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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22 import android.accounts.Account;
  23 import android.app.AlertDialog;
  24 import android.app.Dialog;
  25 import android.app.ProgressDialog;
  26 import android.content.BroadcastReceiver;
  27 import android.content.ComponentName;
  28 import android.content.ContentResolver;
  29 import android.content.Context;
  30 import android.content.DialogInterface;
  31 import android.content.Intent;
  32 import android.content.IntentFilter;
  33 import android.content.ServiceConnection;
  34 import android.content.SharedPreferences;
  35 import android.content.SyncRequest;
  36 import android.content.res.Resources.NotFoundException;
  37 import android.database.Cursor;
  38 import android.net.Uri;
  39 import android.os.Bundle;
  40 import android.os.IBinder;
  41 import android.preference.PreferenceManager;
  42 import android.provider.MediaStore;
  43 import android.support.v4.app.Fragment;
  44 import android.support.v4.app.FragmentManager;
  45 import android.support.v4.app.FragmentTransaction;
  46 //import android.support.v4.content.LocalBroadcastManager;
  47 import android.util.Log;
  48 import android.view.View;
  49 import android.view.ViewGroup;
  50 import android.widget.ArrayAdapter;
  51 import android.widget.TextView;
  52 import android.widget.Toast;
  53
  54 import com.actionbarsherlock.app.ActionBar;
  55 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  56 import com.actionbarsherlock.view.Menu;
  57 import com.actionbarsherlock.view.MenuInflater;
  58 import com.actionbarsherlock.view.MenuItem;
  59 import com.actionbarsherlock.view.Window;
  60 import com.owncloud.android.MainApp;
  61 import com.owncloud.android.R;
  62 import com.owncloud.android.datamodel.OCFile;
  63 import com.owncloud.android.files.services.FileDownloader;
  64 import com.owncloud.android.files.services.FileObserverService;
  65 import com.owncloud.android.files.services.FileUploader;
  66 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  67 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  68 import com.owncloud.android.operations.CreateFolderOperation;
  69
  70 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  71 import com.owncloud.android.lib.common.operations.RemoteOperation;
  72 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  73 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  74 import com.owncloud.android.operations.CreateShareOperation;
  75 import com.owncloud.android.operations.RemoveFileOperation;
  76 import com.owncloud.android.operations.RenameFileOperation;
  77 import com.owncloud.android.operations.SynchronizeFileOperation;
  78 import com.owncloud.android.operations.SynchronizeFolderOperation;
  79 import com.owncloud.android.operations.UnshareLinkOperation;
  80 import com.owncloud.android.services.OperationsService;
  81 import com.owncloud.android.syncadapter.FileSyncAdapter;
  82 import com.owncloud.android.ui.dialog.EditNameDialog;
  83 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  84 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  85 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  86 import com.owncloud.android.ui.fragment.FileDetailFragment;
  87 import com.owncloud.android.ui.fragment.FileFragment;
  88 import com.owncloud.android.ui.fragment.OCFileListFragment;
  89 import com.owncloud.android.ui.preview.PreviewImageActivity;
  90 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  91 import com.owncloud.android.ui.preview.PreviewVideoActivity;
  92 import com.owncloud.android.utils.DisplayUtils;
  93 import com.owncloud.android.utils.Log_OC;
  94
  95
  96 /**
  97  * Displays, what files the user has available in his ownCloud.
  98  *
  99  * @author Bartek Przybylski
 100  * @author David A. Velasco
 101  */
 102
 103 public class FileDisplayActivity extends HookActivity implements
 104 OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener, OnSslUntrustedCertListener, EditNameDialogListener {
 105
 106     private ArrayAdapter<String> mDirectories;
 107
 108     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 109     private UploadFinishReceiver mUploadFinishReceiver;
 110     private DownloadFinishReceiver mDownloadFinishReceiver;
 111     //private OperationsServiceReceiver mOperationsServiceReceiver;
 112     private FileDownloaderBinder mDownloaderBinder = null;
 113     private FileUploaderBinder mUploaderBinder = null;
 114     private ServiceConnection mDownloadConnection = null, mUploadConnection = null;
 115     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 116
 117     private boolean mDualPane;
 118     private View mLeftFragmentContainer;
 119     private View mRightFragmentContainer;
 120
 121     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 122     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 123     //private static final String KEY_REFRESH_SHARES_IN_PROGRESS = "SHARES_IN_PROGRESS";
 124     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 125
 126     public static final int DIALOG_SHORT_WAIT = 0;
 127     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 128     //private static final int DIALOG_SSL_VALIDATOR = 2;
 129     private static final int DIALOG_CERT_NOT_SAVED = 2;
 130
 131     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 132
 133     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 134     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 135
 136     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 137
 138     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 139     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 140
 141     private OCFile mWaitingToPreview;
 142
 143     private boolean mSyncInProgress = false;
 144     //private boolean mRefreshSharesInProgress = false;
 145
 146     private String DIALOG_UNTRUSTED_CERT;
 147
 148     private OCFile mWaitingToSend;
 149
 150     @Override
 151     protected void onCreate(Bundle savedInstanceState) {
 152         Log_OC.d(TAG, "onCreate() start");
 153         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 154
 155         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 156
 157         /// bindings to transference services
 158         mUploadConnection = new ListServiceConnection();
 159         mDownloadConnection = new ListServiceConnection();
 160         bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 161         bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 162
 163         // PIN CODE request ;  best location is to decide, let's try this first
 164         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 165             requestPinCode();
 166         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 167             requestPinCode();
 168         }
 169
 170         /// file observer
 171         Intent observer_intent = new Intent(this, FileObserverService.class);
 172         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 173         startService(observer_intent);
 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             //mRefreshSharesInProgress = savedInstanceState.getBoolean(KEY_REFRESH_SHARES_IN_PROGRESS);
 180             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 181
 182         } else {
 183             mWaitingToPreview = null;
 184             mSyncInProgress = false;
 185             //mRefreshSharesInProgress = false;
 186             mWaitingToSend = null;
 187         }
 188
 189         /// USER INTERFACE
 190
 191         // Inflate and set the layout view
 192         setContentView(R.layout.files);
 193         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 194         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 195         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 196         if (savedInstanceState == null) {
 197             createMinFragments();
 198         } else {
 199             Log_OC.d(TAG, "Init the secondFragment again");
 200             if (mDualPane) {
 201                 initFragmentsWithFile();
 202             }
 203         }
 204
 205         // Action bar setup
 206         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 207         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 208         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 209
 210         Log_OC.d(TAG, "onCreate() end");
 211     }
 212
 213     @Override
 214     protected void onStart() {
 215         super.onStart();
 216         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 217         refeshListOfFilesFragment();
 218     }
 219
 220     @Override
 221     protected void onDestroy() {
 222         super.onDestroy();
 223         if (mDownloadConnection != null)
 224             unbindService(mDownloadConnection);
 225         if (mUploadConnection != null)
 226             unbindService(mUploadConnection);
 227     }
 228
 229     /**
 230      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 231      */
 232     @Override
 233     protected void onAccountSet(boolean stateWasRecovered) {
 234         super.onAccountSet(stateWasRecovered);
 235         if (getAccount() != null) {
 236             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 237             OCFile file = getFile();
 238             // get parent from path
 239             String parentPath = "";
 240             if (file != null) {
 241                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 242                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 243                     // get parent from path
 244                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 245                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 246                         file = null; // not able to know the directory where the file is uploading
 247                 } else {
 248                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 249                 }
 250             }
 251             if (file == null) {
 252                 // fall back to root folder
 253                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 254             }
 255             setFile(file);
 256             setNavigationListWithFolder(file);
 257
 258             if (!stateWasRecovered) {
 259                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 260                 initFragmentsWithFile();
 261                 if (file.isFolder()) {
 262                     startSyncFolderOperation(file);
 263                 }
 264
 265             } else {
 266                 updateFragmentsVisibility(!file.isFolder());
 267                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 268             }
 269         }
 270     }
 271
 272
 273     private void setNavigationListWithFolder(OCFile file) {
 274         mDirectories.clear();
 275         OCFile fileIt = file;
 276         String parentPath;
 277         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 278             if (fileIt.isFolder()) {
 279                 mDirectories.add(fileIt.getFileName());
 280             }
 281             // get parent from path
 282             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 283             fileIt = getStorageManager().getFileByPath(parentPath);
 284         }
 285         mDirectories.add(OCFile.PATH_SEPARATOR);
 286     }
 287
 288
 289     private void createMinFragments() {
 290         OCFileListFragment listOfFiles = new OCFileListFragment();
 291         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 292         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 293         transaction.commit();
 294     }
 295
 296     private void initFragmentsWithFile() {
 297         if (getAccount() != null && getFile() != null) {
 298             /// First fragment
 299             OCFileListFragment listOfFiles = getListOfFilesFragment();
 300             if (listOfFiles != null) {
 301                 listOfFiles.listDirectory(getCurrentDir());
 302             } else {
 303                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 304             }
 305
 306             /// Second fragment
 307             OCFile file = getFile();
 308             Fragment secondFragment = chooseInitialSecondFragment(file);
 309             if (secondFragment != null) {
 310                 setSecondFragment(secondFragment);
 311                 updateFragmentsVisibility(true);
 312                 updateNavigationElementsInActionBar(file);
 313
 314             } else {
 315                 cleanSecondFragment();
 316             }
 317
 318         } else {
 319             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 320             if (getAccount() == null) {
 321                 Log.wtf(TAG, "\t account is NULL");
 322             }
 323             if (getFile() == null) {
 324                 Log.wtf(TAG, "\t file is NULL");
 325             }
 326         }
 327     }
 328
 329     private Fragment chooseInitialSecondFragment(OCFile file) {
 330         Fragment secondFragment = null;
 331         if (file != null && !file.isFolder()) {
 332             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 333                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 334                     ) {
 335                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 336                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 337                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 338
 339             } else {
 340                 secondFragment = new FileDetailFragment(file, getAccount());
 341             }
 342         }
 343         return secondFragment;
 344     }
 345
 346
 347     /**
 348      * Replaces the second fragment managed by the activity with the received as
 349      * a parameter.
 350      *
 351      * Assumes never will be more than two fragments managed at the same time.
 352      *
 353      * @param fragment      New second Fragment to set.
 354      */
 355     private void setSecondFragment(Fragment fragment) {
 356         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 357         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 358         transaction.commit();
 359     }
 360
 361
 362     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 363         if (mDualPane) {
 364             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 365                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 366             }
 367             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 368                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 369             }
 370
 371         } else if (existsSecondFragment) {
 372             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 373                 mLeftFragmentContainer.setVisibility(View.GONE);
 374             }
 375             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 376                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 377             }
 378
 379         } else {
 380             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 381                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 382             }
 383             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 384                 mRightFragmentContainer.setVisibility(View.GONE);
 385             }
 386         }
 387     }
 388
 389
 390     private OCFileListFragment getListOfFilesFragment() {
 391         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 392         if (listOfFiles != null) {
 393             return (OCFileListFragment)listOfFiles;
 394         }
 395         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 396         return null;
 397     }
 398
 399     protected FileFragment getSecondFragment() {
 400         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 401         if (second != null) {
 402             return (FileFragment)second;
 403         }
 404         return null;
 405     }
 406
 407     public void cleanSecondFragment() {
 408         Fragment second = getSecondFragment();
 409         if (second != null) {
 410             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 411             tr.remove(second);
 412             tr.commit();
 413         }
 414         updateFragmentsVisibility(false);
 415         updateNavigationElementsInActionBar(null);
 416     }
 417
 418     protected void refeshListOfFilesFragment() {
 419         OCFileListFragment fileListFragment = getListOfFilesFragment();
 420         if (fileListFragment != null) {
 421             fileListFragment.listDirectory();
 422         }
 423     }
 424
 425     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 426         FileFragment secondFragment = getSecondFragment();
 427         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 428         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 429             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 430             OCFile fileInFragment = detailsFragment.getFile();
 431             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 432                 // the user browsed to other file ; forget the automatic preview
 433                 mWaitingToPreview = null;
 434
 435             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 436                 // grant that the right panel updates the progress bar
 437                 detailsFragment.listenForTransferProgress();
 438                 detailsFragment.updateFileDetails(true, false);
 439
 440             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 441                 //  update the right panel
 442                 boolean detailsFragmentChanged = false;
 443                 if (waitedPreview) {
 444                     if (success) {
 445                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 446                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 447                             startMediaPreview(mWaitingToPreview, 0, true);
 448                             detailsFragmentChanged = true;
 449                         } else {
 450                             getFileOperationsHelper().openFile(mWaitingToPreview, this);
 451                         }
 452                     }
 453                     mWaitingToPreview = null;
 454                 }
 455                 if (!detailsFragmentChanged) {
 456                     detailsFragment.updateFileDetails(false, (success));
 457                 }
 458             }
 459         }
 460     }
 461
 462     @Override
 463     public boolean onCreateOptionsMenu(Menu menu) {
 464         MenuInflater inflater = getSherlock().getMenuInflater();
 465         inflater.inflate(R.menu.main_menu, menu);
 466         return true;
 467     }
 468
 469     @Override
 470     public boolean onOptionsItemSelected(MenuItem item) {
 471         boolean retval = true;
 472         switch (item.getItemId()) {
 473         case R.id.action_create_dir: {
 474             EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.uploader_info_dirname), "", -1, -1, this);
 475             dialog.show(getSupportFragmentManager(), "createdirdialog");
 476             break;
 477         }
 478         case R.id.action_sync_account: {
 479             startSynchronization();
 480             break;
 481         }
 482         case R.id.action_upload: {
 483             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 484             break;
 485         }
 486         case R.id.action_settings: {
 487             Intent settingsIntent = new Intent(this, Preferences.class);
 488             startActivity(settingsIntent);
 489             break;
 490         }
 491         case android.R.id.home: {
 492             FileFragment second = getSecondFragment();
 493             OCFile currentDir = getCurrentDir();
 494             if((currentDir != null && currentDir.getParentId() != 0) ||
 495                     (second != null && second.getFile() != null)) {
 496                 onBackPressed();
 497
 498             }
 499             break;
 500         }
 501         default:
 502             retval = super.onOptionsItemSelected(item);
 503         }
 504         return retval;
 505     }
 506
 507     private void startSynchronization() {
 508         Log_OC.e(TAG, "Got to start sync");
 509         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 510             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 511             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 512             Bundle bundle = new Bundle();
 513             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 514             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 515             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 516             ContentResolver.requestSync(
 517                     getAccount(),
 518                     MainApp.getAuthority(), bundle);
 519         } else {
 520             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 521             SyncRequest.Builder builder = new SyncRequest.Builder();
 522             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 523             builder.setExpedited(true);
 524             builder.setManual(true);
 525             builder.syncOnce();
 526             SyncRequest request = builder.build();
 527             ContentResolver.requestSync(request);
 528         }
 529     }
 530
 531
 532     @Override
 533     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 534         if (itemPosition != 0) {
 535             String targetPath = "";
 536             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 537                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 538             }
 539             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 540             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 541             if (targetFolder != null) {
 542                 browseTo(targetFolder);
 543             }
 544
 545             // the next operation triggers a new call to this method, but it's necessary to
 546             // ensure that the name exposed in the action bar is the current directory when the
 547             // user selected it in the navigation list
 548             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 549                 getSupportActionBar().setSelectedNavigationItem(0);
 550         }
 551         return true;
 552     }
 553
 554     /**
 555      * Called, when the user selected something for uploading
 556      */
 557     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 558         super.onActivityResult(requestCode, resultCode, data);
 559
 560         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 561             requestSimpleUpload(data, resultCode);
 562
 563         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 564             requestMultipleUpload(data, resultCode);
 565
 566         }
 567     }
 568
 569     private void requestMultipleUpload(Intent data, int resultCode) {
 570         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 571         if (filePaths != null) {
 572             String[] remotePaths = new String[filePaths.length];
 573             String remotePathBase = "";
 574             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 575                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 576             }
 577             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 578                 remotePathBase += OCFile.PATH_SEPARATOR;
 579             for (int j = 0; j< remotePaths.length; j++) {
 580                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 581             }
 582
 583             Intent i = new Intent(this, FileUploader.class);
 584             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 585             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 586             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 587             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 588             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 589                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 590             startService(i);
 591
 592         } else {
 593             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 594             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 595             t.show();
 596             return;
 597         }
 598     }
 599
 600
 601     private void requestSimpleUpload(Intent data, int resultCode) {
 602         String filepath = null;
 603         try {
 604             Uri selectedImageUri = data.getData();
 605
 606             String filemanagerstring = selectedImageUri.getPath();
 607             String selectedImagePath = getPath(selectedImageUri);
 608
 609             if (selectedImagePath != null)
 610                 filepath = selectedImagePath;
 611             else
 612                 filepath = filemanagerstring;
 613
 614         } catch (Exception e) {
 615             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 616             e.printStackTrace();
 617
 618         } finally {
 619             if (filepath == null) {
 620                 Log_OC.e(TAG, "Couldnt resolve path to file");
 621                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 622                 t.show();
 623                 return;
 624             }
 625         }
 626
 627         Intent i = new Intent(this, FileUploader.class);
 628         i.putExtra(FileUploader.KEY_ACCOUNT,
 629                 getAccount());
 630         String remotepath = new String();
 631         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 632             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 633         }
 634         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 635             remotepath += OCFile.PATH_SEPARATOR;
 636         remotepath += new File(filepath).getName();
 637
 638         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 639         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 640         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 641         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 642             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 643         startService(i);
 644     }
 645
 646     @Override
 647     public void onBackPressed() {
 648         OCFileListFragment listOfFiles = getListOfFilesFragment();
 649         if (mDualPane || getSecondFragment() == null) {
 650             if (listOfFiles != null) {  // should never be null, indeed
 651                 if (mDirectories.getCount() <= 1) {
 652                     finish();
 653                     return;
 654                 }
 655                 int levelsUp = listOfFiles.onBrowseUp();
 656                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 657                     popDirname();
 658                 }
 659             }
 660         }
 661         if (listOfFiles != null) {  // should never be null, indeed
 662             setFile(listOfFiles.getCurrentFile());
 663         }
 664         cleanSecondFragment();
 665
 666     }
 667
 668     @Override
 669     protected void onSaveInstanceState(Bundle outState) {
 670         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 671         Log_OC.e(TAG, "onSaveInstanceState() start");
 672         super.onSaveInstanceState(outState);
 673         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 674         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 675         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 676         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 677
 678         Log_OC.d(TAG, "onSaveInstanceState() end");
 679     }
 680
 681
 682
 683     @Override
 684     protected void onResume() {
 685         super.onResume();
 686         Log_OC.e(TAG, "onResume() start");
 687
 688         // Listen for sync messages
 689         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 690         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 691         //syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_SIZE_SYNCED);
 692         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 693         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 694         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 695         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 696         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 697         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 698
 699         // Listen for upload messages
 700         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 701         mUploadFinishReceiver = new UploadFinishReceiver();
 702         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 703
 704         // Listen for download messages
 705         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 706         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 707         mDownloadFinishReceiver = new DownloadFinishReceiver();
 708         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 709
 710         // Listen for messages from the OperationsService
 711         /*
 712         IntentFilter operationsIntentFilter = new IntentFilter(OperationsService.ACTION_OPERATION_ADDED);
 713         operationsIntentFilter.addAction(OperationsService.ACTION_OPERATION_FINISHED);
 714         mOperationsServiceReceiver = new OperationsServiceReceiver();
 715         LocalBroadcastManager.getInstance(this).registerReceiver(mOperationsServiceReceiver, operationsIntentFilter);
 716         */
 717
 718         Log_OC.d(TAG, "onResume() end");
 719     }
 720
 721
 722     @Override
 723     protected void onPause() {
 724         super.onPause();
 725         Log_OC.e(TAG, "onPause() start");
 726         if (mSyncBroadcastReceiver != null) {
 727             unregisterReceiver(mSyncBroadcastReceiver);
 728             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 729             mSyncBroadcastReceiver = null;
 730         }
 731         if (mUploadFinishReceiver != null) {
 732             unregisterReceiver(mUploadFinishReceiver);
 733             mUploadFinishReceiver = null;
 734         }
 735         if (mDownloadFinishReceiver != null) {
 736             unregisterReceiver(mDownloadFinishReceiver);
 737             mDownloadFinishReceiver = null;
 738         }
 739         /*
 740         if (mOperationsServiceReceiver != null) {
 741             LocalBroadcastManager.getInstance(this).unregisterReceiver(mOperationsServiceReceiver);
 742             mOperationsServiceReceiver = null;
 743         }
 744         */
 745         Log_OC.d(TAG, "onPause() end");
 746     }
 747
 748
 749     @Override
 750     protected Dialog onCreateDialog(int id) {
 751         Dialog dialog = null;
 752         AlertDialog.Builder builder;
 753         switch (id) {
 754         case DIALOG_SHORT_WAIT: {
 755             ProgressDialog working_dialog = new ProgressDialog(this);
 756             working_dialog.setMessage(getResources().getString(
 757                     R.string.wait_a_moment));
 758             working_dialog.setIndeterminate(true);
 759             working_dialog.setCancelable(false);
 760             dialog = working_dialog;
 761             break;
 762         }
 763         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 764
 765             String[] items = null;
 766
 767             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 768                     getString(R.string.actionbar_upload_from_apps),
 769                     getString(R.string.actionbar_failed_instant_upload) };
 770
 771             String[] commonItems = { getString(R.string.actionbar_upload_files),
 772                     getString(R.string.actionbar_upload_from_apps) };
 773
 774             if (InstantUploadActivity.IS_ENABLED)
 775                 items = allTheItems;
 776             else
 777                 items = commonItems;
 778
 779             builder = new AlertDialog.Builder(this);
 780             builder.setTitle(R.string.actionbar_upload);
 781             builder.setItems(items, new DialogInterface.OnClickListener() {
 782                 public void onClick(DialogInterface dialog, int item) {
 783                     if (item == 0) {
 784                         // if (!mDualPane) {
 785                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 786                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 787                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 788                             // } else {
 789                             // TODO create and handle new fragment
 790                             // LocalFileListFragment
 791                             // }
 792                     } else if (item == 1) {
 793                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 794                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 795                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 796                                 ACTION_SELECT_CONTENT_FROM_APPS);
 797                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 798                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 799                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 800                         startActivity(action);
 801                     }
 802                 }
 803             });
 804             dialog = builder.create();
 805             break;
 806         }
 807         case DIALOG_CERT_NOT_SAVED: {
 808             builder = new AlertDialog.Builder(this);
 809             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 810             builder.setCancelable(false);
 811             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 812                 @Override
 813                 public void onClick(DialogInterface dialog, int which) {
 814                     dialog.dismiss();
 815                 };
 816             });
 817             dialog = builder.create();
 818             break;
 819         }
 820         default:
 821             dialog = null;
 822         }
 823
 824         return dialog;
 825     }
 826
 827
 828     /**
 829      * Translates a content URI of an image to a physical path
 830      * on the disk
 831      * @param uri The URI to resolve
 832      * @return The path to the image or null if it could not be found
 833      */
 834     public String getPath(Uri uri) {
 835         String[] projection = { MediaStore.Images.Media.DATA };
 836         Cursor cursor = managedQuery(uri, projection, null, null, null);
 837         if (cursor != null) {
 838             int column_index = cursor
 839                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 840             cursor.moveToFirst();
 841             return cursor.getString(column_index);
 842         }
 843         return null;
 844     }
 845
 846     /**
 847      * Pushes a directory to the drop down list
 848      * @param directory to push
 849      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 850      */
 851     public void pushDirname(OCFile directory) {
 852         if(!directory.isFolder()){
 853             throw new IllegalArgumentException("Only directories may be pushed!");
 854         }
 855         mDirectories.insert(directory.getFileName(), 0);
 856         setFile(directory);
 857     }
 858
 859     /**
 860      * Pops a directory name from the drop down list
 861      * @return True, unless the stack is empty
 862      */
 863     public boolean popDirname() {
 864         mDirectories.remove(mDirectories.getItem(0));
 865         return !mDirectories.isEmpty();
 866     }
 867
 868     // Custom array adapter to override text colors
 869     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 870
 871         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 872             super(ctx, view);
 873         }
 874
 875         public View getView(int position, View convertView, ViewGroup parent) {
 876             View v = super.getView(position, convertView, parent);
 877
 878             ((TextView) v).setTextColor(getResources().getColorStateList(
 879                     android.R.color.white));
 880
 881             fixRoot((TextView) v );
 882             return v;
 883         }
 884
 885         public View getDropDownView(int position, View convertView,
 886                 ViewGroup parent) {
 887             View v = super.getDropDownView(position, convertView, parent);
 888
 889             ((TextView) v).setTextColor(getResources().getColorStateList(
 890                     android.R.color.white));
 891
 892             fixRoot((TextView) v );
 893             return v;
 894         }
 895
 896         private void fixRoot(TextView v) {
 897             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 898                 v.setText(R.string.default_display_name_for_root_folder);
 899             }
 900         }
 901
 902     }
 903
 904     private class SyncBroadcastReceiver extends BroadcastReceiver {
 905
 906         /**
 907          * {@link BroadcastReceiver} to enable syncing feedback in UI
 908          */
 909         @Override
 910         public void onReceive(Context context, Intent intent) {
 911             String event = intent.getAction();
 912             Log_OC.d(TAG, "Received broadcast " + event);
 913             String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 914             String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 915             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 916             boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 917
 918             if (sameAccount) {
 919
 920                 if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 921                     mSyncInProgress = true;
 922
 923                 } else {
 924                     OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 925                     OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 926
 927                     if (currentDir == null) {
 928                         // current folder was removed from the server
 929                         Toast.makeText( FileDisplayActivity.this,
 930                                         String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 931                                         Toast.LENGTH_LONG)
 932                             .show();
 933                         browseToRoot();
 934
 935                     } else {
 936                         if (currentFile == null && !getFile().isFolder()) {
 937                             // currently selected file was removed in the server, and now we know it
 938                             cleanSecondFragment();
 939                             currentFile = currentDir;
 940                         }
 941
 942                         if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 943                             OCFileListFragment fileListFragment = getListOfFilesFragment();
 944                             if (fileListFragment != null) {
 945                                 fileListFragment.listDirectory(currentDir);
 946                             }
 947                         }
 948                         setFile(currentFile);
 949                     }
 950
 951                     mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 952
 953                     /*
 954                     if (synchResult != null &&
 955                         synchResult.isSuccess() &&
 956                             (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SYNCED.equals(event) ||
 957                                 FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED.equals(event)
 958                             ) &&
 959                             !mRefreshSharesInProgress &&
 960                             getFileOperationsHelper().isSharedSupported(FileDisplayActivity.this)
 961                         ) {
 962                         startGetShares();
 963                     }
 964                     */
 965
 966                 }
 967                 removeStickyBroadcast(intent);
 968                 Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 969                 setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 970             }
 971
 972             if (synchResult != null) {
 973                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 974                     mLastSslUntrustedServerResult = synchResult;
 975                 }
 976             }
 977         }
 978     }
 979
 980
 981     private class UploadFinishReceiver extends BroadcastReceiver {
 982         /**
 983          * Once the file upload has finished -> update view
 984          *  @author David A. Velasco
 985          * {@link BroadcastReceiver} to enable upload feedback in UI
 986          */
 987         @Override
 988         public void onReceive(Context context, Intent intent) {
 989             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 990             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 991             boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
 992             OCFile currentDir = getCurrentDir();
 993             boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) && (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
 994             if (sameAccount && isDescendant) {
 995                 refeshListOfFilesFragment();
 996             }
 997         }
 998
 999     }
1000
1001
1002     /**
1003      * Class waiting for broadcast events from the {@link FielDownloader} service.
1004      *
1005      * Updates the UI when a download is started or finished, provided that it is relevant for the
1006      * current folder.
1007      */
1008     private class DownloadFinishReceiver extends BroadcastReceiver {
1009         @Override
1010         public void onReceive(Context context, Intent intent) {
1011             boolean sameAccount = isSameAccount(context, intent);
1012             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1013             boolean isDescendant = isDescendant(downloadedRemotePath);
1014
1015             if (sameAccount && isDescendant) {
1016                 refeshListOfFilesFragment();
1017                 refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1018             }
1019
1020             if (mWaitingToSend != null) {
1021                 mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1022                 if (mWaitingToSend.isDown()) {
1023                     sendDownloadedFile();
1024                 }
1025             }
1026
1027             removeStickyBroadcast(intent);
1028         }
1029
1030         private boolean isDescendant(String downloadedRemotePath) {
1031             OCFile currentDir = getCurrentDir();
1032             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1033         }
1034
1035         private boolean isSameAccount(Context context, Intent intent) {
1036             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1037             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1038         }
1039     }
1040
1041
1042     /**
1043      * Class waiting for broadcast events from the {@link OperationsService}.
1044      *
1045      * Updates the list of files when a get for shares is finished; at this moment the refresh of shares is the only
1046      * operation performed in {@link OperationsService}.
1047      *
1048      * In the future will handle the progress or finalization of all the operations performed in {@link OperationsService},
1049      * probably all the operations associated to the app model.
1050      */
1051     private class OperationsServiceReceiver extends BroadcastReceiver {
1052
1053         @Override
1054         public void onReceive(Context context, Intent intent) {
1055             if (OperationsService.ACTION_OPERATION_ADDED.equals(intent.getAction())) {
1056
1057             } else if (OperationsService.ACTION_OPERATION_FINISHED.equals(intent.getAction())) {
1058                 //mRefreshSharesInProgress = false;
1059
1060                 Account account = intent.getParcelableExtra(OperationsService.EXTRA_ACCOUNT);
1061                 RemoteOperationResult getSharesResult = (RemoteOperationResult)intent.getSerializableExtra(OperationsService.EXTRA_RESULT);
1062                 if (getAccount() != null && account.name.equals(getAccount().name)
1063                         && getStorageManager() != null
1064                         ) {
1065                     refeshListOfFilesFragment();
1066                 }
1067                 if ((getSharesResult != null) &&
1068                         RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED.equals(getSharesResult.getCode())) {
1069                     mLastSslUntrustedServerResult = getSharesResult;
1070                     showUntrustedCertDialog(mLastSslUntrustedServerResult);
1071                 }
1072
1073                 //setSupportProgressBarIndeterminateVisibility(mRefreshSharesInProgress || mSyncInProgress);
1074             }
1075
1076         }
1077
1078     }
1079
1080     public void browseToRoot() {
1081         OCFileListFragment listOfFiles = getListOfFilesFragment();
1082         if (listOfFiles != null) {  // should never be null, indeed
1083             while (mDirectories.getCount() > 1) {
1084                 popDirname();
1085             }
1086             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1087             listOfFiles.listDirectory(root);
1088             setFile(listOfFiles.getCurrentFile());
1089             startSyncFolderOperation(root);
1090         }
1091         cleanSecondFragment();
1092     }
1093
1094
1095     public void browseTo(OCFile folder) {
1096         if (folder == null || !folder.isFolder()) {
1097             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1098         }
1099         OCFileListFragment listOfFiles = getListOfFilesFragment();
1100         if (listOfFiles != null) {
1101             setNavigationListWithFolder(folder);
1102             listOfFiles.listDirectory(folder);
1103             setFile(listOfFiles.getCurrentFile());
1104             startSyncFolderOperation(folder);
1105         } else {
1106             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1107         }
1108         cleanSecondFragment();
1109     }
1110
1111
1112     /**
1113      * {@inheritDoc}
1114      *
1115      * Updates action bar and second fragment, if in dual pane mode.
1116      */
1117     @Override
1118     public void onBrowsedDownTo(OCFile directory) {
1119         pushDirname(directory);
1120         cleanSecondFragment();
1121
1122         // Sync Folder
1123         startSyncFolderOperation(directory);
1124
1125     }
1126
1127     /**
1128      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1129      *
1130      * @param file                      Image {@link OCFile} to show.
1131      */
1132     @Override
1133     public void startImagePreview(OCFile file) {
1134         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1135         showDetailsIntent.putExtra(EXTRA_FILE, file);
1136         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1137         startActivity(showDetailsIntent);
1138     }
1139
1140     /**
1141      * Stars the preview of an already down media {@link OCFile}.
1142      *
1143      * @param file                      Media {@link OCFile} to preview.
1144      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1145      * @param autoplay                  When 'true', the playback will start without user interactions.
1146      */
1147     @Override
1148     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1149         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1150         setSecondFragment(mediaFragment);
1151         updateFragmentsVisibility(true);
1152         updateNavigationElementsInActionBar(file);
1153         setFile(file);
1154     }
1155
1156     /**
1157      * Requests the download of the received {@link OCFile} , updates the UI
1158      * to monitor the download progress and prepares the activity to preview
1159      * or open the file when the download finishes.
1160      *
1161      * @param file          {@link OCFile} to download and preview.
1162      */
1163     @Override
1164     public void startDownloadForPreview(OCFile file) {
1165         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1166         setSecondFragment(detailFragment);
1167         mWaitingToPreview = file;
1168         requestForDownload();
1169         updateFragmentsVisibility(true);
1170         updateNavigationElementsInActionBar(file);
1171         setFile(file);
1172     }
1173
1174
1175     /**
1176      * Shows the information of the {@link OCFile} received as a
1177      * parameter in the second fragment.
1178      *
1179      * @param file          {@link OCFile} whose details will be shown
1180      */
1181     @Override
1182     public void showDetails(OCFile file) {
1183         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1184         setSecondFragment(detailFragment);
1185         updateFragmentsVisibility(true);
1186         updateNavigationElementsInActionBar(file);
1187         setFile(file);
1188     }
1189
1190
1191     /**
1192      * TODO
1193      */
1194     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1195         ActionBar actionBar = getSupportActionBar();
1196         if (chosenFile == null || mDualPane) {
1197             // only list of files - set for browsing through folders
1198             OCFile currentDir = getCurrentDir();
1199             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1200             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1201             actionBar.setDisplayShowTitleEnabled(!noRoot);
1202             if (!noRoot) {
1203                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1204             }
1205             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1206             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1207
1208         } else {
1209             actionBar.setDisplayHomeAsUpEnabled(true);
1210             actionBar.setDisplayShowTitleEnabled(true);
1211             actionBar.setTitle(chosenFile.getFileName());
1212             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1213         }
1214     }
1215
1216
1217     /**
1218      * {@inheritDoc}
1219      */
1220     @Override
1221     public void onFileStateChanged() {
1222         refeshListOfFilesFragment();
1223         updateNavigationElementsInActionBar(getSecondFragment().getFile());
1224     }
1225
1226
1227     /**
1228      * {@inheritDoc}
1229      */
1230     @Override
1231     public FileDownloaderBinder getFileDownloaderBinder() {
1232         return mDownloaderBinder;
1233     }
1234
1235
1236     /**
1237      * {@inheritDoc}
1238      */
1239     @Override
1240     public FileUploaderBinder getFileUploaderBinder() {
1241         return mUploaderBinder;
1242     }
1243
1244
1245     /** Defines callbacks for service binding, passed to bindService() */
1246     private class ListServiceConnection implements ServiceConnection {
1247
1248         @Override
1249         public void onServiceConnected(ComponentName component, IBinder service) {
1250             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1251                 Log_OC.d(TAG, "Download service connected");
1252                 mDownloaderBinder = (FileDownloaderBinder) service;
1253                 if (mWaitingToPreview != null) {
1254                     requestForDownload();
1255                 }
1256
1257             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1258                 Log_OC.d(TAG, "Upload service connected");
1259                 mUploaderBinder = (FileUploaderBinder) service;
1260             } else {
1261                 return;
1262             }
1263             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1264             OCFileListFragment listOfFiles = getListOfFilesFragment();
1265             if (listOfFiles != null) {
1266                 listOfFiles.listDirectory();
1267             }
1268             FileFragment secondFragment = getSecondFragment();
1269             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1270                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1271                 detailFragment.listenForTransferProgress();
1272                 detailFragment.updateFileDetails(false, false);
1273             }
1274         }
1275
1276         @Override
1277         public void onServiceDisconnected(ComponentName component) {
1278             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1279                 Log_OC.d(TAG, "Download service disconnected");
1280                 mDownloaderBinder = null;
1281             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1282                 Log_OC.d(TAG, "Upload service disconnected");
1283                 mUploaderBinder = null;
1284             }
1285         }
1286     };
1287
1288
1289
1290     /**
1291      * Launch an intent to request the PIN code to the user before letting him use the app
1292      */
1293     private void requestPinCode() {
1294         boolean pinStart = false;
1295         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1296         pinStart = appPrefs.getBoolean("set_pincode", false);
1297         if (pinStart) {
1298             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1299             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1300             startActivity(i);
1301         }
1302     }
1303
1304
1305     @Override
1306     public void onSavedCertificate() {
1307         startSyncFolderOperation(getCurrentDir());
1308     }
1309
1310
1311     @Override
1312     public void onFailedSavingCertificate() {
1313         showDialog(DIALOG_CERT_NOT_SAVED);
1314     }
1315
1316     @Override
1317     public void onCancelCertificate() {
1318         // nothing to do
1319     }
1320
1321     /**
1322      * Updates the view associated to the activity after the finish of some operation over files
1323      * in the current account.
1324      *
1325      * @param operation     Removal operation performed.
1326      * @param result        Result of the removal.
1327      */
1328     @Override
1329     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1330         super.onRemoteOperationFinish(operation, result);
1331
1332         if (operation instanceof RemoveFileOperation) {
1333             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1334
1335         } else if (operation instanceof RenameFileOperation) {
1336             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1337
1338         } else if (operation instanceof SynchronizeFileOperation) {
1339             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1340
1341         } else if (operation instanceof CreateFolderOperation) {
1342             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1343
1344         } else if (operation instanceof CreateShareOperation) {
1345             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1346
1347         } else if (operation instanceof UnshareLinkOperation) {
1348             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1349
1350         }
1351
1352     }
1353
1354
1355     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1356         if (result.isSuccess()) {
1357             refreshShowDetails();
1358             refeshListOfFilesFragment();
1359         }
1360     }
1361
1362
1363     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1364         if (result.isSuccess()) {
1365             refreshShowDetails();
1366             refeshListOfFilesFragment();
1367         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1368             cleanSecondFragment();
1369             refeshListOfFilesFragment();
1370         }
1371     }
1372
1373     private void refreshShowDetails() {
1374         FileFragment details = getSecondFragment();
1375         if (details != null) {
1376             OCFile file = details.getFile();
1377             if (file != null) {
1378                 file = getStorageManager().getFileByPath(file.getRemotePath());
1379                 if (details instanceof PreviewMediaFragment) {
1380                     // Refresh  OCFile of the fragment
1381                     ((PreviewMediaFragment) details).updateFile(file);
1382                 } else {
1383                     showDetails(file);
1384                 }
1385             }
1386             invalidateOptionsMenu();
1387         }
1388     }
1389
1390     /**
1391      * Updates the view associated to the activity after the finish of an operation trying to remove a
1392      * file.
1393      *
1394      * @param operation     Removal operation performed.
1395      * @param result        Result of the removal.
1396      */
1397     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1398         dismissLoadingDialog();
1399         if (result.isSuccess()) {
1400             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1401             msg.show();
1402             OCFile removedFile = operation.getFile();
1403             getSecondFragment();
1404             FileFragment second = getSecondFragment();
1405             if (second != null && removedFile.equals(second.getFile())) {
1406                 cleanSecondFragment();
1407             }
1408             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1409                 refeshListOfFilesFragment();
1410             }
1411
1412         } else {
1413             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1414             msg.show();
1415             if (result.isSslRecoverableException()) {
1416                 mLastSslUntrustedServerResult = result;
1417                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1418             }
1419         }
1420     }
1421
1422     /**
1423      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1424      *
1425      * @param operation     Creation operation performed.
1426      * @param result        Result of the creation.
1427      */
1428     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1429         if (result.isSuccess()) {
1430             dismissLoadingDialog();
1431             refeshListOfFilesFragment();
1432
1433         } else {
1434             dismissLoadingDialog();
1435             if (result.getCode() == ResultCode.INVALID_CHARACTER_IN_NAME) {
1436                 Toast.makeText(FileDisplayActivity.this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG).show();
1437             } else {
1438             try {
1439                 Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
1440                 msg.show();
1441
1442             } catch (NotFoundException e) {
1443                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1444             }
1445             }
1446         }
1447     }
1448
1449
1450     /**
1451      * Updates the view associated to the activity after the finish of an operation trying to rename a
1452      * file.
1453      *
1454      * @param operation     Renaming operation performed.
1455      * @param result        Result of the renaming.
1456      */
1457     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1458         dismissLoadingDialog();
1459         OCFile renamedFile = operation.getFile();
1460         if (result.isSuccess()) {
1461             if (mDualPane) {
1462                 FileFragment details = getSecondFragment();
1463                 if (details != null && details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1464                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1465                 }
1466             }
1467             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1468                 refeshListOfFilesFragment();
1469             }
1470
1471         } else {
1472             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1473                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1474                 msg.show();
1475                 // TODO throw again the new rename dialog
1476             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
1477                 Toast msg = Toast.makeText(this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
1478                 msg.show();
1479             } else {
1480                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1481                 msg.show();
1482                 if (result.isSslRecoverableException()) {
1483                     mLastSslUntrustedServerResult = result;
1484                     showUntrustedCertDialog(mLastSslUntrustedServerResult);
1485                 }
1486             }
1487         }
1488     }
1489
1490
1491     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1492         dismissLoadingDialog();
1493         OCFile syncedFile = operation.getLocalFile();
1494         if (!result.isSuccess()) {
1495             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1496                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1497                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1498                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1499                 startActivity(i);
1500
1501             }
1502
1503         } else {
1504             if (operation.transferWasRequested()) {
1505                 refeshListOfFilesFragment();
1506                 onTransferStateChanged(syncedFile, true, true);
1507
1508             } else {
1509                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1510                 msg.show();
1511             }
1512         }
1513     }
1514
1515
1516     /**
1517      * {@inheritDoc}
1518      */
1519     @Override
1520     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1521         if (mDualPane) {
1522             FileFragment details = getSecondFragment();
1523             if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1524                 if (downloading || uploading) {
1525                     ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1526                 } else {
1527                     ((FileDetailFragment)details).updateFileDetails(false, true);
1528                 }
1529             }
1530         }
1531     }
1532
1533
1534     public void onDismiss(EditNameDialog dialog) {
1535         if (dialog.getResult()) {
1536             String newDirectoryName = dialog.getNewFilename().trim();
1537             Log_OC.d(TAG, "'create directory' dialog dismissed with new name " + newDirectoryName);
1538             if (newDirectoryName.length() > 0) {
1539                 String path = getCurrentDir().getRemotePath();
1540
1541                 // Create directory
1542                 path += newDirectoryName + OCFile.PATH_SEPARATOR;
1543                 RemoteOperation operation = new CreateFolderOperation(path, false, getStorageManager());
1544                 operation.execute(  getAccount(),
1545                         FileDisplayActivity.this,
1546                         FileDisplayActivity.this,
1547                         getHandler(),
1548                         FileDisplayActivity.this);
1549
1550                 showLoadingDialog();
1551             }
1552         }
1553     }
1554
1555
1556     private void requestForDownload() {
1557         Account account = getAccount();
1558         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1559             Intent i = new Intent(this, FileDownloader.class);
1560             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1561             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1562             startService(i);
1563         }
1564     }
1565
1566
1567     private OCFile getCurrentDir() {
1568         OCFile file = getFile();
1569         if (file != null) {
1570             if (file.isFolder()) {
1571                 return file;
1572             } else if (getStorageManager() != null) {
1573                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1574                 return getStorageManager().getFileByPath(parentPath);
1575             }
1576         }
1577         return null;
1578     }
1579
1580     public void startSyncFolderOperation(OCFile folder) {
1581         long currentSyncTime = System.currentTimeMillis();
1582
1583         mSyncInProgress = true;
1584
1585         // perform folder synchronization
1586         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1587                                                                         currentSyncTime,
1588                                                                         false,
1589                                                                         getFileOperationsHelper().isSharedSupported(this),
1590                                                                         getStorageManager(),
1591                                                                         getAccount(),
1592                                                                         getApplicationContext()
1593                                                                       );
1594         synchFolderOp.execute(getAccount(), this, null, null, this);
1595
1596         setSupportProgressBarIndeterminateVisibility(true);
1597     }
1598
1599     /*
1600     private void startGetShares() {
1601         // Get shared files/folders
1602         Intent intent = new Intent(this, OperationsService.class);
1603         intent.putExtra(OperationsService.EXTRA_ACCOUNT, getAccount());
1604         startService(intent);
1605
1606         mRefreshSharesInProgress = true;
1607     }
1608     */
1609
1610     /**
1611      * Show untrusted cert dialog
1612      */
1613     public void showUntrustedCertDialog(RemoteOperationResult result) {
1614         // Show a dialog with the certificate info
1615         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1616         FragmentManager fm = getSupportFragmentManager();
1617         FragmentTransaction ft = fm.beginTransaction();
1618         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1619     }
1620
1621     /**
1622      * Requests the download of the received {@link OCFile} , updates the UI
1623      * to monitor the download progress and prepares the activity to send the file
1624      * when the download finishes.
1625      *
1626      * @param file          {@link OCFile} to download and preview.
1627      */
1628     @Override
1629     public void startDownloadForSending(OCFile file) {
1630         mWaitingToSend = file;
1631         requestForDownload(mWaitingToSend);
1632         boolean hasSecondFragment = (getSecondFragment()!= null);
1633         updateFragmentsVisibility(hasSecondFragment);
1634     }
1635
1636     private void requestForDownload(OCFile file) {
1637         Account account = getAccount();
1638         if (!mDownloaderBinder.isDownloading(account, file)) {
1639             Intent i = new Intent(this, FileDownloader.class);
1640             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1641             i.putExtra(FileDownloader.EXTRA_FILE, file);
1642             startService(i);
1643         }
1644     }
1645
1646     private void sendDownloadedFile(){
1647         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend, this);
1648         mWaitingToSend = null;
1649     }
1650
1651 }