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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 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
  23 import android.accounts.Account;
  24 import android.accounts.AccountManager;
  25 import android.app.AlertDialog;
  26 import android.app.Dialog;
  27 import android.app.ProgressDialog;
  28 import android.content.BroadcastReceiver;
  29 import android.content.ComponentName;
  30 import android.content.ContentResolver;
  31 import android.content.Context;
  32 import android.content.DialogInterface;
  33 import android.content.Intent;
  34 import android.content.IntentFilter;
  35 import android.content.ServiceConnection;
  36 import android.content.SharedPreferences;
  37 import android.content.SyncRequest;
  38 import android.content.res.Resources.NotFoundException;
  39 import android.database.Cursor;
  40 import android.net.Uri;
  41 import android.os.Bundle;
  42 import android.os.Handler;
  43 import android.os.IBinder;
  44 import android.preference.PreferenceManager;
  45 import android.provider.MediaStore;
  46 import android.support.v4.app.Fragment;
  47 import android.support.v4.app.FragmentManager;
  48 import android.support.v4.app.FragmentTransaction;
  49 import android.util.Log;
  50 import android.view.View;
  51 import android.view.ViewGroup;
  52 import android.widget.ArrayAdapter;
  53 import android.widget.TextView;
  54 import android.widget.Toast;
  55
  56 import com.actionbarsherlock.app.ActionBar;
  57 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  58 import com.actionbarsherlock.view.Menu;
  59 import com.actionbarsherlock.view.MenuInflater;
  60 import com.actionbarsherlock.view.MenuItem;
  61 import com.actionbarsherlock.view.Window;
  62 import com.owncloud.android.MainApp;
  63 import com.owncloud.android.R;
  64 import com.owncloud.android.datamodel.FileDataStorageManager;
  65 import com.owncloud.android.datamodel.OCFile;
  66 import com.owncloud.android.files.services.FileDownloader;
  67 import com.owncloud.android.files.services.FileObserverService;
  68 import com.owncloud.android.files.services.FileUploader;
  69 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  70 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  71 import com.owncloud.android.operations.CreateFolderOperation;
  72
  73 import com.owncloud.android.operations.GetSharesOperation;
  74
  75 import com.owncloud.android.lib.accounts.OwnCloudAccount;
  76 import com.owncloud.android.lib.network.OwnCloudClient;
  77 import com.owncloud.android.lib.network.OwnCloudClientFactory;
  78 import com.owncloud.android.lib.operations.common.OnRemoteOperationListener;
  79 import com.owncloud.android.lib.operations.common.RemoteOperation;
  80 import com.owncloud.android.lib.operations.common.RemoteOperationResult;
  81 import com.owncloud.android.lib.operations.common.RemoteOperationResult.ResultCode;
  82
  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.syncadapter.FileSyncService;
  88 import com.owncloud.android.ui.dialog.EditNameDialog;
  89 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  90 import com.owncloud.android.ui.dialog.LoadingDialog;
  91 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  92 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  93 import com.owncloud.android.ui.fragment.FileDetailFragment;
  94 import com.owncloud.android.ui.fragment.FileFragment;
  95 import com.owncloud.android.ui.fragment.OCFileListFragment;
  96 import com.owncloud.android.ui.preview.PreviewImageActivity;
  97 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  98 import com.owncloud.android.ui.preview.PreviewVideoActivity;
  99 import com.owncloud.android.utils.DisplayUtils;
 100 import com.owncloud.android.utils.Log_OC;
 101
 102
 103 /**
 104  * Displays, what files the user has available in his ownCloud.
 105  *
 106  * @author Bartek Przybylski
 107  * @author David A. Velasco
 108  */
 109
 110 public class FileDisplayActivity extends FileActivity implements
 111 OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener, OnSslValidatorListener, OnRemoteOperationListener, EditNameDialogListener {
 112
 113     private ArrayAdapter<String> mDirectories;
 114
 115     /** Access point to the cached database for the current ownCloud {@link Account} */
 116     private FileDataStorageManager mStorageManager = null;
 117
 118     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 119     private UploadFinishReceiver mUploadFinishReceiver;
 120     private DownloadFinishReceiver mDownloadFinishReceiver;
 121     private FileDownloaderBinder mDownloaderBinder = null;
 122     private FileUploaderBinder mUploaderBinder = null;
 123     private ServiceConnection mDownloadConnection = null, mUploadConnection = null;
 124     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 125
 126     private boolean mDualPane;
 127     private View mLeftFragmentContainer;
 128     private View mRightFragmentContainer;
 129
 130     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 131     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 132
 133     public static final int DIALOG_SHORT_WAIT = 0;
 134     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 135     private static final int DIALOG_SSL_VALIDATOR = 2;
 136     private static final int DIALOG_CERT_NOT_SAVED = 3;
 137
 138     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
 139
 140     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 141
 142     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 143     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 144
 145     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 146
 147     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 148     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 149
 150     private OCFile mWaitingToPreview;
 151     private Handler mHandler;
 152
 153     private boolean mSyncInProgress = false;
 154
 155     @Override
 156     protected void onCreate(Bundle savedInstanceState) {
 157         Log_OC.d(TAG, "onCreate() start");
 158         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 159
 160         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 161
 162         mHandler = new Handler();
 163
 164         /// bindings to transference services
 165         mUploadConnection = new ListServiceConnection();
 166         mDownloadConnection = new ListServiceConnection();
 167         bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 168         bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 169
 170         // PIN CODE request ;  best location is to decide, let's try this first
 171         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 172             requestPinCode();
 173         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 174             requestPinCode();
 175         }
 176
 177         /// file observer
 178         Intent observer_intent = new Intent(this, FileObserverService.class);
 179         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 180         startService(observer_intent);
 181
 182         /// Load of saved instance state
 183         if(savedInstanceState != null) {
 184             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 185             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 186
 187         } else {
 188             mWaitingToPreview = null;
 189             mSyncInProgress = false;
 190         }
 191
 192         /// USER INTERFACE
 193
 194         // Inflate and set the layout view
 195         setContentView(R.layout.files);
 196         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 197         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 198         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 199         if (savedInstanceState == null) {
 200             createMinFragments();
 201         }
 202
 203         // Action bar setup
 204         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 205         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 206         setSupportProgressBarIndeterminateVisibility(mSyncInProgress);    // always AFTER setContentView(...) ; to work around bug in its implementation
 207
 208         Log_OC.d(TAG, "onCreate() end");
 209     }
 210
 211     @Override
 212     protected void onStart() {
 213         super.onStart();
 214         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 215     }
 216
 217     @Override
 218     protected void onDestroy() {
 219         super.onDestroy();
 220         if (mDownloadConnection != null)
 221             unbindService(mDownloadConnection);
 222         if (mUploadConnection != null)
 223             unbindService(mUploadConnection);
 224     }
 225
 226
 227     /**
 228      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 229      */
 230     @Override
 231     protected void onAccountSet(boolean stateWasRecovered) {
 232         if (getAccount() != null) {
 233             mStorageManager = new FileDataStorageManager(getAccount(), getContentResolver());
 234
 235             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 236             OCFile file = getFile();
 237             // get parent from path
 238             String parentPath = "";
 239             if (file != null) {
 240                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 241                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 242                     // get parent from path
 243                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 244                     if (mStorageManager.getFileByPath(parentPath) ==  null)
 245                         file = null; // not able to know the directory where the file is uploading
 246                 } else {
 247                     file = mStorageManager.getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 248                 }
 249             }
 250             if (file == null) {
 251                 // fall back to root folder
 252                 file = mStorageManager.getFileByPath(OCFile.ROOT_PATH);  // never returns null
 253             }
 254             setFile(file);
 255             setNavigationListWithFolder(file);
 256
 257             if (!stateWasRecovered) {
 258                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 259                 initFragmentsWithFile();
 260                 if (file.isFolder()) {
 261                     startSyncFolderOperation(file);
 262                 }
 263
 264             } else {
 265                 updateFragmentsVisibility(!file.isFolder());
 266                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 267             }
 268
 269
 270         } else {
 271             Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
 272         }
 273     }
 274
 275
 276     private void setNavigationListWithFolder(OCFile file) {
 277         mDirectories.clear();
 278         OCFile fileIt = file;
 279         String parentPath;
 280         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 281             if (fileIt.isFolder()) {
 282                 mDirectories.add(fileIt.getFileName());
 283             }
 284             //fileIt = mStorageManager.getFileById(fileIt.getParentId());
 285             // get parent from path
 286             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 287             fileIt = mStorageManager.getFileByPath(parentPath);
 288         }
 289         mDirectories.add(OCFile.PATH_SEPARATOR);
 290     }
 291
 292
 293     private void createMinFragments() {
 294         OCFileListFragment listOfFiles = new OCFileListFragment();
 295         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 296         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 297         transaction.commit();
 298     }
 299
 300     private void initFragmentsWithFile() {
 301         if (getAccount() != null && getFile() != null) {
 302             /// First fragment
 303             OCFileListFragment listOfFiles = getListOfFilesFragment();
 304             if (listOfFiles != null) {
 305                 listOfFiles.listDirectory(getCurrentDir());
 306             } else {
 307                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 308             }
 309
 310             /// Second fragment
 311             OCFile file = getFile();
 312             Fragment secondFragment = chooseInitialSecondFragment(file);
 313             if (secondFragment != null) {
 314                 setSecondFragment(secondFragment);
 315                 updateFragmentsVisibility(true);
 316                 updateNavigationElementsInActionBar(file);
 317
 318             } else {
 319                 cleanSecondFragment();
 320             }
 321
 322         } else {
 323             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 324             if (getAccount() == null) {
 325                 Log.wtf(TAG, "\t account is NULL");
 326             }
 327             if (getFile() == null) {
 328                 Log.wtf(TAG, "\t file is NULL");
 329             }
 330         }
 331     }
 332
 333     private Fragment chooseInitialSecondFragment(OCFile file) {
 334         Fragment secondFragment = null;
 335         if (file != null && !file.isFolder()) {
 336             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 337                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 338                     ) {
 339                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 340                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 341                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 342
 343             } else {
 344                 secondFragment = new FileDetailFragment(file, getAccount());
 345             }
 346         }
 347         return secondFragment;
 348     }
 349
 350
 351     /**
 352      * Replaces the second fragment managed by the activity with the received as
 353      * a parameter.
 354      *
 355      * Assumes never will be more than two fragments managed at the same time.
 356      *
 357      * @param fragment      New second Fragment to set.
 358      */
 359     private void setSecondFragment(Fragment fragment) {
 360         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 361         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 362         transaction.commit();
 363     }
 364
 365
 366     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 367         if (mDualPane) {
 368             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 369                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 370             }
 371             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 372                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 373             }
 374
 375         } else if (existsSecondFragment) {
 376             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 377                 mLeftFragmentContainer.setVisibility(View.GONE);
 378             }
 379             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 380                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 381             }
 382
 383         } else {
 384             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 385                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 386             }
 387             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 388                 mRightFragmentContainer.setVisibility(View.GONE);
 389             }
 390         }
 391     }
 392
 393
 394     private OCFileListFragment getListOfFilesFragment() {
 395         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 396         if (listOfFiles != null) {
 397             return (OCFileListFragment)listOfFiles;
 398         }
 399         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 400         return null;
 401     }
 402
 403     protected FileFragment getSecondFragment() {
 404         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 405         if (second != null) {
 406             return (FileFragment)second;
 407         }
 408         return null;
 409     }
 410
 411     public void cleanSecondFragment() {
 412         Fragment second = getSecondFragment();
 413         if (second != null) {
 414             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 415             tr.remove(second);
 416             tr.commit();
 417         }
 418         updateFragmentsVisibility(false);
 419         updateNavigationElementsInActionBar(null);
 420     }
 421
 422     protected void refeshListOfFilesFragment() {
 423         OCFileListFragment fileListFragment = getListOfFilesFragment();
 424         if (fileListFragment != null) {
 425             fileListFragment.listDirectory();
 426         }
 427     }
 428
 429     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 430         FileFragment secondFragment = getSecondFragment();
 431         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 432         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 433             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 434             OCFile fileInFragment = detailsFragment.getFile();
 435             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 436                 // the user browsed to other file ; forget the automatic preview
 437                 mWaitingToPreview = null;
 438
 439             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 440                 // grant that the right panel updates the progress bar
 441                 detailsFragment.listenForTransferProgress();
 442                 detailsFragment.updateFileDetails(true, false);
 443
 444             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 445                 //  update the right panel
 446                 boolean detailsFragmentChanged = false;
 447                 if (waitedPreview) {
 448                     if (success) {
 449                         mWaitingToPreview = mStorageManager.getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 450                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 451                             startMediaPreview(mWaitingToPreview, 0, true);
 452                             detailsFragmentChanged = true;
 453                         } else {
 454                             openFile(mWaitingToPreview);
 455                         }
 456                     }
 457                     mWaitingToPreview = null;
 458                 }
 459                 if (!detailsFragmentChanged) {
 460                     detailsFragment.updateFileDetails(false, (success));
 461                 }
 462             }
 463         }
 464     }
 465
 466
 467     @Override
 468     public boolean onCreateOptionsMenu(Menu menu) {
 469         MenuInflater inflater = getSherlock().getMenuInflater();
 470         inflater.inflate(R.menu.main_menu, menu);
 471         return true;
 472     }
 473
 474     @Override
 475     public boolean onOptionsItemSelected(MenuItem item) {
 476         boolean retval = true;
 477         switch (item.getItemId()) {
 478         case R.id.action_create_dir: {
 479             EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.uploader_info_dirname), "", -1, -1, this);
 480             dialog.show(getSupportFragmentManager(), "createdirdialog");
 481             break;
 482         }
 483         case R.id.action_sync_account: {
 484             startSynchronization();
 485             break;
 486         }
 487         case R.id.action_upload: {
 488             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 489             break;
 490         }
 491         case R.id.action_settings: {
 492             Intent settingsIntent = new Intent(this, Preferences.class);
 493             startActivity(settingsIntent);
 494             break;
 495         }
 496         case android.R.id.home: {
 497             FileFragment second = getSecondFragment();
 498             OCFile currentDir = getCurrentDir();
 499             if((currentDir != null && currentDir.getParentId() != 0) ||
 500                     (second != null && second.getFile() != null)) {
 501                 onBackPressed();
 502
 503             }
 504             break;
 505         }
 506         default:
 507             retval = super.onOptionsItemSelected(item);
 508         }
 509         return retval;
 510     }
 511
 512     private void startSynchronization() {
 513         Log_OC.e(TAG, "Got to start sync");
 514         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 515             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 516             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 517             Bundle bundle = new Bundle();
 518             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 519             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 520             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 521             ContentResolver.requestSync(
 522                     getAccount(),
 523                     MainApp.getAuthority(), bundle);
 524         } else {
 525             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 526             SyncRequest.Builder builder = new SyncRequest.Builder();
 527             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 528             builder.setExpedited(true);
 529             builder.setManual(true);
 530             builder.syncOnce();
 531             SyncRequest request = builder.build();
 532             ContentResolver.requestSync(request);
 533         }
 534     }
 535
 536
 537     @Override
 538     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 539         if (itemPosition != 0) {
 540             String targetPath = "";
 541             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 542                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 543             }
 544             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 545             OCFile targetFolder = mStorageManager.getFileByPath(targetPath);
 546             if (targetFolder != null) {
 547                 browseTo(targetFolder);
 548             }
 549
 550             // the next operation triggers a new call to this method, but it's necessary to
 551             // ensure that the name exposed in the action bar is the current directory when the
 552             // user selected it in the navigation list
 553             getSupportActionBar().setSelectedNavigationItem(0);
 554         }
 555         return true;
 556     }
 557
 558     /**
 559      * Called, when the user selected something for uploading
 560      */
 561     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 562         super.onActivityResult(requestCode, resultCode, data);
 563
 564         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 565             requestSimpleUpload(data, resultCode);
 566
 567         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 568             requestMultipleUpload(data, resultCode);
 569
 570         }
 571     }
 572
 573     private void requestMultipleUpload(Intent data, int resultCode) {
 574         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 575         if (filePaths != null) {
 576             String[] remotePaths = new String[filePaths.length];
 577             String remotePathBase = "";
 578             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 579                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 580             }
 581             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 582                 remotePathBase += OCFile.PATH_SEPARATOR;
 583             for (int j = 0; j< remotePaths.length; j++) {
 584                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 585             }
 586
 587             Intent i = new Intent(this, FileUploader.class);
 588             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 589             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 590             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 591             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 592             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 593                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 594             startService(i);
 595
 596         } else {
 597             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 598             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 599             t.show();
 600             return;
 601         }
 602     }
 603
 604
 605     private void requestSimpleUpload(Intent data, int resultCode) {
 606         String filepath = null;
 607         try {
 608             Uri selectedImageUri = data.getData();
 609
 610             String filemanagerstring = selectedImageUri.getPath();
 611             String selectedImagePath = getPath(selectedImageUri);
 612
 613             if (selectedImagePath != null)
 614                 filepath = selectedImagePath;
 615             else
 616                 filepath = filemanagerstring;
 617
 618         } catch (Exception e) {
 619             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 620             e.printStackTrace();
 621
 622         } finally {
 623             if (filepath == null) {
 624                 Log_OC.e(TAG, "Couldnt resolve path to file");
 625                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 626                 t.show();
 627                 return;
 628             }
 629         }
 630
 631         Intent i = new Intent(this, FileUploader.class);
 632         i.putExtra(FileUploader.KEY_ACCOUNT,
 633                 getAccount());
 634         String remotepath = new String();
 635         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 636             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 637         }
 638         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 639             remotepath += OCFile.PATH_SEPARATOR;
 640         remotepath += new File(filepath).getName();
 641
 642         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 643         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 644         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 645         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 646             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 647         startService(i);
 648     }
 649
 650     @Override
 651     public void onBackPressed() {
 652         OCFileListFragment listOfFiles = getListOfFilesFragment();
 653         if (mDualPane || getSecondFragment() == null) {
 654             if (listOfFiles != null) {  // should never be null, indeed
 655                 if (mDirectories.getCount() <= 1) {
 656                     finish();
 657                     return;
 658                 }
 659                 int levelsUp = listOfFiles.onBrowseUp();
 660                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 661                     popDirname();
 662                 }
 663             }
 664         }
 665         if (listOfFiles != null) {  // should never be null, indeed
 666             setFile(listOfFiles.getCurrentFile());
 667         }
 668         cleanSecondFragment();
 669
 670     }
 671
 672     @Override
 673     protected void onSaveInstanceState(Bundle outState) {
 674         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 675         Log_OC.e(TAG, "onSaveInstanceState() start");
 676         super.onSaveInstanceState(outState);
 677         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 678         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 679
 680         Log_OC.d(TAG, "onSaveInstanceState() end");
 681     }
 682
 683
 684
 685     @Override
 686     protected void onResume() {
 687         super.onResume();
 688         Log_OC.e(TAG, "onResume() start");
 689
 690         // Listen for sync messages
 691         IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.getSyncMessage());
 692         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 693         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 694
 695         // Listen for upload messages
 696         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 697         mUploadFinishReceiver = new UploadFinishReceiver();
 698         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 699
 700         // Listen for download messages
 701         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 702         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 703         mDownloadFinishReceiver = new DownloadFinishReceiver();
 704         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 705
 706         Log_OC.d(TAG, "onResume() end");
 707     }
 708
 709
 710     @Override
 711     protected void onPause() {
 712         super.onPause();
 713         Log_OC.e(TAG, "onPause() start");
 714         if (mSyncBroadcastReceiver != null) {
 715             unregisterReceiver(mSyncBroadcastReceiver);
 716             mSyncBroadcastReceiver = null;
 717         }
 718         if (mUploadFinishReceiver != null) {
 719             unregisterReceiver(mUploadFinishReceiver);
 720             mUploadFinishReceiver = null;
 721         }
 722         if (mDownloadFinishReceiver != null) {
 723             unregisterReceiver(mDownloadFinishReceiver);
 724             mDownloadFinishReceiver = null;
 725         }
 726
 727         Log_OC.d(TAG, "onPause() end");
 728     }
 729
 730
 731     @Override
 732     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 733         if (id == DIALOG_SSL_VALIDATOR && mLastSslUntrustedServerResult != null) {
 734             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 735         }
 736     }
 737
 738
 739     @Override
 740     protected Dialog onCreateDialog(int id) {
 741         Dialog dialog = null;
 742         AlertDialog.Builder builder;
 743         switch (id) {
 744         case DIALOG_SHORT_WAIT: {
 745             ProgressDialog working_dialog = new ProgressDialog(this);
 746             working_dialog.setMessage(getResources().getString(
 747                     R.string.wait_a_moment));
 748             working_dialog.setIndeterminate(true);
 749             working_dialog.setCancelable(false);
 750             dialog = working_dialog;
 751             break;
 752         }
 753         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 754
 755             String[] items = null;
 756
 757             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 758                     getString(R.string.actionbar_upload_from_apps),
 759                     getString(R.string.actionbar_failed_instant_upload) };
 760
 761             String[] commonItems = { getString(R.string.actionbar_upload_files),
 762                     getString(R.string.actionbar_upload_from_apps) };
 763
 764             if (InstantUploadActivity.IS_ENABLED)
 765                 items = allTheItems;
 766             else
 767                 items = commonItems;
 768
 769             builder = new AlertDialog.Builder(this);
 770             builder.setTitle(R.string.actionbar_upload);
 771             builder.setItems(items, new DialogInterface.OnClickListener() {
 772                 public void onClick(DialogInterface dialog, int item) {
 773                     if (item == 0) {
 774                         // if (!mDualPane) {
 775                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 776                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 777                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 778                             // } else {
 779                             // TODO create and handle new fragment
 780                             // LocalFileListFragment
 781                             // }
 782                     } else if (item == 1) {
 783                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 784                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 785                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 786                                 ACTION_SELECT_CONTENT_FROM_APPS);
 787                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 788                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 789                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 790                         startActivity(action);
 791                     }
 792                 }
 793             });
 794             dialog = builder.create();
 795             break;
 796         }
 797         case DIALOG_SSL_VALIDATOR: {
 798             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 799             break;
 800         }
 801         case DIALOG_CERT_NOT_SAVED: {
 802             builder = new AlertDialog.Builder(this);
 803             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 804             builder.setCancelable(false);
 805             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 806                 @Override
 807                 public void onClick(DialogInterface dialog, int which) {
 808                     dialog.dismiss();
 809                 };
 810             });
 811             dialog = builder.create();
 812             break;
 813         }
 814         default:
 815             dialog = null;
 816         }
 817
 818         return dialog;
 819     }
 820
 821
 822     /**
 823      * Show loading dialog
 824      */
 825     public void showLoadingDialog() {
 826         // Construct dialog
 827         LoadingDialog loading = new LoadingDialog(getResources().getString(R.string.wait_a_moment));
 828         FragmentManager fm = getSupportFragmentManager();
 829         FragmentTransaction ft = fm.beginTransaction();
 830         loading.show(ft, DIALOG_WAIT_TAG);
 831
 832     }
 833
 834     /**
 835      * Dismiss loading dialog
 836      */
 837     public void dismissLoadingDialog(){
 838         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 839       if (frag != null) {
 840           LoadingDialog loading = (LoadingDialog) frag;
 841             loading.dismiss();
 842         }
 843     }
 844
 845
 846     /**
 847      * Translates a content URI of an image to a physical path
 848      * on the disk
 849      * @param uri The URI to resolve
 850      * @return The path to the image or null if it could not be found
 851      */
 852     public String getPath(Uri uri) {
 853         String[] projection = { MediaStore.Images.Media.DATA };
 854         Cursor cursor = managedQuery(uri, projection, null, null, null);
 855         if (cursor != null) {
 856             int column_index = cursor
 857                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 858             cursor.moveToFirst();
 859             return cursor.getString(column_index);
 860         }
 861         return null;
 862     }
 863
 864     /**
 865      * Pushes a directory to the drop down list
 866      * @param directory to push
 867      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 868      */
 869     public void pushDirname(OCFile directory) {
 870         if(!directory.isFolder()){
 871             throw new IllegalArgumentException("Only directories may be pushed!");
 872         }
 873         mDirectories.insert(directory.getFileName(), 0);
 874         setFile(directory);
 875     }
 876
 877     /**
 878      * Pops a directory name from the drop down list
 879      * @return True, unless the stack is empty
 880      */
 881     public boolean popDirname() {
 882         mDirectories.remove(mDirectories.getItem(0));
 883         return !mDirectories.isEmpty();
 884     }
 885
 886     // Custom array adapter to override text colors
 887     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 888
 889         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 890             super(ctx, view);
 891         }
 892
 893         public View getView(int position, View convertView, ViewGroup parent) {
 894             View v = super.getView(position, convertView, parent);
 895
 896             ((TextView) v).setTextColor(getResources().getColorStateList(
 897                     android.R.color.white));
 898             return v;
 899         }
 900
 901         public View getDropDownView(int position, View convertView,
 902                 ViewGroup parent) {
 903             View v = super.getDropDownView(position, convertView, parent);
 904
 905             ((TextView) v).setTextColor(getResources().getColorStateList(
 906                     android.R.color.white));
 907
 908             return v;
 909         }
 910
 911     }
 912
 913     private class SyncBroadcastReceiver extends BroadcastReceiver {
 914
 915         /**
 916          * {@link BroadcastReceiver} to enable syncing feedback in UI
 917          */
 918         @Override
 919         public void onReceive(Context context, Intent intent) {
 920             boolean inProgress = intent.getBooleanExtra(FileSyncService.IN_PROGRESS, false);
 921             String accountName = intent.getStringExtra(FileSyncService.ACCOUNT_NAME);
 922             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncService.SYNC_RESULT);
 923
 924             if (getAccount() != null && accountName.equals(getAccount().name)
 925                     && mStorageManager != null
 926                     ) {
 927
 928                 /// get the shared files
 929                 if (isSharedSupported()) {
 930                     startGetShares();
 931                 }
 932
 933                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH);
 934
 935                 OCFile currentFile = (getFile() == null) ? null : mStorageManager.getFileByPath(getFile().getRemotePath());
 936                 OCFile currentDir = (getCurrentDir() == null) ? null : mStorageManager.getFileByPath(getCurrentDir().getRemotePath());
 937
 938                 if (currentDir == null) {
 939                     // current folder was removed from the server
 940                     Toast.makeText( FileDisplayActivity.this,
 941                                     String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 942                                     Toast.LENGTH_LONG)
 943                         .show();
 944                     browseToRoot();
 945
 946                 } else {
 947                     if (currentFile == null && !getFile().isFolder()) {
 948                         // currently selected file was removed in the server, and now we know it
 949                         cleanSecondFragment();
 950                         currentFile = currentDir;
 951                     }
 952
 953                     if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 954                         OCFileListFragment fileListFragment = getListOfFilesFragment();
 955                         if (fileListFragment != null) {
 956                             fileListFragment.listDirectory(currentDir);
 957                         }
 958                     }
 959                     setFile(currentFile);
 960                 }
 961
 962                 setSupportProgressBarIndeterminateVisibility(inProgress);
 963                 removeStickyBroadcast(intent);
 964                 mSyncInProgress = inProgress;
 965
 966             }
 967
 968             if (synchResult != null) {
 969                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 970                     mLastSslUntrustedServerResult = synchResult;
 971                     showDialog(DIALOG_SSL_VALIDATOR);
 972                 }
 973             }
 974         }
 975     }
 976
 977
 978     private class UploadFinishReceiver extends BroadcastReceiver {
 979         /**
 980          * Once the file upload has finished -> update view
 981          *  @author David A. Velasco
 982          * {@link BroadcastReceiver} to enable upload feedback in UI
 983          */
 984         @Override
 985         public void onReceive(Context context, Intent intent) {
 986             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 987             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 988             boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
 989             OCFile currentDir = getCurrentDir();
 990             boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) && (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
 991             if (sameAccount && isDescendant) {
 992                 refeshListOfFilesFragment();
 993             }
 994         }
 995
 996     }
 997
 998
 999     /**
1000      * Class waiting for broadcast events from the {@link FielDownloader} service.
1001      *
1002      * Updates the UI when a download is started or finished, provided that it is relevant for the
1003      * current folder.
1004      */
1005     private class DownloadFinishReceiver extends BroadcastReceiver {
1006         @Override
1007         public void onReceive(Context context, Intent intent) {
1008             boolean sameAccount = isSameAccount(context, intent);
1009             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1010             boolean isDescendant = isDescendant(downloadedRemotePath);
1011
1012             if (sameAccount && isDescendant) {
1013                 refeshListOfFilesFragment();
1014                 refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1015             }
1016
1017             removeStickyBroadcast(intent);
1018         }
1019
1020         private boolean isDescendant(String downloadedRemotePath) {
1021             OCFile currentDir = getCurrentDir();
1022             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1023         }
1024
1025         private boolean isSameAccount(Context context, Intent intent) {
1026             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1027             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1028         }
1029     }
1030
1031
1032     /**
1033      * {@inheritDoc}
1034      */
1035     @Override
1036     public FileDataStorageManager getStorageManager() {
1037         return mStorageManager;
1038     }
1039
1040
1041     public void browseToRoot() {
1042         OCFileListFragment listOfFiles = getListOfFilesFragment();
1043         if (listOfFiles != null) {  // should never be null, indeed
1044             while (mDirectories.getCount() > 1) {
1045                 popDirname();
1046             }
1047             OCFile root = mStorageManager.getFileByPath(OCFile.ROOT_PATH);
1048             listOfFiles.listDirectory(root);
1049             setFile(listOfFiles.getCurrentFile());
1050             startSyncFolderOperation(root);
1051         }
1052         cleanSecondFragment();
1053     }
1054
1055
1056     public void browseTo(OCFile folder) {
1057         if (folder == null || !folder.isFolder()) {
1058             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1059         }
1060         OCFileListFragment listOfFiles = getListOfFilesFragment();
1061         if (listOfFiles != null) {
1062             setNavigationListWithFolder(folder);
1063             listOfFiles.listDirectory(folder);
1064             setFile(listOfFiles.getCurrentFile());
1065             startSyncFolderOperation(folder);
1066         } else {
1067             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1068         }
1069         cleanSecondFragment();
1070     }
1071
1072
1073     /**
1074      * {@inheritDoc}
1075      *
1076      * Updates action bar and second fragment, if in dual pane mode.
1077      */
1078     @Override
1079     public void onBrowsedDownTo(OCFile directory) {
1080         pushDirname(directory);
1081         cleanSecondFragment();
1082
1083         // Sync Folder
1084         startSyncFolderOperation(directory);
1085
1086     }
1087
1088     /**
1089      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1090      *
1091      * @param file                      Image {@link OCFile} to show.
1092      */
1093     @Override
1094     public void startImagePreview(OCFile file) {
1095         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1096         showDetailsIntent.putExtra(EXTRA_FILE, file);
1097         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1098         startActivity(showDetailsIntent);
1099     }
1100
1101     /**
1102      * Stars the preview of an already down media {@link OCFile}.
1103      *
1104      * @param file                      Media {@link OCFile} to preview.
1105      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1106      * @param autoplay                  When 'true', the playback will start without user interactions.
1107      */
1108     @Override
1109     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1110         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1111         setSecondFragment(mediaFragment);
1112         updateFragmentsVisibility(true);
1113         updateNavigationElementsInActionBar(file);
1114         setFile(file);
1115     }
1116
1117     /**
1118      * Requests the download of the received {@link OCFile} , updates the UI
1119      * to monitor the download progress and prepares the activity to preview
1120      * or open the file when the download finishes.
1121      *
1122      * @param file          {@link OCFile} to download and preview.
1123      */
1124     @Override
1125     public void startDownloadForPreview(OCFile file) {
1126         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1127         setSecondFragment(detailFragment);
1128         mWaitingToPreview = file;
1129         requestForDownload();
1130         updateFragmentsVisibility(true);
1131         updateNavigationElementsInActionBar(file);
1132         setFile(file);
1133     }
1134
1135
1136     /**
1137      * Shows the information of the {@link OCFile} received as a
1138      * parameter in the second fragment.
1139      *
1140      * @param file          {@link OCFile} whose details will be shown
1141      */
1142     @Override
1143     public void showDetails(OCFile file) {
1144         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1145         setSecondFragment(detailFragment);
1146         updateFragmentsVisibility(true);
1147         updateNavigationElementsInActionBar(file);
1148         setFile(file);
1149     }
1150
1151
1152     /**
1153      * TODO
1154      */
1155     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1156         ActionBar actionBar = getSupportActionBar();
1157         if (chosenFile == null || mDualPane) {
1158             // only list of files - set for browsing through folders
1159             OCFile currentDir = getCurrentDir();
1160             actionBar.setDisplayHomeAsUpEnabled(currentDir != null && currentDir.getParentId() != 0);
1161             actionBar.setDisplayShowTitleEnabled(false);
1162             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
1163             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1164
1165         } else {
1166             actionBar.setDisplayHomeAsUpEnabled(true);
1167             actionBar.setDisplayShowTitleEnabled(true);
1168             actionBar.setTitle(chosenFile.getFileName());
1169             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1170         }
1171     }
1172
1173
1174     /**
1175      * {@inheritDoc}
1176      */
1177     @Override
1178     public void onFileStateChanged() {
1179         refeshListOfFilesFragment();
1180         updateNavigationElementsInActionBar(getSecondFragment().getFile());
1181     }
1182
1183
1184     /**
1185      * {@inheritDoc}
1186      */
1187     @Override
1188     public FileDownloaderBinder getFileDownloaderBinder() {
1189         return mDownloaderBinder;
1190     }
1191
1192
1193     /**
1194      * {@inheritDoc}
1195      */
1196     @Override
1197     public FileUploaderBinder getFileUploaderBinder() {
1198         return mUploaderBinder;
1199     }
1200
1201
1202     /** Defines callbacks for service binding, passed to bindService() */
1203     private class ListServiceConnection implements ServiceConnection {
1204
1205         @Override
1206         public void onServiceConnected(ComponentName component, IBinder service) {
1207             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1208                 Log_OC.d(TAG, "Download service connected");
1209                 mDownloaderBinder = (FileDownloaderBinder) service;
1210                 if (mWaitingToPreview != null) {
1211                     requestForDownload();
1212                 }
1213
1214             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1215                 Log_OC.d(TAG, "Upload service connected");
1216                 mUploaderBinder = (FileUploaderBinder) service;
1217             } else {
1218                 return;
1219             }
1220             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1221             OCFileListFragment listOfFiles = getListOfFilesFragment();
1222             if (listOfFiles != null) {
1223                 listOfFiles.listDirectory();
1224             }
1225             FileFragment secondFragment = getSecondFragment();
1226             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1227                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1228                 detailFragment.listenForTransferProgress();
1229                 detailFragment.updateFileDetails(false, false);
1230             }
1231         }
1232
1233         @Override
1234         public void onServiceDisconnected(ComponentName component) {
1235             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1236                 Log_OC.d(TAG, "Download service disconnected");
1237                 mDownloaderBinder = null;
1238             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1239                 Log_OC.d(TAG, "Upload service disconnected");
1240                 mUploaderBinder = null;
1241             }
1242         }
1243     };
1244
1245
1246
1247     /**
1248      * Launch an intent to request the PIN code to the user before letting him use the app
1249      */
1250     private void requestPinCode() {
1251         boolean pinStart = false;
1252         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1253         pinStart = appPrefs.getBoolean("set_pincode", false);
1254         if (pinStart) {
1255             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1256             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1257             startActivity(i);
1258         }
1259     }
1260
1261
1262     @Override
1263     public void onSavedCertificate() {
1264         startSyncFolderOperation(getCurrentDir());
1265     }
1266
1267
1268     @Override
1269     public void onFailedSavingCertificate() {
1270         showDialog(DIALOG_CERT_NOT_SAVED);
1271     }
1272
1273
1274     /**
1275      * Updates the view associated to the activity after the finish of some operation over files
1276      * in the current account.
1277      *
1278      * @param operation     Removal operation performed.
1279      * @param result        Result of the removal.
1280      */
1281     @Override
1282     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1283         if (operation instanceof RemoveFileOperation) {
1284             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1285
1286         } else if (operation instanceof RenameFileOperation) {
1287             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1288
1289         } else if (operation instanceof SynchronizeFileOperation) {
1290             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1291
1292         } else if (operation instanceof CreateFolderOperation) {
1293             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1294
1295         } else if (operation instanceof GetSharesOperation) {
1296             onGetSharesOperationFinish((GetSharesOperation) operation, result);
1297         }
1298     }
1299
1300
1301     /** Updates the data about shared files
1302      *
1303      * @param operation     Get Shared Files
1304      * @param result        Result of the operation
1305      */
1306     private void onGetSharesOperationFinish(GetSharesOperation operation, RemoteOperationResult result) {
1307         // TODO
1308         // Refresh the filelist with the information
1309         refeshListOfFilesFragment();
1310
1311     }
1312
1313     /**
1314      * Updates the view associated to the activity after the finish of an operation trying to remove a
1315      * file.
1316      *
1317      * @param operation     Removal operation performed.
1318      * @param result        Result of the removal.
1319      */
1320     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1321         dismissLoadingDialog();
1322         if (result.isSuccess()) {
1323             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1324             msg.show();
1325             OCFile removedFile = operation.getFile();
1326             getSecondFragment();
1327             FileFragment second = getSecondFragment();
1328             if (second != null && removedFile.equals(second.getFile())) {
1329                 cleanSecondFragment();
1330             }
1331             if (mStorageManager.getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1332                 refeshListOfFilesFragment();
1333             }
1334
1335         } else {
1336             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1337             msg.show();
1338             if (result.isSslRecoverableException()) {
1339                 mLastSslUntrustedServerResult = result;
1340                 showDialog(DIALOG_SSL_VALIDATOR);
1341             }
1342         }
1343     }
1344
1345     /**
1346      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1347      *
1348      * @param operation     Creation operation performed.
1349      * @param result        Result of the creation.
1350      */
1351     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1352         if (result.isSuccess()) {
1353             dismissLoadingDialog();
1354             refeshListOfFilesFragment();
1355
1356         } else {
1357             dismissLoadingDialog();
1358             if (result.getCode() == ResultCode.INVALID_CHARACTER_IN_NAME) {
1359                 Toast.makeText(FileDisplayActivity.this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG).show();
1360             } else {
1361             try {
1362                 Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
1363                 msg.show();
1364
1365             } catch (NotFoundException e) {
1366                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1367             }
1368             }
1369         }
1370     }
1371
1372
1373     /**
1374      * Updates the view associated to the activity after the finish of an operation trying to rename a
1375      * file.
1376      *
1377      * @param operation     Renaming operation performed.
1378      * @param result        Result of the renaming.
1379      */
1380     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1381         dismissLoadingDialog();
1382         OCFile renamedFile = operation.getFile();
1383         if (result.isSuccess()) {
1384             if (mDualPane) {
1385                 FileFragment details = getSecondFragment();
1386                 if (details != null && details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1387                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1388                 }
1389             }
1390             if (mStorageManager.getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1391                 refeshListOfFilesFragment();
1392             }
1393
1394         } else {
1395             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1396                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1397                 msg.show();
1398                 // TODO throw again the new rename dialog
1399             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
1400                 Toast msg = Toast.makeText(this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
1401                 msg.show();
1402             } else {
1403                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1404                 msg.show();
1405                 if (result.isSslRecoverableException()) {
1406                     mLastSslUntrustedServerResult = result;
1407                     showDialog(DIALOG_SSL_VALIDATOR);
1408                 }
1409             }
1410         }
1411     }
1412
1413
1414     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1415         dismissLoadingDialog();
1416         OCFile syncedFile = operation.getLocalFile();
1417         if (!result.isSuccess()) {
1418             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1419                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1420                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1421                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1422                 startActivity(i);
1423
1424             }
1425
1426         } else {
1427             if (operation.transferWasRequested()) {
1428                 refeshListOfFilesFragment();
1429                 onTransferStateChanged(syncedFile, true, true);
1430
1431             } else {
1432                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1433                 msg.show();
1434             }
1435         }
1436     }
1437
1438
1439     /**
1440      * {@inheritDoc}
1441      */
1442     @Override
1443     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1444         if (mDualPane) {
1445             FileFragment details = getSecondFragment();
1446             if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1447                 if (downloading || uploading) {
1448                     ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1449                 } else {
1450                     ((FileDetailFragment)details).updateFileDetails(false, true);
1451                 }
1452             }
1453         }
1454     }
1455
1456
1457     public void onDismiss(EditNameDialog dialog) {
1458         if (dialog.getResult()) {
1459             String newDirectoryName = dialog.getNewFilename().trim();
1460             Log_OC.d(TAG, "'create directory' dialog dismissed with new name " + newDirectoryName);
1461             if (newDirectoryName.length() > 0) {
1462                 String path = getCurrentDir().getRemotePath();
1463
1464                 // Create directory
1465                 path += newDirectoryName + OCFile.PATH_SEPARATOR;
1466                 RemoteOperation operation = new CreateFolderOperation(path, false, mStorageManager);
1467                 operation.execute(  getAccount(),
1468                         FileDisplayActivity.this,
1469                         FileDisplayActivity.this,
1470                         mHandler,
1471                         FileDisplayActivity.this);
1472
1473                 showLoadingDialog();
1474             }
1475         }
1476     }
1477
1478
1479     private void requestForDownload() {
1480         Account account = getAccount();
1481         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1482             Intent i = new Intent(this, FileDownloader.class);
1483             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1484             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1485             startService(i);
1486         }
1487     }
1488
1489
1490     private OCFile getCurrentDir() {
1491         OCFile file = getFile();
1492         if (file != null) {
1493             if (file.isFolder()) {
1494                 return file;
1495             } else if (mStorageManager != null) {
1496                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1497                 return mStorageManager.getFileByPath(parentPath);
1498             }
1499         }
1500         return null;
1501     }
1502
1503     public void startSyncFolderOperation(OCFile folder) {
1504         long currentSyncTime = System.currentTimeMillis();
1505
1506         mSyncInProgress = true;
1507
1508         // perform folder synchronization
1509         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1510                                                                         currentSyncTime,
1511                                                                         false,
1512                                                                         getStorageManager(),
1513                                                                         getAccount(),
1514                                                                         getApplicationContext()
1515                                                                       );
1516         synchFolderOp.execute(getAccount(), this, null, null, this);
1517
1518         setSupportProgressBarIndeterminateVisibility(true);
1519     }
1520
1521
1522     private void startGetShares() {
1523         // Get shared files/folders
1524         RemoteOperation getShares = new GetSharesOperation(mStorageManager);
1525         getShares.execute(getAccount(), this, this, mHandler, this);
1526
1527     }
1528
1529 //    public void enableDisableViewGroup(ViewGroup viewGroup, boolean enabled) {
1530 //        int childCount = viewGroup.getChildCount();
1531 //        for (int i = 0; i < childCount; i++) {
1532 //          View view = viewGroup.getChildAt(i);
1533 //          view.setEnabled(enabled);
1534 //          view.setClickable(!enabled);
1535 //          if (view instanceof ViewGroup) {
1536 //            enableDisableViewGroup((ViewGroup) view, enabled);
1537 //          }
1538 //        }
1539 //      }
1540 }