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