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