                                         ignoreETag,
1726                                                                         getStorageManager(),
1727                                                                         getAccount(),
1728                                                                         getApplicationContext()
1729                                                                       );
1730         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1731
1732         setSupportProgressBarIndeterminateVisibility(true);
1733
1734         setBackgroundText();
1735     }
1736
1737     /**
1738      * Show untrusted cert dialog
1739      */
1740     public void showUntrustedCertDialog(RemoteOperationResult result) {
1741         // Show a dialog with the certificate info
1742         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1743                 (CertificateCombinedException) result.getException());
1744         FragmentManager fm = getSupportFragmentManager();
1745         FragmentTransaction ft = fm.beginTransaction();
1746         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1747     }
1748
1749     private void requestForDownload(OCFile file) {
1750         Account account = getAccount();
1751         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1752             Intent i = new Intent(this, FileDownloader.class);
1753             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1754             i.putExtra(FileDownloader.EXTRA_FILE, file);
1755             startService(i);
1756         }
1757     }
1758
1759     private void sendDownloadedFile(){
1760         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1761         mWaitingToSend = null;
1762     }
1763
1764
1765     /**
1766      * Requests the download of the received {@link OCFile} , updates the UI
1767      * to monitor the download progress and prepares the activity to send the file
1768      * when the download finishes.
1769      *
1770      * @param file          {@link OCFile} to download and preview.
1771      */
1772     public void startDownloadForSending(OCFile file) {
1773         mWaitingToSend = file;
1774         requestForDownload(mWaitingToSend);
1775         boolean hasSecondFragment = (getSecondFragment()!= null);
1776         updateFragmentsVisibility(hasSecondFragment);
1777     }
1778
1779     /**
1780      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1781      *
1782      * @param file                      Image {@link OCFile} to show.
1783      */
1784     public void startImagePreview(OCFile file) {
1785         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1786         showDetailsIntent.putExtra(EXTRA_FILE, file);
1787         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1788         startActivity(showDetailsIntent);
1789
1790     }
1791
1792     /**
1793      * Stars the preview of an already down media {@link OCFile}.
1794      *
1795      * @param file                      Media {@link OCFile} to preview.
1796      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1797      * @param autoplay                  When 'true', the playback will start without user interactions.
1798      */
1799     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1800         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1801         setSecondFragment(mediaFragment);
1802         updateFragmentsVisibility(true);
1803         updateNavigationElementsInActionBar(file);
1804         setFile(file);
1805     }
1806
1807     /**
1808      * Requests the download of the received {@link OCFile} , updates the UI
1809      * to monitor the download progress and prepares the activity to preview
1810      * or open the file when the download finishes.
1811      *
1812      * @param file          {@link OCFile} to download and preview.
1813      */
1814     public void startDownloadForPreview(OCFile file) {
1815         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1816         setSecondFragment(detailFragment);
1817         mWaitingToPreview = file;
1818         requestForDownload();
1819         updateFragmentsVisibility(true);
1820         updateNavigationElementsInActionBar(file);
1821         setFile(file);
1822     }
1823
1824
1825     public void cancelTransference(OCFile file) {
1826         getFileOperationsHelper().cancelTransference(file);
1827         if (mWaitingToPreview != null &&
1828                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1829             mWaitingToPreview = null;
1830         }
1831         if (mWaitingToSend != null &&
1832                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1833             mWaitingToSend = null;
1834         }
1835         onTransferStateChanged(file, false, false);
1836     }
1837
1838     @Override
1839     public void onRefresh(boolean ignoreETag) {
1840         refreshList(ignoreETag);
1841     }
1842
1843     @Override
1844     public void onRefresh() {
1845         refreshList(true);
1846     }
1847
1848     private void refreshList(boolean ignoreETag) {
1849         OCFileListFragment listOfFiles = getListOfFilesFragment();
1850         if (listOfFiles != null) {
1851             OCFile folder = listOfFiles.getCurrentFile();
1852             if (folder != null) {
1853                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1854                 listDirectory(mFile);*/
1855                 startSyncFolderOperation(folder, ignoreETag);
1856             }
1857         }
1858     }
1859
1860     private void sortByDate(boolean ascending){
1861         getListOfFilesFragment().sortByDate(ascending);
1862     }
1863
1864     private void sortBySize(boolean ascending){
1865         getListOfFilesFragment().sortBySize(ascending);
1866     }
1867
1868     private void sortByName(boolean ascending){
1869         getListOfFilesFragment().sortByName(ascending);
1870     }
1871
1872     public void restart(){
1873         Intent i = new Intent(this, FileDisplayActivity.class);
1874         i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
1875         startActivity(i);
1876     }
1877
1878     public void closeDrawer() {
1879         mDrawerLayout.closeDrawers();
1880     }
1881
1882 }