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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2011  Bartek Przybylski
   7  *   Copyright (C) 2015 ownCloud Inc.
   8  *
   9  *   This program is free software: you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License version 2,
  11  *   as published by the Free Software Foundation.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  */
  22
  23 package com.owncloud.android.ui.activity;
  24
  25 import android.accounts.Account;
  26 import android.accounts.AccountManager;
  27 import android.accounts.AuthenticatorException;
  28 import android.annotation.TargetApi;
  29 import android.support.v7.app.AlertDialog;
  30 import android.content.BroadcastReceiver;
  31 import android.content.ComponentName;
  32 import android.content.ContentResolver;
  33 import android.content.Context;
  34 import android.content.DialogInterface;
  35 import android.content.Intent;
  36 import android.content.IntentFilter;
  37 import android.content.ServiceConnection;
  38 import android.content.SharedPreferences;
  39 import android.content.SyncRequest;
  40 import android.content.res.Resources.NotFoundException;
  41 import android.database.Cursor;
  42 import android.net.Uri;
  43 import android.os.Build;
  44 import android.os.Bundle;
  45 import android.os.IBinder;
  46 import android.preference.PreferenceManager;
  47 import android.provider.OpenableColumns;
  48 import android.support.v4.app.Fragment;
  49 import android.support.v4.app.FragmentManager;
  50 import android.support.v4.app.FragmentTransaction;
  51 import android.support.v4.content.ContextCompat;
  52 import android.support.v4.view.GravityCompat;
  53 import android.view.Menu;
  54 import android.view.MenuInflater;
  55 import android.view.MenuItem;
  56 import android.view.View;
  57 import android.widget.ProgressBar;
  58 import android.widget.RelativeLayout;
  59 import android.widget.TextView;
  60 import android.widget.Toast;
  61
  62 import com.owncloud.android.MainApp;
  63 import com.owncloud.android.R;
  64 import com.owncloud.android.datamodel.FileDataStorageManager;
  65 import com.owncloud.android.datamodel.OCFile;
  66 import com.owncloud.android.files.services.FileDownloader;
  67 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  68 import com.owncloud.android.files.services.FileUploader;
  69 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  70 import com.owncloud.android.lib.common.OwnCloudAccount;
  71 import com.owncloud.android.lib.common.OwnCloudClient;
  72 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  73 import com.owncloud.android.lib.common.OwnCloudCredentials;
  74 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  75 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  76 import com.owncloud.android.lib.common.operations.RemoteOperation;
  77 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  78 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  79 import com.owncloud.android.lib.common.utils.Log_OC;
  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.RefreshFolderOperation;
  84 import com.owncloud.android.operations.RemoveFileOperation;
  85 import com.owncloud.android.operations.RenameFileOperation;
  86 import com.owncloud.android.operations.SynchronizeFileOperation;
  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.ConfirmationDialogFragment;
  91 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  92 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  93 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  94 import com.owncloud.android.ui.dialog.UploadSourceDialogFragment;
  95 import com.owncloud.android.ui.fragment.FileDetailFragment;
  96 import com.owncloud.android.ui.fragment.FileFragment;
  97 import com.owncloud.android.ui.fragment.OCFileListFragment;
  98 import com.owncloud.android.ui.preview.PreviewImageActivity;
  99 import com.owncloud.android.ui.preview.PreviewImageFragment;
 100 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 101 import com.owncloud.android.ui.preview.PreviewTextFragment;
 102 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 103 import com.owncloud.android.utils.DisplayUtils;
 104 import com.owncloud.android.utils.ErrorMessageAdapter;
 105 import com.owncloud.android.utils.FileStorageUtils;
 106 import com.owncloud.android.utils.UriUtils;
 107
 108 import java.io.File;
 109
 110 /**
 111  * Displays, what files the user has available in his ownCloud.
 112  */
 113
 114 public class FileDisplayActivity extends HookActivity
 115         implements FileFragment.ContainerActivity,
 116         OnSslUntrustedCertListener, OnEnforceableRefreshListener {
 117
 118
 119
 120     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 121     private UploadFinishReceiver mUploadFinishReceiver;
 122     private DownloadFinishReceiver mDownloadFinishReceiver;
 123     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 124
 125     private boolean mDualPane;
 126     private View mLeftFragmentContainer;
 127     private View mRightFragmentContainer;
 128     private ProgressBar mProgressBar;
 129
 130     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 131     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 132     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 133
 134     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 135
 136     public static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 137     public static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 138     public static final int ACTION_MOVE_FILES = 3;
 139
 140     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 141
 142     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 143     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 144
 145     private OCFile mWaitingToPreview;
 146
 147     private boolean mSyncInProgress = false;
 148
 149     private static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 150     private static String DIALOG_CREATE_FOLDER = "DIALOG_CREATE_FOLDER";
 151     private static String DIALOG_UPLOAD_SOURCE = "DIALOG_UPLOAD_SOURCE";
 152     private static String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
 153
 154     private OCFile mWaitingToSend;
 155
 156
 157     @Override
 158     protected void onCreate(Bundle savedInstanceState) {
 159         Log_OC.v(TAG, "onCreate() start");
 160
 161         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account
 162                                             // is valid
 163
 164         /// grant that FileObserverService is watching favorite files
 165         if (savedInstanceState == null) {
 166             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 167             startService(initObserversIntent);
 168         }
 169
 170         /// Load of saved instance state
 171         if(savedInstanceState != null) {
 172             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(
 173                     FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 174             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 175             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(
 176                     FileDisplayActivity.KEY_WAITING_TO_SEND);
 177         } else {
 178             mWaitingToPreview = null;
 179             mSyncInProgress = false;
 180             mWaitingToSend = null;
 181         }
 182
 183         /// USER INTERFACE
 184
 185         // Inflate and set the layout view
 186         setContentView(R.layout.files);
 187
 188         // Navigation Drawer
 189         initDrawer();
 190
 191         mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
 192         mProgressBar.setIndeterminateDrawable(
 193                 ContextCompat.getDrawable(this,
 194                         R.drawable.actionbar_progress_indeterminate_horizontal));
 195
 196         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 197         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 198         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 199         if (savedInstanceState == null) {
 200             createMinFragments();
 201         }
 202
 203         // Action bar setup
 204         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS,
 205                                                                 // according to the official
 206                                                                 // documentation
 207
 208         // enable ActionBar app icon to behave as action to toggle nav drawer
 209         //getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 210         getSupportActionBar().setHomeButtonEnabled(true);
 211
 212         mProgressBar.setIndeterminate(mSyncInProgress);
 213         // always AFTER setContentView(...) ; to work around bug in its implementation
 214
 215         setBackgroundText();
 216
 217         Log_OC.v(TAG, "onCreate() end");
 218     }
 219
 220     @Override
 221     protected void onStart() {
 222         Log_OC.v(TAG, "onStart() start");
 223         super.onStart();
 224         Log_OC.v(TAG, "onStart() end");
 225     }
 226
 227     @Override
 228     protected void onDestroy() {
 229         Log_OC.v(TAG, "onDestroy() start");
 230         super.onDestroy();
 231         Log_OC.v(TAG, "onDestroy() end");
 232     }
 233
 234     /**
 235      * Called when the ownCloud {@link Account} associated to the Activity was just updated.
 236      */
 237     @Override
 238     protected void onAccountSet(boolean stateWasRecovered) {
 239         super.onAccountSet(stateWasRecovered);
 240         if (getAccount() != null) {
 241             /// Check whether the 'main' OCFile handled by the Activity is contained in the
 242             // current Account
 243             OCFile file = getFile();
 244             // get parent from path
 245             String parentPath = "";
 246             if (file != null) {
 247                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 248                     // upload in progress - right now, files are not inserted in the local
 249                     // cache until the upload is successful get parent from path
 250                     parentPath = file.getRemotePath().substring(0,
 251                             file.getRemotePath().lastIndexOf(file.getFileName()));
 252                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 253                         file = null; // not able to know the directory where the file is uploading
 254                 } else {
 255                     file = getStorageManager().getFileByPath(file.getRemotePath());
 256                     // currentDir = null if not in the current Account
 257                 }
 258             }
 259             if (file == null) {
 260                 // fall back to root folder
 261                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 262             }
 263             setFile(file);
 264
 265             if (mAccountWasSet) {
 266                 RelativeLayout navigationDrawerLayout = (RelativeLayout) findViewById(R.id.left_drawer);
 267                 if (navigationDrawerLayout != null && getAccount() != null) {
 268                     TextView username = (TextView) navigationDrawerLayout.findViewById(R.id.drawer_username);
 269                     int lastAtPos = getAccount().name.lastIndexOf("@");
 270                     username.setText(getAccount().name.substring(0, lastAtPos));
 271                 }
 272             }
 273
 274             if (!stateWasRecovered) {
 275                 Log_OC.d(TAG, "Initializing Fragments in onAccountChanged..");
 276                 initFragmentsWithFile();
 277                 if (file.isFolder()) {
 278                     startSyncFolderOperation(file, false);
 279                 }
 280
 281             } else {
 282                 updateFragmentsVisibility(!file.isFolder());
 283                 updateActionBarTitleAndHomeButton(file.isFolder() ? null : file);
 284             }
 285         }
 286     }
 287
 288     private void createMinFragments() {
 289         OCFileListFragment listOfFiles = new OCFileListFragment();
 290         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 291         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 292         transaction.commit();
 293     }
 294
 295     private void initFragmentsWithFile() {
 296         if (getAccount() != null && getFile() != null) {
 297             /// First fragment
 298             OCFileListFragment listOfFiles = getListOfFilesFragment();
 299             if (listOfFiles != null) {
 300                 listOfFiles.listDirectory(getCurrentDir());
 301                 // TODO Enable when "On Device" is recovered
 302                 // listOfFiles.listDirectory(getCurrentDir(), MainApp.getOnlyOnDevice());
 303
 304             } else {
 305                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 306             }
 307
 308             /// Second fragment
 309             OCFile file = getFile();
 310             Fragment secondFragment = chooseInitialSecondFragment(file);
 311             if (secondFragment != null) {
 312                 setSecondFragment(secondFragment);
 313                 updateFragmentsVisibility(true);
 314                 updateActionBarTitleAndHomeButton(file);
 315
 316             } else {
 317                 cleanSecondFragment();
 318                 if (file.isDown() && PreviewTextFragment.canBePreviewed(file))
 319                     startTextPreview(file);
 320             }
 321
 322         } else {
 323             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 324             if (getAccount() == null) {
 325                 Log_OC.wtf(TAG, "\t account is NULL");
 326             }
 327             if (getFile() == null) {
 328                 Log_OC.wtf(TAG, "\t file is NULL");
 329             }
 330         }
 331     }
 332
 333     private Fragment chooseInitialSecondFragment(OCFile file) {
 334         Fragment secondFragment = null;
 335         if (file != null && !file.isFolder()) {
 336             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 337                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 338                     ) {
 339                 int startPlaybackPosition =
 340                         getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 341                 boolean autoplay =
 342                         getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 343                 secondFragment = new PreviewMediaFragment(file, getAccount(),
 344                         startPlaybackPosition, autoplay);
 345
 346             } else if (file.isDown() && PreviewTextFragment.canBePreviewed(file)) {
 347                 secondFragment = null;
 348             } else {
 349             secondFragment = FileDetailFragment.newInstance(file, getAccount());
 350         }
 351         }
 352         return secondFragment;
 353     }
 354
 355
 356     /**
 357      * Replaces the second fragment managed by the activity with the received as
 358      * a parameter.
 359      * <p/>
 360      * Assumes never will be more than two fragments managed at the same time.
 361      *
 362      * @param fragment New second Fragment to set.
 363      */
 364     private void setSecondFragment(Fragment fragment) {
 365         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 366         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 367         transaction.commit();
 368     }
 369
 370
 371     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 372         if (mDualPane) {
 373             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 374                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 375             }
 376             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 377                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 378             }
 379
 380         } else if (existsSecondFragment) {
 381             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 382                 mLeftFragmentContainer.setVisibility(View.GONE);
 383             }
 384             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 385                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 386             }
 387
 388         } else {
 389             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 390                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 391             }
 392             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 393                 mRightFragmentContainer.setVisibility(View.GONE);
 394             }
 395         }
 396     }
 397
 398
 399     private OCFileListFragment getListOfFilesFragment() {
 400         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(
 401                 FileDisplayActivity.TAG_LIST_OF_FILES);
 402         if (listOfFiles != null) {
 403             return (OCFileListFragment) listOfFiles;
 404         }
 405         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 406         return null;
 407     }
 408
 409     public FileFragment getSecondFragment() {
 410         Fragment second = getSupportFragmentManager().findFragmentByTag(
 411                 FileDisplayActivity.TAG_SECOND_FRAGMENT);
 412         if (second != null) {
 413             return (FileFragment) second;
 414         }
 415         return null;
 416     }
 417
 418     protected void cleanSecondFragment() {
 419         Fragment second = getSecondFragment();
 420         if (second != null) {
 421             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 422             tr.remove(second);
 423             tr.commit();
 424         }
 425         updateFragmentsVisibility(false);
 426         updateActionBarTitleAndHomeButton(null);
 427     }
 428
 429     protected void refreshListOfFilesFragment() {
 430         OCFileListFragment fileListFragment = getListOfFilesFragment();
 431         if (fileListFragment != null) {
 432             fileListFragment.listDirectory();
 433             // TODO Enable when "On Device" is recovered ?
 434             // fileListFragment.listDirectory(MainApp.getOnlyOnDevice());
 435         }
 436     }
 437
 438     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath,
 439                                          boolean success) {
 440         FileFragment secondFragment = getSecondFragment();
 441         boolean waitedPreview = (mWaitingToPreview != null &&
 442                 mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 443         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 444             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 445             OCFile fileInFragment = detailsFragment.getFile();
 446             if (fileInFragment != null &&
 447                     !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 448                 // the user browsed to other file ; forget the automatic preview
 449                 mWaitingToPreview = null;
 450
 451             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 452                 // grant that the right panel updates the progress bar
 453                 detailsFragment.listenForTransferProgress();
 454                 detailsFragment.updateFileDetails(true, false);
 455
 456             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 457                 //  update the right panel
 458                 boolean detailsFragmentChanged = false;
 459                 if (waitedPreview) {
 460                     if (success) {
 461                         mWaitingToPreview = getStorageManager().getFileById(
 462                                 mWaitingToPreview.getFileId());   // update the file from database,
 463                                                                   // for the local storage path
 464                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 465                             startMediaPreview(mWaitingToPreview, 0, true);
 466                             detailsFragmentChanged = true;
 467                         } else if (PreviewTextFragment.canBePreviewed(mWaitingToPreview)) {
 468                             startTextPreview(mWaitingToPreview);
 469                             detailsFragmentChanged = true;
 470                         } else {
 471                             getFileOperationsHelper().openFile(mWaitingToPreview);
 472                         }
 473                     }
 474                     mWaitingToPreview = null;
 475                 }
 476                 if (!detailsFragmentChanged) {
 477                     detailsFragment.updateFileDetails(false, (success));
 478                 }
 479             }
 480         }
 481     }
 482
 483     @Override
 484     public boolean onPrepareOptionsMenu(Menu menu) {
 485         boolean drawerOpen = mDrawerLayout.isDrawerOpen(GravityCompat.START);
 486         menu.findItem(R.id.action_upload).setVisible(!drawerOpen);
 487         menu.findItem(R.id.action_create_dir).setVisible(!drawerOpen);
 488         menu.findItem(R.id.action_sort).setVisible(!drawerOpen);
 489         menu.findItem(R.id.action_sync_account).setVisible(!drawerOpen);
 490
 491         return super.onPrepareOptionsMenu(menu);
 492     }
 493
 494     @Override
 495     public boolean onCreateOptionsMenu(Menu menu) {
 496         MenuInflater inflater = getMenuInflater();
 497         inflater.inflate(R.menu.main_menu, menu);
 498         return true;
 499     }
 500
 501
 502     @Override
 503     public boolean onOptionsItemSelected(MenuItem item) {
 504         boolean retval = true;
 505         switch (item.getItemId()) {
 506             case R.id.action_create_dir: {
 507                 CreateFolderDialogFragment dialog =
 508                         CreateFolderDialogFragment.newInstance(getCurrentDir());
 509                 dialog.show(getSupportFragmentManager(), DIALOG_CREATE_FOLDER);
 510                 break;
 511             }
 512
 513             case R.id.action_sync_account: {
 514                 startSynchronization();
 515                 break;
 516             }
 517             case R.id.action_upload: {
 518                 UploadSourceDialogFragment dialog =
 519                         UploadSourceDialogFragment.newInstance(getAccount());
 520                 dialog.show(getSupportFragmentManager(), DIALOG_UPLOAD_SOURCE);
 521                 break;
 522             }
 523             case android.R.id.home: {
 524                 FileFragment second = getSecondFragment();
 525                 OCFile currentDir = getCurrentDir();
 526                 if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
 527                     mDrawerLayout.closeDrawer(GravityCompat.START);
 528                 } else if((currentDir != null && currentDir.getParentId() != 0) ||
 529                         (second != null && second.getFile() != null)) {
 530                     onBackPressed();
 531
 532                 } else {
 533                     mDrawerLayout.openDrawer(GravityCompat.START);
 534                 }
 535                 break;
 536             }
 537             case R.id.action_sort: {
 538                 SharedPreferences appPreferences = PreferenceManager
 539                         .getDefaultSharedPreferences(this);
 540
 541                 // Read sorting order, default to sort by name ascending
 542                 Integer sortOrder = appPreferences
 543                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 544
 545                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 546                 builder.setTitle(R.string.actionbar_sort_title)
 547                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 548                                 new DialogInterface.OnClickListener() {
 549                             public void onClick(DialogInterface dialog, int which) {
 550                                 switch (which){
 551                                     case 0:
 552                                         sortByName(true);
 553                                         break;
 554                                     case 1:
 555                                         sortByDate(false);
 556                                         break;
 557                                 }
 558
 559                                 dialog.dismiss();
 560                             }
 561                         });
 562                 builder.create().show();
 563                 break;
 564             }
 565         default:
 566             retval = super.onOptionsItemSelected(item);
 567         }
 568         return retval;
 569     }
 570
 571     private void startSynchronization() {
 572         Log_OC.d(TAG, "Got to start sync");
 573         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 574             Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 575             ContentResolver.cancelSync(null, MainApp.getAuthority());
 576             // cancel the current synchronizations of any ownCloud account
 577             Bundle bundle = new Bundle();
 578             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 579             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 580             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 581                     MainApp.getAuthority());
 582             ContentResolver.requestSync(
 583                     getAccount(),
 584                     MainApp.getAuthority(), bundle);
 585         } else {
 586             Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " +
 587                     MainApp.getAuthority() + " with new API");
 588             SyncRequest.Builder builder = new SyncRequest.Builder();
 589             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 590             builder.setExpedited(true);
 591             builder.setManual(true);
 592             builder.syncOnce();
 593
 594             // Fix bug in Android Lollipop when you click on refresh the whole account
 595             Bundle extras = new Bundle();
 596             builder.setExtras(extras);
 597
 598             SyncRequest request = builder.build();
 599             ContentResolver.requestSync(request);
 600         }
 601     }
 602
 603     /**
 604      * Called, when the user selected something for uploading
 605      *
 606      */
 607     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 608     @Override
 609     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 610
 611         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK ||
 612                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 613             //getClipData is only supported on api level 16+, Jelly Bean
 614             if (data.getData() == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
 615                 for( int i = 0; i < data.getClipData().getItemCount(); i++){
 616                     Intent intent = new Intent();
 617                     intent.setData(data.getClipData().getItemAt(i).getUri());
 618                     requestSimpleUpload(intent, resultCode);
 619                 }
 620             }else {
 621                 requestSimpleUpload(data, resultCode);
 622             }
 623         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK ||
 624                 resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 625             requestMultipleUpload(data, resultCode);
 626
 627         } else if (requestCode == ACTION_MOVE_FILES && resultCode == RESULT_OK) {
 628
 629             final Intent fData = data;
 630             final int fResultCode = resultCode;
 631             getHandler().postDelayed(
 632                     new Runnable() {
 633                         @Override
 634                         public void run() {
 635                             requestMoveOperation(fData, fResultCode);
 636                         }
 637                     },
 638                     DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS
 639             );
 640
 641         } else {
 642             super.onActivityResult(requestCode, resultCode, data);
 643         }
 644
 645     }
 646
 647     private void requestMultipleUpload(Intent data, int resultCode) {
 648         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 649         if (filePaths != null) {
 650             String[] remotePaths = new String[filePaths.length];
 651             String remotePathBase = getCurrentDir().getRemotePath();
 652             for (int j = 0; j< remotePaths.length; j++) {
 653                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 654             }
 655
 656             Intent i = new Intent(this, FileUploader.class);
 657             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 658             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 659             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 660             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 661             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 662                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 663             startService(i);
 664
 665         } else {
 666             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 667             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected),
 668                     Toast.LENGTH_LONG);
 669             t.show();
 670             return;
 671         }
 672     }
 673
 674
 675     private void requestSimpleUpload(Intent data, int resultCode) {
 676         String filePath = null;
 677         String mimeType = null;
 678
 679         Uri selectedImageUri = data.getData();
 680
 681         try {
 682             mimeType = getContentResolver().getType(selectedImageUri);
 683
 684             String fileManagerString = selectedImageUri.getPath();
 685             String selectedImagePath = UriUtils.getLocalPath(selectedImageUri, this);
 686
 687             if (selectedImagePath != null)
 688                 filePath = selectedImagePath;
 689             else
 690                 filePath = fileManagerString;
 691
 692         } catch (Exception e) {
 693             Log_OC.e(TAG, "Unexpected exception when trying to read the result of " +
 694                     "Intent.ACTION_GET_CONTENT", e);
 695
 696         } finally {
 697             if (filePath == null) {
 698                 Log_OC.e(TAG, "Couldn't resolve path to file");
 699                 Toast t = Toast.makeText(
 700                         this, getString(R.string.filedisplay_unexpected_bad_get_content),
 701                         Toast.LENGTH_LONG
 702                 );
 703                 t.show();
 704                 return;
 705             }
 706         }
 707
 708         Intent i = new Intent(this, FileUploader.class);
 709         i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 710         OCFile currentDir = getCurrentDir();
 711         String remotePath =  (currentDir != null) ? currentDir.getRemotePath() : OCFile.ROOT_PATH;
 712
 713         if (filePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 714             Cursor cursor = getContentResolver().query(Uri.parse(filePath), null, null, null, null);
 715             try {
 716                 if (cursor != null && cursor.moveToFirst()) {
 717                     String displayName = cursor.getString(cursor.getColumnIndex(
 718                             OpenableColumns.DISPLAY_NAME));
 719                     Log_OC.v(TAG, "Display Name: " + displayName );
 720
 721                     displayName.replace(File.separatorChar, '_');
 722                     displayName.replace(File.pathSeparatorChar, '_');
 723                     remotePath += displayName + DisplayUtils.getComposedFileExtension(filePath);
 724
 725                 }
 726                 // and what happens in case of error?; wrong target name for the upload
 727             } finally {
 728                 cursor.close();
 729             }
 730
 731         } else {
 732             remotePath += new File(filePath).getName();
 733         }
 734
 735         i.putExtra(FileUploader.KEY_LOCAL_FILE, filePath);
 736         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePath);
 737         i.putExtra(FileUploader.KEY_MIME_TYPE, mimeType);
 738         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 739         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 740         i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 741         startService(i);
 742     }
 743
 744     /**
 745      * Request the operation for moving the file/folder from one path to another
 746      *
 747      * @param data       Intent received
 748      * @param resultCode Result code received
 749      */
 750     private void requestMoveOperation(Intent data, int resultCode) {
 751         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FOLDER);
 752         OCFile targetFile = (OCFile) data.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 753         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 754     }
 755
 756     @Override
 757     public void onBackPressed() {
 758         if (!isDrawerOpen()){
 759             OCFileListFragment listOfFiles = getListOfFilesFragment();
 760             if (mDualPane || getSecondFragment() == null) {
 761                 OCFile currentDir = getCurrentDir();
 762                 if (currentDir == null || currentDir.getParentId() == FileDataStorageManager.ROOT_PARENT_ID) {
 763                     finish();
 764                     return;
 765                 }
 766                 if (listOfFiles != null) {  // should never be null, indeed
 767                     listOfFiles.onBrowseUp();
 768                 }
 769             }
 770             if (listOfFiles != null) {  // should never be null, indeed
 771                 setFile(listOfFiles.getCurrentFile());
 772             }
 773             cleanSecondFragment();
 774         } else {
 775             super.onBackPressed();
 776         }
 777     }
 778
 779     @Override
 780     protected void onSaveInstanceState(Bundle outState) {
 781         // responsibility of restore is preferred in onCreate() before than in
 782         // onRestoreInstanceState when there are Fragments involved
 783         Log_OC.v(TAG, "onSaveInstanceState() start");
 784         super.onSaveInstanceState(outState);
 785         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 786         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 787         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS,
 788         // mRefreshSharesInProgress);
 789         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 790
 791         Log_OC.v(TAG, "onSaveInstanceState() end");
 792     }
 793
 794
 795     @Override
 796     protected void onResume() {
 797         Log_OC.v(TAG, "onResume() start");
 798         super.onResume();
 799         // refresh Navigation Drawer account list
 800         mNavigationDrawerAdapter.updateAccountList();
 801
 802         // refresh list of files
 803         refreshListOfFilesFragment();
 804
 805         // Listen for sync messages
 806         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 807         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 808         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 809         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 810         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 811         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 812         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 813         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver,
 814         // syncIntentFilter);
 815
 816         // Listen for upload messages
 817         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 818         mUploadFinishReceiver = new UploadFinishReceiver();
 819         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 820
 821         // Listen for download messages
 822         IntentFilter downloadIntentFilter = new IntentFilter(
 823                 FileDownloader.getDownloadAddedMessage());
 824         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 825         mDownloadFinishReceiver = new DownloadFinishReceiver();
 826         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 827         Log_OC.v(TAG, "onResume() end");
 828
 829     }
 830
 831
 832     @Override
 833     protected void onPause() {
 834         Log_OC.v(TAG, "onPause() start");
 835         if (mSyncBroadcastReceiver != null) {
 836             unregisterReceiver(mSyncBroadcastReceiver);
 837             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 838             mSyncBroadcastReceiver = null;
 839         }
 840         if (mUploadFinishReceiver != null) {
 841             unregisterReceiver(mUploadFinishReceiver);
 842             mUploadFinishReceiver = null;
 843         }
 844         if (mDownloadFinishReceiver != null) {
 845             unregisterReceiver(mDownloadFinishReceiver);
 846             mDownloadFinishReceiver = null;
 847         }
 848
 849         super.onPause();
 850         Log_OC.v(TAG, "onPause() end");
 851     }
 852
 853
 854     private class SyncBroadcastReceiver extends BroadcastReceiver {
 855
 856         /**
 857          * {@link BroadcastReceiver} to enable syncing feedback in UI
 858          */
 859         @Override
 860         public void onReceive(Context context, Intent intent) {
 861             try {
 862                 String event = intent.getAction();
 863                 Log_OC.d(TAG, "Received broadcast " + event);
 864                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 865                 String synchFolderRemotePath =
 866                         intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 867                 RemoteOperationResult synchResult =
 868                         (RemoteOperationResult)intent.getSerializableExtra(
 869                                 FileSyncAdapter.EXTRA_RESULT);
 870                 boolean sameAccount = (getAccount() != null &&
 871                         accountName.equals(getAccount().name) && getStorageManager() != null);
 872
 873                 if (sameAccount) {
 874
 875                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 876                         mSyncInProgress = true;
 877
 878                     } else {
 879                         OCFile currentFile = (getFile() == null) ? null :
 880                                 getStorageManager().getFileByPath(getFile().getRemotePath());
 881                         OCFile currentDir = (getCurrentDir() == null) ? null :
 882                                 getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 883
 884                         if (currentDir == null) {
 885                             // current folder was removed from the server
 886                             Toast.makeText( FileDisplayActivity.this,
 887                                             String.format(
 888                                                     getString(R.string.
 889                                                             sync_current_folder_was_removed),
 890                                                    synchFolderRemotePath),
 891                                             Toast.LENGTH_LONG)
 892                                 .show();
 893
 894                             browseToRoot();
 895
 896                         } else {
 897                             if (currentFile == null && !getFile().isFolder()) {
 898                                 // currently selected file was removed in the server, and now we
 899                                 // know it
 900                                 cleanSecondFragment();
 901                                 currentFile = currentDir;
 902                             }
 903
 904                             if (synchFolderRemotePath != null &&
 905                                     currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 906                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 907                                 if (fileListFragment != null) {
 908                                     fileListFragment.listDirectory();
 909                                     // TODO Enable when "On Device" is recovered ?
 910                                     // fileListFragment.listDirectory(currentDir,
 911                                     // MainApp.getOnlyOnDevice());
 912                                 }
 913                             }
 914                             setFile(currentFile);
 915                         }
 916
 917                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 918                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED
 919                                         .equals(event));
 920
 921                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 922                                     equals(event) &&/// TODO refactor and make common
 923                                 synchResult != null && !synchResult.isSuccess() &&
 924                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED ||
 925                                         synchResult.isIdPRedirection() ||
 926                                         (synchResult.isException() && synchResult.getException()
 927                                                 instanceof AuthenticatorException))) {
 928
 929
 930                             try {
 931                                 OwnCloudClient client;
 932                                 OwnCloudAccount ocAccount =
 933                                         new OwnCloudAccount(getAccount(), context);
 934                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 935                                         removeClientFor(ocAccount));
 936                                 if (client != null) {
 937                                     OwnCloudCredentials cred = client.getCredentials();
 938                                     if (cred != null) {
 939                                         AccountManager am = AccountManager.get(context);
 940                                         if (cred.authTokenExpires()) {
 941                                             am.invalidateAuthToken(
 942                                                     getAccount().type,
 943                                                     cred.getAuthToken()
 944                                             );
 945                                         } else {
 946                                             am.clearPassword(getAccount());
 947                                         }
 948                                     }
 949                                 }
 950                                 requestCredentialsUpdate();
 951
 952                             } catch (AccountNotFoundException e) {
 953                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
 954                             }
 955
 956                         }
 957                     }
 958                     removeStickyBroadcast(intent);
 959                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 960                     mProgressBar.setIndeterminate(mSyncInProgress);
 961                     //mProgressBar.setVisibility((mSyncInProgress) ? View.VISIBLE : View.INVISIBLE);
 962                     //setSupportProgressBarIndeterminateVisibility(mSyncInProgress
 963                     /*|| mRefreshSharesInProgress*/ //);
 964
 965                     setBackgroundText();
 966
 967                 }
 968
 969                 if (synchResult != null) {
 970                     if (synchResult.getCode().equals(
 971                             RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 972                         mLastSslUntrustedServerResult = synchResult;
 973                     }
 974                 }
 975             } catch (RuntimeException e) {
 976                 // avoid app crashes after changing the serial id of RemoteOperationResult
 977                 // in owncloud library with broadcast notifications pending to process
 978                 removeStickyBroadcast(intent);
 979             }
 980         }
 981     }
 982
 983     /**
 984      * Show a text message on screen view for notifying user if content is
 985      * loading or folder is empty
 986      */
 987     private void setBackgroundText() {
 988         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
 989         if (ocFileListFragment != null) {
 990             int message = R.string.file_list_loading;
 991             if (!mSyncInProgress) {
 992                 // In case file list is empty
 993                 message = R.string.file_list_empty;
 994             }
 995             ocFileListFragment.setMessageForEmptyList(getString(message));
 996         } else {
 997             Log_OC.e(TAG, "OCFileListFragment is null");
 998         }
 999     }
1000
1001     /**
1002      * Once the file upload has finished -> update view
1003      */
1004     private class UploadFinishReceiver extends BroadcastReceiver {
1005         /**
1006          * Once the file upload has finished -> update view
1007          *
1008          * @author David A. Velasco
1009          * {@link BroadcastReceiver} to enable upload feedback in UI
1010          */
1011         @Override
1012         public void onReceive(Context context, Intent intent) {
1013             try {
1014                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1015                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1016                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1017                 OCFile currentDir = getCurrentDir();
1018                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1019                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1020
1021                 if (sameAccount && isDescendant) {
1022                     refreshListOfFilesFragment();
1023                 }
1024                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT,
1025                         false);
1026                 boolean renamedInUpload = getFile().getRemotePath().
1027                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1028                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1029                         renamedInUpload;
1030                 FileFragment details = getSecondFragment();
1031                 boolean detailFragmentIsShown = (details != null &&
1032                         details instanceof FileDetailFragment);
1033
1034                 if (sameAccount && sameFile && detailFragmentIsShown) {
1035                     if (uploadWasFine) {
1036                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1037                     }
1038                     if (renamedInUpload) {
1039                         String newName = (new File(uploadedRemotePath)).getName();
1040                         Toast msg = Toast.makeText(
1041                                 context,
1042                                 String.format(
1043                                         getString(R.string.filedetails_renamed_in_upload_msg),
1044                                         newName),
1045                                 Toast.LENGTH_LONG);
1046                         msg.show();
1047                     }
1048                     if (uploadWasFine || getFile().fileExists()) {
1049                         ((FileDetailFragment) details).updateFileDetails(false, true);
1050                     } else {
1051                         cleanSecondFragment();
1052                     }
1053
1054                     // Force the preview if the file is an image or text file
1055                     if (uploadWasFine) {
1056                         OCFile ocFile = getFile();
1057                         if (PreviewImageFragment.canBePreviewed(ocFile))
1058                             startImagePreview(getFile());
1059                         else if (PreviewTextFragment.canBePreviewed(ocFile))
1060                             startTextPreview(ocFile);
1061                         // TODO what about other kind of previews?
1062                     }
1063                 }
1064
1065                 mProgressBar.setIndeterminate(false);
1066             } finally {
1067                 if (intent != null) {
1068                     removeStickyBroadcast(intent);
1069                 }
1070             }
1071
1072         }
1073
1074     }
1075
1076
1077     /**
1078      * Class waiting for broadcast events from the {@link FileDownloader} service.
1079      *
1080      * Updates the UI when a download is started or finished, provided that it is relevant for the
1081      * current folder.
1082      */
1083     private class DownloadFinishReceiver extends BroadcastReceiver {
1084
1085         //int refreshCounter = 0;
1086         @Override
1087         public void onReceive(Context context, Intent intent) {
1088             try {
1089                 boolean sameAccount = isSameAccount(context, intent);
1090                 String downloadedRemotePath =
1091                         intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1092                 boolean isDescendant = isDescendant(downloadedRemotePath);
1093
1094                 if (sameAccount && isDescendant) {
1095                     String linkedToRemotePath =
1096                             intent.getStringExtra(FileDownloader.EXTRA_LINKED_TO_PATH);
1097                     if (linkedToRemotePath == null || isAscendant(linkedToRemotePath)) {
1098                         //Log_OC.v(TAG, "refresh #" + ++refreshCounter);
1099                         refreshListOfFilesFragment();
1100                     }
1101                     refreshSecondFragment(
1102                             intent.getAction(),
1103                             downloadedRemotePath,
1104                             intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false)
1105                     );
1106                 }
1107
1108                 if (mWaitingToSend != null) {
1109                     mWaitingToSend =
1110                             getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
1111                     if (mWaitingToSend.isDown()) {
1112                         sendDownloadedFile();
1113                     }
1114                 }
1115
1116             } finally {
1117                 if (intent != null) {
1118                     removeStickyBroadcast(intent);
1119                 }
1120             }
1121         }
1122
1123         private boolean isDescendant(String downloadedRemotePath) {
1124             OCFile currentDir = getCurrentDir();
1125             return (
1126                 currentDir != null &&
1127                 downloadedRemotePath != null &&
1128                 downloadedRemotePath.startsWith(currentDir.getRemotePath())
1129             );
1130         }
1131
1132         private boolean isAscendant(String linkedToRemotePath) {
1133             OCFile currentDir = getCurrentDir();
1134             return (
1135                 currentDir != null &&
1136                 currentDir.getRemotePath().startsWith(linkedToRemotePath)
1137             );
1138         }
1139
1140         private boolean isSameAccount(Context context, Intent intent) {
1141             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1142             return (accountName != null && getAccount() != null &&
1143                     accountName.equals(getAccount().name));
1144         }
1145     }
1146
1147
1148     public void browseToRoot() {
1149         OCFileListFragment listOfFiles = getListOfFilesFragment();
1150         if (listOfFiles != null) {  // should never be null, indeed
1151             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1152             listOfFiles.listDirectory(root);
1153             // TODO Enable when "On Device" is recovered ?
1154             // listOfFiles.listDirectory(root, MainApp.getOnlyOnDevice());
1155             setFile(listOfFiles.getCurrentFile());
1156             startSyncFolderOperation(root, false);
1157         }
1158         cleanSecondFragment();
1159     }
1160
1161
1162     /**
1163      * {@inheritDoc}
1164      * <p/>
1165      * Updates action bar and second fragment, if in dual pane mode.
1166      */
1167     @Override
1168     public void onBrowsedDownTo(OCFile directory) {
1169         setFile(directory);
1170         cleanSecondFragment();
1171         // Sync Folder
1172         startSyncFolderOperation(directory, false);
1173     }
1174
1175     /**
1176      * Shows the information of the {@link OCFile} received as a
1177      * parameter in the second fragment.
1178      *
1179      * @param file {@link OCFile} whose details will be shown
1180      */
1181     @Override
1182     public void showDetails(OCFile file) {
1183         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1184         setSecondFragment(detailFragment);
1185         updateFragmentsVisibility(true);
1186         updateActionBarTitleAndHomeButton(file);
1187         setFile(file);
1188     }
1189
1190     @Override
1191     protected void updateActionBarTitleAndHomeButton(OCFile chosenFile) {
1192         if (mDualPane) {
1193             // in dual pane mode, keep the focus of title an action bar in the current folder
1194             super.updateActionBarTitleAndHomeButton(getCurrentDir());
1195
1196         } else {
1197             super.updateActionBarTitleAndHomeButton(chosenFile);
1198         }
1199
1200     }
1201
1202     @Override
1203     protected ServiceConnection newTransferenceServiceConnection() {
1204         return new ListServiceConnection();
1205     }
1206
1207     /**
1208      * Defines callbacks for service binding, passed to bindService()
1209      */
1210     private class ListServiceConnection implements ServiceConnection {
1211
1212         @Override
1213         public void onServiceConnected(ComponentName component, IBinder service) {
1214             if (component.equals(new ComponentName(
1215                     FileDisplayActivity.this, FileDownloader.class))) {
1216                 Log_OC.d(TAG, "Download service connected");
1217                 mDownloaderBinder = (FileDownloaderBinder) service;
1218                 if (mWaitingToPreview != null)
1219                     if (getStorageManager() != null) {
1220                          // update the file
1221                         mWaitingToPreview =
1222                                 getStorageManager().getFileById(mWaitingToPreview.getFileId());
1223                         if (!mWaitingToPreview.isDown()) {
1224                             requestForDownload();
1225                         }
1226                     }
1227
1228             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1229                     FileUploader.class))) {
1230                 Log_OC.d(TAG, "Upload service connected");
1231                 mUploaderBinder = (FileUploaderBinder) service;
1232             } else {
1233                 return;
1234             }
1235             // a new chance to get the mDownloadBinder through
1236             // getFileDownloadBinder() - THIS IS A MESS
1237             OCFileListFragment listOfFiles = getListOfFilesFragment();
1238             if (listOfFiles != null) {
1239                 listOfFiles.listDirectory();
1240                 // TODO Enable when "On Device" is recovered ?
1241                 // listOfFiles.listDirectory(MainApp.getOnlyOnDevice());
1242             }
1243             FileFragment secondFragment = getSecondFragment();
1244             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1245                 FileDetailFragment detailFragment = (FileDetailFragment) secondFragment;
1246                 detailFragment.listenForTransferProgress();
1247                 detailFragment.updateFileDetails(false, false);
1248             }
1249         }
1250
1251         @Override
1252         public void onServiceDisconnected(ComponentName component) {
1253             if (component.equals(new ComponentName(FileDisplayActivity.this,
1254                     FileDownloader.class))) {
1255                 Log_OC.d(TAG, "Download service disconnected");
1256                 mDownloaderBinder = null;
1257             } else if (component.equals(new ComponentName(FileDisplayActivity.this,
1258                     FileUploader.class))) {
1259                 Log_OC.d(TAG, "Upload service disconnected");
1260                 mUploaderBinder = null;
1261             }
1262         }
1263     }
1264
1265     @Override
1266     public void onSavedCertificate() {
1267         startSyncFolderOperation(getCurrentDir(), false);
1268     }
1269
1270
1271     @Override
1272     public void onFailedSavingCertificate() {
1273         ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
1274                 R.string.ssl_validator_not_saved, new String[]{}, R.string.common_ok, -1, -1
1275         );
1276         dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
1277     }
1278
1279     @Override
1280     public void onCancelCertificate() {
1281         // nothing to do
1282     }
1283
1284     /**
1285      * Updates the view associated to the activity after the finish of some operation over files
1286      * in the current account.
1287      *
1288      * @param operation Removal operation performed.
1289      * @param result    Result of the removal.
1290      */
1291     @Override
1292     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1293         super.onRemoteOperationFinish(operation, result);
1294
1295         if (operation instanceof RemoveFileOperation) {
1296             onRemoveFileOperationFinish((RemoveFileOperation) operation, result);
1297
1298         } else if (operation instanceof RenameFileOperation) {
1299             onRenameFileOperationFinish((RenameFileOperation) operation, result);
1300
1301         } else if (operation instanceof SynchronizeFileOperation) {
1302             onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
1303
1304         } else if (operation instanceof CreateFolderOperation) {
1305             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
1306
1307         } else if (operation instanceof CreateShareOperation) {
1308             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1309
1310         } else if (operation instanceof UnshareLinkOperation) {
1311             onUnshareLinkOperationFinish((UnshareLinkOperation) operation, result);
1312
1313         } else if (operation instanceof MoveFileOperation) {
1314             onMoveFileOperationFinish((MoveFileOperation) operation, result);
1315         }
1316
1317     }
1318
1319     private void onCreateShareOperationFinish(CreateShareOperation operation,
1320                                               RemoteOperationResult result) {
1321         if (result.isSuccess()) {
1322             refreshShowDetails();
1323             refreshListOfFilesFragment();
1324         }
1325     }
1326
1327     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation,
1328                                               RemoteOperationResult result) {
1329         if (result.isSuccess()) {
1330             refreshShowDetails();
1331             refreshListOfFilesFragment();
1332
1333         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1334             cleanSecondFragment();
1335             refreshListOfFilesFragment();
1336         }
1337     }
1338
1339     private void refreshShowDetails() {
1340         FileFragment details = getSecondFragment();
1341         if (details != null) {
1342             OCFile file = details.getFile();
1343             if (file != null) {
1344                 file = getStorageManager().getFileByPath(file.getRemotePath());
1345                 if (details instanceof PreviewMediaFragment) {
1346                     // Refresh  OCFile of the fragment
1347                     ((PreviewMediaFragment) details).updateFile(file);
1348                 } else if (details instanceof PreviewTextFragment) {
1349                     // Refresh  OCFile of the fragment
1350                     ((PreviewTextFragment) details).updateFile(file);
1351                 } else
1352                     showDetails(file);
1353             }
1354             invalidateOptionsMenu();
1355         }
1356     }
1357
1358     /**
1359      * Updates the view associated to the activity after the finish of an operation trying to
1360      * remove a file.
1361      *
1362      * @param operation     Removal operation performed.
1363      * @param result        Result of the removal.
1364      */
1365     private void onRemoveFileOperationFinish(RemoveFileOperation operation,
1366                                              RemoteOperationResult result) {
1367         dismissLoadingDialog();
1368         Toast msg = Toast.makeText(this,
1369                 ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1370                 Toast.LENGTH_LONG);
1371         msg.show();
1372
1373         if (result.isSuccess()) {
1374             OCFile removedFile = operation.getFile();
1375             FileFragment second = getSecondFragment();
1376             if (second != null && removedFile.equals(second.getFile())) {
1377                 if (second instanceof PreviewMediaFragment) {
1378                     ((PreviewMediaFragment) second).stopPreview(true);
1379                 }
1380                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1381                 cleanSecondFragment();
1382             }
1383             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())){
1384                 refreshListOfFilesFragment();
1385             }
1386             invalidateOptionsMenu();
1387         } else {
1388             if (result.isSslRecoverableException()) {
1389                 mLastSslUntrustedServerResult = result;
1390                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1391             }
1392         }
1393     }
1394
1395
1396     /**
1397      * Updates the view associated to the activity after the finish of an operation trying to move a
1398      * file.
1399      *
1400      * @param operation Move operation performed.
1401      * @param result    Result of the move operation.
1402      */
1403     private void onMoveFileOperationFinish(MoveFileOperation operation,
1404                                            RemoteOperationResult result) {
1405         if (result.isSuccess()) {
1406             dismissLoadingDialog();
1407             refreshListOfFilesFragment();
1408         } else {
1409             dismissLoadingDialog();
1410             try {
1411                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1412                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1413                         Toast.LENGTH_LONG);
1414                 msg.show();
1415
1416             } catch (NotFoundException e) {
1417                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1418             }
1419         }
1420     }
1421
1422
1423     /**
1424      * Updates the view associated to the activity after the finish of an operation trying to rename
1425      * a file.
1426      *
1427      * @param operation     Renaming operation performed.
1428      * @param result        Result of the renaming.
1429      */
1430     private void onRenameFileOperationFinish(RenameFileOperation operation,
1431                                              RemoteOperationResult result) {
1432         dismissLoadingDialog();
1433         OCFile renamedFile = operation.getFile();
1434         if (result.isSuccess()) {
1435             FileFragment details = getSecondFragment();
1436             if (details != null) {
1437                 if (details instanceof FileDetailFragment &&
1438                         renamedFile.equals(details.getFile()) ) {
1439                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1440                     showDetails(renamedFile);
1441
1442                 } else if (details instanceof PreviewMediaFragment &&
1443                         renamedFile.equals(details.getFile())) {
1444                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1445                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1446                         int position = ((PreviewMediaFragment) details).getPosition();
1447                         startMediaPreview(renamedFile, position, true);
1448                     } else {
1449                         getFileOperationsHelper().openFile(renamedFile);
1450                     }
1451                 } else if (details instanceof PreviewTextFragment &&
1452                         renamedFile.equals(details.getFile())) {
1453                     ((PreviewTextFragment) details).updateFile(renamedFile);
1454                     if (PreviewTextFragment.canBePreviewed(renamedFile)) {
1455                         startTextPreview(renamedFile);
1456                     } else {
1457                         getFileOperationsHelper().openFile(renamedFile);
1458                     }
1459                 }
1460             }
1461
1462             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())){
1463                 refreshListOfFilesFragment();
1464             }
1465
1466         } else {
1467             Toast msg = Toast.makeText(this,
1468                     ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1469                     Toast.LENGTH_LONG);
1470             msg.show();
1471
1472             if (result.isSslRecoverableException()) {
1473                 mLastSslUntrustedServerResult = result;
1474                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1475             }
1476         }
1477     }
1478
1479     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
1480                                                   RemoteOperationResult result) {
1481         if (result.isSuccess()) {
1482             if (operation.transferWasRequested()) {
1483                 OCFile syncedFile = operation.getLocalFile();
1484                 onTransferStateChanged(syncedFile, true, true);
1485                 invalidateOptionsMenu();
1486             }
1487         }
1488     }
1489
1490     /**
1491      * Updates the view associated to the activity after the finish of an operation trying create a
1492      * new folder
1493      *
1494      * @param operation     Creation operation performed.
1495      * @param result        Result of the creation.
1496      */
1497     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
1498                                                RemoteOperationResult result) {
1499         if (result.isSuccess()) {
1500             dismissLoadingDialog();
1501             refreshListOfFilesFragment();
1502         } else {
1503             dismissLoadingDialog();
1504             try {
1505                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1506                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1507                         Toast.LENGTH_LONG);
1508                 msg.show();
1509
1510             } catch (NotFoundException e) {
1511                 Log_OC.e(TAG, "Error while trying to show fail message ", e);
1512             }
1513         }
1514     }
1515
1516
1517     /**
1518      * {@inheritDoc}
1519      */
1520     @Override
1521     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1522         refreshListOfFilesFragment();
1523         FileFragment details = getSecondFragment();
1524         if (details != null && details instanceof FileDetailFragment &&
1525                 file.equals(details.getFile()) ) {
1526             if (downloading || uploading) {
1527                 ((FileDetailFragment) details).updateFileDetails(file, getAccount());
1528             } else {
1529                 if (!file.fileExists()) {
1530                     cleanSecondFragment();
1531                 } else {
1532                     ((FileDetailFragment) details).updateFileDetails(false, true);
1533                 }
1534             }
1535         }
1536
1537     }
1538
1539
1540     private void requestForDownload() {
1541         Account account = getAccount();
1542         //if (!mWaitingToPreview.isDownloading()) {
1543         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1544             Intent i = new Intent(this, FileDownloader.class);
1545             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1546             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1547             startService(i);
1548         }
1549     }
1550
1551
1552     private OCFile getCurrentDir() {
1553         OCFile file = getFile();
1554         if (file != null) {
1555             if (file.isFolder()) {
1556                 return file;
1557             } else if (getStorageManager() != null) {
1558                 String parentPath = file.getRemotePath().substring(0,
1559                         file.getRemotePath().lastIndexOf(file.getFileName()));
1560                 return getStorageManager().getFileByPath(parentPath);
1561             }
1562         }
1563         return null;
1564     }
1565
1566     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
1567         long currentSyncTime = System.currentTimeMillis();
1568
1569         mSyncInProgress = true;
1570
1571         // perform folder synchronization
1572         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
1573                 currentSyncTime,
1574                 false,
1575                 getFileOperationsHelper().isSharedSupported(),
1576                 ignoreETag,
1577                 getStorageManager(),
1578                 getAccount(),
1579                 getApplicationContext()
1580         );
1581         synchFolderOp.execute(getAccount(), MainApp.getAppContext(), this, null, null);
1582
1583         mProgressBar.setIndeterminate(true);
1584
1585         setBackgroundText();
1586     }
1587
1588     /**
1589      * Show untrusted cert dialog
1590      */
1591     public void showUntrustedCertDialog(RemoteOperationResult result) {
1592         // Show a dialog with the certificate info
1593         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
1594                 (CertificateCombinedException) result.getException());
1595         FragmentManager fm = getSupportFragmentManager();
1596         FragmentTransaction ft = fm.beginTransaction();
1597         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1598     }
1599
1600     private void requestForDownload(OCFile file) {
1601         Account account = getAccount();
1602         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1603             Intent i = new Intent(this, FileDownloader.class);
1604             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1605             i.putExtra(FileDownloader.EXTRA_FILE, file);
1606             startService(i);
1607         }
1608     }
1609
1610     private void sendDownloadedFile() {
1611         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1612         mWaitingToSend = null;
1613     }
1614
1615
1616     /**
1617      * Requests the download of the received {@link OCFile} , updates the UI
1618      * to monitor the download progress and prepares the activity to send the file
1619      * when the download finishes.
1620      *
1621      * @param file {@link OCFile} to download and preview.
1622      */
1623     public void startDownloadForSending(OCFile file) {
1624         mWaitingToSend = file;
1625         requestForDownload(mWaitingToSend);
1626         boolean hasSecondFragment = (getSecondFragment() != null);
1627         updateFragmentsVisibility(hasSecondFragment);
1628     }
1629
1630     /**
1631      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1632      *
1633      * @param file Image {@link OCFile} to show.
1634      */
1635     public void startImagePreview(OCFile file) {
1636         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1637         showDetailsIntent.putExtra(EXTRA_FILE, file);
1638         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1639         startActivity(showDetailsIntent);
1640     }
1641
1642     /**
1643      * Stars the preview of an already down media {@link OCFile}.
1644      *
1645      * @param file                      Media {@link OCFile} to preview.
1646      * @param startPlaybackPosition     Media position where the playback will be started,
1647      *                                  in milliseconds.
1648      * @param autoplay                  When 'true', the playback will start without user
1649      *                                  interactions.
1650      */
1651     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1652         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition,
1653                 autoplay);
1654         setSecondFragment(mediaFragment);
1655         updateFragmentsVisibility(true);
1656         updateActionBarTitleAndHomeButton(file);
1657         setFile(file);
1658     }
1659
1660     /**
1661      * Stars the preview of a text file {@link OCFile}.
1662      *
1663      * @param file Text {@link OCFile} to preview.
1664      */
1665     public void startTextPreview(OCFile file) {
1666         Bundle args = new Bundle();
1667         args.putParcelable(EXTRA_FILE, file);
1668         args.putParcelable(EXTRA_ACCOUNT, getAccount());
1669         Fragment textPreviewFragment = Fragment.instantiate(getApplicationContext(),
1670                 PreviewTextFragment.class.getName(), args);
1671         setSecondFragment(textPreviewFragment);
1672         updateFragmentsVisibility(true);
1673         //updateNavigationElementsInActionBar(file);
1674         setFile(file);
1675     }
1676
1677     /**
1678      * Requests the download of the received {@link OCFile} , updates the UI
1679      * to monitor the download progress and prepares the activity to preview
1680      * or open the file when the download finishes.
1681      *
1682      * @param file {@link OCFile} to download and preview.
1683      */
1684     public void startDownloadForPreview(OCFile file) {
1685         Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
1686         setSecondFragment(detailFragment);
1687         mWaitingToPreview = file;
1688         requestForDownload();
1689         updateFragmentsVisibility(true);
1690         updateActionBarTitleAndHomeButton(file);
1691         setFile(file);
1692     }
1693
1694
1695     public void cancelTransference(OCFile file) {
1696         getFileOperationsHelper().cancelTransference(file);
1697         if (mWaitingToPreview != null &&
1698                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1699             mWaitingToPreview = null;
1700         }
1701         if (mWaitingToSend != null &&
1702                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1703             mWaitingToSend = null;
1704         }
1705         onTransferStateChanged(file, false, false);
1706     }
1707
1708     @Override
1709     public void onRefresh(boolean ignoreETag) {
1710         refreshList(ignoreETag);
1711     }
1712
1713     @Override
1714     public void onRefresh() {
1715         refreshList(true);
1716     }
1717
1718     private void refreshList(boolean ignoreETag) {
1719         OCFileListFragment listOfFiles = getListOfFilesFragment();
1720         if (listOfFiles != null) {
1721             OCFile folder = listOfFiles.getCurrentFile();
1722             if (folder != null) {
1723                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1724                 listDirectory(mFile);*/
1725                 startSyncFolderOperation(folder, ignoreETag);
1726             }
1727         }
1728     }
1729
1730     private void sortByDate(boolean ascending) {
1731         getListOfFilesFragment().sortByDate(ascending);
1732     }
1733
1734     private void sortBySize(boolean ascending) {
1735         getListOfFilesFragment().sortBySize(ascending);
1736     }
1737
1738     private void sortByName(boolean ascending) {
1739         getListOfFilesFragment().sortByName(ascending);
1740     }
1741
1742    public void allFilesOption() {
1743        browseToRoot();
1744    }
1745 }