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 import java.io.IOException;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.app.AlertDialog;
  29 import android.app.Dialog;
  30 import android.app.ProgressDialog;
  31 import android.content.BroadcastReceiver;
  32 import android.content.ComponentName;
  33 import android.content.ContentResolver;
  34 import android.content.Context;
  35 import android.content.DialogInterface;
  36 import android.content.Intent;
  37 import android.content.IntentFilter;
  38 import android.content.ServiceConnection;
  39 import android.content.SharedPreferences;
  40 import android.content.SyncRequest;
  41 import android.content.res.Resources.NotFoundException;
  42 import android.database.Cursor;
  43 import android.net.Uri;
  44 import android.os.Bundle;
  45 import android.os.IBinder;
  46 import android.preference.PreferenceManager;
  47 import android.provider.MediaStore;
  48 import android.support.v4.app.Fragment;
  49 import android.support.v4.app.FragmentManager;
  50 import android.support.v4.app.FragmentTransaction;
  51 import android.support.v4.widget.SwipeRefreshLayout;
  52 import android.util.Log;
  53 import android.view.View;
  54 import android.view.ViewGroup;
  55 import android.widget.ArrayAdapter;
  56 import android.widget.TextView;
  57 import android.widget.Toast;
  58
  59 import com.actionbarsherlock.app.ActionBar;
  60 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  61 import com.actionbarsherlock.view.Menu;
  62 import com.actionbarsherlock.view.MenuInflater;
  63 import com.actionbarsherlock.view.MenuItem;
  64 import com.actionbarsherlock.view.Window;
  65 import com.owncloud.android.MainApp;
  66 import com.owncloud.android.R;
  67 import com.owncloud.android.datamodel.OCFile;
  68 import com.owncloud.android.files.services.FileDownloader;
  69 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  70 import com.owncloud.android.files.services.FileUploader;
  71 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  72 import com.owncloud.android.lib.common.OwnCloudAccount;
  73 import com.owncloud.android.lib.common.OwnCloudClient;
  74 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  75 import com.owncloud.android.lib.common.OwnCloudCredentials;
  76 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  77 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  78 import com.owncloud.android.lib.common.operations.RemoteOperation;
  79 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  81 import com.owncloud.android.operations.CreateFolderOperation;
  82 import com.owncloud.android.operations.CreateShareOperation;
  83 import com.owncloud.android.operations.MoveFileOperation;
  84 import com.owncloud.android.operations.RemoveFileOperation;
  85 import com.owncloud.android.operations.RenameFileOperation;
  86 import com.owncloud.android.operations.SynchronizeFileOperation;
  87 import com.owncloud.android.operations.SynchronizeFolderOperation;
  88 import com.owncloud.android.operations.UnshareLinkOperation;
  89 import com.owncloud.android.services.observer.FileObserverService;
  90 import com.owncloud.android.syncadapter.FileSyncAdapter;
  91 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  92 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  93 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  94 import com.owncloud.android.ui.fragment.FileDetailFragment;
  95 import com.owncloud.android.ui.fragment.FileFragment;
  96 import com.owncloud.android.ui.fragment.OCFileListFragment;
  97 import com.owncloud.android.ui.preview.PreviewImageActivity;
  98 import com.owncloud.android.ui.preview.PreviewImageFragment;
  99 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 100 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 101 import com.owncloud.android.utils.DisplayUtils;
 102 import com.owncloud.android.utils.ErrorMessageAdapter;
 103 import com.owncloud.android.utils.Log_OC;
 104
 105
 106 /**
 107  * Displays, what files the user has available in his ownCloud.
 108  *
 109  * @author Bartek Przybylski
 110  * @author David A. Velasco
 111  */
 112
 113 public class FileDisplayActivity extends HookActivity implements
 114 FileFragment.ContainerActivity, OnNavigationListener,
 115 OnSslUntrustedCertListener, SwipeRefreshLayout.OnRefreshListener {
 116
 117     private ArrayAdapter<String> mDirectories;
 118
 119     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 120     private UploadFinishReceiver mUploadFinishReceiver;
 121     private DownloadFinishReceiver mDownloadFinishReceiver;
 122     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 123
 124     private boolean mDualPane;
 125     private View mLeftFragmentContainer;
 126     private View mRightFragmentContainer;
 127
 128     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 129     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 130     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 131
 132     public static final int DIALOG_SHORT_WAIT = 0;
 133     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 134     private static final int DIALOG_CERT_NOT_SAVED = 2;
 135
 136     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 137
 138     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 139     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 140     public static final int ACTION_MOVE_FILES = 3;
 141
 142     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 143
 144     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 145     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 146
 147     private OCFile mWaitingToPreview;
 148
 149     private boolean mSyncInProgress = false;
 150
 151     private String DIALOG_UNTRUSTED_CERT;
 152
 153     private OCFile mWaitingToSend;
 154
 155     @Override
 156     protected void onCreate(Bundle savedInstanceState) {
 157         Log_OC.d(TAG, "onCreate() start");
 158         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 159
 160         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 161
 162         // PIN CODE request ;  best location is to decide, let's try this first
 163         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 164             requestPinCode();
 165         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 166             requestPinCode();
 167         }
 168
 169         /// grant that FileObserverService is watching favourite files
 170         if (savedInstanceState == null) {
 171             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 172             startService(initObserversIntent);
 173         }
 174
 175         /// Load of saved instance state
 176         if(savedInstanceState != null) {
 177             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 178             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 179             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 180
 181         } else {
 182             mWaitingToPreview = null;
 183             mSyncInProgress = false;
 184             mWaitingToSend = null;
 185         }
 186
 187         /// USER INTERFACE
 188
 189         // Inflate and set the layout view
 190         setContentView(R.layout.files);
 191         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 192         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 193         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 194         if (savedInstanceState == null) {
 195             createMinFragments();
 196         }
 197
 198         // Action bar setup
 199         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 200         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 201         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 202
 203         setBackgroundText();
 204
 205         Log_OC.d(TAG, "onCreate() end");
 206     }
 207
 208     @Override
 209     protected void onStart() {
 210         super.onStart();
 211         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 212     }
 213
 214     @Override
 215     protected void onDestroy() {
 216         super.onDestroy();
 217     }
 218
 219     /**
 220      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 221      */
 222     @Override
 223     protected void onAccountSet(boolean stateWasRecovered) {
 224         super.onAccountSet(stateWasRecovered);
 225         if (getAccount() != null) {
 226             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 227             OCFile file = getFile();
 228             // get parent from path
 229             String parentPath = "";
 230             if (file != null) {
 231                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 232                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 233                     // get parent from path
 234                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 235                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 236                         file = null; // not able to know the directory where the file is uploading
 237                 } else {
 238                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 239                 }
 240             }
 241             if (file == null) {
 242                 // fall back to root folder
 243                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 244             }
 245             setFile(file);
 246             setNavigationListWithFolder(file);
 247
 248             if (!stateWasRecovered) {
 249                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 250                 initFragmentsWithFile();
 251                 if (file.isFolder()) {
 252                     startSyncFolderOperation(file);
 253                 }
 254
 255             } else {
 256                 updateFragmentsVisibility(!file.isFolder());
 257                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 258             }
 259         }
 260     }
 261
 262
 263     private void setNavigationListWithFolder(OCFile file) {
 264         mDirectories.clear();
 265         OCFile fileIt = file;
 266         String parentPath;
 267         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 268             if (fileIt.isFolder()) {
 269                 mDirectories.add(fileIt.getFileName());
 270             }
 271             // get parent from path
 272             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 273             fileIt = getStorageManager().getFileByPath(parentPath);
 274         }
 275         mDirectories.add(OCFile.PATH_SEPARATOR);
 276     }
 277
 278
 279     private void createMinFragments() {
 280         OCFileListFragment listOfFiles = new OCFileListFragment();
 281         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 282         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 283         transaction.commit();
 284     }
 285
 286     private void initFragmentsWithFile() {
 287         if (getAccount() != null && getFile() != null) {
 288             /// First fragment
 289             OCFileListFragment listOfFiles = getListOfFilesFragment();
 290             if (listOfFiles != null) {
 291                 listOfFiles.listDirectory(getCurrentDir());
 292             } else {
 293                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 294             }
 295
 296             /// Second fragment
 297             OCFile file = getFile();
 298             Fragment secondFragment = chooseInitialSecondFragment(file);
 299             if (secondFragment != null) {
 300                 setSecondFragment(secondFragment);
 301                 updateFragmentsVisibility(true);
 302                 updateNavigationElementsInActionBar(file);
 303
 304             } else {
 305                 cleanSecondFragment();
 306             }
 307
 308         } else {
 309             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 310             if (getAccount() == null) {
 311                 Log.wtf(TAG, "\t account is NULL");
 312             }
 313             if (getFile() == null) {
 314                 Log.wtf(TAG, "\t file is NULL");
 315             }
 316         }
 317     }
 318
 319     private Fragment chooseInitialSecondFragment(OCFile file) {
 320         Fragment secondFragment = null;
 321         if (file != null && !file.isFolder()) {
 322             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 323                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 324                     ) {
 325                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 326                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 327                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 328
 329             } else {
 330                 secondFragment = new FileDetailFragment(file, getAccount());
 331             }
 332         }
 333         return secondFragment;
 334     }
 335
 336
 337     /**
 338      * Replaces the second fragment managed by the activity with the received as
 339      * a parameter.
 340      *
 341      * Assumes never will be more than two fragments managed at the same time.
 342      *
 343      * @param fragment      New second Fragment to set.
 344      */
 345     private void setSecondFragment(Fragment fragment) {
 346         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 347         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 348         transaction.commit();
 349     }
 350
 351
 352     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 353         if (mDualPane) {
 354             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 355                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 356             }
 357             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 358                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 359             }
 360
 361         } else if (existsSecondFragment) {
 362             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 363                 mLeftFragmentContainer.setVisibility(View.GONE);
 364             }
 365             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 366                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 367             }
 368
 369         } else {
 370             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 371                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 372             }
 373             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 374                 mRightFragmentContainer.setVisibility(View.GONE);
 375             }
 376         }
 377     }
 378
 379
 380     private OCFileListFragment getListOfFilesFragment() {
 381         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 382         if (listOfFiles != null) {
 383             return (OCFileListFragment)listOfFiles;
 384         }
 385         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 386         return null;
 387     }
 388
 389     public FileFragment getSecondFragment() {
 390         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 391         if (second != null) {
 392             return (FileFragment)second;
 393         }
 394         return null;
 395     }
 396
 397     protected void cleanSecondFragment() {
 398         Fragment second = getSecondFragment();
 399         if (second != null) {
 400             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 401             tr.remove(second);
 402             tr.commit();
 403         }
 404         updateFragmentsVisibility(false);
 405         updateNavigationElementsInActionBar(null);
 406     }
 407
 408     protected void refreshListOfFilesFragment() {
 409         OCFileListFragment fileListFragment = getListOfFilesFragment();
 410         if (fileListFragment != null) {
 411             fileListFragment.listDirectory();
 412         }
 413     }
 414
 415     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 416         FileFragment secondFragment = getSecondFragment();
 417         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 418         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 419             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 420             OCFile fileInFragment = detailsFragment.getFile();
 421             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 422                 // the user browsed to other file ; forget the automatic preview
 423                 mWaitingToPreview = null;
 424
 425             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 426                 // grant that the right panel updates the progress bar
 427                 detailsFragment.listenForTransferProgress();
 428                 detailsFragment.updateFileDetails(true, false);
 429
 430             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 431                 //  update the right panel
 432                 boolean detailsFragmentChanged = false;
 433                 if (waitedPreview) {
 434                     if (success) {
 435                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 436                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 437                             startMediaPreview(mWaitingToPreview, 0, true);
 438                             detailsFragmentChanged = true;
 439                         } else {
 440                             getFileOperationsHelper().openFile(mWaitingToPreview);
 441                         }
 442                     }
 443                     mWaitingToPreview = null;
 444                 }
 445                 if (!detailsFragmentChanged) {
 446                     detailsFragment.updateFileDetails(false, (success));
 447                 }
 448             }
 449         }
 450     }
 451
 452     @Override
 453     public boolean onCreateOptionsMenu(Menu menu) {
 454         MenuInflater inflater = getSherlock().getMenuInflater();
 455         inflater.inflate(R.menu.main_menu, menu);
 456         return true;
 457     }
 458
 459     @Override
 460     public boolean onOptionsItemSelected(MenuItem item) {
 461         boolean retval = true;
 462         switch (item.getItemId()) {
 463         case R.id.action_create_dir: {
 464             CreateFolderDialogFragment dialog =
 465                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 466             dialog.show(getSupportFragmentManager(), "createdirdialog");
 467             break;
 468         }
 469         case R.id.action_sync_account: {
 470             startSynchronization();
 471             break;
 472         }
 473         case R.id.action_upload: {
 474             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 475             break;
 476         }
 477         case R.id.action_settings: {
 478             Intent settingsIntent = new Intent(this, Preferences.class);
 479             startActivity(settingsIntent);
 480             break;
 481         }
 482         case android.R.id.home: {
 483             FileFragment second = getSecondFragment();
 484             OCFile currentDir = getCurrentDir();
 485             if((currentDir != null && currentDir.getParentId() != 0) ||
 486                     (second != null && second.getFile() != null)) {
 487                 onBackPressed();
 488
 489             }
 490             break;
 491         }
 492         default:
 493             retval = super.onOptionsItemSelected(item);
 494         }
 495         return retval;
 496     }
 497
 498     private void startSynchronization() {
 499         Log_OC.e(TAG, "Got to start sync");
 500         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 501             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 502             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 503             Bundle bundle = new Bundle();
 504             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 505             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 506             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 507             ContentResolver.requestSync(
 508                     getAccount(),
 509                     MainApp.getAuthority(), bundle);
 510         } else {
 511             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 512             SyncRequest.Builder builder = new SyncRequest.Builder();
 513             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 514             builder.setExpedited(true);
 515             builder.setManual(true);
 516             builder.syncOnce();
 517             SyncRequest request = builder.build();
 518             ContentResolver.requestSync(request);
 519         }
 520     }
 521
 522
 523     @Override
 524     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 525         if (itemPosition != 0) {
 526             String targetPath = "";
 527             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 528                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 529             }
 530             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 531             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 532             if (targetFolder != null) {
 533                 browseTo(targetFolder);
 534             }
 535
 536             // the next operation triggers a new call to this method, but it's necessary to
 537             // ensure that the name exposed in the action bar is the current directory when the
 538             // user selected it in the navigation list
 539             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 540                 getSupportActionBar().setSelectedNavigationItem(0);
 541         }
 542         return true;
 543     }
 544
 545     /**
 546      * Called, when the user selected something for uploading
 547      */
 548     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 549         super.onActivityResult(requestCode, resultCode, data);
 550
 551         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 552             requestSimpleUpload(data, resultCode);
 553
 554         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 555             requestMultipleUpload(data, resultCode);
 556
 557         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 558                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)){
 559             requestMoveOperation(data, resultCode);
 560         }
 561     }
 562
 563     private void requestMultipleUpload(Intent data, int resultCode) {
 564         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 565         if (filePaths != null) {
 566             String[] remotePaths = new String[filePaths.length];
 567             String remotePathBase = "";
 568             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 569                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 570             }
 571             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 572                 remotePathBase += OCFile.PATH_SEPARATOR;
 573             for (int j = 0; j< remotePaths.length; j++) {
 574                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 575             }
 576
 577             Intent i = new Intent(this, FileUploader.class);
 578             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 579             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 580             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 581             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 582             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 583                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 584             startService(i);
 585
 586         } else {
 587             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 588             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 589             t.show();
 590             return;
 591         }
 592     }
 593
 594
 595     private void requestSimpleUpload(Intent data, int resultCode) {
 596         String filepath = null;
 597         try {
 598             Uri selectedImageUri = data.getData();
 599
 600             String filemanagerstring = selectedImageUri.getPath();
 601             String selectedImagePath = getPath(selectedImageUri);
 602
 603             if (selectedImagePath != null)
 604                 filepath = selectedImagePath;
 605             else
 606                 filepath = filemanagerstring;
 607
 608         } catch (Exception e) {
 609             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 610             e.printStackTrace();
 611
 612         } finally {
 613             if (filepath == null) {
 614                 Log_OC.e(TAG, "Couldnt resolve path to file");
 615                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 616                 t.show();
 617                 return;
 618             }
 619         }
 620
 621         Intent i = new Intent(this, FileUploader.class);
 622         i.putExtra(FileUploader.KEY_ACCOUNT,
 623                 getAccount());
 624         String remotepath = new String();
 625         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 626             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 627         }
 628         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 629             remotepath += OCFile.PATH_SEPARATOR;
 630         remotepath += new File(filepath).getName();
 631
 632         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 633         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 634         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 635         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 636             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 637         startService(i);
 638     }
 639
 640     /**
 641      * Request the operation for moving the file/folder from one path to another
 642      *
 643      * @param data              Intent received
 644      * @param resultCode        Result code received
 645      */
 646     private void requestMoveOperation(Intent data, int resultCode) {
 647         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 648         getFileOperationsHelper().moveFile(folderToMoveAt, getCurrentDir());
 649     }
 650
 651     @Override
 652     public void onBackPressed() {
 653         OCFileListFragment listOfFiles = getListOfFilesFragment();
 654         if (mDualPane || getSecondFragment() == null) {
 655             if (listOfFiles != null) {  // should never be null, indeed
 656                 if (mDirectories.getCount() <= 1) {
 657                     finish();
 658                     return;
 659                 }
 660                 int levelsUp = listOfFiles.onBrowseUp();
 661                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 662                     popDirname();
 663                 }
 664             }
 665         }
 666         if (listOfFiles != null) {  // should never be null, indeed
 667             setFile(listOfFiles.getCurrentFile());
 668         }
 669         cleanSecondFragment();
 670
 671     }
 672
 673     @Override
 674     protected void onSaveInstanceState(Bundle outState) {
 675         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 676         Log_OC.e(TAG, "onSaveInstanceState() start");
 677         super.onSaveInstanceState(outState);
 678         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 679         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 680         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 681         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 682
 683         Log_OC.d(TAG, "onSaveInstanceState() end");
 684     }
 685
 686
 687
 688     @Override
 689     protected void onResume() {
 690         super.onResume();
 691         Log_OC.e(TAG, "onResume() start");
 692
 693         // refresh list of files
 694         refreshListOfFilesFragment();
 695
 696         // Listen for sync messages
 697         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 698         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 699         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 700         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 701         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 702         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 703         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 704         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 705
 706         // Listen for upload messages
 707         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 708         mUploadFinishReceiver = new UploadFinishReceiver();
 709         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 710
 711         // Listen for download messages
 712         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 713         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 714         mDownloadFinishReceiver = new DownloadFinishReceiver();
 715         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 716
 717         Log_OC.d(TAG, "onResume() end");
 718     }
 719
 720
 721     @Override
 722     protected void onPause() {
 723         Log_OC.e(TAG, "onPause() start");
 724         if (mSyncBroadcastReceiver != null) {
 725             unregisterReceiver(mSyncBroadcastReceiver);
 726             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 727             mSyncBroadcastReceiver = null;
 728         }
 729         if (mUploadFinishReceiver != null) {
 730             unregisterReceiver(mUploadFinishReceiver);
 731             mUploadFinishReceiver = null;
 732         }
 733         if (mDownloadFinishReceiver != null) {
 734             unregisterReceiver(mDownloadFinishReceiver);
 735             mDownloadFinishReceiver = null;
 736         }
 737
 738
 739         Log_OC.d(TAG, "onPause() end");
 740         super.onPause();
 741     }
 742
 743
 744     @Override
 745     protected Dialog onCreateDialog(int id) {
 746         Dialog dialog = null;
 747         AlertDialog.Builder builder;
 748         switch (id) {
 749         case DIALOG_SHORT_WAIT: {
 750             ProgressDialog working_dialog = new ProgressDialog(this);
 751             working_dialog.setMessage(getResources().getString(
 752                     R.string.wait_a_moment));
 753             working_dialog.setIndeterminate(true);
 754             working_dialog.setCancelable(false);
 755             dialog = working_dialog;
 756             break;
 757         }
 758         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 759
 760
 761             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 762                     getString(R.string.actionbar_upload_from_apps) };
 763
 764             builder = new AlertDialog.Builder(this);
 765             builder.setTitle(R.string.actionbar_upload);
 766             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 767                 public void onClick(DialogInterface dialog, int item) {
 768                     if (item == 0) {
 769                         // if (!mDualPane) {
 770                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 771                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 772                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 773                             // } else {
 774                             // TODO create and handle new fragment
 775                             // LocalFileListFragment
 776                             // }
 777                     } else if (item == 1) {
 778                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 779                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 780                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 781                                 ACTION_SELECT_CONTENT_FROM_APPS);
 782                     }
 783                 }
 784             });
 785             dialog = builder.create();
 786             break;
 787         }
 788         case DIALOG_CERT_NOT_SAVED: {
 789             builder = new AlertDialog.Builder(this);
 790             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 791             builder.setCancelable(false);
 792             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 793                 @Override
 794                 public void onClick(DialogInterface dialog, int which) {
 795                     dialog.dismiss();
 796                 };
 797             });
 798             dialog = builder.create();
 799             break;
 800         }
 801         default:
 802             dialog = null;
 803         }
 804
 805         return dialog;
 806     }
 807
 808
 809     /**
 810      * Translates a content URI of an image to a physical path
 811      * on the disk
 812      * @param uri The URI to resolve
 813      * @return The path to the image or null if it could not be found
 814      */
 815     public String getPath(Uri uri) {
 816         String[] projection = { MediaStore.Images.Media.DATA };
 817         Cursor cursor = managedQuery(uri, projection, null, null, null);
 818         if (cursor != null) {
 819             int column_index = cursor
 820                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 821             cursor.moveToFirst();
 822             return cursor.getString(column_index);
 823         }
 824         return null;
 825     }
 826
 827     /**
 828      * Pushes a directory to the drop down list
 829      * @param directory to push
 830      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 831      */
 832     public void pushDirname(OCFile directory) {
 833         if(!directory.isFolder()){
 834             throw new IllegalArgumentException("Only directories may be pushed!");
 835         }
 836         mDirectories.insert(directory.getFileName(), 0);
 837         setFile(directory);
 838     }
 839
 840     /**
 841      * Pops a directory name from the drop down list
 842      * @return True, unless the stack is empty
 843      */
 844     public boolean popDirname() {
 845         mDirectories.remove(mDirectories.getItem(0));
 846         return !mDirectories.isEmpty();
 847     }
 848
 849     // Custom array adapter to override text colors
 850     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 851
 852         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 853             super(ctx, view);
 854         }
 855
 856         public View getView(int position, View convertView, ViewGroup parent) {
 857             View v = super.getView(position, convertView, parent);
 858
 859             ((TextView) v).setTextColor(getResources().getColorStateList(
 860                     android.R.color.white));
 861
 862             fixRoot((TextView) v );
 863             return v;
 864         }
 865
 866         public View getDropDownView(int position, View convertView,
 867                 ViewGroup parent) {
 868             View v = super.getDropDownView(position, convertView, parent);
 869
 870             ((TextView) v).setTextColor(getResources().getColorStateList(
 871                     android.R.color.white));
 872
 873             fixRoot((TextView) v );
 874             return v;
 875         }
 876
 877         private void fixRoot(TextView v) {
 878             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 879                 v.setText(R.string.default_display_name_for_root_folder);
 880             }
 881         }
 882
 883     }
 884
 885     private class SyncBroadcastReceiver extends BroadcastReceiver {
 886
 887         /**
 888          * {@link BroadcastReceiver} to enable syncing feedback in UI
 889          */
 890         @Override
 891         public void onReceive(Context context, Intent intent) {
 892             try {
 893                 String event = intent.getAction();
 894                 Log_OC.d(TAG, "Received broadcast " + event);
 895                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 896                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 897                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 898                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 899
 900                 if (sameAccount) {
 901
 902                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 903                         mSyncInProgress = true;
 904
 905                     } else {
 906                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 907                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 908
 909                         if (currentDir == null) {
 910                             // current folder was removed from the server
 911                             Toast.makeText( FileDisplayActivity.this,
 912                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 913                                             Toast.LENGTH_LONG)
 914                                 .show();
 915                             browseToRoot();
 916
 917                         } else {
 918                             if (currentFile == null && !getFile().isFolder()) {
 919                                 // currently selected file was removed in the server, and now we know it
 920                                 cleanSecondFragment();
 921                                 currentFile = currentDir;
 922                             }
 923
 924                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 925                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 926                                 if (fileListFragment != null) {
 927                                     fileListFragment.listDirectory(currentDir);
 928                                 }
 929                             }
 930                             setFile(currentFile);
 931                         }
 932
 933                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 934
 935                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 936                                     equals(event) &&
 937                                 /// TODO refactor and make common
 938                                 synchResult != null && !synchResult.isSuccess() &&
 939                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 940                                     synchResult.isIdPRedirection()                  ||
 941                                     (synchResult.isException() && synchResult.getException()
 942                                             instanceof AuthenticatorException))) {
 943
 944                             OwnCloudClient client = null;
 945                             try {
 946                                 OwnCloudAccount ocAccount =
 947                                         new OwnCloudAccount(getAccount(), context);
 948                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 949                                         removeClientFor(ocAccount));
 950                                 // TODO get rid of these exceptions
 951                             } catch (AccountNotFoundException e) {
 952                                 e.printStackTrace();
 953                             } catch (AuthenticatorException e) {
 954                                 e.printStackTrace();
 955                             } catch (OperationCanceledException e) {
 956                                 e.printStackTrace();
 957                             } catch (IOException e) {
 958                                 e.printStackTrace();
 959                             }
 960
 961                             if (client != null) {
 962                                 OwnCloudCredentials cred = client.getCredentials();
 963                                 if (cred != null) {
 964                                     AccountManager am = AccountManager.get(context);
 965                                     if (cred.authTokenExpires()) {
 966                                         am.invalidateAuthToken(
 967                                                 getAccount().type,
 968                                                 cred.getAuthToken()
 969                                         );
 970                                     } else {
 971                                         am.clearPassword(getAccount());
 972                                     }
 973                                 }
 974                             }
 975
 976                             requestCredentialsUpdate();
 977
 978                         }
 979                     }
 980                     removeStickyBroadcast(intent);
 981                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 982                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 983
 984                     setBackgroundText();
 985
 986                 }
 987
 988                 if (synchResult != null) {
 989                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 990                         mLastSslUntrustedServerResult = synchResult;
 991                     }
 992                 }
 993             } catch (RuntimeException e) {
 994                 // avoid app crashes after changing the serial id of RemoteOperationResult
 995                 // in owncloud library with broadcast notifications pending to process
 996                 removeStickyBroadcast(intent);
 997             }
 998         }
 999     }
1000
1001     /**
1002      * Show a text message on screen view for notifying user if content is
1003      * loading or folder is empty
1004      */
1005     private void setBackgroundText() {
1006         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1007         if (ocFileListFragment != null) {
1008             int message = R.string.file_list_loading;
1009             if (!mSyncInProgress) {
1010                 // In case file list is empty
1011                 message = R.string.file_list_empty;
1012             }
1013             ocFileListFragment.setMessageForEmptyList(getString(message));
1014         } else {
1015             Log.e(TAG, "OCFileListFragment is null");
1016         }
1017     }
1018
1019     /**
1020      * Once the file upload has finished -> update view
1021      */
1022     private class UploadFinishReceiver extends BroadcastReceiver {
1023         /**
1024          * Once the file upload has finished -> update view
1025          *  @author David A. Velasco
1026          * {@link BroadcastReceiver} to enable upload feedback in UI
1027          */
1028         @Override
1029         public void onReceive(Context context, Intent intent) {
1030             try {
1031                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1032                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1033                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1034                 OCFile currentDir = getCurrentDir();
1035                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1036                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1037
1038                 if (sameAccount && isDescendant) {
1039                     refreshListOfFilesFragment();
1040                 }
1041
1042                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1043                 boolean renamedInUpload = getFile().getRemotePath().
1044                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1045                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1046                         renamedInUpload;
1047                 FileFragment details = getSecondFragment();
1048                 boolean detailFragmentIsShown = (details != null &&
1049                         details instanceof FileDetailFragment);
1050
1051                 if (sameAccount && sameFile && detailFragmentIsShown) {
1052                     if (uploadWasFine) {
1053                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1054                     }
1055                     if (renamedInUpload) {
1056                         String newName = (new File(uploadedRemotePath)).getName();
1057                         Toast msg = Toast.makeText(
1058                                 context,
1059                                 String.format(
1060                                         getString(R.string.filedetails_renamed_in_upload_msg),
1061                                         newName),
1062                                 Toast.LENGTH_LONG);
1063                         msg.show();
1064                     }
1065                     if (uploadWasFine || getFile().fileExists()) {
1066                         ((FileDetailFragment)details).updateFileDetails(false, true);
1067                     } else {
1068                         cleanSecondFragment();
1069                     }
1070
1071                     // Force the preview if the file is an image
1072                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1073                         startImagePreview(getFile());
1074                     } // TODO what about other kind of previews?
1075                 }
1076
1077             } finally {
1078                 if (intent != null) {
1079                     removeStickyBroadcast(intent);
1080                 }
1081             }
1082
1083         }
1084
1085     }
1086
1087
1088     /**
1089      * Class waiting for broadcast events from the {@link FielDownloader} service.
1090      *
1091      * Updates the UI when a download is started or finished, provided that it is relevant for the
1092      * current folder.
1093      */
1094     private class DownloadFinishReceiver extends BroadcastReceiver {
1095         @Override
1096         public void onReceive(Context context, Intent intent) {
1097             try {
1098                 boolean sameAccount = isSameAccount(context, intent);
1099                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1100                 boolean isDescendant = isDescendant(downloadedRemotePath);
1101
1102                 if (sameAccount && isDescendant) {
1103                     refreshListOfFilesFragment();
1104                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1105                 }
1106
1107                 if (mWaitingToSend != null) {
1108                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1109                     if (mWaitingToSend.isDown()) {
1110                         sendDownloadedFile();
1111                     }
1112                 }
1113
1114             } finally {
1115                 if (intent != null) {
1116                     removeStickyBroadcast(intent);
1117                 }
1118             }
1119         }
1120
1121         private boolean isDescendant(String downloadedRemotePath) {
1122             OCFile currentDir = getCurrentDir();
1123             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1124         }
1125
1126         private boolean isSameAccount(Context context, Intent intent) {
1127             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1128             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1129         }
1130     }
1131
1132
1133     public void browseToRoot() {
1134         OCFileListFragment listOfFiles = getListOfFilesFragment();
1135         if (listOfFiles != null) {  // should never be null, indeed
1136             while (mDirectories.getCount() > 1) {
1137                 popDirname();
1138             }
1139             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1140             listOfFiles.listDirectory(root);
1141             setFile(listOfFiles.getCurrentFile());
1142             startSyncFolderOperation(root);
1143         }
1144         cleanSecondFragment();
1145     }
1146
1147
1148     public void browseTo(OCFile folder) {
1149         if (folder == null || !folder.isFolder()) {
1150             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1151         }
1152         OCFileListFragment listOfFiles = getListOfFilesFragment();
1153         if (listOfFiles != null) {
1154             setNavigationListWithFolder(folder);
1155             listOfFiles.listDirectory(folder);
1156             setFile(listOfFiles.getCurrentFile());
1157             startSyncFolderOperation(folder);
1158         } else {
1159             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1160         }
1161         cleanSecondFragment();
1162     }
1163
1164
1165     /**
1166      * {@inheritDoc}
1167      *
1168      * Updates action bar and second fragment, if in dual pane mode.
1169      */
1170     @Override
1171     public void onBrowsedDownTo(OCFile directory) {
1172         pushDirname(directory);
1173         cleanSecondFragment();
1174
1175         // Sync Folder
1176         startSyncFolderOperation(directory);
1177
1178     }
1179
1180     /**
1181      * Shows the information of the {@link OCFile} received as a
1182      * parameter in the second fragment.
1183      *
1184      * @param file          {@link OCFile} whose details will be shown
1185      */
1186     @Override
1187     public void showDetails(OCFile file) {
1188         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1189         setSecondFragment(detailFragment);
1190         updateFragmentsVisibility(true);
1191         updateNavigationElementsInActionBar(file);
1192         setFile(file);
1193     }
1194
1195
1196     /**
1197      * TODO
1198      */
1199     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1200         ActionBar actionBar = getSupportActionBar();
1201         if (chosenFile == null || mDualPane) {
1202             // only list of files - set for browsing through folders
1203             OCFile currentDir = getCurrentDir();
1204             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1205             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1206             actionBar.setDisplayShowTitleEnabled(!noRoot);
1207             if (!noRoot) {
1208                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1209             }
1210             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1211             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1212
1213         } else {
1214             actionBar.setDisplayHomeAsUpEnabled(true);
1215             actionBar.setDisplayShowTitleEnabled(true);
1216             actionBar.setTitle(chosenFile.getFileName());
1217             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1218         }
1219     }
1220
1221
1222     @Override
1223     protected ServiceConnection newTransferenceServiceConnection() {
1224         return new ListServiceConnection();
1225     }
1226
1227     /** Defines callbacks for service binding, passed to bindService() */
1228     private class ListServiceConnection implements ServiceConnection {
1229
1230         @Override
1231         public void onServiceConnected(ComponentName component, IBinder service) {
1232             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1233                 Log_OC.d(TAG, "Download service connected");
1234                 mDownloaderBinder = (FileDownloaderBinder) service;
1235                 if (mWaitingToPreview != null)
1236                     if (getStorageManager() != null) {
1237                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1238                         if (!mWaitingToPreview.isDown()) {
1239                             requestForDownload();
1240                         }
1241                 }
1242
1243             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1244                 Log_OC.d(TAG, "Upload service connected");
1245                 mUploaderBinder = (FileUploaderBinder) service;
1246             } else {
1247                 return;
1248             }
1249             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1250             OCFileListFragment listOfFiles = getListOfFilesFragment();
1251             if (listOfFiles != null) {
1252                 listOfFiles.listDirectory();
1253             }
1254             FileFragment secondFragment = getSecondFragment();
1255             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1256                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1257                 detailFragment.listenForTransferProgress();
1258                 detailFragment.updateFileDetails(false, false);
1259             }
1260         }
1261
1262         @Override
1263         public void onServiceDisconnected(ComponentName component) {
1264             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1265                 Log_OC.d(TAG, "Download service disconnected");
1266                 mDownloaderBinder = null;
1267             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1268                 Log_OC.d(TAG, "Upload service disconnected");
1269                 mUploaderBinder = null;
1270             }
1271         }
1272     };
1273
1274
1275
1276     /**
1277      * Launch an intent to request the PIN code to the user before letting him use the app
1278      */
1279     private void requestPinCode() {
1280         boolean pinStart = false;
1281         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1282         pinStart = appPrefs.getBoolean("set_pincode", false);
1283         if (pinStart) {
1284             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1285             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1286             startActivity(i);
1287         }
1288     }
1289
1290
1291     @Override
1292     public void onSavedCertificate() {
1293         startSyncFolderOperation(getCurrentDir());
1294     }
1295
1296
1297     @Override
1298     public void onFailedSavingCertificate() {
1299         showDialog(DIALOG_CERT_NOT_SAVED);
1300     }
1301
1302     @Override
1303     public void onCancelCertificate() {
1304         // nothing to do
1305     }
1306
1307     /**
1308      * Updates the view associated to the activity after the finish of some operation over files
1309      * in the current account.
1310      *
1311      * @param operation     Removal operation performed.
1312      * @param result        Result of the removal.
1313      */
1314     @Override
1315     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1316         super.onRemoteOperationFinish(operation, result);
1317
1318         if (operation instanceof RemoveFileOperation) {
1319             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1320
1321         } else if (operation instanceof RenameFileOperation) {
1322             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1323
1324         } else if (operation instanceof SynchronizeFileOperation) {
1325             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1326
1327         } else if (operation instanceof CreateFolderOperation) {
1328             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1329
1330         } else if (operation instanceof CreateShareOperation) {
1331             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1332
1333         } else if (operation instanceof UnshareLinkOperation) {
1334             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1335
1336         } else if (operation instanceof MoveFileOperation) {
1337             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1338         }
1339
1340     }
1341
1342
1343     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1344         if (result.isSuccess()) {
1345             refreshShowDetails();
1346             refreshListOfFilesFragment();
1347         }
1348     }
1349
1350
1351     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1352         if (result.isSuccess()) {
1353             refreshShowDetails();
1354             refreshListOfFilesFragment();
1355
1356         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1357             cleanSecondFragment();
1358             refreshListOfFilesFragment();
1359         }
1360     }
1361
1362     private void refreshShowDetails() {
1363         FileFragment details = getSecondFragment();
1364         if (details != null) {
1365             OCFile file = details.getFile();
1366             if (file != null) {
1367                 file = getStorageManager().getFileByPath(file.getRemotePath());
1368                 if (details instanceof PreviewMediaFragment) {
1369                     // Refresh  OCFile of the fragment
1370                     ((PreviewMediaFragment) details).updateFile(file);
1371                 } else {
1372                     showDetails(file);
1373                 }
1374             }
1375             invalidateOptionsMenu();
1376         }
1377     }
1378
1379     /**
1380      * Updates the view associated to the activity after the finish of an operation trying to remove a
1381      * file.
1382      *
1383      * @param operation     Removal operation performed.
1384      * @param result        Result of the removal.
1385      */
1386     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1387         dismissLoadingDialog();
1388
1389         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1390                 Toast.LENGTH_LONG);
1391         msg.show();
1392
1393         if (result.isSuccess()) {
1394             OCFile removedFile = operation.getFile();
1395             FileFragment second = getSecondFragment();
1396             if (second != null && removedFile.equals(second.getFile())) {
1397                 if (second instanceof PreviewMediaFragment) {
1398                     ((PreviewMediaFragment)second).stopPreview(true);
1399                 }
1400                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1401                 cleanSecondFragment();
1402             }
1403             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1404                 refreshListOfFilesFragment();
1405             }
1406             invalidateOptionsMenu();
1407         } else {
1408             if (result.isSslRecoverableException()) {
1409                 mLastSslUntrustedServerResult = result;
1410                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1411             }
1412         }
1413     }
1414
1415
1416     /**
1417      * Updates the view associated to the activity after the finish of an operation trying to move a
1418      * file.
1419      *
1420      * @param operation     Move operation performed.
1421      * @param result        Result of the move operation.
1422      */
1423     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1424         if (result.isSuccess()) {
1425             dismissLoadingDialog();
1426             refreshListOfFilesFragment();
1427         } else {
1428             dismissLoadingDialog();
1429             try {
1430                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1431                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1432                         Toast.LENGTH_LONG);
1433                 msg.show();
1434
1435             } catch (NotFoundException e) {
1436                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1437             }
1438         }
1439     }
1440
1441
1442     /**
1443      * Updates the view associated to the activity after the finish of an operation trying to rename a
1444      * file.
1445      *
1446      * @param operation     Renaming operation performed.
1447      * @param result        Result of the renaming.
1448      */
1449     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1450         dismissLoadingDialog();
1451         OCFile renamedFile = operation.getFile();
1452         if (result.isSuccess()) {
1453             FileFragment details = getSecondFragment();
1454             if (details != null) {
1455                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1456                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1457                     showDetails(renamedFile);
1458
1459                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1460                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1461                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1462                         int position = ((PreviewMediaFragment)details).getPosition();
1463                         startMediaPreview(renamedFile, position, true);
1464                     } else {
1465                         getFileOperationsHelper().openFile(renamedFile);
1466                     }
1467                 }
1468             }
1469
1470             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1471                 refreshListOfFilesFragment();
1472             }
1473
1474         } else {
1475             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1476                     Toast.LENGTH_LONG);
1477             msg.show();
1478
1479             if (result.isSslRecoverableException()) {
1480                 mLastSslUntrustedServerResult = result;
1481                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1482             }
1483         }
1484     }
1485
1486     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1487         dismissLoadingDialog();
1488         OCFile syncedFile = operation.getLocalFile();
1489         if (!result.isSuccess()) {
1490             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1491                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1492                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1493                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1494                 startActivity(i);
1495
1496             }
1497
1498         } else {
1499             if (operation.transferWasRequested()) {
1500                 onTransferStateChanged(syncedFile, true, true);
1501
1502             } else {
1503                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1504                         Toast.LENGTH_LONG);
1505                 msg.show();
1506             }
1507         }
1508     }
1509
1510     /**
1511      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1512      *
1513      * @param operation     Creation operation performed.
1514      * @param result        Result of the creation.
1515      */
1516     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1517         if (result.isSuccess()) {
1518             dismissLoadingDialog();
1519             refreshListOfFilesFragment();
1520         } else {
1521             dismissLoadingDialog();
1522             try {
1523                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1524                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1525                         Toast.LENGTH_LONG);
1526                 msg.show();
1527
1528             } catch (NotFoundException e) {
1529                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1530             }
1531         }
1532     }
1533
1534
1535     /**
1536      * {@inheritDoc}
1537      */
1538     @Override
1539     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1540         refreshListOfFilesFragment();
1541         FileFragment details = getSecondFragment();
1542         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1543             if (downloading || uploading) {
1544                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1545             } else {
1546                 if (!file.fileExists()) {
1547                     cleanSecondFragment();
1548                 } else {
1549                     ((FileDetailFragment)details).updateFileDetails(false, true);
1550                 }
1551             }
1552         }
1553
1554     }
1555
1556
1557     private void requestForDownload() {
1558         Account account = getAccount();
1559         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1560             Intent i = new Intent(this, FileDownloader.class);
1561             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1562             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1563             startService(i);
1564         }
1565     }
1566
1567
1568     private OCFile getCurrentDir() {
1569         OCFile file = getFile();
1570         if (file != null) {
1571             if (file.isFolder()) {
1572                 return file;
1573             } else if (getStorageManager() != null) {
1574                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1575                 return getStorageManager().getFileByPath(parentPath);
1576             }
1577         }
1578         return null;
1579     }
1580
1581     public void startSyncFolderOperation(OCFile folder) {
1582         long currentSyncTime = System.currentTimeMillis();
1583
1584         mSyncInProgress = true;
1585
1586         // perform folder synchronization
1587         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1588                                                                         currentSyncTime,
1589                                                                         false,
1590                                                                         getFileOperationsHelper().isSharedSupported(),
1591                                                                         getStorageManager(),
1592                                                                         getAccount(),
1593                                                                         getApplicationContext()
1594                                                                       );
1595         synchFolderOp.execute(getAccount(), this, null, null);
1596
1597         setSupportProgressBarIndeterminateVisibility(true);
1598
1599         setBackgroundText();
1600     }
1601
1602     /**
1603      * Show untrusted cert dialog
1604      */
1605     public void showUntrustedCertDialog(RemoteOperationResult result) {
1606         // Show a dialog with the certificate info
1607         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1608         FragmentManager fm = getSupportFragmentManager();
1609         FragmentTransaction ft = fm.beginTransaction();
1610         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1611     }
1612
1613     private void requestForDownload(OCFile file) {
1614         Account account = getAccount();
1615         if (!mDownloaderBinder.isDownloading(account, file)) {
1616             Intent i = new Intent(this, FileDownloader.class);
1617             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1618             i.putExtra(FileDownloader.EXTRA_FILE, file);
1619             startService(i);
1620         }
1621     }
1622
1623     private void sendDownloadedFile(){
1624         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1625         mWaitingToSend = null;
1626     }
1627
1628
1629     /**
1630      * Requests the download of the received {@link OCFile} , updates the UI
1631      * to monitor the download progress and prepares the activity to send the file
1632      * when the download finishes.
1633      *
1634      * @param file          {@link OCFile} to download and preview.
1635      */
1636     public void startDownloadForSending(OCFile file) {
1637         mWaitingToSend = file;
1638         requestForDownload(mWaitingToSend);
1639         boolean hasSecondFragment = (getSecondFragment()!= null);
1640         updateFragmentsVisibility(hasSecondFragment);
1641     }
1642
1643     /**
1644      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1645      *
1646      * @param file                      Image {@link OCFile} to show.
1647      */
1648     public void startImagePreview(OCFile file) {
1649         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1650         showDetailsIntent.putExtra(EXTRA_FILE, file);
1651         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1652         startActivity(showDetailsIntent);
1653
1654     }
1655
1656     /**
1657      * Stars the preview of an already down media {@link OCFile}.
1658      *
1659      * @param file                      Media {@link OCFile} to preview.
1660      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1661      * @param autoplay                  When 'true', the playback will start without user interactions.
1662      */
1663     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1664         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1665         setSecondFragment(mediaFragment);
1666         updateFragmentsVisibility(true);
1667         updateNavigationElementsInActionBar(file);
1668         setFile(file);
1669     }
1670
1671     /**
1672      * Requests the download of the received {@link OCFile} , updates the UI
1673      * to monitor the download progress and prepares the activity to preview
1674      * or open the file when the download finishes.
1675      *
1676      * @param file          {@link OCFile} to download and preview.
1677      */
1678     public void startDownloadForPreview(OCFile file) {
1679         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1680         setSecondFragment(detailFragment);
1681         mWaitingToPreview = file;
1682         requestForDownload();
1683         updateFragmentsVisibility(true);
1684         updateNavigationElementsInActionBar(file);
1685         setFile(file);
1686     }
1687
1688
1689     public void cancelTransference(OCFile file) {
1690         getFileOperationsHelper().cancelTransference(file);
1691         if (mWaitingToPreview != null &&
1692                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1693             mWaitingToPreview = null;
1694         }
1695         if (mWaitingToSend != null &&
1696                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1697             mWaitingToSend = null;
1698         }
1699         onTransferStateChanged(file, false, false);
1700     }
1701
1702     @Override
1703     public void onRefresh() {
1704         OCFileListFragment listOfFiles = getListOfFilesFragment();
1705         if (listOfFiles != null) {
1706             OCFile folder = listOfFiles.getCurrentFile();
1707             if (folder != null) {
1708                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1709                 listDirectory(mFile);*/
1710                 startSyncFolderOperation(folder);
1711             }
1712         }
1713     }
1714
1715 }