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.IntentFilter.AuthorityEntry;
  35 import android.content.ServiceConnection;
  36 import android.content.SharedPreferences;
  37 import android.content.SyncRequest;
  38 import android.content.res.Resources.NotFoundException;
  39 import android.database.Cursor;
  40 import android.net.Uri;
  41 import android.os.Bundle;
  42 import android.os.Handler;
  43 import android.os.IBinder;
  44 import android.preference.PreferenceManager;
  45 import android.provider.MediaStore;
  46 import android.support.v4.app.Fragment;
  47 import android.support.v4.app.FragmentManager;
  48 import android.support.v4.app.FragmentTransaction;
  49 import android.util.Log;
  50 import android.view.View;
  51 import android.view.ViewGroup;
  52 import android.widget.ArrayAdapter;
  53 import android.widget.TextView;
  54 import android.widget.Toast;
  55
  56 import com.actionbarsherlock.app.ActionBar;
  57 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  58 import com.actionbarsherlock.view.Menu;
  59 import com.actionbarsherlock.view.MenuInflater;
  60 import com.actionbarsherlock.view.MenuItem;
  61 import com.actionbarsherlock.view.Window;
  62 import com.owncloud.android.Log_OC;
  63 import com.owncloud.android.MainApp;
  64 import com.owncloud.android.R;
  65 import com.owncloud.android.datamodel.FileDataStorageManager;
  66 import com.owncloud.android.datamodel.OCFile;
  67 import com.owncloud.android.files.services.FileDownloader;
  68 import com.owncloud.android.files.services.FileObserverService;
  69 import com.owncloud.android.files.services.FileUploader;
  70 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  71 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  72 import com.owncloud.android.operations.CreateFolderOperation;
  73 import com.owncloud.android.operations.OnRemoteOperationListener;
  74 import com.owncloud.android.operations.RemoteOperation;
  75 import com.owncloud.android.operations.RemoteOperationResult;
  76 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  77 import com.owncloud.android.operations.RemoveFileOperation;
  78 import com.owncloud.android.operations.RenameFileOperation;
  79 import com.owncloud.android.operations.SynchronizeFileOperation;
  80 import com.owncloud.android.operations.SynchronizeFolderOperation;
  81 import com.owncloud.android.syncadapter.FileSyncService;
  82 import com.owncloud.android.ui.dialog.EditNameDialog;
  83 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  84 import com.owncloud.android.ui.dialog.LoadingDialog;
  85 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  86 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  87 import com.owncloud.android.ui.fragment.FileDetailFragment;
  88 import com.owncloud.android.ui.fragment.FileFragment;
  89 import com.owncloud.android.ui.fragment.OCFileListFragment;
  90 import com.owncloud.android.ui.preview.PreviewImageActivity;
  91 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  92 import com.owncloud.android.ui.preview.PreviewVideoActivity;
  93
  94
  95 /**
  96  * Displays, what files the user has available in his ownCloud.
  97  *
  98  * @author Bartek Przybylski
  99  * @author David A. Velasco
 100  */
 101
 102 public class FileDisplayActivity extends FileActivity implements
 103 OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener, OnSslValidatorListener, OnRemoteOperationListener, EditNameDialogListener {
 104
 105     private ArrayAdapter<String> mDirectories;
 106
 107     /** Access point to the cached database for the current ownCloud {@link Account} */
 108     private FileDataStorageManager mStorageManager = null;
 109
 110     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 111     private UploadFinishReceiver mUploadFinishReceiver;
 112     private DownloadFinishReceiver mDownloadFinishReceiver;
 113     private FileDownloaderBinder mDownloaderBinder = null;
 114     private FileUploaderBinder mUploaderBinder = null;
 115     private ServiceConnection mDownloadConnection = null, mUploadConnection = null;
 116     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 117
 118     private boolean mDualPane;
 119     private View mLeftFragmentContainer;
 120     private View mRightFragmentContainer;
 121
 122     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 123     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 124
 125     public static final int DIALOG_SHORT_WAIT = 0;
 126     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 127     private static final int DIALOG_SSL_VALIDATOR = 2;
 128     private static final int DIALOG_CERT_NOT_SAVED = 3;
 129
 130     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
 131
 132     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 133
 134     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 135     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 136
 137     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 138
 139     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 140     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 141
 142     private OCFile mWaitingToPreview;
 143     private Handler mHandler;
 144
 145     private boolean mSyncInProgress = false;
 146
 147     @Override
 148     protected void onCreate(Bundle savedInstanceState) {
 149         Log_OC.d(TAG, "onCreate() start");
 150         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 151
 152         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 153
 154         mHandler = new Handler();
 155
 156         /// bindings to transference services
 157         mUploadConnection = new ListServiceConnection();
 158         mDownloadConnection = new ListServiceConnection();
 159         bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 160         bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 161
 162         // PIN CODE request ;  best location is to decide, let's try this first
 163         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 164             requestPinCode();
 165         }
 166
 167         /// file observer
 168         Intent observer_intent = new Intent(this, FileObserverService.class);
 169         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 170         startService(observer_intent);
 171
 172         /// Load of saved instance state
 173         if(savedInstanceState != null) {
 174             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 175             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 176
 177         } else {
 178             mWaitingToPreview = null;
 179             mSyncInProgress = false;
 180         }
 181
 182         /// USER INTERFACE
 183
 184         // Inflate and set the layout view
 185         setContentView(R.layout.files);
 186         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 187         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 188         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 189         if (savedInstanceState == null) {
 190             createMinFragments();
 191         }
 192
 193         // Action bar setup
 194         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 195         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 196         setSupportProgressBarIndeterminateVisibility(mSyncInProgress);    // always AFTER setContentView(...) ; to work around bug in its implementation
 197
 198
 199
 200         Log_OC.d(TAG, "onCreate() end");
 201     }
 202
 203
 204     @Override
 205     protected void onDestroy() {
 206         super.onDestroy();
 207         if (mDownloadConnection != null)
 208             unbindService(mDownloadConnection);
 209         if (mUploadConnection != null)
 210             unbindService(mUploadConnection);
 211     }
 212
 213
 214     /**
 215      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 216      */
 217     @Override
 218     protected void onAccountSet(boolean stateWasRecovered) {
 219         if (getAccount() != null) {
 220             mStorageManager = new FileDataStorageManager(getAccount(), getContentResolver());
 221
 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 (mStorageManager.getFileByPath(parentPath) ==  null)
 232                         file = null; // not able to know the directory where the file is uploading
 233                 } else {
 234                     file = mStorageManager.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 = mStorageManager.getFileByPath(OCFile.ROOT_PATH);  // never returns null
 240             }
 241             setFile(file);
 242             setNavigationListWithFolder(file);
 243             if (!stateWasRecovered) {
 244                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 245                 initFragmentsWithFile();
 246                 if (file.isFolder()) {
 247                     startSyncFolderOperation(file);
 248                 }
 249
 250             } else {
 251                 updateFragmentsVisibility(!file.isFolder());
 252                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 253             }
 254
 255
 256         } else {
 257             Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
 258         }
 259     }
 260
 261
 262     private void setNavigationListWithFolder(OCFile file) {
 263         mDirectories.clear();
 264         OCFile fileIt = file;
 265         String parentPath;
 266         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 267             if (fileIt.isFolder()) {
 268                 mDirectories.add(fileIt.getFileName());
 269             }
 270             //fileIt = mStorageManager.getFileById(fileIt.getParentId());
 271             // get parent from path
 272             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 273             fileIt = mStorageManager.getFileByPath(parentPath);
 274         }
 275         mDirectories.add(OCFile.PATH_SEPARATOR);
 276     }
 277
 278
 279     private void createMinFragments() {
 280         OCFileListFragment listOfFiles = new OCFileListFragment();
 281         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 282         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 283         transaction.commit();
 284     }
 285
 286     private void initFragmentsWithFile() {
 287         if (getAccount() != null && getFile() != null) {
 288             /// First fragment
 289             OCFileListFragment listOfFiles = getListOfFilesFragment();
 290             if (listOfFiles != null) {
 291                 listOfFiles.listDirectory(getCurrentDir());
 292             } else {
 293                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 294             }
 295
 296             /// Second fragment
 297             OCFile file = getFile();
 298             Fragment secondFragment = chooseInitialSecondFragment(file);
 299             if (secondFragment != null) {
 300                 setSecondFragment(secondFragment);
 301                 updateFragmentsVisibility(true);
 302                 updateNavigationElementsInActionBar(file);
 303
 304             } else {
 305                 cleanSecondFragment();
 306             }
 307
 308         } else {
 309             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 310             if (getAccount() == null) {
 311                 Log.wtf(TAG, "\t account is NULL");
 312             }
 313             if (getFile() == null) {
 314                 Log.wtf(TAG, "\t file is NULL");
 315             }
 316         }
 317     }
 318
 319     private Fragment chooseInitialSecondFragment(OCFile file) {
 320         Fragment secondFragment = null;
 321         if (file != null && !file.isFolder()) {
 322             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 323                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 324                     ) {
 325                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 326                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 327                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 328
 329             } else {
 330                 secondFragment = new FileDetailFragment(file, getAccount());
 331             }
 332         }
 333         return secondFragment;
 334     }
 335
 336
 337     /**
 338      * Replaces the second fragment managed by the activity with the received as
 339      * a parameter.
 340      *
 341      * Assumes never will be more than two fragments managed at the same time.
 342      *
 343      * @param fragment      New second Fragment to set.
 344      */
 345     private void setSecondFragment(Fragment fragment) {
 346         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 347         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 348         transaction.commit();
 349     }
 350
 351
 352     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 353         if (mDualPane) {
 354             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 355                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 356             }
 357             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 358                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 359             }
 360
 361         } else if (existsSecondFragment) {
 362             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 363                 mLeftFragmentContainer.setVisibility(View.GONE);
 364             }
 365             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 366                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 367             }
 368
 369         } else {
 370             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 371                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 372             }
 373             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 374                 mRightFragmentContainer.setVisibility(View.GONE);
 375             }
 376         }
 377     }
 378
 379
 380     private OCFileListFragment getListOfFilesFragment() {
 381         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 382         if (listOfFiles != null) {
 383             return (OCFileListFragment)listOfFiles;
 384         }
 385         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 386         return null;
 387     }
 388
 389     protected FileFragment getSecondFragment() {
 390         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 391         if (second != null) {
 392             return (FileFragment)second;
 393         }
 394         return null;
 395     }
 396
 397     public void cleanSecondFragment() {
 398         Fragment second = getSecondFragment();
 399         if (second != null) {
 400             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 401             tr.remove(second);
 402             tr.commit();
 403         }
 404         updateFragmentsVisibility(false);
 405         updateNavigationElementsInActionBar(null);
 406     }
 407
 408     protected void refeshListOfFilesFragment() {
 409         OCFileListFragment fileListFragment = getListOfFilesFragment();
 410         if (fileListFragment != null) {
 411             fileListFragment.listDirectory();
 412         }
 413     }
 414
 415     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 416         FileFragment secondFragment = getSecondFragment();
 417         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 418         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 419             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 420             OCFile fileInFragment = detailsFragment.getFile();
 421             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 422                 // the user browsed to other file ; forget the automatic preview
 423                 mWaitingToPreview = null;
 424
 425             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 426                 // grant that the right panel updates the progress bar
 427                 detailsFragment.listenForTransferProgress();
 428                 detailsFragment.updateFileDetails(true, false);
 429
 430             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 431                 //  update the right panel
 432                 boolean detailsFragmentChanged = false;
 433                 if (waitedPreview) {
 434                     if (success) {
 435                         mWaitingToPreview = mStorageManager.getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 436                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 437                             startMediaPreview(mWaitingToPreview, 0, true);
 438                             detailsFragmentChanged = true;
 439                         } else {
 440                             openFile(mWaitingToPreview);
 441                         }
 442                     }
 443                     mWaitingToPreview = null;
 444                 }
 445                 if (!detailsFragmentChanged) {
 446                     detailsFragment.updateFileDetails(false, (success));
 447                 }
 448             }
 449         }
 450     }
 451
 452
 453     @Override
 454     public boolean onCreateOptionsMenu(Menu menu) {
 455         MenuInflater inflater = getSherlock().getMenuInflater();
 456         inflater.inflate(R.menu.main_menu, menu);
 457         return true;
 458     }
 459
 460     @Override
 461     public boolean onOptionsItemSelected(MenuItem item) {
 462         boolean retval = true;
 463         switch (item.getItemId()) {
 464         case R.id.action_create_dir: {
 465             EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.uploader_info_dirname), "", -1, -1, this);
 466             dialog.show(getSupportFragmentManager(), "createdirdialog");
 467             break;
 468         }
 469         case R.id.action_sync_account: {
 470             startSynchronization();
 471             break;
 472         }
 473         case R.id.action_upload: {
 474             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 475             break;
 476         }
 477         case R.id.action_settings: {
 478             Intent settingsIntent = new Intent(this, Preferences.class);
 479             startActivity(settingsIntent);
 480             break;
 481         }
 482         case android.R.id.home: {
 483             FileFragment second = getSecondFragment();
 484             OCFile currentDir = getCurrentDir();
 485             if((currentDir != null && currentDir.getParentId() != 0) ||
 486                     (second != null && second.getFile() != null)) {
 487                 onBackPressed();
 488
 489             }
 490             break;
 491         }
 492         default:
 493             retval = super.onOptionsItemSelected(item);
 494         }
 495         return retval;
 496     }
 497
 498     private void startSynchronization() {
 499         Log_OC.e(TAG, "Got to start sync");
 500         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 501             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 502             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 503             Bundle bundle = new Bundle();
 504             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 505             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 506             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 507             ContentResolver.requestSync(
 508                     getAccount(),
 509                     MainApp.getAuthority(), bundle);
 510         } else {
 511             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 512             SyncRequest.Builder builder = new SyncRequest.Builder();
 513             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 514             builder.setExpedited(true);
 515             builder.setManual(true);
 516             builder.syncOnce();
 517             SyncRequest request = builder.build();
 518             ContentResolver.requestSync(request);
 519         }
 520     }
 521
 522
 523     @Override
 524     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 525         if (itemPosition != 0) {
 526             String targetPath = "";
 527             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 528                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 529             }
 530             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 531             OCFile targetFolder = mStorageManager.getFileByPath(targetPath);
 532             if (targetFolder != null) {
 533                 browseTo(targetFolder);
 534             }
 535
 536             // the next operation triggers a new call to this method, but it's necessary to
 537             // ensure that the name exposed in the action bar is the current directory when the
 538             // user selected it in the navigation list
 539             getSupportActionBar().setSelectedNavigationItem(0);
 540         }
 541         return true;
 542     }
 543
 544     /**
 545      * Called, when the user selected something for uploading
 546      */
 547     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 548         super.onActivityResult(requestCode, resultCode, data);
 549
 550         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 551             requestSimpleUpload(data, resultCode);
 552
 553         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 554             requestMultipleUpload(data, resultCode);
 555
 556         }
 557     }
 558
 559     private void requestMultipleUpload(Intent data, int resultCode) {
 560         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 561         if (filePaths != null) {
 562             String[] remotePaths = new String[filePaths.length];
 563             String remotePathBase = "";
 564             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 565                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 566             }
 567             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 568                 remotePathBase += OCFile.PATH_SEPARATOR;
 569             for (int j = 0; j< remotePaths.length; j++) {
 570                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 571             }
 572
 573             Intent i = new Intent(this, FileUploader.class);
 574             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 575             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 576             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 577             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 578             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 579                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 580             startService(i);
 581
 582         } else {
 583             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 584             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 585             t.show();
 586             return;
 587         }
 588     }
 589
 590
 591     private void requestSimpleUpload(Intent data, int resultCode) {
 592         String filepath = null;
 593         try {
 594             Uri selectedImageUri = data.getData();
 595
 596             String filemanagerstring = selectedImageUri.getPath();
 597             String selectedImagePath = getPath(selectedImageUri);
 598
 599             if (selectedImagePath != null)
 600                 filepath = selectedImagePath;
 601             else
 602                 filepath = filemanagerstring;
 603
 604         } catch (Exception e) {
 605             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 606             e.printStackTrace();
 607
 608         } finally {
 609             if (filepath == null) {
 610                 Log_OC.e(TAG, "Couldnt resolve path to file");
 611                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 612                 t.show();
 613                 return;
 614             }
 615         }
 616
 617         Intent i = new Intent(this, FileUploader.class);
 618         i.putExtra(FileUploader.KEY_ACCOUNT,
 619                 getAccount());
 620         String remotepath = new String();
 621         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 622             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 623         }
 624         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 625             remotepath += OCFile.PATH_SEPARATOR;
 626         remotepath += new File(filepath).getName();
 627
 628         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 629         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 630         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 631         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 632             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 633         startService(i);
 634     }
 635
 636     @Override
 637     public void onBackPressed() {
 638         OCFileListFragment listOfFiles = getListOfFilesFragment();
 639         if (mDualPane || getSecondFragment() == null) {
 640             if (listOfFiles != null) {  // should never be null, indeed
 641                 if (mDirectories.getCount() <= 1) {
 642                     finish();
 643                     return;
 644                 }
 645                 int levelsUp = listOfFiles.onBrowseUp();
 646                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 647                     popDirname();
 648                 }
 649             }
 650         }
 651         if (listOfFiles != null) {  // should never be null, indeed
 652             setFile(listOfFiles.getCurrentFile());
 653         }
 654         cleanSecondFragment();
 655
 656     }
 657
 658     @Override
 659     protected void onSaveInstanceState(Bundle outState) {
 660         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 661         Log_OC.e(TAG, "onSaveInstanceState() start");
 662         super.onSaveInstanceState(outState);
 663         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 664         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 665
 666         Log_OC.d(TAG, "onSaveInstanceState() end");
 667     }
 668
 669
 670
 671     @Override
 672     protected void onResume() {
 673         super.onResume();
 674         Log_OC.e(TAG, "onResume() start");
 675
 676         // Listen for sync messages
 677         IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.getSyncMessage());
 678         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 679         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 680
 681         // Listen for upload messages
 682         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 683         mUploadFinishReceiver = new UploadFinishReceiver();
 684         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 685
 686         // Listen for download messages
 687         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 688         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 689         mDownloadFinishReceiver = new DownloadFinishReceiver();
 690         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 691
 692         Log_OC.d(TAG, "onResume() end");
 693     }
 694
 695
 696     @Override
 697     protected void onPause() {
 698         super.onPause();
 699         Log_OC.e(TAG, "onPause() start");
 700         if (mSyncBroadcastReceiver != null) {
 701             unregisterReceiver(mSyncBroadcastReceiver);
 702             mSyncBroadcastReceiver = null;
 703         }
 704         if (mUploadFinishReceiver != null) {
 705             unregisterReceiver(mUploadFinishReceiver);
 706             mUploadFinishReceiver = null;
 707         }
 708         if (mDownloadFinishReceiver != null) {
 709             unregisterReceiver(mDownloadFinishReceiver);
 710             mDownloadFinishReceiver = null;
 711         }
 712
 713         Log_OC.d(TAG, "onPause() end");
 714     }
 715
 716
 717     @Override
 718     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 719         if (id == DIALOG_SSL_VALIDATOR && mLastSslUntrustedServerResult != null) {
 720             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 721         }
 722     }
 723
 724
 725     @Override
 726     protected Dialog onCreateDialog(int id) {
 727         Dialog dialog = null;
 728         AlertDialog.Builder builder;
 729         switch (id) {
 730         case DIALOG_SHORT_WAIT: {
 731             ProgressDialog working_dialog = new ProgressDialog(this);
 732             working_dialog.setMessage(getResources().getString(
 733                     R.string.wait_a_moment));
 734             working_dialog.setIndeterminate(true);
 735             working_dialog.setCancelable(false);
 736             dialog = working_dialog;
 737             break;
 738         }
 739         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 740
 741             String[] items = null;
 742
 743             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 744                     getString(R.string.actionbar_upload_from_apps),
 745                     getString(R.string.actionbar_failed_instant_upload) };
 746
 747             String[] commonItems = { getString(R.string.actionbar_upload_files),
 748                     getString(R.string.actionbar_upload_from_apps) };
 749
 750             if (InstantUploadActivity.IS_ENABLED)
 751                 items = allTheItems;
 752             else
 753                 items = commonItems;
 754
 755             builder = new AlertDialog.Builder(this);
 756             builder.setTitle(R.string.actionbar_upload);
 757             builder.setItems(items, new DialogInterface.OnClickListener() {
 758                 public void onClick(DialogInterface dialog, int item) {
 759                     if (item == 0) {
 760                         // if (!mDualPane) {
 761                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 762                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 763                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 764                             // } else {
 765                             // TODO create and handle new fragment
 766                             // LocalFileListFragment
 767                             // }
 768                     } else if (item == 1) {
 769                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 770                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 771                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 772                                 ACTION_SELECT_CONTENT_FROM_APPS);
 773                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 774                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 775                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 776                         startActivity(action);
 777                     }
 778                 }
 779             });
 780             dialog = builder.create();
 781             break;
 782         }
 783         case DIALOG_SSL_VALIDATOR: {
 784             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 785             break;
 786         }
 787         case DIALOG_CERT_NOT_SAVED: {
 788             builder = new AlertDialog.Builder(this);
 789             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 790             builder.setCancelable(false);
 791             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 792                 @Override
 793                 public void onClick(DialogInterface dialog, int which) {
 794                     dialog.dismiss();
 795                 };
 796             });
 797             dialog = builder.create();
 798             break;
 799         }
 800         default:
 801             dialog = null;
 802         }
 803
 804         return dialog;
 805     }
 806
 807
 808     /**
 809      * Show loading dialog
 810      */
 811     public void showLoadingDialog() {
 812         // Construct dialog
 813         LoadingDialog loading = new LoadingDialog(getResources().getString(R.string.wait_a_moment));
 814         FragmentManager fm = getSupportFragmentManager();
 815         FragmentTransaction ft = fm.beginTransaction();
 816         loading.show(ft, DIALOG_WAIT_TAG);
 817
 818     }
 819
 820     /**
 821      * Dismiss loading dialog
 822      */
 823     public void dismissLoadingDialog(){
 824         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 825       if (frag != null) {
 826           LoadingDialog loading = (LoadingDialog) frag;
 827             loading.dismiss();
 828         }
 829     }
 830
 831
 832     /**
 833      * Translates a content URI of an image to a physical path
 834      * on the disk
 835      * @param uri The URI to resolve
 836      * @return The path to the image or null if it could not be found
 837      */
 838     public String getPath(Uri uri) {
 839         String[] projection = { MediaStore.Images.Media.DATA };
 840         Cursor cursor = managedQuery(uri, projection, null, null, null);
 841         if (cursor != null) {
 842             int column_index = cursor
 843                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 844             cursor.moveToFirst();
 845             return cursor.getString(column_index);
 846         }
 847         return null;
 848     }
 849
 850     /**
 851      * Pushes a directory to the drop down list
 852      * @param directory to push
 853      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 854      */
 855     public void pushDirname(OCFile directory) {
 856         if(!directory.isFolder()){
 857             throw new IllegalArgumentException("Only directories may be pushed!");
 858         }
 859         mDirectories.insert(directory.getFileName(), 0);
 860         setFile(directory);
 861     }
 862
 863     /**
 864      * Pops a directory name from the drop down list
 865      * @return True, unless the stack is empty
 866      */
 867     public boolean popDirname() {
 868         mDirectories.remove(mDirectories.getItem(0));
 869         return !mDirectories.isEmpty();
 870     }
 871
 872     // Custom array adapter to override text colors
 873     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 874
 875         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 876             super(ctx, view);
 877         }
 878
 879         public View getView(int position, View convertView, ViewGroup parent) {
 880             View v = super.getView(position, convertView, parent);
 881
 882             ((TextView) v).setTextColor(getResources().getColorStateList(
 883                     android.R.color.white));
 884             return v;
 885         }
 886
 887         public View getDropDownView(int position, View convertView,
 888                 ViewGroup parent) {
 889             View v = super.getDropDownView(position, convertView, parent);
 890
 891             ((TextView) v).setTextColor(getResources().getColorStateList(
 892                     android.R.color.white));
 893
 894             return v;
 895         }
 896
 897     }
 898
 899     private class SyncBroadcastReceiver extends BroadcastReceiver {
 900
 901         /**
 902          * {@link BroadcastReceiver} to enable syncing feedback in UI
 903          */
 904         @Override
 905         public void onReceive(Context context, Intent intent) {
 906             boolean inProgress = intent.getBooleanExtra(FileSyncService.IN_PROGRESS, false);
 907             String accountName = intent.getStringExtra(FileSyncService.ACCOUNT_NAME);
 908             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncService.SYNC_RESULT);
 909
 910             if (getAccount() != null && accountName.equals(getAccount().name)
 911                     && mStorageManager != null
 912                     ) {
 913
 914                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH);
 915
 916                 OCFile currentFile = (getFile() == null) ? null : mStorageManager.getFileByPath(getFile().getRemotePath());
 917                 OCFile currentDir = (getCurrentDir() == null) ? null : mStorageManager.getFileByPath(getCurrentDir().getRemotePath());
 918
 919                 if (currentDir == null) {
 920                     // current folder was removed from the server
 921                     Toast.makeText( FileDisplayActivity.this,
 922                                     String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 923                                     Toast.LENGTH_LONG)
 924                         .show();
 925                     browseToRoot();
 926
 927                 } else {
 928                     if (currentFile == null && !getFile().isFolder()) {
 929                         // currently selected file was removed in the server, and now we know it
 930                         cleanSecondFragment();
 931                         currentFile = currentDir;
 932                     }
 933
 934                     if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 935                         OCFileListFragment fileListFragment = getListOfFilesFragment();
 936                         if (fileListFragment != null) {
 937                             fileListFragment.listDirectory(currentDir);
 938                         }
 939                     }
 940                     setFile(currentFile);
 941                 }
 942
 943                 setSupportProgressBarIndeterminateVisibility(inProgress);
 944                 removeStickyBroadcast(intent);
 945                 mSyncInProgress = inProgress;
 946
 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      * {@inheritDoc}
1015      */
1016     @Override
1017     public FileDataStorageManager getStorageManager() {
1018         return mStorageManager;
1019     }
1020
1021
1022     public void browseToRoot() {
1023         OCFileListFragment listOfFiles = getListOfFilesFragment();
1024         if (listOfFiles != null) {  // should never be null, indeed
1025             while (mDirectories.getCount() > 1) {
1026                 popDirname();
1027             }
1028             OCFile root = mStorageManager.getFileByPath(OCFile.ROOT_PATH);
1029             listOfFiles.listDirectory(root);
1030             setFile(listOfFiles.getCurrentFile());
1031             startSyncFolderOperation(root);
1032         }
1033         cleanSecondFragment();
1034     }
1035
1036
1037     public void browseTo(OCFile folder) {
1038         if (folder == null || !folder.isFolder()) {
1039             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1040         }
1041         OCFileListFragment listOfFiles = getListOfFilesFragment();
1042         if (listOfFiles != null) {
1043             setNavigationListWithFolder(folder);
1044             listOfFiles.listDirectory(folder);
1045             setFile(listOfFiles.getCurrentFile());
1046             startSyncFolderOperation(folder);
1047         } else {
1048             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1049         }
1050         cleanSecondFragment();
1051     }
1052
1053
1054     /**
1055      * {@inheritDoc}
1056      *
1057      * Updates action bar and second fragment, if in dual pane mode.
1058      */
1059     @Override
1060     public void onBrowsedDownTo(OCFile directory) {
1061         pushDirname(directory);
1062         cleanSecondFragment();
1063
1064         // Sync Folder
1065         startSyncFolderOperation(directory);
1066
1067     }
1068
1069     /**
1070      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1071      *
1072      * @param file                      Image {@link OCFile} to show.
1073      */
1074     @Override
1075     public void startImagePreview(OCFile file) {
1076         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1077         showDetailsIntent.putExtra(EXTRA_FILE, file);
1078         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1079         startActivity(showDetailsIntent);
1080     }
1081
1082     /**
1083      * Stars the preview of an already down media {@link OCFile}.
1084      *
1085      * @param file                      Media {@link OCFile} to preview.
1086      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1087      * @param autoplay                  When 'true', the playback will start without user interactions.
1088      */
1089     @Override
1090     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1091         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1092         setSecondFragment(mediaFragment);
1093         updateFragmentsVisibility(true);
1094         updateNavigationElementsInActionBar(file);
1095         setFile(file);
1096     }
1097
1098     /**
1099      * Requests the download of the received {@link OCFile} , updates the UI
1100      * to monitor the download progress and prepares the activity to preview
1101      * or open the file when the download finishes.
1102      *
1103      * @param file          {@link OCFile} to download and preview.
1104      */
1105     @Override
1106     public void startDownloadForPreview(OCFile file) {
1107         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1108         setSecondFragment(detailFragment);
1109         mWaitingToPreview = file;
1110         requestForDownload();
1111         updateFragmentsVisibility(true);
1112         updateNavigationElementsInActionBar(file);
1113         setFile(file);
1114     }
1115
1116
1117     /**
1118      * Shows the information of the {@link OCFile} received as a
1119      * parameter in the second fragment.
1120      *
1121      * @param file          {@link OCFile} whose details will be shown
1122      */
1123     @Override
1124     public void showDetails(OCFile file) {
1125         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1126         setSecondFragment(detailFragment);
1127         updateFragmentsVisibility(true);
1128         updateNavigationElementsInActionBar(file);
1129         setFile(file);
1130     }
1131
1132
1133     /**
1134      * TODO
1135      */
1136     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1137         ActionBar actionBar = getSupportActionBar();
1138         if (chosenFile == null || mDualPane) {
1139             // only list of files - set for browsing through folders
1140             OCFile currentDir = getCurrentDir();
1141             actionBar.setDisplayHomeAsUpEnabled(currentDir != null && currentDir.getParentId() != 0);
1142             actionBar.setDisplayShowTitleEnabled(false);
1143             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
1144             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1145
1146         } else {
1147             actionBar.setDisplayHomeAsUpEnabled(true);
1148             actionBar.setDisplayShowTitleEnabled(true);
1149             actionBar.setTitle(chosenFile.getFileName());
1150             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1151         }
1152     }
1153
1154
1155 //    private void updateDisplayHomeAtSync(){
1156 //        ActionBar actionBar = getSupportActionBar();
1157 //        OCFile currentDir = getCurrentDir();
1158 //        if (currentDir.getParentId() != DataStorageManager.ROOT_PARENT_ID) {
1159 //            actionBar.setHomeButtonEnabled(!mSyncInProgress);
1160 //            actionBar.setDisplayHomeAsUpEnabled(!mSyncInProgress);
1161 //        }
1162 //        else {
1163 //            actionBar.setHomeButtonEnabled(true);
1164 //            actionBar.setDisplayHomeAsUpEnabled(false);
1165 //        }
1166 //    }
1167 //
1168     /**
1169      * {@inheritDoc}
1170      */
1171     @Override
1172     public void onFileStateChanged() {
1173         refeshListOfFilesFragment();
1174         updateNavigationElementsInActionBar(getSecondFragment().getFile());
1175     }
1176
1177
1178     /**
1179      * {@inheritDoc}
1180      */
1181     @Override
1182     public FileDownloaderBinder getFileDownloaderBinder() {
1183         return mDownloaderBinder;
1184     }
1185
1186
1187     /**
1188      * {@inheritDoc}
1189      */
1190     @Override
1191     public FileUploaderBinder getFileUploaderBinder() {
1192         return mUploaderBinder;
1193     }
1194
1195
1196     /** Defines callbacks for service binding, passed to bindService() */
1197     private class ListServiceConnection implements ServiceConnection {
1198
1199         @Override
1200         public void onServiceConnected(ComponentName component, IBinder service) {
1201             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1202                 Log_OC.d(TAG, "Download service connected");
1203                 mDownloaderBinder = (FileDownloaderBinder) service;
1204                 if (mWaitingToPreview != null) {
1205                     requestForDownload();
1206                 }
1207
1208             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1209                 Log_OC.d(TAG, "Upload service connected");
1210                 mUploaderBinder = (FileUploaderBinder) service;
1211             } else {
1212                 return;
1213             }
1214             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1215             OCFileListFragment listOfFiles = getListOfFilesFragment();
1216             if (listOfFiles != null) {
1217                 listOfFiles.listDirectory();
1218             }
1219             FileFragment secondFragment = getSecondFragment();
1220             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1221                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1222                 detailFragment.listenForTransferProgress();
1223                 detailFragment.updateFileDetails(false, false);
1224             }
1225         }
1226
1227         @Override
1228         public void onServiceDisconnected(ComponentName component) {
1229             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1230                 Log_OC.d(TAG, "Download service disconnected");
1231                 mDownloaderBinder = null;
1232             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1233                 Log_OC.d(TAG, "Upload service disconnected");
1234                 mUploaderBinder = null;
1235             }
1236         }
1237     };
1238
1239
1240
1241     /**
1242      * Launch an intent to request the PIN code to the user before letting him use the app
1243      */
1244     private void requestPinCode() {
1245         boolean pinStart = false;
1246         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1247         pinStart = appPrefs.getBoolean("set_pincode", false);
1248         if (pinStart) {
1249             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1250             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1251             startActivity(i);
1252         }
1253     }
1254
1255
1256     @Override
1257     public void onSavedCertificate() {
1258         startSyncFolderOperation(getCurrentDir());
1259     }
1260
1261
1262     @Override
1263     public void onFailedSavingCertificate() {
1264         showDialog(DIALOG_CERT_NOT_SAVED);
1265     }
1266
1267
1268     /**
1269      * Updates the view associated to the activity after the finish of some operation over files
1270      * in the current account.
1271      *
1272      * @param operation     Removal operation performed.
1273      * @param result        Result of the removal.
1274      */
1275     @Override
1276     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1277         if (operation instanceof RemoveFileOperation) {
1278             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1279
1280         } else if (operation instanceof RenameFileOperation) {
1281             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1282
1283         } else if (operation instanceof SynchronizeFileOperation) {
1284             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1285
1286         } else if (operation instanceof CreateFolderOperation) {
1287             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1288
1289         }
1290     }
1291
1292
1293     /**
1294      * Updates the view associated to the activity after the finish of an operation trying to remove a
1295      * file.
1296      *
1297      * @param operation     Removal operation performed.
1298      * @param result        Result of the removal.
1299      */
1300     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1301         dismissLoadingDialog();
1302         if (result.isSuccess()) {
1303             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1304             msg.show();
1305             OCFile removedFile = operation.getFile();
1306             getSecondFragment();
1307             FileFragment second = getSecondFragment();
1308             if (second != null && removedFile.equals(second.getFile())) {
1309                 cleanSecondFragment();
1310             }
1311             if (mStorageManager.getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1312                 refeshListOfFilesFragment();
1313             }
1314
1315         } else {
1316             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1317             msg.show();
1318             if (result.isSslRecoverableException()) {
1319                 mLastSslUntrustedServerResult = result;
1320                 showDialog(DIALOG_SSL_VALIDATOR);
1321             }
1322         }
1323     }
1324
1325     /**
1326      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1327      *
1328      * @param operation     Creation operation performed.
1329      * @param result        Result of the creation.
1330      */
1331     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1332         if (result.isSuccess()) {
1333             dismissLoadingDialog();
1334             refeshListOfFilesFragment();
1335
1336         } else {
1337             dismissLoadingDialog();
1338             try {
1339                 Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
1340                 msg.show();
1341
1342             } catch (NotFoundException e) {
1343                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1344             }
1345         }
1346     }
1347
1348
1349     /**
1350      * Updates the view associated to the activity after the finish of an operation trying to rename a
1351      * file.
1352      *
1353      * @param operation     Renaming operation performed.
1354      * @param result        Result of the renaming.
1355      */
1356     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1357         dismissLoadingDialog();
1358         OCFile renamedFile = operation.getFile();
1359         if (result.isSuccess()) {
1360             if (mDualPane) {
1361                 FileFragment details = getSecondFragment();
1362                 if (details != null && details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1363                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1364                 }
1365             }
1366             if (mStorageManager.getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1367                 refeshListOfFilesFragment();
1368             }
1369
1370         } else {
1371             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1372                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1373                 msg.show();
1374                 // TODO throw again the new rename dialog
1375             } else {
1376                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1377                 msg.show();
1378                 if (result.isSslRecoverableException()) {
1379                     mLastSslUntrustedServerResult = result;
1380                     showDialog(DIALOG_SSL_VALIDATOR);
1381                 }
1382             }
1383         }
1384     }
1385
1386
1387     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1388         dismissLoadingDialog();
1389         OCFile syncedFile = operation.getLocalFile();
1390         if (!result.isSuccess()) {
1391             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1392                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1393                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1394                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1395                 startActivity(i);
1396
1397             }
1398
1399         } else {
1400             if (operation.transferWasRequested()) {
1401                 refeshListOfFilesFragment();
1402                 onTransferStateChanged(syncedFile, true, true);
1403
1404             } else {
1405                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1406                 msg.show();
1407             }
1408         }
1409     }
1410
1411
1412     /**
1413      * {@inheritDoc}
1414      */
1415     @Override
1416     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1417         if (mDualPane) {
1418             FileFragment details = getSecondFragment();
1419             if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1420                 if (downloading || uploading) {
1421                     ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1422                 } else {
1423                     ((FileDetailFragment)details).updateFileDetails(false, true);
1424                 }
1425             }
1426         }
1427     }
1428
1429
1430     public void onDismiss(EditNameDialog dialog) {
1431         if (dialog.getResult()) {
1432             String newDirectoryName = dialog.getNewFilename().trim();
1433             Log_OC.d(TAG, "'create directory' dialog dismissed with new name " + newDirectoryName);
1434             if (newDirectoryName.length() > 0) {
1435                 String path = getCurrentDir().getRemotePath();
1436
1437                 // Create directory
1438                 path += newDirectoryName + OCFile.PATH_SEPARATOR;
1439                 RemoteOperation operation = new CreateFolderOperation(path, false, mStorageManager);
1440                 operation.execute(  getAccount(),
1441                         FileDisplayActivity.this,
1442                         FileDisplayActivity.this,
1443                         mHandler,
1444                         FileDisplayActivity.this);
1445
1446                 showLoadingDialog();
1447             }
1448         }
1449     }
1450
1451
1452     private void requestForDownload() {
1453         Account account = getAccount();
1454         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1455             Intent i = new Intent(this, FileDownloader.class);
1456             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1457             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1458             startService(i);
1459         }
1460     }
1461
1462
1463     private OCFile getCurrentDir() {
1464         OCFile file = getFile();
1465         if (file != null) {
1466             if (file.isFolder()) {
1467                 return file;
1468             } else if (mStorageManager != null) {
1469                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1470                 return mStorageManager.getFileByPath(parentPath);
1471             }
1472         }
1473         return null;
1474     }
1475
1476     public void startSyncFolderOperation(OCFile folder) {
1477         long currentSyncTime = System.currentTimeMillis();
1478
1479         mSyncInProgress = true;
1480
1481         // perform folder synchronization
1482         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1483                                                                         currentSyncTime,
1484                                                                         false,
1485                                                                         getStorageManager(),
1486                                                                         getAccount(),
1487                                                                         getApplicationContext()
1488                                                                       );
1489         synchFolderOp.execute(getAccount(), this, null, null, this);
1490
1491         setSupportProgressBarIndeterminateVisibility(true);
1492     }
1493
1494
1495 //    public void enableDisableViewGroup(ViewGroup viewGroup, boolean enabled) {
1496 //        int childCount = viewGroup.getChildCount();
1497 //        for (int i = 0; i < childCount; i++) {
1498 //          View view = viewGroup.getChildAt(i);
1499 //          view.setEnabled(enabled);
1500 //          view.setClickable(!enabled);
1501 //          if (view instanceof ViewGroup) {
1502 //            enableDisableViewGroup((ViewGroup) view, enabled);
1503 //          }
1504 //        }
1505 //      }
1506 }