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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22
  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.FragmentManager;
  46 import android.support.v4.app.FragmentTransaction;
  47 //import android.support.v4.content.LocalBroadcastManager;
  48 import android.util.Log;
  49 import android.view.View;
  50 import android.view.ViewGroup;
  51 import android.widget.ArrayAdapter;
  52 import android.widget.TextView;
  53 import android.widget.Toast;
  54
  55 import com.actionbarsherlock.app.ActionBar;
  56 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  57 import com.actionbarsherlock.view.Menu;
  58 import com.actionbarsherlock.view.MenuInflater;
  59 import com.actionbarsherlock.view.MenuItem;
  60 import com.actionbarsherlock.view.Window;
  61 import com.owncloud.android.MainApp;
  62 import com.owncloud.android.R;
  63 import com.owncloud.android.datamodel.OCFile;
  64 import com.owncloud.android.files.services.FileDownloader;
  65 import com.owncloud.android.files.services.FileObserverService;
  66 import com.owncloud.android.files.services.FileUploader;
  67 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  68 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  69 import com.owncloud.android.operations.CreateFolderOperation;
  70
  71 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  72 import com.owncloud.android.lib.common.operations.RemoteOperation;
  73 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  74 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  75 import com.owncloud.android.operations.CreateShareOperation;
  76 import com.owncloud.android.operations.RemoveFileOperation;
  77 import com.owncloud.android.operations.RenameFileOperation;
  78 import com.owncloud.android.operations.SynchronizeFileOperation;
  79 import com.owncloud.android.operations.SynchronizeFolderOperation;
  80 import com.owncloud.android.operations.UnshareLinkOperation;
  81 import com.owncloud.android.syncadapter.FileSyncAdapter;
  82 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  83 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  84 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  85 import com.owncloud.android.ui.fragment.FileDetailFragment;
  86 import com.owncloud.android.ui.fragment.FileFragment;
  87 import com.owncloud.android.ui.fragment.OCFileListFragment;
  88 import com.owncloud.android.ui.preview.PreviewImageActivity;
  89 import com.owncloud.android.ui.preview.PreviewImageFragment;
  90 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  91 import com.owncloud.android.ui.preview.PreviewVideoActivity;
  92 import com.owncloud.android.utils.DisplayUtils;
  93 import com.owncloud.android.utils.ErrorMessageAdapter;
  94 import com.owncloud.android.utils.Log_OC;
  95
  96
  97 /**
  98  * Displays, what files the user has available in his ownCloud.
  99  *
 100  * @author Bartek Przybylski
 101  * @author David A. Velasco
 102  */
 103
 104 public class FileDisplayActivity extends HookActivity implements
 105 FileFragment.ContainerActivity, OnNavigationListener, OnSslUntrustedCertListener {
 106
 107     private ArrayAdapter<String> mDirectories;
 108
 109     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 110     private UploadFinishReceiver mUploadFinishReceiver;
 111     private DownloadFinishReceiver mDownloadFinishReceiver;
 112     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 113
 114     private boolean mDualPane;
 115     private View mLeftFragmentContainer;
 116     private View mRightFragmentContainer;
 117
 118     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 119     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 120     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 121
 122     public static final int DIALOG_SHORT_WAIT = 0;
 123     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 124     private static final int DIALOG_CERT_NOT_SAVED = 2;
 125
 126     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 127
 128     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 129     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 130
 131     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 132
 133     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 134     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 135
 136     private OCFile mWaitingToPreview;
 137
 138     private boolean mSyncInProgress = false;
 139
 140     private String DIALOG_UNTRUSTED_CERT;
 141
 142     private OCFile mWaitingToSend;
 143
 144     @Override
 145     protected void onCreate(Bundle savedInstanceState) {
 146         Log_OC.d(TAG, "onCreate() start");
 147         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 148
 149         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 150
 151         // PIN CODE request ;  best location is to decide, let's try this first
 152         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 153             requestPinCode();
 154         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 155             requestPinCode();
 156         }
 157
 158         /// file observer
 159         Intent observer_intent = new Intent(this, FileObserverService.class);
 160         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 161         startService(observer_intent);
 162
 163         /// Load of saved instance state
 164         if(savedInstanceState != null) {
 165             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 166             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 167             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 168
 169         } else {
 170             mWaitingToPreview = null;
 171             mSyncInProgress = false;
 172             mWaitingToSend = null;
 173         }
 174
 175         /// USER INTERFACE
 176
 177         // Inflate and set the layout view
 178         setContentView(R.layout.files);
 179         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 180         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 181         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 182         if (savedInstanceState == null) {
 183             createMinFragments();
 184         } else {
 185             Log_OC.d(TAG, "Init the secondFragment again");
 186             if (mDualPane) {
 187                 initFragmentsWithFile();
 188             }
 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     }
 209
 210     /**
 211      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 212      */
 213     @Override
 214     protected void onAccountSet(boolean stateWasRecovered) {
 215         super.onAccountSet(stateWasRecovered);
 216         if (getAccount() != null) {
 217             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 218             OCFile file = getFile();
 219             // get parent from path
 220             String parentPath = "";
 221             if (file != null) {
 222                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 223                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 224                     // get parent from path
 225                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 226                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 227                         file = null; // not able to know the directory where the file is uploading
 228                 } else {
 229                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 230                 }
 231             }
 232             if (file == null) {
 233                 // fall back to root folder
 234                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 235             }
 236             setFile(file);
 237             setNavigationListWithFolder(file);
 238
 239             if (!stateWasRecovered) {
 240                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 241                 initFragmentsWithFile();
 242                 if (file.isFolder()) {
 243                     startSyncFolderOperation(file);
 244                 }
 245
 246             } else {
 247                 updateFragmentsVisibility(!file.isFolder());
 248                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 249             }
 250         }
 251     }
 252
 253
 254     private void setNavigationListWithFolder(OCFile file) {
 255         mDirectories.clear();
 256         OCFile fileIt = file;
 257         String parentPath;
 258         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 259             if (fileIt.isFolder()) {
 260                 mDirectories.add(fileIt.getFileName());
 261             }
 262             // get parent from path
 263             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 264             fileIt = getStorageManager().getFileByPath(parentPath);
 265         }
 266         mDirectories.add(OCFile.PATH_SEPARATOR);
 267     }
 268
 269
 270     private void createMinFragments() {
 271         OCFileListFragment listOfFiles = new OCFileListFragment();
 272         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 273         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 274         transaction.commit();
 275     }
 276
 277     private void initFragmentsWithFile() {
 278         if (getAccount() != null && getFile() != null) {
 279             /// First fragment
 280             OCFileListFragment listOfFiles = getListOfFilesFragment();
 281             if (listOfFiles != null) {
 282                 listOfFiles.listDirectory(getCurrentDir());
 283             } else {
 284                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 285             }
 286
 287             /// Second fragment
 288             OCFile file = getFile();
 289             Fragment secondFragment = chooseInitialSecondFragment(file);
 290             if (secondFragment != null) {
 291                 setSecondFragment(secondFragment);
 292                 updateFragmentsVisibility(true);
 293                 updateNavigationElementsInActionBar(file);
 294
 295             } else {
 296                 cleanSecondFragment();
 297             }
 298
 299         } else {
 300             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 301             if (getAccount() == null) {
 302                 Log.wtf(TAG, "\t account is NULL");
 303             }
 304             if (getFile() == null) {
 305                 Log.wtf(TAG, "\t file is NULL");
 306             }
 307         }
 308     }
 309
 310     private Fragment chooseInitialSecondFragment(OCFile file) {
 311         Fragment secondFragment = null;
 312         if (file != null && !file.isFolder()) {
 313             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 314                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 315                     ) {
 316                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 317                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 318                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 319
 320             } else {
 321                 secondFragment = new FileDetailFragment(file, getAccount());
 322             }
 323         }
 324         return secondFragment;
 325     }
 326
 327
 328     /**
 329      * Replaces the second fragment managed by the activity with the received as
 330      * a parameter.
 331      *
 332      * Assumes never will be more than two fragments managed at the same time.
 333      *
 334      * @param fragment      New second Fragment to set.
 335      */
 336     private void setSecondFragment(Fragment fragment) {
 337         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 338         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 339         transaction.commit();
 340     }
 341
 342
 343     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 344         if (mDualPane) {
 345             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 346                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 347             }
 348             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 349                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 350             }
 351
 352         } else if (existsSecondFragment) {
 353             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 354                 mLeftFragmentContainer.setVisibility(View.GONE);
 355             }
 356             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 357                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 358             }
 359
 360         } else {
 361             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 362                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 363             }
 364             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 365                 mRightFragmentContainer.setVisibility(View.GONE);
 366             }
 367         }
 368     }
 369
 370
 371     private OCFileListFragment getListOfFilesFragment() {
 372         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 373         if (listOfFiles != null) {
 374             return (OCFileListFragment)listOfFiles;
 375         }
 376         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 377         return null;
 378     }
 379
 380     public FileFragment getSecondFragment() {
 381         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 382         if (second != null) {
 383             return (FileFragment)second;
 384         }
 385         return null;
 386     }
 387
 388     protected void cleanSecondFragment() {
 389         Fragment second = getSecondFragment();
 390         if (second != null) {
 391             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 392             tr.remove(second);
 393             tr.commit();
 394         }
 395         updateFragmentsVisibility(false);
 396         updateNavigationElementsInActionBar(null);
 397     }
 398
 399     protected void refreshListOfFilesFragment() {
 400         OCFileListFragment fileListFragment = getListOfFilesFragment();
 401         if (fileListFragment != null) {
 402             fileListFragment.listDirectory();
 403         }
 404     }
 405
 406     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 407         FileFragment secondFragment = getSecondFragment();
 408         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 409         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 410             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 411             OCFile fileInFragment = detailsFragment.getFile();
 412             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 413                 // the user browsed to other file ; forget the automatic preview
 414                 mWaitingToPreview = null;
 415
 416             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 417                 // grant that the right panel updates the progress bar
 418                 detailsFragment.listenForTransferProgress();
 419                 detailsFragment.updateFileDetails(true, false);
 420
 421             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 422                 //  update the right panel
 423                 boolean detailsFragmentChanged = false;
 424                 if (waitedPreview) {
 425                     if (success) {
 426                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 427                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 428                             startMediaPreview(mWaitingToPreview, 0, true);
 429                             detailsFragmentChanged = true;
 430                         } else {
 431                             getFileOperationsHelper().openFile(mWaitingToPreview);
 432                         }
 433                     }
 434                     mWaitingToPreview = null;
 435                 }
 436                 if (!detailsFragmentChanged) {
 437                     detailsFragment.updateFileDetails(false, (success));
 438                 }
 439             }
 440         }
 441     }
 442
 443     @Override
 444     public boolean onCreateOptionsMenu(Menu menu) {
 445         MenuInflater inflater = getSherlock().getMenuInflater();
 446         inflater.inflate(R.menu.main_menu, menu);
 447         return true;
 448     }
 449
 450     @Override
 451     public boolean onOptionsItemSelected(MenuItem item) {
 452         boolean retval = true;
 453         switch (item.getItemId()) {
 454         case R.id.action_create_dir: {
 455             CreateFolderDialogFragment dialog =
 456                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 457             dialog.show(getSupportFragmentManager(), "createdirdialog");
 458             break;
 459         }
 460         case R.id.action_sync_account: {
 461             startSynchronization();
 462             break;
 463         }
 464         case R.id.action_upload: {
 465             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 466             break;
 467         }
 468         case R.id.action_settings: {
 469             Intent settingsIntent = new Intent(this, Preferences.class);
 470             startActivity(settingsIntent);
 471             break;
 472         }
 473         case android.R.id.home: {
 474             FileFragment second = getSecondFragment();
 475             OCFile currentDir = getCurrentDir();
 476             if((currentDir != null && currentDir.getParentId() != 0) ||
 477                     (second != null && second.getFile() != null)) {
 478                 onBackPressed();
 479
 480             }
 481             break;
 482         }
 483         default:
 484             retval = super.onOptionsItemSelected(item);
 485         }
 486         return retval;
 487     }
 488
 489     private void startSynchronization() {
 490         Log_OC.e(TAG, "Got to start sync");
 491         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 492             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 493             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 494             Bundle bundle = new Bundle();
 495             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 496             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 497             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 498             ContentResolver.requestSync(
 499                     getAccount(),
 500                     MainApp.getAuthority(), bundle);
 501         } else {
 502             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 503             SyncRequest.Builder builder = new SyncRequest.Builder();
 504             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 505             builder.setExpedited(true);
 506             builder.setManual(true);
 507             builder.syncOnce();
 508             SyncRequest request = builder.build();
 509             ContentResolver.requestSync(request);
 510         }
 511     }
 512
 513
 514     @Override
 515     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 516         if (itemPosition != 0) {
 517             String targetPath = "";
 518             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 519                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 520             }
 521             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 522             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 523             if (targetFolder != null) {
 524                 browseTo(targetFolder);
 525             }
 526
 527             // the next operation triggers a new call to this method, but it's necessary to
 528             // ensure that the name exposed in the action bar is the current directory when the
 529             // user selected it in the navigation list
 530             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 531                 getSupportActionBar().setSelectedNavigationItem(0);
 532         }
 533         return true;
 534     }
 535
 536     /**
 537      * Called, when the user selected something for uploading
 538      */
 539     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 540         super.onActivityResult(requestCode, resultCode, data);
 541
 542         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 543             requestSimpleUpload(data, resultCode);
 544
 545         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 546             requestMultipleUpload(data, resultCode);
 547
 548         }
 549     }
 550
 551     private void requestMultipleUpload(Intent data, int resultCode) {
 552         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 553         if (filePaths != null) {
 554             String[] remotePaths = new String[filePaths.length];
 555             String remotePathBase = "";
 556             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 557                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 558             }
 559             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 560                 remotePathBase += OCFile.PATH_SEPARATOR;
 561             for (int j = 0; j< remotePaths.length; j++) {
 562                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 563             }
 564
 565             Intent i = new Intent(this, FileUploader.class);
 566             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 567             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 568             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 569             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 570             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 571                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 572             startService(i);
 573
 574         } else {
 575             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 576             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 577             t.show();
 578             return;
 579         }
 580     }
 581
 582
 583     private void requestSimpleUpload(Intent data, int resultCode) {
 584         String filepath = null;
 585         try {
 586             Uri selectedImageUri = data.getData();
 587
 588             String filemanagerstring = selectedImageUri.getPath();
 589             String selectedImagePath = getPath(selectedImageUri);
 590
 591             if (selectedImagePath != null)
 592                 filepath = selectedImagePath;
 593             else
 594                 filepath = filemanagerstring;
 595
 596         } catch (Exception e) {
 597             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 598             e.printStackTrace();
 599
 600         } finally {
 601             if (filepath == null) {
 602                 Log_OC.e(TAG, "Couldnt resolve path to file");
 603                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 604                 t.show();
 605                 return;
 606             }
 607         }
 608
 609         Intent i = new Intent(this, FileUploader.class);
 610         i.putExtra(FileUploader.KEY_ACCOUNT,
 611                 getAccount());
 612         String remotepath = new String();
 613         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 614             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 615         }
 616         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 617             remotepath += OCFile.PATH_SEPARATOR;
 618         remotepath += new File(filepath).getName();
 619
 620         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 621         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 622         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 623         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 624             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 625         startService(i);
 626     }
 627
 628     @Override
 629     public void onBackPressed() {
 630         OCFileListFragment listOfFiles = getListOfFilesFragment();
 631         if (mDualPane || getSecondFragment() == null) {
 632             if (listOfFiles != null) {  // should never be null, indeed
 633                 if (mDirectories.getCount() <= 1) {
 634                     finish();
 635                     return;
 636                 }
 637                 int levelsUp = listOfFiles.onBrowseUp();
 638                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 639                     popDirname();
 640                 }
 641             }
 642         }
 643         if (listOfFiles != null) {  // should never be null, indeed
 644             setFile(listOfFiles.getCurrentFile());
 645         }
 646         cleanSecondFragment();
 647
 648     }
 649
 650     @Override
 651     protected void onSaveInstanceState(Bundle outState) {
 652         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 653         Log_OC.e(TAG, "onSaveInstanceState() start");
 654         super.onSaveInstanceState(outState);
 655         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 656         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 657         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 658         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 659
 660         Log_OC.d(TAG, "onSaveInstanceState() end");
 661     }
 662
 663
 664
 665     @Override
 666     protected void onResume() {
 667         super.onResume();
 668         Log_OC.e(TAG, "onResume() start");
 669
 670         // refresh list of files
 671         refreshListOfFilesFragment();
 672
 673         // Listen for sync messages
 674         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 675         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 676         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 677         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 678         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 679         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 680         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 681         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 682
 683         // Listen for upload messages
 684         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 685         mUploadFinishReceiver = new UploadFinishReceiver();
 686         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 687
 688         // Listen for download messages
 689         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 690         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 691         mDownloadFinishReceiver = new DownloadFinishReceiver();
 692         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 693
 694         Log_OC.d(TAG, "onResume() end");
 695     }
 696
 697
 698     @Override
 699     protected void onPause() {
 700         Log_OC.e(TAG, "onPause() start");
 701         if (mSyncBroadcastReceiver != null) {
 702             unregisterReceiver(mSyncBroadcastReceiver);
 703             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 704             mSyncBroadcastReceiver = null;
 705         }
 706         if (mUploadFinishReceiver != null) {
 707             unregisterReceiver(mUploadFinishReceiver);
 708             mUploadFinishReceiver = null;
 709         }
 710         if (mDownloadFinishReceiver != null) {
 711             unregisterReceiver(mDownloadFinishReceiver);
 712             mDownloadFinishReceiver = null;
 713         }
 714
 715
 716         Log_OC.d(TAG, "onPause() end");
 717         super.onPause();
 718     }
 719
 720
 721     @Override
 722     protected Dialog onCreateDialog(int id) {
 723         Dialog dialog = null;
 724         AlertDialog.Builder builder;
 725         switch (id) {
 726         case DIALOG_SHORT_WAIT: {
 727             ProgressDialog working_dialog = new ProgressDialog(this);
 728             working_dialog.setMessage(getResources().getString(
 729                     R.string.wait_a_moment));
 730             working_dialog.setIndeterminate(true);
 731             working_dialog.setCancelable(false);
 732             dialog = working_dialog;
 733             break;
 734         }
 735         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 736
 737             String[] items = null;
 738
 739             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 740                     getString(R.string.actionbar_upload_from_apps),
 741                     getString(R.string.actionbar_failed_instant_upload) };
 742
 743             String[] commonItems = { getString(R.string.actionbar_upload_files),
 744                     getString(R.string.actionbar_upload_from_apps) };
 745
 746             if (InstantUploadActivity.IS_ENABLED)
 747                 items = allTheItems;
 748             else
 749                 items = commonItems;
 750
 751             builder = new AlertDialog.Builder(this);
 752             builder.setTitle(R.string.actionbar_upload);
 753             builder.setItems(items, new DialogInterface.OnClickListener() {
 754                 public void onClick(DialogInterface dialog, int item) {
 755                     if (item == 0) {
 756                         // if (!mDualPane) {
 757                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 758                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 759                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 760                             // } else {
 761                             // TODO create and handle new fragment
 762                             // LocalFileListFragment
 763                             // }
 764                     } else if (item == 1) {
 765                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 766                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 767                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 768                                 ACTION_SELECT_CONTENT_FROM_APPS);
 769                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 770                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 771                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 772                         startActivity(action);
 773                     }
 774                 }
 775             });
 776             dialog = builder.create();
 777             break;
 778         }
 779         case DIALOG_CERT_NOT_SAVED: {
 780             builder = new AlertDialog.Builder(this);
 781             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 782             builder.setCancelable(false);
 783             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 784                 @Override
 785                 public void onClick(DialogInterface dialog, int which) {
 786                     dialog.dismiss();
 787                 };
 788             });
 789             dialog = builder.create();
 790             break;
 791         }
 792         default:
 793             dialog = null;
 794         }
 795
 796         return dialog;
 797     }
 798
 799
 800     /**
 801      * Translates a content URI of an image to a physical path
 802      * on the disk
 803      * @param uri The URI to resolve
 804      * @return The path to the image or null if it could not be found
 805      */
 806     public String getPath(Uri uri) {
 807         String[] projection = { MediaStore.Images.Media.DATA };
 808         Cursor cursor = managedQuery(uri, projection, null, null, null);
 809         if (cursor != null) {
 810             int column_index = cursor
 811                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 812             cursor.moveToFirst();
 813             return cursor.getString(column_index);
 814         }
 815         return null;
 816     }
 817
 818     /**
 819      * Pushes a directory to the drop down list
 820      * @param directory to push
 821      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 822      */
 823     public void pushDirname(OCFile directory) {
 824         if(!directory.isFolder()){
 825             throw new IllegalArgumentException("Only directories may be pushed!");
 826         }
 827         mDirectories.insert(directory.getFileName(), 0);
 828         setFile(directory);
 829     }
 830
 831     /**
 832      * Pops a directory name from the drop down list
 833      * @return True, unless the stack is empty
 834      */
 835     public boolean popDirname() {
 836         mDirectories.remove(mDirectories.getItem(0));
 837         return !mDirectories.isEmpty();
 838     }
 839
 840     // Custom array adapter to override text colors
 841     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 842
 843         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 844             super(ctx, view);
 845         }
 846
 847         public View getView(int position, View convertView, ViewGroup parent) {
 848             View v = super.getView(position, convertView, parent);
 849
 850             ((TextView) v).setTextColor(getResources().getColorStateList(
 851                     android.R.color.white));
 852
 853             fixRoot((TextView) v );
 854             return v;
 855         }
 856
 857         public View getDropDownView(int position, View convertView,
 858                 ViewGroup parent) {
 859             View v = super.getDropDownView(position, convertView, parent);
 860
 861             ((TextView) v).setTextColor(getResources().getColorStateList(
 862                     android.R.color.white));
 863
 864             fixRoot((TextView) v );
 865             return v;
 866         }
 867
 868         private void fixRoot(TextView v) {
 869             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 870                 v.setText(R.string.default_display_name_for_root_folder);
 871             }
 872         }
 873
 874     }
 875
 876     private class SyncBroadcastReceiver extends BroadcastReceiver {
 877
 878         /**
 879          * {@link BroadcastReceiver} to enable syncing feedback in UI
 880          */
 881         @Override
 882         public void onReceive(Context context, Intent intent) {
 883             try {
 884                 String event = intent.getAction();
 885                 Log_OC.d(TAG, "Received broadcast " + event);
 886                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 887                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 888                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 889                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 890
 891                 if (sameAccount) {
 892
 893                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 894                         mSyncInProgress = true;
 895
 896                     } else {
 897                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 898                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 899
 900                         if (currentDir == null) {
 901                             // current folder was removed from the server
 902                             Toast.makeText( FileDisplayActivity.this,
 903                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 904                                             Toast.LENGTH_LONG)
 905                                 .show();
 906                             browseToRoot();
 907
 908                         } else {
 909                             if (currentFile == null && !getFile().isFolder()) {
 910                                 // currently selected file was removed in the server, and now we know it
 911                                 cleanSecondFragment();
 912                                 currentFile = currentDir;
 913                             }
 914
 915                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 916                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 917                                 if (fileListFragment != null) {
 918                                     fileListFragment.listDirectory(currentDir);
 919                                 }
 920                             }
 921                             setFile(currentFile);
 922                         }
 923
 924                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 925
 926                         }
 927                         removeStickyBroadcast(intent);
 928                         Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 929                         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 930                 }
 931
 932                 if (synchResult != null) {
 933                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 934                         mLastSslUntrustedServerResult = synchResult;
 935                     }
 936                 }
 937             } catch (RuntimeException e) {
 938                 // avoid app crashes after changing the serial id of RemoteOperationResult
 939                 // in owncloud library with broadcast notifications pending to process
 940                 removeStickyBroadcast(intent);
 941             }
 942         }
 943     }
 944
 945
 946     /**
 947      * Once the file upload has finished -> update view
 948      */
 949     private class UploadFinishReceiver extends BroadcastReceiver {
 950         /**
 951          * Once the file upload has finished -> update view
 952          *  @author David A. Velasco
 953          * {@link BroadcastReceiver} to enable upload feedback in UI
 954          */
 955         @Override
 956         public void onReceive(Context context, Intent intent) {
 957             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 958             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 959             boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
 960             OCFile currentDir = getCurrentDir();
 961             boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
 962                     (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
 963
 964             if (sameAccount && isDescendant) {
 965                 refreshListOfFilesFragment();
 966             }
 967
 968             boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 969             boolean renamedInUpload = getFile().getRemotePath().
 970                     equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 971             boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
 972                     renamedInUpload;
 973             FileFragment details = getSecondFragment();
 974             boolean detailFragmentIsShown = (details != null &&
 975                     details instanceof FileDetailFragment);
 976
 977             if (sameAccount && sameFile && detailFragmentIsShown) {
 978                 if (uploadWasFine) {
 979                     setFile(getStorageManager().getFileByPath(uploadedRemotePath));
 980                 }
 981                 if (renamedInUpload) {
 982                     String newName = (new File(uploadedRemotePath)).getName();
 983                     Toast msg = Toast.makeText(
 984                             context,
 985                             String.format(
 986                                     getString(R.string.filedetails_renamed_in_upload_msg),
 987                                     newName),
 988                             Toast.LENGTH_LONG);
 989                     msg.show();
 990                 }
 991                 if (uploadWasFine || getFile().fileExists()) {
 992                     ((FileDetailFragment)details).updateFileDetails(false, true);
 993                 } else {
 994                     cleanSecondFragment();
 995                 }
 996
 997                 // Force the preview if the file is an image
 998                 if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
 999                     startImagePreview(getFile());
1000                 } // TODO what about other kind of previews?
1001             }
1002
1003             removeStickyBroadcast(intent);
1004
1005         }
1006
1007     }
1008
1009
1010     /**
1011      * Class waiting for broadcast events from the {@link FielDownloader} service.
1012      *
1013      * Updates the UI when a download is started or finished, provided that it is relevant for the
1014      * current folder.
1015      */
1016     private class DownloadFinishReceiver extends BroadcastReceiver {
1017         @Override
1018         public void onReceive(Context context, Intent intent) {
1019             boolean sameAccount = isSameAccount(context, intent);
1020             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1021             boolean isDescendant = isDescendant(downloadedRemotePath);
1022
1023             if (sameAccount && isDescendant) {
1024                 refreshListOfFilesFragment();
1025                 refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1026             }
1027
1028             if (mWaitingToSend != null) {
1029                 mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1030                 if (mWaitingToSend.isDown()) {
1031                     sendDownloadedFile();
1032                 }
1033             }
1034
1035             removeStickyBroadcast(intent);
1036         }
1037
1038         private boolean isDescendant(String downloadedRemotePath) {
1039             OCFile currentDir = getCurrentDir();
1040             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1041         }
1042
1043         private boolean isSameAccount(Context context, Intent intent) {
1044             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1045             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1046         }
1047     }
1048
1049
1050     public void browseToRoot() {
1051         OCFileListFragment listOfFiles = getListOfFilesFragment();
1052         if (listOfFiles != null) {  // should never be null, indeed
1053             while (mDirectories.getCount() > 1) {
1054                 popDirname();
1055             }
1056             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1057             listOfFiles.listDirectory(root);
1058             setFile(listOfFiles.getCurrentFile());
1059             startSyncFolderOperation(root);
1060         }
1061         cleanSecondFragment();
1062     }
1063
1064
1065     public void browseTo(OCFile folder) {
1066         if (folder == null || !folder.isFolder()) {
1067             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1068         }
1069         OCFileListFragment listOfFiles = getListOfFilesFragment();
1070         if (listOfFiles != null) {
1071             setNavigationListWithFolder(folder);
1072             listOfFiles.listDirectory(folder);
1073             setFile(listOfFiles.getCurrentFile());
1074             startSyncFolderOperation(folder);
1075         } else {
1076             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1077         }
1078         cleanSecondFragment();
1079     }
1080
1081
1082     /**
1083      * {@inheritDoc}
1084      *
1085      * Updates action bar and second fragment, if in dual pane mode.
1086      */
1087     @Override
1088     public void onBrowsedDownTo(OCFile directory) {
1089         pushDirname(directory);
1090         cleanSecondFragment();
1091
1092         // Sync Folder
1093         startSyncFolderOperation(directory);
1094
1095     }
1096
1097     /**
1098      * Shows the information of the {@link OCFile} received as a
1099      * parameter in the second fragment.
1100      *
1101      * @param file          {@link OCFile} whose details will be shown
1102      */
1103     @Override
1104     public void showDetails(OCFile file) {
1105         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1106         setSecondFragment(detailFragment);
1107         updateFragmentsVisibility(true);
1108         updateNavigationElementsInActionBar(file);
1109         setFile(file);
1110     }
1111
1112
1113     /**
1114      * TODO
1115      */
1116     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1117         ActionBar actionBar = getSupportActionBar();
1118         if (chosenFile == null || mDualPane) {
1119             // only list of files - set for browsing through folders
1120             OCFile currentDir = getCurrentDir();
1121             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1122             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1123             actionBar.setDisplayShowTitleEnabled(!noRoot);
1124             if (!noRoot) {
1125                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1126             }
1127             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1128             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1129
1130         } else {
1131             actionBar.setDisplayHomeAsUpEnabled(true);
1132             actionBar.setDisplayShowTitleEnabled(true);
1133             actionBar.setTitle(chosenFile.getFileName());
1134             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1135         }
1136     }
1137
1138
1139     @Override
1140     protected ServiceConnection newTransferenceServiceConnection() {
1141         return new ListServiceConnection();
1142     }
1143
1144     /** Defines callbacks for service binding, passed to bindService() */
1145     private class ListServiceConnection implements ServiceConnection {
1146
1147         @Override
1148         public void onServiceConnected(ComponentName component, IBinder service) {
1149             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1150                 Log_OC.d(TAG, "Download service connected");
1151                 mDownloaderBinder = (FileDownloaderBinder) service;
1152                 if (mWaitingToPreview != null)
1153                     if (getStorageManager() != null) {
1154                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1155                         if (!mWaitingToPreview.isDown()) {
1156                             requestForDownload();
1157                         }
1158                 }
1159
1160             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1161                 Log_OC.d(TAG, "Upload service connected");
1162                 mUploaderBinder = (FileUploaderBinder) service;
1163             } else {
1164                 return;
1165             }
1166             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1167             OCFileListFragment listOfFiles = getListOfFilesFragment();
1168             if (listOfFiles != null) {
1169                 listOfFiles.listDirectory();
1170             }
1171             FileFragment secondFragment = getSecondFragment();
1172             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1173                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1174                 detailFragment.listenForTransferProgress();
1175                 detailFragment.updateFileDetails(false, false);
1176             }
1177         }
1178
1179         @Override
1180         public void onServiceDisconnected(ComponentName component) {
1181             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1182                 Log_OC.d(TAG, "Download service disconnected");
1183                 mDownloaderBinder = null;
1184             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1185                 Log_OC.d(TAG, "Upload service disconnected");
1186                 mUploaderBinder = null;
1187             }
1188         }
1189     };
1190
1191
1192
1193     /**
1194      * Launch an intent to request the PIN code to the user before letting him use the app
1195      */
1196     private void requestPinCode() {
1197         boolean pinStart = false;
1198         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1199         pinStart = appPrefs.getBoolean("set_pincode", false);
1200         if (pinStart) {
1201             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1202             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1203             startActivity(i);
1204         }
1205     }
1206
1207
1208     @Override
1209     public void onSavedCertificate() {
1210         startSyncFolderOperation(getCurrentDir());
1211     }
1212
1213
1214     @Override
1215     public void onFailedSavingCertificate() {
1216         showDialog(DIALOG_CERT_NOT_SAVED);
1217     }
1218
1219     @Override
1220     public void onCancelCertificate() {
1221         // nothing to do
1222     }
1223
1224     /**
1225      * Updates the view associated to the activity after the finish of some operation over files
1226      * in the current account.
1227      *
1228      * @param operation     Removal operation performed.
1229      * @param result        Result of the removal.
1230      */
1231     @Override
1232     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1233         super.onRemoteOperationFinish(operation, result);
1234
1235         if (operation instanceof RemoveFileOperation) {
1236             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1237
1238         } else if (operation instanceof RenameFileOperation) {
1239             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1240
1241         } else if (operation instanceof SynchronizeFileOperation) {
1242             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1243
1244         } else if (operation instanceof CreateFolderOperation) {
1245             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1246
1247         } else if (operation instanceof CreateShareOperation) {
1248             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1249
1250         } else if (operation instanceof UnshareLinkOperation) {
1251             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1252
1253         }
1254
1255     }
1256
1257
1258     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1259         if (result.isSuccess()) {
1260             refreshShowDetails();
1261             refreshListOfFilesFragment();
1262         }
1263     }
1264
1265
1266     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1267         if (result.isSuccess()) {
1268             refreshShowDetails();
1269             refreshListOfFilesFragment();
1270
1271         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1272             cleanSecondFragment();
1273             refreshListOfFilesFragment();
1274         }
1275     }
1276
1277     private void refreshShowDetails() {
1278         FileFragment details = getSecondFragment();
1279         if (details != null) {
1280             OCFile file = details.getFile();
1281             if (file != null) {
1282                 file = getStorageManager().getFileByPath(file.getRemotePath());
1283                 if (details instanceof PreviewMediaFragment) {
1284                     // Refresh  OCFile of the fragment
1285                     ((PreviewMediaFragment) details).updateFile(file);
1286                 } else {
1287                     showDetails(file);
1288                 }
1289             }
1290             invalidateOptionsMenu();
1291         }
1292     }
1293
1294     /**
1295      * Updates the view associated to the activity after the finish of an operation trying to remove a
1296      * file.
1297      *
1298      * @param operation     Removal operation performed.
1299      * @param result        Result of the removal.
1300      */
1301     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1302         dismissLoadingDialog();
1303
1304         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1305                 Toast.LENGTH_LONG);
1306         msg.show();
1307
1308         if (result.isSuccess()) {
1309             OCFile removedFile = operation.getFile();
1310             FileFragment second = getSecondFragment();
1311             if (second != null && removedFile.equals(second.getFile())) {
1312                 if (second instanceof PreviewMediaFragment) {
1313                     ((PreviewMediaFragment)second).stopPreview(true);
1314                 }
1315                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1316                 cleanSecondFragment();
1317             }
1318             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1319                 refreshListOfFilesFragment();
1320             }
1321             invalidateOptionsMenu();
1322         } else {
1323             if (result.isSslRecoverableException()) {
1324                 mLastSslUntrustedServerResult = result;
1325                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1326             }
1327         }
1328     }
1329
1330
1331     /**
1332      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1333      *
1334      * @param operation     Creation operation performed.
1335      * @param result        Result of the creation.
1336      */
1337     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1338         if (result.isSuccess()) {
1339             dismissLoadingDialog();
1340             refreshListOfFilesFragment();
1341         } else {
1342             dismissLoadingDialog();
1343             try {
1344                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1345                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1346                         Toast.LENGTH_LONG);
1347                 msg.show();
1348
1349             } catch (NotFoundException e) {
1350                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1351             }
1352         }
1353     }
1354
1355
1356     /**
1357      * Updates the view associated to the activity after the finish of an operation trying to rename a
1358      * file.
1359      *
1360      * @param operation     Renaming operation performed.
1361      * @param result        Result of the renaming.
1362      */
1363     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1364         dismissLoadingDialog();
1365         OCFile renamedFile = operation.getFile();
1366         if (result.isSuccess()) {
1367             FileFragment details = getSecondFragment();
1368             if (details != null) {
1369                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1370                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1371                     showDetails(renamedFile);
1372
1373                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1374                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1375                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1376                         int position = ((PreviewMediaFragment)details).getPosition();
1377                         startMediaPreview(renamedFile, position, true);
1378                     } else {
1379                         getFileOperationsHelper().openFile(renamedFile);
1380                     }
1381                 }
1382             }
1383
1384             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1385                 refreshListOfFilesFragment();
1386             }
1387
1388         } else {
1389             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1390                     Toast.LENGTH_LONG);
1391             msg.show();
1392
1393             if (result.isSslRecoverableException()) {
1394                 mLastSslUntrustedServerResult = result;
1395                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1396             }
1397         }
1398     }
1399
1400     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1401         dismissLoadingDialog();
1402         OCFile syncedFile = operation.getLocalFile();
1403         if (!result.isSuccess()) {
1404             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1405                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1406                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1407                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1408                 startActivity(i);
1409
1410             }
1411
1412         } else {
1413             if (operation.transferWasRequested()) {
1414                 onTransferStateChanged(syncedFile, true, true);
1415
1416             } else {
1417                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1418                         Toast.LENGTH_LONG);
1419                 msg.show();
1420             }
1421         }
1422     }
1423
1424
1425     /**
1426      * {@inheritDoc}
1427      */
1428     @Override
1429     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1430         refreshListOfFilesFragment();
1431         FileFragment details = getSecondFragment();
1432         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1433             if (downloading || uploading) {
1434                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1435             } else {
1436                 if (!file.fileExists()) {
1437                     cleanSecondFragment();
1438                 } else {
1439                     ((FileDetailFragment)details).updateFileDetails(false, true);
1440                 }
1441             }
1442         }
1443
1444     }
1445
1446
1447     private void requestForDownload() {
1448         Account account = getAccount();
1449         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1450             Intent i = new Intent(this, FileDownloader.class);
1451             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1452             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1453             startService(i);
1454         }
1455     }
1456
1457
1458     private OCFile getCurrentDir() {
1459         OCFile file = getFile();
1460         if (file != null) {
1461             if (file.isFolder()) {
1462                 return file;
1463             } else if (getStorageManager() != null) {
1464                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1465                 return getStorageManager().getFileByPath(parentPath);
1466             }
1467         }
1468         return null;
1469     }
1470
1471     public void startSyncFolderOperation(OCFile folder) {
1472         long currentSyncTime = System.currentTimeMillis();
1473
1474         mSyncInProgress = true;
1475
1476         // perform folder synchronization
1477         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1478                                                                         currentSyncTime,
1479                                                                         false,
1480                                                                         getFileOperationsHelper().isSharedSupported(),
1481                                                                         getStorageManager(),
1482                                                                         getAccount(),
1483                                                                         getApplicationContext()
1484                                                                       );
1485         synchFolderOp.execute(getAccount(), this, null, null, this);
1486
1487         setSupportProgressBarIndeterminateVisibility(true);
1488     }
1489
1490     /**
1491      * Show untrusted cert dialog
1492      */
1493     public void showUntrustedCertDialog(RemoteOperationResult result) {
1494         // Show a dialog with the certificate info
1495         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1496         FragmentManager fm = getSupportFragmentManager();
1497         FragmentTransaction ft = fm.beginTransaction();
1498         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1499     }
1500
1501     private void requestForDownload(OCFile file) {
1502         Account account = getAccount();
1503         if (!mDownloaderBinder.isDownloading(account, file)) {
1504             Intent i = new Intent(this, FileDownloader.class);
1505             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1506             i.putExtra(FileDownloader.EXTRA_FILE, file);
1507             startService(i);
1508         }
1509     }
1510
1511     private void sendDownloadedFile(){
1512         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1513         mWaitingToSend = null;
1514     }
1515
1516
1517     /**
1518      * Requests the download of the received {@link OCFile} , updates the UI
1519      * to monitor the download progress and prepares the activity to send the file
1520      * when the download finishes.
1521      *
1522      * @param file          {@link OCFile} to download and preview.
1523      */
1524     public void startDownloadForSending(OCFile file) {
1525         mWaitingToSend = file;
1526         requestForDownload(mWaitingToSend);
1527         boolean hasSecondFragment = (getSecondFragment()!= null);
1528         updateFragmentsVisibility(hasSecondFragment);
1529     }
1530
1531     /**
1532      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1533      *
1534      * @param file                      Image {@link OCFile} to show.
1535      */
1536     public void startImagePreview(OCFile file) {
1537         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1538         showDetailsIntent.putExtra(EXTRA_FILE, file);
1539         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1540         startActivity(showDetailsIntent);
1541
1542     }
1543
1544     /**
1545      * Stars the preview of an already down media {@link OCFile}.
1546      *
1547      * @param file                      Media {@link OCFile} to preview.
1548      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1549      * @param autoplay                  When 'true', the playback will start without user interactions.
1550      */
1551     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1552         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1553         setSecondFragment(mediaFragment);
1554         updateFragmentsVisibility(true);
1555         updateNavigationElementsInActionBar(file);
1556         setFile(file);
1557     }
1558
1559     /**
1560      * Requests the download of the received {@link OCFile} , updates the UI
1561      * to monitor the download progress and prepares the activity to preview
1562      * or open the file when the download finishes.
1563      *
1564      * @param file          {@link OCFile} to download and preview.
1565      */
1566     public void startDownloadForPreview(OCFile file) {
1567         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1568         setSecondFragment(detailFragment);
1569         mWaitingToPreview = file;
1570         requestForDownload();
1571         updateFragmentsVisibility(true);
1572         updateNavigationElementsInActionBar(file);
1573         setFile(file);
1574     }
1575
1576
1577     public void cancelTransference(OCFile file) {
1578         getFileOperationsHelper().cancelTransference(file);
1579         if (mWaitingToPreview != null &&
1580                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1581             mWaitingToPreview = null;
1582         }
1583         if (mWaitingToSend != null &&
1584                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1585             mWaitingToSend = null;
1586         }
1587         onTransferStateChanged(file, false, false);
1588     }
1589
1590 }