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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 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.ErrorMessageAdapter;
  94 import com.owncloud.android.utils.Log_OC;
  95
  96
  97 /**
  98  * Displays, what files the user has available in his ownCloud.
  99  *
 100  * @author Bartek Przybylski
 101  * @author David A. Velasco
 102  */
 103
 104 public class FileDisplayActivity extends HookActivity implements
 105 FileFragment.ContainerActivity, OnNavigationListener, OnSslUntrustedCertListener {
 106
 107     private ArrayAdapter<String> mDirectories;
 108
 109     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 110     private UploadFinishReceiver mUploadFinishReceiver;
 111     private DownloadFinishReceiver mDownloadFinishReceiver;
 112     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 113
 114     private boolean mDualPane;
 115     private View mLeftFragmentContainer;
 116     private View mRightFragmentContainer;
 117
 118     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 119     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 120     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 121
 122     public static final int DIALOG_SHORT_WAIT = 0;
 123     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 124     private static final int DIALOG_CERT_NOT_SAVED = 2;
 125
 126     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 127
 128     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 129     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 130
 131     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 132
 133     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 134     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 135
 136     private OCFile mWaitingToPreview;
 137
 138     private boolean mSyncInProgress = false;
 139
 140     private String DIALOG_UNTRUSTED_CERT;
 141
 142     private OCFile mWaitingToSend;
 143
 144     @Override
 145     protected void onCreate(Bundle savedInstanceState) {
 146         Log_OC.d(TAG, "onCreate() start");
 147         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 148
 149         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 150
 151         // PIN CODE request ;  best location is to decide, let's try this first
 152         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 153             requestPinCode();
 154         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 155             requestPinCode();
 156         }
 157
 158         /// file observer
 159         Intent observer_intent = new Intent(this, FileObserverService.class);
 160         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 161         startService(observer_intent);
 162
 163         /// Load of saved instance state
 164         if(savedInstanceState != null) {
 165             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 166             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 167             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 168
 169         } else {
 170             mWaitingToPreview = null;
 171             mSyncInProgress = false;
 172             mWaitingToSend = null;
 173         }
 174
 175         /// USER INTERFACE
 176
 177         // Inflate and set the layout view
 178         setContentView(R.layout.files);
 179         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 180         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 181         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 182         if (savedInstanceState == null) {
 183             createMinFragments();
 184         }
 185
 186         // Action bar setup
 187         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 188         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 189         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 190
 191         Log_OC.d(TAG, "onCreate() end");
 192     }
 193
 194     @Override
 195     protected void onStart() {
 196         super.onStart();
 197         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 198     }
 199
 200     @Override
 201     protected void onDestroy() {
 202         super.onDestroy();
 203     }
 204
 205     /**
 206      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 207      */
 208     @Override
 209     protected void onAccountSet(boolean stateWasRecovered) {
 210         super.onAccountSet(stateWasRecovered);
 211         if (getAccount() != null) {
 212             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 213             OCFile file = getFile();
 214             // get parent from path
 215             String parentPath = "";
 216             if (file != null) {
 217                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 218                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 219                     // get parent from path
 220                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 221                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 222                         file = null; // not able to know the directory where the file is uploading
 223                 } else {
 224                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 225                 }
 226             }
 227             if (file == null) {
 228                 // fall back to root folder
 229                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 230             }
 231             setFile(file);
 232             setNavigationListWithFolder(file);
 233
 234             if (!stateWasRecovered) {
 235                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 236                 initFragmentsWithFile();
 237                 if (file.isFolder()) {
 238                     startSyncFolderOperation(file);
 239                 }
 240
 241             } else {
 242                 updateFragmentsVisibility(!file.isFolder());
 243                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 244             }
 245         }
 246     }
 247
 248
 249     private void setNavigationListWithFolder(OCFile file) {
 250         mDirectories.clear();
 251         OCFile fileIt = file;
 252         String parentPath;
 253         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 254             if (fileIt.isFolder()) {
 255                 mDirectories.add(fileIt.getFileName());
 256             }
 257             // get parent from path
 258             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 259             fileIt = getStorageManager().getFileByPath(parentPath);
 260         }
 261         mDirectories.add(OCFile.PATH_SEPARATOR);
 262     }
 263
 264
 265     private void createMinFragments() {
 266         OCFileListFragment listOfFiles = new OCFileListFragment();
 267         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 268         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 269         transaction.commit();
 270     }
 271
 272     private void initFragmentsWithFile() {
 273         if (getAccount() != null && getFile() != null) {
 274             /// First fragment
 275             OCFileListFragment listOfFiles = getListOfFilesFragment();
 276             if (listOfFiles != null) {
 277                 listOfFiles.listDirectory(getCurrentDir());
 278             } else {
 279                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 280             }
 281
 282             /// Second fragment
 283             OCFile file = getFile();
 284             Fragment secondFragment = chooseInitialSecondFragment(file);
 285             if (secondFragment != null) {
 286                 setSecondFragment(secondFragment);
 287                 updateFragmentsVisibility(true);
 288                 updateNavigationElementsInActionBar(file);
 289
 290             } else {
 291                 cleanSecondFragment();
 292             }
 293
 294         } else {
 295             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 296             if (getAccount() == null) {
 297                 Log.wtf(TAG, "\t account is NULL");
 298             }
 299             if (getFile() == null) {
 300                 Log.wtf(TAG, "\t file is NULL");
 301             }
 302         }
 303     }
 304
 305     private Fragment chooseInitialSecondFragment(OCFile file) {
 306         Fragment secondFragment = null;
 307         if (file != null && !file.isFolder()) {
 308             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 309                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 310                     ) {
 311                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 312                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 313                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 314
 315             } else {
 316                 secondFragment = new FileDetailFragment(file, getAccount());
 317             }
 318         }
 319         return secondFragment;
 320     }
 321
 322
 323     /**
 324      * Replaces the second fragment managed by the activity with the received as
 325      * a parameter.
 326      *
 327      * Assumes never will be more than two fragments managed at the same time.
 328      *
 329      * @param fragment      New second Fragment to set.
 330      */
 331     private void setSecondFragment(Fragment fragment) {
 332         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 333         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 334         transaction.commit();
 335     }
 336
 337
 338     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 339         if (mDualPane) {
 340             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 341                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 342             }
 343             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 344                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 345             }
 346
 347         } else if (existsSecondFragment) {
 348             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 349                 mLeftFragmentContainer.setVisibility(View.GONE);
 350             }
 351             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 352                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 353             }
 354
 355         } else {
 356             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 357                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 358             }
 359             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 360                 mRightFragmentContainer.setVisibility(View.GONE);
 361             }
 362         }
 363     }
 364
 365
 366     private OCFileListFragment getListOfFilesFragment() {
 367         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 368         if (listOfFiles != null) {
 369             return (OCFileListFragment)listOfFiles;
 370         }
 371         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 372         return null;
 373     }
 374
 375     public FileFragment getSecondFragment() {
 376         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 377         if (second != null) {
 378             return (FileFragment)second;
 379         }
 380         return null;
 381     }
 382
 383     protected void cleanSecondFragment() {
 384         Fragment second = getSecondFragment();
 385         if (second != null) {
 386             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 387             tr.remove(second);
 388             tr.commit();
 389         }
 390         updateFragmentsVisibility(false);
 391         updateNavigationElementsInActionBar(null);
 392     }
 393
 394     protected void refreshListOfFilesFragment() {
 395         OCFileListFragment fileListFragment = getListOfFilesFragment();
 396         if (fileListFragment != null) {
 397             fileListFragment.listDirectory();
 398         }
 399     }
 400
 401     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 402         FileFragment secondFragment = getSecondFragment();
 403         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 404         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 405             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 406             OCFile fileInFragment = detailsFragment.getFile();
 407             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 408                 // the user browsed to other file ; forget the automatic preview
 409                 mWaitingToPreview = null;
 410
 411             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 412                 // grant that the right panel updates the progress bar
 413                 detailsFragment.listenForTransferProgress();
 414                 detailsFragment.updateFileDetails(true, false);
 415
 416             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 417                 //  update the right panel
 418                 boolean detailsFragmentChanged = false;
 419                 if (waitedPreview) {
 420                     if (success) {
 421                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 422                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 423                             startMediaPreview(mWaitingToPreview, 0, true);
 424                             detailsFragmentChanged = true;
 425                         } else {
 426                             getFileOperationsHelper().openFile(mWaitingToPreview);
 427                         }
 428                     }
 429                     mWaitingToPreview = null;
 430                 }
 431                 if (!detailsFragmentChanged) {
 432                     detailsFragment.updateFileDetails(false, (success));
 433                 }
 434             }
 435         }
 436     }
 437
 438     @Override
 439     public boolean onCreateOptionsMenu(Menu menu) {
 440         MenuInflater inflater = getSherlock().getMenuInflater();
 441         inflater.inflate(R.menu.main_menu, menu);
 442         return true;
 443     }
 444
 445     @Override
 446     public boolean onOptionsItemSelected(MenuItem item) {
 447         boolean retval = true;
 448         switch (item.getItemId()) {
 449         case R.id.action_create_dir: {
 450             CreateFolderDialogFragment dialog =
 451                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 452             dialog.show(getSupportFragmentManager(), "createdirdialog");
 453             break;
 454         }
 455         case R.id.action_sync_account: {
 456             startSynchronization();
 457             break;
 458         }
 459         case R.id.action_upload: {
 460             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 461             break;
 462         }
 463         case R.id.action_settings: {
 464             Intent settingsIntent = new Intent(this, Preferences.class);
 465             startActivity(settingsIntent);
 466             break;
 467         }
 468         case android.R.id.home: {
 469             FileFragment second = getSecondFragment();
 470             OCFile currentDir = getCurrentDir();
 471             if((currentDir != null && currentDir.getParentId() != 0) ||
 472                     (second != null && second.getFile() != null)) {
 473                 onBackPressed();
 474
 475             }
 476             break;
 477         }
 478         default:
 479             retval = super.onOptionsItemSelected(item);
 480         }
 481         return retval;
 482     }
 483
 484     private void startSynchronization() {
 485         Log_OC.e(TAG, "Got to start sync");
 486         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 487             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 488             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 489             Bundle bundle = new Bundle();
 490             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 491             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 492             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 493             ContentResolver.requestSync(
 494                     getAccount(),
 495                     MainApp.getAuthority(), bundle);
 496         } else {
 497             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 498             SyncRequest.Builder builder = new SyncRequest.Builder();
 499             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 500             builder.setExpedited(true);
 501             builder.setManual(true);
 502             builder.syncOnce();
 503             SyncRequest request = builder.build();
 504             ContentResolver.requestSync(request);
 505         }
 506     }
 507
 508
 509     @Override
 510     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 511         if (itemPosition != 0) {
 512             String targetPath = "";
 513             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 514                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 515             }
 516             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 517             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 518             if (targetFolder != null) {
 519                 browseTo(targetFolder);
 520             }
 521
 522             // the next operation triggers a new call to this method, but it's necessary to
 523             // ensure that the name exposed in the action bar is the current directory when the
 524             // user selected it in the navigation list
 525             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 526                 getSupportActionBar().setSelectedNavigationItem(0);
 527         }
 528         return true;
 529     }
 530
 531     /**
 532      * Called, when the user selected something for uploading
 533      */
 534     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 535         super.onActivityResult(requestCode, resultCode, data);
 536
 537         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 538             requestSimpleUpload(data, resultCode);
 539
 540         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 541             requestMultipleUpload(data, resultCode);
 542
 543         }
 544     }
 545
 546     private void requestMultipleUpload(Intent data, int resultCode) {
 547         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 548         if (filePaths != null) {
 549             String[] remotePaths = new String[filePaths.length];
 550             String remotePathBase = "";
 551             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 552                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 553             }
 554             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 555                 remotePathBase += OCFile.PATH_SEPARATOR;
 556             for (int j = 0; j< remotePaths.length; j++) {
 557                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 558             }
 559
 560             Intent i = new Intent(this, FileUploader.class);
 561             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 562             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 563             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 564             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 565             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 566                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 567             startService(i);
 568
 569         } else {
 570             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 571             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 572             t.show();
 573             return;
 574         }
 575     }
 576
 577
 578     private void requestSimpleUpload(Intent data, int resultCode) {
 579         String filepath = null;
 580         try {
 581             Uri selectedImageUri = data.getData();
 582
 583             String filemanagerstring = selectedImageUri.getPath();
 584             String selectedImagePath = getPath(selectedImageUri);
 585
 586             if (selectedImagePath != null)
 587                 filepath = selectedImagePath;
 588             else
 589                 filepath = filemanagerstring;
 590
 591         } catch (Exception e) {
 592             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 593             e.printStackTrace();
 594
 595         } finally {
 596             if (filepath == null) {
 597                 Log_OC.e(TAG, "Couldnt resolve path to file");
 598                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 599                 t.show();
 600                 return;
 601             }
 602         }
 603
 604         Intent i = new Intent(this, FileUploader.class);
 605         i.putExtra(FileUploader.KEY_ACCOUNT,
 606                 getAccount());
 607         String remotepath = new String();
 608         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 609             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 610         }
 611         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 612             remotepath += OCFile.PATH_SEPARATOR;
 613         remotepath += new File(filepath).getName();
 614
 615         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 616         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 617         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 618         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 619             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 620         startService(i);
 621     }
 622
 623     @Override
 624     public void onBackPressed() {
 625         OCFileListFragment listOfFiles = getListOfFilesFragment();
 626         if (mDualPane || getSecondFragment() == null) {
 627             if (listOfFiles != null) {  // should never be null, indeed
 628                 if (mDirectories.getCount() <= 1) {
 629                     finish();
 630                     return;
 631                 }
 632                 int levelsUp = listOfFiles.onBrowseUp();
 633                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 634                     popDirname();
 635                 }
 636             }
 637         }
 638         if (listOfFiles != null) {  // should never be null, indeed
 639             setFile(listOfFiles.getCurrentFile());
 640         }
 641         cleanSecondFragment();
 642
 643     }
 644
 645     @Override
 646     protected void onSaveInstanceState(Bundle outState) {
 647         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 648         Log_OC.e(TAG, "onSaveInstanceState() start");
 649         super.onSaveInstanceState(outState);
 650         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 651         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 652         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 653         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 654
 655         Log_OC.d(TAG, "onSaveInstanceState() end");
 656     }
 657
 658
 659
 660     @Override
 661     protected void onResume() {
 662         super.onResume();
 663         Log_OC.e(TAG, "onResume() start");
 664
 665         // refresh list of files
 666         refreshListOfFilesFragment();
 667
 668         // Listen for sync messages
 669         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 670         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 671         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 672         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 673         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 674         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 675         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 676         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 677
 678         // Listen for upload messages
 679         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 680         mUploadFinishReceiver = new UploadFinishReceiver();
 681         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 682
 683         // Listen for download messages
 684         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 685         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 686         mDownloadFinishReceiver = new DownloadFinishReceiver();
 687         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 688
 689         Log_OC.d(TAG, "onResume() end");
 690     }
 691
 692
 693     @Override
 694     protected void onPause() {
 695         Log_OC.e(TAG, "onPause() start");
 696         if (mSyncBroadcastReceiver != null) {
 697             unregisterReceiver(mSyncBroadcastReceiver);
 698             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 699             mSyncBroadcastReceiver = null;
 700         }
 701         if (mUploadFinishReceiver != null) {
 702             unregisterReceiver(mUploadFinishReceiver);
 703             mUploadFinishReceiver = null;
 704         }
 705         if (mDownloadFinishReceiver != null) {
 706             unregisterReceiver(mDownloadFinishReceiver);
 707             mDownloadFinishReceiver = null;
 708         }
 709
 710
 711         Log_OC.d(TAG, "onPause() end");
 712         super.onPause();
 713     }
 714
 715
 716     @Override
 717     protected Dialog onCreateDialog(int id) {
 718         Dialog dialog = null;
 719         AlertDialog.Builder builder;
 720         switch (id) {
 721         case DIALOG_SHORT_WAIT: {
 722             ProgressDialog working_dialog = new ProgressDialog(this);
 723             working_dialog.setMessage(getResources().getString(
 724                     R.string.wait_a_moment));
 725             working_dialog.setIndeterminate(true);
 726             working_dialog.setCancelable(false);
 727             dialog = working_dialog;
 728             break;
 729         }
 730         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 731
 732             String[] items = null;
 733
 734             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 735                     getString(R.string.actionbar_upload_from_apps),
 736                     getString(R.string.actionbar_failed_instant_upload) };
 737
 738             String[] commonItems = { getString(R.string.actionbar_upload_files),
 739                     getString(R.string.actionbar_upload_from_apps) };
 740
 741             if (InstantUploadActivity.IS_ENABLED)
 742                 items = allTheItems;
 743             else
 744                 items = commonItems;
 745
 746             builder = new AlertDialog.Builder(this);
 747             builder.setTitle(R.string.actionbar_upload);
 748             builder.setItems(items, new DialogInterface.OnClickListener() {
 749                 public void onClick(DialogInterface dialog, int item) {
 750                     if (item == 0) {
 751                         // if (!mDualPane) {
 752                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 753                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 754                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 755                             // } else {
 756                             // TODO create and handle new fragment
 757                             // LocalFileListFragment
 758                             // }
 759                     } else if (item == 1) {
 760                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 761                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 762                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 763                                 ACTION_SELECT_CONTENT_FROM_APPS);
 764                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 765                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 766                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 767                         startActivity(action);
 768                     }
 769                 }
 770             });
 771             dialog = builder.create();
 772             break;
 773         }
 774         case DIALOG_CERT_NOT_SAVED: {
 775             builder = new AlertDialog.Builder(this);
 776             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 777             builder.setCancelable(false);
 778             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 779                 @Override
 780                 public void onClick(DialogInterface dialog, int which) {
 781                     dialog.dismiss();
 782                 };
 783             });
 784             dialog = builder.create();
 785             break;
 786         }
 787         default:
 788             dialog = null;
 789         }
 790
 791         return dialog;
 792     }
 793
 794
 795     /**
 796      * Translates a content URI of an image to a physical path
 797      * on the disk
 798      * @param uri The URI to resolve
 799      * @return The path to the image or null if it could not be found
 800      */
 801     public String getPath(Uri uri) {
 802         String[] projection = { MediaStore.Images.Media.DATA };
 803         Cursor cursor = managedQuery(uri, projection, null, null, null);
 804         if (cursor != null) {
 805             int column_index = cursor
 806                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 807             cursor.moveToFirst();
 808             return cursor.getString(column_index);
 809         }
 810         return null;
 811     }
 812
 813     /**
 814      * Pushes a directory to the drop down list
 815      * @param directory to push
 816      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 817      */
 818     public void pushDirname(OCFile directory) {
 819         if(!directory.isFolder()){
 820             throw new IllegalArgumentException("Only directories may be pushed!");
 821         }
 822         mDirectories.insert(directory.getFileName(), 0);
 823         setFile(directory);
 824     }
 825
 826     /**
 827      * Pops a directory name from the drop down list
 828      * @return True, unless the stack is empty
 829      */
 830     public boolean popDirname() {
 831         mDirectories.remove(mDirectories.getItem(0));
 832         return !mDirectories.isEmpty();
 833     }
 834
 835     // Custom array adapter to override text colors
 836     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 837
 838         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 839             super(ctx, view);
 840         }
 841
 842         public View getView(int position, View convertView, ViewGroup parent) {
 843             View v = super.getView(position, convertView, parent);
 844
 845             ((TextView) v).setTextColor(getResources().getColorStateList(
 846                     android.R.color.white));
 847
 848             fixRoot((TextView) v );
 849             return v;
 850         }
 851
 852         public View getDropDownView(int position, View convertView,
 853                 ViewGroup parent) {
 854             View v = super.getDropDownView(position, convertView, parent);
 855
 856             ((TextView) v).setTextColor(getResources().getColorStateList(
 857                     android.R.color.white));
 858
 859             fixRoot((TextView) v );
 860             return v;
 861         }
 862
 863         private void fixRoot(TextView v) {
 864             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 865                 v.setText(R.string.default_display_name_for_root_folder);
 866             }
 867         }
 868
 869     }
 870
 871     private class SyncBroadcastReceiver extends BroadcastReceiver {
 872
 873         /**
 874          * {@link BroadcastReceiver} to enable syncing feedback in UI
 875          */
 876         @Override
 877         public void onReceive(Context context, Intent intent) {
 878             try {
 879                 String event = intent.getAction();
 880                 Log_OC.d(TAG, "Received broadcast " + event);
 881                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 882                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 883                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 884                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 885
 886                 if (sameAccount) {
 887
 888                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 889                         mSyncInProgress = true;
 890
 891                     } else {
 892                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 893                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 894
 895                         if (currentDir == null) {
 896                             // current folder was removed from the server
 897                             Toast.makeText( FileDisplayActivity.this,
 898                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 899                                             Toast.LENGTH_LONG)
 900                                 .show();
 901                             browseToRoot();
 902
 903                         } else {
 904                             if (currentFile == null && !getFile().isFolder()) {
 905                                 // currently selected file was removed in the server, and now we know it
 906                                 cleanSecondFragment();
 907                                 currentFile = currentDir;
 908                             }
 909
 910                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 911                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 912                                 if (fileListFragment != null) {
 913                                     fileListFragment.listDirectory(currentDir);
 914                                 }
 915                             }
 916                             setFile(currentFile);
 917                         }
 918
 919                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 920
 921                         }
 922                         removeStickyBroadcast(intent);
 923                         Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 924                         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 925                 }
 926
 927                 if (synchResult != null) {
 928                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 929                         mLastSslUntrustedServerResult = synchResult;
 930                     }
 931                 }
 932             } catch (RuntimeException e) {
 933                 // avoid app crashes after changing the serial id of RemoteOperationResult
 934                 // in owncloud library with broadcast notifications pending to process
 935                 removeStickyBroadcast(intent);
 936             }
 937         }
 938     }
 939
 940
 941     /**
 942      * Once the file upload has finished -> update view
 943      */
 944     private class UploadFinishReceiver extends BroadcastReceiver {
 945         /**
 946          * Once the file upload has finished -> update view
 947          *  @author David A. Velasco
 948          * {@link BroadcastReceiver} to enable upload feedback in UI
 949          */
 950         @Override
 951         public void onReceive(Context context, Intent intent) {
 952             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 953             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 954             boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
 955             OCFile currentDir = getCurrentDir();
 956             boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
 957                     (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
 958
 959             if (sameAccount && isDescendant) {
 960                 refreshListOfFilesFragment();
 961             }
 962
 963             boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 964             boolean renamedInUpload = getFile().getRemotePath().
 965                     equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 966             boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
 967                     renamedInUpload;
 968             FileFragment details = getSecondFragment();
 969             boolean detailFragmentIsShown = (details != null &&
 970                     details instanceof FileDetailFragment);
 971
 972             if (sameAccount && sameFile && detailFragmentIsShown) {
 973                 if (uploadWasFine) {
 974                     setFile(getStorageManager().getFileByPath(uploadedRemotePath));
 975                 }
 976                 if (renamedInUpload) {
 977                     String newName = (new File(uploadedRemotePath)).getName();
 978                     Toast msg = Toast.makeText(
 979                             context,
 980                             String.format(
 981                                     getString(R.string.filedetails_renamed_in_upload_msg),
 982                                     newName),
 983                             Toast.LENGTH_LONG);
 984                     msg.show();
 985                 }
 986                 if (uploadWasFine || getFile().fileExists()) {
 987                     ((FileDetailFragment)details).updateFileDetails(false, true);
 988                 } else {
 989                     cleanSecondFragment();
 990                 }
 991
 992                 // Force the preview if the file is an image
 993                 if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
 994                     startImagePreview(getFile());
 995                 } // TODO what about other kind of previews?
 996             }
 997
 998             removeStickyBroadcast(intent);
 999
1000         }
1001
1002     }
1003
1004
1005     /**
1006      * Class waiting for broadcast events from the {@link FielDownloader} service.
1007      *
1008      * Updates the UI when a download is started or finished, provided that it is relevant for the
1009      * current folder.
1010      */
1011     private class DownloadFinishReceiver extends BroadcastReceiver {
1012         @Override
1013         public void onReceive(Context context, Intent intent) {
1014             boolean sameAccount = isSameAccount(context, intent);
1015             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1016             boolean isDescendant = isDescendant(downloadedRemotePath);
1017
1018             if (sameAccount && isDescendant) {
1019                 refreshListOfFilesFragment();
1020                 refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1021             }
1022
1023             if (mWaitingToSend != null) {
1024                 mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1025                 if (mWaitingToSend.isDown()) {
1026                     sendDownloadedFile();
1027                 }
1028             }
1029
1030             removeStickyBroadcast(intent);
1031         }
1032
1033         private boolean isDescendant(String downloadedRemotePath) {
1034             OCFile currentDir = getCurrentDir();
1035             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1036         }
1037
1038         private boolean isSameAccount(Context context, Intent intent) {
1039             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1040             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1041         }
1042     }
1043
1044
1045     public void browseToRoot() {
1046         OCFileListFragment listOfFiles = getListOfFilesFragment();
1047         if (listOfFiles != null) {  // should never be null, indeed
1048             while (mDirectories.getCount() > 1) {
1049                 popDirname();
1050             }
1051             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1052             listOfFiles.listDirectory(root);
1053             setFile(listOfFiles.getCurrentFile());
1054             startSyncFolderOperation(root);
1055         }
1056         cleanSecondFragment();
1057     }
1058
1059
1060     public void browseTo(OCFile folder) {
1061         if (folder == null || !folder.isFolder()) {
1062             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1063         }
1064         OCFileListFragment listOfFiles = getListOfFilesFragment();
1065         if (listOfFiles != null) {
1066             setNavigationListWithFolder(folder);
1067             listOfFiles.listDirectory(folder);
1068             setFile(listOfFiles.getCurrentFile());
1069             startSyncFolderOperation(folder);
1070         } else {
1071             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1072         }
1073         cleanSecondFragment();
1074     }
1075
1076
1077     /**
1078      * {@inheritDoc}
1079      *
1080      * Updates action bar and second fragment, if in dual pane mode.
1081      */
1082     @Override
1083     public void onBrowsedDownTo(OCFile directory) {
1084         pushDirname(directory);
1085         cleanSecondFragment();
1086
1087         // Sync Folder
1088         startSyncFolderOperation(directory);
1089
1090     }
1091
1092     /**
1093      * Shows the information of the {@link OCFile} received as a
1094      * parameter in the second fragment.
1095      *
1096      * @param file          {@link OCFile} whose details will be shown
1097      */
1098     @Override
1099     public void showDetails(OCFile file) {
1100         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1101         setSecondFragment(detailFragment);
1102         updateFragmentsVisibility(true);
1103         updateNavigationElementsInActionBar(file);
1104         setFile(file);
1105     }
1106
1107
1108     /**
1109      * TODO
1110      */
1111     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1112         ActionBar actionBar = getSupportActionBar();
1113         if (chosenFile == null || mDualPane) {
1114             // only list of files - set for browsing through folders
1115             OCFile currentDir = getCurrentDir();
1116             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1117             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1118             actionBar.setDisplayShowTitleEnabled(!noRoot);
1119             if (!noRoot) {
1120                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1121             }
1122             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1123             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1124
1125         } else {
1126             actionBar.setDisplayHomeAsUpEnabled(true);
1127             actionBar.setDisplayShowTitleEnabled(true);
1128             actionBar.setTitle(chosenFile.getFileName());
1129             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1130         }
1131     }
1132
1133
1134     @Override
1135     protected ServiceConnection newTransferenceServiceConnection() {
1136         return new ListServiceConnection();
1137     }
1138
1139     /** Defines callbacks for service binding, passed to bindService() */
1140     private class ListServiceConnection implements ServiceConnection {
1141
1142         @Override
1143         public void onServiceConnected(ComponentName component, IBinder service) {
1144             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1145                 Log_OC.d(TAG, "Download service connected");
1146                 mDownloaderBinder = (FileDownloaderBinder) service;
1147                 if (mWaitingToPreview != null)
1148                     if (getStorageManager() != null) {
1149                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1150                         if (!mWaitingToPreview.isDown()) {
1151                             requestForDownload();
1152                         }
1153                 }
1154
1155             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1156                 Log_OC.d(TAG, "Upload service connected");
1157                 mUploaderBinder = (FileUploaderBinder) service;
1158             } else {
1159                 return;
1160             }
1161             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1162             OCFileListFragment listOfFiles = getListOfFilesFragment();
1163             if (listOfFiles != null) {
1164                 listOfFiles.listDirectory();
1165             }
1166             FileFragment secondFragment = getSecondFragment();
1167             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1168                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1169                 detailFragment.listenForTransferProgress();
1170                 detailFragment.updateFileDetails(false, false);
1171             }
1172         }
1173
1174         @Override
1175         public void onServiceDisconnected(ComponentName component) {
1176             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1177                 Log_OC.d(TAG, "Download service disconnected");
1178                 mDownloaderBinder = null;
1179             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1180                 Log_OC.d(TAG, "Upload service disconnected");
1181                 mUploaderBinder = null;
1182             }
1183         }
1184     };
1185
1186
1187
1188     /**
1189      * Launch an intent to request the PIN code to the user before letting him use the app
1190      */
1191     private void requestPinCode() {
1192         boolean pinStart = false;
1193         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1194         pinStart = appPrefs.getBoolean("set_pincode", false);
1195         if (pinStart) {
1196             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1197             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1198             startActivity(i);
1199         }
1200     }
1201
1202
1203     @Override
1204     public void onSavedCertificate() {
1205         startSyncFolderOperation(getCurrentDir());
1206     }
1207
1208
1209     @Override
1210     public void onFailedSavingCertificate() {
1211         showDialog(DIALOG_CERT_NOT_SAVED);
1212     }
1213
1214     @Override
1215     public void onCancelCertificate() {
1216         // nothing to do
1217     }
1218
1219     /**
1220      * Updates the view associated to the activity after the finish of some operation over files
1221      * in the current account.
1222      *
1223      * @param operation     Removal operation performed.
1224      * @param result        Result of the removal.
1225      */
1226     @Override
1227     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1228         super.onRemoteOperationFinish(operation, result);
1229
1230         if (operation instanceof RemoveFileOperation) {
1231             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1232
1233         } else if (operation instanceof RenameFileOperation) {
1234             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1235
1236         } else if (operation instanceof SynchronizeFileOperation) {
1237             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1238
1239         } else if (operation instanceof CreateFolderOperation) {
1240             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1241
1242         } else if (operation instanceof CreateShareOperation) {
1243             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1244
1245         } else if (operation instanceof UnshareLinkOperation) {
1246             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1247
1248         }
1249
1250     }
1251
1252
1253     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1254         if (result.isSuccess()) {
1255             refreshShowDetails();
1256             refreshListOfFilesFragment();
1257         }
1258     }
1259
1260
1261     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1262         if (result.isSuccess()) {
1263             refreshShowDetails();
1264             refreshListOfFilesFragment();
1265
1266         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1267             cleanSecondFragment();
1268             refreshListOfFilesFragment();
1269         }
1270     }
1271
1272     private void refreshShowDetails() {
1273         FileFragment details = getSecondFragment();
1274         if (details != null) {
1275             OCFile file = details.getFile();
1276             if (file != null) {
1277                 file = getStorageManager().getFileByPath(file.getRemotePath());
1278                 if (details instanceof PreviewMediaFragment) {
1279                     // Refresh  OCFile of the fragment
1280                     ((PreviewMediaFragment) details).updateFile(file);
1281                 } else {
1282                     showDetails(file);
1283                 }
1284             }
1285             invalidateOptionsMenu();
1286         }
1287     }
1288
1289     /**
1290      * Updates the view associated to the activity after the finish of an operation trying to remove a
1291      * file.
1292      *
1293      * @param operation     Removal operation performed.
1294      * @param result        Result of the removal.
1295      */
1296     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1297         dismissLoadingDialog();
1298
1299         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1300                 Toast.LENGTH_LONG);
1301         msg.show();
1302
1303         if (result.isSuccess()) {
1304             OCFile removedFile = operation.getFile();
1305             FileFragment second = getSecondFragment();
1306             if (second != null && removedFile.equals(second.getFile())) {
1307                 if (second instanceof PreviewMediaFragment) {
1308                     ((PreviewMediaFragment)second).stopPreview(true);
1309                 }
1310                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1311                 cleanSecondFragment();
1312             }
1313             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1314                 refreshListOfFilesFragment();
1315             }
1316             invalidateOptionsMenu();
1317         } else {
1318             if (result.isSslRecoverableException()) {
1319                 mLastSslUntrustedServerResult = result;
1320                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1321             }
1322         }
1323     }
1324
1325
1326     /**
1327      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1328      *
1329      * @param operation     Creation operation performed.
1330      * @param result        Result of the creation.
1331      */
1332     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1333         if (result.isSuccess()) {
1334             dismissLoadingDialog();
1335             refreshListOfFilesFragment();
1336         } else {
1337             dismissLoadingDialog();
1338             try {
1339                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1340                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1341                         Toast.LENGTH_LONG);
1342                 msg.show();
1343
1344             } catch (NotFoundException e) {
1345                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1346             }
1347         }
1348     }
1349
1350
1351     /**
1352      * Updates the view associated to the activity after the finish of an operation trying to rename a
1353      * file.
1354      *
1355      * @param operation     Renaming operation performed.
1356      * @param result        Result of the renaming.
1357      */
1358     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1359         dismissLoadingDialog();
1360         OCFile renamedFile = operation.getFile();
1361         if (result.isSuccess()) {
1362             FileFragment details = getSecondFragment();
1363             if (details != null) {
1364                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1365                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1366                     showDetails(renamedFile);
1367
1368                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1369                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1370                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1371                         int position = ((PreviewMediaFragment)details).getPosition();
1372                         startMediaPreview(renamedFile, position, true);
1373                     } else {
1374                         getFileOperationsHelper().openFile(renamedFile);
1375                     }
1376                 }
1377             }
1378
1379             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1380                 refreshListOfFilesFragment();
1381             }
1382
1383         } else {
1384             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1385                     Toast.LENGTH_LONG);
1386             msg.show();
1387
1388             if (result.isSslRecoverableException()) {
1389                 mLastSslUntrustedServerResult = result;
1390                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1391             }
1392         }
1393     }
1394
1395     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1396         dismissLoadingDialog();
1397         OCFile syncedFile = operation.getLocalFile();
1398         if (!result.isSuccess()) {
1399             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1400                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1401                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1402                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1403                 startActivity(i);
1404
1405             }
1406
1407         } else {
1408             if (operation.transferWasRequested()) {
1409                 onTransferStateChanged(syncedFile, true, true);
1410
1411             } else {
1412                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1413                         Toast.LENGTH_LONG);
1414                 msg.show();
1415             }
1416         }
1417     }
1418
1419
1420     /**
1421      * {@inheritDoc}
1422      */
1423     @Override
1424     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1425         refreshListOfFilesFragment();
1426         FileFragment details = getSecondFragment();
1427         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1428             if (downloading || uploading) {
1429                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1430             } else {
1431                 if (!file.fileExists()) {
1432                     cleanSecondFragment();
1433                 } else {
1434                     ((FileDetailFragment)details).updateFileDetails(false, true);
1435                 }
1436             }
1437         }
1438
1439     }
1440
1441
1442     private void requestForDownload() {
1443         Account account = getAccount();
1444         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1445             Intent i = new Intent(this, FileDownloader.class);
1446             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1447             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1448             startService(i);
1449         }
1450     }
1451
1452
1453     private OCFile getCurrentDir() {
1454         OCFile file = getFile();
1455         if (file != null) {
1456             if (file.isFolder()) {
1457                 return file;
1458             } else if (getStorageManager() != null) {
1459                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1460                 return getStorageManager().getFileByPath(parentPath);
1461             }
1462         }
1463         return null;
1464     }
1465
1466     public void startSyncFolderOperation(OCFile folder) {
1467         long currentSyncTime = System.currentTimeMillis();
1468
1469         mSyncInProgress = true;
1470
1471         // perform folder synchronization
1472         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1473                                                                         currentSyncTime,
1474                                                                         false,
1475                                                                         getFileOperationsHelper().isSharedSupported(),
1476                                                                         getStorageManager(),
1477                                                                         getAccount(),
1478                                                                         getApplicationContext()
1479                                                                       );
1480         synchFolderOp.execute(getAccount(), this, null, null, this);
1481
1482         setSupportProgressBarIndeterminateVisibility(true);
1483     }
1484
1485     /**
1486      * Show untrusted cert dialog
1487      */
1488     public void showUntrustedCertDialog(RemoteOperationResult result) {
1489         // Show a dialog with the certificate info
1490         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1491         FragmentManager fm = getSupportFragmentManager();
1492         FragmentTransaction ft = fm.beginTransaction();
1493         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1494     }
1495
1496     private void requestForDownload(OCFile file) {
1497         Account account = getAccount();
1498         if (!mDownloaderBinder.isDownloading(account, file)) {
1499             Intent i = new Intent(this, FileDownloader.class);
1500             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1501             i.putExtra(FileDownloader.EXTRA_FILE, file);
1502             startService(i);
1503         }
1504     }
1505
1506     private void sendDownloadedFile(){
1507         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1508         mWaitingToSend = null;
1509     }
1510
1511
1512     /**
1513      * Requests the download of the received {@link OCFile} , updates the UI
1514      * to monitor the download progress and prepares the activity to send the file
1515      * when the download finishes.
1516      *
1517      * @param file          {@link OCFile} to download and preview.
1518      */
1519     public void startDownloadForSending(OCFile file) {
1520         mWaitingToSend = file;
1521         requestForDownload(mWaitingToSend);
1522         boolean hasSecondFragment = (getSecondFragment()!= null);
1523         updateFragmentsVisibility(hasSecondFragment);
1524     }
1525
1526     /**
1527      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1528      *
1529      * @param file                      Image {@link OCFile} to show.
1530      */
1531     public void startImagePreview(OCFile file) {
1532         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1533         showDetailsIntent.putExtra(EXTRA_FILE, file);
1534         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1535         startActivity(showDetailsIntent);
1536
1537     }
1538
1539     /**
1540      * Stars the preview of an already down media {@link OCFile}.
1541      *
1542      * @param file                      Media {@link OCFile} to preview.
1543      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1544      * @param autoplay                  When 'true', the playback will start without user interactions.
1545      */
1546     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1547         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1548         setSecondFragment(mediaFragment);
1549         updateFragmentsVisibility(true);
1550         updateNavigationElementsInActionBar(file);
1551         setFile(file);
1552     }
1553
1554     /**
1555      * Requests the download of the received {@link OCFile} , updates the UI
1556      * to monitor the download progress and prepares the activity to preview
1557      * or open the file when the download finishes.
1558      *
1559      * @param file          {@link OCFile} to download and preview.
1560      */
1561     public void startDownloadForPreview(OCFile file) {
1562         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1563         setSecondFragment(detailFragment);
1564         mWaitingToPreview = file;
1565         requestForDownload();
1566         updateFragmentsVisibility(true);
1567         updateNavigationElementsInActionBar(file);
1568         setFile(file);
1569     }
1570
1571
1572     public void cancelTransference(OCFile file) {
1573         getFileOperationsHelper().cancelTransference(file);
1574         if (mWaitingToPreview != null &&
1575                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1576             mWaitingToPreview = null;
1577         }
1578         if (mWaitingToSend != null &&
1579                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1580             mWaitingToSend = null;
1581         }
1582         onTransferStateChanged(file, false, false);
1583     }
1584
1585 }