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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22 import java.io.IOException;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.app.AlertDialog;
  29 import android.app.Dialog;
  30 import android.app.ProgressDialog;
  31 import android.content.BroadcastReceiver;
  32 import android.content.ComponentName;
  33 import android.content.ContentResolver;
  34 import android.content.Context;
  35 import android.content.DialogInterface;
  36 import android.content.Intent;
  37 import android.content.IntentFilter;
  38 import android.content.ServiceConnection;
  39 import android.content.SharedPreferences;
  40 import android.content.SyncRequest;
  41 import android.content.res.Resources.NotFoundException;
  42 import android.database.Cursor;
  43 import android.net.Uri;
  44 import android.os.Bundle;
  45 import android.os.IBinder;
  46 import android.preference.PreferenceManager;
  47 import android.provider.MediaStore;
  48 import android.support.v4.app.Fragment;
  49 import android.support.v4.app.FragmentManager;
  50 import android.support.v4.app.FragmentTransaction;
  51 import android.util.Log;
  52 import android.view.View;
  53 import android.view.ViewGroup;
  54 import android.widget.ArrayAdapter;
  55 import android.widget.TextView;
  56 import android.widget.Toast;
  57
  58 import com.actionbarsherlock.app.ActionBar;
  59 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  60 import com.actionbarsherlock.view.Menu;
  61 import com.actionbarsherlock.view.MenuInflater;
  62 import com.actionbarsherlock.view.MenuItem;
  63 import com.actionbarsherlock.view.Window;
  64 import com.owncloud.android.BuildConfig;
  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, OnSslUntrustedCertListener {
 114
 115     private ArrayAdapter<String> mDirectories;
 116
 117     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 118     private UploadFinishReceiver mUploadFinishReceiver;
 119     private DownloadFinishReceiver mDownloadFinishReceiver;
 120     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 121
 122     private boolean mDualPane;
 123     private View mLeftFragmentContainer;
 124     private View mRightFragmentContainer;
 125
 126     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 127     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 128     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 129
 130     public static final int DIALOG_SHORT_WAIT = 0;
 131     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 132     private static final int DIALOG_CERT_NOT_SAVED = 2;
 133
 134     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 135
 136     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 137     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 138
 139     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 140
 141     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 142     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 143
 144     private OCFile mWaitingToPreview;
 145
 146     private boolean mSyncInProgress = false;
 147
 148     private String DIALOG_UNTRUSTED_CERT;
 149
 150     private OCFile mWaitingToSend;
 151
 152     @Override
 153     protected void onCreate(Bundle savedInstanceState) {
 154         Log_OC.d(TAG, "onCreate() start");
 155         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 156
 157         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 158
 159         // PIN CODE request ;  best location is to decide, let's try this first
 160         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 161             requestPinCode();
 162         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 163             requestPinCode();
 164         }
 165
 166         /// grant that FileObserverService is watching favourite files
 167         if (savedInstanceState == null) {
 168             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 169             startService(initObserversIntent);
 170         }
 171
 172         /// Load of saved instance state
 173         if(savedInstanceState != null) {
 174             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 175             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 176             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 177
 178         } else {
 179             mWaitingToPreview = null;
 180             mSyncInProgress = false;
 181             mWaitingToSend = null;
 182         }
 183
 184         /// USER INTERFACE
 185
 186         // Inflate and set the layout view
 187         setContentView(R.layout.files);
 188         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 189         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 190         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 191         if (savedInstanceState == null) {
 192             createMinFragments();
 193         }
 194
 195         // Action bar setup
 196         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 197         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 198         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 199
 200         setBackgroundText();
 201
 202         Log_OC.d(TAG, "onCreate() end");
 203     }
 204
 205     @Override
 206     protected void onStart() {
 207         super.onStart();
 208         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 209     }
 210
 211     @Override
 212     protected void onDestroy() {
 213         super.onDestroy();
 214     }
 215
 216     /**
 217      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 218      */
 219     @Override
 220     protected void onAccountSet(boolean stateWasRecovered) {
 221         super.onAccountSet(stateWasRecovered);
 222         if (getAccount() != null) {
 223             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 224             OCFile file = getFile();
 225             // get parent from path
 226             String parentPath = "";
 227             if (file != null) {
 228                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 229                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 230                     // get parent from path
 231                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 232                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 233                         file = null; // not able to know the directory where the file is uploading
 234                 } else {
 235                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 236                 }
 237             }
 238             if (file == null) {
 239                 // fall back to root folder
 240                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 241             }
 242             setFile(file);
 243             setNavigationListWithFolder(file);
 244
 245             if (!stateWasRecovered) {
 246                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 247                 initFragmentsWithFile();
 248                 if (file.isFolder()) {
 249                     startSyncFolderOperation(file);
 250                 }
 251
 252             } else {
 253                 updateFragmentsVisibility(!file.isFolder());
 254                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 255             }
 256         }
 257     }
 258
 259
 260     private void setNavigationListWithFolder(OCFile file) {
 261         mDirectories.clear();
 262         OCFile fileIt = file;
 263         String parentPath;
 264         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 265             if (fileIt.isFolder()) {
 266                 mDirectories.add(fileIt.getFileName());
 267             }
 268             // get parent from path
 269             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 270             fileIt = getStorageManager().getFileByPath(parentPath);
 271         }
 272         mDirectories.add(OCFile.PATH_SEPARATOR);
 273     }
 274
 275
 276     private void createMinFragments() {
 277         OCFileListFragment listOfFiles = new OCFileListFragment();
 278         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 279         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 280         transaction.commit();
 281     }
 282
 283     private void initFragmentsWithFile() {
 284         if (getAccount() != null && getFile() != null) {
 285             /// First fragment
 286             OCFileListFragment listOfFiles = getListOfFilesFragment();
 287             if (listOfFiles != null) {
 288                 listOfFiles.listDirectory(getCurrentDir());
 289             } else {
 290                 Log_OC.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 291             }
 292
 293             /// Second fragment
 294             OCFile file = getFile();
 295             Fragment secondFragment = chooseInitialSecondFragment(file);
 296             if (secondFragment != null) {
 297                 setSecondFragment(secondFragment);
 298                 updateFragmentsVisibility(true);
 299                 updateNavigationElementsInActionBar(file);
 300
 301             } else {
 302                 cleanSecondFragment();
 303             }
 304
 305         } else {
 306             Log_OC.wtf(TAG, "initFragments() called with invalid NULLs!");
 307             if (getAccount() == null) {
 308                 Log_OC.wtf(TAG, "\t account is NULL");
 309             }
 310             if (getFile() == null) {
 311                 Log_OC.wtf(TAG, "\t file is NULL");
 312             }
 313         }
 314     }
 315
 316     private Fragment chooseInitialSecondFragment(OCFile file) {
 317         Fragment secondFragment = null;
 318         if (file != null && !file.isFolder()) {
 319             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 320                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 321                     ) {
 322                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 323                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 324                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 325
 326             } else {
 327                 secondFragment = new FileDetailFragment(file, getAccount());
 328             }
 329         }
 330         return secondFragment;
 331     }
 332
 333
 334     /**
 335      * Replaces the second fragment managed by the activity with the received as
 336      * a parameter.
 337      *
 338      * Assumes never will be more than two fragments managed at the same time.
 339      *
 340      * @param fragment      New second Fragment to set.
 341      */
 342     private void setSecondFragment(Fragment fragment) {
 343         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 344         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 345         transaction.commit();
 346     }
 347
 348
 349     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 350         if (mDualPane) {
 351             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 352                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 353             }
 354             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 355                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 356             }
 357
 358         } else if (existsSecondFragment) {
 359             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 360                 mLeftFragmentContainer.setVisibility(View.GONE);
 361             }
 362             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 363                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 364             }
 365
 366         } else {
 367             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 368                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 369             }
 370             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 371                 mRightFragmentContainer.setVisibility(View.GONE);
 372             }
 373         }
 374     }
 375
 376
 377     private OCFileListFragment getListOfFilesFragment() {
 378         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 379         if (listOfFiles != null) {
 380             return (OCFileListFragment)listOfFiles;
 381         }
 382         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 383         return null;
 384     }
 385
 386     public FileFragment getSecondFragment() {
 387         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 388         if (second != null) {
 389             return (FileFragment)second;
 390         }
 391         return null;
 392     }
 393
 394     protected void cleanSecondFragment() {
 395         Fragment second = getSecondFragment();
 396         if (second != null) {
 397             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 398             tr.remove(second);
 399             tr.commit();
 400         }
 401         updateFragmentsVisibility(false);
 402         updateNavigationElementsInActionBar(null);
 403     }
 404
 405     protected void refreshListOfFilesFragment() {
 406         OCFileListFragment fileListFragment = getListOfFilesFragment();
 407         if (fileListFragment != null) {
 408             fileListFragment.listDirectory();
 409         }
 410     }
 411
 412     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 413         FileFragment secondFragment = getSecondFragment();
 414         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 415         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 416             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 417             OCFile fileInFragment = detailsFragment.getFile();
 418             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 419                 // the user browsed to other file ; forget the automatic preview
 420                 mWaitingToPreview = null;
 421
 422             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 423                 // grant that the right panel updates the progress bar
 424                 detailsFragment.listenForTransferProgress();
 425                 detailsFragment.updateFileDetails(true, false);
 426
 427             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 428                 //  update the right panel
 429                 boolean detailsFragmentChanged = false;
 430                 if (waitedPreview) {
 431                     if (success) {
 432                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 433                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 434                             startMediaPreview(mWaitingToPreview, 0, true);
 435                             detailsFragmentChanged = true;
 436                         } else {
 437                             getFileOperationsHelper().openFile(mWaitingToPreview);
 438                         }
 439                     }
 440                     mWaitingToPreview = null;
 441                 }
 442                 if (!detailsFragmentChanged) {
 443                     detailsFragment.updateFileDetails(false, (success));
 444                 }
 445             }
 446         }
 447     }
 448
 449     @Override
 450     public boolean onPrepareOptionsMenu(Menu menu) {
 451         if (BuildConfig.DEBUG) {
 452             menu.findItem(R.id.action_logger).setVisible(true);
 453         } else {
 454             menu.findItem(R.id.action_logger).setVisible(false);
 455         }
 456         return super.onPrepareOptionsMenu(menu);
 457     }
 458
 459     @Override
 460     public boolean onCreateOptionsMenu(Menu menu) {
 461         MenuInflater inflater = getSherlock().getMenuInflater();
 462         inflater.inflate(R.menu.main_menu, menu);
 463         return true;
 464     }
 465
 466     @Override
 467     public boolean onOptionsItemSelected(MenuItem item) {
 468         boolean retval = true;
 469         switch (item.getItemId()) {
 470         case R.id.action_create_dir: {
 471             CreateFolderDialogFragment dialog =
 472                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 473             dialog.show(getSupportFragmentManager(), "createdirdialog");
 474             break;
 475         }
 476         case R.id.action_sync_account: {
 477             startSynchronization();
 478             break;
 479         }
 480         case R.id.action_upload: {
 481             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 482             break;
 483         }
 484         case R.id.action_settings: {
 485             Intent settingsIntent = new Intent(this, Preferences.class);
 486             startActivity(settingsIntent);
 487             break;
 488         }
 489         case R.id.action_logger: {
 490             Intent loggerIntent = new Intent(getApplicationContext(),LogHistoryActivity.class);
 491             startActivity(loggerIntent);
 492             break;
 493         }
 494         case android.R.id.home: {
 495             FileFragment second = getSecondFragment();
 496             OCFile currentDir = getCurrentDir();
 497             if((currentDir != null && currentDir.getParentId() != 0) ||
 498                     (second != null && second.getFile() != null)) {
 499                 onBackPressed();
 500
 501             }
 502             break;
 503         }
 504         default:
 505             retval = super.onOptionsItemSelected(item);
 506         }
 507         return retval;
 508     }
 509
 510     private void startSynchronization() {
 511         Log_OC.e(TAG, "Got to start sync");
 512         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 513             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 514             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 515             Bundle bundle = new Bundle();
 516             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 517             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 518             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 519             ContentResolver.requestSync(
 520                     getAccount(),
 521                     MainApp.getAuthority(), bundle);
 522         } else {
 523             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 524             SyncRequest.Builder builder = new SyncRequest.Builder();
 525             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 526             builder.setExpedited(true);
 527             builder.setManual(true);
 528             builder.syncOnce();
 529             SyncRequest request = builder.build();
 530             ContentResolver.requestSync(request);
 531         }
 532     }
 533
 534
 535     @Override
 536     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 537         if (itemPosition != 0) {
 538             String targetPath = "";
 539             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 540                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 541             }
 542             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 543             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 544             if (targetFolder != null) {
 545                 browseTo(targetFolder);
 546             }
 547
 548             // the next operation triggers a new call to this method, but it's necessary to
 549             // ensure that the name exposed in the action bar is the current directory when the
 550             // user selected it in the navigation list
 551             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 552                 getSupportActionBar().setSelectedNavigationItem(0);
 553         }
 554         return true;
 555     }
 556
 557     /**
 558      * Called, when the user selected something for uploading
 559      */
 560     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 561         super.onActivityResult(requestCode, resultCode, data);
 562
 563         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 564             requestSimpleUpload(data, resultCode);
 565
 566         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 567             requestMultipleUpload(data, resultCode);
 568
 569         }
 570     }
 571
 572     private void requestMultipleUpload(Intent data, int resultCode) {
 573         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 574         if (filePaths != null) {
 575             String[] remotePaths = new String[filePaths.length];
 576             String remotePathBase = "";
 577             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 578                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 579             }
 580             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 581                 remotePathBase += OCFile.PATH_SEPARATOR;
 582             for (int j = 0; j< remotePaths.length; j++) {
 583                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 584             }
 585
 586             Intent i = new Intent(this, FileUploader.class);
 587             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 588             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 589             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 590             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 591             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 592                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 593             startService(i);
 594
 595         } else {
 596             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 597             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 598             t.show();
 599             return;
 600         }
 601     }
 602
 603
 604     private void requestSimpleUpload(Intent data, int resultCode) {
 605         String filepath = null;
 606         try {
 607             Uri selectedImageUri = data.getData();
 608
 609             String filemanagerstring = selectedImageUri.getPath();
 610             String selectedImagePath = getPath(selectedImageUri);
 611
 612             if (selectedImagePath != null)
 613                 filepath = selectedImagePath;
 614             else
 615                 filepath = filemanagerstring;
 616
 617         } catch (Exception e) {
 618             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 619             e.printStackTrace();
 620
 621         } finally {
 622             if (filepath == null) {
 623                 Log_OC.e(TAG, "Couldnt resolve path to file");
 624                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 625                 t.show();
 626                 return;
 627             }
 628         }
 629
 630         Intent i = new Intent(this, FileUploader.class);
 631         i.putExtra(FileUploader.KEY_ACCOUNT,
 632                 getAccount());
 633         String remotepath = new String();
 634         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 635             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 636         }
 637         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 638             remotepath += OCFile.PATH_SEPARATOR;
 639         remotepath += new File(filepath).getName();
 640
 641         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 642         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 643         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 644         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 645             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 646         startService(i);
 647     }
 648
 649     @Override
 650     public void onBackPressed() {
 651         OCFileListFragment listOfFiles = getListOfFilesFragment();
 652         if (mDualPane || getSecondFragment() == null) {
 653             if (listOfFiles != null) {  // should never be null, indeed
 654                 if (mDirectories.getCount() <= 1) {
 655                     finish();
 656                     return;
 657                 }
 658                 int levelsUp = listOfFiles.onBrowseUp();
 659                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 660                     popDirname();
 661                 }
 662             }
 663         }
 664         if (listOfFiles != null) {  // should never be null, indeed
 665             setFile(listOfFiles.getCurrentFile());
 666         }
 667         cleanSecondFragment();
 668
 669     }
 670
 671     @Override
 672     protected void onSaveInstanceState(Bundle outState) {
 673         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 674         Log_OC.e(TAG, "onSaveInstanceState() start");
 675         super.onSaveInstanceState(outState);
 676         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 677         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 678         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 679         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 680
 681         Log_OC.d(TAG, "onSaveInstanceState() end");
 682     }
 683
 684
 685
 686     @Override
 687     protected void onResume() {
 688         super.onResume();
 689         Log_OC.e(TAG, "onResume() start");
 690
 691         // refresh list of files
 692         refreshListOfFilesFragment();
 693
 694         // Listen for sync messages
 695         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 696         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 697         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 698         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 699         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 700         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 701         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 702         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 703
 704         // Listen for upload messages
 705         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 706         mUploadFinishReceiver = new UploadFinishReceiver();
 707         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 708
 709         // Listen for download messages
 710         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 711         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 712         mDownloadFinishReceiver = new DownloadFinishReceiver();
 713         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 714
 715         Log_OC.d(TAG, "onResume() end");
 716     }
 717
 718
 719     @Override
 720     protected void onPause() {
 721         Log_OC.e(TAG, "onPause() start");
 722         if (mSyncBroadcastReceiver != null) {
 723             unregisterReceiver(mSyncBroadcastReceiver);
 724             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 725             mSyncBroadcastReceiver = null;
 726         }
 727         if (mUploadFinishReceiver != null) {
 728             unregisterReceiver(mUploadFinishReceiver);
 729             mUploadFinishReceiver = null;
 730         }
 731         if (mDownloadFinishReceiver != null) {
 732             unregisterReceiver(mDownloadFinishReceiver);
 733             mDownloadFinishReceiver = null;
 734         }
 735
 736
 737         Log_OC.d(TAG, "onPause() end");
 738         super.onPause();
 739     }
 740
 741
 742     @Override
 743     protected Dialog onCreateDialog(int id) {
 744         Dialog dialog = null;
 745         AlertDialog.Builder builder;
 746         switch (id) {
 747         case DIALOG_SHORT_WAIT: {
 748             ProgressDialog working_dialog = new ProgressDialog(this);
 749             working_dialog.setMessage(getResources().getString(
 750                     R.string.wait_a_moment));
 751             working_dialog.setIndeterminate(true);
 752             working_dialog.setCancelable(false);
 753             dialog = working_dialog;
 754             break;
 755         }
 756         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 757
 758
 759             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 760                     getString(R.string.actionbar_upload_from_apps) };
 761
 762             builder = new AlertDialog.Builder(this);
 763             builder.setTitle(R.string.actionbar_upload);
 764             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 765                 public void onClick(DialogInterface dialog, int item) {
 766                     if (item == 0) {
 767                         // if (!mDualPane) {
 768                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 769                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 770                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 771                             // } else {
 772                             // TODO create and handle new fragment
 773                             // LocalFileListFragment
 774                             // }
 775                     } else if (item == 1) {
 776                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 777                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 778                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 779                                 ACTION_SELECT_CONTENT_FROM_APPS);
 780                     }
 781                 }
 782             });
 783             dialog = builder.create();
 784             break;
 785         }
 786         case DIALOG_CERT_NOT_SAVED: {
 787             builder = new AlertDialog.Builder(this);
 788             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 789             builder.setCancelable(false);
 790             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 791                 @Override
 792                 public void onClick(DialogInterface dialog, int which) {
 793                     dialog.dismiss();
 794                 };
 795             });
 796             dialog = builder.create();
 797             break;
 798         }
 799         default:
 800             dialog = null;
 801         }
 802
 803         return dialog;
 804     }
 805
 806
 807     /**
 808      * Translates a content URI of an image to a physical path
 809      * on the disk
 810      * @param uri The URI to resolve
 811      * @return The path to the image or null if it could not be found
 812      */
 813     public String getPath(Uri uri) {
 814         String[] projection = { MediaStore.Images.Media.DATA };
 815         Cursor cursor = managedQuery(uri, projection, null, null, null);
 816         if (cursor != null) {
 817             int column_index = cursor
 818                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 819             cursor.moveToFirst();
 820             return cursor.getString(column_index);
 821         }
 822         return null;
 823     }
 824
 825     /**
 826      * Pushes a directory to the drop down list
 827      * @param directory to push
 828      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 829      */
 830     public void pushDirname(OCFile directory) {
 831         if(!directory.isFolder()){
 832             throw new IllegalArgumentException("Only directories may be pushed!");
 833         }
 834         mDirectories.insert(directory.getFileName(), 0);
 835         setFile(directory);
 836     }
 837
 838     /**
 839      * Pops a directory name from the drop down list
 840      * @return True, unless the stack is empty
 841      */
 842     public boolean popDirname() {
 843         mDirectories.remove(mDirectories.getItem(0));
 844         return !mDirectories.isEmpty();
 845     }
 846
 847     // Custom array adapter to override text colors
 848     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 849
 850         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 851             super(ctx, view);
 852         }
 853
 854         public View getView(int position, View convertView, ViewGroup parent) {
 855             View v = super.getView(position, convertView, parent);
 856
 857             ((TextView) v).setTextColor(getResources().getColorStateList(
 858                     android.R.color.white));
 859
 860             fixRoot((TextView) v );
 861             return v;
 862         }
 863
 864         public View getDropDownView(int position, View convertView,
 865                 ViewGroup parent) {
 866             View v = super.getDropDownView(position, convertView, parent);
 867
 868             ((TextView) v).setTextColor(getResources().getColorStateList(
 869                     android.R.color.white));
 870
 871             fixRoot((TextView) v );
 872             return v;
 873         }
 874
 875         private void fixRoot(TextView v) {
 876             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 877                 v.setText(R.string.default_display_name_for_root_folder);
 878             }
 879         }
 880
 881     }
 882
 883     private class SyncBroadcastReceiver extends BroadcastReceiver {
 884
 885         /**
 886          * {@link BroadcastReceiver} to enable syncing feedback in UI
 887          */
 888         @Override
 889         public void onReceive(Context context, Intent intent) {
 890             try {
 891                 String event = intent.getAction();
 892                 Log_OC.d(TAG, "Received broadcast " + event);
 893                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 894                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 895                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 896                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 897
 898                 if (sameAccount) {
 899
 900                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 901                         mSyncInProgress = true;
 902
 903                     } else {
 904                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 905                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 906
 907                         if (currentDir == null) {
 908                             // current folder was removed from the server
 909                             Toast.makeText( FileDisplayActivity.this,
 910                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 911                                             Toast.LENGTH_LONG)
 912                                 .show();
 913                             browseToRoot();
 914
 915                         } else {
 916                             if (currentFile == null && !getFile().isFolder()) {
 917                                 // currently selected file was removed in the server, and now we know it
 918                                 cleanSecondFragment();
 919                                 currentFile = currentDir;
 920                             }
 921
 922                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 923                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 924                                 if (fileListFragment != null) {
 925                                     fileListFragment.listDirectory(currentDir);
 926                                 }
 927                             }
 928                             setFile(currentFile);
 929                         }
 930
 931                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 932
 933                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 934                                     equals(event) &&
 935                                 /// TODO refactor and make common
 936                                 synchResult != null && !synchResult.isSuccess() &&
 937                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 938                                     synchResult.isIdPRedirection()                  ||
 939                                     (synchResult.isException() && synchResult.getException()
 940                                             instanceof AuthenticatorException))) {
 941
 942                             OwnCloudClient client = null;
 943                             try {
 944                                 OwnCloudAccount ocAccount =
 945                                         new OwnCloudAccount(getAccount(), context);
 946                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 947                                         removeClientFor(ocAccount));
 948                                 // TODO get rid of these exceptions
 949                             } catch (AccountNotFoundException e) {
 950                                 e.printStackTrace();
 951                             } catch (AuthenticatorException e) {
 952                                 e.printStackTrace();
 953                             } catch (OperationCanceledException e) {
 954                                 e.printStackTrace();
 955                             } catch (IOException e) {
 956                                 e.printStackTrace();
 957                             }
 958
 959                             if (client != null) {
 960                                 OwnCloudCredentials cred = client.getCredentials();
 961                                 if (cred != null) {
 962                                     AccountManager am = AccountManager.get(context);
 963                                     if (cred.authTokenExpires()) {
 964                                         am.invalidateAuthToken(
 965                                                 getAccount().type,
 966                                                 cred.getAuthToken()
 967                                         );
 968                                     } else {
 969                                         am.clearPassword(getAccount());
 970                                     }
 971                                 }
 972                             }
 973
 974                             requestCredentialsUpdate();
 975
 976                         }
 977                     }
 978                     removeStickyBroadcast(intent);
 979                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 980                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 981
 982                     setBackgroundText();
 983
 984                 }
 985
 986                 if (synchResult != null) {
 987                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 988                         mLastSslUntrustedServerResult = synchResult;
 989                     }
 990                 }
 991             } catch (RuntimeException e) {
 992                 // avoid app crashes after changing the serial id of RemoteOperationResult
 993                 // in owncloud library with broadcast notifications pending to process
 994                 removeStickyBroadcast(intent);
 995             }
 996         }
 997     }
 998
 999     /**
1000      * Show a text message on screen view for notifying user if content is
1001      * loading or folder is empty
1002      */
1003     private void setBackgroundText() {
1004         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1005         if (ocFileListFragment != null) {
1006             int message = R.string.file_list_loading;
1007             if (!mSyncInProgress) {
1008                 // In case file list is empty
1009                 message = R.string.file_list_empty;
1010             }
1011             ocFileListFragment.setMessageForEmptyList(getString(message));
1012         } else {
1013             Log_OC.e(TAG, "OCFileListFragment is null");
1014         }
1015     }
1016
1017     /**
1018      * Once the file upload has finished -> update view
1019      */
1020     private class UploadFinishReceiver extends BroadcastReceiver {
1021         /**
1022          * Once the file upload has finished -> update view
1023          *  @author David A. Velasco
1024          * {@link BroadcastReceiver} to enable upload feedback in UI
1025          */
1026         @Override
1027         public void onReceive(Context context, Intent intent) {
1028             try {
1029                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1030                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1031                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1032                 OCFile currentDir = getCurrentDir();
1033                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1034                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1035
1036                 if (sameAccount && isDescendant) {
1037                     refreshListOfFilesFragment();
1038                 }
1039
1040                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1041                 boolean renamedInUpload = getFile().getRemotePath().
1042                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1043                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1044                         renamedInUpload;
1045                 FileFragment details = getSecondFragment();
1046                 boolean detailFragmentIsShown = (details != null &&
1047                         details instanceof FileDetailFragment);
1048
1049                 if (sameAccount && sameFile && detailFragmentIsShown) {
1050                     if (uploadWasFine) {
1051                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1052                     }
1053                     if (renamedInUpload) {
1054                         String newName = (new File(uploadedRemotePath)).getName();
1055                         Toast msg = Toast.makeText(
1056                                 context,
1057                                 String.format(
1058                                         getString(R.string.filedetails_renamed_in_upload_msg),
1059                                         newName),
1060                                 Toast.LENGTH_LONG);
1061                         msg.show();
1062                     }
1063                     if (uploadWasFine || getFile().fileExists()) {
1064                         ((FileDetailFragment)details).updateFileDetails(false, true);
1065                     } else {
1066                         cleanSecondFragment();
1067                     }
1068
1069                     // Force the preview if the file is an image
1070                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1071                         startImagePreview(getFile());
1072                     } // TODO what about other kind of previews?
1073                 }
1074
1075             } finally {
1076                 if (intent != null) {
1077                     removeStickyBroadcast(intent);
1078                 }
1079             }
1080
1081         }
1082
1083     }
1084
1085
1086     /**
1087      * Class waiting for broadcast events from the {@link FielDownloader} service.
1088      *
1089      * Updates the UI when a download is started or finished, provided that it is relevant for the
1090      * current folder.
1091      */
1092     private class DownloadFinishReceiver extends BroadcastReceiver {
1093         @Override
1094         public void onReceive(Context context, Intent intent) {
1095             try {
1096                 boolean sameAccount = isSameAccount(context, intent);
1097                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1098                 boolean isDescendant = isDescendant(downloadedRemotePath);
1099
1100                 if (sameAccount && isDescendant) {
1101                     refreshListOfFilesFragment();
1102                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1103                 }
1104
1105                 if (mWaitingToSend != null) {
1106                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1107                     if (mWaitingToSend.isDown()) {
1108                         sendDownloadedFile();
1109                     }
1110                 }
1111
1112             } finally {
1113                 if (intent != null) {
1114                     removeStickyBroadcast(intent);
1115                 }
1116             }
1117         }
1118
1119         private boolean isDescendant(String downloadedRemotePath) {
1120             OCFile currentDir = getCurrentDir();
1121             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1122         }
1123
1124         private boolean isSameAccount(Context context, Intent intent) {
1125             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1126             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1127         }
1128     }
1129
1130
1131     public void browseToRoot() {
1132         OCFileListFragment listOfFiles = getListOfFilesFragment();
1133         if (listOfFiles != null) {  // should never be null, indeed
1134             while (mDirectories.getCount() > 1) {
1135                 popDirname();
1136             }
1137             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1138             listOfFiles.listDirectory(root);
1139             setFile(listOfFiles.getCurrentFile());
1140             startSyncFolderOperation(root);
1141         }
1142         cleanSecondFragment();
1143     }
1144
1145
1146     public void browseTo(OCFile folder) {
1147         if (folder == null || !folder.isFolder()) {
1148             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1149         }
1150         OCFileListFragment listOfFiles = getListOfFilesFragment();
1151         if (listOfFiles != null) {
1152             setNavigationListWithFolder(folder);
1153             listOfFiles.listDirectory(folder);
1154             setFile(listOfFiles.getCurrentFile());
1155             startSyncFolderOperation(folder);
1156         } else {
1157             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1158         }
1159         cleanSecondFragment();
1160     }
1161
1162
1163     /**
1164      * {@inheritDoc}
1165      *
1166      * Updates action bar and second fragment, if in dual pane mode.
1167      */
1168     @Override
1169     public void onBrowsedDownTo(OCFile directory) {
1170         pushDirname(directory);
1171         cleanSecondFragment();
1172
1173         // Sync Folder
1174         startSyncFolderOperation(directory);
1175
1176     }
1177
1178     /**
1179      * Shows the information of the {@link OCFile} received as a
1180      * parameter in the second fragment.
1181      *
1182      * @param file          {@link OCFile} whose details will be shown
1183      */
1184     @Override
1185     public void showDetails(OCFile file) {
1186         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1187         setSecondFragment(detailFragment);
1188         updateFragmentsVisibility(true);
1189         updateNavigationElementsInActionBar(file);
1190         setFile(file);
1191     }
1192
1193
1194     /**
1195      * TODO
1196      */
1197     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1198         ActionBar actionBar = getSupportActionBar();
1199         if (chosenFile == null || mDualPane) {
1200             // only list of files - set for browsing through folders
1201             OCFile currentDir = getCurrentDir();
1202             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1203             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1204             actionBar.setDisplayShowTitleEnabled(!noRoot);
1205             if (!noRoot) {
1206                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1207             }
1208             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1209             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1210
1211         } else {
1212             actionBar.setDisplayHomeAsUpEnabled(true);
1213             actionBar.setDisplayShowTitleEnabled(true);
1214             actionBar.setTitle(chosenFile.getFileName());
1215             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1216         }
1217     }
1218
1219
1220     @Override
1221     protected ServiceConnection newTransferenceServiceConnection() {
1222         return new ListServiceConnection();
1223     }
1224
1225     /** Defines callbacks for service binding, passed to bindService() */
1226     private class ListServiceConnection implements ServiceConnection {
1227
1228         @Override
1229         public void onServiceConnected(ComponentName component, IBinder service) {
1230             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1231                 Log_OC.d(TAG, "Download service connected");
1232                 mDownloaderBinder = (FileDownloaderBinder) service;
1233                 if (mWaitingToPreview != null)
1234                     if (getStorageManager() != null) {
1235                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1236                         if (!mWaitingToPreview.isDown()) {
1237                             requestForDownload();
1238                         }
1239                 }
1240
1241             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1242                 Log_OC.d(TAG, "Upload service connected");
1243                 mUploaderBinder = (FileUploaderBinder) service;
1244             } else {
1245                 return;
1246             }
1247             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1248             OCFileListFragment listOfFiles = getListOfFilesFragment();
1249             if (listOfFiles != null) {
1250                 listOfFiles.listDirectory();
1251             }
1252             FileFragment secondFragment = getSecondFragment();
1253             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1254                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1255                 detailFragment.listenForTransferProgress();
1256                 detailFragment.updateFileDetails(false, false);
1257             }
1258         }
1259
1260         @Override
1261         public void onServiceDisconnected(ComponentName component) {
1262             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1263                 Log_OC.d(TAG, "Download service disconnected");
1264                 mDownloaderBinder = null;
1265             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1266                 Log_OC.d(TAG, "Upload service disconnected");
1267                 mUploaderBinder = null;
1268             }
1269         }
1270     };
1271
1272
1273
1274     /**
1275      * Launch an intent to request the PIN code to the user before letting him use the app
1276      */
1277     private void requestPinCode() {
1278         boolean pinStart = false;
1279         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1280         pinStart = appPrefs.getBoolean("set_pincode", false);
1281         if (pinStart) {
1282             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1283             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1284             startActivity(i);
1285         }
1286     }
1287
1288
1289     @Override
1290     public void onSavedCertificate() {
1291         startSyncFolderOperation(getCurrentDir());
1292     }
1293
1294
1295     @Override
1296     public void onFailedSavingCertificate() {
1297         showDialog(DIALOG_CERT_NOT_SAVED);
1298     }
1299
1300     @Override
1301     public void onCancelCertificate() {
1302         // nothing to do
1303     }
1304
1305     /**
1306      * Updates the view associated to the activity after the finish of some operation over files
1307      * in the current account.
1308      *
1309      * @param operation     Removal operation performed.
1310      * @param result        Result of the removal.
1311      */
1312     @Override
1313     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1314         super.onRemoteOperationFinish(operation, result);
1315
1316         if (operation instanceof RemoveFileOperation) {
1317             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1318
1319         } else if (operation instanceof RenameFileOperation) {
1320             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1321
1322         } else if (operation instanceof SynchronizeFileOperation) {
1323             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1324
1325         } else if (operation instanceof CreateFolderOperation) {
1326             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1327
1328         } else if (operation instanceof CreateShareOperation) {
1329             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1330
1331         } else if (operation instanceof UnshareLinkOperation) {
1332             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1333
1334         }
1335
1336     }
1337
1338
1339     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1340         if (result.isSuccess()) {
1341             refreshShowDetails();
1342             refreshListOfFilesFragment();
1343         }
1344     }
1345
1346
1347     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1348         if (result.isSuccess()) {
1349             refreshShowDetails();
1350             refreshListOfFilesFragment();
1351
1352         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1353             cleanSecondFragment();
1354             refreshListOfFilesFragment();
1355         }
1356     }
1357
1358     private void refreshShowDetails() {
1359         FileFragment details = getSecondFragment();
1360         if (details != null) {
1361             OCFile file = details.getFile();
1362             if (file != null) {
1363                 file = getStorageManager().getFileByPath(file.getRemotePath());
1364                 if (details instanceof PreviewMediaFragment) {
1365                     // Refresh  OCFile of the fragment
1366                     ((PreviewMediaFragment) details).updateFile(file);
1367                 } else {
1368                     showDetails(file);
1369                 }
1370             }
1371             invalidateOptionsMenu();
1372         }
1373     }
1374
1375     /**
1376      * Updates the view associated to the activity after the finish of an operation trying to remove a
1377      * file.
1378      *
1379      * @param operation     Removal operation performed.
1380      * @param result        Result of the removal.
1381      */
1382     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1383         dismissLoadingDialog();
1384
1385         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1386                 Toast.LENGTH_LONG);
1387         msg.show();
1388
1389         if (result.isSuccess()) {
1390             OCFile removedFile = operation.getFile();
1391             FileFragment second = getSecondFragment();
1392             if (second != null && removedFile.equals(second.getFile())) {
1393                 if (second instanceof PreviewMediaFragment) {
1394                     ((PreviewMediaFragment)second).stopPreview(true);
1395                 }
1396                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1397                 cleanSecondFragment();
1398             }
1399             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1400                 refreshListOfFilesFragment();
1401             }
1402             invalidateOptionsMenu();
1403         } else {
1404             if (result.isSslRecoverableException()) {
1405                 mLastSslUntrustedServerResult = result;
1406                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1407             }
1408         }
1409     }
1410
1411
1412     /**
1413      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1414      *
1415      * @param operation     Creation operation performed.
1416      * @param result        Result of the creation.
1417      */
1418     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1419         if (result.isSuccess()) {
1420             dismissLoadingDialog();
1421             refreshListOfFilesFragment();
1422         } else {
1423             dismissLoadingDialog();
1424             try {
1425                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1426                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1427                         Toast.LENGTH_LONG);
1428                 msg.show();
1429
1430             } catch (NotFoundException e) {
1431                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1432             }
1433         }
1434     }
1435
1436
1437     /**
1438      * Updates the view associated to the activity after the finish of an operation trying to rename a
1439      * file.
1440      *
1441      * @param operation     Renaming operation performed.
1442      * @param result        Result of the renaming.
1443      */
1444     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1445         dismissLoadingDialog();
1446         OCFile renamedFile = operation.getFile();
1447         if (result.isSuccess()) {
1448             FileFragment details = getSecondFragment();
1449             if (details != null) {
1450                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1451                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1452                     showDetails(renamedFile);
1453
1454                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1455                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1456                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1457                         int position = ((PreviewMediaFragment)details).getPosition();
1458                         startMediaPreview(renamedFile, position, true);
1459                     } else {
1460                         getFileOperationsHelper().openFile(renamedFile);
1461                     }
1462                 }
1463             }
1464
1465             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1466                 refreshListOfFilesFragment();
1467             }
1468
1469         } else {
1470             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1471                     Toast.LENGTH_LONG);
1472             msg.show();
1473
1474             if (result.isSslRecoverableException()) {
1475                 mLastSslUntrustedServerResult = result;
1476                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1477             }
1478         }
1479     }
1480
1481     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1482         dismissLoadingDialog();
1483         OCFile syncedFile = operation.getLocalFile();
1484         if (!result.isSuccess()) {
1485             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1486                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1487                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1488                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1489                 startActivity(i);
1490
1491             }
1492
1493         } else {
1494             if (operation.transferWasRequested()) {
1495                 onTransferStateChanged(syncedFile, true, true);
1496
1497             } else {
1498                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1499                         Toast.LENGTH_LONG);
1500                 msg.show();
1501             }
1502         }
1503     }
1504
1505
1506     /**
1507      * {@inheritDoc}
1508      */
1509     @Override
1510     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1511         refreshListOfFilesFragment();
1512         FileFragment details = getSecondFragment();
1513         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1514             if (downloading || uploading) {
1515                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1516             } else {
1517                 if (!file.fileExists()) {
1518                     cleanSecondFragment();
1519                 } else {
1520                     ((FileDetailFragment)details).updateFileDetails(false, true);
1521                 }
1522             }
1523         }
1524
1525     }
1526
1527
1528     private void requestForDownload() {
1529         Account account = getAccount();
1530         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1531             Intent i = new Intent(this, FileDownloader.class);
1532             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1533             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1534             startService(i);
1535         }
1536     }
1537
1538
1539     private OCFile getCurrentDir() {
1540         OCFile file = getFile();
1541         if (file != null) {
1542             if (file.isFolder()) {
1543                 return file;
1544             } else if (getStorageManager() != null) {
1545                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1546                 return getStorageManager().getFileByPath(parentPath);
1547             }
1548         }
1549         return null;
1550     }
1551
1552     public void startSyncFolderOperation(OCFile folder) {
1553         long currentSyncTime = System.currentTimeMillis();
1554
1555         mSyncInProgress = true;
1556
1557         // perform folder synchronization
1558         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1559                                                                         currentSyncTime,
1560                                                                         false,
1561                                                                         getFileOperationsHelper().isSharedSupported(),
1562                                                                         getStorageManager(),
1563                                                                         getAccount(),
1564                                                                         getApplicationContext()
1565                                                                       );
1566         synchFolderOp.execute(getAccount(), this, null, null);
1567
1568         setSupportProgressBarIndeterminateVisibility(true);
1569
1570         setBackgroundText();
1571     }
1572
1573     /**
1574      * Show untrusted cert dialog
1575      */
1576     public void showUntrustedCertDialog(RemoteOperationResult result) {
1577         // Show a dialog with the certificate info
1578         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1579         FragmentManager fm = getSupportFragmentManager();
1580         FragmentTransaction ft = fm.beginTransaction();
1581         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1582     }
1583
1584     private void requestForDownload(OCFile file) {
1585         Account account = getAccount();
1586         if (!mDownloaderBinder.isDownloading(account, file)) {
1587             Intent i = new Intent(this, FileDownloader.class);
1588             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1589             i.putExtra(FileDownloader.EXTRA_FILE, file);
1590             startService(i);
1591         }
1592     }
1593
1594     private void sendDownloadedFile(){
1595         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1596         mWaitingToSend = null;
1597     }
1598
1599
1600     /**
1601      * Requests the download of the received {@link OCFile} , updates the UI
1602      * to monitor the download progress and prepares the activity to send the file
1603      * when the download finishes.
1604      *
1605      * @param file          {@link OCFile} to download and preview.
1606      */
1607     public void startDownloadForSending(OCFile file) {
1608         mWaitingToSend = file;
1609         requestForDownload(mWaitingToSend);
1610         boolean hasSecondFragment = (getSecondFragment()!= null);
1611         updateFragmentsVisibility(hasSecondFragment);
1612     }
1613
1614     /**
1615      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1616      *
1617      * @param file                      Image {@link OCFile} to show.
1618      */
1619     public void startImagePreview(OCFile file) {
1620         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1621         showDetailsIntent.putExtra(EXTRA_FILE, file);
1622         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1623         startActivity(showDetailsIntent);
1624
1625     }
1626
1627     /**
1628      * Stars the preview of an already down media {@link OCFile}.
1629      *
1630      * @param file                      Media {@link OCFile} to preview.
1631      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1632      * @param autoplay                  When 'true', the playback will start without user interactions.
1633      */
1634     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1635         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1636         setSecondFragment(mediaFragment);
1637         updateFragmentsVisibility(true);
1638         updateNavigationElementsInActionBar(file);
1639         setFile(file);
1640     }
1641
1642     /**
1643      * Requests the download of the received {@link OCFile} , updates the UI
1644      * to monitor the download progress and prepares the activity to preview
1645      * or open the file when the download finishes.
1646      *
1647      * @param file          {@link OCFile} to download and preview.
1648      */
1649     public void startDownloadForPreview(OCFile file) {
1650         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1651         setSecondFragment(detailFragment);
1652         mWaitingToPreview = file;
1653         requestForDownload();
1654         updateFragmentsVisibility(true);
1655         updateNavigationElementsInActionBar(file);
1656         setFile(file);
1657     }
1658
1659
1660     public void cancelTransference(OCFile file) {
1661         getFileOperationsHelper().cancelTransference(file);
1662         if (mWaitingToPreview != null &&
1663                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1664             mWaitingToPreview = null;
1665         }
1666         if (mWaitingToSend != null &&
1667                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1668             mWaitingToSend = null;
1669         }
1670         onTransferStateChanged(file, false, false);
1671     }
1672
1673 }