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