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