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