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 import java.io.IOException;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.app.AlertDialog;
  29 import android.app.Dialog;
  30 import android.app.ProgressDialog;
  31 import android.content.BroadcastReceiver;
  32 import android.content.ComponentName;
  33 import android.content.ContentResolver;
  34 import android.content.Context;
  35 import android.content.DialogInterface;
  36 import android.content.Intent;
  37 import android.content.IntentFilter;
  38 import android.content.ServiceConnection;
  39 import android.content.SharedPreferences;
  40 import android.content.SyncRequest;
  41 import android.content.res.Resources.NotFoundException;
  42 import android.database.Cursor;
  43 import android.net.Uri;
  44 import android.os.Bundle;
  45 import android.os.IBinder;
  46 import android.preference.PreferenceManager;
  47 import android.provider.MediaStore;
  48 import android.support.v4.app.Fragment;
  49 import android.support.v4.app.FragmentManager;
  50 import android.support.v4.app.FragmentTransaction;
  51 import android.util.Log;
  52 import android.view.View;
  53 import android.view.ViewGroup;
  54 import android.widget.ArrayAdapter;
  55 import android.widget.TextView;
  56 import android.widget.Toast;
  57
  58 import com.actionbarsherlock.app.ActionBar;
  59 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  60 import com.actionbarsherlock.view.Menu;
  61 import com.actionbarsherlock.view.MenuInflater;
  62 import com.actionbarsherlock.view.MenuItem;
  63 import com.actionbarsherlock.view.Window;
  64 import com.owncloud.android.MainApp;
  65 import com.owncloud.android.R;
  66 import com.owncloud.android.datamodel.OCFile;
  67 import com.owncloud.android.files.services.FileDownloader;
  68 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  69 import com.owncloud.android.files.services.FileUploader;
  70 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  71 import com.owncloud.android.lib.common.OwnCloudAccount;
  72 import com.owncloud.android.lib.common.OwnCloudClient;
  73 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  74 import com.owncloud.android.lib.common.OwnCloudCredentials;
  75 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  76 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  77 import com.owncloud.android.lib.common.operations.RemoteOperation;
  78 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  79 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  80 import com.owncloud.android.operations.CreateFolderOperation;
  81 import com.owncloud.android.operations.CreateShareOperation;
  82 import com.owncloud.android.operations.MoveFileOperation;
  83 import com.owncloud.android.operations.RemoveFileOperation;
  84 import com.owncloud.android.operations.RenameFileOperation;
  85 import com.owncloud.android.operations.SynchronizeFileOperation;
  86 import com.owncloud.android.operations.SynchronizeFolderOperation;
  87 import com.owncloud.android.operations.UnshareLinkOperation;
  88 import com.owncloud.android.services.observer.FileObserverService;
  89 import com.owncloud.android.syncadapter.FileSyncAdapter;
  90 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  91 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  92 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  93 import com.owncloud.android.ui.fragment.FileDetailFragment;
  94 import com.owncloud.android.ui.fragment.FileFragment;
  95 import com.owncloud.android.ui.fragment.OCFileListFragment;
  96 import com.owncloud.android.ui.preview.PreviewImageActivity;
  97 import com.owncloud.android.ui.preview.PreviewImageFragment;
  98 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  99 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 100 import com.owncloud.android.utils.DisplayUtils;
 101 import com.owncloud.android.utils.ErrorMessageAdapter;
 102 import com.owncloud.android.utils.Log_OC;
 103
 104
 105 /**
 106  * Displays, what files the user has available in his ownCloud.
 107  *
 108  * @author Bartek Przybylski
 109  * @author David A. Velasco
 110  */
 111
 112 public class FileDisplayActivity extends HookActivity implements
 113 FileFragment.ContainerActivity, OnNavigationListener,
 114 OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 115
 116     private ArrayAdapter<String> mDirectories;
 117
 118     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 119     private UploadFinishReceiver mUploadFinishReceiver;
 120     private DownloadFinishReceiver mDownloadFinishReceiver;
 121     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 122
 123     private boolean mDualPane;
 124     private View mLeftFragmentContainer;
 125     private View mRightFragmentContainer;
 126
 127     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 128     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 129     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 130
 131     public static final int DIALOG_SHORT_WAIT = 0;
 132     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 133     private static final int DIALOG_CERT_NOT_SAVED = 2;
 134
 135     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 136
 137     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 138     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 139     public static final int ACTION_MOVE_FILES = 3;
 140
 141     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 142
 143     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 144     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 145
 146     private OCFile mWaitingToPreview;
 147
 148     private boolean mSyncInProgress = false;
 149
 150     private String DIALOG_UNTRUSTED_CERT;
 151
 152     private OCFile mWaitingToSend;
 153
 154     @Override
 155     protected void onCreate(Bundle savedInstanceState) {
 156         Log_OC.d(TAG, "onCreate() start");
 157         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 158
 159         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 160
 161         // PIN CODE request ;  best location is to decide, let's try this first
 162         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 163             requestPinCode();
 164         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 165             requestPinCode();
 166         }
 167
 168         /// grant that FileObserverService is watching favourite files
 169         if (savedInstanceState == null) {
 170             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 171             startService(initObserversIntent);
 172         }
 173
 174         /// Load of saved instance state
 175         if(savedInstanceState != null) {
 176             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 177             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 178             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 179
 180         } else {
 181             mWaitingToPreview = null;
 182             mSyncInProgress = false;
 183             mWaitingToSend = null;
 184         }
 185
 186         /// USER INTERFACE
 187
 188         // Inflate and set the layout view
 189         setContentView(R.layout.files);
 190         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 191         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 192         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 193         if (savedInstanceState == null) {
 194             createMinFragments();
 195         }
 196
 197         // Action bar setup
 198         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 199         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 200         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 201
 202         setBackgroundText();
 203
 204         Log_OC.d(TAG, "onCreate() end");
 205     }
 206
 207     @Override
 208     protected void onStart() {
 209         super.onStart();
 210         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 211     }
 212
 213     @Override
 214     protected void onDestroy() {
 215         super.onDestroy();
 216     }
 217
 218     /**
 219      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 220      */
 221     @Override
 222     protected void onAccountSet(boolean stateWasRecovered) {
 223         super.onAccountSet(stateWasRecovered);
 224         if (getAccount() != null) {
 225             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 226             OCFile file = getFile();
 227             // get parent from path
 228             String parentPath = "";
 229             if (file != null) {
 230                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 231                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 232                     // get parent from path
 233                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 234                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 235                         file = null; // not able to know the directory where the file is uploading
 236                 } else {
 237                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 238                 }
 239             }
 240             if (file == null) {
 241                 // fall back to root folder
 242                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 243             }
 244             setFile(file);
 245             setNavigationListWithFolder(file);
 246
 247             if (!stateWasRecovered) {
 248                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 249                 initFragmentsWithFile();
 250                 if (file.isFolder()) {
 251                     startSyncFolderOperation(file, false);
 252                 }
 253
 254             } else {
 255                 updateFragmentsVisibility(!file.isFolder());
 256                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 257             }
 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             // get parent from path
 271             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 272             fileIt = getStorageManager().getFileByPath(parentPath);
 273         }
 274         mDirectories.add(OCFile.PATH_SEPARATOR);
 275     }
 276
 277
 278     private void createMinFragments() {
 279         OCFileListFragment listOfFiles = new OCFileListFragment();
 280         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 281         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 282         transaction.commit();
 283     }
 284
 285     private void initFragmentsWithFile() {
 286         if (getAccount() != null && getFile() != null) {
 287             /// First fragment
 288             OCFileListFragment listOfFiles = getListOfFilesFragment();
 289             if (listOfFiles != null) {
 290                 listOfFiles.listDirectory(getCurrentDir());
 291             } else {
 292                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 293             }
 294
 295             /// Second fragment
 296             OCFile file = getFile();
 297             Fragment secondFragment = chooseInitialSecondFragment(file);
 298             if (secondFragment != null) {
 299                 setSecondFragment(secondFragment);
 300                 updateFragmentsVisibility(true);
 301                 updateNavigationElementsInActionBar(file);
 302
 303             } else {
 304                 cleanSecondFragment();
 305             }
 306
 307         } else {
 308             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 309             if (getAccount() == null) {
 310                 Log.wtf(TAG, "\t account is NULL");
 311             }
 312             if (getFile() == null) {
 313                 Log.wtf(TAG, "\t file is NULL");
 314             }
 315         }
 316     }
 317
 318     private Fragment chooseInitialSecondFragment(OCFile file) {
 319         Fragment secondFragment = null;
 320         if (file != null && !file.isFolder()) {
 321             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 322                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 323                     ) {
 324                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 325                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 326                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 327
 328             } else {
 329                 secondFragment = new FileDetailFragment(file, getAccount());
 330             }
 331         }
 332         return secondFragment;
 333     }
 334
 335
 336     /**
 337      * Replaces the second fragment managed by the activity with the received as
 338      * a parameter.
 339      *
 340      * Assumes never will be more than two fragments managed at the same time.
 341      *
 342      * @param fragment      New second Fragment to set.
 343      */
 344     private void setSecondFragment(Fragment fragment) {
 345         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 346         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 347         transaction.commit();
 348     }
 349
 350
 351     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 352         if (mDualPane) {
 353             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 354                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 355             }
 356             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 357                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 358             }
 359
 360         } else if (existsSecondFragment) {
 361             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 362                 mLeftFragmentContainer.setVisibility(View.GONE);
 363             }
 364             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 365                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 366             }
 367
 368         } else {
 369             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 370                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 371             }
 372             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 373                 mRightFragmentContainer.setVisibility(View.GONE);
 374             }
 375         }
 376     }
 377
 378
 379     private OCFileListFragment getListOfFilesFragment() {
 380         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 381         if (listOfFiles != null) {
 382             return (OCFileListFragment)listOfFiles;
 383         }
 384         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 385         return null;
 386     }
 387
 388     public FileFragment getSecondFragment() {
 389         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 390         if (second != null) {
 391             return (FileFragment)second;
 392         }
 393         return null;
 394     }
 395
 396     protected void cleanSecondFragment() {
 397         Fragment second = getSecondFragment();
 398         if (second != null) {
 399             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 400             tr.remove(second);
 401             tr.commit();
 402         }
 403         updateFragmentsVisibility(false);
 404         updateNavigationElementsInActionBar(null);
 405     }
 406
 407     protected void refreshListOfFilesFragment() {
 408         OCFileListFragment fileListFragment = getListOfFilesFragment();
 409         if (fileListFragment != null) {
 410             fileListFragment.listDirectory();
 411         }
 412     }
 413
 414     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 415         FileFragment secondFragment = getSecondFragment();
 416         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 417         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 418             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 419             OCFile fileInFragment = detailsFragment.getFile();
 420             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 421                 // the user browsed to other file ; forget the automatic preview
 422                 mWaitingToPreview = null;
 423
 424             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 425                 // grant that the right panel updates the progress bar
 426                 detailsFragment.listenForTransferProgress();
 427                 detailsFragment.updateFileDetails(true, false);
 428
 429             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 430                 //  update the right panel
 431                 boolean detailsFragmentChanged = false;
 432                 if (waitedPreview) {
 433                     if (success) {
 434                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 435                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 436                             startMediaPreview(mWaitingToPreview, 0, true);
 437                             detailsFragmentChanged = true;
 438                         } else {
 439                             getFileOperationsHelper().openFile(mWaitingToPreview);
 440                         }
 441                     }
 442                     mWaitingToPreview = null;
 443                 }
 444                 if (!detailsFragmentChanged) {
 445                     detailsFragment.updateFileDetails(false, (success));
 446                 }
 447             }
 448         }
 449     }
 450
 451     @Override
 452     public boolean onCreateOptionsMenu(Menu menu) {
 453         MenuInflater inflater = getSherlock().getMenuInflater();
 454         inflater.inflate(R.menu.main_menu, menu);
 455         return true;
 456     }
 457
 458     @Override
 459     public boolean onOptionsItemSelected(MenuItem item) {
 460         boolean retval = true;
 461         switch (item.getItemId()) {
 462         case R.id.action_create_dir: {
 463             CreateFolderDialogFragment dialog =
 464                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 465             dialog.show(getSupportFragmentManager(), "createdirdialog");
 466             break;
 467         }
 468         case R.id.action_sync_account: {
 469             startSynchronization();
 470             break;
 471         }
 472         case R.id.action_upload: {
 473             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 474             break;
 475         }
 476         case R.id.action_settings: {
 477             Intent settingsIntent = new Intent(this, Preferences.class);
 478             startActivity(settingsIntent);
 479             break;
 480         }
 481         case android.R.id.home: {
 482             FileFragment second = getSecondFragment();
 483             OCFile currentDir = getCurrentDir();
 484             if((currentDir != null && currentDir.getParentId() != 0) ||
 485                     (second != null && second.getFile() != null)) {
 486                 onBackPressed();
 487
 488             }
 489             break;
 490         }
 491         default:
 492             retval = super.onOptionsItemSelected(item);
 493         }
 494         return retval;
 495     }
 496
 497     private void startSynchronization() {
 498         Log_OC.e(TAG, "Got to start sync");
 499         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 500             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 501             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 502             Bundle bundle = new Bundle();
 503             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 504             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 505             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 506             ContentResolver.requestSync(
 507                     getAccount(),
 508                     MainApp.getAuthority(), bundle);
 509         } else {
 510             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 511             SyncRequest.Builder builder = new SyncRequest.Builder();
 512             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 513             builder.setExpedited(true);
 514             builder.setManual(true);
 515             builder.syncOnce();
 516             SyncRequest request = builder.build();
 517             ContentResolver.requestSync(request);
 518         }
 519     }
 520
 521
 522     @Override
 523     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 524         if (itemPosition != 0) {
 525             String targetPath = "";
 526             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 527                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 528             }
 529             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 530             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 531             if (targetFolder != null) {
 532                 browseTo(targetFolder);
 533             }
 534
 535             // the next operation triggers a new call to this method, but it's necessary to
 536             // ensure that the name exposed in the action bar is the current directory when the
 537             // user selected it in the navigation list
 538             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 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         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 557                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)){
 558
 559             final Intent fData = data;
 560             final int fResultCode = resultCode;
 561             getHandler().postDelayed(
 562                 new Runnable() {
 563                     @Override
 564                     public void run() {
 565                         requestMoveOperation(fData, fResultCode);
 566                     }
 567                 },
 568                 DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 569             );
 570         }
 571     }
 572
 573     private void requestMultipleUpload(Intent data, int resultCode) {
 574         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 575         if (filePaths != null) {
 576             String[] remotePaths = new String[filePaths.length];
 577             String remotePathBase = "";
 578             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 579                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 580             }
 581             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 582                 remotePathBase += OCFile.PATH_SEPARATOR;
 583             for (int j = 0; j< remotePaths.length; j++) {
 584                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 585             }
 586
 587             Intent i = new Intent(this, FileUploader.class);
 588             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 589             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 590             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 591             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 592             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 593                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 594             startService(i);
 595
 596         } else {
 597             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 598             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 599             t.show();
 600             return;
 601         }
 602     }
 603
 604
 605     private void requestSimpleUpload(Intent data, int resultCode) {
 606         String filepath = null;
 607         try {
 608             Uri selectedImageUri = data.getData();
 609
 610             String filemanagerstring = selectedImageUri.getPath();
 611             String selectedImagePath = getPath(selectedImageUri);
 612
 613             if (selectedImagePath != null)
 614                 filepath = selectedImagePath;
 615             else
 616                 filepath = filemanagerstring;
 617
 618         } catch (Exception e) {
 619             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 620             e.printStackTrace();
 621
 622         } finally {
 623             if (filepath == null) {
 624                 Log_OC.e(TAG, "Couldnt resolve path to file");
 625                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 626                 t.show();
 627                 return;
 628             }
 629         }
 630
 631         Intent i = new Intent(this, FileUploader.class);
 632         i.putExtra(FileUploader.KEY_ACCOUNT,
 633                 getAccount());
 634         String remotepath = new String();
 635         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 636             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 637         }
 638         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 639             remotepath += OCFile.PATH_SEPARATOR;
 640         remotepath += new File(filepath).getName();
 641
 642         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 643         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 644         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 645         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 646             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 647         startService(i);
 648     }
 649
 650     /**
 651      * Request the operation for moving the file/folder from one path to another
 652      *
 653      * @param data              Intent received
 654      * @param resultCode        Result code received
 655      */
 656     private void requestMoveOperation(Intent data, int resultCode) {
 657         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 658         OCFile targetFile = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_TARGET_FILE);
 659         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 660     }
 661
 662     @Override
 663     public void onBackPressed() {
 664         OCFileListFragment listOfFiles = getListOfFilesFragment();
 665         if (mDualPane || getSecondFragment() == null) {
 666             if (listOfFiles != null) {  // should never be null, indeed
 667                 if (mDirectories.getCount() <= 1) {
 668                     finish();
 669                     return;
 670                 }
 671                 int levelsUp = listOfFiles.onBrowseUp();
 672                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 673                     popDirname();
 674                 }
 675             }
 676         }
 677         if (listOfFiles != null) {  // should never be null, indeed
 678             setFile(listOfFiles.getCurrentFile());
 679         }
 680         cleanSecondFragment();
 681
 682     }
 683
 684     @Override
 685     protected void onSaveInstanceState(Bundle outState) {
 686         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 687         Log_OC.e(TAG, "onSaveInstanceState() start");
 688         super.onSaveInstanceState(outState);
 689         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 690         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 691         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 692         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 693
 694         Log_OC.d(TAG, "onSaveInstanceState() end");
 695     }
 696
 697
 698
 699     @Override
 700     protected void onResume() {
 701         super.onResume();
 702         Log_OC.e(TAG, "onResume() start");
 703
 704         // refresh list of files
 705         refreshListOfFilesFragment();
 706
 707         // Listen for sync messages
 708         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 709         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 710         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 711         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 712         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 713         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 714         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 715         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 716
 717         // Listen for upload messages
 718         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 719         mUploadFinishReceiver = new UploadFinishReceiver();
 720         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 721
 722         // Listen for download messages
 723         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 724         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 725         mDownloadFinishReceiver = new DownloadFinishReceiver();
 726         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 727
 728         Log_OC.d(TAG, "onResume() end");
 729     }
 730
 731
 732     @Override
 733     protected void onPause() {
 734         Log_OC.e(TAG, "onPause() start");
 735         if (mSyncBroadcastReceiver != null) {
 736             unregisterReceiver(mSyncBroadcastReceiver);
 737             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 738             mSyncBroadcastReceiver = null;
 739         }
 740         if (mUploadFinishReceiver != null) {
 741             unregisterReceiver(mUploadFinishReceiver);
 742             mUploadFinishReceiver = null;
 743         }
 744         if (mDownloadFinishReceiver != null) {
 745             unregisterReceiver(mDownloadFinishReceiver);
 746             mDownloadFinishReceiver = null;
 747         }
 748
 749
 750         Log_OC.d(TAG, "onPause() end");
 751         super.onPause();
 752     }
 753
 754
 755     @Override
 756     protected Dialog onCreateDialog(int id) {
 757         Dialog dialog = null;
 758         AlertDialog.Builder builder;
 759         switch (id) {
 760         case DIALOG_SHORT_WAIT: {
 761             ProgressDialog working_dialog = new ProgressDialog(this);
 762             working_dialog.setMessage(getResources().getString(
 763                     R.string.wait_a_moment));
 764             working_dialog.setIndeterminate(true);
 765             working_dialog.setCancelable(false);
 766             dialog = working_dialog;
 767             break;
 768         }
 769         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 770
 771
 772             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 773                     getString(R.string.actionbar_upload_from_apps) };
 774
 775             builder = new AlertDialog.Builder(this);
 776             builder.setTitle(R.string.actionbar_upload);
 777             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 778                 public void onClick(DialogInterface dialog, int item) {
 779                     if (item == 0) {
 780                         // if (!mDualPane) {
 781                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 782                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 783                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 784                             // } else {
 785                             // TODO create and handle new fragment
 786                             // LocalFileListFragment
 787                             // }
 788                     } else if (item == 1) {
 789                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 790                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 791                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 792                                 ACTION_SELECT_CONTENT_FROM_APPS);
 793                     }
 794                 }
 795             });
 796             dialog = builder.create();
 797             break;
 798         }
 799         case DIALOG_CERT_NOT_SAVED: {
 800             builder = new AlertDialog.Builder(this);
 801             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 802             builder.setCancelable(false);
 803             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 804                 @Override
 805                 public void onClick(DialogInterface dialog, int which) {
 806                     dialog.dismiss();
 807                 };
 808             });
 809             dialog = builder.create();
 810             break;
 811         }
 812         default:
 813             dialog = null;
 814         }
 815
 816         return dialog;
 817     }
 818
 819
 820     /**
 821      * Translates a content URI of an image to a physical path
 822      * on the disk
 823      * @param uri The URI to resolve
 824      * @return The path to the image or null if it could not be found
 825      */
 826     public String getPath(Uri uri) {
 827         String[] projection = { MediaStore.Images.Media.DATA };
 828         Cursor cursor = managedQuery(uri, projection, null, null, null);
 829         if (cursor != null) {
 830             int column_index = cursor
 831                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 832             cursor.moveToFirst();
 833             return cursor.getString(column_index);
 834         }
 835         return null;
 836     }
 837
 838     /**
 839      * Pushes a directory to the drop down list
 840      * @param directory to push
 841      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 842      */
 843     public void pushDirname(OCFile directory) {
 844         if(!directory.isFolder()){
 845             throw new IllegalArgumentException("Only directories may be pushed!");
 846         }
 847         mDirectories.insert(directory.getFileName(), 0);
 848         setFile(directory);
 849     }
 850
 851     /**
 852      * Pops a directory name from the drop down list
 853      * @return True, unless the stack is empty
 854      */
 855     public boolean popDirname() {
 856         mDirectories.remove(mDirectories.getItem(0));
 857         return !mDirectories.isEmpty();
 858     }
 859
 860     // Custom array adapter to override text colors
 861     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 862
 863         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 864             super(ctx, view);
 865         }
 866
 867         public View getView(int position, View convertView, ViewGroup parent) {
 868             View v = super.getView(position, convertView, parent);
 869
 870             ((TextView) v).setTextColor(getResources().getColorStateList(
 871                     android.R.color.white));
 872
 873             fixRoot((TextView) v );
 874             return v;
 875         }
 876
 877         public View getDropDownView(int position, View convertView,
 878                 ViewGroup parent) {
 879             View v = super.getDropDownView(position, convertView, parent);
 880
 881             ((TextView) v).setTextColor(getResources().getColorStateList(
 882                     android.R.color.white));
 883
 884             fixRoot((TextView) v );
 885             return v;
 886         }
 887
 888         private void fixRoot(TextView v) {
 889             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 890                 v.setText(R.string.default_display_name_for_root_folder);
 891             }
 892         }
 893
 894     }
 895
 896     private class SyncBroadcastReceiver extends BroadcastReceiver {
 897
 898         /**
 899          * {@link BroadcastReceiver} to enable syncing feedback in UI
 900          */
 901         @Override
 902         public void onReceive(Context context, Intent intent) {
 903             try {
 904                 String event = intent.getAction();
 905                 Log_OC.d(TAG, "Received broadcast " + event);
 906                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 907                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 908                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 909                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 910
 911                 if (sameAccount) {
 912
 913                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 914                         mSyncInProgress = true;
 915
 916                     } else {
 917                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 918                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 919
 920                         if (currentDir == null) {
 921                             // current folder was removed from the server
 922                             Toast.makeText( FileDisplayActivity.this,
 923                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 924                                             Toast.LENGTH_LONG)
 925                                 .show();
 926                             browseToRoot();
 927
 928                         } else {
 929                             if (currentFile == null && !getFile().isFolder()) {
 930                                 // currently selected file was removed in the server, and now we know it
 931                                 cleanSecondFragment();
 932                                 currentFile = currentDir;
 933                             }
 934
 935                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 936                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 937                                 if (fileListFragment != null) {
 938                                     fileListFragment.listDirectory(currentDir);
 939                                 }
 940                             }
 941                             setFile(currentFile);
 942                         }
 943
 944                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 945
 946                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 947                                     equals(event) &&
 948                                 /// TODO refactor and make common
 949                                 synchResult != null && !synchResult.isSuccess() &&
 950                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 951                                     synchResult.isIdPRedirection()                  ||
 952                                     (synchResult.isException() && synchResult.getException()
 953                                             instanceof AuthenticatorException))) {
 954
 955                             OwnCloudClient client = null;
 956                             try {
 957                                 OwnCloudAccount ocAccount =
 958                                         new OwnCloudAccount(getAccount(), context);
 959                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 960                                         removeClientFor(ocAccount));
 961                                 // TODO get rid of these exceptions
 962                             } catch (AccountNotFoundException e) {
 963                                 e.printStackTrace();
 964                             } catch (AuthenticatorException e) {
 965                                 e.printStackTrace();
 966                             } catch (OperationCanceledException e) {
 967                                 e.printStackTrace();
 968                             } catch (IOException e) {
 969                                 e.printStackTrace();
 970                             }
 971
 972                             if (client != null) {
 973                                 OwnCloudCredentials cred = client.getCredentials();
 974                                 if (cred != null) {
 975                                     AccountManager am = AccountManager.get(context);
 976                                     if (cred.authTokenExpires()) {
 977                                         am.invalidateAuthToken(
 978                                                 getAccount().type,
 979                                                 cred.getAuthToken()
 980                                         );
 981                                     } else {
 982                                         am.clearPassword(getAccount());
 983                                     }
 984                                 }
 985                             }
 986
 987                             requestCredentialsUpdate();
 988
 989                         }
 990                     }
 991                     removeStickyBroadcast(intent);
 992                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 993                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 994
 995                     setBackgroundText();
 996
 997                 }
 998
 999                 if (synchResult != null) {
1000                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1001                         mLastSslUntrustedServerResult = synchResult;
1002                     }
1003                 }
1004             } catch (RuntimeException e) {
1005                 // avoid app crashes after changing the serial id of RemoteOperationResult
1006                 // in owncloud library with broadcast notifications pending to process
1007                 removeStickyBroadcast(intent);
1008             }
1009         }
1010     }
1011
1012     /**
1013      * Show a text message on screen view for notifying user if content is
1014      * loading or folder is empty
1015      */
1016     private void setBackgroundText() {
1017         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1018         if (ocFileListFragment != null) {
1019             int message = R.string.file_list_loading;
1020             if (!mSyncInProgress) {
1021                 // In case file list is empty
1022                 message = R.string.file_list_empty;
1023             }
1024             ocFileListFragment.setMessageForEmptyList(getString(message));
1025         } else {
1026             Log.e(TAG, "OCFileListFragment is null");
1027         }
1028     }
1029
1030     /**
1031      * Once the file upload has finished -> update view
1032      */
1033     private class UploadFinishReceiver extends BroadcastReceiver {
1034         /**
1035          * Once the file upload has finished -> update view
1036          *  @author David A. Velasco
1037          * {@link BroadcastReceiver} to enable upload feedback in UI
1038          */
1039         @Override
1040         public void onReceive(Context context, Intent intent) {
1041             try {
1042                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1043                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1044                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1045                 OCFile currentDir = getCurrentDir();
1046                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1047                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1048
1049                 if (sameAccount && isDescendant) {
1050                     refreshListOfFilesFragment();
1051                 }
1052
1053                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1054                 boolean renamedInUpload = getFile().getRemotePath().
1055                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1056                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1057                         renamedInUpload;
1058                 FileFragment details = getSecondFragment();
1059                 boolean detailFragmentIsShown = (details != null &&
1060                         details instanceof FileDetailFragment);
1061
1062                 if (sameAccount && sameFile && detailFragmentIsShown) {
1063                     if (uploadWasFine) {
1064                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1065                     }
1066                     if (renamedInUpload) {
1067                         String newName = (new File(uploadedRemotePath)).getName();
1068                         Toast msg = Toast.makeText(
1069                                 context,
1070                                 String.format(
1071                                         getString(R.string.filedetails_renamed_in_upload_msg),
1072                                         newName),
1073                                 Toast.LENGTH_LONG);
1074                         msg.show();
1075                     }
1076                     if (uploadWasFine || getFile().fileExists()) {
1077                         ((FileDetailFragment)details).updateFileDetails(false, true);
1078                     } else {
1079                         cleanSecondFragment();
1080                     }
1081
1082                     // Force the preview if the file is an image
1083                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1084                         startImagePreview(getFile());
1085                     } // TODO what about other kind of previews?
1086                 }
1087
1088             } finally {
1089                 if (intent != null) {
1090                     removeStickyBroadcast(intent);
1091                 }
1092             }
1093
1094         }
1095
1096     }
1097
1098
1099     /**
1100      * Class waiting for broadcast events from the {@link FielDownloader} service.
1101      *
1102      * Updates the UI when a download is started or finished, provided that it is relevant for the
1103      * current folder.
1104      */
1105     private class DownloadFinishReceiver extends BroadcastReceiver {
1106         @Override
1107         public void onReceive(Context context, Intent intent) {
1108             try {
1109                 boolean sameAccount = isSameAccount(context, intent);
1110                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1111                 boolean isDescendant = isDescendant(downloadedRemotePath);
1112
1113                 if (sameAccount && isDescendant) {
1114                     refreshListOfFilesFragment();
1115                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1116                 }
1117
1118                 if (mWaitingToSend != null) {
1119                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1120                     if (mWaitingToSend.isDown()) {
1121                         sendDownloadedFile();
1122                     }
1123                 }
1124
1125             } finally {
1126                 if (intent != null) {
1127                     removeStickyBroadcast(intent);
1128                 }
1129             }
1130         }
1131
1132         private boolean isDescendant(String downloadedRemotePath) {
1133             OCFile currentDir = getCurrentDir();
1134             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1135         }
1136
1137         private boolean isSameAccount(Context context, Intent intent) {
1138             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1139             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1140         }
1141     }
1142
1143
1144     public void browseToRoot() {
1145         OCFileListFragment listOfFiles = getListOfFilesFragment();
1146         if (listOfFiles != null) {  // should never be null, indeed
1147             while (mDirectories.getCount() > 1) {
1148                 popDirname();
1149             }
1150             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1151             listOfFiles.listDirectory(root);
1152             setFile(listOfFiles.getCurrentFile());
1153             startSyncFolderOperation(root, false);
1154         }
1155         cleanSecondFragment();
1156     }
1157
1158
1159     public void browseTo(OCFile folder) {
1160         if (folder == null || !folder.isFolder()) {
1161             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1162         }
1163         OCFileListFragment listOfFiles = getListOfFilesFragment();
1164         if (listOfFiles != null) {
1165             setNavigationListWithFolder(folder);
1166             listOfFiles.listDirectory(folder);
1167             setFile(listOfFiles.getCurrentFile());
1168             startSyncFolderOperation(folder, false);
1169         } else {
1170             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1171         }
1172         cleanSecondFragment();
1173     }
1174
1175
1176     /**
1177      * {@inheritDoc}
1178      *
1179      * Updates action bar and second fragment, if in dual pane mode.
1180      */
1181     @Override
1182     public void onBrowsedDownTo(OCFile directory) {
1183         pushDirname(directory);
1184         cleanSecondFragment();
1185
1186         // Sync Folder
1187         startSyncFolderOperation(directory, false);
1188
1189     }
1190
1191     /**
1192      * Shows the information of the {@link OCFile} received as a
1193      * parameter in the second fragment.
1194      *
1195      * @param file          {@link OCFile} whose details will be shown
1196      */
1197     @Override
1198     public void showDetails(OCFile file) {
1199         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1200         setSecondFragment(detailFragment);
1201         updateFragmentsVisibility(true);
1202         updateNavigationElementsInActionBar(file);
1203         setFile(file);
1204     }
1205
1206
1207     /**
1208      * TODO
1209      */
1210     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1211         ActionBar actionBar = getSupportActionBar();
1212         if (chosenFile == null || mDualPane) {
1213             // only list of files - set for browsing through folders
1214             OCFile currentDir = getCurrentDir();
1215             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1216             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1217             actionBar.setDisplayShowTitleEnabled(!noRoot);
1218             if (!noRoot) {
1219                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1220             }
1221             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1222             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1223
1224         } else {
1225             actionBar.setDisplayHomeAsUpEnabled(true);
1226             actionBar.setDisplayShowTitleEnabled(true);
1227             actionBar.setTitle(chosenFile.getFileName());
1228             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1229         }
1230     }
1231
1232
1233     @Override
1234     protected ServiceConnection newTransferenceServiceConnection() {
1235         return new ListServiceConnection();
1236     }
1237
1238     /** Defines callbacks for service binding, passed to bindService() */
1239     private class ListServiceConnection implements ServiceConnection {
1240
1241         @Override
1242         public void onServiceConnected(ComponentName component, IBinder service) {
1243             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1244                 Log_OC.d(TAG, "Download service connected");
1245                 mDownloaderBinder = (FileDownloaderBinder) service;
1246                 if (mWaitingToPreview != null)
1247                     if (getStorageManager() != null) {
1248                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1249                         if (!mWaitingToPreview.isDown()) {
1250                             requestForDownload();
1251                         }
1252                 }
1253
1254             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1255                 Log_OC.d(TAG, "Upload service connected");
1256                 mUploaderBinder = (FileUploaderBinder) service;
1257             } else {
1258                 return;
1259             }
1260             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1261             OCFileListFragment listOfFiles = getListOfFilesFragment();
1262             if (listOfFiles != null) {
1263                 listOfFiles.listDirectory();
1264             }
1265             FileFragment secondFragment = getSecondFragment();
1266             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1267                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1268                 detailFragment.listenForTransferProgress();
1269                 detailFragment.updateFileDetails(false, false);
1270             }
1271         }
1272
1273         @Override
1274         public void onServiceDisconnected(ComponentName component) {
1275             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1276                 Log_OC.d(TAG, "Download service disconnected");
1277                 mDownloaderBinder = null;
1278             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1279                 Log_OC.d(TAG, "Upload service disconnected");
1280                 mUploaderBinder = null;
1281             }
1282         }
1283     };
1284
1285
1286
1287     /**
1288      * Launch an intent to request the PIN code to the user before letting him use the app
1289      */
1290     private void requestPinCode() {
1291         boolean pinStart = false;
1292         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1293         pinStart = appPrefs.getBoolean("set_pincode", false);
1294         if (pinStart) {
1295             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1296             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1297             startActivity(i);
1298         }
1299     }
1300
1301
1302     @Override
1303     public void onSavedCertificate() {
1304         startSyncFolderOperation(getCurrentDir(), false);
1305     }
1306
1307
1308     @Override
1309     public void onFailedSavingCertificate() {
1310         showDialog(DIALOG_CERT_NOT_SAVED);
1311     }
1312
1313     @Override
1314     public void onCancelCertificate() {
1315         // nothing to do
1316     }
1317
1318     /**
1319      * Updates the view associated to the activity after the finish of some operation over files
1320      * in the current account.
1321      *
1322      * @param operation     Removal operation performed.
1323      * @param result        Result of the removal.
1324      */
1325     @Override
1326     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1327         super.onRemoteOperationFinish(operation, result);
1328
1329         if (operation instanceof RemoveFileOperation) {
1330             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1331
1332         } else if (operation instanceof RenameFileOperation) {
1333             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1334
1335         } else if (operation instanceof SynchronizeFileOperation) {
1336             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1337
1338         } else if (operation instanceof CreateFolderOperation) {
1339             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1340
1341         } else if (operation instanceof CreateShareOperation) {
1342             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1343
1344         } else if (operation instanceof UnshareLinkOperation) {
1345             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1346
1347         } else if (operation instanceof MoveFileOperation) {
1348             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1349         }
1350
1351     }
1352
1353
1354     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1355         if (result.isSuccess()) {
1356             refreshShowDetails();
1357             refreshListOfFilesFragment();
1358         }
1359     }
1360
1361
1362     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1363         if (result.isSuccess()) {
1364             refreshShowDetails();
1365             refreshListOfFilesFragment();
1366
1367         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1368             cleanSecondFragment();
1369             refreshListOfFilesFragment();
1370         }
1371     }
1372
1373     private void refreshShowDetails() {
1374         FileFragment details = getSecondFragment();
1375         if (details != null) {
1376             OCFile file = details.getFile();
1377             if (file != null) {
1378                 file = getStorageManager().getFileByPath(file.getRemotePath());
1379                 if (details instanceof PreviewMediaFragment) {
1380                     // Refresh  OCFile of the fragment
1381                     ((PreviewMediaFragment) details).updateFile(file);
1382                 } else {
1383                     showDetails(file);
1384                 }
1385             }
1386             invalidateOptionsMenu();
1387         }
1388     }
1389
1390     /**
1391      * Updates the view associated to the activity after the finish of an operation trying to remove a
1392      * file.
1393      *
1394      * @param operation     Removal operation performed.
1395      * @param result        Result of the removal.
1396      */
1397     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1398         dismissLoadingDialog();
1399
1400         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1401                 Toast.LENGTH_LONG);
1402         msg.show();
1403
1404         if (result.isSuccess()) {
1405             OCFile removedFile = operation.getFile();
1406             FileFragment second = getSecondFragment();
1407             if (second != null && removedFile.equals(second.getFile())) {
1408                 if (second instanceof PreviewMediaFragment) {
1409                     ((PreviewMediaFragment)second).stopPreview(true);
1410                 }
1411                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1412                 cleanSecondFragment();
1413             }
1414             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1415                 refreshListOfFilesFragment();
1416             }
1417             invalidateOptionsMenu();
1418         } else {
1419             if (result.isSslRecoverableException()) {
1420                 mLastSslUntrustedServerResult = result;
1421                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1422             }
1423         }
1424     }
1425
1426
1427     /**
1428      * Updates the view associated to the activity after the finish of an operation trying to move a
1429      * file.
1430      *
1431      * @param operation     Move operation performed.
1432      * @param result        Result of the move operation.
1433      */
1434     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1435         if (result.isSuccess()) {
1436             dismissLoadingDialog();
1437             refreshListOfFilesFragment();
1438         } else {
1439             dismissLoadingDialog();
1440             try {
1441                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1442                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1443                         Toast.LENGTH_LONG);
1444                 msg.show();
1445
1446             } catch (NotFoundException e) {
1447                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1448             }
1449         }
1450     }
1451
1452
1453     /**
1454      * Updates the view associated to the activity after the finish of an operation trying to rename a
1455      * file.
1456      *
1457      * @param operation     Renaming operation performed.
1458      * @param result        Result of the renaming.
1459      */
1460     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1461         dismissLoadingDialog();
1462         OCFile renamedFile = operation.getFile();
1463         if (result.isSuccess()) {
1464             FileFragment details = getSecondFragment();
1465             if (details != null) {
1466                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1467                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1468                     showDetails(renamedFile);
1469
1470                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1471                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1472                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1473                         int position = ((PreviewMediaFragment)details).getPosition();
1474                         startMediaPreview(renamedFile, position, true);
1475                     } else {
1476                         getFileOperationsHelper().openFile(renamedFile);
1477                     }
1478                 }
1479             }
1480
1481             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1482                 refreshListOfFilesFragment();
1483             }
1484
1485         } else {
1486             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1487                     Toast.LENGTH_LONG);
1488             msg.show();
1489
1490             if (result.isSslRecoverableException()) {
1491                 mLastSslUntrustedServerResult = result;
1492                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1493             }
1494         }
1495     }
1496
1497     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1498         dismissLoadingDialog();
1499         OCFile syncedFile = operation.getLocalFile();
1500         if (!result.isSuccess()) {
1501             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1502                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1503                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1504                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1505                 startActivity(i);
1506
1507             }
1508
1509         } else {
1510             if (operation.transferWasRequested()) {
1511                 onTransferStateChanged(syncedFile, true, true);
1512
1513             } else {
1514                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1515                         Toast.LENGTH_LONG);
1516                 msg.show();
1517             }
1518         }
1519     }
1520
1521     /**
1522      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1523      *
1524      * @param operation     Creation operation performed.
1525      * @param result        Result of the creation.
1526      */
1527     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1528         if (result.isSuccess()) {
1529             dismissLoadingDialog();
1530             refreshListOfFilesFragment();
1531         } else {
1532             dismissLoadingDialog();
1533             try {
1534                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1535                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1536                         Toast.LENGTH_LONG);
1537                 msg.show();
1538
1539             } catch (NotFoundException e) {
1540                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1541             }
1542         }
1543     }
1544
1545
1546     /**
1547      * {@inheritDoc}
1548      */
1549     @Override
1550     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1551         refreshListOfFilesFragment();
1552         FileFragment details = getSecondFragment();
1553         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1554             if (downloading || uploading) {
1555                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1556             } else {
1557                 if (!file.fileExists()) {
1558                     cleanSecondFragment();
1559                 } else {
1560                     ((FileDetailFragment)details).updateFileDetails(false, true);
1561                 }
1562             }
1563         }
1564
1565     }
1566
1567
1568     private void requestForDownload() {
1569         Account account = getAccount();
1570         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1571             Intent i = new Intent(this, FileDownloader.class);
1572             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1573             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1574             startService(i);
1575         }
1576     }
1577
1578
1579     private OCFile getCurrentDir() {
1580         OCFile file = getFile();
1581         if (file != null) {
1582             if (file.isFolder()) {
1583                 return file;
1584             } else if (getStorageManager() != null) {
1585                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1586                 return getStorageManager().getFileByPath(parentPath);
1587             }
1588         }
1589         return null;
1590     }
1591
1592     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1593         long currentSyncTime = System.currentTimeMillis();
1594
1595         mSyncInProgress = true;
1596
1597         // perform folder synchronization
1598         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1599                                                                         currentSyncTime,
1600                                                                         false,
1601                                                                         getFileOperationsHelper().isSharedSupported(),
1602                                                                         ignoreETag,
1603                                                                         getStorageManager(),
1604                                                                         getAccount(),
1605                                                                         getApplicationContext()
1606                                                                       );
1607         synchFolderOp.execute(getAccount(), this, null, null);
1608
1609         setSupportProgressBarIndeterminateVisibility(true);
1610
1611         setBackgroundText();
1612     }
1613
1614     /**
1615      * Show untrusted cert dialog
1616      */
1617     public void showUntrustedCertDialog(RemoteOperationResult result) {
1618         // Show a dialog with the certificate info
1619         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1620         FragmentManager fm = getSupportFragmentManager();
1621         FragmentTransaction ft = fm.beginTransaction();
1622         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1623     }
1624
1625     private void requestForDownload(OCFile file) {
1626         Account account = getAccount();
1627         if (!mDownloaderBinder.isDownloading(account, file)) {
1628             Intent i = new Intent(this, FileDownloader.class);
1629             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1630             i.putExtra(FileDownloader.EXTRA_FILE, file);
1631             startService(i);
1632         }
1633     }
1634
1635     private void sendDownloadedFile(){
1636         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1637         mWaitingToSend = null;
1638     }
1639
1640
1641     /**
1642      * Requests the download of the received {@link OCFile} , updates the UI
1643      * to monitor the download progress and prepares the activity to send the file
1644      * when the download finishes.
1645      *
1646      * @param file          {@link OCFile} to download and preview.
1647      */
1648     public void startDownloadForSending(OCFile file) {
1649         mWaitingToSend = file;
1650         requestForDownload(mWaitingToSend);
1651         boolean hasSecondFragment = (getSecondFragment()!= null);
1652         updateFragmentsVisibility(hasSecondFragment);
1653     }
1654
1655     /**
1656      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1657      *
1658      * @param file                      Image {@link OCFile} to show.
1659      */
1660     public void startImagePreview(OCFile file) {
1661         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1662         showDetailsIntent.putExtra(EXTRA_FILE, file);
1663         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1664         startActivity(showDetailsIntent);
1665
1666     }
1667
1668     /**
1669      * Stars the preview of an already down media {@link OCFile}.
1670      *
1671      * @param file                      Media {@link OCFile} to preview.
1672      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1673      * @param autoplay                  When 'true', the playback will start without user interactions.
1674      */
1675     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1676         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1677         setSecondFragment(mediaFragment);
1678         updateFragmentsVisibility(true);
1679         updateNavigationElementsInActionBar(file);
1680         setFile(file);
1681     }
1682
1683     /**
1684      * Requests the download of the received {@link OCFile} , updates the UI
1685      * to monitor the download progress and prepares the activity to preview
1686      * or open the file when the download finishes.
1687      *
1688      * @param file          {@link OCFile} to download and preview.
1689      */
1690     public void startDownloadForPreview(OCFile file) {
1691         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1692         setSecondFragment(detailFragment);
1693         mWaitingToPreview = file;
1694         requestForDownload();
1695         updateFragmentsVisibility(true);
1696         updateNavigationElementsInActionBar(file);
1697         setFile(file);
1698     }
1699
1700
1701     public void cancelTransference(OCFile file) {
1702         getFileOperationsHelper().cancelTransference(file);
1703         if (mWaitingToPreview != null &&
1704                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1705             mWaitingToPreview = null;
1706         }
1707         if (mWaitingToSend != null &&
1708                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1709             mWaitingToSend = null;
1710         }
1711         onTransferStateChanged(file, false, false);
1712     }
1713
1714     @Override
1715     public void onRefresh(boolean ignoreETag) {
1716         refreshList(ignoreETag);
1717     }
1718
1719     @Override
1720     public void onRefresh() {
1721         refreshList(true);
1722     }
1723
1724     private void refreshList(boolean ignoreETag) {
1725         OCFileListFragment listOfFiles = getListOfFilesFragment();
1726         if (listOfFiles != null) {
1727             OCFile folder = listOfFiles.getCurrentFile();
1728             if (folder != null) {
1729                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1730                 listDirectory(mFile);*/
1731                 startSyncFolderOperation(folder, ignoreETag);
1732             }
1733         }
1734     }
1735 }