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