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