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