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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22 import java.io.IOException;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.app.AlertDialog;
  29 import android.app.Dialog;
  30 import android.app.ProgressDialog;
  31 import android.content.BroadcastReceiver;
  32 import android.content.ComponentName;
  33 import android.content.ContentResolver;
  34 import android.content.Context;
  35 import android.content.DialogInterface;
  36 import android.content.Intent;
  37 import android.content.IntentFilter;
  38 import android.content.ServiceConnection;
  39 import android.content.SharedPreferences;
  40 import android.content.SyncRequest;
  41 import android.content.res.Resources.NotFoundException;
  42 import android.database.Cursor;
  43 import android.net.Uri;
  44 import android.os.Bundle;
  45 import android.os.IBinder;
  46 import android.preference.PreferenceManager;
  47 import android.provider.MediaStore;
  48 import android.support.v4.app.Fragment;
  49 import android.support.v4.app.FragmentManager;
  50 import android.support.v4.app.FragmentTransaction;
  51 import android.support.v4.widget.SwipeRefreshLayout;
  52 import android.util.Log;
  53 import android.view.View;
  54 import android.view.ViewGroup;
  55 import android.widget.ArrayAdapter;
  56 import android.widget.TextView;
  57 import android.widget.Toast;
  58
  59 import com.actionbarsherlock.app.ActionBar;
  60 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  61 import com.actionbarsherlock.view.Menu;
  62 import com.actionbarsherlock.view.MenuInflater;
  63 import com.actionbarsherlock.view.MenuItem;
  64 import com.actionbarsherlock.view.Window;
  65 import com.owncloud.android.MainApp;
  66 import com.owncloud.android.R;
  67 import com.owncloud.android.datamodel.OCFile;
  68 import com.owncloud.android.files.services.FileDownloader;
  69 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  70 import com.owncloud.android.files.services.FileUploader;
  71 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  72 import com.owncloud.android.lib.common.OwnCloudAccount;
  73 import com.owncloud.android.lib.common.OwnCloudClient;
  74 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  75 import com.owncloud.android.lib.common.OwnCloudCredentials;
  76 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  77 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  78 import com.owncloud.android.lib.common.operations.RemoteOperation;
  79 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  81 import com.owncloud.android.operations.CreateFolderOperation;
  82 import com.owncloud.android.operations.CreateShareOperation;
  83 import com.owncloud.android.operations.MoveFileOperation;
  84 import com.owncloud.android.operations.RemoveFileOperation;
  85 import com.owncloud.android.operations.RenameFileOperation;
  86 import com.owncloud.android.operations.SynchronizeFileOperation;
  87 import com.owncloud.android.operations.SynchronizeFolderOperation;
  88 import com.owncloud.android.operations.UnshareLinkOperation;
  89 import com.owncloud.android.services.observer.FileObserverService;
  90 import com.owncloud.android.syncadapter.FileSyncAdapter;
  91 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  92 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  93 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  94 import com.owncloud.android.ui.fragment.FileDetailFragment;
  95 import com.owncloud.android.ui.fragment.FileFragment;
  96 import com.owncloud.android.ui.fragment.OCFileListFragment;
  97 import com.owncloud.android.ui.preview.PreviewImageActivity;
  98 import com.owncloud.android.ui.preview.PreviewImageFragment;
  99 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 100 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 101 import com.owncloud.android.utils.DisplayUtils;
 102 import com.owncloud.android.utils.ErrorMessageAdapter;
 103 import com.owncloud.android.utils.Log_OC;
 104
 105
 106 /**
 107  * Displays, what files the user has available in his ownCloud.
 108  *
 109  * @author Bartek Przybylski
 110  * @author David A. Velasco
 111  */
 112
 113 public class FileDisplayActivity extends HookActivity implements
 114 FileFragment.ContainerActivity, OnNavigationListener,
 115 OnSslUntrustedCertListener, SwipeRefreshLayout.OnRefreshListener {
 116
 117     private ArrayAdapter<String> mDirectories;
 118
 119     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 120     private UploadFinishReceiver mUploadFinishReceiver;
 121     private DownloadFinishReceiver mDownloadFinishReceiver;
 122     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 123
 124     private boolean mDualPane;
 125     private View mLeftFragmentContainer;
 126     private View mRightFragmentContainer;
 127
 128     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 129     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 130     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 131
 132     public static final int DIALOG_SHORT_WAIT = 0;
 133     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 134     private static final int DIALOG_CERT_NOT_SAVED = 2;
 135
 136     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 137
 138     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 139     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 140     public static final int ACTION_MOVE_FILES = 3;
 141
 142     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 143
 144     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 145     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 146
 147     private OCFile mWaitingToPreview;
 148
 149     private boolean mSyncInProgress = false;
 150
 151     private String DIALOG_UNTRUSTED_CERT;
 152
 153     private OCFile mWaitingToSend;
 154
 155     @Override
 156     protected void onCreate(Bundle savedInstanceState) {
 157         Log_OC.d(TAG, "onCreate() start");
 158         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 159
 160         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 161
 162         // PIN CODE request ;  best location is to decide, let's try this first
 163         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 164             requestPinCode();
 165         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 166             requestPinCode();
 167         }
 168
 169         /// grant that FileObserverService is watching favourite files
 170         if (savedInstanceState == null) {
 171             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 172             startService(initObserversIntent);
 173         }
 174
 175         /// Load of saved instance state
 176         if(savedInstanceState != null) {
 177             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 178             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 179             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 180
 181         } else {
 182             mWaitingToPreview = null;
 183             mSyncInProgress = false;
 184             mWaitingToSend = null;
 185         }
 186
 187         /// USER INTERFACE
 188
 189         // Inflate and set the layout view
 190         setContentView(R.layout.files);
 191         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 192         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 193         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 194         if (savedInstanceState == null) {
 195             createMinFragments();
 196         }
 197
 198         // Action bar setup
 199         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 200         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 201         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 202
 203         setBackgroundText();
 204
 205         Log_OC.d(TAG, "onCreate() end");
 206     }
 207
 208     @Override
 209     protected void onStart() {
 210         super.onStart();
 211         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 212     }
 213
 214     @Override
 215     protected void onDestroy() {
 216         super.onDestroy();
 217     }
 218
 219     /**
 220      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 221      */
 222     @Override
 223     protected void onAccountSet(boolean stateWasRecovered) {
 224         super.onAccountSet(stateWasRecovered);
 225         if (getAccount() != null) {
 226             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 227             OCFile file = getFile();
 228             // get parent from path
 229             String parentPath = "";
 230             if (file != null) {
 231                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 232                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 233                     // get parent from path
 234                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 235                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 236                         file = null; // not able to know the directory where the file is uploading
 237                 } else {
 238                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 239                 }
 240             }
 241             if (file == null) {
 242                 // fall back to root folder
 243                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 244             }
 245             setFile(file);
 246             setNavigationListWithFolder(file);
 247
 248             if (!stateWasRecovered) {
 249                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 250                 initFragmentsWithFile();
 251                 if (file.isFolder()) {
 252                     startSyncFolderOperation(file);
 253                 }
 254
 255             } else {
 256                 updateFragmentsVisibility(!file.isFolder());
 257                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 258             }
 259         }
 260     }
 261
 262
 263     private void setNavigationListWithFolder(OCFile file) {
 264         mDirectories.clear();
 265         OCFile fileIt = file;
 266         String parentPath;
 267         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 268             if (fileIt.isFolder()) {
 269                 mDirectories.add(fileIt.getFileName());
 270             }
 271             // get parent from path
 272             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 273             fileIt = getStorageManager().getFileByPath(parentPath);
 274         }
 275         mDirectories.add(OCFile.PATH_SEPARATOR);
 276     }
 277
 278
 279     private void createMinFragments() {
 280         OCFileListFragment listOfFiles = new OCFileListFragment();
 281         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 282         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 283         transaction.commit();
 284     }
 285
 286     private void initFragmentsWithFile() {
 287         if (getAccount() != null && getFile() != null) {
 288             /// First fragment
 289             OCFileListFragment listOfFiles = getListOfFilesFragment();
 290             if (listOfFiles != null) {
 291                 listOfFiles.listDirectory(getCurrentDir());
 292             } else {
 293                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 294             }
 295
 296             /// Second fragment
 297             OCFile file = getFile();
 298             Fragment secondFragment = chooseInitialSecondFragment(file);
 299             if (secondFragment != null) {
 300                 setSecondFragment(secondFragment);
 301                 updateFragmentsVisibility(true);
 302                 updateNavigationElementsInActionBar(file);
 303
 304             } else {
 305                 cleanSecondFragment();
 306             }
 307
 308         } else {
 309             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 310             if (getAccount() == null) {
 311                 Log.wtf(TAG, "\t account is NULL");
 312             }
 313             if (getFile() == null) {
 314                 Log.wtf(TAG, "\t file is NULL");
 315             }
 316         }
 317     }
 318
 319     private Fragment chooseInitialSecondFragment(OCFile file) {
 320         Fragment secondFragment = null;
 321         if (file != null && !file.isFolder()) {
 322             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 323                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 324                     ) {
 325                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 326                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 327                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 328
 329             } else {
 330                 secondFragment = new FileDetailFragment(file, getAccount());
 331             }
 332         }
 333         return secondFragment;
 334     }
 335
 336
 337     /**
 338      * Replaces the second fragment managed by the activity with the received as
 339      * a parameter.
 340      *
 341      * Assumes never will be more than two fragments managed at the same time.
 342      *
 343      * @param fragment      New second Fragment to set.
 344      */
 345     private void setSecondFragment(Fragment fragment) {
 346         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 347         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 348         transaction.commit();
 349     }
 350
 351
 352     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 353         if (mDualPane) {
 354             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 355                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 356             }
 357             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 358                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 359             }
 360
 361         } else if (existsSecondFragment) {
 362             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 363                 mLeftFragmentContainer.setVisibility(View.GONE);
 364             }
 365             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 366                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 367             }
 368
 369         } else {
 370             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 371                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 372             }
 373             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 374                 mRightFragmentContainer.setVisibility(View.GONE);
 375             }
 376         }
 377     }
 378
 379
 380     private OCFileListFragment getListOfFilesFragment() {
 381         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 382         if (listOfFiles != null) {
 383             return (OCFileListFragment)listOfFiles;
 384         }
 385         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 386         return null;
 387     }
 388
 389     public FileFragment getSecondFragment() {
 390         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 391         if (second != null) {
 392             return (FileFragment)second;
 393         }
 394         return null;
 395     }
 396
 397     protected void cleanSecondFragment() {
 398         Fragment second = getSecondFragment();
 399         if (second != null) {
 400             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 401             tr.remove(second);
 402             tr.commit();
 403         }
 404         updateFragmentsVisibility(false);
 405         updateNavigationElementsInActionBar(null);
 406     }
 407
 408     protected void refreshListOfFilesFragment() {
 409         OCFileListFragment fileListFragment = getListOfFilesFragment();
 410         if (fileListFragment != null) {
 411             fileListFragment.listDirectory();
 412         }
 413     }
 414
 415     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 416         FileFragment secondFragment = getSecondFragment();
 417         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 418         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 419             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 420             OCFile fileInFragment = detailsFragment.getFile();
 421             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 422                 // the user browsed to other file ; forget the automatic preview
 423                 mWaitingToPreview = null;
 424
 425             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 426                 // grant that the right panel updates the progress bar
 427                 detailsFragment.listenForTransferProgress();
 428                 detailsFragment.updateFileDetails(true, false);
 429
 430             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 431                 //  update the right panel
 432                 boolean detailsFragmentChanged = false;
 433                 if (waitedPreview) {
 434                     if (success) {
 435                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 436                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 437                             startMediaPreview(mWaitingToPreview, 0, true);
 438                             detailsFragmentChanged = true;
 439                         } else {
 440                             getFileOperationsHelper().openFile(mWaitingToPreview);
 441                         }
 442                     }
 443                     mWaitingToPreview = null;
 444                 }
 445                 if (!detailsFragmentChanged) {
 446                     detailsFragment.updateFileDetails(false, (success));
 447                 }
 448             }
 449         }
 450     }
 451
 452     @Override
 453     public boolean onCreateOptionsMenu(Menu menu) {
 454         MenuInflater inflater = getSherlock().getMenuInflater();
 455         inflater.inflate(R.menu.main_menu, menu);
 456         return true;
 457     }
 458
 459     @Override
 460     public boolean onOptionsItemSelected(MenuItem item) {
 461         boolean retval = true;
 462         switch (item.getItemId()) {
 463         case R.id.action_create_dir: {
 464             CreateFolderDialogFragment dialog =
 465                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 466             dialog.show(getSupportFragmentManager(), "createdirdialog");
 467             break;
 468         }
 469         case R.id.action_sync_account: {
 470             startSynchronization();
 471             break;
 472         }
 473         case R.id.action_upload: {
 474             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 475             break;
 476         }
 477         case R.id.action_settings: {
 478             Intent settingsIntent = new Intent(this, Preferences.class);
 479             startActivity(settingsIntent);
 480             break;
 481         }
 482         case android.R.id.home: {
 483             FileFragment second = getSecondFragment();
 484             OCFile currentDir = getCurrentDir();
 485             if((currentDir != null && currentDir.getParentId() != 0) ||
 486                     (second != null && second.getFile() != null)) {
 487                 onBackPressed();
 488
 489             }
 490             break;
 491         }
 492         default:
 493             retval = super.onOptionsItemSelected(item);
 494         }
 495         return retval;
 496     }
 497
 498     private void startSynchronization() {
 499         Log_OC.e(TAG, "Got to start sync");
 500         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 501             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 502             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 503             Bundle bundle = new Bundle();
 504             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 505             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 506             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 507             ContentResolver.requestSync(
 508                     getAccount(),
 509                     MainApp.getAuthority(), bundle);
 510         } else {
 511             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 512             SyncRequest.Builder builder = new SyncRequest.Builder();
 513             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 514             builder.setExpedited(true);
 515             builder.setManual(true);
 516             builder.syncOnce();
 517             SyncRequest request = builder.build();
 518             ContentResolver.requestSync(request);
 519         }
 520     }
 521
 522
 523     @Override
 524     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 525         if (itemPosition != 0) {
 526             String targetPath = "";
 527             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 528                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 529             }
 530             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 531             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 532             if (targetFolder != null) {
 533                 browseTo(targetFolder);
 534             }
 535
 536             // the next operation triggers a new call to this method, but it's necessary to
 537             // ensure that the name exposed in the action bar is the current directory when the
 538             // user selected it in the navigation list
 539             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 540                 getSupportActionBar().setSelectedNavigationItem(0);
 541         }
 542         return true;
 543     }
 544
 545     /**
 546      * Called, when the user selected something for uploading
 547      */
 548     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 549         super.onActivityResult(requestCode, resultCode, data);
 550
 551         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 552             requestSimpleUpload(data, resultCode);
 553
 554         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 555             requestMultipleUpload(data, resultCode);
 556
 557         } else if (requestCode == ACTION_MOVE_FILES && (resultCode == RESULT_OK ||
 558                 resultCode == MoveActivity.RESULT_OK_AND_MOVE)){
 559             requestMoveOperation(data, resultCode);
 560         }
 561     }
 562
 563     private void requestMultipleUpload(Intent data, int resultCode) {
 564         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 565         if (filePaths != null) {
 566             String[] remotePaths = new String[filePaths.length];
 567             String remotePathBase = "";
 568             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 569                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 570             }
 571             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 572                 remotePathBase += OCFile.PATH_SEPARATOR;
 573             for (int j = 0; j< remotePaths.length; j++) {
 574                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 575             }
 576
 577             Intent i = new Intent(this, FileUploader.class);
 578             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 579             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 580             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 581             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 582             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 583                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 584             startService(i);
 585
 586         } else {
 587             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 588             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 589             t.show();
 590             return;
 591         }
 592     }
 593
 594
 595     private void requestSimpleUpload(Intent data, int resultCode) {
 596         String filepath = null;
 597         try {
 598             Uri selectedImageUri = data.getData();
 599
 600             String filemanagerstring = selectedImageUri.getPath();
 601             String selectedImagePath = getPath(selectedImageUri);
 602
 603             if (selectedImagePath != null)
 604                 filepath = selectedImagePath;
 605             else
 606                 filepath = filemanagerstring;
 607
 608         } catch (Exception e) {
 609             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 610             e.printStackTrace();
 611
 612         } finally {
 613             if (filepath == null) {
 614                 Log_OC.e(TAG, "Couldnt resolve path to file");
 615                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 616                 t.show();
 617                 return;
 618             }
 619         }
 620
 621         Intent i = new Intent(this, FileUploader.class);
 622         i.putExtra(FileUploader.KEY_ACCOUNT,
 623                 getAccount());
 624         String remotepath = new String();
 625         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 626             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 627         }
 628         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 629             remotepath += OCFile.PATH_SEPARATOR;
 630         remotepath += new File(filepath).getName();
 631
 632         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 633         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 634         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 635         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 636             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 637         startService(i);
 638     }
 639
 640     /**
 641      * Request the operation for moving the file/folder from one path to another
 642      *
 643      * @param data              Intent received
 644      * @param resultCode        Result code received
 645      */
 646     private void requestMoveOperation(Intent data, int resultCode) {
 647         OCFile folderToMoveAt = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_CURRENT_FOLDER);
 648         OCFile targetFile = (OCFile) data.getParcelableExtra(MoveActivity.EXTRA_TARGET_FILE);
 649         getFileOperationsHelper().moveFile(folderToMoveAt, targetFile);
 650     }
 651
 652     @Override
 653     public void onBackPressed() {
 654         OCFileListFragment listOfFiles = getListOfFilesFragment();
 655         if (mDualPane || getSecondFragment() == null) {
 656             if (listOfFiles != null) {  // should never be null, indeed
 657                 if (mDirectories.getCount() <= 1) {
 658                     finish();
 659                     return;
 660                 }
 661                 int levelsUp = listOfFiles.onBrowseUp();
 662                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 663                     popDirname();
 664                 }
 665             }
 666         }
 667         if (listOfFiles != null) {  // should never be null, indeed
 668             setFile(listOfFiles.getCurrentFile());
 669         }
 670         cleanSecondFragment();
 671
 672     }
 673
 674     @Override
 675     protected void onSaveInstanceState(Bundle outState) {
 676         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 677         Log_OC.e(TAG, "onSaveInstanceState() start");
 678         super.onSaveInstanceState(outState);
 679         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 680         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 681         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 682         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 683
 684         Log_OC.d(TAG, "onSaveInstanceState() end");
 685     }
 686
 687
 688
 689     @Override
 690     protected void onResume() {
 691         super.onResume();
 692         Log_OC.e(TAG, "onResume() start");
 693
 694         // refresh list of files
 695         refreshListOfFilesFragment();
 696
 697         // Listen for sync messages
 698         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 699         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 700         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 701         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 702         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 703         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 704         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 705         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 706
 707         // Listen for upload messages
 708         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 709         mUploadFinishReceiver = new UploadFinishReceiver();
 710         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 711
 712         // Listen for download messages
 713         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 714         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 715         mDownloadFinishReceiver = new DownloadFinishReceiver();
 716         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 717
 718         Log_OC.d(TAG, "onResume() end");
 719     }
 720
 721
 722     @Override
 723     protected void onPause() {
 724         Log_OC.e(TAG, "onPause() start");
 725         if (mSyncBroadcastReceiver != null) {
 726             unregisterReceiver(mSyncBroadcastReceiver);
 727             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 728             mSyncBroadcastReceiver = null;
 729         }
 730         if (mUploadFinishReceiver != null) {
 731             unregisterReceiver(mUploadFinishReceiver);
 732             mUploadFinishReceiver = null;
 733         }
 734         if (mDownloadFinishReceiver != null) {
 735             unregisterReceiver(mDownloadFinishReceiver);
 736             mDownloadFinishReceiver = null;
 737         }
 738
 739
 740         Log_OC.d(TAG, "onPause() end");
 741         super.onPause();
 742     }
 743
 744
 745     @Override
 746     protected Dialog onCreateDialog(int id) {
 747         Dialog dialog = null;
 748         AlertDialog.Builder builder;
 749         switch (id) {
 750         case DIALOG_SHORT_WAIT: {
 751             ProgressDialog working_dialog = new ProgressDialog(this);
 752             working_dialog.setMessage(getResources().getString(
 753                     R.string.wait_a_moment));
 754             working_dialog.setIndeterminate(true);
 755             working_dialog.setCancelable(false);
 756             dialog = working_dialog;
 757             break;
 758         }
 759         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 760
 761
 762             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 763                     getString(R.string.actionbar_upload_from_apps) };
 764
 765             builder = new AlertDialog.Builder(this);
 766             builder.setTitle(R.string.actionbar_upload);
 767             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 768                 public void onClick(DialogInterface dialog, int item) {
 769                     if (item == 0) {
 770                         // if (!mDualPane) {
 771                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 772                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 773                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 774                             // } else {
 775                             // TODO create and handle new fragment
 776                             // LocalFileListFragment
 777                             // }
 778                     } else if (item == 1) {
 779                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 780                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 781                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 782                                 ACTION_SELECT_CONTENT_FROM_APPS);
 783                     }
 784                 }
 785             });
 786             dialog = builder.create();
 787             break;
 788         }
 789         case DIALOG_CERT_NOT_SAVED: {
 790             builder = new AlertDialog.Builder(this);
 791             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 792             builder.setCancelable(false);
 793             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 794                 @Override
 795                 public void onClick(DialogInterface dialog, int which) {
 796                     dialog.dismiss();
 797                 };
 798             });
 799             dialog = builder.create();
 800             break;
 801         }
 802         default:
 803             dialog = null;
 804         }
 805
 806         return dialog;
 807     }
 808
 809
 810     /**
 811      * Translates a content URI of an image to a physical path
 812      * on the disk
 813      * @param uri The URI to resolve
 814      * @return The path to the image or null if it could not be found
 815      */
 816     public String getPath(Uri uri) {
 817         String[] projection = { MediaStore.Images.Media.DATA };
 818         Cursor cursor = managedQuery(uri, projection, null, null, null);
 819         if (cursor != null) {
 820             int column_index = cursor
 821                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 822             cursor.moveToFirst();
 823             return cursor.getString(column_index);
 824         }
 825         return null;
 826     }
 827
 828     /**
 829      * Pushes a directory to the drop down list
 830      * @param directory to push
 831      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 832      */
 833     public void pushDirname(OCFile directory) {
 834         if(!directory.isFolder()){
 835             throw new IllegalArgumentException("Only directories may be pushed!");
 836         }
 837         mDirectories.insert(directory.getFileName(), 0);
 838         setFile(directory);
 839     }
 840
 841     /**
 842      * Pops a directory name from the drop down list
 843      * @return True, unless the stack is empty
 844      */
 845     public boolean popDirname() {
 846         mDirectories.remove(mDirectories.getItem(0));
 847         return !mDirectories.isEmpty();
 848     }
 849
 850     // Custom array adapter to override text colors
 851     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 852
 853         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 854             super(ctx, view);
 855         }
 856
 857         public View getView(int position, View convertView, ViewGroup parent) {
 858             View v = super.getView(position, convertView, parent);
 859
 860             ((TextView) v).setTextColor(getResources().getColorStateList(
 861                     android.R.color.white));
 862
 863             fixRoot((TextView) v );
 864             return v;
 865         }
 866
 867         public View getDropDownView(int position, View convertView,
 868                 ViewGroup parent) {
 869             View v = super.getDropDownView(position, convertView, parent);
 870
 871             ((TextView) v).setTextColor(getResources().getColorStateList(
 872                     android.R.color.white));
 873
 874             fixRoot((TextView) v );
 875             return v;
 876         }
 877
 878         private void fixRoot(TextView v) {
 879             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 880                 v.setText(R.string.default_display_name_for_root_folder);
 881             }
 882         }
 883
 884     }
 885
 886     private class SyncBroadcastReceiver extends BroadcastReceiver {
 887
 888         /**
 889          * {@link BroadcastReceiver} to enable syncing feedback in UI
 890          */
 891         @Override
 892         public void onReceive(Context context, Intent intent) {
 893             try {
 894                 String event = intent.getAction();
 895                 Log_OC.d(TAG, "Received broadcast " + event);
 896                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 897                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 898                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 899                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 900
 901                 if (sameAccount) {
 902
 903                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 904                         mSyncInProgress = true;
 905
 906                     } else {
 907                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 908                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 909
 910                         if (currentDir == null) {
 911                             // current folder was removed from the server
 912                             Toast.makeText( FileDisplayActivity.this,
 913                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 914                                             Toast.LENGTH_LONG)
 915                                 .show();
 916                             browseToRoot();
 917
 918                         } else {
 919                             if (currentFile == null && !getFile().isFolder()) {
 920                                 // currently selected file was removed in the server, and now we know it
 921                                 cleanSecondFragment();
 922                                 currentFile = currentDir;
 923                             }
 924
 925                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 926                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 927                                 if (fileListFragment != null) {
 928                                     fileListFragment.listDirectory(currentDir);
 929                                 }
 930                             }
 931                             setFile(currentFile);
 932                         }
 933
 934                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 935
 936                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 937                                     equals(event) &&
 938                                 /// TODO refactor and make common
 939                                 synchResult != null && !synchResult.isSuccess() &&
 940                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 941                                     synchResult.isIdPRedirection()                  ||
 942                                     (synchResult.isException() && synchResult.getException()
 943                                             instanceof AuthenticatorException))) {
 944
 945                             OwnCloudClient client = null;
 946                             try {
 947                                 OwnCloudAccount ocAccount =
 948                                         new OwnCloudAccount(getAccount(), context);
 949                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 950                                         removeClientFor(ocAccount));
 951                                 // TODO get rid of these exceptions
 952                             } catch (AccountNotFoundException e) {
 953                                 e.printStackTrace();
 954                             } catch (AuthenticatorException e) {
 955                                 e.printStackTrace();
 956                             } catch (OperationCanceledException e) {
 957                                 e.printStackTrace();
 958                             } catch (IOException e) {
 959                                 e.printStackTrace();
 960                             }
 961
 962                             if (client != null) {
 963                                 OwnCloudCredentials cred = client.getCredentials();
 964                                 if (cred != null) {
 965                                     AccountManager am = AccountManager.get(context);
 966                                     if (cred.authTokenExpires()) {
 967                                         am.invalidateAuthToken(
 968                                                 getAccount().type,
 969                                                 cred.getAuthToken()
 970                                         );
 971                                     } else {
 972                                         am.clearPassword(getAccount());
 973                                     }
 974                                 }
 975                             }
 976
 977                             requestCredentialsUpdate();
 978
 979                         }
 980                     }
 981                     removeStickyBroadcast(intent);
 982                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 983                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 984
 985                     setBackgroundText();
 986
 987                 }
 988
 989                 if (synchResult != null) {
 990                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 991                         mLastSslUntrustedServerResult = synchResult;
 992                     }
 993                 }
 994             } catch (RuntimeException e) {
 995                 // avoid app crashes after changing the serial id of RemoteOperationResult
 996                 // in owncloud library with broadcast notifications pending to process
 997                 removeStickyBroadcast(intent);
 998             }
 999         }
1000     }
1001
1002     /**
1003      * Show a text message on screen view for notifying user if content is
1004      * loading or folder is empty
1005      */
1006     private void setBackgroundText() {
1007         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1008         if (ocFileListFragment != null) {
1009             int message = R.string.file_list_loading;
1010             if (!mSyncInProgress) {
1011                 // In case file list is empty
1012                 message = R.string.file_list_empty;
1013             }
1014             ocFileListFragment.setMessageForEmptyList(getString(message));
1015         } else {
1016             Log.e(TAG, "OCFileListFragment is null");
1017         }
1018     }
1019
1020     /**
1021      * Once the file upload has finished -> update view
1022      */
1023     private class UploadFinishReceiver extends BroadcastReceiver {
1024         /**
1025          * Once the file upload has finished -> update view
1026          *  @author David A. Velasco
1027          * {@link BroadcastReceiver} to enable upload feedback in UI
1028          */
1029         @Override
1030         public void onReceive(Context context, Intent intent) {
1031             try {
1032                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1033                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1034                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1035                 OCFile currentDir = getCurrentDir();
1036                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1037                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1038
1039                 if (sameAccount && isDescendant) {
1040                     refreshListOfFilesFragment();
1041                 }
1042
1043                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1044                 boolean renamedInUpload = getFile().getRemotePath().
1045                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1046                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1047                         renamedInUpload;
1048                 FileFragment details = getSecondFragment();
1049                 boolean detailFragmentIsShown = (details != null &&
1050                         details instanceof FileDetailFragment);
1051
1052                 if (sameAccount && sameFile && detailFragmentIsShown) {
1053                     if (uploadWasFine) {
1054                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1055                     }
1056                     if (renamedInUpload) {
1057                         String newName = (new File(uploadedRemotePath)).getName();
1058                         Toast msg = Toast.makeText(
1059                                 context,
1060                                 String.format(
1061                                         getString(R.string.filedetails_renamed_in_upload_msg),
1062                                         newName),
1063                                 Toast.LENGTH_LONG);
1064                         msg.show();
1065                     }
1066                     if (uploadWasFine || getFile().fileExists()) {
1067                         ((FileDetailFragment)details).updateFileDetails(false, true);
1068                     } else {
1069                         cleanSecondFragment();
1070                     }
1071
1072                     // Force the preview if the file is an image
1073                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1074                         startImagePreview(getFile());
1075                     } // TODO what about other kind of previews?
1076                 }
1077
1078             } finally {
1079                 if (intent != null) {
1080                     removeStickyBroadcast(intent);
1081                 }
1082             }
1083
1084         }
1085
1086     }
1087
1088
1089     /**
1090      * Class waiting for broadcast events from the {@link FielDownloader} service.
1091      *
1092      * Updates the UI when a download is started or finished, provided that it is relevant for the
1093      * current folder.
1094      */
1095     private class DownloadFinishReceiver extends BroadcastReceiver {
1096         @Override
1097         public void onReceive(Context context, Intent intent) {
1098             try {
1099                 boolean sameAccount = isSameAccount(context, intent);
1100                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1101                 boolean isDescendant = isDescendant(downloadedRemotePath);
1102
1103                 if (sameAccount && isDescendant) {
1104                     refreshListOfFilesFragment();
1105                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1106                 }
1107
1108                 if (mWaitingToSend != null) {
1109                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1110                     if (mWaitingToSend.isDown()) {
1111                         sendDownloadedFile();
1112                     }
1113                 }
1114
1115             } finally {
1116                 if (intent != null) {
1117                     removeStickyBroadcast(intent);
1118                 }
1119             }
1120         }
1121
1122         private boolean isDescendant(String downloadedRemotePath) {
1123             OCFile currentDir = getCurrentDir();
1124             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1125         }
1126
1127         private boolean isSameAccount(Context context, Intent intent) {
1128             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1129             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1130         }
1131     }
1132
1133
1134     public void browseToRoot() {
1135         OCFileListFragment listOfFiles = getListOfFilesFragment();
1136         if (listOfFiles != null) {  // should never be null, indeed
1137             while (mDirectories.getCount() > 1) {
1138                 popDirname();
1139             }
1140             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1141             listOfFiles.listDirectory(root);
1142             setFile(listOfFiles.getCurrentFile());
1143             startSyncFolderOperation(root);
1144         }
1145         cleanSecondFragment();
1146     }
1147
1148
1149     public void browseTo(OCFile folder) {
1150         if (folder == null || !folder.isFolder()) {
1151             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1152         }
1153         OCFileListFragment listOfFiles = getListOfFilesFragment();
1154         if (listOfFiles != null) {
1155             setNavigationListWithFolder(folder);
1156             listOfFiles.listDirectory(folder);
1157             setFile(listOfFiles.getCurrentFile());
1158             startSyncFolderOperation(folder);
1159         } else {
1160             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1161         }
1162         cleanSecondFragment();
1163     }
1164
1165
1166     /**
1167      * {@inheritDoc}
1168      *
1169      * Updates action bar and second fragment, if in dual pane mode.
1170      */
1171     @Override
1172     public void onBrowsedDownTo(OCFile directory) {
1173         pushDirname(directory);
1174         cleanSecondFragment();
1175
1176         // Sync Folder
1177         startSyncFolderOperation(directory);
1178
1179     }
1180
1181     /**
1182      * Shows the information of the {@link OCFile} received as a
1183      * parameter in the second fragment.
1184      *
1185      * @param file          {@link OCFile} whose details will be shown
1186      */
1187     @Override
1188     public void showDetails(OCFile file) {
1189         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1190         setSecondFragment(detailFragment);
1191         updateFragmentsVisibility(true);
1192         updateNavigationElementsInActionBar(file);
1193         setFile(file);
1194     }
1195
1196
1197     /**
1198      * TODO
1199      */
1200     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1201         ActionBar actionBar = getSupportActionBar();
1202         if (chosenFile == null || mDualPane) {
1203             // only list of files - set for browsing through folders
1204             OCFile currentDir = getCurrentDir();
1205             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1206             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1207             actionBar.setDisplayShowTitleEnabled(!noRoot);
1208             if (!noRoot) {
1209                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1210             }
1211             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1212             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1213
1214         } else {
1215             actionBar.setDisplayHomeAsUpEnabled(true);
1216             actionBar.setDisplayShowTitleEnabled(true);
1217             actionBar.setTitle(chosenFile.getFileName());
1218             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1219         }
1220     }
1221
1222
1223     @Override
1224     protected ServiceConnection newTransferenceServiceConnection() {
1225         return new ListServiceConnection();
1226     }
1227
1228     /** Defines callbacks for service binding, passed to bindService() */
1229     private class ListServiceConnection implements ServiceConnection {
1230
1231         @Override
1232         public void onServiceConnected(ComponentName component, IBinder service) {
1233             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1234                 Log_OC.d(TAG, "Download service connected");
1235                 mDownloaderBinder = (FileDownloaderBinder) service;
1236                 if (mWaitingToPreview != null)
1237                     if (getStorageManager() != null) {
1238                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1239                         if (!mWaitingToPreview.isDown()) {
1240                             requestForDownload();
1241                         }
1242                 }
1243
1244             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1245                 Log_OC.d(TAG, "Upload service connected");
1246                 mUploaderBinder = (FileUploaderBinder) service;
1247             } else {
1248                 return;
1249             }
1250             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1251             OCFileListFragment listOfFiles = getListOfFilesFragment();
1252             if (listOfFiles != null) {
1253                 listOfFiles.listDirectory();
1254             }
1255             FileFragment secondFragment = getSecondFragment();
1256             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1257                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1258                 detailFragment.listenForTransferProgress();
1259                 detailFragment.updateFileDetails(false, false);
1260             }
1261         }
1262
1263         @Override
1264         public void onServiceDisconnected(ComponentName component) {
1265             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1266                 Log_OC.d(TAG, "Download service disconnected");
1267                 mDownloaderBinder = null;
1268             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1269                 Log_OC.d(TAG, "Upload service disconnected");
1270                 mUploaderBinder = null;
1271             }
1272         }
1273     };
1274
1275
1276
1277     /**
1278      * Launch an intent to request the PIN code to the user before letting him use the app
1279      */
1280     private void requestPinCode() {
1281         boolean pinStart = false;
1282         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1283         pinStart = appPrefs.getBoolean("set_pincode", false);
1284         if (pinStart) {
1285             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1286             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1287             startActivity(i);
1288         }
1289     }
1290
1291
1292     @Override
1293     public void onSavedCertificate() {
1294         startSyncFolderOperation(getCurrentDir());
1295     }
1296
1297
1298     @Override
1299     public void onFailedSavingCertificate() {
1300         showDialog(DIALOG_CERT_NOT_SAVED);
1301     }
1302
1303     @Override
1304     public void onCancelCertificate() {
1305         // nothing to do
1306     }
1307
1308     /**
1309      * Updates the view associated to the activity after the finish of some operation over files
1310      * in the current account.
1311      *
1312      * @param operation     Removal operation performed.
1313      * @param result        Result of the removal.
1314      */
1315     @Override
1316     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1317         super.onRemoteOperationFinish(operation, result);
1318
1319         if (operation instanceof RemoveFileOperation) {
1320             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1321
1322         } else if (operation instanceof RenameFileOperation) {
1323             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1324
1325         } else if (operation instanceof SynchronizeFileOperation) {
1326             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1327
1328         } else if (operation instanceof CreateFolderOperation) {
1329             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1330
1331         } else if (operation instanceof CreateShareOperation) {
1332             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1333
1334         } else if (operation instanceof UnshareLinkOperation) {
1335             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1336
1337         } else if (operation instanceof MoveFileOperation) {
1338             onMoveFileOperationFinish((MoveFileOperation)operation, result);
1339         }
1340
1341     }
1342
1343
1344     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1345         if (result.isSuccess()) {
1346             refreshShowDetails();
1347             refreshListOfFilesFragment();
1348         }
1349     }
1350
1351
1352     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1353         if (result.isSuccess()) {
1354             refreshShowDetails();
1355             refreshListOfFilesFragment();
1356
1357         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1358             cleanSecondFragment();
1359             refreshListOfFilesFragment();
1360         }
1361     }
1362
1363     private void refreshShowDetails() {
1364         FileFragment details = getSecondFragment();
1365         if (details != null) {
1366             OCFile file = details.getFile();
1367             if (file != null) {
1368                 file = getStorageManager().getFileByPath(file.getRemotePath());
1369                 if (details instanceof PreviewMediaFragment) {
1370                     // Refresh  OCFile of the fragment
1371                     ((PreviewMediaFragment) details).updateFile(file);
1372                 } else {
1373                     showDetails(file);
1374                 }
1375             }
1376             invalidateOptionsMenu();
1377         }
1378     }
1379
1380     /**
1381      * Updates the view associated to the activity after the finish of an operation trying to remove a
1382      * file.
1383      *
1384      * @param operation     Removal operation performed.
1385      * @param result        Result of the removal.
1386      */
1387     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1388         dismissLoadingDialog();
1389
1390         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1391                 Toast.LENGTH_LONG);
1392         msg.show();
1393
1394         if (result.isSuccess()) {
1395             OCFile removedFile = operation.getFile();
1396             FileFragment second = getSecondFragment();
1397             if (second != null && removedFile.equals(second.getFile())) {
1398                 if (second instanceof PreviewMediaFragment) {
1399                     ((PreviewMediaFragment)second).stopPreview(true);
1400                 }
1401                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1402                 cleanSecondFragment();
1403             }
1404             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1405                 refreshListOfFilesFragment();
1406             }
1407             invalidateOptionsMenu();
1408         } else {
1409             if (result.isSslRecoverableException()) {
1410                 mLastSslUntrustedServerResult = result;
1411                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1412             }
1413         }
1414     }
1415
1416
1417     /**
1418      * Updates the view associated to the activity after the finish of an operation trying to move a
1419      * file.
1420      *
1421      * @param operation     Move operation performed.
1422      * @param result        Result of the move operation.
1423      */
1424     private void onMoveFileOperationFinish(MoveFileOperation operation, RemoteOperationResult result) {
1425         if (result.isSuccess()) {
1426             dismissLoadingDialog();
1427             refreshListOfFilesFragment();
1428         } else {
1429             dismissLoadingDialog();
1430             try {
1431                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1432                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1433                         Toast.LENGTH_LONG);
1434                 msg.show();
1435
1436             } catch (NotFoundException e) {
1437                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1438             }
1439         }
1440     }
1441
1442
1443     /**
1444      * Updates the view associated to the activity after the finish of an operation trying to rename a
1445      * file.
1446      *
1447      * @param operation     Renaming operation performed.
1448      * @param result        Result of the renaming.
1449      */
1450     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1451         dismissLoadingDialog();
1452         OCFile renamedFile = operation.getFile();
1453         if (result.isSuccess()) {
1454             FileFragment details = getSecondFragment();
1455             if (details != null) {
1456                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1457                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1458                     showDetails(renamedFile);
1459
1460                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1461                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1462                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1463                         int position = ((PreviewMediaFragment)details).getPosition();
1464                         startMediaPreview(renamedFile, position, true);
1465                     } else {
1466                         getFileOperationsHelper().openFile(renamedFile);
1467                     }
1468                 }
1469             }
1470
1471             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1472                 refreshListOfFilesFragment();
1473             }
1474
1475         } else {
1476             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1477                     Toast.LENGTH_LONG);
1478             msg.show();
1479
1480             if (result.isSslRecoverableException()) {
1481                 mLastSslUntrustedServerResult = result;
1482                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1483             }
1484         }
1485     }
1486
1487     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1488         dismissLoadingDialog();
1489         OCFile syncedFile = operation.getLocalFile();
1490         if (!result.isSuccess()) {
1491             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1492                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1493                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1494                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1495                 startActivity(i);
1496
1497             }
1498
1499         } else {
1500             if (operation.transferWasRequested()) {
1501                 onTransferStateChanged(syncedFile, true, true);
1502
1503             } else {
1504                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1505                         Toast.LENGTH_LONG);
1506                 msg.show();
1507             }
1508         }
1509     }
1510
1511     /**
1512      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1513      *
1514      * @param operation     Creation operation performed.
1515      * @param result        Result of the creation.
1516      */
1517     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1518         if (result.isSuccess()) {
1519             dismissLoadingDialog();
1520             refreshListOfFilesFragment();
1521         } else {
1522             dismissLoadingDialog();
1523             try {
1524                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1525                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1526                         Toast.LENGTH_LONG);
1527                 msg.show();
1528
1529             } catch (NotFoundException e) {
1530                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1531             }
1532         }
1533     }
1534
1535
1536     /**
1537      * {@inheritDoc}
1538      */
1539     @Override
1540     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1541         refreshListOfFilesFragment();
1542         FileFragment details = getSecondFragment();
1543         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1544             if (downloading || uploading) {
1545                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1546             } else {
1547                 if (!file.fileExists()) {
1548                     cleanSecondFragment();
1549                 } else {
1550                     ((FileDetailFragment)details).updateFileDetails(false, true);
1551                 }
1552             }
1553         }
1554
1555     }
1556
1557
1558     private void requestForDownload() {
1559         Account account = getAccount();
1560         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1561             Intent i = new Intent(this, FileDownloader.class);
1562             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1563             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1564             startService(i);
1565         }
1566     }
1567
1568
1569     private OCFile getCurrentDir() {
1570         OCFile file = getFile();
1571         if (file != null) {
1572             if (file.isFolder()) {
1573                 return file;
1574             } else if (getStorageManager() != null) {
1575                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1576                 return getStorageManager().getFileByPath(parentPath);
1577             }
1578         }
1579         return null;
1580     }
1581
1582     public void startSyncFolderOperation(OCFile folder) {
1583         long currentSyncTime = System.currentTimeMillis();
1584
1585         mSyncInProgress = true;
1586
1587         // perform folder synchronization
1588         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1589                                                                         currentSyncTime,
1590                                                                         false,
1591                                                                         getFileOperationsHelper().isSharedSupported(),
1592                                                                         getStorageManager(),
1593                                                                         getAccount(),
1594                                                                         getApplicationContext()
1595                                                                       );
1596         synchFolderOp.execute(getAccount(), this, null, null);
1597
1598         setSupportProgressBarIndeterminateVisibility(true);
1599
1600         setBackgroundText();
1601     }
1602
1603     /**
1604      * Show untrusted cert dialog
1605      */
1606     public void showUntrustedCertDialog(RemoteOperationResult result) {
1607         // Show a dialog with the certificate info
1608         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1609         FragmentManager fm = getSupportFragmentManager();
1610         FragmentTransaction ft = fm.beginTransaction();
1611         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1612     }
1613
1614     private void requestForDownload(OCFile file) {
1615         Account account = getAccount();
1616         if (!mDownloaderBinder.isDownloading(account, file)) {
1617             Intent i = new Intent(this, FileDownloader.class);
1618             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1619             i.putExtra(FileDownloader.EXTRA_FILE, file);
1620             startService(i);
1621         }
1622     }
1623
1624     private void sendDownloadedFile(){
1625         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1626         mWaitingToSend = null;
1627     }
1628
1629
1630     /**
1631      * Requests the download of the received {@link OCFile} , updates the UI
1632      * to monitor the download progress and prepares the activity to send the file
1633      * when the download finishes.
1634      *
1635      * @param file          {@link OCFile} to download and preview.
1636      */
1637     public void startDownloadForSending(OCFile file) {
1638         mWaitingToSend = file;
1639         requestForDownload(mWaitingToSend);
1640         boolean hasSecondFragment = (getSecondFragment()!= null);
1641         updateFragmentsVisibility(hasSecondFragment);
1642     }
1643
1644     /**
1645      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1646      *
1647      * @param file                      Image {@link OCFile} to show.
1648      */
1649     public void startImagePreview(OCFile file) {
1650         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1651         showDetailsIntent.putExtra(EXTRA_FILE, file);
1652         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1653         startActivity(showDetailsIntent);
1654
1655     }
1656
1657     /**
1658      * Stars the preview of an already down media {@link OCFile}.
1659      *
1660      * @param file                      Media {@link OCFile} to preview.
1661      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1662      * @param autoplay                  When 'true', the playback will start without user interactions.
1663      */
1664     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1665         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1666         setSecondFragment(mediaFragment);
1667         updateFragmentsVisibility(true);
1668         updateNavigationElementsInActionBar(file);
1669         setFile(file);
1670     }
1671
1672     /**
1673      * Requests the download of the received {@link OCFile} , updates the UI
1674      * to monitor the download progress and prepares the activity to preview
1675      * or open the file when the download finishes.
1676      *
1677      * @param file          {@link OCFile} to download and preview.
1678      */
1679     public void startDownloadForPreview(OCFile file) {
1680         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1681         setSecondFragment(detailFragment);
1682         mWaitingToPreview = file;
1683         requestForDownload();
1684         updateFragmentsVisibility(true);
1685         updateNavigationElementsInActionBar(file);
1686         setFile(file);
1687     }
1688
1689
1690     public void cancelTransference(OCFile file) {
1691         getFileOperationsHelper().cancelTransference(file);
1692         if (mWaitingToPreview != null &&
1693                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1694             mWaitingToPreview = null;
1695         }
1696         if (mWaitingToSend != null &&
1697                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1698             mWaitingToSend = null;
1699         }
1700         onTransferStateChanged(file, false, false);
1701     }
1702
1703     @Override
1704     public void onRefresh() {
1705         OCFileListFragment listOfFiles = getListOfFilesFragment();
1706         if (listOfFiles != null) {
1707             OCFile folder = listOfFiles.getCurrentFile();
1708             if (folder != null) {
1709                 /*mFile = mContainerActivity.getStorageManager().getFileById(mFile.getFileId());
1710                 listDirectory(mFile);*/
1711                 startSyncFolderOperation(folder);
1712             }
1713         }
1714     }
1715
1716 }