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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22
  23 import android.accounts.Account;
  24 import android.app.AlertDialog;
  25 import android.app.Dialog;
  26 import android.app.ProgressDialog;
  27 import android.content.BroadcastReceiver;
  28 import android.content.ComponentName;
  29 import android.content.ContentResolver;
  30 import android.content.Context;
  31 import android.content.DialogInterface;
  32 import android.content.Intent;
  33 import android.content.IntentFilter;
  34 import android.content.ServiceConnection;
  35 import android.content.SharedPreferences;
  36 import android.content.SyncRequest;
  37 import android.content.res.Resources.NotFoundException;
  38 import android.database.Cursor;
  39 import android.net.Uri;
  40 import android.os.Bundle;
  41 import android.os.IBinder;
  42 import android.preference.PreferenceManager;
  43 import android.provider.MediaStore;
  44 import android.support.v4.app.Fragment;
  45 import android.support.v4.app.FragmentManager;
  46 import android.support.v4.app.FragmentTransaction;
  47 //import android.support.v4.content.LocalBroadcastManager;
  48 import android.util.Log;
  49 import android.view.View;
  50 import android.view.ViewGroup;
  51 import android.widget.ArrayAdapter;
  52 import android.widget.TextView;
  53 import android.widget.Toast;
  54
  55 import com.actionbarsherlock.app.ActionBar;
  56 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  57 import com.actionbarsherlock.view.Menu;
  58 import com.actionbarsherlock.view.MenuInflater;
  59 import com.actionbarsherlock.view.MenuItem;
  60 import com.actionbarsherlock.view.Window;
  61 import com.owncloud.android.MainApp;
  62 import com.owncloud.android.R;
  63 import com.owncloud.android.datamodel.OCFile;
  64 import com.owncloud.android.files.services.FileDownloader;
  65 import com.owncloud.android.files.services.FileObserverService;
  66 import com.owncloud.android.files.services.FileUploader;
  67 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  68 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  69 import com.owncloud.android.operations.CreateFolderOperation;
  70
  71 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  72 import com.owncloud.android.lib.common.operations.RemoteOperation;
  73 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  74 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  75 import com.owncloud.android.operations.CreateShareOperation;
  76 import com.owncloud.android.operations.RemoveFileOperation;
  77 import com.owncloud.android.operations.RenameFileOperation;
  78 import com.owncloud.android.operations.SynchronizeFileOperation;
  79 import com.owncloud.android.operations.SynchronizeFolderOperation;
  80 import com.owncloud.android.operations.UnshareLinkOperation;
  81 import com.owncloud.android.syncadapter.FileSyncAdapter;
  82 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  83 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  84 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  85 import com.owncloud.android.ui.fragment.FileDetailFragment;
  86 import com.owncloud.android.ui.fragment.FileFragment;
  87 import com.owncloud.android.ui.fragment.OCFileListFragment;
  88 import com.owncloud.android.ui.preview.PreviewImageActivity;
  89 import com.owncloud.android.ui.preview.PreviewImageFragment;
  90 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  91 import com.owncloud.android.ui.preview.PreviewVideoActivity;
  92 import com.owncloud.android.utils.DisplayUtils;
  93 import com.owncloud.android.utils.Log_OC;
  94
  95
  96 /**
  97  * Displays, what files the user has available in his ownCloud.
  98  *
  99  * @author Bartek Przybylski
 100  * @author David A. Velasco
 101  */
 102
 103 public class FileDisplayActivity extends HookActivity implements
 104 FileFragment.ContainerActivity, OnNavigationListener, OnSslUntrustedCertListener {
 105
 106     private ArrayAdapter<String> mDirectories;
 107
 108     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 109     private UploadFinishReceiver mUploadFinishReceiver;
 110     private DownloadFinishReceiver mDownloadFinishReceiver;
 111     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 112
 113     private boolean mDualPane;
 114     private View mLeftFragmentContainer;
 115     private View mRightFragmentContainer;
 116
 117     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 118     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 119     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 120
 121     public static final int DIALOG_SHORT_WAIT = 0;
 122     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 123     private static final int DIALOG_CERT_NOT_SAVED = 2;
 124
 125     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 126
 127     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 128     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 129
 130     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 131
 132     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 133     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 134
 135     private OCFile mWaitingToPreview;
 136
 137     private boolean mSyncInProgress = false;
 138
 139     private String DIALOG_UNTRUSTED_CERT;
 140
 141     private OCFile mWaitingToSend;
 142
 143     @Override
 144     protected void onCreate(Bundle savedInstanceState) {
 145         Log_OC.d(TAG, "onCreate() start");
 146         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 147
 148         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 149
 150         // PIN CODE request ;  best location is to decide, let's try this first
 151         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 152             requestPinCode();
 153         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 154             requestPinCode();
 155         }
 156
 157         /// file observer
 158         Intent observer_intent = new Intent(this, FileObserverService.class);
 159         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 160         startService(observer_intent);
 161
 162         /// Load of saved instance state
 163         if(savedInstanceState != null) {
 164             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 165             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 166             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 167
 168         } else {
 169             mWaitingToPreview = null;
 170             mSyncInProgress = false;
 171             mWaitingToSend = null;
 172         }
 173
 174         /// USER INTERFACE
 175
 176         // Inflate and set the layout view
 177         setContentView(R.layout.files);
 178         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 179         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 180         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 181         if (savedInstanceState == null) {
 182             createMinFragments();
 183         } else {
 184             Log_OC.d(TAG, "Init the secondFragment again");
 185             if (mDualPane) {
 186                 initFragmentsWithFile();
 187             }
 188         }
 189
 190         // Action bar setup
 191         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 192         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 193         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 194
 195         Log_OC.d(TAG, "onCreate() end");
 196     }
 197
 198     @Override
 199     protected void onStart() {
 200         super.onStart();
 201         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 202     }
 203
 204     @Override
 205     protected void onDestroy() {
 206         super.onDestroy();
 207     }
 208
 209     /**
 210      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 211      */
 212     @Override
 213     protected void onAccountSet(boolean stateWasRecovered) {
 214         super.onAccountSet(stateWasRecovered);
 215         if (getAccount() != null) {
 216             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 217             OCFile file = getFile();
 218             // get parent from path
 219             String parentPath = "";
 220             if (file != null) {
 221                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 222                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 223                     // get parent from path
 224                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 225                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 226                         file = null; // not able to know the directory where the file is uploading
 227                 } else {
 228                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 229                 }
 230             }
 231             if (file == null) {
 232                 // fall back to root folder
 233                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 234             }
 235             setFile(file);
 236             setNavigationListWithFolder(file);
 237
 238             if (!stateWasRecovered) {
 239                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 240                 initFragmentsWithFile();
 241                 if (file.isFolder()) {
 242                     startSyncFolderOperation(file);
 243                 }
 244
 245             } else {
 246                 updateFragmentsVisibility(!file.isFolder());
 247                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 248             }
 249         }
 250     }
 251
 252
 253     private void setNavigationListWithFolder(OCFile file) {
 254         mDirectories.clear();
 255         OCFile fileIt = file;
 256         String parentPath;
 257         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 258             if (fileIt.isFolder()) {
 259                 mDirectories.add(fileIt.getFileName());
 260             }
 261             // get parent from path
 262             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 263             fileIt = getStorageManager().getFileByPath(parentPath);
 264         }
 265         mDirectories.add(OCFile.PATH_SEPARATOR);
 266     }
 267
 268
 269     private void createMinFragments() {
 270         OCFileListFragment listOfFiles = new OCFileListFragment();
 271         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 272         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 273         transaction.commit();
 274     }
 275
 276     private void initFragmentsWithFile() {
 277         if (getAccount() != null && getFile() != null) {
 278             /// First fragment
 279             OCFileListFragment listOfFiles = getListOfFilesFragment();
 280             if (listOfFiles != null) {
 281                 listOfFiles.listDirectory(getCurrentDir());
 282             } else {
 283                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 284             }
 285
 286             /// Second fragment
 287             OCFile file = getFile();
 288             Fragment secondFragment = chooseInitialSecondFragment(file);
 289             if (secondFragment != null) {
 290                 setSecondFragment(secondFragment);
 291                 updateFragmentsVisibility(true);
 292                 updateNavigationElementsInActionBar(file);
 293
 294             } else {
 295                 cleanSecondFragment();
 296             }
 297
 298         } else {
 299             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 300             if (getAccount() == null) {
 301                 Log.wtf(TAG, "\t account is NULL");
 302             }
 303             if (getFile() == null) {
 304                 Log.wtf(TAG, "\t file is NULL");
 305             }
 306         }
 307     }
 308
 309     private Fragment chooseInitialSecondFragment(OCFile file) {
 310         Fragment secondFragment = null;
 311         if (file != null && !file.isFolder()) {
 312             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 313                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 314                     ) {
 315                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 316                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 317                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 318
 319             } else {
 320                 secondFragment = new FileDetailFragment(file, getAccount());
 321             }
 322         }
 323         return secondFragment;
 324     }
 325
 326
 327     /**
 328      * Replaces the second fragment managed by the activity with the received as
 329      * a parameter.
 330      *
 331      * Assumes never will be more than two fragments managed at the same time.
 332      *
 333      * @param fragment      New second Fragment to set.
 334      */
 335     private void setSecondFragment(Fragment fragment) {
 336         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 337         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 338         transaction.commit();
 339     }
 340
 341
 342     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 343         if (mDualPane) {
 344             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 345                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 346             }
 347             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 348                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 349             }
 350
 351         } else if (existsSecondFragment) {
 352             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 353                 mLeftFragmentContainer.setVisibility(View.GONE);
 354             }
 355             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 356                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 357             }
 358
 359         } else {
 360             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 361                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 362             }
 363             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 364                 mRightFragmentContainer.setVisibility(View.GONE);
 365             }
 366         }
 367     }
 368
 369
 370     private OCFileListFragment getListOfFilesFragment() {
 371         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 372         if (listOfFiles != null) {
 373             return (OCFileListFragment)listOfFiles;
 374         }
 375         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 376         return null;
 377     }
 378
 379     public FileFragment getSecondFragment() {
 380         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 381         if (second != null) {
 382             return (FileFragment)second;
 383         }
 384         return null;
 385     }
 386
 387     protected void cleanSecondFragment() {
 388         Fragment second = getSecondFragment();
 389         if (second != null) {
 390             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 391             tr.remove(second);
 392             tr.commit();
 393         }
 394         updateFragmentsVisibility(false);
 395         updateNavigationElementsInActionBar(null);
 396     }
 397
 398     protected void refreshListOfFilesFragment() {
 399         OCFileListFragment fileListFragment = getListOfFilesFragment();
 400         if (fileListFragment != null) {
 401             fileListFragment.listDirectory();
 402         }
 403     }
 404
 405     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 406         FileFragment secondFragment = getSecondFragment();
 407         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 408         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 409             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 410             OCFile fileInFragment = detailsFragment.getFile();
 411             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 412                 // the user browsed to other file ; forget the automatic preview
 413                 mWaitingToPreview = null;
 414
 415             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 416                 // grant that the right panel updates the progress bar
 417                 detailsFragment.listenForTransferProgress();
 418                 detailsFragment.updateFileDetails(true, false);
 419
 420             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 421                 //  update the right panel
 422                 boolean detailsFragmentChanged = false;
 423                 if (waitedPreview) {
 424                     if (success) {
 425                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 426                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 427                             startMediaPreview(mWaitingToPreview, 0, true);
 428                             detailsFragmentChanged = true;
 429                         } else {
 430                             getFileOperationsHelper().openFile(mWaitingToPreview);
 431                         }
 432                     }
 433                     mWaitingToPreview = null;
 434                 }
 435                 if (!detailsFragmentChanged) {
 436                     detailsFragment.updateFileDetails(false, (success));
 437                 }
 438             }
 439         }
 440     }
 441
 442     @Override
 443     public boolean onCreateOptionsMenu(Menu menu) {
 444         MenuInflater inflater = getSherlock().getMenuInflater();
 445         inflater.inflate(R.menu.main_menu, menu);
 446         return true;
 447     }
 448
 449     @Override
 450     public boolean onOptionsItemSelected(MenuItem item) {
 451         boolean retval = true;
 452         switch (item.getItemId()) {
 453         case R.id.action_create_dir: {
 454             CreateFolderDialogFragment dialog =
 455                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 456             dialog.show(getSupportFragmentManager(), "createdirdialog");
 457             break;
 458         }
 459         case R.id.action_sync_account: {
 460             startSynchronization();
 461             break;
 462         }
 463         case R.id.action_upload: {
 464             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 465             break;
 466         }
 467         case R.id.action_settings: {
 468             Intent settingsIntent = new Intent(this, Preferences.class);
 469             startActivity(settingsIntent);
 470             break;
 471         }
 472         case android.R.id.home: {
 473             FileFragment second = getSecondFragment();
 474             OCFile currentDir = getCurrentDir();
 475             if((currentDir != null && currentDir.getParentId() != 0) ||
 476                     (second != null && second.getFile() != null)) {
 477                 onBackPressed();
 478
 479             }
 480             break;
 481         }
 482         default:
 483             retval = super.onOptionsItemSelected(item);
 484         }
 485         return retval;
 486     }
 487
 488     private void startSynchronization() {
 489         Log_OC.e(TAG, "Got to start sync");
 490         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 491             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 492             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 493             Bundle bundle = new Bundle();
 494             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 495             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 496             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 497             ContentResolver.requestSync(
 498                     getAccount(),
 499                     MainApp.getAuthority(), bundle);
 500         } else {
 501             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 502             SyncRequest.Builder builder = new SyncRequest.Builder();
 503             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 504             builder.setExpedited(true);
 505             builder.setManual(true);
 506             builder.syncOnce();
 507             SyncRequest request = builder.build();
 508             ContentResolver.requestSync(request);
 509         }
 510     }
 511
 512
 513     @Override
 514     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 515         if (itemPosition != 0) {
 516             String targetPath = "";
 517             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 518                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 519             }
 520             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 521             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 522             if (targetFolder != null) {
 523                 browseTo(targetFolder);
 524             }
 525
 526             // the next operation triggers a new call to this method, but it's necessary to
 527             // ensure that the name exposed in the action bar is the current directory when the
 528             // user selected it in the navigation list
 529             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 530                 getSupportActionBar().setSelectedNavigationItem(0);
 531         }
 532         return true;
 533     }
 534
 535     /**
 536      * Called, when the user selected something for uploading
 537      */
 538     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 539         super.onActivityResult(requestCode, resultCode, data);
 540
 541         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 542             requestSimpleUpload(data, resultCode);
 543
 544         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 545             requestMultipleUpload(data, resultCode);
 546
 547         }
 548     }
 549
 550     private void requestMultipleUpload(Intent data, int resultCode) {
 551         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 552         if (filePaths != null) {
 553             String[] remotePaths = new String[filePaths.length];
 554             String remotePathBase = "";
 555             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 556                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 557             }
 558             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 559                 remotePathBase += OCFile.PATH_SEPARATOR;
 560             for (int j = 0; j< remotePaths.length; j++) {
 561                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 562             }
 563
 564             Intent i = new Intent(this, FileUploader.class);
 565             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 566             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 567             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 568             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 569             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 570                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 571             startService(i);
 572
 573         } else {
 574             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 575             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 576             t.show();
 577             return;
 578         }
 579     }
 580
 581
 582     private void requestSimpleUpload(Intent data, int resultCode) {
 583         String filepath = null;
 584         try {
 585             Uri selectedImageUri = data.getData();
 586
 587             String filemanagerstring = selectedImageUri.getPath();
 588             String selectedImagePath = getPath(selectedImageUri);
 589
 590             if (selectedImagePath != null)
 591                 filepath = selectedImagePath;
 592             else
 593                 filepath = filemanagerstring;
 594
 595         } catch (Exception e) {
 596             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 597             e.printStackTrace();
 598
 599         } finally {
 600             if (filepath == null) {
 601                 Log_OC.e(TAG, "Couldnt resolve path to file");
 602                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 603                 t.show();
 604                 return;
 605             }
 606         }
 607
 608         Intent i = new Intent(this, FileUploader.class);
 609         i.putExtra(FileUploader.KEY_ACCOUNT,
 610                 getAccount());
 611         String remotepath = new String();
 612         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 613             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 614         }
 615         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 616             remotepath += OCFile.PATH_SEPARATOR;
 617         remotepath += new File(filepath).getName();
 618
 619         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 620         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 621         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 622         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 623             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 624         startService(i);
 625     }
 626
 627     @Override
 628     public void onBackPressed() {
 629         OCFileListFragment listOfFiles = getListOfFilesFragment();
 630         if (mDualPane || getSecondFragment() == null) {
 631             if (listOfFiles != null) {  // should never be null, indeed
 632                 if (mDirectories.getCount() <= 1) {
 633                     finish();
 634                     return;
 635                 }
 636                 int levelsUp = listOfFiles.onBrowseUp();
 637                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 638                     popDirname();
 639                 }
 640             }
 641         }
 642         if (listOfFiles != null) {  // should never be null, indeed
 643             setFile(listOfFiles.getCurrentFile());
 644         }
 645         cleanSecondFragment();
 646
 647     }
 648
 649     @Override
 650     protected void onSaveInstanceState(Bundle outState) {
 651         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 652         Log_OC.e(TAG, "onSaveInstanceState() start");
 653         super.onSaveInstanceState(outState);
 654         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 655         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 656         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 657         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 658
 659         Log_OC.d(TAG, "onSaveInstanceState() end");
 660     }
 661
 662
 663
 664     @Override
 665     protected void onResume() {
 666         super.onResume();
 667         Log_OC.e(TAG, "onResume() start");
 668
 669         // Listen for sync messages
 670         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 671         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 672         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 673         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 674         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 675         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 676         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 677         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 678
 679         // Listen for upload messages
 680         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 681         mUploadFinishReceiver = new UploadFinishReceiver();
 682         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 683
 684         // Listen for download messages
 685         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 686         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 687         mDownloadFinishReceiver = new DownloadFinishReceiver();
 688         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 689
 690         Log_OC.d(TAG, "onResume() end");
 691     }
 692
 693
 694     @Override
 695     protected void onPause() {
 696         super.onPause();
 697         Log_OC.e(TAG, "onPause() start");
 698         if (mSyncBroadcastReceiver != null) {
 699             unregisterReceiver(mSyncBroadcastReceiver);
 700             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 701             mSyncBroadcastReceiver = null;
 702         }
 703         if (mUploadFinishReceiver != null) {
 704             unregisterReceiver(mUploadFinishReceiver);
 705             mUploadFinishReceiver = null;
 706         }
 707         if (mDownloadFinishReceiver != null) {
 708             unregisterReceiver(mDownloadFinishReceiver);
 709             mDownloadFinishReceiver = null;
 710         }
 711
 712         dismissLoadingDialog();
 713
 714         Log_OC.d(TAG, "onPause() end");
 715     }
 716
 717
 718     @Override
 719     protected Dialog onCreateDialog(int id) {
 720         Dialog dialog = null;
 721         AlertDialog.Builder builder;
 722         switch (id) {
 723         case DIALOG_SHORT_WAIT: {
 724             ProgressDialog working_dialog = new ProgressDialog(this);
 725             working_dialog.setMessage(getResources().getString(
 726                     R.string.wait_a_moment));
 727             working_dialog.setIndeterminate(true);
 728             working_dialog.setCancelable(false);
 729             dialog = working_dialog;
 730             break;
 731         }
 732         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 733
 734             String[] items = null;
 735
 736             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 737                     getString(R.string.actionbar_upload_from_apps),
 738                     getString(R.string.actionbar_failed_instant_upload) };
 739
 740             String[] commonItems = { getString(R.string.actionbar_upload_files),
 741                     getString(R.string.actionbar_upload_from_apps) };
 742
 743             if (InstantUploadActivity.IS_ENABLED)
 744                 items = allTheItems;
 745             else
 746                 items = commonItems;
 747
 748             builder = new AlertDialog.Builder(this);
 749             builder.setTitle(R.string.actionbar_upload);
 750             builder.setItems(items, new DialogInterface.OnClickListener() {
 751                 public void onClick(DialogInterface dialog, int item) {
 752                     if (item == 0) {
 753                         // if (!mDualPane) {
 754                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 755                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 756                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 757                             // } else {
 758                             // TODO create and handle new fragment
 759                             // LocalFileListFragment
 760                             // }
 761                     } else if (item == 1) {
 762                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 763                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 764                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 765                                 ACTION_SELECT_CONTENT_FROM_APPS);
 766                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 767                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 768                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 769                         startActivity(action);
 770                     }
 771                 }
 772             });
 773             dialog = builder.create();
 774             break;
 775         }
 776         case DIALOG_CERT_NOT_SAVED: {
 777             builder = new AlertDialog.Builder(this);
 778             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 779             builder.setCancelable(false);
 780             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 781                 @Override
 782                 public void onClick(DialogInterface dialog, int which) {
 783                     dialog.dismiss();
 784                 };
 785             });
 786             dialog = builder.create();
 787             break;
 788         }
 789         default:
 790             dialog = null;
 791         }
 792
 793         return dialog;
 794     }
 795
 796
 797     /**
 798      * Translates a content URI of an image to a physical path
 799      * on the disk
 800      * @param uri The URI to resolve
 801      * @return The path to the image or null if it could not be found
 802      */
 803     public String getPath(Uri uri) {
 804         String[] projection = { MediaStore.Images.Media.DATA };
 805         Cursor cursor = managedQuery(uri, projection, null, null, null);
 806         if (cursor != null) {
 807             int column_index = cursor
 808                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 809             cursor.moveToFirst();
 810             return cursor.getString(column_index);
 811         }
 812         return null;
 813     }
 814
 815     /**
 816      * Pushes a directory to the drop down list
 817      * @param directory to push
 818      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 819      */
 820     public void pushDirname(OCFile directory) {
 821         if(!directory.isFolder()){
 822             throw new IllegalArgumentException("Only directories may be pushed!");
 823         }
 824         mDirectories.insert(directory.getFileName(), 0);
 825         setFile(directory);
 826     }
 827
 828     /**
 829      * Pops a directory name from the drop down list
 830      * @return True, unless the stack is empty
 831      */
 832     public boolean popDirname() {
 833         mDirectories.remove(mDirectories.getItem(0));
 834         return !mDirectories.isEmpty();
 835     }
 836
 837     // Custom array adapter to override text colors
 838     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 839
 840         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 841             super(ctx, view);
 842         }
 843
 844         public View getView(int position, View convertView, ViewGroup parent) {
 845             View v = super.getView(position, convertView, parent);
 846
 847             ((TextView) v).setTextColor(getResources().getColorStateList(
 848                     android.R.color.white));
 849
 850             fixRoot((TextView) v );
 851             return v;
 852         }
 853
 854         public View getDropDownView(int position, View convertView,
 855                 ViewGroup parent) {
 856             View v = super.getDropDownView(position, convertView, parent);
 857
 858             ((TextView) v).setTextColor(getResources().getColorStateList(
 859                     android.R.color.white));
 860
 861             fixRoot((TextView) v );
 862             return v;
 863         }
 864
 865         private void fixRoot(TextView v) {
 866             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 867                 v.setText(R.string.default_display_name_for_root_folder);
 868             }
 869         }
 870
 871     }
 872
 873     private class SyncBroadcastReceiver extends BroadcastReceiver {
 874
 875         /**
 876          * {@link BroadcastReceiver} to enable syncing feedback in UI
 877          */
 878         @Override
 879         public void onReceive(Context context, Intent intent) {
 880             try {
 881                 String event = intent.getAction();
 882                 Log_OC.d(TAG, "Received broadcast " + event);
 883                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 884                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 885                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 886                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 887
 888                 if (sameAccount) {
 889
 890                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 891                         mSyncInProgress = true;
 892
 893                     } else {
 894                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 895                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 896
 897                         if (currentDir == null) {
 898                             // current folder was removed from the server
 899                             Toast.makeText( FileDisplayActivity.this,
 900                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 901                                             Toast.LENGTH_LONG)
 902                                 .show();
 903                             browseToRoot();
 904
 905                         } else {
 906                             if (currentFile == null && !getFile().isFolder()) {
 907                                 // currently selected file was removed in the server, and now we know it
 908                                 cleanSecondFragment();
 909                                 currentFile = currentDir;
 910                             }
 911
 912                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 913                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 914                                 if (fileListFragment != null) {
 915                                     fileListFragment.listDirectory(currentDir);
 916                                 }
 917                             }
 918                             setFile(currentFile);
 919                         }
 920
 921                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 922
 923                         }
 924                         removeStickyBroadcast(intent);
 925                         Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 926                         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 927                 }
 928
 929                 if (synchResult != null) {
 930                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 931                         mLastSslUntrustedServerResult = synchResult;
 932                     }
 933                 }
 934             } catch (RuntimeException e) {
 935                 // avoid app crashes after changing the serial id of RemoteOperationResult
 936                 // in owncloud library with broadcast notifications pending to process
 937                 removeStickyBroadcast(intent);
 938             }
 939         }
 940     }
 941
 942
 943     /**
 944      * Once the file upload has finished -> update view
 945      */
 946     private class UploadFinishReceiver extends BroadcastReceiver {
 947         /**
 948          * Once the file upload has finished -> update view
 949          *  @author David A. Velasco
 950          * {@link BroadcastReceiver} to enable upload feedback in UI
 951          */
 952         @Override
 953         public void onReceive(Context context, Intent intent) {
 954             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 955             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 956             boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
 957             OCFile currentDir = getCurrentDir();
 958             boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
 959                     (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
 960
 961             if (sameAccount && isDescendant) {
 962                 refreshListOfFilesFragment();
 963             }
 964
 965             boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 966             boolean renamedInUpload = getFile().getRemotePath().
 967                     equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 968             boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
 969                     renamedInUpload;
 970             FileFragment details = getSecondFragment();
 971             boolean detailFragmentIsShown = (details != null &&
 972                     details instanceof FileDetailFragment);
 973
 974             if (sameAccount && sameFile && detailFragmentIsShown) {
 975                 if (uploadWasFine) {
 976                     setFile(getStorageManager().getFileByPath(uploadedRemotePath));
 977                 }
 978                 if (renamedInUpload) {
 979                     String newName = (new File(uploadedRemotePath)).getName();
 980                     Toast msg = Toast.makeText(
 981                             context,
 982                             String.format(
 983                                     getString(R.string.filedetails_renamed_in_upload_msg),
 984                                     newName),
 985                             Toast.LENGTH_LONG);
 986                     msg.show();
 987                 }
 988                 if (uploadWasFine || getFile().fileExists()) {
 989                     ((FileDetailFragment)details).updateFileDetails(false, true);
 990                 } else {
 991                     cleanSecondFragment();
 992                 }
 993
 994                 // Force the preview if the file is an image
 995                 if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
 996                     startImagePreview(getFile());
 997                 } // TODO what about other kind of previews?
 998             }
 999
1000             removeStickyBroadcast(intent);
1001
1002         }
1003
1004     }
1005
1006
1007     /**
1008      * Class waiting for broadcast events from the {@link FielDownloader} service.
1009      *
1010      * Updates the UI when a download is started or finished, provided that it is relevant for the
1011      * current folder.
1012      */
1013     private class DownloadFinishReceiver extends BroadcastReceiver {
1014         @Override
1015         public void onReceive(Context context, Intent intent) {
1016             boolean sameAccount = isSameAccount(context, intent);
1017             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1018             boolean isDescendant = isDescendant(downloadedRemotePath);
1019
1020             if (sameAccount && isDescendant) {
1021                 refreshListOfFilesFragment();
1022                 refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1023             }
1024
1025             if (mWaitingToSend != null) {
1026                 mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1027                 if (mWaitingToSend.isDown()) {
1028                     sendDownloadedFile();
1029                 }
1030             }
1031
1032             removeStickyBroadcast(intent);
1033         }
1034
1035         private boolean isDescendant(String downloadedRemotePath) {
1036             OCFile currentDir = getCurrentDir();
1037             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1038         }
1039
1040         private boolean isSameAccount(Context context, Intent intent) {
1041             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1042             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1043         }
1044     }
1045
1046
1047     public void browseToRoot() {
1048         OCFileListFragment listOfFiles = getListOfFilesFragment();
1049         if (listOfFiles != null) {  // should never be null, indeed
1050             while (mDirectories.getCount() > 1) {
1051                 popDirname();
1052             }
1053             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1054             listOfFiles.listDirectory(root);
1055             setFile(listOfFiles.getCurrentFile());
1056             startSyncFolderOperation(root);
1057         }
1058         cleanSecondFragment();
1059     }
1060
1061
1062     public void browseTo(OCFile folder) {
1063         if (folder == null || !folder.isFolder()) {
1064             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1065         }
1066         OCFileListFragment listOfFiles = getListOfFilesFragment();
1067         if (listOfFiles != null) {
1068             setNavigationListWithFolder(folder);
1069             listOfFiles.listDirectory(folder);
1070             setFile(listOfFiles.getCurrentFile());
1071             startSyncFolderOperation(folder);
1072         } else {
1073             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1074         }
1075         cleanSecondFragment();
1076     }
1077
1078
1079     /**
1080      * {@inheritDoc}
1081      *
1082      * Updates action bar and second fragment, if in dual pane mode.
1083      */
1084     @Override
1085     public void onBrowsedDownTo(OCFile directory) {
1086         pushDirname(directory);
1087         cleanSecondFragment();
1088
1089         // Sync Folder
1090         startSyncFolderOperation(directory);
1091
1092     }
1093
1094     /**
1095      * Shows the information of the {@link OCFile} received as a
1096      * parameter in the second fragment.
1097      *
1098      * @param file          {@link OCFile} whose details will be shown
1099      */
1100     @Override
1101     public void showDetails(OCFile file) {
1102         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1103         setSecondFragment(detailFragment);
1104         updateFragmentsVisibility(true);
1105         updateNavigationElementsInActionBar(file);
1106         setFile(file);
1107     }
1108
1109
1110     /**
1111      * TODO
1112      */
1113     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1114         ActionBar actionBar = getSupportActionBar();
1115         if (chosenFile == null || mDualPane) {
1116             // only list of files - set for browsing through folders
1117             OCFile currentDir = getCurrentDir();
1118             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1119             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1120             actionBar.setDisplayShowTitleEnabled(!noRoot);
1121             if (!noRoot) {
1122                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1123             }
1124             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1125             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1126
1127         } else {
1128             actionBar.setDisplayHomeAsUpEnabled(true);
1129             actionBar.setDisplayShowTitleEnabled(true);
1130             actionBar.setTitle(chosenFile.getFileName());
1131             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1132         }
1133     }
1134
1135
1136     @Override
1137     protected ServiceConnection newTransferenceServiceConnection() {
1138         return new ListServiceConnection();
1139     }
1140
1141     /** Defines callbacks for service binding, passed to bindService() */
1142     private class ListServiceConnection implements ServiceConnection {
1143
1144         @Override
1145         public void onServiceConnected(ComponentName component, IBinder service) {
1146             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1147                 Log_OC.d(TAG, "Download service connected");
1148                 mDownloaderBinder = (FileDownloaderBinder) service;
1149                 if (mWaitingToPreview != null)
1150                     if (getStorageManager() != null) {
1151                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1152                         if (!mWaitingToPreview.isDown()) {
1153                             requestForDownload();
1154                         }
1155                 }
1156
1157             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1158                 Log_OC.d(TAG, "Upload service connected");
1159                 mUploaderBinder = (FileUploaderBinder) service;
1160             } else {
1161                 return;
1162             }
1163             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1164             OCFileListFragment listOfFiles = getListOfFilesFragment();
1165             if (listOfFiles != null) {
1166                 listOfFiles.listDirectory();
1167             }
1168             FileFragment secondFragment = getSecondFragment();
1169             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1170                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1171                 detailFragment.listenForTransferProgress();
1172                 detailFragment.updateFileDetails(false, false);
1173             }
1174         }
1175
1176         @Override
1177         public void onServiceDisconnected(ComponentName component) {
1178             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1179                 Log_OC.d(TAG, "Download service disconnected");
1180                 mDownloaderBinder = null;
1181             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1182                 Log_OC.d(TAG, "Upload service disconnected");
1183                 mUploaderBinder = null;
1184             }
1185         }
1186     };
1187
1188
1189
1190     /**
1191      * Launch an intent to request the PIN code to the user before letting him use the app
1192      */
1193     private void requestPinCode() {
1194         boolean pinStart = false;
1195         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1196         pinStart = appPrefs.getBoolean("set_pincode", false);
1197         if (pinStart) {
1198             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1199             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1200             startActivity(i);
1201         }
1202     }
1203
1204
1205     @Override
1206     public void onSavedCertificate() {
1207         startSyncFolderOperation(getCurrentDir());
1208     }
1209
1210
1211     @Override
1212     public void onFailedSavingCertificate() {
1213         showDialog(DIALOG_CERT_NOT_SAVED);
1214     }
1215
1216     @Override
1217     public void onCancelCertificate() {
1218         // nothing to do
1219     }
1220
1221     /**
1222      * Updates the view associated to the activity after the finish of some operation over files
1223      * in the current account.
1224      *
1225      * @param operation     Removal operation performed.
1226      * @param result        Result of the removal.
1227      */
1228     @Override
1229     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1230         super.onRemoteOperationFinish(operation, result);
1231
1232         if (operation instanceof RemoveFileOperation) {
1233             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1234
1235         } else if (operation instanceof RenameFileOperation) {
1236             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1237
1238         } else if (operation instanceof SynchronizeFileOperation) {
1239             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1240
1241         } else if (operation instanceof CreateFolderOperation) {
1242             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1243
1244         } else if (operation instanceof CreateShareOperation) {
1245             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1246
1247         } else if (operation instanceof UnshareLinkOperation) {
1248             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1249
1250         }
1251
1252     }
1253
1254
1255     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1256         if (result.isSuccess()) {
1257             refreshShowDetails();
1258             refreshListOfFilesFragment();
1259         }
1260     }
1261
1262
1263     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1264         if (result.isSuccess()) {
1265             refreshShowDetails();
1266             refreshListOfFilesFragment();
1267
1268         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1269             cleanSecondFragment();
1270             refreshListOfFilesFragment();
1271         }
1272     }
1273
1274     private void refreshShowDetails() {
1275         FileFragment details = getSecondFragment();
1276         if (details != null) {
1277             OCFile file = details.getFile();
1278             if (file != null) {
1279                 file = getStorageManager().getFileByPath(file.getRemotePath());
1280                 if (details instanceof PreviewMediaFragment) {
1281                     // Refresh  OCFile of the fragment
1282                     ((PreviewMediaFragment) details).updateFile(file);
1283                 } else {
1284                     showDetails(file);
1285                 }
1286             }
1287             invalidateOptionsMenu();
1288         }
1289     }
1290
1291     /**
1292      * Updates the view associated to the activity after the finish of an operation trying to remove a
1293      * file.
1294      *
1295      * @param operation     Removal operation performed.
1296      * @param result        Result of the removal.
1297      */
1298     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1299         dismissLoadingDialog();
1300         if (result.isSuccess()) {
1301             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1302             msg.show();
1303             OCFile removedFile = operation.getFile();
1304             FileFragment second = getSecondFragment();
1305             if (second != null && removedFile.equals(second.getFile())) {
1306                 if (second instanceof PreviewMediaFragment) {
1307                     ((PreviewMediaFragment)second).stopPreview(true);
1308                 }
1309                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1310                 cleanSecondFragment();
1311             }
1312             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1313                 refreshListOfFilesFragment();
1314             }
1315             invalidateOptionsMenu();
1316         } else {
1317             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1318             msg.show();
1319             if (result.isSslRecoverableException()) {
1320                 mLastSslUntrustedServerResult = result;
1321                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1322             }
1323         }
1324     }
1325
1326
1327     /**
1328      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1329      *
1330      * @param operation     Creation operation performed.
1331      * @param result        Result of the creation.
1332      */
1333     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1334         if (result.isSuccess()) {
1335             dismissLoadingDialog();
1336             refreshListOfFilesFragment();
1337         } else {
1338             dismissLoadingDialog();
1339             if (result.getCode() == ResultCode.INVALID_CHARACTER_IN_NAME) {
1340                 Toast.makeText(FileDisplayActivity.this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG).show();
1341             } else {
1342             try {
1343                 Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
1344                 msg.show();
1345
1346             } catch (NotFoundException e) {
1347                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1348             }
1349             }
1350         }
1351     }
1352
1353
1354     /**
1355      * Updates the view associated to the activity after the finish of an operation trying to rename a
1356      * file.
1357      *
1358      * @param operation     Renaming operation performed.
1359      * @param result        Result of the renaming.
1360      */
1361     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1362         dismissLoadingDialog();
1363         OCFile renamedFile = operation.getFile();
1364         if (result.isSuccess()) {
1365             FileFragment details = getSecondFragment();
1366             if (details != null)
1367                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1368                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1369                     showDetails(renamedFile);
1370
1371             } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1372                 ((PreviewMediaFragment) details).updateFile(renamedFile);
1373                 if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1374                     int position = ((PreviewMediaFragment)details).getPosition();
1375                     startMediaPreview(renamedFile, position, true);
1376                 } else {
1377                     getFileOperationsHelper().openFile(renamedFile);
1378                 }
1379             }
1380
1381             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1382                 refreshListOfFilesFragment();
1383             }
1384
1385         } else {
1386             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1387                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1388                 msg.show();
1389                 // TODO throw again the new rename dialog
1390             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
1391                 Toast msg = Toast.makeText(this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
1392                 msg.show();
1393             } else {
1394                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1395                 msg.show();
1396                 if (result.isSslRecoverableException()) {
1397                     mLastSslUntrustedServerResult = result;
1398                     showUntrustedCertDialog(mLastSslUntrustedServerResult);
1399                 }
1400             }
1401         }
1402     }
1403
1404     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1405         dismissLoadingDialog();
1406         OCFile syncedFile = operation.getLocalFile();
1407         if (!result.isSuccess()) {
1408             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1409                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1410                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1411                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1412                 startActivity(i);
1413
1414             }
1415
1416         } else {
1417             if (operation.transferWasRequested()) {
1418                 onTransferStateChanged(syncedFile, true, true);
1419
1420             } else {
1421                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1422                 msg.show();
1423             }
1424         }
1425     }
1426
1427
1428     /**
1429      * {@inheritDoc}
1430      */
1431     @Override
1432     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1433         refreshListOfFilesFragment();
1434         FileFragment details = getSecondFragment();
1435         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1436             if (downloading || uploading) {
1437                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1438             } else {
1439                 if (!file.fileExists()) {
1440                     cleanSecondFragment();
1441                 } else {
1442                     ((FileDetailFragment)details).updateFileDetails(false, true);
1443                 }
1444             }
1445         }
1446     }
1447
1448
1449     private void requestForDownload() {
1450         Account account = getAccount();
1451         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1452             Intent i = new Intent(this, FileDownloader.class);
1453             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1454             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1455             startService(i);
1456         }
1457     }
1458
1459
1460     private OCFile getCurrentDir() {
1461         OCFile file = getFile();
1462         if (file != null) {
1463             if (file.isFolder()) {
1464                 return file;
1465             } else if (getStorageManager() != null) {
1466                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1467                 return getStorageManager().getFileByPath(parentPath);
1468             }
1469         }
1470         return null;
1471     }
1472
1473     public void startSyncFolderOperation(OCFile folder) {
1474         long currentSyncTime = System.currentTimeMillis();
1475
1476         mSyncInProgress = true;
1477
1478         // perform folder synchronization
1479         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1480                                                                         currentSyncTime,
1481                                                                         false,
1482                                                                         getFileOperationsHelper().isSharedSupported(),
1483                                                                         getStorageManager(),
1484                                                                         getAccount(),
1485                                                                         getApplicationContext()
1486                                                                       );
1487         synchFolderOp.execute(getAccount(), this, null, null, this);
1488
1489         setSupportProgressBarIndeterminateVisibility(true);
1490     }
1491
1492     /**
1493      * Show untrusted cert dialog
1494      */
1495     public void showUntrustedCertDialog(RemoteOperationResult result) {
1496         // Show a dialog with the certificate info
1497         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1498         FragmentManager fm = getSupportFragmentManager();
1499         FragmentTransaction ft = fm.beginTransaction();
1500         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1501     }
1502
1503     private void requestForDownload(OCFile file) {
1504         Account account = getAccount();
1505         if (!mDownloaderBinder.isDownloading(account, file)) {
1506             Intent i = new Intent(this, FileDownloader.class);
1507             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1508             i.putExtra(FileDownloader.EXTRA_FILE, file);
1509             startService(i);
1510         }
1511     }
1512
1513     private void sendDownloadedFile(){
1514         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1515         mWaitingToSend = null;
1516     }
1517
1518
1519     /**
1520      * Requests the download of the received {@link OCFile} , updates the UI
1521      * to monitor the download progress and prepares the activity to send the file
1522      * when the download finishes.
1523      *
1524      * @param file          {@link OCFile} to download and preview.
1525      */
1526     public void startDownloadForSending(OCFile file) {
1527         mWaitingToSend = file;
1528         requestForDownload(mWaitingToSend);
1529         boolean hasSecondFragment = (getSecondFragment()!= null);
1530         updateFragmentsVisibility(hasSecondFragment);
1531     }
1532
1533     /**
1534      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1535      *
1536      * @param file                      Image {@link OCFile} to show.
1537      */
1538     public void startImagePreview(OCFile file) {
1539         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1540         showDetailsIntent.putExtra(EXTRA_FILE, file);
1541         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1542         startActivity(showDetailsIntent);
1543     }
1544
1545     /**
1546      * Stars the preview of an already down media {@link OCFile}.
1547      *
1548      * @param file                      Media {@link OCFile} to preview.
1549      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1550      * @param autoplay                  When 'true', the playback will start without user interactions.
1551      */
1552     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1553         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1554         setSecondFragment(mediaFragment);
1555         updateFragmentsVisibility(true);
1556         updateNavigationElementsInActionBar(file);
1557         setFile(file);
1558     }
1559
1560     /**
1561      * Requests the download of the received {@link OCFile} , updates the UI
1562      * to monitor the download progress and prepares the activity to preview
1563      * or open the file when the download finishes.
1564      *
1565      * @param file          {@link OCFile} to download and preview.
1566      */
1567     public void startDownloadForPreview(OCFile file) {
1568         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1569         setSecondFragment(detailFragment);
1570         mWaitingToPreview = file;
1571         requestForDownload();
1572         updateFragmentsVisibility(true);
1573         updateNavigationElementsInActionBar(file);
1574         setFile(file);
1575     }
1576
1577
1578     public void cancelTransference(OCFile file) {
1579         getFileOperationsHelper().cancelTransference(file);
1580         if (mWaitingToPreview != null &&
1581                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1582             mWaitingToPreview = null;
1583         }
1584         if (mWaitingToSend != null &&
1585                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1586             mWaitingToSend = null;
1587         }
1588         onTransferStateChanged(file, false, false);
1589     }
1590
1591 }