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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 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
  23 import android.accounts.Account;
  24 import android.app.AlertDialog;
  25 import android.app.Dialog;
  26 import android.app.ProgressDialog;
  27 import android.content.BroadcastReceiver;
  28 import android.content.ComponentName;
  29 import android.content.ContentResolver;
  30 import android.content.Context;
  31 import android.content.DialogInterface;
  32 import android.content.Intent;
  33 import android.content.IntentFilter;
  34 import android.content.ServiceConnection;
  35 import android.content.SharedPreferences;
  36 import android.content.SyncRequest;
  37 import android.content.res.Resources.NotFoundException;
  38 import android.database.Cursor;
  39 import android.net.Uri;
  40 import android.os.Bundle;
  41 import android.os.IBinder;
  42 import android.preference.PreferenceManager;
  43 import android.provider.MediaStore;
  44 import android.support.v4.app.Fragment;
  45 import android.support.v4.app.FragmentManager;
  46 import android.support.v4.app.FragmentTransaction;
  47 //import android.support.v4.content.LocalBroadcastManager;
  48 import android.util.Log;
  49 import android.view.View;
  50 import android.view.ViewGroup;
  51 import android.widget.ArrayAdapter;
  52 import android.widget.TextView;
  53 import android.widget.Toast;
  54
  55 import com.actionbarsherlock.app.ActionBar;
  56 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  57 import com.actionbarsherlock.view.Menu;
  58 import com.actionbarsherlock.view.MenuInflater;
  59 import com.actionbarsherlock.view.MenuItem;
  60 import com.actionbarsherlock.view.Window;
  61 import com.owncloud.android.MainApp;
  62 import com.owncloud.android.R;
  63 import com.owncloud.android.datamodel.OCFile;
  64 import com.owncloud.android.files.services.FileDownloader;
  65 import com.owncloud.android.files.services.FileObserverService;
  66 import com.owncloud.android.files.services.FileUploader;
  67 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  68 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  69 import com.owncloud.android.operations.CreateFolderOperation;
  70
  71 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  72 import com.owncloud.android.lib.common.operations.RemoteOperation;
  73 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  74 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  75 import com.owncloud.android.operations.CreateShareOperation;
  76 import com.owncloud.android.operations.RemoveFileOperation;
  77 import com.owncloud.android.operations.RenameFileOperation;
  78 import com.owncloud.android.operations.SynchronizeFileOperation;
  79 import com.owncloud.android.operations.SynchronizeFolderOperation;
  80 import com.owncloud.android.operations.UnshareLinkOperation;
  81 import com.owncloud.android.syncadapter.FileSyncAdapter;
  82 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  83 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  84 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  85 import com.owncloud.android.ui.fragment.FileDetailFragment;
  86 import com.owncloud.android.ui.fragment.FileFragment;
  87 import com.owncloud.android.ui.fragment.OCFileListFragment;
  88 import com.owncloud.android.ui.preview.PreviewImageActivity;
  89 import com.owncloud.android.ui.preview.PreviewImageFragment;
  90 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  91 import com.owncloud.android.ui.preview.PreviewVideoActivity;
  92 import com.owncloud.android.utils.DisplayUtils;
  93 import com.owncloud.android.utils.Log_OC;
  94
  95
  96 /**
  97  * Displays, what files the user has available in his ownCloud.
  98  *
  99  * @author Bartek Przybylski
 100  * @author David A. Velasco
 101  */
 102
 103 public class FileDisplayActivity extends HookActivity implements
 104 FileFragment.ContainerActivity, OnNavigationListener, OnSslUntrustedCertListener {
 105
 106     private ArrayAdapter<String> mDirectories;
 107
 108     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 109     private UploadFinishReceiver mUploadFinishReceiver;
 110     private DownloadFinishReceiver mDownloadFinishReceiver;
 111     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 112
 113     private boolean mDualPane;
 114     private View mLeftFragmentContainer;
 115     private View mRightFragmentContainer;
 116
 117     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 118     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 119     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 120
 121     public static final int DIALOG_SHORT_WAIT = 0;
 122     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 123     private static final int DIALOG_CERT_NOT_SAVED = 2;
 124
 125     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 126
 127     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 128     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 129
 130     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 131
 132     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 133     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 134
 135     private OCFile mWaitingToPreview;
 136
 137     private boolean mSyncInProgress = false;
 138
 139     private String DIALOG_UNTRUSTED_CERT;
 140
 141     private OCFile mWaitingToSend;
 142
 143     @Override
 144     protected void onCreate(Bundle savedInstanceState) {
 145         Log_OC.d(TAG, "onCreate() start");
 146         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 147
 148         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 149
 150         // PIN CODE request ;  best location is to decide, let's try this first
 151         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 152             requestPinCode();
 153         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 154             requestPinCode();
 155         }
 156
 157         /// file observer
 158         Intent observer_intent = new Intent(this, FileObserverService.class);
 159         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 160         startService(observer_intent);
 161
 162         /// Load of saved instance state
 163         if(savedInstanceState != null) {
 164             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 165             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 166             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 167
 168         } else {
 169             mWaitingToPreview = null;
 170             mSyncInProgress = false;
 171             mWaitingToSend = null;
 172         }
 173
 174         /// USER INTERFACE
 175
 176         // Inflate and set the layout view
 177         setContentView(R.layout.files);
 178         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 179         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 180         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 181         if (savedInstanceState == null) {
 182             createMinFragments();
 183         } else {
 184             Log_OC.d(TAG, "Init the secondFragment again");
 185             if (mDualPane) {
 186                 initFragmentsWithFile();
 187             }
 188         }
 189
 190         // Action bar setup
 191         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 192         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 193         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 194
 195         Log_OC.d(TAG, "onCreate() end");
 196     }
 197
 198     @Override
 199     protected void onStart() {
 200         super.onStart();
 201         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 202     }
 203
 204     @Override
 205     protected void onDestroy() {
 206         super.onDestroy();
 207     }
 208
 209     /**
 210      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 211      */
 212     @Override
 213     protected void onAccountSet(boolean stateWasRecovered) {
 214         super.onAccountSet(stateWasRecovered);
 215         if (getAccount() != null) {
 216             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 217             OCFile file = getFile();
 218             // get parent from path
 219             String parentPath = "";
 220             if (file != null) {
 221                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 222                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 223                     // get parent from path
 224                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 225                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 226                         file = null; // not able to know the directory where the file is uploading
 227                 } else {
 228                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 229                 }
 230             }
 231             if (file == null) {
 232                 // fall back to root folder
 233                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 234             }
 235             setFile(file);
 236             setNavigationListWithFolder(file);
 237
 238             if (!stateWasRecovered) {
 239                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 240                 initFragmentsWithFile();
 241                 if (file.isFolder()) {
 242                     startSyncFolderOperation(file);
 243                 }
 244
 245             } else {
 246                 updateFragmentsVisibility(!file.isFolder());
 247                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 248             }
 249         }
 250     }
 251
 252
 253     private void setNavigationListWithFolder(OCFile file) {
 254         mDirectories.clear();
 255         OCFile fileIt = file;
 256         String parentPath;
 257         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 258             if (fileIt.isFolder()) {
 259                 mDirectories.add(fileIt.getFileName());
 260             }
 261             // get parent from path
 262             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 263             fileIt = getStorageManager().getFileByPath(parentPath);
 264         }
 265         mDirectories.add(OCFile.PATH_SEPARATOR);
 266     }
 267
 268
 269     private void createMinFragments() {
 270         OCFileListFragment listOfFiles = new OCFileListFragment();
 271         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 272         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 273         transaction.commit();
 274     }
 275
 276     private void initFragmentsWithFile() {
 277         if (getAccount() != null && getFile() != null) {
 278             /// First fragment
 279             OCFileListFragment listOfFiles = getListOfFilesFragment();
 280             if (listOfFiles != null) {
 281                 listOfFiles.listDirectory(getCurrentDir());
 282             } else {
 283                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 284             }
 285
 286             /// Second fragment
 287             OCFile file = getFile();
 288             Fragment secondFragment = chooseInitialSecondFragment(file);
 289             if (secondFragment != null) {
 290                 setSecondFragment(secondFragment);
 291                 updateFragmentsVisibility(true);
 292                 updateNavigationElementsInActionBar(file);
 293
 294             } else {
 295                 cleanSecondFragment();
 296             }
 297
 298         } else {
 299             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 300             if (getAccount() == null) {
 301                 Log.wtf(TAG, "\t account is NULL");
 302             }
 303             if (getFile() == null) {
 304                 Log.wtf(TAG, "\t file is NULL");
 305             }
 306         }
 307     }
 308
 309     private Fragment chooseInitialSecondFragment(OCFile file) {
 310         Fragment secondFragment = null;
 311         if (file != null && !file.isFolder()) {
 312             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 313                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 314                     ) {
 315                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 316                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 317                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 318
 319             } else {
 320                 secondFragment = new FileDetailFragment(file, getAccount());
 321             }
 322         }
 323         return secondFragment;
 324     }
 325
 326
 327     /**
 328      * Replaces the second fragment managed by the activity with the received as
 329      * a parameter.
 330      *
 331      * Assumes never will be more than two fragments managed at the same time.
 332      *
 333      * @param fragment      New second Fragment to set.
 334      */
 335     private void setSecondFragment(Fragment fragment) {
 336         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 337         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 338         transaction.commit();
 339     }
 340
 341
 342     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 343         if (mDualPane) {
 344             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 345                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 346             }
 347             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 348                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 349             }
 350
 351         } else if (existsSecondFragment) {
 352             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 353                 mLeftFragmentContainer.setVisibility(View.GONE);
 354             }
 355             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 356                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 357             }
 358
 359         } else {
 360             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 361                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 362             }
 363             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 364                 mRightFragmentContainer.setVisibility(View.GONE);
 365             }
 366         }
 367     }
 368
 369
 370     private OCFileListFragment getListOfFilesFragment() {
 371         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 372         if (listOfFiles != null) {
 373             return (OCFileListFragment)listOfFiles;
 374         }
 375         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 376         return null;
 377     }
 378
 379     public FileFragment getSecondFragment() {
 380         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 381         if (second != null) {
 382             return (FileFragment)second;
 383         }
 384         return null;
 385     }
 386
 387     protected void cleanSecondFragment() {
 388         Fragment second = getSecondFragment();
 389         if (second != null) {
 390             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 391             tr.remove(second);
 392             tr.commit();
 393         }
 394         updateFragmentsVisibility(false);
 395         updateNavigationElementsInActionBar(null);
 396     }
 397
 398     protected void refreshListOfFilesFragment() {
 399         OCFileListFragment fileListFragment = getListOfFilesFragment();
 400         if (fileListFragment != null) {
 401             fileListFragment.listDirectory();
 402         }
 403     }
 404
 405     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 406         FileFragment secondFragment = getSecondFragment();
 407         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 408         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 409             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 410             OCFile fileInFragment = detailsFragment.getFile();
 411             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 412                 // the user browsed to other file ; forget the automatic preview
 413                 mWaitingToPreview = null;
 414
 415             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 416                 // grant that the right panel updates the progress bar
 417                 detailsFragment.listenForTransferProgress();
 418                 detailsFragment.updateFileDetails(true, false);
 419
 420             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 421                 //  update the right panel
 422                 boolean detailsFragmentChanged = false;
 423                 if (waitedPreview) {
 424                     if (success) {
 425                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 426                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 427                             startMediaPreview(mWaitingToPreview, 0, true);
 428                             detailsFragmentChanged = true;
 429                         } else {
 430                             getFileOperationsHelper().openFile(mWaitingToPreview);
 431                         }
 432                     }
 433                     mWaitingToPreview = null;
 434                 }
 435                 if (!detailsFragmentChanged) {
 436                     detailsFragment.updateFileDetails(false, (success));
 437                 }
 438             }
 439         }
 440     }
 441
 442     @Override
 443     public boolean onCreateOptionsMenu(Menu menu) {
 444         MenuInflater inflater = getSherlock().getMenuInflater();
 445         inflater.inflate(R.menu.main_menu, menu);
 446         return true;
 447     }
 448
 449     @Override
 450     public boolean onOptionsItemSelected(MenuItem item) {
 451         boolean retval = true;
 452         switch (item.getItemId()) {
 453         case R.id.action_create_dir: {
 454             CreateFolderDialogFragment dialog =
 455                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 456             dialog.show(getSupportFragmentManager(), "createdirdialog");
 457             break;
 458         }
 459         case R.id.action_sync_account: {
 460             startSynchronization();
 461             break;
 462         }
 463         case R.id.action_upload: {
 464             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 465             break;
 466         }
 467         case R.id.action_settings: {
 468             Intent settingsIntent = new Intent(this, Preferences.class);
 469             startActivity(settingsIntent);
 470             break;
 471         }
 472         case android.R.id.home: {
 473             FileFragment second = getSecondFragment();
 474             OCFile currentDir = getCurrentDir();
 475             if((currentDir != null && currentDir.getParentId() != 0) ||
 476                     (second != null && second.getFile() != null)) {
 477                 onBackPressed();
 478
 479             }
 480             break;
 481         }
 482         default:
 483             retval = super.onOptionsItemSelected(item);
 484         }
 485         return retval;
 486     }
 487
 488     private void startSynchronization() {
 489         Log_OC.e(TAG, "Got to start sync");
 490         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 491             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 492             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 493             Bundle bundle = new Bundle();
 494             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 495             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 496             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 497             ContentResolver.requestSync(
 498                     getAccount(),
 499                     MainApp.getAuthority(), bundle);
 500         } else {
 501             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 502             SyncRequest.Builder builder = new SyncRequest.Builder();
 503             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 504             builder.setExpedited(true);
 505             builder.setManual(true);
 506             builder.syncOnce();
 507             SyncRequest request = builder.build();
 508             ContentResolver.requestSync(request);
 509         }
 510     }
 511
 512
 513     @Override
 514     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 515         if (itemPosition != 0) {
 516             String targetPath = "";
 517             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 518                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 519             }
 520             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 521             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 522             if (targetFolder != null) {
 523                 browseTo(targetFolder);
 524             }
 525
 526             // the next operation triggers a new call to this method, but it's necessary to
 527             // ensure that the name exposed in the action bar is the current directory when the
 528             // user selected it in the navigation list
 529             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 530                 getSupportActionBar().setSelectedNavigationItem(0);
 531         }
 532         return true;
 533     }
 534
 535     /**
 536      * Called, when the user selected something for uploading
 537      */
 538     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 539         super.onActivityResult(requestCode, resultCode, data);
 540
 541         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 542             requestSimpleUpload(data, resultCode);
 543
 544         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 545             requestMultipleUpload(data, resultCode);
 546
 547         }
 548     }
 549
 550     private void requestMultipleUpload(Intent data, int resultCode) {
 551         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 552         if (filePaths != null) {
 553             String[] remotePaths = new String[filePaths.length];
 554             String remotePathBase = "";
 555             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 556                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 557             }
 558             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 559                 remotePathBase += OCFile.PATH_SEPARATOR;
 560             for (int j = 0; j< remotePaths.length; j++) {
 561                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 562             }
 563
 564             Intent i = new Intent(this, FileUploader.class);
 565             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 566             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 567             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 568             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 569             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 570                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 571             startService(i);
 572
 573         } else {
 574             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 575             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 576             t.show();
 577             return;
 578         }
 579     }
 580
 581
 582     private void requestSimpleUpload(Intent data, int resultCode) {
 583         String filepath = null;
 584         try {
 585             Uri selectedImageUri = data.getData();
 586
 587             String filemanagerstring = selectedImageUri.getPath();
 588             String selectedImagePath = getPath(selectedImageUri);
 589
 590             if (selectedImagePath != null)
 591                 filepath = selectedImagePath;
 592             else
 593                 filepath = filemanagerstring;
 594
 595         } catch (Exception e) {
 596             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 597             e.printStackTrace();
 598
 599         } finally {
 600             if (filepath == null) {
 601                 Log_OC.e(TAG, "Couldnt resolve path to file");
 602                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 603                 t.show();
 604                 return;
 605             }
 606         }
 607
 608         Intent i = new Intent(this, FileUploader.class);
 609         i.putExtra(FileUploader.KEY_ACCOUNT,
 610                 getAccount());
 611         String remotepath = new String();
 612         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 613             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 614         }
 615         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 616             remotepath += OCFile.PATH_SEPARATOR;
 617         remotepath += new File(filepath).getName();
 618
 619         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 620         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 621         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 622         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 623             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 624         startService(i);
 625     }
 626
 627     @Override
 628     public void onBackPressed() {
 629         OCFileListFragment listOfFiles = getListOfFilesFragment();
 630         if (mDualPane || getSecondFragment() == null) {
 631             if (listOfFiles != null) {  // should never be null, indeed
 632                 if (mDirectories.getCount() <= 1) {
 633                     finish();
 634                     return;
 635                 }
 636                 int levelsUp = listOfFiles.onBrowseUp();
 637                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 638                     popDirname();
 639                 }
 640             }
 641         }
 642         if (listOfFiles != null) {  // should never be null, indeed
 643             setFile(listOfFiles.getCurrentFile());
 644         }
 645         cleanSecondFragment();
 646
 647     }
 648
 649     @Override
 650     protected void onSaveInstanceState(Bundle outState) {
 651         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 652         Log_OC.e(TAG, "onSaveInstanceState() start");
 653         super.onSaveInstanceState(outState);
 654         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 655         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 656         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 657         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 658
 659         Log_OC.d(TAG, "onSaveInstanceState() end");
 660     }
 661
 662
 663
 664     @Override
 665     protected void onResume() {
 666         super.onResume();
 667         Log_OC.e(TAG, "onResume() start");
 668
 669         // refresh list of files
 670         refreshListOfFilesFragment();
 671
 672         // Listen for sync messages
 673         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 674         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 675         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 676         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 677         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 678         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 679         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 680         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 681
 682         // Listen for upload messages
 683         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 684         mUploadFinishReceiver = new UploadFinishReceiver();
 685         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 686
 687         // Listen for download messages
 688         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 689         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 690         mDownloadFinishReceiver = new DownloadFinishReceiver();
 691         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 692
 693         Log_OC.d(TAG, "onResume() end");
 694     }
 695
 696
 697     @Override
 698     protected void onPause() {
 699         super.onPause();
 700         Log_OC.e(TAG, "onPause() start");
 701         if (mSyncBroadcastReceiver != null) {
 702             unregisterReceiver(mSyncBroadcastReceiver);
 703             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 704             mSyncBroadcastReceiver = null;
 705         }
 706         if (mUploadFinishReceiver != null) {
 707             unregisterReceiver(mUploadFinishReceiver);
 708             mUploadFinishReceiver = null;
 709         }
 710         if (mDownloadFinishReceiver != null) {
 711             unregisterReceiver(mDownloadFinishReceiver);
 712             mDownloadFinishReceiver = null;
 713         }
 714
 715         Log_OC.d(TAG, "onPause() end");
 716     }
 717
 718
 719     @Override
 720     protected Dialog onCreateDialog(int id) {
 721         Dialog dialog = null;
 722         AlertDialog.Builder builder;
 723         switch (id) {
 724         case DIALOG_SHORT_WAIT: {
 725             ProgressDialog working_dialog = new ProgressDialog(this);
 726             working_dialog.setMessage(getResources().getString(
 727                     R.string.wait_a_moment));
 728             working_dialog.setIndeterminate(true);
 729             working_dialog.setCancelable(false);
 730             dialog = working_dialog;
 731             break;
 732         }
 733         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 734
 735             String[] items = null;
 736
 737             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 738                     getString(R.string.actionbar_upload_from_apps),
 739                     getString(R.string.actionbar_failed_instant_upload) };
 740
 741             String[] commonItems = { getString(R.string.actionbar_upload_files),
 742                     getString(R.string.actionbar_upload_from_apps) };
 743
 744             if (InstantUploadActivity.IS_ENABLED)
 745                 items = allTheItems;
 746             else
 747                 items = commonItems;
 748
 749             builder = new AlertDialog.Builder(this);
 750             builder.setTitle(R.string.actionbar_upload);
 751             builder.setItems(items, new DialogInterface.OnClickListener() {
 752                 public void onClick(DialogInterface dialog, int item) {
 753                     if (item == 0) {
 754                         // if (!mDualPane) {
 755                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 756                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 757                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 758                             // } else {
 759                             // TODO create and handle new fragment
 760                             // LocalFileListFragment
 761                             // }
 762                     } else if (item == 1) {
 763                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 764                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 765                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 766                                 ACTION_SELECT_CONTENT_FROM_APPS);
 767                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 768                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 769                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 770                         startActivity(action);
 771                     }
 772                 }
 773             });
 774             dialog = builder.create();
 775             break;
 776         }
 777         case DIALOG_CERT_NOT_SAVED: {
 778             builder = new AlertDialog.Builder(this);
 779             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 780             builder.setCancelable(false);
 781             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 782                 @Override
 783                 public void onClick(DialogInterface dialog, int which) {
 784                     dialog.dismiss();
 785                 };
 786             });
 787             dialog = builder.create();
 788             break;
 789         }
 790         default:
 791             dialog = null;
 792         }
 793
 794         return dialog;
 795     }
 796
 797
 798     /**
 799      * Translates a content URI of an image to a physical path
 800      * on the disk
 801      * @param uri The URI to resolve
 802      * @return The path to the image or null if it could not be found
 803      */
 804     public String getPath(Uri uri) {
 805         String[] projection = { MediaStore.Images.Media.DATA };
 806         Cursor cursor = managedQuery(uri, projection, null, null, null);
 807         if (cursor != null) {
 808             int column_index = cursor
 809                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 810             cursor.moveToFirst();
 811             return cursor.getString(column_index);
 812         }
 813         return null;
 814     }
 815
 816     /**
 817      * Pushes a directory to the drop down list
 818      * @param directory to push
 819      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 820      */
 821     public void pushDirname(OCFile directory) {
 822         if(!directory.isFolder()){
 823             throw new IllegalArgumentException("Only directories may be pushed!");
 824         }
 825         mDirectories.insert(directory.getFileName(), 0);
 826         setFile(directory);
 827     }
 828
 829     /**
 830      * Pops a directory name from the drop down list
 831      * @return True, unless the stack is empty
 832      */
 833     public boolean popDirname() {
 834         mDirectories.remove(mDirectories.getItem(0));
 835         return !mDirectories.isEmpty();
 836     }
 837
 838     // Custom array adapter to override text colors
 839     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 840
 841         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 842             super(ctx, view);
 843         }
 844
 845         public View getView(int position, View convertView, ViewGroup parent) {
 846             View v = super.getView(position, convertView, parent);
 847
 848             ((TextView) v).setTextColor(getResources().getColorStateList(
 849                     android.R.color.white));
 850
 851             fixRoot((TextView) v );
 852             return v;
 853         }
 854
 855         public View getDropDownView(int position, View convertView,
 856                 ViewGroup parent) {
 857             View v = super.getDropDownView(position, convertView, parent);
 858
 859             ((TextView) v).setTextColor(getResources().getColorStateList(
 860                     android.R.color.white));
 861
 862             fixRoot((TextView) v );
 863             return v;
 864         }
 865
 866         private void fixRoot(TextView v) {
 867             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 868                 v.setText(R.string.default_display_name_for_root_folder);
 869             }
 870         }
 871
 872     }
 873
 874     private class SyncBroadcastReceiver extends BroadcastReceiver {
 875
 876         /**
 877          * {@link BroadcastReceiver} to enable syncing feedback in UI
 878          */
 879         @Override
 880         public void onReceive(Context context, Intent intent) {
 881             try {
 882                 String event = intent.getAction();
 883                 Log_OC.d(TAG, "Received broadcast " + event);
 884                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 885                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 886                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 887                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 888
 889                 if (sameAccount) {
 890
 891                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 892                         mSyncInProgress = true;
 893
 894                     } else {
 895                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 896                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 897
 898                         if (currentDir == null) {
 899                             // current folder was removed from the server
 900                             Toast.makeText( FileDisplayActivity.this,
 901                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 902                                             Toast.LENGTH_LONG)
 903                                 .show();
 904                             browseToRoot();
 905
 906                         } else {
 907                             if (currentFile == null && !getFile().isFolder()) {
 908                                 // currently selected file was removed in the server, and now we know it
 909                                 cleanSecondFragment();
 910                                 currentFile = currentDir;
 911                             }
 912
 913                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 914                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 915                                 if (fileListFragment != null) {
 916                                     fileListFragment.listDirectory(currentDir);
 917                                 }
 918                             }
 919                             setFile(currentFile);
 920                         }
 921
 922                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 923
 924                         }
 925                         removeStickyBroadcast(intent);
 926                         Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 927                         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 928                 }
 929
 930                 if (synchResult != null) {
 931                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 932                         mLastSslUntrustedServerResult = synchResult;
 933                     }
 934                 }
 935             } catch (RuntimeException e) {
 936                 // avoid app crashes after changing the serial id of RemoteOperationResult
 937                 // in owncloud library with broadcast notifications pending to process
 938                 removeStickyBroadcast(intent);
 939             }
 940         }
 941     }
 942
 943
 944     /**
 945      * Once the file upload has finished -> update view
 946      */
 947     private class UploadFinishReceiver extends BroadcastReceiver {
 948         /**
 949          * Once the file upload has finished -> update view
 950          *  @author David A. Velasco
 951          * {@link BroadcastReceiver} to enable upload feedback in UI
 952          */
 953         @Override
 954         public void onReceive(Context context, Intent intent) {
 955             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 956             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 957             boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
 958             OCFile currentDir = getCurrentDir();
 959             boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
 960                     (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
 961
 962             if (sameAccount && isDescendant) {
 963                 refreshListOfFilesFragment();
 964             }
 965
 966             boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 967             boolean renamedInUpload = getFile().getRemotePath().
 968                     equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 969             boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
 970                     renamedInUpload;
 971             FileFragment details = getSecondFragment();
 972             boolean detailFragmentIsShown = (details != null &&
 973                     details instanceof FileDetailFragment);
 974
 975             if (sameAccount && sameFile && detailFragmentIsShown) {
 976                 if (uploadWasFine) {
 977                     setFile(getStorageManager().getFileByPath(uploadedRemotePath));
 978                 }
 979                 if (renamedInUpload) {
 980                     String newName = (new File(uploadedRemotePath)).getName();
 981                     Toast msg = Toast.makeText(
 982                             context,
 983                             String.format(
 984                                     getString(R.string.filedetails_renamed_in_upload_msg),
 985                                     newName),
 986                             Toast.LENGTH_LONG);
 987                     msg.show();
 988                 }
 989                 if (uploadWasFine || getFile().fileExists()) {
 990                     ((FileDetailFragment)details).updateFileDetails(false, true);
 991                 } else {
 992                     cleanSecondFragment();
 993                 }
 994
 995                 // Force the preview if the file is an image
 996                 if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
 997                     startImagePreview(getFile());
 998                 } // TODO what about other kind of previews?
 999             }
1000
1001             removeStickyBroadcast(intent);
1002
1003         }
1004
1005     }
1006
1007
1008     /**
1009      * Class waiting for broadcast events from the {@link FielDownloader} service.
1010      *
1011      * Updates the UI when a download is started or finished, provided that it is relevant for the
1012      * current folder.
1013      */
1014     private class DownloadFinishReceiver extends BroadcastReceiver {
1015         @Override
1016         public void onReceive(Context context, Intent intent) {
1017             boolean sameAccount = isSameAccount(context, intent);
1018             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1019             boolean isDescendant = isDescendant(downloadedRemotePath);
1020
1021             if (sameAccount && isDescendant) {
1022                 refreshListOfFilesFragment();
1023                 refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1024             }
1025
1026             if (mWaitingToSend != null) {
1027                 mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1028                 if (mWaitingToSend.isDown()) {
1029                     sendDownloadedFile();
1030                 }
1031             }
1032
1033             removeStickyBroadcast(intent);
1034         }
1035
1036         private boolean isDescendant(String downloadedRemotePath) {
1037             OCFile currentDir = getCurrentDir();
1038             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1039         }
1040
1041         private boolean isSameAccount(Context context, Intent intent) {
1042             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1043             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1044         }
1045     }
1046
1047
1048     public void browseToRoot() {
1049         OCFileListFragment listOfFiles = getListOfFilesFragment();
1050         if (listOfFiles != null) {  // should never be null, indeed
1051             while (mDirectories.getCount() > 1) {
1052                 popDirname();
1053             }
1054             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1055             listOfFiles.listDirectory(root);
1056             setFile(listOfFiles.getCurrentFile());
1057             startSyncFolderOperation(root);
1058         }
1059         cleanSecondFragment();
1060     }
1061
1062
1063     public void browseTo(OCFile folder) {
1064         if (folder == null || !folder.isFolder()) {
1065             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1066         }
1067         OCFileListFragment listOfFiles = getListOfFilesFragment();
1068         if (listOfFiles != null) {
1069             setNavigationListWithFolder(folder);
1070             listOfFiles.listDirectory(folder);
1071             setFile(listOfFiles.getCurrentFile());
1072             startSyncFolderOperation(folder);
1073         } else {
1074             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1075         }
1076         cleanSecondFragment();
1077     }
1078
1079
1080     /**
1081      * {@inheritDoc}
1082      *
1083      * Updates action bar and second fragment, if in dual pane mode.
1084      */
1085     @Override
1086     public void onBrowsedDownTo(OCFile directory) {
1087         pushDirname(directory);
1088         cleanSecondFragment();
1089
1090         // Sync Folder
1091         startSyncFolderOperation(directory);
1092
1093     }
1094
1095     /**
1096      * Shows the information of the {@link OCFile} received as a
1097      * parameter in the second fragment.
1098      *
1099      * @param file          {@link OCFile} whose details will be shown
1100      */
1101     @Override
1102     public void showDetails(OCFile file) {
1103         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1104         setSecondFragment(detailFragment);
1105         updateFragmentsVisibility(true);
1106         updateNavigationElementsInActionBar(file);
1107         setFile(file);
1108     }
1109
1110
1111     /**
1112      * TODO
1113      */
1114     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1115         ActionBar actionBar = getSupportActionBar();
1116         if (chosenFile == null || mDualPane) {
1117             // only list of files - set for browsing through folders
1118             OCFile currentDir = getCurrentDir();
1119             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1120             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1121             actionBar.setDisplayShowTitleEnabled(!noRoot);
1122             if (!noRoot) {
1123                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1124             }
1125             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1126             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1127
1128         } else {
1129             actionBar.setDisplayHomeAsUpEnabled(true);
1130             actionBar.setDisplayShowTitleEnabled(true);
1131             actionBar.setTitle(chosenFile.getFileName());
1132             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1133         }
1134     }
1135
1136
1137     @Override
1138     protected ServiceConnection newTransferenceServiceConnection() {
1139         return new ListServiceConnection();
1140     }
1141
1142     /** Defines callbacks for service binding, passed to bindService() */
1143     private class ListServiceConnection implements ServiceConnection {
1144
1145         @Override
1146         public void onServiceConnected(ComponentName component, IBinder service) {
1147             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1148                 Log_OC.d(TAG, "Download service connected");
1149                 mDownloaderBinder = (FileDownloaderBinder) service;
1150                 if (mWaitingToPreview != null)
1151                     if (getStorageManager() != null) {
1152                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1153                         if (!mWaitingToPreview.isDown()) {
1154                             requestForDownload();
1155                         }
1156                 }
1157
1158             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1159                 Log_OC.d(TAG, "Upload service connected");
1160                 mUploaderBinder = (FileUploaderBinder) service;
1161             } else {
1162                 return;
1163             }
1164             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1165             OCFileListFragment listOfFiles = getListOfFilesFragment();
1166             if (listOfFiles != null) {
1167                 listOfFiles.listDirectory();
1168             }
1169             FileFragment secondFragment = getSecondFragment();
1170             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1171                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1172                 detailFragment.listenForTransferProgress();
1173                 detailFragment.updateFileDetails(false, false);
1174             }
1175         }
1176
1177         @Override
1178         public void onServiceDisconnected(ComponentName component) {
1179             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1180                 Log_OC.d(TAG, "Download service disconnected");
1181                 mDownloaderBinder = null;
1182             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1183                 Log_OC.d(TAG, "Upload service disconnected");
1184                 mUploaderBinder = null;
1185             }
1186         }
1187     };
1188
1189
1190
1191     /**
1192      * Launch an intent to request the PIN code to the user before letting him use the app
1193      */
1194     private void requestPinCode() {
1195         boolean pinStart = false;
1196         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1197         pinStart = appPrefs.getBoolean("set_pincode", false);
1198         if (pinStart) {
1199             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1200             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1201             startActivity(i);
1202         }
1203     }
1204
1205
1206     @Override
1207     public void onSavedCertificate() {
1208         startSyncFolderOperation(getCurrentDir());
1209     }
1210
1211
1212     @Override
1213     public void onFailedSavingCertificate() {
1214         showDialog(DIALOG_CERT_NOT_SAVED);
1215     }
1216
1217     @Override
1218     public void onCancelCertificate() {
1219         // nothing to do
1220     }
1221
1222     /**
1223      * Updates the view associated to the activity after the finish of some operation over files
1224      * in the current account.
1225      *
1226      * @param operation     Removal operation performed.
1227      * @param result        Result of the removal.
1228      */
1229     @Override
1230     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1231         super.onRemoteOperationFinish(operation, result);
1232
1233         if (operation instanceof RemoveFileOperation) {
1234             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1235
1236         } else if (operation instanceof RenameFileOperation) {
1237             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1238
1239         } else if (operation instanceof SynchronizeFileOperation) {
1240             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1241
1242         } else if (operation instanceof CreateFolderOperation) {
1243             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1244
1245         } else if (operation instanceof CreateShareOperation) {
1246             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1247
1248         } else if (operation instanceof UnshareLinkOperation) {
1249             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1250
1251         }
1252
1253     }
1254
1255
1256     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1257         if (result.isSuccess()) {
1258             refreshShowDetails();
1259             refreshListOfFilesFragment();
1260         }
1261     }
1262
1263
1264     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1265         if (result.isSuccess()) {
1266             refreshShowDetails();
1267             refreshListOfFilesFragment();
1268
1269         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1270             cleanSecondFragment();
1271             refreshListOfFilesFragment();
1272         }
1273     }
1274
1275     private void refreshShowDetails() {
1276         FileFragment details = getSecondFragment();
1277         if (details != null) {
1278             OCFile file = details.getFile();
1279             if (file != null) {
1280                 file = getStorageManager().getFileByPath(file.getRemotePath());
1281                 if (details instanceof PreviewMediaFragment) {
1282                     // Refresh  OCFile of the fragment
1283                     ((PreviewMediaFragment) details).updateFile(file);
1284                 } else {
1285                     showDetails(file);
1286                 }
1287             }
1288             invalidateOptionsMenu();
1289         }
1290     }
1291
1292     /**
1293      * Updates the view associated to the activity after the finish of an operation trying to remove a
1294      * file.
1295      *
1296      * @param operation     Removal operation performed.
1297      * @param result        Result of the removal.
1298      */
1299     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1300         dismissLoadingDialog();
1301         if (result.isSuccess()) {
1302             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1303             msg.show();
1304             OCFile removedFile = operation.getFile();
1305             FileFragment second = getSecondFragment();
1306             if (second != null && removedFile.equals(second.getFile())) {
1307                 if (second instanceof PreviewMediaFragment) {
1308                     ((PreviewMediaFragment)second).stopPreview(true);
1309                 }
1310                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1311                 cleanSecondFragment();
1312             }
1313             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1314                 refreshListOfFilesFragment();
1315             }
1316             invalidateOptionsMenu();
1317         } else {
1318             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1319             msg.show();
1320             if (result.isSslRecoverableException()) {
1321                 mLastSslUntrustedServerResult = result;
1322                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1323             }
1324         }
1325     }
1326
1327
1328     /**
1329      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1330      *
1331      * @param operation     Creation operation performed.
1332      * @param result        Result of the creation.
1333      */
1334     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1335         if (result.isSuccess()) {
1336             dismissLoadingDialog();
1337             refreshListOfFilesFragment();
1338         } else {
1339             dismissLoadingDialog();
1340             if (result.getCode() == ResultCode.INVALID_CHARACTER_IN_NAME) {
1341                 Toast.makeText(FileDisplayActivity.this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG).show();
1342             } else {
1343             try {
1344                 Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
1345                 msg.show();
1346
1347             } catch (NotFoundException e) {
1348                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1349             }
1350             }
1351         }
1352     }
1353
1354
1355     /**
1356      * Updates the view associated to the activity after the finish of an operation trying to rename a
1357      * file.
1358      *
1359      * @param operation     Renaming operation performed.
1360      * @param result        Result of the renaming.
1361      */
1362     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1363         dismissLoadingDialog();
1364         OCFile renamedFile = operation.getFile();
1365         if (result.isSuccess()) {
1366             FileFragment details = getSecondFragment();
1367             if (details != null)
1368                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1369                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1370                     showDetails(renamedFile);
1371
1372             } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1373                 ((PreviewMediaFragment) details).updateFile(renamedFile);
1374                 if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1375                     int position = ((PreviewMediaFragment)details).getPosition();
1376                     startMediaPreview(renamedFile, position, true);
1377                 } else {
1378                     getFileOperationsHelper().openFile(renamedFile);
1379                 }
1380             }
1381
1382             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1383                 refreshListOfFilesFragment();
1384             }
1385
1386         } else {
1387             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1388                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1389                 msg.show();
1390                 // TODO throw again the new rename dialog
1391             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
1392                 Toast msg = Toast.makeText(this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
1393                 msg.show();
1394             } else {
1395                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1396                 msg.show();
1397                 if (result.isSslRecoverableException()) {
1398                     mLastSslUntrustedServerResult = result;
1399                     showUntrustedCertDialog(mLastSslUntrustedServerResult);
1400                 }
1401             }
1402         }
1403     }
1404
1405     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1406         dismissLoadingDialog();
1407         OCFile syncedFile = operation.getLocalFile();
1408         if (!result.isSuccess()) {
1409             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1410                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1411                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1412                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1413                 startActivity(i);
1414
1415             }
1416
1417         } else {
1418             if (operation.transferWasRequested()) {
1419                 onTransferStateChanged(syncedFile, true, true);
1420
1421             } else {
1422                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1423                 msg.show();
1424             }
1425         }
1426     }
1427
1428
1429     /**
1430      * {@inheritDoc}
1431      */
1432     @Override
1433     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1434         refreshListOfFilesFragment();
1435         FileFragment details = getSecondFragment();
1436         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1437             if (downloading || uploading) {
1438                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1439             } else {
1440                 if (!file.fileExists()) {
1441                     cleanSecondFragment();
1442                 } else {
1443                     ((FileDetailFragment)details).updateFileDetails(false, true);
1444                 }
1445             }
1446         }
1447
1448     }
1449
1450
1451     private void requestForDownload() {
1452         Account account = getAccount();
1453         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1454             Intent i = new Intent(this, FileDownloader.class);
1455             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1456             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1457             startService(i);
1458         }
1459     }
1460
1461
1462     private OCFile getCurrentDir() {
1463         OCFile file = getFile();
1464         if (file != null) {
1465             if (file.isFolder()) {
1466                 return file;
1467             } else if (getStorageManager() != null) {
1468                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1469                 return getStorageManager().getFileByPath(parentPath);
1470             }
1471         }
1472         return null;
1473     }
1474
1475     public void startSyncFolderOperation(OCFile folder) {
1476         long currentSyncTime = System.currentTimeMillis();
1477
1478         mSyncInProgress = true;
1479
1480         // perform folder synchronization
1481         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1482                                                                         currentSyncTime,
1483                                                                         false,
1484                                                                         getFileOperationsHelper().isSharedSupported(),
1485                                                                         getStorageManager(),
1486                                                                         getAccount(),
1487                                                                         getApplicationContext()
1488                                                                       );
1489         synchFolderOp.execute(getAccount(), this, null, null, this);
1490
1491         setSupportProgressBarIndeterminateVisibility(true);
1492     }
1493
1494     /**
1495      * Show untrusted cert dialog
1496      */
1497     public void showUntrustedCertDialog(RemoteOperationResult result) {
1498         // Show a dialog with the certificate info
1499         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1500         FragmentManager fm = getSupportFragmentManager();
1501         FragmentTransaction ft = fm.beginTransaction();
1502         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1503     }
1504
1505     private void requestForDownload(OCFile file) {
1506         Account account = getAccount();
1507         if (!mDownloaderBinder.isDownloading(account, file)) {
1508             Intent i = new Intent(this, FileDownloader.class);
1509             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1510             i.putExtra(FileDownloader.EXTRA_FILE, file);
1511             startService(i);
1512         }
1513     }
1514
1515     private void sendDownloadedFile(){
1516         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1517         mWaitingToSend = null;
1518     }
1519
1520
1521     /**
1522      * Requests the download of the received {@link OCFile} , updates the UI
1523      * to monitor the download progress and prepares the activity to send the file
1524      * when the download finishes.
1525      *
1526      * @param file          {@link OCFile} to download and preview.
1527      */
1528     public void startDownloadForSending(OCFile file) {
1529         mWaitingToSend = file;
1530         requestForDownload(mWaitingToSend);
1531         boolean hasSecondFragment = (getSecondFragment()!= null);
1532         updateFragmentsVisibility(hasSecondFragment);
1533     }
1534
1535     /**
1536      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1537      *
1538      * @param file                      Image {@link OCFile} to show.
1539      */
1540     public void startImagePreview(OCFile file) {
1541         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1542         showDetailsIntent.putExtra(EXTRA_FILE, file);
1543         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1544         startActivity(showDetailsIntent);
1545
1546     }
1547
1548     /**
1549      * Stars the preview of an already down media {@link OCFile}.
1550      *
1551      * @param file                      Media {@link OCFile} to preview.
1552      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1553      * @param autoplay                  When 'true', the playback will start without user interactions.
1554      */
1555     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1556         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1557         setSecondFragment(mediaFragment);
1558         updateFragmentsVisibility(true);
1559         updateNavigationElementsInActionBar(file);
1560         setFile(file);
1561     }
1562
1563     /**
1564      * Requests the download of the received {@link OCFile} , updates the UI
1565      * to monitor the download progress and prepares the activity to preview
1566      * or open the file when the download finishes.
1567      *
1568      * @param file          {@link OCFile} to download and preview.
1569      */
1570     public void startDownloadForPreview(OCFile file) {
1571         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1572         setSecondFragment(detailFragment);
1573         mWaitingToPreview = file;
1574         requestForDownload();
1575         updateFragmentsVisibility(true);
1576         updateNavigationElementsInActionBar(file);
1577         setFile(file);
1578     }
1579
1580
1581     public void cancelTransference(OCFile file) {
1582         getFileOperationsHelper().cancelTransference(file);
1583         if (mWaitingToPreview != null &&
1584                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1585             mWaitingToPreview = null;
1586         }
1587         if (mWaitingToSend != null &&
1588                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1589             mWaitingToSend = null;
1590         }
1591         onTransferStateChanged(file, false, false);
1592     }
1593
1594 }