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