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.support.v4.widget.SwipeRefreshLayout;
  52 import android.util.Log;
  53 import android.view.View;
  54 import android.view.ViewGroup;
  55 import android.widget.ArrayAdapter;
  56 import android.widget.TextView;
  57 import android.widget.Toast;
  58
  59 import com.actionbarsherlock.app.ActionBar;
  60 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  61 import com.actionbarsherlock.view.Menu;
  62 import com.actionbarsherlock.view.MenuInflater;
  63 import com.actionbarsherlock.view.MenuItem;
  64 import com.actionbarsherlock.view.Window;
  65 import com.owncloud.android.MainApp;
  66 import com.owncloud.android.R;
  67 import com.owncloud.android.datamodel.OCFile;
  68 import com.owncloud.android.files.services.FileDownloader;
  69 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  70 import com.owncloud.android.files.services.FileUploader;
  71 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  72 import com.owncloud.android.lib.common.OwnCloudAccount;
  73 import com.owncloud.android.lib.common.OwnCloudClient;
  74 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  75 import com.owncloud.android.lib.common.OwnCloudCredentials;
  76 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  77 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  78 import com.owncloud.android.lib.common.operations.RemoteOperation;
  79 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  81 import com.owncloud.android.operations.CreateFolderOperation;
  82 import com.owncloud.android.operations.CreateShareOperation;
  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, SwipeRefreshLayout.OnRefreshListener {
 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
 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 String DIALOG_UNTRUSTED_CERT;
 150
 151     private OCFile mWaitingToSend;
 152
 153     @Override
 154     protected void onCreate(Bundle savedInstanceState) {
 155         Log_OC.d(TAG, "onCreate() start");
 156         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 157
 158         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 159
 160         // PIN CODE request ;  best location is to decide, let's try this first
 161         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 162             requestPinCode();
 163         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 164             requestPinCode();
 165         }
 166
 167         /// grant that FileObserverService is watching favourite files
 168         if (savedInstanceState == null) {
 169             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 170             startService(initObserversIntent);
 171         }
 172
 173         /// Load of saved instance state
 174         if(savedInstanceState != null) {
 175             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 176             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 177             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 178
 179         } else {
 180             mWaitingToPreview = null;
 181             mSyncInProgress = false;
 182             mWaitingToSend = null;
 183         }
 184
 185         /// USER INTERFACE
 186
 187         // Inflate and set the layout view
 188         setContentView(R.layout.files);
 189         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 190         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 191         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 192         if (savedInstanceState == null) {
 193             createMinFragments();
 194         }
 195
 196         // Action bar setup
 197         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 198         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 199         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 200
 201         setBackgroundText();
 202
 203         Log_OC.d(TAG, "onCreate() end");
 204     }
 205
 206     @Override
 207     protected void onStart() {
 208         super.onStart();
 209         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 210     }
 211
 212     @Override
 213     protected void onDestroy() {
 214         super.onDestroy();
 215     }
 216
 217     /**
 218      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 219      */
 220     @Override
 221     protected void onAccountSet(boolean stateWasRecovered) {
 222         super.onAccountSet(stateWasRecovered);
 223         if (getAccount() != null) {
 224             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 225             OCFile file = getFile();
 226             // get parent from path
 227             String parentPath = "";
 228             if (file != null) {
 229                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 230                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 231                     // get parent from path
 232                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 233                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 234                         file = null; // not able to know the directory where the file is uploading
 235                 } else {
 236                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 237                 }
 238             }
 239             if (file == null) {
 240                 // fall back to root folder
 241                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 242             }
 243             setFile(file);
 244             setNavigationListWithFolder(file);
 245
 246             if (!stateWasRecovered) {
 247                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 248                 initFragmentsWithFile();
 249                 if (file.isFolder()) {
 250                     startSyncFolderOperation(file);
 251                 }
 252
 253             } else {
 254                 updateFragmentsVisibility(!file.isFolder());
 255                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 256             }
 257         }
 258     }
 259
 260
 261     private void setNavigationListWithFolder(OCFile file) {
 262         mDirectories.clear();
 263         OCFile fileIt = file;
 264         String parentPath;
 265         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 266             if (fileIt.isFolder()) {
 267                 mDirectories.add(fileIt.getFileName());
 268             }
 269             // get parent from path
 270             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 271             fileIt = getStorageManager().getFileByPath(parentPath);
 272         }
 273         mDirectories.add(OCFile.PATH_SEPARATOR);
 274     }
 275
 276
 277     private void createMinFragments() {
 278         OCFileListFragment listOfFiles = new OCFileListFragment();
 279         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 280         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 281         transaction.commit();
 282     }
 283
 284     private void initFragmentsWithFile() {
 285         if (getAccount() != null && getFile() != null) {
 286             /// First fragment
 287             OCFileListFragment listOfFiles = getListOfFilesFragment();
 288             if (listOfFiles != null) {
 289                 listOfFiles.listDirectory(getCurrentDir());
 290             } else {
 291                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 292             }
 293
 294             /// Second fragment
 295             OCFile file = getFile();
 296             Fragment secondFragment = chooseInitialSecondFragment(file);
 297             if (secondFragment != null) {
 298                 setSecondFragment(secondFragment);
 299                 updateFragmentsVisibility(true);
 300                 updateNavigationElementsInActionBar(file);
 301
 302             } else {
 303                 cleanSecondFragment();
 304             }
 305
 306         } else {
 307             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 308             if (getAccount() == null) {
 309                 Log.wtf(TAG, "\t account is NULL");
 310             }
 311             if (getFile() == null) {
 312                 Log.wtf(TAG, "\t file is NULL");
 313             }
 314         }
 315     }
 316
 317     private Fragment chooseInitialSecondFragment(OCFile file) {
 318         Fragment secondFragment = null;
 319         if (file != null && !file.isFolder()) {
 320             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 321                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 322                     ) {
 323                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 324                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 325                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 326
 327             } else {
 328                 secondFragment = new FileDetailFragment(file, getAccount());
 329             }
 330         }
 331         return secondFragment;
 332     }
 333
 334
 335     /**
 336      * Replaces the second fragment managed by the activity with the received as
 337      * a parameter.
 338      *
 339      * Assumes never will be more than two fragments managed at the same time.
 340      *
 341      * @param fragment      New second Fragment to set.
 342      */
 343     private void setSecondFragment(Fragment fragment) {
 344         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 345         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 346         transaction.commit();
 347     }
 348
 349
 350     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 351         if (mDualPane) {
 352             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 353                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 354             }
 355             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 356                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 357             }
 358
 359         } else if (existsSecondFragment) {
 360             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 361                 mLeftFragmentContainer.setVisibility(View.GONE);
 362             }
 363             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 364                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 365             }
 366
 367         } else {
 368             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 369                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 370             }
 371             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 372                 mRightFragmentContainer.setVisibility(View.GONE);
 373             }
 374         }
 375     }
 376
 377
 378     private OCFileListFragment getListOfFilesFragment() {
 379         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 380         if (listOfFiles != null) {
 381             return (OCFileListFragment)listOfFiles;
 382         }
 383         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 384         return null;
 385     }
 386
 387     public FileFragment getSecondFragment() {
 388         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 389         if (second != null) {
 390             return (FileFragment)second;
 391         }
 392         return null;
 393     }
 394
 395     protected void cleanSecondFragment() {
 396         Fragment second = getSecondFragment();
 397         if (second != null) {
 398             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 399             tr.remove(second);
 400             tr.commit();
 401         }
 402         updateFragmentsVisibility(false);
 403         updateNavigationElementsInActionBar(null);
 404     }
 405
 406     protected void refreshListOfFilesFragment() {
 407         OCFileListFragment fileListFragment = getListOfFilesFragment();
 408         if (fileListFragment != null) {
 409             fileListFragment.listDirectory();
 410         }
 411     }
 412
 413     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 414         FileFragment secondFragment = getSecondFragment();
 415         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 416         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 417             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 418             OCFile fileInFragment = detailsFragment.getFile();
 419             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 420                 // the user browsed to other file ; forget the automatic preview
 421                 mWaitingToPreview = null;
 422
 423             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 424                 // grant that the right panel updates the progress bar
 425                 detailsFragment.listenForTransferProgress();
 426                 detailsFragment.updateFileDetails(true, false);
 427
 428             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 429                 //  update the right panel
 430                 boolean detailsFragmentChanged = false;
 431                 if (waitedPreview) {
 432                     if (success) {
 433                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 434                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 435                             startMediaPreview(mWaitingToPreview, 0, true);
 436                             detailsFragmentChanged = true;
 437                         } else {
 438                             getFileOperationsHelper().openFile(mWaitingToPreview);
 439                         }
 440                     }
 441                     mWaitingToPreview = null;
 442                 }
 443                 if (!detailsFragmentChanged) {
 444                     detailsFragment.updateFileDetails(false, (success));
 445                 }
 446             }
 447         }
 448     }
 449
 450     @Override
 451     public boolean onCreateOptionsMenu(Menu menu) {
 452         MenuInflater inflater = getSherlock().getMenuInflater();
 453         inflater.inflate(R.menu.main_menu, menu);
 454         return true;
 455     }
 456
 457     @Override
 458     public boolean onOptionsItemSelected(MenuItem item) {
 459         boolean retval = true;
 460         switch (item.getItemId()) {
 461         case R.id.action_create_dir: {
 462             CreateFolderDialogFragment dialog =
 463                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 464             dialog.show(getSupportFragmentManager(), "createdirdialog");
 465             break;
 466         }
 467         case R.id.action_sync_account: {
 468             startSynchronization();
 469             break;
 470         }
 471         case R.id.action_upload: {
 472             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 473             break;
 474         }
 475         case R.id.action_settings: {
 476             Intent settingsIntent = new Intent(this, Preferences.class);
 477             startActivity(settingsIntent);
 478             break;
 479         }
 480         case android.R.id.home: {
 481             FileFragment second = getSecondFragment();
 482             OCFile currentDir = getCurrentDir();
 483             if((currentDir != null && currentDir.getParentId() != 0) ||
 484                     (second != null && second.getFile() != null)) {
 485                 onBackPressed();
 486
 487             }
 488             break;
 489         }
 490         default:
 491             retval = super.onOptionsItemSelected(item);
 492         }
 493         return retval;
 494     }
 495
 496     private void startSynchronization() {
 497         Log_OC.e(TAG, "Got to start sync");
 498         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 499             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 500             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 501             Bundle bundle = new Bundle();
 502             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 503             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 504             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 505             ContentResolver.requestSync(
 506                     getAccount(),
 507                     MainApp.getAuthority(), bundle);
 508         } else {
 509             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 510             SyncRequest.Builder builder = new SyncRequest.Builder();
 511             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 512             builder.setExpedited(true);
 513             builder.setManual(true);
 514             builder.syncOnce();
 515             SyncRequest request = builder.build();
 516             ContentResolver.requestSync(request);
 517         }
 518     }
 519
 520
 521     @Override
 522     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 523         if (itemPosition != 0) {
 524             String targetPath = "";
 525             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 526                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 527             }
 528             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 529             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 530             if (targetFolder != null) {
 531                 browseTo(targetFolder);
 532             }
 533
 534             // the next operation triggers a new call to this method, but it's necessary to
 535             // ensure that the name exposed in the action bar is the current directory when the
 536             // user selected it in the navigation list
 537             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 538                 getSupportActionBar().setSelectedNavigationItem(0);
 539         }
 540         return true;
 541     }
 542
 543     /**
 544      * Called, when the user selected something for uploading
 545      */
 546     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 547         super.onActivityResult(requestCode, resultCode, data);
 548
 549         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 550             requestSimpleUpload(data, resultCode);
 551
 552         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 553             requestMultipleUpload(data, resultCode);
 554
 555         }
 556     }
 557
 558     private void requestMultipleUpload(Intent data, int resultCode) {
 559         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 560         if (filePaths != null) {
 561             String[] remotePaths = new String[filePaths.length];
 562             String remotePathBase = "";
 563             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 564                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 565             }
 566             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 567                 remotePathBase += OCFile.PATH_SEPARATOR;
 568             for (int j = 0; j< remotePaths.length; j++) {
 569                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 570             }
 571
 572             Intent i = new Intent(this, FileUploader.class);
 573             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 574             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 575             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 576             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 577             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 578                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 579             startService(i);
 580
 581         } else {
 582             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 583             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 584             t.show();
 585             return;
 586         }
 587     }
 588
 589
 590     private void requestSimpleUpload(Intent data, int resultCode) {
 591         String filepath = null;
 592         try {
 593             Uri selectedImageUri = data.getData();
 594
 595             String filemanagerstring = selectedImageUri.getPath();
 596             String selectedImagePath = getPath(selectedImageUri);
 597
 598             if (selectedImagePath != null)
 599                 filepath = selectedImagePath;
 600             else
 601                 filepath = filemanagerstring;
 602
 603         } catch (Exception e) {
 604             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 605             e.printStackTrace();
 606
 607         } finally {
 608             if (filepath == null) {
 609                 Log_OC.e(TAG, "Couldnt resolve path to file");
 610                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 611                 t.show();
 612                 return;
 613             }
 614         }
 615
 616         Intent i = new Intent(this, FileUploader.class);
 617         i.putExtra(FileUploader.KEY_ACCOUNT,
 618                 getAccount());
 619         String remotepath = new String();
 620         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 621             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 622         }
 623         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 624             remotepath += OCFile.PATH_SEPARATOR;
 625         remotepath += new File(filepath).getName();
 626
 627         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 628         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 629         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 630         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 631             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 632         startService(i);
 633     }
 634
 635     @Override
 636     public void onBackPressed() {
 637         OCFileListFragment listOfFiles = getListOfFilesFragment();
 638         if (mDualPane || getSecondFragment() == null) {
 639             if (listOfFiles != null) {  // should never be null, indeed
 640                 if (mDirectories.getCount() <= 1) {
 641                     finish();
 642                     return;
 643                 }
 644                 int levelsUp = listOfFiles.onBrowseUp();
 645                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 646                     popDirname();
 647                 }
 648             }
 649         }
 650         if (listOfFiles != null) {  // should never be null, indeed
 651             setFile(listOfFiles.getCurrentFile());
 652         }
 653         cleanSecondFragment();
 654
 655     }
 656
 657     @Override
 658     protected void onSaveInstanceState(Bundle outState) {
 659         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 660         Log_OC.e(TAG, "onSaveInstanceState() start");
 661         super.onSaveInstanceState(outState);
 662         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 663         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 664         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 665         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 666
 667         Log_OC.d(TAG, "onSaveInstanceState() end");
 668     }
 669
 670
 671
 672     @Override
 673     protected void onResume() {
 674         super.onResume();
 675         Log_OC.e(TAG, "onResume() start");
 676
 677         // refresh list of files
 678         refreshListOfFilesFragment();
 679
 680         // Listen for sync messages
 681         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 682         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 683         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 684         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 685         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 686         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 687         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 688         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 689
 690         // Listen for upload messages
 691         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 692         mUploadFinishReceiver = new UploadFinishReceiver();
 693         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 694
 695         // Listen for download messages
 696         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 697         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 698         mDownloadFinishReceiver = new DownloadFinishReceiver();
 699         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 700
 701         Log_OC.d(TAG, "onResume() end");
 702     }
 703
 704
 705     @Override
 706     protected void onPause() {
 707         Log_OC.e(TAG, "onPause() start");
 708         if (mSyncBroadcastReceiver != null) {
 709             unregisterReceiver(mSyncBroadcastReceiver);
 710             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 711             mSyncBroadcastReceiver = null;
 712         }
 713         if (mUploadFinishReceiver != null) {
 714             unregisterReceiver(mUploadFinishReceiver);
 715             mUploadFinishReceiver = null;
 716         }
 717         if (mDownloadFinishReceiver != null) {
 718             unregisterReceiver(mDownloadFinishReceiver);
 719             mDownloadFinishReceiver = null;
 720         }
 721
 722
 723         Log_OC.d(TAG, "onPause() end");
 724         super.onPause();
 725     }
 726
 727
 728     @Override
 729     protected Dialog onCreateDialog(int id) {
 730         Dialog dialog = null;
 731         AlertDialog.Builder builder;
 732         switch (id) {
 733         case DIALOG_SHORT_WAIT: {
 734             ProgressDialog working_dialog = new ProgressDialog(this);
 735             working_dialog.setMessage(getResources().getString(
 736                     R.string.wait_a_moment));
 737             working_dialog.setIndeterminate(true);
 738             working_dialog.setCancelable(false);
 739             dialog = working_dialog;
 740             break;
 741         }
 742         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 743
 744
 745             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 746                     getString(R.string.actionbar_upload_from_apps) };
 747
 748             builder = new AlertDialog.Builder(this);
 749             builder.setTitle(R.string.actionbar_upload);
 750             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 751                 public void onClick(DialogInterface dialog, int item) {
 752                     if (item == 0) {
 753                         // if (!mDualPane) {
 754                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 755                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 756                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 757                             // } else {
 758                             // TODO create and handle new fragment
 759                             // LocalFileListFragment
 760                             // }
 761                     } else if (item == 1) {
 762                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 763                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 764                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 765                                 ACTION_SELECT_CONTENT_FROM_APPS);
 766                     }
 767                 }
 768             });
 769             dialog = builder.create();
 770             break;
 771         }
 772         case DIALOG_CERT_NOT_SAVED: {
 773             builder = new AlertDialog.Builder(this);
 774             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 775             builder.setCancelable(false);
 776             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 777                 @Override
 778                 public void onClick(DialogInterface dialog, int which) {
 779                     dialog.dismiss();
 780                 };
 781             });
 782             dialog = builder.create();
 783             break;
 784         }
 785         default:
 786             dialog = null;
 787         }
 788
 789         return dialog;
 790     }
 791
 792
 793     /**
 794      * Translates a content URI of an image to a physical path
 795      * on the disk
 796      * @param uri The URI to resolve
 797      * @return The path to the image or null if it could not be found
 798      */
 799     public String getPath(Uri uri) {
 800         String[] projection = { MediaStore.Images.Media.DATA };
 801         Cursor cursor = managedQuery(uri, projection, null, null, null);
 802         if (cursor != null) {
 803             int column_index = cursor
 804                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 805             cursor.moveToFirst();
 806             return cursor.getString(column_index);
 807         }
 808         return null;
 809     }
 810
 811     /**
 812      * Pushes a directory to the drop down list
 813      * @param directory to push
 814      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 815      */
 816     public void pushDirname(OCFile directory) {
 817         if(!directory.isFolder()){
 818             throw new IllegalArgumentException("Only directories may be pushed!");
 819         }
 820         mDirectories.insert(directory.getFileName(), 0);
 821         setFile(directory);
 822     }
 823
 824     /**
 825      * Pops a directory name from the drop down list
 826      * @return True, unless the stack is empty
 827      */
 828     public boolean popDirname() {
 829         mDirectories.remove(mDirectories.getItem(0));
 830         return !mDirectories.isEmpty();
 831     }
 832
 833     // Custom array adapter to override text colors
 834     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 835
 836         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 837             super(ctx, view);
 838         }
 839
 840         public View getView(int position, View convertView, ViewGroup parent) {
 841             View v = super.getView(position, convertView, parent);
 842
 843             ((TextView) v).setTextColor(getResources().getColorStateList(
 844                     android.R.color.white));
 845
 846             fixRoot((TextView) v );
 847             return v;
 848         }
 849
 850         public View getDropDownView(int position, View convertView,
 851                 ViewGroup parent) {
 852             View v = super.getDropDownView(position, convertView, parent);
 853
 854             ((TextView) v).setTextColor(getResources().getColorStateList(
 855                     android.R.color.white));
 856
 857             fixRoot((TextView) v );
 858             return v;
 859         }
 860
 861         private void fixRoot(TextView v) {
 862             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 863                 v.setText(R.string.default_display_name_for_root_folder);
 864             }
 865         }
 866
 867     }
 868
 869     private class SyncBroadcastReceiver extends BroadcastReceiver {
 870
 871         /**
 872          * {@link BroadcastReceiver} to enable syncing feedback in UI
 873          */
 874         @Override
 875         public void onReceive(Context context, Intent intent) {
 876             try {
 877                 String event = intent.getAction();
 878                 Log_OC.d(TAG, "Received broadcast " + event);
 879                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 880                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 881                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 882                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 883
 884                 if (sameAccount) {
 885
 886                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 887                         mSyncInProgress = true;
 888
 889                     } else {
 890                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 891                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 892
 893                         if (currentDir == null) {
 894                             // current folder was removed from the server
 895                             Toast.makeText( FileDisplayActivity.this,
 896                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 897                                             Toast.LENGTH_LONG)
 898                                 .show();
 899                             browseToRoot();
 900
 901                         } else {
 902                             if (currentFile == null && !getFile().isFolder()) {
 903                                 // currently selected file was removed in the server, and now we know it
 904                                 cleanSecondFragment();
 905                                 currentFile = currentDir;
 906                             }
 907
 908                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 909                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 910                                 if (fileListFragment != null) {
 911                                     fileListFragment.listDirectory(currentDir);
 912                                 }
 913                             }
 914                             setFile(currentFile);
 915                         }
 916
 917                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 918
 919                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 920                                     equals(event) &&
 921                                 /// TODO refactor and make common
 922                                 synchResult != null && !synchResult.isSuccess() &&
 923                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 924                                     synchResult.isIdPRedirection()                  ||
 925                                     (synchResult.isException() && synchResult.getException()
 926                                             instanceof AuthenticatorException))) {
 927
 928                             OwnCloudClient client = null;
 929                             try {
 930                                 OwnCloudAccount ocAccount =
 931                                         new OwnCloudAccount(getAccount(), context);
 932                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 933                                         removeClientFor(ocAccount));
 934                                 // TODO get rid of these exceptions
 935                             } catch (AccountNotFoundException e) {
 936                                 e.printStackTrace();
 937                             } catch (AuthenticatorException e) {
 938                                 e.printStackTrace();
 939                             } catch (OperationCanceledException e) {
 940                                 e.printStackTrace();
 941                             } catch (IOException e) {
 942                                 e.printStackTrace();
 943                             }
 944
 945                             if (client != null) {
 946                                 OwnCloudCredentials cred = client.getCredentials();
 947                                 if (cred != null) {
 948                                     AccountManager am = AccountManager.get(context);
 949                                     if (cred.authTokenExpires()) {
 950                                         am.invalidateAuthToken(
 951                                                 getAccount().type,
 952                                                 cred.getAuthToken()
 953                                         );
 954                                     } else {
 955                                         am.clearPassword(getAccount());
 956                                     }
 957                                 }
 958                             }
 959
 960                             requestCredentialsUpdate();
 961
 962                         }
 963                     }
 964                     removeStickyBroadcast(intent);
 965                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 966                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 967
 968                     setBackgroundText();
 969
 970                 }
 971
 972                 if (synchResult != null) {
 973                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 974                         mLastSslUntrustedServerResult = synchResult;
 975                     }
 976                 }
 977             } catch (RuntimeException e) {
 978                 // avoid app crashes after changing the serial id of RemoteOperationResult
 979                 // in owncloud library with broadcast notifications pending to process
 980                 removeStickyBroadcast(intent);
 981             }
 982         }
 983     }
 984
 985     /**
 986      * Show a text message on screen view for notifying user if content is
 987      * loading or folder is empty
 988      */
 989     private void setBackgroundText() {
 990         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
 991         if (ocFileListFragment != null) {
 992             int message = R.string.file_list_loading;
 993             if (!mSyncInProgress) {
 994                 // In case file list is empty
 995                 message = R.string.file_list_empty;
 996             }
 997             ocFileListFragment.setMessageForEmptyList(getString(message));
 998         } else {
 999             Log.e(TAG, "OCFileListFragment is null");
1000         }
1001     }
1002
1003     /**
1004      * Once the file upload has finished -> update view
1005      */
1006     private class UploadFinishReceiver extends BroadcastReceiver {
1007         /**
1008          * Once the file upload has finished -> update view
1009          *  @author David A. Velasco
1010          * {@link BroadcastReceiver} to enable upload feedback in UI
1011          */
1012         @Override
1013         public void onReceive(Context context, Intent intent) {
1014             try {
1015                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1016                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1017                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1018                 OCFile currentDir = getCurrentDir();
1019                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1020                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1021
1022                 if (sameAccount && isDescendant) {
1023                     refreshListOfFilesFragment();
1024                 }
1025
1026                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1027                 boolean renamedInUpload = getFile().getRemotePath().
1028                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1029                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1030                         renamedInUpload;
1031                 FileFragment details = getSecondFragment();
1032                 boolean detailFragmentIsShown = (details != null &&
1033                         details instanceof FileDetailFragment);
1034
1035                 if (sameAccount && sameFile && detailFragmentIsShown) {
1036                     if (uploadWasFine) {
1037                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1038                     }
1039                     if (renamedInUpload) {
1040                         String newName = (new File(uploadedRemotePath)).getName();
1041                         Toast msg = Toast.makeText(
1042                                 context,
1043                                 String.format(
1044                                         getString(R.string.filedetails_renamed_in_upload_msg),
1045                                         newName),
1046                                 Toast.LENGTH_LONG);
1047                         msg.show();
1048                     }
1049                     if (uploadWasFine || getFile().fileExists()) {
1050                         ((FileDetailFragment)details).updateFileDetails(false, true);
1051                     } else {
1052                         cleanSecondFragment();
1053                     }
1054
1055                     // Force the preview if the file is an image
1056                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1057                         startImagePreview(getFile());
1058                     } // TODO what about other kind of previews?
1059                 }
1060
1061             } finally {
1062                 if (intent != null) {
1063                     removeStickyBroadcast(intent);
1064                 }
1065             }
1066
1067         }
1068
1069     }
1070
1071
1072     /**
1073      * Class waiting for broadcast events from the {@link FielDownloader} service.
1074      *
1075      * Updates the UI when a download is started or finished, provided that it is relevant for the
1076      * current folder.
1077      */
1078     private class DownloadFinishReceiver extends BroadcastReceiver {
1079         @Override
1080         public void onReceive(Context context, Intent intent) {
1081             try {
1082                 boolean sameAccount = isSameAccount(context, intent);
1083                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1084                 boolean isDescendant = isDescendant(downloadedRemotePath);
1085
1086                 if (sameAccount && isDescendant) {
1087                     refreshListOfFilesFragment();
1088                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1089                 }
1090
1091                 if (mWaitingToSend != null) {
1092                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1093                     if (mWaitingToSend.isDown()) {
1094                         sendDownloadedFile();
1095                     }
1096                 }
1097
1098             } finally {
1099                 if (intent != null) {
1100                     removeStickyBroadcast(intent);
1101                 }
1102             }
1103         }
1104
1105         private boolean isDescendant(String downloadedRemotePath) {
1106             OCFile currentDir = getCurrentDir();
1107             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1108         }
1109
1110         private boolean isSameAccount(Context context, Intent intent) {
1111             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1112             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1113         }
1114     }
1115
1116
1117     public void browseToRoot() {
1118         OCFileListFragment listOfFiles = getListOfFilesFragment();
1119         if (listOfFiles != null) {  // should never be null, indeed
1120             while (mDirectories.getCount() > 1) {
1121                 popDirname();
1122             }
1123             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1124             listOfFiles.listDirectory(root);
1125             setFile(listOfFiles.getCurrentFile());
1126             startSyncFolderOperation(root);
1127         }
1128         cleanSecondFragment();
1129     }
1130
1131
1132     public void browseTo(OCFile folder) {
1133         if (folder == null || !folder.isFolder()) {
1134             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1135         }
1136         OCFileListFragment listOfFiles = getListOfFilesFragment();
1137         if (listOfFiles != null) {
1138             setNavigationListWithFolder(folder);
1139             listOfFiles.listDirectory(folder);
1140             setFile(listOfFiles.getCurrentFile());
1141             startSyncFolderOperation(folder);
1142         } else {
1143             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1144         }
1145         cleanSecondFragment();
1146     }
1147
1148
1149     /**
1150      * {@inheritDoc}
1151      *
1152      * Updates action bar and second fragment, if in dual pane mode.
1153      */
1154     @Override
1155     public void onBrowsedDownTo(OCFile directory) {
1156         pushDirname(directory);
1157         cleanSecondFragment();
1158
1159         // Sync Folder
1160         startSyncFolderOperation(directory);
1161
1162     }
1163
1164     /**
1165      * Shows the information of the {@link OCFile} received as a
1166      * parameter in the second fragment.
1167      *
1168      * @param file          {@link OCFile} whose details will be shown
1169      */
1170     @Override
1171     public void showDetails(OCFile file) {
1172         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1173         setSecondFragment(detailFragment);
1174         updateFragmentsVisibility(true);
1175         updateNavigationElementsInActionBar(file);
1176         setFile(file);
1177     }
1178
1179
1180     /**
1181      * TODO
1182      */
1183     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1184         ActionBar actionBar = getSupportActionBar();
1185         if (chosenFile == null || mDualPane) {
1186             // only list of files - set for browsing through folders
1187             OCFile currentDir = getCurrentDir();
1188             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1189             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1190             actionBar.setDisplayShowTitleEnabled(!noRoot);
1191             if (!noRoot) {
1192                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1193             }
1194             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1195             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1196
1197         } else {
1198             actionBar.setDisplayHomeAsUpEnabled(true);
1199             actionBar.setDisplayShowTitleEnabled(true);
1200             actionBar.setTitle(chosenFile.getFileName());
1201             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1202         }
1203     }
1204
1205
1206     @Override
1207     protected ServiceConnection newTransferenceServiceConnection() {
1208         return new ListServiceConnection();
1209     }
1210
1211     /** Defines callbacks for service binding, passed to bindService() */
1212     private class ListServiceConnection implements ServiceConnection {
1213
1214         @Override
1215         public void onServiceConnected(ComponentName component, IBinder service) {
1216             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1217                 Log_OC.d(TAG, "Download service connected");
1218                 mDownloaderBinder = (FileDownloaderBinder) service;
1219                 if (mWaitingToPreview != null)
1220                     if (getStorageManager() != null) {
1221                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1222                         if (!mWaitingToPreview.isDown()) {
1223                             requestForDownload();
1224                         }
1225                 }
1226
1227             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1228                 Log_OC.d(TAG, "Upload service connected");
1229                 mUploaderBinder = (FileUploaderBinder) service;
1230             } else {
1231                 return;
1232             }
1233             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1234             OCFileListFragment listOfFiles = getListOfFilesFragment();
1235             if (listOfFiles != null) {
1236                 listOfFiles.listDirectory();
1237             }
1238             FileFragment secondFragment = getSecondFragment();
1239             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1240                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1241                 detailFragment.listenForTransferProgress();
1242                 detailFragment.updateFileDetails(false, false);
1243             }
1244         }
1245
1246         @Override
1247         public void onServiceDisconnected(ComponentName component) {
1248             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1249                 Log_OC.d(TAG, "Download service disconnected");
1250                 mDownloaderBinder = null;
1251             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1252                 Log_OC.d(TAG, "Upload service disconnected");
1253                 mUploaderBinder = null;
1254             }
1255         }
1256     };
1257
1258
1259
1260     /**
1261      * Launch an intent to request the PIN code to the user before letting him use the app
1262      */
1263     private void requestPinCode() {
1264         boolean pinStart = false;
1265         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1266         pinStart = appPrefs.getBoolean("set_pincode", false);
1267         if (pinStart) {
1268             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1269             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1270             startActivity(i);
1271         }
1272     }
1273
1274
1275     @Override
1276     public void onSavedCertificate() {
1277         startSyncFolderOperation(getCurrentDir());
1278     }
1279
1280
1281     @Override
1282     public void onFailedSavingCertificate() {
1283         showDialog(DIALOG_CERT_NOT_SAVED);
1284     }
1285
1286     @Override
1287     public void onCancelCertificate() {
1288         // nothing to do
1289     }
1290
1291     /**
1292      * Updates the view associated to the activity after the finish of some operation over files
1293      * in the current account.
1294      *
1295      * @param operation     Removal operation performed.
1296      * @param result        Result of the removal.
1297      */
1298     @Override
1299     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1300         super.onRemoteOperationFinish(operation, result);
1301
1302         if (operation instanceof RemoveFileOperation) {
1303             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1304
1305         } else if (operation instanceof RenameFileOperation) {
1306             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1307
1308         } else if (operation instanceof SynchronizeFileOperation) {
1309             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1310
1311         } else if (operation instanceof CreateFolderOperation) {
1312             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1313
1314         } else if (operation instanceof CreateShareOperation) {
1315             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1316
1317         } else if (operation instanceof UnshareLinkOperation) {
1318             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1319
1320         }
1321
1322     }
1323
1324
1325     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1326         if (result.isSuccess()) {
1327             refreshShowDetails();
1328             refreshListOfFilesFragment();
1329         }
1330     }
1331
1332
1333     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1334         if (result.isSuccess()) {
1335             refreshShowDetails();
1336             refreshListOfFilesFragment();
1337
1338         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1339             cleanSecondFragment();
1340             refreshListOfFilesFragment();
1341         }
1342     }
1343
1344     private void refreshShowDetails() {
1345         FileFragment details = getSecondFragment();
1346         if (details != null) {
1347             OCFile file = details.getFile();
1348             if (file != null) {
1349                 file = getStorageManager().getFileByPath(file.getRemotePath());
1350                 if (details instanceof PreviewMediaFragment) {
1351                     // Refresh  OCFile of the fragment
1352                     ((PreviewMediaFragment) details).updateFile(file);
1353                 } else {
1354                     showDetails(file);
1355                 }
1356             }
1357             invalidateOptionsMenu();
1358         }
1359     }
1360
1361     /**
1362      * Updates the view associated to the activity after the finish of an operation trying to remove a
1363      * file.
1364      *
1365      * @param operation     Removal operation performed.
1366      * @param result        Result of the removal.
1367      */
1368     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1369         dismissLoadingDialog();
1370
1371         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1372                 Toast.LENGTH_LONG);
1373         msg.show();
1374
1375         if (result.isSuccess()) {
1376             OCFile removedFile = operation.getFile();
1377             FileFragment second = getSecondFragment();
1378             if (second != null && removedFile.equals(second.getFile())) {
1379                 if (second instanceof PreviewMediaFragment) {
1380                     ((PreviewMediaFragment)second).stopPreview(true);
1381                 }
1382                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1383                 cleanSecondFragment();
1384             }
1385             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1386                 refreshListOfFilesFragment();
1387             }
1388             invalidateOptionsMenu();
1389         } else {
1390             if (result.isSslRecoverableException()) {
1391                 mLastSslUntrustedServerResult = result;
1392                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1393             }
1394         }
1395     }
1396
1397
1398     /**
1399      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1400      *
1401      * @param operation     Creation operation performed.
1402      * @param result        Result of the creation.
1403      */
1404     private void onCreateFolderOperationFinish(CreateFolderOperation operation, 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 a
1425      * file.
1426      *
1427      * @param operation     Renaming operation performed.
1428      * @param result        Result of the renaming.
1429      */
1430     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1431         dismissLoadingDialog();
1432         OCFile renamedFile = operation.getFile();
1433         if (result.isSuccess()) {
1434             FileFragment details = getSecondFragment();
1435             if (details != null) {
1436                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1437                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1438                     showDetails(renamedFile);
1439
1440                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1441                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1442                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1443                         int position = ((PreviewMediaFragment)details).getPosition();
1444                         startMediaPreview(renamedFile, position, true);
1445                     } else {
1446                         getFileOperationsHelper().openFile(renamedFile);
1447                     }
1448                 }
1449             }
1450
1451             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1452                 refreshListOfFilesFragment();
1453             }
1454
1455         } else {
1456             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1457                     Toast.LENGTH_LONG);
1458             msg.show();
1459
1460             if (result.isSslRecoverableException()) {
1461                 mLastSslUntrustedServerResult = result;
1462                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1463             }
1464         }
1465     }
1466
1467     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1468         dismissLoadingDialog();
1469         OCFile syncedFile = operation.getLocalFile();
1470         if (!result.isSuccess()) {
1471             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1472                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1473                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1474                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1475                 startActivity(i);
1476
1477             }
1478
1479         } else {
1480             if (operation.transferWasRequested()) {
1481                 onTransferStateChanged(syncedFile, true, true);
1482
1483             } else {
1484                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1485                         Toast.LENGTH_LONG);
1486                 msg.show();
1487             }
1488         }
1489     }
1490
1491
1492     /**
1493      * {@inheritDoc}
1494      */
1495     @Override
1496     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1497         refreshListOfFilesFragment();
1498         FileFragment details = getSecondFragment();
1499         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1500             if (downloading || uploading) {
1501                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1502             } else {
1503                 if (!file.fileExists()) {
1504                     cleanSecondFragment();
1505                 } else {
1506                     ((FileDetailFragment)details).updateFileDetails(false, true);
1507                 }
1508             }
1509         }
1510
1511     }
1512
1513
1514     private void requestForDownload() {
1515         Account account = getAccount();
1516         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1517             Intent i = new Intent(this, FileDownloader.class);
1518             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1519             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1520             startService(i);
1521         }
1522     }
1523
1524
1525     private OCFile getCurrentDir() {
1526         OCFile file = getFile();
1527         if (file != null) {
1528             if (file.isFolder()) {
1529                 return file;
1530             } else if (getStorageManager() != null) {
1531                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1532                 return getStorageManager().getFileByPath(parentPath);
1533             }
1534         }
1535         return null;
1536     }
1537
1538     public void startSyncFolderOperation(OCFile folder) {
1539         long currentSyncTime = System.currentTimeMillis();
1540
1541         mSyncInProgress = true;
1542
1543         // perform folder synchronization
1544         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1545                                                                         currentSyncTime,
1546                                                                         false,
1547                                                                         getFileOperationsHelper().isSharedSupported(),
1548                                                                         getStorageManager(),
1549                                                                         getAccount(),
1550                                                                         getApplicationContext()
1551                                                                       );
1552         synchFolderOp.execute(getAccount(), this, null, null);
1553
1554         setSupportProgressBarIndeterminateVisibility(true);
1555
1556         setBackgroundText();
1557     }
1558
1559     /**
1560      * Show untrusted cert dialog
1561      */
1562     public void showUntrustedCertDialog(RemoteOperationResult result) {
1563         // Show a dialog with the certificate info
1564         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1565         FragmentManager fm = getSupportFragmentManager();
1566         FragmentTransaction ft = fm.beginTransaction();
1567         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1568     }
1569
1570     private void requestForDownload(OCFile file) {
1571         Account account = getAccount();
1572         if (!mDownloaderBinder.isDownloading(account, file)) {
1573             Intent i = new Intent(this, FileDownloader.class);
1574             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1575             i.putExtra(FileDownloader.EXTRA_FILE, file);
1576             startService(i);
1577         }
1578     }
1579
1580     private void sendDownloadedFile(){
1581         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1582         mWaitingToSend = null;
1583     }
1584
1585
1586     /**
1587      * Requests the download of the received {@link OCFile} , updates the UI
1588      * to monitor the download progress and prepares the activity to send the file
1589      * when the download finishes.
1590      *
1591      * @param file          {@link OCFile} to download and preview.
1592      */
1593     public void startDownloadForSending(OCFile file) {
1594         mWaitingToSend = file;
1595         requestForDownload(mWaitingToSend);
1596         boolean hasSecondFragment = (getSecondFragment()!= null);
1597         updateFragmentsVisibility(hasSecondFragment);
1598     }
1599
1600     /**
1601      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1602      *
1603      * @param file                      Image {@link OCFile} to show.
1604      */
1605     public void startImagePreview(OCFile file) {
1606         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1607         showDetailsIntent.putExtra(EXTRA_FILE, file);
1608         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1609         startActivity(showDetailsIntent);
1610
1611     }
1612
1613     /**
1614      * Stars the preview of an already down media {@link OCFile}.
1615      *
1616      * @param file                      Media {@link OCFile} to preview.
1617      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1618      * @param autoplay                  When 'true', the playback will start without user interactions.
1619      */
1620     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1621         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1622         setSecondFragment(mediaFragment);
1623         updateFragmentsVisibility(true);
1624         updateNavigationElementsInActionBar(file);
1625         setFile(file);
1626     }
1627
1628     /**
1629      * Requests the download of the received {@link OCFile} , updates the UI
1630      * to monitor the download progress and prepares the activity to preview
1631      * or open the file when the download finishes.
1632      *
1633      * @param file          {@link OCFile} to download and preview.
1634      */
1635     public void startDownloadForPreview(OCFile file) {
1636         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1637         setSecondFragment(detailFragment);
1638         mWaitingToPreview = file;
1639         requestForDownload();
1640         updateFragmentsVisibility(true);
1641         updateNavigationElementsInActionBar(file);
1642         setFile(file);
1643     }
1644
1645
1646     public void cancelTransference(OCFile file) {
1647         getFileOperationsHelper().cancelTransference(file);
1648         if (mWaitingToPreview != null &&
1649                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1650             mWaitingToPreview = null;
1651         }
1652         if (mWaitingToSend != null &&
1653                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1654             mWaitingToSend = null;
1655         }
1656         onTransferStateChanged(file, false, false);
1657     }
1658
1659     @Override
1660     public void onRefresh() {
1661         OCFileListFragment listOfFiles = getListOfFilesFragment();
1662         if (listOfFiles != null) {
1663             OCFile folder = listOfFiles.getCurrentFile();
1664             if (folder != null) {
1665                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1666                 listDirectory(mFile);*/
1667                 startSyncFolderOperation(folder);
1668             }
1669         }
1670     }
1671
1672 }