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