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 as published by
   7  *   the Free Software Foundation, either version 3 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 package com.owncloud.android.ui.activity;
  21
  22 import java.io.File;
  23
  24 import android.accounts.Account;
  25 import android.app.AlertDialog;
  26 import android.app.ProgressDialog;
  27 import android.app.AlertDialog.Builder;
  28 import android.app.Dialog;
  29 import android.content.BroadcastReceiver;
  30 import android.content.ComponentName;
  31 import android.content.ContentResolver;
  32 import android.content.Context;
  33 import android.content.DialogInterface;
  34 import android.content.DialogInterface.OnClickListener;
  35 import android.content.Intent;
  36 import android.content.IntentFilter;
  37 import android.content.ServiceConnection;
  38 import android.content.SharedPreferences;
  39 import android.content.SharedPreferences.Editor;
  40 import android.content.pm.PackageInfo;
  41 import android.content.pm.PackageManager.NameNotFoundException;
  42 import android.content.res.Resources.NotFoundException;
  43 import android.database.Cursor;
  44 import android.graphics.Bitmap;
  45 import android.graphics.drawable.BitmapDrawable;
  46 import android.net.Uri;
  47 import android.os.Bundle;
  48 import android.os.Handler;
  49 import android.os.IBinder;
  50 import android.preference.PreferenceManager;
  51 import android.provider.MediaStore;
  52 import android.support.v4.app.Fragment;
  53 import android.support.v4.app.FragmentTransaction;
  54 import android.util.Log;
  55 import android.view.View;
  56 import android.view.ViewGroup;
  57 import android.widget.ArrayAdapter;
  58 import android.widget.EditText;
  59 import android.widget.TextView;
  60 import android.widget.Toast;
  61
  62 import com.actionbarsherlock.app.ActionBar;
  63 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  64 import com.actionbarsherlock.app.SherlockFragmentActivity;
  65 import com.actionbarsherlock.view.Menu;
  66 import com.actionbarsherlock.view.MenuInflater;
  67 import com.actionbarsherlock.view.MenuItem;
  68 import com.actionbarsherlock.view.Window;
  69 import com.owncloud.android.AccountUtils;
  70 import com.owncloud.android.Log_OC;
  71 import com.owncloud.android.R;
  72 import com.owncloud.android.authenticator.AccountAuthenticator;
  73 import com.owncloud.android.datamodel.DataStorageManager;
  74 import com.owncloud.android.datamodel.FileDataStorageManager;
  75 import com.owncloud.android.datamodel.OCFile;
  76 import com.owncloud.android.files.services.FileDownloader;
  77 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  78 import com.owncloud.android.files.services.FileObserverService;
  79 import com.owncloud.android.files.services.FileUploader;
  80 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  81 import com.owncloud.android.network.OwnCloudClientUtils;
  82 import com.owncloud.android.operations.OnRemoteOperationListener;
  83 import com.owncloud.android.operations.RemoteOperation;
  84 import com.owncloud.android.operations.RemoteOperationResult;
  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.RemoteOperationResult.ResultCode;
  89 import com.owncloud.android.syncadapter.FileSyncService;
  90 import com.owncloud.android.ui.dialog.ChangelogDialog;
  91 import com.owncloud.android.ui.dialog.EditNameDialog;
  92 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  93 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  94 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  95 import com.owncloud.android.ui.fragment.FileDetailFragment;
  96 import com.owncloud.android.ui.fragment.FileFragment;
  97 import com.owncloud.android.ui.fragment.OCFileListFragment;
  98 import com.owncloud.android.ui.preview.PreviewImageActivity;
  99 import com.owncloud.android.ui.preview.PreviewImageFragment;
 100 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 101
 102 import com.owncloud.android.R;
 103 import eu.alefzero.webdav.WebdavClient;
 104
 105 /**
 106  * Displays, what files the user has available in his ownCloud.
 107  *
 108  * @author Bartek Przybylski
 109  * @author David A. Velasco
 110  */
 111
 112 public class FileDisplayActivity extends SherlockFragmentActivity implements
 113     OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener, OnSslValidatorListener, OnRemoteOperationListener, EditNameDialogListener {
 114
 115     private ArrayAdapter<String> mDirectories;
 116     private OCFile mCurrentDir = null;
 117     private OCFile mCurrentFile = null;
 118
 119     private DataStorageManager mStorageManager;
 120     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 121     private UploadFinishReceiver mUploadFinishReceiver;
 122     private DownloadFinishReceiver mDownloadFinishReceiver;
 123     private FileDownloaderBinder mDownloaderBinder = null;
 124     private FileUploaderBinder mUploaderBinder = null;
 125     private ServiceConnection mDownloadConnection = null, mUploadConnection = null;
 126     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 127
 128     private OCFileListFragment mFileList;
 129
 130     private boolean mDualPane;
 131     private boolean mBackFromCreatingFirstAccount;
 132
 133     private static final int DIALOG_SETUP_ACCOUNT = 0;
 134     private static final int DIALOG_CREATE_DIR = 1;
 135     public static final int DIALOG_SHORT_WAIT = 3;
 136     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 4;
 137     private static final int DIALOG_SSL_VALIDATOR = 5;
 138     private static final int DIALOG_CERT_NOT_SAVED = 6;
 139     private static final String DIALOG_CHANGELOG_TAG = "DIALOG_CHANGELOG";
 140
 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";
 146
 147     private static int[] mMenuIdentifiersToPatch = {R.id.action_about_app};
 148
 149     private OCFile mWaitingToPreview;
 150     private Handler mHandler;
 151
 152     @Override
 153     public void onCreate(Bundle savedInstanceState) {
 154         Log_OC.d(getClass().toString(), "onCreate() start");
 155         super.onCreate(savedInstanceState);
 156
 157         /// Load of parameters from received intent
 158         Account account = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
 159         if (account != null && AccountUtils.setCurrentOwnCloudAccount(this, account.name)) {
 160             mCurrentDir = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 161         }
 162
 163         /// Load of saved instance state: keep this always before initDataFromCurrentAccount()
 164         if(savedInstanceState != null) {
 165             // TODO - test if savedInstanceState should take precedence over file in the intent ALWAYS (now), NEVER, or SOME TIMES
 166             mCurrentDir = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 167             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDetailActivity.KEY_WAITING_TO_PREVIEW);
 168
 169         } else {
 170             mWaitingToPreview = null;
 171         }
 172
 173         if (!AccountUtils.accountsAreSetup(this)) {
 174             /// no account available: FORCE ACCOUNT CREATION
 175             mStorageManager = null;
 176             createFirstAccount();
 177
 178         } else {    /// at least an account is available
 179
 180             initDataFromCurrentAccount();   // it checks mCurrentDir and mCurrentFile with the current account
 181
 182         }
 183
 184         mUploadConnection = new ListServiceConnection();
 185         mDownloadConnection = new ListServiceConnection();
 186         bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 187         bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 188
 189         // PIN CODE request ;  best location is to decide, let's try this first
 190         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 191             requestPinCode();
 192         }
 193
 194         // file observer
 195         Intent observer_intent = new Intent(this, FileObserverService.class);
 196         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 197         startService(observer_intent);
 198
 199
 200         /// USER INTERFACE
 201         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 202
 203         // Drop-down navigation
 204         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 205         OCFile currFile = mCurrentDir;
 206         while(mStorageManager != null && currFile != null && currFile.getFileName() != OCFile.PATH_SEPARATOR) {
 207             mDirectories.add(currFile.getFileName());
 208             currFile = mStorageManager.getFileById(currFile.getParentId());
 209         }
 210         mDirectories.add(OCFile.PATH_SEPARATOR);
 211
 212         // Inflate and set the layout view
 213         setContentView(R.layout.files);
 214         mFileList = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 215         mDualPane = (findViewById(R.id.file_details_container) != null);
 216         if (mDualPane) {
 217             if (savedInstanceState == null) initFileDetailsInDualPane();
 218         } else {
 219             // quick patchES to fix problem in turn from landscape to portrait, when a file is selected in the right pane
 220             // TODO serious refactorization in activities and fragments providing file browsing and handling
 221             if (mCurrentFile != null) {
 222                 onFileClick(mCurrentFile);
 223                 mCurrentFile = null;
 224             }
 225             Fragment rightPanel = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 226             if (rightPanel != null) {
 227                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 228                 transaction.remove(rightPanel);
 229                 transaction.commit();
 230             }
 231         }
 232
 233         // Action bar setup
 234         ActionBar actionBar = getSupportActionBar();
 235         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the official documentation
 236         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getParentId() != 0);
 237         actionBar.setDisplayShowTitleEnabled(false);
 238         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 239         actionBar.setListNavigationCallbacks(mDirectories, this);
 240         setSupportProgressBarIndeterminateVisibility(false);        // always AFTER setContentView(...) ; to workaround bug in its implementation
 241
 242
 243         // show changelog, if needed
 244         //showChangeLog();
 245         mBackFromCreatingFirstAccount = false;
 246
 247         Log_OC.d(getClass().toString(), "onCreate() end");
 248     }
 249
 250
 251     /**
 252      * Shows a dialog with the change log of the current version after each app update
 253      *
 254      *  TODO make it permanent; by now, only to advice the workaround app for 4.1.x
 255      */
 256     private void showChangeLog() {
 257         if (android.os.Build.VERSION.SDK_INT == android.os.Build.VERSION_CODES.JELLY_BEAN) {
 258             final String KEY_VERSION = "version";
 259             SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 260             int currentVersionNumber = 0;
 261             int savedVersionNumber = sharedPref.getInt(KEY_VERSION, 0);
 262             try {
 263                 PackageInfo pi          = getPackageManager().getPackageInfo(getPackageName(), 0);
 264                 currentVersionNumber    = pi.versionCode;
 265             } catch (Exception e) {}
 266
 267             if (currentVersionNumber > savedVersionNumber) {
 268                 ChangelogDialog.newInstance(true).show(getSupportFragmentManager(), DIALOG_CHANGELOG_TAG);
 269                 Editor editor   = sharedPref.edit();
 270                 editor.putInt(KEY_VERSION, currentVersionNumber);
 271                 editor.commit();
 272             }
 273         }
 274     }
 275
 276
 277     /**
 278      * Launches the account creation activity. To use when no ownCloud account is available
 279      */
 280     private void createFirstAccount() {
 281         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 282         intent.putExtra(android.provider.Settings.EXTRA_AUTHORITIES, new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 283         startActivity(intent);  // the new activity won't be created until this.onStart() and this.onResume() are finished;
 284     }
 285
 286
 287     /**
 288      *  Load of state dependent of the existence of an ownCloud account
 289      */
 290     private void initDataFromCurrentAccount() {
 291         /// Storage manager initialization - access to local database
 292         mStorageManager = new FileDataStorageManager(
 293                 AccountUtils.getCurrentOwnCloudAccount(this),
 294                 getContentResolver());
 295
 296         /// Check if mCurrentDir is a directory
 297         if(mCurrentDir != null && !mCurrentDir.isDirectory()) {
 298             mCurrentFile = mCurrentDir;
 299             mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 300         }
 301
 302         /// Check if mCurrentDir and mCurrentFile are in the current account, and update them
 303         if (mCurrentDir != null) {
 304             mCurrentDir = mStorageManager.getFileByPath(mCurrentDir.getRemotePath());   // mCurrentDir == null if it is not in the current account
 305         }
 306         if (mCurrentFile != null) {
 307             if (mCurrentFile.fileExists()) {
 308                 mCurrentFile = mStorageManager.getFileByPath(mCurrentFile.getRemotePath());   // mCurrentFile == null if it is not in the current account
 309             }   // else : keep mCurrentFile with the received value; this is currently the case of an upload in progress, when the user presses the status notification in a landscape tablet
 310         }
 311
 312         /// Default to root if mCurrentDir was not found
 313         if (mCurrentDir == null) {
 314             mCurrentDir = mStorageManager.getFileByPath("/"); // will be NULL if the database was never synchronized
 315         }
 316     }
 317
 318
 319     private void initFileDetailsInDualPane() {
 320         if (mDualPane && getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG) == null) {
 321             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 322             if (mCurrentFile != null) {
 323                 if (PreviewMediaFragment.canBePreviewed(mCurrentFile)) {
 324                     if (mCurrentFile.isDown()) {
 325                         transaction.replace(R.id.file_details_container, new PreviewMediaFragment(mCurrentFile, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 326                     } else {
 327                         transaction.replace(R.id.file_details_container, new FileDetailFragment(mCurrentFile, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 328                         mWaitingToPreview = mCurrentFile;
 329                     }
 330                 } else {
 331                     transaction.replace(R.id.file_details_container, new FileDetailFragment(mCurrentFile, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 332                 }
 333                 mCurrentFile = null;
 334
 335             } else {
 336                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG); // empty FileDetailFragment
 337             }
 338             transaction.commit();
 339         }
 340     }
 341
 342
 343     @Override
 344     public void onDestroy() {
 345         super.onDestroy();
 346         if (mDownloadConnection != null)
 347             unbindService(mDownloadConnection);
 348         if (mUploadConnection != null)
 349             unbindService(mUploadConnection);
 350     }
 351
 352
 353     @Override
 354     public boolean onCreateOptionsMenu(Menu menu) {
 355         MenuInflater inflater = getSherlock().getMenuInflater();
 356             inflater.inflate(R.menu.main_menu, menu);
 357
 358             return true;
 359     }
 360
 361     @Override
 362     public boolean onOptionsItemSelected(MenuItem item) {
 363         boolean retval = true;
 364         switch (item.getItemId()) {
 365             case R.id.action_create_dir: {
 366                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.uploader_info_dirname), "", this);
 367                 dialog.show(getSupportFragmentManager(), "createdirdialog");
 368                 break;
 369             }
 370             case R.id.action_sync_account: {
 371                 startSynchronization();
 372                 break;
 373             }
 374             case R.id.action_upload: {
 375                 showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 376                 break;
 377             }
 378             case R.id.action_settings: {
 379                 Intent settingsIntent = new Intent(this, Preferences.class);
 380                 startActivity(settingsIntent);
 381                 break;
 382             }
 383             case android.R.id.home: {
 384                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 385                     onBackPressed();
 386                 }
 387                 break;
 388             }
 389             default:
 390                 retval = super.onOptionsItemSelected(item);
 391         }
 392         return retval;
 393     }
 394
 395     private void startSynchronization() {
 396         ContentResolver.cancelSync(null, AccountAuthenticator.AUTH_TOKEN_TYPE);   // cancel the current synchronizations of any ownCloud account
 397         Bundle bundle = new Bundle();
 398         bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 399         ContentResolver.requestSync(
 400                 AccountUtils.getCurrentOwnCloudAccount(this),
 401                 AccountAuthenticator.AUTH_TOKEN_TYPE, bundle);
 402     }
 403
 404
 405     @Override
 406     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 407         int i = itemPosition;
 408         while (i-- != 0) {
 409             onBackPressed();
 410         }
 411         // the next operation triggers a new call to this method, but it's necessary to
 412         // ensure that the name exposed in the action bar is the current directory when the
 413         // user selected it in the navigation list
 414         if (itemPosition != 0)
 415             getSupportActionBar().setSelectedNavigationItem(0);
 416         return true;
 417     }
 418
 419     /**
 420      * Called, when the user selected something for uploading
 421      */
 422     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 423
 424         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 425             requestSimpleUpload(data, resultCode);
 426
 427         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 428             requestMultipleUpload(data, resultCode);
 429
 430         }
 431     }
 432
 433     private void requestMultipleUpload(Intent data, int resultCode) {
 434         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 435         if (filePaths != null) {
 436             String[] remotePaths = new String[filePaths.length];
 437             String remotePathBase = "";
 438             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 439                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 440             }
 441             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 442                 remotePathBase += OCFile.PATH_SEPARATOR;
 443             for (int j = 0; j< remotePaths.length; j++) {
 444                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 445             }
 446
 447             Intent i = new Intent(this, FileUploader.class);
 448             i.putExtra(FileUploader.KEY_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 449             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 450             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 451             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 452             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 453                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 454             startService(i);
 455
 456         } else {
 457             Log_OC.d("FileDisplay", "User clicked on 'Update' with no selection");
 458             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 459             t.show();
 460             return;
 461         }
 462     }
 463
 464
 465     private void requestSimpleUpload(Intent data, int resultCode) {
 466         String filepath = null;
 467         try {
 468             Uri selectedImageUri = data.getData();
 469
 470             String filemanagerstring = selectedImageUri.getPath();
 471             String selectedImagePath = getPath(selectedImageUri);
 472
 473             if (selectedImagePath != null)
 474                 filepath = selectedImagePath;
 475             else
 476                 filepath = filemanagerstring;
 477
 478         } catch (Exception e) {
 479             Log_OC.e("FileDisplay", "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 480             e.printStackTrace();
 481
 482         } finally {
 483             if (filepath == null) {
 484                 Log_OC.e("FileDisplay", "Couldnt resolve path to file");
 485                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 486                 t.show();
 487                 return;
 488             }
 489         }
 490
 491         Intent i = new Intent(this, FileUploader.class);
 492         i.putExtra(FileUploader.KEY_ACCOUNT,
 493                 AccountUtils.getCurrentOwnCloudAccount(this));
 494         String remotepath = new String();
 495         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 496             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 497         }
 498         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 499             remotepath += OCFile.PATH_SEPARATOR;
 500         remotepath += new File(filepath).getName();
 501
 502         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 503         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 504         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 505         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 506             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 507         startService(i);
 508     }
 509
 510
 511     @Override
 512     public void onBackPressed() {
 513         if (mDirectories.getCount() <= 1) {
 514             finish();
 515             return;
 516         }
 517         popDirname();
 518         mFileList.onNavigateUp();
 519         mCurrentDir = mFileList.getCurrentFile();
 520
 521         if (mDualPane) {
 522             // Resets the FileDetailsFragment on Tablets so that it always displays
 523             Fragment fileFragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 524             if (fileFragment != null && (fileFragment instanceof PreviewMediaFragment || !((FileDetailFragment) fileFragment).isEmpty())) {
 525                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 526                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG); // empty FileDetailFragment
 527                 transaction.commit();
 528             }
 529         }
 530
 531         if(mCurrentDir.getParentId() == 0){
 532             ActionBar actionBar = getSupportActionBar();
 533             actionBar.setDisplayHomeAsUpEnabled(false);
 534         }
 535     }
 536
 537     @Override
 538     protected void onSaveInstanceState(Bundle outState) {
 539         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 540         Log_OC.d(getClass().toString(), "onSaveInstanceState() start");
 541         super.onSaveInstanceState(outState);
 542         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 543         if (mDualPane) {
 544             FileFragment fragment = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 545             if (fragment != null) {
 546                 OCFile file = fragment.getFile();
 547                 if (file != null) {
 548                     outState.putParcelable(FileDetailFragment.EXTRA_FILE, file);
 549                 }
 550             }
 551         }
 552         outState.putParcelable(FileDetailActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 553         Log_OC.d(getClass().toString(), "onSaveInstanceState() end");
 554     }
 555
 556
 557     @Override
 558     protected void onResume() {
 559         Log_OC.d(getClass().toString(), "onResume() start");
 560         super.onResume();
 561
 562         if (AccountUtils.accountsAreSetup(this)) {
 563
 564             if (mStorageManager == null) {
 565                 // this is necessary for handling the come back to FileDisplayActivity when the first ownCloud account is created
 566                 initDataFromCurrentAccount();
 567                 if (mDualPane) {
 568                     initFileDetailsInDualPane();
 569                 }
 570                 mBackFromCreatingFirstAccount = true;
 571             }
 572
 573             // Listen for sync messages
 574             IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 575             mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 576             registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 577
 578             // Listen for upload messages
 579             IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 580             mUploadFinishReceiver = new UploadFinishReceiver();
 581             registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 582
 583             // Listen for download messages
 584             IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_ADDED_MESSAGE);
 585             downloadIntentFilter.addAction(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 586             mDownloadFinishReceiver = new DownloadFinishReceiver();
 587             registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 588
 589             // List current directory
 590             mFileList.listDirectory(mCurrentDir);   // TODO we should find the way to avoid the need of this (maybe it's not necessary yet; to check)
 591
 592         } else {
 593
 594             mStorageManager = null;     // an invalid object will be there if all the ownCloud accounts are removed
 595             showDialog(DIALOG_SETUP_ACCOUNT);
 596
 597         }
 598         Log_OC.d(getClass().toString(), "onResume() end");
 599     }
 600
 601
 602     @Override
 603     protected void onPause() {
 604         Log_OC.d(getClass().toString(), "onPause() start");
 605         super.onPause();
 606         if (mSyncBroadcastReceiver != null) {
 607             unregisterReceiver(mSyncBroadcastReceiver);
 608             mSyncBroadcastReceiver = null;
 609         }
 610         if (mUploadFinishReceiver != null) {
 611             unregisterReceiver(mUploadFinishReceiver);
 612             mUploadFinishReceiver = null;
 613         }
 614         if (mDownloadFinishReceiver != null) {
 615             unregisterReceiver(mDownloadFinishReceiver);
 616             mDownloadFinishReceiver = null;
 617         }
 618         if (!AccountUtils.accountsAreSetup(this)) {
 619             dismissDialog(DIALOG_SETUP_ACCOUNT);
 620         }
 621
 622         Log_OC.d(getClass().toString(), "onPause() end");
 623     }
 624
 625
 626     @Override
 627     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 628         if (id == DIALOG_SSL_VALIDATOR && mLastSslUntrustedServerResult != null) {
 629             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 630         }
 631     }
 632
 633
 634     @Override
 635     protected Dialog onCreateDialog(int id) {
 636         Dialog dialog = null;
 637         AlertDialog.Builder builder;
 638         switch (id) {
 639         case DIALOG_SETUP_ACCOUNT: {
 640             builder = new AlertDialog.Builder(this);
 641             builder.setTitle(R.string.main_tit_accsetup);
 642             builder.setMessage(R.string.main_wrn_accsetup);
 643             builder.setCancelable(false);
 644             builder.setPositiveButton(android.R.string.ok, new OnClickListener() {
 645                 public void onClick(DialogInterface dialog, int which) {
 646                     createFirstAccount();
 647                     dialog.dismiss();
 648                 }
 649             });
 650             String message = String.format(getString(R.string.common_exit), getString(R.string.app_name));
 651             builder.setNegativeButton(message, new OnClickListener() {
 652                 public void onClick(DialogInterface dialog, int which) {
 653                     dialog.dismiss();
 654                     finish();
 655                 }
 656             });
 657             //builder.setNegativeButton(android.R.string.cancel, this);
 658             dialog = builder.create();
 659             break;
 660         }
 661         case DIALOG_CREATE_DIR: {
 662             builder = new Builder(this);
 663             final EditText dirNameInput = new EditText(getBaseContext());
 664             builder.setView(dirNameInput);
 665             builder.setTitle(R.string.uploader_info_dirname);
 666             int typed_color = getResources().getColor(R.color.setup_text_typed);
 667             dirNameInput.setTextColor(typed_color);
 668             builder.setPositiveButton(android.R.string.ok,
 669                     new OnClickListener() {
 670                         public void onClick(DialogInterface dialog, int which) {
 671                             String directoryName = dirNameInput.getText().toString();
 672                             if (directoryName.trim().length() == 0) {
 673                                 dialog.cancel();
 674                                 return;
 675                             }
 676
 677                             // Figure out the path where the dir needs to be created
 678                             String path;
 679                             if (mCurrentDir == null) {
 680                                 // this is just a patch; we should ensure that mCurrentDir never is null
 681                                 if (!mStorageManager.fileExists(OCFile.PATH_SEPARATOR)) {
 682                                     OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
 683                                     mStorageManager.saveFile(file);
 684                                 }
 685                                 mCurrentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
 686                             }
 687                             path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 688
 689                             // Create directory
 690                             path += directoryName + OCFile.PATH_SEPARATOR;
 691                             Thread thread = new Thread(new DirectoryCreator(path,  AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this), new Handler()));
 692                             thread.start();
 693
 694                             dialog.dismiss();
 695
 696                             showDialog(DIALOG_SHORT_WAIT);
 697                         }
 698                     });
 699             builder.setNegativeButton(R.string.common_cancel,
 700                     new OnClickListener() {
 701                         public void onClick(DialogInterface dialog, int which) {
 702                             dialog.cancel();
 703                         }
 704                     });
 705             dialog = builder.create();
 706             break;
 707         }
 708         case DIALOG_SHORT_WAIT: {
 709             ProgressDialog working_dialog = new ProgressDialog(this);
 710             working_dialog.setMessage(getResources().getString(
 711                     R.string.wait_a_moment));
 712             working_dialog.setIndeterminate(true);
 713             working_dialog.setCancelable(false);
 714             dialog = working_dialog;
 715             break;
 716         }
 717         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 718
 719             String[] items = null;
 720
 721             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 722                                      getString(R.string.actionbar_upload_from_apps),
 723                                      getString(R.string.actionbar_failed_instant_upload) };
 724
 725             String[] commonItems = { getString(R.string.actionbar_upload_files),
 726                                      getString(R.string.actionbar_upload_from_apps) };
 727
 728             if (InstantUploadActivity.IS_ENABLED)
 729                 items = allTheItems;
 730             else
 731                 items = commonItems;
 732
 733             builder = new AlertDialog.Builder(this);
 734             builder.setTitle(R.string.actionbar_upload);
 735             builder.setItems(items, new DialogInterface.OnClickListener() {
 736                 public void onClick(DialogInterface dialog, int item) {
 737                     if (item == 0) {
 738                         // if (!mDualPane) {
 739                         Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 740                         action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT,
 741                                 AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this));
 742                         startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 743                         // } else {
 744                         // TODO create and handle new fragment
 745                         // LocalFileListFragment
 746                         // }
 747                     } else if (item == 1) {
 748                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 749                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 750                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 751                                 ACTION_SELECT_CONTENT_FROM_APPS);
 752                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 753                         Account account = AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this);
 754                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 755                         action.putExtra(FileUploader.KEY_ACCOUNT, account);
 756                         startActivity(action);
 757                     }
 758                 }
 759             });
 760             dialog = builder.create();
 761             break;
 762         }
 763         case DIALOG_SSL_VALIDATOR: {
 764             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 765             break;
 766         }
 767         case DIALOG_CERT_NOT_SAVED: {
 768             builder = new AlertDialog.Builder(this);
 769             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 770             builder.setCancelable(false);
 771             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 772                     @Override
 773                     public void onClick(DialogInterface dialog, int which) {
 774                         dialog.dismiss();
 775                     };
 776                 });
 777             dialog = builder.create();
 778             break;
 779         }
 780         default:
 781             dialog = null;
 782         }
 783
 784         return dialog;
 785     }
 786
 787
 788     /**
 789      * Translates a content URI of an image to a physical path
 790      * on the disk
 791      * @param uri The URI to resolve
 792      * @return The path to the image or null if it could not be found
 793      */
 794     public String getPath(Uri uri) {
 795         String[] projection = { MediaStore.Images.Media.DATA };
 796         Cursor cursor = managedQuery(uri, projection, null, null, null);
 797         if (cursor != null) {
 798             int column_index = cursor
 799                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 800             cursor.moveToFirst();
 801             return cursor.getString(column_index);
 802         }
 803         return null;
 804     }
 805
 806     /**
 807      * Pushes a directory to the drop down list
 808      * @param directory to push
 809      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 810      */
 811     public void pushDirname(OCFile directory) {
 812         if(!directory.isDirectory()){
 813             throw new IllegalArgumentException("Only directories may be pushed!");
 814         }
 815         mDirectories.insert(directory.getFileName(), 0);
 816         mCurrentDir = directory;
 817     }
 818
 819     /**
 820      * Pops a directory name from the drop down list
 821      * @return True, unless the stack is empty
 822      */
 823     public boolean popDirname() {
 824         mDirectories.remove(mDirectories.getItem(0));
 825         return !mDirectories.isEmpty();
 826     }
 827
 828     private class DirectoryCreator implements Runnable {
 829         private String mTargetPath;
 830         private Account mAccount;
 831         private Handler mHandler;
 832
 833         public DirectoryCreator(String targetPath, Account account, Handler handler) {
 834             mTargetPath = targetPath;
 835             mAccount = account;
 836             mHandler = handler;
 837         }
 838
 839         @Override
 840         public void run() {
 841             WebdavClient wdc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getApplicationContext());
 842             boolean created = wdc.createDirectory(mTargetPath);
 843             if (created) {
 844                 mHandler.post(new Runnable() {
 845                     @Override
 846                     public void run() {
 847                         dismissDialog(DIALOG_SHORT_WAIT);
 848
 849                         // Save new directory in local database
 850                         OCFile newDir = new OCFile(mTargetPath);
 851                         newDir.setMimetype("DIR");
 852                         newDir.setParentId(mCurrentDir.getFileId());
 853                         mStorageManager.saveFile(newDir);
 854
 855                         // Display the new folder right away
 856                         mFileList.listDirectory();
 857                     }
 858                 });
 859
 860             } else {
 861                 mHandler.post(new Runnable() {
 862                     @Override
 863                     public void run() {
 864                         dismissDialog(DIALOG_SHORT_WAIT);
 865                         try {
 866                             Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
 867                             msg.show();
 868
 869                         } catch (NotFoundException e) {
 870                             Log_OC.e(TAG, "Error while trying to show fail message ", e);
 871                         }
 872                     }
 873                 });
 874             }
 875         }
 876
 877     }
 878
 879     // Custom array adapter to override text colors
 880     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 881
 882         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 883             super(ctx, view);
 884         }
 885
 886         public View getView(int position, View convertView, ViewGroup parent) {
 887             View v = super.getView(position, convertView, parent);
 888
 889             ((TextView) v).setTextColor(getResources().getColorStateList(
 890                     android.R.color.white));
 891             return v;
 892         }
 893
 894         public View getDropDownView(int position, View convertView,
 895                 ViewGroup parent) {
 896             View v = super.getDropDownView(position, convertView, parent);
 897
 898             ((TextView) v).setTextColor(getResources().getColorStateList(
 899                     android.R.color.white));
 900
 901             return v;
 902         }
 903
 904     }
 905
 906     private class SyncBroadcastReceiver extends BroadcastReceiver {
 907
 908         /**
 909          * {@link BroadcastReceiver} to enable syncing feedback in UI
 910          */
 911         @Override
 912         public void onReceive(Context context, Intent intent) {
 913             boolean inProgress = intent.getBooleanExtra(FileSyncService.IN_PROGRESS, false);
 914             String accountName = intent.getStringExtra(FileSyncService.ACCOUNT_NAME);
 915
 916             Log_OC.d("FileDisplay", "sync of account " + accountName + " is in_progress: " + inProgress);
 917
 918             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name)) {
 919
 920                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH);
 921
 922                 boolean fillBlankRoot = false;
 923                 if (mCurrentDir == null) {
 924                     mCurrentDir = mStorageManager.getFileByPath("/");
 925                     fillBlankRoot = (mCurrentDir != null);
 926                 }
 927
 928                 if ((synchFolderRemotePath != null && mCurrentDir != null && (mCurrentDir.getRemotePath().equals(synchFolderRemotePath)))
 929                         || fillBlankRoot ) {
 930                     if (!fillBlankRoot)
 931                         mCurrentDir = getStorageManager().getFileByPath(synchFolderRemotePath);
 932                     OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager()
 933                             .findFragmentById(R.id.fileList);
 934                     if (fileListFragment != null) {
 935                         fileListFragment.listDirectory(mCurrentDir);
 936                     }
 937                 }
 938
 939                 setSupportProgressBarIndeterminateVisibility(inProgress);
 940                 if (mBackFromCreatingFirstAccount) {
 941                     // awful patch to fix problem with visibility of progress circle with the first refresh of the first account
 942                     // TODO - kill this Activity when the first account has to be created instead of stack the account creation on it
 943                     getSupportActionBar().hide();
 944                     getSupportActionBar().show();
 945                     mBackFromCreatingFirstAccount = false;
 946                 }
 947                 removeStickyBroadcast(intent);
 948
 949             }
 950
 951             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncService.SYNC_RESULT);
 952             if (synchResult != null) {
 953                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 954                     mLastSslUntrustedServerResult = synchResult;
 955                     showDialog(DIALOG_SSL_VALIDATOR);
 956                 }
 957             }
 958         }
 959     }
 960
 961
 962     private class UploadFinishReceiver extends BroadcastReceiver {
 963         /**
 964          * Once the file upload has finished -> update view
 965          *  @author David A. Velasco
 966          * {@link BroadcastReceiver} to enable upload feedback in UI
 967          */
 968         @Override
 969         public void onReceive(Context context, Intent intent) {
 970             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 971             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 972             boolean sameAccount = accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name);
 973             boolean isDescendant = (mCurrentDir != null) && (uploadedRemotePath != null) && (uploadedRemotePath.startsWith(mCurrentDir.getRemotePath()));
 974             if (sameAccount && isDescendant) {
 975                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 976                 if (fileListFragment != null) {
 977                     fileListFragment.listDirectory();
 978                 }
 979             }
 980         }
 981
 982     }
 983
 984
 985     /**
 986      * Class waiting for broadcast events from the {@link FielDownloader} service.
 987      *
 988      * Updates the UI when a download is started or finished, provided that it is relevant for the
 989      * current folder.
 990      */
 991     private class DownloadFinishReceiver extends BroadcastReceiver {
 992         @Override
 993         public void onReceive(Context context, Intent intent) {
 994             boolean sameAccount = isSameAccount(context, intent);
 995             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 996             boolean isDescendant = isDescendant(downloadedRemotePath);
 997
 998             if (sameAccount && isDescendant) {
 999                 updateLeftPanel();
1000                 if (mDualPane) {
1001                     updateRightPanel(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1002                 }
1003             }
1004
1005             removeStickyBroadcast(intent);
1006         }
1007
1008         private boolean isDescendant(String downloadedRemotePath) {
1009             return (mCurrentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(mCurrentDir.getRemotePath()));
1010         }
1011
1012         private boolean isSameAccount(Context context, Intent intent) {
1013             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1014             return (accountName != null && accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name));
1015         }
1016     }
1017
1018
1019     protected void updateLeftPanel() {
1020         OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
1021         if (fileListFragment != null) {
1022             fileListFragment.listDirectory();
1023         }
1024     }
1025
1026     protected void updateRightPanel(String downloadEvent, String downloadedRemotePath, boolean success) {
1027         Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1028         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
1029         if (fragment != null && fragment instanceof FileDetailFragment) {
1030             FileDetailFragment detailsFragment = (FileDetailFragment) fragment;
1031             OCFile fileInFragment = detailsFragment.getFile();
1032             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
1033                 // the user browsed to other file ; forget the automatic preview
1034                 mWaitingToPreview = null;
1035
1036             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_ADDED_MESSAGE)) {
1037                 // grant that the right panel updates the progress bar
1038                 detailsFragment.listenForTransferProgress();
1039                 detailsFragment.updateFileDetails(true, false);
1040
1041             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_FINISH_MESSAGE)) {
1042                 //  update the right panel
1043                 if (success && waitedPreview) {
1044                     mWaitingToPreview = mStorageManager.getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
1045                     FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1046                     transaction.replace(R.id.file_details_container, new PreviewMediaFragment(mWaitingToPreview, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1047                     transaction.commit();
1048                     mWaitingToPreview = null;
1049
1050                 } else {
1051                     detailsFragment.updateFileDetails(false, (success));
1052                 }
1053             }
1054         }
1055     }
1056
1057
1058     /**
1059      * {@inheritDoc}
1060      */
1061     @Override
1062     public DataStorageManager getStorageManager() {
1063         return mStorageManager;
1064     }
1065
1066
1067     /**
1068      * {@inheritDoc}
1069      */
1070     @Override
1071     public void onDirectoryClick(OCFile directory) {
1072         pushDirname(directory);
1073         ActionBar actionBar = getSupportActionBar();
1074         actionBar.setDisplayHomeAsUpEnabled(true);
1075
1076         if (mDualPane) {
1077             // Resets the FileDetailsFragment on Tablets so that it always displays
1078             Fragment fileFragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1079             if (fileFragment != null && (fileFragment instanceof PreviewMediaFragment || !((FileDetailFragment) fileFragment).isEmpty())) {
1080                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1081                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG); // empty FileDetailFragment
1082                 transaction.commit();
1083             }
1084         }
1085     }
1086
1087
1088     /**
1089      * {@inheritDoc}
1090      */
1091     @Override
1092     public void onFileClick(OCFile file) {
1093         if (file != null && PreviewImageFragment.canBePreviewed(file)) {
1094             // preview image - it handles the download, if needed
1095             startPreviewImage(file);
1096
1097         } else if (file != null && PreviewMediaFragment.canBePreviewed(file)) {
1098             if (file.isDown()) {
1099                 // general preview
1100                 startMediaPreview(file);
1101
1102             } else {
1103                 // automatic download, preview on finish
1104                 startDownloadForPreview(file);
1105
1106             }
1107         } else {
1108             // details view
1109             startDetails(file);
1110         }
1111     }
1112
1113     private void startPreviewImage(OCFile file) {
1114         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1115         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
1116         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1117         startActivity(showDetailsIntent);
1118     }
1119
1120     private void startMediaPreview(OCFile file) {
1121         if (mDualPane) {
1122             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1123             transaction.replace(R.id.file_details_container, new PreviewMediaFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1124             transaction.commit();
1125
1126         } else {
1127             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
1128             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
1129             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1130             startActivity(showDetailsIntent);
1131         }
1132     }
1133
1134     private void startDownloadForPreview(OCFile file) {
1135         if (mDualPane) {
1136             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1137             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1138             transaction.commit();
1139             mWaitingToPreview = file;
1140             requestForDownload();
1141
1142         } else {
1143             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
1144             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
1145             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1146             startActivity(showDetailsIntent);
1147         }
1148     }
1149
1150
1151     private void startDetails(OCFile file) {
1152         if (mDualPane && !file.isImage()) {
1153             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1154             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1155             transaction.commit();
1156         } else {
1157             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
1158             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
1159             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1160             startActivity(showDetailsIntent);
1161         }
1162     }
1163
1164
1165     /**
1166      * {@inheritDoc}
1167      */
1168     @Override
1169     public OCFile getInitialDirectory() {
1170         return mCurrentDir;
1171     }
1172
1173
1174     /**
1175      * {@inheritDoc}
1176      */
1177     @Override
1178     public void onFileStateChanged() {
1179         OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
1180         if (fileListFragment != null) {
1181             fileListFragment.listDirectory();
1182         }
1183     }
1184
1185
1186     /**
1187      * {@inheritDoc}
1188      */
1189     @Override
1190     public FileDownloaderBinder getFileDownloaderBinder() {
1191         return mDownloaderBinder;
1192     }
1193
1194
1195     /**
1196      * {@inheritDoc}
1197      */
1198     @Override
1199     public FileUploaderBinder getFileUploaderBinder() {
1200         return mUploaderBinder;
1201     }
1202
1203
1204     /** Defines callbacks for service binding, passed to bindService() */
1205     private class ListServiceConnection implements ServiceConnection {
1206
1207         @Override
1208         public void onServiceConnected(ComponentName component, IBinder service) {
1209             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1210                 Log_OC.d(TAG, "Download service connected");
1211                 mDownloaderBinder = (FileDownloaderBinder) service;
1212                 if (mWaitingToPreview != null) {
1213                     requestForDownload();
1214                 }
1215
1216             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1217                 Log_OC.d(TAG, "Upload service connected");
1218                 mUploaderBinder = (FileUploaderBinder) service;
1219             } else {
1220                 return;
1221             }
1222             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1223             if (mFileList != null)
1224                 mFileList.listDirectory();
1225             if (mDualPane) {
1226                 Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1227                 if (fragment != null && fragment instanceof FileDetailFragment) {
1228                     FileDetailFragment detailFragment = (FileDetailFragment)fragment;
1229                     detailFragment.listenForTransferProgress();
1230                     detailFragment.updateFileDetails(false, false);
1231                 }
1232             }
1233         }
1234
1235         @Override
1236         public void onServiceDisconnected(ComponentName component) {
1237             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1238                 Log_OC.d(TAG, "Download service disconnected");
1239                 mDownloaderBinder = null;
1240             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1241                 Log_OC.d(TAG, "Upload service disconnected");
1242                 mUploaderBinder = null;
1243             }
1244         }
1245     };
1246
1247
1248
1249     /**
1250      * Launch an intent to request the PIN code to the user before letting him use the app
1251      */
1252     private void requestPinCode() {
1253         boolean pinStart = false;
1254         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1255         pinStart = appPrefs.getBoolean("set_pincode", false);
1256         if (pinStart) {
1257             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1258             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1259             startActivity(i);
1260         }
1261     }
1262
1263
1264     @Override
1265     public void onSavedCertificate() {
1266         startSynchronization();
1267     }
1268
1269
1270     @Override
1271     public void onFailedSavingCertificate() {
1272         showDialog(DIALOG_CERT_NOT_SAVED);
1273     }
1274
1275
1276     /**
1277      * Updates the view associated to the activity after the finish of some operation over files
1278      * in the current account.
1279      *
1280      * @param operation     Removal operation performed.
1281      * @param result        Result of the removal.
1282      */
1283     @Override
1284     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1285         if (operation instanceof RemoveFileOperation) {
1286             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1287
1288         } else if (operation instanceof RenameFileOperation) {
1289             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1290
1291         } else if (operation instanceof SynchronizeFileOperation) {
1292             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1293         }
1294     }
1295
1296
1297     /**
1298      * Updates the view associated to the activity after the finish of an operation trying to remove a
1299      * file.
1300      *
1301      * @param operation     Removal operation performed.
1302      * @param result        Result of the removal.
1303      */
1304     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1305         dismissDialog(DIALOG_SHORT_WAIT);
1306         if (result.isSuccess()) {
1307             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1308             msg.show();
1309             OCFile removedFile = operation.getFile();
1310             if (mDualPane) {
1311                 FileFragment details = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1312                 if (details != null && removedFile.equals(details.getFile())) {
1313                     FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1314                     transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
1315                     transaction.commit();
1316                 }
1317             }
1318             if (mStorageManager.getFileById(removedFile.getParentId()).equals(mCurrentDir)) {
1319                 mFileList.listDirectory();
1320             }
1321
1322         } else {
1323             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1324             msg.show();
1325             if (result.isSslRecoverableException()) {
1326                 mLastSslUntrustedServerResult = result;
1327                 showDialog(DIALOG_SSL_VALIDATOR);
1328             }
1329         }
1330     }
1331
1332     /**
1333      * Updates the view associated to the activity after the finish of an operation trying to rename a
1334      * file.
1335      *
1336      * @param operation     Renaming operation performed.
1337      * @param result        Result of the renaming.
1338      */
1339     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1340         dismissDialog(DIALOG_SHORT_WAIT);
1341         OCFile renamedFile = operation.getFile();
1342         if (result.isSuccess()) {
1343             if (mDualPane) {
1344                 FileFragment details = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1345                 if (details != null && details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1346                     ((FileDetailFragment) details).updateFileDetails(renamedFile, AccountUtils.getCurrentOwnCloudAccount(this));
1347                 }
1348             }
1349             if (mStorageManager.getFileById(renamedFile.getParentId()).equals(mCurrentDir)) {
1350                 mFileList.listDirectory();
1351             }
1352
1353         } else {
1354             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1355                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1356                 msg.show();
1357                 // TODO throw again the new rename dialog
1358             } else {
1359                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1360                 msg.show();
1361                 if (result.isSslRecoverableException()) {
1362                     mLastSslUntrustedServerResult = result;
1363                     showDialog(DIALOG_SSL_VALIDATOR);
1364                 }
1365             }
1366         }
1367     }
1368
1369
1370     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1371         dismissDialog(DIALOG_SHORT_WAIT);
1372         OCFile syncedFile = operation.getLocalFile();
1373         if (!result.isSuccess()) {
1374             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1375                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1376                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1377                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1378                 startActivity(i);
1379
1380             } else {
1381                 Toast msg = Toast.makeText(this, R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1382                 msg.show();
1383             }
1384
1385         } else {
1386             if (operation.transferWasRequested()) {
1387                 mFileList.listDirectory();
1388                 onTransferStateChanged(syncedFile, true, true);
1389
1390             } else {
1391                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1392                 msg.show();
1393             }
1394         }
1395     }
1396
1397
1398     /**
1399      * {@inheritDoc}
1400      */
1401     @Override
1402     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1403         /*OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
1404         if (fileListFragment != null) {
1405             fileListFragment.listDirectory();
1406         }*/
1407         if (mDualPane) {
1408             FileFragment details = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1409             if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1410                 if (downloading || uploading) {
1411                     ((FileDetailFragment)details).updateFileDetails(file, AccountUtils.getCurrentOwnCloudAccount(this));
1412                 } else {
1413                     ((FileDetailFragment)details).updateFileDetails(false, true);
1414                 }
1415             }
1416         }
1417     }
1418
1419
1420     @Override
1421     public void showFragmentWithDetails(OCFile file) {
1422         if (mDualPane) {
1423             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1424             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1425             transaction.commit();
1426
1427         } else {
1428             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
1429             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
1430             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1431             showDetailsIntent.putExtra(FileDetailActivity.EXTRA_MODE, FileDetailActivity.MODE_DETAILS);
1432             startActivity(showDetailsIntent);
1433         }
1434     }
1435
1436     public void onDismiss(EditNameDialog dialog) {
1437         //dialog.dismiss();
1438         if (dialog.getResult()) {
1439             String newDirectoryName = dialog.getNewFilename().trim();
1440             Log.d(TAG, "'create directory' dialog dismissed with new name " + newDirectoryName);
1441             if (newDirectoryName.length() > 0) {
1442                 String path;
1443                 if (mCurrentDir == null) {
1444                     // this is just a patch; we should ensure that mCurrentDir never is null
1445                     if (!mStorageManager.fileExists(OCFile.PATH_SEPARATOR)) {
1446                         OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
1447                         mStorageManager.saveFile(file);
1448                     }
1449                     mCurrentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
1450                 }
1451                 path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
1452
1453                 // Create directory
1454                 path += newDirectoryName + OCFile.PATH_SEPARATOR;
1455                 Thread thread = new Thread(new DirectoryCreator(path,  AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this), new Handler()));
1456                 thread.start();
1457
1458                 showDialog(DIALOG_SHORT_WAIT);
1459             }
1460         }
1461     }
1462
1463     private void requestForDownload() {
1464         Account account = AccountUtils.getCurrentOwnCloudAccount(this);
1465         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1466             Intent i = new Intent(this, FileDownloader.class);
1467             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1468             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1469             startService(i);
1470         }
1471     }
1472
1473
1474 }