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

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