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