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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2015 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.annotation.SuppressLint;
  29 import android.annotation.TargetApi;
  30 import android.app.AlertDialog;
  31 import android.app.Dialog;
  32 import android.app.ProgressDialog;
  33 import android.content.BroadcastReceiver;
  34 import android.content.ComponentName;
  35 import android.content.ContentResolver;
  36 import android.content.ContentUris;
  37 import android.content.Context;
  38 import android.content.DialogInterface;
  39 import android.content.Intent;
  40 import android.content.IntentFilter;
  41 import android.content.ServiceConnection;
  42 import android.content.SharedPreferences;
  43 import android.content.SyncRequest;
  44 import android.content.res.Resources.NotFoundException;
  45 import android.database.Cursor;
  46 import android.net.Uri;
  47 import android.os.Build;
  48 import android.os.Bundle;
  49 import android.os.Environment;
  50 import android.os.IBinder;
  51 import android.preference.PreferenceManager;
  52 import android.provider.DocumentsContract;
  53 import android.provider.MediaStore;
  54 import android.provider.OpenableColumns;
  55 import android.support.v4.app.Fragment;
  56 import android.support.v4.app.FragmentManager;
  57 import android.support.v4.app.FragmentTransaction;
  58 import android.util.Log;
  59 import android.view.View;
  60 import android.view.ViewGroup;
  61 import android.widget.ArrayAdapter;
  62 import android.widget.TextView;
  63 import android.widget.Toast;
  64
  65 import com.actionbarsherlock.app.ActionBar;
  66 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  67 import com.actionbarsherlock.view.Menu;
  68 import com.actionbarsherlock.view.MenuInflater;
  69 import com.actionbarsherlock.view.MenuItem;
  70 import com.actionbarsherlock.view.Window;
  71 import com.owncloud.android.BuildConfig;
  72 import com.owncloud.android.MainApp;
  73 import com.owncloud.android.R;
  74 import com.owncloud.android.datamodel.OCFile;
  75 import com.owncloud.android.files.services.FileDownloader;
  76 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  77 import com.owncloud.android.files.services.FileUploader;
  78 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  79 import com.owncloud.android.lib.common.OwnCloudAccount;
  80 import com.owncloud.android.lib.common.OwnCloudClient;
  81 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  82 import com.owncloud.android.lib.common.OwnCloudCredentials;
  83 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  84 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  85 import com.owncloud.android.lib.common.operations.RemoteOperation;
  86 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  87 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  88 import com.owncloud.android.lib.common.utils.Log_OC;
  89 import com.owncloud.android.operations.CreateFolderOperation;
  90 import com.owncloud.android.operations.CreateShareOperation;
  91 import com.owncloud.android.operations.MoveFileOperation;
  92 import com.owncloud.android.operations.RemoveFileOperation;
  93 import com.owncloud.android.operations.RenameFileOperation;
  94 import com.owncloud.android.operations.SynchronizeFileOperation;
  95 import com.owncloud.android.operations.RefreshFolderOperation;
  96 import com.owncloud.android.operations.UnshareLinkOperation;
  97 import com.owncloud.android.services.observer.FileObserverService;
  98 import com.owncloud.android.syncadapter.FileSyncAdapter;
  99 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
 100 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
 101 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
 102 import com.owncloud.android.ui.fragment.FileDetailFragment;
 103 import com.owncloud.android.ui.fragment.FileFragment;
 104 import com.owncloud.android.ui.fragment.OCFileListFragment;
 105 import com.owncloud.android.ui.preview.PreviewImageActivity;
 106 import com.owncloud.android.ui.preview.PreviewImageFragment;
 107 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 108 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 109 import com.owncloud.android.utils.DisplayUtils;
 110 import com.owncloud.android.utils.ErrorMessageAdapter;
 111 import com.owncloud.android.utils.FileStorageUtils;
 112 import com.owncloud.android.utils.UriUtils;
 113
 114
 115 /**
 116  * Displays, what files the user has available in his ownCloud.
 117  *
 118  * @author Bartek Przybylski
 119  * @author David A. Velasco
 120  */
 121
 122 public class FileDisplayActivity extends HookActivity implements
 123 FileFragment.ContainerActivity, OnNavigationListener,
 124 OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 125
 126     private ArrayAdapter<String> mDirectories;
 127
 128     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 129     private UploadFinishReceiver mUploadFinishReceiver;
 130     private DownloadFinishReceiver mDownloadFinishReceiver;
 131     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 132
 133     private boolean mDualPane;
 134     private View mLeftFragmentContainer;
 135     private View mRightFragmentContainer;
 136
 137     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 138     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 139     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 140
 141     public static final int DIALOG_SHORT_WAIT = 0;
 142     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 143     private static final int DIALOG_CERT_NOT_SAVED = 2;
 144
 145     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 146
 147     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 148     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 149     public static final int ACTION_MOVE_FILES = 3;
 150
 151     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 152
 153     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 154     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 155
 156     private OCFile mWaitingToPreview;
 157
 158     private boolean mSyncInProgress = false;
 159
 160     private String DIALOG_UNTRUSTED_CERT;
 161
 162     private OCFile mWaitingToSend;
 163
 164     @Override
 165     protected void onCreate(Bundle savedInstanceState) {
 166         Log_OC.d(TAG, "onCreate() start");
 167         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 168
 169         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 170
 171         // PIN CODE request ;  best location is to decide, let's try this first
 172         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 173             requestPinCode();
 174         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 175             requestPinCode();
 176         }
 177
 178         /// grant that FileObserverService is watching favourite files
 179         if (savedInstanceState == null) {
 180             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 181             startService(initObserversIntent);
 182         }
 183
 184         /// Load of saved instance state
 185         if(savedInstanceState != null) {
 186             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 187             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 188             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 189
 190         } else {
 191             mWaitingToPreview = null;
 192             mSyncInProgress = false;
 193             mWaitingToSend = null;
 194         }
 195
 196         /// USER INTERFACE
 197
 198         // Inflate and set the layout view
 199         setContentView(R.layout.files);
 200         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 201         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 202         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 203         if (savedInstanceState == null) {
 204             createMinFragments();
 205         }
 206
 207         // Action bar setup
 208         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 209         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 210         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 211
 212         setBackgroundText();
 213
 214         Log_OC.d(TAG, "onCreate() end");
 215     }
 216
 217     @Override
 218     protected void onStart() {
 219         super.onStart();
 220         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 221     }
 222
 223     @Override
 224     protected void onDestroy() {
 225         super.onDestroy();
 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.e(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 =
 484                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 485             dialog.show(getSupportFragmentManager(), "createdirdialog");
 486             break;
 487         }
 488         case R.id.action_sync_account: {
 489             startSynchronization();
 490             break;
 491         }
 492         case R.id.action_upload: {
 493             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 494             break;
 495         }
 496         case R.id.action_settings: {
 497             Intent settingsIntent = new Intent(this, Preferences.class);
 498             startActivity(settingsIntent);
 499             break;
 500         }
 501         case R.id.action_logger: {
 502             Intent loggerIntent = new Intent(getApplicationContext(),LogHistoryActivity.class);
 503             startActivity(loggerIntent);
 504             break;
 505         }
 506         case android.R.id.home: {
 507             FileFragment second = getSecondFragment();
 508             OCFile currentDir = getCurrentDir();
 509             if((currentDir != null && currentDir.getParentId() != 0) ||
 510                     (second != null && second.getFile() != null)) {
 511                 onBackPressed();
 512
 513             }
 514             break;
 515         }
 516         case R.id.action_sort: {
 517             SharedPreferences appPreferences = PreferenceManager
 518                     .getDefaultSharedPreferences(this);
 519
 520             // Read sorting order, default to sort by name ascending
 521             Integer sortOrder = appPreferences
 522                     .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 523
 524             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 525             builder.setTitle(R.string.actionbar_sort_title)
 526             .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
 527                 public void onClick(DialogInterface dialog, int which) {
 528
 529                     switch (which){
 530                     case 0:
 531                         sortByName(true);
 532                         break;
 533                     case 1:
 534                         sortByDate(false);
 535                         break;
 536
 537 // TODO re-enable when server-side folder size calculation is available
 538 //                    case 2:
 539 //                        sortBySize(false);
 540 //                        break;
 541                     }
 542
 543                     dialog.dismiss();
 544
 545                 }
 546             });
 547             builder.create().show();
 548             break;
 549         }
 550         default:
 551             retval = super.onOptionsItemSelected(item);
 552         }
 553         return retval;
 554     }
 555
 556     private void startSynchronization() {
 557         Log_OC.e(TAG, "Got to start sync");
 558         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 559             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 560             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 561             Bundle bundle = new Bundle();
 562             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 563             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 564             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 565             ContentResolver.requestSync(
 566                     getAccount(),
 567                     MainApp.getAuthority(), bundle);
 568         } else {
 569             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 570             SyncRequest.Builder builder = new SyncRequest.Builder();
 571             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 572             builder.setExpedited(true);
 573             builder.setManual(true);
 574             builder.syncOnce();
 575
 576             // Fix bug in Android Lollipop when you click on refresh the whole account
 577             Bundle extras = new Bundle();
 578             builder.setExtras(extras);
 579
 580             SyncRequest request = builder.build();
 581             ContentResolver.requestSync(request);
 582         }
 583     }
 584
 585
 586     @Override
 587     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 588         if (itemPosition != 0) {
 589             String targetPath = "";
 590             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 591                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 592             }
 593             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 594             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 595             if (targetFolder != null) {
 596                 browseTo(targetFolder);
 597             }
 598
 599             // the next operation triggers a new call to this method, but it's necessary to
 600             // ensure that the name exposed in the action bar is the current directory when the
 601             // user selected it in the navigation list
 602             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 603                 getSupportActionBar().setSelectedNavigationItem(0);
 604         }
 605         return true;
 606     }
 607
 608     /**
 609      * Called, when the user selected something for uploading
 610      *
 611      */
 612     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 613     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 614         super.onActivityResult(requestCode, resultCode, data);
 615
 616         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 617             //getClipData is only supported on api level 16+, Jelly Bean
 618             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 619                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 620                     Intent intent = new Intent();
 621                     intent.setData(data.getClipData().getItemAt(i).getUri());
 622                     requestSimpleUpload(intent, resultCode);
 623                 }
 624             }else {
 625                 requestSimpleUpload(data, resultCode);
 626             }
 627         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 628             requestMultipleUpload(data, resultCode);
 629
 630         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK){
 631
 632             final Intent fData = data;
 633             final int fResultCode = resultCode;
 634             getHandler().postDelayed(
 635                 new Runnable() {
 636                     @Override
 637                     public void run() {
 638                         requestMoveOperation(fData, fResultCode);
 639                     }
 640                 },
 641                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 642             );
 643         }
 644     }
 645
 646     private void requestMultipleUpload(Intent data, int resultCode) {
 647         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 648         if (filePaths != null) {
 649             String[] remotePaths = new String[filePaths.length];
 650             String remotePathBase = "";
 651
 652             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 653                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 654             }
 655             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 656                 remotePathBase += OCFile.PATH_SEPARATOR;
 657             for (int j = 0; j< remotePaths.length; j++) {
 658                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 659             }
 660
 661             Intent i = new Intent(this, FileUploader.class);
 662             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 663             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 664             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 665             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 666             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 667                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 668             startService(i);
 669
 670         } else {
 671             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 672             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 673             t.show();
 674             return;
 675         }
 676     }
 677
 678
 679     private void requestSimpleUpload(Intent data, int resultCode) {
 680         String filepath = null;
 681         String mimeType = null;
 682
 683         Uri selectedImageUri = data.getData();
 684
 685         try {
 686             mimeType = getContentResolver().getType(selectedImageUri);
 687
 688             String filemanagerstring = selectedImageUri.getPath();
 689             String selectedImagePath = getPath(selectedImageUri);
 690
 691             if (selectedImagePath != null)
 692                 filepath = selectedImagePath;
 693             else
 694                 filepath = filemanagerstring;
 695
 696         } catch (Exception e) {
 697             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 698             e.printStackTrace();
 699
 700         } finally {
 701             if (filepath == null) {
 702                 Log_OC.e(TAG, "Couldnt resolve path to file");
 703                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 704                 t.show();
 705                 return;
 706             }
 707         }
 708
 709         Intent i = new Intent(this, FileUploader.class);
 710         i.putExtra(FileUploader.KEY_ACCOUNT,
 711                 getAccount());
 712         String remotepath = new String();
 713         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 714             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 715         }
 716         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 717             remotepath += OCFile.PATH_SEPARATOR;
 718
 719         if (filepath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 720
 721             Cursor cursor = MainApp.getAppContext().getContentResolver()
 722                     .query(Uri.parse(filepath), null, null, null, null, null);
 723
 724             try {
 725                 if (cursor != null && cursor.moveToFirst()) {
 726                     String displayName = cursor.getString(
 727                             cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
 728                     Log.i(TAG, "Display Name: " + displayName + "; mimeType: " + mimeType);
 729
 730                     displayName.replace(File.separatorChar, '_');
 731                     displayName.replace(File.pathSeparatorChar, '_');
 732                     remotepath += displayName + DisplayUtils.getComposedFileExtension(filepath);
 733
 734                 }
 735             } finally {
 736                 cursor.close();
 737             }
 738
 739         } else {
 740             remotepath += new File(filepath).getName();
 741         }
 742
 743         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 744         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 745         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 746         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 747         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 748             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 749         startService(i);
 750     }
 751
 752     /**
 753      * Request the operation for moving the file/folder from one path to another
 754      *
 755      * @param data              Intent received
 756      * @param resultCode        Result code received
 757      */
 758     private void requestMoveOperation(Intent data, int resultCode) {
 759         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 760         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 761         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 762     }
 763
 764     @Override
 765     public void onBackPressed() {
 766         OCFileListFragment listOfFiles = getListOfFilesFragment();
 767         if (mDualPane || getSecondFragment() == null) {
 768             if (listOfFiles != null) {  // should never be null, indeed
 769                 if (mDirectories.getCount() <= 1) {
 770                     finish();
 771                     return;
 772                 }
 773                 int levelsUp = listOfFiles.onBrowseUp();
 774                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 775                     popDirname();
 776                 }
 777             }
 778         }
 779         if (listOfFiles != null) {  // should never be null, indeed
 780             setFile(listOfFiles.getCurrentFile());
 781         }
 782         cleanSecondFragment();
 783
 784     }
 785
 786     @Override
 787     protected void onSaveInstanceState(Bundle outState) {
 788         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 789         Log_OC.e(TAG, "onSaveInstanceState() start");
 790         super.onSaveInstanceState(outState);
 791         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 792         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 793         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 794         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 795
 796         Log_OC.d(TAG, "onSaveInstanceState() end");
 797     }
 798
 799
 800
 801     @Override
 802     protected void onResume() {
 803         super.onResume();
 804         Log_OC.e(TAG, "onResume() start");
 805
 806         // refresh list of files
 807         refreshListOfFilesFragment();
 808
 809         // Listen for sync messages
 810         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 811         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 812         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 813         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 814         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 815         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 816         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 817         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 818
 819         // Listen for upload messages
 820         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 821         mUploadFinishReceiver = new UploadFinishReceiver();
 822         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 823
 824         // Listen for download messages
 825         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 826         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 827         mDownloadFinishReceiver = new DownloadFinishReceiver();
 828         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 829
 830         Log_OC.d(TAG, "onResume() end");
 831     }
 832
 833
 834     @Override
 835     protected void onPause() {
 836         Log_OC.e(TAG, "onPause() start");
 837         if (mSyncBroadcastReceiver != null) {
 838             unregisterReceiver(mSyncBroadcastReceiver);
 839             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 840             mSyncBroadcastReceiver = null;
 841         }
 842         if (mUploadFinishReceiver != null) {
 843             unregisterReceiver(mUploadFinishReceiver);
 844             mUploadFinishReceiver = null;
 845         }
 846         if (mDownloadFinishReceiver != null) {
 847             unregisterReceiver(mDownloadFinishReceiver);
 848             mDownloadFinishReceiver = null;
 849         }
 850
 851
 852         Log_OC.d(TAG, "onPause() end");
 853         super.onPause();
 854     }
 855
 856
 857     @Override
 858     protected Dialog onCreateDialog(int id) {
 859         Dialog dialog = null;
 860         AlertDialog.Builder builder;
 861         switch (id) {
 862         case DIALOG_SHORT_WAIT: {
 863             ProgressDialog working_dialog = new ProgressDialog(this);
 864             working_dialog.setMessage(getResources().getString(
 865                     R.string.wait_a_moment));
 866             working_dialog.setIndeterminate(true);
 867             working_dialog.setCancelable(false);
 868             dialog = working_dialog;
 869             break;
 870         }
 871         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 872
 873
 874             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 875                     getString(R.string.actionbar_upload_from_apps) };
 876
 877             builder = new AlertDialog.Builder(this);
 878             builder.setTitle(R.string.actionbar_upload);
 879             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 880                 public void onClick(DialogInterface dialog, int item) {
 881                     if (item == 0) {
 882                         // if (!mDualPane) {
 883                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 884                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 885                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 886                             // } else {
 887                             // TODO create and handle new fragment
 888                             // LocalFileListFragment
 889                             // }
 890                     } else if (item == 1) {
 891                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 892                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 893                         //Intent.EXTRA_ALLOW_MULTIPLE is only supported on api level 18+, Jelly Bean
 894                         if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 895                             action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 896                         }
 897                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 898                                 ACTION_SELECT_CONTENT_FROM_APPS);
 899                     }
 900                 }
 901             });
 902             dialog = builder.create();
 903             break;
 904         }
 905         case DIALOG_CERT_NOT_SAVED: {
 906             builder = new AlertDialog.Builder(this);
 907             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 908             builder.setCancelable(false);
 909             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 910                 @Override
 911                 public void onClick(DialogInterface dialog, int which) {
 912                     dialog.dismiss();
 913                 };
 914             });
 915             dialog = builder.create();
 916             break;
 917         }
 918         default:
 919             dialog = null;
 920         }
 921
 922         return dialog;
 923     }
 924
 925     /**
 926      * Translates a content URI of an content to a physical path on the disk
 927      *
 928      * @param uri The URI to resolve
 929      * @return The path to the content or null if it could not be found
 930      */
 931     public String getPath(Uri uri) {
 932         final boolean isKitKatOrLater = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
 933
 934         // DocumentProvider
 935         if (isKitKatOrLater && DocumentsContract.isDocumentUri(getApplicationContext(), uri)) {
 936             // ExternalStorageProvider
 937             if (UriUtils.isExternalStorageDocument(uri)) {
 938                 final String docId = DocumentsContract.getDocumentId(uri);
 939                 final String[] split = docId.split(":");
 940                 final String type = split[0];
 941
 942                 if ("primary".equalsIgnoreCase(type)) {
 943                     return Environment.getExternalStorageDirectory() + "/" + split[1];
 944                 }
 945             }
 946             // DownloadsProvider
 947             else if (UriUtils.isDownloadsDocument(uri)) {
 948
 949                 final String id = DocumentsContract.getDocumentId(uri);
 950                 final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
 951                         Long.valueOf(id));
 952
 953                 return UriUtils.getDataColumn(getApplicationContext(), contentUri, null, null);
 954             }
 955             // MediaProvider
 956             else if (UriUtils.isMediaDocument(uri)) {
 957                 final String docId = DocumentsContract.getDocumentId(uri);
 958                 final String[] split = docId.split(":");
 959                 final String type = split[0];
 960
 961                 Uri contentUri = null;
 962                 if ("image".equals(type)) {
 963                     contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
 964                 } else if ("video".equals(type)) {
 965                     contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
 966                 } else if ("audio".equals(type)) {
 967                     contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
 968                 }
 969
 970                 final String selection = "_id=?";
 971                 final String[] selectionArgs = new String[] { split[1] };
 972
 973                 return UriUtils.getDataColumn(getApplicationContext(), contentUri, selection, selectionArgs);
 974             }
 975             // Documents providers returned as content://...
 976             else if (UriUtils.isContentDocument(uri)) {
 977                 return uri.toString();
 978             }
 979         }
 980         // MediaStore (and general)
 981         else if ("content".equalsIgnoreCase(uri.getScheme())) {
 982
 983             // Return the remote address
 984             if (UriUtils.isGooglePhotosUri(uri))
 985                 return uri.getLastPathSegment();
 986
 987             return UriUtils.getDataColumn(getApplicationContext(), uri, null, null);
 988         }
 989         // File
 990         else if ("file".equalsIgnoreCase(uri.getScheme())) {
 991             return uri.getPath();
 992         }
 993         return null;
 994     }
 995
 996     /**
 997      * Pushes a directory to the drop down list
 998      * @param directory to push
 999      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
1000      */
1001     public void pushDirname(OCFile directory) {
1002         if(!directory.isFolder()){
1003             throw new IllegalArgumentException("Only directories may be pushed!");
1004         }
1005         mDirectories.insert(directory.getFileName(), 0);
1006         setFile(directory);
1007     }
1008
1009     /**
1010      * Pops a directory name from the drop down list
1011      * @return True, unless the stack is empty
1012      */
1013     public boolean popDirname() {
1014         mDirectories.remove(mDirectories.getItem(0));
1015         return !mDirectories.isEmpty();
1016     }
1017
1018     // Custom array adapter to override text colors
1019     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
1020
1021         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
1022             super(ctx, view);
1023         }
1024
1025         public View getView(int position, View convertView, ViewGroup parent) {
1026             View v = super.getView(position, convertView, parent);
1027
1028             ((TextView) v).setTextColor(getResources().getColorStateList(
1029                     android.R.color.white));
1030
1031             fixRoot((TextView) v );
1032             return v;
1033         }
1034
1035         public View getDropDownView(int position, View convertView,
1036                 ViewGroup parent) {
1037             View v = super.getDropDownView(position, convertView, parent);
1038
1039             ((TextView) v).setTextColor(getResources().getColorStateList(
1040                     android.R.color.white));
1041
1042             fixRoot((TextView) v );
1043             return v;
1044         }
1045
1046         private void fixRoot(TextView v) {
1047             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
1048                 v.setText(R.string.default_display_name_for_root_folder);
1049             }
1050         }
1051
1052     }
1053
1054     private class SyncBroadcastReceiver extends BroadcastReceiver {
1055
1056         /**
1057          * {@link BroadcastReceiver} to enable syncing feedback in UI
1058          */
1059         @Override
1060         public void onReceive(Context context, Intent intent) {
1061             try {
1062                 String event = intent.getAction();
1063                 Log_OC.d(TAG, "Received broadcast " + event);
1064                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
1065                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
1066                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
1067                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
1068
1069                 if (sameAccount) {
1070
1071                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
1072                         mSyncInProgress = true;
1073
1074                     } else {
1075                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
1076                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
1077
1078                         if (currentDir == null) {
1079                             // current folder was removed from the server
1080                             Toast.makeText( FileDisplayActivity.this,
1081                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
1082                                             Toast.LENGTH_LONG)
1083                                 .show();
1084                             browseToRoot();
1085
1086                         } else {
1087                             if (currentFile == null && !getFile().isFolder()) {
1088                                 // currently selected file was removed in the server, and now we know it
1089                                 cleanSecondFragment();
1090                                 currentFile = currentDir;
1091                             }
1092
1093                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
1094                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
1095                                 if (fileListFragment != null) {
1096                                     fileListFragment.listDirectory(currentDir);
1097                                 }
1098                             }
1099                             setFile(currentFile);
1100                         }
1101
1102                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
1103
1104                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
1105                                     equals(event) &&
1106                                 /// TODO refactor and make common
1107                                 synchResult != null && !synchResult.isSuccess() &&
1108                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
1109                                     synchResult.isIdPRedirection()                  ||
1110                                     (synchResult.isException() && synchResult.getException()
1111                                             instanceof AuthenticatorException))) {
1112
1113                             OwnCloudClient client = null;
1114                             try {
1115                                 OwnCloudAccount ocAccount =
1116                                         new OwnCloudAccount(getAccount(), context);
1117                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
1118                                         removeClientFor(ocAccount));
1119                                 // TODO get rid of these exceptions
1120                             } catch (AccountNotFoundException e) {
1121                                 e.printStackTrace();
1122                             } catch (AuthenticatorException e) {
1123                                 e.printStackTrace();
1124                             } catch (OperationCanceledException e) {
1125                                 e.printStackTrace();
1126                             } catch (IOException e) {
1127                                 e.printStackTrace();
1128                             }
1129
1130                             if (client != null) {
1131                                 OwnCloudCredentials cred = client.getCredentials();
1132                                 if (cred != null) {
1133                                     AccountManager am = AccountManager.get(context);
1134                                     if (cred.authTokenExpires()) {
1135                                         am.invalidateAuthToken(
1136                                                 getAccount().type,
1137                                                 cred.getAuthToken()
1138                                         );
1139                                     } else {
1140                                         am.clearPassword(getAccount());
1141                                     }
1142                                 }
1143                             }
1144
1145                             requestCredentialsUpdate();
1146
1147                         }
1148                     }
1149                     removeStickyBroadcast(intent);
1150                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
1151                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
1152
1153                     setBackgroundText();
1154
1155                 }
1156
1157                 if (synchResult != null) {
1158                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1159                         mLastSslUntrustedServerResult = synchResult;
1160                     }
1161                 }
1162             } catch (RuntimeException e) {
1163                 // avoid app crashes after changing the serial id of RemoteOperationResult
1164                 // in owncloud library with broadcast notifications pending to process
1165                 removeStickyBroadcast(intent);
1166             }
1167         }
1168     }
1169
1170     /**
1171      * Show a text message on screen view for notifying user if content is
1172      * loading or folder is empty
1173      */
1174     private void setBackgroundText() {
1175         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1176         if (ocFileListFragment != null) {
1177             int message = R.string.file_list_loading;
1178             if (!mSyncInProgress) {
1179                 // In case file list is empty
1180                 message = R.string.file_list_empty;
1181             }
1182             ocFileListFragment.setMessageForEmptyList(getString(message));
1183         } else {
1184             Log_OC.e(TAG, "OCFileListFragment is null");
1185         }
1186     }
1187
1188     /**
1189      * Once the file upload has finished -> update view
1190      */
1191     private class UploadFinishReceiver extends BroadcastReceiver {
1192         /**
1193          * Once the file upload has finished -> update view
1194          *  @author David A. Velasco
1195          * {@link BroadcastReceiver} to enable upload feedback in UI
1196          */
1197         @Override
1198         public void onReceive(Context context, Intent intent) {
1199             try {
1200                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1201                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1202                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1203                 OCFile currentDir = getCurrentDir();
1204                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1205                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1206
1207                 if (sameAccount && isDescendant) {
1208                     refreshListOfFilesFragment();
1209                 }
1210
1211                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1212                 boolean renamedInUpload = getFile().getRemotePath().
1213                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1214                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1215                         renamedInUpload;
1216                 FileFragment details = getSecondFragment();
1217                 boolean detailFragmentIsShown = (details != null &&
1218                         details instanceof FileDetailFragment);
1219
1220                 if (sameAccount && sameFile && detailFragmentIsShown) {
1221                     if (uploadWasFine) {
1222                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1223                     }
1224                     if (renamedInUpload) {
1225                         String newName = (new File(uploadedRemotePath)).getName();
1226                         Toast msg = Toast.makeText(
1227                                 context,
1228                                 String.format(
1229                                         getString(R.string.filedetails_renamed_in_upload_msg),
1230                                         newName),
1231                                 Toast.LENGTH_LONG);
1232                         msg.show();
1233                     }
1234                     if (uploadWasFine || getFile().fileExists()) {
1235                         ((FileDetailFragment)details).updateFileDetails(false, true);
1236                     } else {
1237                         cleanSecondFragment();
1238                     }
1239
1240                     // Force the preview if the file is an image
1241                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1242                         startImagePreview(getFile());
1243                     } // TODO what about other kind of previews?
1244                 }
1245
1246             } finally {
1247                 if (intent != null) {
1248                     removeStickyBroadcast(intent);
1249                 }
1250             }
1251
1252         }
1253
1254     }
1255
1256
1257     /**
1258      * Class waiting for broadcast events from the {@link FileDownloader} service.
1259      *
1260      * Updates the UI when a download is started or finished, provided that it is relevant for the
1261      * current folder.
1262      */
1263     private class DownloadFinishReceiver extends BroadcastReceiver {
1264
1265         //int refreshCounter = 0;
1266         @Override
1267         public void onReceive(Context context, Intent intent) {
1268             try {
1269                 boolean sameAccount = isSameAccount(context, intent);
1270                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1271                 boolean isDescendant = isDescendant(downloadedRemotePath);
1272
1273                 if (sameAccount && isDescendant) {
1274                     String linkedToRemotePath = intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1275                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1276                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1277                         refreshListOfFilesFragment();
1278                     }
1279                     refreshSecondFragment(
1280                             intent.getAction(),
1281                             downloadedRemotePath,
1282                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1283                     );
1284                 }
1285
1286                 if (mWaitingToSend != null) {
1287                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1288                     if (mWaitingToSend.isDown()) {
1289                         sendDownloadedFile();
1290                     }
1291                 }
1292
1293             } finally {
1294                 if (intent != null) {
1295                     removeStickyBroadcast(intent);
1296                 }
1297             }
1298         }
1299
1300         private boolean isDescendant(String downloadedRemotePath) {
1301             OCFile currentDir = getCurrentDir();
1302             return (
1303                 currentDir != null &&
1304                 downloadedRemotePath != null &&
1305                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1306             );
1307         }
1308
1309         private boolean isAscendant(String linkedToRemotePath) {
1310             OCFile currentDir = getCurrentDir();
1311             return (
1312                 currentDir != null &&
1313                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1314             );
1315         }
1316
1317         private boolean isSameAccount(Context context, Intent intent) {
1318             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1319             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1320         }
1321     }
1322
1323
1324     public void browseToRoot() {
1325         OCFileListFragment listOfFiles = getListOfFilesFragment();
1326         if (listOfFiles != null) {  // should never be null, indeed
1327             while (mDirectories.getCount() > 1) {
1328                 popDirname();
1329             }
1330             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1331             listOfFiles.listDirectory(root);
1332             setFile(listOfFiles.getCurrentFile());
1333             startSyncFolderOperation(root, false);
1334         }
1335         cleanSecondFragment();
1336     }
1337
1338
1339     public void browseTo(OCFile folder) {
1340         if (folder == null || !folder.isFolder()) {
1341             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1342         }
1343         OCFileListFragment listOfFiles = getListOfFilesFragment();
1344         if (listOfFiles != null) {
1345             setNavigationListWithFolder(folder);
1346             listOfFiles.listDirectory(folder);
1347             setFile(listOfFiles.getCurrentFile());
1348             startSyncFolderOperation(folder, false);
1349         } else {
1350             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1351         }
1352         cleanSecondFragment();
1353     }
1354
1355
1356     /**
1357      * {@inheritDoc}
1358      *
1359      * Updates action bar and second fragment, if in dual pane mode.
1360      */
1361     @Override
1362     public void onBrowsedDownTo(OCFile directory) {
1363         pushDirname(directory);
1364         cleanSecondFragment();
1365
1366         // Sync Folder
1367         startSyncFolderOperation(directory, false);
1368
1369     }
1370
1371     /**
1372      * Shows the information of the {@link OCFile} received as a
1373      * parameter in the second fragment.
1374      *
1375      * @param file          {@link OCFile} whose details will be shown
1376      */
1377     @Override
1378     public void showDetails(OCFile file) {
1379         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1380         setSecondFragment(detailFragment);
1381         updateFragmentsVisibility(true);
1382         updateNavigationElementsInActionBar(file);
1383         setFile(file);
1384     }
1385
1386
1387     /**
1388      * TODO
1389      */
1390     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1391         ActionBar actionBar = getSupportActionBar();
1392         if (chosenFile == null || mDualPane) {
1393             // only list of files - set for browsing through folders
1394             OCFile currentDir = getCurrentDir();
1395             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1396             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1397             actionBar.setDisplayShowTitleEnabled(!noRoot);
1398             if (!noRoot) {
1399                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1400             }
1401             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1402             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1403
1404         } else {
1405             actionBar.setDisplayHomeAsUpEnabled(true);
1406             actionBar.setDisplayShowTitleEnabled(true);
1407             actionBar.setTitle(chosenFile.getFileName());
1408             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1409         }
1410     }
1411
1412
1413     @Override
1414     protected ServiceConnection newTransferenceServiceConnection() {
1415         return new ListServiceConnection();
1416     }
1417
1418     /** Defines callbacks for service binding, passed to bindService() */
1419     private class ListServiceConnection implements ServiceConnection {
1420
1421         @Override
1422         public void onServiceConnected(ComponentName component, IBinder service) {
1423             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1424                 Log_OC.d(TAG, "Download service connected");
1425                 mDownloaderBinder = (FileDownloaderBinder) service;
1426                 if (mWaitingToPreview != null)
1427                     if (getStorageManager() != null) {
1428                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1429                         if (!mWaitingToPreview.isDown()) {
1430                             requestForDownload();
1431                         }
1432                 }
1433
1434             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1435                 Log_OC.d(TAG, "Upload service connected");
1436                 mUploaderBinder = (FileUploaderBinder) service;
1437             } else {
1438                 return;
1439             }
1440             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1441             OCFileListFragment listOfFiles = getListOfFilesFragment();
1442             if (listOfFiles != null) {
1443                 listOfFiles.listDirectory();
1444             }
1445             FileFragment secondFragment = getSecondFragment();
1446             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1447                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1448                 detailFragment.listenForTransferProgress();
1449                 detailFragment.updateFileDetails(false, false);
1450             }
1451         }
1452
1453         @Override
1454         public void onServiceDisconnected(ComponentName component) {
1455             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1456                 Log_OC.d(TAG, "Download service disconnected");
1457                 mDownloaderBinder = null;
1458             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1459                 Log_OC.d(TAG, "Upload service disconnected");
1460                 mUploaderBinder = null;
1461             }
1462         }
1463     };
1464
1465
1466
1467     /**
1468      * Launch an intent to request the PIN code to the user before letting him use the app
1469      */
1470     private void requestPinCode() {
1471         boolean pinStart = false;
1472         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1473         pinStart = appPrefs.getBoolean("set_pincode", false);
1474         if (pinStart) {
1475             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1476             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1477             startActivity(i);
1478         }
1479     }
1480
1481
1482     @Override
1483     public void onSavedCertificate() {
1484         startSyncFolderOperation(getCurrentDir(), false);
1485     }
1486
1487
1488     @Override
1489     public void onFailedSavingCertificate() {
1490         showDialog(DIALOG_CERT_NOT_SAVED);
1491     }
1492
1493     @Override
1494     public void onCancelCertificate() {
1495         // nothing to do
1496     }
1497
1498     /**
1499      * Updates the view associated to the activity after the finish of some operation over files
1500      * in the current account.
1501      *
1502      * @param operation     Removal operation performed.
1503      * @param result        Result of the removal.
1504      */
1505     @Override
1506     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1507         super.onRemoteOperationFinish(operation, result);
1508
1509         if (operation instanceof RemoveFileOperation) {
1510             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1511
1512         } else if (operation instanceof RenameFileOperation) {
1513             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1514
1515         } else if (operation instanceof SynchronizeFileOperation) {
1516             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1517
1518         } else if (operation instanceof CreateFolderOperation) {
1519             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1520
1521         } else if (operation instanceof CreateShareOperation) {
1522             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1523
1524         } else if (operation instanceof UnshareLinkOperation) {
1525             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1526
1527         } else if (operation instanceof MoveFileOperation) {
1528             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1529         }
1530
1531     }
1532
1533
1534     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1535         if (result.isSuccess()) {
1536             refreshShowDetails();
1537             refreshListOfFilesFragment();
1538         }
1539     }
1540
1541
1542     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1543         if (result.isSuccess()) {
1544             refreshShowDetails();
1545             refreshListOfFilesFragment();
1546
1547         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1548             cleanSecondFragment();
1549             refreshListOfFilesFragment();
1550         }
1551     }
1552
1553     private void refreshShowDetails() {
1554         FileFragment details = getSecondFragment();
1555         if (details != null) {
1556             OCFile file = details.getFile();
1557             if (file != null) {
1558                 file = getStorageManager().getFileByPath(file.getRemotePath());
1559                 if (details instanceof PreviewMediaFragment) {
1560                     // Refresh  OCFile of the fragment
1561                     ((PreviewMediaFragment) details).updateFile(file);
1562                 } else {
1563                     showDetails(file);
1564                 }
1565             }
1566             invalidateOptionsMenu();
1567         }
1568     }
1569
1570     /**
1571      * Updates the view associated to the activity after the finish of an operation trying to remove a
1572      * file.
1573      *
1574      * @param operation     Removal operation performed.
1575      * @param result        Result of the removal.
1576      */
1577     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1578         dismissLoadingDialog();
1579
1580         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1581                 Toast.LENGTH_LONG);
1582         msg.show();
1583
1584         if (result.isSuccess()) {
1585             OCFile removedFile = operation.getFile();
1586             FileFragment second = getSecondFragment();
1587             if (second != null && removedFile.equals(second.getFile())) {
1588                 if (second instanceof PreviewMediaFragment) {
1589                     ((PreviewMediaFragment)second).stopPreview(true);
1590                 }
1591                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1592                 cleanSecondFragment();
1593             }
1594             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1595                 refreshListOfFilesFragment();
1596             }
1597             invalidateOptionsMenu();
1598         } else {
1599             if (result.isSslRecoverableException()) {
1600                 mLastSslUntrustedServerResult = result;
1601                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1602             }
1603         }
1604     }
1605
1606
1607     /**
1608      * Updates the view associated to the activity after the finish of an operation trying to move a
1609      * file.
1610      *
1611      * @param operation     Move operation performed.
1612      * @param result        Result of the move operation.
1613      */
1614     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1615         if (result.isSuccess()) {
1616             dismissLoadingDialog();
1617             refreshListOfFilesFragment();
1618         } else {
1619             dismissLoadingDialog();
1620             try {
1621                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1622                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1623                         Toast.LENGTH_LONG);
1624                 msg.show();
1625
1626             } catch (NotFoundException e) {
1627                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1628             }
1629         }
1630     }
1631
1632
1633     /**
1634      * Updates the view associated to the activity after the finish of an operation trying to rename a
1635      * file.
1636      *
1637      * @param operation     Renaming operation performed.
1638      * @param result        Result of the renaming.
1639      */
1640     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1641         dismissLoadingDialog();
1642         OCFile renamedFile = operation.getFile();
1643         if (result.isSuccess()) {
1644             FileFragment details = getSecondFragment();
1645             if (details != null) {
1646                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1647                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1648                     showDetails(renamedFile);
1649
1650                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1651                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1652                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1653                         int position = ((PreviewMediaFragment)details).getPosition();
1654                         startMediaPreview(renamedFile, position, true);
1655                     } else {
1656                         getFileOperationsHelper().openFile(renamedFile);
1657                     }
1658                 }
1659             }
1660
1661             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1662                 refreshListOfFilesFragment();
1663             }
1664
1665         } else {
1666             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1667                     Toast.LENGTH_LONG);
1668             msg.show();
1669
1670             if (result.isSslRecoverableException()) {
1671                 mLastSslUntrustedServerResult = result;
1672                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1673             }
1674         }
1675     }
1676
1677     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1678         dismissLoadingDialog();
1679         OCFile syncedFile = operation.getLocalFile();
1680         if (!result.isSuccess()) {
1681             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1682                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1683                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1684                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1685                 startActivity(i);
1686
1687             }
1688
1689         } else {
1690             if (operation.transferWasRequested()) {
1691                 onTransferStateChanged(syncedFile, true, true);
1692
1693             } else {
1694                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1695                         Toast.LENGTH_LONG);
1696                 msg.show();
1697             }
1698         }
1699     }
1700
1701     /**
1702      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1703      *
1704      * @param operation     Creation operation performed.
1705      * @param result        Result of the creation.
1706      */
1707     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1708         if (result.isSuccess()) {
1709             dismissLoadingDialog();
1710             refreshListOfFilesFragment();
1711         } else {
1712             dismissLoadingDialog();
1713             try {
1714                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1715                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1716                         Toast.LENGTH_LONG);
1717                 msg.show();
1718
1719             } catch (NotFoundException e) {
1720                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1721             }
1722         }
1723     }
1724
1725
1726     /**
1727      * {@inheritDoc}
1728      */
1729     @Override
1730     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1731         refreshListOfFilesFragment();
1732         FileFragment details = getSecondFragment();
1733         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1734             if (downloading || uploading) {
1735                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1736             } else {
1737                 if (!file.fileExists()) {
1738                     cleanSecondFragment();
1739                 } else {
1740                     ((FileDetailFragment)details).updateFileDetails(false, true);
1741                 }
1742             }
1743         }
1744
1745     }
1746
1747
1748     private void requestForDownload() {
1749         Account account = getAccount();
1750         //if (!mWaitingToPreview.isDownloading()) {
1751         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1752             Intent i = new Intent(this, FileDownloader.class);
1753             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1754             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1755             startService(i);
1756         }
1757     }
1758
1759
1760     private OCFile getCurrentDir() {
1761         OCFile file = getFile();
1762         if (file != null) {
1763             if (file.isFolder()) {
1764                 return file;
1765             } else if (getStorageManager() != null) {
1766                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1767                 return getStorageManager().getFileByPath(parentPath);
1768             }
1769         }
1770         return null;
1771     }
1772
1773     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1774         long currentSyncTime = System.currentTimeMillis();
1775
1776         mSyncInProgress = true;
1777
1778         // perform folder synchronization
1779         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1780                                                                         currentSyncTime,
1781                                                                         false,
1782                                                                         getFileOperationsHelper().isSharedSupported(),
1783                                                                         ignoreETag,
1784                                                                         getStorageManager(),
1785                                                                         getAccount(),
1786                                                                         getApplicationContext()
1787                                                                       );
1788         synchFolderOp.execute(getAccount(), this, null, null);
1789
1790         setSupportProgressBarIndeterminateVisibility(true);
1791
1792         setBackgroundText();
1793     }
1794
1795     /**
1796      * Show untrusted cert dialog
1797      */
1798     public void showUntrustedCertDialog(RemoteOperationResult result) {
1799         // Show a dialog with the certificate info
1800         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1801         FragmentManager fm = getSupportFragmentManager();
1802         FragmentTransaction ft = fm.beginTransaction();
1803         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1804     }
1805
1806     private void requestForDownload(OCFile file) {
1807         Account account = getAccount();
1808         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1809             Intent i = new Intent(this, FileDownloader.class);
1810             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1811             i.putExtra(FileDownloader.EXTRA_FILE, file);
1812             startService(i);
1813         }
1814     }
1815
1816     private void sendDownloadedFile(){
1817         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1818         mWaitingToSend = null;
1819     }
1820
1821
1822     /**
1823      * Requests the download of the received {@link OCFile} , updates the UI
1824      * to monitor the download progress and prepares the activity to send the file
1825      * when the download finishes.
1826      *
1827      * @param file          {@link OCFile} to download and preview.
1828      */
1829     public void startDownloadForSending(OCFile file) {
1830         mWaitingToSend = file;
1831         requestForDownload(mWaitingToSend);
1832         boolean hasSecondFragment = (getSecondFragment()!= null);
1833         updateFragmentsVisibility(hasSecondFragment);
1834     }
1835
1836     /**
1837      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1838      *
1839      * @param file                      Image {@link OCFile} to show.
1840      */
1841     public void startImagePreview(OCFile file) {
1842         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1843         showDetailsIntent.putExtra(EXTRA_FILE, file);
1844         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1845         startActivity(showDetailsIntent);
1846
1847     }
1848
1849     /**
1850      * Stars the preview of an already down media {@link OCFile}.
1851      *
1852      * @param file                      Media {@link OCFile} to preview.
1853      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1854      * @param autoplay                  When 'true', the playback will start without user interactions.
1855      */
1856     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1857         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1858         setSecondFragment(mediaFragment);
1859         updateFragmentsVisibility(true);
1860         updateNavigationElementsInActionBar(file);
1861         setFile(file);
1862     }
1863
1864     /**
1865      * Requests the download of the received {@link OCFile} , updates the UI
1866      * to monitor the download progress and prepares the activity to preview
1867      * or open the file when the download finishes.
1868      *
1869      * @param file          {@link OCFile} to download and preview.
1870      */
1871     public void startDownloadForPreview(OCFile file) {
1872         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1873         setSecondFragment(detailFragment);
1874         mWaitingToPreview = file;
1875         requestForDownload();
1876         updateFragmentsVisibility(true);
1877         updateNavigationElementsInActionBar(file);
1878         setFile(file);
1879     }
1880
1881
1882     public void cancelTransference(OCFile file) {
1883         getFileOperationsHelper().cancelTransference(file);
1884         if (mWaitingToPreview != null &&
1885                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1886             mWaitingToPreview = null;
1887         }
1888         if (mWaitingToSend != null &&
1889                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1890             mWaitingToSend = null;
1891         }
1892         onTransferStateChanged(file, false, false);
1893     }
1894
1895     @Override
1896     public void onRefresh(boolean ignoreETag) {
1897         refreshList(ignoreETag);
1898     }
1899
1900     @Override
1901     public void onRefresh() {
1902         refreshList(true);
1903     }
1904
1905     private void refreshList(boolean ignoreETag) {
1906         OCFileListFragment listOfFiles = getListOfFilesFragment();
1907         if (listOfFiles != null) {
1908             OCFile folder = listOfFiles.getCurrentFile();
1909             if (folder != null) {
1910                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1911                 listDirectory(mFile);*/
1912                 startSyncFolderOperation(folder, ignoreETag);
1913             }
1914         }
1915     }
1916
1917     private void sortByDate(boolean ascending){
1918         getListOfFilesFragment().sortByDate(ascending);
1919     }
1920
1921     private void sortBySize(boolean ascending){
1922         getListOfFilesFragment().sortBySize(ascending);
1923     }
1924
1925     private void sortByName(boolean ascending){
1926         getListOfFilesFragment().sortByName(ascending);
1927     }
1928 }