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